Annotation of loncom/interface/loncommon.pm, revision 1.495
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.495 ! albertel 4: # $Id: loncommon.pm,v 1.494 2006/12/17 01:49:34 raeburn Exp $
1.10 albertel 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: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.117 www 62: use Apache::lonlocal;
1.139 matthew 63: use HTML::Entities;
1.334 albertel 64: use Apache::lonhtmlcommon();
65: use Apache::loncoursedata();
1.344 albertel 66: use Apache::lontexconvert();
1.444 albertel 67: use Apache::lonclonecourse();
1.479 albertel 68: use LONCAPA qw(:DEFAULT :match);
1.117 www 69:
1.22 www 70: my $readit;
71:
1.157 matthew 72: ##
73: ## Global Variables
74: ##
1.46 matthew 75:
1.20 www 76: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 77: my %language;
1.124 www 78: my %supported_language;
1.12 harris41 79: my %cprtag;
1.192 taceyjo1 80: my %scprtag;
1.351 www 81: my %fe; my %fd; my %fm;
1.41 ng 82: my %category_extensions;
1.12 harris41 83:
1.63 www 84: # ---------------------------------------------- Designs
85:
86: my %designhash;
87:
1.46 matthew 88: # ---------------------------------------------- Thesaurus variables
1.144 matthew 89: #
90: # %Keywords:
91: # A hash used by &keyword to determine if a word is considered a keyword.
92: # $thesaurus_db_file
93: # Scalar containing the full path to the thesaurus database.
1.46 matthew 94:
95: my %Keywords;
96: my $thesaurus_db_file;
97:
1.144 matthew 98: #
99: # Initialize values from language.tab, copyright.tab, filetypes.tab,
100: # thesaurus.tab, and filecategories.tab.
101: #
1.18 www 102: BEGIN {
1.46 matthew 103: # Variable initialization
104: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
105: #
1.22 www 106: unless ($readit) {
1.12 harris41 107: # ------------------------------------------------------------------- languages
108: {
1.158 raeburn 109: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
110: '/language.tab';
111: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 112: while (my $line = <$fh>) {
113: next if ($line=~/^\#/);
114: chomp($line);
115: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 116: $language{$key}=$val.' - '.$enc;
117: if ($sup) {
118: $supported_language{$key}=$sup;
119: }
120: }
121: close($fh);
122: }
1.12 harris41 123: }
124: # ------------------------------------------------------------------ copyrights
125: {
1.158 raeburn 126: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
127: '/copyright.tab';
128: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 129: while (my $line = <$fh>) {
130: next if ($line=~/^\#/);
131: chomp($line);
132: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 133: $cprtag{$key}=$val;
134: }
135: close($fh);
136: }
1.12 harris41 137: }
1.351 www 138: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 139: {
140: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
141: '/source_copyright.tab';
142: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 143: while (my $line = <$fh>) {
144: next if ($line =~ /^\#/);
145: chomp($line);
146: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 147: $scprtag{$key}=$val;
148: }
149: close($fh);
150: }
151: }
1.63 www 152:
153: # -------------------------------------------------------------- domain designs
154:
155: my $filename;
156: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
157: opendir(DIR,$designdir);
158: while ($filename=readdir(DIR)) {
1.271 albertel 159: if ($filename!~/\.tab$/) { next; }
1.479 albertel 160: my ($domain)=($filename=~/^($match_domain)\./);
1.271 albertel 161: {
162: my $designfile = $designdir.'/'.$filename;
163: if ( open (my $fh,"<$designfile") ) {
1.356 albertel 164: while (my $line = <$fh>) {
165: next if ($line =~ /^\#/);
166: chomp($line);
167: my ($key,$val)=(split(/\=/,$line));
1.271 albertel 168: if ($val) { $designhash{$domain.'.'.$key}=$val; }
169: }
170: close($fh);
171: }
172: }
1.63 www 173:
174: }
175: closedir(DIR);
176:
177:
1.15 harris41 178: # ------------------------------------------------------------- file categories
179: {
1.158 raeburn 180: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
181: '/filecategories.tab';
182: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 183: while (my $line = <$fh>) {
184: next if ($line =~ /^\#/);
185: chomp($line);
186: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 187: push @{$category_extensions{lc($category)}},$extension;
188: }
189: close($fh);
190: }
191:
1.15 harris41 192: }
1.12 harris41 193: # ------------------------------------------------------------------ file types
194: {
1.158 raeburn 195: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
196: '/filetypes.tab';
197: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 198: while (my $line = <$fh>) {
199: next if ($line =~ /^\#/);
200: chomp($line);
201: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 202: if ($descr ne '') {
203: $fe{$ending}=lc($emb);
204: $fd{$ending}=$descr;
1.351 www 205: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 206: }
207: }
208: close($fh);
209: }
1.12 harris41 210: }
1.22 www 211: &Apache::lonnet::logthis(
1.46 matthew 212: "<font color=yellow>INFO: Read file types</font>");
1.22 www 213: $readit=1;
1.46 matthew 214: } # end of unless($readit)
1.32 matthew 215:
216: }
1.112 bowersj2 217:
1.42 matthew 218: ###############################################################
219: ## HTML and Javascript Helper Functions ##
220: ###############################################################
221:
222: =pod
223:
1.112 bowersj2 224: =head1 HTML and Javascript Functions
1.42 matthew 225:
1.112 bowersj2 226: =over 4
227:
228: =item * browser_and_searcher_javascript ()
229:
230: X<browsing, javascript>X<searching, javascript>Returns a string
231: containing javascript with two functions, C<openbrowser> and
232: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
233: tags.
1.42 matthew 234:
1.112 bowersj2 235: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 236:
237: inputs: formname, elementname, only, omit
238:
239: formname and elementname indicate the name of the html form and name of
240: the element that the results of the browsing selection are to be placed in.
241:
242: Specifying 'only' will restrict the browser to displaying only files
1.185 www 243: with the given extension. Can be a comma separated list.
1.42 matthew 244:
245: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 246: with the given extension. Can be a comma separated list.
1.42 matthew 247:
1.112 bowersj2 248: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 249:
250: Inputs: formname, elementname
251:
252: formname and elementname specify the name of the html form and the name
253: of the element the selection from the search results will be placed in.
254:
255: =cut
256:
257: sub browser_and_searcher_javascript {
1.199 albertel 258: my ($mode)=@_;
259: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 260: my $resurl=&escape_single(&lastresurl());
1.42 matthew 261: return <<END;
1.219 albertel 262: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 263: var editbrowser = null;
1.135 albertel 264: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 265: var url = '$resurl/?';
1.42 matthew 266: if (editbrowser == null) {
267: url += 'launch=1&';
268: }
269: url += 'catalogmode=interactive&';
1.199 albertel 270: url += 'mode=$mode&';
1.42 matthew 271: url += 'form=' + formname + '&';
272: if (only != null) {
273: url += 'only=' + only + '&';
1.217 albertel 274: } else {
275: url += 'only=&';
276: }
1.42 matthew 277: if (omit != null) {
278: url += 'omit=' + omit + '&';
1.217 albertel 279: } else {
280: url += 'omit=&';
281: }
1.135 albertel 282: if (titleelement != null) {
283: url += 'titleelement=' + titleelement + '&';
1.217 albertel 284: } else {
285: url += 'titleelement=&';
286: }
1.42 matthew 287: url += 'element=' + elementname + '';
288: var title = 'Browser';
1.435 albertel 289: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 290: options += ',width=700,height=600';
291: editbrowser = open(url,title,options,'1');
292: editbrowser.focus();
293: }
294: var editsearcher;
1.135 albertel 295: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 296: var url = '/adm/searchcat?';
297: if (editsearcher == null) {
298: url += 'launch=1&';
299: }
300: url += 'catalogmode=interactive&';
1.199 albertel 301: url += 'mode=$mode&';
1.42 matthew 302: url += 'form=' + formname + '&';
1.135 albertel 303: if (titleelement != null) {
304: url += 'titleelement=' + titleelement + '&';
1.217 albertel 305: } else {
306: url += 'titleelement=&';
307: }
1.42 matthew 308: url += 'element=' + elementname + '';
309: var title = 'Search';
1.435 albertel 310: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 311: options += ',width=700,height=600';
312: editsearcher = open(url,title,options,'1');
313: editsearcher.focus();
314: }
1.219 albertel 315: // END LON-CAPA Internal -->
1.42 matthew 316: END
1.170 www 317: }
318:
319: sub lastresurl {
1.258 albertel 320: if ($env{'environment.lastresurl'}) {
321: return $env{'environment.lastresurl'}
1.170 www 322: } else {
323: return '/res';
324: }
325: }
326:
327: sub storeresurl {
328: my $resurl=&Apache::lonnet::clutter(shift);
329: unless ($resurl=~/^\/res/) { return 0; }
330: $resurl=~s/\/$//;
331: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
332: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
333: return 1;
1.42 matthew 334: }
335:
1.74 www 336: sub studentbrowser_javascript {
1.111 www 337: unless (
1.258 albertel 338: (($env{'request.course.id'}) &&
1.302 albertel 339: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
340: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
341: '/'.$env{'request.course.sec'})
342: ))
1.258 albertel 343: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 344: ) { return ''; }
1.74 www 345: return (<<'ENDSTDBRW');
346: <script type="text/javascript" language="Javascript" >
347: var stdeditbrowser;
1.111 www 348: function openstdbrowser(formname,uname,udom,roleflag) {
1.74 www 349: var url = '/adm/pickstudent?';
350: var filter;
351: eval('filter=document.'+formname+'.'+uname+'.value;');
352: if (filter != null) {
353: if (filter != '') {
354: url += 'filter='+filter+'&';
355: }
356: }
357: url += 'form=' + formname + '&unameelement='+uname+
358: '&udomelement='+udom;
1.111 www 359: if (roleflag) { url+="&roles=1"; }
1.102 www 360: var title = 'Student_Browser';
1.74 www 361: var options = 'scrollbars=1,resizable=1,menubar=0';
362: options += ',width=700,height=600';
363: stdeditbrowser = open(url,title,options,'1');
364: stdeditbrowser.focus();
365: }
366: </script>
367: ENDSTDBRW
368: }
1.42 matthew 369:
1.74 www 370: sub selectstudent_link {
1.111 www 371: my ($form,$unameele,$udomele)=@_;
1.258 albertel 372: if ($env{'request.course.id'}) {
1.302 albertel 373: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
374: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
375: '/'.$env{'request.course.sec'})) {
1.111 www 376: return '';
377: }
378: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 379: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 380: }
1.258 albertel 381: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 382: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 383: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 384: }
385: return '';
1.91 www 386: }
387:
388: sub coursebrowser_javascript {
1.468 raeburn 389: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 390: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
1.468 raeburn 391: my $output = '
1.91 www 392: <script type="text/javascript" language="Javascript" >
1.468 raeburn 393: var stdeditbrowser;'."\n";
394: $output .= <<"ENDSTDBRW";
1.377 raeburn 395: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 396: var url = '/adm/pickcourse?';
1.468 raeburn 397: var domainfilter = '';
398: var formid = getFormIdByName(formname);
399: if (formid > -1) {
400: var domid = getIndexByName(formid,udom);
401: if (domid > -1) {
402: if (document.forms[formid].elements[domid].type == 'select-one') {
403: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
404: }
405: if (document.forms[formid].elements[domid].type == 'hidden') {
406: domainfilter=document.forms[formid].elements[domid].value;
407: }
408: }
1.91 www 409: }
1.128 albertel 410: if (domainfilter != null) {
411: if (domainfilter != '') {
412: url += 'domainfilter='+domainfilter+'&';
413: }
414: }
1.91 www 415: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 416: '&cdomelement='+udom+
417: '&cnameelement='+desc;
1.468 raeburn 418: if (extra_element !=null && extra_element != '') {
419: if (formname == 'rolechoice') {
420: url += '&roleelement='+extra_element;
421: if (domainfilter == null || domainfilter == '') {
422: url += '&domainfilter='+extra_element;
423: }
1.234 raeburn 424: }
1.468 raeburn 425: else {
426: if (formname == 'portform') {
427: url += '&setroles='+extra_element;
428: }
429: }
1.230 raeburn 430: }
1.293 raeburn 431: if (multflag !=null && multflag != '') {
432: url += '&multiple='+multflag;
433: }
1.377 raeburn 434: if (crstype == 'Course/Group') {
435: if (formname == 'cu') {
436: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
437: if (crstype == "") {
438: alert("$crs_or_grp_alert");
439: return;
440: }
441: }
442: }
443: if (crstype !=null && crstype != '') {
444: url += '&type='+crstype;
445: }
1.102 www 446: var title = 'Course_Browser';
1.91 www 447: var options = 'scrollbars=1,resizable=1,menubar=0';
448: options += ',width=700,height=600';
449: stdeditbrowser = open(url,title,options,'1');
450: stdeditbrowser.focus();
451: }
1.468 raeburn 452:
453: function getFormIdByName(formname) {
454: for (var i=0;i<document.forms.length;i++) {
455: if (document.forms[i].name == formname) {
456: return i;
457: }
458: }
459: return -1;
460: }
461:
462: function getIndexByName(formid,item) {
463: for (var i=0;i<document.forms[formid].elements.length;i++) {
464: if (document.forms[formid].elements[i].name == item) {
465: return i;
466: }
467: }
468: return -1;
469: }
1.91 www 470: ENDSTDBRW
1.468 raeburn 471: if ($sec_element ne '') {
472: $output .= &setsec_javascript($sec_element,$formname);
473: }
474: $output .= '
475: </script>';
476: return $output;
477: }
478:
479: sub setsec_javascript {
480: my ($sec_element,$formname) = @_;
481: my $setsections = qq|
482: function setSect(sectionlist) {
483: var sectionsArray = sectionlist.split(",");
484: var numSections = sectionsArray.length;
485: document.$formname.$sec_element.length = 0;
486: if (numSections == 0) {
487: document.$formname.$sec_element.multiple=false;
488: document.$formname.$sec_element.size=1;
489: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
490: } else {
491: if (numSections == 1) {
492: document.$formname.$sec_element.multiple=false;
493: document.$formname.$sec_element.size=1;
494: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
495: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
496: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
497: } else {
498: for (var i=0; i<numSections; i++) {
499: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
500: }
501: document.$formname.$sec_element.multiple=true
502: if (numSections < 3) {
503: document.$formname.$sec_element.size=numSections;
504: } else {
505: document.$formname.$sec_element.size=3;
506: }
507: document.$formname.$sec_element.options[0].selected = false
508: }
509: }
1.91 www 510: }
1.468 raeburn 511: |;
512: return $setsections;
513: }
514:
1.91 www 515:
516: sub selectcourse_link {
1.377 raeburn 517: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 518: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
519: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 520: }
1.42 matthew 521:
1.273 raeburn 522: sub check_uncheck_jscript {
523: my $jscript = <<"ENDSCRT";
524: function checkAll(field) {
525: if (field.length > 0) {
526: for (i = 0; i < field.length; i++) {
527: field[i].checked = true ;
528: }
529: } else {
530: field.checked = true
531: }
532: }
533:
534: function uncheckAll(field) {
535: if (field.length > 0) {
536: for (i = 0; i < field.length; i++) {
537: field[i].checked = false ;
538: } } else {
539: field.checked = false ;
540: }
541: }
542: ENDSCRT
543: return $jscript;
544: }
545:
546:
1.42 matthew 547: =pod
1.36 matthew 548:
1.112 bowersj2 549: =item * linked_select_forms(...)
1.36 matthew 550:
551: linked_select_forms returns a string containing a <script></script> block
552: and html for two <select> menus. The select menus will be linked in that
553: changing the value of the first menu will result in new values being placed
554: in the second menu. The values in the select menu will appear in alphabetical
555: order.
556:
557: linked_select_forms takes the following ordered inputs:
558:
559: =over 4
560:
1.112 bowersj2 561: =item * $formname, the name of the <form> tag
1.36 matthew 562:
1.112 bowersj2 563: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 564:
1.112 bowersj2 565: =item * $firstdefault, the default value for the first menu
1.36 matthew 566:
1.112 bowersj2 567: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 568:
1.112 bowersj2 569: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 570:
1.112 bowersj2 571: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 572:
1.41 ng 573: =back
574:
1.36 matthew 575: Below is an example of such a hash. Only the 'text', 'default', and
576: 'select2' keys must appear as stated. keys(%menu) are the possible
577: values for the first select menu. The text that coincides with the
1.41 ng 578: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 579: and text for the second menu are given in the hash pointed to by
580: $menu{$choice1}->{'select2'}.
581:
1.112 bowersj2 582: my %menu = ( A1 => { text =>"Choice A1" ,
583: default => "B3",
584: select2 => {
585: B1 => "Choice B1",
586: B2 => "Choice B2",
587: B3 => "Choice B3",
588: B4 => "Choice B4"
589: }
590: },
591: A2 => { text =>"Choice A2" ,
592: default => "C2",
593: select2 => {
594: C1 => "Choice C1",
595: C2 => "Choice C2",
596: C3 => "Choice C3"
597: }
598: },
599: A3 => { text =>"Choice A3" ,
600: default => "D6",
601: select2 => {
602: D1 => "Choice D1",
603: D2 => "Choice D2",
604: D3 => "Choice D3",
605: D4 => "Choice D4",
606: D5 => "Choice D5",
607: D6 => "Choice D6",
608: D7 => "Choice D7"
609: }
610: }
611: );
1.36 matthew 612:
613: =cut
614:
615: sub linked_select_forms {
616: my ($formname,
617: $middletext,
618: $firstdefault,
619: $firstselectname,
620: $secondselectname,
621: $hashref
622: ) = @_;
623: my $second = "document.$formname.$secondselectname";
624: my $first = "document.$formname.$firstselectname";
625: # output the javascript to do the changing
626: my $result = '';
1.219 albertel 627: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 628: $result.="var select2data = new Object();\n";
629: $" = '","';
630: my $debug = '';
631: foreach my $s1 (sort(keys(%$hashref))) {
632: $result.="select2data.d_$s1 = new Object();\n";
633: $result.="select2data.d_$s1.def = new String('".
634: $hashref->{$s1}->{'default'}."');\n";
635: $result.="select2data.d_$s1.values = new Array(";
636: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
637: $result.="\"@s2values\");\n";
638: $result.="select2data.d_$s1.texts = new Array(";
639: my @s2texts;
640: foreach my $value (@s2values) {
641: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
642: }
643: $result.="\"@s2texts\");\n";
644: }
645: $"=' ';
646: $result.= <<"END";
647:
648: function select1_changed() {
649: // Determine new choice
650: var newvalue = "d_" + $first.value;
651: // update select2
652: var values = select2data[newvalue].values;
653: var texts = select2data[newvalue].texts;
654: var select2def = select2data[newvalue].def;
655: var i;
656: // out with the old
657: for (i = 0; i < $second.options.length; i++) {
658: $second.options[i] = null;
659: }
660: // in with the nuclear
661: for (i=0;i<values.length; i++) {
662: $second.options[i] = new Option(values[i]);
1.143 matthew 663: $second.options[i].value = values[i];
1.36 matthew 664: $second.options[i].text = texts[i];
665: if (values[i] == select2def) {
666: $second.options[i].selected = true;
667: }
668: }
669: }
670: </script>
671: END
672: # output the initial values for the selection lists
673: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
674: foreach my $value (sort(keys(%$hashref))) {
675: $result.=" <option value=\"$value\" ";
1.253 albertel 676: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 677: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 678: }
679: $result .= "</select>\n";
680: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
681: $result .= $middletext;
682: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
683: my $seconddefault = $hashref->{$firstdefault}->{'default'};
684: foreach my $value (sort(keys(%select2))) {
685: $result.=" <option value=\"$value\" ";
1.253 albertel 686: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 687: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 688: }
689: $result .= "</select>\n";
690: # return $debug;
691: return $result;
692: } # end of sub linked_select_forms {
693:
1.45 matthew 694: =pod
1.44 bowersj2 695:
1.112 bowersj2 696: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 697:
1.112 bowersj2 698: Returns a string corresponding to an HTML link to the given help
699: $topic, where $topic corresponds to the name of a .tex file in
700: /home/httpd/html/adm/help/tex, with underscores replaced by
701: spaces.
702:
703: $text will optionally be linked to the same topic, allowing you to
704: link text in addition to the graphic. If you do not want to link
705: text, but wish to specify one of the later parameters, pass an
706: empty string.
707:
708: $stayOnPage is a value that will be interpreted as a boolean. If true,
709: the link will not open a new window. If false, the link will open
710: a new window using Javascript. (Default is false.)
711:
712: $width and $height are optional numerical parameters that will
713: override the width and height of the popped up window, which may
714: be useful for certain help topics with big pictures included.
1.44 bowersj2 715:
716: =cut
717:
718: sub help_open_topic {
1.48 bowersj2 719: my ($topic, $text, $stayOnPage, $width, $height) = @_;
720: $text = "" if (not defined $text);
1.44 bowersj2 721: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 722: if ($env{'browser.interface'} eq 'textual' ||
723: $env{'environment.remote'} eq 'off' ) {
1.79 www 724: $stayOnPage=1;
725: }
1.44 bowersj2 726: $width = 350 if (not defined $width);
727: $height = 400 if (not defined $height);
728: my $filename = $topic;
729: $filename =~ s/ /_/g;
730:
1.48 bowersj2 731: my $template = "";
732: my $link;
1.159 www 733:
734: $topic=~s/\W/\_/g;
1.44 bowersj2 735:
736: if (!$stayOnPage)
737: {
1.72 bowersj2 738: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 739: }
740: else
741: {
1.48 bowersj2 742: $link = "/adm/help/${filename}.hlp";
743: }
744:
745: # Add the text
746: if ($text ne "")
747: {
1.77 www 748: $template .=
749: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 750: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 751: }
752:
753: # Add the graphic
1.179 matthew 754: my $title = &mt('Online Help');
1.215 albertel 755: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 756: $template .= <<"ENDTEMPLATE";
1.436 albertel 757: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 758: ENDTEMPLATE
1.78 www 759: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 760: return $template;
761:
1.106 bowersj2 762: }
763:
764: # This is a quicky function for Latex cheatsheet editing, since it
765: # appears in at least four places
766: sub helpLatexCheatsheet {
767: my $other = shift;
768: my $addOther = '';
769: if ($other) {
770: $addOther = Apache::loncommon::help_open_topic($other, shift,
771: undef, undef, 600) .
772: '</td><td>';
773: }
774: return '<table><tr><td>'.
775: $addOther .
776: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
777: undef,undef,600)
778: .'</td><td>'.
779: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
780: undef,undef,600)
781: .'</td></tr></table>';
1.172 www 782: }
783:
1.430 albertel 784: sub general_help {
785: my $helptopic='Student_Intro';
786: if ($env{'request.role'}=~/^(ca|au)/) {
787: $helptopic='Authoring_Intro';
788: } elsif ($env{'request.role'}=~/^cc/) {
789: $helptopic='Course_Coordination_Intro';
790: }
791: return $helptopic;
792: }
793:
794: sub update_help_link {
795: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
796: my $origurl = $ENV{'REQUEST_URI'};
797: $origurl=~s|^/~|/priv/|;
798: my $timestamp = time;
799: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
800: $$datum = &escape($$datum);
801: }
802:
803: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
804: my $output .= <<"ENDOUTPUT";
805: <script type="text/javascript">
806: banner_link = '$banner_link';
807: </script>
808: ENDOUTPUT
809: return $output;
810: }
811:
812: # now just updates the help link and generates a blue icon
1.193 raeburn 813: sub help_open_menu {
1.430 albertel 814: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
815: = @_;
816:
817: $stayOnPage = 0 if (not defined $stayOnPage);
818: if ($env{'browser.interface'} eq 'textual' ||
819: $env{'environment.remote'} eq 'off' ) {
820: $stayOnPage=1;
821: }
822: my $output;
823: if ($component_help) {
824: if (!$text) {
825: $output=&help_open_topic($component_help,undef,$stayOnPage,
826: $width,$height);
827: } else {
828: my $help_text;
829: $help_text=&unescape($topic);
830: $output='<table><tr><td>'.
831: &help_open_topic($component_help,$help_text,$stayOnPage,
832: $width,$height).'</td></tr></table>';
833: }
834: }
835: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
836: return $output.$banner_link;
837: }
838:
839: sub top_nav_help {
840: my ($text) = @_;
841:
1.436 albertel 842: $text = &mt($text);
843:
844: my $stayOnPage =
845: ($env{'browser.interface'} eq 'textual' ||
846: $env{'environment.remote'} eq 'off' );
847: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
848: : "javascript:helpMenu('open')";
849: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
850:
1.201 raeburn 851: my $title = &mt('Get help');
1.436 albertel 852:
853: return <<"END";
854: $banner_link
855: <a href="$link" title="$title">$text</a>
856: END
857: }
858:
859: sub help_menu_js {
860: my ($text) = @_;
861:
862: my $stayOnPage =
863: ($env{'browser.interface'} eq 'textual' ||
864: $env{'environment.remote'} eq 'off' );
865:
866: my $width = 620;
867: my $height = 600;
1.430 albertel 868: my $helptopic=&general_help();
869: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 870: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 871: my $start_page =
872: &Apache::loncommon::start_page('Help Menu', undef,
873: {'frameset' => 1,
874: 'js_ready' => 1,
875: 'add_entries' => {
876: 'border' => '0',
877: 'rows' => "105,*",},});
878: my $end_page =
879: &Apache::loncommon::end_page({'frameset' => 1,
880: 'js_ready' => 1,});
881:
1.436 albertel 882: my $template .= <<"ENDTEMPLATE";
883: <script type="text/javascript">
1.253 albertel 884: // <!-- BEGIN LON-CAPA Internal
885: // <![CDATA[
1.430 albertel 886: var banner_link = '';
1.243 raeburn 887: function helpMenu(target) {
888: var caller = this;
889: if (target == 'open') {
890: var newWindow = null;
891: try {
1.262 albertel 892: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 893: }
894: catch(error) {
895: writeHelp(caller);
896: return;
897: }
898: if (newWindow) {
899: caller = newWindow;
900: }
1.193 raeburn 901: }
1.243 raeburn 902: writeHelp(caller);
903: return;
904: }
905: function writeHelp(caller) {
1.430 albertel 906: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 907: caller.document.close()
908: caller.focus()
1.193 raeburn 909: }
1.253 albertel 910: // ]]>
1.219 albertel 911: // END LON-CAPA Internal -->
1.436 albertel 912: </script>
1.193 raeburn 913: ENDTEMPLATE
914: return $template;
915: }
916:
1.172 www 917: sub help_open_bug {
918: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 919: unless ($env{'user.adv'}) { return ''; }
1.172 www 920: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
921: $text = "" if (not defined $text);
922: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 923: if ($env{'browser.interface'} eq 'textual' ||
924: $env{'environment.remote'} eq 'off' ) {
1.172 www 925: $stayOnPage=1;
926: }
1.184 albertel 927: $width = 600 if (not defined $width);
928: $height = 600 if (not defined $height);
1.172 www 929:
930: $topic=~s/\W+/\+/g;
931: my $link='';
932: my $template='';
1.379 albertel 933: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
934: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 935: if (!$stayOnPage)
936: {
937: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
938: }
939: else
940: {
941: $link = $url;
942: }
943: # Add the text
944: if ($text ne "")
945: {
946: $template .=
947: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 948: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 949: }
950:
951: # Add the graphic
1.179 matthew 952: my $title = &mt('Report a Bug');
1.215 albertel 953: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 954: $template .= <<"ENDTEMPLATE";
1.436 albertel 955: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 956: ENDTEMPLATE
957: if ($text ne '') { $template.='</td></tr></table>' };
958: return $template;
959:
960: }
961:
962: sub help_open_faq {
963: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 964: unless ($env{'user.adv'}) { return ''; }
1.172 www 965: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
966: $text = "" if (not defined $text);
967: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 968: if ($env{'browser.interface'} eq 'textual' ||
969: $env{'environment.remote'} eq 'off' ) {
1.172 www 970: $stayOnPage=1;
971: }
972: $width = 350 if (not defined $width);
973: $height = 400 if (not defined $height);
974:
975: $topic=~s/\W+/\+/g;
976: my $link='';
977: my $template='';
978: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
979: if (!$stayOnPage)
980: {
981: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
982: }
983: else
984: {
985: $link = $url;
986: }
987:
988: # Add the text
989: if ($text ne "")
990: {
991: $template .=
1.173 www 992: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 993: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 994: }
995:
996: # Add the graphic
1.179 matthew 997: my $title = &mt('View the FAQ');
1.215 albertel 998: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 999: $template .= <<"ENDTEMPLATE";
1.436 albertel 1000: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 1001: ENDTEMPLATE
1002: if ($text ne '') { $template.='</td></tr></table>' };
1003: return $template;
1004:
1.44 bowersj2 1005: }
1.37 matthew 1006:
1.180 matthew 1007: ###############################################################
1008: ###############################################################
1009:
1.45 matthew 1010: =pod
1011:
1.256 matthew 1012: =item * change_content_javascript():
1013:
1014: This and the next function allow you to create small sections of an
1015: otherwise static HTML page that you can update on the fly with
1016: Javascript, even in Netscape 4.
1017:
1018: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1019: must be written to the HTML page once. It will prove the Javascript
1020: function "change(name, content)". Calling the change function with the
1021: name of the section
1022: you want to update, matching the name passed to C<changable_area>, and
1023: the new content you want to put in there, will put the content into
1024: that area.
1025:
1026: B<Note>: Netscape 4 only reserves enough space for the changable area
1027: to contain room for the original contents. You need to "make space"
1028: for whatever changes you wish to make, and be B<sure> to check your
1029: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1030: it's adequate for updating a one-line status display, but little more.
1031: This script will set the space to 100% width, so you only need to
1032: worry about height in Netscape 4.
1033:
1034: Modern browsers are much less limiting, and if you can commit to the
1035: user not using Netscape 4, this feature may be used freely with
1036: pretty much any HTML.
1037:
1038: =cut
1039:
1040: sub change_content_javascript {
1041: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1042: if ($env{'browser.type'} eq 'netscape' &&
1043: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1044: return (<<NETSCAPE4);
1045: function change(name, content) {
1046: doc = document.layers[name+"___escape"].layers[0].document;
1047: doc.open();
1048: doc.write(content);
1049: doc.close();
1050: }
1051: NETSCAPE4
1052: } else {
1053: # Otherwise, we need to use semi-standards-compliant code
1054: # (technically, "innerHTML" isn't standard but the equivalent
1055: # is really scary, and every useful browser supports it
1056: return (<<DOMBASED);
1057: function change(name, content) {
1058: element = document.getElementById(name);
1059: element.innerHTML = content;
1060: }
1061: DOMBASED
1062: }
1063: }
1064:
1065: =pod
1066:
1067: =item * changable_area($name, $origContent):
1068:
1069: This provides a "changable area" that can be modified on the fly via
1070: the Javascript code provided in C<change_content_javascript>. $name is
1071: the name you will use to reference the area later; do not repeat the
1072: same name on a given HTML page more then once. $origContent is what
1073: the area will originally contain, which can be left blank.
1074:
1075: =cut
1076:
1077: sub changable_area {
1078: my ($name, $origContent) = @_;
1079:
1.258 albertel 1080: if ($env{'browser.type'} eq 'netscape' &&
1081: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1082: # If this is netscape 4, we need to use the Layer tag
1083: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1084: } else {
1085: return "<span id='$name'>$origContent</span>";
1086: }
1087: }
1088:
1089: =pod
1090:
1091: =back
1092:
1093: =head1 Excel and CSV file utility routines
1094:
1095: =over 4
1096:
1097: =cut
1098:
1099: ###############################################################
1100: ###############################################################
1101:
1102: =pod
1103:
1.112 bowersj2 1104: =item * csv_translate($text)
1.37 matthew 1105:
1.185 www 1106: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1107: format.
1108:
1109: =cut
1110:
1.180 matthew 1111: ###############################################################
1112: ###############################################################
1.37 matthew 1113: sub csv_translate {
1114: my $text = shift;
1115: $text =~ s/\"/\"\"/g;
1.209 albertel 1116: $text =~ s/\n/ /g;
1.37 matthew 1117: return $text;
1118: }
1.180 matthew 1119:
1120: ###############################################################
1121: ###############################################################
1122:
1123: =pod
1124:
1125: =item * define_excel_formats
1126:
1127: Define some commonly used Excel cell formats.
1128:
1129: Currently supported formats:
1130:
1131: =over 4
1132:
1133: =item header
1134:
1135: =item bold
1136:
1137: =item h1
1138:
1139: =item h2
1140:
1141: =item h3
1142:
1.256 matthew 1143: =item h4
1144:
1145: =item i
1146:
1.180 matthew 1147: =item date
1148:
1149: =back
1150:
1151: Inputs: $workbook
1152:
1153: Returns: $format, a hash reference.
1154:
1155: =cut
1156:
1157: ###############################################################
1158: ###############################################################
1159: sub define_excel_formats {
1160: my ($workbook) = @_;
1161: my $format;
1162: $format->{'header'} = $workbook->add_format(bold => 1,
1163: bottom => 1,
1164: align => 'center');
1165: $format->{'bold'} = $workbook->add_format(bold=>1);
1166: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1167: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1168: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1169: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1170: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1171: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1172: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1173: return $format;
1174: }
1175:
1176: ###############################################################
1177: ###############################################################
1.113 bowersj2 1178:
1179: =pod
1180:
1.256 matthew 1181: =item * create_workbook
1.255 matthew 1182:
1183: Create an Excel worksheet. If it fails, output message on the
1184: request object and return undefs.
1185:
1186: Inputs: Apache request object
1187:
1188: Returns (undef) on failure,
1189: Excel worksheet object, scalar with filename, and formats
1190: from &Apache::loncommon::define_excel_formats on success
1191:
1192: =cut
1193:
1194: ###############################################################
1195: ###############################################################
1196: sub create_workbook {
1197: my ($r) = @_;
1198: #
1199: # Create the excel spreadsheet
1200: my $filename = '/prtspool/'.
1.258 albertel 1201: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1202: time.'_'.rand(1000000000).'.xls';
1203: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1204: if (! defined($workbook)) {
1205: $r->log_error("Error creating excel spreadsheet $filename: $!");
1206: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1207: "This error has been logged. ".
1208: "Please alert your LON-CAPA administrator").
1209: '</p>');
1210: return (undef);
1211: }
1212: #
1213: $workbook->set_tempdir('/home/httpd/perl/tmp');
1214: #
1215: my $format = &Apache::loncommon::define_excel_formats($workbook);
1216: return ($workbook,$filename,$format);
1217: }
1218:
1219: ###############################################################
1220: ###############################################################
1221:
1222: =pod
1223:
1.256 matthew 1224: =item * create_text_file
1.113 bowersj2 1225:
1.256 matthew 1226: Create a file to write to and eventually make available to the usre.
1227: If file creation fails, outputs an error message on the request object and
1228: return undefs.
1.113 bowersj2 1229:
1.256 matthew 1230: Inputs: Apache request object, and file suffix
1.113 bowersj2 1231:
1.256 matthew 1232: Returns (undef) on failure,
1233: Filehandle and filename on success.
1.113 bowersj2 1234:
1235: =cut
1236:
1.256 matthew 1237: ###############################################################
1238: ###############################################################
1239: sub create_text_file {
1240: my ($r,$suffix) = @_;
1241: if (! defined($suffix)) { $suffix = 'txt'; };
1242: my $fh;
1243: my $filename = '/prtspool/'.
1.258 albertel 1244: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1245: time.'_'.rand(1000000000).'.'.$suffix;
1246: $fh = Apache::File->new('>/home/httpd'.$filename);
1247: if (! defined($fh)) {
1248: $r->log_error("Couldn't open $filename for output $!");
1249: $r->print("Problems occured in creating the output file. ".
1250: "This error has been logged. ".
1251: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1252: }
1.256 matthew 1253: return ($fh,$filename)
1.113 bowersj2 1254: }
1255:
1256:
1.256 matthew 1257: =pod
1.113 bowersj2 1258:
1259: =back
1260:
1261: =cut
1.37 matthew 1262:
1263: ###############################################################
1.33 matthew 1264: ## Home server <option> list generating code ##
1265: ###############################################################
1.35 matthew 1266:
1.45 matthew 1267: =pod
1268:
1.112 bowersj2 1269: =head1 Home Server option list generating code
1270:
1271: =over 4
1272:
1273: =item * get_domains()
1.35 matthew 1274:
1275: Returns an array containing each of the domains listed in the hosts.tab
1276: file.
1277:
1278: =cut
1279:
1280: #-------------------------------------------
1.34 matthew 1281: sub get_domains {
1282: # The code below was stolen from "The Perl Cookbook", p 102, 1st ed.
1283: my @domains;
1284: my %seen;
1.356 albertel 1285: foreach my $dom (sort(values(%Apache::lonnet::hostdom))) {
1286: push(@domains,$dom) unless $seen{$dom}++;
1.34 matthew 1287: }
1288: return @domains;
1289: }
1.88 www 1290:
1.169 www 1291: # ------------------------------------------
1292:
1293: sub domain_select {
1294: my ($name,$value,$multiple)=@_;
1295: my %domains=map {
1296: $_ => $_.' '.$Apache::lonnet::domaindescription{$_}
1297: } &get_domains;
1298: if ($multiple) {
1299: $domains{''}=&mt('Any domain');
1.287 albertel 1300: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1301: } else {
1302: return &select_form($name,$value,%domains);
1303: }
1304: }
1305:
1.282 albertel 1306: #-------------------------------------------
1307:
1308: =pod
1309:
1.287 albertel 1310: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1311:
1312: Returns a string containing a <select> element int multiple mode
1313:
1314:
1315: Args:
1316: $name - name of the <select> element
1317: $value - sclara or array ref of values that should already be selected
1318: $size - number of rows long the select element is
1.283 albertel 1319: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1320: (shown text should already have been &mt())
1.284 albertel 1321: $order - (optional) array ref of the order to show the elments in
1.283 albertel 1322:
1.282 albertel 1323: =cut
1324:
1325: #-------------------------------------------
1.169 www 1326: sub multiple_select_form {
1.284 albertel 1327: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1328: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1329: my $output='';
1.191 matthew 1330: if (! defined($size)) {
1331: $size = 4;
1.283 albertel 1332: if (scalar(keys(%$hash))<4) {
1333: $size = scalar(keys(%$hash));
1.191 matthew 1334: }
1335: }
1.169 www 1336: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.286 banghart 1337: my @order = ref($order) ? @$order
1.284 albertel 1338: : sort(keys(%$hash));
1339: foreach my $key (@order) {
1.356 albertel 1340: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1341: $output.='selected="selected" ' if ($selected{$key});
1342: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1343: }
1344: $output.="</select>\n";
1345: return $output;
1346: }
1347:
1.88 www 1348: #-------------------------------------------
1349:
1350: =pod
1351:
1.112 bowersj2 1352: =item * select_form($defdom,$name,%hash)
1.88 www 1353:
1354: Returns a string containing a <select name='$name' size='1'> form to
1355: allow a user to select options from a hash option_name => displayed text.
1356: See lonrights.pm for an example invocation and use.
1357:
1358: =cut
1359:
1360: #-------------------------------------------
1361: sub select_form {
1362: my ($def,$name,%hash) = @_;
1363: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1364: my @keys;
1365: if (exists($hash{'select_form_order'})) {
1366: @keys=@{$hash{'select_form_order'}};
1367: } else {
1368: @keys=sort(keys(%hash));
1369: }
1.356 albertel 1370: foreach my $key (@keys) {
1371: $selectform.=
1372: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1373: ($key eq $def ? 'selected="selected" ' : '').
1374: ">".&mt($hash{$key})."</option>\n";
1.88 www 1375: }
1376: $selectform.="</select>";
1377: return $selectform;
1378: }
1379:
1.475 www 1380: # For display filters
1381:
1382: sub display_filter {
1383: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1384: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1385: return '<nobr><label>'.&mt('Records [_1]',
1386: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1387: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1388: '</label></nobr> <nobr>'.
1.475 www 1389: &mt('Filter [_1]',
1.477 www 1390: &select_form($env{'form.displayfilter'},
1391: 'displayfilter',
1392: ('currentfolder' => 'Current folder/page',
1393: 'containing' => 'Containing phrase',
1394: 'none' => 'None'))).
1.478 www 1395: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1396: }
1397:
1.167 www 1398: sub gradeleveldescription {
1399: my $gradelevel=shift;
1400: my %gradelevels=(0 => 'Not specified',
1401: 1 => 'Grade 1',
1402: 2 => 'Grade 2',
1403: 3 => 'Grade 3',
1404: 4 => 'Grade 4',
1405: 5 => 'Grade 5',
1406: 6 => 'Grade 6',
1407: 7 => 'Grade 7',
1408: 8 => 'Grade 8',
1409: 9 => 'Grade 9',
1410: 10 => 'Grade 10',
1411: 11 => 'Grade 11',
1412: 12 => 'Grade 12',
1413: 13 => 'Grade 13',
1414: 14 => '100 Level',
1415: 15 => '200 Level',
1416: 16 => '300 Level',
1417: 17 => '400 Level',
1418: 18 => 'Graduate Level');
1419: return &mt($gradelevels{$gradelevel});
1420: }
1421:
1.163 www 1422: sub select_level_form {
1423: my ($deflevel,$name)=@_;
1424: unless ($deflevel) { $deflevel=0; }
1.167 www 1425: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1426: for (my $i=0; $i<=18; $i++) {
1427: $selectform.="<option value=\"$i\" ".
1.253 albertel 1428: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1429: ">".&gradeleveldescription($i)."</option>\n";
1430: }
1431: $selectform.="</select>";
1432: return $selectform;
1.163 www 1433: }
1.167 www 1434:
1.35 matthew 1435: #-------------------------------------------
1436:
1.45 matthew 1437: =pod
1438:
1.112 bowersj2 1439: =item * select_dom_form($defdom,$name,$includeempty)
1.35 matthew 1440:
1441: Returns a string containing a <select name='$name' size='1'> form to
1442: allow a user to select the domain to preform an operation in.
1443: See loncreateuser.pm for an example invocation and use.
1444:
1.90 www 1445: If the $includeempty flag is set, it also includes an empty choice ("no domain
1446: selected");
1447:
1.35 matthew 1448: =cut
1449:
1450: #-------------------------------------------
1.34 matthew 1451: sub select_dom_form {
1.90 www 1452: my ($defdom,$name,$includeempty) = @_;
1.34 matthew 1453: my @domains = get_domains();
1.90 www 1454: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1455: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1456: foreach my $dom (@domains) {
1457: $selectdomain.="<option value=\"$dom\" ".
1458: ($dom eq $defdom ? 'selected="selected" ' : '').
1459: ">$dom</option>\n";
1.34 matthew 1460: }
1461: $selectdomain.="</select>";
1462: return $selectdomain;
1463: }
1464:
1.35 matthew 1465: #-------------------------------------------
1466:
1.45 matthew 1467: =pod
1468:
1.112 bowersj2 1469: =item * get_library_servers($domain)
1.35 matthew 1470:
1471: Returns a hash which contains keys like '103l3' and values like
1472: 'kirk.lite.msu.edu'. All of the keys will be for machines in the
1473: given $domain.
1474:
1475: =cut
1476:
1477: #-------------------------------------------
1.52 matthew 1478: sub get_library_servers {
1.33 matthew 1479: my $domain = shift;
1.52 matthew 1480: my %library_servers;
1.356 albertel 1481: foreach my $hostid (keys(%Apache::lonnet::libserv)) {
1482: if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
1483: $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
1.33 matthew 1484: }
1485: }
1.52 matthew 1486: return %library_servers;
1.33 matthew 1487: }
1488:
1.35 matthew 1489: #-------------------------------------------
1490:
1.45 matthew 1491: =pod
1492:
1.112 bowersj2 1493: =item * home_server_option_list($domain)
1.35 matthew 1494:
1495: returns a string which contains an <option> list to be used in a
1496: <select> form input. See loncreateuser.pm for an example.
1497:
1498: =cut
1499:
1500: #-------------------------------------------
1.33 matthew 1501: sub home_server_option_list {
1502: my $domain = shift;
1.52 matthew 1503: my %servers = &get_library_servers($domain);
1.33 matthew 1504: my $result = '';
1.356 albertel 1505: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1506: $result.=
1.356 albertel 1507: '<option value="'.$hostid.'">'.
1508: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1509: }
1510: return $result;
1511: }
1.112 bowersj2 1512:
1513: =pod
1514:
1515: =back
1516:
1517: =cut
1.87 matthew 1518:
1519: ###############################################################
1.112 bowersj2 1520: ## Decoding User Agent ##
1.87 matthew 1521: ###############################################################
1522:
1523: =pod
1524:
1.112 bowersj2 1525: =head1 Decoding the User Agent
1526:
1527: =over 4
1528:
1529: =item * &decode_user_agent()
1.87 matthew 1530:
1531: Inputs: $r
1532:
1533: Outputs:
1534:
1535: =over 4
1536:
1.112 bowersj2 1537: =item * $httpbrowser
1.87 matthew 1538:
1.112 bowersj2 1539: =item * $clientbrowser
1.87 matthew 1540:
1.112 bowersj2 1541: =item * $clientversion
1.87 matthew 1542:
1.112 bowersj2 1543: =item * $clientmathml
1.87 matthew 1544:
1.112 bowersj2 1545: =item * $clientunicode
1.87 matthew 1546:
1.112 bowersj2 1547: =item * $clientos
1.87 matthew 1548:
1549: =back
1550:
1.157 matthew 1551: =back
1552:
1.87 matthew 1553: =cut
1554:
1555: ###############################################################
1556: ###############################################################
1557: sub decode_user_agent {
1.247 albertel 1558: my ($r)=@_;
1.87 matthew 1559: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1560: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1561: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1562: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1563: my $clientbrowser='unknown';
1564: my $clientversion='0';
1565: my $clientmathml='';
1566: my $clientunicode='0';
1567: for (my $i=0;$i<=$#browsertype;$i++) {
1568: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1569: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1570: $clientbrowser=$bname;
1571: $httpbrowser=~/$vreg/i;
1572: $clientversion=$1;
1573: $clientmathml=($clientversion>=$minv);
1574: $clientunicode=($clientversion>=$univ);
1575: }
1576: }
1577: my $clientos='unknown';
1578: if (($httpbrowser=~/linux/i) ||
1579: ($httpbrowser=~/unix/i) ||
1580: ($httpbrowser=~/ux/i) ||
1581: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1582: if (($httpbrowser=~/vax/i) ||
1583: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1584: if ($httpbrowser=~/next/i) { $clientos='next'; }
1585: if (($httpbrowser=~/mac/i) ||
1586: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1587: if ($httpbrowser=~/win/i) { $clientos='win'; }
1588: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1589: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1590: $clientunicode,$clientos,);
1591: }
1592:
1.32 matthew 1593: ###############################################################
1594: ## Authentication changing form generation subroutines ##
1595: ###############################################################
1596: ##
1597: ## All of the authform_xxxxxxx subroutines take their inputs in a
1598: ## hash, and have reasonable default values.
1599: ##
1600: ## formname = the name given in the <form> tag.
1.35 matthew 1601: #-------------------------------------------
1602:
1.45 matthew 1603: =pod
1604:
1.112 bowersj2 1605: =head1 Authentication Routines
1606:
1607: =over 4
1608:
1609: =item * authform_xxxxxx
1.35 matthew 1610:
1611: The authform_xxxxxx subroutines provide javascript and html forms which
1612: handle some of the conveniences required for authentication forms.
1613: This is not an optimal method, but it works.
1614:
1615: See loncreateuser.pm for invocation and use examples.
1616:
1617: =over 4
1618:
1.112 bowersj2 1619: =item * authform_header
1.35 matthew 1620:
1.112 bowersj2 1621: =item * authform_authorwarning
1.35 matthew 1622:
1.112 bowersj2 1623: =item * authform_nochange
1.35 matthew 1624:
1.112 bowersj2 1625: =item * authform_kerberos
1.35 matthew 1626:
1.112 bowersj2 1627: =item * authform_internal
1.35 matthew 1628:
1.112 bowersj2 1629: =item * authform_filesystem
1.35 matthew 1630:
1631: =back
1632:
1.157 matthew 1633: =back
1634:
1.35 matthew 1635: =cut
1636:
1637: #-------------------------------------------
1.32 matthew 1638: sub authform_header{
1639: my %in = (
1640: formname => 'cu',
1.80 albertel 1641: kerb_def_dom => '',
1.32 matthew 1642: @_,
1643: );
1644: $in{'formname'} = 'document.' . $in{'formname'};
1645: my $result='';
1.80 albertel 1646:
1647: #---------------------------------------------- Code for upper case translation
1648: my $Javascript_toUpperCase;
1649: unless ($in{kerb_def_dom}) {
1650: $Javascript_toUpperCase =<<"END";
1651: switch (choice) {
1652: case 'krb': currentform.elements[choicearg].value =
1653: currentform.elements[choicearg].value.toUpperCase();
1654: break;
1655: default:
1656: }
1657: END
1658: } else {
1659: $Javascript_toUpperCase = "";
1660: }
1661:
1.165 raeburn 1662: my $radioval = "'nochange'";
1.174 matthew 1663: if (exists($in{'curr_authtype'}) &&
1664: defined($in{'curr_authtype'}) &&
1665: $in{'curr_authtype'} ne '') {
1666: $radioval = "'$in{'curr_authtype'}arg'";
1667: }
1.165 raeburn 1668: my $argfield = 'null';
1669: if ( grep/^mode$/,(keys %in) ) {
1670: if ($in{'mode'} eq 'modifycourse') {
1671: if ( grep/^curr_authtype$/,(keys %in) ) {
1672: $radioval = "'$in{'curr_authtype'}'";
1673: }
1674: if ( grep/^curr_autharg$/,(keys %in) ) {
1675: unless ($in{'curr_autharg'} eq '') {
1676: $argfield = "'$in{'curr_autharg'}'";
1677: }
1678: }
1679: }
1680: }
1681:
1.32 matthew 1682: $result.=<<"END";
1683: var current = new Object();
1.165 raeburn 1684: current.radiovalue = $radioval;
1685: current.argfield = $argfield;
1.32 matthew 1686:
1687: function changed_radio(choice,currentform) {
1688: var choicearg = choice + 'arg';
1689: // If a radio button in changed, we need to change the argfield
1690: if (current.radiovalue != choice) {
1691: current.radiovalue = choice;
1692: if (current.argfield != null) {
1693: currentform.elements[current.argfield].value = '';
1694: }
1695: if (choice == 'nochange') {
1696: current.argfield = null;
1697: } else {
1698: current.argfield = choicearg;
1699: switch(choice) {
1700: case 'krb':
1701: currentform.elements[current.argfield].value =
1702: "$in{'kerb_def_dom'}";
1703: break;
1704: default:
1705: break;
1706: }
1707: }
1708: }
1709: return;
1710: }
1.22 www 1711:
1.32 matthew 1712: function changed_text(choice,currentform) {
1713: var choicearg = choice + 'arg';
1714: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1715: $Javascript_toUpperCase
1.32 matthew 1716: // clear old field
1717: if ((current.argfield != choicearg) && (current.argfield != null)) {
1718: currentform.elements[current.argfield].value = '';
1719: }
1720: current.argfield = choicearg;
1721: }
1722: set_auth_radio_buttons(choice,currentform);
1723: return;
1.20 www 1724: }
1.32 matthew 1725:
1726: function set_auth_radio_buttons(newvalue,currentform) {
1727: var i=0;
1728: while (i < currentform.login.length) {
1729: if (currentform.login[i].value == newvalue) { break; }
1730: i++;
1731: }
1732: if (i == currentform.login.length) {
1733: return;
1734: }
1735: current.radiovalue = newvalue;
1736: currentform.login[i].checked = true;
1737: return;
1738: }
1739: END
1740: return $result;
1741: }
1742:
1743: sub authform_authorwarning{
1744: my $result='';
1.144 matthew 1745: $result='<i>'.
1746: &mt('As a general rule, only authors or co-authors should be '.
1747: 'filesystem authenticated '.
1748: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1749: return $result;
1750: }
1751:
1752: sub authform_nochange{
1753: my %in = (
1754: formname => 'document.cu',
1755: kerb_def_dom => 'MSU.EDU',
1756: @_,
1757: );
1.281 albertel 1758: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1759: '<input type="radio" name="login" value="nochange" '.
1760: 'checked="checked" onclick="'.
1.281 albertel 1761: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1762: '</label>';
1.32 matthew 1763: return $result;
1764: }
1765:
1766: sub authform_kerberos{
1767: my %in = (
1768: formname => 'document.cu',
1769: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1770: kerb_def_auth => 'krb4',
1.32 matthew 1771: @_,
1772: );
1.165 raeburn 1773: my ($check4,$check5,$krbarg);
1.80 albertel 1774: if ($in{'kerb_def_auth'} eq 'krb5') {
1775: $check5 = " checked=\"on\"";
1776: } else {
1777: $check4 = " checked=\"on\"";
1778: }
1.165 raeburn 1779: $krbarg = $in{'kerb_def_dom'};
1780:
1781: my $krbcheck = "";
1782: if ( grep/^curr_authtype$/,(keys %in) ) {
1783: if ($in{'curr_authtype'} =~ m/^krb/) {
1784: $krbcheck = " checked=\"on\"";
1785: if ( grep/^curr_autharg$/,(keys %in) ) {
1786: $krbarg = $in{'curr_autharg'};
1787: }
1788: }
1789: }
1790:
1.144 matthew 1791: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1792: my $result .= &mt
1793: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1794: '[_3] Version 4 [_4] Version 5 [_5]',
1795: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1796: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1797: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1798: 'value="'.$krbarg.'" '.
1.144 matthew 1799: 'onchange="'.$jscall.'" />',
1.281 albertel 1800: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1801: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1802: '</label>');
1.32 matthew 1803: return $result;
1804: }
1805:
1806: sub authform_internal{
1807: my %args = (
1808: formname => 'document.cu',
1809: kerb_def_dom => 'MSU.EDU',
1810: @_,
1811: );
1.165 raeburn 1812:
1813: my $intcheck = "";
1814: my $intarg = 'value=""';
1815: if ( grep/^curr_authtype$/,(keys %args) ) {
1816: if ($args{'curr_authtype'} eq 'int') {
1817: $intcheck = " checked=\"on\"";
1818: if ( grep/^curr_autharg$/,(keys %args) ) {
1819: $intarg = "value=\"$args{'curr_autharg'}\"";
1820: }
1821: }
1822: }
1823:
1.144 matthew 1824: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1825: my $result.=&mt
1826: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1827: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1828: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1829: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1830: ' onchange="'.$jscall.'" />');
1.32 matthew 1831: return $result;
1832: }
1833:
1834: sub authform_local{
1835: my %in = (
1836: formname => 'document.cu',
1837: kerb_def_dom => 'MSU.EDU',
1838: @_,
1839: );
1.165 raeburn 1840:
1841: my $loccheck = "";
1842: my $locarg = 'value=""';
1843: if ( grep/^curr_authtype$/,(keys %in) ) {
1844: if ($in{'curr_authtype'} eq 'loc') {
1845: $loccheck = " checked=\"on\"";
1846: if ( grep/^curr_autharg$/,(keys %in) ) {
1847: $locarg = "value=\"$in{'curr_autharg'}\"";
1848: }
1849: }
1850: }
1851:
1.144 matthew 1852: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1853: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1854: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1855: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1856: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1857: ' onchange="'.$jscall.'" />');
1.32 matthew 1858: return $result;
1859: }
1860:
1861: sub authform_filesystem{
1862: my %in = (
1863: formname => 'document.cu',
1864: kerb_def_dom => 'MSU.EDU',
1865: @_,
1866: );
1.144 matthew 1867: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1868: my $result.= &mt
1869: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1870: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1871: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1872: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1873: 'onchange="'.$jscall.'" />');
1.32 matthew 1874: return $result;
1875: }
1876:
1.80 albertel 1877: ###############################################################
1878: ## Get Authentication Defaults for Domain ##
1879: ###############################################################
1880:
1881: =pod
1882:
1.112 bowersj2 1883: =head1 Domains and Authentication
1884:
1885: Returns default authentication type and an associated argument as
1886: listed in file 'domain.tab'.
1887:
1888: =over 4
1889:
1890: =item * get_auth_defaults
1.80 albertel 1891:
1892: get_auth_defaults($target_domain) returns the default authentication
1893: type and an associated argument (initial password or a kerberos domain).
1894: These values are stored in lonTabs/domain.tab
1895:
1896: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1897:
1898: If target_domain is not found in domain.tab, returns nothing ('').
1899:
1900: =cut
1901:
1902: #-------------------------------------------
1903: sub get_auth_defaults {
1904: my $domain=shift;
1905: return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
1906: }
1907: ###############################################################
1908: ## End Get Authentication Defaults for Domain ##
1909: ###############################################################
1910:
1911: ###############################################################
1912: ## Get Kerberos Defaults for Domain ##
1913: ###############################################################
1914: ##
1915: ## Returns default kerberos version and an associated argument
1916: ## as listed in file domain.tab. If not listed, provides
1917: ## appropriate default domain and kerberos version.
1918: ##
1919: #-------------------------------------------
1920:
1921: =pod
1922:
1.112 bowersj2 1923: =item * get_kerberos_defaults
1.80 albertel 1924:
1925: get_kerberos_defaults($target_domain) returns the default kerberos
1926: version and domain. If not found in domain.tabs, it defaults to
1927: version 4 and the domain of the server.
1928:
1929: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1930:
1931: =cut
1932:
1933: #-------------------------------------------
1934: sub get_kerberos_defaults {
1935: my $domain=shift;
1936: my ($krbdef,$krbdefdom) =
1937: &Apache::loncommon::get_auth_defaults($domain);
1938: unless ($krbdef =~/^krb/ && $krbdefdom) {
1939: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1940: my $krbdefdom=$1;
1941: $krbdefdom=~tr/a-z/A-Z/;
1942: $krbdef = "krb4";
1943: }
1944: return ($krbdef,$krbdefdom);
1945: }
1.112 bowersj2 1946:
1947: =pod
1948:
1949: =back
1950:
1951: =cut
1.32 matthew 1952:
1.46 matthew 1953: ###############################################################
1954: ## Thesaurus Functions ##
1955: ###############################################################
1.20 www 1956:
1.46 matthew 1957: =pod
1.20 www 1958:
1.112 bowersj2 1959: =head1 Thesaurus Functions
1960:
1961: =over 4
1962:
1963: =item * initialize_keywords
1.46 matthew 1964:
1965: Initializes the package variable %Keywords if it is empty. Uses the
1966: package variable $thesaurus_db_file.
1967:
1968: =cut
1969:
1970: ###################################################
1971:
1972: sub initialize_keywords {
1973: return 1 if (scalar keys(%Keywords));
1974: # If we are here, %Keywords is empty, so fill it up
1975: # Make sure the file we need exists...
1976: if (! -e $thesaurus_db_file) {
1977: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1978: " failed because it does not exist");
1979: return 0;
1980: }
1981: # Set up the hash as a database
1982: my %thesaurus_db;
1983: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1984: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1985: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1986: $thesaurus_db_file);
1987: return 0;
1988: }
1989: # Get the average number of appearances of a word.
1990: my $avecount = $thesaurus_db{'average.count'};
1991: # Put keywords (those that appear > average) into %Keywords
1992: while (my ($word,$data)=each (%thesaurus_db)) {
1993: my ($count,undef) = split /:/,$data;
1994: $Keywords{$word}++ if ($count > $avecount);
1995: }
1996: untie %thesaurus_db;
1997: # Remove special values from %Keywords.
1.356 albertel 1998: foreach my $value ('total.count','average.count') {
1999: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 2000: }
2001: return 1;
2002: }
2003:
2004: ###################################################
2005:
2006: =pod
2007:
1.112 bowersj2 2008: =item * keyword($word)
1.46 matthew 2009:
2010: Returns true if $word is a keyword. A keyword is a word that appears more
2011: than the average number of times in the thesaurus database. Calls
2012: &initialize_keywords
2013:
2014: =cut
2015:
2016: ###################################################
1.20 www 2017:
2018: sub keyword {
1.46 matthew 2019: return if (!&initialize_keywords());
2020: my $word=lc(shift());
2021: $word=~s/\W//g;
2022: return exists($Keywords{$word});
1.20 www 2023: }
1.46 matthew 2024:
2025: ###############################################################
2026:
2027: =pod
1.20 www 2028:
1.112 bowersj2 2029: =item * get_related_words
1.46 matthew 2030:
1.160 matthew 2031: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2032: an array of words. If the keyword is not in the thesaurus, an empty array
2033: will be returned. The order of the words returned is determined by the
2034: database which holds them.
2035:
2036: Uses global $thesaurus_db_file.
2037:
2038: =cut
2039:
2040: ###############################################################
2041: sub get_related_words {
2042: my $keyword = shift;
2043: my %thesaurus_db;
2044: if (! -e $thesaurus_db_file) {
2045: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2046: "failed because the file does not exist");
2047: return ();
2048: }
2049: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2050: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2051: return ();
2052: }
2053: my @Words=();
1.429 www 2054: my $count=0;
1.46 matthew 2055: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2056: # The first element is the number of times
2057: # the word appears. We do not need it now.
1.429 www 2058: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2059: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2060: my $threshold=$mostfrequentcount/10;
2061: foreach my $possibleword (@RelatedWords) {
2062: my ($word,$wordcount)=split(/\,/,$possibleword);
2063: if ($wordcount>$threshold) {
2064: push(@Words,$word);
2065: $count++;
2066: if ($count>10) { last; }
2067: }
1.20 www 2068: }
2069: }
1.46 matthew 2070: untie %thesaurus_db;
2071: return @Words;
1.14 harris41 2072: }
1.46 matthew 2073:
1.112 bowersj2 2074: =pod
2075:
2076: =back
2077:
2078: =cut
1.61 www 2079:
2080: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2081: =pod
2082:
1.112 bowersj2 2083: =head1 User Name Functions
2084:
2085: =over 4
2086:
1.226 albertel 2087: =item * plainname($uname,$udom,$first)
1.81 albertel 2088:
1.112 bowersj2 2089: Takes a users logon name and returns it as a string in
1.226 albertel 2090: "first middle last generation" form
2091: if $first is set to 'lastname' then it returns it as
2092: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2093:
2094: =cut
1.61 www 2095:
1.295 www 2096:
1.81 albertel 2097: ###############################################################
1.61 www 2098: sub plainname {
1.226 albertel 2099: my ($uname,$udom,$first)=@_;
1.295 www 2100: my %names=&getnames($uname,$udom);
1.226 albertel 2101: my $name=&Apache::lonnet::format_name($names{'firstname'},
2102: $names{'middlename'},
2103: $names{'lastname'},
2104: $names{'generation'},$first);
2105: $name=~s/^\s+//;
1.62 www 2106: $name=~s/\s+$//;
2107: $name=~s/\s+/ /g;
1.353 albertel 2108: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2109: return $name;
1.61 www 2110: }
1.66 www 2111:
2112: # -------------------------------------------------------------------- Nickname
1.81 albertel 2113: =pod
2114:
1.112 bowersj2 2115: =item * nickname($uname,$udom)
1.81 albertel 2116:
2117: Gets a users name and returns it as a string as
2118:
2119: ""nickname""
1.66 www 2120:
1.81 albertel 2121: if the user has a nickname or
2122:
2123: "first middle last generation"
2124:
2125: if the user does not
2126:
2127: =cut
1.66 www 2128:
2129: sub nickname {
2130: my ($uname,$udom)=@_;
1.295 www 2131: my %names=&getnames($uname,$udom);
1.68 albertel 2132: my $name=$names{'nickname'};
1.66 www 2133: if ($name) {
2134: $name='"'.$name.'"';
2135: } else {
2136: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2137: $names{'lastname'}.' '.$names{'generation'};
2138: $name=~s/\s+$//;
2139: $name=~s/\s+/ /g;
2140: }
2141: return $name;
2142: }
2143:
1.295 www 2144: sub getnames {
2145: my ($uname,$udom)=@_;
1.433 albertel 2146: if ($udom eq 'public' && $uname eq 'public') {
2147: return ('lastname' => &mt('Public'));
2148: }
1.295 www 2149: my $id=$uname.':'.$udom;
2150: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2151: if ($cached) {
2152: return %{$names};
2153: } else {
2154: my %loadnames=&Apache::lonnet::get('environment',
2155: ['firstname','middlename','lastname','generation','nickname'],
2156: $udom,$uname);
2157: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2158: return %loadnames;
2159: }
2160: }
1.61 www 2161:
1.466 albertel 2162: sub getemails {
2163: my ($uname,$udom)=@_;
2164: if ($udom eq 'public' && $uname eq 'public') {
2165: return;
2166: }
1.467 www 2167: if (!$udom) { $udom=$env{'user.domain'}; }
2168: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2169: my $id=$uname.':'.$udom;
2170: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2171: if ($cached) {
2172: return %{$names};
2173: } else {
2174: my %loadnames=&Apache::lonnet::get('environment',
2175: ['notification','critnotification',
2176: 'permanentemail'],
2177: $udom,$uname);
2178: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2179: return %loadnames;
2180: }
2181: }
2182:
1.61 www 2183: # ------------------------------------------------------------------ Screenname
1.81 albertel 2184:
2185: =pod
2186:
1.112 bowersj2 2187: =item * screenname($uname,$udom)
1.81 albertel 2188:
2189: Gets a users screenname and returns it as a string
2190:
2191: =cut
1.61 www 2192:
2193: sub screenname {
2194: my ($uname,$udom)=@_;
1.258 albertel 2195: if ($uname eq $env{'user.name'} &&
2196: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2197: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2198: return $names{'screenname'};
1.62 www 2199: }
2200:
1.212 albertel 2201:
1.62 www 2202: # ------------------------------------------------------------- Message Wrapper
2203:
2204: sub messagewrapper {
1.369 www 2205: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2206: return
1.441 albertel 2207: '<a href="/adm/email?compose=individual&'.
2208: 'recname='.$username.'&recdom='.$domain.
2209: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2210: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2211: }
2212: # --------------------------------------------------------------- Notes Wrapper
2213:
2214: sub noteswrapper {
2215: my ($link,$un,$do)=@_;
2216: return
2217: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2218: }
2219: # ------------------------------------------------------------- Aboutme Wrapper
2220:
2221: sub aboutmewrapper {
1.166 www 2222: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2223: if (!defined($username) && !defined($domain)) {
2224: return;
2225: }
1.205 www 2226: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2227: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2228: }
2229:
2230: # ------------------------------------------------------------ Syllabus Wrapper
2231:
2232:
2233: sub syllabuswrapper {
1.109 matthew 2234: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2235: if ($fontcolor) {
2236: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2237: }
1.208 matthew 2238: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2239: }
1.14 harris41 2240:
1.208 matthew 2241: sub track_student_link {
1.268 albertel 2242: my ($linktext,$sname,$sdom,$target,$start) = @_;
2243: my $link ="/adm/trackstudent?";
1.208 matthew 2244: my $title = 'View recent activity';
2245: if (defined($sname) && $sname !~ /^\s*$/ &&
2246: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2247: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2248: $title .= ' of this student';
1.268 albertel 2249: }
1.208 matthew 2250: if (defined($target) && $target !~ /^\s*$/) {
2251: $target = qq{target="$target"};
2252: } else {
2253: $target = '';
2254: }
1.268 albertel 2255: if ($start) { $link.='&start='.$start; }
1.448 albertel 2256:
2257: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2258: &help_open_topic('View_recent_activity');
1.208 matthew 2259: }
2260:
1.112 bowersj2 2261: =pod
2262:
2263: =back
2264:
2265: =head1 Access .tab File Data
2266:
2267: =over 4
2268:
2269: =item * languageids()
2270:
2271: returns list of all language ids
2272:
2273: =cut
2274:
1.14 harris41 2275: sub languageids {
1.16 harris41 2276: return sort(keys(%language));
1.14 harris41 2277: }
2278:
1.112 bowersj2 2279: =pod
2280:
2281: =item * languagedescription()
2282:
2283: returns description of a specified language id
2284:
2285: =cut
2286:
1.14 harris41 2287: sub languagedescription {
1.125 www 2288: my $code=shift;
2289: return ($supported_language{$code}?'* ':'').
2290: $language{$code}.
1.126 www 2291: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2292: }
2293:
2294: sub plainlanguagedescription {
2295: my $code=shift;
2296: return $language{$code};
2297: }
2298:
2299: sub supportedlanguagecode {
2300: my $code=shift;
2301: return $supported_language{$code};
1.97 www 2302: }
2303:
1.112 bowersj2 2304: =pod
2305:
2306: =item * copyrightids()
2307:
2308: returns list of all copyrights
2309:
2310: =cut
2311:
2312: sub copyrightids {
2313: return sort(keys(%cprtag));
2314: }
2315:
2316: =pod
2317:
2318: =item * copyrightdescription()
2319:
2320: returns description of a specified copyright id
2321:
2322: =cut
2323:
2324: sub copyrightdescription {
1.166 www 2325: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2326: }
1.197 matthew 2327:
2328: =pod
2329:
1.192 taceyjo1 2330: =item * source_copyrightids()
2331:
2332: returns list of all source copyrights
2333:
2334: =cut
2335:
2336: sub source_copyrightids {
2337: return sort(keys(%scprtag));
2338: }
2339:
2340: =pod
2341:
2342: =item * source_copyrightdescription()
2343:
2344: returns description of a specified source copyright id
2345:
2346: =cut
2347:
2348: sub source_copyrightdescription {
2349: return &mt($scprtag{shift(@_)});
2350: }
1.112 bowersj2 2351:
2352: =pod
2353:
2354: =item * filecategories()
2355:
2356: returns list of all file categories
2357:
2358: =cut
2359:
2360: sub filecategories {
2361: return sort(keys(%category_extensions));
2362: }
2363:
2364: =pod
2365:
2366: =item * filecategorytypes()
2367:
2368: returns list of file types belonging to a given file
2369: category
2370:
2371: =cut
2372:
2373: sub filecategorytypes {
1.356 albertel 2374: my ($cat) = @_;
2375: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2376: }
2377:
2378: =pod
2379:
2380: =item * fileembstyle()
2381:
2382: returns embedding style for a specified file type
2383:
2384: =cut
2385:
2386: sub fileembstyle {
2387: return $fe{lc(shift(@_))};
1.169 www 2388: }
2389:
1.351 www 2390: sub filemimetype {
2391: return $fm{lc(shift(@_))};
2392: }
2393:
1.169 www 2394:
2395: sub filecategoryselect {
2396: my ($name,$value)=@_;
1.189 matthew 2397: return &select_form($value,$name,
1.169 www 2398: '' => &mt('Any category'),
2399: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2400: }
2401:
2402: =pod
2403:
2404: =item * filedescription()
2405:
2406: returns description for a specified file type
2407:
2408: =cut
2409:
2410: sub filedescription {
1.188 matthew 2411: my $file_description = $fd{lc(shift())};
2412: $file_description =~ s:([\[\]]):~$1:g;
2413: return &mt($file_description);
1.112 bowersj2 2414: }
2415:
2416: =pod
2417:
2418: =item * filedescriptionex()
2419:
2420: returns description for a specified file type with
2421: extra formatting
2422:
2423: =cut
2424:
2425: sub filedescriptionex {
2426: my $ex=shift;
1.188 matthew 2427: my $file_description = $fd{lc($ex)};
2428: $file_description =~ s:([\[\]]):~$1:g;
2429: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2430: }
2431:
2432: # End of .tab access
2433: =pod
2434:
2435: =back
2436:
2437: =cut
2438:
2439: # ------------------------------------------------------------------ File Types
2440: sub fileextensions {
2441: return sort(keys(%fe));
2442: }
2443:
1.97 www 2444: # ----------------------------------------------------------- Display Languages
2445: # returns a hash with all desired display languages
2446: #
2447:
2448: sub display_languages {
2449: my %languages=();
1.356 albertel 2450: foreach my $lang (&preferred_languages()) {
2451: $languages{$lang}=1;
1.97 www 2452: }
2453: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2454: if ($env{'form.displaylanguage'}) {
1.356 albertel 2455: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2456: $languages{$lang}=1;
1.97 www 2457: }
2458: }
2459: return %languages;
1.14 harris41 2460: }
2461:
1.117 www 2462: sub preferred_languages {
2463: my @languages=();
1.258 albertel 2464: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2465: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2466: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2467: }
1.258 albertel 2468: if ($env{'environment.languages'}) {
1.459 albertel 2469: @languages=(@languages,
2470: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2471: }
1.162 www 2472: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2473: if ($browser) {
2474: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2475: }
1.258 albertel 2476: if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
1.118 www 2477: @languages=(@languages,
1.258 albertel 2478: $Apache::lonnet::domain_lang_def{$env{'user.domain'}});
1.118 www 2479: }
1.258 albertel 2480: if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
1.118 www 2481: @languages=(@languages,
1.258 albertel 2482: $Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
1.118 www 2483: }
2484: if ($Apache::lonnet::domain_lang_def{
2485: $Apache::lonnet::perlvar{'lonDefDomain'}}) {
2486: @languages=(@languages,
2487: $Apache::lonnet::domain_lang_def{
2488: $Apache::lonnet::perlvar{'lonDefDomain'}});
2489: }
2490: # turn "en-ca" into "en-ca,en"
2491: my @genlanguages;
1.356 albertel 2492: foreach my $lang (@languages) {
2493: unless ($lang=~/\w/) { next; }
2494: push (@genlanguages,$lang);
2495: if ($lang=~/(\-|\_)/) {
2496: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2497: }
2498: }
2499: return @genlanguages;
1.117 www 2500: }
2501:
1.112 bowersj2 2502: ###############################################################
2503: ## Student Answer Attempts ##
2504: ###############################################################
2505:
2506: =pod
2507:
2508: =head1 Alternate Problem Views
2509:
2510: =over 4
2511:
2512: =item * get_previous_attempt($symb, $username, $domain, $course,
2513: $getattempt, $regexp, $gradesub)
2514:
2515: Return string with previous attempt on problem. Arguments:
2516:
2517: =over 4
2518:
2519: =item * $symb: Problem, including path
2520:
2521: =item * $username: username of the desired student
2522:
2523: =item * $domain: domain of the desired student
1.14 harris41 2524:
1.112 bowersj2 2525: =item * $course: Course ID
1.14 harris41 2526:
1.112 bowersj2 2527: =item * $getattempt: Leave blank for all attempts, otherwise put
2528: something
1.14 harris41 2529:
1.112 bowersj2 2530: =item * $regexp: if string matches this regexp, the string will be
2531: sent to $gradesub
1.14 harris41 2532:
1.112 bowersj2 2533: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2534:
1.112 bowersj2 2535: =back
1.14 harris41 2536:
1.112 bowersj2 2537: The output string is a table containing all desired attempts, if any.
1.16 harris41 2538:
1.112 bowersj2 2539: =cut
1.1 albertel 2540:
2541: sub get_previous_attempt {
1.43 ng 2542: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2543: my $prevattempts='';
1.43 ng 2544: no strict 'refs';
1.1 albertel 2545: if ($symb) {
1.3 albertel 2546: my (%returnhash)=
2547: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2548: if ($returnhash{'version'}) {
2549: my %lasthash=();
2550: my $version;
2551: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2552: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2553: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2554: }
1.1 albertel 2555: }
1.43 ng 2556: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2557: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2558: foreach my $key (sort(keys(%lasthash))) {
2559: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2560: if ($#parts > 0) {
1.31 albertel 2561: my $data=$parts[-1];
2562: pop(@parts);
1.40 ng 2563: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2564: } else {
1.41 ng 2565: if ($#parts == 0) {
2566: $prevattempts.='<th>'.$parts[0].'</th>';
2567: } else {
2568: $prevattempts.='<th>'.$ign.'</th>';
2569: }
1.31 albertel 2570: }
1.16 harris41 2571: }
1.40 ng 2572: if ($getattempt eq '') {
2573: for ($version=1;$version<=$returnhash{'version'};$version++) {
2574: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2575: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2576: my $value;
1.356 albertel 2577: if ($key =~ /timestamp/) {
2578: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2579: } else {
1.356 albertel 2580: $value=$returnhash{$version.':'.$key};
1.40 ng 2581: }
1.369 www 2582: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2583: }
2584: }
1.1 albertel 2585: }
1.40 ng 2586: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2587: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2588: my $value;
1.356 albertel 2589: if ($key =~ /timestamp/) {
2590: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2591: } else {
1.356 albertel 2592: $value=$lasthash{$key};
1.5 albertel 2593: }
1.369 www 2594: $value=&unescape($value);
1.356 albertel 2595: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2596: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2597: }
1.40 ng 2598: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2599: } else {
2600: $prevattempts='Nothing submitted - no attempts.';
2601: }
2602: } else {
2603: $prevattempts='No data.';
2604: }
1.10 albertel 2605: }
2606:
1.107 albertel 2607: sub relative_to_absolute {
2608: my ($url,$output)=@_;
2609: my $parser=HTML::TokeParser->new(\$output);
2610: my $token;
2611: my $thisdir=$url;
2612: my @rlinks=();
2613: while ($token=$parser->get_token) {
2614: if ($token->[0] eq 'S') {
2615: if ($token->[1] eq 'a') {
2616: if ($token->[2]->{'href'}) {
2617: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2618: }
2619: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2620: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2621: } elsif ($token->[1] eq 'base') {
2622: $thisdir=$token->[2]->{'href'};
2623: }
2624: }
2625: }
2626: $thisdir=~s-/[^/]*$--;
1.356 albertel 2627: foreach my $link (@rlinks) {
2628: unless (($link=~/^http:\/\//i) ||
2629: ($link=~/^\//) ||
2630: ($link=~/^javascript:/i) ||
2631: ($link=~/^mailto:/i) ||
2632: ($link=~/^\#/)) {
2633: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2634: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2635: }
2636: }
2637: # -------------------------------------------------- Deal with Applet codebases
2638: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2639: return $output;
2640: }
2641:
1.112 bowersj2 2642: =pod
2643:
2644: =item * get_student_view
2645:
2646: show a snapshot of what student was looking at
2647:
2648: =cut
2649:
1.10 albertel 2650: sub get_student_view {
1.186 albertel 2651: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2652: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2653: my (%form);
1.10 albertel 2654: my @elements=('symb','courseid','domain','username');
2655: foreach my $element (@elements) {
1.186 albertel 2656: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2657: }
1.186 albertel 2658: if (defined($moreenv)) {
2659: %form=(%form,%{$moreenv});
2660: }
1.236 albertel 2661: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2662: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2663: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2664: $userview=~s/\<body[^\>]*\>//gi;
2665: $userview=~s/\<\/body\>//gi;
2666: $userview=~s/\<html\>//gi;
2667: $userview=~s/\<\/html\>//gi;
2668: $userview=~s/\<head\>//gi;
2669: $userview=~s/\<\/head\>//gi;
2670: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2671: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2672: return $userview;
2673: }
2674:
1.112 bowersj2 2675: =pod
2676:
2677: =item * get_student_answers()
2678:
2679: show a snapshot of how student was answering problem
2680:
2681: =cut
2682:
1.11 albertel 2683: sub get_student_answers {
1.100 sakharuk 2684: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2685: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2686: my (%moreenv);
1.11 albertel 2687: my @elements=('symb','courseid','domain','username');
2688: foreach my $element (@elements) {
1.186 albertel 2689: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2690: }
1.186 albertel 2691: $moreenv{'grade_target'}='answer';
2692: %moreenv=(%form,%moreenv);
2693: my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
1.10 albertel 2694: return $userview;
1.1 albertel 2695: }
1.116 albertel 2696:
2697: =pod
2698:
2699: =item * &submlink()
2700:
1.242 albertel 2701: Inputs: $text $uname $udom $symb $target
1.116 albertel 2702:
2703: Returns: A link to grades.pm such as to see the SUBM view of a student
2704:
2705: =cut
2706:
2707: ###############################################
2708: sub submlink {
1.242 albertel 2709: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2710: if (!($uname && $udom)) {
2711: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2712: &Apache::lonnet::whichuser($symb);
1.116 albertel 2713: if (!$symb) { $symb=$cursymb; }
2714: }
1.254 matthew 2715: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2716: $symb=&escape($symb);
1.242 albertel 2717: if ($target) { $target="target=\"$target\""; }
2718: return '<a href="/adm/grades?&command=submission&'.
2719: 'symb='.$symb.'&student='.$uname.
2720: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2721: }
2722: ##############################################
2723:
2724: =pod
2725:
2726: =item * &pgrdlink()
2727:
2728: Inputs: $text $uname $udom $symb $target
2729:
2730: Returns: A link to grades.pm such as to see the PGRD view of a student
2731:
2732: =cut
2733:
2734: ###############################################
2735: sub pgrdlink {
2736: my $link=&submlink(@_);
2737: $link=~s/(&command=submission)/$1&showgrading=yes/;
2738: return $link;
2739: }
2740: ##############################################
2741:
2742: =pod
2743:
2744: =item * &pprmlink()
2745:
2746: Inputs: $text $uname $udom $symb $target
2747:
2748: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2749: student and a specific resource
1.242 albertel 2750:
2751: =cut
2752:
2753: ###############################################
2754: sub pprmlink {
2755: my ($text,$uname,$udom,$symb,$target)=@_;
2756: if (!($uname && $udom)) {
2757: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2758: &Apache::lonnet::whichuser($symb);
1.242 albertel 2759: if (!$symb) { $symb=$cursymb; }
2760: }
1.254 matthew 2761: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2762: $symb=&escape($symb);
1.242 albertel 2763: if ($target) { $target="target=\"$target\""; }
2764: return '<a href="/adm/parmset?&command=set&'.
2765: 'symb='.$symb.'&uname='.$uname.
2766: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2767: }
2768: ##############################################
1.37 matthew 2769:
1.112 bowersj2 2770: =pod
2771:
2772: =back
2773:
2774: =cut
2775:
1.37 matthew 2776: ###############################################
1.51 www 2777:
2778:
2779: sub timehash {
2780: my @ltime=localtime(shift);
2781: return ( 'seconds' => $ltime[0],
2782: 'minutes' => $ltime[1],
2783: 'hours' => $ltime[2],
2784: 'day' => $ltime[3],
2785: 'month' => $ltime[4]+1,
2786: 'year' => $ltime[5]+1900,
2787: 'weekday' => $ltime[6],
2788: 'dayyear' => $ltime[7]+1,
2789: 'dlsav' => $ltime[8] );
2790: }
2791:
1.370 www 2792: sub utc_string {
2793: my ($date)=@_;
1.371 www 2794: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2795: }
2796:
1.51 www 2797: sub maketime {
2798: my %th=@_;
2799: return POSIX::mktime(
2800: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2801: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2802: }
2803:
2804: #########################################
1.51 www 2805:
2806: sub findallcourses {
1.482 raeburn 2807: my ($roles,$uname,$udom) = @_;
1.355 albertel 2808: my %roles;
2809: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2810: my %courses;
1.51 www 2811: my $now=time;
1.482 raeburn 2812: if (!defined($uname)) {
2813: $uname = $env{'user.name'};
2814: }
2815: if (!defined($udom)) {
2816: $udom = $env{'user.domain'};
2817: }
2818: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2819: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2820: if (!%roles) {
2821: %roles = (
2822: cc => 1,
2823: in => 1,
2824: ep => 1,
2825: ta => 1,
2826: cr => 1,
2827: st => 1,
2828: );
2829: }
2830: foreach my $entry (keys(%roleshash)) {
2831: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2832: if ($trole =~ /^cr/) {
2833: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2834: } else {
2835: next if (!exists($roles{$trole}));
2836: }
2837: if ($tend) {
2838: next if ($tend < $now);
2839: }
2840: if ($tstart) {
2841: next if ($tstart > $now);
2842: }
2843: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2844: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2845: if ($secpart eq '') {
2846: ($cnum,$role) = split(/_/,$cnumpart);
2847: $sec = 'none';
2848: $realsec = '';
2849: } else {
2850: $cnum = $cnumpart;
2851: ($sec,$role) = split(/_/,$secpart);
2852: $realsec = $sec;
1.490 raeburn 2853: }
1.482 raeburn 2854: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2855: }
2856: } else {
2857: foreach my $key (keys(%env)) {
1.483 albertel 2858: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2859: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2860: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2861: next if ($role eq 'ca' || $role eq 'aa');
2862: next if (%roles && !exists($roles{$role}));
2863: my ($starttime,$endtime)=split(/\./,$env{$key});
2864: my $active=1;
2865: if ($starttime) {
2866: if ($now<$starttime) { $active=0; }
2867: }
2868: if ($endtime) {
2869: if ($now>$endtime) { $active=0; }
2870: }
2871: if ($active) {
2872: if ($sec eq '') {
2873: $sec = 'none';
2874: }
2875: $courses{$cdom.'_'.$cnum}{$sec} =
2876: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2877: }
2878: }
1.51 www 2879: }
2880: }
1.474 raeburn 2881: return %courses;
1.51 www 2882: }
1.37 matthew 2883:
1.54 www 2884: ###############################################
1.474 raeburn 2885:
2886: sub blockcheck {
1.482 raeburn 2887: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2888:
2889: if (!defined($udom)) {
2890: $udom = $env{'user.domain'};
2891: }
2892: if (!defined($uname)) {
2893: $uname = $env{'user.name'};
2894: }
2895:
2896: my ($startblock,$endblock);
2897:
2898: # If uname and udom are for a course, check for blocks in the course.
2899:
2900: if (&Apache::lonnet::is_course($udom,$uname)) {
2901: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
2902: ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
2903: return ($startblock,$endblock);
2904: }
1.474 raeburn 2905:
1.482 raeburn 2906: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2907:
1.490 raeburn 2908: # If uname is for a user, and activity is course-specific, i.e.,
2909: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2910:
1.490 raeburn 2911: if (($activity eq 'boards' || $activity eq 'chat' ||
2912: $activity eq 'groups') && ($env{'request.course.id'})) {
2913: foreach my $key (keys(%live_courses)) {
2914: if ($key ne $env{'request.course.id'}) {
2915: delete($live_courses{$key});
2916: }
2917: }
2918: }
2919:
2920: my $otheruser = 0;
2921: my %own_courses;
2922: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2923: # Resource belongs to user other than current user.
2924: $otheruser = 1;
2925: # Gather courses for current user
2926: %own_courses =
2927: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
2928: }
2929:
2930: # Gather active course roles - course coordinator, instructor,
2931: # exam proctor, ta, student, or custom role.
1.474 raeburn 2932:
2933: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2934: my ($cdom,$cnum);
2935: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2936: $cdom = $env{'course.'.$course.'.domain'};
2937: $cnum = $env{'course.'.$course.'.num'};
2938: } else {
1.490 raeburn 2939: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 2940: }
2941: my $no_ownblock = 0;
2942: my $no_userblock = 0;
1.490 raeburn 2943: if ($otheruser) {
2944: # Check if current user has 'evb' priv for this
2945: if (defined($own_courses{$course})) {
2946: foreach my $sec (keys(%{$own_courses{$course}})) {
2947: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
2948: if ($sec ne 'none') {
2949: $checkrole .= '/'.$sec;
2950: }
2951: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2952: $no_ownblock = 1;
2953: last;
2954: }
2955: }
2956: }
2957: # if they have 'evb' priv and are currently not playing student
2958: next if (($no_ownblock) &&
2959: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2960: }
1.474 raeburn 2961: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2962: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2963: if ($sec ne 'none') {
1.482 raeburn 2964: $checkrole .= '/'.$sec;
1.474 raeburn 2965: }
1.490 raeburn 2966: # Resource belongs to user other than current user.
2967: # Assemble privs for that user, and check for 'evb' priv.
2968: if ($otheruser) {
2969: # Resource belongs to user other than current user.
2970: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 2971: my ($trole,$tdom,$tnum,$tsec);
2972: my $entry = $live_courses{$course}{$sec};
2973: if ($entry =~ /^cr/) {
2974: ($trole,$tdom,$tnum,$tsec) =
2975: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2976: } else {
2977: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
2978: }
2979: my ($spec,$area,$trest,%allroles,%userroles);
2980: $area = '/'.$tdom.'/'.$tnum;
2981: $trest = $tnum;
2982: if ($tsec ne '') {
2983: $area .= '/'.$tsec;
2984: $trest .= '/'.$tsec;
2985: }
2986: $spec = $trole.'.'.$area;
2987: if ($trole =~ /^cr/) {
2988: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
2989: $tdom,$spec,$trest,$area);
2990: } else {
2991: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
2992: $tdom,$spec,$trest,$area);
2993: }
2994: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 2995: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
2996: if ($1) {
2997: $no_userblock = 1;
2998: last;
2999: }
3000: }
1.490 raeburn 3001: } else {
3002: # Resource belongs to current user
3003: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3004: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3005: $no_ownblock = 1;
3006: last;
3007: }
1.474 raeburn 3008: }
3009: }
3010: # if they have the evb priv and are currently not playing student
1.482 raeburn 3011: next if (($no_ownblock) &&
1.491 albertel 3012: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3013: next if ($no_userblock);
1.474 raeburn 3014:
1.490 raeburn 3015: # Retrieve blocking times and identity of blocker for course
3016: # of specified user, unless user has 'evb' privilege.
3017:
3018: ($startblock,$endblock)=&get_blocks($setters,$activity,$cdom,$cnum);
3019: }
3020: return ($startblock,$endblock);
3021: }
3022:
3023: sub get_blocks {
3024: my ($setters,$activity,$cdom,$cnum) = @_;
3025: my $startblock = 0;
3026: my $endblock = 0;
3027: my $course = $cdom.'_'.$cnum;
3028: $setters->{$course} = {};
3029: $setters->{$course}{'staff'} = [];
3030: $setters->{$course}{'times'} = [];
3031: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3032: foreach my $record (keys(%records)) {
3033: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3034: if ($start <= time && $end >= time) {
3035: my ($staff_name,$staff_dom,$title,$blocks) =
3036: &parse_block_record($records{$record});
3037: if ($blocks->{$activity} eq 'on') {
3038: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3039: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3040: if ( ($startblock == 0) || ($startblock > $start) ) {
3041: $startblock = $start;
1.490 raeburn 3042: }
1.491 albertel 3043: if ( ($endblock == 0) || ($endblock < $end) ) {
3044: $endblock = $end;
1.474 raeburn 3045: }
3046: }
3047: }
3048: }
3049: return ($startblock,$endblock);
3050: }
3051:
3052: sub parse_block_record {
3053: my ($record) = @_;
3054: my ($setuname,$setudom,$title,$blocks);
3055: if (ref($record) eq 'HASH') {
3056: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3057: $title = &unescape($record->{'event'});
3058: $blocks = $record->{'blocks'};
3059: } else {
3060: my @data = split(/:/,$record,3);
3061: if (scalar(@data) eq 2) {
3062: $title = $data[1];
3063: ($setuname,$setudom) = split(/@/,$data[0]);
3064: } else {
3065: ($setuname,$setudom,$title) = @data;
3066: }
3067: $blocks = { 'com' => 'on' };
3068: }
3069: return ($setuname,$setudom,$title,$blocks);
3070: }
3071:
3072: sub build_block_table {
3073: my ($startblock,$endblock,$setters) = @_;
3074: my %lt = &Apache::lonlocal::texthash(
3075: 'cacb' => 'Currently active communication blocks',
3076: 'cour' => 'Course',
3077: 'dura' => 'Duration',
3078: 'blse' => 'Block set by'
3079: );
3080: my $output;
1.476 raeburn 3081: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3082: $output .= &start_data_table();
3083: $output .= '
3084: <tr>
3085: <th>'.$lt{'cour'}.'</th>
3086: <th>'.$lt{'dura'}.'</th>
3087: <th>'.$lt{'blse'}.'</th>
3088: </tr>
3089: ';
3090: foreach my $course (keys(%{$setters})) {
3091: my %courseinfo=&Apache::lonnet::coursedescription($course);
3092: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3093: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3094: my $fullname = &plainname($uname,$udom);
3095: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3096: && $env{'user.name'} ne 'public'
3097: && $env{'user.domain'} ne 'public') {
3098: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3099: }
1.474 raeburn 3100: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3101: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3102: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3103: $output .= &Apache::loncommon::start_data_table_row().
3104: '<td>'.$courseinfo{'description'}.'</td>'.
3105: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3106: '<td>'.$fullname.'</td>'.
1.474 raeburn 3107: &Apache::loncommon::end_data_table_row();
3108: }
3109: }
3110: $output .= &end_data_table();
3111: }
3112:
1.490 raeburn 3113: sub blocking_status {
3114: my ($activity,$uname,$udom) = @_;
3115: my %setters;
3116: my ($blocked,$output,$ownitem,$is_course);
3117: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3118: if ($startblock && $endblock) {
3119: $blocked = 1;
3120: if (wantarray) {
3121: my $category;
3122: if ($activity eq 'boards') {
3123: $category = 'Discussion posts in this course';
3124: } elsif ($activity eq 'blogs') {
3125: $category = 'Blogs';
3126: } elsif ($activity eq 'port') {
3127: if (defined($uname) && defined($udom)) {
3128: if ($uname eq $env{'user.name'} &&
3129: $udom eq $env{'user.domain'}) {
3130: $ownitem = 1;
3131: }
3132: }
3133: $is_course = &Apache::lonnet::is_course($udom,$uname);
3134: if ($ownitem) {
3135: $category = 'Your portfolio files';
3136: } elsif ($is_course) {
3137: my $coursedesc;
3138: foreach my $course (keys(%setters)) {
3139: my %courseinfo =
3140: &Apache::lonnet::coursedescription($course);
3141: $coursedesc = $courseinfo{'description'};
3142: }
3143: $category = "Group files in the course '$coursedesc'";
3144: } else {
3145: $category = 'Portfolio files belonging to ';
3146: if ($env{'user.name'} eq 'public' &&
3147: $env{'user.domain'} eq 'public') {
3148: $category .= &plainname($uname,$udom);
3149: } else {
3150: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3151: }
3152: }
3153: } elsif ($activity eq 'groups') {
3154: $category = 'Groups in this course';
3155: }
3156: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3157: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3158: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3159: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3160: $output .= &build_block_table($startblock,$endblock,\%setters);
3161: }
3162: }
3163: }
3164: if (wantarray) {
3165: return ($blocked,$output);
3166: } else {
3167: return $blocked;
3168: }
3169: }
3170:
1.60 matthew 3171: ###############################################
3172:
3173: =pod
3174:
1.112 bowersj2 3175: =head1 Domain Template Functions
3176:
3177: =over 4
3178:
3179: =item * &determinedomain()
1.60 matthew 3180:
3181: Inputs: $domain (usually will be undef)
3182:
1.63 www 3183: Returns: Determines which domain should be used for designs
1.60 matthew 3184:
3185: =cut
1.54 www 3186:
1.60 matthew 3187: ###############################################
1.63 www 3188: sub determinedomain {
3189: my $domain=shift;
3190: if (! $domain) {
1.60 matthew 3191: # Determine domain if we have not been given one
3192: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3193: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3194: if ($env{'request.role.domain'}) {
3195: $domain=$env{'request.role.domain'};
1.60 matthew 3196: }
3197: }
1.63 www 3198: return $domain;
3199: }
3200: ###############################################
3201: =pod
3202:
1.112 bowersj2 3203: =item * &domainlogo()
1.63 www 3204:
3205: Inputs: $domain (usually will be undef)
3206:
3207: Returns: A link to a domain logo, if the domain logo exists.
3208: If the domain logo does not exist, a description of the domain.
3209:
3210: =cut
1.112 bowersj2 3211:
1.63 www 3212: ###############################################
3213: sub domainlogo {
3214: my $domain = &determinedomain(shift);
3215: # See if there is a logo
1.59 www 3216: if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
1.215 albertel 3217: my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
3218: return '<img src="'.$logo.'" alt="'.$domain.'" />';
1.60 matthew 3219: } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
3220: return $Apache::lonnet::domaindescription{$domain};
1.59 www 3221: } else {
1.60 matthew 3222: return '';
1.59 www 3223: }
3224: }
1.63 www 3225: ##############################################
3226:
3227: =pod
3228:
1.112 bowersj2 3229: =item * &designparm()
1.63 www 3230:
3231: Inputs: $which parameter; $domain (usually will be undef)
3232:
3233: Returns: value of designparamter $which
3234:
3235: =cut
1.112 bowersj2 3236:
1.397 albertel 3237:
1.400 albertel 3238: ##############################################
1.397 albertel 3239: sub designparm {
3240: my ($which,$domain)=@_;
1.258 albertel 3241: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3242: if ($which=~/\.(font|alink|vlink|link)$/) {
3243: return '#000000';
3244: }
3245: if ($which=~/\.(pgbg|sidebg)$/) {
3246: return '#FFFFFF';
3247: }
3248: if ($which=~/\.tabbg$/) {
3249: return '#CCCCCC';
3250: }
3251: }
1.397 albertel 3252: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3253: return $env{'environment.color.'.$which};
1.96 www 3254: }
1.63 www 3255: $domain=&determinedomain($domain);
1.397 albertel 3256: if (exists($designhash{$domain.'.'.$which})) {
1.63 www 3257: return $designhash{$domain.'.'.$which};
3258: } else {
3259: return $designhash{'default.'.$which};
3260: }
3261: }
1.59 www 3262:
1.60 matthew 3263: ###############################################
3264: ###############################################
3265:
3266: =pod
3267:
1.112 bowersj2 3268: =back
3269:
3270: =head1 HTTP Helpers
3271:
3272: =over 4
3273:
3274: =item * &bodytag()
1.60 matthew 3275:
3276: Returns a uniform header for LON-CAPA web pages.
3277:
3278: Inputs:
3279:
1.112 bowersj2 3280: =over 4
3281:
3282: =item * $title, A title to be displayed on the page.
3283:
3284: =item * $function, the current role (can be undef).
3285:
3286: =item * $addentries, extra parameters for the <body> tag.
3287:
3288: =item * $bodyonly, if defined, only return the <body> tag.
3289:
3290: =item * $domain, if defined, force a given domain.
3291:
3292: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3293: text interface only)
1.60 matthew 3294:
1.326 albertel 3295: =item * $customtitle, alternate text to use instead of $title
3296: in the title box that appears, this text
3297: is not auto translated like the $title is
1.309 albertel 3298:
3299: =item * $notopbar, if true, keep the 'what is this' info but remove the
3300: navigational links
1.317 albertel 3301:
1.338 albertel 3302: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3303:
3304: =item * $notitle, if true keep the nav controls, but remove the title bar
3305:
1.361 albertel 3306: =item * $no_inline_link, if true and in remote mode, don't show the
3307: 'Switch To Inline Menu' link
3308:
1.460 albertel 3309: =item * $args, optional argument valid values are
3310: no_auto_mt_title -> prevents &mt()ing the title arg
3311:
1.112 bowersj2 3312: =back
3313:
1.60 matthew 3314: Returns: A uniform header for LON-CAPA web pages.
3315: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3316: If $bodyonly is undef or zero, an html string containing a <body> tag and
3317: other decorations will be returned.
3318:
3319: =cut
3320:
1.54 www 3321: sub bodytag {
1.309 albertel 3322: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3323: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3324:
1.460 albertel 3325: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3326:
1.183 matthew 3327: $function = &get_users_function() if (!$function);
1.339 albertel 3328: my $img = &designparm($function.'.img',$domain);
3329: my $font = &designparm($function.'.font',$domain);
3330: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3331:
3332: my %design = ( 'style' => 'margin-top: 0px',
3333: 'bgcolor' => $pgbg,
3334: 'text' => $font,
3335: 'alink' => &designparm($function.'.alink',$domain),
3336: 'vlink' => &designparm($function.'.vlink',$domain),
3337: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3338: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3339:
1.63 www 3340: # role and realm
1.378 raeburn 3341: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3342: if ($role eq 'ca') {
1.479 albertel 3343: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.378 raeburn 3344: $realm = &plainname($rname,$rdom).':'.$rdom;
3345: }
1.55 www 3346: # realm
1.258 albertel 3347: if ($env{'request.course.id'}) {
1.378 raeburn 3348: if ($env{'request.role'} !~ /^cr/) {
3349: $role = &Apache::lonnet::plaintext($role,&course_type());
3350: }
1.359 albertel 3351: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3352: } else {
3353: $role = &Apache::lonnet::plaintext($role);
1.54 www 3354: }
1.433 albertel 3355:
1.359 albertel 3356: if (!$realm) { $realm=' '; }
1.55 www 3357: # Set messages
1.60 matthew 3358: my $messages=&domainlogo($domain);
1.101 www 3359: # Port for miniserver
1.83 albertel 3360: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3361: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3362:
1.438 albertel 3363: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3364:
1.101 www 3365: # construct main body tag
1.359 albertel 3366: my $bodytag = "<body $extra_body_attr>".
3367: &Apache::lontexconvert::init_math_support();
1.252 albertel 3368:
1.332 albertel 3369: if ($bodyonly
3370: || ($env{'request.state'} eq 'construct'
3371: && $env{'environment.remote'} ne 'off' )) {
1.60 matthew 3372: return $bodytag;
1.258 albertel 3373: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3374: # Accessibility
1.224 raeburn 3375:
1.337 albertel 3376: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3377: if (!$notitle) {
1.337 albertel 3378: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3379: }
3380: return $bodytag;
1.359 albertel 3381: }
3382:
1.410 albertel 3383: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3384: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3385: undef($role);
1.434 albertel 3386: } else {
3387: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3388: }
1.359 albertel 3389:
3390: my $roleinfo=(<<ENDROLE);
3391: <td class="LC_title_bar_who">
3392: <div class="LC_title_bar_name">
1.410 albertel 3393: $name
1.361 albertel 3394:
1.359 albertel 3395: </div>
3396: <div class="LC_title_bar_role">
1.361 albertel 3397: $role
1.359 albertel 3398: </div>
3399: <div class="LC_title_bar_realm">
1.361 albertel 3400: $realm
1.359 albertel 3401: </div>
1.206 albertel 3402: </td>
3403: ENDROLE
1.235 raeburn 3404:
1.359 albertel 3405: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3406: if ($customtitle) {
3407: $titleinfo = $customtitle;
3408: }
3409: #
3410: # Extra info if you are the DC
3411: my $dc_info = '';
3412: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3413: $env{'course.'.$env{'request.course.id'}.
3414: '.domain'}.'/'})) {
3415: my $cid = $env{'request.course.id'};
3416: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3417: $dc_info =~ s/\s+$//;
1.359 albertel 3418: $dc_info = '('.$dc_info.')';
3419: }
3420:
3421: if ($env{'environment.remote'} eq 'off') {
3422: # No Remote
1.258 albertel 3423: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3424: $forcereg=1;
3425: }
3426:
3427: if (!$customtitle && $env{'request.state'} eq 'construct') {
3428: # this is for resources; directories have customtitle, and crumbs
3429: # and select recent are created in lonpubdir.pm
1.229 albertel 3430: my ($uname,$thisdisfn)=
1.258 albertel 3431: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3432: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3433: $formaction=~s/\/+/\//g;
3434:
1.359 albertel 3435: my $parentpath = '';
3436: my $lastitem = '';
3437: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3438: $parentpath = $1;
3439: $lastitem = $2;
3440: } else {
3441: $lastitem = $thisdisfn;
3442: }
3443: $titleinfo =
1.401 albertel 3444: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3445: '<b>Construction Space</b>: '.
3446: '<form name="dirs" method="post" action="'.$formaction
3447: .'" target="_top"><tt><b>'
3448: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3449: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3450: .'</form>'
3451: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3452: }
1.359 albertel 3453:
1.337 albertel 3454: my $titletable;
1.338 albertel 3455: if (!$notitle) {
1.337 albertel 3456: $titletable =
1.359 albertel 3457: '<table id="LC_title_bar">'.
3458: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3459: '</tr></table>';
1.337 albertel 3460: }
1.359 albertel 3461: if ($notopbar) {
3462: $bodytag .= $titletable;
3463: } else {
3464: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3465: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3466: $titletable);
1.272 raeburn 3467: } else {
1.336 albertel 3468: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3469: $titletable;
1.272 raeburn 3470: }
1.235 raeburn 3471: }
3472: return $bodytag;
1.94 www 3473: }
1.95 www 3474:
1.93 www 3475: #
1.95 www 3476: # Top frame rendering, Remote is up
1.93 www 3477: #
1.359 albertel 3478:
3479: my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
3480: $lonhttpdPort.$img.'" alt="'.$function.'" />';
3481:
1.305 www 3482: # Explicit link to get inline menu
1.361 albertel 3483: my $menu= ($no_inline_link?''
3484: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3485: #
1.338 albertel 3486: if ($notitle) {
1.337 albertel 3487: return $bodytag;
3488: }
1.94 www 3489: return(<<ENDBODY);
1.60 matthew 3490: $bodytag
1.359 albertel 3491: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3492: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3493: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3494: </tr>
1.359 albertel 3495: <tr><td>$titleinfo $dc_info $menu</td>
3496: $roleinfo
1.368 albertel 3497: </tr>
1.356 albertel 3498: </table>
1.54 www 3499: ENDBODY
1.182 matthew 3500: }
3501:
1.330 albertel 3502: sub make_attr_string {
3503: my ($register,$attr_ref) = @_;
3504:
3505: if ($attr_ref && !ref($attr_ref)) {
3506: die("addentries Must be a hash ref ".
3507: join(':',caller(1))." ".
3508: join(':',caller(0))." ");
3509: }
3510:
3511: if ($register) {
1.339 albertel 3512: my ($on_load,$on_unload);
3513: foreach my $key (keys(%{$attr_ref})) {
3514: if (lc($key) eq 'onload') {
3515: $on_load.=$attr_ref->{$key}.';';
3516: delete($attr_ref->{$key});
3517:
3518: } elsif (lc($key) eq 'onunload') {
3519: $on_unload.=$attr_ref->{$key}.';';
3520: delete($attr_ref->{$key});
3521: }
3522: }
3523: $attr_ref->{'onload'} =
3524: &Apache::lonmenu::loadevents(). $on_load;
3525: $attr_ref->{'onunload'}=
3526: &Apache::lonmenu::unloadevents().$on_unload;
3527: }
3528:
3529: # Accessibility font enhance
3530: if ($env{'browser.fontenhance'} eq 'on') {
3531: my $style;
3532: foreach my $key (keys(%{$attr_ref})) {
3533: if (lc($key) eq 'style') {
3534: $style.=$attr_ref->{$key}.';';
3535: delete($attr_ref->{$key});
3536: }
3537: }
3538: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3539: }
1.339 albertel 3540:
3541: if ($env{'browser.blackwhite'} eq 'on') {
3542: delete($attr_ref->{'font'});
3543: delete($attr_ref->{'link'});
3544: delete($attr_ref->{'alink'});
3545: delete($attr_ref->{'vlink'});
3546: delete($attr_ref->{'bgcolor'});
3547: delete($attr_ref->{'background'});
3548: }
3549:
1.330 albertel 3550: my $attr_string;
3551: foreach my $attr (keys(%$attr_ref)) {
3552: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3553: }
3554: return $attr_string;
3555: }
3556:
3557:
1.182 matthew 3558: ###############################################
1.251 albertel 3559: ###############################################
3560:
3561: =pod
3562:
3563: =back
3564:
1.306 albertel 3565: =head1 HTML Helpers
1.251 albertel 3566:
3567: =over 4
3568:
3569: =item * &endbodytag()
3570:
3571: Returns a uniform footer for LON-CAPA web pages.
3572:
1.306 albertel 3573: Inputs: none
1.251 albertel 3574:
3575: =back
3576:
3577: =cut
3578:
3579: sub endbodytag {
3580: my $endbodytag='</body>';
1.269 albertel 3581: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3582: if ( exists( $env{'internal.head.redirect'} ) ) {
3583: $endbodytag=
3584: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3585: &mt('Continue').'</a>'.
3586: $endbodytag;
3587: }
1.251 albertel 3588: return $endbodytag;
3589: }
3590:
1.352 albertel 3591: =pod
3592:
3593: =over 4
3594:
3595: =item * &standard_css()
3596:
3597: Returns a style sheet
3598:
3599: Inputs: (all optional)
3600: domain -> force to color decorate a page for a specific
3601: domain
3602: function -> force usage of a specific rolish color scheme
3603: bgcolor -> override the default page bgcolor
3604:
3605: =back
3606:
3607: =cut
3608:
1.343 albertel 3609: sub standard_css {
1.345 albertel 3610: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3611: $function = &get_users_function() if (!$function);
3612: my $img = &designparm($function.'.img', $domain);
3613: my $tabbg = &designparm($function.'.tabbg', $domain);
3614: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3615: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3616: my $pgbg_or_bgcolor =
3617: $bgcolor ||
1.352 albertel 3618: &designparm($function.'.pgbg', $domain);
1.382 albertel 3619: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3620: my $alink = &designparm($function.'.alink', $domain);
3621: my $vlink = &designparm($function.'.vlink', $domain);
3622: my $link = &designparm($function.'.link', $domain);
3623:
3624: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3625: my $mono = 'monospace';
1.352 albertel 3626: my $data_table_head = $tabbg;
3627: my $data_table_light = '#EEEEEE';
1.470 banghart 3628: my $data_table_dark = '#DDDDDD';
3629: my $data_table_darker = '#CCCCCC';
1.349 albertel 3630: my $data_table_highlight = '#FFFF00';
1.352 albertel 3631: my $mail_new = '#FFBB77';
3632: my $mail_new_hover = '#DD9955';
3633: my $mail_read = '#BBBB77';
3634: my $mail_read_hover = '#999944';
3635: my $mail_replied = '#AAAA88';
3636: my $mail_replied_hover = '#888855';
3637: my $mail_other = '#99BBBB';
3638: my $mail_other_hover = '#669999';
1.391 albertel 3639: my $table_header = '#DDDDDD';
1.489 raeburn 3640: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3641:
3642: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3643: : '0px 3px 0px 4px';
1.448 albertel 3644:
1.343 albertel 3645: return <<END;
1.345 albertel 3646: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3647: a:focus { color: red; background: yellow }
3648: table.thinborder { border-collapse: collapse; }
1.426 albertel 3649: table.thinborder tr th { border-style: solid; border-width: 1px; background: $tabbg;}
3650: table.thinborder tr td { border-style: solid; border-width: 1px}
3651:
1.343 albertel 3652: form, .inline { display: inline; }
3653: .center { text-align: center; }
1.395 albertel 3654: .LC_filename {font-family: $mono;}
1.350 albertel 3655: .LC_error {
3656: color: red;
3657: font-size: larger;
3658: }
1.457 albertel 3659: .LC_warning,
3660: .LC_diff_removed {
1.394 albertel 3661: color: red;
3662: }
1.457 albertel 3663: .LC_success,
3664: .LC_diff_added {
1.350 albertel 3665: color: green;
3666: }
1.440 albertel 3667: .LC_icon {
3668: border: 0px;
3669: }
1.346 albertel 3670:
1.458 albertel 3671: table.LC_pastsubmission {
3672: border: 1px solid black;
3673: margin: 2px;
3674: }
3675:
1.392 albertel 3676: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3677: width: 100%;
3678: background: $pgbg;
1.392 albertel 3679: border: 2px;
1.402 albertel 3680: border-collapse: separate;
1.403 albertel 3681: padding: 0px;
1.345 albertel 3682: }
1.392 albertel 3683:
1.409 albertel 3684: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3685: table#LC_title_bar.LC_with_remote {
1.359 albertel 3686: width: 100%;
1.392 albertel 3687: border-color: $pgbg;
3688: border-style: solid;
3689: border-width: $border;
3690:
1.379 albertel 3691: background: $pgbg;
3692: font-family: $sans;
1.392 albertel 3693: border-collapse: collapse;
1.403 albertel 3694: padding: 0px;
1.359 albertel 3695: }
1.392 albertel 3696:
1.409 albertel 3697: table.LC_docs_path {
3698: width: 100%;
3699: border: 0;
3700: background: $pgbg;
3701: font-family: $sans;
3702: border-collapse: collapse;
3703: padding: 0px;
3704: }
3705:
1.359 albertel 3706: table#LC_title_bar td {
3707: background: $tabbg;
3708: }
3709: table#LC_title_bar td.LC_title_bar_who {
3710: background: $tabbg;
3711: color: $font;
1.427 albertel 3712: font: small $sans;
1.359 albertel 3713: text-align: right;
3714: }
1.469 banghart 3715: span.LC_metadata {
3716: font-family: $sans;
3717: }
1.359 albertel 3718: span.LC_title_bar_title {
1.416 albertel 3719: font: bold x-large $sans;
1.359 albertel 3720: }
3721: table#LC_title_bar td.LC_title_bar_domain_logo {
3722: background: $sidebg;
3723: text-align: right;
1.368 albertel 3724: padding: 0px;
3725: }
3726: table#LC_title_bar td.LC_title_bar_role_logo {
3727: background: $sidebg;
3728: padding: 0px;
1.359 albertel 3729: }
3730:
1.346 albertel 3731: table#LC_menubuttons_mainmenu {
3732: background: $pgbg;
3733: border: 0px;
3734: border-spacing: 1px;
1.372 albertel 3735: padding: 0px 1px;
1.346 albertel 3736: margin: 0px;
3737: border-collapse: separate;
3738: }
3739: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3740: border: 0px;
3741: }
1.345 albertel 3742: table#LC_top_nav td {
3743: background: $tabbg;
1.392 albertel 3744: border: 0px;
1.407 albertel 3745: font-size: small;
1.345 albertel 3746: }
3747: table#LC_top_nav td a, div#LC_top_nav a {
3748: color: $font;
3749: font-family: $sans;
3750: }
1.364 albertel 3751: table#LC_top_nav td.LC_top_nav_logo {
3752: background: $tabbg;
1.432 albertel 3753: text-align: left;
1.408 albertel 3754: white-space: nowrap;
1.432 albertel 3755: width: 31px;
1.408 albertel 3756: }
3757: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3758: border: 0px;
1.408 albertel 3759: vertical-align: bottom;
1.364 albertel 3760: }
1.432 albertel 3761: table#LC_top_nav td.LC_top_nav_exit,
3762: table#LC_top_nav td.LC_top_nav_help {
3763: width: 2.0em;
3764: }
1.442 albertel 3765: table#LC_top_nav td.LC_top_nav_login {
3766: width: 4.0em;
3767: text-align: center;
3768: }
1.409 albertel 3769: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3770: background: $tabbg;
3771: color: $font;
3772: font-family: $sans;
1.358 albertel 3773: font-size: smaller;
1.357 albertel 3774: }
1.411 albertel 3775: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3776: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3777: background: $tabbg;
3778: color: $font;
3779: font-family: $sans;
3780: font-size: larger;
3781: text-align: right;
3782: }
1.383 albertel 3783: td.LC_table_cell_checkbox {
3784: text-align: center;
3785: }
3786:
1.346 albertel 3787: .LC_menubuttons_inline_text {
3788: color: $font;
3789: font-family: $sans;
3790: font-size: smaller;
3791: }
3792:
3793: td.LC_menubuttons_text {
3794: color: $font;
3795: font-family: $sans;
3796: }
3797: td.LC_menubuttons_img {
3798: background: $tabbg;
3799: }
3800: .LC_current_location {
3801: font-family: $sans;
3802: background: $tabbg;
3803: }
3804: .LC_new_mail {
3805: font-family: $sans;
3806: font-weight: bold;
3807: }
1.347 albertel 3808:
1.440 albertel 3809: table.LC_aboutme_port {
3810: border: 0px;
3811: border-collapse: collapse;
3812: border-spacing: 0px;
3813: }
1.349 albertel 3814: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3815: border: 1px solid #000000;
1.402 albertel 3816: border-collapse: separate;
1.426 albertel 3817: border-spacing: 1px;
1.347 albertel 3818: }
1.422 albertel 3819: .LC_data_table_dense {
3820: font-size: small;
3821: }
1.349 albertel 3822: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
3823: font-weight: bold;
3824: background-color: $data_table_head;
1.421 albertel 3825: font-size: smaller;
1.347 albertel 3826: }
1.440 albertel 3827: table.LC_data_table tr td,
3828: table.LC_aboutme_port tr td {
1.349 albertel 3829: background-color: $data_table_light;
1.425 albertel 3830: padding: 2px;
1.347 albertel 3831: }
1.440 albertel 3832: table.LC_data_table tr.LC_even_row td,
3833: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 3834: background-color: $data_table_dark;
1.347 albertel 3835: }
1.425 albertel 3836: table.LC_data_table tr.LC_data_table_highlight td {
3837: background-color: $data_table_darker;
3838: }
1.451 albertel 3839: table.LC_data_table tr.LC_empty_row td,
1.452 albertel 3840: table.LC_whatsnew tr.LC_empty_row td {
1.347 albertel 3841: background-color: #FFFFFF;
1.421 albertel 3842: font-weight: bold;
3843: font-style: italic;
3844: text-align: center;
3845: padding: 8px;
1.347 albertel 3846: }
1.465 albertel 3847: table.LC_whatsnew tr.LC_empty_row td {
3848: padding: 4ex
3849: }
1.451 albertel 3850: table.LC_whatsnew {
3851: }
3852:
3853: table.LC_whatsnew tr th,
3854: table.LC_whatsnew tr.LC_info_row td {
3855: background-color: #CCC;
3856: font-weight: bold;
3857: font-size: small;
3858: text-align: right;
3859: }
3860: table.LC_whatsnew tr td {
3861: background-color: #FFF;
3862: font-size: small;
3863: text-align: right;
3864: }
3865: table.LC_whatsnew tr td.LC_first_item {
3866: text-align: left;
3867: }
3868:
3869: table.LC_whatsnew tr.LC_odd_row td {
3870: background-color: #EEE;
3871: }
3872:
1.473 raeburn 3873: table.LC_createuser {
3874: }
3875:
3876: table.LC_createuser tr.LC_section_row td {
3877: font-size: smaller;
3878: }
3879:
3880: table.LC_createuser tr.LC_info_row td {
3881: background-color: #CCC;
3882: font-weight: bold;
3883: text-align: center;
3884: }
3885:
1.349 albertel 3886: table.LC_calendar {
3887: border: 1px solid #000000;
3888: border-collapse: collapse;
3889: }
3890: table.LC_calendar_pickdate {
3891: font-size: xx-small;
3892: }
3893: table.LC_calendar tr td {
3894: border: 1px solid #000000;
3895: vertical-align: top;
3896: }
3897: table.LC_calendar tr td.LC_calendar_day_empty {
3898: background-color: $data_table_dark;
3899: }
3900: table.LC_calendar tr td.LC_calendar_day_current {
3901: background-color: $data_table_highlight;
3902: }
3903:
3904: table.LC_mail_list tr.LC_mail_new {
3905: background-color: $mail_new;
3906: }
3907: table.LC_mail_list tr.LC_mail_new:hover {
3908: background-color: $mail_new_hover;
3909: }
3910: table.LC_mail_list tr.LC_mail_read {
3911: background-color: $mail_read;
3912: }
3913: table.LC_mail_list tr.LC_mail_read:hover {
3914: background-color: $mail_read_hover;
3915: }
3916: table.LC_mail_list tr.LC_mail_replied {
3917: background-color: $mail_replied;
3918: }
3919: table.LC_mail_list tr.LC_mail_replied:hover {
3920: background-color: $mail_replied_hover;
3921: }
3922: table.LC_mail_list tr.LC_mail_other {
3923: background-color: $mail_other;
3924: }
3925: table.LC_mail_list tr.LC_mail_other:hover {
3926: background-color: $mail_other_hover;
3927: }
1.494 raeburn 3928: table.LC_mail_list tr.LC_mail_even {
3929: }
3930: table.LC_mail_list tr.LC_mail_odd {
3931: }
3932:
1.385 albertel 3933:
1.386 albertel 3934: table#LC_portfolio_actions {
3935: width: auto;
3936: background: $pgbg;
3937: border: 0px;
3938: border-spacing: 2px 2px;
3939: padding: 0px;
3940: margin: 0px;
3941: border-collapse: separate;
3942: }
3943: table#LC_portfolio_actions td.LC_label {
3944: background: $tabbg;
3945: text-align: right;
3946: }
3947: table#LC_portfolio_actions td.LC_value {
3948: background: $tabbg;
3949: }
1.385 albertel 3950:
1.391 albertel 3951: table#LC_cstr_controls {
3952: width: 100%;
3953: border-collapse: collapse;
3954: }
3955: table#LC_cstr_controls tr td {
3956: border: 4px solid $pgbg;
3957: padding: 4px;
3958: text-align: center;
3959: background: $tabbg;
3960: }
3961: table#LC_cstr_controls tr th {
3962: border: 4px solid $pgbg;
3963: background: $table_header;
3964: text-align: center;
3965: font-family: $sans;
3966: font-size: smaller;
3967: }
3968:
1.389 albertel 3969: table#LC_browser {
3970:
3971: }
3972: table#LC_browser tr th {
1.391 albertel 3973: background: $table_header;
1.389 albertel 3974: }
1.390 albertel 3975: table#LC_browser tr td {
3976: padding: 2px;
3977: }
1.389 albertel 3978: table#LC_browser tr.LC_browser_file,
3979: table#LC_browser tr.LC_browser_file_published {
3980: background: #CCFF88;
3981: }
3982: table#LC_browser tr.LC_browser_file_locked,
3983: table#LC_browser tr.LC_browser_file_unpublished {
3984: background: #FFAA99;
1.387 albertel 3985: }
1.389 albertel 3986: table#LC_browser tr.LC_browser_file_obsolete {
3987: background: #AAAAAA;
1.387 albertel 3988: }
1.455 albertel 3989: table#LC_browser tr.LC_browser_file_modified,
3990: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 3991: background: #FFFF77;
1.387 albertel 3992: }
1.389 albertel 3993: table#LC_browser tr.LC_browser_folder {
3994: background: #CCCCFF;
1.387 albertel 3995: }
1.388 albertel 3996: span.LC_current_location {
3997: font-size: x-large;
3998: background: $pgbg;
3999: }
1.387 albertel 4000:
1.395 albertel 4001: span.LC_parm_menu_item {
4002: font-size: larger;
4003: font-family: $sans;
4004: }
4005: span.LC_parm_scope_all {
4006: color: red;
4007: }
4008: span.LC_parm_scope_folder {
4009: color: green;
4010: }
4011: span.LC_parm_scope_resource {
4012: color: orange;
4013: }
4014: span.LC_parm_part {
4015: color: blue;
4016: }
4017: span.LC_parm_folder, span.LC_parm_symb {
4018: font-size: x-small;
4019: font-family: $mono;
4020: color: #AAAAAA;
4021: }
4022:
1.396 albertel 4023: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4024: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4025: border: 1px solid black;
4026: border-collapse: collapse;
4027: }
4028: table.LC_parm_overview_restrictions td {
4029: border-width: 1px 4px 1px 4px;
4030: border-style: solid;
4031: border-color: $pgbg;
4032: text-align: center;
4033: }
4034: table.LC_parm_overview_restrictions th {
4035: background: $tabbg;
4036: border-width: 1px 4px 1px 4px;
4037: border-style: solid;
4038: border-color: $pgbg;
4039: }
1.398 albertel 4040: table#LC_helpmenu {
4041: border: 0px;
4042: height: 55px;
4043: border-spacing: 0px;
4044: }
4045:
4046: table#LC_helpmenu fieldset legend {
4047: font-size: larger;
4048: font-weight: bold;
4049: }
1.397 albertel 4050: table#LC_helpmenu_links {
4051: width: 100%;
4052: border: 1px solid black;
4053: background: $pgbg;
4054: padding: 0px;
4055: border-spacing: 1px;
4056: }
4057: table#LC_helpmenu_links tr td {
4058: padding: 1px;
4059: background: $tabbg;
1.399 albertel 4060: text-align: center;
4061: font-weight: bold;
1.397 albertel 4062: }
1.396 albertel 4063:
1.397 albertel 4064: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4065: table#LC_helpmenu_links a:active {
4066: text-decoration: none;
4067: color: $font;
4068: }
4069: table#LC_helpmenu_links a:hover {
4070: text-decoration: underline;
4071: color: $vlink;
4072: }
1.396 albertel 4073:
1.417 albertel 4074: .LC_chrt_popup_exists {
4075: border: 1px solid #339933;
4076: margin: -1px;
4077: }
4078: .LC_chrt_popup_up {
4079: border: 1px solid yellow;
4080: margin: -1px;
4081: }
4082: .LC_chrt_popup {
4083: border: 1px solid #8888FF;
4084: background: #CCCCFF;
4085: }
4086:
1.421 albertel 4087: table.LC_pick_box {
4088: width: 100%;
4089: border-collapse: separate;
4090: background: white;
4091: border: 1px solid black;
4092: border-spacing: 1px;
4093: }
4094: table.LC_pick_box td.LC_pick_box_title {
4095: background: $tabbg;
4096: font-weight: bold;
4097: text-align: right;
4098: width: 184px;
4099: padding: 8px;
4100: }
1.424 albertel 4101: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4102: padding: 0px;
4103: height: 1px;
4104: background: black;
4105: }
4106: table.LC_pick_box td.LC_pick_box_submit {
4107: text-align: right;
4108: }
4109:
1.424 albertel 4110: table.LC_group_priv_box {
4111: background: white;
4112: border: 1px solid black;
4113: border-spacing: 1px;
4114: }
4115: table.LC_group_priv_box td.LC_pick_box_title {
4116: background: $tabbg;
4117: font-weight: bold;
4118: text-align: right;
4119: width: 184px;
4120: }
4121: table.LC_group_priv_box td.LC_groups_fixed {
4122: background: $data_table_light;
4123: text-align: center;
4124: }
4125: table.LC_group_priv_box td.LC_groups_optional {
4126: background: $data_table_dark;
4127: text-align: center;
4128: }
4129: table.LC_group_priv_box td.LC_groups_functionality {
4130: background: $data_table_darker;
4131: text-align: center;
4132: font-weight: bold;
4133: }
4134: table.LC_group_priv td {
4135: text-align: left;
4136: padding: 0px;
4137: }
4138:
1.421 albertel 4139: table.LC_notify_front_page {
4140: background: white;
4141: border: 1px solid black;
4142: padding: 8px;
4143: }
4144: table.LC_notify_front_page td {
4145: padding: 8px;
4146: }
1.424 albertel 4147: .LC_navbuttons {
4148: margin: 2ex 0ex 2ex 0ex;
4149: }
1.423 albertel 4150: .LC_topic_bar {
4151: font-family: $sans;
4152: font-weight: bold;
4153: width: 100%;
4154: background: $tabbg;
4155: vertical-align: middle;
4156: margin: 2ex 0ex 2ex 0ex;
4157: }
4158: .LC_topic_bar span {
4159: vertical-align: middle;
4160: }
4161: .LC_topic_bar img {
4162: vertical-align: bottom;
4163: }
4164: table.LC_course_group_status {
4165: margin: 20px;
4166: }
4167: table.LC_status_selector td {
4168: vertical-align: top;
4169: text-align: center;
1.424 albertel 4170: padding: 4px;
4171: }
4172: table.LC_descriptive_input td.LC_description {
4173: vertical-align: top;
4174: text-align: right;
4175: font-weight: bold;
1.423 albertel 4176: }
1.489 raeburn 4177: table.LC_feedback_link {
4178: background: $feedback_link_bg;
4179: }
4180: span.LC_feedback_link {
4181: background: $feedback_link_bg;
4182: font-size: larger;
4183: }
1.421 albertel 4184:
1.343 albertel 4185: END
4186: }
4187:
1.306 albertel 4188: =pod
4189:
4190: =over 4
4191:
4192: =item * &headtag()
4193:
4194: Returns a uniform footer for LON-CAPA web pages.
4195:
1.307 albertel 4196: Inputs: $title - optional title for the head
4197: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4198: $args - optional arguments
1.319 albertel 4199: force_register - if is true call registerurl so the remote is
4200: informed
1.415 albertel 4201: redirect -> array ref of
4202: 1- seconds before redirect occurs
4203: 2- url to redirect to
4204: 3- whether the side effect should occur
1.315 albertel 4205: (side effect of setting
4206: $env{'internal.head.redirect'} to the url
4207: redirected too)
1.352 albertel 4208: domain -> force to color decorate a page for a specific
4209: domain
4210: function -> force usage of a specific rolish color scheme
4211: bgcolor -> override the default page bgcolor
1.460 albertel 4212: no_auto_mt_title
4213: -> prevent &mt()ing the title arg
1.464 albertel 4214:
1.306 albertel 4215: =back
4216:
4217: =cut
4218:
4219: sub headtag {
1.313 albertel 4220: my ($title,$head_extra,$args) = @_;
1.306 albertel 4221:
1.363 albertel 4222: my $function = $args->{'function'} || &get_users_function();
4223: my $domain = $args->{'domain'} || &determinedomain();
4224: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4225: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4226: $Apache::lonnet::perlvar{'lonVersion'},
1.418 albertel 4227: #time(),
4228: $env{'environment.color.timestamp'},
1.363 albertel 4229: $function,$domain,$bgcolor);
4230:
1.369 www 4231: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4232:
1.308 albertel 4233: my $result =
4234: '<head>'.
1.461 albertel 4235: &font_settings();
1.319 albertel 4236:
1.461 albertel 4237: if (!$args->{'frameset'}) {
4238: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4239: }
1.319 albertel 4240: if ($args->{'force_register'}) {
4241: $result .= &Apache::lonmenu::registerurl(1);
4242: }
1.436 albertel 4243: if (!$args->{'no_nav_bar'}
4244: && !$args->{'only_body'}
4245: && !$args->{'frameset'}) {
4246: $result .= &help_menu_js();
4247: }
1.319 albertel 4248:
1.314 albertel 4249: if (ref($args->{'redirect'})) {
1.414 albertel 4250: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4251: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4252: if (!$inhibit_continue) {
4253: $env{'internal.head.redirect'} = $url;
4254: }
1.313 albertel 4255: $result.=<<ADDMETA
4256: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4257: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4258: ADDMETA
4259: }
1.306 albertel 4260: if (!defined($title)) {
4261: $title = 'The LearningOnline Network with CAPA';
4262: }
1.460 albertel 4263: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4264: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4265: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4266: .$head_extra;
1.306 albertel 4267: return $result;
4268: }
4269:
4270: =pod
4271:
4272: =over 4
4273:
1.340 albertel 4274: =item * &font_settings()
4275:
4276: Returns neccessary <meta> to set the proper encoding
4277:
4278: Inputs: none
4279:
4280: =back
4281:
4282: =cut
4283:
4284: sub font_settings {
4285: my $headerstring='';
4286: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4287: $headerstring.=
4288: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4289: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4290: $headerstring.=
4291: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4292: }
4293: return $headerstring;
4294: }
4295:
1.341 albertel 4296: =pod
4297:
4298: =over 4
4299:
4300: =item * &xml_begin()
4301:
4302: Returns the needed doctype and <html>
4303:
4304: Inputs: none
4305:
4306: =back
4307:
4308: =cut
4309:
4310: sub xml_begin {
4311: my $output='';
4312:
1.342 albertel 4313: &Apache::lonhtmlcommon::init_htmlareafields();
4314:
1.341 albertel 4315: if ($env{'browser.mathml'}) {
4316: $output='<?xml version="1.0"?>'
4317: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4318: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4319:
4320: # .'<!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">] >'
4321: .'<!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">'
4322: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4323: .'xmlns="http://www.w3.org/1999/xhtml">';
4324: } else {
4325: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4326: }
4327: return $output;
4328: }
1.340 albertel 4329:
4330: =pod
4331:
4332: =over 4
4333:
1.306 albertel 4334: =item * &endheadtag()
4335:
4336: Returns a uniform </head> for LON-CAPA web pages.
4337:
4338: Inputs: none
4339:
4340: =back
4341:
4342: =cut
4343:
4344: sub endheadtag {
4345: return '</head>';
4346: }
4347:
4348: =pod
4349:
4350: =over 4
4351:
4352: =item * &head()
4353:
4354: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4355:
4356: Inputs: $title - optional title for the page
1.307 albertel 4357: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4358:
1.306 albertel 4359: =back
4360:
4361: =cut
4362:
4363: sub head {
1.325 albertel 4364: my ($title,$head_extra,$args) = @_;
4365: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4366: }
4367:
4368: =pod
4369:
4370: =over 4
4371:
4372: =item * &start_page()
4373:
4374: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4375:
4376: Inputs: $title - optional title for the page
4377: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4378: $args - additional optional args supported are:
1.317 albertel 4379: only_body -> is true will set &bodytag() onlybodytag
4380: arg on
4381: no_nav_bar -> is true will set &bodytag() notopbar arg on
4382: add_entries -> additional attributes to add to the <body>
4383: domain -> force to color decorate a page for a
4384: specific domain
4385: function -> force usage of a specific rolish color
4386: scheme
4387: redirect -> see &headtag()
4388: bgcolor -> override the default page bg color
4389: js_ready -> return a string ready for being used in
4390: a javascript writeln
1.320 albertel 4391: html_encode -> return a string ready for being used in
4392: a html attribute
1.317 albertel 4393: force_register -> if is true will turn on the &bodytag()
4394: $forcereg arg
1.326 albertel 4395: body_title -> alternate text to use instead of $title
4396: in the title box that appears, this text
4397: is not auto translated like the $title is
1.330 albertel 4398: frameset -> if true will start with a <frameset>
4399: rather than <body>
1.338 albertel 4400: no_title -> if true the title bar won't be shown
4401: skip_phases -> hash ref of
4402: head -> skip the <html><head> generation
4403: body -> skip all <body> generation
1.337 albertel 4404:
1.361 albertel 4405: no_inline_link -> if true and in remote mode, don't show the
4406: 'Switch To Inline Menu' link
4407:
1.460 albertel 4408: no_auto_mt_title -> prevent &mt()ing the title arg
4409:
1.306 albertel 4410: =back
4411:
4412: =cut
4413:
4414: sub start_page {
1.309 albertel 4415: my ($title,$head_extra,$args) = @_;
1.318 albertel 4416: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4417: my %head_args;
1.352 albertel 4418: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4419: 'bgcolor','frameset','no_nav_bar','only_body',
4420: 'no_auto_mt_title') {
1.319 albertel 4421: if (defined($args->{$arg})) {
1.324 raeburn 4422: $head_args{$arg} = $args->{$arg};
1.319 albertel 4423: }
1.313 albertel 4424: }
1.319 albertel 4425:
1.315 albertel 4426: $env{'internal.start_page'}++;
1.338 albertel 4427: my $result;
4428: if (! exists($args->{'skip_phases'}{'head'}) ) {
4429: $result.=
1.341 albertel 4430: &xml_begin().
1.338 albertel 4431: &headtag($title,$head_extra,\%head_args).&endheadtag();
4432: }
4433:
4434: if (! exists($args->{'skip_phases'}{'body'}) ) {
4435: if ($args->{'frameset'}) {
4436: my $attr_string = &make_attr_string($args->{'force_register'},
4437: $args->{'add_entries'});
4438: $result .= "\n<frameset $attr_string>\n";
4439: } else {
4440: $result .=
4441: &bodytag($title,
4442: $args->{'function'}, $args->{'add_entries'},
4443: $args->{'only_body'}, $args->{'domain'},
4444: $args->{'force_register'}, $args->{'body_title'},
4445: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4446: $args->{'no_title'}, $args->{'no_inline_link'},
4447: $args);
1.338 albertel 4448: }
1.330 albertel 4449: }
1.338 albertel 4450:
1.315 albertel 4451: if ($args->{'js_ready'}) {
1.317 albertel 4452: $result = &js_ready($result);
1.315 albertel 4453: }
1.320 albertel 4454: if ($args->{'html_encode'}) {
4455: $result = &html_encode($result);
4456: }
1.315 albertel 4457: return $result;
1.306 albertel 4458: }
4459:
1.330 albertel 4460:
1.306 albertel 4461: =pod
4462:
4463: =over 4
4464:
4465: =item * &head()
4466:
4467: Returns a complete </body></html> section for LON-CAPA web pages.
4468:
1.315 albertel 4469: Inputs: $args - additional optional args supported are:
4470: js_ready -> return a string ready for being used in
4471: a javascript writeln
1.320 albertel 4472: html_encode -> return a string ready for being used in
4473: a html attribute
1.330 albertel 4474: frameset -> if true will start with a <frameset>
4475: rather than <body>
1.493 albertel 4476: dicsussion -> if true will get discussion from
4477: lonxml::xmlend
4478: (you can pass the target and parser arguments
4479: through optional 'target' and 'parser' args
4480: to this routine)
1.306 albertel 4481:
4482: =cut
4483:
4484: sub end_page {
1.315 albertel 4485: my ($args) = @_;
4486: $env{'internal.end_page'}++;
1.330 albertel 4487: my $result;
1.335 albertel 4488: if ($args->{'discussion'}) {
4489: my ($target,$parser);
4490: if (ref($args->{'discussion'})) {
4491: ($target,$parser) =($args->{'discussion'}{'target'},
4492: $args->{'discussion'}{'parser'});
4493: }
4494: $result .= &Apache::lonxml::xmlend($target,$parser);
4495: }
4496:
1.330 albertel 4497: if ($args->{'frameset'}) {
4498: $result .= '</frameset>';
4499: } else {
4500: $result .= &endbodytag();
4501: }
4502: $result .= "\n</html>";
4503:
1.315 albertel 4504: if ($args->{'js_ready'}) {
1.317 albertel 4505: $result = &js_ready($result);
1.315 albertel 4506: }
1.335 albertel 4507:
1.320 albertel 4508: if ($args->{'html_encode'}) {
4509: $result = &html_encode($result);
4510: }
1.335 albertel 4511:
1.315 albertel 4512: return $result;
4513: }
4514:
1.320 albertel 4515: sub html_encode {
4516: my ($result) = @_;
4517:
1.322 albertel 4518: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4519:
4520: return $result;
4521: }
1.317 albertel 4522: sub js_ready {
4523: my ($result) = @_;
4524:
1.323 albertel 4525: $result =~ s/[\n\r]/ /xmsg;
4526: $result =~ s/\\/\\\\/xmsg;
4527: $result =~ s/'/\\'/xmsg;
1.372 albertel 4528: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4529:
4530: return $result;
4531: }
4532:
1.315 albertel 4533: sub validate_page {
4534: if ( exists($env{'internal.start_page'})
1.316 albertel 4535: && $env{'internal.start_page'} > 1) {
4536: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4537: $env{'internal.start_page'}.' '.
1.316 albertel 4538: $ENV{'request.filename'});
1.315 albertel 4539: }
4540: if ( exists($env{'internal.end_page'})
1.316 albertel 4541: && $env{'internal.end_page'} > 1) {
4542: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4543: $env{'internal.end_page'}.' '.
1.316 albertel 4544: $env{'request.filename'});
1.315 albertel 4545: }
4546: if ( exists($env{'internal.start_page'})
4547: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4548: &Apache::lonnet::logthis('start_page called without end_page '.
4549: $env{'request.filename'});
1.315 albertel 4550: }
4551: if ( ! exists($env{'internal.start_page'})
4552: && exists($env{'internal.end_page'})) {
1.316 albertel 4553: &Apache::lonnet::logthis('end_page called without start_page'.
4554: $env{'request.filename'});
1.315 albertel 4555: }
1.306 albertel 4556: }
1.315 albertel 4557:
1.318 albertel 4558: sub simple_error_page {
4559: my ($r,$title,$msg) = @_;
4560: my $page =
4561: &Apache::loncommon::start_page($title).
4562: &mt($msg).
4563: &Apache::loncommon::end_page();
4564: if (ref($r)) {
4565: $r->print($page);
1.327 albertel 4566: return;
1.318 albertel 4567: }
4568: return $page;
4569: }
1.347 albertel 4570:
4571: {
4572: my $row_count;
4573: sub start_data_table {
1.422 albertel 4574: my ($add_class) = @_;
4575: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4576: undef($row_count);
1.422 albertel 4577: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4578: }
4579:
4580: sub end_data_table {
4581: undef($row_count);
1.389 albertel 4582: return '</table>'."\n";;
1.347 albertel 4583: }
4584:
4585: sub start_data_table_row {
1.422 albertel 4586: my ($add_class) = @_;
1.347 albertel 4587: $row_count++;
1.422 albertel 4588: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4589: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4590: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4591: }
1.471 banghart 4592:
4593: sub continue_data_table_row {
4594: my ($add_class) = @_;
4595: my $css_class = ($row_count % 2)?'':'LC_even_row';
4596: $css_class = (join(' ',$css_class,$add_class));
4597: return '<tr class="'.$css_class.'">'."\n";;
4598: }
1.347 albertel 4599:
4600: sub end_data_table_row {
1.389 albertel 4601: return '</tr>'."\n";;
1.347 albertel 4602: }
1.367 www 4603:
1.421 albertel 4604: sub start_data_table_empty_row {
4605: $row_count++;
4606: return '<tr class="LC_empty_row" >'."\n";;
4607: }
4608:
4609: sub end_data_table_empty_row {
4610: return '</tr>'."\n";;
4611: }
4612:
1.367 www 4613: sub start_data_table_header_row {
1.389 albertel 4614: return '<tr class="LC_header_row">'."\n";;
1.367 www 4615: }
4616:
4617: sub end_data_table_header_row {
1.389 albertel 4618: return '</tr>'."\n";;
1.367 www 4619: }
1.347 albertel 4620: }
4621:
1.251 albertel 4622: ###############################################
1.182 matthew 4623:
4624: =pod
4625:
1.405 albertel 4626: =item * &get_users_function()
1.182 matthew 4627:
4628: Used by &bodytag to determine the current users primary role.
4629: Returns either 'student','coordinator','admin', or 'author'.
4630:
4631: =cut
4632:
4633: ###############################################
4634: sub get_users_function {
4635: my $function = 'student';
1.258 albertel 4636: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4637: $function='coordinator';
4638: }
1.258 albertel 4639: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4640: $function='admin';
4641: }
1.258 albertel 4642: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4643: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4644: $function='author';
4645: }
4646: return $function;
1.54 www 4647: }
1.99 www 4648:
4649: ###############################################
4650:
1.233 raeburn 4651: =pod
4652:
1.405 albertel 4653: =item * &check_user_status
1.274 raeburn 4654:
4655: Determines current status of supplied role for a
4656: specific user. Roles can be active, previous or future.
4657:
4658: Inputs:
4659: user's domain, user's username, course's domain,
1.375 raeburn 4660: course's number, optional section ID.
1.274 raeburn 4661:
4662: Outputs:
4663: role status: active, previous or future.
4664:
4665: =cut
4666:
4667: sub check_user_status {
1.412 raeburn 4668: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 4669: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
4670: my @uroles = keys %userinfo;
4671: my $srchstr;
4672: my $active_chk = 'none';
1.412 raeburn 4673: my $now = time;
1.274 raeburn 4674: if (@uroles > 0) {
1.412 raeburn 4675: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 4676: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
4677: } else {
1.412 raeburn 4678: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
4679: }
4680: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 4681: my $role_end = 0;
4682: my $role_start = 0;
4683: $active_chk = 'active';
1.412 raeburn 4684: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
4685: $role_end = $1;
4686: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
4687: $role_start = $1;
1.274 raeburn 4688: }
4689: }
4690: if ($role_start > 0) {
1.412 raeburn 4691: if ($now < $role_start) {
1.274 raeburn 4692: $active_chk = 'future';
4693: }
4694: }
4695: if ($role_end > 0) {
1.412 raeburn 4696: if ($now > $role_end) {
1.274 raeburn 4697: $active_chk = 'previous';
4698: }
4699: }
4700: }
4701: }
4702: return $active_chk;
4703: }
4704:
4705: ###############################################
4706:
4707: =pod
4708:
1.405 albertel 4709: =item * &get_sections()
1.233 raeburn 4710:
4711: Determines all the sections for a course including
4712: sections with students and sections containing other roles.
1.419 raeburn 4713: Incoming parameters:
4714:
4715: 1. domain
4716: 2. course number
4717: 3. reference to array containing roles for which sections should
4718: be gathered (optional).
4719: 4. reference to array containing status types for which sections
4720: should be gathered (optional).
4721:
4722: If the third argument is undefined, sections are gathered for any role.
4723: If the fourth argument is undefined, sections are gathered for any status.
4724: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 4725:
1.374 raeburn 4726: Returns section hash (keys are section IDs, values are
4727: number of users in each section), subject to the
1.419 raeburn 4728: optional roles filter, optional status filter
1.233 raeburn 4729:
4730: =cut
4731:
4732: ###############################################
4733: sub get_sections {
1.419 raeburn 4734: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 4735: if (!defined($cdom) || !defined($cnum)) {
4736: my $cid = $env{'request.course.id'};
4737:
4738: return if (!defined($cid));
4739:
4740: $cdom = $env{'course.'.$cid.'.domain'};
4741: $cnum = $env{'course.'.$cid.'.num'};
4742: }
4743:
4744: my %sectioncount;
1.419 raeburn 4745: my $now = time;
1.240 albertel 4746:
1.366 albertel 4747: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 4748: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 4749: my $sec_index = &Apache::loncoursedata::CL_SECTION();
4750: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 4751: my $start_index = &Apache::loncoursedata::CL_START();
4752: my $end_index = &Apache::loncoursedata::CL_END();
4753: my $status;
1.366 albertel 4754: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 4755: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
4756: $data->[$status_index],
4757: $data->[$start_index],
4758: $data->[$end_index]);
4759: if ($stu_status eq 'Active') {
4760: $status = 'active';
4761: } elsif ($end < $now) {
4762: $status = 'previous';
4763: } elsif ($start > $now) {
4764: $status = 'future';
4765: }
4766: if ($section ne '-1' && $section !~ /^\s*$/) {
4767: if ((!defined($possible_status)) || (($status ne '') &&
4768: (grep/^\Q$status\E$/,@{$possible_status}))) {
4769: $sectioncount{$section}++;
4770: }
1.240 albertel 4771: }
4772: }
4773: }
4774: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4775: foreach my $user (sort(keys(%courseroles))) {
4776: if ($user !~ /^(\w{2})/) { next; }
4777: my ($role) = ($user =~ /^(\w{2})/);
4778: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 4779: my ($section,$status);
1.240 albertel 4780: if ($role eq 'cr' &&
4781: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
4782: $section=$1;
4783: }
4784: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
4785: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 4786: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
4787: if ($end == -1 && $start == -1) {
4788: next; #deleted role
4789: }
4790: if (!defined($possible_status)) {
4791: $sectioncount{$section}++;
4792: } else {
4793: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
4794: $status = 'active';
4795: } elsif ($end < $now) {
4796: $status = 'future';
4797: } elsif ($start > $now) {
4798: $status = 'previous';
4799: }
4800: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
4801: $sectioncount{$section}++;
4802: }
4803: }
1.233 raeburn 4804: }
1.366 albertel 4805: return %sectioncount;
1.233 raeburn 4806: }
4807:
1.274 raeburn 4808: ###############################################
1.294 raeburn 4809:
4810: =pod
1.405 albertel 4811:
4812: =item * &get_course_users()
4813:
1.275 raeburn 4814: Retrieves usernames:domains for users in the specified course
4815: with specific role(s), and access status.
4816:
4817: Incoming parameters:
1.277 albertel 4818: 1. course domain
4819: 2. course number
4820: 3. access status: users must have - either active,
1.275 raeburn 4821: previous, future, or all.
1.277 albertel 4822: 4. reference to array of permissible roles
1.288 raeburn 4823: 5. reference to array of section restrictions (optional)
4824: 6. reference to results object (hash of hashes).
4825: 7. reference to optional userdata hash
1.275 raeburn 4826: Keys of top level hash are roles.
4827: Keys of inner hashes are username:domain, with
4828: values set to access type.
1.288 raeburn 4829: Optional userdata hash returns an array with arguments in the
4830: same order as loncoursedata::get_classlist() for student data.
4831:
4832: Entries for end, start, section and status are blank because
4833: of the possibility of multiple values for non-student roles.
4834:
1.275 raeburn 4835: =cut
1.405 albertel 4836:
1.275 raeburn 4837: ###############################################
1.405 albertel 4838:
1.275 raeburn 4839: sub get_course_users {
1.288 raeburn 4840: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
4841: my %idx = ();
1.419 raeburn 4842: my %seclists;
1.288 raeburn 4843:
4844: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
4845: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
4846: $idx{end} = &Apache::loncoursedata::CL_END();
4847: $idx{start} = &Apache::loncoursedata::CL_START();
4848: $idx{id} = &Apache::loncoursedata::CL_ID();
4849: $idx{section} = &Apache::loncoursedata::CL_SECTION();
4850: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
4851: $idx{status} = &Apache::loncoursedata::CL_STATUS();
4852:
1.290 albertel 4853: if (grep(/^st$/,@{$roles})) {
1.276 albertel 4854: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 4855: my $now = time;
1.277 albertel 4856: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 4857: my $match = 0;
1.412 raeburn 4858: my $secmatch = 0;
1.419 raeburn 4859: my $section = $$classlist{$student}[$idx{section}];
4860: if ($section eq '') {
4861: $section = 'none';
4862: }
1.291 albertel 4863: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4864: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4865: $secmatch = 1;
4866: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 4867: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4868: $secmatch = 1;
4869: }
4870: } else {
1.419 raeburn 4871: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 4872: $secmatch = 1;
4873: }
1.290 albertel 4874: }
1.412 raeburn 4875: if (!$secmatch) {
4876: next;
4877: }
1.419 raeburn 4878: }
1.420 albertel 4879: push(@{$seclists{$student}},$section);
1.275 raeburn 4880: if (defined($$types{'active'})) {
1.288 raeburn 4881: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 4882: push(@{$$users{st}{$student}},'active');
1.288 raeburn 4883: $match = 1;
1.275 raeburn 4884: }
4885: }
4886: if (defined($$types{'previous'})) {
1.288 raeburn 4887: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 4888: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 4889: $match = 1;
1.275 raeburn 4890: }
4891: }
4892: if (defined($$types{'future'})) {
1.288 raeburn 4893: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 4894: push(@{$$users{st}{$student}},'future');
1.288 raeburn 4895: $match = 1;
1.275 raeburn 4896: }
4897: }
1.412 raeburn 4898: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 4899: $$userdata{$student} = $$classlist{$student};
4900: }
1.275 raeburn 4901: }
4902: }
1.412 raeburn 4903: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 4904: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4905: my $now = time;
4906: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 4907: my $match = 0;
1.412 raeburn 4908: my $secmatch = 0;
1.439 raeburn 4909: my $status;
1.412 raeburn 4910: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 4911: $user =~ s/:$//;
1.439 raeburn 4912: my ($end,$start) = split(/:/,$coursepersonnel{$person});
4913: if ($end == -1 || $start == -1) {
4914: next;
4915: }
4916: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
4917: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 4918: my ($uname,$udom) = split(/:/,$user);
4919: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4920: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4921: $secmatch = 1;
4922: } elsif ($usec eq '') {
1.420 albertel 4923: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4924: $secmatch = 1;
4925: }
4926: } else {
4927: if (grep(/^\Q$usec\E$/,@{$sections})) {
4928: $secmatch = 1;
4929: }
4930: }
4931: if (!$secmatch) {
4932: next;
4933: }
1.288 raeburn 4934: }
1.419 raeburn 4935: if ($usec eq '') {
4936: $usec = 'none';
4937: }
1.275 raeburn 4938: if ($uname ne '' && $udom ne '') {
1.439 raeburn 4939: if ($end < $now) {
4940: $status = 'previous';
4941: } elsif ($start > $now) {
4942: $status = 'future';
4943: } else {
4944: $status = 'active';
4945: }
1.277 albertel 4946: foreach my $type (keys(%{$types})) {
1.275 raeburn 4947: if ($status eq $type) {
1.420 albertel 4948: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 4949: push(@{$$users{$role}{$user}},$type);
4950: }
1.288 raeburn 4951: $match = 1;
4952: }
4953: }
1.419 raeburn 4954: if (($match) && (ref($userdata) eq 'HASH')) {
4955: if (!exists($$userdata{$uname.':'.$udom})) {
4956: &get_user_info($udom,$uname,\%idx,$userdata);
4957: }
1.420 albertel 4958: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 4959: push(@{$seclists{$uname.':'.$udom}},$usec);
4960: }
1.275 raeburn 4961: }
4962: }
4963: }
4964: }
1.290 albertel 4965: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 4966: if ((defined($cdom)) && (defined($cnum))) {
4967: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
4968: if ( defined($csettings{'internal.courseowner'}) ) {
4969: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 4970: if ($owner !~ /^[^:]+:[^:]+$/) {
4971: $owner = $owner.':'.$cdom;
4972: }
4973: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 4974: if (defined($userdata) &&
4975: !exists($$userdata{$owner.':'.$cdom})) {
4976: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 4977: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 4978: push(@{$seclists{$owner.':'.$cdom}},'none');
4979: }
1.290 albertel 4980: }
1.279 raeburn 4981: }
4982: }
4983: }
1.419 raeburn 4984: foreach my $user (keys(%seclists)) {
4985: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
4986: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
4987: }
1.275 raeburn 4988: }
4989: return;
4990: }
4991:
1.288 raeburn 4992: sub get_user_info {
4993: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 4994: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
4995: &plainname($uname,$udom,'lastname');
1.291 albertel 4996: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 4997: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 4998: return;
4999: }
1.275 raeburn 5000:
1.472 raeburn 5001: ###############################################
5002:
5003: =pod
5004:
5005: =item * &get_user_quota()
5006:
5007: Retrieves quota assigned for storage of portfolio files for a user
5008:
5009: Incoming parameters:
5010: 1. user's username
5011: 2. user's domain
5012:
5013: Returns:
5014: 1. Disk quota (in Mb) assigned to student.
5015:
5016: If a value has been stored in the user's environment,
5017: it will return that, otherwise it returns the default
5018: for users in the domain.
5019:
5020: =cut
5021:
5022: ###############################################
5023:
5024:
5025: sub get_user_quota {
5026: my ($uname,$udom) = @_;
5027: my $quota;
5028: if (!defined($udom)) {
5029: $udom = $env{'user.domain'};
5030: }
5031: if (!defined($uname)) {
5032: $uname = $env{'user.name'};
5033: }
5034: if (($udom eq '' || $uname eq '') ||
5035: ($udom eq 'public') && ($uname eq 'public')) {
5036: $quota = 0;
5037: } else {
5038: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5039: $quota = $env{'environment.portfolioquota'};
5040: } else {
5041: my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
5042: my ($tmp) = keys(%userenv);
5043: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5044: $quota = $userenv{'portfolioquota'};
5045: } else {
5046: undef(%userenv);
5047: }
5048: }
5049: if ($quota eq '') {
5050: $quota = &default_quota($udom);
5051: }
5052: }
5053: return $quota;
5054: }
5055:
5056: ###############################################
5057:
5058: =pod
5059:
5060: =item * &default_quota()
5061:
5062: Retrieves default quota assigned for storage of user portfolio files
5063:
5064: Incoming parameters:
5065: 1. domain
5066:
5067: Returns:
5068: 1. Default disk quota (in Mb) for user portfolios in the domain.
5069:
5070: If a value has been stored in the domain's configuration db,
5071: it will return that, otherwise it returns 20 (for backwards
5072: compatibility with domains which have not set up a configuration
5073: db file; the original statically defined portfolio quota was 20 Mb).
5074:
5075: =cut
5076:
5077: ###############################################
5078:
5079:
5080: sub default_quota {
5081: my ($udom) = @_;
5082: my %defaults = &Apache::lonnet::get_dom('configuration',
5083: ['portfolioquota'],$udom);
5084: if ($defaults{'portfolioquota'} ne '') {
5085: return $defaults{'portfolioquota'};
5086: } else {
5087: return '20';
5088: }
5089: }
5090:
1.384 raeburn 5091: sub get_secgrprole_info {
5092: my ($cdom,$cnum,$needroles,$type) = @_;
5093: my %sections_count = &get_sections($cdom,$cnum);
5094: my @sections = (sort {$a <=> $b} keys(%sections_count));
5095: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5096: my @groups = sort(keys(%curr_groups));
5097: my $allroles = [];
5098: my $rolehash;
5099: my $accesshash = {
5100: active => 'Currently has access',
5101: future => 'Will have future access',
5102: previous => 'Previously had access',
5103: };
5104: if ($needroles) {
5105: $rolehash = {'all' => 'all'};
1.385 albertel 5106: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5107: if (&Apache::lonnet::error(%user_roles)) {
5108: undef(%user_roles);
5109: }
5110: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5111: my ($role)=split(/\:/,$item,2);
5112: if ($role eq 'cr') { next; }
5113: if ($role =~ /^cr/) {
5114: $$rolehash{$role} = (split('/',$role))[3];
5115: } else {
5116: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5117: }
5118: }
5119: foreach my $key (sort(keys(%{$rolehash}))) {
5120: push(@{$allroles},$key);
5121: }
5122: push (@{$allroles},'st');
5123: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5124: }
5125: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5126: }
5127:
1.112 bowersj2 5128: =pod
5129:
5130: =item * get_unprocessed_cgi($query,$possible_names)
5131:
1.258 albertel 5132: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5133: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5134: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5135:
5136: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5137: $possible_names is an ref to an array of form element names. As an example:
5138: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5139: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5140:
5141: =cut
1.1 albertel 5142:
1.6 albertel 5143: sub get_unprocessed_cgi {
1.25 albertel 5144: my ($query,$possible_names)= @_;
1.26 matthew 5145: # $Apache::lonxml::debug=1;
1.356 albertel 5146: foreach my $pair (split(/&/,$query)) {
5147: my ($name, $value) = split(/=/,$pair);
1.369 www 5148: $name = &unescape($name);
1.25 albertel 5149: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5150: $value =~ tr/+/ /;
5151: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5152: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5153: }
1.16 harris41 5154: }
1.6 albertel 5155: }
5156:
1.112 bowersj2 5157: =pod
5158:
5159: =item * cacheheader()
5160:
5161: returns cache-controlling header code
5162:
5163: =cut
5164:
1.7 albertel 5165: sub cacheheader {
1.258 albertel 5166: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5167: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5168: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5169: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5170: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5171: return $output;
1.7 albertel 5172: }
5173:
1.112 bowersj2 5174: =pod
5175:
5176: =item * no_cache($r)
5177:
5178: specifies header code to not have cache
5179:
5180: =cut
5181:
1.9 albertel 5182: sub no_cache {
1.216 albertel 5183: my ($r) = @_;
5184: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5185: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5186: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5187: $r->no_cache(1);
5188: $r->header_out("Expires" => $date);
5189: $r->header_out("Pragma" => "no-cache");
1.123 www 5190: }
5191:
5192: sub content_type {
1.181 albertel 5193: my ($r,$type,$charset) = @_;
1.299 foxr 5194: if ($r) {
5195: # Note that printout.pl calls this with undef for $r.
5196: &no_cache($r);
5197: }
1.258 albertel 5198: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5199: unless ($charset) {
5200: $charset=&Apache::lonlocal::current_encoding;
5201: }
5202: if ($charset) { $type.='; charset='.$charset; }
5203: if ($r) {
5204: $r->content_type($type);
5205: } else {
5206: print("Content-type: $type\n\n");
5207: }
1.9 albertel 5208: }
1.25 albertel 5209:
1.112 bowersj2 5210: =pod
5211:
5212: =item * add_to_env($name,$value)
5213:
1.258 albertel 5214: adds $name to the %env hash with value
1.112 bowersj2 5215: $value, if $name already exists, the entry is converted to an array
5216: reference and $value is added to the array.
5217:
5218: =cut
5219:
1.25 albertel 5220: sub add_to_env {
5221: my ($name,$value)=@_;
1.258 albertel 5222: if (defined($env{$name})) {
5223: if (ref($env{$name})) {
1.25 albertel 5224: #already have multiple values
1.258 albertel 5225: push(@{ $env{$name} },$value);
1.25 albertel 5226: } else {
5227: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5228: my $first=$env{$name};
5229: undef($env{$name});
5230: push(@{ $env{$name} },$first,$value);
1.25 albertel 5231: }
5232: } else {
1.258 albertel 5233: $env{$name}=$value;
1.25 albertel 5234: }
1.31 albertel 5235: }
1.149 albertel 5236:
5237: =pod
5238:
5239: =item * get_env_multiple($name)
5240:
1.258 albertel 5241: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5242: values may be defined and end up as an array ref.
5243:
5244: returns an array of values
5245:
5246: =cut
5247:
5248: sub get_env_multiple {
5249: my ($name) = @_;
5250: my @values;
1.258 albertel 5251: if (defined($env{$name})) {
1.149 albertel 5252: # exists is it an array
1.258 albertel 5253: if (ref($env{$name})) {
5254: @values=@{ $env{$name} };
1.149 albertel 5255: } else {
1.258 albertel 5256: $values[0]=$env{$name};
1.149 albertel 5257: }
5258: }
5259: return(@values);
5260: }
5261:
1.31 albertel 5262:
1.41 ng 5263: =pod
1.45 matthew 5264:
1.464 albertel 5265: =back
1.41 ng 5266:
1.112 bowersj2 5267: =head1 CSV Upload/Handling functions
1.38 albertel 5268:
1.41 ng 5269: =over 4
5270:
1.112 bowersj2 5271: =item * upfile_store($r)
1.41 ng 5272:
5273: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5274: needs $env{'form.upfile'}
1.41 ng 5275: returns $datatoken to be put into hidden field
5276:
5277: =cut
1.31 albertel 5278:
5279: sub upfile_store {
5280: my $r=shift;
1.258 albertel 5281: $env{'form.upfile'}=~s/\r/\n/gs;
5282: $env{'form.upfile'}=~s/\f/\n/gs;
5283: $env{'form.upfile'}=~s/\n+/\n/gs;
5284: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5285:
1.258 albertel 5286: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5287: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5288: {
1.158 raeburn 5289: my $datafile = $r->dir_config('lonDaemons').
5290: '/tmp/'.$datatoken.'.tmp';
5291: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5292: print $fh $env{'form.upfile'};
1.158 raeburn 5293: close($fh);
5294: }
1.31 albertel 5295: }
5296: return $datatoken;
5297: }
5298:
1.56 matthew 5299: =pod
5300:
1.112 bowersj2 5301: =item * load_tmp_file($r)
1.41 ng 5302:
5303: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5304: needs $env{'form.datatoken'},
5305: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5306:
5307: =cut
1.31 albertel 5308:
5309: sub load_tmp_file {
5310: my $r=shift;
5311: my @studentdata=();
5312: {
1.158 raeburn 5313: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5314: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5315: if ( open(my $fh,"<$studentfile") ) {
5316: @studentdata=<$fh>;
5317: close($fh);
5318: }
1.31 albertel 5319: }
1.258 albertel 5320: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5321: }
5322:
1.56 matthew 5323: =pod
5324:
1.112 bowersj2 5325: =item * upfile_record_sep()
1.41 ng 5326:
5327: Separate uploaded file into records
5328: returns array of records,
1.258 albertel 5329: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5330:
5331: =cut
1.31 albertel 5332:
5333: sub upfile_record_sep {
1.258 albertel 5334: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5335: } else {
1.248 albertel 5336: my @records;
1.258 albertel 5337: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5338: if ($line=~/^\s*$/) { next; }
5339: push(@records,$line);
5340: }
5341: return @records;
1.31 albertel 5342: }
5343: }
5344:
1.56 matthew 5345: =pod
5346:
1.112 bowersj2 5347: =item * record_sep($record)
1.41 ng 5348:
1.258 albertel 5349: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5350:
5351: =cut
5352:
1.263 www 5353: sub takeleft {
5354: my $index=shift;
5355: return substr('0000'.$index,-4,4);
5356: }
5357:
1.31 albertel 5358: sub record_sep {
5359: my $record=shift;
5360: my %components=();
1.258 albertel 5361: if ($env{'form.upfiletype'} eq 'xml') {
5362: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5363: my $i=0;
1.356 albertel 5364: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5365: $field=~s/^(\"|\')//;
5366: $field=~s/(\"|\')$//;
1.263 www 5367: $components{&takeleft($i)}=$field;
1.31 albertel 5368: $i++;
5369: }
1.258 albertel 5370: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5371: my $i=0;
1.356 albertel 5372: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5373: $field=~s/^(\"|\')//;
5374: $field=~s/(\"|\')$//;
1.263 www 5375: $components{&takeleft($i)}=$field;
1.31 albertel 5376: $i++;
5377: }
5378: } else {
1.480 banghart 5379: my @allfields;
5380: if ($env{'form.upfiletype'} eq 'semisv') {
5381: @allfields=split(/;/,$record);
5382: } else {
5383: @allfields=split(/\,/,$record);
5384: }
1.31 albertel 5385: my $i=0;
5386: my $j;
5387: for ($j=0;$j<=$#allfields;$j++) {
5388: my $field=$allfields[$j];
5389: if ($field=~/^\s*(\"|\')/) {
5390: my $delimiter=$1;
5391: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
5392: $j++;
5393: $field.=','.$allfields[$j];
5394: }
5395: $field=~s/^\s*$delimiter//;
5396: $field=~s/$delimiter\s*$//;
5397: }
1.263 www 5398: $components{&takeleft($i)}=$field;
1.31 albertel 5399: $i++;
5400: }
5401: }
5402: return %components;
5403: }
5404:
1.144 matthew 5405: ######################################################
5406: ######################################################
5407:
1.56 matthew 5408: =pod
5409:
1.112 bowersj2 5410: =item * upfile_select_html()
1.41 ng 5411:
1.144 matthew 5412: Return HTML code to select a file from the users machine and specify
5413: the file type.
1.41 ng 5414:
5415: =cut
5416:
1.144 matthew 5417: ######################################################
5418: ######################################################
1.31 albertel 5419: sub upfile_select_html {
1.144 matthew 5420: my %Types = (
5421: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 5422: semisv => &mt('Semicolon separated values'),
1.144 matthew 5423: space => &mt('Space separated'),
5424: tab => &mt('Tabulator separated'),
5425: # xml => &mt('HTML/XML'),
5426: );
5427: my $Str = '<input type="file" name="upfile" size="50" />'.
5428: '<br />Type: <select name="upfiletype">';
5429: foreach my $type (sort(keys(%Types))) {
5430: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
5431: }
5432: $Str .= "</select>\n";
5433: return $Str;
1.31 albertel 5434: }
5435:
1.301 albertel 5436: sub get_samples {
5437: my ($records,$toget) = @_;
5438: my @samples=({});
5439: my $got=0;
5440: foreach my $rec (@$records) {
5441: my %temp = &record_sep($rec);
5442: if (! grep(/\S/, values(%temp))) { next; }
5443: if (%temp) {
5444: $samples[$got]=\%temp;
5445: $got++;
5446: if ($got == $toget) { last; }
5447: }
5448: }
5449: return \@samples;
5450: }
5451:
1.144 matthew 5452: ######################################################
5453: ######################################################
5454:
1.56 matthew 5455: =pod
5456:
1.112 bowersj2 5457: =item * csv_print_samples($r,$records)
1.41 ng 5458:
5459: Prints a table of sample values from each column uploaded $r is an
5460: Apache Request ref, $records is an arrayref from
5461: &Apache::loncommon::upfile_record_sep
5462:
5463: =cut
5464:
1.144 matthew 5465: ######################################################
5466: ######################################################
1.31 albertel 5467: sub csv_print_samples {
5468: my ($r,$records) = @_;
1.301 albertel 5469: my $samples = &get_samples($records,3);
5470:
1.144 matthew 5471: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 5472: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5473: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 5474: $r->print('</tr>');
1.301 albertel 5475: foreach my $hash (@$samples) {
1.31 albertel 5476: $r->print('<tr>');
1.356 albertel 5477: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 5478: $r->print('<td>');
1.356 albertel 5479: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 5480: $r->print('</td>');
5481: }
5482: $r->print('</tr>');
5483: }
5484: $r->print('</tr></table><br />'."\n");
5485: }
5486:
1.144 matthew 5487: ######################################################
5488: ######################################################
5489:
1.56 matthew 5490: =pod
5491:
1.112 bowersj2 5492: =item * csv_print_select_table($r,$records,$d)
1.41 ng 5493:
5494: Prints a table to create associations between values and table columns.
1.144 matthew 5495:
1.41 ng 5496: $r is an Apache Request ref,
5497: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 5498: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 5499:
5500: =cut
5501:
1.144 matthew 5502: ######################################################
5503: ######################################################
1.31 albertel 5504: sub csv_print_select_table {
5505: my ($r,$records,$d) = @_;
1.301 albertel 5506: my $i=0;
5507: my $samples = &get_samples($records,1);
1.144 matthew 5508: $r->print(&mt('Associate columns with student attributes.')."\n".
5509: '<table border="2"><tr>'.
5510: '<th>'.&mt('Attribute').'</th>'.
5511: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 5512: foreach my $array_ref (@$d) {
5513: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 5514: $r->print('<tr><td>'.$display.'</td>');
5515:
5516: $r->print('<td><select name=f'.$i.
1.32 matthew 5517: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 5518: $r->print('<option value="none"></option>');
1.356 albertel 5519: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5520: $r->print('<option value="'.$sample.'"'.
5521: ($sample eq $defaultcol ? ' selected="selected" ' : '').
5522: '>Column '.($sample+1).'</option>');
1.31 albertel 5523: }
5524: $r->print('</select></td></tr>'."\n");
5525: $i++;
5526: }
5527: $i--;
5528: return $i;
5529: }
1.56 matthew 5530:
1.144 matthew 5531: ######################################################
5532: ######################################################
5533:
1.56 matthew 5534: =pod
1.31 albertel 5535:
1.112 bowersj2 5536: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 5537:
5538: Prints a table of sample values from the upload and can make associate samples to internal names.
5539:
5540: $r is an Apache Request ref,
5541: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
5542: $d is an array of 2 element arrays (internal name, displayed name)
5543:
5544: =cut
5545:
1.144 matthew 5546: ######################################################
5547: ######################################################
1.31 albertel 5548: sub csv_samples_select_table {
5549: my ($r,$records,$d) = @_;
5550: my $i=0;
1.144 matthew 5551: #
1.301 albertel 5552: my $samples = &get_samples($records,3);
1.144 matthew 5553: $r->print('<table border=2><tr><th>'.
5554: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 5555:
5556: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 5557: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 5558: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 5559: foreach my $option (@$d) {
5560: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 5561: $r->print('<option value="'.$value.'"'.
1.253 albertel 5562: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 5563: $display.'</option>');
1.31 albertel 5564: }
5565: $r->print('</select></td><td>');
1.301 albertel 5566: foreach my $line (0..2) {
5567: if (defined($samples->[$line]{$key})) {
5568: $r->print($samples->[$line]{$key}."<br />\n");
5569: }
5570: }
1.31 albertel 5571: $r->print('</td></tr>');
5572: $i++;
5573: }
5574: $i--;
5575: return($i);
1.115 matthew 5576: }
5577:
1.144 matthew 5578: ######################################################
5579: ######################################################
5580:
1.115 matthew 5581: =pod
5582:
5583: =item clean_excel_name($name)
5584:
5585: Returns a replacement for $name which does not contain any illegal characters.
5586:
5587: =cut
5588:
1.144 matthew 5589: ######################################################
5590: ######################################################
1.115 matthew 5591: sub clean_excel_name {
5592: my ($name) = @_;
5593: $name =~ s/[:\*\?\/\\]//g;
5594: if (length($name) > 31) {
5595: $name = substr($name,0,31);
5596: }
5597: return $name;
1.25 albertel 5598: }
1.84 albertel 5599:
1.85 albertel 5600: =pod
5601:
1.112 bowersj2 5602: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 5603:
5604: Returns either 1 or undef
5605:
5606: 1 if the part is to be hidden, undef if it is to be shown
5607:
5608: Arguments are:
5609:
5610: $id the id of the part to be checked
5611: $symb, optional the symb of the resource to check
5612: $udom, optional the domain of the user to check for
5613: $uname, optional the username of the user to check for
5614:
5615: =cut
1.84 albertel 5616:
5617: sub check_if_partid_hidden {
5618: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 5619: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 5620: $symb,$udom,$uname);
1.141 albertel 5621: my $truth=1;
5622: #if the string starts with !, then the list is the list to show not hide
5623: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 5624: my @hiddenlist=split(/,/,$hiddenparts);
5625: foreach my $checkid (@hiddenlist) {
1.141 albertel 5626: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 5627: }
1.141 albertel 5628: return !$truth;
1.84 albertel 5629: }
1.127 matthew 5630:
1.138 matthew 5631:
5632: ############################################################
5633: ############################################################
5634:
5635: =pod
5636:
1.157 matthew 5637: =back
5638:
1.138 matthew 5639: =head1 cgi-bin script and graphing routines
5640:
1.157 matthew 5641: =over 4
5642:
1.138 matthew 5643: =item get_cgi_id
5644:
5645: Inputs: none
5646:
5647: Returns an id which can be used to pass environment variables
5648: to various cgi-bin scripts. These environment variables will
5649: be removed from the users environment after a given time by
5650: the routine &Apache::lonnet::transfer_profile_to_env.
5651:
5652: =cut
5653:
5654: ############################################################
5655: ############################################################
1.152 albertel 5656: my $uniq=0;
1.136 matthew 5657: sub get_cgi_id {
1.154 albertel 5658: $uniq=($uniq+1)%100000;
1.280 albertel 5659: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 5660: }
5661:
1.127 matthew 5662: ############################################################
5663: ############################################################
5664:
5665: =pod
5666:
1.134 matthew 5667: =item DrawBarGraph
1.127 matthew 5668:
1.138 matthew 5669: Facilitates the plotting of data in a (stacked) bar graph.
5670: Puts plot definition data into the users environment in order for
5671: graph.png to plot it. Returns an <img> tag for the plot.
5672: The bars on the plot are labeled '1','2',...,'n'.
5673:
5674: Inputs:
5675:
5676: =over 4
5677:
5678: =item $Title: string, the title of the plot
5679:
5680: =item $xlabel: string, text describing the X-axis of the plot
5681:
5682: =item $ylabel: string, text describing the Y-axis of the plot
5683:
5684: =item $Max: scalar, the maximum Y value to use in the plot
5685: If $Max is < any data point, the graph will not be rendered.
5686:
1.140 matthew 5687: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 5688: they are plotted. If undefined, default values will be used.
5689:
1.178 matthew 5690: =item $labels: array ref holding the labels to use on the x-axis for the bars.
5691:
1.138 matthew 5692: =item @Values: An array of array references. Each array reference holds data
5693: to be plotted in a stacked bar chart.
5694:
1.239 matthew 5695: =item If the final element of @Values is a hash reference the key/value
5696: pairs will be added to the graph definition.
5697:
1.138 matthew 5698: =back
5699:
5700: Returns:
5701:
5702: An <img> tag which references graph.png and the appropriate identifying
5703: information for the plot.
5704:
1.127 matthew 5705: =cut
5706:
5707: ############################################################
5708: ############################################################
1.134 matthew 5709: sub DrawBarGraph {
1.178 matthew 5710: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 5711: #
5712: if (! defined($colors)) {
5713: $colors = ['#33ff00',
5714: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
5715: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
5716: ];
5717: }
1.228 matthew 5718: my $extra_settings = {};
5719: if (ref($Values[-1]) eq 'HASH') {
5720: $extra_settings = pop(@Values);
5721: }
1.127 matthew 5722: #
1.136 matthew 5723: my $identifier = &get_cgi_id();
5724: my $id = 'cgi.'.$identifier;
1.129 matthew 5725: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 5726: return '';
5727: }
1.225 matthew 5728: #
5729: my @Labels;
5730: if (defined($labels)) {
5731: @Labels = @$labels;
5732: } else {
5733: for (my $i=0;$i<@{$Values[0]};$i++) {
5734: push (@Labels,$i+1);
5735: }
5736: }
5737: #
1.129 matthew 5738: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 5739: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 5740: my %ValuesHash;
5741: my $NumSets=1;
5742: foreach my $array (@Values) {
5743: next if (! ref($array));
1.136 matthew 5744: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 5745: join(',',@$array);
1.129 matthew 5746: }
1.127 matthew 5747: #
1.136 matthew 5748: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 5749: if ($NumBars < 3) {
5750: $width = 120+$NumBars*32;
1.220 matthew 5751: $xskip = 1;
1.225 matthew 5752: $bar_width = 30;
5753: } elsif ($NumBars < 5) {
5754: $width = 120+$NumBars*20;
5755: $xskip = 1;
5756: $bar_width = 20;
1.220 matthew 5757: } elsif ($NumBars < 10) {
1.136 matthew 5758: $width = 120+$NumBars*15;
5759: $xskip = 1;
5760: $bar_width = 15;
5761: } elsif ($NumBars <= 25) {
5762: $width = 120+$NumBars*11;
5763: $xskip = 5;
5764: $bar_width = 8;
5765: } elsif ($NumBars <= 50) {
5766: $width = 120+$NumBars*8;
5767: $xskip = 5;
5768: $bar_width = 4;
5769: } else {
5770: $width = 120+$NumBars*8;
5771: $xskip = 5;
5772: $bar_width = 4;
5773: }
5774: #
1.137 matthew 5775: $Max = 1 if ($Max < 1);
5776: if ( int($Max) < $Max ) {
5777: $Max++;
5778: $Max = int($Max);
5779: }
1.127 matthew 5780: $Title = '' if (! defined($Title));
5781: $xlabel = '' if (! defined($xlabel));
5782: $ylabel = '' if (! defined($ylabel));
1.369 www 5783: $ValuesHash{$id.'.title'} = &escape($Title);
5784: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
5785: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 5786: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 5787: $ValuesHash{$id.'.NumBars'} = $NumBars;
5788: $ValuesHash{$id.'.NumSets'} = $NumSets;
5789: $ValuesHash{$id.'.PlotType'} = 'bar';
5790: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5791: $ValuesHash{$id.'.height'} = $height;
5792: $ValuesHash{$id.'.width'} = $width;
5793: $ValuesHash{$id.'.xskip'} = $xskip;
5794: $ValuesHash{$id.'.bar_width'} = $bar_width;
5795: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 5796: #
1.228 matthew 5797: # Deal with other parameters
5798: while (my ($key,$value) = each(%$extra_settings)) {
5799: $ValuesHash{$id.'.'.$key} = $value;
5800: }
5801: #
1.137 matthew 5802: &Apache::lonnet::appenv(%ValuesHash);
5803: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5804: }
5805:
5806: ############################################################
5807: ############################################################
5808:
5809: =pod
5810:
5811: =item DrawXYGraph
5812:
1.138 matthew 5813: Facilitates the plotting of data in an XY graph.
5814: Puts plot definition data into the users environment in order for
5815: graph.png to plot it. Returns an <img> tag for the plot.
5816:
5817: Inputs:
5818:
5819: =over 4
5820:
5821: =item $Title: string, the title of the plot
5822:
5823: =item $xlabel: string, text describing the X-axis of the plot
5824:
5825: =item $ylabel: string, text describing the Y-axis of the plot
5826:
5827: =item $Max: scalar, the maximum Y value to use in the plot
5828: If $Max is < any data point, the graph will not be rendered.
5829:
5830: =item $colors: Array ref containing the hex color codes for the data to be
5831: plotted in. If undefined, default values will be used.
5832:
5833: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5834:
5835: =item $Ydata: Array ref containing Array refs.
1.185 www 5836: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 5837:
5838: =item %Values: hash indicating or overriding any default values which are
5839: passed to graph.png.
5840: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5841:
5842: =back
5843:
5844: Returns:
5845:
5846: An <img> tag which references graph.png and the appropriate identifying
5847: information for the plot.
5848:
1.137 matthew 5849: =cut
5850:
5851: ############################################################
5852: ############################################################
5853: sub DrawXYGraph {
5854: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
5855: #
5856: # Create the identifier for the graph
5857: my $identifier = &get_cgi_id();
5858: my $id = 'cgi.'.$identifier;
5859: #
5860: $Title = '' if (! defined($Title));
5861: $xlabel = '' if (! defined($xlabel));
5862: $ylabel = '' if (! defined($ylabel));
5863: my %ValuesHash =
5864: (
1.369 www 5865: $id.'.title' => &escape($Title),
5866: $id.'.xlabel' => &escape($xlabel),
5867: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 5868: $id.'.y_max_value'=> $Max,
5869: $id.'.labels' => join(',',@$Xlabels),
5870: $id.'.PlotType' => 'XY',
5871: );
5872: #
5873: if (defined($colors) && ref($colors) eq 'ARRAY') {
5874: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5875: }
5876: #
5877: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
5878: return '';
5879: }
5880: my $NumSets=1;
1.138 matthew 5881: foreach my $array (@{$Ydata}){
1.137 matthew 5882: next if (! ref($array));
5883: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
5884: }
1.138 matthew 5885: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 5886: #
5887: # Deal with other parameters
5888: while (my ($key,$value) = each(%Values)) {
5889: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 5890: }
5891: #
1.136 matthew 5892: &Apache::lonnet::appenv(%ValuesHash);
5893: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5894: }
5895:
5896: ############################################################
5897: ############################################################
5898:
5899: =pod
5900:
1.138 matthew 5901: =item DrawXYYGraph
5902:
5903: Facilitates the plotting of data in an XY graph with two Y axes.
5904: Puts plot definition data into the users environment in order for
5905: graph.png to plot it. Returns an <img> tag for the plot.
5906:
5907: Inputs:
5908:
5909: =over 4
5910:
5911: =item $Title: string, the title of the plot
5912:
5913: =item $xlabel: string, text describing the X-axis of the plot
5914:
5915: =item $ylabel: string, text describing the Y-axis of the plot
5916:
5917: =item $colors: Array ref containing the hex color codes for the data to be
5918: plotted in. If undefined, default values will be used.
5919:
5920: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5921:
5922: =item $Ydata1: The first data set
5923:
5924: =item $Min1: The minimum value of the left Y-axis
5925:
5926: =item $Max1: The maximum value of the left Y-axis
5927:
5928: =item $Ydata2: The second data set
5929:
5930: =item $Min2: The minimum value of the right Y-axis
5931:
5932: =item $Max2: The maximum value of the left Y-axis
5933:
5934: =item %Values: hash indicating or overriding any default values which are
5935: passed to graph.png.
5936: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5937:
5938: =back
5939:
5940: Returns:
5941:
5942: An <img> tag which references graph.png and the appropriate identifying
5943: information for the plot.
1.136 matthew 5944:
5945: =cut
5946:
5947: ############################################################
5948: ############################################################
1.137 matthew 5949: sub DrawXYYGraph {
5950: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
5951: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 5952: #
5953: # Create the identifier for the graph
5954: my $identifier = &get_cgi_id();
5955: my $id = 'cgi.'.$identifier;
5956: #
5957: $Title = '' if (! defined($Title));
5958: $xlabel = '' if (! defined($xlabel));
5959: $ylabel = '' if (! defined($ylabel));
5960: my %ValuesHash =
5961: (
1.369 www 5962: $id.'.title' => &escape($Title),
5963: $id.'.xlabel' => &escape($xlabel),
5964: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 5965: $id.'.labels' => join(',',@$Xlabels),
5966: $id.'.PlotType' => 'XY',
5967: $id.'.NumSets' => 2,
1.137 matthew 5968: $id.'.two_axes' => 1,
5969: $id.'.y1_max_value' => $Max1,
5970: $id.'.y1_min_value' => $Min1,
5971: $id.'.y2_max_value' => $Max2,
5972: $id.'.y2_min_value' => $Min2,
1.136 matthew 5973: );
5974: #
1.137 matthew 5975: if (defined($colors) && ref($colors) eq 'ARRAY') {
5976: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5977: }
5978: #
5979: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
5980: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 5981: return '';
5982: }
5983: my $NumSets=1;
1.137 matthew 5984: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 5985: next if (! ref($array));
5986: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 5987: }
5988: #
5989: # Deal with other parameters
5990: while (my ($key,$value) = each(%Values)) {
5991: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 5992: }
5993: #
5994: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 5995: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 5996: }
5997:
5998: ############################################################
5999: ############################################################
6000:
6001: =pod
6002:
1.157 matthew 6003: =back
6004:
1.139 matthew 6005: =head1 Statistics helper routines?
6006:
6007: Bad place for them but what the hell.
6008:
1.157 matthew 6009: =over 4
6010:
1.139 matthew 6011: =item &chartlink
6012:
6013: Returns a link to the chart for a specific student.
6014:
6015: Inputs:
6016:
6017: =over 4
6018:
6019: =item $linktext: The text of the link
6020:
6021: =item $sname: The students username
6022:
6023: =item $sdomain: The students domain
6024:
6025: =back
6026:
1.157 matthew 6027: =back
6028:
1.139 matthew 6029: =cut
6030:
6031: ############################################################
6032: ############################################################
6033: sub chartlink {
6034: my ($linktext, $sname, $sdomain) = @_;
6035: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6036: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6037: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6038: '">'.$linktext.'</a>';
1.153 matthew 6039: }
6040:
6041: #######################################################
6042: #######################################################
6043:
6044: =pod
6045:
6046: =head1 Course Environment Routines
1.157 matthew 6047:
6048: =over 4
1.153 matthew 6049:
6050: =item &restore_course_settings
6051:
6052: =item &store_course_settings
6053:
6054: Restores/Store indicated form parameters from the course environment.
6055: Will not overwrite existing values of the form parameters.
6056:
6057: Inputs:
6058: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6059:
6060: a hash ref describing the data to be stored. For example:
6061:
6062: %Save_Parameters = ('Status' => 'scalar',
6063: 'chartoutputmode' => 'scalar',
6064: 'chartoutputdata' => 'scalar',
6065: 'Section' => 'array',
1.373 raeburn 6066: 'Group' => 'array',
1.153 matthew 6067: 'StudentData' => 'array',
6068: 'Maps' => 'array');
6069:
6070: Returns: both routines return nothing
6071:
6072: =cut
6073:
6074: #######################################################
6075: #######################################################
6076: sub store_course_settings {
6077: # save to the environment
6078: # appenv the same items, just to be safe
1.258 albertel 6079: my $courseid = $env{'request.course.id'};
1.300 albertel 6080: my $udom = $env{'user.domain'};
6081: my $uname = $env{'user.name'};
1.153 matthew 6082: my ($prefix,$Settings) = @_;
6083: my %SaveHash;
6084: my %AppHash;
6085: while (my ($setting,$type) = each(%$Settings)) {
1.300 albertel 6086: my $basename = join('.','internal',$courseid,$prefix,$setting);
6087: my $envname = 'environment.'.$basename;
1.258 albertel 6088: if (exists($env{'form.'.$setting})) {
1.153 matthew 6089: # Save this value away
6090: if ($type eq 'scalar' &&
1.258 albertel 6091: (! exists($env{$envname}) ||
6092: $env{$envname} ne $env{'form.'.$setting})) {
6093: $SaveHash{$basename} = $env{'form.'.$setting};
6094: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6095: } elsif ($type eq 'array') {
6096: my $stored_form;
1.258 albertel 6097: if (ref($env{'form.'.$setting})) {
1.153 matthew 6098: $stored_form = join(',',
6099: map {
1.369 www 6100: &escape($_);
1.258 albertel 6101: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6102: } else {
6103: $stored_form =
1.369 www 6104: &escape($env{'form.'.$setting});
1.153 matthew 6105: }
6106: # Determine if the array contents are the same.
1.258 albertel 6107: if ($stored_form ne $env{$envname}) {
1.153 matthew 6108: $SaveHash{$basename} = $stored_form;
6109: $AppHash{$envname} = $stored_form;
6110: }
6111: }
6112: }
6113: }
6114: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6115: $udom,$uname);
1.153 matthew 6116: if ($put_result !~ /^(ok|delayed)/) {
6117: &Apache::lonnet::logthis('unable to save form parameters, '.
6118: 'got error:'.$put_result);
6119: }
6120: # Make sure these settings stick around in this session, too
6121: &Apache::lonnet::appenv(%AppHash);
6122: return;
6123: }
6124:
6125: sub restore_course_settings {
1.258 albertel 6126: my $courseid = $env{'request.course.id'};
1.153 matthew 6127: my ($prefix,$Settings) = @_;
6128: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6129: next if (exists($env{'form.'.$setting}));
1.300 albertel 6130: my $envname = 'environment.internal.'.$courseid.'.'.$prefix.
1.153 matthew 6131: '.'.$setting;
1.258 albertel 6132: if (exists($env{$envname})) {
1.153 matthew 6133: if ($type eq 'scalar') {
1.258 albertel 6134: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6135: } elsif ($type eq 'array') {
1.258 albertel 6136: $env{'form.'.$setting} = [
1.153 matthew 6137: map {
1.369 www 6138: &unescape($_);
1.258 albertel 6139: } split(',',$env{$envname})
1.153 matthew 6140: ];
6141: }
6142: }
6143: }
1.127 matthew 6144: }
6145:
6146: ############################################################
6147: ############################################################
1.154 albertel 6148:
1.443 albertel 6149: sub commit_customrole {
6150: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6151: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6152: ($start?', '.&mt('starting').' '.localtime($start):'').
6153: ($end?', ending '.localtime($end):'').': <b>'.
6154: &Apache::lonnet::assigncustomrole(
6155: $udom,$uname,$url,$three,$four,$five,$end,$start).
6156: '</b><br />';
6157: return $output;
6158: }
6159:
6160: sub commit_standardrole {
6161: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6162: my $output;
6163: my $logmsg;
6164: if ($three eq 'st') {
6165: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
6166: if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
6167: $output = "Error: $result\n";
6168: } else {
6169: $output = &mt('Assigning').' '.$three.' in '.$url.
6170: ($start?', '.&mt('starting').' '.localtime($start):'').
6171: ($end?', '.&mt('ending').' '.localtime($end):'').
6172: ': <b>'.$result.'</b><br />'.
6173: &mt('Add to classlist').': <b>ok</b><br />';
6174: }
6175: } else {
6176: $output = &mt('Assigning').' '.$three.' in '.$url.
6177: ($start?', '.&mt('starting').' '.localtime($start):'').
6178: ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
6179: &Apache::lonnet::assignrole(
6180: $udom,$uname,$url,$three,$end,$start).
6181: '</b><br />';
6182: }
6183: return $output;
6184: }
6185:
6186: sub commit_studentrole {
6187: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6188: my $linefeed = '<br />'."\n";
6189: my $result;
6190: if (defined($one) && defined($two)) {
6191: my $cid=$one.'_'.$two;
6192: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6193: my $secchange = 0;
6194: my $expire_role_result;
6195: my $modify_section_result;
6196: unless ($oldsec eq '-1') {
6197: unless ($sec eq $oldsec) {
6198: $secchange = 1;
6199: my $uurl='/'.$cid;
6200: $uurl=~s/\_/\//g;
6201: if ($oldsec) {
6202: $uurl.='/'.$oldsec;
6203: }
6204: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6205: $result = $expire_role_result;
6206: }
6207: }
6208: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6209: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6210: if ($modify_section_result =~ /^ok/) {
6211: if ($secchange == 1) {
6212: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6213: } elsif ($oldsec eq '-1') {
6214: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6215: } else {
6216: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6217: }
6218: } else {
6219: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6220: }
6221: $result = $modify_section_result;
6222: } elsif ($secchange == 1) {
6223: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6224: }
6225: } else {
6226: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6227: $result = "error: incomplete course id\n";
6228: }
6229: return $result;
6230: }
6231:
6232: ############################################################
6233: ############################################################
6234:
1.444 albertel 6235: sub construct_course {
6236: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
6237: my $outcome;
6238:
6239: #
6240: # Open course
6241: #
6242: my $crstype = lc($args->{'crstype'});
6243: my %cenv=();
6244: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6245: $args->{'cdescr'},
6246: $args->{'curl'},
6247: $args->{'course_home'},
6248: $args->{'nonstandard'},
6249: $args->{'crscode'},
6250: $args->{'ccuname'}.':'.
6251: $args->{'ccdomain'},
6252: $args->{'crstype'});
6253:
6254: # Note: The testing routines depend on this being output; see
6255: # Utils::Course. This needs to at least be output as a comment
6256: # if anyone ever decides to not show this, and Utils::Course::new
6257: # will need to be suitably modified.
6258: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
6259: #
6260: # Check if created correctly
6261: #
1.479 albertel 6262: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 6263: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
6264: $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
6265: #
6266: # Are we cloning?
6267: #
6268: my $cloneid='';
6269: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
6270: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
1.479 albertel 6271: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
1.444 albertel 6272: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6273: if ($clonehome eq 'no_host') {
6274: $outcome .=
6275: '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
6276: } else {
6277: $outcome .=
6278: '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
6279: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6280: # Copy all files
6281: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6282: # Restore URL
6283: $cenv{'url'}=$oldcenv{'url'};
6284: # Restore title
6285: $cenv{'description'}=$oldcenv{'description'};
6286: # restore grading mode
6287: if (defined($oldcenv{'grading'})) {
6288: $cenv{'grading'}=$oldcenv{'grading'};
6289: }
6290: # Mark as cloned
6291: $cenv{'clonedfrom'}=$cloneid;
6292: delete($cenv{'default_enrollment_start_date'});
6293: delete($cenv{'default_enrollment_end_date'});
6294: }
6295: }
6296: #
6297: # Set environment (will override cloned, if existing)
6298: #
6299: my @sections = ();
6300: my @xlists = ();
6301: if ($args->{'crstype'}) {
6302: $cenv{'type'}=$args->{'crstype'};
6303: }
6304: if ($args->{'crsid'}) {
6305: $cenv{'courseid'}=$args->{'crsid'};
6306: }
6307: if ($args->{'crscode'}) {
6308: $cenv{'internal.coursecode'}=$args->{'crscode'};
6309: }
6310: if ($args->{'crsquota'} ne '') {
6311: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6312: } else {
6313: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6314: }
6315: if ($args->{'ccuname'}) {
6316: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
6317: ':'.$args->{'ccdomain'};
6318: } else {
6319: $cenv{'internal.courseowner'} = $args->{'curruser'};
6320: }
6321:
6322: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
6323: if ($args->{'crssections'}) {
6324: $cenv{'internal.sectionnums'} = '';
6325: if ($args->{'crssections'} =~ m/,/) {
6326: @sections = split/,/,$args->{'crssections'};
6327: } else {
6328: $sections[0] = $args->{'crssections'};
6329: }
6330: if (@sections > 0) {
6331: foreach my $item (@sections) {
6332: my ($sec,$gp) = split/:/,$item;
6333: my $class = $args->{'crscode'}.$sec;
6334: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
6335: $cenv{'internal.sectionnums'} .= $item.',';
6336: unless ($addcheck eq 'ok') {
6337: push @badclasses, $class;
6338: }
6339: }
6340: $cenv{'internal.sectionnums'} =~ s/,$//;
6341: }
6342: }
6343: # do not hide course coordinator from staff listing,
6344: # even if privileged
6345: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6346: # add crosslistings
6347: if ($args->{'crsxlist'}) {
6348: $cenv{'internal.crosslistings'}='';
6349: if ($args->{'crsxlist'} =~ m/,/) {
6350: @xlists = split/,/,$args->{'crsxlist'};
6351: } else {
6352: $xlists[0] = $args->{'crsxlist'};
6353: }
6354: if (@xlists > 0) {
6355: foreach my $item (@xlists) {
6356: my ($xl,$gp) = split/:/,$item;
6357: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
6358: $cenv{'internal.crosslistings'} .= $item.',';
6359: unless ($addcheck eq 'ok') {
6360: push @badclasses, $xl;
6361: }
6362: }
6363: $cenv{'internal.crosslistings'} =~ s/,$//;
6364: }
6365: }
6366: if ($args->{'autoadds'}) {
6367: $cenv{'internal.autoadds'}=$args->{'autoadds'};
6368: }
6369: if ($args->{'autodrops'}) {
6370: $cenv{'internal.autodrops'}=$args->{'autodrops'};
6371: }
6372: # check for notification of enrollment changes
6373: my @notified = ();
6374: if ($args->{'notify_owner'}) {
6375: if ($args->{'ccuname'} ne '') {
6376: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
6377: }
6378: }
6379: if ($args->{'notify_dc'}) {
6380: if ($uname ne '') {
6381: push(@notified,$uname.'@'.$udom);
6382: }
6383: }
6384: if (@notified > 0) {
6385: my $notifylist;
6386: if (@notified > 1) {
6387: $notifylist = join(',',@notified);
6388: } else {
6389: $notifylist = $notified[0];
6390: }
6391: $cenv{'internal.notifylist'} = $notifylist;
6392: }
6393: if (@badclasses > 0) {
6394: my %lt=&Apache::lonlocal::texthash(
6395: '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',
6396: 'dnhr' => 'does not have rights to access enrollment in these classes',
6397: 'adby' => 'as determined by the policies of your institution on access to official classlists'
6398: );
6399: $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
6400: foreach (@badclasses) {
6401: $outcome .= "<li>$_</li>\n";
6402: }
6403: $outcome .= "</ul><br /><br /></font>\n";
6404: }
6405: if ($args->{'no_end_date'}) {
6406: $args->{'endaccess'} = 0;
6407: }
6408: $cenv{'internal.autostart'}=$args->{'enrollstart'};
6409: $cenv{'internal.autoend'}=$args->{'enrollend'};
6410: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
6411: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
6412: if ($args->{'showphotos'}) {
6413: $cenv{'internal.showphotos'}=$args->{'showphotos'};
6414: }
6415: $cenv{'internal.authtype'} = $args->{'authtype'};
6416: $cenv{'internal.autharg'} = $args->{'autharg'};
6417: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
6418: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
6419: $outcome .= '<font color="red" size="+1">'.
6420: &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').'</font></p>';
6421: }
6422: }
6423: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
6424: if ($args->{'setpolicy'}) {
6425: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6426: }
6427: if ($args->{'setcontent'}) {
6428: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6429: }
6430: }
6431: if ($args->{'reshome'}) {
6432: $cenv{'reshome'}=$args->{'reshome'}.'/';
6433: $cenv{'reshome'}=~s/\/+$/\//;
6434: }
6435: #
6436: # course has keyed access
6437: #
6438: if ($args->{'setkeys'}) {
6439: $cenv{'keyaccess'}='yes';
6440: }
6441: # if specified, key authority is not course, but user
6442: # only active if keyaccess is yes
6443: if ($args->{'keyauth'}) {
1.487 albertel 6444: my ($user,$domain) = split(':',$args->{'keyauth'});
6445: $user = &LONCAPA::clean_username($user);
6446: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 6447: if ($user ne '' && $domain ne '') {
1.487 albertel 6448: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 6449: }
6450: }
6451:
6452: if ($args->{'disresdis'}) {
6453: $cenv{'pch.roles.denied'}='st';
6454: }
6455: if ($args->{'disablechat'}) {
6456: $cenv{'plc.roles.denied'}='st';
6457: }
6458:
6459: # Record we've not yet viewed the Course Initialization Helper for this
6460: # course
6461: $cenv{'course.helper.not.run'} = 1;
6462: #
6463: # Use new Randomseed
6464: #
6465: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
6466: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
6467: #
6468: # The encryption code and receipt prefix for this course
6469: #
6470: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
6471: $cenv{'internal.encpref'}=100+int(9*rand(99));
6472: #
6473: # By default, use standard grading
6474: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
6475:
6476: $outcome .= ('<br />'.&mt('Setting environment').': '.
6477: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
6478: #
6479: # Open all assignments
6480: #
6481: if ($args->{'openall'}) {
6482: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
6483: my %storecontent = ($storeunder => time,
6484: $storeunder.'.type' => 'date_start');
6485:
6486: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
6487: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
6488: }
6489: #
6490: # Set first page
6491: #
6492: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
6493: || ($cloneid)) {
1.445 albertel 6494: use LONCAPA::map;
1.444 albertel 6495: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 6496:
6497: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
6498: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
6499:
1.444 albertel 6500: $outcome .= ($fatal?$errtext:'read ok').' - ';
6501: my $title; my $url;
6502: if ($args->{'firstres'} eq 'syl') {
6503: $title='Syllabus';
6504: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
6505: } else {
6506: $title='Navigate Contents';
6507: $url='/adm/navmaps';
6508: }
1.445 albertel 6509:
6510: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
6511: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
6512:
6513: if ($errtext) { $fatal=2; }
6514: $outcome .= ($fatal?$errtext:'write ok').'<br />';
1.444 albertel 6515: }
6516: return $outcome;
6517: }
6518:
6519: ############################################################
6520: ############################################################
6521:
1.378 raeburn 6522: sub course_type {
6523: my ($cid) = @_;
6524: if (!defined($cid)) {
6525: $cid = $env{'request.course.id'};
6526: }
1.404 albertel 6527: if (defined($env{'course.'.$cid.'.type'})) {
6528: return $env{'course.'.$cid.'.type'};
1.378 raeburn 6529: } else {
6530: return 'Course';
1.377 raeburn 6531: }
6532: }
1.156 albertel 6533:
1.406 raeburn 6534: sub group_term {
6535: my $crstype = &course_type();
6536: my %names = (
6537: 'Course' => 'group',
6538: 'Group' => 'team',
6539: );
6540: return $names{$crstype};
6541: }
6542:
1.156 albertel 6543: sub icon {
6544: my ($file)=@_;
1.168 albertel 6545: my $curfext = (split(/\./,$file))[-1];
6546: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 6547: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 6548: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
6549: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
6550: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6551: $curfext.".gif") {
6552: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6553: $curfext.".gif";
6554: }
6555: }
1.249 albertel 6556: return &lonhttpdurl($iconname);
1.154 albertel 6557: }
1.84 albertel 6558:
1.215 albertel 6559: sub lonhttpdurl {
6560: my ($url)=@_;
6561: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
6562: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
6563: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
6564: }
6565:
1.213 albertel 6566: sub connection_aborted {
6567: my ($r)=@_;
6568: $r->print(" ");$r->rflush();
6569: my $c = $r->connection;
6570: return $c->aborted();
6571: }
6572:
1.221 foxr 6573: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 6574: # strings as 'strings'.
6575: sub escape_single {
1.221 foxr 6576: my ($input) = @_;
1.223 albertel 6577: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 6578: $input =~ s/\'/\\\'/g; # Esacpe the 's....
6579: return $input;
6580: }
1.223 albertel 6581:
1.222 foxr 6582: # Same as escape_single, but escape's "'s This
6583: # can be used for "strings"
6584: sub escape_double {
6585: my ($input) = @_;
6586: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
6587: $input =~ s/\"/\\\"/g; # Esacpe the "s....
6588: return $input;
6589: }
1.223 albertel 6590:
1.222 foxr 6591: # Escapes the last element of a full URL.
6592: sub escape_url {
6593: my ($url) = @_;
1.238 raeburn 6594: my @urlslices = split(/\//, $url,-1);
1.369 www 6595: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 6596: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 6597: }
1.462 albertel 6598:
6599: # -------------------------------------------------------- Initliaze user login
6600: sub init_user_environment {
1.463 albertel 6601: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 6602: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
6603:
6604: my $public=($username eq 'public' && $domain eq 'public');
6605:
6606: # See if old ID present, if so, remove
6607:
6608: my ($filename,$cookie,$userroles);
6609: my $now=time;
6610:
6611: if ($public) {
6612: my $max_public=100;
6613: my $oldest;
6614: my $oldest_time=0;
6615: for(my $next=1;$next<=$max_public;$next++) {
6616: if (-e $lonids."/publicuser_$next.id") {
6617: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
6618: if ($mtime<$oldest_time || !$oldest_time) {
6619: $oldest_time=$mtime;
6620: $oldest=$next;
6621: }
6622: } else {
6623: $cookie="publicuser_$next";
6624: last;
6625: }
6626: }
6627: if (!$cookie) { $cookie="publicuser_$oldest"; }
6628: } else {
1.463 albertel 6629: # if this isn't a robot, kill any existing non-robot sessions
6630: if (!$args->{'robot'}) {
6631: opendir(DIR,$lonids);
6632: while ($filename=readdir(DIR)) {
6633: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
6634: unlink($lonids.'/'.$filename);
6635: }
1.462 albertel 6636: }
1.463 albertel 6637: closedir(DIR);
1.462 albertel 6638: }
6639: # Give them a new cookie
1.463 albertel 6640: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
6641: : $now);
6642: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 6643:
6644: # Initialize roles
6645:
6646: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
6647: }
6648: # ------------------------------------ Check browser type and MathML capability
6649:
6650: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
6651: $clientunicode,$clientos) = &decode_user_agent($r);
6652:
6653: # -------------------------------------- Any accessibility options to remember?
6654: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
6655: foreach my $option ('imagesuppress','appletsuppress',
6656: 'embedsuppress','fontenhance','blackwhite') {
6657: if ($form->{$option} eq 'true') {
6658: &Apache::lonnet::put('environment',{$option => 'on'},
6659: $domain,$username);
6660: } else {
6661: &Apache::lonnet::del('environment',[$option],
6662: $domain,$username);
6663: }
6664: }
6665: }
6666: # ------------------------------------------------------------- Get environment
6667:
6668: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
6669: my ($tmp) = keys(%userenv);
6670: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6671: # default remote control to off
6672: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
6673: } else {
6674: undef(%userenv);
6675: }
6676: if (($userenv{'interface'}) && (!$form->{'interface'})) {
6677: $form->{'interface'}=$userenv{'interface'};
6678: }
6679: $env{'environment.remote'}=$userenv{'remote'};
6680: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
6681:
6682: # --------------- Do not trust query string to be put directly into environment
6683: foreach my $option ('imagesuppress','appletsuppress',
6684: 'embedsuppress','fontenhance','blackwhite',
6685: 'interface','localpath','localres') {
6686: $form->{$option}=~s/[\n\r\=]//gs;
6687: }
6688: # --------------------------------------------------------- Write first profile
6689:
6690: {
6691: my %initial_env =
6692: ("user.name" => $username,
6693: "user.domain" => $domain,
6694: "user.home" => $authhost,
6695: "browser.type" => $clientbrowser,
6696: "browser.version" => $clientversion,
6697: "browser.mathml" => $clientmathml,
6698: "browser.unicode" => $clientunicode,
6699: "browser.os" => $clientos,
6700: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
6701: "request.course.fn" => '',
6702: "request.course.uri" => '',
6703: "request.course.sec" => '',
6704: "request.role" => 'cm',
6705: "request.role.adv" => $env{'user.adv'},
6706: "request.host" => $ENV{'REMOTE_ADDR'},);
6707:
6708: if ($form->{'localpath'}) {
6709: $initial_env{"browser.localpath"} = $form->{'localpath'};
6710: $initial_env{"browser.localres"} = $form->{'localres'};
6711: }
6712:
6713: if ($public) {
6714: $initial_env{"environment.remote"} = "off";
6715: }
6716: if ($form->{'interface'}) {
6717: $form->{'interface'}=~s/\W//gs;
6718: $initial_env{"browser.interface"} = $form->{'interface'};
6719: $env{'browser.interface'}=$form->{'interface'};
6720: foreach my $option ('imagesuppress','appletsuppress',
6721: 'embedsuppress','fontenhance','blackwhite') {
6722: if (($form->{$option} eq 'true') ||
6723: ($userenv{$option} eq 'on')) {
6724: $initial_env{"browser.$option"} = "on";
6725: }
6726: }
6727: }
6728:
6729: $env{'user.environment'} = "$lonids/$cookie.id";
6730:
6731: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
6732: &GDBM_WRCREAT(),0640)) {
6733: &_add_to_env(\%disk_env,\%initial_env);
6734: &_add_to_env(\%disk_env,\%userenv,'environment.');
6735: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 6736: if (ref($args->{'extra_env'})) {
6737: &_add_to_env(\%disk_env,$args->{'extra_env'});
6738: }
1.462 albertel 6739: untie(%disk_env);
6740: } else {
6741: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
6742: 'Could not create environment storage in lonauth: '.$!.'</font>');
6743: return 'error: '.$!;
6744: }
6745: }
6746: $env{'request.role'}='cm';
6747: $env{'request.role.adv'}=$env{'user.adv'};
6748: $env{'browser.type'}=$clientbrowser;
6749:
6750: return $cookie;
6751:
6752: }
6753:
6754: sub _add_to_env {
6755: my ($idf,$env_data,$prefix) = @_;
6756: while (my ($key,$value) = each(%$env_data)) {
6757: $idf->{$prefix.$key} = $value;
6758: $env{$prefix.$key} = $value;
6759: }
6760: }
6761:
6762:
1.41 ng 6763: =pod
6764:
6765: =back
6766:
1.112 bowersj2 6767: =cut
1.41 ng 6768:
1.112 bowersj2 6769: 1;
6770: __END__;
1.41 ng 6771:
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