1: # The LearningOnline Network with CAPA
2: # a pile of common routines
3: #
4: # $Id: loncommon.pm,v 1.1075.2.28 2013/01/15 18:48:17 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: # Makes a table out of the previous attempts
30: # Inputs result_from_symbread, user, domain, course_id
31: # Reads in non-network-related .tab files
32:
33: # POD header:
34:
35: =pod
36:
37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
45:
46: =head1 OVERVIEW
47:
48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
55: package Apache::loncommon;
56:
57: use strict;
58: use Apache::lonnet;
59: use GDBM_File;
60: use POSIX qw(strftime mktime);
61: use Apache::lonmenu();
62: use Apache::lonenc();
63: use Apache::lonlocal;
64: use Apache::lonnet();
65: use HTML::Entities;
66: use Apache::lonhtmlcommon();
67: use Apache::loncoursedata();
68: use Apache::lontexconvert();
69: use Apache::lonclonecourse();
70: use Apache::lonuserutils();
71: use Apache::lonuserstate();
72: use LONCAPA qw(:DEFAULT :match);
73: use DateTime::TimeZone;
74: use DateTime::Locale::Catalog;
75: use Authen::Captcha;
76: use Captcha::reCAPTCHA;
77:
78: # ---------------------------------------------- Designs
79: use vars qw(%defaultdesign);
80:
81: my $readit;
82:
83:
84: ##
85: ## Global Variables
86: ##
87:
88:
89: # ----------------------------------------------- SSI with retries:
90: #
91:
92: =pod
93:
94: =head1 Server Side include with retries:
95:
96: =over 4
97:
98: =item * &ssi_with_retries(resource,retries form)
99:
100: Performs an ssi with some number of retries. Retries continue either
101: until the result is ok or until the retry count supplied by the
102: caller is exhausted.
103:
104: Inputs:
105:
106: =over 4
107:
108: resource - Identifies the resource to insert.
109:
110: retries - Count of the number of retries allowed.
111:
112: form - Hash that identifies the rendering options.
113:
114: =back
115:
116: Returns:
117:
118: =over 4
119:
120: content - The content of the response. If retries were exhausted this is empty.
121:
122: response - The response from the last attempt (which may or may not have been successful.
123:
124: =back
125:
126: =back
127:
128: =cut
129:
130: sub ssi_with_retries {
131: my ($resource, $retries, %form) = @_;
132:
133:
134: my $ok = 0; # True if we got a good response.
135: my $content;
136: my $response;
137:
138: # Try to get the ssi done. within the retries count:
139:
140: do {
141: ($content, $response) = &Apache::lonnet::ssi($resource, %form);
142: $ok = $response->is_success;
143: if (!$ok) {
144: &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
145: }
146: $retries--;
147: } while (!$ok && ($retries > 0));
148:
149: if (!$ok) {
150: $content = ''; # On error return an empty content.
151: }
152: return ($content, $response);
153:
154: }
155:
156:
157:
158: # ----------------------------------------------- Filetypes/Languages/Copyright
159: my %language;
160: my %supported_language;
161: my %latex_language; # For choosing hyphenation in <transl..>
162: my %latex_language_bykey; # for choosing hyphenation from metadata
163: my %cprtag;
164: my %scprtag;
165: my %fe; my %fd; my %fm;
166: my %category_extensions;
167:
168: # ---------------------------------------------- Thesaurus variables
169: #
170: # %Keywords:
171: # A hash used by &keyword to determine if a word is considered a keyword.
172: # $thesaurus_db_file
173: # Scalar containing the full path to the thesaurus database.
174:
175: my %Keywords;
176: my $thesaurus_db_file;
177:
178: #
179: # Initialize values from language.tab, copyright.tab, filetypes.tab,
180: # thesaurus.tab, and filecategories.tab.
181: #
182: BEGIN {
183: # Variable initialization
184: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
185: #
186: unless ($readit) {
187: # ------------------------------------------------------------------- languages
188: {
189: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
190: '/language.tab';
191: if ( open(my $fh,"<$langtabfile") ) {
192: while (my $line = <$fh>) {
193: next if ($line=~/^\#/);
194: chomp($line);
195: my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
196: $language{$key}=$val.' - '.$enc;
197: if ($sup) {
198: $supported_language{$key}=$sup;
199: }
200: if ($latex) {
201: $latex_language_bykey{$key} = $latex;
202: $latex_language{$two} = $latex;
203: }
204: }
205: close($fh);
206: }
207: }
208: # ------------------------------------------------------------------ copyrights
209: {
210: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
211: '/copyright.tab';
212: if ( open (my $fh,"<$copyrightfile") ) {
213: while (my $line = <$fh>) {
214: next if ($line=~/^\#/);
215: chomp($line);
216: my ($key,$val)=(split(/\s+/,$line,2));
217: $cprtag{$key}=$val;
218: }
219: close($fh);
220: }
221: }
222: # ----------------------------------------------------------- source copyrights
223: {
224: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
225: '/source_copyright.tab';
226: if ( open (my $fh,"<$sourcecopyrightfile") ) {
227: while (my $line = <$fh>) {
228: next if ($line =~ /^\#/);
229: chomp($line);
230: my ($key,$val)=(split(/\s+/,$line,2));
231: $scprtag{$key}=$val;
232: }
233: close($fh);
234: }
235: }
236:
237: # -------------------------------------------------------------- default domain designs
238: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
239: my $designfile = $designdir.'/default.tab';
240: if ( open (my $fh,"<$designfile") ) {
241: while (my $line = <$fh>) {
242: next if ($line =~ /^\#/);
243: chomp($line);
244: my ($key,$val)=(split(/\=/,$line));
245: if ($val) { $defaultdesign{$key}=$val; }
246: }
247: close($fh);
248: }
249:
250: # ------------------------------------------------------------- file categories
251: {
252: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
253: '/filecategories.tab';
254: if ( open (my $fh,"<$categoryfile") ) {
255: while (my $line = <$fh>) {
256: next if ($line =~ /^\#/);
257: chomp($line);
258: my ($extension,$category)=(split(/\s+/,$line,2));
259: push @{$category_extensions{lc($category)}},$extension;
260: }
261: close($fh);
262: }
263:
264: }
265: # ------------------------------------------------------------------ file types
266: {
267: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
268: '/filetypes.tab';
269: if ( open (my $fh,"<$typesfile") ) {
270: while (my $line = <$fh>) {
271: next if ($line =~ /^\#/);
272: chomp($line);
273: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
274: if ($descr ne '') {
275: $fe{$ending}=lc($emb);
276: $fd{$ending}=$descr;
277: if ($mime ne 'unk') { $fm{$ending}=$mime; }
278: }
279: }
280: close($fh);
281: }
282: }
283: &Apache::lonnet::logthis(
284: "<span style='color:yellow;'>INFO: Read file types</span>");
285: $readit=1;
286: } # end of unless($readit)
287:
288: }
289:
290: ###############################################################
291: ## HTML and Javascript Helper Functions ##
292: ###############################################################
293:
294: =pod
295:
296: =head1 HTML and Javascript Functions
297:
298: =over 4
299:
300: =item * &browser_and_searcher_javascript()
301:
302: X<browsing, javascript>X<searching, javascript>Returns a string
303: containing javascript with two functions, C<openbrowser> and
304: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
305: tags.
306:
307: =item * &openbrowser(formname,elementname,only,omit) [javascript]
308:
309: inputs: formname, elementname, only, omit
310:
311: formname and elementname indicate the name of the html form and name of
312: the element that the results of the browsing selection are to be placed in.
313:
314: Specifying 'only' will restrict the browser to displaying only files
315: with the given extension. Can be a comma separated list.
316:
317: Specifying 'omit' will restrict the browser to NOT displaying files
318: with the given extension. Can be a comma separated list.
319:
320: =item * &opensearcher(formname,elementname) [javascript]
321:
322: Inputs: formname, elementname
323:
324: formname and elementname specify the name of the html form and the name
325: of the element the selection from the search results will be placed in.
326:
327: =cut
328:
329: sub browser_and_searcher_javascript {
330: my ($mode)=@_;
331: if (!defined($mode)) { $mode='edit'; }
332: my $resurl=&escape_single(&lastresurl());
333: return <<END;
334: // <!-- BEGIN LON-CAPA Internal
335: var editbrowser = null;
336: function openbrowser(formname,elementname,only,omit,titleelement) {
337: var url = '$resurl/?';
338: if (editbrowser == null) {
339: url += 'launch=1&';
340: }
341: url += 'catalogmode=interactive&';
342: url += 'mode=$mode&';
343: url += 'inhibitmenu=yes&';
344: url += 'form=' + formname + '&';
345: if (only != null) {
346: url += 'only=' + only + '&';
347: } else {
348: url += 'only=&';
349: }
350: if (omit != null) {
351: url += 'omit=' + omit + '&';
352: } else {
353: url += 'omit=&';
354: }
355: if (titleelement != null) {
356: url += 'titleelement=' + titleelement + '&';
357: } else {
358: url += 'titleelement=&';
359: }
360: url += 'element=' + elementname + '';
361: var title = 'Browser';
362: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
363: options += ',width=700,height=600';
364: editbrowser = open(url,title,options,'1');
365: editbrowser.focus();
366: }
367: var editsearcher;
368: function opensearcher(formname,elementname,titleelement) {
369: var url = '/adm/searchcat?';
370: if (editsearcher == null) {
371: url += 'launch=1&';
372: }
373: url += 'catalogmode=interactive&';
374: url += 'mode=$mode&';
375: url += 'form=' + formname + '&';
376: if (titleelement != null) {
377: url += 'titleelement=' + titleelement + '&';
378: } else {
379: url += 'titleelement=&';
380: }
381: url += 'element=' + elementname + '';
382: var title = 'Search';
383: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
384: options += ',width=700,height=600';
385: editsearcher = open(url,title,options,'1');
386: editsearcher.focus();
387: }
388: // END LON-CAPA Internal -->
389: END
390: }
391:
392: sub lastresurl {
393: if ($env{'environment.lastresurl'}) {
394: return $env{'environment.lastresurl'}
395: } else {
396: return '/res';
397: }
398: }
399:
400: sub storeresurl {
401: my $resurl=&Apache::lonnet::clutter(shift);
402: unless ($resurl=~/^\/res/) { return 0; }
403: $resurl=~s/\/$//;
404: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
405: &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
406: return 1;
407: }
408:
409: sub studentbrowser_javascript {
410: unless (
411: (($env{'request.course.id'}) &&
412: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
413: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
414: '/'.$env{'request.course.sec'})
415: ))
416: || ($env{'request.role'}=~/^(au|dc|su)/)
417: ) { return ''; }
418: return (<<'ENDSTDBRW');
419: <script type="text/javascript" language="Javascript">
420: // <![CDATA[
421: var stdeditbrowser;
422: function openstdbrowser(formname,uname,udom,clicker,roleflag,ignorefilter,courseadvonly) {
423: var url = '/adm/pickstudent?';
424: var filter;
425: if (!ignorefilter) {
426: eval('filter=document.'+formname+'.'+uname+'.value;');
427: }
428: if (filter != null) {
429: if (filter != '') {
430: url += 'filter='+filter+'&';
431: }
432: }
433: url += 'form=' + formname + '&unameelement='+uname+
434: '&udomelement='+udom+
435: '&clicker='+clicker;
436: if (roleflag) { url+="&roles=1"; }
437: if (courseadvonly) { url+="&courseadvonly=1"; }
438: var title = 'Student_Browser';
439: var options = 'scrollbars=1,resizable=1,menubar=0';
440: options += ',width=700,height=600';
441: stdeditbrowser = open(url,title,options,'1');
442: stdeditbrowser.focus();
443: }
444: // ]]>
445: </script>
446: ENDSTDBRW
447: }
448:
449: sub resourcebrowser_javascript {
450: unless ($env{'request.course.id'}) { return ''; }
451: return (<<'ENDRESBRW');
452: <script type="text/javascript" language="Javascript">
453: // <![CDATA[
454: var reseditbrowser;
455: function openresbrowser(formname,reslink) {
456: var url = '/adm/pickresource?form='+formname+'&reslink='+reslink;
457: var title = 'Resource_Browser';
458: var options = 'scrollbars=1,resizable=1,menubar=0';
459: options += ',width=700,height=500';
460: reseditbrowser = open(url,title,options,'1');
461: reseditbrowser.focus();
462: }
463: // ]]>
464: </script>
465: ENDRESBRW
466: }
467:
468: sub selectstudent_link {
469: my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
470: my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
471: &Apache::lonhtmlcommon::entity_encode($unameele)."','".
472: &Apache::lonhtmlcommon::entity_encode($udomele)."'";
473: if ($env{'request.course.id'}) {
474: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
475: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
476: '/'.$env{'request.course.sec'})) {
477: return '';
478: }
479: $callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
480: if ($courseadvonly) {
481: $callargs .= ",'',1,1";
482: }
483: return '<span class="LC_nobreak">'.
484: '<a href="javascript:openstdbrowser('.$callargs.');">'.
485: &mt('Select User').'</a></span>';
486: }
487: if ($env{'request.role'}=~/^(au|dc|su)/) {
488: $callargs .= ",'',1";
489: return '<span class="LC_nobreak">'.
490: '<a href="javascript:openstdbrowser('.$callargs.');">'.
491: &mt('Select User').'</a></span>';
492: }
493: return '';
494: }
495:
496: sub selectresource_link {
497: my ($form,$reslink,$arg)=@_;
498:
499: my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
500: &Apache::lonhtmlcommon::entity_encode($reslink)."'";
501: unless ($env{'request.course.id'}) { return $arg; }
502: return '<span class="LC_nobreak">'.
503: '<a href="javascript:openresbrowser('.$callargs.');">'.
504: $arg.'</a></span>';
505: }
506:
507:
508:
509: sub authorbrowser_javascript {
510: return <<"ENDAUTHORBRW";
511: <script type="text/javascript" language="JavaScript">
512: // <![CDATA[
513: var stdeditbrowser;
514:
515: function openauthorbrowser(formname,udom) {
516: var url = '/adm/pickauthor?';
517: url += 'form='+formname+'&roledom='+udom;
518: var title = 'Author_Browser';
519: var options = 'scrollbars=1,resizable=1,menubar=0';
520: options += ',width=700,height=600';
521: stdeditbrowser = open(url,title,options,'1');
522: stdeditbrowser.focus();
523: }
524:
525: // ]]>
526: </script>
527: ENDAUTHORBRW
528: }
529:
530: sub coursebrowser_javascript {
531: my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;
532: my $wintitle = 'Course_Browser';
533: if ($crstype eq 'Community') {
534: $wintitle = 'Community_Browser';
535: }
536: my $id_functions = &javascript_index_functions();
537: my $output = '
538: <script type="text/javascript" language="JavaScript">
539: // <![CDATA[
540: var stdeditbrowser;'."\n";
541:
542: $output .= <<"ENDSTDBRW";
543: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,type,type_elem) {
544: var url = '/adm/pickcourse?';
545: var formid = getFormIdByName(formname);
546: var domainfilter = getDomainFromSelectbox(formname,udom);
547: if (domainfilter != null) {
548: if (domainfilter != '') {
549: url += 'domainfilter='+domainfilter+'&';
550: }
551: }
552: url += 'form=' + formname + '&cnumelement='+uname+
553: '&cdomelement='+udom+
554: '&cnameelement='+desc;
555: if (extra_element !=null && extra_element != '') {
556: if (formname == 'rolechoice' || formname == 'studentform') {
557: url += '&roleelement='+extra_element;
558: if (domainfilter == null || domainfilter == '') {
559: url += '&domainfilter='+extra_element;
560: }
561: }
562: else {
563: if (formname == 'portform') {
564: url += '&setroles='+extra_element;
565: } else {
566: if (formname == 'rules') {
567: url += '&fixeddom='+extra_element;
568: }
569: }
570: }
571: }
572: if (type != null && type != '') {
573: url += '&type='+type;
574: }
575: if (type_elem != null && type_elem != '') {
576: url += '&typeelement='+type_elem;
577: }
578: if (formname == 'ccrs') {
579: var ownername = document.forms[formid].ccuname.value;
580: var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
581: url += '&cloner='+ownername+':'+ownerdom;
582: }
583: if (multflag !=null && multflag != '') {
584: url += '&multiple='+multflag;
585: }
586: var title = '$wintitle';
587: var options = 'scrollbars=1,resizable=1,menubar=0';
588: options += ',width=700,height=600';
589: stdeditbrowser = open(url,title,options,'1');
590: stdeditbrowser.focus();
591: }
592: $id_functions
593: ENDSTDBRW
594: if (($sec_element ne '') || ($role_element ne '')) {
595: $output .= &setsec_javascript($sec_element,$formname,$role_element);
596: }
597: $output .= '
598: // ]]>
599: </script>';
600: return $output;
601: }
602:
603: sub javascript_index_functions {
604: return <<"ENDJS";
605:
606: function getFormIdByName(formname) {
607: for (var i=0;i<document.forms.length;i++) {
608: if (document.forms[i].name == formname) {
609: return i;
610: }
611: }
612: return -1;
613: }
614:
615: function getIndexByName(formid,item) {
616: for (var i=0;i<document.forms[formid].elements.length;i++) {
617: if (document.forms[formid].elements[i].name == item) {
618: return i;
619: }
620: }
621: return -1;
622: }
623:
624: function getDomainFromSelectbox(formname,udom) {
625: var userdom;
626: var formid = getFormIdByName(formname);
627: if (formid > -1) {
628: var domid = getIndexByName(formid,udom);
629: if (domid > -1) {
630: if (document.forms[formid].elements[domid].type == 'select-one') {
631: userdom=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
632: }
633: if (document.forms[formid].elements[domid].type == 'hidden') {
634: userdom=document.forms[formid].elements[domid].value;
635: }
636: }
637: }
638: return userdom;
639: }
640:
641: ENDJS
642:
643: }
644:
645: sub javascript_array_indexof {
646: return <<ENDJS;
647: <script type="text/javascript" language="JavaScript">
648: // <![CDATA[
649:
650: if (!Array.prototype.indexOf) {
651: Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
652: "use strict";
653: if (this === void 0 || this === null) {
654: throw new TypeError();
655: }
656: var t = Object(this);
657: var len = t.length >>> 0;
658: if (len === 0) {
659: return -1;
660: }
661: var n = 0;
662: if (arguments.length > 0) {
663: n = Number(arguments[1]);
664: if (n !== n) { // shortcut for verifying if it's NaN
665: n = 0;
666: } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
667: n = (n > 0 || -1) * Math.floor(Math.abs(n));
668: }
669: }
670: if (n >= len) {
671: return -1;
672: }
673: var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
674: for (; k < len; k++) {
675: if (k in t && t[k] === searchElement) {
676: return k;
677: }
678: }
679: return -1;
680: }
681: }
682:
683: // ]]>
684: </script>
685:
686: ENDJS
687:
688: }
689:
690: sub userbrowser_javascript {
691: my $id_functions = &javascript_index_functions();
692: return <<"ENDUSERBRW";
693:
694: function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom,caller) {
695: var url = '/adm/pickuser?';
696: var userdom = getDomainFromSelectbox(formname,udom);
697: if (userdom != null) {
698: if (userdom != '') {
699: url += 'srchdom='+userdom+'&';
700: }
701: }
702: url += 'form=' + formname + '&unameelement='+uname+
703: '&udomelement='+udom+
704: '&ulastelement='+ulast+
705: '&ufirstelement='+ufirst+
706: '&uemailelement='+uemail+
707: '&hideudomelement='+hideudom+
708: '&coursedom='+crsdom;
709: if ((caller != null) && (caller != undefined)) {
710: url += '&caller='+caller;
711: }
712: var title = 'User_Browser';
713: var options = 'scrollbars=1,resizable=1,menubar=0';
714: options += ',width=700,height=600';
715: var stdeditbrowser = open(url,title,options,'1');
716: stdeditbrowser.focus();
717: }
718:
719: function fix_domain (formname,udom,origdom,uname) {
720: var formid = getFormIdByName(formname);
721: if (formid > -1) {
722: var unameid = getIndexByName(formid,uname);
723: var domid = getIndexByName(formid,udom);
724: var hidedomid = getIndexByName(formid,origdom);
725: if (hidedomid > -1) {
726: var fixeddom = document.forms[formid].elements[hidedomid].value;
727: var unameval = document.forms[formid].elements[unameid].value;
728: if ((fixeddom != '') && (fixeddom != undefined) && (fixeddom != null) && (unameval != '') && (unameval != undefined) && (unameval != null)) {
729: if (domid > -1) {
730: var slct = document.forms[formid].elements[domid];
731: if (slct.type == 'select-one') {
732: var i;
733: for (i=0;i<slct.length;i++) {
734: if (slct.options[i].value==fixeddom) { slct.selectedIndex=i; }
735: }
736: }
737: if (slct.type == 'hidden') {
738: slct.value = fixeddom;
739: }
740: }
741: }
742: }
743: }
744: return;
745: }
746:
747: $id_functions
748: ENDUSERBRW
749: }
750:
751: sub setsec_javascript {
752: my ($sec_element,$formname,$role_element) = @_;
753: my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
754: $communityrolestr);
755: if ($role_element ne '') {
756: my @allroles = ('st','ta','ep','in','ad');
757: foreach my $crstype ('Course','Community') {
758: if ($crstype eq 'Community') {
759: foreach my $role (@allroles) {
760: push(@communityrolenames,&Apache::lonnet::plaintext($role,$crstype));
761: }
762: push(@communityrolenames,&Apache::lonnet::plaintext('co'));
763: } else {
764: foreach my $role (@allroles) {
765: push(@courserolenames,&Apache::lonnet::plaintext($role,$crstype));
766: }
767: push(@courserolenames,&Apache::lonnet::plaintext('cc'));
768: }
769: }
770: $rolestr = '"'.join('","',@allroles).'"';
771: $courserolestr = '"'.join('","',@courserolenames).'"';
772: $communityrolestr = '"'.join('","',@communityrolenames).'"';
773: }
774: my $setsections = qq|
775: function setSect(sectionlist) {
776: var sectionsArray = new Array();
777: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
778: sectionsArray = sectionlist.split(",");
779: }
780: var numSections = sectionsArray.length;
781: document.$formname.$sec_element.length = 0;
782: if (numSections == 0) {
783: document.$formname.$sec_element.multiple=false;
784: document.$formname.$sec_element.size=1;
785: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
786: } else {
787: if (numSections == 1) {
788: document.$formname.$sec_element.multiple=false;
789: document.$formname.$sec_element.size=1;
790: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
791: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
792: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
793: } else {
794: for (var i=0; i<numSections; i++) {
795: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
796: }
797: document.$formname.$sec_element.multiple=true
798: if (numSections < 3) {
799: document.$formname.$sec_element.size=numSections;
800: } else {
801: document.$formname.$sec_element.size=3;
802: }
803: document.$formname.$sec_element.options[0].selected = false
804: }
805: }
806: }
807:
808: function setRole(crstype) {
809: |;
810: if ($role_element eq '') {
811: $setsections .= ' return;
812: }
813: ';
814: } else {
815: $setsections .= qq|
816: var elementLength = document.$formname.$role_element.length;
817: var allroles = Array($rolestr);
818: var courserolenames = Array($courserolestr);
819: var communityrolenames = Array($communityrolestr);
820: if (elementLength != undefined) {
821: if (document.$formname.$role_element.options[5].value == 'cc') {
822: if (crstype == 'Course') {
823: return;
824: } else {
825: allroles[5] = 'co';
826: for (var i=0; i<6; i++) {
827: document.$formname.$role_element.options[i].value = allroles[i];
828: document.$formname.$role_element.options[i].text = communityrolenames[i];
829: }
830: }
831: } else {
832: if (crstype == 'Community') {
833: return;
834: } else {
835: allroles[5] = 'cc';
836: for (var i=0; i<6; i++) {
837: document.$formname.$role_element.options[i].value = allroles[i];
838: document.$formname.$role_element.options[i].text = courserolenames[i];
839: }
840: }
841: }
842: }
843: return;
844: }
845: |;
846: }
847: return $setsections;
848: }
849:
850: sub selectcourse_link {
851: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype,
852: $typeelement) = @_;
853: my $type = $selecttype;
854: my $linktext = &mt('Select Course');
855: if ($selecttype eq 'Community') {
856: $linktext = &mt('Select Community');
857: } elsif ($selecttype eq 'Course/Community') {
858: $linktext = &mt('Select Course/Community');
859: $type = '';
860: } elsif ($selecttype eq 'Select') {
861: $linktext = &mt('Select');
862: $type = '';
863: }
864: return '<span class="LC_nobreak">'
865: ."<a href='"
866: .'javascript:opencrsbrowser("'.$form.'","'.$unameele
867: .'","'.$udomele.'","'.$desc.'","'.$extra_element
868: .'","'.$multflag.'","'.$type.'","'.$typeelement.'");'
869: ."'>".$linktext.'</a>'
870: .'</span>';
871: }
872:
873: sub selectauthor_link {
874: my ($form,$udom)=@_;
875: return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
876: &mt('Select Author').'</a>';
877: }
878:
879: sub selectuser_link {
880: my ($form,$unameelem,$domelem,$lastelem,$firstelem,$emailelem,$hdomelem,
881: $coursedom,$linktext,$caller) = @_;
882: return '<a href="javascript:openuserbrowser('."'$form','$unameelem','$domelem',".
883: "'$lastelem','$firstelem','$emailelem','$hdomelem','$coursedom','$caller'".
884: ');">'.$linktext.'</a>';
885: }
886:
887: sub check_uncheck_jscript {
888: my $jscript = <<"ENDSCRT";
889: function checkAll(field) {
890: if (field.length > 0) {
891: for (i = 0; i < field.length; i++) {
892: if (!field[i].disabled) {
893: field[i].checked = true;
894: }
895: }
896: } else {
897: if (!field.disabled) {
898: field.checked = true;
899: }
900: }
901: }
902:
903: function uncheckAll(field) {
904: if (field.length > 0) {
905: for (i = 0; i < field.length; i++) {
906: field[i].checked = false ;
907: }
908: } else {
909: field.checked = false ;
910: }
911: }
912: ENDSCRT
913: return $jscript;
914: }
915:
916: sub select_timezone {
917: my ($name,$selected,$onchange,$includeempty)=@_;
918: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
919: if ($includeempty) {
920: $output .= '<option value=""';
921: if (($selected eq '') || ($selected eq 'local')) {
922: $output .= ' selected="selected" ';
923: }
924: $output .= '> </option>';
925: }
926: my @timezones = DateTime::TimeZone->all_names;
927: foreach my $tzone (@timezones) {
928: $output.= '<option value="'.$tzone.'"';
929: if ($tzone eq $selected) {
930: $output.=' selected="selected"';
931: }
932: $output.=">$tzone</option>\n";
933: }
934: $output.="</select>";
935: return $output;
936: }
937:
938: sub select_datelocale {
939: my ($name,$selected,$onchange,$includeempty)=@_;
940: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
941: if ($includeempty) {
942: $output .= '<option value=""';
943: if ($selected eq '') {
944: $output .= ' selected="selected" ';
945: }
946: $output .= '> </option>';
947: }
948: my (@possibles,%locale_names);
949: my @locales = DateTime::Locale::Catalog::Locales;
950: foreach my $locale (@locales) {
951: if (ref($locale) eq 'HASH') {
952: my $id = $locale->{'id'};
953: if ($id ne '') {
954: my $en_terr = $locale->{'en_territory'};
955: my $native_terr = $locale->{'native_territory'};
956: my @languages = &Apache::lonlocal::preferred_languages();
957: if (grep(/^en$/,@languages) || !@languages) {
958: if ($en_terr ne '') {
959: $locale_names{$id} = '('.$en_terr.')';
960: } elsif ($native_terr ne '') {
961: $locale_names{$id} = $native_terr;
962: }
963: } else {
964: if ($native_terr ne '') {
965: $locale_names{$id} = $native_terr.' ';
966: } elsif ($en_terr ne '') {
967: $locale_names{$id} = '('.$en_terr.')';
968: }
969: }
970: push (@possibles,$id);
971: }
972: }
973: }
974: foreach my $item (sort(@possibles)) {
975: $output.= '<option value="'.$item.'"';
976: if ($item eq $selected) {
977: $output.=' selected="selected"';
978: }
979: $output.=">$item";
980: if ($locale_names{$item} ne '') {
981: $output.=" $locale_names{$item}</option>\n";
982: }
983: $output.="</option>\n";
984: }
985: $output.="</select>";
986: return $output;
987: }
988:
989: sub select_language {
990: my ($name,$selected,$includeempty) = @_;
991: my %langchoices;
992: if ($includeempty) {
993: %langchoices = ('' => 'No language preference');
994: }
995: foreach my $id (&languageids()) {
996: my $code = &supportedlanguagecode($id);
997: if ($code) {
998: $langchoices{$code} = &plainlanguagedescription($id);
999: }
1000: }
1001: return &select_form($selected,$name,\%langchoices);
1002: }
1003:
1004: =pod
1005:
1006: =item * &linked_select_forms(...)
1007:
1008: linked_select_forms returns a string containing a <script></script> block
1009: and html for two <select> menus. The select menus will be linked in that
1010: changing the value of the first menu will result in new values being placed
1011: in the second menu. The values in the select menu will appear in alphabetical
1012: order unless a defined order is provided.
1013:
1014: linked_select_forms takes the following ordered inputs:
1015:
1016: =over 4
1017:
1018: =item * $formname, the name of the <form> tag
1019:
1020: =item * $middletext, the text which appears between the <select> tags
1021:
1022: =item * $firstdefault, the default value for the first menu
1023:
1024: =item * $firstselectname, the name of the first <select> tag
1025:
1026: =item * $secondselectname, the name of the second <select> tag
1027:
1028: =item * $hashref, a reference to a hash containing the data for the menus.
1029:
1030: =item * $menuorder, the order of values in the first menu
1031:
1032: =back
1033:
1034: Below is an example of such a hash. Only the 'text', 'default', and
1035: 'select2' keys must appear as stated. keys(%menu) are the possible
1036: values for the first select menu. The text that coincides with the
1037: first menu value is given in $menu{$choice1}->{'text'}. The values
1038: and text for the second menu are given in the hash pointed to by
1039: $menu{$choice1}->{'select2'}.
1040:
1041: my %menu = ( A1 => { text =>"Choice A1" ,
1042: default => "B3",
1043: select2 => {
1044: B1 => "Choice B1",
1045: B2 => "Choice B2",
1046: B3 => "Choice B3",
1047: B4 => "Choice B4"
1048: },
1049: order => ['B4','B3','B1','B2'],
1050: },
1051: A2 => { text =>"Choice A2" ,
1052: default => "C2",
1053: select2 => {
1054: C1 => "Choice C1",
1055: C2 => "Choice C2",
1056: C3 => "Choice C3"
1057: },
1058: order => ['C2','C1','C3'],
1059: },
1060: A3 => { text =>"Choice A3" ,
1061: default => "D6",
1062: select2 => {
1063: D1 => "Choice D1",
1064: D2 => "Choice D2",
1065: D3 => "Choice D3",
1066: D4 => "Choice D4",
1067: D5 => "Choice D5",
1068: D6 => "Choice D6",
1069: D7 => "Choice D7"
1070: },
1071: order => ['D4','D3','D2','D1','D7','D6','D5'],
1072: }
1073: );
1074:
1075: =cut
1076:
1077: sub linked_select_forms {
1078: my ($formname,
1079: $middletext,
1080: $firstdefault,
1081: $firstselectname,
1082: $secondselectname,
1083: $hashref,
1084: $menuorder,
1085: ) = @_;
1086: my $second = "document.$formname.$secondselectname";
1087: my $first = "document.$formname.$firstselectname";
1088: # output the javascript to do the changing
1089: my $result = '';
1090: $result.='<script type="text/javascript" language="JavaScript">'."\n";
1091: $result.="// <![CDATA[\n";
1092: $result.="var select2data = new Object();\n";
1093: $" = '","';
1094: my $debug = '';
1095: foreach my $s1 (sort(keys(%$hashref))) {
1096: $result.="select2data.d_$s1 = new Object();\n";
1097: $result.="select2data.d_$s1.def = new String('".
1098: $hashref->{$s1}->{'default'}."');\n";
1099: $result.="select2data.d_$s1.values = new Array(";
1100: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
1101: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
1102: @s2values = @{$hashref->{$s1}->{'order'}};
1103: }
1104: $result.="\"@s2values\");\n";
1105: $result.="select2data.d_$s1.texts = new Array(";
1106: my @s2texts;
1107: foreach my $value (@s2values) {
1108: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
1109: }
1110: $result.="\"@s2texts\");\n";
1111: }
1112: $"=' ';
1113: $result.= <<"END";
1114:
1115: function select1_changed() {
1116: // Determine new choice
1117: var newvalue = "d_" + $first.value;
1118: // update select2
1119: var values = select2data[newvalue].values;
1120: var texts = select2data[newvalue].texts;
1121: var select2def = select2data[newvalue].def;
1122: var i;
1123: // out with the old
1124: for (i = 0; i < $second.options.length; i++) {
1125: $second.options[i] = null;
1126: }
1127: // in with the nuclear
1128: for (i=0;i<values.length; i++) {
1129: $second.options[i] = new Option(values[i]);
1130: $second.options[i].value = values[i];
1131: $second.options[i].text = texts[i];
1132: if (values[i] == select2def) {
1133: $second.options[i].selected = true;
1134: }
1135: }
1136: }
1137: // ]]>
1138: </script>
1139: END
1140: # output the initial values for the selection lists
1141: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
1142: my @order = sort(keys(%{$hashref}));
1143: if (ref($menuorder) eq 'ARRAY') {
1144: @order = @{$menuorder};
1145: }
1146: foreach my $value (@order) {
1147: $result.=" <option value=\"$value\" ";
1148: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1149: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1150: }
1151: $result .= "</select>\n";
1152: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
1153: $result .= $middletext;
1154: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
1155: my $seconddefault = $hashref->{$firstdefault}->{'default'};
1156:
1157: my @secondorder = sort(keys(%select2));
1158: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
1159: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
1160: }
1161: foreach my $value (@secondorder) {
1162: $result.=" <option value=\"$value\" ";
1163: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1164: $result.=">".&mt($select2{$value})."</option>\n";
1165: }
1166: $result .= "</select>\n";
1167: # return $debug;
1168: return $result;
1169: } # end of sub linked_select_forms {
1170:
1171: =pod
1172:
1173: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)
1174:
1175: Returns a string corresponding to an HTML link to the given help
1176: $topic, where $topic corresponds to the name of a .tex file in
1177: /home/httpd/html/adm/help/tex, with underscores replaced by
1178: spaces.
1179:
1180: $text will optionally be linked to the same topic, allowing you to
1181: link text in addition to the graphic. If you do not want to link
1182: text, but wish to specify one of the later parameters, pass an
1183: empty string.
1184:
1185: $stayOnPage is a value that will be interpreted as a boolean. If true,
1186: the link will not open a new window. If false, the link will open
1187: a new window using Javascript. (Default is false.)
1188:
1189: $width and $height are optional numerical parameters that will
1190: override the width and height of the popped up window, which may
1191: be useful for certain help topics with big pictures included.
1192:
1193: $imgid is the id of the img tag used for the help icon. This may be
1194: used in a javascript call to switch the image src. See
1195: lonhtmlcommon::htmlareaselectactive() for an example.
1196:
1197: =cut
1198:
1199: sub help_open_topic {
1200: my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;
1201: $text = "" if (not defined $text);
1202: $stayOnPage = 0 if (not defined $stayOnPage);
1203: $width = 500 if (not defined $width);
1204: $height = 400 if (not defined $height);
1205: my $filename = $topic;
1206: $filename =~ s/ /_/g;
1207:
1208: my $template = "";
1209: my $link;
1210:
1211: $topic=~s/\W/\_/g;
1212:
1213: if (!$stayOnPage) {
1214: $link = "javascript:openMyModal('/adm/help/${filename}.hlp',$width,$height,'yes');";
1215: } elsif ($stayOnPage eq 'popup') {
1216: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1217: } else {
1218: $link = "/adm/help/${filename}.hlp";
1219: }
1220:
1221: # Add the text
1222: if ($text ne "") {
1223: $template.='<span class="LC_help_open_topic">'
1224: .'<a target="_top" href="'.$link.'">'
1225: .$text.'</a>';
1226: }
1227:
1228: # (Always) Add the graphic
1229: my $title = &mt('Online Help');
1230: my $helpicon=&lonhttpdurl("/adm/help/help.png");
1231: if ($imgid ne '') {
1232: $imgid = ' id="'.$imgid.'"';
1233: }
1234: $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
1235: .'<img src="'.$helpicon.'" border="0"'
1236: .' alt="'.&mt('Help: [_1]',$topic).'"'
1237: .' title="'.$title.'" style="vertical-align:middle;"'.$imgid
1238: .' /></a>';
1239: if ($text ne "") {
1240: $template.='</span>';
1241: }
1242: return $template;
1243:
1244: }
1245:
1246: # This is a quicky function for Latex cheatsheet editing, since it
1247: # appears in at least four places
1248: sub helpLatexCheatsheet {
1249: my ($topic,$text,$not_author,$stayOnPage) = @_;
1250: my $out;
1251: my $addOther = '';
1252: if ($topic) {
1253: $addOther = '<span>'.&help_open_topic($topic,&mt($text),$stayOnPage, undef, 600).'</span> ';
1254: }
1255: $out = '<span>' # Start cheatsheet
1256: .$addOther
1257: .'<span>'
1258: .&help_open_topic('Greek_Symbols',&mt('Greek Symbols'),$stayOnPage,undef,600)
1259: .'</span> <span>'
1260: .&help_open_topic('Other_Symbols',&mt('Other Symbols'),$stayOnPage,undef,600)
1261: .'</span>';
1262: unless ($not_author) {
1263: $out .= ' <span>'
1264: .&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600)
1265: .'</span>';
1266: }
1267: $out .= '</span>'; # End cheatsheet
1268: return $out;
1269: }
1270:
1271: sub general_help {
1272: my $helptopic='Student_Intro';
1273: if ($env{'request.role'}=~/^(ca|au)/) {
1274: $helptopic='Authoring_Intro';
1275: } elsif ($env{'request.role'}=~/^(cc|co)/) {
1276: $helptopic='Course_Coordination_Intro';
1277: } elsif ($env{'request.role'}=~/^dc/) {
1278: $helptopic='Domain_Coordination_Intro';
1279: }
1280: return $helptopic;
1281: }
1282:
1283: sub update_help_link {
1284: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
1285: my $origurl = $ENV{'REQUEST_URI'};
1286: $origurl=~s|^/~|/priv/|;
1287: my $timestamp = time;
1288: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
1289: $$datum = &escape($$datum);
1290: }
1291:
1292: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
1293: my $output .= <<"ENDOUTPUT";
1294: <script type="text/javascript">
1295: // <![CDATA[
1296: banner_link = '$banner_link';
1297: // ]]>
1298: </script>
1299: ENDOUTPUT
1300: return $output;
1301: }
1302:
1303: # now just updates the help link and generates a blue icon
1304: sub help_open_menu {
1305: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1306: = @_;
1307: $stayOnPage = 1;
1308: my $output;
1309: if ($component_help) {
1310: if (!$text) {
1311: $output=&help_open_topic($component_help,undef,$stayOnPage,
1312: $width,$height);
1313: } else {
1314: my $help_text;
1315: $help_text=&unescape($topic);
1316: $output='<table><tr><td>'.
1317: &help_open_topic($component_help,$help_text,$stayOnPage,
1318: $width,$height).'</td></tr></table>';
1319: }
1320: }
1321: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
1322: return $output.$banner_link;
1323: }
1324:
1325: sub top_nav_help {
1326: my ($text) = @_;
1327: $text = &mt($text);
1328: my $stay_on_page = 1;
1329:
1330: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1331: : "javascript:helpMenu('open')";
1332: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1333:
1334: my $title = &mt('Get help');
1335:
1336: return <<"END";
1337: $banner_link
1338: <a href="$link" title="$title">$text</a>
1339: END
1340: }
1341:
1342: sub help_menu_js {
1343: my ($text) = @_;
1344: my $stayOnPage = 1;
1345: my $width = 620;
1346: my $height = 600;
1347: my $helptopic=&general_help();
1348: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1349: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1350: my $start_page =
1351: &Apache::loncommon::start_page('Help Menu', undef,
1352: {'frameset' => 1,
1353: 'js_ready' => 1,
1354: 'add_entries' => {
1355: 'border' => '0',
1356: 'rows' => "110,*",},});
1357: my $end_page =
1358: &Apache::loncommon::end_page({'frameset' => 1,
1359: 'js_ready' => 1,});
1360:
1361: my $template .= <<"ENDTEMPLATE";
1362: <script type="text/javascript">
1363: // <![CDATA[
1364: // <!-- BEGIN LON-CAPA Internal
1365: var banner_link = '';
1366: function helpMenu(target) {
1367: var caller = this;
1368: if (target == 'open') {
1369: var newWindow = null;
1370: try {
1371: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1372: }
1373: catch(error) {
1374: writeHelp(caller);
1375: return;
1376: }
1377: if (newWindow) {
1378: caller = newWindow;
1379: }
1380: }
1381: writeHelp(caller);
1382: return;
1383: }
1384: function writeHelp(caller) {
1385: caller.document.writeln('$start_page\\n<frame name="bannerframe" src="'+banner_link+'" />\\n<frame name="bodyframe" src="$details_link" />\\n$end_page')
1386: caller.document.close()
1387: caller.focus()
1388: }
1389: // END LON-CAPA Internal -->
1390: // ]]>
1391: </script>
1392: ENDTEMPLATE
1393: return $template;
1394: }
1395:
1396: sub help_open_bug {
1397: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1398: unless ($env{'user.adv'}) { return ''; }
1399: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
1400: $text = "" if (not defined $text);
1401: $stayOnPage=1;
1402: $width = 600 if (not defined $width);
1403: $height = 600 if (not defined $height);
1404:
1405: $topic=~s/\W+/\+/g;
1406: my $link='';
1407: my $template='';
1408: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1409: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1410: if (!$stayOnPage)
1411: {
1412: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1413: }
1414: else
1415: {
1416: $link = $url;
1417: }
1418: # Add the text
1419: if ($text ne "")
1420: {
1421: $template .=
1422: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1423: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
1424: }
1425:
1426: # Add the graphic
1427: my $title = &mt('Report a Bug');
1428: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1429: $template .= <<"ENDTEMPLATE";
1430: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1431: ENDTEMPLATE
1432: if ($text ne '') { $template.='</td></tr></table>' };
1433: return $template;
1434:
1435: }
1436:
1437: sub help_open_faq {
1438: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1439: unless ($env{'user.adv'}) { return ''; }
1440: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1441: $text = "" if (not defined $text);
1442: $stayOnPage=1;
1443: $width = 350 if (not defined $width);
1444: $height = 400 if (not defined $height);
1445:
1446: $topic=~s/\W+/\+/g;
1447: my $link='';
1448: my $template='';
1449: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1450: if (!$stayOnPage)
1451: {
1452: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1453: }
1454: else
1455: {
1456: $link = $url;
1457: }
1458:
1459: # Add the text
1460: if ($text ne "")
1461: {
1462: $template .=
1463: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1464: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
1465: }
1466:
1467: # Add the graphic
1468: my $title = &mt('View the FAQ');
1469: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1470: $template .= <<"ENDTEMPLATE";
1471: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1472: ENDTEMPLATE
1473: if ($text ne '') { $template.='</td></tr></table>' };
1474: return $template;
1475:
1476: }
1477:
1478: ###############################################################
1479: ###############################################################
1480:
1481: =pod
1482:
1483: =item * &change_content_javascript():
1484:
1485: This and the next function allow you to create small sections of an
1486: otherwise static HTML page that you can update on the fly with
1487: Javascript, even in Netscape 4.
1488:
1489: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1490: must be written to the HTML page once. It will prove the Javascript
1491: function "change(name, content)". Calling the change function with the
1492: name of the section
1493: you want to update, matching the name passed to C<changable_area>, and
1494: the new content you want to put in there, will put the content into
1495: that area.
1496:
1497: B<Note>: Netscape 4 only reserves enough space for the changable area
1498: to contain room for the original contents. You need to "make space"
1499: for whatever changes you wish to make, and be B<sure> to check your
1500: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1501: it's adequate for updating a one-line status display, but little more.
1502: This script will set the space to 100% width, so you only need to
1503: worry about height in Netscape 4.
1504:
1505: Modern browsers are much less limiting, and if you can commit to the
1506: user not using Netscape 4, this feature may be used freely with
1507: pretty much any HTML.
1508:
1509: =cut
1510:
1511: sub change_content_javascript {
1512: # If we're on Netscape 4, we need to use Layer-based code
1513: if ($env{'browser.type'} eq 'netscape' &&
1514: $env{'browser.version'} =~ /^4\./) {
1515: return (<<NETSCAPE4);
1516: function change(name, content) {
1517: doc = document.layers[name+"___escape"].layers[0].document;
1518: doc.open();
1519: doc.write(content);
1520: doc.close();
1521: }
1522: NETSCAPE4
1523: } else {
1524: # Otherwise, we need to use semi-standards-compliant code
1525: # (technically, "innerHTML" isn't standard but the equivalent
1526: # is really scary, and every useful browser supports it
1527: return (<<DOMBASED);
1528: function change(name, content) {
1529: element = document.getElementById(name);
1530: element.innerHTML = content;
1531: }
1532: DOMBASED
1533: }
1534: }
1535:
1536: =pod
1537:
1538: =item * &changable_area($name,$origContent):
1539:
1540: This provides a "changable area" that can be modified on the fly via
1541: the Javascript code provided in C<change_content_javascript>. $name is
1542: the name you will use to reference the area later; do not repeat the
1543: same name on a given HTML page more then once. $origContent is what
1544: the area will originally contain, which can be left blank.
1545:
1546: =cut
1547:
1548: sub changable_area {
1549: my ($name, $origContent) = @_;
1550:
1551: if ($env{'browser.type'} eq 'netscape' &&
1552: $env{'browser.version'} =~ /^4\./) {
1553: # If this is netscape 4, we need to use the Layer tag
1554: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1555: } else {
1556: return "<span id='$name'>$origContent</span>";
1557: }
1558: }
1559:
1560: =pod
1561:
1562: =item * &viewport_geometry_js
1563:
1564: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1565:
1566: =cut
1567:
1568:
1569: sub viewport_geometry_js {
1570: return <<"GEOMETRY";
1571: var Geometry = {};
1572: function init_geometry() {
1573: if (Geometry.init) { return };
1574: Geometry.init=1;
1575: if (window.innerHeight) {
1576: Geometry.getViewportHeight = function() { return window.innerHeight; };
1577: Geometry.getViewportWidth = function() { return window.innerWidth; };
1578: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1579: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1580: }
1581: else if (document.documentElement && document.documentElement.clientHeight) {
1582: Geometry.getViewportHeight =
1583: function() { return document.documentElement.clientHeight; };
1584: Geometry.getViewportWidth =
1585: function() { return document.documentElement.clientWidth; };
1586:
1587: Geometry.getHorizontalScroll =
1588: function() { return document.documentElement.scrollLeft; };
1589: Geometry.getVerticalScroll =
1590: function() { return document.documentElement.scrollTop; };
1591: }
1592: else if (document.body.clientHeight) {
1593: Geometry.getViewportHeight =
1594: function() { return document.body.clientHeight; };
1595: Geometry.getViewportWidth =
1596: function() { return document.body.clientWidth; };
1597: Geometry.getHorizontalScroll =
1598: function() { return document.body.scrollLeft; };
1599: Geometry.getVerticalScroll =
1600: function() { return document.body.scrollTop; };
1601: }
1602: }
1603:
1604: GEOMETRY
1605: }
1606:
1607: =pod
1608:
1609: =item * &viewport_size_js()
1610:
1611: Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
1612:
1613: =cut
1614:
1615: sub viewport_size_js {
1616: my $geometry = &viewport_geometry_js();
1617: return <<"DIMS";
1618:
1619: $geometry
1620:
1621: function getViewportDims(width,height) {
1622: init_geometry();
1623: width.value = Geometry.getViewportWidth();
1624: height.value = Geometry.getViewportHeight();
1625: return;
1626: }
1627:
1628: DIMS
1629: }
1630:
1631: =pod
1632:
1633: =item * &resize_textarea_js()
1634:
1635: emits the needed javascript to resize a textarea to be as big as possible
1636:
1637: creates a function resize_textrea that takes two IDs first should be
1638: the id of the element to resize, second should be the id of a div that
1639: surrounds everything that comes after the textarea, this routine needs
1640: to be attached to the <body> for the onload and onresize events.
1641:
1642: =back
1643:
1644: =cut
1645:
1646: sub resize_textarea_js {
1647: my $geometry = &viewport_geometry_js();
1648: return <<"RESIZE";
1649: <script type="text/javascript">
1650: // <![CDATA[
1651: $geometry
1652:
1653: function getX(element) {
1654: var x = 0;
1655: while (element) {
1656: x += element.offsetLeft;
1657: element = element.offsetParent;
1658: }
1659: return x;
1660: }
1661: function getY(element) {
1662: var y = 0;
1663: while (element) {
1664: y += element.offsetTop;
1665: element = element.offsetParent;
1666: }
1667: return y;
1668: }
1669:
1670:
1671: function resize_textarea(textarea_id,bottom_id) {
1672: init_geometry();
1673: var textarea = document.getElementById(textarea_id);
1674: //alert(textarea);
1675:
1676: var textarea_top = getY(textarea);
1677: var textarea_height = textarea.offsetHeight;
1678: var bottom = document.getElementById(bottom_id);
1679: var bottom_top = getY(bottom);
1680: var bottom_height = bottom.offsetHeight;
1681: var window_height = Geometry.getViewportHeight();
1682: var fudge = 23;
1683: var new_height = window_height-fudge-textarea_top-bottom_height;
1684: if (new_height < 300) {
1685: new_height = 300;
1686: }
1687: textarea.style.height=new_height+'px';
1688: }
1689: // ]]>
1690: </script>
1691: RESIZE
1692:
1693: }
1694:
1695: =pod
1696:
1697: =head1 Excel and CSV file utility routines
1698:
1699: =over 4
1700:
1701: =cut
1702:
1703: ###############################################################
1704: ###############################################################
1705:
1706: =pod
1707:
1708: =item * &csv_translate($text)
1709:
1710: Translate $text to allow it to be output as a 'comma separated values'
1711: format.
1712:
1713: =cut
1714:
1715: ###############################################################
1716: ###############################################################
1717: sub csv_translate {
1718: my $text = shift;
1719: $text =~ s/\"/\"\"/g;
1720: $text =~ s/\n/ /g;
1721: return $text;
1722: }
1723:
1724: ###############################################################
1725: ###############################################################
1726:
1727: =pod
1728:
1729: =item * &define_excel_formats()
1730:
1731: Define some commonly used Excel cell formats.
1732:
1733: Currently supported formats:
1734:
1735: =over 4
1736:
1737: =item header
1738:
1739: =item bold
1740:
1741: =item h1
1742:
1743: =item h2
1744:
1745: =item h3
1746:
1747: =item h4
1748:
1749: =item i
1750:
1751: =item date
1752:
1753: =back
1754:
1755: Inputs: $workbook
1756:
1757: Returns: $format, a hash reference.
1758:
1759:
1760: =cut
1761:
1762: ###############################################################
1763: ###############################################################
1764: sub define_excel_formats {
1765: my ($workbook) = @_;
1766: my $format;
1767: $format->{'header'} = $workbook->add_format(bold => 1,
1768: bottom => 1,
1769: align => 'center');
1770: $format->{'bold'} = $workbook->add_format(bold=>1);
1771: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1772: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1773: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1774: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1775: $format->{'i'} = $workbook->add_format(italic=>1);
1776: $format->{'date'} = $workbook->add_format(num_format=>
1777: 'mm/dd/yyyy hh:mm:ss');
1778: return $format;
1779: }
1780:
1781: ###############################################################
1782: ###############################################################
1783:
1784: =pod
1785:
1786: =item * &create_workbook()
1787:
1788: Create an Excel worksheet. If it fails, output message on the
1789: request object and return undefs.
1790:
1791: Inputs: Apache request object
1792:
1793: Returns (undef) on failure,
1794: Excel worksheet object, scalar with filename, and formats
1795: from &Apache::loncommon::define_excel_formats on success
1796:
1797: =cut
1798:
1799: ###############################################################
1800: ###############################################################
1801: sub create_workbook {
1802: my ($r) = @_;
1803: #
1804: # Create the excel spreadsheet
1805: my $filename = '/prtspool/'.
1806: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1807: time.'_'.rand(1000000000).'.xls';
1808: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1809: if (! defined($workbook)) {
1810: $r->log_error("Error creating excel spreadsheet $filename: $!");
1811: $r->print(
1812: '<p class="LC_error">'
1813: .&mt('Problems occurred in creating the new Excel file.')
1814: .' '.&mt('This error has been logged.')
1815: .' '.&mt('Please alert your LON-CAPA administrator.')
1816: .'</p>'
1817: );
1818: return (undef);
1819: }
1820: #
1821: $workbook->set_tempdir(LONCAPA::tempdir());
1822: #
1823: my $format = &Apache::loncommon::define_excel_formats($workbook);
1824: return ($workbook,$filename,$format);
1825: }
1826:
1827: ###############################################################
1828: ###############################################################
1829:
1830: =pod
1831:
1832: =item * &create_text_file()
1833:
1834: Create a file to write to and eventually make available to the user.
1835: If file creation fails, outputs an error message on the request object and
1836: return undefs.
1837:
1838: Inputs: Apache request object, and file suffix
1839:
1840: Returns (undef) on failure,
1841: Filehandle and filename on success.
1842:
1843: =cut
1844:
1845: ###############################################################
1846: ###############################################################
1847: sub create_text_file {
1848: my ($r,$suffix) = @_;
1849: if (! defined($suffix)) { $suffix = 'txt'; };
1850: my $fh;
1851: my $filename = '/prtspool/'.
1852: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1853: time.'_'.rand(1000000000).'.'.$suffix;
1854: $fh = Apache::File->new('>/home/httpd'.$filename);
1855: if (! defined($fh)) {
1856: $r->log_error("Couldn't open $filename for output $!");
1857: $r->print(
1858: '<p class="LC_error">'
1859: .&mt('Problems occurred in creating the output file.')
1860: .' '.&mt('This error has been logged.')
1861: .' '.&mt('Please alert your LON-CAPA administrator.')
1862: .'</p>'
1863: );
1864: }
1865: return ($fh,$filename)
1866: }
1867:
1868:
1869: =pod
1870:
1871: =back
1872:
1873: =cut
1874:
1875: ###############################################################
1876: ## Home server <option> list generating code ##
1877: ###############################################################
1878:
1879: # ------------------------------------------
1880:
1881: sub domain_select {
1882: my ($name,$value,$multiple)=@_;
1883: my %domains=map {
1884: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1885: } &Apache::lonnet::all_domains();
1886: if ($multiple) {
1887: $domains{''}=&mt('Any domain');
1888: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1889: return &multiple_select_form($name,$value,4,\%domains);
1890: } else {
1891: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1892: return &select_form($name,$value,\%domains);
1893: }
1894: }
1895:
1896: #-------------------------------------------
1897:
1898: =pod
1899:
1900: =head1 Routines for form select boxes
1901:
1902: =over 4
1903:
1904: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1905:
1906: Returns a string containing a <select> element int multiple mode
1907:
1908:
1909: Args:
1910: $name - name of the <select> element
1911: $value - scalar or array ref of values that should already be selected
1912: $size - number of rows long the select element is
1913: $hash - the elements should be 'option' => 'shown text'
1914: (shown text should already have been &mt())
1915: $order - (optional) array ref of the order to show the elements in
1916:
1917: =cut
1918:
1919: #-------------------------------------------
1920: sub multiple_select_form {
1921: my ($name,$value,$size,$hash,$order)=@_;
1922: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1923: my $output='';
1924: if (! defined($size)) {
1925: $size = 4;
1926: if (scalar(keys(%$hash))<4) {
1927: $size = scalar(keys(%$hash));
1928: }
1929: }
1930: $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
1931: my @order;
1932: if (ref($order) eq 'ARRAY') {
1933: @order = @{$order};
1934: } else {
1935: @order = sort(keys(%$hash));
1936: }
1937: if (exists($$hash{'select_form_order'})) {
1938: @order = @{$$hash{'select_form_order'}};
1939: }
1940:
1941: foreach my $key (@order) {
1942: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1943: $output.='selected="selected" ' if ($selected{$key});
1944: $output.='>'.$hash->{$key}."</option>\n";
1945: }
1946: $output.="</select>\n";
1947: return $output;
1948: }
1949:
1950: #-------------------------------------------
1951:
1952: =pod
1953:
1954: =item * &select_form($defdom,$name,$hashref,$onchange)
1955:
1956: Returns a string containing a <select name='$name' size='1'> form to
1957: allow a user to select options from a ref to a hash containing:
1958: option_name => displayed text. An optional $onchange can include
1959: a javascript onchange item, e.g., onchange="this.form.submit();"
1960:
1961: See lonrights.pm for an example invocation and use.
1962:
1963: =cut
1964:
1965: #-------------------------------------------
1966: sub select_form {
1967: my ($def,$name,$hashref,$onchange) = @_;
1968: return unless (ref($hashref) eq 'HASH');
1969: if ($onchange) {
1970: $onchange = ' onchange="'.$onchange.'"';
1971: }
1972: my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";
1973: my @keys;
1974: if (exists($hashref->{'select_form_order'})) {
1975: @keys=@{$hashref->{'select_form_order'}};
1976: } else {
1977: @keys=sort(keys(%{$hashref}));
1978: }
1979: foreach my $key (@keys) {
1980: $selectform.=
1981: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1982: ($key eq $def ? 'selected="selected" ' : '').
1983: ">".$hashref->{$key}."</option>\n";
1984: }
1985: $selectform.="</select>";
1986: return $selectform;
1987: }
1988:
1989: # For display filters
1990:
1991: sub display_filter {
1992: my ($context) = @_;
1993: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1994: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1995: my $phraseinput = 'hidden';
1996: my $includeinput = 'hidden';
1997: my ($checked,$includetypestext);
1998: if ($env{'form.displayfilter'} eq 'containing') {
1999: $phraseinput = 'text';
2000: if ($context eq 'parmslog') {
2001: $includeinput = 'checkbox';
2002: if ($env{'form.includetypes'}) {
2003: $checked = ' checked="checked"';
2004: }
2005: $includetypestext = &mt('Include parameter types');
2006: }
2007: } else {
2008: $includetypestext = ' ';
2009: }
2010: my ($additional,$secondid,$thirdid);
2011: if ($context eq 'parmslog') {
2012: $additional =
2013: '<label><input type="'.$includeinput.'" name="includetypes"'.
2014: $checked.' name="includetypes" value="1" id="includetypes" />'.
2015: ' <span id="includetypestext">'.$includetypestext.'</span>'.
2016: '</label>';
2017: $secondid = 'includetypes';
2018: $thirdid = 'includetypestext';
2019: }
2020: my $onchange = "javascript:toggleHistoryOptions(this,'containingphrase','$context',
2021: '$secondid','$thirdid')";
2022: return '<span class="LC_nobreak"><label>'.&mt('Records: [_1]',
2023: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
2024: (&mt('all'),10,20,50,100,1000,10000))).
2025: '</label></span> <span class="LC_nobreak">'.
2026: &mt('Filter: [_1]',
2027: &select_form($env{'form.displayfilter'},
2028: 'displayfilter',
2029: {'currentfolder' => 'Current folder/page',
2030: 'containing' => 'Containing phrase',
2031: 'none' => 'None'},$onchange)).' '.
2032: '<input type="'.$phraseinput.'" name="containingphrase" id="containingphrase" size="30" value="'.
2033: &HTML::Entities::encode($env{'form.containingphrase'}).
2034: '" />'.$additional;
2035: }
2036:
2037: sub display_filter_js {
2038: my $includetext = &mt('Include parameter types');
2039: return <<"ENDJS";
2040:
2041: function toggleHistoryOptions(setter,firstid,context,secondid,thirdid) {
2042: var firstType = 'hidden';
2043: if (setter.options[setter.selectedIndex].value == 'containing') {
2044: firstType = 'text';
2045: }
2046: firstObject = document.getElementById(firstid);
2047: if (typeof(firstObject) == 'object') {
2048: if (firstObject.type != firstType) {
2049: changeInputType(firstObject,firstType);
2050: }
2051: }
2052: if (context == 'parmslog') {
2053: var secondType = 'hidden';
2054: if (firstType == 'text') {
2055: secondType = 'checkbox';
2056: }
2057: secondObject = document.getElementById(secondid);
2058: if (typeof(secondObject) == 'object') {
2059: if (secondObject.type != secondType) {
2060: changeInputType(secondObject,secondType);
2061: }
2062: }
2063: var textItem = document.getElementById(thirdid);
2064: var currtext = textItem.innerHTML;
2065: var newtext;
2066: if (firstType == 'text') {
2067: newtext = '$includetext';
2068: } else {
2069: newtext = ' ';
2070: }
2071: if (currtext != newtext) {
2072: textItem.innerHTML = newtext;
2073: }
2074: }
2075: return;
2076: }
2077:
2078: function changeInputType(oldObject,newType) {
2079: var newObject = document.createElement('input');
2080: newObject.type = newType;
2081: if (oldObject.size) {
2082: newObject.size = oldObject.size;
2083: }
2084: if (oldObject.value) {
2085: newObject.value = oldObject.value;
2086: }
2087: if (oldObject.name) {
2088: newObject.name = oldObject.name;
2089: }
2090: if (oldObject.id) {
2091: newObject.id = oldObject.id;
2092: }
2093: oldObject.parentNode.replaceChild(newObject,oldObject);
2094: return;
2095: }
2096:
2097: ENDJS
2098: }
2099:
2100: sub gradeleveldescription {
2101: my $gradelevel=shift;
2102: my %gradelevels=(0 => 'Not specified',
2103: 1 => 'Grade 1',
2104: 2 => 'Grade 2',
2105: 3 => 'Grade 3',
2106: 4 => 'Grade 4',
2107: 5 => 'Grade 5',
2108: 6 => 'Grade 6',
2109: 7 => 'Grade 7',
2110: 8 => 'Grade 8',
2111: 9 => 'Grade 9',
2112: 10 => 'Grade 10',
2113: 11 => 'Grade 11',
2114: 12 => 'Grade 12',
2115: 13 => 'Grade 13',
2116: 14 => '100 Level',
2117: 15 => '200 Level',
2118: 16 => '300 Level',
2119: 17 => '400 Level',
2120: 18 => 'Graduate Level');
2121: return &mt($gradelevels{$gradelevel});
2122: }
2123:
2124: sub select_level_form {
2125: my ($deflevel,$name)=@_;
2126: unless ($deflevel) { $deflevel=0; }
2127: my $selectform = "<select name=\"$name\" size=\"1\">\n";
2128: for (my $i=0; $i<=18; $i++) {
2129: $selectform.="<option value=\"$i\" ".
2130: ($i==$deflevel ? 'selected="selected" ' : '').
2131: ">".&gradeleveldescription($i)."</option>\n";
2132: }
2133: $selectform.="</select>";
2134: return $selectform;
2135: }
2136:
2137: #-------------------------------------------
2138:
2139: =pod
2140:
2141: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
2142:
2143: Returns a string containing a <select name='$name' size='1'> form to
2144: allow a user to select the domain to preform an operation in.
2145: See loncreateuser.pm for an example invocation and use.
2146:
2147: If the $includeempty flag is set, it also includes an empty choice ("no domain
2148: selected");
2149:
2150: If the $showdomdesc flag is set, the domain name is followed by the domain description.
2151:
2152: The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
2153:
2154: The optional $incdoms is a reference to an array of domains which will be the only available options.
2155:
2156: =cut
2157:
2158: #-------------------------------------------
2159: sub select_dom_form {
2160: my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
2161: if ($onchange) {
2162: $onchange = ' onchange="'.$onchange.'"';
2163: }
2164: my @domains;
2165: if (ref($incdoms) eq 'ARRAY') {
2166: @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
2167: } else {
2168: @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
2169: }
2170: if ($includeempty) { @domains=('',@domains); }
2171: my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
2172: foreach my $dom (@domains) {
2173: $selectdomain.="<option value=\"$dom\" ".
2174: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
2175: if ($showdomdesc) {
2176: if ($dom ne '') {
2177: my $domdesc = &Apache::lonnet::domain($dom,'description');
2178: if ($domdesc ne '') {
2179: $selectdomain .= ' ('.$domdesc.')';
2180: }
2181: }
2182: }
2183: $selectdomain .= "</option>\n";
2184: }
2185: $selectdomain.="</select>";
2186: return $selectdomain;
2187: }
2188:
2189: #-------------------------------------------
2190:
2191: =pod
2192:
2193: =item * &home_server_form_item($domain,$name,$defaultflag)
2194:
2195: input: 4 arguments (two required, two optional) -
2196: $domain - domain of new user
2197: $name - name of form element
2198: $default - Value of 'default' causes a default item to be first
2199: option, and selected by default.
2200: $hide - Value of 'hide' causes hiding of the name of the server,
2201: if 1 server found, or default, if 0 found.
2202: output: returns 2 items:
2203: (a) form element which contains either:
2204: (i) <select name="$name">
2205: <option value="$hostid1">$hostid $servers{$hostid}</option>
2206: <option value="$hostid2">$hostid $servers{$hostid}</option>
2207: </select>
2208: form item if there are multiple library servers in $domain, or
2209: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
2210: if there is only one library server in $domain.
2211:
2212: (b) number of library servers found.
2213:
2214: See loncreateuser.pm for example of use.
2215:
2216: =cut
2217:
2218: #-------------------------------------------
2219: sub home_server_form_item {
2220: my ($domain,$name,$default,$hide) = @_;
2221: my %servers = &Apache::lonnet::get_servers($domain,'library');
2222: my $result;
2223: my $numlib = keys(%servers);
2224: if ($numlib > 1) {
2225: $result .= '<select name="'.$name.'" />'."\n";
2226: if ($default) {
2227: $result .= '<option value="default" selected="selected">'.&mt('default').
2228: '</option>'."\n";
2229: }
2230: foreach my $hostid (sort(keys(%servers))) {
2231: $result.= '<option value="'.$hostid.'">'.
2232: $hostid.' '.$servers{$hostid}."</option>\n";
2233: }
2234: $result .= '</select>'."\n";
2235: } elsif ($numlib == 1) {
2236: my $hostid;
2237: foreach my $item (keys(%servers)) {
2238: $hostid = $item;
2239: }
2240: $result .= '<input type="hidden" name="'.$name.'" value="'.
2241: $hostid.'" />';
2242: if (!$hide) {
2243: $result .= $hostid.' '.$servers{$hostid};
2244: }
2245: $result .= "\n";
2246: } elsif ($default) {
2247: $result .= '<input type="hidden" name="'.$name.
2248: '" value="default" />';
2249: if (!$hide) {
2250: $result .= &mt('default');
2251: }
2252: $result .= "\n";
2253: }
2254: return ($result,$numlib);
2255: }
2256:
2257: =pod
2258:
2259: =back
2260:
2261: =cut
2262:
2263: ###############################################################
2264: ## Decoding User Agent ##
2265: ###############################################################
2266:
2267: =pod
2268:
2269: =head1 Decoding the User Agent
2270:
2271: =over 4
2272:
2273: =item * &decode_user_agent()
2274:
2275: Inputs: $r
2276:
2277: Outputs:
2278:
2279: =over 4
2280:
2281: =item * $httpbrowser
2282:
2283: =item * $clientbrowser
2284:
2285: =item * $clientversion
2286:
2287: =item * $clientmathml
2288:
2289: =item * $clientunicode
2290:
2291: =item * $clientos
2292:
2293: =back
2294:
2295: =back
2296:
2297: =cut
2298:
2299: ###############################################################
2300: ###############################################################
2301: sub decode_user_agent {
2302: my ($r)=@_;
2303: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
2304: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
2305: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
2306: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
2307: my $clientbrowser='unknown';
2308: my $clientversion='0';
2309: my $clientmathml='';
2310: my $clientunicode='0';
2311: for (my $i=0;$i<=$#browsertype;$i++) {
2312: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
2313: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
2314: $clientbrowser=$bname;
2315: $httpbrowser=~/$vreg/i;
2316: $clientversion=$1;
2317: $clientmathml=($clientversion>=$minv);
2318: $clientunicode=($clientversion>=$univ);
2319: }
2320: }
2321: my $clientos='unknown';
2322: if (($httpbrowser=~/linux/i) ||
2323: ($httpbrowser=~/unix/i) ||
2324: ($httpbrowser=~/ux/i) ||
2325: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
2326: if (($httpbrowser=~/vax/i) ||
2327: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
2328: if ($httpbrowser=~/next/i) { $clientos='next'; }
2329: if (($httpbrowser=~/mac/i) ||
2330: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
2331: if ($httpbrowser=~/win/i) { $clientos='win'; }
2332: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
2333: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
2334: $clientunicode,$clientos,);
2335: }
2336:
2337: ###############################################################
2338: ## Authentication changing form generation subroutines ##
2339: ###############################################################
2340: ##
2341: ## All of the authform_xxxxxxx subroutines take their inputs in a
2342: ## hash, and have reasonable default values.
2343: ##
2344: ## formname = the name given in the <form> tag.
2345: #-------------------------------------------
2346:
2347: =pod
2348:
2349: =head1 Authentication Routines
2350:
2351: =over 4
2352:
2353: =item * &authform_xxxxxx()
2354:
2355: The authform_xxxxxx subroutines provide javascript and html forms which
2356: handle some of the conveniences required for authentication forms.
2357: This is not an optimal method, but it works.
2358:
2359: =over 4
2360:
2361: =item * authform_header
2362:
2363: =item * authform_authorwarning
2364:
2365: =item * authform_nochange
2366:
2367: =item * authform_kerberos
2368:
2369: =item * authform_internal
2370:
2371: =item * authform_filesystem
2372:
2373: =back
2374:
2375: See loncreateuser.pm for invocation and use examples.
2376:
2377: =cut
2378:
2379: #-------------------------------------------
2380: sub authform_header{
2381: my %in = (
2382: formname => 'cu',
2383: kerb_def_dom => '',
2384: @_,
2385: );
2386: $in{'formname'} = 'document.' . $in{'formname'};
2387: my $result='';
2388:
2389: #---------------------------------------------- Code for upper case translation
2390: my $Javascript_toUpperCase;
2391: unless ($in{kerb_def_dom}) {
2392: $Javascript_toUpperCase =<<"END";
2393: switch (choice) {
2394: case 'krb': currentform.elements[choicearg].value =
2395: currentform.elements[choicearg].value.toUpperCase();
2396: break;
2397: default:
2398: }
2399: END
2400: } else {
2401: $Javascript_toUpperCase = "";
2402: }
2403:
2404: my $radioval = "'nochange'";
2405: if (defined($in{'curr_authtype'})) {
2406: if ($in{'curr_authtype'} ne '') {
2407: $radioval = "'".$in{'curr_authtype'}."arg'";
2408: }
2409: }
2410: my $argfield = 'null';
2411: if (defined($in{'mode'})) {
2412: if ($in{'mode'} eq 'modifycourse') {
2413: if (defined($in{'curr_autharg'})) {
2414: if ($in{'curr_autharg'} ne '') {
2415: $argfield = "'$in{'curr_autharg'}'";
2416: }
2417: }
2418: }
2419: }
2420:
2421: $result.=<<"END";
2422: var current = new Object();
2423: current.radiovalue = $radioval;
2424: current.argfield = $argfield;
2425:
2426: function changed_radio(choice,currentform) {
2427: var choicearg = choice + 'arg';
2428: // If a radio button in changed, we need to change the argfield
2429: if (current.radiovalue != choice) {
2430: current.radiovalue = choice;
2431: if (current.argfield != null) {
2432: currentform.elements[current.argfield].value = '';
2433: }
2434: if (choice == 'nochange') {
2435: current.argfield = null;
2436: } else {
2437: current.argfield = choicearg;
2438: switch(choice) {
2439: case 'krb':
2440: currentform.elements[current.argfield].value =
2441: "$in{'kerb_def_dom'}";
2442: break;
2443: default:
2444: break;
2445: }
2446: }
2447: }
2448: return;
2449: }
2450:
2451: function changed_text(choice,currentform) {
2452: var choicearg = choice + 'arg';
2453: if (currentform.elements[choicearg].value !='') {
2454: $Javascript_toUpperCase
2455: // clear old field
2456: if ((current.argfield != choicearg) && (current.argfield != null)) {
2457: currentform.elements[current.argfield].value = '';
2458: }
2459: current.argfield = choicearg;
2460: }
2461: set_auth_radio_buttons(choice,currentform);
2462: return;
2463: }
2464:
2465: function set_auth_radio_buttons(newvalue,currentform) {
2466: var numauthchoices = currentform.login.length;
2467: if (typeof numauthchoices == "undefined") {
2468: return;
2469: }
2470: var i=0;
2471: while (i < numauthchoices) {
2472: if (currentform.login[i].value == newvalue) { break; }
2473: i++;
2474: }
2475: if (i == numauthchoices) {
2476: return;
2477: }
2478: current.radiovalue = newvalue;
2479: currentform.login[i].checked = true;
2480: return;
2481: }
2482: END
2483: return $result;
2484: }
2485:
2486: sub authform_authorwarning {
2487: my $result='';
2488: $result='<i>'.
2489: &mt('As a general rule, only authors or co-authors should be '.
2490: 'filesystem authenticated '.
2491: '(which allows access to the server filesystem).')."</i>\n";
2492: return $result;
2493: }
2494:
2495: sub authform_nochange {
2496: my %in = (
2497: formname => 'document.cu',
2498: kerb_def_dom => 'MSU.EDU',
2499: @_,
2500: );
2501: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2502: my $result;
2503: if (!$authnum) {
2504: $result = &mt('Under your current role you are not permitted to change login settings for this user');
2505: } else {
2506: $result = '<label>'.&mt('[_1] Do not change login data',
2507: '<input type="radio" name="login" value="nochange" '.
2508: 'checked="checked" onclick="'.
2509: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
2510: '</label>';
2511: }
2512: return $result;
2513: }
2514:
2515: sub authform_kerberos {
2516: my %in = (
2517: formname => 'document.cu',
2518: kerb_def_dom => 'MSU.EDU',
2519: kerb_def_auth => 'krb4',
2520: @_,
2521: );
2522: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2523: $autharg,$jscall);
2524: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2525: if ($in{'kerb_def_auth'} eq 'krb5') {
2526: $check5 = ' checked="checked"';
2527: } else {
2528: $check4 = ' checked="checked"';
2529: }
2530: $krbarg = $in{'kerb_def_dom'};
2531: if (defined($in{'curr_authtype'})) {
2532: if ($in{'curr_authtype'} eq 'krb') {
2533: $krbcheck = ' checked="checked"';
2534: if (defined($in{'mode'})) {
2535: if ($in{'mode'} eq 'modifyuser') {
2536: $krbcheck = '';
2537: }
2538: }
2539: if (defined($in{'curr_kerb_ver'})) {
2540: if ($in{'curr_krb_ver'} eq '5') {
2541: $check5 = ' checked="checked"';
2542: $check4 = '';
2543: } else {
2544: $check4 = ' checked="checked"';
2545: $check5 = '';
2546: }
2547: }
2548: if (defined($in{'curr_autharg'})) {
2549: $krbarg = $in{'curr_autharg'};
2550: }
2551: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2552: if (defined($in{'curr_autharg'})) {
2553: $result =
2554: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2555: $in{'curr_autharg'},$krbver);
2556: } else {
2557: $result =
2558: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2559: }
2560: return $result;
2561: }
2562: }
2563: } else {
2564: if ($authnum == 1) {
2565: $authtype = '<input type="hidden" name="login" value="krb" />';
2566: }
2567: }
2568: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2569: return;
2570: } elsif ($authtype eq '') {
2571: if (defined($in{'mode'})) {
2572: if ($in{'mode'} eq 'modifycourse') {
2573: if ($authnum == 1) {
2574: $authtype = '<input type="radio" name="login" value="krb" />';
2575: }
2576: }
2577: }
2578: }
2579: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2580: if ($authtype eq '') {
2581: $authtype = '<input type="radio" name="login" value="krb" '.
2582: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2583: $krbcheck.' />';
2584: }
2585: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2586: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2587: $in{'curr_authtype'} eq 'krb5') ||
2588: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2589: $in{'curr_authtype'} eq 'krb4')) {
2590: $result .= &mt
2591: ('[_1] Kerberos authenticated with domain [_2] '.
2592: '[_3] Version 4 [_4] Version 5 [_5]',
2593: '<label>'.$authtype,
2594: '</label><input type="text" size="10" name="krbarg" '.
2595: 'value="'.$krbarg.'" '.
2596: 'onchange="'.$jscall.'" />',
2597: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2598: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2599: '</label>');
2600: } elsif ($can_assign{'krb4'}) {
2601: $result .= &mt
2602: ('[_1] Kerberos authenticated with domain [_2] '.
2603: '[_3] Version 4 [_4]',
2604: '<label>'.$authtype,
2605: '</label><input type="text" size="10" name="krbarg" '.
2606: 'value="'.$krbarg.'" '.
2607: 'onchange="'.$jscall.'" />',
2608: '<label><input type="hidden" name="krbver" value="4" />',
2609: '</label>');
2610: } elsif ($can_assign{'krb5'}) {
2611: $result .= &mt
2612: ('[_1] Kerberos authenticated with domain [_2] '.
2613: '[_3] Version 5 [_4]',
2614: '<label>'.$authtype,
2615: '</label><input type="text" size="10" name="krbarg" '.
2616: 'value="'.$krbarg.'" '.
2617: 'onchange="'.$jscall.'" />',
2618: '<label><input type="hidden" name="krbver" value="5" />',
2619: '</label>');
2620: }
2621: return $result;
2622: }
2623:
2624: sub authform_internal {
2625: my %in = (
2626: formname => 'document.cu',
2627: kerb_def_dom => 'MSU.EDU',
2628: @_,
2629: );
2630: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2631: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2632: if (defined($in{'curr_authtype'})) {
2633: if ($in{'curr_authtype'} eq 'int') {
2634: if ($can_assign{'int'}) {
2635: $intcheck = 'checked="checked" ';
2636: if (defined($in{'mode'})) {
2637: if ($in{'mode'} eq 'modifyuser') {
2638: $intcheck = '';
2639: }
2640: }
2641: if (defined($in{'curr_autharg'})) {
2642: $intarg = $in{'curr_autharg'};
2643: }
2644: } else {
2645: $result = &mt('Currently internally authenticated.');
2646: return $result;
2647: }
2648: }
2649: } else {
2650: if ($authnum == 1) {
2651: $authtype = '<input type="hidden" name="login" value="int" />';
2652: }
2653: }
2654: if (!$can_assign{'int'}) {
2655: return;
2656: } elsif ($authtype eq '') {
2657: if (defined($in{'mode'})) {
2658: if ($in{'mode'} eq 'modifycourse') {
2659: if ($authnum == 1) {
2660: $authtype = '<input type="radio" name="login" value="int" />';
2661: }
2662: }
2663: }
2664: }
2665: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2666: if ($authtype eq '') {
2667: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2668: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2669: }
2670: $autharg = '<input type="password" size="10" name="intarg" value="'.
2671: $intarg.'" onchange="'.$jscall.'" />';
2672: $result = &mt
2673: ('[_1] Internally authenticated (with initial password [_2])',
2674: '<label>'.$authtype,'</label>'.$autharg);
2675: $result.="<label><input type=\"checkbox\" name=\"visible\" onclick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
2676: return $result;
2677: }
2678:
2679: sub authform_local {
2680: my %in = (
2681: formname => 'document.cu',
2682: kerb_def_dom => 'MSU.EDU',
2683: @_,
2684: );
2685: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2686: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2687: if (defined($in{'curr_authtype'})) {
2688: if ($in{'curr_authtype'} eq 'loc') {
2689: if ($can_assign{'loc'}) {
2690: $loccheck = 'checked="checked" ';
2691: if (defined($in{'mode'})) {
2692: if ($in{'mode'} eq 'modifyuser') {
2693: $loccheck = '';
2694: }
2695: }
2696: if (defined($in{'curr_autharg'})) {
2697: $locarg = $in{'curr_autharg'};
2698: }
2699: } else {
2700: $result = &mt('Currently using local (institutional) authentication.');
2701: return $result;
2702: }
2703: }
2704: } else {
2705: if ($authnum == 1) {
2706: $authtype = '<input type="hidden" name="login" value="loc" />';
2707: }
2708: }
2709: if (!$can_assign{'loc'}) {
2710: return;
2711: } elsif ($authtype eq '') {
2712: if (defined($in{'mode'})) {
2713: if ($in{'mode'} eq 'modifycourse') {
2714: if ($authnum == 1) {
2715: $authtype = '<input type="radio" name="login" value="loc" />';
2716: }
2717: }
2718: }
2719: }
2720: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2721: if ($authtype eq '') {
2722: $authtype = '<input type="radio" name="login" value="loc" '.
2723: $loccheck.' onchange="'.$jscall.'" onclick="'.
2724: $jscall.'" />';
2725: }
2726: $autharg = '<input type="text" size="10" name="locarg" value="'.
2727: $locarg.'" onchange="'.$jscall.'" />';
2728: $result = &mt('[_1] Local Authentication with argument [_2]',
2729: '<label>'.$authtype,'</label>'.$autharg);
2730: return $result;
2731: }
2732:
2733: sub authform_filesystem {
2734: my %in = (
2735: formname => 'document.cu',
2736: kerb_def_dom => 'MSU.EDU',
2737: @_,
2738: );
2739: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2740: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2741: if (defined($in{'curr_authtype'})) {
2742: if ($in{'curr_authtype'} eq 'fsys') {
2743: if ($can_assign{'fsys'}) {
2744: $fsyscheck = 'checked="checked" ';
2745: if (defined($in{'mode'})) {
2746: if ($in{'mode'} eq 'modifyuser') {
2747: $fsyscheck = '';
2748: }
2749: }
2750: } else {
2751: $result = &mt('Currently Filesystem Authenticated.');
2752: return $result;
2753: }
2754: }
2755: } else {
2756: if ($authnum == 1) {
2757: $authtype = '<input type="hidden" name="login" value="fsys" />';
2758: }
2759: }
2760: if (!$can_assign{'fsys'}) {
2761: return;
2762: } elsif ($authtype eq '') {
2763: if (defined($in{'mode'})) {
2764: if ($in{'mode'} eq 'modifycourse') {
2765: if ($authnum == 1) {
2766: $authtype = '<input type="radio" name="login" value="fsys" />';
2767: }
2768: }
2769: }
2770: }
2771: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2772: if ($authtype eq '') {
2773: $authtype = '<input type="radio" name="login" value="fsys" '.
2774: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2775: $jscall.'" />';
2776: }
2777: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2778: ' onchange="'.$jscall.'" />';
2779: $result = &mt
2780: ('[_1] Filesystem Authenticated (with initial password [_2])',
2781: '<label><input type="radio" name="login" value="fsys" '.
2782: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
2783: '</label><input type="password" size="10" name="fsysarg" value="" '.
2784: 'onchange="'.$jscall.'" />');
2785: return $result;
2786: }
2787:
2788: sub get_assignable_auth {
2789: my ($dom) = @_;
2790: if ($dom eq '') {
2791: $dom = $env{'request.role.domain'};
2792: }
2793: my %can_assign = (
2794: krb4 => 1,
2795: krb5 => 1,
2796: int => 1,
2797: loc => 1,
2798: );
2799: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2800: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2801: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2802: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2803: my $context;
2804: if ($env{'request.role'} =~ /^au/) {
2805: $context = 'author';
2806: } elsif ($env{'request.role'} =~ /^dc/) {
2807: $context = 'domain';
2808: } elsif ($env{'request.course.id'}) {
2809: $context = 'course';
2810: }
2811: if ($context) {
2812: if (ref($authhash->{$context}) eq 'HASH') {
2813: %can_assign = %{$authhash->{$context}};
2814: }
2815: }
2816: }
2817: }
2818: my $authnum = 0;
2819: foreach my $key (keys(%can_assign)) {
2820: if ($can_assign{$key}) {
2821: $authnum ++;
2822: }
2823: }
2824: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2825: $authnum --;
2826: }
2827: return ($authnum,%can_assign);
2828: }
2829:
2830: ###############################################################
2831: ## Get Kerberos Defaults for Domain ##
2832: ###############################################################
2833: ##
2834: ## Returns default kerberos version and an associated argument
2835: ## as listed in file domain.tab. If not listed, provides
2836: ## appropriate default domain and kerberos version.
2837: ##
2838: #-------------------------------------------
2839:
2840: =pod
2841:
2842: =item * &get_kerberos_defaults()
2843:
2844: get_kerberos_defaults($target_domain) returns the default kerberos
2845: version and domain. If not found, it defaults to version 4 and the
2846: domain of the server.
2847:
2848: =over 4
2849:
2850: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2851:
2852: =back
2853:
2854: =back
2855:
2856: =cut
2857:
2858: #-------------------------------------------
2859: sub get_kerberos_defaults {
2860: my $domain=shift;
2861: my ($krbdef,$krbdefdom);
2862: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2863: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2864: $krbdef = $domdefaults{'auth_def'};
2865: $krbdefdom = $domdefaults{'auth_arg_def'};
2866: } else {
2867: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2868: my $krbdefdom=$1;
2869: $krbdefdom=~tr/a-z/A-Z/;
2870: $krbdef = "krb4";
2871: }
2872: return ($krbdef,$krbdefdom);
2873: }
2874:
2875:
2876: ###############################################################
2877: ## Thesaurus Functions ##
2878: ###############################################################
2879:
2880: =pod
2881:
2882: =head1 Thesaurus Functions
2883:
2884: =over 4
2885:
2886: =item * &initialize_keywords()
2887:
2888: Initializes the package variable %Keywords if it is empty. Uses the
2889: package variable $thesaurus_db_file.
2890:
2891: =cut
2892:
2893: ###################################################
2894:
2895: sub initialize_keywords {
2896: return 1 if (scalar keys(%Keywords));
2897: # If we are here, %Keywords is empty, so fill it up
2898: # Make sure the file we need exists...
2899: if (! -e $thesaurus_db_file) {
2900: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2901: " failed because it does not exist");
2902: return 0;
2903: }
2904: # Set up the hash as a database
2905: my %thesaurus_db;
2906: if (! tie(%thesaurus_db,'GDBM_File',
2907: $thesaurus_db_file,&GDBM_READER(),0640)){
2908: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2909: $thesaurus_db_file);
2910: return 0;
2911: }
2912: # Get the average number of appearances of a word.
2913: my $avecount = $thesaurus_db{'average.count'};
2914: # Put keywords (those that appear > average) into %Keywords
2915: while (my ($word,$data)=each (%thesaurus_db)) {
2916: my ($count,undef) = split /:/,$data;
2917: $Keywords{$word}++ if ($count > $avecount);
2918: }
2919: untie %thesaurus_db;
2920: # Remove special values from %Keywords.
2921: foreach my $value ('total.count','average.count') {
2922: delete($Keywords{$value}) if (exists($Keywords{$value}));
2923: }
2924: return 1;
2925: }
2926:
2927: ###################################################
2928:
2929: =pod
2930:
2931: =item * &keyword($word)
2932:
2933: Returns true if $word is a keyword. A keyword is a word that appears more
2934: than the average number of times in the thesaurus database. Calls
2935: &initialize_keywords
2936:
2937: =cut
2938:
2939: ###################################################
2940:
2941: sub keyword {
2942: return if (!&initialize_keywords());
2943: my $word=lc(shift());
2944: $word=~s/\W//g;
2945: return exists($Keywords{$word});
2946: }
2947:
2948: ###############################################################
2949:
2950: =pod
2951:
2952: =item * &get_related_words()
2953:
2954: Look up a word in the thesaurus. Takes a scalar argument and returns
2955: an array of words. If the keyword is not in the thesaurus, an empty array
2956: will be returned. The order of the words returned is determined by the
2957: database which holds them.
2958:
2959: Uses global $thesaurus_db_file.
2960:
2961:
2962: =cut
2963:
2964: ###############################################################
2965: sub get_related_words {
2966: my $keyword = shift;
2967: my %thesaurus_db;
2968: if (! -e $thesaurus_db_file) {
2969: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2970: "failed because the file does not exist");
2971: return ();
2972: }
2973: if (! tie(%thesaurus_db,'GDBM_File',
2974: $thesaurus_db_file,&GDBM_READER(),0640)){
2975: return ();
2976: }
2977: my @Words=();
2978: my $count=0;
2979: if (exists($thesaurus_db{$keyword})) {
2980: # The first element is the number of times
2981: # the word appears. We do not need it now.
2982: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2983: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2984: my $threshold=$mostfrequentcount/10;
2985: foreach my $possibleword (@RelatedWords) {
2986: my ($word,$wordcount)=split(/\,/,$possibleword);
2987: if ($wordcount>$threshold) {
2988: push(@Words,$word);
2989: $count++;
2990: if ($count>10) { last; }
2991: }
2992: }
2993: }
2994: untie %thesaurus_db;
2995: return @Words;
2996: }
2997:
2998: =pod
2999:
3000: =back
3001:
3002: =cut
3003:
3004: # -------------------------------------------------------------- Plaintext name
3005: =pod
3006:
3007: =head1 User Name Functions
3008:
3009: =over 4
3010:
3011: =item * &plainname($uname,$udom,$first)
3012:
3013: Takes a users logon name and returns it as a string in
3014: "first middle last generation" form
3015: if $first is set to 'lastname' then it returns it as
3016: 'lastname generation, firstname middlename' if their is a lastname
3017:
3018: =cut
3019:
3020:
3021: ###############################################################
3022: sub plainname {
3023: my ($uname,$udom,$first)=@_;
3024: return if (!defined($uname) || !defined($udom));
3025: my %names=&getnames($uname,$udom);
3026: my $name=&Apache::lonnet::format_name($names{'firstname'},
3027: $names{'middlename'},
3028: $names{'lastname'},
3029: $names{'generation'},$first);
3030: $name=~s/^\s+//;
3031: $name=~s/\s+$//;
3032: $name=~s/\s+/ /g;
3033: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
3034: return $name;
3035: }
3036:
3037: # -------------------------------------------------------------------- Nickname
3038: =pod
3039:
3040: =item * &nickname($uname,$udom)
3041:
3042: Gets a users name and returns it as a string as
3043:
3044: ""nickname""
3045:
3046: if the user has a nickname or
3047:
3048: "first middle last generation"
3049:
3050: if the user does not
3051:
3052: =cut
3053:
3054: sub nickname {
3055: my ($uname,$udom)=@_;
3056: return if (!defined($uname) || !defined($udom));
3057: my %names=&getnames($uname,$udom);
3058: my $name=$names{'nickname'};
3059: if ($name) {
3060: $name='"'.$name.'"';
3061: } else {
3062: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
3063: $names{'lastname'}.' '.$names{'generation'};
3064: $name=~s/\s+$//;
3065: $name=~s/\s+/ /g;
3066: }
3067: return $name;
3068: }
3069:
3070: sub getnames {
3071: my ($uname,$udom)=@_;
3072: return if (!defined($uname) || !defined($udom));
3073: if ($udom eq 'public' && $uname eq 'public') {
3074: return ('lastname' => &mt('Public'));
3075: }
3076: my $id=$uname.':'.$udom;
3077: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
3078: if ($cached) {
3079: return %{$names};
3080: } else {
3081: my %loadnames=&Apache::lonnet::get('environment',
3082: ['firstname','middlename','lastname','generation','nickname'],
3083: $udom,$uname);
3084: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
3085: return %loadnames;
3086: }
3087: }
3088:
3089: # -------------------------------------------------------------------- getemails
3090:
3091: =pod
3092:
3093: =item * &getemails($uname,$udom)
3094:
3095: Gets a user's email information and returns it as a hash with keys:
3096: notification, critnotification, permanentemail
3097:
3098: For notification and critnotification, values are comma-separated lists
3099: of e-mail addresses; for permanentemail, value is a single e-mail address.
3100:
3101:
3102: =cut
3103:
3104:
3105: sub getemails {
3106: my ($uname,$udom)=@_;
3107: if ($udom eq 'public' && $uname eq 'public') {
3108: return;
3109: }
3110: if (!$udom) { $udom=$env{'user.domain'}; }
3111: if (!$uname) { $uname=$env{'user.name'}; }
3112: my $id=$uname.':'.$udom;
3113: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
3114: if ($cached) {
3115: return %{$names};
3116: } else {
3117: my %loadnames=&Apache::lonnet::get('environment',
3118: ['notification','critnotification',
3119: 'permanentemail'],
3120: $udom,$uname);
3121: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
3122: return %loadnames;
3123: }
3124: }
3125:
3126: sub flush_email_cache {
3127: my ($uname,$udom)=@_;
3128: if (!$udom) { $udom =$env{'user.domain'}; }
3129: if (!$uname) { $uname=$env{'user.name'}; }
3130: return if ($udom eq 'public' && $uname eq 'public');
3131: my $id=$uname.':'.$udom;
3132: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
3133: }
3134:
3135: # -------------------------------------------------------------------- getlangs
3136:
3137: =pod
3138:
3139: =item * &getlangs($uname,$udom)
3140:
3141: Gets a user's language preference and returns it as a hash with key:
3142: language.
3143:
3144: =cut
3145:
3146:
3147: sub getlangs {
3148: my ($uname,$udom) = @_;
3149: if (!$udom) { $udom =$env{'user.domain'}; }
3150: if (!$uname) { $uname=$env{'user.name'}; }
3151: my $id=$uname.':'.$udom;
3152: my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
3153: if ($cached) {
3154: return %{$langs};
3155: } else {
3156: my %loadlangs=&Apache::lonnet::get('environment',['languages'],
3157: $udom,$uname);
3158: &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
3159: return %loadlangs;
3160: }
3161: }
3162:
3163: sub flush_langs_cache {
3164: my ($uname,$udom)=@_;
3165: if (!$udom) { $udom =$env{'user.domain'}; }
3166: if (!$uname) { $uname=$env{'user.name'}; }
3167: return if ($udom eq 'public' && $uname eq 'public');
3168: my $id=$uname.':'.$udom;
3169: &Apache::lonnet::devalidate_cache_new('userlangs',$id);
3170: }
3171:
3172: # ------------------------------------------------------------------ Screenname
3173:
3174: =pod
3175:
3176: =item * &screenname($uname,$udom)
3177:
3178: Gets a users screenname and returns it as a string
3179:
3180: =cut
3181:
3182: sub screenname {
3183: my ($uname,$udom)=@_;
3184: if ($uname eq $env{'user.name'} &&
3185: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
3186: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
3187: return $names{'screenname'};
3188: }
3189:
3190:
3191: # ------------------------------------------------------------- Confirm Wrapper
3192: =pod
3193:
3194: =item confirmwrapper
3195:
3196: Wrap messages about completion of operation in box
3197:
3198: =cut
3199:
3200: sub confirmwrapper {
3201: my ($message)=@_;
3202: if ($message) {
3203: return "\n".'<div class="LC_confirm_box">'."\n"
3204: .$message."\n"
3205: .'</div>'."\n";
3206: } else {
3207: return $message;
3208: }
3209: }
3210:
3211: # ------------------------------------------------------------- Message Wrapper
3212:
3213: sub messagewrapper {
3214: my ($link,$username,$domain,$subject,$text)=@_;
3215: return
3216: '<a href="/adm/email?compose=individual&'.
3217: 'recname='.$username.'&recdom='.$domain.
3218: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
3219: 'title="'.&mt('Send message').'">'.$link.'</a>';
3220: }
3221:
3222: # --------------------------------------------------------------- Notes Wrapper
3223:
3224: sub noteswrapper {
3225: my ($link,$un,$do)=@_;
3226: return
3227: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
3228: }
3229:
3230: # ------------------------------------------------------------- Aboutme Wrapper
3231:
3232: sub aboutmewrapper {
3233: my ($link,$username,$domain,$target,$class)=@_;
3234: if (!defined($username) && !defined($domain)) {
3235: return;
3236: }
3237: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
3238: ($target?' target="'.$target.'"':'').($class?' class="'.$class.'"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
3239: }
3240:
3241: # ------------------------------------------------------------ Syllabus Wrapper
3242:
3243: sub syllabuswrapper {
3244: my ($linktext,$coursedir,$domain)=@_;
3245: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
3246: }
3247:
3248: # -----------------------------------------------------------------------------
3249:
3250: sub track_student_link {
3251: my ($linktext,$sname,$sdom,$target,$start,$only_body) = @_;
3252: my $link ="/adm/trackstudent?";
3253: my $title = 'View recent activity';
3254: if (defined($sname) && $sname !~ /^\s*$/ &&
3255: defined($sdom) && $sdom !~ /^\s*$/) {
3256: $link .= "selected_student=$sname:$sdom";
3257: $title .= ' of this student';
3258: }
3259: if (defined($target) && $target !~ /^\s*$/) {
3260: $target = qq{target="$target"};
3261: } else {
3262: $target = '';
3263: }
3264: if ($start) { $link.='&start='.$start; }
3265: if ($only_body) { $link .= '&only_body=1'; }
3266: $title = &mt($title);
3267: $linktext = &mt($linktext);
3268: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
3269: &help_open_topic('View_recent_activity');
3270: }
3271:
3272: sub slot_reservations_link {
3273: my ($linktext,$sname,$sdom,$target) = @_;
3274: my $link ="/adm/slotrequest?command=showresv&origin=aboutme";
3275: my $title = 'View slot reservation history';
3276: if (defined($sname) && $sname !~ /^\s*$/ &&
3277: defined($sdom) && $sdom !~ /^\s*$/) {
3278: $link .= "&uname=$sname&udom=$sdom";
3279: $title .= ' of this student';
3280: }
3281: if (defined($target) && $target !~ /^\s*$/) {
3282: $target = qq{target="$target"};
3283: } else {
3284: $target = '';
3285: }
3286: $title = &mt($title);
3287: $linktext = &mt($linktext);
3288: return qq{<a href="$link" title="$title" $target>$linktext</a>};
3289: # FIXME uncomment when help item created: &help_open_topic('Slot_Reservation_History');
3290:
3291: }
3292:
3293: # ===================================================== Display a student photo
3294:
3295:
3296: sub student_image_tag {
3297: my ($domain,$user)=@_;
3298: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
3299: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
3300: return '<img src="'.$imgsrc.'" align="right" />';
3301: } else {
3302: return '';
3303: }
3304: }
3305:
3306: =pod
3307:
3308: =back
3309:
3310: =head1 Access .tab File Data
3311:
3312: =over 4
3313:
3314: =item * &languageids()
3315:
3316: returns list of all language ids
3317:
3318: =cut
3319:
3320: sub languageids {
3321: return sort(keys(%language));
3322: }
3323:
3324: =pod
3325:
3326: =item * &languagedescription()
3327:
3328: returns description of a specified language id
3329:
3330: =cut
3331:
3332: sub languagedescription {
3333: my $code=shift;
3334: return ($supported_language{$code}?'* ':'').
3335: $language{$code}.
3336: ($supported_language{$code}?' ('.&mt('interface available').')':'');
3337: }
3338:
3339: =pod
3340:
3341: =item * &plainlanguagedescription
3342:
3343: Returns both the plain language description (e.g. 'Creoles and Pidgins, English-based (Other)')
3344: and the language character encoding (e.g. ISO) separated by a ' - ' string.
3345:
3346: =cut
3347:
3348: sub plainlanguagedescription {
3349: my $code=shift;
3350: return $language{$code};
3351: }
3352:
3353: =pod
3354:
3355: =item * &supportedlanguagecode
3356:
3357: Returns the supported language code (e.g. sptutf maps to pt) given a language
3358: code.
3359:
3360: =cut
3361:
3362: sub supportedlanguagecode {
3363: my $code=shift;
3364: return $supported_language{$code};
3365: }
3366:
3367: =pod
3368:
3369: =item * &latexlanguage()
3370:
3371: Given a language key code returns the correspondnig language to use
3372: to select the correct hyphenation on LaTeX printouts. This is undef if there
3373: is no supported hyphenation for the language code.
3374:
3375: =cut
3376:
3377: sub latexlanguage {
3378: my $code = shift;
3379: return $latex_language{$code};
3380: }
3381:
3382: =pod
3383:
3384: =item * &latexhyphenation()
3385:
3386: Same as above but what's supplied is the language as it might be stored
3387: in the metadata.
3388:
3389: =cut
3390:
3391: sub latexhyphenation {
3392: my $key = shift;
3393: return $latex_language_bykey{$key};
3394: }
3395:
3396: =pod
3397:
3398: =item * ©rightids()
3399:
3400: returns list of all copyrights
3401:
3402: =cut
3403:
3404: sub copyrightids {
3405: return sort(keys(%cprtag));
3406: }
3407:
3408: =pod
3409:
3410: =item * ©rightdescription()
3411:
3412: returns description of a specified copyright id
3413:
3414: =cut
3415:
3416: sub copyrightdescription {
3417: return &mt($cprtag{shift(@_)});
3418: }
3419:
3420: =pod
3421:
3422: =item * &source_copyrightids()
3423:
3424: returns list of all source copyrights
3425:
3426: =cut
3427:
3428: sub source_copyrightids {
3429: return sort(keys(%scprtag));
3430: }
3431:
3432: =pod
3433:
3434: =item * &source_copyrightdescription()
3435:
3436: returns description of a specified source copyright id
3437:
3438: =cut
3439:
3440: sub source_copyrightdescription {
3441: return &mt($scprtag{shift(@_)});
3442: }
3443:
3444: =pod
3445:
3446: =item * &filecategories()
3447:
3448: returns list of all file categories
3449:
3450: =cut
3451:
3452: sub filecategories {
3453: return sort(keys(%category_extensions));
3454: }
3455:
3456: =pod
3457:
3458: =item * &filecategorytypes()
3459:
3460: returns list of file types belonging to a given file
3461: category
3462:
3463: =cut
3464:
3465: sub filecategorytypes {
3466: my ($cat) = @_;
3467: return @{$category_extensions{lc($cat)}};
3468: }
3469:
3470: =pod
3471:
3472: =item * &fileembstyle()
3473:
3474: returns embedding style for a specified file type
3475:
3476: =cut
3477:
3478: sub fileembstyle {
3479: return $fe{lc(shift(@_))};
3480: }
3481:
3482: sub filemimetype {
3483: return $fm{lc(shift(@_))};
3484: }
3485:
3486:
3487: sub filecategoryselect {
3488: my ($name,$value)=@_;
3489: return &select_form($value,$name,
3490: {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
3491: }
3492:
3493: =pod
3494:
3495: =item * &filedescription()
3496:
3497: returns description for a specified file type
3498:
3499: =cut
3500:
3501: sub filedescription {
3502: my $file_description = $fd{lc(shift())};
3503: $file_description =~ s:([\[\]]):~$1:g;
3504: return &mt($file_description);
3505: }
3506:
3507: =pod
3508:
3509: =item * &filedescriptionex()
3510:
3511: returns description for a specified file type with
3512: extra formatting
3513:
3514: =cut
3515:
3516: sub filedescriptionex {
3517: my $ex=shift;
3518: my $file_description = $fd{lc($ex)};
3519: $file_description =~ s:([\[\]]):~$1:g;
3520: return '.'.$ex.' '.&mt($file_description);
3521: }
3522:
3523: # End of .tab access
3524: =pod
3525:
3526: =back
3527:
3528: =cut
3529:
3530: # ------------------------------------------------------------------ File Types
3531: sub fileextensions {
3532: return sort(keys(%fe));
3533: }
3534:
3535: # ----------------------------------------------------------- Display Languages
3536: # returns a hash with all desired display languages
3537: #
3538:
3539: sub display_languages {
3540: my %languages=();
3541: foreach my $lang (&Apache::lonlocal::preferred_languages()) {
3542: $languages{$lang}=1;
3543: }
3544: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
3545: if ($env{'form.displaylanguage'}) {
3546: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
3547: $languages{$lang}=1;
3548: }
3549: }
3550: return %languages;
3551: }
3552:
3553: sub languages {
3554: my ($possible_langs) = @_;
3555: my @preferred_langs = &Apache::lonlocal::preferred_languages();
3556: if (!ref($possible_langs)) {
3557: if( wantarray ) {
3558: return @preferred_langs;
3559: } else {
3560: return $preferred_langs[0];
3561: }
3562: }
3563: my %possibilities = map { $_ => 1 } (@$possible_langs);
3564: my @preferred_possibilities;
3565: foreach my $preferred_lang (@preferred_langs) {
3566: if (exists($possibilities{$preferred_lang})) {
3567: push(@preferred_possibilities, $preferred_lang);
3568: }
3569: }
3570: if( wantarray ) {
3571: return @preferred_possibilities;
3572: }
3573: return $preferred_possibilities[0];
3574: }
3575:
3576: sub user_lang {
3577: my ($touname,$toudom,$fromcid) = @_;
3578: my @userlangs;
3579: if (($fromcid ne '') && ($env{'course.'.$fromcid.'.languages'} ne '')) {
3580: @userlangs=(@userlangs,split(/\s*(\,|\;|\:)\s*/,
3581: $env{'course.'.$fromcid.'.languages'}));
3582: } else {
3583: my %langhash = &getlangs($touname,$toudom);
3584: if ($langhash{'languages'} ne '') {
3585: @userlangs = split(/\s*(\,|\;|\:)\s*/,$langhash{'languages'});
3586: } else {
3587: my %domdefs = &Apache::lonnet::get_domain_defaults($toudom);
3588: if ($domdefs{'lang_def'} ne '') {
3589: @userlangs = ($domdefs{'lang_def'});
3590: }
3591: }
3592: }
3593: my @languages=&Apache::lonlocal::get_genlanguages(@userlangs);
3594: my $user_lh = Apache::localize->get_handle(@languages);
3595: return $user_lh;
3596: }
3597:
3598:
3599: ###############################################################
3600: ## Student Answer Attempts ##
3601: ###############################################################
3602:
3603: =pod
3604:
3605: =head1 Alternate Problem Views
3606:
3607: =over 4
3608:
3609: =item * &get_previous_attempt($symb, $username, $domain, $course,
3610: $getattempt, $regexp, $gradesub)
3611:
3612: Return string with previous attempt on problem. Arguments:
3613:
3614: =over 4
3615:
3616: =item * $symb: Problem, including path
3617:
3618: =item * $username: username of the desired student
3619:
3620: =item * $domain: domain of the desired student
3621:
3622: =item * $course: Course ID
3623:
3624: =item * $getattempt: Leave blank for all attempts, otherwise put
3625: something
3626:
3627: =item * $regexp: if string matches this regexp, the string will be
3628: sent to $gradesub
3629:
3630: =item * $gradesub: routine that processes the string if it matches $regexp
3631:
3632: =back
3633:
3634: The output string is a table containing all desired attempts, if any.
3635:
3636: =cut
3637:
3638: sub get_previous_attempt {
3639: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
3640: my $prevattempts='';
3641: no strict 'refs';
3642: if ($symb) {
3643: my (%returnhash)=
3644: &Apache::lonnet::restore($symb,$course,$domain,$username);
3645: if ($returnhash{'version'}) {
3646: my %lasthash=();
3647: my $version;
3648: for ($version=1;$version<=$returnhash{'version'};$version++) {
3649: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3650: $lasthash{$key}=$returnhash{$version.':'.$key};
3651: }
3652: }
3653: $prevattempts=&start_data_table().&start_data_table_header_row();
3654: $prevattempts.='<th>'.&mt('History').'</th>';
3655: my (%typeparts,%lasthidden);
3656: my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
3657: foreach my $key (sort(keys(%lasthash))) {
3658: my ($ign,@parts) = split(/\./,$key);
3659: if ($#parts > 0) {
3660: my $data=$parts[-1];
3661: next if ($data eq 'foilorder');
3662: pop(@parts);
3663: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
3664: if ($data eq 'type') {
3665: unless ($showsurv) {
3666: my $id = join(',',@parts);
3667: $typeparts{$ign.'.'.$id} = $lasthash{$key};
3668: if (($lasthash{$key} eq 'anonsurvey') || ($lasthash{$key} eq 'anonsurveycred')) {
3669: $lasthidden{$ign.'.'.$id} = 1;
3670: }
3671: }
3672: }
3673: } else {
3674: if ($#parts == 0) {
3675: $prevattempts.='<th>'.$parts[0].'</th>';
3676: } else {
3677: $prevattempts.='<th>'.$ign.'</th>';
3678: }
3679: }
3680: }
3681: $prevattempts.=&end_data_table_header_row();
3682: if ($getattempt eq '') {
3683: for ($version=1;$version<=$returnhash{'version'};$version++) {
3684: my @hidden;
3685: if (%typeparts) {
3686: foreach my $id (keys(%typeparts)) {
3687: if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
3688: push(@hidden,$id);
3689: }
3690: }
3691: }
3692: $prevattempts.=&start_data_table_row().
3693: '<td>'.&mt('Transaction [_1]',$version).'</td>';
3694: if (@hidden) {
3695: foreach my $key (sort(keys(%lasthash))) {
3696: next if ($key =~ /\.foilorder$/);
3697: my $hide;
3698: foreach my $id (@hidden) {
3699: if ($key =~ /^\Q$id\E/) {
3700: $hide = 1;
3701: last;
3702: }
3703: }
3704: if ($hide) {
3705: my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
3706: if (($data eq 'award') || ($data eq 'awarddetail')) {
3707: my $value = &format_previous_attempt_value($key,
3708: $returnhash{$version.':'.$key});
3709: $prevattempts.='<td>'.$value.' </td>';
3710: } else {
3711: $prevattempts.='<td> </td>';
3712: }
3713: } else {
3714: if ($key =~ /\./) {
3715: my $value = &format_previous_attempt_value($key,
3716: $returnhash{$version.':'.$key});
3717: $prevattempts.='<td>'.$value.' </td>';
3718: } else {
3719: $prevattempts.='<td> </td>';
3720: }
3721: }
3722: }
3723: } else {
3724: foreach my $key (sort(keys(%lasthash))) {
3725: next if ($key =~ /\.foilorder$/);
3726: my $value = &format_previous_attempt_value($key,
3727: $returnhash{$version.':'.$key});
3728: $prevattempts.='<td>'.$value.' </td>';
3729: }
3730: }
3731: $prevattempts.=&end_data_table_row();
3732: }
3733: }
3734: my @currhidden = keys(%lasthidden);
3735: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
3736: foreach my $key (sort(keys(%lasthash))) {
3737: next if ($key =~ /\.foilorder$/);
3738: if (%typeparts) {
3739: my $hidden;
3740: foreach my $id (@currhidden) {
3741: if ($key =~ /^\Q$id\E/) {
3742: $hidden = 1;
3743: last;
3744: }
3745: }
3746: if ($hidden) {
3747: my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
3748: if (($data eq 'award') || ($data eq 'awarddetail')) {
3749: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3750: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3751: $value = &$gradesub($value);
3752: }
3753: $prevattempts.='<td>'.$value.' </td>';
3754: } else {
3755: $prevattempts.='<td> </td>';
3756: }
3757: } else {
3758: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3759: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3760: $value = &$gradesub($value);
3761: }
3762: $prevattempts.='<td>'.$value.' </td>';
3763: }
3764: } else {
3765: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3766: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3767: $value = &$gradesub($value);
3768: }
3769: $prevattempts.='<td>'.$value.' </td>';
3770: }
3771: }
3772: $prevattempts.= &end_data_table_row().&end_data_table();
3773: } else {
3774: $prevattempts=
3775: &start_data_table().&start_data_table_row().
3776: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3777: &end_data_table_row().&end_data_table();
3778: }
3779: } else {
3780: $prevattempts=
3781: &start_data_table().&start_data_table_row().
3782: '<td>'.&mt('No data.').'</td>'.
3783: &end_data_table_row().&end_data_table();
3784: }
3785: }
3786:
3787: sub format_previous_attempt_value {
3788: my ($key,$value) = @_;
3789: if (($key =~ /timestamp/) || ($key=~/duedate/)) {
3790: $value = &Apache::lonlocal::locallocaltime($value);
3791: } elsif (ref($value) eq 'ARRAY') {
3792: $value = '('.join(', ', @{ $value }).')';
3793: } elsif ($key =~ /answerstring$/) {
3794: my %answers = &Apache::lonnet::str2hash($value);
3795: my @anskeys = sort(keys(%answers));
3796: if (@anskeys == 1) {
3797: my $answer = $answers{$anskeys[0]};
3798: if ($answer =~ m{\0}) {
3799: $answer =~ s{\0}{,}g;
3800: }
3801: my $tag_internal_answer_name = 'INTERNAL';
3802: if ($anskeys[0] eq $tag_internal_answer_name) {
3803: $value = $answer;
3804: } else {
3805: $value = $anskeys[0].'='.$answer;
3806: }
3807: } else {
3808: foreach my $ans (@anskeys) {
3809: my $answer = $answers{$ans};
3810: if ($answer =~ m{\0}) {
3811: $answer =~ s{\0}{,}g;
3812: }
3813: $value .= $ans.'='.$answer.'<br />';;
3814: }
3815: }
3816: } else {
3817: $value = &unescape($value);
3818: }
3819: return $value;
3820: }
3821:
3822:
3823: sub relative_to_absolute {
3824: my ($url,$output)=@_;
3825: my $parser=HTML::TokeParser->new(\$output);
3826: my $token;
3827: my $thisdir=$url;
3828: my @rlinks=();
3829: while ($token=$parser->get_token) {
3830: if ($token->[0] eq 'S') {
3831: if ($token->[1] eq 'a') {
3832: if ($token->[2]->{'href'}) {
3833: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3834: }
3835: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3836: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3837: } elsif ($token->[1] eq 'base') {
3838: $thisdir=$token->[2]->{'href'};
3839: }
3840: }
3841: }
3842: $thisdir=~s-/[^/]*$--;
3843: foreach my $link (@rlinks) {
3844: unless (($link=~/^https?\:\/\//i) ||
3845: ($link=~/^\//) ||
3846: ($link=~/^javascript:/i) ||
3847: ($link=~/^mailto:/i) ||
3848: ($link=~/^\#/)) {
3849: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3850: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
3851: }
3852: }
3853: # -------------------------------------------------- Deal with Applet codebases
3854: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3855: return $output;
3856: }
3857:
3858: =pod
3859:
3860: =item * &get_student_view()
3861:
3862: show a snapshot of what student was looking at
3863:
3864: =cut
3865:
3866: sub get_student_view {
3867: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
3868: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3869: my (%form);
3870: my @elements=('symb','courseid','domain','username');
3871: foreach my $element (@elements) {
3872: $form{'grade_'.$element}=eval '$'.$element #'
3873: }
3874: if (defined($moreenv)) {
3875: %form=(%form,%{$moreenv});
3876: }
3877: if (defined($target)) { $form{'grade_target'} = $target; }
3878: $feedurl=&Apache::lonnet::clutter($feedurl);
3879: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
3880: $userview=~s/\<body[^\>]*\>//gi;
3881: $userview=~s/\<\/body\>//gi;
3882: $userview=~s/\<html\>//gi;
3883: $userview=~s/\<\/html\>//gi;
3884: $userview=~s/\<head\>//gi;
3885: $userview=~s/\<\/head\>//gi;
3886: $userview=~s/action\s*\=/would_be_action\=/gi;
3887: $userview=&relative_to_absolute($feedurl,$userview);
3888: if (wantarray) {
3889: return ($userview,$response);
3890: } else {
3891: return $userview;
3892: }
3893: }
3894:
3895: sub get_student_view_with_retries {
3896: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3897:
3898: my $ok = 0; # True if we got a good response.
3899: my $content;
3900: my $response;
3901:
3902: # Try to get the student_view done. within the retries count:
3903:
3904: do {
3905: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3906: $ok = $response->is_success;
3907: if (!$ok) {
3908: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3909: }
3910: $retries--;
3911: } while (!$ok && ($retries > 0));
3912:
3913: if (!$ok) {
3914: $content = ''; # On error return an empty content.
3915: }
3916: if (wantarray) {
3917: return ($content, $response);
3918: } else {
3919: return $content;
3920: }
3921: }
3922:
3923: =pod
3924:
3925: =item * &get_student_answers()
3926:
3927: show a snapshot of how student was answering problem
3928:
3929: =cut
3930:
3931: sub get_student_answers {
3932: my ($symb,$username,$domain,$courseid,%form) = @_;
3933: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3934: my (%moreenv);
3935: my @elements=('symb','courseid','domain','username');
3936: foreach my $element (@elements) {
3937: $moreenv{'grade_'.$element}=eval '$'.$element #'
3938: }
3939: $moreenv{'grade_target'}='answer';
3940: %moreenv=(%form,%moreenv);
3941: $feedurl = &Apache::lonnet::clutter($feedurl);
3942: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
3943: return $userview;
3944: }
3945:
3946: =pod
3947:
3948: =item * &submlink()
3949:
3950: Inputs: $text $uname $udom $symb $target
3951:
3952: Returns: A link to grades.pm such as to see the SUBM view of a student
3953:
3954: =cut
3955:
3956: ###############################################
3957: sub submlink {
3958: my ($text,$uname,$udom,$symb,$target)=@_;
3959: if (!($uname && $udom)) {
3960: (my $cursymb, my $courseid,$udom,$uname)=
3961: &Apache::lonnet::whichuser($symb);
3962: if (!$symb) { $symb=$cursymb; }
3963: }
3964: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
3965: $symb=&escape($symb);
3966: if ($target) { $target=" target=\"$target\""; }
3967: return
3968: '<a href="/adm/grades?command=submission'.
3969: '&symb='.$symb.
3970: '&student='.$uname.
3971: '&userdom='.$udom.'"'.
3972: $target.'>'.$text.'</a>';
3973: }
3974: ##############################################
3975:
3976: =pod
3977:
3978: =item * &pgrdlink()
3979:
3980: Inputs: $text $uname $udom $symb $target
3981:
3982: Returns: A link to grades.pm such as to see the PGRD view of a student
3983:
3984: =cut
3985:
3986: ###############################################
3987: sub pgrdlink {
3988: my $link=&submlink(@_);
3989: $link=~s/(&command=submission)/$1&showgrading=yes/;
3990: return $link;
3991: }
3992: ##############################################
3993:
3994: =pod
3995:
3996: =item * &pprmlink()
3997:
3998: Inputs: $text $uname $udom $symb $target
3999:
4000: Returns: A link to parmset.pm such as to see the PPRM view of a
4001: student and a specific resource
4002:
4003: =cut
4004:
4005: ###############################################
4006: sub pprmlink {
4007: my ($text,$uname,$udom,$symb,$target)=@_;
4008: if (!($uname && $udom)) {
4009: (my $cursymb, my $courseid,$udom,$uname)=
4010: &Apache::lonnet::whichuser($symb);
4011: if (!$symb) { $symb=$cursymb; }
4012: }
4013: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
4014: $symb=&escape($symb);
4015: if ($target) { $target="target=\"$target\""; }
4016: return '<a href="/adm/parmset?command=set&'.
4017: 'symb='.$symb.'&uname='.$uname.
4018: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
4019: }
4020: ##############################################
4021:
4022: =pod
4023:
4024: =back
4025:
4026: =cut
4027:
4028: ###############################################
4029:
4030:
4031: sub timehash {
4032: my ($thistime) = @_;
4033: my $timezone = &Apache::lonlocal::gettimezone();
4034: my $dt = DateTime->from_epoch(epoch => $thistime)
4035: ->set_time_zone($timezone);
4036: my $wday = $dt->day_of_week();
4037: if ($wday == 7) { $wday = 0; }
4038: return ( 'second' => $dt->second(),
4039: 'minute' => $dt->minute(),
4040: 'hour' => $dt->hour(),
4041: 'day' => $dt->day_of_month(),
4042: 'month' => $dt->month(),
4043: 'year' => $dt->year(),
4044: 'weekday' => $wday,
4045: 'dayyear' => $dt->day_of_year(),
4046: 'dlsav' => $dt->is_dst() );
4047: }
4048:
4049: sub utc_string {
4050: my ($date)=@_;
4051: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
4052: }
4053:
4054: sub maketime {
4055: my %th=@_;
4056: my ($epoch_time,$timezone,$dt);
4057: $timezone = &Apache::lonlocal::gettimezone();
4058: eval {
4059: $dt = DateTime->new( year => $th{'year'},
4060: month => $th{'month'},
4061: day => $th{'day'},
4062: hour => $th{'hour'},
4063: minute => $th{'minute'},
4064: second => $th{'second'},
4065: time_zone => $timezone,
4066: );
4067: };
4068: if (!$@) {
4069: $epoch_time = $dt->epoch;
4070: if ($epoch_time) {
4071: return $epoch_time;
4072: }
4073: }
4074: return POSIX::mktime(
4075: ($th{'seconds'},$th{'minutes'},$th{'hours'},
4076: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
4077: }
4078:
4079: #########################################
4080:
4081: sub findallcourses {
4082: my ($roles,$uname,$udom) = @_;
4083: my %roles;
4084: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
4085: my %courses;
4086: my $now=time;
4087: if (!defined($uname)) {
4088: $uname = $env{'user.name'};
4089: }
4090: if (!defined($udom)) {
4091: $udom = $env{'user.domain'};
4092: }
4093: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
4094: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
4095: if (!%roles) {
4096: %roles = (
4097: cc => 1,
4098: co => 1,
4099: in => 1,
4100: ep => 1,
4101: ta => 1,
4102: cr => 1,
4103: st => 1,
4104: );
4105: }
4106: foreach my $entry (keys(%roleshash)) {
4107: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
4108: if ($trole =~ /^cr/) {
4109: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
4110: } else {
4111: next if (!exists($roles{$trole}));
4112: }
4113: if ($tend) {
4114: next if ($tend < $now);
4115: }
4116: if ($tstart) {
4117: next if ($tstart > $now);
4118: }
4119: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role);
4120: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
4121: my $value = $trole.'/'.$cdom.'/';
4122: if ($secpart eq '') {
4123: ($cnum,$role) = split(/_/,$cnumpart);
4124: $sec = 'none';
4125: $value .= $cnum.'/';
4126: } else {
4127: $cnum = $cnumpart;
4128: ($sec,$role) = split(/_/,$secpart);
4129: $value .= $cnum.'/'.$sec;
4130: }
4131: if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
4132: unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
4133: push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
4134: }
4135: } else {
4136: @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
4137: }
4138: }
4139: } else {
4140: foreach my $key (keys(%env)) {
4141: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
4142: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
4143: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
4144: next if ($role eq 'ca' || $role eq 'aa');
4145: next if (%roles && !exists($roles{$role}));
4146: my ($starttime,$endtime)=split(/\./,$env{$key});
4147: my $active=1;
4148: if ($starttime) {
4149: if ($now<$starttime) { $active=0; }
4150: }
4151: if ($endtime) {
4152: if ($now>$endtime) { $active=0; }
4153: }
4154: if ($active) {
4155: my $value = $role.'/'.$cdom.'/'.$cnum.'/';
4156: if ($sec eq '') {
4157: $sec = 'none';
4158: } else {
4159: $value .= $sec;
4160: }
4161: if (ref($courses{$cdom.'_'.$cnum}{$sec}) eq 'ARRAY') {
4162: unless (grep(/^\Q$value\E$/,@{$courses{$cdom.'_'.$cnum}{$sec}})) {
4163: push(@{$courses{$cdom.'_'.$cnum}{$sec}},$value);
4164: }
4165: } else {
4166: @{$courses{$cdom.'_'.$cnum}{$sec}} = ($value);
4167: }
4168: }
4169: }
4170: }
4171: }
4172: return %courses;
4173: }
4174:
4175: ###############################################
4176:
4177: sub blockcheck {
4178: my ($setters,$activity,$uname,$udom,$url) = @_;
4179:
4180: if (!defined($udom)) {
4181: $udom = $env{'user.domain'};
4182: }
4183: if (!defined($uname)) {
4184: $uname = $env{'user.name'};
4185: }
4186:
4187: # If uname and udom are for a course, check for blocks in the course.
4188:
4189: if (&Apache::lonnet::is_course($udom,$uname)) {
4190: my ($startblock,$endblock,$triggerblock) =
4191: &get_blocks($setters,$activity,$udom,$uname,$url);
4192: return ($startblock,$endblock,$triggerblock);
4193: }
4194:
4195: my $startblock = 0;
4196: my $endblock = 0;
4197: my $triggerblock = '';
4198: my %live_courses = &findallcourses(undef,$uname,$udom);
4199:
4200: # If uname is for a user, and activity is course-specific, i.e.,
4201: # boards, chat or groups, check for blocking in current course only.
4202:
4203: if (($activity eq 'boards' || $activity eq 'chat' ||
4204: $activity eq 'groups') && ($env{'request.course.id'})) {
4205: foreach my $key (keys(%live_courses)) {
4206: if ($key ne $env{'request.course.id'}) {
4207: delete($live_courses{$key});
4208: }
4209: }
4210: }
4211:
4212: my $otheruser = 0;
4213: my %own_courses;
4214: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
4215: # Resource belongs to user other than current user.
4216: $otheruser = 1;
4217: # Gather courses for current user
4218: %own_courses =
4219: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
4220: }
4221:
4222: # Gather active course roles - course coordinator, instructor,
4223: # exam proctor, ta, student, or custom role.
4224:
4225: foreach my $course (keys(%live_courses)) {
4226: my ($cdom,$cnum);
4227: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
4228: $cdom = $env{'course.'.$course.'.domain'};
4229: $cnum = $env{'course.'.$course.'.num'};
4230: } else {
4231: ($cdom,$cnum) = split(/_/,$course);
4232: }
4233: my $no_ownblock = 0;
4234: my $no_userblock = 0;
4235: if ($otheruser && $activity ne 'com') {
4236: # Check if current user has 'evb' priv for this
4237: if (defined($own_courses{$course})) {
4238: foreach my $sec (keys(%{$own_courses{$course}})) {
4239: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
4240: if ($sec ne 'none') {
4241: $checkrole .= '/'.$sec;
4242: }
4243: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
4244: $no_ownblock = 1;
4245: last;
4246: }
4247: }
4248: }
4249: # if they have 'evb' priv and are currently not playing student
4250: next if (($no_ownblock) &&
4251: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
4252: }
4253: foreach my $sec (keys(%{$live_courses{$course}})) {
4254: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
4255: if ($sec ne 'none') {
4256: $checkrole .= '/'.$sec;
4257: }
4258: if ($otheruser) {
4259: # Resource belongs to user other than current user.
4260: # Assemble privs for that user, and check for 'evb' priv.
4261: my (%allroles,%userroles);
4262: if (ref($live_courses{$course}{$sec}) eq 'ARRAY') {
4263: foreach my $entry (@{$live_courses{$course}{$sec}}) {
4264: my ($trole,$tdom,$tnum,$tsec);
4265: if ($entry =~ /^cr/) {
4266: ($trole,$tdom,$tnum,$tsec) =
4267: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
4268: } else {
4269: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
4270: }
4271: my ($spec,$area,$trest);
4272: $area = '/'.$tdom.'/'.$tnum;
4273: $trest = $tnum;
4274: if ($tsec ne '') {
4275: $area .= '/'.$tsec;
4276: $trest .= '/'.$tsec;
4277: }
4278: $spec = $trole.'.'.$area;
4279: if ($trole =~ /^cr/) {
4280: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
4281: $tdom,$spec,$trest,$area);
4282: } else {
4283: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
4284: $tdom,$spec,$trest,$area);
4285: }
4286: }
4287: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
4288: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
4289: if ($1) {
4290: $no_userblock = 1;
4291: last;
4292: }
4293: }
4294: }
4295: } else {
4296: # Resource belongs to current user
4297: # Check for 'evb' priv via lonnet::allowed().
4298: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
4299: $no_ownblock = 1;
4300: last;
4301: }
4302: }
4303: }
4304: # if they have the evb priv and are currently not playing student
4305: next if (($no_ownblock) &&
4306: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
4307: next if ($no_userblock);
4308:
4309: # Retrieve blocking times and identity of locker for course
4310: # of specified user, unless user has 'evb' privilege.
4311:
4312: my ($start,$end,$trigger) =
4313: &get_blocks($setters,$activity,$cdom,$cnum,$url);
4314: if (($start != 0) &&
4315: (($startblock == 0) || ($startblock > $start))) {
4316: $startblock = $start;
4317: if ($trigger ne '') {
4318: $triggerblock = $trigger;
4319: }
4320: }
4321: if (($end != 0) &&
4322: (($endblock == 0) || ($endblock < $end))) {
4323: $endblock = $end;
4324: if ($trigger ne '') {
4325: $triggerblock = $trigger;
4326: }
4327: }
4328: }
4329: return ($startblock,$endblock,$triggerblock);
4330: }
4331:
4332: sub get_blocks {
4333: my ($setters,$activity,$cdom,$cnum,$url) = @_;
4334: my $startblock = 0;
4335: my $endblock = 0;
4336: my $triggerblock = '';
4337: my $course = $cdom.'_'.$cnum;
4338: $setters->{$course} = {};
4339: $setters->{$course}{'staff'} = [];
4340: $setters->{$course}{'times'} = [];
4341: $setters->{$course}{'triggers'} = [];
4342: my (@blockers,%triggered);
4343: my $now = time;
4344: my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum);
4345: if ($activity eq 'docs') {
4346: @blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks);
4347: foreach my $block (@blockers) {
4348: if ($block =~ /^firstaccess____(.+)$/) {
4349: my $item = $1;
4350: my $type = 'map';
4351: my $timersymb = $item;
4352: if ($item eq 'course') {
4353: $type = 'course';
4354: } elsif ($item =~ /___\d+___/) {
4355: $type = 'resource';
4356: } else {
4357: $timersymb = &Apache::lonnet::symbread($item);
4358: }
4359: my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
4360: my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
4361: $triggered{$block} = {
4362: start => $start,
4363: end => $end,
4364: type => $type,
4365: };
4366: }
4367: }
4368: } else {
4369: foreach my $block (keys(%commblocks)) {
4370: if ($block =~ m/^(\d+)____(\d+)$/) {
4371: my ($start,$end) = ($1,$2);
4372: if ($start <= time && $end >= time) {
4373: if (ref($commblocks{$block}) eq 'HASH') {
4374: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
4375: if ($commblocks{$block}{'blocks'}{$activity} eq 'on') {
4376: unless(grep(/^\Q$block\E$/,@blockers)) {
4377: push(@blockers,$block);
4378: }
4379: }
4380: }
4381: }
4382: }
4383: } elsif ($block =~ /^firstaccess____(.+)$/) {
4384: my $item = $1;
4385: my $timersymb = $item;
4386: my $type = 'map';
4387: if ($item eq 'course') {
4388: $type = 'course';
4389: } elsif ($item =~ /___\d+___/) {
4390: $type = 'resource';
4391: } else {
4392: $timersymb = &Apache::lonnet::symbread($item);
4393: }
4394: my $start = $env{'course.'.$cdom.'_'.$cnum.'.firstaccess.'.$timersymb};
4395: my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb};
4396: if ($start && $end) {
4397: if (($start <= time) && ($end >= time)) {
4398: unless (grep(/^\Q$block\E$/,@blockers)) {
4399: push(@blockers,$block);
4400: $triggered{$block} = {
4401: start => $start,
4402: end => $end,
4403: type => $type,
4404: };
4405: }
4406: }
4407: }
4408: }
4409: }
4410: }
4411: foreach my $blocker (@blockers) {
4412: my ($staff_name,$staff_dom,$title,$blocks) =
4413: &parse_block_record($commblocks{$blocker});
4414: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
4415: my ($start,$end,$triggertype);
4416: if ($blocker =~ m/^(\d+)____(\d+)$/) {
4417: ($start,$end) = ($1,$2);
4418: } elsif (ref($triggered{$blocker}) eq 'HASH') {
4419: $start = $triggered{$blocker}{'start'};
4420: $end = $triggered{$blocker}{'end'};
4421: $triggertype = $triggered{$blocker}{'type'};
4422: }
4423: if ($start) {
4424: push(@{$$setters{$course}{'times'}}, [$start,$end]);
4425: if ($triggertype) {
4426: push(@{$$setters{$course}{'triggers'}},$triggertype);
4427: } else {
4428: push(@{$$setters{$course}{'triggers'}},0);
4429: }
4430: if ( ($startblock == 0) || ($startblock > $start) ) {
4431: $startblock = $start;
4432: if ($triggertype) {
4433: $triggerblock = $blocker;
4434: }
4435: }
4436: if ( ($endblock == 0) || ($endblock < $end) ) {
4437: $endblock = $end;
4438: if ($triggertype) {
4439: $triggerblock = $blocker;
4440: }
4441: }
4442: }
4443: }
4444: return ($startblock,$endblock,$triggerblock);
4445: }
4446:
4447: sub parse_block_record {
4448: my ($record) = @_;
4449: my ($setuname,$setudom,$title,$blocks);
4450: if (ref($record) eq 'HASH') {
4451: ($setuname,$setudom) = split(/:/,$record->{'setter'});
4452: $title = &unescape($record->{'event'});
4453: $blocks = $record->{'blocks'};
4454: } else {
4455: my @data = split(/:/,$record,3);
4456: if (scalar(@data) eq 2) {
4457: $title = $data[1];
4458: ($setuname,$setudom) = split(/@/,$data[0]);
4459: } else {
4460: ($setuname,$setudom,$title) = @data;
4461: }
4462: $blocks = { 'com' => 'on' };
4463: }
4464: return ($setuname,$setudom,$title,$blocks);
4465: }
4466:
4467: sub blocking_status {
4468: my ($activity,$uname,$udom,$url) = @_;
4469: my %setters;
4470:
4471: # check for active blocking
4472: my ($startblock,$endblock,$triggerblock) =
4473: &blockcheck(\%setters,$activity,$uname,$udom,$url);
4474: my $blocked = 0;
4475: if ($startblock && $endblock) {
4476: $blocked = 1;
4477: }
4478:
4479: # caller just wants to know whether a block is active
4480: if (!wantarray) { return $blocked; }
4481:
4482: # build a link to a popup window containing the details
4483: my $querystring = "?activity=$activity";
4484: # $uname and $udom decide whose portfolio the user is trying to look at
4485: if ($activity eq 'port') {
4486: $querystring .= "&udom=$udom" if $udom;
4487: $querystring .= "&uname=$uname" if $uname;
4488: } elsif ($activity eq 'docs') {
4489: $querystring .= '&url='.&HTML::Entities::encode($url,'&"');
4490: }
4491:
4492: my $output .= <<'END_MYBLOCK';
4493: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
4494: var options = "width=" + w + ",height=" + h + ",";
4495: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
4496: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
4497: var newWin = window.open(url, wdwName, options);
4498: newWin.focus();
4499: }
4500: END_MYBLOCK
4501:
4502: $output = Apache::lonhtmlcommon::scripttag($output);
4503:
4504: my $popupUrl = "/adm/blockingstatus/$querystring";
4505: my $text = &mt('Communication Blocked');
4506: if ($activity eq 'docs') {
4507: $text = &mt('Content Access Blocked');
4508: } elsif ($activity eq 'printout') {
4509: $text = &mt('Printing Blocked');
4510: }
4511: $output .= <<"END_BLOCK";
4512: <div class='LC_comblock'>
4513: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
4514: title='$text'>
4515: <img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>
4516: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
4517: title='$text'>$text</a>
4518: </div>
4519:
4520: END_BLOCK
4521:
4522: return ($blocked, $output);
4523: }
4524:
4525: ###############################################
4526:
4527: sub check_ip_acc {
4528: my ($acc)=@_;
4529: &Apache::lonxml::debug("acc is $acc");
4530: if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
4531: return 1;
4532: }
4533: my $allowed=0;
4534: my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
4535:
4536: my $name;
4537: foreach my $pattern (split(',',$acc)) {
4538: $pattern =~ s/^\s*//;
4539: $pattern =~ s/\s*$//;
4540: if ($pattern =~ /\*$/) {
4541: #35.8.*
4542: $pattern=~s/\*//;
4543: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
4544: } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
4545: #35.8.3.[34-56]
4546: my $low=$2;
4547: my $high=$3;
4548: $pattern=$1;
4549: if ($ip =~ /^\Q$pattern\E/) {
4550: my $last=(split(/\./,$ip))[3];
4551: if ($last <=$high && $last >=$low) { $allowed=1; }
4552: }
4553: } elsif ($pattern =~ /^\*/) {
4554: #*.msu.edu
4555: $pattern=~s/\*//;
4556: if (!defined($name)) {
4557: use Socket;
4558: my $netaddr=inet_aton($ip);
4559: ($name)=gethostbyaddr($netaddr,AF_INET);
4560: }
4561: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4562: } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
4563: #127.0.0.1
4564: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
4565: } else {
4566: #some.name.com
4567: if (!defined($name)) {
4568: use Socket;
4569: my $netaddr=inet_aton($ip);
4570: ($name)=gethostbyaddr($netaddr,AF_INET);
4571: }
4572: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4573: }
4574: if ($allowed) { last; }
4575: }
4576: return $allowed;
4577: }
4578:
4579: ###############################################
4580:
4581: =pod
4582:
4583: =head1 Domain Template Functions
4584:
4585: =over 4
4586:
4587: =item * &determinedomain()
4588:
4589: Inputs: $domain (usually will be undef)
4590:
4591: Returns: Determines which domain should be used for designs
4592:
4593: =cut
4594:
4595: ###############################################
4596: sub determinedomain {
4597: my $domain=shift;
4598: if (! $domain) {
4599: # Determine domain if we have not been given one
4600: $domain = &Apache::lonnet::default_login_domain();
4601: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
4602: if ($env{'request.role.domain'}) {
4603: $domain=$env{'request.role.domain'};
4604: }
4605: }
4606: return $domain;
4607: }
4608: ###############################################
4609:
4610: sub devalidate_domconfig_cache {
4611: my ($udom)=@_;
4612: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
4613: }
4614:
4615: # ---------------------- Get domain configuration for a domain
4616: sub get_domainconf {
4617: my ($udom) = @_;
4618: my $cachetime=1800;
4619: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
4620: if (defined($cached)) { return %{$result}; }
4621:
4622: my %domconfig = &Apache::lonnet::get_dom('configuration',
4623: ['login','rolecolors','autoenroll'],$udom);
4624: my (%designhash,%legacy);
4625: if (keys(%domconfig) > 0) {
4626: if (ref($domconfig{'login'}) eq 'HASH') {
4627: if (keys(%{$domconfig{'login'}})) {
4628: foreach my $key (keys(%{$domconfig{'login'}})) {
4629: if (ref($domconfig{'login'}{$key}) eq 'HASH') {
4630: if ($key eq 'loginvia') {
4631: if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
4632: foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) {
4633: if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
4634: if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
4635: my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
4636: $designhash{$udom.'.login.loginvia'} = $server;
4637: if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
4638:
4639: $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
4640: } else {
4641: $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
4642: }
4643: if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
4644: $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
4645: }
4646: }
4647: }
4648: }
4649: }
4650: } else {
4651: foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
4652: $designhash{$udom.'.login.'.$key.'_'.$img} =
4653: $domconfig{'login'}{$key}{$img};
4654: }
4655: }
4656: } else {
4657: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
4658: }
4659: }
4660: } else {
4661: $legacy{'login'} = 1;
4662: }
4663: } else {
4664: $legacy{'login'} = 1;
4665: }
4666: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
4667: if (keys(%{$domconfig{'rolecolors'}})) {
4668: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
4669: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
4670: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
4671: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
4672: }
4673: }
4674: }
4675: } else {
4676: $legacy{'rolecolors'} = 1;
4677: }
4678: } else {
4679: $legacy{'rolecolors'} = 1;
4680: }
4681: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
4682: if ($domconfig{'autoenroll'}{'co-owners'}) {
4683: $designhash{$udom.'.autoassign.co-owners'}=$domconfig{'autoenroll'}{'co-owners'};
4684: }
4685: }
4686: if (keys(%legacy) > 0) {
4687: my %legacyhash = &get_legacy_domconf($udom);
4688: foreach my $item (keys(%legacyhash)) {
4689: if ($item =~ /^\Q$udom\E\.login/) {
4690: if ($legacy{'login'}) {
4691: $designhash{$item} = $legacyhash{$item};
4692: }
4693: } else {
4694: if ($legacy{'rolecolors'}) {
4695: $designhash{$item} = $legacyhash{$item};
4696: }
4697: }
4698: }
4699: }
4700: } else {
4701: %designhash = &get_legacy_domconf($udom);
4702: }
4703: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
4704: $cachetime);
4705: return %designhash;
4706: }
4707:
4708: sub get_legacy_domconf {
4709: my ($udom) = @_;
4710: my %legacyhash;
4711: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
4712: my $designfile = $designdir.'/'.$udom.'.tab';
4713: if (-e $designfile) {
4714: if ( open (my $fh,"<$designfile") ) {
4715: while (my $line = <$fh>) {
4716: next if ($line =~ /^\#/);
4717: chomp($line);
4718: my ($key,$val)=(split(/\=/,$line));
4719: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
4720: }
4721: close($fh);
4722: }
4723: }
4724: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/adm/lonDomLogos/'.$udom.'.gif') {
4725: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
4726: }
4727: return %legacyhash;
4728: }
4729:
4730: =pod
4731:
4732: =item * &domainlogo()
4733:
4734: Inputs: $domain (usually will be undef)
4735:
4736: Returns: A link to a domain logo, if the domain logo exists.
4737: If the domain logo does not exist, a description of the domain.
4738:
4739: =cut
4740:
4741: ###############################################
4742: sub domainlogo {
4743: my $domain = &determinedomain(shift);
4744: my %designhash = &get_domainconf($domain);
4745: # See if there is a logo
4746: if ($designhash{$domain.'.login.domlogo'} ne '') {
4747: my $imgsrc = $designhash{$domain.'.login.domlogo'};
4748: if ($imgsrc =~ m{^/(adm|res)/}) {
4749: if ($imgsrc =~ m{^/res/}) {
4750: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
4751: &Apache::lonnet::repcopy($local_name);
4752: }
4753: $imgsrc = &lonhttpdurl($imgsrc);
4754: }
4755: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
4756: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
4757: return &Apache::lonnet::domain($domain,'description');
4758: } else {
4759: return '';
4760: }
4761: }
4762: ##############################################
4763:
4764: =pod
4765:
4766: =item * &designparm()
4767:
4768: Inputs: $which parameter; $domain (usually will be undef)
4769:
4770: Returns: value of designparamter $which
4771:
4772: =cut
4773:
4774:
4775: ##############################################
4776: sub designparm {
4777: my ($which,$domain)=@_;
4778: if (exists($env{'environment.color.'.$which})) {
4779: return $env{'environment.color.'.$which};
4780: }
4781: $domain=&determinedomain($domain);
4782: my %domdesign;
4783: unless ($domain eq 'public') {
4784: %domdesign = &get_domainconf($domain);
4785: }
4786: my $output;
4787: if ($domdesign{$domain.'.'.$which} ne '') {
4788: $output = $domdesign{$domain.'.'.$which};
4789: } else {
4790: $output = $defaultdesign{$which};
4791: }
4792: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
4793: ($which =~ /login\.(img|logo|domlogo|login)/)) {
4794: if ($output =~ m{^/(adm|res)/}) {
4795: if ($output =~ m{^/res/}) {
4796: my $local_name = &Apache::lonnet::filelocation('',$output);
4797: &Apache::lonnet::repcopy($local_name);
4798: }
4799: $output = &lonhttpdurl($output);
4800: }
4801: }
4802: return $output;
4803: }
4804:
4805: ##############################################
4806: =pod
4807:
4808: =item * &authorspace()
4809:
4810: Inputs: $url (usually will be undef).
4811:
4812: Returns: Path to Construction Space containing the resource or
4813: directory being viewed (or for which action is being taken).
4814: If $url is provided, and begins /priv/<domain>/<uname>
4815: the path will be that portion of the $context argument.
4816: Otherwise the path will be for the author space of the current
4817: user when the current role is author, or for that of the
4818: co-author/assistant co-author space when the current role
4819: is co-author or assistant co-author.
4820:
4821: =cut
4822:
4823: sub authorspace {
4824: my ($url) = @_;
4825: if ($url ne '') {
4826: if ($url =~ m{^(/priv/$match_domain/$match_username/)}) {
4827: return $1;
4828: }
4829: }
4830: my $caname = '';
4831: my $cadom = '';
4832: if ($env{'request.role'} =~ /^(?:ca|aa)/) {
4833: ($cadom,$caname) =
4834: ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
4835: } elsif ($env{'request.role'} =~ m{^au\./($match_domain)/}) {
4836: $caname = $env{'user.name'};
4837: $cadom = $env{'user.domain'};
4838: }
4839: if (($caname ne '') && ($cadom ne '')) {
4840: return "/priv/$cadom/$caname/";
4841: }
4842: return;
4843: }
4844:
4845: ##############################################
4846: =pod
4847:
4848: =item * &head_subbox()
4849:
4850: Inputs: $content (contains HTML code with page functions, etc.)
4851:
4852: Returns: HTML div with $content
4853: To be included in page header
4854:
4855: =cut
4856:
4857: sub head_subbox {
4858: my ($content)=@_;
4859: my $output =
4860: '<div class="LC_head_subbox">'
4861: .$content
4862: .'</div>'
4863: }
4864:
4865: ##############################################
4866: =pod
4867:
4868: =item * &CSTR_pageheader()
4869:
4870: Input: (optional) filename from which breadcrumb trail is built.
4871: In most cases no input as needed, as $env{'request.filename'}
4872: is appropriate for use in building the breadcrumb trail.
4873:
4874: Returns: HTML div with CSTR path and recent box
4875: To be included on Construction Space pages
4876:
4877: =cut
4878:
4879: sub CSTR_pageheader {
4880: my ($trailfile) = @_;
4881: if ($trailfile eq '') {
4882: $trailfile = $env{'request.filename'};
4883: }
4884:
4885: # this is for resources; directories have customtitle, and crumbs
4886: # and select recent are created in lonpubdir.pm
4887:
4888: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
4889: my ($udom,$uname,$thisdisfn)=
4890: ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});
4891: my $formaction = "/priv/$udom/$uname/$thisdisfn";
4892: $formaction =~ s{/+}{/}g;
4893:
4894: my $parentpath = '';
4895: my $lastitem = '';
4896: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4897: $parentpath = $1;
4898: $lastitem = $2;
4899: } else {
4900: $lastitem = $thisdisfn;
4901: }
4902:
4903: my $output =
4904: '<div>'
4905: .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
4906: .'<b>'.&mt('Construction Space:').'</b> '
4907: .'<form name="dirs" method="post" action="'.$formaction
4908: .'" target="_top">' #FIXME lonpubdir: target="_parent"
4909: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
4910:
4911: if ($lastitem) {
4912: $output .=
4913: '<span class="LC_filename">'
4914: .$lastitem
4915: .'</span>';
4916: }
4917: $output .=
4918: '<br />'
4919: #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"
4920: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4921: .'</form>'
4922: .&Apache::lonmenu::constspaceform()
4923: .'</div>';
4924:
4925: return $output;
4926: }
4927:
4928: ###############################################
4929: ###############################################
4930:
4931: =pod
4932:
4933: =back
4934:
4935: =head1 HTML Helpers
4936:
4937: =over 4
4938:
4939: =item * &bodytag()
4940:
4941: Returns a uniform header for LON-CAPA web pages.
4942:
4943: Inputs:
4944:
4945: =over 4
4946:
4947: =item * $title, A title to be displayed on the page.
4948:
4949: =item * $function, the current role (can be undef).
4950:
4951: =item * $addentries, extra parameters for the <body> tag.
4952:
4953: =item * $bodyonly, if defined, only return the <body> tag.
4954:
4955: =item * $domain, if defined, force a given domain.
4956:
4957: =item * $forcereg, if page should register as content page (relevant for
4958: text interface only)
4959:
4960: =item * $no_nav_bar, if true, keep the 'what is this' info but remove the
4961: navigational links
4962:
4963: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
4964:
4965: =item * $no_inline_link, if true and in remote mode, don't show the
4966: 'Switch To Inline Menu' link
4967:
4968: =item * $args, optional argument valid values are
4969: no_auto_mt_title -> prevents &mt()ing the title arg
4970: inherit_jsmath -> when creating popup window in a page,
4971: should it have jsmath forced on by the
4972: current page
4973:
4974: =item * $advtoolsref, optional argument, ref to an array containing
4975: inlineremote items to be added in "Functions" menu below
4976: breadcrumbs.
4977:
4978: =back
4979:
4980: Returns: A uniform header for LON-CAPA web pages.
4981: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
4982: If $bodyonly is undef or zero, an html string containing a <body> tag and
4983: other decorations will be returned.
4984:
4985: =cut
4986:
4987: sub bodytag {
4988: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
4989: $no_nav_bar,$bgcolor,$no_inline_link,$args,$advtoolsref)=@_;
4990:
4991: my $public;
4992: if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
4993: || ($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
4994: $public = 1;
4995: }
4996: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4997:
4998: $function = &get_users_function() if (!$function);
4999: my $img = &designparm($function.'.img',$domain);
5000: my $font = &designparm($function.'.font',$domain);
5001: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
5002:
5003: my %design = ( 'style' => 'margin-top: 0',
5004: 'bgcolor' => $pgbg,
5005: 'text' => $font,
5006: 'alink' => &designparm($function.'.alink',$domain),
5007: 'vlink' => &designparm($function.'.vlink',$domain),
5008: 'link' => &designparm($function.'.link',$domain),);
5009: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
5010:
5011: # role and realm
5012: my ($role,$realm) = split(/\./,$env{'request.role'},2);
5013: if ($role eq 'ca') {
5014: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
5015: $realm = &plainname($rname,$rdom);
5016: }
5017: # realm
5018: if ($env{'request.course.id'}) {
5019: if ($env{'request.role'} !~ /^cr/) {
5020: $role = &Apache::lonnet::plaintext($role,&course_type());
5021: }
5022: if ($env{'request.course.sec'}) {
5023: $role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};
5024: }
5025: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
5026: } else {
5027: $role = &Apache::lonnet::plaintext($role);
5028: }
5029:
5030: if (!$realm) { $realm=' '; }
5031:
5032: my $extra_body_attr = &make_attr_string($forcereg,\%design);
5033:
5034: # construct main body tag
5035: my $bodytag = "<body $extra_body_attr>".
5036: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
5037:
5038: if ($bodyonly) {
5039: return $bodytag;
5040: }
5041:
5042: my $name = &plainname($env{'user.name'},$env{'user.domain'});
5043: if ($public) {
5044: undef($role);
5045: } else {
5046: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'},
5047: undef,'LC_menubuttons_link');
5048: }
5049:
5050: my $titleinfo = '<h1>'.$title.'</h1>';
5051: #
5052: # Extra info if you are the DC
5053: my $dc_info = '';
5054: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
5055: $env{'course.'.$env{'request.course.id'}.
5056: '.domain'}.'/'})) {
5057: my $cid = $env{'request.course.id'};
5058: $dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
5059: $dc_info =~ s/\s+$//;
5060: }
5061:
5062: $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
5063: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
5064:
5065: if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') {
5066: return $bodytag;
5067: }
5068:
5069: if ($env{'request.state'} eq 'construct') { $forcereg=1; }
5070:
5071: my $funclist;
5072: if (($env{'environment.remote'} eq 'on') && ($env{'request.state'} ne 'construct')) {
5073: $bodytag .= Apache::lonhtmlcommon::scripttag(Apache::lonmenu::utilityfunctions(), 'start')."\n".
5074: Apache::lonmenu::serverform();
5075: my $forbodytag;
5076: &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
5077: $forcereg,$args->{'group'},
5078: $args->{'bread_crumbs'},
5079: $advtoolsref,'',\$forbodytag);
5080: unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
5081: $funclist = $forbodytag;
5082: }
5083: } else {
5084:
5085: # if ($env{'request.state'} eq 'construct') {
5086: # $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
5087: # }
5088:
5089:
5090:
5091: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
5092: if ($dc_info) {
5093: $dc_info = qq|<span class="LC_cusr_subheading">$dc_info</span>|;
5094: }
5095: $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
5096: <em>$realm</em> $dc_info</div>|;
5097: return $bodytag;
5098: }
5099:
5100: unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
5101: $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>|;
5102: }
5103:
5104: $bodytag .= Apache::lonhtmlcommon::scripttag(
5105: Apache::lonmenu::utilityfunctions(), 'start');
5106:
5107: $bodytag .= Apache::lonmenu::primary_menu();
5108:
5109: if ($dc_info) {
5110: $dc_info = &dc_courseid_toggle($dc_info);
5111: }
5112: $bodytag .= qq|<div id="LC_realm">$realm $dc_info</div>|;
5113:
5114: #don't show menus for public users
5115: if (!$public){
5116: $bodytag .= Apache::lonmenu::secondary_menu();
5117: $bodytag .= Apache::lonmenu::serverform();
5118: $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
5119: if ($env{'request.state'} eq 'construct') {
5120: $bodytag .= &Apache::lonmenu::innerregister($forcereg,
5121: $args->{'bread_crumbs'});
5122: } elsif ($forcereg) {
5123: $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
5124: $args->{'group'});
5125: } else {
5126: my $forbodytag;
5127: &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
5128: $forcereg,$args->{'group'},
5129: $args->{'bread_crumbs'},
5130: $advtoolsref,'',\$forbodytag);
5131: unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
5132: $bodytag .= $forbodytag;
5133: }
5134: }
5135: }else{
5136: # this is to seperate menu from content when there's no secondary
5137: # menu. Especially needed for public accessible ressources.
5138: $bodytag .= '<hr style="clear:both" />';
5139: $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
5140: }
5141:
5142: return $bodytag;
5143: }
5144:
5145: #
5146: # Top frame rendering, Remote is up
5147: #
5148:
5149: my $imgsrc = $img;
5150: if ($img =~ /^\/adm/) {
5151: $imgsrc = &lonhttpdurl($img);
5152: }
5153: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
5154:
5155: # Explicit link to get inline menu
5156: my $menu= ($no_inline_link?''
5157: :'<a href="/adm/remote?action=collapse" target="_top">'.&mt('Switch to Inline Menu Mode').'</a>');
5158:
5159: if ($dc_info) {
5160: $dc_info = qq|<span class="LC_cusr_subheading">($dc_info)</span>|;
5161: }
5162:
5163: unless ($env{'form.inhibitmenu'}) {
5164: $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>
5165: <ol class="LC_primary_menu LC_right">
5166: <li>$menu</li>
5167: </ol><div id="LC_realm"> $realm $dc_info</div>|;
5168: }
5169: if ($env{'request.state'} eq 'construct') {
5170: if (!$public){
5171: if ($env{'request.state'} eq 'construct') {
5172: $funclist = &Apache::lonhtmlcommon::scripttag(
5173: &Apache::lonmenu::utilityfunctions(), 'start').
5174: &Apache::lonhtmlcommon::scripttag('','end').
5175: &Apache::lonmenu::innerregister($forcereg,
5176: $args->{'bread_crumbs'});
5177: }
5178: }
5179: }
5180: return $bodytag."\n".$funclist;
5181: }
5182:
5183: sub dc_courseid_toggle {
5184: my ($dc_info) = @_;
5185: return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
5186: '<a href="javascript:showCourseID();" class="LC_menubuttons_link">'.
5187: &mt('(More ...)').'</a></span>'.
5188: '<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
5189: }
5190:
5191: sub make_attr_string {
5192: my ($register,$attr_ref) = @_;
5193:
5194: if ($attr_ref && !ref($attr_ref)) {
5195: die("addentries Must be a hash ref ".
5196: join(':',caller(1))." ".
5197: join(':',caller(0))." ");
5198: }
5199:
5200: if ($register) {
5201: my ($on_load,$on_unload);
5202: foreach my $key (keys(%{$attr_ref})) {
5203: if (lc($key) eq 'onload') {
5204: $on_load.=$attr_ref->{$key}.';';
5205: delete($attr_ref->{$key});
5206:
5207: } elsif (lc($key) eq 'onunload') {
5208: $on_unload.=$attr_ref->{$key}.';';
5209: delete($attr_ref->{$key});
5210: }
5211: }
5212: if ($env{'environment.remote'} eq 'on') {
5213: $attr_ref->{'onload'} =
5214: &Apache::lonmenu::loadevents(). $on_load;
5215: $attr_ref->{'onunload'}=
5216: &Apache::lonmenu::unloadevents().$on_unload;
5217: } else {
5218: $attr_ref->{'onload'} = $on_load;
5219: $attr_ref->{'onunload'}= $on_unload;
5220: }
5221: }
5222:
5223: my $attr_string;
5224: foreach my $attr (keys(%$attr_ref)) {
5225: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
5226: }
5227: return $attr_string;
5228: }
5229:
5230:
5231: ###############################################
5232: ###############################################
5233:
5234: =pod
5235:
5236: =item * &endbodytag()
5237:
5238: Returns a uniform footer for LON-CAPA web pages.
5239:
5240: Inputs: 1 - optional reference to an args hash
5241: If in the hash, key for noredirectlink has a value which evaluates to true,
5242: a 'Continue' link is not displayed if the page contains an
5243: internal redirect in the <head></head> section,
5244: i.e., $env{'internal.head.redirect'} exists
5245:
5246: =cut
5247:
5248: sub endbodytag {
5249: my ($args) = @_;
5250: my $endbodytag;
5251: unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) {
5252: $endbodytag='</body>';
5253: }
5254: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
5255: if ( exists( $env{'internal.head.redirect'} ) ) {
5256: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
5257: $endbodytag=
5258: "<br /><a href=\"$env{'internal.head.redirect'}\">".
5259: &mt('Continue').'</a>'.
5260: $endbodytag;
5261: }
5262: }
5263: return $endbodytag;
5264: }
5265:
5266: =pod
5267:
5268: =item * &standard_css()
5269:
5270: Returns a style sheet
5271:
5272: Inputs: (all optional)
5273: domain -> force to color decorate a page for a specific
5274: domain
5275: function -> force usage of a specific rolish color scheme
5276: bgcolor -> override the default page bgcolor
5277:
5278: =cut
5279:
5280: sub standard_css {
5281: my ($function,$domain,$bgcolor) = @_;
5282: $function = &get_users_function() if (!$function);
5283: my $img = &designparm($function.'.img', $domain);
5284: my $tabbg = &designparm($function.'.tabbg', $domain);
5285: my $font = &designparm($function.'.font', $domain);
5286: my $fontmenu = &designparm($function.'.fontmenu', $domain);
5287: #second colour for later usage
5288: my $sidebg = &designparm($function.'.sidebg',$domain);
5289: my $pgbg_or_bgcolor =
5290: $bgcolor ||
5291: &designparm($function.'.pgbg', $domain);
5292: my $pgbg = &designparm($function.'.pgbg', $domain);
5293: my $alink = &designparm($function.'.alink', $domain);
5294: my $vlink = &designparm($function.'.vlink', $domain);
5295: my $link = &designparm($function.'.link', $domain);
5296:
5297: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
5298: my $mono = 'monospace';
5299: my $data_table_head = $sidebg;
5300: my $data_table_light = '#FAFAFA';
5301: my $data_table_dark = '#E0E0E0';
5302: my $data_table_darker = '#CCCCCC';
5303: my $data_table_highlight = '#FFFF00';
5304: my $mail_new = '#FFBB77';
5305: my $mail_new_hover = '#DD9955';
5306: my $mail_read = '#BBBB77';
5307: my $mail_read_hover = '#999944';
5308: my $mail_replied = '#AAAA88';
5309: my $mail_replied_hover = '#888855';
5310: my $mail_other = '#99BBBB';
5311: my $mail_other_hover = '#669999';
5312: my $table_header = '#DDDDDD';
5313: my $feedback_link_bg = '#BBBBBB';
5314: my $lg_border_color = '#C8C8C8';
5315: my $button_hover = '#BF2317';
5316:
5317: my $border = ($env{'browser.type'} eq 'explorer' ||
5318: $env{'browser.type'} eq 'safari' ) ? '0 2px 0 2px'
5319: : '0 3px 0 4px';
5320:
5321:
5322: return <<END;
5323:
5324: /* needed for iframe to allow 100% height in FF */
5325: body, html {
5326: margin: 0;
5327: padding: 0 0.5%;
5328: height: 99%; /* to avoid scrollbars */
5329: }
5330:
5331: body {
5332: font-family: $sans;
5333: line-height:130%;
5334: font-size:0.83em;
5335: color:$font;
5336: }
5337:
5338: a:focus,
5339: a:focus img {
5340: color: red;
5341: }
5342:
5343: form, .inline {
5344: display: inline;
5345: }
5346:
5347: .LC_right {
5348: text-align:right;
5349: }
5350:
5351: .LC_middle {
5352: vertical-align:middle;
5353: }
5354:
5355: .LC_400Box {
5356: width:400px;
5357: }
5358:
5359: .LC_iframecontainer {
5360: width: 98%;
5361: margin: 0;
5362: position: fixed;
5363: top: 8.5em;
5364: bottom: 0;
5365: }
5366:
5367: .LC_iframecontainer iframe{
5368: border: none;
5369: width: 100%;
5370: height: 100%;
5371: }
5372:
5373: .LC_filename {
5374: font-family: $mono;
5375: white-space:pre;
5376: font-size: 120%;
5377: }
5378:
5379: .LC_fileicon {
5380: border: none;
5381: height: 1.3em;
5382: vertical-align: text-bottom;
5383: margin-right: 0.3em;
5384: text-decoration:none;
5385: }
5386:
5387: .LC_setting {
5388: text-decoration:underline;
5389: }
5390:
5391: .LC_error {
5392: color: red;
5393: }
5394:
5395: .LC_warning {
5396: color: darkorange;
5397: }
5398:
5399: .LC_diff_removed {
5400: color: red;
5401: }
5402:
5403: .LC_info,
5404: .LC_success,
5405: .LC_diff_added {
5406: color: green;
5407: }
5408:
5409: div.LC_confirm_box {
5410: background-color: #FAFAFA;
5411: border: 1px solid $lg_border_color;
5412: margin-right: 0;
5413: padding: 5px;
5414: }
5415:
5416: div.LC_confirm_box .LC_error img,
5417: div.LC_confirm_box .LC_success img {
5418: vertical-align: middle;
5419: }
5420:
5421: .LC_icon {
5422: border: none;
5423: vertical-align: middle;
5424: }
5425:
5426: .LC_docs_spacer {
5427: width: 25px;
5428: height: 1px;
5429: border: none;
5430: }
5431:
5432: .LC_internal_info {
5433: color: #999999;
5434: }
5435:
5436: .LC_discussion {
5437: background: $data_table_dark;
5438: border: 1px solid black;
5439: margin: 2px;
5440: }
5441:
5442: .LC_disc_action_left {
5443: background: $sidebg;
5444: text-align: left;
5445: padding: 4px;
5446: margin: 2px;
5447: }
5448:
5449: .LC_disc_action_right {
5450: background: $sidebg;
5451: text-align: right;
5452: padding: 4px;
5453: margin: 2px;
5454: }
5455:
5456: .LC_disc_new_item {
5457: background: white;
5458: border: 2px solid red;
5459: margin: 4px;
5460: padding: 4px;
5461: }
5462:
5463: .LC_disc_old_item {
5464: background: white;
5465: margin: 4px;
5466: padding: 4px;
5467: }
5468:
5469: table.LC_pastsubmission {
5470: border: 1px solid black;
5471: margin: 2px;
5472: }
5473:
5474: table#LC_menubuttons {
5475: width: 100%;
5476: background: $pgbg;
5477: border: 2px;
5478: border-collapse: separate;
5479: padding: 0;
5480: }
5481:
5482: table#LC_title_bar a {
5483: color: $fontmenu;
5484: }
5485:
5486: table#LC_title_bar {
5487: clear: both;
5488: display: none;
5489: }
5490:
5491: table#LC_title_bar,
5492: table.LC_breadcrumbs, /* obsolete? */
5493: table#LC_title_bar.LC_with_remote {
5494: width: 100%;
5495: border-color: $pgbg;
5496: border-style: solid;
5497: border-width: $border;
5498: background: $pgbg;
5499: color: $fontmenu;
5500: border-collapse: collapse;
5501: padding: 0;
5502: margin: 0;
5503: }
5504:
5505: ul.LC_breadcrumb_tools_outerlist {
5506: margin: 0;
5507: padding: 0;
5508: position: relative;
5509: list-style: none;
5510: }
5511: ul.LC_breadcrumb_tools_outerlist li {
5512: display: inline;
5513: }
5514:
5515: .LC_breadcrumb_tools_navigation {
5516: padding: 0;
5517: margin: 0;
5518: float: left;
5519: }
5520: .LC_breadcrumb_tools_tools {
5521: padding: 0;
5522: margin: 0;
5523: float: right;
5524: }
5525:
5526: table#LC_title_bar td {
5527: background: $tabbg;
5528: }
5529:
5530: table#LC_menubuttons img {
5531: border: none;
5532: }
5533:
5534: .LC_breadcrumbs_component {
5535: float: right;
5536: margin: 0 1em;
5537: }
5538: .LC_breadcrumbs_component img {
5539: vertical-align: middle;
5540: }
5541:
5542: td.LC_table_cell_checkbox {
5543: text-align: center;
5544: }
5545:
5546: .LC_fontsize_small {
5547: font-size: 70%;
5548: }
5549:
5550: #LC_breadcrumbs {
5551: clear:both;
5552: background: $sidebg;
5553: border-bottom: 1px solid $lg_border_color;
5554: line-height: 2.5em;
5555: overflow: hidden;
5556: margin: 0;
5557: padding: 0;
5558: text-align: left;
5559: }
5560:
5561: .LC_head_subbox, .LC_actionbox {
5562: clear:both;
5563: background: #F8F8F8; /* $sidebg; */
5564: border: 1px solid $sidebg;
5565: margin: 0 0 10px 0;
5566: padding: 3px;
5567: text-align: left;
5568: }
5569:
5570: .LC_fontsize_medium {
5571: font-size: 85%;
5572: }
5573:
5574: .LC_fontsize_large {
5575: font-size: 120%;
5576: }
5577:
5578: .LC_menubuttons_inline_text {
5579: color: $font;
5580: font-size: 90%;
5581: padding-left:3px;
5582: }
5583:
5584: .LC_menubuttons_inline_text img{
5585: vertical-align: middle;
5586: }
5587:
5588: li.LC_menubuttons_inline_text img {
5589: cursor:pointer;
5590: text-decoration: none;
5591: }
5592:
5593: .LC_menubuttons_link {
5594: text-decoration: none;
5595: }
5596:
5597: .LC_menubuttons_category {
5598: color: $font;
5599: background: $pgbg;
5600: font-size: larger;
5601: font-weight: bold;
5602: }
5603:
5604: td.LC_menubuttons_text {
5605: color: $font;
5606: }
5607:
5608: .LC_current_location {
5609: background: $tabbg;
5610: }
5611:
5612: table.LC_data_table {
5613: border: 1px solid #000000;
5614: border-collapse: separate;
5615: border-spacing: 1px;
5616: background: $pgbg;
5617: }
5618:
5619: .LC_data_table_dense {
5620: font-size: small;
5621: }
5622:
5623: table.LC_nested_outer {
5624: border: 1px solid #000000;
5625: border-collapse: collapse;
5626: border-spacing: 0;
5627: width: 100%;
5628: }
5629:
5630: table.LC_innerpickbox,
5631: table.LC_nested {
5632: border: none;
5633: border-collapse: collapse;
5634: border-spacing: 0;
5635: width: 100%;
5636: }
5637:
5638: table.LC_data_table tr th,
5639: table.LC_calendar tr th,
5640: table.LC_prior_tries tr th,
5641: table.LC_innerpickbox tr th {
5642: font-weight: bold;
5643: background-color: $data_table_head;
5644: color:$fontmenu;
5645: font-size:90%;
5646: }
5647:
5648: table.LC_innerpickbox tr th,
5649: table.LC_innerpickbox tr td {
5650: vertical-align: top;
5651: }
5652:
5653: table.LC_data_table tr.LC_info_row > td {
5654: background-color: #CCCCCC;
5655: font-weight: bold;
5656: text-align: left;
5657: }
5658:
5659: table.LC_data_table tr.LC_odd_row > td {
5660: background-color: $data_table_light;
5661: padding: 2px;
5662: vertical-align: top;
5663: }
5664:
5665: table.LC_pick_box tr > td.LC_odd_row {
5666: background-color: $data_table_light;
5667: vertical-align: top;
5668: }
5669:
5670: table.LC_data_table tr.LC_even_row > td {
5671: background-color: $data_table_dark;
5672: padding: 2px;
5673: vertical-align: top;
5674: }
5675:
5676: table.LC_pick_box tr > td.LC_even_row {
5677: background-color: $data_table_dark;
5678: vertical-align: top;
5679: }
5680:
5681: table.LC_data_table tr.LC_data_table_highlight td {
5682: background-color: $data_table_darker;
5683: }
5684:
5685: table.LC_data_table tr td.LC_leftcol_header {
5686: background-color: $data_table_head;
5687: font-weight: bold;
5688: }
5689:
5690: table.LC_data_table tr.LC_empty_row td,
5691: table.LC_nested tr.LC_empty_row td {
5692: font-weight: bold;
5693: font-style: italic;
5694: text-align: center;
5695: padding: 8px;
5696: }
5697:
5698: table.LC_data_table tr.LC_empty_row td {
5699: background-color: $sidebg;
5700: }
5701:
5702: table.LC_nested tr.LC_empty_row td {
5703: background-color: #FFFFFF;
5704: }
5705:
5706: table.LC_caption {
5707: }
5708:
5709: table.LC_nested tr.LC_empty_row td {
5710: padding: 4ex
5711: }
5712:
5713: table.LC_nested_outer tr th {
5714: font-weight: bold;
5715: color:$fontmenu;
5716: background-color: $data_table_head;
5717: font-size: small;
5718: border-bottom: 1px solid #000000;
5719: }
5720:
5721: table.LC_nested_outer tr td.LC_subheader {
5722: background-color: $data_table_head;
5723: font-weight: bold;
5724: font-size: small;
5725: border-bottom: 1px solid #000000;
5726: text-align: right;
5727: }
5728:
5729: table.LC_nested tr.LC_info_row td {
5730: background-color: #CCCCCC;
5731: font-weight: bold;
5732: font-size: small;
5733: text-align: center;
5734: }
5735:
5736: table.LC_nested tr.LC_info_row td.LC_left_item,
5737: table.LC_nested_outer tr th.LC_left_item {
5738: text-align: left;
5739: }
5740:
5741: table.LC_nested td {
5742: background-color: #FFFFFF;
5743: font-size: small;
5744: }
5745:
5746: table.LC_nested_outer tr th.LC_right_item,
5747: table.LC_nested tr.LC_info_row td.LC_right_item,
5748: table.LC_nested tr.LC_odd_row td.LC_right_item,
5749: table.LC_nested tr td.LC_right_item {
5750: text-align: right;
5751: }
5752:
5753: table.LC_nested tr.LC_odd_row td {
5754: background-color: #EEEEEE;
5755: }
5756:
5757: table.LC_createuser {
5758: }
5759:
5760: table.LC_createuser tr.LC_section_row td {
5761: font-size: small;
5762: }
5763:
5764: table.LC_createuser tr.LC_info_row td {
5765: background-color: #CCCCCC;
5766: font-weight: bold;
5767: text-align: center;
5768: }
5769:
5770: table.LC_calendar {
5771: border: 1px solid #000000;
5772: border-collapse: collapse;
5773: width: 98%;
5774: }
5775:
5776: table.LC_calendar_pickdate {
5777: font-size: xx-small;
5778: }
5779:
5780: table.LC_calendar tr td {
5781: border: 1px solid #000000;
5782: vertical-align: top;
5783: width: 14%;
5784: }
5785:
5786: table.LC_calendar tr td.LC_calendar_day_empty {
5787: background-color: $data_table_dark;
5788: }
5789:
5790: table.LC_calendar tr td.LC_calendar_day_current {
5791: background-color: $data_table_highlight;
5792: }
5793:
5794: table.LC_data_table tr td.LC_mail_new {
5795: background-color: $mail_new;
5796: }
5797:
5798: table.LC_data_table tr.LC_mail_new:hover {
5799: background-color: $mail_new_hover;
5800: }
5801:
5802: table.LC_data_table tr td.LC_mail_read {
5803: background-color: $mail_read;
5804: }
5805:
5806: /*
5807: table.LC_data_table tr.LC_mail_read:hover {
5808: background-color: $mail_read_hover;
5809: }
5810: */
5811:
5812: table.LC_data_table tr td.LC_mail_replied {
5813: background-color: $mail_replied;
5814: }
5815:
5816: /*
5817: table.LC_data_table tr.LC_mail_replied:hover {
5818: background-color: $mail_replied_hover;
5819: }
5820: */
5821:
5822: table.LC_data_table tr td.LC_mail_other {
5823: background-color: $mail_other;
5824: }
5825:
5826: /*
5827: table.LC_data_table tr.LC_mail_other:hover {
5828: background-color: $mail_other_hover;
5829: }
5830: */
5831:
5832: table.LC_data_table tr > td.LC_browser_file,
5833: table.LC_data_table tr > td.LC_browser_file_published {
5834: background: #AAEE77;
5835: }
5836:
5837: table.LC_data_table tr > td.LC_browser_file_locked,
5838: table.LC_data_table tr > td.LC_browser_file_unpublished {
5839: background: #FFAA99;
5840: }
5841:
5842: table.LC_data_table tr > td.LC_browser_file_obsolete {
5843: background: #888888;
5844: }
5845:
5846: table.LC_data_table tr > td.LC_browser_file_modified,
5847: table.LC_data_table tr > td.LC_browser_file_metamodified {
5848: background: #F8F866;
5849: }
5850:
5851: table.LC_data_table tr.LC_browser_folder > td {
5852: background: #E0E8FF;
5853: }
5854:
5855: table.LC_data_table tr > td.LC_roles_is {
5856: /* background: #77FF77; */
5857: }
5858:
5859: table.LC_data_table tr > td.LC_roles_future {
5860: border-right: 8px solid #FFFF77;
5861: }
5862:
5863: table.LC_data_table tr > td.LC_roles_will {
5864: border-right: 8px solid #FFAA77;
5865: }
5866:
5867: table.LC_data_table tr > td.LC_roles_expired {
5868: border-right: 8px solid #FF7777;
5869: }
5870:
5871: table.LC_data_table tr > td.LC_roles_will_not {
5872: border-right: 8px solid #AAFF77;
5873: }
5874:
5875: table.LC_data_table tr > td.LC_roles_selected {
5876: border-right: 8px solid #11CC55;
5877: }
5878:
5879: span.LC_current_location {
5880: font-size:larger;
5881: background: $pgbg;
5882: }
5883:
5884: span.LC_current_nav_location {
5885: font-weight:bold;
5886: background: $sidebg;
5887: }
5888:
5889: span.LC_parm_menu_item {
5890: font-size: larger;
5891: }
5892:
5893: span.LC_parm_scope_all {
5894: color: red;
5895: }
5896:
5897: span.LC_parm_scope_folder {
5898: color: green;
5899: }
5900:
5901: span.LC_parm_scope_resource {
5902: color: orange;
5903: }
5904:
5905: span.LC_parm_part {
5906: color: blue;
5907: }
5908:
5909: span.LC_parm_folder,
5910: span.LC_parm_symb {
5911: font-size: x-small;
5912: font-family: $mono;
5913: color: #AAAAAA;
5914: }
5915:
5916: ul.LC_parm_parmlist li {
5917: display: inline-block;
5918: padding: 0.3em 0.8em;
5919: vertical-align: top;
5920: width: 150px;
5921: border-top:1px solid $lg_border_color;
5922: }
5923:
5924: td.LC_parm_overview_level_menu,
5925: td.LC_parm_overview_map_menu,
5926: td.LC_parm_overview_parm_selectors,
5927: td.LC_parm_overview_restrictions {
5928: border: 1px solid black;
5929: border-collapse: collapse;
5930: }
5931:
5932: table.LC_parm_overview_restrictions td {
5933: border-width: 1px 4px 1px 4px;
5934: border-style: solid;
5935: border-color: $pgbg;
5936: text-align: center;
5937: }
5938:
5939: table.LC_parm_overview_restrictions th {
5940: background: $tabbg;
5941: border-width: 1px 4px 1px 4px;
5942: border-style: solid;
5943: border-color: $pgbg;
5944: }
5945:
5946: table#LC_helpmenu {
5947: border: none;
5948: height: 55px;
5949: border-spacing: 0;
5950: }
5951:
5952: table#LC_helpmenu fieldset legend {
5953: font-size: larger;
5954: }
5955:
5956: table#LC_helpmenu_links {
5957: width: 100%;
5958: border: 1px solid black;
5959: background: $pgbg;
5960: padding: 0;
5961: border-spacing: 1px;
5962: }
5963:
5964: table#LC_helpmenu_links tr td {
5965: padding: 1px;
5966: background: $tabbg;
5967: text-align: center;
5968: font-weight: bold;
5969: }
5970:
5971: table#LC_helpmenu_links a:link,
5972: table#LC_helpmenu_links a:visited,
5973: table#LC_helpmenu_links a:active {
5974: text-decoration: none;
5975: color: $font;
5976: }
5977:
5978: table#LC_helpmenu_links a:hover {
5979: text-decoration: underline;
5980: color: $vlink;
5981: }
5982:
5983: .LC_chrt_popup_exists {
5984: border: 1px solid #339933;
5985: margin: -1px;
5986: }
5987:
5988: .LC_chrt_popup_up {
5989: border: 1px solid yellow;
5990: margin: -1px;
5991: }
5992:
5993: .LC_chrt_popup {
5994: border: 1px solid #8888FF;
5995: background: #CCCCFF;
5996: }
5997:
5998: table.LC_pick_box {
5999: border-collapse: separate;
6000: background: white;
6001: border: 1px solid black;
6002: border-spacing: 1px;
6003: }
6004:
6005: table.LC_pick_box td.LC_pick_box_title {
6006: background: $sidebg;
6007: font-weight: bold;
6008: text-align: left;
6009: vertical-align: top;
6010: width: 184px;
6011: padding: 8px;
6012: }
6013:
6014: table.LC_pick_box td.LC_pick_box_value {
6015: text-align: left;
6016: padding: 8px;
6017: }
6018:
6019: table.LC_pick_box td.LC_pick_box_select {
6020: text-align: left;
6021: padding: 8px;
6022: }
6023:
6024: table.LC_pick_box td.LC_pick_box_separator {
6025: padding: 0;
6026: height: 1px;
6027: background: black;
6028: }
6029:
6030: table.LC_pick_box td.LC_pick_box_submit {
6031: text-align: right;
6032: }
6033:
6034: table.LC_pick_box td.LC_evenrow_value {
6035: text-align: left;
6036: padding: 8px;
6037: background-color: $data_table_light;
6038: }
6039:
6040: table.LC_pick_box td.LC_oddrow_value {
6041: text-align: left;
6042: padding: 8px;
6043: background-color: $data_table_light;
6044: }
6045:
6046: span.LC_helpform_receipt_cat {
6047: font-weight: bold;
6048: }
6049:
6050: table.LC_group_priv_box {
6051: background: white;
6052: border: 1px solid black;
6053: border-spacing: 1px;
6054: }
6055:
6056: table.LC_group_priv_box td.LC_pick_box_title {
6057: background: $tabbg;
6058: font-weight: bold;
6059: text-align: right;
6060: width: 184px;
6061: }
6062:
6063: table.LC_group_priv_box td.LC_groups_fixed {
6064: background: $data_table_light;
6065: text-align: center;
6066: }
6067:
6068: table.LC_group_priv_box td.LC_groups_optional {
6069: background: $data_table_dark;
6070: text-align: center;
6071: }
6072:
6073: table.LC_group_priv_box td.LC_groups_functionality {
6074: background: $data_table_darker;
6075: text-align: center;
6076: font-weight: bold;
6077: }
6078:
6079: table.LC_group_priv td {
6080: text-align: left;
6081: padding: 0;
6082: }
6083:
6084: .LC_navbuttons {
6085: margin: 2ex 0ex 2ex 0ex;
6086: }
6087:
6088: .LC_topic_bar {
6089: font-weight: bold;
6090: background: $tabbg;
6091: margin: 1em 0em 1em 2em;
6092: padding: 3px;
6093: font-size: 1.2em;
6094: }
6095:
6096: .LC_topic_bar span {
6097: left: 0.5em;
6098: position: absolute;
6099: vertical-align: middle;
6100: font-size: 1.2em;
6101: }
6102:
6103: table.LC_course_group_status {
6104: margin: 20px;
6105: }
6106:
6107: table.LC_status_selector td {
6108: vertical-align: top;
6109: text-align: center;
6110: padding: 4px;
6111: }
6112:
6113: div.LC_feedback_link {
6114: clear: both;
6115: background: $sidebg;
6116: width: 100%;
6117: padding-bottom: 10px;
6118: border: 1px $tabbg solid;
6119: height: 22px;
6120: line-height: 22px;
6121: padding-top: 5px;
6122: }
6123:
6124: div.LC_feedback_link img {
6125: height: 22px;
6126: vertical-align:middle;
6127: }
6128:
6129: div.LC_feedback_link a {
6130: text-decoration: none;
6131: }
6132:
6133: div.LC_comblock {
6134: display:inline;
6135: color:$font;
6136: font-size:90%;
6137: }
6138:
6139: div.LC_feedback_link div.LC_comblock {
6140: padding-left:5px;
6141: }
6142:
6143: div.LC_feedback_link div.LC_comblock a {
6144: color:$font;
6145: }
6146:
6147: span.LC_feedback_link {
6148: /* background: $feedback_link_bg; */
6149: font-size: larger;
6150: }
6151:
6152: span.LC_message_link {
6153: /* background: $feedback_link_bg; */
6154: font-size: larger;
6155: position: absolute;
6156: right: 1em;
6157: }
6158:
6159: table.LC_prior_tries {
6160: border: 1px solid #000000;
6161: border-collapse: separate;
6162: border-spacing: 1px;
6163: }
6164:
6165: table.LC_prior_tries td {
6166: padding: 2px;
6167: }
6168:
6169: .LC_answer_correct {
6170: background: lightgreen;
6171: color: darkgreen;
6172: padding: 6px;
6173: }
6174:
6175: .LC_answer_charged_try {
6176: background: #FFAAAA;
6177: color: darkred;
6178: padding: 6px;
6179: }
6180:
6181: .LC_answer_not_charged_try,
6182: .LC_answer_no_grade,
6183: .LC_answer_late {
6184: background: lightyellow;
6185: color: black;
6186: padding: 6px;
6187: }
6188:
6189: .LC_answer_previous {
6190: background: lightblue;
6191: color: darkblue;
6192: padding: 6px;
6193: }
6194:
6195: .LC_answer_no_message {
6196: background: #FFFFFF;
6197: color: black;
6198: padding: 6px;
6199: }
6200:
6201: .LC_answer_unknown {
6202: background: orange;
6203: color: black;
6204: padding: 6px;
6205: }
6206:
6207: span.LC_prior_numerical,
6208: span.LC_prior_string,
6209: span.LC_prior_custom,
6210: span.LC_prior_reaction,
6211: span.LC_prior_math {
6212: font-family: $mono;
6213: white-space: pre;
6214: }
6215:
6216: span.LC_prior_string {
6217: font-family: $mono;
6218: white-space: pre;
6219: }
6220:
6221: table.LC_prior_option {
6222: width: 100%;
6223: border-collapse: collapse;
6224: }
6225:
6226: table.LC_prior_rank,
6227: table.LC_prior_match {
6228: border-collapse: collapse;
6229: }
6230:
6231: table.LC_prior_option tr td,
6232: table.LC_prior_rank tr td,
6233: table.LC_prior_match tr td {
6234: border: 1px solid #000000;
6235: }
6236:
6237: .LC_nobreak {
6238: white-space: nowrap;
6239: }
6240:
6241: span.LC_cusr_emph {
6242: font-style: italic;
6243: }
6244:
6245: span.LC_cusr_subheading {
6246: font-weight: normal;
6247: font-size: 85%;
6248: }
6249:
6250: div.LC_docs_entry_move {
6251: border: 1px solid #BBBBBB;
6252: background: #DDDDDD;
6253: width: 22px;
6254: padding: 1px;
6255: margin: 0;
6256: }
6257:
6258: table.LC_data_table tr > td.LC_docs_entry_commands,
6259: table.LC_data_table tr > td.LC_docs_entry_parameter {
6260: font-size: x-small;
6261: }
6262:
6263: .LC_docs_entry_parameter {
6264: white-space: nowrap;
6265: }
6266:
6267: .LC_docs_copy {
6268: color: #000099;
6269: }
6270:
6271: .LC_docs_cut {
6272: color: #550044;
6273: }
6274:
6275: .LC_docs_rename {
6276: color: #009900;
6277: }
6278:
6279: .LC_docs_remove {
6280: color: #990000;
6281: }
6282:
6283: .LC_docs_reinit_warn,
6284: .LC_docs_ext_edit {
6285: font-size: x-small;
6286: }
6287:
6288: table.LC_docs_adddocs td,
6289: table.LC_docs_adddocs th {
6290: border: 1px solid #BBBBBB;
6291: padding: 4px;
6292: background: #DDDDDD;
6293: }
6294:
6295: table.LC_sty_begin {
6296: background: #BBFFBB;
6297: }
6298:
6299: table.LC_sty_end {
6300: background: #FFBBBB;
6301: }
6302:
6303: table.LC_double_column {
6304: border-width: 0;
6305: border-collapse: collapse;
6306: width: 100%;
6307: padding: 2px;
6308: }
6309:
6310: table.LC_double_column tr td.LC_left_col {
6311: top: 2px;
6312: left: 2px;
6313: width: 47%;
6314: vertical-align: top;
6315: }
6316:
6317: table.LC_double_column tr td.LC_right_col {
6318: top: 2px;
6319: right: 2px;
6320: width: 47%;
6321: vertical-align: top;
6322: }
6323:
6324: div.LC_left_float {
6325: float: left;
6326: padding-right: 5%;
6327: padding-bottom: 4px;
6328: }
6329:
6330: div.LC_clear_float_header {
6331: padding-bottom: 2px;
6332: }
6333:
6334: div.LC_clear_float_footer {
6335: padding-top: 10px;
6336: clear: both;
6337: }
6338:
6339: div.LC_grade_show_user {
6340: /* border-left: 5px solid $sidebg; */
6341: border-top: 5px solid #000000;
6342: margin: 50px 0 0 0;
6343: padding: 15px 0 5px 10px;
6344: }
6345:
6346: div.LC_grade_show_user_odd_row {
6347: /* border-left: 5px solid #000000; */
6348: }
6349:
6350: div.LC_grade_show_user div.LC_Box {
6351: margin-right: 50px;
6352: }
6353:
6354: div.LC_grade_submissions,
6355: div.LC_grade_message_center,
6356: div.LC_grade_info_links {
6357: margin: 5px;
6358: width: 99%;
6359: background: #FFFFFF;
6360: }
6361:
6362: div.LC_grade_submissions_header,
6363: div.LC_grade_message_center_header {
6364: font-weight: bold;
6365: font-size: large;
6366: }
6367:
6368: div.LC_grade_submissions_body,
6369: div.LC_grade_message_center_body {
6370: border: 1px solid black;
6371: width: 99%;
6372: background: #FFFFFF;
6373: }
6374:
6375: table.LC_scantron_action {
6376: width: 100%;
6377: }
6378:
6379: table.LC_scantron_action tr th {
6380: font-weight:bold;
6381: font-style:normal;
6382: }
6383:
6384: .LC_edit_problem_header,
6385: div.LC_edit_problem_footer {
6386: font-weight: normal;
6387: font-size: medium;
6388: margin: 2px;
6389: background-color: $sidebg;
6390: }
6391:
6392: div.LC_edit_problem_header,
6393: div.LC_edit_problem_header div,
6394: div.LC_edit_problem_footer,
6395: div.LC_edit_problem_footer div,
6396: div.LC_edit_problem_editxml_header,
6397: div.LC_edit_problem_editxml_header div {
6398: margin-top: 5px;
6399: }
6400:
6401: div.LC_edit_problem_header_title {
6402: font-weight: bold;
6403: font-size: larger;
6404: background: $tabbg;
6405: padding: 3px;
6406: margin: 0 0 5px 0;
6407: }
6408:
6409: table.LC_edit_problem_header_title {
6410: width: 100%;
6411: background: $tabbg;
6412: }
6413:
6414: div.LC_edit_problem_discards {
6415: float: left;
6416: padding-bottom: 5px;
6417: }
6418:
6419: div.LC_edit_problem_saves {
6420: float: right;
6421: padding-bottom: 5px;
6422: }
6423:
6424: img.stift {
6425: border-width: 0;
6426: vertical-align: middle;
6427: }
6428:
6429: table td.LC_mainmenu_col_fieldset {
6430: vertical-align: top;
6431: }
6432:
6433: div.LC_createcourse {
6434: margin: 10px 10px 10px 10px;
6435: }
6436:
6437: .LC_dccid {
6438: margin: 0.2em 0 0 0;
6439: padding: 0;
6440: font-size: 90%;
6441: display:none;
6442: }
6443:
6444: ol.LC_primary_menu a:hover,
6445: ol#LC_MenuBreadcrumbs a:hover,
6446: ol#LC_PathBreadcrumbs a:hover,
6447: ul#LC_secondary_menu a:hover,
6448: .LC_FormSectionClearButton input:hover
6449: ul.LC_TabContent li:hover a {
6450: color:$button_hover;
6451: text-decoration:none;
6452: }
6453:
6454: h1 {
6455: padding: 0;
6456: line-height:130%;
6457: }
6458:
6459: h2,
6460: h3,
6461: h4,
6462: h5,
6463: h6 {
6464: margin: 5px 0 5px 0;
6465: padding: 0;
6466: line-height:130%;
6467: }
6468:
6469: .LC_hcell {
6470: padding:3px 15px 3px 15px;
6471: margin: 0;
6472: background-color:$tabbg;
6473: color:$fontmenu;
6474: border-bottom:solid 1px $lg_border_color;
6475: }
6476:
6477: .LC_Box > .LC_hcell {
6478: margin: 0 -10px 10px -10px;
6479: }
6480:
6481: .LC_noBorder {
6482: border: 0;
6483: }
6484:
6485: .LC_FormSectionClearButton input {
6486: background-color:transparent;
6487: border: none;
6488: cursor:pointer;
6489: text-decoration:underline;
6490: }
6491:
6492: .LC_help_open_topic {
6493: color: #FFFFFF;
6494: background-color: #EEEEFF;
6495: margin: 1px;
6496: padding: 4px;
6497: border: 1px solid #000033;
6498: white-space: nowrap;
6499: /* vertical-align: middle; */
6500: }
6501:
6502: dl,
6503: ul,
6504: div,
6505: fieldset {
6506: margin: 10px 10px 10px 0;
6507: /* overflow: hidden; */
6508: }
6509:
6510: fieldset > legend {
6511: font-weight: bold;
6512: padding: 0 5px 0 5px;
6513: }
6514:
6515: #LC_nav_bar {
6516: float: left;
6517: background-color: $pgbg_or_bgcolor;
6518: margin: 0 0 2px 0;
6519: }
6520:
6521: #LC_realm {
6522: margin: 0.2em 0 0 0;
6523: padding: 0;
6524: font-weight: bold;
6525: text-align: center;
6526: background-color: $pgbg_or_bgcolor;
6527: }
6528:
6529: #LC_nav_bar em {
6530: font-weight: bold;
6531: font-style: normal;
6532: }
6533:
6534: ol.LC_primary_menu {
6535: float: right;
6536: margin: 0;
6537: padding: 0;
6538: background-color: $pgbg_or_bgcolor;
6539: }
6540:
6541: ol#LC_PathBreadcrumbs {
6542: margin: 0;
6543: }
6544:
6545: ol.LC_primary_menu li {
6546: color: RGB(80, 80, 80);
6547: vertical-align: middle;
6548: text-align: left;
6549: list-style: none;
6550: float: left;
6551: }
6552:
6553: ol.LC_primary_menu li a {
6554: display: block;
6555: margin: 0;
6556: padding: 0 5px 0 10px;
6557: text-decoration: none;
6558: }
6559:
6560: ol.LC_primary_menu li ul {
6561: display: none;
6562: width: 10em;
6563: background-color: $data_table_light;
6564: }
6565:
6566: ol.LC_primary_menu li:hover ul, ol.LC_primary_menu li.hover ul {
6567: display: block;
6568: position: absolute;
6569: margin: 0;
6570: padding: 0;
6571: z-index: 2;
6572: }
6573:
6574: ol.LC_primary_menu li:hover li, ol.LC_primary_menu li.hover li {
6575: font-size: 90%;
6576: vertical-align: top;
6577: float: none;
6578: border-left: 1px solid black;
6579: border-right: 1px solid black;
6580: }
6581:
6582: ol.LC_primary_menu li:hover li a, ol.LC_primary_menu li.hover li a {
6583: background-color:$data_table_light;
6584: }
6585:
6586: ol.LC_primary_menu li li a:hover {
6587: color:$button_hover;
6588: background-color:$data_table_dark;
6589: }
6590:
6591: ol.LC_primary_menu li img {
6592: vertical-align: bottom;
6593: height: 1.1em;
6594: margin: 0.2em 0 0 0;
6595: }
6596:
6597: ol.LC_primary_menu a {
6598: color: RGB(80, 80, 80);
6599: text-decoration: none;
6600: }
6601:
6602: ol.LC_primary_menu a.LC_new_message {
6603: font-weight:bold;
6604: color: darkred;
6605: }
6606:
6607: ol.LC_docs_parameters {
6608: margin-left: 0;
6609: padding: 0;
6610: list-style: none;
6611: }
6612:
6613: ol.LC_docs_parameters li {
6614: margin: 0;
6615: padding-right: 20px;
6616: display: inline;
6617: }
6618:
6619: ol.LC_docs_parameters li:before {
6620: content: "\\002022 \\0020";
6621: }
6622:
6623: li.LC_docs_parameters_title {
6624: font-weight: bold;
6625: }
6626:
6627: ol.LC_docs_parameters li.LC_docs_parameters_title:before {
6628: content: "";
6629: }
6630:
6631: ul#LC_secondary_menu {
6632: clear: right;
6633: color: $fontmenu;
6634: background: $tabbg;
6635: list-style: none;
6636: padding: 0;
6637: margin: 0;
6638: width: 100%;
6639: text-align: left;
6640: float: left;
6641: }
6642:
6643: ul#LC_secondary_menu li {
6644: font-weight: bold;
6645: line-height: 1.8em;
6646: border-right: 1px solid black;
6647: vertical-align: middle;
6648: float: left;
6649: }
6650:
6651: ul#LC_secondary_menu li.LC_hoverable:hover, ul#LC_secondary_menu li.hover {
6652: background-color: $data_table_light;
6653: }
6654:
6655: ul#LC_secondary_menu li a {
6656: padding: 0 0.8em;
6657: }
6658:
6659: ul#LC_secondary_menu li ul {
6660: display: none;
6661: }
6662:
6663: ul#LC_secondary_menu li:hover ul, ul#LC_secondary_menu li.hover ul {
6664: display: block;
6665: position: absolute;
6666: margin: 0;
6667: padding: 0;
6668: list-style:none;
6669: float: none;
6670: background-color: $data_table_light;
6671: z-index: 2;
6672: margin-left: -1px;
6673: }
6674:
6675: ul#LC_secondary_menu li ul li {
6676: font-size: 90%;
6677: vertical-align: top;
6678: border-left: 1px solid black;
6679: border-right: 1px solid black;
6680: background-color: $data_table_light
6681: list-style:none;
6682: float: none;
6683: }
6684:
6685: ul#LC_secondary_menu li ul li:hover, ul#LC_secondary_menu li ul li.hover {
6686: background-color: $data_table_dark;
6687: }
6688:
6689: ul.LC_TabContent {
6690: display:block;
6691: background: $sidebg;
6692: border-bottom: solid 1px $lg_border_color;
6693: list-style:none;
6694: margin: -1px -10px 0 -10px;
6695: padding: 0;
6696: }
6697:
6698: ul.LC_TabContent li,
6699: ul.LC_TabContentBigger li {
6700: float:left;
6701: }
6702:
6703: ul#LC_secondary_menu li a {
6704: color: $fontmenu;
6705: text-decoration: none;
6706: }
6707:
6708: ul.LC_TabContent {
6709: min-height:20px;
6710: }
6711:
6712: ul.LC_TabContent li {
6713: vertical-align:middle;
6714: padding: 0 16px 0 10px;
6715: background-color:$tabbg;
6716: border-bottom:solid 1px $lg_border_color;
6717: border-left: solid 1px $font;
6718: }
6719:
6720: ul.LC_TabContent .right {
6721: float:right;
6722: }
6723:
6724: ul.LC_TabContent li a,
6725: ul.LC_TabContent li {
6726: color:rgb(47,47,47);
6727: text-decoration:none;
6728: font-size:95%;
6729: font-weight:bold;
6730: min-height:20px;
6731: }
6732:
6733: ul.LC_TabContent li a:hover,
6734: ul.LC_TabContent li a:focus {
6735: color: $button_hover;
6736: background:none;
6737: outline:none;
6738: }
6739:
6740: ul.LC_TabContent li:hover {
6741: color: $button_hover;
6742: cursor:pointer;
6743: }
6744:
6745: ul.LC_TabContent li.active {
6746: color: $font;
6747: background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
6748: border-bottom:solid 1px #FFFFFF;
6749: cursor: default;
6750: }
6751:
6752: ul.LC_TabContent li.active a {
6753: color:$font;
6754: background:#FFFFFF;
6755: outline: none;
6756: }
6757:
6758: ul.LC_TabContent li.goback {
6759: float: left;
6760: border-left: none;
6761: }
6762:
6763: #maincoursedoc {
6764: clear:both;
6765: }
6766:
6767: ul.LC_TabContentBigger {
6768: display:block;
6769: list-style:none;
6770: padding: 0;
6771: }
6772:
6773: ul.LC_TabContentBigger li {
6774: vertical-align:bottom;
6775: height: 30px;
6776: font-size:110%;
6777: font-weight:bold;
6778: color: #737373;
6779: }
6780:
6781: ul.LC_TabContentBigger li.active {
6782: position: relative;
6783: top: 1px;
6784: }
6785:
6786: ul.LC_TabContentBigger li a {
6787: background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
6788: height: 30px;
6789: line-height: 30px;
6790: text-align: center;
6791: display: block;
6792: text-decoration: none;
6793: outline: none;
6794: }
6795:
6796: ul.LC_TabContentBigger li.active a {
6797: background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
6798: color:$font;
6799: }
6800:
6801: ul.LC_TabContentBigger li b {
6802: background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
6803: display: block;
6804: float: left;
6805: padding: 0 30px;
6806: border-bottom: 1px solid $lg_border_color;
6807: }
6808:
6809: ul.LC_TabContentBigger li:hover b {
6810: color:$button_hover;
6811: }
6812:
6813: ul.LC_TabContentBigger li.active b {
6814: background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
6815: color:$font;
6816: border: 0;
6817: }
6818:
6819:
6820: ul.LC_CourseBreadcrumbs {
6821: background: $sidebg;
6822: height: 2em;
6823: padding-left: 10px;
6824: margin: 0;
6825: list-style-position: inside;
6826: }
6827:
6828: ol#LC_MenuBreadcrumbs,
6829: ol#LC_PathBreadcrumbs {
6830: padding-left: 10px;
6831: margin: 0;
6832: height: 2.5em; /* equal to #LC_breadcrumbs line-height */
6833: }
6834:
6835: ol#LC_MenuBreadcrumbs li,
6836: ol#LC_PathBreadcrumbs li,
6837: ul.LC_CourseBreadcrumbs li {
6838: display: inline;
6839: white-space: normal;
6840: }
6841:
6842: ol#LC_MenuBreadcrumbs li a,
6843: ul.LC_CourseBreadcrumbs li a {
6844: text-decoration: none;
6845: font-size:90%;
6846: }
6847:
6848: ol#LC_MenuBreadcrumbs h1 {
6849: display: inline;
6850: font-size: 90%;
6851: line-height: 2.5em;
6852: margin: 0;
6853: padding: 0;
6854: }
6855:
6856: ol#LC_PathBreadcrumbs li a {
6857: text-decoration:none;
6858: font-size:100%;
6859: font-weight:bold;
6860: }
6861:
6862: .LC_Box {
6863: border: solid 1px $lg_border_color;
6864: padding: 0 10px 10px 10px;
6865: }
6866:
6867: .LC_DocsBox {
6868: border: solid 1px $lg_border_color;
6869: padding: 0 0 10px 10px;
6870: }
6871:
6872: .LC_AboutMe_Image {
6873: float:left;
6874: margin-right:10px;
6875: }
6876:
6877: .LC_Clear_AboutMe_Image {
6878: clear:left;
6879: }
6880:
6881: dl.LC_ListStyleClean dt {
6882: padding-right: 5px;
6883: display: table-header-group;
6884: }
6885:
6886: dl.LC_ListStyleClean dd {
6887: display: table-row;
6888: }
6889:
6890: .LC_ListStyleClean,
6891: .LC_ListStyleSimple,
6892: .LC_ListStyleNormal,
6893: .LC_ListStyleSpecial {
6894: /* display:block; */
6895: list-style-position: inside;
6896: list-style-type: none;
6897: overflow: hidden;
6898: padding: 0;
6899: }
6900:
6901: .LC_ListStyleSimple li,
6902: .LC_ListStyleSimple dd,
6903: .LC_ListStyleNormal li,
6904: .LC_ListStyleNormal dd,
6905: .LC_ListStyleSpecial li,
6906: .LC_ListStyleSpecial dd {
6907: margin: 0;
6908: padding: 5px 5px 5px 10px;
6909: clear: both;
6910: }
6911:
6912: .LC_ListStyleClean li,
6913: .LC_ListStyleClean dd {
6914: padding-top: 0;
6915: padding-bottom: 0;
6916: }
6917:
6918: .LC_ListStyleSimple dd,
6919: .LC_ListStyleSimple li {
6920: border-bottom: solid 1px $lg_border_color;
6921: }
6922:
6923: .LC_ListStyleSpecial li,
6924: .LC_ListStyleSpecial dd {
6925: list-style-type: none;
6926: background-color: RGB(220, 220, 220);
6927: margin-bottom: 4px;
6928: }
6929:
6930: table.LC_SimpleTable {
6931: margin:5px;
6932: border:solid 1px $lg_border_color;
6933: }
6934:
6935: table.LC_SimpleTable tr {
6936: padding: 0;
6937: border:solid 1px $lg_border_color;
6938: }
6939:
6940: table.LC_SimpleTable thead {
6941: background:rgb(220,220,220);
6942: }
6943:
6944: div.LC_columnSection {
6945: display: block;
6946: clear: both;
6947: overflow: hidden;
6948: margin: 0;
6949: }
6950:
6951: div.LC_columnSection>* {
6952: float: left;
6953: margin: 10px 20px 10px 0;
6954: overflow:hidden;
6955: }
6956:
6957: table em {
6958: font-weight: bold;
6959: font-style: normal;
6960: }
6961:
6962: table.LC_tableBrowseRes,
6963: table.LC_tableOfContent {
6964: border:none;
6965: border-spacing: 1px;
6966: padding: 3px;
6967: background-color: #FFFFFF;
6968: font-size: 90%;
6969: }
6970:
6971: table.LC_tableOfContent {
6972: border-collapse: collapse;
6973: }
6974:
6975: table.LC_tableBrowseRes a,
6976: table.LC_tableOfContent a {
6977: background-color: transparent;
6978: text-decoration: none;
6979: }
6980:
6981: table.LC_tableOfContent img {
6982: border: none;
6983: height: 1.3em;
6984: vertical-align: text-bottom;
6985: margin-right: 0.3em;
6986: }
6987:
6988: a#LC_content_toolbar_firsthomework {
6989: background-image:url(/res/adm/pages/open-first-problem.gif);
6990: }
6991:
6992: a#LC_content_toolbar_everything {
6993: background-image:url(/res/adm/pages/show-all.gif);
6994: }
6995:
6996: a#LC_content_toolbar_uncompleted {
6997: background-image:url(/res/adm/pages/show-incomplete-problems.gif);
6998: }
6999:
7000: #LC_content_toolbar_clearbubbles {
7001: background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
7002: }
7003:
7004: a#LC_content_toolbar_changefolder {
7005: background : url(/res/adm/pages/close-all-folders.gif) top center ;
7006: }
7007:
7008: a#LC_content_toolbar_changefolder_toggled {
7009: background-image:url(/res/adm/pages/open-all-folders.gif);
7010: }
7011:
7012: a#LC_content_toolbar_edittoplevel {
7013: background-image:url(/res/adm/pages/edittoplevel.gif);
7014: }
7015:
7016: ul#LC_toolbar li a:hover {
7017: background-position: bottom center;
7018: }
7019:
7020: ul#LC_toolbar {
7021: padding: 0;
7022: margin: 2px;
7023: list-style:none;
7024: position:relative;
7025: background-color:white;
7026: overflow: auto;
7027: }
7028:
7029: ul#LC_toolbar li {
7030: border:1px solid white;
7031: padding: 0;
7032: margin: 0;
7033: float: left;
7034: display:inline;
7035: vertical-align:middle;
7036: white-space: nowrap;
7037: }
7038:
7039:
7040: a.LC_toolbarItem {
7041: display:block;
7042: padding: 0;
7043: margin: 0;
7044: height: 32px;
7045: width: 32px;
7046: color:white;
7047: border: none;
7048: background-repeat:no-repeat;
7049: background-color:transparent;
7050: }
7051:
7052: ul.LC_funclist {
7053: margin: 0;
7054: padding: 0.5em 1em 0.5em 0;
7055: }
7056:
7057: ul.LC_funclist > li:first-child {
7058: font-weight:bold;
7059: margin-left:0.8em;
7060: }
7061:
7062: ul.LC_funclist + ul.LC_funclist {
7063: /*
7064: left border as a seperator if we have more than
7065: one list
7066: */
7067: border-left: 1px solid $sidebg;
7068: /*
7069: this hides the left border behind the border of the
7070: outer box if element is wrapped to the next 'line'
7071: */
7072: margin-left: -1px;
7073: }
7074:
7075: ul.LC_funclist li {
7076: display: inline;
7077: white-space: nowrap;
7078: margin: 0 0 0 25px;
7079: line-height: 150%;
7080: }
7081:
7082: .LC_hidden {
7083: display: none;
7084: }
7085:
7086: .LCmodal-overlay {
7087: position:fixed;
7088: top:0;
7089: right:0;
7090: bottom:0;
7091: left:0;
7092: height:100%;
7093: width:100%;
7094: margin:0;
7095: padding:0;
7096: background:#999;
7097: opacity:.75;
7098: filter: alpha(opacity=75);
7099: -moz-opacity: 0.75;
7100: z-index:101;
7101: }
7102:
7103: * html .LCmodal-overlay {
7104: position: absolute;
7105: height: expression(document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight + 'px');
7106: }
7107:
7108: .LCmodal-window {
7109: position:fixed;
7110: top:50%;
7111: left:50%;
7112: margin:0;
7113: padding:0;
7114: z-index:102;
7115: }
7116:
7117: * html .LCmodal-window {
7118: position:absolute;
7119: }
7120:
7121: .LCclose-window {
7122: position:absolute;
7123: width:32px;
7124: height:32px;
7125: right:8px;
7126: top:8px;
7127: background:transparent url('/res/adm/pages/process-stop.png') no-repeat scroll right top;
7128: text-indent:-99999px;
7129: overflow:hidden;
7130: cursor:pointer;
7131: }
7132:
7133: /*
7134: styles used by TTH when "Default set of options to pass to tth/m
7135: when converting TeX" in course settings has been set
7136:
7137: option passed: -t
7138:
7139: */
7140:
7141: td div.comp { margin-top: -0.6ex; margin-bottom: -1ex;}
7142: td div.comb { margin-top: -0.6ex; margin-bottom: -.6ex;}
7143: td div.hrcomp { line-height: 0.9; margin-top: -0.8ex; margin-bottom: -1ex;}
7144: td div.norm {line-height:normal;}
7145:
7146: /*
7147: option passed -y3
7148: */
7149:
7150: span.roman {font-family: serif; font-style: normal; font-weight: normal;}
7151: span.overacc2 {position: relative; left: .8em; top: -1.2ex;}
7152: span.overacc1 {position: relative; left: .6em; top: -1.2ex;}
7153:
7154: END
7155: }
7156:
7157: =pod
7158:
7159: =item * &headtag()
7160:
7161: Returns a uniform footer for LON-CAPA web pages.
7162:
7163: Inputs: $title - optional title for the head
7164: $head_extra - optional extra HTML to put inside the <head>
7165: $args - optional arguments
7166: force_register - if is true call registerurl so the remote is
7167: informed
7168: redirect -> array ref of
7169: 1- seconds before redirect occurs
7170: 2- url to redirect to
7171: 3- whether the side effect should occur
7172: (side effect of setting
7173: $env{'internal.head.redirect'} to the url
7174: redirected too)
7175: domain -> force to color decorate a page for a specific
7176: domain
7177: function -> force usage of a specific rolish color scheme
7178: bgcolor -> override the default page bgcolor
7179: no_auto_mt_title
7180: -> prevent &mt()ing the title arg
7181:
7182: =cut
7183:
7184: sub headtag {
7185: my ($title,$head_extra,$args) = @_;
7186:
7187: my $function = $args->{'function'} || &get_users_function();
7188: my $domain = $args->{'domain'} || &determinedomain();
7189: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
7190: my $url = join(':',$env{'user.name'},$env{'user.domain'},
7191: $Apache::lonnet::perlvar{'lonVersion'},
7192: #time(),
7193: $env{'environment.color.timestamp'},
7194: $function,$domain,$bgcolor);
7195:
7196: $url = '/adm/css/'.&escape($url).'.css';
7197:
7198: my $result =
7199: '<head>'.
7200: &font_settings();
7201:
7202: my $inhibitprint = &print_suppression();
7203:
7204: if (!$args->{'frameset'}) {
7205: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
7206: }
7207: if ($args->{'force_register'}) {
7208: $result .= &Apache::lonmenu::registerurl(1);
7209: }
7210: if (!$args->{'no_nav_bar'}
7211: && !$args->{'only_body'}
7212: && !$args->{'frameset'}) {
7213: $result .= &help_menu_js();
7214: $result.=&modal_window();
7215: $result.=&togglebox_script();
7216: $result.=&wishlist_window();
7217: $result.=&LCprogressbarUpdate_script();
7218: } else {
7219: if ($args->{'add_modal'}) {
7220: $result.=&modal_window();
7221: }
7222: if ($args->{'add_wishlist'}) {
7223: $result.=&wishlist_window();
7224: }
7225: if ($args->{'add_togglebox'}) {
7226: $result.=&togglebox_script();
7227: }
7228: if ($args->{'add_progressbar'}) {
7229: $result.=&LCprogressbarUpdate_script();
7230: }
7231: }
7232: if (ref($args->{'redirect'})) {
7233: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
7234: $url = &Apache::lonenc::check_encrypt($url);
7235: if (!$inhibit_continue) {
7236: $env{'internal.head.redirect'} = $url;
7237: }
7238: $result.=<<ADDMETA
7239: <meta http-equiv="pragma" content="no-cache" />
7240: <meta http-equiv="Refresh" content="$time; url=$url" />
7241: ADDMETA
7242: }
7243: if (!defined($title)) {
7244: $title = 'The LearningOnline Network with CAPA';
7245: }
7246: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
7247: $result .= '<title> LON-CAPA '.$title.'</title>'
7248: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
7249: .$inhibitprint
7250: .$head_extra;
7251: return $result.'</head>';
7252: }
7253:
7254: =pod
7255:
7256: =item * &font_settings()
7257:
7258: Returns neccessary <meta> to set the proper encoding
7259:
7260: Inputs: none
7261:
7262: =cut
7263:
7264: sub font_settings {
7265: my $headerstring='';
7266: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
7267: $headerstring.=
7268: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
7269: }
7270: return $headerstring;
7271: }
7272:
7273: =pod
7274:
7275: =item * &print_suppression()
7276:
7277: In course context returns css which causes the body to be blank when media="print",
7278: if printout generation is unavailable for the current resource.
7279:
7280: This could be because:
7281:
7282: (a) printstartdate is in the future
7283:
7284: (b) printenddate is in the past
7285:
7286: (c) there is an active exam block with "printout"
7287: functionality blocked
7288:
7289: Users with pav, pfo or evb privileges are exempt.
7290:
7291: Inputs: none
7292:
7293: =cut
7294:
7295:
7296: sub print_suppression {
7297: my $noprint;
7298: if ($env{'request.course.id'}) {
7299: my $scope = $env{'request.course.id'};
7300: if ((&Apache::lonnet::allowed('pav',$scope)) ||
7301: (&Apache::lonnet::allowed('pfo',$scope))) {
7302: return;
7303: }
7304: if ($env{'request.course.sec'} ne '') {
7305: $scope .= "/$env{'request.course.sec'}";
7306: if ((&Apache::lonnet::allowed('pav',$scope)) ||
7307: (&Apache::lonnet::allowed('pfo',$scope))) {
7308: return;
7309: }
7310: }
7311: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7312: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7313: my $blocked = &blocking_status('printout',$cnum,$cdom);
7314: if ($blocked) {
7315: my $checkrole = "cm./$cdom/$cnum";
7316: if ($env{'request.course.sec'} ne '') {
7317: $checkrole .= "/$env{'request.course.sec'}";
7318: }
7319: unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
7320: ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
7321: $noprint = 1;
7322: }
7323: }
7324: unless ($noprint) {
7325: my $symb = &Apache::lonnet::symbread();
7326: if ($symb ne '') {
7327: my $navmap = Apache::lonnavmaps::navmap->new();
7328: if (ref($navmap)) {
7329: my $res = $navmap->getBySymb($symb);
7330: if (ref($res)) {
7331: if (!$res->resprintable()) {
7332: $noprint = 1;
7333: }
7334: }
7335: }
7336: }
7337: }
7338: if ($noprint) {
7339: return <<"ENDSTYLE";
7340: <style type="text/css" media="print">
7341: body { display:none }
7342: </style>
7343: ENDSTYLE
7344: }
7345: }
7346: return;
7347: }
7348:
7349: =pod
7350:
7351: =item * &xml_begin()
7352:
7353: Returns the needed doctype and <html>
7354:
7355: Inputs: none
7356:
7357: =cut
7358:
7359: sub xml_begin {
7360: my $output='';
7361:
7362: if ($env{'browser.mathml'}) {
7363: $output='<?xml version="1.0"?>'
7364: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
7365: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
7366:
7367: # .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >'
7368: .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">'
7369: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
7370: .'xmlns="http://www.w3.org/1999/xhtml">';
7371: } else {
7372: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
7373: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">';
7374: }
7375: return $output;
7376: }
7377:
7378: =pod
7379:
7380: =item * &start_page()
7381:
7382: Returns a complete <html> .. <body> section for LON-CAPA web pages.
7383:
7384: Inputs:
7385:
7386: =over 4
7387:
7388: $title - optional title for the page
7389:
7390: $head_extra - optional extra HTML to incude inside the <head>
7391:
7392: $args - additional optional args supported are:
7393:
7394: =over 8
7395:
7396: only_body -> is true will set &bodytag() onlybodytag
7397: arg on
7398: no_nav_bar -> is true will set &bodytag() no_nav_bar arg on
7399: add_entries -> additional attributes to add to the <body>
7400: domain -> force to color decorate a page for a
7401: specific domain
7402: function -> force usage of a specific rolish color
7403: scheme
7404: redirect -> see &headtag()
7405: bgcolor -> override the default page bg color
7406: js_ready -> return a string ready for being used in
7407: a javascript writeln
7408: html_encode -> return a string ready for being used in
7409: a html attribute
7410: force_register -> if is true will turn on the &bodytag()
7411: $forcereg arg
7412: frameset -> if true will start with a <frameset>
7413: rather than <body>
7414: skip_phases -> hash ref of
7415: head -> skip the <html><head> generation
7416: body -> skip all <body> generation
7417: no_inline_link -> if true and in remote mode, don't show the
7418: 'Switch To Inline Menu' link
7419: no_auto_mt_title -> prevent &mt()ing the title arg
7420: inherit_jsmath -> when creating popup window in a page,
7421: should it have jsmath forced on by the
7422: current page
7423: bread_crumbs -> Array containing breadcrumbs
7424: bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs
7425: group -> includes the current group, if page is for a
7426: specific group
7427:
7428: =back
7429:
7430: =back
7431:
7432: =cut
7433:
7434: sub start_page {
7435: my ($title,$head_extra,$args) = @_;
7436: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
7437:
7438: $env{'internal.start_page'}++;
7439: my ($result,@advtools);
7440:
7441: if (! exists($args->{'skip_phases'}{'head'}) ) {
7442: $result .= &xml_begin() . &headtag($title, $head_extra, $args);
7443: }
7444:
7445: if (! exists($args->{'skip_phases'}{'body'}) ) {
7446: if ($args->{'frameset'}) {
7447: my $attr_string = &make_attr_string($args->{'force_register'},
7448: $args->{'add_entries'});
7449: $result .= "\n<frameset $attr_string>\n";
7450: } else {
7451: $result .=
7452: &bodytag($title,
7453: $args->{'function'}, $args->{'add_entries'},
7454: $args->{'only_body'}, $args->{'domain'},
7455: $args->{'force_register'}, $args->{'no_nav_bar'},
7456: $args->{'bgcolor'}, $args->{'no_inline_link'},
7457: $args, \@advtools);
7458: }
7459: }
7460:
7461: if ($args->{'js_ready'}) {
7462: $result = &js_ready($result);
7463: }
7464: if ($args->{'html_encode'}) {
7465: $result = &html_encode($result);
7466: }
7467:
7468: # Preparation for new and consistent functionlist at top of screen
7469: # if ($args->{'functionlist'}) {
7470: # $result .= &build_functionlist();
7471: #}
7472:
7473: # Don't add anything more if only_body wanted or in const space
7474: return $result if $args->{'only_body'}
7475: || $env{'request.state'} eq 'construct';
7476:
7477: #Breadcrumbs
7478: if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
7479: &Apache::lonhtmlcommon::clear_breadcrumbs();
7480: #if any br links exists, add them to the breadcrumbs
7481: if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
7482: foreach my $crumb (@{$args->{'bread_crumbs'}}){
7483: &Apache::lonhtmlcommon::add_breadcrumb($crumb);
7484: }
7485: }
7486: # if @advtools array contains items add then to the breadcrumbs
7487: if (@advtools > 0) {
7488: &Apache::lonmenu::advtools_crumbs(@advtools);
7489: }
7490:
7491: #if bread_crumbs_component exists show it as headline else show only the breadcrumbs
7492: if(exists($args->{'bread_crumbs_component'})){
7493: $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
7494: }else{
7495: $result .= &Apache::lonhtmlcommon::breadcrumbs();
7496: }
7497: } elsif (($env{'environment.remote'} eq 'on') &&
7498: ($env{'form.inhibitmenu'} ne 'yes') &&
7499: ($env{'request.noversionuri'} =~ m{^/res/}) &&
7500: ($env{'request.noversionuri'} !~ m{^/res/adm/pages/})) {
7501: $result .= '<div style="padding:0;margin:0;clear:both"><hr /></div>';
7502: }
7503: return $result;
7504: }
7505:
7506: sub end_page {
7507: my ($args) = @_;
7508: $env{'internal.end_page'}++;
7509: my $result;
7510: if ($args->{'discussion'}) {
7511: my ($target,$parser);
7512: if (ref($args->{'discussion'})) {
7513: ($target,$parser) =($args->{'discussion'}{'target'},
7514: $args->{'discussion'}{'parser'});
7515: }
7516: $result .= &Apache::lonxml::xmlend($target,$parser);
7517: }
7518: if ($args->{'frameset'}) {
7519: $result .= '</frameset>';
7520: } else {
7521: $result .= &endbodytag($args);
7522: }
7523: unless ($args->{'notbody'}) {
7524: $result .= "\n</html>";
7525: }
7526:
7527: if ($args->{'js_ready'}) {
7528: $result = &js_ready($result);
7529: }
7530:
7531: if ($args->{'html_encode'}) {
7532: $result = &html_encode($result);
7533: }
7534:
7535: return $result;
7536: }
7537:
7538: sub wishlist_window {
7539: return(<<'ENDWISHLIST');
7540: <script type="text/javascript">
7541: // <![CDATA[
7542: // <!-- BEGIN LON-CAPA Internal
7543: function set_wishlistlink(title, path) {
7544: if (!title) {
7545: title = document.title;
7546: title = title.replace(/^LON-CAPA /,'');
7547: }
7548: if (!path) {
7549: path = location.pathname;
7550: }
7551: Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path,
7552: 'wishlistNewLink','width=560,height=350,scrollbars=0');
7553: }
7554: // END LON-CAPA Internal -->
7555: // ]]>
7556: </script>
7557: ENDWISHLIST
7558: }
7559:
7560: sub modal_window {
7561: return(<<'ENDMODAL');
7562: <script type="text/javascript">
7563: // <![CDATA[
7564: // <!-- BEGIN LON-CAPA Internal
7565: var modalWindow = {
7566: parent:"body",
7567: windowId:null,
7568: content:null,
7569: width:null,
7570: height:null,
7571: close:function()
7572: {
7573: $(".LCmodal-window").remove();
7574: $(".LCmodal-overlay").remove();
7575: },
7576: open:function()
7577: {
7578: var modal = "";
7579: modal += "<div class=\"LCmodal-overlay\"></div>";
7580: modal += "<div id=\"" + this.windowId + "\" class=\"LCmodal-window\" style=\"width:" + this.width + "px; height:" + this.height + "px; margin-top:-" + (this.height / 2) + "px; margin-left:-" + (this.width / 2) + "px;\">";
7581: modal += this.content;
7582: modal += "</div>";
7583:
7584: $(this.parent).append(modal);
7585:
7586: $(".LCmodal-window").append("<a class=\"LCclose-window\"></a>");
7587: $(".LCclose-window").click(function(){modalWindow.close();});
7588: $(".LCmodal-overlay").click(function(){modalWindow.close();});
7589: }
7590: };
7591: var openMyModal = function(source,width,height,scrolling)
7592: {
7593: modalWindow.windowId = "myModal";
7594: modalWindow.width = width;
7595: modalWindow.height = height;
7596: modalWindow.content = "<iframe width='"+width+"' height='"+height+"' frameborder='0' scrolling='"+scrolling+"' allowtransparency='true' src='" + source + "'></iframe>";
7597: modalWindow.open();
7598: };
7599: // END LON-CAPA Internal -->
7600: // ]]>
7601: </script>
7602: ENDMODAL
7603: }
7604:
7605: sub modal_link {
7606: my ($link,$linktext,$width,$height,$target,$scrolling,$title)=@_;
7607: unless ($width) { $width=480; }
7608: unless ($height) { $height=400; }
7609: unless ($scrolling) { $scrolling='yes'; }
7610: my $target_attr;
7611: if (defined($target)) {
7612: $target_attr = 'target="'.$target.'"';
7613: }
7614: return <<"ENDLINK";
7615: <a href="$link" $target_attr title="$title" onclick="javascript:openMyModal('$link',$width,$height,'$scrolling'); return false;">
7616: $linktext</a>
7617: ENDLINK
7618: }
7619:
7620: sub modal_adhoc_script {
7621: my ($funcname,$width,$height,$content)=@_;
7622: return (<<ENDADHOC);
7623: <script type="text/javascript">
7624: // <![CDATA[
7625: var $funcname = function()
7626: {
7627: modalWindow.windowId = "myModal";
7628: modalWindow.width = $width;
7629: modalWindow.height = $height;
7630: modalWindow.content = '$content';
7631: modalWindow.open();
7632: };
7633: // ]]>
7634: </script>
7635: ENDADHOC
7636: }
7637:
7638: sub modal_adhoc_inner {
7639: my ($funcname,$width,$height,$content)=@_;
7640: my $innerwidth=$width-20;
7641: $content=&js_ready(
7642: &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}).
7643: &start_scrollbox($width.'px',$innerwidth.'px',$height.'px').
7644: $content.
7645: &end_scrollbox().
7646: &end_page()
7647: );
7648: return &modal_adhoc_script($funcname,$width,$height,$content);
7649: }
7650:
7651: sub modal_adhoc_window {
7652: my ($funcname,$width,$height,$content,$linktext)=@_;
7653: return &modal_adhoc_inner($funcname,$width,$height,$content).
7654: "<a href=\"javascript:$funcname();void(0);\">".$linktext."</a>";
7655: }
7656:
7657: sub modal_adhoc_launch {
7658: my ($funcname,$width,$height,$content)=@_;
7659: return &modal_adhoc_inner($funcname,$width,$height,$content).(<<ENDLAUNCH);
7660: <script type="text/javascript">
7661: // <![CDATA[
7662: $funcname();
7663: // ]]>
7664: </script>
7665: ENDLAUNCH
7666: }
7667:
7668: sub modal_adhoc_close {
7669: return (<<ENDCLOSE);
7670: <script type="text/javascript">
7671: // <![CDATA[
7672: modalWindow.close();
7673: // ]]>
7674: </script>
7675: ENDCLOSE
7676: }
7677:
7678: sub togglebox_script {
7679: return(<<ENDTOGGLE);
7680: <script type="text/javascript">
7681: // <![CDATA[
7682: function LCtoggleDisplay(id,hidetext,showtext) {
7683: link = document.getElementById(id + "link").childNodes[0];
7684: with (document.getElementById(id).style) {
7685: if (display == "none" ) {
7686: display = "inline";
7687: link.nodeValue = hidetext;
7688: } else {
7689: display = "none";
7690: link.nodeValue = showtext;
7691: }
7692: }
7693: }
7694: // ]]>
7695: </script>
7696: ENDTOGGLE
7697: }
7698:
7699: sub start_togglebox {
7700: my ($id,$heading,$headerbg,$hidetext,$showtext)=@_;
7701: unless ($heading) { $heading=''; } else { $heading.=' '; }
7702: unless ($showtext) { $showtext=&mt('show'); }
7703: unless ($hidetext) { $hidetext=&mt('hide'); }
7704: unless ($headerbg) { $headerbg='#FFFFFF'; }
7705: return &start_data_table().
7706: &start_data_table_header_row().
7707: '<td bgcolor="'.$headerbg.'">'.$heading.
7708: '[<a id="'.$id.'link" href="javascript:LCtoggleDisplay(\''.$id.'\',\''.$hidetext.'\',\''.
7709: $showtext.'\')">'.$showtext.'</a>]</td>'.
7710: &end_data_table_header_row().
7711: '<tr id="'.$id.'" style="display:none""><td>';
7712: }
7713:
7714: sub end_togglebox {
7715: return '</td></tr>'.&end_data_table();
7716: }
7717:
7718: sub LCprogressbar_script {
7719: my ($id)=@_;
7720: return(<<ENDPROGRESS);
7721: <script type="text/javascript">
7722: // <![CDATA[
7723: \$('#progressbar$id').progressbar({
7724: value: 0,
7725: change: function(event, ui) {
7726: var newVal = \$(this).progressbar('option', 'value');
7727: \$('.pblabel', this).text(LCprogressTxt);
7728: }
7729: });
7730: // ]]>
7731: </script>
7732: ENDPROGRESS
7733: }
7734:
7735: sub LCprogressbarUpdate_script {
7736: return(<<ENDPROGRESSUPDATE);
7737: <style type="text/css">
7738: .ui-progressbar { position:relative; }
7739: .pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; }
7740: </style>
7741: <script type="text/javascript">
7742: // <![CDATA[
7743: var LCprogressTxt='---';
7744:
7745: function LCupdateProgress(percent,progresstext,id) {
7746: LCprogressTxt=progresstext;
7747: \$('#progressbar'+id).progressbar('value',percent);
7748: }
7749: // ]]>
7750: </script>
7751: ENDPROGRESSUPDATE
7752: }
7753:
7754: my $LClastpercent;
7755: my $LCidcnt;
7756: my $LCcurrentid;
7757:
7758: sub LCprogressbar {
7759: my ($r)=(@_);
7760: $LClastpercent=0;
7761: $LCidcnt++;
7762: $LCcurrentid=$$.'_'.$LCidcnt;
7763: my $starting=&mt('Starting');
7764: my $content=(<<ENDPROGBAR);
7765: <p>
7766: <div id="progressbar$LCcurrentid">
7767: <span class="pblabel">$starting</span>
7768: </div>
7769: </p>
7770: ENDPROGBAR
7771: &r_print($r,$content.&LCprogressbar_script($LCcurrentid));
7772: }
7773:
7774: sub LCprogressbarUpdate {
7775: my ($r,$val,$text)=@_;
7776: unless ($val) {
7777: if ($LClastpercent) {
7778: $val=$LClastpercent;
7779: } else {
7780: $val=0;
7781: }
7782: }
7783: if ($val<0) { $val=0; }
7784: if ($val>100) { $val=0; }
7785: $LClastpercent=$val;
7786: unless ($text) { $text=$val.'%'; }
7787: $text=&js_ready($text);
7788: &r_print($r,<<ENDUPDATE);
7789: <script type="text/javascript">
7790: // <![CDATA[
7791: LCupdateProgress($val,'$text','$LCcurrentid');
7792: // ]]>
7793: </script>
7794: ENDUPDATE
7795: }
7796:
7797: sub LCprogressbarClose {
7798: my ($r)=@_;
7799: $LClastpercent=0;
7800: &r_print($r,<<ENDCLOSE);
7801: <script type="text/javascript">
7802: // <![CDATA[
7803: \$("#progressbar$LCcurrentid").hide('slow');
7804: // ]]>
7805: </script>
7806: ENDCLOSE
7807: }
7808:
7809: sub r_print {
7810: my ($r,$to_print)=@_;
7811: if ($r) {
7812: $r->print($to_print);
7813: $r->rflush();
7814: } else {
7815: print($to_print);
7816: }
7817: }
7818:
7819: sub html_encode {
7820: my ($result) = @_;
7821:
7822: $result = &HTML::Entities::encode($result,'<>&"');
7823:
7824: return $result;
7825: }
7826:
7827: sub js_ready {
7828: my ($result) = @_;
7829:
7830: $result =~ s/[\n\r]/ /xmsg;
7831: $result =~ s/\\/\\\\/xmsg;
7832: $result =~ s/'/\\'/xmsg;
7833: $result =~ s{</}{<\\/}xmsg;
7834:
7835: return $result;
7836: }
7837:
7838: sub validate_page {
7839: if ( exists($env{'internal.start_page'})
7840: && $env{'internal.start_page'} > 1) {
7841: &Apache::lonnet::logthis('start_page called multiple times '.
7842: $env{'internal.start_page'}.' '.
7843: $ENV{'request.filename'});
7844: }
7845: if ( exists($env{'internal.end_page'})
7846: && $env{'internal.end_page'} > 1) {
7847: &Apache::lonnet::logthis('end_page called multiple times '.
7848: $env{'internal.end_page'}.' '.
7849: $env{'request.filename'});
7850: }
7851: if ( exists($env{'internal.start_page'})
7852: && ! exists($env{'internal.end_page'})) {
7853: &Apache::lonnet::logthis('start_page called without end_page '.
7854: $env{'request.filename'});
7855: }
7856: if ( ! exists($env{'internal.start_page'})
7857: && exists($env{'internal.end_page'})) {
7858: &Apache::lonnet::logthis('end_page called without start_page'.
7859: $env{'request.filename'});
7860: }
7861: }
7862:
7863:
7864: sub start_scrollbox {
7865: my ($outerwidth,$width,$height,$id,$bgcolor)=@_;
7866: unless ($outerwidth) { $outerwidth='520px'; }
7867: unless ($width) { $width='500px'; }
7868: unless ($height) { $height='200px'; }
7869: my ($table_id,$div_id,$tdcol);
7870: if ($id ne '') {
7871: $table_id = " id='table_$id'";
7872: $div_id = " id='div_$id'";
7873: }
7874: if ($bgcolor ne '') {
7875: $tdcol = "background-color: $bgcolor;";
7876: }
7877: return <<"END";
7878: <table style="width: $outerwidth; border: 1px solid none;"$table_id><tr><td style="width: $width;$tdcol"><div style="overflow:auto; width:$width; height: $height;"$div_id>
7879: END
7880: }
7881:
7882: sub end_scrollbox {
7883: return '</div></td></tr></table>';
7884: }
7885:
7886: sub simple_error_page {
7887: my ($r,$title,$msg) = @_;
7888: my $page =
7889: &Apache::loncommon::start_page($title).
7890: '<p class="LC_error">'.&mt($msg).'</p>'.
7891: &Apache::loncommon::end_page();
7892: if (ref($r)) {
7893: $r->print($page);
7894: return;
7895: }
7896: return $page;
7897: }
7898:
7899: {
7900: my @row_count;
7901:
7902: sub start_data_table_count {
7903: unshift(@row_count, 0);
7904: return;
7905: }
7906:
7907: sub end_data_table_count {
7908: shift(@row_count);
7909: return;
7910: }
7911:
7912: sub start_data_table {
7913: my ($add_class,$id) = @_;
7914: my $css_class = (join(' ','LC_data_table',$add_class));
7915: my $table_id;
7916: if (defined($id)) {
7917: $table_id = ' id="'.$id.'"';
7918: }
7919: &start_data_table_count();
7920: return '<table class="'.$css_class.'"'.$table_id.'>'."\n";
7921: }
7922:
7923: sub end_data_table {
7924: &end_data_table_count();
7925: return '</table>'."\n";;
7926: }
7927:
7928: sub start_data_table_row {
7929: my ($add_class, $id) = @_;
7930: $row_count[0]++;
7931: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
7932: $css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
7933: $id = (' id="'.$id.'"') unless ($id eq '');
7934: return '<tr class="'.$css_class.'"'.$id.'>'."\n";
7935: }
7936:
7937: sub continue_data_table_row {
7938: my ($add_class, $id) = @_;
7939: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
7940: $css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
7941: $id = (' id="'.$id.'"') unless ($id eq '');
7942: return '<tr class="'.$css_class.'"'.$id.'>'."\n";
7943: }
7944:
7945: sub end_data_table_row {
7946: return '</tr>'."\n";;
7947: }
7948:
7949: sub start_data_table_empty_row {
7950: # $row_count[0]++;
7951: return '<tr class="LC_empty_row" >'."\n";;
7952: }
7953:
7954: sub end_data_table_empty_row {
7955: return '</tr>'."\n";;
7956: }
7957:
7958: sub start_data_table_header_row {
7959: return '<tr class="LC_header_row">'."\n";;
7960: }
7961:
7962: sub end_data_table_header_row {
7963: return '</tr>'."\n";;
7964: }
7965:
7966: sub data_table_caption {
7967: my $caption = shift;
7968: return "<caption class=\"LC_caption\">$caption</caption>";
7969: }
7970: }
7971:
7972: =pod
7973:
7974: =item * &inhibit_menu_check($arg)
7975:
7976: Checks for a inhibitmenu state and generates output to preserve it
7977:
7978: Inputs: $arg - can be any of
7979: - undef - in which case the return value is a string
7980: to add into arguments list of a uri
7981: - 'input' - in which case the return value is a HTML
7982: <form> <input> field of type hidden to
7983: preserve the value
7984: - a url - in which case the return value is the url with
7985: the neccesary cgi args added to preserve the
7986: inhibitmenu state
7987: - a ref to a url - no return value, but the string is
7988: updated to include the neccessary cgi
7989: args to preserve the inhibitmenu state
7990:
7991: =cut
7992:
7993: sub inhibit_menu_check {
7994: my ($arg) = @_;
7995: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
7996: if ($arg eq 'input') {
7997: if ($env{'form.inhibitmenu'}) {
7998: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
7999: } else {
8000: return
8001: }
8002: }
8003: if ($env{'form.inhibitmenu'}) {
8004: if (ref($arg)) {
8005: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
8006: } elsif ($arg eq '') {
8007: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
8008: } else {
8009: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
8010: }
8011: }
8012: if (!ref($arg)) {
8013: return $arg;
8014: }
8015: }
8016:
8017: ###############################################
8018:
8019: =pod
8020:
8021: =back
8022:
8023: =head1 User Information Routines
8024:
8025: =over 4
8026:
8027: =item * &get_users_function()
8028:
8029: Used by &bodytag to determine the current users primary role.
8030: Returns either 'student','coordinator','admin', or 'author'.
8031:
8032: =cut
8033:
8034: ###############################################
8035: sub get_users_function {
8036: my $function = 'norole';
8037: if ($env{'request.role'}=~/^(st)/) {
8038: $function='student';
8039: }
8040: if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/) {
8041: $function='coordinator';
8042: }
8043: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
8044: $function='admin';
8045: }
8046: if (($env{'request.role'}=~/^(au|ca|aa)/) ||
8047: ($ENV{'REQUEST_URI'}=~ m{/^(/priv)})) {
8048: $function='author';
8049: }
8050: return $function;
8051: }
8052:
8053: ###############################################
8054:
8055: =pod
8056:
8057: =item * &show_course()
8058:
8059: Used by lonmenu.pm and lonroles.pm to determine whether to use the word
8060: 'Courses' or 'Roles' in inline navigation and on screen displaying user's roles.
8061:
8062: Inputs:
8063: None
8064:
8065: Outputs:
8066: Scalar: 1 if 'Course' to be used, 0 otherwise.
8067:
8068: =cut
8069:
8070: ###############################################
8071: sub show_course {
8072: my $course = !$env{'user.adv'};
8073: if (!$env{'user.adv'}) {
8074: foreach my $env (keys(%env)) {
8075: next if ($env !~ m/^user\.priv\./);
8076: if ($env !~ m/^user\.priv\.(?:st|cm)/) {
8077: $course = 0;
8078: last;
8079: }
8080: }
8081: }
8082: return $course;
8083: }
8084:
8085: ###############################################
8086:
8087: =pod
8088:
8089: =item * &check_user_status()
8090:
8091: Determines current status of supplied role for a
8092: specific user. Roles can be active, previous or future.
8093:
8094: Inputs:
8095: user's domain, user's username, course's domain,
8096: course's number, optional section ID.
8097:
8098: Outputs:
8099: role status: active, previous or future.
8100:
8101: =cut
8102:
8103: sub check_user_status {
8104: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
8105: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
8106: my @uroles = keys %userinfo;
8107: my $srchstr;
8108: my $active_chk = 'none';
8109: my $now = time;
8110: if (@uroles > 0) {
8111: if (($role eq 'cc') || ($role eq 'co') || ($sec eq '') || (!defined($sec))) {
8112: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
8113: } else {
8114: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
8115: }
8116: if (grep/^\Q$srchstr\E$/,@uroles) {
8117: my $role_end = 0;
8118: my $role_start = 0;
8119: $active_chk = 'active';
8120: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
8121: $role_end = $1;
8122: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
8123: $role_start = $1;
8124: }
8125: }
8126: if ($role_start > 0) {
8127: if ($now < $role_start) {
8128: $active_chk = 'future';
8129: }
8130: }
8131: if ($role_end > 0) {
8132: if ($now > $role_end) {
8133: $active_chk = 'previous';
8134: }
8135: }
8136: }
8137: }
8138: return $active_chk;
8139: }
8140:
8141: ###############################################
8142:
8143: =pod
8144:
8145: =item * &get_sections()
8146:
8147: Determines all the sections for a course including
8148: sections with students and sections containing other roles.
8149: Incoming parameters:
8150:
8151: 1. domain
8152: 2. course number
8153: 3. reference to array containing roles for which sections should
8154: be gathered (optional).
8155: 4. reference to array containing status types for which sections
8156: should be gathered (optional).
8157:
8158: If the third argument is undefined, sections are gathered for any role.
8159: If the fourth argument is undefined, sections are gathered for any status.
8160: Permissible values are 'active' or 'future' or 'previous'.
8161:
8162: Returns section hash (keys are section IDs, values are
8163: number of users in each section), subject to the
8164: optional roles filter, optional status filter
8165:
8166: =cut
8167:
8168: ###############################################
8169: sub get_sections {
8170: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
8171: if (!defined($cdom) || !defined($cnum)) {
8172: my $cid = $env{'request.course.id'};
8173:
8174: return if (!defined($cid));
8175:
8176: $cdom = $env{'course.'.$cid.'.domain'};
8177: $cnum = $env{'course.'.$cid.'.num'};
8178: }
8179:
8180: my %sectioncount;
8181: my $now = time;
8182:
8183: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
8184: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
8185: my $sec_index = &Apache::loncoursedata::CL_SECTION();
8186: my $status_index = &Apache::loncoursedata::CL_STATUS();
8187: my $start_index = &Apache::loncoursedata::CL_START();
8188: my $end_index = &Apache::loncoursedata::CL_END();
8189: my $status;
8190: while (my ($student,$data) = each(%$classlist)) {
8191: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
8192: $data->[$status_index],
8193: $data->[$start_index],
8194: $data->[$end_index]);
8195: if ($stu_status eq 'Active') {
8196: $status = 'active';
8197: } elsif ($end < $now) {
8198: $status = 'previous';
8199: } elsif ($start > $now) {
8200: $status = 'future';
8201: }
8202: if ($section ne '-1' && $section !~ /^\s*$/) {
8203: if ((!defined($possible_status)) || (($status ne '') &&
8204: (grep/^\Q$status\E$/,@{$possible_status}))) {
8205: $sectioncount{$section}++;
8206: }
8207: }
8208: }
8209: }
8210: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
8211: foreach my $user (sort(keys(%courseroles))) {
8212: if ($user !~ /^(\w{2})/) { next; }
8213: my ($role) = ($user =~ /^(\w{2})/);
8214: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
8215: my ($section,$status);
8216: if ($role eq 'cr' &&
8217: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
8218: $section=$1;
8219: }
8220: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
8221: if (!defined($section) || $section eq '-1') { next; }
8222: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
8223: if ($end == -1 && $start == -1) {
8224: next; #deleted role
8225: }
8226: if (!defined($possible_status)) {
8227: $sectioncount{$section}++;
8228: } else {
8229: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
8230: $status = 'active';
8231: } elsif ($end < $now) {
8232: $status = 'future';
8233: } elsif ($start > $now) {
8234: $status = 'previous';
8235: }
8236: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
8237: $sectioncount{$section}++;
8238: }
8239: }
8240: }
8241: return %sectioncount;
8242: }
8243:
8244: ###############################################
8245:
8246: =pod
8247:
8248: =item * &get_course_users()
8249:
8250: Retrieves usernames:domains for users in the specified course
8251: with specific role(s), and access status.
8252:
8253: Incoming parameters:
8254: 1. course domain
8255: 2. course number
8256: 3. access status: users must have - either active,
8257: previous, future, or all.
8258: 4. reference to array of permissible roles
8259: 5. reference to array of section restrictions (optional)
8260: 6. reference to results object (hash of hashes).
8261: 7. reference to optional userdata hash
8262: 8. reference to optional statushash
8263: 9. flag if privileged users (except those set to unhide in
8264: course settings) should be excluded
8265: Keys of top level results hash are roles.
8266: Keys of inner hashes are username:domain, with
8267: values set to access type.
8268: Optional userdata hash returns an array with arguments in the
8269: same order as loncoursedata::get_classlist() for student data.
8270:
8271: Optional statushash returns
8272:
8273: Entries for end, start, section and status are blank because
8274: of the possibility of multiple values for non-student roles.
8275:
8276: =cut
8277:
8278: ###############################################
8279:
8280: sub get_course_users {
8281: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
8282: my %idx = ();
8283: my %seclists;
8284:
8285: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
8286: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
8287: $idx{end} = &Apache::loncoursedata::CL_END();
8288: $idx{start} = &Apache::loncoursedata::CL_START();
8289: $idx{id} = &Apache::loncoursedata::CL_ID();
8290: $idx{section} = &Apache::loncoursedata::CL_SECTION();
8291: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
8292: $idx{status} = &Apache::loncoursedata::CL_STATUS();
8293:
8294: if (grep(/^st$/,@{$roles})) {
8295: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
8296: my $now = time;
8297: foreach my $student (keys(%{$classlist})) {
8298: my $match = 0;
8299: my $secmatch = 0;
8300: my $section = $$classlist{$student}[$idx{section}];
8301: my $status = $$classlist{$student}[$idx{status}];
8302: if ($section eq '') {
8303: $section = 'none';
8304: }
8305: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
8306: if (grep(/^all$/,@{$sections})) {
8307: $secmatch = 1;
8308: } elsif ($$classlist{$student}[$idx{section}] eq '') {
8309: if (grep(/^none$/,@{$sections})) {
8310: $secmatch = 1;
8311: }
8312: } else {
8313: if (grep(/^\Q$section\E$/,@{$sections})) {
8314: $secmatch = 1;
8315: }
8316: }
8317: if (!$secmatch) {
8318: next;
8319: }
8320: }
8321: if (defined($$types{'active'})) {
8322: if ($$classlist{$student}[$idx{status}] eq 'Active') {
8323: push(@{$$users{st}{$student}},'active');
8324: $match = 1;
8325: }
8326: }
8327: if (defined($$types{'previous'})) {
8328: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
8329: push(@{$$users{st}{$student}},'previous');
8330: $match = 1;
8331: }
8332: }
8333: if (defined($$types{'future'})) {
8334: if ($$classlist{$student}[$idx{status}] eq 'Future') {
8335: push(@{$$users{st}{$student}},'future');
8336: $match = 1;
8337: }
8338: }
8339: if ($match) {
8340: push(@{$seclists{$student}},$section);
8341: if (ref($userdata) eq 'HASH') {
8342: $$userdata{$student} = $$classlist{$student};
8343: }
8344: if (ref($statushash) eq 'HASH') {
8345: $statushash->{$student}{'st'}{$section} = $status;
8346: }
8347: }
8348: }
8349: }
8350: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
8351: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
8352: my $now = time;
8353: my %displaystatus = ( previous => 'Expired',
8354: active => 'Active',
8355: future => 'Future',
8356: );
8357: my %nothide;
8358: if ($hidepriv) {
8359: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
8360: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
8361: if ($user !~ /:/) {
8362: $nothide{join(':',split(/[\@]/,$user))}=1;
8363: } else {
8364: $nothide{$user} = 1;
8365: }
8366: }
8367: }
8368: foreach my $person (sort(keys(%coursepersonnel))) {
8369: my $match = 0;
8370: my $secmatch = 0;
8371: my $status;
8372: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
8373: $user =~ s/:$//;
8374: my ($end,$start) = split(/:/,$coursepersonnel{$person});
8375: if ($end == -1 || $start == -1) {
8376: next;
8377: }
8378: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
8379: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
8380: my ($uname,$udom) = split(/:/,$user);
8381: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
8382: if (grep(/^all$/,@{$sections})) {
8383: $secmatch = 1;
8384: } elsif ($usec eq '') {
8385: if (grep(/^none$/,@{$sections})) {
8386: $secmatch = 1;
8387: }
8388: } else {
8389: if (grep(/^\Q$usec\E$/,@{$sections})) {
8390: $secmatch = 1;
8391: }
8392: }
8393: if (!$secmatch) {
8394: next;
8395: }
8396: }
8397: if ($usec eq '') {
8398: $usec = 'none';
8399: }
8400: if ($uname ne '' && $udom ne '') {
8401: if ($hidepriv) {
8402: if ((&Apache::lonnet::privileged($uname,$udom)) &&
8403: (!$nothide{$uname.':'.$udom})) {
8404: next;
8405: }
8406: }
8407: if ($end > 0 && $end < $now) {
8408: $status = 'previous';
8409: } elsif ($start > $now) {
8410: $status = 'future';
8411: } else {
8412: $status = 'active';
8413: }
8414: foreach my $type (keys(%{$types})) {
8415: if ($status eq $type) {
8416: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
8417: push(@{$$users{$role}{$user}},$type);
8418: }
8419: $match = 1;
8420: }
8421: }
8422: if (($match) && (ref($userdata) eq 'HASH')) {
8423: if (!exists($$userdata{$uname.':'.$udom})) {
8424: &get_user_info($udom,$uname,\%idx,$userdata);
8425: }
8426: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
8427: push(@{$seclists{$uname.':'.$udom}},$usec);
8428: }
8429: if (ref($statushash) eq 'HASH') {
8430: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
8431: }
8432: }
8433: }
8434: }
8435: }
8436: if (grep(/^ow$/,@{$roles})) {
8437: if ((defined($cdom)) && (defined($cnum))) {
8438: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
8439: if ( defined($csettings{'internal.courseowner'}) ) {
8440: my $owner = $csettings{'internal.courseowner'};
8441: next if ($owner eq '');
8442: my ($ownername,$ownerdom);
8443: if ($owner =~ /^([^:]+):([^:]+)$/) {
8444: $ownername = $1;
8445: $ownerdom = $2;
8446: } else {
8447: $ownername = $owner;
8448: $ownerdom = $cdom;
8449: $owner = $ownername.':'.$ownerdom;
8450: }
8451: @{$$users{'ow'}{$owner}} = 'any';
8452: if (defined($userdata) &&
8453: !exists($$userdata{$owner})) {
8454: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
8455: if (!grep(/^none$/,@{$seclists{$owner}})) {
8456: push(@{$seclists{$owner}},'none');
8457: }
8458: if (ref($statushash) eq 'HASH') {
8459: $statushash->{$owner}{'ow'}{'none'} = 'Any';
8460: }
8461: }
8462: }
8463: }
8464: }
8465: foreach my $user (keys(%seclists)) {
8466: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
8467: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
8468: }
8469: }
8470: return;
8471: }
8472:
8473: sub get_user_info {
8474: my ($udom,$uname,$idx,$userdata) = @_;
8475: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
8476: &plainname($uname,$udom,'lastname');
8477: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
8478: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
8479: my %idhash = &Apache::lonnet::idrget($udom,($uname));
8480: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
8481: return;
8482: }
8483:
8484: ###############################################
8485:
8486: =pod
8487:
8488: =item * &get_user_quota()
8489:
8490: Retrieves quota assigned for storage of portfolio files for a user
8491:
8492: Incoming parameters:
8493: 1. user's username
8494: 2. user's domain
8495:
8496: Returns:
8497: 1. Disk quota (in Mb) assigned to student.
8498: 2. (Optional) Type of setting: custom or default
8499: (individually assigned or default for user's
8500: institutional status).
8501: 3. (Optional) - User's institutional status (e.g., faculty, staff
8502: or student - types as defined in localenroll::inst_usertypes
8503: for user's domain, which determines default quota for user.
8504: 4. (Optional) - Default quota which would apply to the user.
8505:
8506: If a value has been stored in the user's environment,
8507: it will return that, otherwise it returns the maximal default
8508: defined for the user's instituional status(es) in the domain.
8509:
8510: =cut
8511:
8512: ###############################################
8513:
8514:
8515: sub get_user_quota {
8516: my ($uname,$udom) = @_;
8517: my ($quota,$quotatype,$settingstatus,$defquota);
8518: if (!defined($udom)) {
8519: $udom = $env{'user.domain'};
8520: }
8521: if (!defined($uname)) {
8522: $uname = $env{'user.name'};
8523: }
8524: if (($udom eq '' || $uname eq '') ||
8525: ($udom eq 'public') && ($uname eq 'public')) {
8526: $quota = 0;
8527: $quotatype = 'default';
8528: $defquota = 0;
8529: } else {
8530: my $inststatus;
8531: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
8532: $quota = $env{'environment.portfolioquota'};
8533: $inststatus = $env{'environment.inststatus'};
8534: } else {
8535: my %userenv =
8536: &Apache::lonnet::get('environment',['portfolioquota',
8537: 'inststatus'],$udom,$uname);
8538: my ($tmp) = keys(%userenv);
8539: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
8540: $quota = $userenv{'portfolioquota'};
8541: $inststatus = $userenv{'inststatus'};
8542: } else {
8543: undef(%userenv);
8544: }
8545: }
8546: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
8547: if ($quota eq '') {
8548: $quota = $defquota;
8549: $quotatype = 'default';
8550: } else {
8551: $quotatype = 'custom';
8552: }
8553: }
8554: if (wantarray) {
8555: return ($quota,$quotatype,$settingstatus,$defquota);
8556: } else {
8557: return $quota;
8558: }
8559: }
8560:
8561: ###############################################
8562:
8563: =pod
8564:
8565: =item * &default_quota()
8566:
8567: Retrieves default quota assigned for storage of user portfolio files,
8568: given an (optional) user's institutional status.
8569:
8570: Incoming parameters:
8571: 1. domain
8572: 2. (Optional) institutional status(es). This is a : separated list of
8573: status types (e.g., faculty, staff, student etc.)
8574: which apply to the user for whom the default is being retrieved.
8575: If the institutional status string in undefined, the domain
8576: default quota will be returned.
8577:
8578: Returns:
8579: 1. Default disk quota (in Mb) for user portfolios in the domain.
8580: 2. (Optional) institutional type which determined the value of the
8581: default quota.
8582:
8583: If a value has been stored in the domain's configuration db,
8584: it will return that, otherwise it returns 20 (for backwards
8585: compatibility with domains which have not set up a configuration
8586: db file; the original statically defined portfolio quota was 20 Mb).
8587:
8588: If the user's status includes multiple types (e.g., staff and student),
8589: the largest default quota which applies to the user determines the
8590: default quota returned.
8591:
8592: =back
8593:
8594: =cut
8595:
8596: ###############################################
8597:
8598:
8599: sub default_quota {
8600: my ($udom,$inststatus) = @_;
8601: my ($defquota,$settingstatus);
8602: my %quotahash = &Apache::lonnet::get_dom('configuration',
8603: ['quotas'],$udom);
8604: if (ref($quotahash{'quotas'}) eq 'HASH') {
8605: if ($inststatus ne '') {
8606: my @statuses = map { &unescape($_); } split(/:/,$inststatus);
8607: foreach my $item (@statuses) {
8608: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
8609: if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
8610: if ($defquota eq '') {
8611: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
8612: $settingstatus = $item;
8613: } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
8614: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
8615: $settingstatus = $item;
8616: }
8617: }
8618: } else {
8619: if ($quotahash{'quotas'}{$item} ne '') {
8620: if ($defquota eq '') {
8621: $defquota = $quotahash{'quotas'}{$item};
8622: $settingstatus = $item;
8623: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
8624: $defquota = $quotahash{'quotas'}{$item};
8625: $settingstatus = $item;
8626: }
8627: }
8628: }
8629: }
8630: }
8631: if ($defquota eq '') {
8632: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
8633: $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
8634: } else {
8635: $defquota = $quotahash{'quotas'}{'default'};
8636: }
8637: $settingstatus = 'default';
8638: }
8639: } else {
8640: $settingstatus = 'default';
8641: $defquota = 20;
8642: }
8643: if (wantarray) {
8644: return ($defquota,$settingstatus);
8645: } else {
8646: return $defquota;
8647: }
8648: }
8649:
8650: sub get_secgrprole_info {
8651: my ($cdom,$cnum,$needroles,$type) = @_;
8652: my %sections_count = &get_sections($cdom,$cnum);
8653: my @sections = (sort {$a <=> $b} keys(%sections_count));
8654: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
8655: my @groups = sort(keys(%curr_groups));
8656: my $allroles = [];
8657: my $rolehash;
8658: my $accesshash = {
8659: active => 'Currently has access',
8660: future => 'Will have future access',
8661: previous => 'Previously had access',
8662: };
8663: if ($needroles) {
8664: $rolehash = {'all' => 'all'};
8665: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
8666: if (&Apache::lonnet::error(%user_roles)) {
8667: undef(%user_roles);
8668: }
8669: foreach my $item (keys(%user_roles)) {
8670: my ($role)=split(/\:/,$item,2);
8671: if ($role eq 'cr') { next; }
8672: if ($role =~ /^cr/) {
8673: $$rolehash{$role} = (split('/',$role))[3];
8674: } else {
8675: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
8676: }
8677: }
8678: foreach my $key (sort(keys(%{$rolehash}))) {
8679: push(@{$allroles},$key);
8680: }
8681: push (@{$allroles},'st');
8682: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
8683: }
8684: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
8685: }
8686:
8687: sub user_picker {
8688: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
8689: my $currdom = $dom;
8690: my %curr_selected = (
8691: srchin => 'dom',
8692: srchby => 'lastname',
8693: );
8694: my $srchterm;
8695: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
8696: if ($srch->{'srchby'} ne '') {
8697: $curr_selected{'srchby'} = $srch->{'srchby'};
8698: }
8699: if ($srch->{'srchin'} ne '') {
8700: $curr_selected{'srchin'} = $srch->{'srchin'};
8701: }
8702: if ($srch->{'srchtype'} ne '') {
8703: $curr_selected{'srchtype'} = $srch->{'srchtype'};
8704: }
8705: if ($srch->{'srchdomain'} ne '') {
8706: $currdom = $srch->{'srchdomain'};
8707: }
8708: $srchterm = $srch->{'srchterm'};
8709: }
8710: my %lt=&Apache::lonlocal::texthash(
8711: 'usr' => 'Search criteria',
8712: 'doma' => 'Domain/institution to search',
8713: 'uname' => 'username',
8714: 'lastname' => 'last name',
8715: 'lastfirst' => 'last name, first name',
8716: 'crs' => 'in this course',
8717: 'dom' => 'in selected LON-CAPA domain',
8718: 'alc' => 'all LON-CAPA',
8719: 'instd' => 'in institutional directory for selected domain',
8720: 'exact' => 'is',
8721: 'contains' => 'contains',
8722: 'begins' => 'begins with',
8723: 'youm' => "You must include some text to search for.",
8724: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
8725: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
8726: 'yomc' => "You must choose a domain when using an institutional directory search.",
8727: 'ymcd' => "You must choose a domain when using a domain search.",
8728: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
8729: 'whse' => "When searching by last,first you must include at least one character in the first name.",
8730: 'thfo' => "The following need to be corrected before the search can be run:",
8731: );
8732: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
8733: my $srchinsel = ' <select name="srchin">';
8734:
8735: my @srchins = ('crs','dom','alc','instd');
8736:
8737: foreach my $option (@srchins) {
8738: # FIXME 'alc' option unavailable until
8739: # loncreateuser::print_user_query_page()
8740: # has been completed.
8741: next if ($option eq 'alc');
8742: next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
8743: next if ($option eq 'crs' && !$env{'request.course.id'});
8744: if ($curr_selected{'srchin'} eq $option) {
8745: $srchinsel .= '
8746: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
8747: } else {
8748: $srchinsel .= '
8749: <option value="'.$option.'">'.$lt{$option}.'</option>';
8750: }
8751: }
8752: $srchinsel .= "\n </select>\n";
8753:
8754: my $srchbysel = ' <select name="srchby">';
8755: foreach my $option ('lastname','lastfirst','uname') {
8756: if ($curr_selected{'srchby'} eq $option) {
8757: $srchbysel .= '
8758: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
8759: } else {
8760: $srchbysel .= '
8761: <option value="'.$option.'">'.$lt{$option}.'</option>';
8762: }
8763: }
8764: $srchbysel .= "\n </select>\n";
8765:
8766: my $srchtypesel = ' <select name="srchtype">';
8767: foreach my $option ('begins','contains','exact') {
8768: if ($curr_selected{'srchtype'} eq $option) {
8769: $srchtypesel .= '
8770: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
8771: } else {
8772: $srchtypesel .= '
8773: <option value="'.$option.'">'.$lt{$option}.'</option>';
8774: }
8775: }
8776: $srchtypesel .= "\n </select>\n";
8777:
8778: my ($newuserscript,$new_user_create);
8779: my $context_dom = $env{'request.role.domain'};
8780: if ($context eq 'requestcrs') {
8781: if ($env{'form.coursedom'} ne '') {
8782: $context_dom = $env{'form.coursedom'};
8783: }
8784: }
8785: if ($forcenewuser) {
8786: if (ref($srch) eq 'HASH') {
8787: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $context_dom) {
8788: if ($cancreate) {
8789: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
8790: } else {
8791: my $helplink = 'javascript:helpMenu('."'display'".')';
8792: my %usertypetext = (
8793: official => 'institutional',
8794: unofficial => 'non-institutional',
8795: );
8796: $new_user_create = '<p class="LC_warning">'
8797: .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
8798: .' '
8799: .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
8800: ,'<a href="'.$helplink.'">','</a>')
8801: .'</p><br />';
8802: }
8803: }
8804: }
8805:
8806: $newuserscript = <<"ENDSCRIPT";
8807:
8808: function setSearch(createnew,callingForm) {
8809: if (createnew == 1) {
8810: for (var i=0; i<callingForm.srchby.length; i++) {
8811: if (callingForm.srchby.options[i].value == 'uname') {
8812: callingForm.srchby.selectedIndex = i;
8813: }
8814: }
8815: for (var i=0; i<callingForm.srchin.length; i++) {
8816: if ( callingForm.srchin.options[i].value == 'dom') {
8817: callingForm.srchin.selectedIndex = i;
8818: }
8819: }
8820: for (var i=0; i<callingForm.srchtype.length; i++) {
8821: if (callingForm.srchtype.options[i].value == 'exact') {
8822: callingForm.srchtype.selectedIndex = i;
8823: }
8824: }
8825: for (var i=0; i<callingForm.srchdomain.length; i++) {
8826: if (callingForm.srchdomain.options[i].value == '$context_dom') {
8827: callingForm.srchdomain.selectedIndex = i;
8828: }
8829: }
8830: }
8831: }
8832: ENDSCRIPT
8833:
8834: }
8835:
8836: my $output = <<"END_BLOCK";
8837: <script type="text/javascript">
8838: // <![CDATA[
8839: function validateEntry(callingForm) {
8840:
8841: var checkok = 1;
8842: var srchin;
8843: for (var i=0; i<callingForm.srchin.length; i++) {
8844: if ( callingForm.srchin[i].checked ) {
8845: srchin = callingForm.srchin[i].value;
8846: }
8847: }
8848:
8849: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
8850: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
8851: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
8852: var srchterm = callingForm.srchterm.value;
8853: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
8854: var msg = "";
8855:
8856: if (srchterm == "") {
8857: checkok = 0;
8858: msg += "$lt{'youm'}\\n";
8859: }
8860:
8861: if (srchtype== 'begins') {
8862: if (srchterm.length < 2) {
8863: checkok = 0;
8864: msg += "$lt{'thte'}\\n";
8865: }
8866: }
8867:
8868: if (srchtype== 'contains') {
8869: if (srchterm.length < 3) {
8870: checkok = 0;
8871: msg += "$lt{'thet'}\\n";
8872: }
8873: }
8874: if (srchin == 'instd') {
8875: if (srchdomain == '') {
8876: checkok = 0;
8877: msg += "$lt{'yomc'}\\n";
8878: }
8879: }
8880: if (srchin == 'dom') {
8881: if (srchdomain == '') {
8882: checkok = 0;
8883: msg += "$lt{'ymcd'}\\n";
8884: }
8885: }
8886: if (srchby == 'lastfirst') {
8887: if (srchterm.indexOf(",") == -1) {
8888: checkok = 0;
8889: msg += "$lt{'whus'}\\n";
8890: }
8891: if (srchterm.indexOf(",") == srchterm.length -1) {
8892: checkok = 0;
8893: msg += "$lt{'whse'}\\n";
8894: }
8895: }
8896: if (checkok == 0) {
8897: alert("$lt{'thfo'}\\n"+msg);
8898: return;
8899: }
8900: if (checkok == 1) {
8901: callingForm.submit();
8902: }
8903: }
8904:
8905: $newuserscript
8906:
8907: // ]]>
8908: </script>
8909:
8910: $new_user_create
8911:
8912: END_BLOCK
8913:
8914: $output .= &Apache::lonhtmlcommon::start_pick_box().
8915: &Apache::lonhtmlcommon::row_title($lt{'doma'}).
8916: $domform.
8917: &Apache::lonhtmlcommon::row_closure().
8918: &Apache::lonhtmlcommon::row_title($lt{'usr'}).
8919: $srchbysel.
8920: $srchtypesel.
8921: '<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.
8922: $srchinsel.
8923: &Apache::lonhtmlcommon::row_closure(1).
8924: &Apache::lonhtmlcommon::end_pick_box().
8925: '<br />';
8926: return $output;
8927: }
8928:
8929: sub user_rule_check {
8930: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
8931: my $response;
8932: if (ref($usershash) eq 'HASH') {
8933: foreach my $user (keys(%{$usershash})) {
8934: my ($uname,$udom) = split(/:/,$user);
8935: next if ($udom eq '' || $uname eq '');
8936: my ($id,$newuser);
8937: if (ref($usershash->{$user}) eq 'HASH') {
8938: $newuser = $usershash->{$user}->{'newuser'};
8939: $id = $usershash->{$user}->{'id'};
8940: }
8941: my $inst_response;
8942: if (ref($checks) eq 'HASH') {
8943: if (defined($checks->{'username'})) {
8944: ($inst_response,%{$inst_results->{$user}}) =
8945: &Apache::lonnet::get_instuser($udom,$uname);
8946: } elsif (defined($checks->{'id'})) {
8947: ($inst_response,%{$inst_results->{$user}}) =
8948: &Apache::lonnet::get_instuser($udom,undef,$id);
8949: }
8950: } else {
8951: ($inst_response,%{$inst_results->{$user}}) =
8952: &Apache::lonnet::get_instuser($udom,$uname);
8953: return;
8954: }
8955: if (!$got_rules->{$udom}) {
8956: my %domconfig = &Apache::lonnet::get_dom('configuration',
8957: ['usercreation'],$udom);
8958: if (ref($domconfig{'usercreation'}) eq 'HASH') {
8959: foreach my $item ('username','id') {
8960: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
8961: $$curr_rules{$udom}{$item} =
8962: $domconfig{'usercreation'}{$item.'_rule'};
8963: }
8964: }
8965: }
8966: $got_rules->{$udom} = 1;
8967: }
8968: foreach my $item (keys(%{$checks})) {
8969: if (ref($$curr_rules{$udom}) eq 'HASH') {
8970: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
8971: if (@{$$curr_rules{$udom}{$item}} > 0) {
8972: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
8973: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
8974: if ($rule_check{$rule}) {
8975: $$rulematch{$user}{$item} = $rule;
8976: if ($inst_response eq 'ok') {
8977: if (ref($inst_results) eq 'HASH') {
8978: if (ref($inst_results->{$user}) eq 'HASH') {
8979: if (keys(%{$inst_results->{$user}}) == 0) {
8980: $$alerts{$item}{$udom}{$uname} = 1;
8981: }
8982: }
8983: }
8984: }
8985: last;
8986: }
8987: }
8988: }
8989: }
8990: }
8991: }
8992: }
8993: }
8994: return;
8995: }
8996:
8997: sub user_rule_formats {
8998: my ($domain,$domdesc,$curr_rules,$check) = @_;
8999: my %text = (
9000: 'username' => 'Usernames',
9001: 'id' => 'IDs',
9002: );
9003: my $output;
9004: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
9005: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
9006: if (@{$ruleorder} > 0) {
9007: $output = '<br />'.
9008: &mt($text{$check}.' with the following format(s) may [_1]only[_2] be used for verified users at [_3]:',
9009: '<span class="LC_cusr_emph">','</span>',$domdesc).
9010: ' <ul>';
9011: foreach my $rule (@{$ruleorder}) {
9012: if (ref($curr_rules) eq 'ARRAY') {
9013: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
9014: if (ref($rules->{$rule}) eq 'HASH') {
9015: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
9016: $rules->{$rule}{'desc'}.'</li>';
9017: }
9018: }
9019: }
9020: }
9021: $output .= '</ul>';
9022: }
9023: }
9024: return $output;
9025: }
9026:
9027: sub instrule_disallow_msg {
9028: my ($checkitem,$domdesc,$count,$mode) = @_;
9029: my $response;
9030: my %text = (
9031: item => 'username',
9032: items => 'usernames',
9033: match => 'matches',
9034: do => 'does',
9035: action => 'a username',
9036: one => 'one',
9037: );
9038: if ($count > 1) {
9039: $text{'item'} = 'usernames';
9040: $text{'match'} ='match';
9041: $text{'do'} = 'do';
9042: $text{'action'} = 'usernames',
9043: $text{'one'} = 'ones';
9044: }
9045: if ($checkitem eq 'id') {
9046: $text{'items'} = 'IDs';
9047: $text{'item'} = 'ID';
9048: $text{'action'} = 'an ID';
9049: if ($count > 1) {
9050: $text{'item'} = 'IDs';
9051: $text{'action'} = 'IDs';
9052: }
9053: }
9054: $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
9055: if ($mode eq 'upload') {
9056: if ($checkitem eq 'username') {
9057: $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
9058: } elsif ($checkitem eq 'id') {
9059: $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
9060: }
9061: } elsif ($mode eq 'selfcreate') {
9062: if ($checkitem eq 'id') {
9063: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
9064: }
9065: } else {
9066: if ($checkitem eq 'username') {
9067: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
9068: } elsif ($checkitem eq 'id') {
9069: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
9070: }
9071: }
9072: return $response;
9073: }
9074:
9075: sub personal_data_fieldtitles {
9076: my %fieldtitles = &Apache::lonlocal::texthash (
9077: id => 'Student/Employee ID',
9078: permanentemail => 'E-mail address',
9079: lastname => 'Last Name',
9080: firstname => 'First Name',
9081: middlename => 'Middle Name',
9082: generation => 'Generation',
9083: gen => 'Generation',
9084: inststatus => 'Affiliation',
9085: );
9086: return %fieldtitles;
9087: }
9088:
9089: sub sorted_inst_types {
9090: my ($dom) = @_;
9091: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
9092: my $othertitle = &mt('All users');
9093: if ($env{'request.course.id'}) {
9094: $othertitle = &mt('Any users');
9095: }
9096: my @types;
9097: if (ref($order) eq 'ARRAY') {
9098: @types = @{$order};
9099: }
9100: if (@types == 0) {
9101: if (ref($usertypes) eq 'HASH') {
9102: @types = sort(keys(%{$usertypes}));
9103: }
9104: }
9105: if (keys(%{$usertypes}) > 0) {
9106: $othertitle = &mt('Other users');
9107: }
9108: return ($othertitle,$usertypes,\@types);
9109: }
9110:
9111: sub get_institutional_codes {
9112: my ($settings,$allcourses,$LC_code) = @_;
9113: # Get complete list of course sections to update
9114: my @currsections = ();
9115: my @currxlists = ();
9116: my $coursecode = $$settings{'internal.coursecode'};
9117:
9118: if ($$settings{'internal.sectionnums'} ne '') {
9119: @currsections = split(/,/,$$settings{'internal.sectionnums'});
9120: }
9121:
9122: if ($$settings{'internal.crosslistings'} ne '') {
9123: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
9124: }
9125:
9126: if (@currxlists > 0) {
9127: foreach (@currxlists) {
9128: if (m/^([^:]+):(\w*)$/) {
9129: unless (grep/^$1$/,@{$allcourses}) {
9130: push @{$allcourses},$1;
9131: $$LC_code{$1} = $2;
9132: }
9133: }
9134: }
9135: }
9136:
9137: if (@currsections > 0) {
9138: foreach (@currsections) {
9139: if (m/^(\w+):(\w*)$/) {
9140: my $sec = $coursecode.$1;
9141: my $lc_sec = $2;
9142: unless (grep/^$sec$/,@{$allcourses}) {
9143: push @{$allcourses},$sec;
9144: $$LC_code{$sec} = $lc_sec;
9145: }
9146: }
9147: }
9148: }
9149: return;
9150: }
9151:
9152: sub get_standard_codeitems {
9153: return ('Year','Semester','Department','Number','Section');
9154: }
9155:
9156: =pod
9157:
9158: =head1 Slot Helpers
9159:
9160: =over 4
9161:
9162: =item * sorted_slots()
9163:
9164: Sorts an array of slot names in order of an optional sort key,
9165: default sort is by slot start time (earliest first).
9166:
9167: Inputs:
9168:
9169: =over 4
9170:
9171: slotsarr - Reference to array of unsorted slot names.
9172:
9173: slots - Reference to hash of hash, where outer hash keys are slot names.
9174:
9175: sortkey - Name of key in inner hash to be sorted on (e.g., starttime).
9176:
9177: =back
9178:
9179: Returns:
9180:
9181: =over 4
9182:
9183: sorted - An array of slot names sorted by a specified sort key
9184: (default sort key is start time of the slot).
9185:
9186: =back
9187:
9188: =cut
9189:
9190:
9191: sub sorted_slots {
9192: my ($slotsarr,$slots,$sortkey) = @_;
9193: if ($sortkey eq '') {
9194: $sortkey = 'starttime';
9195: }
9196: my @sorted;
9197: if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
9198: @sorted =
9199: sort {
9200: if (ref($slots->{$a}) && ref($slots->{$b})) {
9201: return $slots->{$a}{$sortkey} <=> $slots->{$b}{$sortkey}
9202: }
9203: if (ref($slots->{$a})) { return -1;}
9204: if (ref($slots->{$b})) { return 1;}
9205: return 0;
9206: } @{$slotsarr};
9207: }
9208: return @sorted;
9209: }
9210:
9211: =pod
9212:
9213: =item * get_future_slots()
9214:
9215: Inputs:
9216:
9217: =over 4
9218:
9219: cnum - course number
9220:
9221: cdom - course domain
9222:
9223: now - current UNIX time
9224:
9225: symb - optional symb
9226:
9227: =back
9228:
9229: Returns:
9230:
9231: =over 4
9232:
9233: sorted_reservable - ref to array of student_schedulable slots currently
9234: reservable, ordered by end date of reservation period.
9235:
9236: reservable_now - ref to hash of student_schedulable slots currently
9237: reservable.
9238:
9239: Keys in inner hash are:
9240: (a) symb: either blank or symb to which slot use is restricted.
9241: (b) endreserve: end date of reservation period.
9242:
9243: sorted_future - ref to array of student_schedulable slots reservable in
9244: the future, ordered by start date of reservation period.
9245:
9246: future_reservable - ref to hash of student_schedulable slots reservable
9247: in the future.
9248:
9249: Keys in inner hash are:
9250: (a) symb: either blank or symb to which slot use is restricted.
9251: (b) startreserve: start date of reservation period.
9252:
9253: =back
9254:
9255: =cut
9256:
9257: sub get_future_slots {
9258: my ($cnum,$cdom,$now,$symb) = @_;
9259: my (%reservable_now,%future_reservable,@sorted_reservable,@sorted_future);
9260: my %slots = &Apache::lonnet::get_course_slots($cnum,$cdom);
9261: foreach my $slot (keys(%slots)) {
9262: next unless($slots{$slot}->{'type'} eq 'schedulable_student');
9263: if ($symb) {
9264: next if (($slots{$slot}->{'symb'} ne '') &&
9265: ($slots{$slot}->{'symb'} ne $symb));
9266: }
9267: if (($slots{$slot}->{'starttime'} > $now) &&
9268: ($slots{$slot}->{'endtime'} > $now)) {
9269: if (($slots{$slot}->{'allowedsections'}) || ($slots{$slot}->{'allowedusers'})) {
9270: my $userallowed = 0;
9271: if ($slots{$slot}->{'allowedsections'}) {
9272: my @allowed_sec = split(',',$slots{$slot}->{'allowedsections'});
9273: if (!defined($env{'request.role.sec'})
9274: && grep(/^No section assigned$/,@allowed_sec)) {
9275: $userallowed=1;
9276: } else {
9277: if (grep(/^\Q$env{'request.role.sec'}\E$/,@allowed_sec)) {
9278: $userallowed=1;
9279: }
9280: }
9281: unless ($userallowed) {
9282: if (defined($env{'request.course.groups'})) {
9283: my @groups = split(/:/,$env{'request.course.groups'});
9284: foreach my $group (@groups) {
9285: if (grep(/^\Q$group\E$/,@allowed_sec)) {
9286: $userallowed=1;
9287: last;
9288: }
9289: }
9290: }
9291: }
9292: }
9293: if ($slots{$slot}->{'allowedusers'}) {
9294: my @allowed_users = split(',',$slots{$slot}->{'allowedusers'});
9295: my $user = $env{'user.name'}.':'.$env{'user.domain'};
9296: if (grep(/^\Q$user\E$/,@allowed_users)) {
9297: $userallowed = 1;
9298: }
9299: }
9300: next unless($userallowed);
9301: }
9302: my $startreserve = $slots{$slot}->{'startreserve'};
9303: my $endreserve = $slots{$slot}->{'endreserve'};
9304: my $symb = $slots{$slot}->{'symb'};
9305: if (($startreserve < $now) &&
9306: (!$endreserve || $endreserve > $now)) {
9307: my $lastres = $endreserve;
9308: if (!$lastres) {
9309: $lastres = $slots{$slot}->{'starttime'};
9310: }
9311: $reservable_now{$slot} = {
9312: symb => $symb,
9313: endreserve => $lastres
9314: };
9315: } elsif (($startreserve > $now) &&
9316: (!$endreserve || $endreserve > $startreserve)) {
9317: $future_reservable{$slot} = {
9318: symb => $symb,
9319: startreserve => $startreserve
9320: };
9321: }
9322: }
9323: }
9324: my @unsorted_reservable = keys(%reservable_now);
9325: if (@unsorted_reservable > 0) {
9326: @sorted_reservable =
9327: &sorted_slots(\@unsorted_reservable,\%reservable_now,'endreserve');
9328: }
9329: my @unsorted_future = keys(%future_reservable);
9330: if (@unsorted_future > 0) {
9331: @sorted_future =
9332: &sorted_slots(\@unsorted_future,\%future_reservable,'startreserve');
9333: }
9334: return (\@sorted_reservable,\%reservable_now,\@sorted_future,\%future_reservable);
9335: }
9336:
9337: =pod
9338:
9339: =back
9340:
9341: =head1 HTTP Helpers
9342:
9343: =over 4
9344:
9345: =item * &get_unprocessed_cgi($query,$possible_names)
9346:
9347: Modify the %env hash to contain unprocessed CGI form parameters held in
9348: $query. The parameters listed in $possible_names (an array reference),
9349: will be set in $env{'form.name'} if they do not already exist.
9350:
9351: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
9352: $possible_names is an ref to an array of form element names. As an example:
9353: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
9354: will result in $env{'form.uname'} and $env{'form.udom'} being set.
9355:
9356: =cut
9357:
9358: sub get_unprocessed_cgi {
9359: my ($query,$possible_names)= @_;
9360: # $Apache::lonxml::debug=1;
9361: foreach my $pair (split(/&/,$query)) {
9362: my ($name, $value) = split(/=/,$pair);
9363: $name = &unescape($name);
9364: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
9365: $value =~ tr/+/ /;
9366: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
9367: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
9368: }
9369: }
9370: }
9371:
9372: =pod
9373:
9374: =item * &cacheheader()
9375:
9376: returns cache-controlling header code
9377:
9378: =cut
9379:
9380: sub cacheheader {
9381: unless ($env{'request.method'} eq 'GET') { return ''; }
9382: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
9383: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
9384: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
9385: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
9386: return $output;
9387: }
9388:
9389: =pod
9390:
9391: =item * &no_cache($r)
9392:
9393: specifies header code to not have cache
9394:
9395: =cut
9396:
9397: sub no_cache {
9398: my ($r) = @_;
9399: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
9400: $env{'request.method'} ne 'GET') { return ''; }
9401: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
9402: $r->no_cache(1);
9403: $r->header_out("Expires" => $date);
9404: $r->header_out("Pragma" => "no-cache");
9405: }
9406:
9407: sub content_type {
9408: my ($r,$type,$charset) = @_;
9409: if ($r) {
9410: # Note that printout.pl calls this with undef for $r.
9411: &no_cache($r);
9412: }
9413: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
9414: unless ($charset) {
9415: $charset=&Apache::lonlocal::current_encoding;
9416: }
9417: if ($charset) { $type.='; charset='.$charset; }
9418: if ($r) {
9419: $r->content_type($type);
9420: } else {
9421: print("Content-type: $type\n\n");
9422: }
9423: }
9424:
9425: =pod
9426:
9427: =item * &add_to_env($name,$value)
9428:
9429: adds $name to the %env hash with value
9430: $value, if $name already exists, the entry is converted to an array
9431: reference and $value is added to the array.
9432:
9433: =cut
9434:
9435: sub add_to_env {
9436: my ($name,$value)=@_;
9437: if (defined($env{$name})) {
9438: if (ref($env{$name})) {
9439: #already have multiple values
9440: push(@{ $env{$name} },$value);
9441: } else {
9442: #first time seeing multiple values, convert hash entry to an arrayref
9443: my $first=$env{$name};
9444: undef($env{$name});
9445: push(@{ $env{$name} },$first,$value);
9446: }
9447: } else {
9448: $env{$name}=$value;
9449: }
9450: }
9451:
9452: =pod
9453:
9454: =item * &get_env_multiple($name)
9455:
9456: gets $name from the %env hash, it seemlessly handles the cases where multiple
9457: values may be defined and end up as an array ref.
9458:
9459: returns an array of values
9460:
9461: =cut
9462:
9463: sub get_env_multiple {
9464: my ($name) = @_;
9465: my @values;
9466: if (defined($env{$name})) {
9467: # exists is it an array
9468: if (ref($env{$name})) {
9469: @values=@{ $env{$name} };
9470: } else {
9471: $values[0]=$env{$name};
9472: }
9473: }
9474: return(@values);
9475: }
9476:
9477: sub ask_for_embedded_content {
9478: my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
9479: my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges,
9480: %currsubfile,%unused,$rem);
9481: my $counter = 0;
9482: my $numnew = 0;
9483: my $numremref = 0;
9484: my $numinvalid = 0;
9485: my $numpathchg = 0;
9486: my $numexisting = 0;
9487: my $numunused = 0;
9488: my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath,$cdom,$cnum,
9489: $fileloc,$filename,$delete_output,$modify_output,$title,$symb,$path);
9490: my $heading = &mt('Upload embedded files');
9491: my $buttontext = &mt('Upload');
9492:
9493: my $navmap;
9494: if ($env{'request.course.id'}) {
9495: $navmap = Apache::lonnavmaps::navmap->new();
9496: }
9497: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
9498: my $current_path='/';
9499: if ($env{'form.currentpath'}) {
9500: $current_path = $env{'form.currentpath'};
9501: }
9502: if ($actionurl eq '/adm/coursegrp_portfolio') {
9503: $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
9504: $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
9505: $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
9506: } else {
9507: $udom = $env{'user.domain'};
9508: $uname = $env{'user.name'};
9509: $url = '/userfiles/portfolio';
9510: }
9511: $toplevel = $url.'/';
9512: $url .= $current_path;
9513: $getpropath = 1;
9514: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
9515: ($actionurl eq '/adm/imsimport')) {
9516: my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
9517: $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
9518: $toplevel = $url;
9519: if ($rest ne '') {
9520: $url .= $rest;
9521: }
9522: } elsif ($actionurl eq '/adm/coursedocs') {
9523: if (ref($args) eq 'HASH') {
9524: $url = $args->{'docs_url'};
9525: $toplevel = $url;
9526: if ($args->{'context'} eq 'paste') {
9527: ($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
9528: ($path) =
9529: ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
9530: $fileloc = &Apache::lonnet::filelocation('',$toplevel);
9531: $fileloc =~ s{^/}{};
9532: }
9533: }
9534: } elsif ($actionurl eq '/adm/dependencies') {
9535: if ($env{'request.course.id'} ne '') {
9536: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
9537: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
9538: if (ref($args) eq 'HASH') {
9539: $url = $args->{'docs_url'};
9540: $title = $args->{'docs_title'};
9541: $toplevel = "/$url";
9542: ($rem) = ($toplevel =~ m{^(.+/)[^/]+$});
9543: ($path) =
9544: ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
9545: $fileloc = &Apache::lonnet::filelocation('',$toplevel);
9546: $fileloc =~ s{^/}{};
9547: ($filename) = ($fileloc =~ m{.+/([^/]+)$});
9548: $heading = &mt('Status of dependencies in [_1]',"$title ($filename)");
9549: }
9550: }
9551: }
9552: my $now = time();
9553: foreach my $embed_file (keys(%{$allfiles})) {
9554: my $absolutepath;
9555: if ($embed_file =~ m{^\w+://}) {
9556: $newfiles{$embed_file} = 1;
9557: $mapping{$embed_file} = $embed_file;
9558: } else {
9559: if ($embed_file =~ m{^/}) {
9560: $absolutepath = $embed_file;
9561: $embed_file =~ s{^(/+)}{};
9562: }
9563: if ($embed_file =~ m{/}) {
9564: my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
9565: $path = &check_for_traversal($path,$url,$toplevel);
9566: my $item = $fname;
9567: if ($path ne '') {
9568: $item = $path.'/'.$fname;
9569: $subdependencies{$path}{$fname} = 1;
9570: } else {
9571: $dependencies{$item} = 1;
9572: }
9573: if ($absolutepath) {
9574: $mapping{$item} = $absolutepath;
9575: } else {
9576: $mapping{$item} = $embed_file;
9577: }
9578: } else {
9579: $dependencies{$embed_file} = 1;
9580: if ($absolutepath) {
9581: $mapping{$embed_file} = $absolutepath;
9582: } else {
9583: $mapping{$embed_file} = $embed_file;
9584: }
9585: }
9586: }
9587: }
9588: my $dirptr = 16384;
9589: foreach my $path (keys(%subdependencies)) {
9590: $currsubfile{$path} = {};
9591: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
9592: my ($sublistref,$listerror) =
9593: &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
9594: if (ref($sublistref) eq 'ARRAY') {
9595: foreach my $line (@{$sublistref}) {
9596: my ($file_name,$rest) = split(/\&/,$line,2);
9597: $currsubfile{$path}{$file_name} = 1;
9598: }
9599: }
9600: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
9601: if (opendir(my $dir,$url.'/'.$path)) {
9602: my @subdir_list = grep(!/^\./,readdir($dir));
9603: map {$currsubfile{$path}{$_} = 1;} @subdir_list;
9604: }
9605: } elsif (($actionurl eq '/adm/dependencies') ||
9606: (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
9607: ($args->{'context'} eq 'paste'))) {
9608: if ($env{'request.course.id'} ne '') {
9609: my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
9610: if ($dir ne '') {
9611: my ($sublistref,$listerror) =
9612: &Apache::lonnet::dirlist($dir.$path,$cdom,$cnum,$getpropath,undef,'/');
9613: if (ref($sublistref) eq 'ARRAY') {
9614: foreach my $line (@{$sublistref}) {
9615: my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,$size,
9616: undef,$mtime)=split(/\&/,$line,12);
9617: unless (($testdir&$dirptr) ||
9618: ($file_name =~ /^\.\.?$/)) {
9619: $currsubfile{$path}{$file_name} = [$size,$mtime];
9620: }
9621: }
9622: }
9623: }
9624: }
9625: }
9626: foreach my $file (keys(%{$subdependencies{$path}})) {
9627: if (exists($currsubfile{$path}{$file})) {
9628: my $item = $path.'/'.$file;
9629: unless ($mapping{$item} eq $item) {
9630: $pathchanges{$item} = 1;
9631: }
9632: $existing{$item} = 1;
9633: $numexisting ++;
9634: } else {
9635: $newfiles{$path.'/'.$file} = 1;
9636: }
9637: }
9638: if ($actionurl eq '/adm/dependencies') {
9639: foreach my $path (keys(%currsubfile)) {
9640: if (ref($currsubfile{$path}) eq 'HASH') {
9641: foreach my $file (keys(%{$currsubfile{$path}})) {
9642: unless ($subdependencies{$path}{$file}) {
9643: next if (($rem ne '') &&
9644: (($env{"httpref.$rem"."$path/$file"} ne '') ||
9645: (ref($navmap) &&
9646: (($navmap->getResourceByUrl($rem."$path/$file") ne '') ||
9647: (($file =~ /^(.*\.s?html?)\.bak$/i) &&
9648: ($navmap->getResourceByUrl($rem."$path/$1")))))));
9649: $unused{$path.'/'.$file} = 1;
9650: }
9651: }
9652: }
9653: }
9654: }
9655: }
9656: my %currfile;
9657: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
9658: my ($dirlistref,$listerror) =
9659: &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
9660: if (ref($dirlistref) eq 'ARRAY') {
9661: foreach my $line (@{$dirlistref}) {
9662: my ($file_name,$rest) = split(/\&/,$line,2);
9663: $currfile{$file_name} = 1;
9664: }
9665: }
9666: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
9667: if (opendir(my $dir,$url)) {
9668: my @dir_list = grep(!/^\./,readdir($dir));
9669: map {$currfile{$_} = 1;} @dir_list;
9670: }
9671: } elsif (($actionurl eq '/adm/dependencies') ||
9672: (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
9673: ($args->{'context'} eq 'paste'))) {
9674: if ($env{'request.course.id'} ne '') {
9675: my ($dir) = ($fileloc =~ m{^(.+/)[^/]+$});
9676: if ($dir ne '') {
9677: my ($dirlistref,$listerror) =
9678: &Apache::lonnet::dirlist($dir,$cdom,$cnum,$getpropath,undef,'/');
9679: if (ref($dirlistref) eq 'ARRAY') {
9680: foreach my $line (@{$dirlistref}) {
9681: my ($file_name,$dom,undef,$testdir,undef,undef,undef,undef,
9682: $size,undef,$mtime)=split(/\&/,$line,12);
9683: unless (($testdir&$dirptr) ||
9684: ($file_name =~ /^\.\.?$/)) {
9685: $currfile{$file_name} = [$size,$mtime];
9686: }
9687: }
9688: }
9689: }
9690: }
9691: }
9692: foreach my $file (keys(%dependencies)) {
9693: if (exists($currfile{$file})) {
9694: unless ($mapping{$file} eq $file) {
9695: $pathchanges{$file} = 1;
9696: }
9697: $existing{$file} = 1;
9698: $numexisting ++;
9699: } else {
9700: $newfiles{$file} = 1;
9701: }
9702: }
9703: foreach my $file (keys(%currfile)) {
9704: unless (($file eq $filename) ||
9705: ($file eq $filename.'.bak') ||
9706: ($dependencies{$file})) {
9707: if ($actionurl eq '/adm/dependencies') {
9708: next if (($rem ne '') &&
9709: (($env{"httpref.$rem".$file} ne '') ||
9710: (ref($navmap) &&
9711: (($navmap->getResourceByUrl($rem.$file) ne '') ||
9712: (($file =~ /^(.*\.s?html?)\.bak$/i) &&
9713: ($navmap->getResourceByUrl($rem.$1)))))));
9714: }
9715: $unused{$file} = 1;
9716: }
9717: }
9718: if (($actionurl eq '/adm/coursedocs') && (ref($args) eq 'HASH') &&
9719: ($args->{'context'} eq 'paste')) {
9720: $counter = scalar(keys(%existing));
9721: $numpathchg = scalar(keys(%pathchanges));
9722: return ($output,$counter,$numpathchg,\%existing);
9723: }
9724: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
9725: if ($actionurl eq '/adm/dependencies') {
9726: next if ($embed_file =~ m{^\w+://});
9727: }
9728: $upload_output .= &start_data_table_row().
9729: '<td><img src="'.&icon($embed_file).'" /> '.
9730: '<span class="LC_filename">'.$embed_file.'</span>';
9731: unless ($mapping{$embed_file} eq $embed_file) {
9732: $upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
9733: }
9734: $upload_output .= '</td><td>';
9735: if ($args->{'ignore_remote_references'} && $embed_file =~ m{^\w+://}) {
9736: $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
9737: $numremref++;
9738: } elsif ($args->{'error_on_invalid_names'}
9739: && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
9740: $upload_output.='<span class="LC_warning">'.&mt('Invalid characters').'</span>';
9741: $numinvalid++;
9742: } else {
9743: $upload_output .= &embedded_file_element('upload_embedded',$counter,
9744: $embed_file,\%mapping,
9745: $allfiles,$codebase,'upload');
9746: $counter ++;
9747: $numnew ++;
9748: }
9749: $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
9750: }
9751: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
9752: if ($actionurl eq '/adm/dependencies') {
9753: my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$embed_file);
9754: $modify_output .= &start_data_table_row().
9755: '<td><a href="'.$path.'/'.$embed_file.'" style="text-decoration:none;">'.
9756: '<img src="'.&icon($embed_file).'" border="0" />'.
9757: ' <span class="LC_filename">'.$embed_file.'</span></a></td>'.
9758: '<td>'.$size.'</td>'.
9759: '<td>'.$mtime.'</td>'.
9760: '<td><label><input type="checkbox" name="mod_upload_dep" '.
9761: 'onclick="toggleBrowse('."'$counter'".')" id="mod_upload_dep_'.
9762: $counter.'" value="'.$counter.'" />'.&mt('Yes').'</label>'.
9763: '<div id="moduploaddep_'.$counter.'" style="display:none;">'.
9764: &embedded_file_element('upload_embedded',$counter,
9765: $embed_file,\%mapping,
9766: $allfiles,$codebase,'modify').
9767: '</div></td>'.
9768: &end_data_table_row()."\n";
9769: $counter ++;
9770: } else {
9771: $upload_output .= &start_data_table_row().
9772: '<td><span class="LC_filename">'.$embed_file.'</span></td>';
9773: '<td><span class="LC_warning">'.&mt('Already exists').'</span></td>'.
9774: &Apache::loncommon::end_data_table_row()."\n";
9775: }
9776: }
9777: my $delidx = $counter;
9778: foreach my $oldfile (sort {lc($a) cmp lc($b)} keys(%unused)) {
9779: my ($size,$mtime) = &get_dependency_details(\%currfile,\%currsubfile,$oldfile);
9780: $delete_output .= &start_data_table_row().
9781: '<td><img src="'.&icon($oldfile).'" />'.
9782: ' <span class="LC_filename">'.$oldfile.'</span></td>'.
9783: '<td>'.$size.'</td>'.
9784: '<td>'.$mtime.'</td>'.
9785: '<td><label><input type="checkbox" name="del_upload_dep" '.
9786: ' value="'.$delidx.'" />'.&mt('Yes').'</label>'.
9787: &embedded_file_element('upload_embedded',$delidx,
9788: $oldfile,\%mapping,$allfiles,
9789: $codebase,'delete').'</td>'.
9790: &end_data_table_row()."\n";
9791: $numunused ++;
9792: $delidx ++;
9793: }
9794: if ($upload_output) {
9795: $upload_output = &start_data_table().
9796: $upload_output.
9797: &end_data_table()."\n";
9798: }
9799: if ($modify_output) {
9800: $modify_output = &start_data_table().
9801: &start_data_table_header_row().
9802: '<th>'.&mt('File').'</th>'.
9803: '<th>'.&mt('Size (KB)').'</th>'.
9804: '<th>'.&mt('Modified').'</th>'.
9805: '<th>'.&mt('Upload replacement?').'</th>'.
9806: &end_data_table_header_row().
9807: $modify_output.
9808: &end_data_table()."\n";
9809: }
9810: if ($delete_output) {
9811: $delete_output = &start_data_table().
9812: &start_data_table_header_row().
9813: '<th>'.&mt('File').'</th>'.
9814: '<th>'.&mt('Size (KB)').'</th>'.
9815: '<th>'.&mt('Modified').'</th>'.
9816: '<th>'.&mt('Delete?').'</th>'.
9817: &end_data_table_header_row().
9818: $delete_output.
9819: &end_data_table()."\n";
9820: }
9821: my $applies = 0;
9822: if ($numremref) {
9823: $applies ++;
9824: }
9825: if ($numinvalid) {
9826: $applies ++;
9827: }
9828: if ($numexisting) {
9829: $applies ++;
9830: }
9831: if ($counter || $numunused) {
9832: $output = '<form name="upload_embedded" action="'.$actionurl.'"'.
9833: ' method="post" enctype="multipart/form-data">'."\n".
9834: $state.'<h3>'.$heading.'</h3>';
9835: if ($actionurl eq '/adm/dependencies') {
9836: if ($numnew) {
9837: $output .= '<h4>'.&mt('Missing dependencies').'</h4>'.
9838: '<p>'.&mt('The following files need to be uploaded.').'</p>'."\n".
9839: $upload_output.'<br />'."\n";
9840: }
9841: if ($numexisting) {
9842: $output .= '<h4>'.&mt('Uploaded dependencies (in use)').'</h4>'.
9843: '<p>'.&mt('Upload a new file to replace the one currently in use.').'</p>'."\n".
9844: $modify_output.'<br />'."\n";
9845: $buttontext = &mt('Save changes');
9846: }
9847: if ($numunused) {
9848: $output .= '<h4>'.&mt('Unused files').'</h4>'.
9849: '<p>'.&mt('The following uploaded files are no longer used.').'</p>'."\n".
9850: $delete_output.'<br />'."\n";
9851: $buttontext = &mt('Save changes');
9852: }
9853: } else {
9854: $output .= $upload_output.'<br />'."\n";
9855: }
9856: $output .= '<input type ="hidden" name="number_embedded_items" value="'.
9857: $counter.'" />'."\n";
9858: if ($actionurl eq '/adm/dependencies') {
9859: $output .= '<input type ="hidden" name="number_newemb_items" value="'.
9860: $numnew.'" />'."\n";
9861: } elsif ($actionurl eq '') {
9862: $output .= '<input type="hidden" name="phase" value="three" />';
9863: }
9864: } elsif ($applies) {
9865: $output = '<b>'.&mt('Referenced files').'</b>:<br />';
9866: if ($applies > 1) {
9867: $output .=
9868: &mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';
9869: if ($numremref) {
9870: $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
9871: }
9872: if ($numinvalid) {
9873: $output .= '<li>'.&mt('reference is to file with a name containing invalid characters').'</li>'."\n";
9874: }
9875: if ($numexisting) {
9876: $output .= '<li>'.&mt('reference is to an existing file at the specified location').'</li>'."\n";
9877: }
9878: $output .= '</ul><br />';
9879: } elsif ($numremref) {
9880: $output .= '<p>'.&mt('None to upload, as all references are to URLs pointing to another server.').'</p>';
9881: } elsif ($numinvalid) {
9882: $output .= '<p>'.&mt('None to upload, as all references are to files with names containing invalid characters.').'</p>';
9883: } elsif ($numexisting) {
9884: $output .= '<p>'.&mt('None to upload, as all references are to existing files.').'</p>';
9885: }
9886: $output .= $upload_output.'<br />';
9887: }
9888: my ($pathchange_output,$chgcount);
9889: $chgcount = $counter;
9890: if (keys(%pathchanges) > 0) {
9891: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
9892: if ($counter) {
9893: $output .= &embedded_file_element('pathchange',$chgcount,
9894: $embed_file,\%mapping,
9895: $allfiles,$codebase,'change');
9896: } else {
9897: $pathchange_output .=
9898: &start_data_table_row().
9899: '<td><input type ="checkbox" name="namechange" value="'.
9900: $chgcount.'" checked="checked" /></td>'.
9901: '<td>'.$mapping{$embed_file}.'</td>'.
9902: '<td>'.$embed_file.
9903: &embedded_file_element('pathchange',$numpathchg,$embed_file,
9904: \%mapping,$allfiles,$codebase,'change').
9905: '</td>'.&end_data_table_row();
9906: }
9907: $numpathchg ++;
9908: $chgcount ++;
9909: }
9910: }
9911: if ($counter) {
9912: if ($numpathchg) {
9913: $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
9914: $numpathchg.'" />'."\n";
9915: }
9916: if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
9917: ($actionurl eq '/adm/imsimport')) {
9918: $output .= '<input type="hidden" name="phase" value="three" />'."\n";
9919: } elsif ($actionurl eq '/adm/portfolio' || $actionurl eq '/adm/coursegrp_portfolio') {
9920: $output .= '<input type="hidden" name="action" value="upload_embedded" />';
9921: } elsif ($actionurl eq '/adm/dependencies') {
9922: $output .= '<input type="hidden" name="action" value="process_changes" />';
9923: }
9924: $output .= '<input type ="submit" value="'.$buttontext.'" />'."\n".'</form>'."\n";
9925: } elsif ($numpathchg) {
9926: my %pathchange = ();
9927: $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
9928: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
9929: $output .= '<p>'.&mt('or').'</p>';
9930: }
9931: }
9932: return ($output,$counter,$numpathchg);
9933: }
9934:
9935: sub embedded_file_element {
9936: my ($context,$num,$embed_file,$mapping,$allfiles,$codebase,$type) = @_;
9937: return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
9938: (ref($codebase) eq 'HASH'));
9939: my $output;
9940: if (($context eq 'upload_embedded') && ($type ne 'delete')) {
9941: $output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
9942: }
9943: $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
9944: &escape($embed_file).'" />';
9945: unless (($context eq 'upload_embedded') &&
9946: ($mapping->{$embed_file} eq $embed_file)) {
9947: $output .='
9948: <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
9949: }
9950: my $attrib;
9951: if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
9952: $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
9953: }
9954: $output .=
9955: "\n\t\t".
9956: '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
9957: $attrib.'" />';
9958: if (exists($codebase->{$mapping->{$embed_file}})) {
9959: $output .=
9960: "\n\t\t".
9961: '<input name="codebase_'.$num.'" type="hidden" value="'.
9962: &escape($codebase->{$mapping->{$embed_file}}).'" />';
9963: }
9964: return $output;
9965: }
9966:
9967: sub get_dependency_details {
9968: my ($currfile,$currsubfile,$embed_file) = @_;
9969: my ($size,$mtime,$showsize,$showmtime);
9970: if ((ref($currfile) eq 'HASH') && (ref($currsubfile))) {
9971: if ($embed_file =~ m{/}) {
9972: my ($path,$fname) = split(/\//,$embed_file);
9973: if (ref($currsubfile->{$path}{$fname}) eq 'ARRAY') {
9974: ($size,$mtime) = @{$currsubfile->{$path}{$fname}};
9975: }
9976: } else {
9977: if (ref($currfile->{$embed_file}) eq 'ARRAY') {
9978: ($size,$mtime) = @{$currfile->{$embed_file}};
9979: }
9980: }
9981: $showsize = $size/1024.0;
9982: $showsize = sprintf("%.1f",$showsize);
9983: if ($mtime > 0) {
9984: $showmtime = &Apache::lonlocal::locallocaltime($mtime);
9985: }
9986: }
9987: return ($showsize,$showmtime);
9988: }
9989:
9990: sub ask_embedded_js {
9991: return <<"END";
9992: <script type="text/javascript"">
9993: // <![CDATA[
9994: function toggleBrowse(counter) {
9995: var chkboxid = document.getElementById('mod_upload_dep_'+counter);
9996: var fileid = document.getElementById('embedded_item_'+counter);
9997: var uploaddivid = document.getElementById('moduploaddep_'+counter);
9998: if (chkboxid.checked == true) {
9999: uploaddivid.style.display='block';
10000: } else {
10001: uploaddivid.style.display='none';
10002: fileid.value = '';
10003: }
10004: }
10005: // ]]>
10006: </script>
10007:
10008: END
10009: }
10010:
10011: sub upload_embedded {
10012: my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
10013: $current_disk_usage,$hiddenstate,$actionurl) = @_;
10014: my (%pathchange,$output,$modifyform,$footer,$returnflag);
10015: for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
10016: next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
10017: my $orig_uploaded_filename =
10018: $env{'form.embedded_item_'.$i.'.filename'};
10019: foreach my $type ('orig','ref','attrib','codebase') {
10020: if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
10021: $env{'form.embedded_'.$type.'_'.$i} =
10022: &unescape($env{'form.embedded_'.$type.'_'.$i});
10023: }
10024: }
10025: my ($path,$fname) =
10026: ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
10027: # no path, whole string is fname
10028: if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
10029: $fname = &Apache::lonnet::clean_filename($fname);
10030: # See if there is anything left
10031: next if ($fname eq '');
10032:
10033: # Check if file already exists as a file or directory.
10034: my ($state,$msg);
10035: if ($context eq 'portfolio') {
10036: my $port_path = $dirpath;
10037: if ($group ne '') {
10038: $port_path = "groups/$group/$port_path";
10039: }
10040: ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
10041: $fname,$group,'embedded_item_'.$i,
10042: $dir_root,$port_path,$disk_quota,
10043: $current_disk_usage,$uname,$udom);
10044: if ($state eq 'will_exceed_quota'
10045: || $state eq 'file_locked') {
10046: $output .= $msg;
10047: next;
10048: }
10049: } elsif (($context eq 'author') || ($context eq 'testbank')) {
10050: ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
10051: if ($state eq 'exists') {
10052: $output .= $msg;
10053: next;
10054: }
10055: }
10056: # Check if extension is valid
10057: if (($fname =~ /\.(\w+)$/) &&
10058: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
10059: $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).'<br />';
10060: next;
10061: } elsif (($fname =~ /\.(\w+)$/) &&
10062: (!defined(&Apache::loncommon::fileembstyle($1)))) {
10063: $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
10064: next;
10065: } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
10066: $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
10067: next;
10068: }
10069: $env{'form.embedded_item_'.$i.'.filename'}=$fname;
10070: if ($context eq 'portfolio') {
10071: my $result;
10072: if ($state eq 'existingfile') {
10073: $result=
10074: &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
10075: $dirpath.$env{'form.currentpath'}.$path);
10076: } else {
10077: $result=
10078: &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
10079: $dirpath.
10080: $env{'form.currentpath'}.$path);
10081: if ($result !~ m|^/uploaded/|) {
10082: $output .= '<span class="LC_error">'
10083: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
10084: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
10085: .'</span><br />';
10086: next;
10087: } else {
10088: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
10089: $path.$fname.'</span>').'<br />';
10090: }
10091: }
10092: } elsif ($context eq 'coursedoc') {
10093: my $result =
10094: &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
10095: $dirpath.'/'.$path);
10096: if ($result !~ m|^/uploaded/|) {
10097: $output .= '<span class="LC_error">'
10098: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
10099: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
10100: .'</span><br />';
10101: next;
10102: } else {
10103: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
10104: $path.$fname.'</span>').'<br />';
10105: }
10106: } else {
10107: # Save the file
10108: my $target = $env{'form.embedded_item_'.$i};
10109: my $fullpath = $dir_root.$dirpath.'/'.$path;
10110: my $dest = $fullpath.$fname;
10111: my $url = $url_root.$dirpath.'/'.$path.$fname;
10112: my @parts=split(/\//,"$dirpath/$path");
10113: my $count;
10114: my $filepath = $dir_root;
10115: foreach my $subdir (@parts) {
10116: $filepath .= "/$subdir";
10117: if (!-e $filepath) {
10118: mkdir($filepath,0770);
10119: }
10120: }
10121: my $fh;
10122: if (!open($fh,'>'.$dest)) {
10123: &Apache::lonnet::logthis('Failed to create '.$dest);
10124: $output .= '<span class="LC_error">'.
10125: &mt('An error occurred while trying to upload [_1] for embedded element [_2].',
10126: $orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
10127: '</span><br />';
10128: } else {
10129: if (!print $fh $env{'form.embedded_item_'.$i}) {
10130: &Apache::lonnet::logthis('Failed to write to '.$dest);
10131: $output .= '<span class="LC_error">'.
10132: &mt('An error occurred while writing the file [_1] for embedded element [_2].',
10133: $orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
10134: '</span><br />';
10135: } else {
10136: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
10137: $url.'</span>').'<br />';
10138: unless ($context eq 'testbank') {
10139: $footer .= &mt('View embedded file: [_1]',
10140: '<a href="'.$url.'">'.$fname.'</a>').'<br />';
10141: }
10142: }
10143: close($fh);
10144: }
10145: }
10146: if ($env{'form.embedded_ref_'.$i}) {
10147: $pathchange{$i} = 1;
10148: }
10149: }
10150: if ($output) {
10151: $output = '<p>'.$output.'</p>';
10152: }
10153: $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
10154: $returnflag = 'ok';
10155: my $numpathchgs = scalar(keys(%pathchange));
10156: if ($numpathchgs > 0) {
10157: if ($context eq 'portfolio') {
10158: $output .= '<p>'.&mt('or').'</p>';
10159: } elsif ($context eq 'testbank') {
10160: $output .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).',
10161: '<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
10162: $returnflag = 'modify_orightml';
10163: }
10164: }
10165: return ($output.$footer,$returnflag,$numpathchgs);
10166: }
10167:
10168: sub modify_html_form {
10169: my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
10170: my $end = 0;
10171: my $modifyform;
10172: if ($context eq 'upload_embedded') {
10173: return unless (ref($pathchange) eq 'HASH');
10174: if ($env{'form.number_embedded_items'}) {
10175: $end += $env{'form.number_embedded_items'};
10176: }
10177: if ($env{'form.number_pathchange_items'}) {
10178: $end += $env{'form.number_pathchange_items'};
10179: }
10180: if ($end) {
10181: for (my $i=0; $i<$end; $i++) {
10182: if ($i < $env{'form.number_embedded_items'}) {
10183: next unless($pathchange->{$i});
10184: }
10185: $modifyform .=
10186: &start_data_table_row().
10187: '<td><input type ="checkbox" name="namechange" value="'.$i.'" '.
10188: 'checked="checked" /></td>'.
10189: '<td>'.$env{'form.embedded_ref_'.$i}.
10190: '<input type="hidden" name="embedded_ref_'.$i.'" value="'.
10191: &escape($env{'form.embedded_ref_'.$i}).'" />'.
10192: '<input type="hidden" name="embedded_codebase_'.$i.'" value="'.
10193: &escape($env{'form.embedded_codebase_'.$i}).'" />'.
10194: '<input type="hidden" name="embedded_attrib_'.$i.'" value="'.
10195: &escape($env{'form.embedded_attrib_'.$i}).'" /></td>'.
10196: '<td>'.$env{'form.embedded_orig_'.$i}.
10197: '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
10198: &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
10199: &end_data_table_row();
10200: }
10201: }
10202: } else {
10203: $modifyform = $pathchgtable;
10204: if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
10205: $hiddenstate .= '<input type="hidden" name="phase" value="four" />';
10206: } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
10207: $hiddenstate .= '<input type="hidden" name="action" value="modify_orightml" />';
10208: }
10209: }
10210: if ($modifyform) {
10211: if ($actionurl eq '/adm/dependencies') {
10212: $hiddenstate .= '<input type="hidden" name="action" value="modifyhrefs" />';
10213: }
10214: return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
10215: '<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
10216: '<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
10217: '<li>'.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'</li>'."\n".
10218: '</ol></p>'."\n".'<p>'.
10219: &mt('LON-CAPA can make the required changes to your HTML file.').'</p>'."\n".
10220: '<form method="post" name="refchanger" action="'.$actionurl.'">'.
10221: &start_data_table()."\n".
10222: &start_data_table_header_row().
10223: '<th>'.&mt('Change?').'</th>'.
10224: '<th>'.&mt('Current reference').'</th>'.
10225: '<th>'.&mt('Required reference').'</th>'.
10226: &end_data_table_header_row()."\n".
10227: $modifyform.
10228: &end_data_table().'<br />'."\n".$hiddenstate.
10229: '<input type="submit" name="pathchanges" value="'.&mt('Modify HTML file').'" />'.
10230: '</form>'."\n";
10231: }
10232: return;
10233: }
10234:
10235: sub modify_html_refs {
10236: my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
10237: my $container;
10238: if ($context eq 'portfolio') {
10239: $container = $env{'form.container'};
10240: } elsif ($context eq 'coursedoc') {
10241: $container = $env{'form.primaryurl'};
10242: } elsif ($context eq 'manage_dependencies') {
10243: (undef,undef,$container) = &Apache::lonnet::decode_symb($env{'form.symb'});
10244: $container = "/$container";
10245: } else {
10246: $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
10247: }
10248: my (%allfiles,%codebase,$output,$content);
10249: my @changes = &get_env_multiple('form.namechange');
10250: unless (@changes > 0) {
10251: if (wantarray) {
10252: return ('',0,0);
10253: } else {
10254: return;
10255: }
10256: }
10257: if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
10258: ($context eq 'manage_dependencies')) {
10259: unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}) {
10260: if (wantarray) {
10261: return ('',0,0);
10262: } else {
10263: return;
10264: }
10265: }
10266: $content = &Apache::lonnet::getfile($container);
10267: if ($content eq '-1') {
10268: if (wantarray) {
10269: return ('',0,0);
10270: } else {
10271: return;
10272: }
10273: }
10274: } else {
10275: unless ($container =~ /^\Q$dir_root\E/) {
10276: if (wantarray) {
10277: return ('',0,0);
10278: } else {
10279: return;
10280: }
10281: }
10282: if (open(my $fh,"<$container")) {
10283: $content = join('', <$fh>);
10284: close($fh);
10285: } else {
10286: if (wantarray) {
10287: return ('',0,0);
10288: } else {
10289: return;
10290: }
10291: }
10292: }
10293: my ($count,$codebasecount) = (0,0);
10294: my $mm = new File::MMagic;
10295: my $mime_type = $mm->checktype_contents($content);
10296: if ($mime_type eq 'text/html') {
10297: my $parse_result =
10298: &Apache::lonnet::extract_embedded_items($container,\%allfiles,
10299: \%codebase,\$content);
10300: if ($parse_result eq 'ok') {
10301: foreach my $i (@changes) {
10302: my $orig = &unescape($env{'form.embedded_orig_'.$i});
10303: my $ref = &unescape($env{'form.embedded_ref_'.$i});
10304: if ($allfiles{$ref}) {
10305: my $newname = $orig;
10306: my ($attrib_regexp,$codebase);
10307: $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
10308: if ($attrib_regexp =~ /:/) {
10309: $attrib_regexp =~ s/\:/|/g;
10310: }
10311: if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
10312: my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
10313: $count += $numchg;
10314: }
10315: if ($env{'form.embedded_codebase_'.$i} ne '') {
10316: $codebase = &unescape($env{'form.embedded_codebase_'.$i});
10317: my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
10318: $codebasecount ++;
10319: }
10320: }
10321: }
10322: if ($count || $codebasecount) {
10323: my $saveresult;
10324: if (($context eq 'portfolio') || ($context eq 'coursedoc') ||
10325: ($context eq 'manage_dependencies')) {
10326: my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
10327: if ($url eq $container) {
10328: my ($fname) = ($container =~ m{/([^/]+)$});
10329: $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
10330: $count,'<span class="LC_filename">'.
10331: $fname.'</span>').'</p>';
10332: } else {
10333: $output = '<p class="LC_error">'.
10334: &mt('Error: update failed for: [_1].',
10335: '<span class="LC_filename">'.
10336: $container.'</span>').'</p>';
10337: }
10338: } else {
10339: if (open(my $fh,">$container")) {
10340: print $fh $content;
10341: close($fh);
10342: $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
10343: $count,'<span class="LC_filename">'.
10344: $container.'</span>').'</p>';
10345: } else {
10346: $output = '<p class="LC_error">'.
10347: &mt('Error: could not update [_1].',
10348: '<span class="LC_filename">'.
10349: $container.'</span>').'</p>';
10350: }
10351: }
10352: }
10353: } else {
10354: &logthis('Failed to parse '.$container.
10355: ' to modify references: '.$parse_result);
10356: }
10357: }
10358: if (wantarray) {
10359: return ($output,$count,$codebasecount);
10360: } else {
10361: return $output;
10362: }
10363: }
10364:
10365: sub check_for_existing {
10366: my ($path,$fname,$element) = @_;
10367: my ($state,$msg);
10368: if (-d $path.'/'.$fname) {
10369: $state = 'exists';
10370: $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
10371: } elsif (-e $path.'/'.$fname) {
10372: $state = 'exists';
10373: $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
10374: }
10375: if ($state eq 'exists') {
10376: $msg = '<span class="LC_error">'.$msg.'</span><br />';
10377: }
10378: return ($state,$msg);
10379: }
10380:
10381: sub check_for_upload {
10382: my ($path,$fname,$group,$element,$portfolio_root,$port_path,
10383: $disk_quota,$current_disk_usage,$uname,$udom) = @_;
10384: my $filesize = length($env{'form.'.$element});
10385: if (!$filesize) {
10386: my $msg = '<span class="LC_error">'.
10387: &mt('Unable to upload [_1]. (size = [_2] bytes)',
10388: '<span class="LC_filename">'.$fname.'</span>',
10389: $filesize).'<br />'.
10390: &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />'.
10391: '</span>';
10392: return ('zero_bytes',$msg);
10393: }
10394: $filesize = $filesize/1000; #express in k (1024?)
10395: my $getpropath = 1;
10396: my ($dirlistref,$listerror) =
10397: &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,$getpropath);
10398: my $found_file = 0;
10399: my $locked_file = 0;
10400: my @lockers;
10401: my $navmap;
10402: if ($env{'request.course.id'}) {
10403: $navmap = Apache::lonnavmaps::navmap->new();
10404: }
10405: if (ref($dirlistref) eq 'ARRAY') {
10406: foreach my $line (@{$dirlistref}) {
10407: my ($file_name,$rest)=split(/\&/,$line,2);
10408: if ($file_name eq $fname){
10409: $file_name = $path.$file_name;
10410: if ($group ne '') {
10411: $file_name = $group.$file_name;
10412: }
10413: $found_file = 1;
10414: if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
10415: foreach my $lock (@lockers) {
10416: if (ref($lock) eq 'ARRAY') {
10417: my ($symb,$crsid) = @{$lock};
10418: if ($crsid eq $env{'request.course.id'}) {
10419: if (ref($navmap)) {
10420: my $res = $navmap->getBySymb($symb);
10421: foreach my $part (@{$res->parts()}) {
10422: my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
10423: unless (($slot_status == $res->RESERVED) ||
10424: ($slot_status == $res->RESERVED_LOCATION)) {
10425: $locked_file = 1;
10426: }
10427: }
10428: } else {
10429: $locked_file = 1;
10430: }
10431: } else {
10432: $locked_file = 1;
10433: }
10434: }
10435: }
10436: } else {
10437: my @info = split(/\&/,$rest);
10438: my $currsize = $info[6]/1000;
10439: if ($currsize < $filesize) {
10440: my $extra = $filesize - $currsize;
10441: if (($current_disk_usage + $extra) > $disk_quota) {
10442: my $msg = '<span class="LC_error">'.
10443: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
10444: '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
10445: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
10446: $disk_quota,$current_disk_usage);
10447: return ('will_exceed_quota',$msg);
10448: }
10449: }
10450: }
10451: }
10452: }
10453: }
10454: if (($current_disk_usage + $filesize) > $disk_quota){
10455: my $msg = '<span class="LC_error">'.
10456: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
10457: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
10458: return ('will_exceed_quota',$msg);
10459: } elsif ($found_file) {
10460: if ($locked_file) {
10461: my $msg = '<span class="LC_error">';
10462: $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
10463: $msg .= '</span><br />';
10464: $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
10465: return ('file_locked',$msg);
10466: } else {
10467: my $msg = '<span class="LC_error">';
10468: $msg .= &mt(' A file by that name: [_1] was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
10469: $msg .= '</span>';
10470: return ('existingfile',$msg);
10471: }
10472: }
10473: }
10474:
10475: sub check_for_traversal {
10476: my ($path,$url,$toplevel) = @_;
10477: my @parts=split(/\//,$path);
10478: my $cleanpath;
10479: my $fullpath = $url;
10480: for (my $i=0;$i<@parts;$i++) {
10481: next if ($parts[$i] eq '.');
10482: if ($parts[$i] eq '..') {
10483: $fullpath =~ s{([^/]+/)$}{};
10484: } else {
10485: $fullpath .= $parts[$i].'/';
10486: }
10487: }
10488: if ($fullpath =~ /^\Q$url\E(.*)$/) {
10489: $cleanpath = $1;
10490: } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
10491: my $curr_toprel = $1;
10492: my @parts = split(/\//,$curr_toprel);
10493: my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
10494: my @urlparts = split(/\//,$url_toprel);
10495: my $doubledots;
10496: my $startdiff = -1;
10497: for (my $i=0; $i<@urlparts; $i++) {
10498: if ($startdiff == -1) {
10499: unless ($urlparts[$i] eq $parts[$i]) {
10500: $startdiff = $i;
10501: $doubledots .= '../';
10502: }
10503: } else {
10504: $doubledots .= '../';
10505: }
10506: }
10507: if ($startdiff > -1) {
10508: $cleanpath = $doubledots;
10509: for (my $i=$startdiff; $i<@parts; $i++) {
10510: $cleanpath .= $parts[$i].'/';
10511: }
10512: }
10513: }
10514: $cleanpath =~ s{(/)$}{};
10515: return $cleanpath;
10516: }
10517:
10518: sub is_archive_file {
10519: my ($mimetype) = @_;
10520: if (($mimetype eq 'application/octet-stream') ||
10521: ($mimetype eq 'application/x-stuffit') ||
10522: ($mimetype =~ m{^application/(x\-)?(compressed|tar|zip|tgz|gz|gtar|gzip|gunzip|bz|bz2|bzip2)})) {
10523: return 1;
10524: }
10525: return;
10526: }
10527:
10528: sub decompress_form {
10529: my ($mimetype,$archiveurl,$action,$noextract,$hiddenelements,$dirlist) = @_;
10530: my %lt = &Apache::lonlocal::texthash (
10531: this => 'This file is an archive file.',
10532: camt => 'This file is a Camtasia archive file.',
10533: itsc => 'Its contents are as follows:',
10534: youm => 'You may wish to extract its contents.',
10535: extr => 'Extract contents',
10536: auto => 'LON-CAPA can process the files automatically, or you can decide how each should be handled.',
10537: proa => 'Process automatically?',
10538: yes => 'Yes',
10539: no => 'No',
10540: fold => 'Title for folder containing movie',
10541: movi => 'Title for page containing embedded movie',
10542: );
10543: my $fileloc = &Apache::lonnet::filelocation(undef,$archiveurl);
10544: my ($is_camtasia,$topdir,%toplevel,@paths);
10545: my $info = &list_archive_contents($fileloc,\@paths);
10546: if (@paths) {
10547: foreach my $path (@paths) {
10548: $path =~ s{^/}{};
10549: if ($path =~ m{^([^/]+)/$}) {
10550: $topdir = $1;
10551: }
10552: if ($path =~ m{^([^/]+)/}) {
10553: $toplevel{$1} = $path;
10554: } else {
10555: $toplevel{$path} = $path;
10556: }
10557: }
10558: }
10559: if ($mimetype =~ m{^application/(x\-)?(compressed|zip)}) {
10560: my @camtasia = ("$topdir/","$topdir/index.html",
10561: "$topdir/media/",
10562: "$topdir/media/$topdir.mp4",
10563: "$topdir/media/FirstFrame.png",
10564: "$topdir/media/player.swf",
10565: "$topdir/media/swfobject.js",
10566: "$topdir/media/expressInstall.swf");
10567: my @diffs = &compare_arrays(\@paths,\@camtasia);
10568: if (@diffs == 0) {
10569: $is_camtasia = 1;
10570: }
10571: }
10572: my $output;
10573: if ($is_camtasia) {
10574: $output = <<"ENDCAM";
10575: <script type="text/javascript" language="Javascript">
10576: // <![CDATA[
10577:
10578: function camtasiaToggle() {
10579: for (var i=0; i<document.uploaded_decompress.autoextract_camtasia.length; i++) {
10580: if (document.uploaded_decompress.autoextract_camtasia[i].checked) {
10581: if (document.uploaded_decompress.autoextract_camtasia[i].value == 1) {
10582:
10583: document.getElementById('camtasia_titles').style.display='block';
10584: } else {
10585: document.getElementById('camtasia_titles').style.display='none';
10586: }
10587: }
10588: }
10589: return;
10590: }
10591:
10592: // ]]>
10593: </script>
10594: <p>$lt{'camt'}</p>
10595: ENDCAM
10596: } else {
10597: $output = '<p>'.$lt{'this'};
10598: if ($info eq '') {
10599: $output .= ' '.$lt{'youm'}.'</p>'."\n";
10600: } else {
10601: $output .= ' '.$lt{'itsc'}.'</p>'."\n".
10602: '<div><pre>'.$info.'</pre></div>';
10603: }
10604: }
10605: $output .= '<form name="uploaded_decompress" action="'.$action.'" method="post">'."\n";
10606: my $duplicates;
10607: my $num = 0;
10608: if (ref($dirlist) eq 'ARRAY') {
10609: foreach my $item (@{$dirlist}) {
10610: if (ref($item) eq 'ARRAY') {
10611: if (exists($toplevel{$item->[0]})) {
10612: $duplicates .=
10613: &start_data_table_row().
10614: '<td><label><input type="radio" name="archive_overwrite_'.$num.'" '.
10615: 'value="0" checked="checked" />'.&mt('No').'</label>'.
10616: ' <label><input type="radio" name="archive_overwrite_'.$num.'" '.
10617: 'value="1" />'.&mt('Yes').'</label>'.
10618: '<input type="hidden" name="archive_overwrite_name_'.$num.'" value="'.$item->[0].'" /></td>'."\n".
10619: '<td>'.$item->[0].'</td>';
10620: if ($item->[2]) {
10621: $duplicates .= '<td>'.&mt('Directory').'</td>';
10622: } else {
10623: $duplicates .= '<td>'.&mt('File').'</td>';
10624: }
10625: $duplicates .= '<td>'.$item->[3].'</td>'.
10626: '<td>'.
10627: &Apache::lonlocal::locallocaltime($item->[4]).
10628: '</td>'.
10629: &end_data_table_row();
10630: $num ++;
10631: }
10632: }
10633: }
10634: }
10635: my $itemcount;
10636: if (@paths > 0) {
10637: $itemcount = scalar(@paths);
10638: } else {
10639: $itemcount = 1;
10640: }
10641: if ($is_camtasia) {
10642: $output .= $lt{'auto'}.'<br />'.
10643: '<span class="LC_nobreak">'.$lt{'proa'}.'<label>'.
10644: '<input type="radio" name="autoextract_camtasia" value="1" onclick="javascript:camtasiaToggle();" checked="checked" />'.
10645: $lt{'yes'}.'</label> <label>'.
10646: '<input type="radio" name="autoextract_camtasia" value="0" onclick="javascript:camtasiaToggle();" />'.
10647: $lt{'no'}.'</label></span><br />'.
10648: '<div id="camtasia_titles" style="display:block">'.
10649: &Apache::lonhtmlcommon::start_pick_box().
10650: &Apache::lonhtmlcommon::row_title($lt{'fold'}).
10651: '<input type="textbox" name="camtasia_foldername" value="'.$env{'form.comment'}.'" />'."\n".
10652: &Apache::lonhtmlcommon::row_closure().
10653: &Apache::lonhtmlcommon::row_title($lt{'movi'}).
10654: '<input type="textbox" name="camtasia_moviename" value="" />'."\n".
10655: &Apache::lonhtmlcommon::row_closure(1).
10656: &Apache::lonhtmlcommon::end_pick_box().
10657: '</div>';
10658: }
10659: $output .=
10660: '<input type="hidden" name="archive_overwrite_total" value="'.$num.'" />'.
10661: '<input type="hidden" name="archive_itemcount" value="'.$itemcount.'" />'.
10662: "\n";
10663: if ($duplicates ne '') {
10664: $output .= '<p><span class="LC_warning">'.
10665: &mt('Warning: decompression of the archive will overwrite the following items which already exist:').'</span><br />'.
10666: &start_data_table().
10667: &start_data_table_header_row().
10668: '<th>'.&mt('Overwrite?').'</th>'.
10669: '<th>'.&mt('Name').'</th>'.
10670: '<th>'.&mt('Type').'</th>'.
10671: '<th>'.&mt('Size').'</th>'.
10672: '<th>'.&mt('Last modified').'</th>'.
10673: &end_data_table_header_row().
10674: $duplicates.
10675: &end_data_table().
10676: '</p>';
10677: }
10678: $output .= '<input type="hidden" name="archiveurl" value="'.$archiveurl.'" />'."\n";
10679: if (ref($hiddenelements) eq 'HASH') {
10680: foreach my $hidden (sort(keys(%{$hiddenelements}))) {
10681: $output .= '<input type="hidden" name="'.$hidden.'" value="'.$hiddenelements->{$hidden}.'" />'."\n";
10682: }
10683: }
10684: $output .= <<"END";
10685: <br />
10686: <input type="submit" name="decompress" value="$lt{'extr'}" />
10687: </form>
10688: $noextract
10689: END
10690: return $output;
10691: }
10692:
10693: sub decompression_utility {
10694: my ($program) = @_;
10695: my @utilities = ('tar','gunzip','bunzip2','unzip');
10696: my $location;
10697: if (grep(/^\Q$program\E$/,@utilities)) {
10698: foreach my $dir ('/bin/','/usr/bin/','/usr/local/bin/','/sbin/',
10699: '/usr/sbin/') {
10700: if (-x $dir.$program) {
10701: $location = $dir.$program;
10702: last;
10703: }
10704: }
10705: }
10706: return $location;
10707: }
10708:
10709: sub list_archive_contents {
10710: my ($file,$pathsref) = @_;
10711: my (@cmd,$output);
10712: my $needsregexp;
10713: if ($file =~ /\.zip$/) {
10714: @cmd = (&decompression_utility('unzip'),"-l");
10715: $needsregexp = 1;
10716: } elsif (($file =~ m/\.tar\.gz$/) ||
10717: ($file =~ /\.tgz$/)) {
10718: @cmd = (&decompression_utility('tar'),"-ztf");
10719: } elsif ($file =~ /\.tar\.bz2$/) {
10720: @cmd = (&decompression_utility('tar'),"-jtf");
10721: } elsif ($file =~ m|\.tar$|) {
10722: @cmd = (&decompression_utility('tar'),"-tf");
10723: }
10724: if (@cmd) {
10725: undef($!);
10726: undef($@);
10727: if (open(my $fh,"-|", @cmd, $file)) {
10728: while (my $line = <$fh>) {
10729: $output .= $line;
10730: chomp($line);
10731: my $item;
10732: if ($needsregexp) {
10733: ($item) = ($line =~ /^\s*\d+\s+[\d\-]+\s+[\d:]+\s*(.+)$/);
10734: } else {
10735: $item = $line;
10736: }
10737: if ($item ne '') {
10738: unless (grep(/^\Q$item\E$/,@{$pathsref})) {
10739: push(@{$pathsref},$item);
10740: }
10741: }
10742: }
10743: close($fh);
10744: }
10745: }
10746: return $output;
10747: }
10748:
10749: sub decompress_uploaded_file {
10750: my ($file,$dir) = @_;
10751: &Apache::lonnet::appenv({'cgi.file' => $file});
10752: &Apache::lonnet::appenv({'cgi.dir' => $dir});
10753: my $result = &Apache::lonnet::ssi_body('/cgi-bin/decompress.pl');
10754: my ($handle) = ($env{'user.environment'} =~m{/([^/]+)\.id$});
10755: my $lonidsdir = $Apache::lonnet::perlvar{'lonIDsDir'};
10756: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle,1);
10757: my $decompressed = $env{'cgi.decompressed'};
10758: &Apache::lonnet::delenv('cgi.file');
10759: &Apache::lonnet::delenv('cgi.dir');
10760: &Apache::lonnet::delenv('cgi.decompressed');
10761: return ($decompressed,$result);
10762: }
10763:
10764: sub process_decompression {
10765: my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
10766: my ($dir,$error,$warning,$output);
10767: if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
10768: $error = &mt('File name not a supported archive file type.').
10769: '<br />'.&mt('File name should end with one of: [_1].',
10770: '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
10771: } else {
10772: my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
10773: if ($docuhome eq 'no_host') {
10774: $error = &mt('Could not determine home server for course.');
10775: } else {
10776: my @ids=&Apache::lonnet::current_machine_ids();
10777: my $currdir = "$dir_root/$destination";
10778: if (grep(/^\Q$docuhome\E$/,@ids)) {
10779: $dir = &LONCAPA::propath($docudom,$docuname).
10780: "$dir_root/$destination";
10781: } else {
10782: $dir = $Apache::lonnet::perlvar{'lonDocRoot'}.
10783: "$dir_root/$docudom/$docuname/$destination";
10784: unless (&Apache::lonnet::repcopy_userfile("$dir/$file") eq 'ok') {
10785: $error = &mt('Archive file not found.');
10786: }
10787: }
10788: my (@to_overwrite,@to_skip);
10789: if ($env{'form.archive_overwrite_total'} > 0) {
10790: my $total = $env{'form.archive_overwrite_total'};
10791: for (my $i=0; $i<$total; $i++) {
10792: if ($env{'form.archive_overwrite_'.$i} == 1) {
10793: push(@to_overwrite,$env{'form.archive_overwrite_name_'.$i});
10794: } elsif ($env{'form.archive_overwrite_'.$i} == 0) {
10795: push(@to_skip,$env{'form.archive_overwrite_name_'.$i});
10796: }
10797: }
10798: }
10799: my $numskip = scalar(@to_skip);
10800: if (($numskip > 0) &&
10801: ($numskip == $env{'form.archive_itemcount'})) {
10802: $warning = &mt('All items in the archive file already exist, and no overwriting of existing files has been requested.');
10803: } elsif ($dir eq '') {
10804: $error = &mt('Directory containing archive file unavailable.');
10805: } elsif (!$error) {
10806: my ($decompressed,$display);
10807: if ($numskip > 0) {
10808: my $tempdir = time.'_'.$$.int(rand(10000));
10809: mkdir("$dir/$tempdir",0755);
10810: system("mv $dir/$file $dir/$tempdir/$file");
10811: ($decompressed,$display) =
10812: &decompress_uploaded_file($file,"$dir/$tempdir");
10813: foreach my $item (@to_skip) {
10814: if (($item ne '') && ($item !~ /\.\./)) {
10815: if (-f "$dir/$tempdir/$item") {
10816: unlink("$dir/$tempdir/$item");
10817: } elsif (-d "$dir/$tempdir/$item") {
10818: system("rm -rf $dir/$tempdir/$item");
10819: }
10820: }
10821: }
10822: system("mv $dir/$tempdir/* $dir");
10823: rmdir("$dir/$tempdir");
10824: } else {
10825: ($decompressed,$display) =
10826: &decompress_uploaded_file($file,$dir);
10827: }
10828: if ($decompressed eq 'ok') {
10829: $output = '<p class="LC_info">'.
10830: &mt('Files extracted successfully from archive.').
10831: '</p>'."\n";
10832: my ($warning,$result,@contents);
10833: my ($newdirlistref,$newlisterror) =
10834: &Apache::lonnet::dirlist($currdir,$docudom,
10835: $docuname,1);
10836: my (%is_dir,%changes,@newitems);
10837: my $dirptr = 16384;
10838: if (ref($newdirlistref) eq 'ARRAY') {
10839: foreach my $dir_line (@{$newdirlistref}) {
10840: my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
10841: unless (($item =~ /^\.+$/) || ($item eq $file) ||
10842: ((@to_skip > 0) && (grep(/^\Q$item\E$/,@to_skip)))) {
10843: push(@newitems,$item);
10844: if ($dirptr&$testdir) {
10845: $is_dir{$item} = 1;
10846: }
10847: $changes{$item} = 1;
10848: }
10849: }
10850: }
10851: if (keys(%changes) > 0) {
10852: foreach my $item (sort(@newitems)) {
10853: if ($changes{$item}) {
10854: push(@contents,$item);
10855: }
10856: }
10857: }
10858: if (@contents > 0) {
10859: my $wantform;
10860: unless ($env{'form.autoextract_camtasia'}) {
10861: $wantform = 1;
10862: }
10863: my (%children,%parent,%dirorder,%titles);
10864: my ($count,$datatable) = &get_extracted($docudom,$docuname,
10865: $currdir,\%is_dir,
10866: \%children,\%parent,
10867: \@contents,\%dirorder,
10868: \%titles,$wantform);
10869: if ($datatable ne '') {
10870: $output .= &archive_options_form('decompressed',$datatable,
10871: $count,$hiddenelem);
10872: my $startcount = 6;
10873: $output .= &archive_javascript($startcount,$count,
10874: \%titles,\%children);
10875: }
10876: if ($env{'form.autoextract_camtasia'}) {
10877: my %displayed;
10878: my $total = 1;
10879: $env{'form.archive_directory'} = [];
10880: foreach my $i (sort { $a <=> $b } keys(%dirorder)) {
10881: my $path = join('/',map { $titles{$_}; } @{$dirorder{$i}});
10882: $path =~ s{/$}{};
10883: my $item;
10884: if ($path ne '') {
10885: $item = "$path/$titles{$i}";
10886: } else {
10887: $item = $titles{$i};
10888: }
10889: $env{'form.archive_content_'.$i} = "$dir_root/$destination/$item";
10890: if ($item eq $contents[0]) {
10891: push(@{$env{'form.archive_directory'}},$i);
10892: $env{'form.archive_'.$i} = 'display';
10893: $env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'};
10894: $displayed{'folder'} = $i;
10895: } elsif ($item eq "$contents[0]/index.html") {
10896: $env{'form.archive_'.$i} = 'display';
10897: $env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'};
10898: $displayed{'web'} = $i;
10899: } else {
10900: if ($item eq "$contents[0]/media") {
10901: push(@{$env{'form.archive_directory'}},$i);
10902: }
10903: $env{'form.archive_'.$i} = 'dependency';
10904: }
10905: $total ++;
10906: }
10907: for (my $i=1; $i<$total; $i++) {
10908: next if ($i == $displayed{'web'});
10909: next if ($i == $displayed{'folder'});
10910: $env{'form.archive_dependent_on_'.$i} = $displayed{'web'};
10911: }
10912: $env{'form.phase'} = 'decompress_cleanup';
10913: $env{'form.archivedelete'} = 1;
10914: $env{'form.archive_count'} = $total-1;
10915: $output .=
10916: &process_extracted_files('coursedocs',$docudom,
10917: $docuname,$destination,
10918: $dir_root,$hiddenelem);
10919: }
10920: } else {
10921: $warning = &mt('No new items extracted from archive file.');
10922: }
10923: } else {
10924: $output = $display;
10925: $error = &mt('An error occurred during extraction from the archive file.');
10926: }
10927: }
10928: }
10929: }
10930: if ($error) {
10931: $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
10932: $error.'</p>'."\n";
10933: }
10934: if ($warning) {
10935: $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
10936: }
10937: return $output;
10938: }
10939:
10940: sub get_extracted {
10941: my ($docudom,$docuname,$currdir,$is_dir,$children,$parent,$contents,$dirorder,
10942: $titles,$wantform) = @_;
10943: my $count = 0;
10944: my $depth = 0;
10945: my $datatable;
10946: my @hierarchy;
10947: return unless ((ref($is_dir) eq 'HASH') && (ref($children) eq 'HASH') &&
10948: (ref($parent) eq 'HASH') && (ref($contents) eq 'ARRAY') &&
10949: (ref($dirorder) eq 'HASH') && (ref($titles) eq 'HASH'));
10950: foreach my $item (@{$contents}) {
10951: $count ++;
10952: @{$dirorder->{$count}} = @hierarchy;
10953: $titles->{$count} = $item;
10954: &archive_hierarchy($depth,$count,$parent,$children);
10955: if ($wantform) {
10956: $datatable .= &archive_row($is_dir->{$item},$item,
10957: $currdir,$depth,$count);
10958: }
10959: if ($is_dir->{$item}) {
10960: $depth ++;
10961: push(@hierarchy,$count);
10962: $parent->{$depth} = $count;
10963: $datatable .=
10964: &recurse_extracted_archive("$currdir/$item",$docudom,$docuname,
10965: \$depth,\$count,\@hierarchy,$dirorder,
10966: $children,$parent,$titles,$wantform);
10967: $depth --;
10968: pop(@hierarchy);
10969: }
10970: }
10971: return ($count,$datatable);
10972: }
10973:
10974: sub recurse_extracted_archive {
10975: my ($currdir,$docudom,$docuname,$depth,$count,$hierarchy,$dirorder,
10976: $children,$parent,$titles,$wantform) = @_;
10977: my $result='';
10978: unless ((ref($depth)) && (ref($count)) && (ref($hierarchy) eq 'ARRAY') &&
10979: (ref($children) eq 'HASH') && (ref($parent) eq 'HASH') &&
10980: (ref($dirorder) eq 'HASH')) {
10981: return $result;
10982: }
10983: my $dirptr = 16384;
10984: my ($newdirlistref,$newlisterror) =
10985: &Apache::lonnet::dirlist($currdir,$docudom,$docuname,1);
10986: if (ref($newdirlistref) eq 'ARRAY') {
10987: foreach my $dir_line (@{$newdirlistref}) {
10988: my ($item,undef,undef,$testdir)=split(/\&/,$dir_line,5);
10989: unless ($item =~ /^\.+$/) {
10990: $$count ++;
10991: @{$dirorder->{$$count}} = @{$hierarchy};
10992: $titles->{$$count} = $item;
10993: &archive_hierarchy($$depth,$$count,$parent,$children);
10994:
10995: my $is_dir;
10996: if ($dirptr&$testdir) {
10997: $is_dir = 1;
10998: }
10999: if ($wantform) {
11000: $result .= &archive_row($is_dir,$item,$currdir,$$depth,$$count);
11001: }
11002: if ($is_dir) {
11003: $$depth ++;
11004: push(@{$hierarchy},$$count);
11005: $parent->{$$depth} = $$count;
11006: $result .=
11007: &recurse_extracted_archive("$currdir/$item",$docudom,
11008: $docuname,$depth,$count,
11009: $hierarchy,$dirorder,$children,
11010: $parent,$titles,$wantform);
11011: $$depth --;
11012: pop(@{$hierarchy});
11013: }
11014: }
11015: }
11016: }
11017: return $result;
11018: }
11019:
11020: sub archive_hierarchy {
11021: my ($depth,$count,$parent,$children) =@_;
11022: if ((ref($parent) eq 'HASH') && (ref($children) eq 'HASH')) {
11023: if (exists($parent->{$depth})) {
11024: $children->{$parent->{$depth}} .= $count.':';
11025: }
11026: }
11027: return;
11028: }
11029:
11030: sub archive_row {
11031: my ($is_dir,$item,$currdir,$depth,$count) = @_;
11032: my ($name) = ($item =~ m{([^/]+)$});
11033: my %choices = &Apache::lonlocal::texthash (
11034: 'display' => 'Add as file',
11035: 'dependency' => 'Include as dependency',
11036: 'discard' => 'Discard',
11037: );
11038: if ($is_dir) {
11039: $choices{'display'} = &mt('Add as folder');
11040: }
11041: my $output = &start_data_table_row().'<td align="right">'.$count.'</td>'."\n";
11042: my $offset = 0;
11043: foreach my $action ('display','dependency','discard') {
11044: $offset ++;
11045: if ($action ne 'display') {
11046: $offset ++;
11047: }
11048: $output .= '<td><span class="LC_nobreak">'.
11049: '<label><input type="radio" name="archive_'.$count.
11050: '" id="archive_'.$action.'_'.$count.'" value="'.$action.'"';
11051: my $text = $choices{$action};
11052: if ($is_dir) {
11053: $output .= ' onclick="javascript:propagateCheck(this.form,'."'$count'".');"';
11054: if ($action eq 'display') {
11055: $text = &mt('Add as folder');
11056: }
11057: } else {
11058: $output .= ' onclick="javascript:dependencyCheck(this.form,'."$count,$offset".');"';
11059:
11060: }
11061: $output .= ' /> '.$choices{$action}.'</label></span>';
11062: if ($action eq 'dependency') {
11063: $output .= '<div id="arc_depon_'.$count.'" style="display:none;">'."\n".
11064: &mt('Used by:').' <select name="archive_dependent_on_'.$count.'" '.
11065: 'onchange="propagateSelect(this.form,'."$count,$offset".')">'."\n".
11066: '<option value=""></option>'."\n".
11067: '</select>'."\n".
11068: '</div>';
11069: } elsif ($action eq 'display') {
11070: $output .= '<div id="arc_title_'.$count.'" style="display:none;">'."\n".
11071: &mt('Title:').' <input type="text" name="archive_title_'.$count.'" id="archive_title_'.$count.'" />'."\n".
11072: '</div>';
11073: }
11074: $output .= '</td>';
11075: }
11076: $output .= '<td><input type="hidden" name="archive_content_'.$count.'" value="'.
11077: &HTML::Entities::encode("$currdir/$item",'"<>&').'" />'.(' ' x 2);
11078: for (my $i=0; $i<$depth; $i++) {
11079: $output .= ('<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" alt="" />' x2)."\n";
11080: }
11081: if ($is_dir) {
11082: $output .= '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" /> '."\n".
11083: '<input type="hidden" name="archive_directory" value="'.$count.'" />'."\n";
11084: } else {
11085: $output .= '<input type="hidden" name="archive_file" value="'.$count.'" />'."\n";
11086: }
11087: $output .= ' '.$name.'</td>'."\n".
11088: &end_data_table_row();
11089: return $output;
11090: }
11091:
11092: sub archive_options_form {
11093: my ($form,$display,$count,$hiddenelem) = @_;
11094: my %lt = &Apache::lonlocal::texthash(
11095: perm => 'Permanently remove archive file?',
11096: hows => 'How should each extracted item be incorporated in the course?',
11097: cont => 'Content actions for all',
11098: addf => 'Add as folder/file',
11099: incd => 'Include as dependency for a displayed file',
11100: disc => 'Discard',
11101: no => 'No',
11102: yes => 'Yes',
11103: save => 'Save',
11104: );
11105: my $output = <<"END";
11106: <form name="$form" method="post" action="">
11107: <p><span class="LC_nobreak">$lt{'perm'}
11108: <label>
11109: <input type="radio" name="archivedelete" value="0" checked="checked" />$lt{'no'}
11110: </label>
11111:
11112: <label>
11113: <input type="radio" name="archivedelete" value="1" />$lt{'yes'}</label>
11114: </span>
11115: </p>
11116: <input type="hidden" name="phase" value="decompress_cleanup" />
11117: <br />$lt{'hows'}
11118: <div class="LC_columnSection">
11119: <fieldset>
11120: <legend>$lt{'cont'}</legend>
11121: <input type="button" value="$lt{'addf'}" onclick="javascript:checkAll(document.$form,'display');" />
11122: <input type="button" value="$lt{'incd'}" onclick="javascript:checkAll(document.$form,'dependency');" />
11123: <input type="button" value="$lt{'disc'}" onclick="javascript:checkAll(document.$form,'discard');" />
11124: </fieldset>
11125: </div>
11126: END
11127: return $output.
11128: &start_data_table()."\n".
11129: $display."\n".
11130: &end_data_table()."\n".
11131: '<input type="hidden" name="archive_count" value="'.$count.'" />'.
11132: $hiddenelem.
11133: '<br /><input type="submit" name="archive_submit" value="'.$lt{'save'}.'" />'.
11134: '</form>';
11135: }
11136:
11137: sub archive_javascript {
11138: my ($startcount,$numitems,$titles,$children) = @_;
11139: return unless ((ref($titles) eq 'HASH') && (ref($children) eq 'HASH'));
11140: my $maintitle = $env{'form.comment'};
11141: my $scripttag = <<START;
11142: <script type="text/javascript">
11143: // <![CDATA[
11144:
11145: function checkAll(form,prefix) {
11146: var idstr = new RegExp("^archive_"+prefix+"_\\\\d+\$");
11147: for (var i=0; i < form.elements.length; i++) {
11148: var id = form.elements[i].id;
11149: if ((id != '') && (id != undefined)) {
11150: if (idstr.test(id)) {
11151: if (form.elements[i].type == 'radio') {
11152: form.elements[i].checked = true;
11153: var nostart = i-$startcount;
11154: var offset = nostart%7;
11155: var count = (nostart-offset)/7;
11156: dependencyCheck(form,count,offset);
11157: }
11158: }
11159: }
11160: }
11161: }
11162:
11163: function propagateCheck(form,count) {
11164: if (count > 0) {
11165: var startelement = $startcount + ((count-1) * 7);
11166: for (var j=1; j<6; j++) {
11167: if ((j != 2) && (j != 4)) {
11168: var item = startelement + j;
11169: if (form.elements[item].type == 'radio') {
11170: if (form.elements[item].checked) {
11171: containerCheck(form,count,j);
11172: break;
11173: }
11174: }
11175: }
11176: }
11177: }
11178: }
11179:
11180: numitems = $numitems
11181: var titles = new Array(numitems);
11182: var parents = new Array(numitems);
11183: for (var i=0; i<numitems; i++) {
11184: parents[i] = new Array;
11185: }
11186: var maintitle = '$maintitle';
11187:
11188: START
11189:
11190: foreach my $container (sort { $a <=> $b } (keys(%{$children}))) {
11191: my @contents = split(/:/,$children->{$container});
11192: for (my $i=0; $i<@contents; $i ++) {
11193: $scripttag .= 'parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
11194: }
11195: }
11196:
11197: foreach my $key (sort { $a <=> $b } (keys(%{$titles}))) {
11198: $scripttag .= "titles[$key] = '".$titles->{$key}."';\n";
11199: }
11200:
11201: $scripttag .= <<END;
11202:
11203: function containerCheck(form,count,offset) {
11204: if (count > 0) {
11205: dependencyCheck(form,count,offset);
11206: var item = (offset+$startcount)+7*(count-1);
11207: form.elements[item].checked = true;
11208: if(Object.prototype.toString.call(parents[count]) === '[object Array]') {
11209: if (parents[count].length > 0) {
11210: for (var j=0; j<parents[count].length; j++) {
11211: containerCheck(form,parents[count][j],offset);
11212: }
11213: }
11214: }
11215: }
11216: }
11217:
11218: function dependencyCheck(form,count,offset) {
11219: if (count > 0) {
11220: var chosen = (offset+$startcount)+7*(count-1);
11221: var depitem = $startcount + ((count-1) * 7) + 4;
11222: var currtype = form.elements[depitem].type;
11223: if (form.elements[chosen].value == 'dependency') {
11224: document.getElementById('arc_depon_'+count).style.display='block';
11225: form.elements[depitem].options.length = 0;
11226: form.elements[depitem].options[0] = new Option('Select','',true,true);
11227: for (var i=1; i<=numitems; i++) {
11228: if (i == count) {
11229: continue;
11230: }
11231: var startelement = $startcount + (i-1) * 7;
11232: for (var j=1; j<6; j++) {
11233: if ((j != 2) && (j!= 4)) {
11234: var item = startelement + j;
11235: if (form.elements[item].type == 'radio') {
11236: if (form.elements[item].checked) {
11237: if (form.elements[item].value == 'display') {
11238: var n = form.elements[depitem].options.length;
11239: form.elements[depitem].options[n] = new Option(titles[i],i,false,false);
11240: }
11241: }
11242: }
11243: }
11244: }
11245: }
11246: } else {
11247: document.getElementById('arc_depon_'+count).style.display='none';
11248: form.elements[depitem].options.length = 0;
11249: form.elements[depitem].options[0] = new Option('Select','',true,true);
11250: }
11251: titleCheck(form,count,offset);
11252: }
11253: }
11254:
11255: function propagateSelect(form,count,offset) {
11256: if (count > 0) {
11257: var item = (1+offset+$startcount)+7*(count-1);
11258: var picked = form.elements[item].options[form.elements[item].selectedIndex].value;
11259: if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
11260: if (parents[count].length > 0) {
11261: for (var j=0; j<parents[count].length; j++) {
11262: containerSelect(form,parents[count][j],offset,picked);
11263: }
11264: }
11265: }
11266: }
11267: }
11268:
11269: function containerSelect(form,count,offset,picked) {
11270: if (count > 0) {
11271: var item = (offset+$startcount)+7*(count-1);
11272: if (form.elements[item].type == 'radio') {
11273: if (form.elements[item].value == 'dependency') {
11274: if (form.elements[item+1].type == 'select-one') {
11275: for (var i=0; i<form.elements[item+1].options.length; i++) {
11276: if (form.elements[item+1].options[i].value == picked) {
11277: form.elements[item+1].selectedIndex = i;
11278: break;
11279: }
11280: }
11281: }
11282: if (Object.prototype.toString.call(parents[count]) === '[object Array]') {
11283: if (parents[count].length > 0) {
11284: for (var j=0; j<parents[count].length; j++) {
11285: containerSelect(form,parents[count][j],offset,picked);
11286: }
11287: }
11288: }
11289: }
11290: }
11291: }
11292: }
11293:
11294: function titleCheck(form,count,offset) {
11295: if (count > 0) {
11296: var chosen = (offset+$startcount)+7*(count-1);
11297: var depitem = $startcount + ((count-1) * 7) + 2;
11298: var currtype = form.elements[depitem].type;
11299: if (form.elements[chosen].value == 'display') {
11300: document.getElementById('arc_title_'+count).style.display='block';
11301: if ((count==1) && ((parents[count].length > 0) || (numitems == 1))) {
11302: document.getElementById('archive_title_'+count).value=maintitle;
11303: }
11304: } else {
11305: document.getElementById('arc_title_'+count).style.display='none';
11306: if (currtype == 'text') {
11307: document.getElementById('archive_title_'+count).value='';
11308: }
11309: }
11310: }
11311: return;
11312: }
11313:
11314: // ]]>
11315: </script>
11316: END
11317: return $scripttag;
11318: }
11319:
11320: sub process_extracted_files {
11321: my ($context,$docudom,$docuname,$destination,$dir_root,$hiddenelem) = @_;
11322: my $numitems = $env{'form.archive_count'};
11323: return unless ($numitems);
11324: my @ids=&Apache::lonnet::current_machine_ids();
11325: my ($prefix,$pathtocheck,$dir,$ishome,$error,$warning,%toplevelitems,%is_dir,
11326: %folders,%containers,%mapinner,%prompttofetch);
11327: my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
11328: if (grep(/^\Q$docuhome\E$/,@ids)) {
11329: $prefix = &LONCAPA::propath($docudom,$docuname);
11330: $pathtocheck = "$dir_root/$destination";
11331: $dir = $dir_root;
11332: $ishome = 1;
11333: } else {
11334: $prefix = $Apache::lonnet::perlvar{'lonDocRoot'};
11335: $pathtocheck = "$dir_root/$docudom/$docuname/$destination";
11336: $dir = "$dir_root/$docudom/$docuname";
11337: }
11338: my $currdir = "$dir_root/$destination";
11339: (my $docstype,$mapinner{'0'}) = ($destination =~ m{^(docs|supplemental)/(\w+)/});
11340: if ($env{'form.folderpath'}) {
11341: my @items = split('&',$env{'form.folderpath'});
11342: $folders{'0'} = $items[-2];
11343: if ($env{'form.folderpath'} =~ /\:1$/) {
11344: $containers{'0'}='page';
11345: } else {
11346: $containers{'0'}='sequence';
11347: }
11348: }
11349: my @archdirs = &get_env_multiple('form.archive_directory');
11350: if ($numitems) {
11351: for (my $i=1; $i<=$numitems; $i++) {
11352: my $path = $env{'form.archive_content_'.$i};
11353: if ($path =~ m{^\Q$pathtocheck\E/([^/]+)$}) {
11354: my $item = $1;
11355: $toplevelitems{$item} = $i;
11356: if (grep(/^\Q$i\E$/,@archdirs)) {
11357: $is_dir{$item} = 1;
11358: }
11359: }
11360: }
11361: }
11362: my ($output,%children,%parent,%titles,%dirorder,$result);
11363: if (keys(%toplevelitems) > 0) {
11364: my @contents = sort(keys(%toplevelitems));
11365: (my $count,undef) = &get_extracted($docudom,$docuname,$currdir,\%is_dir,\%children,
11366: \%parent,\@contents,\%dirorder,\%titles);
11367: }
11368: my (%referrer,%orphaned,%todelete,%todeletedir,%newdest,%newseqid);
11369: if ($numitems) {
11370: for (my $i=1; $i<=$numitems; $i++) {
11371: next if ($env{'form.archive_'.$i} eq 'dependency');
11372: my $path = $env{'form.archive_content_'.$i};
11373: if ($path =~ /^\Q$pathtocheck\E/) {
11374: if ($env{'form.archive_'.$i} eq 'discard') {
11375: if ($prefix ne '' && $path ne '') {
11376: if (-e $prefix.$path) {
11377: if ((@archdirs > 0) &&
11378: (grep(/^\Q$i\E$/,@archdirs))) {
11379: $todeletedir{$prefix.$path} = 1;
11380: } else {
11381: $todelete{$prefix.$path} = 1;
11382: }
11383: }
11384: }
11385: } elsif ($env{'form.archive_'.$i} eq 'display') {
11386: my ($docstitle,$title,$url,$outer);
11387: ($title) = ($path =~ m{/([^/]+)$});
11388: $docstitle = $env{'form.archive_title_'.$i};
11389: if ($docstitle eq '') {
11390: $docstitle = $title;
11391: }
11392: $outer = 0;
11393: if (ref($dirorder{$i}) eq 'ARRAY') {
11394: if (@{$dirorder{$i}} > 0) {
11395: foreach my $item (reverse(@{$dirorder{$i}})) {
11396: if ($env{'form.archive_'.$item} eq 'display') {
11397: $outer = $item;
11398: last;
11399: }
11400: }
11401: }
11402: }
11403: my ($errtext,$fatal) =
11404: &LONCAPA::map::mapread('/uploaded/'.$docudom.'/'.$docuname.
11405: '/'.$folders{$outer}.'.'.
11406: $containers{$outer});
11407: next if ($fatal);
11408: if ((@archdirs > 0) && (grep(/^\Q$i\E$/,@archdirs))) {
11409: if ($context eq 'coursedocs') {
11410: $mapinner{$i} = time;
11411: $folders{$i} = 'default_'.$mapinner{$i};
11412: $containers{$i} = 'sequence';
11413: my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
11414: $folders{$i}.'.'.$containers{$i};
11415: my $newidx = &LONCAPA::map::getresidx();
11416: $LONCAPA::map::resources[$newidx]=
11417: $docstitle.':'.$url.':false:normal:res';
11418: push(@LONCAPA::map::order,$newidx);
11419: my ($outtext,$errtext) =
11420: &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
11421: $docuname.'/'.$folders{$outer}.
11422: '.'.$containers{$outer},1,1);
11423: $newseqid{$i} = $newidx;
11424: unless ($errtext) {
11425: $result .= '<li>'.&mt('Folder: [_1] added to course',$docstitle).'</li>'."\n";
11426: }
11427: }
11428: } else {
11429: if ($context eq 'coursedocs') {
11430: my $newidx=&LONCAPA::map::getresidx();
11431: my $url = '/uploaded/'.$docudom.'/'.$docuname.'/'.
11432: $docstype.'/'.$mapinner{$outer}.'/'.$newidx.'/'.
11433: $title;
11434: if (!-e "$prefix$dir/$docstype/$mapinner{$outer}") {
11435: mkdir("$prefix$dir/$docstype/$mapinner{$outer}",0755);
11436: }
11437: if (!-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
11438: mkdir("$prefix$dir/$docstype/$mapinner{$outer}/$newidx");
11439: }
11440: if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx") {
11441: system("mv $prefix$path $prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title");
11442: $newdest{$i} = "$prefix$dir/$docstype/$mapinner{$outer}/$newidx";
11443: unless ($ishome) {
11444: my $fetch = "$newdest{$i}/$title";
11445: $fetch =~ s/^\Q$prefix$dir\E//;
11446: $prompttofetch{$fetch} = 1;
11447: }
11448: }
11449: $LONCAPA::map::resources[$newidx]=
11450: $docstitle.':'.$url.':false:normal:res';
11451: push(@LONCAPA::map::order, $newidx);
11452: my ($outtext,$errtext)=
11453: &LONCAPA::map::storemap('/uploaded/'.$docudom.'/'.
11454: $docuname.'/'.$folders{$outer}.
11455: '.'.$containers{$outer},1,1);
11456: unless ($errtext) {
11457: if (-e "$prefix$dir/$docstype/$mapinner{$outer}/$newidx/$title") {
11458: $result .= '<li>'.&mt('File: [_1] added to course',$docstitle).'</li>'."\n";
11459: }
11460: }
11461: }
11462: }
11463: }
11464: } else {
11465: $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
11466: }
11467: }
11468: for (my $i=1; $i<=$numitems; $i++) {
11469: next unless ($env{'form.archive_'.$i} eq 'dependency');
11470: my $path = $env{'form.archive_content_'.$i};
11471: if ($path =~ /^\Q$pathtocheck\E/) {
11472: my ($title) = ($path =~ m{/([^/]+)$});
11473: $referrer{$i} = $env{'form.archive_dependent_on_'.$i};
11474: if ($env{'form.archive_'.$referrer{$i}} eq 'display') {
11475: if (ref($dirorder{$i}) eq 'ARRAY') {
11476: my ($itemidx,$fullpath,$relpath);
11477: if (ref($dirorder{$referrer{$i}}) eq 'ARRAY') {
11478: my $container = $dirorder{$referrer{$i}}->[-1];
11479: for (my $j=0; $j<@{$dirorder{$i}}; $j++) {
11480: if ($dirorder{$i}->[$j] eq $container) {
11481: $itemidx = $j;
11482: }
11483: }
11484: }
11485: if ($itemidx eq '') {
11486: $itemidx = 0;
11487: }
11488: if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
11489: if ($mapinner{$referrer{$i}}) {
11490: $fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
11491: for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
11492: if (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
11493: unless (defined($newseqid{$dirorder{$i}->[$j]})) {
11494: $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
11495: $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
11496: if (!-e $fullpath) {
11497: mkdir($fullpath,0755);
11498: }
11499: }
11500: } else {
11501: last;
11502: }
11503: }
11504: }
11505: } elsif ($newdest{$referrer{$i}}) {
11506: $fullpath = $newdest{$referrer{$i}};
11507: for (my $j=$itemidx; $j<@{$dirorder{$i}}; $j++) {
11508: if ($env{'form.archive_'.$dirorder{$i}->[$j]} eq 'discard') {
11509: $orphaned{$i} = $env{'form.archive_'.$dirorder{$i}->[$j]};
11510: last;
11511: } elsif (grep(/^\Q$dirorder{$i}->[$j]\E$/,@archdirs)) {
11512: unless (defined($newseqid{$dirorder{$i}->[$j]})) {
11513: $fullpath .= '/'.$titles{$dirorder{$i}->[$j]};
11514: $relpath .= '/'.$titles{$dirorder{$i}->[$j]};
11515: if (!-e $fullpath) {
11516: mkdir($fullpath,0755);
11517: }
11518: }
11519: } else {
11520: last;
11521: }
11522: }
11523: }
11524: if ($fullpath ne '') {
11525: if (-e "$prefix$path") {
11526: system("mv $prefix$path $fullpath/$title");
11527: }
11528: if (-e "$fullpath/$title") {
11529: my $showpath;
11530: if ($relpath ne '') {
11531: $showpath = "$relpath/$title";
11532: } else {
11533: $showpath = "/$title";
11534: }
11535: $result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
11536: }
11537: unless ($ishome) {
11538: my $fetch = "$fullpath/$title";
11539: $fetch =~ s/^\Q$prefix$dir\E//;
11540: $prompttofetch{$fetch} = 1;
11541: }
11542: }
11543: }
11544: } elsif ($env{'form.archive_'.$referrer{$i}} eq 'discard') {
11545: $warning .= &mt('[_1] is a dependency of [_2], which was discarded.',
11546: $path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
11547: }
11548: } else {
11549: $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
11550: }
11551: }
11552: if (keys(%todelete)) {
11553: foreach my $key (keys(%todelete)) {
11554: unlink($key);
11555: }
11556: }
11557: if (keys(%todeletedir)) {
11558: foreach my $key (keys(%todeletedir)) {
11559: rmdir($key);
11560: }
11561: }
11562: foreach my $dir (sort(keys(%is_dir))) {
11563: if (($pathtocheck ne '') && ($dir ne '')) {
11564: &cleanup_empty_dirs($prefix."$pathtocheck/$dir");
11565: }
11566: }
11567: if ($result ne '') {
11568: $output .= '<ul>'."\n".
11569: $result."\n".
11570: '</ul>';
11571: }
11572: unless ($ishome) {
11573: my $replicationfail;
11574: foreach my $item (keys(%prompttofetch)) {
11575: my $fetchresult= &Apache::lonnet::reply('fetchuserfile:'.$item,$docuhome);
11576: unless ($fetchresult eq 'ok') {
11577: $replicationfail .= '<li>'.$item.'</li>'."\n";
11578: }
11579: }
11580: if ($replicationfail) {
11581: $output .= '<p class="LC_error">'.
11582: &mt('Course home server failed to retrieve:').'<ul>'.
11583: $replicationfail.
11584: '</ul></p>';
11585: }
11586: }
11587: } else {
11588: $warning = &mt('No items found in archive.');
11589: }
11590: if ($error) {
11591: $output .= '<p class="LC_error">'.&mt('Not extracted.').'<br />'.
11592: $error.'</p>'."\n";
11593: }
11594: if ($warning) {
11595: $output .= '<p class="LC_warning">'.$warning.'</p>'."\n";
11596: }
11597: return $output;
11598: }
11599:
11600: sub cleanup_empty_dirs {
11601: my ($path) = @_;
11602: if (($path ne '') && (-d $path)) {
11603: if (opendir(my $dirh,$path)) {
11604: my @dircontents = grep(!/^\./,readdir($dirh));
11605: my $numitems = 0;
11606: foreach my $item (@dircontents) {
11607: if (-d "$path/$item") {
11608: &cleanup_empty_dirs("$path/$item");
11609: if (-e "$path/$item") {
11610: $numitems ++;
11611: }
11612: } else {
11613: $numitems ++;
11614: }
11615: }
11616: if ($numitems == 0) {
11617: rmdir($path);
11618: }
11619: closedir($dirh);
11620: }
11621: }
11622: return;
11623: }
11624:
11625: =pod
11626:
11627: =item &get_folder_hierarchy()
11628:
11629: Provides hierarchy of names of folders/sub-folders containing the current
11630: item,
11631:
11632: Inputs: 3
11633: - $navmap - navmaps object
11634:
11635: - $map - url for map (either the trigger itself, or map containing
11636: the resource, which is the trigger).
11637:
11638: - $showitem - 1 => show title for map itself; 0 => do not show.
11639:
11640: Outputs: 1 @pathitems - array of folder/subfolder names.
11641:
11642: =cut
11643:
11644: sub get_folder_hierarchy {
11645: my ($navmap,$map,$showitem) = @_;
11646: my @pathitems;
11647: if (ref($navmap)) {
11648: my $mapres = $navmap->getResourceByUrl($map);
11649: if (ref($mapres)) {
11650: my $pcslist = $mapres->map_hierarchy();
11651: if ($pcslist ne '') {
11652: my @pcs = split(/,/,$pcslist);
11653: foreach my $pc (@pcs) {
11654: if ($pc == 1) {
11655: push(@pathitems,&mt('Main Course Documents'));
11656: } else {
11657: my $res = $navmap->getByMapPc($pc);
11658: if (ref($res)) {
11659: my $title = $res->compTitle();
11660: $title =~ s/\W+/_/g;
11661: if ($title ne '') {
11662: push(@pathitems,$title);
11663: }
11664: }
11665: }
11666: }
11667: }
11668: if ($showitem) {
11669: if ($mapres->{ID} eq '0.0') {
11670: push(@pathitems,&mt('Main Course Documents'));
11671: } else {
11672: my $maptitle = $mapres->compTitle();
11673: $maptitle =~ s/\W+/_/g;
11674: if ($maptitle ne '') {
11675: push(@pathitems,$maptitle);
11676: }
11677: }
11678: }
11679: }
11680: }
11681: return @pathitems;
11682: }
11683:
11684: =pod
11685:
11686: =item * &get_turnedin_filepath()
11687:
11688: Determines path in a user's portfolio file for storage of files uploaded
11689: to a specific essayresponse or dropbox item.
11690:
11691: Inputs: 3 required + 1 optional.
11692: $symb is symb for resource, $uname and $udom are for current user (required).
11693: $caller is optional (can be "submission", if routine is called when storing
11694: an upoaded file when "Submit Answer" button was pressed).
11695:
11696: Returns array containing $path and $multiresp.
11697: $path is path in portfolio. $multiresp is 1 if this resource contains more
11698: than one file upload item. Callers of routine should append partid as a
11699: subdirectory to $path in cases where $multiresp is 1.
11700:
11701: Called by: homework/essayresponse.pm and homework/structuretags.pm
11702:
11703: =cut
11704:
11705: sub get_turnedin_filepath {
11706: my ($symb,$uname,$udom,$caller) = @_;
11707: my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
11708: my $turnindir;
11709: my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
11710: $turnindir = $userhash{'turnindir'};
11711: my ($path,$multiresp);
11712: if ($turnindir eq '') {
11713: if ($caller eq 'submission') {
11714: $turnindir = &mt('turned in');
11715: $turnindir =~ s/\W+/_/g;
11716: my %newhash = (
11717: 'turnindir' => $turnindir,
11718: );
11719: &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
11720: }
11721: }
11722: if ($turnindir ne '') {
11723: $path = '/'.$turnindir.'/';
11724: my ($multipart,$turnin,@pathitems);
11725: my $navmap = Apache::lonnavmaps::navmap->new();
11726: if (defined($navmap)) {
11727: my $mapres = $navmap->getResourceByUrl($map);
11728: if (ref($mapres)) {
11729: my $pcslist = $mapres->map_hierarchy();
11730: if ($pcslist ne '') {
11731: foreach my $pc (split(/,/,$pcslist)) {
11732: my $res = $navmap->getByMapPc($pc);
11733: if (ref($res)) {
11734: my $title = $res->compTitle();
11735: $title =~ s/\W+/_/g;
11736: if ($title ne '') {
11737: push(@pathitems,$title);
11738: }
11739: }
11740: }
11741: }
11742: my $maptitle = $mapres->compTitle();
11743: $maptitle =~ s/\W+/_/g;
11744: if ($maptitle ne '') {
11745: push(@pathitems,$maptitle);
11746: }
11747: unless ($env{'request.state'} eq 'construct') {
11748: my $res = $navmap->getBySymb($symb);
11749: if (ref($res)) {
11750: my $partlist = $res->parts();
11751: my $totaluploads = 0;
11752: if (ref($partlist) eq 'ARRAY') {
11753: foreach my $part (@{$partlist}) {
11754: my @types = $res->responseType($part);
11755: my @ids = $res->responseIds($part);
11756: for (my $i=0; $i < scalar(@ids); $i++) {
11757: if ($types[$i] eq 'essay') {
11758: my $partid = $part.'_'.$ids[$i];
11759: if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
11760: $totaluploads ++;
11761: }
11762: }
11763: }
11764: }
11765: if ($totaluploads > 1) {
11766: $multiresp = 1;
11767: }
11768: }
11769: }
11770: }
11771: } else {
11772: return;
11773: }
11774: } else {
11775: return;
11776: }
11777: my $restitle=&Apache::lonnet::gettitle($symb);
11778: $restitle =~ s/\W+/_/g;
11779: if ($restitle eq '') {
11780: $restitle = ($resurl =~ m{/[^/]+$});
11781: if ($restitle eq '') {
11782: $restitle = time;
11783: }
11784: }
11785: push(@pathitems,$restitle);
11786: $path .= join('/',@pathitems);
11787: }
11788: return ($path,$multiresp);
11789: }
11790:
11791: =pod
11792:
11793: =back
11794:
11795: =head1 CSV Upload/Handling functions
11796:
11797: =over 4
11798:
11799: =item * &upfile_store($r)
11800:
11801: Store uploaded file, $r should be the HTTP Request object,
11802: needs $env{'form.upfile'}
11803: returns $datatoken to be put into hidden field
11804:
11805: =cut
11806:
11807: sub upfile_store {
11808: my $r=shift;
11809: $env{'form.upfile'}=~s/\r/\n/gs;
11810: $env{'form.upfile'}=~s/\f/\n/gs;
11811: $env{'form.upfile'}=~s/\n+/\n/gs;
11812: $env{'form.upfile'}=~s/\n+$//gs;
11813:
11814: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
11815: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
11816: {
11817: my $datafile = $r->dir_config('lonDaemons').
11818: '/tmp/'.$datatoken.'.tmp';
11819: if ( open(my $fh,">$datafile") ) {
11820: print $fh $env{'form.upfile'};
11821: close($fh);
11822: }
11823: }
11824: return $datatoken;
11825: }
11826:
11827: =pod
11828:
11829: =item * &load_tmp_file($r)
11830:
11831: Load uploaded file from tmp, $r should be the HTTP Request object,
11832: needs $env{'form.datatoken'},
11833: sets $env{'form.upfile'} to the contents of the file
11834:
11835: =cut
11836:
11837: sub load_tmp_file {
11838: my $r=shift;
11839: my @studentdata=();
11840: {
11841: my $studentfile = $r->dir_config('lonDaemons').
11842: '/tmp/'.$env{'form.datatoken'}.'.tmp';
11843: if ( open(my $fh,"<$studentfile") ) {
11844: @studentdata=<$fh>;
11845: close($fh);
11846: }
11847: }
11848: $env{'form.upfile'}=join('',@studentdata);
11849: }
11850:
11851: =pod
11852:
11853: =item * &upfile_record_sep()
11854:
11855: Separate uploaded file into records
11856: returns array of records,
11857: needs $env{'form.upfile'} and $env{'form.upfiletype'}
11858:
11859: =cut
11860:
11861: sub upfile_record_sep {
11862: if ($env{'form.upfiletype'} eq 'xml') {
11863: } else {
11864: my @records;
11865: foreach my $line (split(/\n/,$env{'form.upfile'})) {
11866: if ($line=~/^\s*$/) { next; }
11867: push(@records,$line);
11868: }
11869: return @records;
11870: }
11871: }
11872:
11873: =pod
11874:
11875: =item * &record_sep($record)
11876:
11877: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
11878:
11879: =cut
11880:
11881: sub takeleft {
11882: my $index=shift;
11883: return substr('0000'.$index,-4,4);
11884: }
11885:
11886: sub record_sep {
11887: my $record=shift;
11888: my %components=();
11889: if ($env{'form.upfiletype'} eq 'xml') {
11890: } elsif ($env{'form.upfiletype'} eq 'space') {
11891: my $i=0;
11892: foreach my $field (split(/\s+/,$record)) {
11893: $field=~s/^(\"|\')//;
11894: $field=~s/(\"|\')$//;
11895: $components{&takeleft($i)}=$field;
11896: $i++;
11897: }
11898: } elsif ($env{'form.upfiletype'} eq 'tab') {
11899: my $i=0;
11900: foreach my $field (split(/\t/,$record)) {
11901: $field=~s/^(\"|\')//;
11902: $field=~s/(\"|\')$//;
11903: $components{&takeleft($i)}=$field;
11904: $i++;
11905: }
11906: } else {
11907: my $separator=',';
11908: if ($env{'form.upfiletype'} eq 'semisv') {
11909: $separator=';';
11910: }
11911: my $i=0;
11912: # the character we are looking for to indicate the end of a quote or a record
11913: my $looking_for=$separator;
11914: # do not add the characters to the fields
11915: my $ignore=0;
11916: # we just encountered a separator (or the beginning of the record)
11917: my $just_found_separator=1;
11918: # store the field we are working on here
11919: my $field='';
11920: # work our way through all characters in record
11921: foreach my $character ($record=~/(.)/g) {
11922: if ($character eq $looking_for) {
11923: if ($character ne $separator) {
11924: # Found the end of a quote, again looking for separator
11925: $looking_for=$separator;
11926: $ignore=1;
11927: } else {
11928: # Found a separator, store away what we got
11929: $components{&takeleft($i)}=$field;
11930: $i++;
11931: $just_found_separator=1;
11932: $ignore=0;
11933: $field='';
11934: }
11935: next;
11936: }
11937: # single or double quotation marks after a separator indicate beginning of a quote
11938: # we are now looking for the end of the quote and need to ignore separators
11939: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
11940: $looking_for=$character;
11941: next;
11942: }
11943: # ignore would be true after we reached the end of a quote
11944: if ($ignore) { next; }
11945: if (($just_found_separator) && ($character=~/\s/)) { next; }
11946: $field.=$character;
11947: $just_found_separator=0;
11948: }
11949: # catch the very last entry, since we never encountered the separator
11950: $components{&takeleft($i)}=$field;
11951: }
11952: return %components;
11953: }
11954:
11955: ######################################################
11956: ######################################################
11957:
11958: =pod
11959:
11960: =item * &upfile_select_html()
11961:
11962: Return HTML code to select a file from the users machine and specify
11963: the file type.
11964:
11965: =cut
11966:
11967: ######################################################
11968: ######################################################
11969: sub upfile_select_html {
11970: my %Types = (
11971: csv => &mt('CSV (comma separated values, spreadsheet)'),
11972: semisv => &mt('Semicolon separated values'),
11973: space => &mt('Space separated'),
11974: tab => &mt('Tabulator separated'),
11975: # xml => &mt('HTML/XML'),
11976: );
11977: my $Str = '<input type="file" name="upfile" size="50" />'.
11978: '<br />'.&mt('Type').': <select name="upfiletype">';
11979: foreach my $type (sort(keys(%Types))) {
11980: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
11981: }
11982: $Str .= "</select>\n";
11983: return $Str;
11984: }
11985:
11986: sub get_samples {
11987: my ($records,$toget) = @_;
11988: my @samples=({});
11989: my $got=0;
11990: foreach my $rec (@$records) {
11991: my %temp = &record_sep($rec);
11992: if (! grep(/\S/, values(%temp))) { next; }
11993: if (%temp) {
11994: $samples[$got]=\%temp;
11995: $got++;
11996: if ($got == $toget) { last; }
11997: }
11998: }
11999: return \@samples;
12000: }
12001:
12002: ######################################################
12003: ######################################################
12004:
12005: =pod
12006:
12007: =item * &csv_print_samples($r,$records)
12008:
12009: Prints a table of sample values from each column uploaded $r is an
12010: Apache Request ref, $records is an arrayref from
12011: &Apache::loncommon::upfile_record_sep
12012:
12013: =cut
12014:
12015: ######################################################
12016: ######################################################
12017: sub csv_print_samples {
12018: my ($r,$records) = @_;
12019: my $samples = &get_samples($records,5);
12020:
12021: $r->print(&mt('Samples').'<br />'.&start_data_table().
12022: &start_data_table_header_row());
12023: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
12024: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
12025: $r->print(&end_data_table_header_row());
12026: foreach my $hash (@$samples) {
12027: $r->print(&start_data_table_row());
12028: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
12029: $r->print('<td>');
12030: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
12031: $r->print('</td>');
12032: }
12033: $r->print(&end_data_table_row());
12034: }
12035: $r->print(&end_data_table().'<br />'."\n");
12036: }
12037:
12038: ######################################################
12039: ######################################################
12040:
12041: =pod
12042:
12043: =item * &csv_print_select_table($r,$records,$d)
12044:
12045: Prints a table to create associations between values and table columns.
12046:
12047: $r is an Apache Request ref,
12048: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
12049: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
12050:
12051: =cut
12052:
12053: ######################################################
12054: ######################################################
12055: sub csv_print_select_table {
12056: my ($r,$records,$d) = @_;
12057: my $i=0;
12058: my $samples = &get_samples($records,1);
12059: $r->print(&mt('Associate columns with student attributes.')."\n".
12060: &start_data_table().&start_data_table_header_row().
12061: '<th>'.&mt('Attribute').'</th>'.
12062: '<th>'.&mt('Column').'</th>'.
12063: &end_data_table_header_row()."\n");
12064: foreach my $array_ref (@$d) {
12065: my ($value,$display,$defaultcol)=@{ $array_ref };
12066: $r->print(&start_data_table_row().'<td>'.$display.'</td>');
12067:
12068: $r->print('<td><select name="f'.$i.'"'.
12069: ' onchange="javascript:flip(this.form,'.$i.');">');
12070: $r->print('<option value="none"></option>');
12071: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
12072: $r->print('<option value="'.$sample.'"'.
12073: ($sample eq $defaultcol ? ' selected="selected" ' : '').
12074: '>'.&mt('Column [_1]',($sample+1)).'</option>');
12075: }
12076: $r->print('</select></td>'.&end_data_table_row()."\n");
12077: $i++;
12078: }
12079: $r->print(&end_data_table());
12080: $i--;
12081: return $i;
12082: }
12083:
12084: ######################################################
12085: ######################################################
12086:
12087: =pod
12088:
12089: =item * &csv_samples_select_table($r,$records,$d)
12090:
12091: Prints a table of sample values from the upload and can make associate samples to internal names.
12092:
12093: $r is an Apache Request ref,
12094: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
12095: $d is an array of 2 element arrays (internal name, displayed name)
12096:
12097: =cut
12098:
12099: ######################################################
12100: ######################################################
12101: sub csv_samples_select_table {
12102: my ($r,$records,$d) = @_;
12103: my $i=0;
12104: #
12105: my $max_samples = 5;
12106: my $samples = &get_samples($records,$max_samples);
12107: $r->print(&start_data_table().
12108: &start_data_table_header_row().'<th>'.
12109: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
12110: &end_data_table_header_row());
12111:
12112: foreach my $key (sort(keys(%{ $samples->[0] }))) {
12113: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
12114: ' onchange="javascript:flip(this.form,'.$i.');">');
12115: foreach my $option (@$d) {
12116: my ($value,$display,$defaultcol)=@{ $option };
12117: $r->print('<option value="'.$value.'"'.
12118: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
12119: $display.'</option>');
12120: }
12121: $r->print('</select></td><td>');
12122: foreach my $line (0..($max_samples-1)) {
12123: if (defined($samples->[$line]{$key})) {
12124: $r->print($samples->[$line]{$key}."<br />\n");
12125: }
12126: }
12127: $r->print('</td>'.&end_data_table_row());
12128: $i++;
12129: }
12130: $r->print(&end_data_table());
12131: $i--;
12132: return($i);
12133: }
12134:
12135: ######################################################
12136: ######################################################
12137:
12138: =pod
12139:
12140: =item * &clean_excel_name($name)
12141:
12142: Returns a replacement for $name which does not contain any illegal characters.
12143:
12144: =cut
12145:
12146: ######################################################
12147: ######################################################
12148: sub clean_excel_name {
12149: my ($name) = @_;
12150: $name =~ s/[:\*\?\/\\]//g;
12151: if (length($name) > 31) {
12152: $name = substr($name,0,31);
12153: }
12154: return $name;
12155: }
12156:
12157: =pod
12158:
12159: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
12160:
12161: Returns either 1 or undef
12162:
12163: 1 if the part is to be hidden, undef if it is to be shown
12164:
12165: Arguments are:
12166:
12167: $id the id of the part to be checked
12168: $symb, optional the symb of the resource to check
12169: $udom, optional the domain of the user to check for
12170: $uname, optional the username of the user to check for
12171:
12172: =cut
12173:
12174: sub check_if_partid_hidden {
12175: my ($id,$symb,$udom,$uname) = @_;
12176: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
12177: $symb,$udom,$uname);
12178: my $truth=1;
12179: #if the string starts with !, then the list is the list to show not hide
12180: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
12181: my @hiddenlist=split(/,/,$hiddenparts);
12182: foreach my $checkid (@hiddenlist) {
12183: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
12184: }
12185: return !$truth;
12186: }
12187:
12188:
12189: ############################################################
12190: ############################################################
12191:
12192: =pod
12193:
12194: =back
12195:
12196: =head1 cgi-bin script and graphing routines
12197:
12198: =over 4
12199:
12200: =item * &get_cgi_id()
12201:
12202: Inputs: none
12203:
12204: Returns an id which can be used to pass environment variables
12205: to various cgi-bin scripts. These environment variables will
12206: be removed from the users environment after a given time by
12207: the routine &Apache::lonnet::transfer_profile_to_env.
12208:
12209: =cut
12210:
12211: ############################################################
12212: ############################################################
12213: my $uniq=0;
12214: sub get_cgi_id {
12215: $uniq=($uniq+1)%100000;
12216: return (time.'_'.$$.'_'.$uniq);
12217: }
12218:
12219: ############################################################
12220: ############################################################
12221:
12222: =pod
12223:
12224: =item * &DrawBarGraph()
12225:
12226: Facilitates the plotting of data in a (stacked) bar graph.
12227: Puts plot definition data into the users environment in order for
12228: graph.png to plot it. Returns an <img> tag for the plot.
12229: The bars on the plot are labeled '1','2',...,'n'.
12230:
12231: Inputs:
12232:
12233: =over 4
12234:
12235: =item $Title: string, the title of the plot
12236:
12237: =item $xlabel: string, text describing the X-axis of the plot
12238:
12239: =item $ylabel: string, text describing the Y-axis of the plot
12240:
12241: =item $Max: scalar, the maximum Y value to use in the plot
12242: If $Max is < any data point, the graph will not be rendered.
12243:
12244: =item $colors: array ref holding the colors to be used for the data sets when
12245: they are plotted. If undefined, default values will be used.
12246:
12247: =item $labels: array ref holding the labels to use on the x-axis for the bars.
12248:
12249: =item @Values: An array of array references. Each array reference holds data
12250: to be plotted in a stacked bar chart.
12251:
12252: =item If the final element of @Values is a hash reference the key/value
12253: pairs will be added to the graph definition.
12254:
12255: =back
12256:
12257: Returns:
12258:
12259: An <img> tag which references graph.png and the appropriate identifying
12260: information for the plot.
12261:
12262: =cut
12263:
12264: ############################################################
12265: ############################################################
12266: sub DrawBarGraph {
12267: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
12268: #
12269: if (! defined($colors)) {
12270: $colors = ['#33ff00',
12271: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
12272: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
12273: ];
12274: }
12275: my $extra_settings = {};
12276: if (ref($Values[-1]) eq 'HASH') {
12277: $extra_settings = pop(@Values);
12278: }
12279: #
12280: my $identifier = &get_cgi_id();
12281: my $id = 'cgi.'.$identifier;
12282: if (! @Values || ref($Values[0]) ne 'ARRAY') {
12283: return '';
12284: }
12285: #
12286: my @Labels;
12287: if (defined($labels)) {
12288: @Labels = @$labels;
12289: } else {
12290: for (my $i=0;$i<@{$Values[0]};$i++) {
12291: push (@Labels,$i+1);
12292: }
12293: }
12294: #
12295: my $NumBars = scalar(@{$Values[0]});
12296: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
12297: my %ValuesHash;
12298: my $NumSets=1;
12299: foreach my $array (@Values) {
12300: next if (! ref($array));
12301: $ValuesHash{$id.'.data.'.$NumSets++} =
12302: join(',',@$array);
12303: }
12304: #
12305: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
12306: if ($NumBars < 3) {
12307: $width = 120+$NumBars*32;
12308: $xskip = 1;
12309: $bar_width = 30;
12310: } elsif ($NumBars < 5) {
12311: $width = 120+$NumBars*20;
12312: $xskip = 1;
12313: $bar_width = 20;
12314: } elsif ($NumBars < 10) {
12315: $width = 120+$NumBars*15;
12316: $xskip = 1;
12317: $bar_width = 15;
12318: } elsif ($NumBars <= 25) {
12319: $width = 120+$NumBars*11;
12320: $xskip = 5;
12321: $bar_width = 8;
12322: } elsif ($NumBars <= 50) {
12323: $width = 120+$NumBars*8;
12324: $xskip = 5;
12325: $bar_width = 4;
12326: } else {
12327: $width = 120+$NumBars*8;
12328: $xskip = 5;
12329: $bar_width = 4;
12330: }
12331: #
12332: $Max = 1 if ($Max < 1);
12333: if ( int($Max) < $Max ) {
12334: $Max++;
12335: $Max = int($Max);
12336: }
12337: $Title = '' if (! defined($Title));
12338: $xlabel = '' if (! defined($xlabel));
12339: $ylabel = '' if (! defined($ylabel));
12340: $ValuesHash{$id.'.title'} = &escape($Title);
12341: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
12342: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
12343: $ValuesHash{$id.'.y_max_value'} = $Max;
12344: $ValuesHash{$id.'.NumBars'} = $NumBars;
12345: $ValuesHash{$id.'.NumSets'} = $NumSets;
12346: $ValuesHash{$id.'.PlotType'} = 'bar';
12347: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
12348: $ValuesHash{$id.'.height'} = $height;
12349: $ValuesHash{$id.'.width'} = $width;
12350: $ValuesHash{$id.'.xskip'} = $xskip;
12351: $ValuesHash{$id.'.bar_width'} = $bar_width;
12352: $ValuesHash{$id.'.labels'} = join(',',@Labels);
12353: #
12354: # Deal with other parameters
12355: while (my ($key,$value) = each(%$extra_settings)) {
12356: $ValuesHash{$id.'.'.$key} = $value;
12357: }
12358: #
12359: &Apache::lonnet::appenv(\%ValuesHash);
12360: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
12361: }
12362:
12363: ############################################################
12364: ############################################################
12365:
12366: =pod
12367:
12368: =item * &DrawXYGraph()
12369:
12370: Facilitates the plotting of data in an XY graph.
12371: Puts plot definition data into the users environment in order for
12372: graph.png to plot it. Returns an <img> tag for the plot.
12373:
12374: Inputs:
12375:
12376: =over 4
12377:
12378: =item $Title: string, the title of the plot
12379:
12380: =item $xlabel: string, text describing the X-axis of the plot
12381:
12382: =item $ylabel: string, text describing the Y-axis of the plot
12383:
12384: =item $Max: scalar, the maximum Y value to use in the plot
12385: If $Max is < any data point, the graph will not be rendered.
12386:
12387: =item $colors: Array ref containing the hex color codes for the data to be
12388: plotted in. If undefined, default values will be used.
12389:
12390: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
12391:
12392: =item $Ydata: Array ref containing Array refs.
12393: Each of the contained arrays will be plotted as a separate curve.
12394:
12395: =item %Values: hash indicating or overriding any default values which are
12396: passed to graph.png.
12397: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
12398:
12399: =back
12400:
12401: Returns:
12402:
12403: An <img> tag which references graph.png and the appropriate identifying
12404: information for the plot.
12405:
12406: =cut
12407:
12408: ############################################################
12409: ############################################################
12410: sub DrawXYGraph {
12411: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
12412: #
12413: # Create the identifier for the graph
12414: my $identifier = &get_cgi_id();
12415: my $id = 'cgi.'.$identifier;
12416: #
12417: $Title = '' if (! defined($Title));
12418: $xlabel = '' if (! defined($xlabel));
12419: $ylabel = '' if (! defined($ylabel));
12420: my %ValuesHash =
12421: (
12422: $id.'.title' => &escape($Title),
12423: $id.'.xlabel' => &escape($xlabel),
12424: $id.'.ylabel' => &escape($ylabel),
12425: $id.'.y_max_value'=> $Max,
12426: $id.'.labels' => join(',',@$Xlabels),
12427: $id.'.PlotType' => 'XY',
12428: );
12429: #
12430: if (defined($colors) && ref($colors) eq 'ARRAY') {
12431: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
12432: }
12433: #
12434: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
12435: return '';
12436: }
12437: my $NumSets=1;
12438: foreach my $array (@{$Ydata}){
12439: next if (! ref($array));
12440: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
12441: }
12442: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
12443: #
12444: # Deal with other parameters
12445: while (my ($key,$value) = each(%Values)) {
12446: $ValuesHash{$id.'.'.$key} = $value;
12447: }
12448: #
12449: &Apache::lonnet::appenv(\%ValuesHash);
12450: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
12451: }
12452:
12453: ############################################################
12454: ############################################################
12455:
12456: =pod
12457:
12458: =item * &DrawXYYGraph()
12459:
12460: Facilitates the plotting of data in an XY graph with two Y axes.
12461: Puts plot definition data into the users environment in order for
12462: graph.png to plot it. Returns an <img> tag for the plot.
12463:
12464: Inputs:
12465:
12466: =over 4
12467:
12468: =item $Title: string, the title of the plot
12469:
12470: =item $xlabel: string, text describing the X-axis of the plot
12471:
12472: =item $ylabel: string, text describing the Y-axis of the plot
12473:
12474: =item $colors: Array ref containing the hex color codes for the data to be
12475: plotted in. If undefined, default values will be used.
12476:
12477: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
12478:
12479: =item $Ydata1: The first data set
12480:
12481: =item $Min1: The minimum value of the left Y-axis
12482:
12483: =item $Max1: The maximum value of the left Y-axis
12484:
12485: =item $Ydata2: The second data set
12486:
12487: =item $Min2: The minimum value of the right Y-axis
12488:
12489: =item $Max2: The maximum value of the left Y-axis
12490:
12491: =item %Values: hash indicating or overriding any default values which are
12492: passed to graph.png.
12493: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
12494:
12495: =back
12496:
12497: Returns:
12498:
12499: An <img> tag which references graph.png and the appropriate identifying
12500: information for the plot.
12501:
12502: =cut
12503:
12504: ############################################################
12505: ############################################################
12506: sub DrawXYYGraph {
12507: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
12508: $Ydata2,$Min2,$Max2,%Values)=@_;
12509: #
12510: # Create the identifier for the graph
12511: my $identifier = &get_cgi_id();
12512: my $id = 'cgi.'.$identifier;
12513: #
12514: $Title = '' if (! defined($Title));
12515: $xlabel = '' if (! defined($xlabel));
12516: $ylabel = '' if (! defined($ylabel));
12517: my %ValuesHash =
12518: (
12519: $id.'.title' => &escape($Title),
12520: $id.'.xlabel' => &escape($xlabel),
12521: $id.'.ylabel' => &escape($ylabel),
12522: $id.'.labels' => join(',',@$Xlabels),
12523: $id.'.PlotType' => 'XY',
12524: $id.'.NumSets' => 2,
12525: $id.'.two_axes' => 1,
12526: $id.'.y1_max_value' => $Max1,
12527: $id.'.y1_min_value' => $Min1,
12528: $id.'.y2_max_value' => $Max2,
12529: $id.'.y2_min_value' => $Min2,
12530: );
12531: #
12532: if (defined($colors) && ref($colors) eq 'ARRAY') {
12533: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
12534: }
12535: #
12536: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
12537: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
12538: return '';
12539: }
12540: my $NumSets=1;
12541: foreach my $array ($Ydata1,$Ydata2){
12542: next if (! ref($array));
12543: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
12544: }
12545: #
12546: # Deal with other parameters
12547: while (my ($key,$value) = each(%Values)) {
12548: $ValuesHash{$id.'.'.$key} = $value;
12549: }
12550: #
12551: &Apache::lonnet::appenv(\%ValuesHash);
12552: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
12553: }
12554:
12555: ############################################################
12556: ############################################################
12557:
12558: =pod
12559:
12560: =back
12561:
12562: =head1 Statistics helper routines?
12563:
12564: Bad place for them but what the hell.
12565:
12566: =over 4
12567:
12568: =item * &chartlink()
12569:
12570: Returns a link to the chart for a specific student.
12571:
12572: Inputs:
12573:
12574: =over 4
12575:
12576: =item $linktext: The text of the link
12577:
12578: =item $sname: The students username
12579:
12580: =item $sdomain: The students domain
12581:
12582: =back
12583:
12584: =back
12585:
12586: =cut
12587:
12588: ############################################################
12589: ############################################################
12590: sub chartlink {
12591: my ($linktext, $sname, $sdomain) = @_;
12592: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
12593: '&SelectedStudent='.&escape($sname.':'.$sdomain).
12594: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
12595: '">'.$linktext.'</a>';
12596: }
12597:
12598: #######################################################
12599: #######################################################
12600:
12601: =pod
12602:
12603: =head1 Course Environment Routines
12604:
12605: =over 4
12606:
12607: =item * &restore_course_settings()
12608:
12609: =item * &store_course_settings()
12610:
12611: Restores/Store indicated form parameters from the course environment.
12612: Will not overwrite existing values of the form parameters.
12613:
12614: Inputs:
12615: a scalar describing the data (e.g. 'chart', 'problem_analysis')
12616:
12617: a hash ref describing the data to be stored. For example:
12618:
12619: %Save_Parameters = ('Status' => 'scalar',
12620: 'chartoutputmode' => 'scalar',
12621: 'chartoutputdata' => 'scalar',
12622: 'Section' => 'array',
12623: 'Group' => 'array',
12624: 'StudentData' => 'array',
12625: 'Maps' => 'array');
12626:
12627: Returns: both routines return nothing
12628:
12629: =back
12630:
12631: =cut
12632:
12633: #######################################################
12634: #######################################################
12635: sub store_course_settings {
12636: return &store_settings($env{'request.course.id'},@_);
12637: }
12638:
12639: sub store_settings {
12640: # save to the environment
12641: # appenv the same items, just to be safe
12642: my $udom = $env{'user.domain'};
12643: my $uname = $env{'user.name'};
12644: my ($context,$prefix,$Settings) = @_;
12645: my %SaveHash;
12646: my %AppHash;
12647: while (my ($setting,$type) = each(%$Settings)) {
12648: my $basename = join('.','internal',$context,$prefix,$setting);
12649: my $envname = 'environment.'.$basename;
12650: if (exists($env{'form.'.$setting})) {
12651: # Save this value away
12652: if ($type eq 'scalar' &&
12653: (! exists($env{$envname}) ||
12654: $env{$envname} ne $env{'form.'.$setting})) {
12655: $SaveHash{$basename} = $env{'form.'.$setting};
12656: $AppHash{$envname} = $env{'form.'.$setting};
12657: } elsif ($type eq 'array') {
12658: my $stored_form;
12659: if (ref($env{'form.'.$setting})) {
12660: $stored_form = join(',',
12661: map {
12662: &escape($_);
12663: } sort(@{$env{'form.'.$setting}}));
12664: } else {
12665: $stored_form =
12666: &escape($env{'form.'.$setting});
12667: }
12668: # Determine if the array contents are the same.
12669: if ($stored_form ne $env{$envname}) {
12670: $SaveHash{$basename} = $stored_form;
12671: $AppHash{$envname} = $stored_form;
12672: }
12673: }
12674: }
12675: }
12676: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
12677: $udom,$uname);
12678: if ($put_result !~ /^(ok|delayed)/) {
12679: &Apache::lonnet::logthis('unable to save form parameters, '.
12680: 'got error:'.$put_result);
12681: }
12682: # Make sure these settings stick around in this session, too
12683: &Apache::lonnet::appenv(\%AppHash);
12684: return;
12685: }
12686:
12687: sub restore_course_settings {
12688: return &restore_settings($env{'request.course.id'},@_);
12689: }
12690:
12691: sub restore_settings {
12692: my ($context,$prefix,$Settings) = @_;
12693: while (my ($setting,$type) = each(%$Settings)) {
12694: next if (exists($env{'form.'.$setting}));
12695: my $envname = 'environment.internal.'.$context.'.'.$prefix.
12696: '.'.$setting;
12697: if (exists($env{$envname})) {
12698: if ($type eq 'scalar') {
12699: $env{'form.'.$setting} = $env{$envname};
12700: } elsif ($type eq 'array') {
12701: $env{'form.'.$setting} = [
12702: map {
12703: &unescape($_);
12704: } split(',',$env{$envname})
12705: ];
12706: }
12707: }
12708: }
12709: }
12710:
12711: #######################################################
12712: #######################################################
12713:
12714: =pod
12715:
12716: =head1 Domain E-mail Routines
12717:
12718: =over 4
12719:
12720: =item * &build_recipient_list()
12721:
12722: Build recipient lists for five types of e-mail:
12723: (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
12724: (d) Help requests, (e) Course requests needing approval, generated by
12725: lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
12726: loncoursequeueadmin.pm respectively.
12727:
12728: Inputs:
12729: defmail (scalar - email address of default recipient),
12730: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
12731: defdom (domain for which to retrieve configuration settings),
12732: origmail (scalar - email address of recipient from loncapa.conf,
12733: i.e., predates configuration by DC via domainprefs.pm
12734:
12735: Returns: comma separated list of addresses to which to send e-mail.
12736:
12737: =back
12738:
12739: =cut
12740:
12741: ############################################################
12742: ############################################################
12743: sub build_recipient_list {
12744: my ($defmail,$mailing,$defdom,$origmail) = @_;
12745: my @recipients;
12746: my $otheremails;
12747: my %domconfig =
12748: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
12749: if (ref($domconfig{'contacts'}) eq 'HASH') {
12750: if (exists($domconfig{'contacts'}{$mailing})) {
12751: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
12752: my @contacts = ('adminemail','supportemail');
12753: foreach my $item (@contacts) {
12754: if ($domconfig{'contacts'}{$mailing}{$item}) {
12755: my $addr = $domconfig{'contacts'}{$item};
12756: if (!grep(/^\Q$addr\E$/,@recipients)) {
12757: push(@recipients,$addr);
12758: }
12759: }
12760: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
12761: }
12762: }
12763: } elsif ($origmail ne '') {
12764: push(@recipients,$origmail);
12765: }
12766: } elsif ($origmail ne '') {
12767: push(@recipients,$origmail);
12768: }
12769: if (defined($defmail)) {
12770: if ($defmail ne '') {
12771: push(@recipients,$defmail);
12772: }
12773: }
12774: if ($otheremails) {
12775: my @others;
12776: if ($otheremails =~ /,/) {
12777: @others = split(/,/,$otheremails);
12778: } else {
12779: push(@others,$otheremails);
12780: }
12781: foreach my $addr (@others) {
12782: if (!grep(/^\Q$addr\E$/,@recipients)) {
12783: push(@recipients,$addr);
12784: }
12785: }
12786: }
12787: my $recipientlist = join(',',@recipients);
12788: return $recipientlist;
12789: }
12790:
12791: ############################################################
12792: ############################################################
12793:
12794: =pod
12795:
12796: =head1 Course Catalog Routines
12797:
12798: =over 4
12799:
12800: =item * &gather_categories()
12801:
12802: Converts category definitions - keys of categories hash stored in
12803: coursecategories in configuration.db on the primary library server in a
12804: domain - to an array. Also generates javascript and idx hash used to
12805: generate Domain Coordinator interface for editing Course Categories.
12806:
12807: Inputs:
12808:
12809: categories (reference to hash of category definitions).
12810:
12811: cats (reference to array of arrays/hashes which encapsulates hierarchy of
12812: categories and subcategories).
12813:
12814: idx (reference to hash of counters used in Domain Coordinator interface for
12815: editing Course Categories).
12816:
12817: jsarray (reference to array of categories used to create Javascript arrays for
12818: Domain Coordinator interface for editing Course Categories).
12819:
12820: Returns: nothing
12821:
12822: Side effects: populates cats, idx and jsarray.
12823:
12824: =cut
12825:
12826: sub gather_categories {
12827: my ($categories,$cats,$idx,$jsarray) = @_;
12828: my %counters;
12829: my $num = 0;
12830: foreach my $item (keys(%{$categories})) {
12831: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
12832: if ($container eq '' && $depth == 0) {
12833: $cats->[$depth][$categories->{$item}] = $cat;
12834: } else {
12835: $cats->[$depth]{$container}[$categories->{$item}] = $cat;
12836: }
12837: my ($escitem,$tail) = split(/:/,$item,2);
12838: if ($counters{$tail} eq '') {
12839: $counters{$tail} = $num;
12840: $num ++;
12841: }
12842: if (ref($idx) eq 'HASH') {
12843: $idx->{$item} = $counters{$tail};
12844: }
12845: if (ref($jsarray) eq 'ARRAY') {
12846: push(@{$jsarray->[$counters{$tail}]},$item);
12847: }
12848: }
12849: return;
12850: }
12851:
12852: =pod
12853:
12854: =item * &extract_categories()
12855:
12856: Used to generate breadcrumb trails for course categories.
12857:
12858: Inputs:
12859:
12860: categories (reference to hash of category definitions).
12861:
12862: cats (reference to array of arrays/hashes which encapsulates hierarchy of
12863: categories and subcategories).
12864:
12865: trails (reference to array of breacrumb trails for each category).
12866:
12867: allitems (reference to hash - key is category key
12868: (format: escaped(name):escaped(parent category):depth in hierarchy).
12869:
12870: idx (reference to hash of counters used in Domain Coordinator interface for
12871: editing Course Categories).
12872:
12873: jsarray (reference to array of categories used to create Javascript arrays for
12874: Domain Coordinator interface for editing Course Categories).
12875:
12876: subcats (reference to hash of arrays containing all subcategories within each
12877: category, -recursive)
12878:
12879: Returns: nothing
12880:
12881: Side effects: populates trails and allitems hash references.
12882:
12883: =cut
12884:
12885: sub extract_categories {
12886: my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
12887: if (ref($categories) eq 'HASH') {
12888: &gather_categories($categories,$cats,$idx,$jsarray);
12889: if (ref($cats->[0]) eq 'ARRAY') {
12890: for (my $i=0; $i<@{$cats->[0]}; $i++) {
12891: my $name = $cats->[0][$i];
12892: my $item = &escape($name).'::0';
12893: my $trailstr;
12894: if ($name eq 'instcode') {
12895: $trailstr = &mt('Official courses (with institutional codes)');
12896: } elsif ($name eq 'communities') {
12897: $trailstr = &mt('Communities');
12898: } else {
12899: $trailstr = $name;
12900: }
12901: if ($allitems->{$item} eq '') {
12902: push(@{$trails},$trailstr);
12903: $allitems->{$item} = scalar(@{$trails})-1;
12904: }
12905: my @parents = ($name);
12906: if (ref($cats->[1]{$name}) eq 'ARRAY') {
12907: for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
12908: my $category = $cats->[1]{$name}[$j];
12909: if (ref($subcats) eq 'HASH') {
12910: push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
12911: }
12912: &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
12913: }
12914: } else {
12915: if (ref($subcats) eq 'HASH') {
12916: $subcats->{$item} = [];
12917: }
12918: }
12919: }
12920: }
12921: }
12922: return;
12923: }
12924:
12925: =pod
12926:
12927: =item *&recurse_categories()
12928:
12929: Recursively used to generate breadcrumb trails for course categories.
12930:
12931: Inputs:
12932:
12933: cats (reference to array of arrays/hashes which encapsulates hierarchy of
12934: categories and subcategories).
12935:
12936: depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
12937:
12938: category (current course category, for which breadcrumb trail is being generated).
12939:
12940: trails (reference to array of breadcrumb trails for each category).
12941:
12942: allitems (reference to hash - key is category key
12943: (format: escaped(name):escaped(parent category):depth in hierarchy).
12944:
12945: parents (array containing containers directories for current category,
12946: back to top level).
12947:
12948: Returns: nothing
12949:
12950: Side effects: populates trails and allitems hash references
12951:
12952: =cut
12953:
12954: sub recurse_categories {
12955: my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
12956: my $shallower = $depth - 1;
12957: if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
12958: for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
12959: my $name = $cats->[$depth]{$category}[$k];
12960: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
12961: my $trailstr = join(' -> ',(@{$parents},$category));
12962: if ($allitems->{$item} eq '') {
12963: push(@{$trails},$trailstr);
12964: $allitems->{$item} = scalar(@{$trails})-1;
12965: }
12966: my $deeper = $depth+1;
12967: push(@{$parents},$category);
12968: if (ref($subcats) eq 'HASH') {
12969: my $subcat = &escape($name).':'.$category.':'.$depth;
12970: for (my $j=@{$parents}; $j>=0; $j--) {
12971: my $higher;
12972: if ($j > 0) {
12973: $higher = &escape($parents->[$j]).':'.
12974: &escape($parents->[$j-1]).':'.$j;
12975: } else {
12976: $higher = &escape($parents->[$j]).'::'.$j;
12977: }
12978: push(@{$subcats->{$higher}},$subcat);
12979: }
12980: }
12981: &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
12982: $subcats);
12983: pop(@{$parents});
12984: }
12985: } else {
12986: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
12987: my $trailstr = join(' -> ',(@{$parents},$category));
12988: if ($allitems->{$item} eq '') {
12989: push(@{$trails},$trailstr);
12990: $allitems->{$item} = scalar(@{$trails})-1;
12991: }
12992: }
12993: return;
12994: }
12995:
12996: =pod
12997:
12998: =item *&assign_categories_table()
12999:
13000: Create a datatable for display of hierarchical categories in a domain,
13001: with checkboxes to allow a course to be categorized.
13002:
13003: Inputs:
13004:
13005: cathash - reference to hash of categories defined for the domain (from
13006: configuration.db)
13007:
13008: currcat - scalar with an & separated list of categories assigned to a course.
13009:
13010: type - scalar contains course type (Course or Community).
13011:
13012: Returns: $output (markup to be displayed)
13013:
13014: =cut
13015:
13016: sub assign_categories_table {
13017: my ($cathash,$currcat,$type) = @_;
13018: my $output;
13019: if (ref($cathash) eq 'HASH') {
13020: my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
13021: &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
13022: $maxdepth = scalar(@cats);
13023: if (@cats > 0) {
13024: my $itemcount = 0;
13025: if (ref($cats[0]) eq 'ARRAY') {
13026: my @currcategories;
13027: if ($currcat ne '') {
13028: @currcategories = split('&',$currcat);
13029: }
13030: my $table;
13031: for (my $i=0; $i<@{$cats[0]}; $i++) {
13032: my $parent = $cats[0][$i];
13033: next if ($parent eq 'instcode');
13034: if ($type eq 'Community') {
13035: next unless ($parent eq 'communities');
13036: } else {
13037: next if ($parent eq 'communities');
13038: }
13039: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
13040: my $item = &escape($parent).'::0';
13041: my $checked = '';
13042: if (@currcategories > 0) {
13043: if (grep(/^\Q$item\E$/,@currcategories)) {
13044: $checked = ' checked="checked"';
13045: }
13046: }
13047: my $parent_title = $parent;
13048: if ($parent eq 'communities') {
13049: $parent_title = &mt('Communities');
13050: }
13051: $table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
13052: '<input type="checkbox" name="usecategory" value="'.
13053: $item.'"'.$checked.' />'.$parent_title.'</span>'.
13054: '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
13055: my $depth = 1;
13056: push(@path,$parent);
13057: $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
13058: pop(@path);
13059: $table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
13060: $itemcount ++;
13061: }
13062: if ($itemcount) {
13063: $output = &Apache::loncommon::start_data_table().
13064: $table.
13065: &Apache::loncommon::end_data_table();
13066: }
13067: }
13068: }
13069: }
13070: return $output;
13071: }
13072:
13073: =pod
13074:
13075: =item *&assign_category_rows()
13076:
13077: Create a datatable row for display of nested categories in a domain,
13078: with checkboxes to allow a course to be categorized,called recursively.
13079:
13080: Inputs:
13081:
13082: itemcount - track row number for alternating colors
13083:
13084: cats - reference to array of arrays/hashes which encapsulates hierarchy of
13085: categories and subcategories.
13086:
13087: depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
13088:
13089: parent - parent of current category item
13090:
13091: path - Array containing all categories back up through the hierarchy from the
13092: current category to the top level.
13093:
13094: currcategories - reference to array of current categories assigned to the course
13095:
13096: Returns: $output (markup to be displayed).
13097:
13098: =cut
13099:
13100: sub assign_category_rows {
13101: my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
13102: my ($text,$name,$item,$chgstr);
13103: if (ref($cats) eq 'ARRAY') {
13104: my $maxdepth = scalar(@{$cats});
13105: if (ref($cats->[$depth]) eq 'HASH') {
13106: if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
13107: my $numchildren = @{$cats->[$depth]{$parent}};
13108: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
13109: $text .= '<td><table class="LC_datatable">';
13110: for (my $j=0; $j<$numchildren; $j++) {
13111: $name = $cats->[$depth]{$parent}[$j];
13112: $item = &escape($name).':'.&escape($parent).':'.$depth;
13113: my $deeper = $depth+1;
13114: my $checked = '';
13115: if (ref($currcategories) eq 'ARRAY') {
13116: if (@{$currcategories} > 0) {
13117: if (grep(/^\Q$item\E$/,@{$currcategories})) {
13118: $checked = ' checked="checked"';
13119: }
13120: }
13121: }
13122: $text .= '<tr><td><span class="LC_nobreak"><label>'.
13123: '<input type="checkbox" name="usecategory" value="'.
13124: $item.'"'.$checked.' />'.$name.'</label></span>'.
13125: '<input type="hidden" name="catname" value="'.$name.'" />'.
13126: '</td><td>';
13127: if (ref($path) eq 'ARRAY') {
13128: push(@{$path},$name);
13129: $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
13130: pop(@{$path});
13131: }
13132: $text .= '</td></tr>';
13133: }
13134: $text .= '</table></td>';
13135: }
13136: }
13137: }
13138: return $text;
13139: }
13140:
13141: ############################################################
13142: ############################################################
13143:
13144:
13145: sub commit_customrole {
13146: my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
13147: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
13148: ($start?', '.&mt('starting').' '.localtime($start):'').
13149: ($end?', ending '.localtime($end):'').': <b>'.
13150: &Apache::lonnet::assigncustomrole(
13151: $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
13152: '</b><br />';
13153: return $output;
13154: }
13155:
13156: sub commit_standardrole {
13157: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
13158: my ($output,$logmsg,$linefeed);
13159: if ($context eq 'auto') {
13160: $linefeed = "\n";
13161: } else {
13162: $linefeed = "<br />\n";
13163: }
13164: if ($three eq 'st') {
13165: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
13166: $one,$two,$sec,$context);
13167: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
13168: ($result eq 'unknown_course') || ($result eq 'refused')) {
13169: $output = $logmsg.' '.&mt('Error: ').$result."\n";
13170: } else {
13171: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
13172: ($start?', '.&mt('starting').' '.localtime($start):'').
13173: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
13174: if ($context eq 'auto') {
13175: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
13176: } else {
13177: $output .= '<b>'.$result.'</b>'.$linefeed.
13178: &mt('Add to classlist').': <b>ok</b>';
13179: }
13180: $output .= $linefeed;
13181: }
13182: } else {
13183: $output = &mt('Assigning').' '.$three.' in '.$url.
13184: ($start?', '.&mt('starting').' '.localtime($start):'').
13185: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
13186: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
13187: if ($context eq 'auto') {
13188: $output .= $result.$linefeed;
13189: } else {
13190: $output .= '<b>'.$result.'</b>'.$linefeed;
13191: }
13192: }
13193: return $output;
13194: }
13195:
13196: sub commit_studentrole {
13197: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
13198: my ($result,$linefeed,$oldsecurl,$newsecurl);
13199: if ($context eq 'auto') {
13200: $linefeed = "\n";
13201: } else {
13202: $linefeed = '<br />'."\n";
13203: }
13204: if (defined($one) && defined($two)) {
13205: my $cid=$one.'_'.$two;
13206: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
13207: my $secchange = 0;
13208: my $expire_role_result;
13209: my $modify_section_result;
13210: if ($oldsec ne '-1') {
13211: if ($oldsec ne $sec) {
13212: $secchange = 1;
13213: my $now = time;
13214: my $uurl='/'.$cid;
13215: $uurl=~s/\_/\//g;
13216: if ($oldsec) {
13217: $uurl.='/'.$oldsec;
13218: }
13219: $oldsecurl = $uurl;
13220: $expire_role_result =
13221: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
13222: if ($env{'request.course.sec'} ne '') {
13223: if ($expire_role_result eq 'refused') {
13224: my @roles = ('st');
13225: my @statuses = ('previous');
13226: my @roledoms = ($one);
13227: my $withsec = 1;
13228: my %roleshash =
13229: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
13230: \@statuses,\@roles,\@roledoms,$withsec);
13231: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
13232: my ($oldstart,$oldend) =
13233: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
13234: if ($oldend > 0 && $oldend <= $now) {
13235: $expire_role_result = 'ok';
13236: }
13237: }
13238: }
13239: }
13240: $result = $expire_role_result;
13241: }
13242: }
13243: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
13244: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
13245: if ($modify_section_result =~ /^ok/) {
13246: if ($secchange == 1) {
13247: if ($sec eq '') {
13248: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
13249: } else {
13250: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
13251: }
13252: } elsif ($oldsec eq '-1') {
13253: if ($sec eq '') {
13254: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
13255: } else {
13256: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
13257: }
13258: } else {
13259: if ($sec eq '') {
13260: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
13261: } else {
13262: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
13263: }
13264: }
13265: } else {
13266: if ($secchange) {
13267: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
13268: } else {
13269: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
13270: }
13271: }
13272: $result = $modify_section_result;
13273: } elsif ($secchange == 1) {
13274: if ($oldsec eq '') {
13275: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_2] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
13276: } else {
13277: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
13278: }
13279: if ($expire_role_result eq 'refused') {
13280: my $newsecurl = '/'.$cid;
13281: $newsecurl =~ s/\_/\//g;
13282: if ($sec ne '') {
13283: $newsecurl.='/'.$sec;
13284: }
13285: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
13286: if ($sec eq '') {
13287: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
13288: } else {
13289: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
13290: }
13291: }
13292: }
13293: }
13294: } else {
13295: $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
13296: $result = "error: incomplete course id\n";
13297: }
13298: return $result;
13299: }
13300:
13301: sub show_role_extent {
13302: my ($scope,$context,$role) = @_;
13303: $scope =~ s{^/}{};
13304: my @courseroles = &Apache::lonuserutils::roles_by_context('course',1);
13305: push(@courseroles,'co');
13306: my @authorroles = &Apache::lonuserutils::roles_by_context('author');
13307: if (($context eq 'course') || (grep(/^\Q$role\E/,@courseroles))) {
13308: $scope =~ s{/}{_};
13309: return '<span class="LC_cusr_emph">'.$env{'course.'.$scope.'.description'}.'</span>';
13310: } elsif (($context eq 'author') || (grep(/^\Q$role\E/,@authorroles))) {
13311: my ($audom,$auname) = split(/\//,$scope);
13312: return &mt('[_1] Author Space','<span class="LC_cusr_emph">'.
13313: &Apache::loncommon::plainname($auname,$audom).'</span>');
13314: } else {
13315: $scope =~ s{/$}{};
13316: return &mt('Domain: [_1]','<span class="LC_cusr_emph">'.
13317: &Apache::lonnet::domain($scope,'description').'</span>');
13318: }
13319: }
13320:
13321: ############################################################
13322: ############################################################
13323:
13324: sub check_clone {
13325: my ($args,$linefeed) = @_;
13326: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
13327: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
13328: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
13329: my $clonemsg;
13330: my $can_clone = 0;
13331: my $lctype = lc($args->{'crstype'});
13332: if ($lctype ne 'community') {
13333: $lctype = 'course';
13334: }
13335: if ($clonehome eq 'no_host') {
13336: if ($args->{'crstype'} eq 'Community') {
13337: $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
13338: } else {
13339: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
13340: }
13341: } else {
13342: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
13343: if ($args->{'crstype'} eq 'Community') {
13344: if ($clonedesc{'type'} ne 'Community') {
13345: $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
13346: return ($can_clone, $clonemsg, $cloneid, $clonehome);
13347: }
13348: }
13349: if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
13350: (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
13351: $can_clone = 1;
13352: } else {
13353: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
13354: $args->{'clonedomain'},$args->{'clonecourse'});
13355: my @cloners = split(/,/,$clonehash{'cloners'});
13356: if (grep(/^\*$/,@cloners)) {
13357: $can_clone = 1;
13358: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
13359: $can_clone = 1;
13360: } else {
13361: my $ccrole = 'cc';
13362: if ($args->{'crstype'} eq 'Community') {
13363: $ccrole = 'co';
13364: }
13365: my %roleshash =
13366: &Apache::lonnet::get_my_roles($args->{'ccuname'},
13367: $args->{'ccdomain'},
13368: 'userroles',['active'],[$ccrole],
13369: [$args->{'clonedomain'}]);
13370: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
13371: $can_clone = 1;
13372: } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
13373: $can_clone = 1;
13374: } else {
13375: if ($args->{'crstype'} eq 'Community') {
13376: $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
13377: } else {
13378: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
13379: }
13380: }
13381: }
13382: }
13383: }
13384: return ($can_clone, $clonemsg, $cloneid, $clonehome);
13385: }
13386:
13387: sub construct_course {
13388: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_;
13389: my $outcome;
13390: my $linefeed = '<br />'."\n";
13391: if ($context eq 'auto') {
13392: $linefeed = "\n";
13393: }
13394:
13395: #
13396: # Are we cloning?
13397: #
13398: my ($can_clone, $clonemsg, $cloneid, $clonehome);
13399: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
13400: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
13401: if ($context ne 'auto') {
13402: if ($clonemsg ne '') {
13403: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
13404: }
13405: }
13406: $outcome .= $clonemsg.$linefeed;
13407:
13408: if (!$can_clone) {
13409: return (0,$outcome);
13410: }
13411: }
13412:
13413: #
13414: # Open course
13415: #
13416: my $crstype = lc($args->{'crstype'});
13417: my %cenv=();
13418: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
13419: $args->{'cdescr'},
13420: $args->{'curl'},
13421: $args->{'course_home'},
13422: $args->{'nonstandard'},
13423: $args->{'crscode'},
13424: $args->{'ccuname'}.':'.
13425: $args->{'ccdomain'},
13426: $args->{'crstype'},
13427: $cnum,$context,$category);
13428:
13429: # Note: The testing routines depend on this being output; see
13430: # Utils::Course. This needs to at least be output as a comment
13431: # if anyone ever decides to not show this, and Utils::Course::new
13432: # will need to be suitably modified.
13433: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
13434: if ($$courseid =~ /^error:/) {
13435: return (0,$outcome);
13436: }
13437:
13438: #
13439: # Check if created correctly
13440: #
13441: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
13442: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
13443: if ($crsuhome eq 'no_host') {
13444: $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
13445: return (0,$outcome);
13446: }
13447: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
13448:
13449: #
13450: # Do the cloning
13451: #
13452: if ($can_clone && $cloneid) {
13453: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
13454: if ($context ne 'auto') {
13455: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
13456: }
13457: $outcome .= $clonemsg.$linefeed;
13458: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
13459: # Copy all files
13460: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
13461: # Restore URL
13462: $cenv{'url'}=$oldcenv{'url'};
13463: # Restore title
13464: $cenv{'description'}=$oldcenv{'description'};
13465: # Restore creation date, creator and creation context.
13466: $cenv{'internal.created'}=$oldcenv{'internal.created'};
13467: $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
13468: $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
13469: # Mark as cloned
13470: $cenv{'clonedfrom'}=$cloneid;
13471: # Need to clone grading mode
13472: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
13473: $cenv{'grading'}=$newenv{'grading'};
13474: # Do not clone these environment entries
13475: &Apache::lonnet::del('environment',
13476: ['default_enrollment_start_date',
13477: 'default_enrollment_end_date',
13478: 'question.email',
13479: 'policy.email',
13480: 'comment.email',
13481: 'pch.users.denied',
13482: 'plc.users.denied',
13483: 'hidefromcat',
13484: 'categories'],
13485: $$crsudom,$$crsunum);
13486: }
13487:
13488: #
13489: # Set environment (will override cloned, if existing)
13490: #
13491: my @sections = ();
13492: my @xlists = ();
13493: if ($args->{'crstype'}) {
13494: $cenv{'type'}=$args->{'crstype'};
13495: }
13496: if ($args->{'crsid'}) {
13497: $cenv{'courseid'}=$args->{'crsid'};
13498: }
13499: if ($args->{'crscode'}) {
13500: $cenv{'internal.coursecode'}=$args->{'crscode'};
13501: }
13502: if ($args->{'crsquota'} ne '') {
13503: $cenv{'internal.coursequota'}=$args->{'crsquota'};
13504: } else {
13505: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
13506: }
13507: if ($args->{'ccuname'}) {
13508: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
13509: ':'.$args->{'ccdomain'};
13510: } else {
13511: $cenv{'internal.courseowner'} = $args->{'curruser'};
13512: }
13513: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
13514: if ($args->{'crssections'}) {
13515: $cenv{'internal.sectionnums'} = '';
13516: if ($args->{'crssections'} =~ m/,/) {
13517: @sections = split/,/,$args->{'crssections'};
13518: } else {
13519: $sections[0] = $args->{'crssections'};
13520: }
13521: if (@sections > 0) {
13522: foreach my $item (@sections) {
13523: my ($sec,$gp) = split/:/,$item;
13524: my $class = $args->{'crscode'}.$sec;
13525: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
13526: $cenv{'internal.sectionnums'} .= $item.',';
13527: unless ($addcheck eq 'ok') {
13528: push @badclasses, $class;
13529: }
13530: }
13531: $cenv{'internal.sectionnums'} =~ s/,$//;
13532: }
13533: }
13534: # do not hide course coordinator from staff listing,
13535: # even if privileged
13536: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
13537: # add crosslistings
13538: if ($args->{'crsxlist'}) {
13539: $cenv{'internal.crosslistings'}='';
13540: if ($args->{'crsxlist'} =~ m/,/) {
13541: @xlists = split/,/,$args->{'crsxlist'};
13542: } else {
13543: $xlists[0] = $args->{'crsxlist'};
13544: }
13545: if (@xlists > 0) {
13546: foreach my $item (@xlists) {
13547: my ($xl,$gp) = split/:/,$item;
13548: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
13549: $cenv{'internal.crosslistings'} .= $item.',';
13550: unless ($addcheck eq 'ok') {
13551: push @badclasses, $xl;
13552: }
13553: }
13554: $cenv{'internal.crosslistings'} =~ s/,$//;
13555: }
13556: }
13557: if ($args->{'autoadds'}) {
13558: $cenv{'internal.autoadds'}=$args->{'autoadds'};
13559: }
13560: if ($args->{'autodrops'}) {
13561: $cenv{'internal.autodrops'}=$args->{'autodrops'};
13562: }
13563: # check for notification of enrollment changes
13564: my @notified = ();
13565: if ($args->{'notify_owner'}) {
13566: if ($args->{'ccuname'} ne '') {
13567: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
13568: }
13569: }
13570: if ($args->{'notify_dc'}) {
13571: if ($uname ne '') {
13572: push(@notified,$uname.':'.$udom);
13573: }
13574: }
13575: if (@notified > 0) {
13576: my $notifylist;
13577: if (@notified > 1) {
13578: $notifylist = join(',',@notified);
13579: } else {
13580: $notifylist = $notified[0];
13581: }
13582: $cenv{'internal.notifylist'} = $notifylist;
13583: }
13584: if (@badclasses > 0) {
13585: my %lt=&Apache::lonlocal::texthash(
13586: 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
13587: 'dnhr' => 'does not have rights to access enrollment in these classes',
13588: 'adby' => 'as determined by the policies of your institution on access to official classlists'
13589: );
13590: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
13591: ' ('.$lt{'adby'}.')';
13592: if ($context eq 'auto') {
13593: $outcome .= $badclass_msg.$linefeed;
13594: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
13595: foreach my $item (@badclasses) {
13596: if ($context eq 'auto') {
13597: $outcome .= " - $item\n";
13598: } else {
13599: $outcome .= "<li>$item</li>\n";
13600: }
13601: }
13602: if ($context eq 'auto') {
13603: $outcome .= $linefeed;
13604: } else {
13605: $outcome .= "</ul><br /><br /></div>\n";
13606: }
13607: }
13608: }
13609: if ($args->{'no_end_date'}) {
13610: $args->{'endaccess'} = 0;
13611: }
13612: $cenv{'internal.autostart'}=$args->{'enrollstart'};
13613: $cenv{'internal.autoend'}=$args->{'enrollend'};
13614: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
13615: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
13616: if ($args->{'showphotos'}) {
13617: $cenv{'internal.showphotos'}=$args->{'showphotos'};
13618: }
13619: $cenv{'internal.authtype'} = $args->{'authtype'};
13620: $cenv{'internal.autharg'} = $args->{'autharg'};
13621: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
13622: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
13623: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
13624: if ($context eq 'auto') {
13625: $outcome .= $krb_msg;
13626: } else {
13627: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
13628: }
13629: $outcome .= $linefeed;
13630: }
13631: }
13632: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
13633: if ($args->{'setpolicy'}) {
13634: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
13635: }
13636: if ($args->{'setcontent'}) {
13637: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
13638: }
13639: }
13640: if ($args->{'reshome'}) {
13641: $cenv{'reshome'}=$args->{'reshome'}.'/';
13642: $cenv{'reshome'}=~s/\/+$/\//;
13643: }
13644: #
13645: # course has keyed access
13646: #
13647: if ($args->{'setkeys'}) {
13648: $cenv{'keyaccess'}='yes';
13649: }
13650: # if specified, key authority is not course, but user
13651: # only active if keyaccess is yes
13652: if ($args->{'keyauth'}) {
13653: my ($user,$domain) = split(':',$args->{'keyauth'});
13654: $user = &LONCAPA::clean_username($user);
13655: $domain = &LONCAPA::clean_username($domain);
13656: if ($user ne '' && $domain ne '') {
13657: $cenv{'keyauth'}=$user.':'.$domain;
13658: }
13659: }
13660:
13661: if ($args->{'disresdis'}) {
13662: $cenv{'pch.roles.denied'}='st';
13663: }
13664: if ($args->{'disablechat'}) {
13665: $cenv{'plc.roles.denied'}='st';
13666: }
13667:
13668: # Record we've not yet viewed the Course Initialization Helper for this
13669: # course
13670: $cenv{'course.helper.not.run'} = 1;
13671: #
13672: # Use new Randomseed
13673: #
13674: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
13675: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
13676: #
13677: # The encryption code and receipt prefix for this course
13678: #
13679: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
13680: $cenv{'internal.encpref'}=100+int(9*rand(99));
13681: #
13682: # By default, use standard grading
13683: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
13684:
13685: $outcome .= $linefeed.&mt('Setting environment').': '.
13686: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
13687: #
13688: # Open all assignments
13689: #
13690: if ($args->{'openall'}) {
13691: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
13692: my %storecontent = ($storeunder => time,
13693: $storeunder.'.type' => 'date_start');
13694:
13695: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
13696: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
13697: }
13698: #
13699: # Set first page
13700: #
13701: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
13702: || ($cloneid)) {
13703: use LONCAPA::map;
13704: $outcome .= &mt('Setting first resource').': ';
13705:
13706: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
13707: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
13708:
13709: $outcome .= ($fatal?$errtext:'read ok').' - ';
13710: my $title; my $url;
13711: if ($args->{'firstres'} eq 'syl') {
13712: $title=&mt('Syllabus');
13713: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
13714: } else {
13715: $title=&mt('Table of Contents');
13716: $url='/adm/navmaps';
13717: }
13718:
13719: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
13720: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
13721:
13722: if ($errtext) { $fatal=2; }
13723: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
13724: }
13725:
13726: return (1,$outcome);
13727: }
13728:
13729: ############################################################
13730: ############################################################
13731:
13732: #SD
13733: # only Community and Course, or anything else?
13734: sub course_type {
13735: my ($cid) = @_;
13736: if (!defined($cid)) {
13737: $cid = $env{'request.course.id'};
13738: }
13739: if (defined($env{'course.'.$cid.'.type'})) {
13740: return $env{'course.'.$cid.'.type'};
13741: } else {
13742: return 'Course';
13743: }
13744: }
13745:
13746: sub group_term {
13747: my $crstype = &course_type();
13748: my %names = (
13749: 'Course' => 'group',
13750: 'Community' => 'group',
13751: );
13752: return $names{$crstype};
13753: }
13754:
13755: sub course_types {
13756: my @types = ('official','unofficial','community');
13757: my %typename = (
13758: official => 'Official course',
13759: unofficial => 'Unofficial course',
13760: community => 'Community',
13761: );
13762: return (\@types,\%typename);
13763: }
13764:
13765: sub icon {
13766: my ($file)=@_;
13767: my $curfext = lc((split(/\./,$file))[-1]);
13768: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
13769: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
13770: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
13771: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
13772: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
13773: $curfext.".gif") {
13774: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
13775: $curfext.".gif";
13776: }
13777: }
13778: return &lonhttpdurl($iconname);
13779: }
13780:
13781: sub lonhttpdurl {
13782: #
13783: # Had been used for "small fry" static images on separate port 8080.
13784: # Modify here if lightweight http functionality desired again.
13785: # Currently eliminated due to increasing firewall issues.
13786: #
13787: my ($url)=@_;
13788: return $url;
13789: }
13790:
13791: sub connection_aborted {
13792: my ($r)=@_;
13793: $r->print(" ");$r->rflush();
13794: my $c = $r->connection;
13795: return $c->aborted();
13796: }
13797:
13798: # Escapes strings that may have embedded 's that will be put into
13799: # strings as 'strings'.
13800: sub escape_single {
13801: my ($input) = @_;
13802: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
13803: $input =~ s/\'/\\\'/g; # Esacpe the 's....
13804: return $input;
13805: }
13806:
13807: # Same as escape_single, but escape's "'s This
13808: # can be used for "strings"
13809: sub escape_double {
13810: my ($input) = @_;
13811: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
13812: $input =~ s/\"/\\\"/g; # Esacpe the "s....
13813: return $input;
13814: }
13815:
13816: # Escapes the last element of a full URL.
13817: sub escape_url {
13818: my ($url) = @_;
13819: my @urlslices = split(/\//, $url,-1);
13820: my $lastitem = &escape(pop(@urlslices));
13821: return join('/',@urlslices).'/'.$lastitem;
13822: }
13823:
13824: sub compare_arrays {
13825: my ($arrayref1,$arrayref2) = @_;
13826: my (@difference,%count);
13827: @difference = ();
13828: %count = ();
13829: if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
13830: foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
13831: foreach my $element (keys(%count)) {
13832: if ($count{$element} == 1) {
13833: push(@difference,$element);
13834: }
13835: }
13836: }
13837: return @difference;
13838: }
13839:
13840: # -------------------------------------------------------- Initialize user login
13841: sub init_user_environment {
13842: my ($r, $username, $domain, $authhost, $form, $args) = @_;
13843: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
13844:
13845: my $public=($username eq 'public' && $domain eq 'public');
13846:
13847: # See if old ID present, if so, remove
13848:
13849: my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv);
13850: my $now=time;
13851:
13852: if ($public) {
13853: my $max_public=100;
13854: my $oldest;
13855: my $oldest_time=0;
13856: for(my $next=1;$next<=$max_public;$next++) {
13857: if (-e $lonids."/publicuser_$next.id") {
13858: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
13859: if ($mtime<$oldest_time || !$oldest_time) {
13860: $oldest_time=$mtime;
13861: $oldest=$next;
13862: }
13863: } else {
13864: $cookie="publicuser_$next";
13865: last;
13866: }
13867: }
13868: if (!$cookie) { $cookie="publicuser_$oldest"; }
13869: } else {
13870: # if this isn't a robot, kill any existing non-robot sessions
13871: if (!$args->{'robot'}) {
13872: opendir(DIR,$lonids);
13873: while ($filename=readdir(DIR)) {
13874: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
13875: unlink($lonids.'/'.$filename);
13876: }
13877: }
13878: closedir(DIR);
13879: }
13880: # Give them a new cookie
13881: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
13882: : $now.$$.int(rand(10000)));
13883: $cookie="$username\_$id\_$domain\_$authhost";
13884:
13885: # Initialize roles
13886:
13887: ($userroles,$firstaccenv,$timerintenv) =
13888: &Apache::lonnet::rolesinit($domain,$username,$authhost);
13889: }
13890: # ------------------------------------ Check browser type and MathML capability
13891:
13892: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
13893: $clientunicode,$clientos) = &decode_user_agent($r);
13894:
13895: # ------------------------------------------------------------- Get environment
13896:
13897: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
13898: my ($tmp) = keys(%userenv);
13899: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
13900: } else {
13901: undef(%userenv);
13902: }
13903: if (($userenv{'interface'}) && (!$form->{'interface'})) {
13904: $form->{'interface'}=$userenv{'interface'};
13905: }
13906: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
13907:
13908: # --------------- Do not trust query string to be put directly into environment
13909: foreach my $option ('interface','localpath','localres') {
13910: $form->{$option}=~s/[\n\r\=]//gs;
13911: }
13912: # --------------------------------------------------------- Write first profile
13913:
13914: {
13915: my %initial_env =
13916: ("user.name" => $username,
13917: "user.domain" => $domain,
13918: "user.home" => $authhost,
13919: "browser.type" => $clientbrowser,
13920: "browser.version" => $clientversion,
13921: "browser.mathml" => $clientmathml,
13922: "browser.unicode" => $clientunicode,
13923: "browser.os" => $clientos,
13924: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
13925: "request.course.fn" => '',
13926: "request.course.uri" => '',
13927: "request.course.sec" => '',
13928: "request.role" => 'cm',
13929: "request.role.adv" => $env{'user.adv'},
13930: "request.host" => $ENV{'REMOTE_ADDR'},);
13931:
13932: if ($form->{'localpath'}) {
13933: $initial_env{"browser.localpath"} = $form->{'localpath'};
13934: $initial_env{"browser.localres"} = $form->{'localres'};
13935: }
13936:
13937: if ($form->{'interface'}) {
13938: $form->{'interface'}=~s/\W//gs;
13939: $initial_env{"browser.interface"} = $form->{'interface'};
13940: $env{'browser.interface'}=$form->{'interface'};
13941: }
13942:
13943: my %is_adv = ( is_adv => $env{'user.adv'} );
13944: my %domdef;
13945: unless ($domain eq 'public') {
13946: %domdef = &Apache::lonnet::get_domain_defaults($domain);
13947: }
13948:
13949: foreach my $tool ('aboutme','blog','webdav','portfolio') {
13950: $userenv{'availabletools.'.$tool} =
13951: &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
13952: undef,\%userenv,\%domdef,\%is_adv);
13953: }
13954:
13955: foreach my $crstype ('official','unofficial','community') {
13956: $userenv{'canrequest.'.$crstype} =
13957: &Apache::lonnet::usertools_access($username,$domain,$crstype,
13958: 'reload','requestcourses',
13959: \%userenv,\%domdef,\%is_adv);
13960: }
13961:
13962: $userenv{'canrequest.author'} =
13963: &Apache::lonnet::usertools_access($username,$domain,'requestauthor',
13964: 'reload','requestauthor',
13965: \%userenv,\%domdef,\%is_adv);
13966: my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
13967: $domain,$username);
13968: my $reqstatus = $reqauthor{'author_status'};
13969: if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
13970: if (ref($reqauthor{'author'}) eq 'HASH') {
13971: $userenv{'requestauthorqueued'} = $reqstatus.':'.
13972: $reqauthor{'author'}{'timestamp'};
13973: }
13974: }
13975:
13976: $env{'user.environment'} = "$lonids/$cookie.id";
13977:
13978: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
13979: &GDBM_WRCREAT(),0640)) {
13980: &_add_to_env(\%disk_env,\%initial_env);
13981: &_add_to_env(\%disk_env,\%userenv,'environment.');
13982: &_add_to_env(\%disk_env,$userroles);
13983: if (ref($firstaccenv) eq 'HASH') {
13984: &_add_to_env(\%disk_env,$firstaccenv);
13985: }
13986: if (ref($timerintenv) eq 'HASH') {
13987: &_add_to_env(\%disk_env,$timerintenv);
13988: }
13989: if (ref($args->{'extra_env'})) {
13990: &_add_to_env(\%disk_env,$args->{'extra_env'});
13991: }
13992: untie(%disk_env);
13993: } else {
13994: &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
13995: 'Could not create environment storage in lonauth: '.$!.'</span>');
13996: return 'error: '.$!;
13997: }
13998: }
13999: $env{'request.role'}='cm';
14000: $env{'request.role.adv'}=$env{'user.adv'};
14001: $env{'browser.type'}=$clientbrowser;
14002:
14003: return $cookie;
14004:
14005: }
14006:
14007: sub _add_to_env {
14008: my ($idf,$env_data,$prefix) = @_;
14009: if (ref($env_data) eq 'HASH') {
14010: while (my ($key,$value) = each(%$env_data)) {
14011: $idf->{$prefix.$key} = $value;
14012: $env{$prefix.$key} = $value;
14013: }
14014: }
14015: }
14016:
14017: # --- Get the symbolic name of a problem and the url
14018: sub get_symb {
14019: my ($request,$silent) = @_;
14020: (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
14021: my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
14022: if ($symb eq '') {
14023: if (!$silent) {
14024: if (ref($request)) {
14025: $request->print("Unable to handle ambiguous references:$url:.");
14026: }
14027: return ();
14028: }
14029: }
14030: &Apache::lonenc::check_decrypt(\$symb);
14031: return ($symb);
14032: }
14033:
14034: # --------------------------------------------------------------Get annotation
14035:
14036: sub get_annotation {
14037: my ($symb,$enc) = @_;
14038:
14039: my $key = $symb;
14040: if (!$enc) {
14041: $key =
14042: &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
14043: }
14044: my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
14045: return $annotation{$key};
14046: }
14047:
14048: sub clean_symb {
14049: my ($symb,$delete_enc) = @_;
14050:
14051: &Apache::lonenc::check_decrypt(\$symb);
14052: my $enc = $env{'request.enc'};
14053: if ($delete_enc) {
14054: delete($env{'request.enc'});
14055: }
14056:
14057: return ($symb,$enc);
14058: }
14059:
14060: sub build_release_hashes {
14061: my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
14062: return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
14063: (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
14064: (ref($randomizetry) eq 'HASH'));
14065: foreach my $key (keys(%Apache::lonnet::needsrelease)) {
14066: my ($item,$name,$value) = split(/:/,$key);
14067: if ($item eq 'parameter') {
14068: if (ref($checkparms->{$name}) eq 'ARRAY') {
14069: unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
14070: push(@{$checkparms->{$name}},$value);
14071: }
14072: } else {
14073: push(@{$checkparms->{$name}},$value);
14074: }
14075: } elsif ($item eq 'resourcetag') {
14076: if ($name eq 'responsetype') {
14077: $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
14078: }
14079: } elsif ($item eq 'course') {
14080: if ($name eq 'crstype') {
14081: $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
14082: }
14083: }
14084: }
14085: ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
14086: ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
14087: return;
14088: }
14089:
14090: sub update_content_constraints {
14091: my ($cdom,$cnum,$chome,$cid) = @_;
14092: my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
14093: my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
14094: my %checkresponsetypes;
14095: foreach my $key (keys(%Apache::lonnet::needsrelease)) {
14096: my ($item,$name,$value) = split(/:/,$key);
14097: if ($item eq 'resourcetag') {
14098: if ($name eq 'responsetype') {
14099: $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
14100: }
14101: }
14102: }
14103: my $navmap = Apache::lonnavmaps::navmap->new();
14104: if (defined($navmap)) {
14105: my %allresponses;
14106: foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
14107: my %responses = $res->responseTypes();
14108: foreach my $key (keys(%responses)) {
14109: next unless(exists($checkresponsetypes{$key}));
14110: $allresponses{$key} += $responses{$key};
14111: }
14112: }
14113: foreach my $key (keys(%allresponses)) {
14114: my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
14115: if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) {
14116: ($reqdmajor,$reqdminor) = ($major,$minor);
14117: }
14118: }
14119: undef($navmap);
14120: }
14121: unless (($reqdmajor eq '') && ($reqdminor eq '')) {
14122: &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
14123: }
14124: return;
14125: }
14126:
14127: sub allmaps_incourse {
14128: my ($cdom,$cnum,$chome,$cid) = @_;
14129: if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
14130: $cid = $env{'request.course.id'};
14131: $cdom = $env{'course.'.$cid.'.domain'};
14132: $cnum = $env{'course.'.$cid.'.num'};
14133: $chome = $env{'course.'.$cid.'.home'};
14134: }
14135: my %allmaps = ();
14136: my $lastchange =
14137: &Apache::lonnet::get_coursechange($cdom,$cnum);
14138: if ($lastchange > $env{'request.course.tied'}) {
14139: my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
14140: unless ($ferr) {
14141: &update_content_constraints($cdom,$cnum,$chome,$cid);
14142: }
14143: }
14144: my $navmap = Apache::lonnavmaps::navmap->new();
14145: if (defined($navmap)) {
14146: foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_map() },1,0,1)) {
14147: $allmaps{$res->src()} = 1;
14148: }
14149: }
14150: return \%allmaps;
14151: }
14152:
14153: sub parse_supplemental_title {
14154: my ($title) = @_;
14155:
14156: my ($foldertitle,$renametitle);
14157: if ($title =~ /&&&/) {
14158: $title = &HTML::Entites::decode($title);
14159: }
14160: if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
14161: $renametitle=$4;
14162: my ($time,$uname,$udom) = ($1,$2,$3);
14163: $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
14164: my $name = &plainname($uname,$udom);
14165: $name = &HTML::Entities::encode($name,'"<>&\'');
14166: $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
14167: $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
14168: $name.': <br />'.$foldertitle;
14169: }
14170: if (wantarray) {
14171: return ($title,$foldertitle,$renametitle);
14172: }
14173: return $title;
14174: }
14175:
14176: sub symb_to_docspath {
14177: my ($symb) = @_;
14178: return unless ($symb);
14179: my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb);
14180: if ($resurl=~/\.(sequence|page)$/) {
14181: $mapurl=$resurl;
14182: } elsif ($resurl eq 'adm/navmaps') {
14183: $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'};
14184: }
14185: my $mapresobj;
14186: my $navmap = Apache::lonnavmaps::navmap->new();
14187: if (ref($navmap)) {
14188: $mapresobj = $navmap->getResourceByUrl($mapurl);
14189: }
14190: $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1};
14191: my $type=$2;
14192: my $path;
14193: if (ref($mapresobj)) {
14194: my $pcslist = $mapresobj->map_hierarchy();
14195: if ($pcslist ne '') {
14196: foreach my $pc (split(/,/,$pcslist)) {
14197: next if ($pc <= 1);
14198: my $res = $navmap->getByMapPc($pc);
14199: if (ref($res)) {
14200: my $thisurl = $res->src();
14201: $thisurl=~s{^.*/([^/]+)\.\w+$}{$1};
14202: my $thistitle = $res->title();
14203: $path .= '&'.
14204: &Apache::lonhtmlcommon::entity_encode($thisurl).'&'.
14205: &Apache::lonhtmlcommon::entity_encode($thistitle).
14206: ':'.$res->randompick().
14207: ':'.$res->randomout().
14208: ':'.$res->encrypted().
14209: ':'.$res->randomorder().
14210: ':'.$res->is_page();
14211: }
14212: }
14213: }
14214: $path =~ s/^\&//;
14215: my $maptitle = $mapresobj->title();
14216: if ($mapurl eq 'default') {
14217: $maptitle = 'Main Course Documents';
14218: }
14219: $path .= (($path ne '')? '&' : '').
14220: &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
14221: &Apache::lonhtmlcommon::entity_encode($maptitle).
14222: ':'.$mapresobj->randompick().
14223: ':'.$mapresobj->randomout().
14224: ':'.$mapresobj->encrypted().
14225: ':'.$mapresobj->randomorder().
14226: ':'.$mapresobj->is_page();
14227: } else {
14228: my $maptitle = &Apache::lonnet::gettitle($mapurl);
14229: my $ispage = (($type eq 'page')? 1 : '');
14230: if ($mapurl eq 'default') {
14231: $maptitle = 'Main Course Documents';
14232: }
14233: $path = &Apache::lonhtmlcommon::entity_encode($mapurl).'&'.
14234: &Apache::lonhtmlcommon::entity_encode($maptitle).':::::'.$ispage;
14235: }
14236: unless ($mapurl eq 'default') {
14237: $path = 'default&'.
14238: &Apache::lonhtmlcommon::entity_encode('Main Course Documents').
14239: ':::::&'.$path;
14240: }
14241: return $path;
14242: }
14243:
14244: sub captcha_display {
14245: my ($context,$lonhost) = @_;
14246: my ($output,$error);
14247: my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
14248: if ($captcha eq 'original') {
14249: $output = &create_captcha();
14250: unless ($output) {
14251: $error = 'captcha';
14252: }
14253: } elsif ($captcha eq 'recaptcha') {
14254: $output = &create_recaptcha($pubkey);
14255: unless ($output) {
14256: $error = 'recaptcha';
14257: }
14258: }
14259: return ($output,$error);
14260: }
14261:
14262: sub captcha_response {
14263: my ($context,$lonhost) = @_;
14264: my ($captcha_chk,$captcha_error);
14265: my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
14266: if ($captcha eq 'original') {
14267: ($captcha_chk,$captcha_error) = &check_captcha();
14268: } elsif ($captcha eq 'recaptcha') {
14269: $captcha_chk = &check_recaptcha($privkey);
14270: } else {
14271: $captcha_chk = 1;
14272: }
14273: return ($captcha_chk,$captcha_error);
14274: }
14275:
14276: sub get_captcha_config {
14277: my ($context,$lonhost) = @_;
14278: my ($captcha,$pubkey,$privkey,$hashtocheck);
14279: my $hostname = &Apache::lonnet::hostname($lonhost);
14280: my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
14281: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
14282: if ($context eq 'usercreation') {
14283: my %domconfig = &Apache::lonnet::get_dom('configuration',[$context],$serverhomedom);
14284: if (ref($domconfig{$context}) eq 'HASH') {
14285: $hashtocheck = $domconfig{$context}{'cancreate'};
14286: if (ref($hashtocheck) eq 'HASH') {
14287: if ($hashtocheck->{'captcha'} eq 'recaptcha') {
14288: if (ref($hashtocheck->{'recaptchakeys'}) eq 'HASH') {
14289: $pubkey = $hashtocheck->{'recaptchakeys'}{'public'};
14290: $privkey = $hashtocheck->{'recaptchakeys'}{'private'};
14291: }
14292: if ($privkey && $pubkey) {
14293: $captcha = 'recaptcha';
14294: } else {
14295: $captcha = 'original';
14296: }
14297: } elsif ($hashtocheck->{'captcha'} ne 'notused') {
14298: $captcha = 'original';
14299: }
14300: }
14301: } else {
14302: $captcha = 'captcha';
14303: }
14304: } elsif ($context eq 'login') {
14305: my %domconfhash = &Apache::loncommon::get_domainconf($serverhomedom);
14306: if ($domconfhash{$serverhomedom.'.login.captcha'} eq 'recaptcha') {
14307: $pubkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_public'};
14308: $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
14309: if ($privkey && $pubkey) {
14310: $captcha = 'recaptcha';
14311: } else {
14312: $captcha = 'original';
14313: }
14314: } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') {
14315: $captcha = 'original';
14316: }
14317: }
14318: return ($captcha,$pubkey,$privkey);
14319: }
14320:
14321: sub create_captcha {
14322: my %captcha_params = &captcha_settings();
14323: my ($output,$maxtries,$tries) = ('',10,0);
14324: while ($tries < $maxtries) {
14325: $tries ++;
14326: my $captcha = Authen::Captcha->new (
14327: output_folder => $captcha_params{'output_dir'},
14328: data_folder => $captcha_params{'db_dir'},
14329: );
14330: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
14331:
14332: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
14333: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
14334: &mt('Type in the letters/numbers shown below').' '.
14335: '<input type="text" size="5" name="code" value="" /><br />'.
14336: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
14337: last;
14338: }
14339: }
14340: return $output;
14341: }
14342:
14343: sub captcha_settings {
14344: my %captcha_params = (
14345: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
14346: www_output_dir => "/captchaspool",
14347: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
14348: numchars => '5',
14349: );
14350: return %captcha_params;
14351: }
14352:
14353: sub check_captcha {
14354: my ($captcha_chk,$captcha_error);
14355: my $code = $env{'form.code'};
14356: my $md5sum = $env{'form.crypt'};
14357: my %captcha_params = &captcha_settings();
14358: my $captcha = Authen::Captcha->new(
14359: output_folder => $captcha_params{'output_dir'},
14360: data_folder => $captcha_params{'db_dir'},
14361: );
14362: $captcha_chk = $captcha->check_code($code,$md5sum);
14363: my %captcha_hash = (
14364: 0 => 'Code not checked (file error)',
14365: -1 => 'Failed: code expired',
14366: -2 => 'Failed: invalid code (not in database)',
14367: -3 => 'Failed: invalid code (code does not match crypt)',
14368: );
14369: if ($captcha_chk != 1) {
14370: $captcha_error = $captcha_hash{$captcha_chk}
14371: }
14372: return ($captcha_chk,$captcha_error);
14373: }
14374:
14375: sub create_recaptcha {
14376: my ($pubkey) = @_;
14377: my $captcha = Captcha::reCAPTCHA->new;
14378: return $captcha->get_options_setter({theme => 'white'})."\n".
14379: $captcha->get_html($pubkey).
14380: &mt('If either word is hard to read, [_1] will replace them.',
14381: '<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').
14382: '<br /><br />';
14383: }
14384:
14385: sub check_recaptcha {
14386: my ($privkey) = @_;
14387: my $captcha_chk;
14388: my $captcha = Captcha::reCAPTCHA->new;
14389: my $captcha_result =
14390: $captcha->check_answer(
14391: $privkey,
14392: $ENV{'REMOTE_ADDR'},
14393: $env{'form.recaptcha_challenge_field'},
14394: $env{'form.recaptcha_response_field'},
14395: );
14396: if ($captcha_result->{is_valid}) {
14397: $captcha_chk = 1;
14398: }
14399: return $captcha_chk;
14400: }
14401:
14402: =pod
14403:
14404: =back
14405:
14406: =cut
14407:
14408: 1;
14409: __END__;
14410:
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