Annotation of loncom/interface/loncommon.pm, revision 1.485
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.485 ! albertel 4: # $Id: loncommon.pm,v 1.484 2006/12/01 22:19:33 albertel 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)=@_;
1.91 www 518: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
1.377 raeburn 519: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select [_1]',$selecttype)."</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;
2853: }
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) = @_;
2888: # Retrieve active course roles - course coordinator, instructor, exam proctor, ta, student or custom role.
1.474 raeburn 2889:
1.482 raeburn 2890: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2891:
2892: # Retrieve blocking times and identity of blocker for active courses
1.482 raeburn 2893: # of specified user, unless user has 'evb' privilege.
1.474 raeburn 2894:
2895: my $startblock = 0;
2896: my $endblock = 0;
2897:
2898: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2899: my ($cdom,$cnum);
2900: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2901: $cdom = $env{'course.'.$course.'.domain'};
2902: $cnum = $env{'course.'.$course.'.num'};
2903: } else {
2904: ($cdom,$cnum) = split(/_/,$course);
2905: }
2906: my $no_ownblock = 0;
2907: my $no_userblock = 0;
1.474 raeburn 2908: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2909: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2910: if ($sec ne 'none') {
1.482 raeburn 2911: $checkrole .= '/'.$sec;
1.474 raeburn 2912: }
1.482 raeburn 2913: if ((defined($uname) && ($uname ne $env{'user.name'})) ||
2914: (defined($udom) && ($udom ne $env{'user.domain'}))) {
2915: my ($trole,$tdom,$tnum,$tsec);
2916: my $entry = $live_courses{$course}{$sec};
2917: if ($entry =~ /^cr/) {
2918: ($trole,$tdom,$tnum,$tsec) =
2919: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2920: } else {
2921: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
2922: }
2923: my ($spec,$area,$trest,%allroles,%userroles);
2924: $area = '/'.$tdom.'/'.$tnum;
2925: $trest = $tnum;
2926: if ($tsec ne '') {
2927: $area .= '/'.$tsec;
2928: $trest .= '/'.$tsec;
2929: }
2930: $spec = $trole.'.'.$area;
2931: if ($trole =~ /^cr/) {
2932: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
2933: $tdom,$spec,$trest,$area);
2934: } else {
2935: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
2936: $tdom,$spec,$trest,$area);
2937: }
2938: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.485 ! albertel 2939: $no_userblock = &Apache::lonnet::allowed('evb',undef,undef,
! 2940: $checkrole);
! 2941: last if $no_userblock;
! 2942: } else {
1.482 raeburn 2943: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2944: $no_ownblock = 1;
2945: last;
2946: }
1.474 raeburn 2947: }
2948: }
2949: # if they have the evb priv and are currently not playing student
1.482 raeburn 2950: next if (($no_ownblock) &&
1.474 raeburn 2951: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
1.482 raeburn 2952: next if ($no_userblock);
1.474 raeburn 2953:
2954: $setters->{$course} = {};
2955: $setters->{$course}{'staff'} = [];
2956: $setters->{$course}{'times'} = [];
2957: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
2958: foreach my $record (keys(%records)) {
2959: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
2960: if ($start <= time && $end >= time) {
2961: my ($staff_name,$staff_dom,$title,$blocks) =
2962: &parse_block_record($records{$record});
2963: if ($blocks->{$activity} eq 'on') {
2964: push(@{$$setters{$course}{'staff'}}, [$staff_name,$staff_dom]); push(@{$$setters{$course}{'times'}}, [$start,$end]);
2965: if ( ($startblock == 0) || ($startblock > $1) ) {
2966: $startblock = $1;
2967: }
2968: if ( ($endblock == 0) || ($endblock < $2) ) {
2969: $endblock = $2;
2970: }
2971: }
2972: }
2973: }
2974: }
2975: return ($startblock,$endblock);
2976: }
2977:
2978: sub parse_block_record {
2979: my ($record) = @_;
2980: my ($setuname,$setudom,$title,$blocks);
2981: if (ref($record) eq 'HASH') {
2982: ($setuname,$setudom) = split(/:/,$record->{'setter'});
2983: $title = &unescape($record->{'event'});
2984: $blocks = $record->{'blocks'};
2985: } else {
2986: my @data = split(/:/,$record,3);
2987: if (scalar(@data) eq 2) {
2988: $title = $data[1];
2989: ($setuname,$setudom) = split(/@/,$data[0]);
2990: } else {
2991: ($setuname,$setudom,$title) = @data;
2992: }
2993: $blocks = { 'com' => 'on' };
2994: }
2995: return ($setuname,$setudom,$title,$blocks);
2996: }
2997:
2998: sub build_block_table {
2999: my ($startblock,$endblock,$setters) = @_;
3000: my %lt = &Apache::lonlocal::texthash(
3001: 'cacb' => 'Currently active communication blocks',
3002: 'cour' => 'Course',
3003: 'dura' => 'Duration',
3004: 'blse' => 'Block set by'
3005: );
3006: my $output;
1.476 raeburn 3007: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3008: $output .= &start_data_table();
3009: $output .= '
3010: <tr>
3011: <th>'.$lt{'cour'}.'</th>
3012: <th>'.$lt{'dura'}.'</th>
3013: <th>'.$lt{'blse'}.'</th>
3014: </tr>
3015: ';
3016: foreach my $course (keys(%{$setters})) {
3017: my %courseinfo=&Apache::lonnet::coursedescription($course);
3018: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3019: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.476 raeburn 3020: my $fullname = &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
1.474 raeburn 3021: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3022: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3023: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3024: $output .= &Apache::loncommon::start_data_table_row().
3025: '<td>'.$courseinfo{'description'}.'</td>'.
3026: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.476 raeburn 3027: '<td>'.$fullname.'.</td>'.
1.474 raeburn 3028: &Apache::loncommon::end_data_table_row();
3029: }
3030: }
3031: $output .= &end_data_table();
3032: }
3033:
1.60 matthew 3034: ###############################################
3035:
3036: =pod
3037:
1.112 bowersj2 3038: =head1 Domain Template Functions
3039:
3040: =over 4
3041:
3042: =item * &determinedomain()
1.60 matthew 3043:
3044: Inputs: $domain (usually will be undef)
3045:
1.63 www 3046: Returns: Determines which domain should be used for designs
1.60 matthew 3047:
3048: =cut
1.54 www 3049:
1.60 matthew 3050: ###############################################
1.63 www 3051: sub determinedomain {
3052: my $domain=shift;
3053: if (! $domain) {
1.60 matthew 3054: # Determine domain if we have not been given one
3055: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3056: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3057: if ($env{'request.role.domain'}) {
3058: $domain=$env{'request.role.domain'};
1.60 matthew 3059: }
3060: }
1.63 www 3061: return $domain;
3062: }
3063: ###############################################
3064: =pod
3065:
1.112 bowersj2 3066: =item * &domainlogo()
1.63 www 3067:
3068: Inputs: $domain (usually will be undef)
3069:
3070: Returns: A link to a domain logo, if the domain logo exists.
3071: If the domain logo does not exist, a description of the domain.
3072:
3073: =cut
1.112 bowersj2 3074:
1.63 www 3075: ###############################################
3076: sub domainlogo {
3077: my $domain = &determinedomain(shift);
3078: # See if there is a logo
1.59 www 3079: if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
1.215 albertel 3080: my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
3081: return '<img src="'.$logo.'" alt="'.$domain.'" />';
1.60 matthew 3082: } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
3083: return $Apache::lonnet::domaindescription{$domain};
1.59 www 3084: } else {
1.60 matthew 3085: return '';
1.59 www 3086: }
3087: }
1.63 www 3088: ##############################################
3089:
3090: =pod
3091:
1.112 bowersj2 3092: =item * &designparm()
1.63 www 3093:
3094: Inputs: $which parameter; $domain (usually will be undef)
3095:
3096: Returns: value of designparamter $which
3097:
3098: =cut
1.112 bowersj2 3099:
1.397 albertel 3100:
1.400 albertel 3101: ##############################################
1.397 albertel 3102: sub designparm {
3103: my ($which,$domain)=@_;
1.258 albertel 3104: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3105: if ($which=~/\.(font|alink|vlink|link)$/) {
3106: return '#000000';
3107: }
3108: if ($which=~/\.(pgbg|sidebg)$/) {
3109: return '#FFFFFF';
3110: }
3111: if ($which=~/\.tabbg$/) {
3112: return '#CCCCCC';
3113: }
3114: }
1.397 albertel 3115: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3116: return $env{'environment.color.'.$which};
1.96 www 3117: }
1.63 www 3118: $domain=&determinedomain($domain);
1.397 albertel 3119: if (exists($designhash{$domain.'.'.$which})) {
1.63 www 3120: return $designhash{$domain.'.'.$which};
3121: } else {
3122: return $designhash{'default.'.$which};
3123: }
3124: }
1.59 www 3125:
1.60 matthew 3126: ###############################################
3127: ###############################################
3128:
3129: =pod
3130:
1.112 bowersj2 3131: =back
3132:
3133: =head1 HTTP Helpers
3134:
3135: =over 4
3136:
3137: =item * &bodytag()
1.60 matthew 3138:
3139: Returns a uniform header for LON-CAPA web pages.
3140:
3141: Inputs:
3142:
1.112 bowersj2 3143: =over 4
3144:
3145: =item * $title, A title to be displayed on the page.
3146:
3147: =item * $function, the current role (can be undef).
3148:
3149: =item * $addentries, extra parameters for the <body> tag.
3150:
3151: =item * $bodyonly, if defined, only return the <body> tag.
3152:
3153: =item * $domain, if defined, force a given domain.
3154:
3155: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3156: text interface only)
1.60 matthew 3157:
1.326 albertel 3158: =item * $customtitle, alternate text to use instead of $title
3159: in the title box that appears, this text
3160: is not auto translated like the $title is
1.309 albertel 3161:
3162: =item * $notopbar, if true, keep the 'what is this' info but remove the
3163: navigational links
1.317 albertel 3164:
1.338 albertel 3165: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3166:
3167: =item * $notitle, if true keep the nav controls, but remove the title bar
3168:
1.361 albertel 3169: =item * $no_inline_link, if true and in remote mode, don't show the
3170: 'Switch To Inline Menu' link
3171:
1.460 albertel 3172: =item * $args, optional argument valid values are
3173: no_auto_mt_title -> prevents &mt()ing the title arg
3174:
1.112 bowersj2 3175: =back
3176:
1.60 matthew 3177: Returns: A uniform header for LON-CAPA web pages.
3178: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3179: If $bodyonly is undef or zero, an html string containing a <body> tag and
3180: other decorations will be returned.
3181:
3182: =cut
3183:
1.54 www 3184: sub bodytag {
1.309 albertel 3185: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3186: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3187:
1.460 albertel 3188: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3189:
1.183 matthew 3190: $function = &get_users_function() if (!$function);
1.339 albertel 3191: my $img = &designparm($function.'.img',$domain);
3192: my $font = &designparm($function.'.font',$domain);
3193: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3194:
3195: my %design = ( 'style' => 'margin-top: 0px',
3196: 'bgcolor' => $pgbg,
3197: 'text' => $font,
3198: 'alink' => &designparm($function.'.alink',$domain),
3199: 'vlink' => &designparm($function.'.vlink',$domain),
3200: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3201: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3202:
1.63 www 3203: # role and realm
1.378 raeburn 3204: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3205: if ($role eq 'ca') {
1.479 albertel 3206: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.378 raeburn 3207: $realm = &plainname($rname,$rdom).':'.$rdom;
3208: }
1.55 www 3209: # realm
1.258 albertel 3210: if ($env{'request.course.id'}) {
1.378 raeburn 3211: if ($env{'request.role'} !~ /^cr/) {
3212: $role = &Apache::lonnet::plaintext($role,&course_type());
3213: }
1.359 albertel 3214: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3215: } else {
3216: $role = &Apache::lonnet::plaintext($role);
1.54 www 3217: }
1.433 albertel 3218:
1.359 albertel 3219: if (!$realm) { $realm=' '; }
1.55 www 3220: # Set messages
1.60 matthew 3221: my $messages=&domainlogo($domain);
1.101 www 3222: # Port for miniserver
1.83 albertel 3223: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3224: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3225:
1.438 albertel 3226: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3227:
1.101 www 3228: # construct main body tag
1.359 albertel 3229: my $bodytag = "<body $extra_body_attr>".
3230: &Apache::lontexconvert::init_math_support();
1.252 albertel 3231:
1.332 albertel 3232: if ($bodyonly
3233: || ($env{'request.state'} eq 'construct'
3234: && $env{'environment.remote'} ne 'off' )) {
1.60 matthew 3235: return $bodytag;
1.258 albertel 3236: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3237: # Accessibility
1.224 raeburn 3238:
1.337 albertel 3239: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3240: if (!$notitle) {
1.337 albertel 3241: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3242: }
3243: return $bodytag;
1.359 albertel 3244: }
3245:
1.410 albertel 3246: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3247: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3248: undef($role);
1.434 albertel 3249: } else {
3250: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3251: }
1.359 albertel 3252:
3253: my $roleinfo=(<<ENDROLE);
3254: <td class="LC_title_bar_who">
3255: <div class="LC_title_bar_name">
1.410 albertel 3256: $name
1.361 albertel 3257:
1.359 albertel 3258: </div>
3259: <div class="LC_title_bar_role">
1.361 albertel 3260: $role
1.359 albertel 3261: </div>
3262: <div class="LC_title_bar_realm">
1.361 albertel 3263: $realm
1.359 albertel 3264: </div>
1.206 albertel 3265: </td>
3266: ENDROLE
1.235 raeburn 3267:
1.359 albertel 3268: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3269: if ($customtitle) {
3270: $titleinfo = $customtitle;
3271: }
3272: #
3273: # Extra info if you are the DC
3274: my $dc_info = '';
3275: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3276: $env{'course.'.$env{'request.course.id'}.
3277: '.domain'}.'/'})) {
3278: my $cid = $env{'request.course.id'};
3279: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3280: $dc_info =~ s/\s+$//;
1.359 albertel 3281: $dc_info = '('.$dc_info.')';
3282: }
3283:
3284: if ($env{'environment.remote'} eq 'off') {
3285: # No Remote
1.258 albertel 3286: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3287: $forcereg=1;
3288: }
3289:
3290: if (!$customtitle && $env{'request.state'} eq 'construct') {
3291: # this is for resources; directories have customtitle, and crumbs
3292: # and select recent are created in lonpubdir.pm
1.229 albertel 3293: my ($uname,$thisdisfn)=
1.258 albertel 3294: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3295: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3296: $formaction=~s/\/+/\//g;
3297:
1.359 albertel 3298: my $parentpath = '';
3299: my $lastitem = '';
3300: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3301: $parentpath = $1;
3302: $lastitem = $2;
3303: } else {
3304: $lastitem = $thisdisfn;
3305: }
3306: $titleinfo =
1.401 albertel 3307: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3308: '<b>Construction Space</b>: '.
3309: '<form name="dirs" method="post" action="'.$formaction
3310: .'" target="_top"><tt><b>'
3311: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3312: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3313: .'</form>'
3314: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3315: }
1.359 albertel 3316:
1.337 albertel 3317: my $titletable;
1.338 albertel 3318: if (!$notitle) {
1.337 albertel 3319: $titletable =
1.359 albertel 3320: '<table id="LC_title_bar">'.
3321: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3322: '</tr></table>';
1.337 albertel 3323: }
1.359 albertel 3324: if ($notopbar) {
3325: $bodytag .= $titletable;
3326: } else {
3327: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3328: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3329: $titletable);
1.272 raeburn 3330: } else {
1.336 albertel 3331: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3332: $titletable;
1.272 raeburn 3333: }
1.235 raeburn 3334: }
3335: return $bodytag;
1.94 www 3336: }
1.95 www 3337:
1.93 www 3338: #
1.95 www 3339: # Top frame rendering, Remote is up
1.93 www 3340: #
1.359 albertel 3341:
3342: my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
3343: $lonhttpdPort.$img.'" alt="'.$function.'" />';
3344:
1.305 www 3345: # Explicit link to get inline menu
1.361 albertel 3346: my $menu= ($no_inline_link?''
3347: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3348: #
1.338 albertel 3349: if ($notitle) {
1.337 albertel 3350: return $bodytag;
3351: }
1.94 www 3352: return(<<ENDBODY);
1.60 matthew 3353: $bodytag
1.359 albertel 3354: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3355: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3356: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3357: </tr>
1.359 albertel 3358: <tr><td>$titleinfo $dc_info $menu</td>
3359: $roleinfo
1.368 albertel 3360: </tr>
1.356 albertel 3361: </table>
1.54 www 3362: ENDBODY
1.182 matthew 3363: }
3364:
1.330 albertel 3365: sub make_attr_string {
3366: my ($register,$attr_ref) = @_;
3367:
3368: if ($attr_ref && !ref($attr_ref)) {
3369: die("addentries Must be a hash ref ".
3370: join(':',caller(1))." ".
3371: join(':',caller(0))." ");
3372: }
3373:
3374: if ($register) {
1.339 albertel 3375: my ($on_load,$on_unload);
3376: foreach my $key (keys(%{$attr_ref})) {
3377: if (lc($key) eq 'onload') {
3378: $on_load.=$attr_ref->{$key}.';';
3379: delete($attr_ref->{$key});
3380:
3381: } elsif (lc($key) eq 'onunload') {
3382: $on_unload.=$attr_ref->{$key}.';';
3383: delete($attr_ref->{$key});
3384: }
3385: }
3386: $attr_ref->{'onload'} =
3387: &Apache::lonmenu::loadevents(). $on_load;
3388: $attr_ref->{'onunload'}=
3389: &Apache::lonmenu::unloadevents().$on_unload;
3390: }
3391:
3392: # Accessibility font enhance
3393: if ($env{'browser.fontenhance'} eq 'on') {
3394: my $style;
3395: foreach my $key (keys(%{$attr_ref})) {
3396: if (lc($key) eq 'style') {
3397: $style.=$attr_ref->{$key}.';';
3398: delete($attr_ref->{$key});
3399: }
3400: }
3401: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3402: }
1.339 albertel 3403:
3404: if ($env{'browser.blackwhite'} eq 'on') {
3405: delete($attr_ref->{'font'});
3406: delete($attr_ref->{'link'});
3407: delete($attr_ref->{'alink'});
3408: delete($attr_ref->{'vlink'});
3409: delete($attr_ref->{'bgcolor'});
3410: delete($attr_ref->{'background'});
3411: }
3412:
1.330 albertel 3413: my $attr_string;
3414: foreach my $attr (keys(%$attr_ref)) {
3415: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3416: }
3417: return $attr_string;
3418: }
3419:
3420:
1.182 matthew 3421: ###############################################
1.251 albertel 3422: ###############################################
3423:
3424: =pod
3425:
3426: =back
3427:
1.306 albertel 3428: =head1 HTML Helpers
1.251 albertel 3429:
3430: =over 4
3431:
3432: =item * &endbodytag()
3433:
3434: Returns a uniform footer for LON-CAPA web pages.
3435:
1.306 albertel 3436: Inputs: none
1.251 albertel 3437:
3438: =back
3439:
3440: =cut
3441:
3442: sub endbodytag {
3443: my $endbodytag='</body>';
1.269 albertel 3444: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3445: if ( exists( $env{'internal.head.redirect'} ) ) {
3446: $endbodytag=
3447: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3448: &mt('Continue').'</a>'.
3449: $endbodytag;
3450: }
1.251 albertel 3451: return $endbodytag;
3452: }
3453:
1.352 albertel 3454: =pod
3455:
3456: =over 4
3457:
3458: =item * &standard_css()
3459:
3460: Returns a style sheet
3461:
3462: Inputs: (all optional)
3463: domain -> force to color decorate a page for a specific
3464: domain
3465: function -> force usage of a specific rolish color scheme
3466: bgcolor -> override the default page bgcolor
3467:
3468: =back
3469:
3470: =cut
3471:
1.343 albertel 3472: sub standard_css {
1.345 albertel 3473: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3474: $function = &get_users_function() if (!$function);
3475: my $img = &designparm($function.'.img', $domain);
3476: my $tabbg = &designparm($function.'.tabbg', $domain);
3477: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3478: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3479: my $pgbg_or_bgcolor =
3480: $bgcolor ||
1.352 albertel 3481: &designparm($function.'.pgbg', $domain);
1.382 albertel 3482: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3483: my $alink = &designparm($function.'.alink', $domain);
3484: my $vlink = &designparm($function.'.vlink', $domain);
3485: my $link = &designparm($function.'.link', $domain);
3486:
3487: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3488: my $mono = 'monospace';
1.352 albertel 3489: my $data_table_head = $tabbg;
3490: my $data_table_light = '#EEEEEE';
1.470 banghart 3491: my $data_table_dark = '#DDDDDD';
3492: my $data_table_darker = '#CCCCCC';
1.349 albertel 3493: my $data_table_highlight = '#FFFF00';
1.352 albertel 3494: my $mail_new = '#FFBB77';
3495: my $mail_new_hover = '#DD9955';
3496: my $mail_read = '#BBBB77';
3497: my $mail_read_hover = '#999944';
3498: my $mail_replied = '#AAAA88';
3499: my $mail_replied_hover = '#888855';
3500: my $mail_other = '#99BBBB';
3501: my $mail_other_hover = '#669999';
1.391 albertel 3502: my $table_header = '#DDDDDD';
1.392 albertel 3503:
3504: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3505: : '0px 3px 0px 4px';
1.448 albertel 3506:
1.343 albertel 3507: return <<END;
1.345 albertel 3508: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3509: a:focus { color: red; background: yellow }
3510: table.thinborder { border-collapse: collapse; }
1.426 albertel 3511: table.thinborder tr th { border-style: solid; border-width: 1px; background: $tabbg;}
3512: table.thinborder tr td { border-style: solid; border-width: 1px}
3513:
1.343 albertel 3514: form, .inline { display: inline; }
3515: .center { text-align: center; }
1.395 albertel 3516: .LC_filename {font-family: $mono;}
1.350 albertel 3517: .LC_error {
3518: color: red;
3519: font-size: larger;
3520: }
1.457 albertel 3521: .LC_warning,
3522: .LC_diff_removed {
1.394 albertel 3523: color: red;
3524: }
1.457 albertel 3525: .LC_success,
3526: .LC_diff_added {
1.350 albertel 3527: color: green;
3528: }
1.440 albertel 3529: .LC_icon {
3530: border: 0px;
3531: }
1.346 albertel 3532:
1.458 albertel 3533: table.LC_pastsubmission {
3534: border: 1px solid black;
3535: margin: 2px;
3536: }
3537:
1.392 albertel 3538: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3539: width: 100%;
3540: background: $pgbg;
1.392 albertel 3541: border: 2px;
1.402 albertel 3542: border-collapse: separate;
1.403 albertel 3543: padding: 0px;
1.345 albertel 3544: }
1.392 albertel 3545:
1.409 albertel 3546: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3547: table#LC_title_bar.LC_with_remote {
1.359 albertel 3548: width: 100%;
1.392 albertel 3549: border-color: $pgbg;
3550: border-style: solid;
3551: border-width: $border;
3552:
1.379 albertel 3553: background: $pgbg;
3554: font-family: $sans;
1.392 albertel 3555: border-collapse: collapse;
1.403 albertel 3556: padding: 0px;
1.359 albertel 3557: }
1.392 albertel 3558:
1.409 albertel 3559: table.LC_docs_path {
3560: width: 100%;
3561: border: 0;
3562: background: $pgbg;
3563: font-family: $sans;
3564: border-collapse: collapse;
3565: padding: 0px;
3566: }
3567:
1.359 albertel 3568: table#LC_title_bar td {
3569: background: $tabbg;
3570: }
3571: table#LC_title_bar td.LC_title_bar_who {
3572: background: $tabbg;
3573: color: $font;
1.427 albertel 3574: font: small $sans;
1.359 albertel 3575: text-align: right;
3576: }
1.469 banghart 3577: span.LC_metadata {
3578: font-family: $sans;
3579: }
1.359 albertel 3580: span.LC_title_bar_title {
1.416 albertel 3581: font: bold x-large $sans;
1.359 albertel 3582: }
3583: table#LC_title_bar td.LC_title_bar_domain_logo {
3584: background: $sidebg;
3585: text-align: right;
1.368 albertel 3586: padding: 0px;
3587: }
3588: table#LC_title_bar td.LC_title_bar_role_logo {
3589: background: $sidebg;
3590: padding: 0px;
1.359 albertel 3591: }
3592:
1.346 albertel 3593: table#LC_menubuttons_mainmenu {
3594: background: $pgbg;
3595: border: 0px;
3596: border-spacing: 1px;
1.372 albertel 3597: padding: 0px 1px;
1.346 albertel 3598: margin: 0px;
3599: border-collapse: separate;
3600: }
3601: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3602: border: 0px;
3603: }
1.345 albertel 3604: table#LC_top_nav td {
3605: background: $tabbg;
1.392 albertel 3606: border: 0px;
1.407 albertel 3607: font-size: small;
1.345 albertel 3608: }
3609: table#LC_top_nav td a, div#LC_top_nav a {
3610: color: $font;
3611: font-family: $sans;
3612: }
1.364 albertel 3613: table#LC_top_nav td.LC_top_nav_logo {
3614: background: $tabbg;
1.432 albertel 3615: text-align: left;
1.408 albertel 3616: white-space: nowrap;
1.432 albertel 3617: width: 31px;
1.408 albertel 3618: }
3619: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3620: border: 0px;
1.408 albertel 3621: vertical-align: bottom;
1.364 albertel 3622: }
1.432 albertel 3623: table#LC_top_nav td.LC_top_nav_exit,
3624: table#LC_top_nav td.LC_top_nav_help {
3625: width: 2.0em;
3626: }
1.442 albertel 3627: table#LC_top_nav td.LC_top_nav_login {
3628: width: 4.0em;
3629: text-align: center;
3630: }
1.409 albertel 3631: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3632: background: $tabbg;
3633: color: $font;
3634: font-family: $sans;
1.358 albertel 3635: font-size: smaller;
1.357 albertel 3636: }
1.411 albertel 3637: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3638: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3639: background: $tabbg;
3640: color: $font;
3641: font-family: $sans;
3642: font-size: larger;
3643: text-align: right;
3644: }
1.383 albertel 3645: td.LC_table_cell_checkbox {
3646: text-align: center;
3647: }
3648:
1.346 albertel 3649: .LC_menubuttons_inline_text {
3650: color: $font;
3651: font-family: $sans;
3652: font-size: smaller;
3653: }
3654:
3655: td.LC_menubuttons_text {
3656: color: $font;
3657: font-family: $sans;
3658: }
3659: td.LC_menubuttons_img {
3660: background: $tabbg;
3661: }
3662: .LC_current_location {
3663: font-family: $sans;
3664: background: $tabbg;
3665: }
3666: .LC_new_mail {
3667: font-family: $sans;
3668: font-weight: bold;
3669: }
1.347 albertel 3670:
1.440 albertel 3671: table.LC_aboutme_port {
3672: border: 0px;
3673: border-collapse: collapse;
3674: border-spacing: 0px;
3675: }
1.349 albertel 3676: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3677: border: 1px solid #000000;
1.402 albertel 3678: border-collapse: separate;
1.426 albertel 3679: border-spacing: 1px;
1.347 albertel 3680: }
1.422 albertel 3681: .LC_data_table_dense {
3682: font-size: small;
3683: }
1.349 albertel 3684: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
3685: font-weight: bold;
3686: background-color: $data_table_head;
1.421 albertel 3687: font-size: smaller;
1.347 albertel 3688: }
1.440 albertel 3689: table.LC_data_table tr td,
3690: table.LC_aboutme_port tr td {
1.349 albertel 3691: background-color: $data_table_light;
1.425 albertel 3692: padding: 2px;
1.347 albertel 3693: }
1.440 albertel 3694: table.LC_data_table tr.LC_even_row td,
3695: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 3696: background-color: $data_table_dark;
1.347 albertel 3697: }
1.425 albertel 3698: table.LC_data_table tr.LC_data_table_highlight td {
3699: background-color: $data_table_darker;
3700: }
1.451 albertel 3701: table.LC_data_table tr.LC_empty_row td,
1.452 albertel 3702: table.LC_whatsnew tr.LC_empty_row td {
1.347 albertel 3703: background-color: #FFFFFF;
1.421 albertel 3704: font-weight: bold;
3705: font-style: italic;
3706: text-align: center;
3707: padding: 8px;
1.347 albertel 3708: }
1.465 albertel 3709: table.LC_whatsnew tr.LC_empty_row td {
3710: padding: 4ex
3711: }
1.451 albertel 3712: table.LC_whatsnew {
3713: }
3714:
3715: table.LC_whatsnew tr th,
3716: table.LC_whatsnew tr.LC_info_row td {
3717: background-color: #CCC;
3718: font-weight: bold;
3719: font-size: small;
3720: text-align: right;
3721: }
3722: table.LC_whatsnew tr td {
3723: background-color: #FFF;
3724: font-size: small;
3725: text-align: right;
3726: }
3727: table.LC_whatsnew tr td.LC_first_item {
3728: text-align: left;
3729: }
3730:
3731: table.LC_whatsnew tr.LC_odd_row td {
3732: background-color: #EEE;
3733: }
3734:
1.473 raeburn 3735: table.LC_createuser {
3736: }
3737:
3738: table.LC_createuser tr.LC_section_row td {
3739: font-size: smaller;
3740: }
3741:
3742: table.LC_createuser tr.LC_info_row td {
3743: background-color: #CCC;
3744: font-weight: bold;
3745: text-align: center;
3746: }
3747:
1.349 albertel 3748: table.LC_calendar {
3749: border: 1px solid #000000;
3750: border-collapse: collapse;
3751: }
3752: table.LC_calendar_pickdate {
3753: font-size: xx-small;
3754: }
3755: table.LC_calendar tr td {
3756: border: 1px solid #000000;
3757: vertical-align: top;
3758: }
3759: table.LC_calendar tr td.LC_calendar_day_empty {
3760: background-color: $data_table_dark;
3761: }
3762: table.LC_calendar tr td.LC_calendar_day_current {
3763: background-color: $data_table_highlight;
3764: }
3765:
3766: table.LC_mail_list tr.LC_mail_new {
3767: background-color: $mail_new;
3768: }
3769: table.LC_mail_list tr.LC_mail_new:hover {
3770: background-color: $mail_new_hover;
3771: }
3772: table.LC_mail_list tr.LC_mail_read {
3773: background-color: $mail_read;
3774: }
3775: table.LC_mail_list tr.LC_mail_read:hover {
3776: background-color: $mail_read_hover;
3777: }
3778: table.LC_mail_list tr.LC_mail_replied {
3779: background-color: $mail_replied;
3780: }
3781: table.LC_mail_list tr.LC_mail_replied:hover {
3782: background-color: $mail_replied_hover;
3783: }
3784: table.LC_mail_list tr.LC_mail_other {
3785: background-color: $mail_other;
3786: }
3787: table.LC_mail_list tr.LC_mail_other:hover {
3788: background-color: $mail_other_hover;
3789: }
1.385 albertel 3790:
1.386 albertel 3791: table#LC_portfolio_actions {
3792: width: auto;
3793: background: $pgbg;
3794: border: 0px;
3795: border-spacing: 2px 2px;
3796: padding: 0px;
3797: margin: 0px;
3798: border-collapse: separate;
3799: }
3800: table#LC_portfolio_actions td.LC_label {
3801: background: $tabbg;
3802: text-align: right;
3803: }
3804: table#LC_portfolio_actions td.LC_value {
3805: background: $tabbg;
3806: }
1.385 albertel 3807:
1.391 albertel 3808: table#LC_cstr_controls {
3809: width: 100%;
3810: border-collapse: collapse;
3811: }
3812: table#LC_cstr_controls tr td {
3813: border: 4px solid $pgbg;
3814: padding: 4px;
3815: text-align: center;
3816: background: $tabbg;
3817: }
3818: table#LC_cstr_controls tr th {
3819: border: 4px solid $pgbg;
3820: background: $table_header;
3821: text-align: center;
3822: font-family: $sans;
3823: font-size: smaller;
3824: }
3825:
1.389 albertel 3826: table#LC_browser {
3827:
3828: }
3829: table#LC_browser tr th {
1.391 albertel 3830: background: $table_header;
1.389 albertel 3831: }
1.390 albertel 3832: table#LC_browser tr td {
3833: padding: 2px;
3834: }
1.389 albertel 3835: table#LC_browser tr.LC_browser_file,
3836: table#LC_browser tr.LC_browser_file_published {
3837: background: #CCFF88;
3838: }
3839: table#LC_browser tr.LC_browser_file_locked,
3840: table#LC_browser tr.LC_browser_file_unpublished {
3841: background: #FFAA99;
1.387 albertel 3842: }
1.389 albertel 3843: table#LC_browser tr.LC_browser_file_obsolete {
3844: background: #AAAAAA;
1.387 albertel 3845: }
1.455 albertel 3846: table#LC_browser tr.LC_browser_file_modified,
3847: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 3848: background: #FFFF77;
1.387 albertel 3849: }
1.389 albertel 3850: table#LC_browser tr.LC_browser_folder {
3851: background: #CCCCFF;
1.387 albertel 3852: }
1.388 albertel 3853: span.LC_current_location {
3854: font-size: x-large;
3855: background: $pgbg;
3856: }
1.387 albertel 3857:
1.395 albertel 3858: span.LC_parm_menu_item {
3859: font-size: larger;
3860: font-family: $sans;
3861: }
3862: span.LC_parm_scope_all {
3863: color: red;
3864: }
3865: span.LC_parm_scope_folder {
3866: color: green;
3867: }
3868: span.LC_parm_scope_resource {
3869: color: orange;
3870: }
3871: span.LC_parm_part {
3872: color: blue;
3873: }
3874: span.LC_parm_folder, span.LC_parm_symb {
3875: font-size: x-small;
3876: font-family: $mono;
3877: color: #AAAAAA;
3878: }
3879:
1.396 albertel 3880: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
3881: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
3882: border: 1px solid black;
3883: border-collapse: collapse;
3884: }
3885: table.LC_parm_overview_restrictions td {
3886: border-width: 1px 4px 1px 4px;
3887: border-style: solid;
3888: border-color: $pgbg;
3889: text-align: center;
3890: }
3891: table.LC_parm_overview_restrictions th {
3892: background: $tabbg;
3893: border-width: 1px 4px 1px 4px;
3894: border-style: solid;
3895: border-color: $pgbg;
3896: }
1.398 albertel 3897: table#LC_helpmenu {
3898: border: 0px;
3899: height: 55px;
3900: border-spacing: 0px;
3901: }
3902:
3903: table#LC_helpmenu fieldset legend {
3904: font-size: larger;
3905: font-weight: bold;
3906: }
1.397 albertel 3907: table#LC_helpmenu_links {
3908: width: 100%;
3909: border: 1px solid black;
3910: background: $pgbg;
3911: padding: 0px;
3912: border-spacing: 1px;
3913: }
3914: table#LC_helpmenu_links tr td {
3915: padding: 1px;
3916: background: $tabbg;
1.399 albertel 3917: text-align: center;
3918: font-weight: bold;
1.397 albertel 3919: }
1.396 albertel 3920:
1.397 albertel 3921: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
3922: table#LC_helpmenu_links a:active {
3923: text-decoration: none;
3924: color: $font;
3925: }
3926: table#LC_helpmenu_links a:hover {
3927: text-decoration: underline;
3928: color: $vlink;
3929: }
1.396 albertel 3930:
1.417 albertel 3931: .LC_chrt_popup_exists {
3932: border: 1px solid #339933;
3933: margin: -1px;
3934: }
3935: .LC_chrt_popup_up {
3936: border: 1px solid yellow;
3937: margin: -1px;
3938: }
3939: .LC_chrt_popup {
3940: border: 1px solid #8888FF;
3941: background: #CCCCFF;
3942: }
3943:
1.421 albertel 3944: table.LC_pick_box {
3945: width: 100%;
3946: border-collapse: separate;
3947: background: white;
3948: border: 1px solid black;
3949: border-spacing: 1px;
3950: }
3951: table.LC_pick_box td.LC_pick_box_title {
3952: background: $tabbg;
3953: font-weight: bold;
3954: text-align: right;
3955: width: 184px;
3956: padding: 8px;
3957: }
1.424 albertel 3958: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 3959: padding: 0px;
3960: height: 1px;
3961: background: black;
3962: }
3963: table.LC_pick_box td.LC_pick_box_submit {
3964: text-align: right;
3965: }
3966:
1.424 albertel 3967: table.LC_group_priv_box {
3968: background: white;
3969: border: 1px solid black;
3970: border-spacing: 1px;
3971: }
3972: table.LC_group_priv_box td.LC_pick_box_title {
3973: background: $tabbg;
3974: font-weight: bold;
3975: text-align: right;
3976: width: 184px;
3977: }
3978: table.LC_group_priv_box td.LC_groups_fixed {
3979: background: $data_table_light;
3980: text-align: center;
3981: }
3982: table.LC_group_priv_box td.LC_groups_optional {
3983: background: $data_table_dark;
3984: text-align: center;
3985: }
3986: table.LC_group_priv_box td.LC_groups_functionality {
3987: background: $data_table_darker;
3988: text-align: center;
3989: font-weight: bold;
3990: }
3991: table.LC_group_priv td {
3992: text-align: left;
3993: padding: 0px;
3994: }
3995:
1.421 albertel 3996: table.LC_notify_front_page {
3997: background: white;
3998: border: 1px solid black;
3999: padding: 8px;
4000: }
4001: table.LC_notify_front_page td {
4002: padding: 8px;
4003: }
1.424 albertel 4004: .LC_navbuttons {
4005: margin: 2ex 0ex 2ex 0ex;
4006: }
1.423 albertel 4007: .LC_topic_bar {
4008: font-family: $sans;
4009: font-weight: bold;
4010: width: 100%;
4011: background: $tabbg;
4012: vertical-align: middle;
4013: margin: 2ex 0ex 2ex 0ex;
4014: }
4015: .LC_topic_bar span {
4016: vertical-align: middle;
4017: }
4018: .LC_topic_bar img {
4019: vertical-align: bottom;
4020: }
4021: table.LC_course_group_status {
4022: margin: 20px;
4023: }
4024: table.LC_status_selector td {
4025: vertical-align: top;
4026: text-align: center;
1.424 albertel 4027: padding: 4px;
4028: }
4029: table.LC_descriptive_input td.LC_description {
4030: vertical-align: top;
4031: text-align: right;
4032: font-weight: bold;
1.423 albertel 4033: }
1.421 albertel 4034:
1.343 albertel 4035: END
4036: }
4037:
1.306 albertel 4038: =pod
4039:
4040: =over 4
4041:
4042: =item * &headtag()
4043:
4044: Returns a uniform footer for LON-CAPA web pages.
4045:
1.307 albertel 4046: Inputs: $title - optional title for the head
4047: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4048: $args - optional arguments
1.319 albertel 4049: force_register - if is true call registerurl so the remote is
4050: informed
1.415 albertel 4051: redirect -> array ref of
4052: 1- seconds before redirect occurs
4053: 2- url to redirect to
4054: 3- whether the side effect should occur
1.315 albertel 4055: (side effect of setting
4056: $env{'internal.head.redirect'} to the url
4057: redirected too)
1.352 albertel 4058: domain -> force to color decorate a page for a specific
4059: domain
4060: function -> force usage of a specific rolish color scheme
4061: bgcolor -> override the default page bgcolor
1.460 albertel 4062: no_auto_mt_title
4063: -> prevent &mt()ing the title arg
1.464 albertel 4064:
1.306 albertel 4065: =back
4066:
4067: =cut
4068:
4069: sub headtag {
1.313 albertel 4070: my ($title,$head_extra,$args) = @_;
1.306 albertel 4071:
1.363 albertel 4072: my $function = $args->{'function'} || &get_users_function();
4073: my $domain = $args->{'domain'} || &determinedomain();
4074: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4075: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4076: $Apache::lonnet::perlvar{'lonVersion'},
1.418 albertel 4077: #time(),
4078: $env{'environment.color.timestamp'},
1.363 albertel 4079: $function,$domain,$bgcolor);
4080:
1.369 www 4081: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4082:
1.308 albertel 4083: my $result =
4084: '<head>'.
1.461 albertel 4085: &font_settings();
1.319 albertel 4086:
1.461 albertel 4087: if (!$args->{'frameset'}) {
4088: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4089: }
1.319 albertel 4090: if ($args->{'force_register'}) {
4091: $result .= &Apache::lonmenu::registerurl(1);
4092: }
1.436 albertel 4093: if (!$args->{'no_nav_bar'}
4094: && !$args->{'only_body'}
4095: && !$args->{'frameset'}) {
4096: $result .= &help_menu_js();
4097: }
1.319 albertel 4098:
1.314 albertel 4099: if (ref($args->{'redirect'})) {
1.414 albertel 4100: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4101: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4102: if (!$inhibit_continue) {
4103: $env{'internal.head.redirect'} = $url;
4104: }
1.313 albertel 4105: $result.=<<ADDMETA
4106: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4107: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4108: ADDMETA
4109: }
1.306 albertel 4110: if (!defined($title)) {
4111: $title = 'The LearningOnline Network with CAPA';
4112: }
1.460 albertel 4113: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4114: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4115: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4116: .$head_extra;
1.306 albertel 4117: return $result;
4118: }
4119:
4120: =pod
4121:
4122: =over 4
4123:
1.340 albertel 4124: =item * &font_settings()
4125:
4126: Returns neccessary <meta> to set the proper encoding
4127:
4128: Inputs: none
4129:
4130: =back
4131:
4132: =cut
4133:
4134: sub font_settings {
4135: my $headerstring='';
4136: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4137: $headerstring.=
4138: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4139: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4140: $headerstring.=
4141: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4142: }
4143: return $headerstring;
4144: }
4145:
1.341 albertel 4146: =pod
4147:
4148: =over 4
4149:
4150: =item * &xml_begin()
4151:
4152: Returns the needed doctype and <html>
4153:
4154: Inputs: none
4155:
4156: =back
4157:
4158: =cut
4159:
4160: sub xml_begin {
4161: my $output='';
4162:
1.342 albertel 4163: &Apache::lonhtmlcommon::init_htmlareafields();
4164:
1.341 albertel 4165: if ($env{'browser.mathml'}) {
4166: $output='<?xml version="1.0"?>'
4167: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4168: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4169:
4170: # .'<!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">] >'
4171: .'<!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">'
4172: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4173: .'xmlns="http://www.w3.org/1999/xhtml">';
4174: } else {
4175: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4176: }
4177: return $output;
4178: }
1.340 albertel 4179:
4180: =pod
4181:
4182: =over 4
4183:
1.306 albertel 4184: =item * &endheadtag()
4185:
4186: Returns a uniform </head> for LON-CAPA web pages.
4187:
4188: Inputs: none
4189:
4190: =back
4191:
4192: =cut
4193:
4194: sub endheadtag {
4195: return '</head>';
4196: }
4197:
4198: =pod
4199:
4200: =over 4
4201:
4202: =item * &head()
4203:
4204: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4205:
4206: Inputs: $title - optional title for the page
1.307 albertel 4207: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4208:
1.306 albertel 4209: =back
4210:
4211: =cut
4212:
4213: sub head {
1.325 albertel 4214: my ($title,$head_extra,$args) = @_;
4215: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4216: }
4217:
4218: =pod
4219:
4220: =over 4
4221:
4222: =item * &start_page()
4223:
4224: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4225:
4226: Inputs: $title - optional title for the page
4227: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4228: $args - additional optional args supported are:
1.317 albertel 4229: only_body -> is true will set &bodytag() onlybodytag
4230: arg on
4231: no_nav_bar -> is true will set &bodytag() notopbar arg on
4232: add_entries -> additional attributes to add to the <body>
4233: domain -> force to color decorate a page for a
4234: specific domain
4235: function -> force usage of a specific rolish color
4236: scheme
4237: redirect -> see &headtag()
4238: bgcolor -> override the default page bg color
4239: js_ready -> return a string ready for being used in
4240: a javascript writeln
1.320 albertel 4241: html_encode -> return a string ready for being used in
4242: a html attribute
1.317 albertel 4243: force_register -> if is true will turn on the &bodytag()
4244: $forcereg arg
1.326 albertel 4245: body_title -> alternate text to use instead of $title
4246: in the title box that appears, this text
4247: is not auto translated like the $title is
1.330 albertel 4248: frameset -> if true will start with a <frameset>
4249: rather than <body>
1.338 albertel 4250: no_title -> if true the title bar won't be shown
4251: skip_phases -> hash ref of
4252: head -> skip the <html><head> generation
4253: body -> skip all <body> generation
1.337 albertel 4254:
1.361 albertel 4255: no_inline_link -> if true and in remote mode, don't show the
4256: 'Switch To Inline Menu' link
4257:
1.460 albertel 4258: no_auto_mt_title -> prevent &mt()ing the title arg
4259:
1.306 albertel 4260: =back
4261:
4262: =cut
4263:
4264: sub start_page {
1.309 albertel 4265: my ($title,$head_extra,$args) = @_;
1.318 albertel 4266: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4267: my %head_args;
1.352 albertel 4268: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4269: 'bgcolor','frameset','no_nav_bar','only_body',
4270: 'no_auto_mt_title') {
1.319 albertel 4271: if (defined($args->{$arg})) {
1.324 raeburn 4272: $head_args{$arg} = $args->{$arg};
1.319 albertel 4273: }
1.313 albertel 4274: }
1.319 albertel 4275:
1.315 albertel 4276: $env{'internal.start_page'}++;
1.338 albertel 4277: my $result;
4278: if (! exists($args->{'skip_phases'}{'head'}) ) {
4279: $result.=
1.341 albertel 4280: &xml_begin().
1.338 albertel 4281: &headtag($title,$head_extra,\%head_args).&endheadtag();
4282: }
4283:
4284: if (! exists($args->{'skip_phases'}{'body'}) ) {
4285: if ($args->{'frameset'}) {
4286: my $attr_string = &make_attr_string($args->{'force_register'},
4287: $args->{'add_entries'});
4288: $result .= "\n<frameset $attr_string>\n";
4289: } else {
4290: $result .=
4291: &bodytag($title,
4292: $args->{'function'}, $args->{'add_entries'},
4293: $args->{'only_body'}, $args->{'domain'},
4294: $args->{'force_register'}, $args->{'body_title'},
4295: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4296: $args->{'no_title'}, $args->{'no_inline_link'},
4297: $args);
1.338 albertel 4298: }
1.330 albertel 4299: }
1.338 albertel 4300:
1.315 albertel 4301: if ($args->{'js_ready'}) {
1.317 albertel 4302: $result = &js_ready($result);
1.315 albertel 4303: }
1.320 albertel 4304: if ($args->{'html_encode'}) {
4305: $result = &html_encode($result);
4306: }
1.315 albertel 4307: return $result;
1.306 albertel 4308: }
4309:
1.330 albertel 4310:
1.306 albertel 4311: =pod
4312:
4313: =over 4
4314:
4315: =item * &head()
4316:
4317: Returns a complete </body></html> section for LON-CAPA web pages.
4318:
1.315 albertel 4319: Inputs: $args - additional optional args supported are:
4320: js_ready -> return a string ready for being used in
4321: a javascript writeln
1.320 albertel 4322: html_encode -> return a string ready for being used in
4323: a html attribute
1.330 albertel 4324: frameset -> if true will start with a <frameset>
4325: rather than <body>
1.306 albertel 4326:
4327: =cut
4328:
4329: sub end_page {
1.315 albertel 4330: my ($args) = @_;
4331: $env{'internal.end_page'}++;
1.330 albertel 4332: my $result;
1.335 albertel 4333: if ($args->{'discussion'}) {
4334: my ($target,$parser);
4335: if (ref($args->{'discussion'})) {
4336: ($target,$parser) =($args->{'discussion'}{'target'},
4337: $args->{'discussion'}{'parser'});
4338: }
4339: $result .= &Apache::lonxml::xmlend($target,$parser);
4340: }
4341:
1.330 albertel 4342: if ($args->{'frameset'}) {
4343: $result .= '</frameset>';
4344: } else {
4345: $result .= &endbodytag();
4346: }
4347: $result .= "\n</html>";
4348:
1.315 albertel 4349: if ($args->{'js_ready'}) {
1.317 albertel 4350: $result = &js_ready($result);
1.315 albertel 4351: }
1.335 albertel 4352:
1.320 albertel 4353: if ($args->{'html_encode'}) {
4354: $result = &html_encode($result);
4355: }
1.335 albertel 4356:
1.315 albertel 4357: return $result;
4358: }
4359:
1.320 albertel 4360: sub html_encode {
4361: my ($result) = @_;
4362:
1.322 albertel 4363: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4364:
4365: return $result;
4366: }
1.317 albertel 4367: sub js_ready {
4368: my ($result) = @_;
4369:
1.323 albertel 4370: $result =~ s/[\n\r]/ /xmsg;
4371: $result =~ s/\\/\\\\/xmsg;
4372: $result =~ s/'/\\'/xmsg;
1.372 albertel 4373: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4374:
4375: return $result;
4376: }
4377:
1.315 albertel 4378: sub validate_page {
4379: if ( exists($env{'internal.start_page'})
1.316 albertel 4380: && $env{'internal.start_page'} > 1) {
4381: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4382: $env{'internal.start_page'}.' '.
1.316 albertel 4383: $ENV{'request.filename'});
1.315 albertel 4384: }
4385: if ( exists($env{'internal.end_page'})
1.316 albertel 4386: && $env{'internal.end_page'} > 1) {
4387: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4388: $env{'internal.end_page'}.' '.
1.316 albertel 4389: $env{'request.filename'});
1.315 albertel 4390: }
4391: if ( exists($env{'internal.start_page'})
4392: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4393: &Apache::lonnet::logthis('start_page called without end_page '.
4394: $env{'request.filename'});
1.315 albertel 4395: }
4396: if ( ! exists($env{'internal.start_page'})
4397: && exists($env{'internal.end_page'})) {
1.316 albertel 4398: &Apache::lonnet::logthis('end_page called without start_page'.
4399: $env{'request.filename'});
1.315 albertel 4400: }
1.306 albertel 4401: }
1.315 albertel 4402:
1.318 albertel 4403: sub simple_error_page {
4404: my ($r,$title,$msg) = @_;
4405: my $page =
4406: &Apache::loncommon::start_page($title).
4407: &mt($msg).
4408: &Apache::loncommon::end_page();
4409: if (ref($r)) {
4410: $r->print($page);
1.327 albertel 4411: return;
1.318 albertel 4412: }
4413: return $page;
4414: }
1.347 albertel 4415:
4416: {
4417: my $row_count;
4418: sub start_data_table {
1.422 albertel 4419: my ($add_class) = @_;
4420: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4421: undef($row_count);
1.422 albertel 4422: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4423: }
4424:
4425: sub end_data_table {
4426: undef($row_count);
1.389 albertel 4427: return '</table>'."\n";;
1.347 albertel 4428: }
4429:
4430: sub start_data_table_row {
1.422 albertel 4431: my ($add_class) = @_;
1.347 albertel 4432: $row_count++;
1.422 albertel 4433: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4434: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4435: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4436: }
1.471 banghart 4437:
4438: sub continue_data_table_row {
4439: my ($add_class) = @_;
4440: my $css_class = ($row_count % 2)?'':'LC_even_row';
4441: $css_class = (join(' ',$css_class,$add_class));
4442: return '<tr class="'.$css_class.'">'."\n";;
4443: }
1.347 albertel 4444:
4445: sub end_data_table_row {
1.389 albertel 4446: return '</tr>'."\n";;
1.347 albertel 4447: }
1.367 www 4448:
1.421 albertel 4449: sub start_data_table_empty_row {
4450: $row_count++;
4451: return '<tr class="LC_empty_row" >'."\n";;
4452: }
4453:
4454: sub end_data_table_empty_row {
4455: return '</tr>'."\n";;
4456: }
4457:
1.367 www 4458: sub start_data_table_header_row {
1.389 albertel 4459: return '<tr class="LC_header_row">'."\n";;
1.367 www 4460: }
4461:
4462: sub end_data_table_header_row {
1.389 albertel 4463: return '</tr>'."\n";;
1.367 www 4464: }
1.347 albertel 4465: }
4466:
1.251 albertel 4467: ###############################################
1.182 matthew 4468:
4469: =pod
4470:
1.405 albertel 4471: =item * &get_users_function()
1.182 matthew 4472:
4473: Used by &bodytag to determine the current users primary role.
4474: Returns either 'student','coordinator','admin', or 'author'.
4475:
4476: =cut
4477:
4478: ###############################################
4479: sub get_users_function {
4480: my $function = 'student';
1.258 albertel 4481: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4482: $function='coordinator';
4483: }
1.258 albertel 4484: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4485: $function='admin';
4486: }
1.258 albertel 4487: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4488: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4489: $function='author';
4490: }
4491: return $function;
1.54 www 4492: }
1.99 www 4493:
4494: ###############################################
4495:
1.233 raeburn 4496: =pod
4497:
1.405 albertel 4498: =item * &check_user_status
1.274 raeburn 4499:
4500: Determines current status of supplied role for a
4501: specific user. Roles can be active, previous or future.
4502:
4503: Inputs:
4504: user's domain, user's username, course's domain,
1.375 raeburn 4505: course's number, optional section ID.
1.274 raeburn 4506:
4507: Outputs:
4508: role status: active, previous or future.
4509:
4510: =cut
4511:
4512: sub check_user_status {
1.412 raeburn 4513: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 4514: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
4515: my @uroles = keys %userinfo;
4516: my $srchstr;
4517: my $active_chk = 'none';
1.412 raeburn 4518: my $now = time;
1.274 raeburn 4519: if (@uroles > 0) {
1.412 raeburn 4520: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 4521: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
4522: } else {
1.412 raeburn 4523: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
4524: }
4525: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 4526: my $role_end = 0;
4527: my $role_start = 0;
4528: $active_chk = 'active';
1.412 raeburn 4529: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
4530: $role_end = $1;
4531: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
4532: $role_start = $1;
1.274 raeburn 4533: }
4534: }
4535: if ($role_start > 0) {
1.412 raeburn 4536: if ($now < $role_start) {
1.274 raeburn 4537: $active_chk = 'future';
4538: }
4539: }
4540: if ($role_end > 0) {
1.412 raeburn 4541: if ($now > $role_end) {
1.274 raeburn 4542: $active_chk = 'previous';
4543: }
4544: }
4545: }
4546: }
4547: return $active_chk;
4548: }
4549:
4550: ###############################################
4551:
4552: =pod
4553:
1.405 albertel 4554: =item * &get_sections()
1.233 raeburn 4555:
4556: Determines all the sections for a course including
4557: sections with students and sections containing other roles.
1.419 raeburn 4558: Incoming parameters:
4559:
4560: 1. domain
4561: 2. course number
4562: 3. reference to array containing roles for which sections should
4563: be gathered (optional).
4564: 4. reference to array containing status types for which sections
4565: should be gathered (optional).
4566:
4567: If the third argument is undefined, sections are gathered for any role.
4568: If the fourth argument is undefined, sections are gathered for any status.
4569: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 4570:
1.374 raeburn 4571: Returns section hash (keys are section IDs, values are
4572: number of users in each section), subject to the
1.419 raeburn 4573: optional roles filter, optional status filter
1.233 raeburn 4574:
4575: =cut
4576:
4577: ###############################################
4578: sub get_sections {
1.419 raeburn 4579: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 4580: if (!defined($cdom) || !defined($cnum)) {
4581: my $cid = $env{'request.course.id'};
4582:
4583: return if (!defined($cid));
4584:
4585: $cdom = $env{'course.'.$cid.'.domain'};
4586: $cnum = $env{'course.'.$cid.'.num'};
4587: }
4588:
4589: my %sectioncount;
1.419 raeburn 4590: my $now = time;
1.240 albertel 4591:
1.366 albertel 4592: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 4593: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 4594: my $sec_index = &Apache::loncoursedata::CL_SECTION();
4595: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 4596: my $start_index = &Apache::loncoursedata::CL_START();
4597: my $end_index = &Apache::loncoursedata::CL_END();
4598: my $status;
1.366 albertel 4599: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 4600: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
4601: $data->[$status_index],
4602: $data->[$start_index],
4603: $data->[$end_index]);
4604: if ($stu_status eq 'Active') {
4605: $status = 'active';
4606: } elsif ($end < $now) {
4607: $status = 'previous';
4608: } elsif ($start > $now) {
4609: $status = 'future';
4610: }
4611: if ($section ne '-1' && $section !~ /^\s*$/) {
4612: if ((!defined($possible_status)) || (($status ne '') &&
4613: (grep/^\Q$status\E$/,@{$possible_status}))) {
4614: $sectioncount{$section}++;
4615: }
1.240 albertel 4616: }
4617: }
4618: }
4619: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4620: foreach my $user (sort(keys(%courseroles))) {
4621: if ($user !~ /^(\w{2})/) { next; }
4622: my ($role) = ($user =~ /^(\w{2})/);
4623: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 4624: my ($section,$status);
1.240 albertel 4625: if ($role eq 'cr' &&
4626: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
4627: $section=$1;
4628: }
4629: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
4630: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 4631: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
4632: if ($end == -1 && $start == -1) {
4633: next; #deleted role
4634: }
4635: if (!defined($possible_status)) {
4636: $sectioncount{$section}++;
4637: } else {
4638: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
4639: $status = 'active';
4640: } elsif ($end < $now) {
4641: $status = 'future';
4642: } elsif ($start > $now) {
4643: $status = 'previous';
4644: }
4645: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
4646: $sectioncount{$section}++;
4647: }
4648: }
1.233 raeburn 4649: }
1.366 albertel 4650: return %sectioncount;
1.233 raeburn 4651: }
4652:
1.274 raeburn 4653: ###############################################
1.294 raeburn 4654:
4655: =pod
1.405 albertel 4656:
4657: =item * &get_course_users()
4658:
1.275 raeburn 4659: Retrieves usernames:domains for users in the specified course
4660: with specific role(s), and access status.
4661:
4662: Incoming parameters:
1.277 albertel 4663: 1. course domain
4664: 2. course number
4665: 3. access status: users must have - either active,
1.275 raeburn 4666: previous, future, or all.
1.277 albertel 4667: 4. reference to array of permissible roles
1.288 raeburn 4668: 5. reference to array of section restrictions (optional)
4669: 6. reference to results object (hash of hashes).
4670: 7. reference to optional userdata hash
1.275 raeburn 4671: Keys of top level hash are roles.
4672: Keys of inner hashes are username:domain, with
4673: values set to access type.
1.288 raeburn 4674: Optional userdata hash returns an array with arguments in the
4675: same order as loncoursedata::get_classlist() for student data.
4676:
4677: Entries for end, start, section and status are blank because
4678: of the possibility of multiple values for non-student roles.
4679:
1.275 raeburn 4680: =cut
1.405 albertel 4681:
1.275 raeburn 4682: ###############################################
1.405 albertel 4683:
1.275 raeburn 4684: sub get_course_users {
1.288 raeburn 4685: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
4686: my %idx = ();
1.419 raeburn 4687: my %seclists;
1.288 raeburn 4688:
4689: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
4690: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
4691: $idx{end} = &Apache::loncoursedata::CL_END();
4692: $idx{start} = &Apache::loncoursedata::CL_START();
4693: $idx{id} = &Apache::loncoursedata::CL_ID();
4694: $idx{section} = &Apache::loncoursedata::CL_SECTION();
4695: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
4696: $idx{status} = &Apache::loncoursedata::CL_STATUS();
4697:
1.290 albertel 4698: if (grep(/^st$/,@{$roles})) {
1.276 albertel 4699: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 4700: my $now = time;
1.277 albertel 4701: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 4702: my $match = 0;
1.412 raeburn 4703: my $secmatch = 0;
1.419 raeburn 4704: my $section = $$classlist{$student}[$idx{section}];
4705: if ($section eq '') {
4706: $section = 'none';
4707: }
1.291 albertel 4708: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4709: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4710: $secmatch = 1;
4711: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 4712: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4713: $secmatch = 1;
4714: }
4715: } else {
1.419 raeburn 4716: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 4717: $secmatch = 1;
4718: }
1.290 albertel 4719: }
1.412 raeburn 4720: if (!$secmatch) {
4721: next;
4722: }
1.419 raeburn 4723: }
1.420 albertel 4724: push(@{$seclists{$student}},$section);
1.275 raeburn 4725: if (defined($$types{'active'})) {
1.288 raeburn 4726: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 4727: push(@{$$users{st}{$student}},'active');
1.288 raeburn 4728: $match = 1;
1.275 raeburn 4729: }
4730: }
4731: if (defined($$types{'previous'})) {
1.288 raeburn 4732: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 4733: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 4734: $match = 1;
1.275 raeburn 4735: }
4736: }
4737: if (defined($$types{'future'})) {
1.288 raeburn 4738: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 4739: push(@{$$users{st}{$student}},'future');
1.288 raeburn 4740: $match = 1;
1.275 raeburn 4741: }
4742: }
1.412 raeburn 4743: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 4744: $$userdata{$student} = $$classlist{$student};
4745: }
1.275 raeburn 4746: }
4747: }
1.412 raeburn 4748: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 4749: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4750: my $now = time;
4751: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 4752: my $match = 0;
1.412 raeburn 4753: my $secmatch = 0;
1.439 raeburn 4754: my $status;
1.412 raeburn 4755: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 4756: $user =~ s/:$//;
1.439 raeburn 4757: my ($end,$start) = split(/:/,$coursepersonnel{$person});
4758: if ($end == -1 || $start == -1) {
4759: next;
4760: }
4761: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
4762: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 4763: my ($uname,$udom) = split(/:/,$user);
4764: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4765: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4766: $secmatch = 1;
4767: } elsif ($usec eq '') {
1.420 albertel 4768: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4769: $secmatch = 1;
4770: }
4771: } else {
4772: if (grep(/^\Q$usec\E$/,@{$sections})) {
4773: $secmatch = 1;
4774: }
4775: }
4776: if (!$secmatch) {
4777: next;
4778: }
1.288 raeburn 4779: }
1.419 raeburn 4780: if ($usec eq '') {
4781: $usec = 'none';
4782: }
1.275 raeburn 4783: if ($uname ne '' && $udom ne '') {
1.439 raeburn 4784: if ($end < $now) {
4785: $status = 'previous';
4786: } elsif ($start > $now) {
4787: $status = 'future';
4788: } else {
4789: $status = 'active';
4790: }
1.277 albertel 4791: foreach my $type (keys(%{$types})) {
1.275 raeburn 4792: if ($status eq $type) {
1.420 albertel 4793: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 4794: push(@{$$users{$role}{$user}},$type);
4795: }
1.288 raeburn 4796: $match = 1;
4797: }
4798: }
1.419 raeburn 4799: if (($match) && (ref($userdata) eq 'HASH')) {
4800: if (!exists($$userdata{$uname.':'.$udom})) {
4801: &get_user_info($udom,$uname,\%idx,$userdata);
4802: }
1.420 albertel 4803: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 4804: push(@{$seclists{$uname.':'.$udom}},$usec);
4805: }
1.275 raeburn 4806: }
4807: }
4808: }
4809: }
1.290 albertel 4810: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 4811: if ((defined($cdom)) && (defined($cnum))) {
4812: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
4813: if ( defined($csettings{'internal.courseowner'}) ) {
4814: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 4815: if ($owner !~ /^[^:]+:[^:]+$/) {
4816: $owner = $owner.':'.$cdom;
4817: }
4818: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 4819: if (defined($userdata) &&
4820: !exists($$userdata{$owner.':'.$cdom})) {
4821: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 4822: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 4823: push(@{$seclists{$owner.':'.$cdom}},'none');
4824: }
1.290 albertel 4825: }
1.279 raeburn 4826: }
4827: }
4828: }
1.419 raeburn 4829: foreach my $user (keys(%seclists)) {
4830: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
4831: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
4832: }
1.275 raeburn 4833: }
4834: return;
4835: }
4836:
1.288 raeburn 4837: sub get_user_info {
4838: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 4839: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
4840: &plainname($uname,$udom,'lastname');
1.291 albertel 4841: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 4842: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 4843: return;
4844: }
1.275 raeburn 4845:
1.472 raeburn 4846: ###############################################
4847:
4848: =pod
4849:
4850: =item * &get_user_quota()
4851:
4852: Retrieves quota assigned for storage of portfolio files for a user
4853:
4854: Incoming parameters:
4855: 1. user's username
4856: 2. user's domain
4857:
4858: Returns:
4859: 1. Disk quota (in Mb) assigned to student.
4860:
4861: If a value has been stored in the user's environment,
4862: it will return that, otherwise it returns the default
4863: for users in the domain.
4864:
4865: =cut
4866:
4867: ###############################################
4868:
4869:
4870: sub get_user_quota {
4871: my ($uname,$udom) = @_;
4872: my $quota;
4873: if (!defined($udom)) {
4874: $udom = $env{'user.domain'};
4875: }
4876: if (!defined($uname)) {
4877: $uname = $env{'user.name'};
4878: }
4879: if (($udom eq '' || $uname eq '') ||
4880: ($udom eq 'public') && ($uname eq 'public')) {
4881: $quota = 0;
4882: } else {
4883: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
4884: $quota = $env{'environment.portfolioquota'};
4885: } else {
4886: my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
4887: my ($tmp) = keys(%userenv);
4888: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
4889: $quota = $userenv{'portfolioquota'};
4890: } else {
4891: undef(%userenv);
4892: }
4893: }
4894: if ($quota eq '') {
4895: $quota = &default_quota($udom);
4896: }
4897: }
4898: return $quota;
4899: }
4900:
4901: ###############################################
4902:
4903: =pod
4904:
4905: =item * &default_quota()
4906:
4907: Retrieves default quota assigned for storage of user portfolio files
4908:
4909: Incoming parameters:
4910: 1. domain
4911:
4912: Returns:
4913: 1. Default disk quota (in Mb) for user portfolios in the domain.
4914:
4915: If a value has been stored in the domain's configuration db,
4916: it will return that, otherwise it returns 20 (for backwards
4917: compatibility with domains which have not set up a configuration
4918: db file; the original statically defined portfolio quota was 20 Mb).
4919:
4920: =cut
4921:
4922: ###############################################
4923:
4924:
4925: sub default_quota {
4926: my ($udom) = @_;
4927: my %defaults = &Apache::lonnet::get_dom('configuration',
4928: ['portfolioquota'],$udom);
4929: if ($defaults{'portfolioquota'} ne '') {
4930: return $defaults{'portfolioquota'};
4931: } else {
4932: return '20';
4933: }
4934: }
4935:
1.384 raeburn 4936: sub get_secgrprole_info {
4937: my ($cdom,$cnum,$needroles,$type) = @_;
4938: my %sections_count = &get_sections($cdom,$cnum);
4939: my @sections = (sort {$a <=> $b} keys(%sections_count));
4940: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
4941: my @groups = sort(keys(%curr_groups));
4942: my $allroles = [];
4943: my $rolehash;
4944: my $accesshash = {
4945: active => 'Currently has access',
4946: future => 'Will have future access',
4947: previous => 'Previously had access',
4948: };
4949: if ($needroles) {
4950: $rolehash = {'all' => 'all'};
1.385 albertel 4951: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4952: if (&Apache::lonnet::error(%user_roles)) {
4953: undef(%user_roles);
4954: }
4955: foreach my $item (keys(%user_roles)) {
1.384 raeburn 4956: my ($role)=split(/\:/,$item,2);
4957: if ($role eq 'cr') { next; }
4958: if ($role =~ /^cr/) {
4959: $$rolehash{$role} = (split('/',$role))[3];
4960: } else {
4961: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
4962: }
4963: }
4964: foreach my $key (sort(keys(%{$rolehash}))) {
4965: push(@{$allroles},$key);
4966: }
4967: push (@{$allroles},'st');
4968: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
4969: }
4970: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
4971: }
4972:
1.112 bowersj2 4973: =pod
4974:
4975: =item * get_unprocessed_cgi($query,$possible_names)
4976:
1.258 albertel 4977: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 4978: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 4979: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 4980:
4981: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
4982: $possible_names is an ref to an array of form element names. As an example:
4983: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 4984: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 4985:
4986: =cut
1.1 albertel 4987:
1.6 albertel 4988: sub get_unprocessed_cgi {
1.25 albertel 4989: my ($query,$possible_names)= @_;
1.26 matthew 4990: # $Apache::lonxml::debug=1;
1.356 albertel 4991: foreach my $pair (split(/&/,$query)) {
4992: my ($name, $value) = split(/=/,$pair);
1.369 www 4993: $name = &unescape($name);
1.25 albertel 4994: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
4995: $value =~ tr/+/ /;
4996: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 4997: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 4998: }
1.16 harris41 4999: }
1.6 albertel 5000: }
5001:
1.112 bowersj2 5002: =pod
5003:
5004: =item * cacheheader()
5005:
5006: returns cache-controlling header code
5007:
5008: =cut
5009:
1.7 albertel 5010: sub cacheheader {
1.258 albertel 5011: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5012: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5013: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5014: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5015: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5016: return $output;
1.7 albertel 5017: }
5018:
1.112 bowersj2 5019: =pod
5020:
5021: =item * no_cache($r)
5022:
5023: specifies header code to not have cache
5024:
5025: =cut
5026:
1.9 albertel 5027: sub no_cache {
1.216 albertel 5028: my ($r) = @_;
5029: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5030: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5031: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5032: $r->no_cache(1);
5033: $r->header_out("Expires" => $date);
5034: $r->header_out("Pragma" => "no-cache");
1.123 www 5035: }
5036:
5037: sub content_type {
1.181 albertel 5038: my ($r,$type,$charset) = @_;
1.299 foxr 5039: if ($r) {
5040: # Note that printout.pl calls this with undef for $r.
5041: &no_cache($r);
5042: }
1.258 albertel 5043: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5044: unless ($charset) {
5045: $charset=&Apache::lonlocal::current_encoding;
5046: }
5047: if ($charset) { $type.='; charset='.$charset; }
5048: if ($r) {
5049: $r->content_type($type);
5050: } else {
5051: print("Content-type: $type\n\n");
5052: }
1.9 albertel 5053: }
1.25 albertel 5054:
1.112 bowersj2 5055: =pod
5056:
5057: =item * add_to_env($name,$value)
5058:
1.258 albertel 5059: adds $name to the %env hash with value
1.112 bowersj2 5060: $value, if $name already exists, the entry is converted to an array
5061: reference and $value is added to the array.
5062:
5063: =cut
5064:
1.25 albertel 5065: sub add_to_env {
5066: my ($name,$value)=@_;
1.258 albertel 5067: if (defined($env{$name})) {
5068: if (ref($env{$name})) {
1.25 albertel 5069: #already have multiple values
1.258 albertel 5070: push(@{ $env{$name} },$value);
1.25 albertel 5071: } else {
5072: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5073: my $first=$env{$name};
5074: undef($env{$name});
5075: push(@{ $env{$name} },$first,$value);
1.25 albertel 5076: }
5077: } else {
1.258 albertel 5078: $env{$name}=$value;
1.25 albertel 5079: }
1.31 albertel 5080: }
1.149 albertel 5081:
5082: =pod
5083:
5084: =item * get_env_multiple($name)
5085:
1.258 albertel 5086: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5087: values may be defined and end up as an array ref.
5088:
5089: returns an array of values
5090:
5091: =cut
5092:
5093: sub get_env_multiple {
5094: my ($name) = @_;
5095: my @values;
1.258 albertel 5096: if (defined($env{$name})) {
1.149 albertel 5097: # exists is it an array
1.258 albertel 5098: if (ref($env{$name})) {
5099: @values=@{ $env{$name} };
1.149 albertel 5100: } else {
1.258 albertel 5101: $values[0]=$env{$name};
1.149 albertel 5102: }
5103: }
5104: return(@values);
5105: }
5106:
1.31 albertel 5107:
1.41 ng 5108: =pod
1.45 matthew 5109:
1.464 albertel 5110: =back
1.41 ng 5111:
1.112 bowersj2 5112: =head1 CSV Upload/Handling functions
1.38 albertel 5113:
1.41 ng 5114: =over 4
5115:
1.112 bowersj2 5116: =item * upfile_store($r)
1.41 ng 5117:
5118: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5119: needs $env{'form.upfile'}
1.41 ng 5120: returns $datatoken to be put into hidden field
5121:
5122: =cut
1.31 albertel 5123:
5124: sub upfile_store {
5125: my $r=shift;
1.258 albertel 5126: $env{'form.upfile'}=~s/\r/\n/gs;
5127: $env{'form.upfile'}=~s/\f/\n/gs;
5128: $env{'form.upfile'}=~s/\n+/\n/gs;
5129: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5130:
1.258 albertel 5131: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5132: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5133: {
1.158 raeburn 5134: my $datafile = $r->dir_config('lonDaemons').
5135: '/tmp/'.$datatoken.'.tmp';
5136: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5137: print $fh $env{'form.upfile'};
1.158 raeburn 5138: close($fh);
5139: }
1.31 albertel 5140: }
5141: return $datatoken;
5142: }
5143:
1.56 matthew 5144: =pod
5145:
1.112 bowersj2 5146: =item * load_tmp_file($r)
1.41 ng 5147:
5148: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5149: needs $env{'form.datatoken'},
5150: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5151:
5152: =cut
1.31 albertel 5153:
5154: sub load_tmp_file {
5155: my $r=shift;
5156: my @studentdata=();
5157: {
1.158 raeburn 5158: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5159: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5160: if ( open(my $fh,"<$studentfile") ) {
5161: @studentdata=<$fh>;
5162: close($fh);
5163: }
1.31 albertel 5164: }
1.258 albertel 5165: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5166: }
5167:
1.56 matthew 5168: =pod
5169:
1.112 bowersj2 5170: =item * upfile_record_sep()
1.41 ng 5171:
5172: Separate uploaded file into records
5173: returns array of records,
1.258 albertel 5174: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5175:
5176: =cut
1.31 albertel 5177:
5178: sub upfile_record_sep {
1.258 albertel 5179: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5180: } else {
1.248 albertel 5181: my @records;
1.258 albertel 5182: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5183: if ($line=~/^\s*$/) { next; }
5184: push(@records,$line);
5185: }
5186: return @records;
1.31 albertel 5187: }
5188: }
5189:
1.56 matthew 5190: =pod
5191:
1.112 bowersj2 5192: =item * record_sep($record)
1.41 ng 5193:
1.258 albertel 5194: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5195:
5196: =cut
5197:
1.263 www 5198: sub takeleft {
5199: my $index=shift;
5200: return substr('0000'.$index,-4,4);
5201: }
5202:
1.31 albertel 5203: sub record_sep {
5204: my $record=shift;
5205: my %components=();
1.258 albertel 5206: if ($env{'form.upfiletype'} eq 'xml') {
5207: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5208: my $i=0;
1.356 albertel 5209: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5210: $field=~s/^(\"|\')//;
5211: $field=~s/(\"|\')$//;
1.263 www 5212: $components{&takeleft($i)}=$field;
1.31 albertel 5213: $i++;
5214: }
1.258 albertel 5215: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5216: my $i=0;
1.356 albertel 5217: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5218: $field=~s/^(\"|\')//;
5219: $field=~s/(\"|\')$//;
1.263 www 5220: $components{&takeleft($i)}=$field;
1.31 albertel 5221: $i++;
5222: }
5223: } else {
1.480 banghart 5224: my @allfields;
5225: if ($env{'form.upfiletype'} eq 'semisv') {
5226: @allfields=split(/;/,$record);
5227: } else {
5228: @allfields=split(/\,/,$record);
5229: }
1.31 albertel 5230: my $i=0;
5231: my $j;
5232: for ($j=0;$j<=$#allfields;$j++) {
5233: my $field=$allfields[$j];
5234: if ($field=~/^\s*(\"|\')/) {
5235: my $delimiter=$1;
5236: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
5237: $j++;
5238: $field.=','.$allfields[$j];
5239: }
5240: $field=~s/^\s*$delimiter//;
5241: $field=~s/$delimiter\s*$//;
5242: }
1.263 www 5243: $components{&takeleft($i)}=$field;
1.31 albertel 5244: $i++;
5245: }
5246: }
5247: return %components;
5248: }
5249:
1.144 matthew 5250: ######################################################
5251: ######################################################
5252:
1.56 matthew 5253: =pod
5254:
1.112 bowersj2 5255: =item * upfile_select_html()
1.41 ng 5256:
1.144 matthew 5257: Return HTML code to select a file from the users machine and specify
5258: the file type.
1.41 ng 5259:
5260: =cut
5261:
1.144 matthew 5262: ######################################################
5263: ######################################################
1.31 albertel 5264: sub upfile_select_html {
1.144 matthew 5265: my %Types = (
5266: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 5267: semisv => &mt('Semicolon separated values'),
1.144 matthew 5268: space => &mt('Space separated'),
5269: tab => &mt('Tabulator separated'),
5270: # xml => &mt('HTML/XML'),
5271: );
5272: my $Str = '<input type="file" name="upfile" size="50" />'.
5273: '<br />Type: <select name="upfiletype">';
5274: foreach my $type (sort(keys(%Types))) {
5275: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
5276: }
5277: $Str .= "</select>\n";
5278: return $Str;
1.31 albertel 5279: }
5280:
1.301 albertel 5281: sub get_samples {
5282: my ($records,$toget) = @_;
5283: my @samples=({});
5284: my $got=0;
5285: foreach my $rec (@$records) {
5286: my %temp = &record_sep($rec);
5287: if (! grep(/\S/, values(%temp))) { next; }
5288: if (%temp) {
5289: $samples[$got]=\%temp;
5290: $got++;
5291: if ($got == $toget) { last; }
5292: }
5293: }
5294: return \@samples;
5295: }
5296:
1.144 matthew 5297: ######################################################
5298: ######################################################
5299:
1.56 matthew 5300: =pod
5301:
1.112 bowersj2 5302: =item * csv_print_samples($r,$records)
1.41 ng 5303:
5304: Prints a table of sample values from each column uploaded $r is an
5305: Apache Request ref, $records is an arrayref from
5306: &Apache::loncommon::upfile_record_sep
5307:
5308: =cut
5309:
1.144 matthew 5310: ######################################################
5311: ######################################################
1.31 albertel 5312: sub csv_print_samples {
5313: my ($r,$records) = @_;
1.301 albertel 5314: my $samples = &get_samples($records,3);
5315:
1.144 matthew 5316: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 5317: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5318: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 5319: $r->print('</tr>');
1.301 albertel 5320: foreach my $hash (@$samples) {
1.31 albertel 5321: $r->print('<tr>');
1.356 albertel 5322: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 5323: $r->print('<td>');
1.356 albertel 5324: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 5325: $r->print('</td>');
5326: }
5327: $r->print('</tr>');
5328: }
5329: $r->print('</tr></table><br />'."\n");
5330: }
5331:
1.144 matthew 5332: ######################################################
5333: ######################################################
5334:
1.56 matthew 5335: =pod
5336:
1.112 bowersj2 5337: =item * csv_print_select_table($r,$records,$d)
1.41 ng 5338:
5339: Prints a table to create associations between values and table columns.
1.144 matthew 5340:
1.41 ng 5341: $r is an Apache Request ref,
5342: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 5343: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 5344:
5345: =cut
5346:
1.144 matthew 5347: ######################################################
5348: ######################################################
1.31 albertel 5349: sub csv_print_select_table {
5350: my ($r,$records,$d) = @_;
1.301 albertel 5351: my $i=0;
5352: my $samples = &get_samples($records,1);
1.144 matthew 5353: $r->print(&mt('Associate columns with student attributes.')."\n".
5354: '<table border="2"><tr>'.
5355: '<th>'.&mt('Attribute').'</th>'.
5356: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 5357: foreach my $array_ref (@$d) {
5358: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 5359: $r->print('<tr><td>'.$display.'</td>');
5360:
5361: $r->print('<td><select name=f'.$i.
1.32 matthew 5362: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 5363: $r->print('<option value="none"></option>');
1.356 albertel 5364: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5365: $r->print('<option value="'.$sample.'"'.
5366: ($sample eq $defaultcol ? ' selected="selected" ' : '').
5367: '>Column '.($sample+1).'</option>');
1.31 albertel 5368: }
5369: $r->print('</select></td></tr>'."\n");
5370: $i++;
5371: }
5372: $i--;
5373: return $i;
5374: }
1.56 matthew 5375:
1.144 matthew 5376: ######################################################
5377: ######################################################
5378:
1.56 matthew 5379: =pod
1.31 albertel 5380:
1.112 bowersj2 5381: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 5382:
5383: Prints a table of sample values from the upload and can make associate samples to internal names.
5384:
5385: $r is an Apache Request ref,
5386: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
5387: $d is an array of 2 element arrays (internal name, displayed name)
5388:
5389: =cut
5390:
1.144 matthew 5391: ######################################################
5392: ######################################################
1.31 albertel 5393: sub csv_samples_select_table {
5394: my ($r,$records,$d) = @_;
5395: my $i=0;
1.144 matthew 5396: #
1.301 albertel 5397: my $samples = &get_samples($records,3);
1.144 matthew 5398: $r->print('<table border=2><tr><th>'.
5399: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 5400:
5401: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 5402: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 5403: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 5404: foreach my $option (@$d) {
5405: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 5406: $r->print('<option value="'.$value.'"'.
1.253 albertel 5407: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 5408: $display.'</option>');
1.31 albertel 5409: }
5410: $r->print('</select></td><td>');
1.301 albertel 5411: foreach my $line (0..2) {
5412: if (defined($samples->[$line]{$key})) {
5413: $r->print($samples->[$line]{$key}."<br />\n");
5414: }
5415: }
1.31 albertel 5416: $r->print('</td></tr>');
5417: $i++;
5418: }
5419: $i--;
5420: return($i);
1.115 matthew 5421: }
5422:
1.144 matthew 5423: ######################################################
5424: ######################################################
5425:
1.115 matthew 5426: =pod
5427:
5428: =item clean_excel_name($name)
5429:
5430: Returns a replacement for $name which does not contain any illegal characters.
5431:
5432: =cut
5433:
1.144 matthew 5434: ######################################################
5435: ######################################################
1.115 matthew 5436: sub clean_excel_name {
5437: my ($name) = @_;
5438: $name =~ s/[:\*\?\/\\]//g;
5439: if (length($name) > 31) {
5440: $name = substr($name,0,31);
5441: }
5442: return $name;
1.25 albertel 5443: }
1.84 albertel 5444:
1.85 albertel 5445: =pod
5446:
1.112 bowersj2 5447: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 5448:
5449: Returns either 1 or undef
5450:
5451: 1 if the part is to be hidden, undef if it is to be shown
5452:
5453: Arguments are:
5454:
5455: $id the id of the part to be checked
5456: $symb, optional the symb of the resource to check
5457: $udom, optional the domain of the user to check for
5458: $uname, optional the username of the user to check for
5459:
5460: =cut
1.84 albertel 5461:
5462: sub check_if_partid_hidden {
5463: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 5464: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 5465: $symb,$udom,$uname);
1.141 albertel 5466: my $truth=1;
5467: #if the string starts with !, then the list is the list to show not hide
5468: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 5469: my @hiddenlist=split(/,/,$hiddenparts);
5470: foreach my $checkid (@hiddenlist) {
1.141 albertel 5471: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 5472: }
1.141 albertel 5473: return !$truth;
1.84 albertel 5474: }
1.127 matthew 5475:
1.138 matthew 5476:
5477: ############################################################
5478: ############################################################
5479:
5480: =pod
5481:
1.157 matthew 5482: =back
5483:
1.138 matthew 5484: =head1 cgi-bin script and graphing routines
5485:
1.157 matthew 5486: =over 4
5487:
1.138 matthew 5488: =item get_cgi_id
5489:
5490: Inputs: none
5491:
5492: Returns an id which can be used to pass environment variables
5493: to various cgi-bin scripts. These environment variables will
5494: be removed from the users environment after a given time by
5495: the routine &Apache::lonnet::transfer_profile_to_env.
5496:
5497: =cut
5498:
5499: ############################################################
5500: ############################################################
1.152 albertel 5501: my $uniq=0;
1.136 matthew 5502: sub get_cgi_id {
1.154 albertel 5503: $uniq=($uniq+1)%100000;
1.280 albertel 5504: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 5505: }
5506:
1.127 matthew 5507: ############################################################
5508: ############################################################
5509:
5510: =pod
5511:
1.134 matthew 5512: =item DrawBarGraph
1.127 matthew 5513:
1.138 matthew 5514: Facilitates the plotting of data in a (stacked) bar graph.
5515: Puts plot definition data into the users environment in order for
5516: graph.png to plot it. Returns an <img> tag for the plot.
5517: The bars on the plot are labeled '1','2',...,'n'.
5518:
5519: Inputs:
5520:
5521: =over 4
5522:
5523: =item $Title: string, the title of the plot
5524:
5525: =item $xlabel: string, text describing the X-axis of the plot
5526:
5527: =item $ylabel: string, text describing the Y-axis of the plot
5528:
5529: =item $Max: scalar, the maximum Y value to use in the plot
5530: If $Max is < any data point, the graph will not be rendered.
5531:
1.140 matthew 5532: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 5533: they are plotted. If undefined, default values will be used.
5534:
1.178 matthew 5535: =item $labels: array ref holding the labels to use on the x-axis for the bars.
5536:
1.138 matthew 5537: =item @Values: An array of array references. Each array reference holds data
5538: to be plotted in a stacked bar chart.
5539:
1.239 matthew 5540: =item If the final element of @Values is a hash reference the key/value
5541: pairs will be added to the graph definition.
5542:
1.138 matthew 5543: =back
5544:
5545: Returns:
5546:
5547: An <img> tag which references graph.png and the appropriate identifying
5548: information for the plot.
5549:
1.127 matthew 5550: =cut
5551:
5552: ############################################################
5553: ############################################################
1.134 matthew 5554: sub DrawBarGraph {
1.178 matthew 5555: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 5556: #
5557: if (! defined($colors)) {
5558: $colors = ['#33ff00',
5559: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
5560: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
5561: ];
5562: }
1.228 matthew 5563: my $extra_settings = {};
5564: if (ref($Values[-1]) eq 'HASH') {
5565: $extra_settings = pop(@Values);
5566: }
1.127 matthew 5567: #
1.136 matthew 5568: my $identifier = &get_cgi_id();
5569: my $id = 'cgi.'.$identifier;
1.129 matthew 5570: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 5571: return '';
5572: }
1.225 matthew 5573: #
5574: my @Labels;
5575: if (defined($labels)) {
5576: @Labels = @$labels;
5577: } else {
5578: for (my $i=0;$i<@{$Values[0]};$i++) {
5579: push (@Labels,$i+1);
5580: }
5581: }
5582: #
1.129 matthew 5583: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 5584: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 5585: my %ValuesHash;
5586: my $NumSets=1;
5587: foreach my $array (@Values) {
5588: next if (! ref($array));
1.136 matthew 5589: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 5590: join(',',@$array);
1.129 matthew 5591: }
1.127 matthew 5592: #
1.136 matthew 5593: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 5594: if ($NumBars < 3) {
5595: $width = 120+$NumBars*32;
1.220 matthew 5596: $xskip = 1;
1.225 matthew 5597: $bar_width = 30;
5598: } elsif ($NumBars < 5) {
5599: $width = 120+$NumBars*20;
5600: $xskip = 1;
5601: $bar_width = 20;
1.220 matthew 5602: } elsif ($NumBars < 10) {
1.136 matthew 5603: $width = 120+$NumBars*15;
5604: $xskip = 1;
5605: $bar_width = 15;
5606: } elsif ($NumBars <= 25) {
5607: $width = 120+$NumBars*11;
5608: $xskip = 5;
5609: $bar_width = 8;
5610: } elsif ($NumBars <= 50) {
5611: $width = 120+$NumBars*8;
5612: $xskip = 5;
5613: $bar_width = 4;
5614: } else {
5615: $width = 120+$NumBars*8;
5616: $xskip = 5;
5617: $bar_width = 4;
5618: }
5619: #
1.137 matthew 5620: $Max = 1 if ($Max < 1);
5621: if ( int($Max) < $Max ) {
5622: $Max++;
5623: $Max = int($Max);
5624: }
1.127 matthew 5625: $Title = '' if (! defined($Title));
5626: $xlabel = '' if (! defined($xlabel));
5627: $ylabel = '' if (! defined($ylabel));
1.369 www 5628: $ValuesHash{$id.'.title'} = &escape($Title);
5629: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
5630: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 5631: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 5632: $ValuesHash{$id.'.NumBars'} = $NumBars;
5633: $ValuesHash{$id.'.NumSets'} = $NumSets;
5634: $ValuesHash{$id.'.PlotType'} = 'bar';
5635: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5636: $ValuesHash{$id.'.height'} = $height;
5637: $ValuesHash{$id.'.width'} = $width;
5638: $ValuesHash{$id.'.xskip'} = $xskip;
5639: $ValuesHash{$id.'.bar_width'} = $bar_width;
5640: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 5641: #
1.228 matthew 5642: # Deal with other parameters
5643: while (my ($key,$value) = each(%$extra_settings)) {
5644: $ValuesHash{$id.'.'.$key} = $value;
5645: }
5646: #
1.137 matthew 5647: &Apache::lonnet::appenv(%ValuesHash);
5648: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5649: }
5650:
5651: ############################################################
5652: ############################################################
5653:
5654: =pod
5655:
5656: =item DrawXYGraph
5657:
1.138 matthew 5658: Facilitates the plotting of data in an XY graph.
5659: Puts plot definition data into the users environment in order for
5660: graph.png to plot it. Returns an <img> tag for the plot.
5661:
5662: Inputs:
5663:
5664: =over 4
5665:
5666: =item $Title: string, the title of the plot
5667:
5668: =item $xlabel: string, text describing the X-axis of the plot
5669:
5670: =item $ylabel: string, text describing the Y-axis of the plot
5671:
5672: =item $Max: scalar, the maximum Y value to use in the plot
5673: If $Max is < any data point, the graph will not be rendered.
5674:
5675: =item $colors: Array ref containing the hex color codes for the data to be
5676: plotted in. If undefined, default values will be used.
5677:
5678: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5679:
5680: =item $Ydata: Array ref containing Array refs.
1.185 www 5681: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 5682:
5683: =item %Values: hash indicating or overriding any default values which are
5684: passed to graph.png.
5685: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5686:
5687: =back
5688:
5689: Returns:
5690:
5691: An <img> tag which references graph.png and the appropriate identifying
5692: information for the plot.
5693:
1.137 matthew 5694: =cut
5695:
5696: ############################################################
5697: ############################################################
5698: sub DrawXYGraph {
5699: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
5700: #
5701: # Create the identifier for the graph
5702: my $identifier = &get_cgi_id();
5703: my $id = 'cgi.'.$identifier;
5704: #
5705: $Title = '' if (! defined($Title));
5706: $xlabel = '' if (! defined($xlabel));
5707: $ylabel = '' if (! defined($ylabel));
5708: my %ValuesHash =
5709: (
1.369 www 5710: $id.'.title' => &escape($Title),
5711: $id.'.xlabel' => &escape($xlabel),
5712: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 5713: $id.'.y_max_value'=> $Max,
5714: $id.'.labels' => join(',',@$Xlabels),
5715: $id.'.PlotType' => 'XY',
5716: );
5717: #
5718: if (defined($colors) && ref($colors) eq 'ARRAY') {
5719: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5720: }
5721: #
5722: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
5723: return '';
5724: }
5725: my $NumSets=1;
1.138 matthew 5726: foreach my $array (@{$Ydata}){
1.137 matthew 5727: next if (! ref($array));
5728: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
5729: }
1.138 matthew 5730: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 5731: #
5732: # Deal with other parameters
5733: while (my ($key,$value) = each(%Values)) {
5734: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 5735: }
5736: #
1.136 matthew 5737: &Apache::lonnet::appenv(%ValuesHash);
5738: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5739: }
5740:
5741: ############################################################
5742: ############################################################
5743:
5744: =pod
5745:
1.138 matthew 5746: =item DrawXYYGraph
5747:
5748: Facilitates the plotting of data in an XY graph with two Y axes.
5749: Puts plot definition data into the users environment in order for
5750: graph.png to plot it. Returns an <img> tag for the plot.
5751:
5752: Inputs:
5753:
5754: =over 4
5755:
5756: =item $Title: string, the title of the plot
5757:
5758: =item $xlabel: string, text describing the X-axis of the plot
5759:
5760: =item $ylabel: string, text describing the Y-axis of the plot
5761:
5762: =item $colors: Array ref containing the hex color codes for the data to be
5763: plotted in. If undefined, default values will be used.
5764:
5765: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5766:
5767: =item $Ydata1: The first data set
5768:
5769: =item $Min1: The minimum value of the left Y-axis
5770:
5771: =item $Max1: The maximum value of the left Y-axis
5772:
5773: =item $Ydata2: The second data set
5774:
5775: =item $Min2: The minimum value of the right Y-axis
5776:
5777: =item $Max2: The maximum value of the left Y-axis
5778:
5779: =item %Values: hash indicating or overriding any default values which are
5780: passed to graph.png.
5781: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5782:
5783: =back
5784:
5785: Returns:
5786:
5787: An <img> tag which references graph.png and the appropriate identifying
5788: information for the plot.
1.136 matthew 5789:
5790: =cut
5791:
5792: ############################################################
5793: ############################################################
1.137 matthew 5794: sub DrawXYYGraph {
5795: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
5796: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 5797: #
5798: # Create the identifier for the graph
5799: my $identifier = &get_cgi_id();
5800: my $id = 'cgi.'.$identifier;
5801: #
5802: $Title = '' if (! defined($Title));
5803: $xlabel = '' if (! defined($xlabel));
5804: $ylabel = '' if (! defined($ylabel));
5805: my %ValuesHash =
5806: (
1.369 www 5807: $id.'.title' => &escape($Title),
5808: $id.'.xlabel' => &escape($xlabel),
5809: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 5810: $id.'.labels' => join(',',@$Xlabels),
5811: $id.'.PlotType' => 'XY',
5812: $id.'.NumSets' => 2,
1.137 matthew 5813: $id.'.two_axes' => 1,
5814: $id.'.y1_max_value' => $Max1,
5815: $id.'.y1_min_value' => $Min1,
5816: $id.'.y2_max_value' => $Max2,
5817: $id.'.y2_min_value' => $Min2,
1.136 matthew 5818: );
5819: #
1.137 matthew 5820: if (defined($colors) && ref($colors) eq 'ARRAY') {
5821: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5822: }
5823: #
5824: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
5825: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 5826: return '';
5827: }
5828: my $NumSets=1;
1.137 matthew 5829: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 5830: next if (! ref($array));
5831: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 5832: }
5833: #
5834: # Deal with other parameters
5835: while (my ($key,$value) = each(%Values)) {
5836: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 5837: }
5838: #
5839: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 5840: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 5841: }
5842:
5843: ############################################################
5844: ############################################################
5845:
5846: =pod
5847:
1.157 matthew 5848: =back
5849:
1.139 matthew 5850: =head1 Statistics helper routines?
5851:
5852: Bad place for them but what the hell.
5853:
1.157 matthew 5854: =over 4
5855:
1.139 matthew 5856: =item &chartlink
5857:
5858: Returns a link to the chart for a specific student.
5859:
5860: Inputs:
5861:
5862: =over 4
5863:
5864: =item $linktext: The text of the link
5865:
5866: =item $sname: The students username
5867:
5868: =item $sdomain: The students domain
5869:
5870: =back
5871:
1.157 matthew 5872: =back
5873:
1.139 matthew 5874: =cut
5875:
5876: ############################################################
5877: ############################################################
5878: sub chartlink {
5879: my ($linktext, $sname, $sdomain) = @_;
5880: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 5881: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 5882: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 5883: '">'.$linktext.'</a>';
1.153 matthew 5884: }
5885:
5886: #######################################################
5887: #######################################################
5888:
5889: =pod
5890:
5891: =head1 Course Environment Routines
1.157 matthew 5892:
5893: =over 4
1.153 matthew 5894:
5895: =item &restore_course_settings
5896:
5897: =item &store_course_settings
5898:
5899: Restores/Store indicated form parameters from the course environment.
5900: Will not overwrite existing values of the form parameters.
5901:
5902: Inputs:
5903: a scalar describing the data (e.g. 'chart', 'problem_analysis')
5904:
5905: a hash ref describing the data to be stored. For example:
5906:
5907: %Save_Parameters = ('Status' => 'scalar',
5908: 'chartoutputmode' => 'scalar',
5909: 'chartoutputdata' => 'scalar',
5910: 'Section' => 'array',
1.373 raeburn 5911: 'Group' => 'array',
1.153 matthew 5912: 'StudentData' => 'array',
5913: 'Maps' => 'array');
5914:
5915: Returns: both routines return nothing
5916:
5917: =cut
5918:
5919: #######################################################
5920: #######################################################
5921: sub store_course_settings {
5922: # save to the environment
5923: # appenv the same items, just to be safe
1.258 albertel 5924: my $courseid = $env{'request.course.id'};
1.300 albertel 5925: my $udom = $env{'user.domain'};
5926: my $uname = $env{'user.name'};
1.153 matthew 5927: my ($prefix,$Settings) = @_;
5928: my %SaveHash;
5929: my %AppHash;
5930: while (my ($setting,$type) = each(%$Settings)) {
1.300 albertel 5931: my $basename = join('.','internal',$courseid,$prefix,$setting);
5932: my $envname = 'environment.'.$basename;
1.258 albertel 5933: if (exists($env{'form.'.$setting})) {
1.153 matthew 5934: # Save this value away
5935: if ($type eq 'scalar' &&
1.258 albertel 5936: (! exists($env{$envname}) ||
5937: $env{$envname} ne $env{'form.'.$setting})) {
5938: $SaveHash{$basename} = $env{'form.'.$setting};
5939: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 5940: } elsif ($type eq 'array') {
5941: my $stored_form;
1.258 albertel 5942: if (ref($env{'form.'.$setting})) {
1.153 matthew 5943: $stored_form = join(',',
5944: map {
1.369 www 5945: &escape($_);
1.258 albertel 5946: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 5947: } else {
5948: $stored_form =
1.369 www 5949: &escape($env{'form.'.$setting});
1.153 matthew 5950: }
5951: # Determine if the array contents are the same.
1.258 albertel 5952: if ($stored_form ne $env{$envname}) {
1.153 matthew 5953: $SaveHash{$basename} = $stored_form;
5954: $AppHash{$envname} = $stored_form;
5955: }
5956: }
5957: }
5958: }
5959: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 5960: $udom,$uname);
1.153 matthew 5961: if ($put_result !~ /^(ok|delayed)/) {
5962: &Apache::lonnet::logthis('unable to save form parameters, '.
5963: 'got error:'.$put_result);
5964: }
5965: # Make sure these settings stick around in this session, too
5966: &Apache::lonnet::appenv(%AppHash);
5967: return;
5968: }
5969:
5970: sub restore_course_settings {
1.258 albertel 5971: my $courseid = $env{'request.course.id'};
1.153 matthew 5972: my ($prefix,$Settings) = @_;
5973: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 5974: next if (exists($env{'form.'.$setting}));
1.300 albertel 5975: my $envname = 'environment.internal.'.$courseid.'.'.$prefix.
1.153 matthew 5976: '.'.$setting;
1.258 albertel 5977: if (exists($env{$envname})) {
1.153 matthew 5978: if ($type eq 'scalar') {
1.258 albertel 5979: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 5980: } elsif ($type eq 'array') {
1.258 albertel 5981: $env{'form.'.$setting} = [
1.153 matthew 5982: map {
1.369 www 5983: &unescape($_);
1.258 albertel 5984: } split(',',$env{$envname})
1.153 matthew 5985: ];
5986: }
5987: }
5988: }
1.127 matthew 5989: }
5990:
5991: ############################################################
5992: ############################################################
1.154 albertel 5993:
1.443 albertel 5994: sub commit_customrole {
5995: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
5996: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
5997: ($start?', '.&mt('starting').' '.localtime($start):'').
5998: ($end?', ending '.localtime($end):'').': <b>'.
5999: &Apache::lonnet::assigncustomrole(
6000: $udom,$uname,$url,$three,$four,$five,$end,$start).
6001: '</b><br />';
6002: return $output;
6003: }
6004:
6005: sub commit_standardrole {
6006: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6007: my $output;
6008: my $logmsg;
6009: if ($three eq 'st') {
6010: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
6011: if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
6012: $output = "Error: $result\n";
6013: } else {
6014: $output = &mt('Assigning').' '.$three.' in '.$url.
6015: ($start?', '.&mt('starting').' '.localtime($start):'').
6016: ($end?', '.&mt('ending').' '.localtime($end):'').
6017: ': <b>'.$result.'</b><br />'.
6018: &mt('Add to classlist').': <b>ok</b><br />';
6019: }
6020: } else {
6021: $output = &mt('Assigning').' '.$three.' in '.$url.
6022: ($start?', '.&mt('starting').' '.localtime($start):'').
6023: ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
6024: &Apache::lonnet::assignrole(
6025: $udom,$uname,$url,$three,$end,$start).
6026: '</b><br />';
6027: }
6028: return $output;
6029: }
6030:
6031: sub commit_studentrole {
6032: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6033: my $linefeed = '<br />'."\n";
6034: my $result;
6035: if (defined($one) && defined($two)) {
6036: my $cid=$one.'_'.$two;
6037: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6038: my $secchange = 0;
6039: my $expire_role_result;
6040: my $modify_section_result;
6041: unless ($oldsec eq '-1') {
6042: unless ($sec eq $oldsec) {
6043: $secchange = 1;
6044: my $uurl='/'.$cid;
6045: $uurl=~s/\_/\//g;
6046: if ($oldsec) {
6047: $uurl.='/'.$oldsec;
6048: }
6049: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6050: $result = $expire_role_result;
6051: }
6052: }
6053: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6054: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6055: if ($modify_section_result =~ /^ok/) {
6056: if ($secchange == 1) {
6057: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6058: } elsif ($oldsec eq '-1') {
6059: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6060: } else {
6061: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6062: }
6063: } else {
6064: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6065: }
6066: $result = $modify_section_result;
6067: } elsif ($secchange == 1) {
6068: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6069: }
6070: } else {
6071: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6072: $result = "error: incomplete course id\n";
6073: }
6074: return $result;
6075: }
6076:
6077: ############################################################
6078: ############################################################
6079:
1.444 albertel 6080: sub construct_course {
6081: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
6082: my $outcome;
6083:
6084: #
6085: # Open course
6086: #
6087: my $crstype = lc($args->{'crstype'});
6088: my %cenv=();
6089: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6090: $args->{'cdescr'},
6091: $args->{'curl'},
6092: $args->{'course_home'},
6093: $args->{'nonstandard'},
6094: $args->{'crscode'},
6095: $args->{'ccuname'}.':'.
6096: $args->{'ccdomain'},
6097: $args->{'crstype'});
6098:
6099: # Note: The testing routines depend on this being output; see
6100: # Utils::Course. This needs to at least be output as a comment
6101: # if anyone ever decides to not show this, and Utils::Course::new
6102: # will need to be suitably modified.
6103: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
6104: #
6105: # Check if created correctly
6106: #
1.479 albertel 6107: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 6108: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
6109: $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
6110: #
6111: # Are we cloning?
6112: #
6113: my $cloneid='';
6114: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
6115: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
1.479 albertel 6116: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
1.444 albertel 6117: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6118: if ($clonehome eq 'no_host') {
6119: $outcome .=
6120: '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
6121: } else {
6122: $outcome .=
6123: '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
6124: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6125: # Copy all files
6126: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6127: # Restore URL
6128: $cenv{'url'}=$oldcenv{'url'};
6129: # Restore title
6130: $cenv{'description'}=$oldcenv{'description'};
6131: # restore grading mode
6132: if (defined($oldcenv{'grading'})) {
6133: $cenv{'grading'}=$oldcenv{'grading'};
6134: }
6135: # Mark as cloned
6136: $cenv{'clonedfrom'}=$cloneid;
6137: delete($cenv{'default_enrollment_start_date'});
6138: delete($cenv{'default_enrollment_end_date'});
6139: }
6140: }
6141: #
6142: # Set environment (will override cloned, if existing)
6143: #
6144: my @sections = ();
6145: my @xlists = ();
6146: if ($args->{'crstype'}) {
6147: $cenv{'type'}=$args->{'crstype'};
6148: }
6149: if ($args->{'crsid'}) {
6150: $cenv{'courseid'}=$args->{'crsid'};
6151: }
6152: if ($args->{'crscode'}) {
6153: $cenv{'internal.coursecode'}=$args->{'crscode'};
6154: }
6155: if ($args->{'crsquota'} ne '') {
6156: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6157: } else {
6158: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6159: }
6160: if ($args->{'ccuname'}) {
6161: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
6162: ':'.$args->{'ccdomain'};
6163: } else {
6164: $cenv{'internal.courseowner'} = $args->{'curruser'};
6165: }
6166:
6167: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
6168: if ($args->{'crssections'}) {
6169: $cenv{'internal.sectionnums'} = '';
6170: if ($args->{'crssections'} =~ m/,/) {
6171: @sections = split/,/,$args->{'crssections'};
6172: } else {
6173: $sections[0] = $args->{'crssections'};
6174: }
6175: if (@sections > 0) {
6176: foreach my $item (@sections) {
6177: my ($sec,$gp) = split/:/,$item;
6178: my $class = $args->{'crscode'}.$sec;
6179: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
6180: $cenv{'internal.sectionnums'} .= $item.',';
6181: unless ($addcheck eq 'ok') {
6182: push @badclasses, $class;
6183: }
6184: }
6185: $cenv{'internal.sectionnums'} =~ s/,$//;
6186: }
6187: }
6188: # do not hide course coordinator from staff listing,
6189: # even if privileged
6190: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6191: # add crosslistings
6192: if ($args->{'crsxlist'}) {
6193: $cenv{'internal.crosslistings'}='';
6194: if ($args->{'crsxlist'} =~ m/,/) {
6195: @xlists = split/,/,$args->{'crsxlist'};
6196: } else {
6197: $xlists[0] = $args->{'crsxlist'};
6198: }
6199: if (@xlists > 0) {
6200: foreach my $item (@xlists) {
6201: my ($xl,$gp) = split/:/,$item;
6202: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
6203: $cenv{'internal.crosslistings'} .= $item.',';
6204: unless ($addcheck eq 'ok') {
6205: push @badclasses, $xl;
6206: }
6207: }
6208: $cenv{'internal.crosslistings'} =~ s/,$//;
6209: }
6210: }
6211: if ($args->{'autoadds'}) {
6212: $cenv{'internal.autoadds'}=$args->{'autoadds'};
6213: }
6214: if ($args->{'autodrops'}) {
6215: $cenv{'internal.autodrops'}=$args->{'autodrops'};
6216: }
6217: # check for notification of enrollment changes
6218: my @notified = ();
6219: if ($args->{'notify_owner'}) {
6220: if ($args->{'ccuname'} ne '') {
6221: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
6222: }
6223: }
6224: if ($args->{'notify_dc'}) {
6225: if ($uname ne '') {
6226: push(@notified,$uname.'@'.$udom);
6227: }
6228: }
6229: if (@notified > 0) {
6230: my $notifylist;
6231: if (@notified > 1) {
6232: $notifylist = join(',',@notified);
6233: } else {
6234: $notifylist = $notified[0];
6235: }
6236: $cenv{'internal.notifylist'} = $notifylist;
6237: }
6238: if (@badclasses > 0) {
6239: my %lt=&Apache::lonlocal::texthash(
6240: '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',
6241: 'dnhr' => 'does not have rights to access enrollment in these classes',
6242: 'adby' => 'as determined by the policies of your institution on access to official classlists'
6243: );
6244: $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
6245: foreach (@badclasses) {
6246: $outcome .= "<li>$_</li>\n";
6247: }
6248: $outcome .= "</ul><br /><br /></font>\n";
6249: }
6250: if ($args->{'no_end_date'}) {
6251: $args->{'endaccess'} = 0;
6252: }
6253: $cenv{'internal.autostart'}=$args->{'enrollstart'};
6254: $cenv{'internal.autoend'}=$args->{'enrollend'};
6255: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
6256: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
6257: if ($args->{'showphotos'}) {
6258: $cenv{'internal.showphotos'}=$args->{'showphotos'};
6259: }
6260: $cenv{'internal.authtype'} = $args->{'authtype'};
6261: $cenv{'internal.autharg'} = $args->{'autharg'};
6262: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
6263: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
6264: $outcome .= '<font color="red" size="+1">'.
6265: &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>';
6266: }
6267: }
6268: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
6269: if ($args->{'setpolicy'}) {
6270: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6271: }
6272: if ($args->{'setcontent'}) {
6273: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6274: }
6275: }
6276: if ($args->{'reshome'}) {
6277: $cenv{'reshome'}=$args->{'reshome'}.'/';
6278: $cenv{'reshome'}=~s/\/+$/\//;
6279: }
6280: #
6281: # course has keyed access
6282: #
6283: if ($args->{'setkeys'}) {
6284: $cenv{'keyaccess'}='yes';
6285: }
6286: # if specified, key authority is not course, but user
6287: # only active if keyaccess is yes
6288: if ($args->{'keyauth'}) {
6289: $args->{'keyauth'}=~s/[^\w\@]//g;
6290: if ($args->{'keyauth'}) {
6291: $cenv{'keyauth'}=$args->{'keyauth'};
6292: }
6293: }
6294:
6295: if ($args->{'disresdis'}) {
6296: $cenv{'pch.roles.denied'}='st';
6297: }
6298: if ($args->{'disablechat'}) {
6299: $cenv{'plc.roles.denied'}='st';
6300: }
6301:
6302: # Record we've not yet viewed the Course Initialization Helper for this
6303: # course
6304: $cenv{'course.helper.not.run'} = 1;
6305: #
6306: # Use new Randomseed
6307: #
6308: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
6309: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
6310: #
6311: # The encryption code and receipt prefix for this course
6312: #
6313: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
6314: $cenv{'internal.encpref'}=100+int(9*rand(99));
6315: #
6316: # By default, use standard grading
6317: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
6318:
6319: $outcome .= ('<br />'.&mt('Setting environment').': '.
6320: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
6321: #
6322: # Open all assignments
6323: #
6324: if ($args->{'openall'}) {
6325: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
6326: my %storecontent = ($storeunder => time,
6327: $storeunder.'.type' => 'date_start');
6328:
6329: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
6330: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
6331: }
6332: #
6333: # Set first page
6334: #
6335: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
6336: || ($cloneid)) {
1.445 albertel 6337: use LONCAPA::map;
1.444 albertel 6338: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 6339:
6340: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
6341: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
6342:
1.444 albertel 6343: $outcome .= ($fatal?$errtext:'read ok').' - ';
6344: my $title; my $url;
6345: if ($args->{'firstres'} eq 'syl') {
6346: $title='Syllabus';
6347: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
6348: } else {
6349: $title='Navigate Contents';
6350: $url='/adm/navmaps';
6351: }
1.445 albertel 6352:
6353: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
6354: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
6355:
6356: if ($errtext) { $fatal=2; }
6357: $outcome .= ($fatal?$errtext:'write ok').'<br />';
1.444 albertel 6358: }
6359: return $outcome;
6360: }
6361:
6362: ############################################################
6363: ############################################################
6364:
1.378 raeburn 6365: sub course_type {
6366: my ($cid) = @_;
6367: if (!defined($cid)) {
6368: $cid = $env{'request.course.id'};
6369: }
1.404 albertel 6370: if (defined($env{'course.'.$cid.'.type'})) {
6371: return $env{'course.'.$cid.'.type'};
1.378 raeburn 6372: } else {
6373: return 'Course';
1.377 raeburn 6374: }
6375: }
1.156 albertel 6376:
1.406 raeburn 6377: sub group_term {
6378: my $crstype = &course_type();
6379: my %names = (
6380: 'Course' => 'group',
6381: 'Group' => 'team',
6382: );
6383: return $names{$crstype};
6384: }
6385:
1.156 albertel 6386: sub icon {
6387: my ($file)=@_;
1.168 albertel 6388: my $curfext = (split(/\./,$file))[-1];
6389: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 6390: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 6391: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
6392: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
6393: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6394: $curfext.".gif") {
6395: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6396: $curfext.".gif";
6397: }
6398: }
1.249 albertel 6399: return &lonhttpdurl($iconname);
1.154 albertel 6400: }
1.84 albertel 6401:
1.215 albertel 6402: sub lonhttpdurl {
6403: my ($url)=@_;
6404: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
6405: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
6406: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
6407: }
6408:
1.213 albertel 6409: sub connection_aborted {
6410: my ($r)=@_;
6411: $r->print(" ");$r->rflush();
6412: my $c = $r->connection;
6413: return $c->aborted();
6414: }
6415:
1.221 foxr 6416: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 6417: # strings as 'strings'.
6418: sub escape_single {
1.221 foxr 6419: my ($input) = @_;
1.223 albertel 6420: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 6421: $input =~ s/\'/\\\'/g; # Esacpe the 's....
6422: return $input;
6423: }
1.223 albertel 6424:
1.222 foxr 6425: # Same as escape_single, but escape's "'s This
6426: # can be used for "strings"
6427: sub escape_double {
6428: my ($input) = @_;
6429: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
6430: $input =~ s/\"/\\\"/g; # Esacpe the "s....
6431: return $input;
6432: }
1.223 albertel 6433:
1.222 foxr 6434: # Escapes the last element of a full URL.
6435: sub escape_url {
6436: my ($url) = @_;
1.238 raeburn 6437: my @urlslices = split(/\//, $url,-1);
1.369 www 6438: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 6439: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 6440: }
1.462 albertel 6441:
6442: # -------------------------------------------------------- Initliaze user login
6443: sub init_user_environment {
1.463 albertel 6444: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 6445: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
6446:
6447: my $public=($username eq 'public' && $domain eq 'public');
6448:
6449: # See if old ID present, if so, remove
6450:
6451: my ($filename,$cookie,$userroles);
6452: my $now=time;
6453:
6454: if ($public) {
6455: my $max_public=100;
6456: my $oldest;
6457: my $oldest_time=0;
6458: for(my $next=1;$next<=$max_public;$next++) {
6459: if (-e $lonids."/publicuser_$next.id") {
6460: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
6461: if ($mtime<$oldest_time || !$oldest_time) {
6462: $oldest_time=$mtime;
6463: $oldest=$next;
6464: }
6465: } else {
6466: $cookie="publicuser_$next";
6467: last;
6468: }
6469: }
6470: if (!$cookie) { $cookie="publicuser_$oldest"; }
6471: } else {
1.463 albertel 6472: # if this isn't a robot, kill any existing non-robot sessions
6473: if (!$args->{'robot'}) {
6474: opendir(DIR,$lonids);
6475: while ($filename=readdir(DIR)) {
6476: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
6477: unlink($lonids.'/'.$filename);
6478: }
1.462 albertel 6479: }
1.463 albertel 6480: closedir(DIR);
1.462 albertel 6481: }
6482: # Give them a new cookie
1.463 albertel 6483: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
6484: : $now);
6485: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 6486:
6487: # Initialize roles
6488:
6489: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
6490: }
6491: # ------------------------------------ Check browser type and MathML capability
6492:
6493: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
6494: $clientunicode,$clientos) = &decode_user_agent($r);
6495:
6496: # -------------------------------------- Any accessibility options to remember?
6497: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
6498: foreach my $option ('imagesuppress','appletsuppress',
6499: 'embedsuppress','fontenhance','blackwhite') {
6500: if ($form->{$option} eq 'true') {
6501: &Apache::lonnet::put('environment',{$option => 'on'},
6502: $domain,$username);
6503: } else {
6504: &Apache::lonnet::del('environment',[$option],
6505: $domain,$username);
6506: }
6507: }
6508: }
6509: # ------------------------------------------------------------- Get environment
6510:
6511: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
6512: my ($tmp) = keys(%userenv);
6513: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6514: # default remote control to off
6515: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
6516: } else {
6517: undef(%userenv);
6518: }
6519: if (($userenv{'interface'}) && (!$form->{'interface'})) {
6520: $form->{'interface'}=$userenv{'interface'};
6521: }
6522: $env{'environment.remote'}=$userenv{'remote'};
6523: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
6524:
6525: # --------------- Do not trust query string to be put directly into environment
6526: foreach my $option ('imagesuppress','appletsuppress',
6527: 'embedsuppress','fontenhance','blackwhite',
6528: 'interface','localpath','localres') {
6529: $form->{$option}=~s/[\n\r\=]//gs;
6530: }
6531: # --------------------------------------------------------- Write first profile
6532:
6533: {
6534: my %initial_env =
6535: ("user.name" => $username,
6536: "user.domain" => $domain,
6537: "user.home" => $authhost,
6538: "browser.type" => $clientbrowser,
6539: "browser.version" => $clientversion,
6540: "browser.mathml" => $clientmathml,
6541: "browser.unicode" => $clientunicode,
6542: "browser.os" => $clientos,
6543: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
6544: "request.course.fn" => '',
6545: "request.course.uri" => '',
6546: "request.course.sec" => '',
6547: "request.role" => 'cm',
6548: "request.role.adv" => $env{'user.adv'},
6549: "request.host" => $ENV{'REMOTE_ADDR'},);
6550:
6551: if ($form->{'localpath'}) {
6552: $initial_env{"browser.localpath"} = $form->{'localpath'};
6553: $initial_env{"browser.localres"} = $form->{'localres'};
6554: }
6555:
6556: if ($public) {
6557: $initial_env{"environment.remote"} = "off";
6558: }
6559: if ($form->{'interface'}) {
6560: $form->{'interface'}=~s/\W//gs;
6561: $initial_env{"browser.interface"} = $form->{'interface'};
6562: $env{'browser.interface'}=$form->{'interface'};
6563: foreach my $option ('imagesuppress','appletsuppress',
6564: 'embedsuppress','fontenhance','blackwhite') {
6565: if (($form->{$option} eq 'true') ||
6566: ($userenv{$option} eq 'on')) {
6567: $initial_env{"browser.$option"} = "on";
6568: }
6569: }
6570: }
6571:
6572: $env{'user.environment'} = "$lonids/$cookie.id";
6573:
6574: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
6575: &GDBM_WRCREAT(),0640)) {
6576: &_add_to_env(\%disk_env,\%initial_env);
6577: &_add_to_env(\%disk_env,\%userenv,'environment.');
6578: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 6579: if (ref($args->{'extra_env'})) {
6580: &_add_to_env(\%disk_env,$args->{'extra_env'});
6581: }
1.462 albertel 6582: untie(%disk_env);
6583: } else {
6584: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
6585: 'Could not create environment storage in lonauth: '.$!.'</font>');
6586: return 'error: '.$!;
6587: }
6588: }
6589: $env{'request.role'}='cm';
6590: $env{'request.role.adv'}=$env{'user.adv'};
6591: $env{'browser.type'}=$clientbrowser;
6592:
6593: return $cookie;
6594:
6595: }
6596:
6597: sub _add_to_env {
6598: my ($idf,$env_data,$prefix) = @_;
6599: while (my ($key,$value) = each(%$env_data)) {
6600: $idf->{$prefix.$key} = $value;
6601: $env{$prefix.$key} = $value;
6602: }
6603: }
6604:
6605:
1.41 ng 6606: =pod
6607:
6608: =back
6609:
1.112 bowersj2 6610: =cut
1.41 ng 6611:
1.112 bowersj2 6612: 1;
6613: __END__;
1.41 ng 6614:
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