Annotation of loncom/interface/loncommon.pm, revision 1.475
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.475 ! www 4: # $Id: loncommon.pm,v 1.474 2006/11/29 07:46:39 raeburn Exp $
1.10 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 albertel 28:
29: # Makes a table out of the previous attempts
1.2 albertel 30: # Inputs result_from_symbread, user, domain, course_id
1.16 harris41 31: # Reads in non-network-related .tab files
1.1 albertel 32:
1.35 matthew 33: # POD header:
34:
1.45 matthew 35: =pod
36:
1.35 matthew 37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
1.112 bowersj2 43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
1.35 matthew 45:
1.112 bowersj2 46: =head1 OVERVIEW
1.35 matthew 47:
1.112 bowersj2 48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
1.35 matthew 50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
1.1 albertel 55: package Apache::loncommon;
56:
57: use strict;
1.258 albertel 58: use Apache::lonnet;
1.46 matthew 59: use GDBM_File;
1.51 www 60: use POSIX qw(strftime mktime);
1.82 www 61: use Apache::lonmenu();
1.117 www 62: use Apache::lonlocal;
1.139 matthew 63: use HTML::Entities;
1.334 albertel 64: use Apache::lonhtmlcommon();
65: use Apache::loncoursedata();
1.344 albertel 66: use Apache::lontexconvert();
1.444 albertel 67: use Apache::lonclonecourse();
1.369 www 68: use LONCAPA;
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; }
1.63 www 160: my ($domain)=($filename=~/^(\w+)\./);
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'}) { $env{'form.show'}=10; }
! 1384: return '<nobr><label>'.&mt('Records [_1]',
! 1385: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
! 1386: (&mt('all'),10,20,50,100,1000,10000))).
! 1387: '</label></nobr> <nobr><label>'.
! 1388: &mt('Filter [_1]',
! 1389: &select_form(($env{'form.displayfilter'}?$env{'form.displayfilter'}:'currentfolder'),
! 1390: 'displayfilter',
! 1391: ('currentfolder' => 'Current folder',
! 1392: 'containing' => 'Containing phrase',
! 1393: 'none' => 'None'))).
! 1394: '<input type="text" name="containingphrase" size="30" /></label></nobr>';
! 1395: }
! 1396:
1.167 www 1397: sub gradeleveldescription {
1398: my $gradelevel=shift;
1399: my %gradelevels=(0 => 'Not specified',
1400: 1 => 'Grade 1',
1401: 2 => 'Grade 2',
1402: 3 => 'Grade 3',
1403: 4 => 'Grade 4',
1404: 5 => 'Grade 5',
1405: 6 => 'Grade 6',
1406: 7 => 'Grade 7',
1407: 8 => 'Grade 8',
1408: 9 => 'Grade 9',
1409: 10 => 'Grade 10',
1410: 11 => 'Grade 11',
1411: 12 => 'Grade 12',
1412: 13 => 'Grade 13',
1413: 14 => '100 Level',
1414: 15 => '200 Level',
1415: 16 => '300 Level',
1416: 17 => '400 Level',
1417: 18 => 'Graduate Level');
1418: return &mt($gradelevels{$gradelevel});
1419: }
1420:
1.163 www 1421: sub select_level_form {
1422: my ($deflevel,$name)=@_;
1423: unless ($deflevel) { $deflevel=0; }
1.167 www 1424: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1425: for (my $i=0; $i<=18; $i++) {
1426: $selectform.="<option value=\"$i\" ".
1.253 albertel 1427: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1428: ">".&gradeleveldescription($i)."</option>\n";
1429: }
1430: $selectform.="</select>";
1431: return $selectform;
1.163 www 1432: }
1.167 www 1433:
1.35 matthew 1434: #-------------------------------------------
1435:
1.45 matthew 1436: =pod
1437:
1.112 bowersj2 1438: =item * select_dom_form($defdom,$name,$includeempty)
1.35 matthew 1439:
1440: Returns a string containing a <select name='$name' size='1'> form to
1441: allow a user to select the domain to preform an operation in.
1442: See loncreateuser.pm for an example invocation and use.
1443:
1.90 www 1444: If the $includeempty flag is set, it also includes an empty choice ("no domain
1445: selected");
1446:
1.35 matthew 1447: =cut
1448:
1449: #-------------------------------------------
1.34 matthew 1450: sub select_dom_form {
1.90 www 1451: my ($defdom,$name,$includeempty) = @_;
1.34 matthew 1452: my @domains = get_domains();
1.90 www 1453: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1454: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1455: foreach my $dom (@domains) {
1456: $selectdomain.="<option value=\"$dom\" ".
1457: ($dom eq $defdom ? 'selected="selected" ' : '').
1458: ">$dom</option>\n";
1.34 matthew 1459: }
1460: $selectdomain.="</select>";
1461: return $selectdomain;
1462: }
1463:
1.35 matthew 1464: #-------------------------------------------
1465:
1.45 matthew 1466: =pod
1467:
1.112 bowersj2 1468: =item * get_library_servers($domain)
1.35 matthew 1469:
1470: Returns a hash which contains keys like '103l3' and values like
1471: 'kirk.lite.msu.edu'. All of the keys will be for machines in the
1472: given $domain.
1473:
1474: =cut
1475:
1476: #-------------------------------------------
1.52 matthew 1477: sub get_library_servers {
1.33 matthew 1478: my $domain = shift;
1.52 matthew 1479: my %library_servers;
1.356 albertel 1480: foreach my $hostid (keys(%Apache::lonnet::libserv)) {
1481: if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
1482: $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
1.33 matthew 1483: }
1484: }
1.52 matthew 1485: return %library_servers;
1.33 matthew 1486: }
1487:
1.35 matthew 1488: #-------------------------------------------
1489:
1.45 matthew 1490: =pod
1491:
1.112 bowersj2 1492: =item * home_server_option_list($domain)
1.35 matthew 1493:
1494: returns a string which contains an <option> list to be used in a
1495: <select> form input. See loncreateuser.pm for an example.
1496:
1497: =cut
1498:
1499: #-------------------------------------------
1.33 matthew 1500: sub home_server_option_list {
1501: my $domain = shift;
1.52 matthew 1502: my %servers = &get_library_servers($domain);
1.33 matthew 1503: my $result = '';
1.356 albertel 1504: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1505: $result.=
1.356 albertel 1506: '<option value="'.$hostid.'">'.
1507: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1508: }
1509: return $result;
1510: }
1.112 bowersj2 1511:
1512: =pod
1513:
1514: =back
1515:
1516: =cut
1.87 matthew 1517:
1518: ###############################################################
1.112 bowersj2 1519: ## Decoding User Agent ##
1.87 matthew 1520: ###############################################################
1521:
1522: =pod
1523:
1.112 bowersj2 1524: =head1 Decoding the User Agent
1525:
1526: =over 4
1527:
1528: =item * &decode_user_agent()
1.87 matthew 1529:
1530: Inputs: $r
1531:
1532: Outputs:
1533:
1534: =over 4
1535:
1.112 bowersj2 1536: =item * $httpbrowser
1.87 matthew 1537:
1.112 bowersj2 1538: =item * $clientbrowser
1.87 matthew 1539:
1.112 bowersj2 1540: =item * $clientversion
1.87 matthew 1541:
1.112 bowersj2 1542: =item * $clientmathml
1.87 matthew 1543:
1.112 bowersj2 1544: =item * $clientunicode
1.87 matthew 1545:
1.112 bowersj2 1546: =item * $clientos
1.87 matthew 1547:
1548: =back
1549:
1.157 matthew 1550: =back
1551:
1.87 matthew 1552: =cut
1553:
1554: ###############################################################
1555: ###############################################################
1556: sub decode_user_agent {
1.247 albertel 1557: my ($r)=@_;
1.87 matthew 1558: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1559: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1560: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1561: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1562: my $clientbrowser='unknown';
1563: my $clientversion='0';
1564: my $clientmathml='';
1565: my $clientunicode='0';
1566: for (my $i=0;$i<=$#browsertype;$i++) {
1567: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1568: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1569: $clientbrowser=$bname;
1570: $httpbrowser=~/$vreg/i;
1571: $clientversion=$1;
1572: $clientmathml=($clientversion>=$minv);
1573: $clientunicode=($clientversion>=$univ);
1574: }
1575: }
1576: my $clientos='unknown';
1577: if (($httpbrowser=~/linux/i) ||
1578: ($httpbrowser=~/unix/i) ||
1579: ($httpbrowser=~/ux/i) ||
1580: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1581: if (($httpbrowser=~/vax/i) ||
1582: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1583: if ($httpbrowser=~/next/i) { $clientos='next'; }
1584: if (($httpbrowser=~/mac/i) ||
1585: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1586: if ($httpbrowser=~/win/i) { $clientos='win'; }
1587: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1588: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1589: $clientunicode,$clientos,);
1590: }
1591:
1.32 matthew 1592: ###############################################################
1593: ## Authentication changing form generation subroutines ##
1594: ###############################################################
1595: ##
1596: ## All of the authform_xxxxxxx subroutines take their inputs in a
1597: ## hash, and have reasonable default values.
1598: ##
1599: ## formname = the name given in the <form> tag.
1.35 matthew 1600: #-------------------------------------------
1601:
1.45 matthew 1602: =pod
1603:
1.112 bowersj2 1604: =head1 Authentication Routines
1605:
1606: =over 4
1607:
1608: =item * authform_xxxxxx
1.35 matthew 1609:
1610: The authform_xxxxxx subroutines provide javascript and html forms which
1611: handle some of the conveniences required for authentication forms.
1612: This is not an optimal method, but it works.
1613:
1614: See loncreateuser.pm for invocation and use examples.
1615:
1616: =over 4
1617:
1.112 bowersj2 1618: =item * authform_header
1.35 matthew 1619:
1.112 bowersj2 1620: =item * authform_authorwarning
1.35 matthew 1621:
1.112 bowersj2 1622: =item * authform_nochange
1.35 matthew 1623:
1.112 bowersj2 1624: =item * authform_kerberos
1.35 matthew 1625:
1.112 bowersj2 1626: =item * authform_internal
1.35 matthew 1627:
1.112 bowersj2 1628: =item * authform_filesystem
1.35 matthew 1629:
1630: =back
1631:
1.157 matthew 1632: =back
1633:
1.35 matthew 1634: =cut
1635:
1636: #-------------------------------------------
1.32 matthew 1637: sub authform_header{
1638: my %in = (
1639: formname => 'cu',
1.80 albertel 1640: kerb_def_dom => '',
1.32 matthew 1641: @_,
1642: );
1643: $in{'formname'} = 'document.' . $in{'formname'};
1644: my $result='';
1.80 albertel 1645:
1646: #---------------------------------------------- Code for upper case translation
1647: my $Javascript_toUpperCase;
1648: unless ($in{kerb_def_dom}) {
1649: $Javascript_toUpperCase =<<"END";
1650: switch (choice) {
1651: case 'krb': currentform.elements[choicearg].value =
1652: currentform.elements[choicearg].value.toUpperCase();
1653: break;
1654: default:
1655: }
1656: END
1657: } else {
1658: $Javascript_toUpperCase = "";
1659: }
1660:
1.165 raeburn 1661: my $radioval = "'nochange'";
1.174 matthew 1662: if (exists($in{'curr_authtype'}) &&
1663: defined($in{'curr_authtype'}) &&
1664: $in{'curr_authtype'} ne '') {
1665: $radioval = "'$in{'curr_authtype'}arg'";
1666: }
1.165 raeburn 1667: my $argfield = 'null';
1668: if ( grep/^mode$/,(keys %in) ) {
1669: if ($in{'mode'} eq 'modifycourse') {
1670: if ( grep/^curr_authtype$/,(keys %in) ) {
1671: $radioval = "'$in{'curr_authtype'}'";
1672: }
1673: if ( grep/^curr_autharg$/,(keys %in) ) {
1674: unless ($in{'curr_autharg'} eq '') {
1675: $argfield = "'$in{'curr_autharg'}'";
1676: }
1677: }
1678: }
1679: }
1680:
1.32 matthew 1681: $result.=<<"END";
1682: var current = new Object();
1.165 raeburn 1683: current.radiovalue = $radioval;
1684: current.argfield = $argfield;
1.32 matthew 1685:
1686: function changed_radio(choice,currentform) {
1687: var choicearg = choice + 'arg';
1688: // If a radio button in changed, we need to change the argfield
1689: if (current.radiovalue != choice) {
1690: current.radiovalue = choice;
1691: if (current.argfield != null) {
1692: currentform.elements[current.argfield].value = '';
1693: }
1694: if (choice == 'nochange') {
1695: current.argfield = null;
1696: } else {
1697: current.argfield = choicearg;
1698: switch(choice) {
1699: case 'krb':
1700: currentform.elements[current.argfield].value =
1701: "$in{'kerb_def_dom'}";
1702: break;
1703: default:
1704: break;
1705: }
1706: }
1707: }
1708: return;
1709: }
1.22 www 1710:
1.32 matthew 1711: function changed_text(choice,currentform) {
1712: var choicearg = choice + 'arg';
1713: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1714: $Javascript_toUpperCase
1.32 matthew 1715: // clear old field
1716: if ((current.argfield != choicearg) && (current.argfield != null)) {
1717: currentform.elements[current.argfield].value = '';
1718: }
1719: current.argfield = choicearg;
1720: }
1721: set_auth_radio_buttons(choice,currentform);
1722: return;
1.20 www 1723: }
1.32 matthew 1724:
1725: function set_auth_radio_buttons(newvalue,currentform) {
1726: var i=0;
1727: while (i < currentform.login.length) {
1728: if (currentform.login[i].value == newvalue) { break; }
1729: i++;
1730: }
1731: if (i == currentform.login.length) {
1732: return;
1733: }
1734: current.radiovalue = newvalue;
1735: currentform.login[i].checked = true;
1736: return;
1737: }
1738: END
1739: return $result;
1740: }
1741:
1742: sub authform_authorwarning{
1743: my $result='';
1.144 matthew 1744: $result='<i>'.
1745: &mt('As a general rule, only authors or co-authors should be '.
1746: 'filesystem authenticated '.
1747: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1748: return $result;
1749: }
1750:
1751: sub authform_nochange{
1752: my %in = (
1753: formname => 'document.cu',
1754: kerb_def_dom => 'MSU.EDU',
1755: @_,
1756: );
1.281 albertel 1757: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1758: '<input type="radio" name="login" value="nochange" '.
1759: 'checked="checked" onclick="'.
1.281 albertel 1760: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1761: '</label>';
1.32 matthew 1762: return $result;
1763: }
1764:
1765: sub authform_kerberos{
1766: my %in = (
1767: formname => 'document.cu',
1768: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1769: kerb_def_auth => 'krb4',
1.32 matthew 1770: @_,
1771: );
1.165 raeburn 1772: my ($check4,$check5,$krbarg);
1.80 albertel 1773: if ($in{'kerb_def_auth'} eq 'krb5') {
1774: $check5 = " checked=\"on\"";
1775: } else {
1776: $check4 = " checked=\"on\"";
1777: }
1.165 raeburn 1778: $krbarg = $in{'kerb_def_dom'};
1779:
1780: my $krbcheck = "";
1781: if ( grep/^curr_authtype$/,(keys %in) ) {
1782: if ($in{'curr_authtype'} =~ m/^krb/) {
1783: $krbcheck = " checked=\"on\"";
1784: if ( grep/^curr_autharg$/,(keys %in) ) {
1785: $krbarg = $in{'curr_autharg'};
1786: }
1787: }
1788: }
1789:
1.144 matthew 1790: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1791: my $result .= &mt
1792: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1793: '[_3] Version 4 [_4] Version 5 [_5]',
1794: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1795: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1796: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1797: 'value="'.$krbarg.'" '.
1.144 matthew 1798: 'onchange="'.$jscall.'" />',
1.281 albertel 1799: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1800: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1801: '</label>');
1.32 matthew 1802: return $result;
1803: }
1804:
1805: sub authform_internal{
1806: my %args = (
1807: formname => 'document.cu',
1808: kerb_def_dom => 'MSU.EDU',
1809: @_,
1810: );
1.165 raeburn 1811:
1812: my $intcheck = "";
1813: my $intarg = 'value=""';
1814: if ( grep/^curr_authtype$/,(keys %args) ) {
1815: if ($args{'curr_authtype'} eq 'int') {
1816: $intcheck = " checked=\"on\"";
1817: if ( grep/^curr_autharg$/,(keys %args) ) {
1818: $intarg = "value=\"$args{'curr_autharg'}\"";
1819: }
1820: }
1821: }
1822:
1.144 matthew 1823: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1824: my $result.=&mt
1825: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1826: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1827: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1828: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1829: ' onchange="'.$jscall.'" />');
1.32 matthew 1830: return $result;
1831: }
1832:
1833: sub authform_local{
1834: my %in = (
1835: formname => 'document.cu',
1836: kerb_def_dom => 'MSU.EDU',
1837: @_,
1838: );
1.165 raeburn 1839:
1840: my $loccheck = "";
1841: my $locarg = 'value=""';
1842: if ( grep/^curr_authtype$/,(keys %in) ) {
1843: if ($in{'curr_authtype'} eq 'loc') {
1844: $loccheck = " checked=\"on\"";
1845: if ( grep/^curr_autharg$/,(keys %in) ) {
1846: $locarg = "value=\"$in{'curr_autharg'}\"";
1847: }
1848: }
1849: }
1850:
1.144 matthew 1851: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1852: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1853: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1854: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1855: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1856: ' onchange="'.$jscall.'" />');
1.32 matthew 1857: return $result;
1858: }
1859:
1860: sub authform_filesystem{
1861: my %in = (
1862: formname => 'document.cu',
1863: kerb_def_dom => 'MSU.EDU',
1864: @_,
1865: );
1.144 matthew 1866: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1867: my $result.= &mt
1868: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1869: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1870: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1871: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1872: 'onchange="'.$jscall.'" />');
1.32 matthew 1873: return $result;
1874: }
1875:
1.80 albertel 1876: ###############################################################
1877: ## Get Authentication Defaults for Domain ##
1878: ###############################################################
1879:
1880: =pod
1881:
1.112 bowersj2 1882: =head1 Domains and Authentication
1883:
1884: Returns default authentication type and an associated argument as
1885: listed in file 'domain.tab'.
1886:
1887: =over 4
1888:
1889: =item * get_auth_defaults
1.80 albertel 1890:
1891: get_auth_defaults($target_domain) returns the default authentication
1892: type and an associated argument (initial password or a kerberos domain).
1893: These values are stored in lonTabs/domain.tab
1894:
1895: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1896:
1897: If target_domain is not found in domain.tab, returns nothing ('').
1898:
1899: =cut
1900:
1901: #-------------------------------------------
1902: sub get_auth_defaults {
1903: my $domain=shift;
1904: return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
1905: }
1906: ###############################################################
1907: ## End Get Authentication Defaults for Domain ##
1908: ###############################################################
1909:
1910: ###############################################################
1911: ## Get Kerberos Defaults for Domain ##
1912: ###############################################################
1913: ##
1914: ## Returns default kerberos version and an associated argument
1915: ## as listed in file domain.tab. If not listed, provides
1916: ## appropriate default domain and kerberos version.
1917: ##
1918: #-------------------------------------------
1919:
1920: =pod
1921:
1.112 bowersj2 1922: =item * get_kerberos_defaults
1.80 albertel 1923:
1924: get_kerberos_defaults($target_domain) returns the default kerberos
1925: version and domain. If not found in domain.tabs, it defaults to
1926: version 4 and the domain of the server.
1927:
1928: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1929:
1930: =cut
1931:
1932: #-------------------------------------------
1933: sub get_kerberos_defaults {
1934: my $domain=shift;
1935: my ($krbdef,$krbdefdom) =
1936: &Apache::loncommon::get_auth_defaults($domain);
1937: unless ($krbdef =~/^krb/ && $krbdefdom) {
1938: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1939: my $krbdefdom=$1;
1940: $krbdefdom=~tr/a-z/A-Z/;
1941: $krbdef = "krb4";
1942: }
1943: return ($krbdef,$krbdefdom);
1944: }
1.112 bowersj2 1945:
1946: =pod
1947:
1948: =back
1949:
1950: =cut
1.32 matthew 1951:
1.46 matthew 1952: ###############################################################
1953: ## Thesaurus Functions ##
1954: ###############################################################
1.20 www 1955:
1.46 matthew 1956: =pod
1.20 www 1957:
1.112 bowersj2 1958: =head1 Thesaurus Functions
1959:
1960: =over 4
1961:
1962: =item * initialize_keywords
1.46 matthew 1963:
1964: Initializes the package variable %Keywords if it is empty. Uses the
1965: package variable $thesaurus_db_file.
1966:
1967: =cut
1968:
1969: ###################################################
1970:
1971: sub initialize_keywords {
1972: return 1 if (scalar keys(%Keywords));
1973: # If we are here, %Keywords is empty, so fill it up
1974: # Make sure the file we need exists...
1975: if (! -e $thesaurus_db_file) {
1976: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1977: " failed because it does not exist");
1978: return 0;
1979: }
1980: # Set up the hash as a database
1981: my %thesaurus_db;
1982: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1983: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1984: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1985: $thesaurus_db_file);
1986: return 0;
1987: }
1988: # Get the average number of appearances of a word.
1989: my $avecount = $thesaurus_db{'average.count'};
1990: # Put keywords (those that appear > average) into %Keywords
1991: while (my ($word,$data)=each (%thesaurus_db)) {
1992: my ($count,undef) = split /:/,$data;
1993: $Keywords{$word}++ if ($count > $avecount);
1994: }
1995: untie %thesaurus_db;
1996: # Remove special values from %Keywords.
1.356 albertel 1997: foreach my $value ('total.count','average.count') {
1998: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 1999: }
2000: return 1;
2001: }
2002:
2003: ###################################################
2004:
2005: =pod
2006:
1.112 bowersj2 2007: =item * keyword($word)
1.46 matthew 2008:
2009: Returns true if $word is a keyword. A keyword is a word that appears more
2010: than the average number of times in the thesaurus database. Calls
2011: &initialize_keywords
2012:
2013: =cut
2014:
2015: ###################################################
1.20 www 2016:
2017: sub keyword {
1.46 matthew 2018: return if (!&initialize_keywords());
2019: my $word=lc(shift());
2020: $word=~s/\W//g;
2021: return exists($Keywords{$word});
1.20 www 2022: }
1.46 matthew 2023:
2024: ###############################################################
2025:
2026: =pod
1.20 www 2027:
1.112 bowersj2 2028: =item * get_related_words
1.46 matthew 2029:
1.160 matthew 2030: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2031: an array of words. If the keyword is not in the thesaurus, an empty array
2032: will be returned. The order of the words returned is determined by the
2033: database which holds them.
2034:
2035: Uses global $thesaurus_db_file.
2036:
2037: =cut
2038:
2039: ###############################################################
2040: sub get_related_words {
2041: my $keyword = shift;
2042: my %thesaurus_db;
2043: if (! -e $thesaurus_db_file) {
2044: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2045: "failed because the file does not exist");
2046: return ();
2047: }
2048: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2049: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2050: return ();
2051: }
2052: my @Words=();
1.429 www 2053: my $count=0;
1.46 matthew 2054: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2055: # The first element is the number of times
2056: # the word appears. We do not need it now.
1.429 www 2057: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2058: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2059: my $threshold=$mostfrequentcount/10;
2060: foreach my $possibleword (@RelatedWords) {
2061: my ($word,$wordcount)=split(/\,/,$possibleword);
2062: if ($wordcount>$threshold) {
2063: push(@Words,$word);
2064: $count++;
2065: if ($count>10) { last; }
2066: }
1.20 www 2067: }
2068: }
1.46 matthew 2069: untie %thesaurus_db;
2070: return @Words;
1.14 harris41 2071: }
1.46 matthew 2072:
1.112 bowersj2 2073: =pod
2074:
2075: =back
2076:
2077: =cut
1.61 www 2078:
2079: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2080: =pod
2081:
1.112 bowersj2 2082: =head1 User Name Functions
2083:
2084: =over 4
2085:
1.226 albertel 2086: =item * plainname($uname,$udom,$first)
1.81 albertel 2087:
1.112 bowersj2 2088: Takes a users logon name and returns it as a string in
1.226 albertel 2089: "first middle last generation" form
2090: if $first is set to 'lastname' then it returns it as
2091: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2092:
2093: =cut
1.61 www 2094:
1.295 www 2095:
1.81 albertel 2096: ###############################################################
1.61 www 2097: sub plainname {
1.226 albertel 2098: my ($uname,$udom,$first)=@_;
1.295 www 2099: my %names=&getnames($uname,$udom);
1.226 albertel 2100: my $name=&Apache::lonnet::format_name($names{'firstname'},
2101: $names{'middlename'},
2102: $names{'lastname'},
2103: $names{'generation'},$first);
2104: $name=~s/^\s+//;
1.62 www 2105: $name=~s/\s+$//;
2106: $name=~s/\s+/ /g;
1.353 albertel 2107: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2108: return $name;
1.61 www 2109: }
1.66 www 2110:
2111: # -------------------------------------------------------------------- Nickname
1.81 albertel 2112: =pod
2113:
1.112 bowersj2 2114: =item * nickname($uname,$udom)
1.81 albertel 2115:
2116: Gets a users name and returns it as a string as
2117:
2118: ""nickname""
1.66 www 2119:
1.81 albertel 2120: if the user has a nickname or
2121:
2122: "first middle last generation"
2123:
2124: if the user does not
2125:
2126: =cut
1.66 www 2127:
2128: sub nickname {
2129: my ($uname,$udom)=@_;
1.295 www 2130: my %names=&getnames($uname,$udom);
1.68 albertel 2131: my $name=$names{'nickname'};
1.66 www 2132: if ($name) {
2133: $name='"'.$name.'"';
2134: } else {
2135: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2136: $names{'lastname'}.' '.$names{'generation'};
2137: $name=~s/\s+$//;
2138: $name=~s/\s+/ /g;
2139: }
2140: return $name;
2141: }
2142:
1.295 www 2143: sub getnames {
2144: my ($uname,$udom)=@_;
1.433 albertel 2145: if ($udom eq 'public' && $uname eq 'public') {
2146: return ('lastname' => &mt('Public'));
2147: }
1.295 www 2148: my $id=$uname.':'.$udom;
2149: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2150: if ($cached) {
2151: return %{$names};
2152: } else {
2153: my %loadnames=&Apache::lonnet::get('environment',
2154: ['firstname','middlename','lastname','generation','nickname'],
2155: $udom,$uname);
2156: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2157: return %loadnames;
2158: }
2159: }
1.61 www 2160:
1.466 albertel 2161: sub getemails {
2162: my ($uname,$udom)=@_;
2163: if ($udom eq 'public' && $uname eq 'public') {
2164: return;
2165: }
1.467 www 2166: if (!$udom) { $udom=$env{'user.domain'}; }
2167: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2168: my $id=$uname.':'.$udom;
2169: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2170: if ($cached) {
2171: return %{$names};
2172: } else {
2173: my %loadnames=&Apache::lonnet::get('environment',
2174: ['notification','critnotification',
2175: 'permanentemail'],
2176: $udom,$uname);
2177: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2178: return %loadnames;
2179: }
2180: }
2181:
1.61 www 2182: # ------------------------------------------------------------------ Screenname
1.81 albertel 2183:
2184: =pod
2185:
1.112 bowersj2 2186: =item * screenname($uname,$udom)
1.81 albertel 2187:
2188: Gets a users screenname and returns it as a string
2189:
2190: =cut
1.61 www 2191:
2192: sub screenname {
2193: my ($uname,$udom)=@_;
1.258 albertel 2194: if ($uname eq $env{'user.name'} &&
2195: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2196: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2197: return $names{'screenname'};
1.62 www 2198: }
2199:
1.212 albertel 2200:
1.62 www 2201: # ------------------------------------------------------------- Message Wrapper
2202:
2203: sub messagewrapper {
1.369 www 2204: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2205: return
1.441 albertel 2206: '<a href="/adm/email?compose=individual&'.
2207: 'recname='.$username.'&recdom='.$domain.
2208: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2209: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2210: }
2211: # --------------------------------------------------------------- Notes Wrapper
2212:
2213: sub noteswrapper {
2214: my ($link,$un,$do)=@_;
2215: return
2216: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2217: }
2218: # ------------------------------------------------------------- Aboutme Wrapper
2219:
2220: sub aboutmewrapper {
1.166 www 2221: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2222: if (!defined($username) && !defined($domain)) {
2223: return;
2224: }
1.205 www 2225: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2226: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2227: }
2228:
2229: # ------------------------------------------------------------ Syllabus Wrapper
2230:
2231:
2232: sub syllabuswrapper {
1.109 matthew 2233: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2234: if ($fontcolor) {
2235: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2236: }
1.208 matthew 2237: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2238: }
1.14 harris41 2239:
1.208 matthew 2240: sub track_student_link {
1.268 albertel 2241: my ($linktext,$sname,$sdom,$target,$start) = @_;
2242: my $link ="/adm/trackstudent?";
1.208 matthew 2243: my $title = 'View recent activity';
2244: if (defined($sname) && $sname !~ /^\s*$/ &&
2245: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2246: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2247: $title .= ' of this student';
1.268 albertel 2248: }
1.208 matthew 2249: if (defined($target) && $target !~ /^\s*$/) {
2250: $target = qq{target="$target"};
2251: } else {
2252: $target = '';
2253: }
1.268 albertel 2254: if ($start) { $link.='&start='.$start; }
1.448 albertel 2255:
2256: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2257: &help_open_topic('View_recent_activity');
1.208 matthew 2258: }
2259:
1.112 bowersj2 2260: =pod
2261:
2262: =back
2263:
2264: =head1 Access .tab File Data
2265:
2266: =over 4
2267:
2268: =item * languageids()
2269:
2270: returns list of all language ids
2271:
2272: =cut
2273:
1.14 harris41 2274: sub languageids {
1.16 harris41 2275: return sort(keys(%language));
1.14 harris41 2276: }
2277:
1.112 bowersj2 2278: =pod
2279:
2280: =item * languagedescription()
2281:
2282: returns description of a specified language id
2283:
2284: =cut
2285:
1.14 harris41 2286: sub languagedescription {
1.125 www 2287: my $code=shift;
2288: return ($supported_language{$code}?'* ':'').
2289: $language{$code}.
1.126 www 2290: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2291: }
2292:
2293: sub plainlanguagedescription {
2294: my $code=shift;
2295: return $language{$code};
2296: }
2297:
2298: sub supportedlanguagecode {
2299: my $code=shift;
2300: return $supported_language{$code};
1.97 www 2301: }
2302:
1.112 bowersj2 2303: =pod
2304:
2305: =item * copyrightids()
2306:
2307: returns list of all copyrights
2308:
2309: =cut
2310:
2311: sub copyrightids {
2312: return sort(keys(%cprtag));
2313: }
2314:
2315: =pod
2316:
2317: =item * copyrightdescription()
2318:
2319: returns description of a specified copyright id
2320:
2321: =cut
2322:
2323: sub copyrightdescription {
1.166 www 2324: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2325: }
1.197 matthew 2326:
2327: =pod
2328:
1.192 taceyjo1 2329: =item * source_copyrightids()
2330:
2331: returns list of all source copyrights
2332:
2333: =cut
2334:
2335: sub source_copyrightids {
2336: return sort(keys(%scprtag));
2337: }
2338:
2339: =pod
2340:
2341: =item * source_copyrightdescription()
2342:
2343: returns description of a specified source copyright id
2344:
2345: =cut
2346:
2347: sub source_copyrightdescription {
2348: return &mt($scprtag{shift(@_)});
2349: }
1.112 bowersj2 2350:
2351: =pod
2352:
2353: =item * filecategories()
2354:
2355: returns list of all file categories
2356:
2357: =cut
2358:
2359: sub filecategories {
2360: return sort(keys(%category_extensions));
2361: }
2362:
2363: =pod
2364:
2365: =item * filecategorytypes()
2366:
2367: returns list of file types belonging to a given file
2368: category
2369:
2370: =cut
2371:
2372: sub filecategorytypes {
1.356 albertel 2373: my ($cat) = @_;
2374: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2375: }
2376:
2377: =pod
2378:
2379: =item * fileembstyle()
2380:
2381: returns embedding style for a specified file type
2382:
2383: =cut
2384:
2385: sub fileembstyle {
2386: return $fe{lc(shift(@_))};
1.169 www 2387: }
2388:
1.351 www 2389: sub filemimetype {
2390: return $fm{lc(shift(@_))};
2391: }
2392:
1.169 www 2393:
2394: sub filecategoryselect {
2395: my ($name,$value)=@_;
1.189 matthew 2396: return &select_form($value,$name,
1.169 www 2397: '' => &mt('Any category'),
2398: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2399: }
2400:
2401: =pod
2402:
2403: =item * filedescription()
2404:
2405: returns description for a specified file type
2406:
2407: =cut
2408:
2409: sub filedescription {
1.188 matthew 2410: my $file_description = $fd{lc(shift())};
2411: $file_description =~ s:([\[\]]):~$1:g;
2412: return &mt($file_description);
1.112 bowersj2 2413: }
2414:
2415: =pod
2416:
2417: =item * filedescriptionex()
2418:
2419: returns description for a specified file type with
2420: extra formatting
2421:
2422: =cut
2423:
2424: sub filedescriptionex {
2425: my $ex=shift;
1.188 matthew 2426: my $file_description = $fd{lc($ex)};
2427: $file_description =~ s:([\[\]]):~$1:g;
2428: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2429: }
2430:
2431: # End of .tab access
2432: =pod
2433:
2434: =back
2435:
2436: =cut
2437:
2438: # ------------------------------------------------------------------ File Types
2439: sub fileextensions {
2440: return sort(keys(%fe));
2441: }
2442:
1.97 www 2443: # ----------------------------------------------------------- Display Languages
2444: # returns a hash with all desired display languages
2445: #
2446:
2447: sub display_languages {
2448: my %languages=();
1.356 albertel 2449: foreach my $lang (&preferred_languages()) {
2450: $languages{$lang}=1;
1.97 www 2451: }
2452: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2453: if ($env{'form.displaylanguage'}) {
1.356 albertel 2454: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2455: $languages{$lang}=1;
1.97 www 2456: }
2457: }
2458: return %languages;
1.14 harris41 2459: }
2460:
1.117 www 2461: sub preferred_languages {
2462: my @languages=();
1.258 albertel 2463: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2464: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2465: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2466: }
1.258 albertel 2467: if ($env{'environment.languages'}) {
1.459 albertel 2468: @languages=(@languages,
2469: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2470: }
1.162 www 2471: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2472: if ($browser) {
2473: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2474: }
1.258 albertel 2475: if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
1.118 www 2476: @languages=(@languages,
1.258 albertel 2477: $Apache::lonnet::domain_lang_def{$env{'user.domain'}});
1.118 www 2478: }
1.258 albertel 2479: if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
1.118 www 2480: @languages=(@languages,
1.258 albertel 2481: $Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
1.118 www 2482: }
2483: if ($Apache::lonnet::domain_lang_def{
2484: $Apache::lonnet::perlvar{'lonDefDomain'}}) {
2485: @languages=(@languages,
2486: $Apache::lonnet::domain_lang_def{
2487: $Apache::lonnet::perlvar{'lonDefDomain'}});
2488: }
2489: # turn "en-ca" into "en-ca,en"
2490: my @genlanguages;
1.356 albertel 2491: foreach my $lang (@languages) {
2492: unless ($lang=~/\w/) { next; }
2493: push (@genlanguages,$lang);
2494: if ($lang=~/(\-|\_)/) {
2495: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2496: }
2497: }
2498: return @genlanguages;
1.117 www 2499: }
2500:
1.112 bowersj2 2501: ###############################################################
2502: ## Student Answer Attempts ##
2503: ###############################################################
2504:
2505: =pod
2506:
2507: =head1 Alternate Problem Views
2508:
2509: =over 4
2510:
2511: =item * get_previous_attempt($symb, $username, $domain, $course,
2512: $getattempt, $regexp, $gradesub)
2513:
2514: Return string with previous attempt on problem. Arguments:
2515:
2516: =over 4
2517:
2518: =item * $symb: Problem, including path
2519:
2520: =item * $username: username of the desired student
2521:
2522: =item * $domain: domain of the desired student
1.14 harris41 2523:
1.112 bowersj2 2524: =item * $course: Course ID
1.14 harris41 2525:
1.112 bowersj2 2526: =item * $getattempt: Leave blank for all attempts, otherwise put
2527: something
1.14 harris41 2528:
1.112 bowersj2 2529: =item * $regexp: if string matches this regexp, the string will be
2530: sent to $gradesub
1.14 harris41 2531:
1.112 bowersj2 2532: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2533:
1.112 bowersj2 2534: =back
1.14 harris41 2535:
1.112 bowersj2 2536: The output string is a table containing all desired attempts, if any.
1.16 harris41 2537:
1.112 bowersj2 2538: =cut
1.1 albertel 2539:
2540: sub get_previous_attempt {
1.43 ng 2541: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2542: my $prevattempts='';
1.43 ng 2543: no strict 'refs';
1.1 albertel 2544: if ($symb) {
1.3 albertel 2545: my (%returnhash)=
2546: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2547: if ($returnhash{'version'}) {
2548: my %lasthash=();
2549: my $version;
2550: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2551: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2552: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2553: }
1.1 albertel 2554: }
1.43 ng 2555: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2556: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2557: foreach my $key (sort(keys(%lasthash))) {
2558: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2559: if ($#parts > 0) {
1.31 albertel 2560: my $data=$parts[-1];
2561: pop(@parts);
1.40 ng 2562: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2563: } else {
1.41 ng 2564: if ($#parts == 0) {
2565: $prevattempts.='<th>'.$parts[0].'</th>';
2566: } else {
2567: $prevattempts.='<th>'.$ign.'</th>';
2568: }
1.31 albertel 2569: }
1.16 harris41 2570: }
1.40 ng 2571: if ($getattempt eq '') {
2572: for ($version=1;$version<=$returnhash{'version'};$version++) {
2573: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2574: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2575: my $value;
1.356 albertel 2576: if ($key =~ /timestamp/) {
2577: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2578: } else {
1.356 albertel 2579: $value=$returnhash{$version.':'.$key};
1.40 ng 2580: }
1.369 www 2581: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2582: }
2583: }
1.1 albertel 2584: }
1.40 ng 2585: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2586: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2587: my $value;
1.356 albertel 2588: if ($key =~ /timestamp/) {
2589: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2590: } else {
1.356 albertel 2591: $value=$lasthash{$key};
1.5 albertel 2592: }
1.369 www 2593: $value=&unescape($value);
1.356 albertel 2594: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2595: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2596: }
1.40 ng 2597: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2598: } else {
2599: $prevattempts='Nothing submitted - no attempts.';
2600: }
2601: } else {
2602: $prevattempts='No data.';
2603: }
1.10 albertel 2604: }
2605:
1.107 albertel 2606: sub relative_to_absolute {
2607: my ($url,$output)=@_;
2608: my $parser=HTML::TokeParser->new(\$output);
2609: my $token;
2610: my $thisdir=$url;
2611: my @rlinks=();
2612: while ($token=$parser->get_token) {
2613: if ($token->[0] eq 'S') {
2614: if ($token->[1] eq 'a') {
2615: if ($token->[2]->{'href'}) {
2616: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2617: }
2618: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2619: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2620: } elsif ($token->[1] eq 'base') {
2621: $thisdir=$token->[2]->{'href'};
2622: }
2623: }
2624: }
2625: $thisdir=~s-/[^/]*$--;
1.356 albertel 2626: foreach my $link (@rlinks) {
2627: unless (($link=~/^http:\/\//i) ||
2628: ($link=~/^\//) ||
2629: ($link=~/^javascript:/i) ||
2630: ($link=~/^mailto:/i) ||
2631: ($link=~/^\#/)) {
2632: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2633: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2634: }
2635: }
2636: # -------------------------------------------------- Deal with Applet codebases
2637: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2638: return $output;
2639: }
2640:
1.112 bowersj2 2641: =pod
2642:
2643: =item * get_student_view
2644:
2645: show a snapshot of what student was looking at
2646:
2647: =cut
2648:
1.10 albertel 2649: sub get_student_view {
1.186 albertel 2650: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2651: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2652: my (%form);
1.10 albertel 2653: my @elements=('symb','courseid','domain','username');
2654: foreach my $element (@elements) {
1.186 albertel 2655: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2656: }
1.186 albertel 2657: if (defined($moreenv)) {
2658: %form=(%form,%{$moreenv});
2659: }
1.236 albertel 2660: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2661: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2662: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2663: $userview=~s/\<body[^\>]*\>//gi;
2664: $userview=~s/\<\/body\>//gi;
2665: $userview=~s/\<html\>//gi;
2666: $userview=~s/\<\/html\>//gi;
2667: $userview=~s/\<head\>//gi;
2668: $userview=~s/\<\/head\>//gi;
2669: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2670: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2671: return $userview;
2672: }
2673:
1.112 bowersj2 2674: =pod
2675:
2676: =item * get_student_answers()
2677:
2678: show a snapshot of how student was answering problem
2679:
2680: =cut
2681:
1.11 albertel 2682: sub get_student_answers {
1.100 sakharuk 2683: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2684: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2685: my (%moreenv);
1.11 albertel 2686: my @elements=('symb','courseid','domain','username');
2687: foreach my $element (@elements) {
1.186 albertel 2688: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2689: }
1.186 albertel 2690: $moreenv{'grade_target'}='answer';
2691: %moreenv=(%form,%moreenv);
2692: my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
1.10 albertel 2693: return $userview;
1.1 albertel 2694: }
1.116 albertel 2695:
2696: =pod
2697:
2698: =item * &submlink()
2699:
1.242 albertel 2700: Inputs: $text $uname $udom $symb $target
1.116 albertel 2701:
2702: Returns: A link to grades.pm such as to see the SUBM view of a student
2703:
2704: =cut
2705:
2706: ###############################################
2707: sub submlink {
1.242 albertel 2708: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2709: if (!($uname && $udom)) {
2710: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2711: &Apache::lonnet::whichuser($symb);
1.116 albertel 2712: if (!$symb) { $symb=$cursymb; }
2713: }
1.254 matthew 2714: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2715: $symb=&escape($symb);
1.242 albertel 2716: if ($target) { $target="target=\"$target\""; }
2717: return '<a href="/adm/grades?&command=submission&'.
2718: 'symb='.$symb.'&student='.$uname.
2719: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2720: }
2721: ##############################################
2722:
2723: =pod
2724:
2725: =item * &pgrdlink()
2726:
2727: Inputs: $text $uname $udom $symb $target
2728:
2729: Returns: A link to grades.pm such as to see the PGRD view of a student
2730:
2731: =cut
2732:
2733: ###############################################
2734: sub pgrdlink {
2735: my $link=&submlink(@_);
2736: $link=~s/(&command=submission)/$1&showgrading=yes/;
2737: return $link;
2738: }
2739: ##############################################
2740:
2741: =pod
2742:
2743: =item * &pprmlink()
2744:
2745: Inputs: $text $uname $udom $symb $target
2746:
2747: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2748: student and a specific resource
1.242 albertel 2749:
2750: =cut
2751:
2752: ###############################################
2753: sub pprmlink {
2754: my ($text,$uname,$udom,$symb,$target)=@_;
2755: if (!($uname && $udom)) {
2756: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2757: &Apache::lonnet::whichuser($symb);
1.242 albertel 2758: if (!$symb) { $symb=$cursymb; }
2759: }
1.254 matthew 2760: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2761: $symb=&escape($symb);
1.242 albertel 2762: if ($target) { $target="target=\"$target\""; }
2763: return '<a href="/adm/parmset?&command=set&'.
2764: 'symb='.$symb.'&uname='.$uname.
2765: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2766: }
2767: ##############################################
1.37 matthew 2768:
1.112 bowersj2 2769: =pod
2770:
2771: =back
2772:
2773: =cut
2774:
1.37 matthew 2775: ###############################################
1.51 www 2776:
2777:
2778: sub timehash {
2779: my @ltime=localtime(shift);
2780: return ( 'seconds' => $ltime[0],
2781: 'minutes' => $ltime[1],
2782: 'hours' => $ltime[2],
2783: 'day' => $ltime[3],
2784: 'month' => $ltime[4]+1,
2785: 'year' => $ltime[5]+1900,
2786: 'weekday' => $ltime[6],
2787: 'dayyear' => $ltime[7]+1,
2788: 'dlsav' => $ltime[8] );
2789: }
2790:
1.370 www 2791: sub utc_string {
2792: my ($date)=@_;
1.371 www 2793: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2794: }
2795:
1.51 www 2796: sub maketime {
2797: my %th=@_;
2798: return POSIX::mktime(
2799: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2800: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2801: }
2802:
2803: #########################################
1.51 www 2804:
2805: sub findallcourses {
1.355 albertel 2806: my ($roles) = @_;
2807: my %roles;
2808: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2809: my %courses;
1.51 www 2810: my $now=time;
1.348 albertel 2811: foreach my $key (keys(%env)) {
1.474 raeburn 2812: if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)/?(\w*)$} ||
2813: $key=~m{^user\.role\.(cr/\w+/\w+/\w+)\./(\w+)/(\w+)}) {
2814: my ($role,$domain,$id,$sec) = ($1,$2,$3,$4);
1.348 albertel 2815: next if ($role eq 'ca' || $role eq 'aa');
1.355 albertel 2816: next if (%roles && !exists($roles{$role}));
1.354 albertel 2817: my ($starttime,$endtime)=split(/\./,$env{$key});
1.51 www 2818: my $active=1;
2819: if ($starttime) {
2820: if ($now<$starttime) { $active=0; }
2821: }
2822: if ($endtime) {
2823: if ($now>$endtime) { $active=0; }
2824: }
1.474 raeburn 2825: if ($active) {
2826: if ($sec eq '') {
2827: $sec = 'none';
2828: }
2829: $courses{$domain.'_'.$id}{$sec} = 1;
2830: }
1.51 www 2831: }
2832: }
1.474 raeburn 2833: return %courses;
1.51 www 2834: }
1.37 matthew 2835:
1.54 www 2836: ###############################################
1.474 raeburn 2837:
2838: sub blockcheck {
2839: my ($setters,$activity) = @_;
2840: # Retrieve active student roles and active course coordinator/instructor roles
2841:
2842: my %live_courses = &findallcourses();
2843:
2844: # Retrieve blocking times and identity of blocker for active courses
2845: # unless user has 'evb' privilege.
2846:
2847: my $startblock = 0;
2848: my $endblock = 0;
2849:
2850: foreach my $course (keys(%live_courses)) {
2851: my $cdom = $env{'course.'.$course.'.domain'};
2852: my $cnum = $env{'course.'.$course.'.num'};
2853: my $noblock = 0;
2854: foreach my $sec (keys(%{$live_courses{$course}})) {
2855: my $role = 'cm./'.$cdom.'/'.$cnum;
2856: if ($sec ne 'none') {
2857: $role .= '/'.$sec;
2858: }
2859: if (&Apache::lonnet::allowed('evb',undef,undef,$role)) {
2860: $noblock = 1;
2861: last;
2862: }
2863: }
2864: # if they have the evb priv and are currently not playing student
2865: next if (($noblock) &&
2866: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2867:
2868: $setters->{$course} = {};
2869: $setters->{$course}{'staff'} = [];
2870: $setters->{$course}{'times'} = [];
2871: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
2872: foreach my $record (keys(%records)) {
2873: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
2874: if ($start <= time && $end >= time) {
2875: my ($staff_name,$staff_dom,$title,$blocks) =
2876: &parse_block_record($records{$record});
2877: if ($blocks->{$activity} eq 'on') {
2878: push(@{$$setters{$course}{'staff'}}, [$staff_name,$staff_dom]); push(@{$$setters{$course}{'times'}}, [$start,$end]);
2879: if ( ($startblock == 0) || ($startblock > $1) ) {
2880: $startblock = $1;
2881: }
2882: if ( ($endblock == 0) || ($endblock < $2) ) {
2883: $endblock = $2;
2884: }
2885: }
2886: }
2887: }
2888: }
2889: return ($startblock,$endblock);
2890: }
2891:
2892: sub parse_block_record {
2893: my ($record) = @_;
2894: my ($setuname,$setudom,$title,$blocks);
2895: if (ref($record) eq 'HASH') {
2896: ($setuname,$setudom) = split(/:/,$record->{'setter'});
2897: $title = &unescape($record->{'event'});
2898: $blocks = $record->{'blocks'};
2899:
2900: } else {
2901: my @data = split(/:/,$record,3);
2902: if (scalar(@data) eq 2) {
2903: $title = $data[1];
2904: ($setuname,$setudom) = split(/@/,$data[0]);
2905: } else {
2906: ($setuname,$setudom,$title) = @data;
2907: }
2908: $blocks = { 'com' => 'on' };
2909: }
2910: return ($setuname,$setudom,$title,$blocks);
2911: }
2912:
2913: sub build_block_table {
2914: my ($startblock,$endblock,$setters) = @_;
2915: my %lt = &Apache::lonlocal::texthash(
2916: 'cacb' => 'Currently active communication blocks',
2917: 'cour' => 'Course',
2918: 'dura' => 'Duration',
2919: 'blse' => 'Block set by'
2920: );
2921: my $output;
2922: $output = '<br /><br />'.$lt{'cacb'}.':<br /><br />';
2923: $output .= &start_data_table();
2924: $output .= '
2925: <tr>
2926: <th>'.$lt{'cour'}.'</th>
2927: <th>'.$lt{'dura'}.'</th>
2928: <th>'.$lt{'blse'}.'</th>
2929: </tr>
2930: ';
2931: foreach my $course (keys(%{$setters})) {
2932: my %courseinfo=&Apache::lonnet::coursedescription($course);
2933: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
2934: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
2935: my $fullname = &Apache::loncommon::plainname($uname,$udom);
2936: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
2937: $openblock = &Apache::lonlocal::locallocaltime($openblock);
2938: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
2939: $output .= &Apache::loncommon::start_data_table_row().
2940: '<td>'.$courseinfo{'description'}.'</td>'.
2941: '<td>'.$openblock.' to '.$closeblock.'</td>'.
2942: '<td>'.$fullname.' ('.$uname.':'.$udom.
2943: ')</td>'.
2944: &Apache::loncommon::end_data_table_row();
2945: }
2946: }
2947: $output .= &end_data_table();
2948: }
2949:
1.60 matthew 2950: ###############################################
2951:
2952: =pod
2953:
1.112 bowersj2 2954: =head1 Domain Template Functions
2955:
2956: =over 4
2957:
2958: =item * &determinedomain()
1.60 matthew 2959:
2960: Inputs: $domain (usually will be undef)
2961:
1.63 www 2962: Returns: Determines which domain should be used for designs
1.60 matthew 2963:
2964: =cut
1.54 www 2965:
1.60 matthew 2966: ###############################################
1.63 www 2967: sub determinedomain {
2968: my $domain=shift;
2969: if (! $domain) {
1.60 matthew 2970: # Determine domain if we have not been given one
2971: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 2972: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
2973: if ($env{'request.role.domain'}) {
2974: $domain=$env{'request.role.domain'};
1.60 matthew 2975: }
2976: }
1.63 www 2977: return $domain;
2978: }
2979: ###############################################
2980: =pod
2981:
1.112 bowersj2 2982: =item * &domainlogo()
1.63 www 2983:
2984: Inputs: $domain (usually will be undef)
2985:
2986: Returns: A link to a domain logo, if the domain logo exists.
2987: If the domain logo does not exist, a description of the domain.
2988:
2989: =cut
1.112 bowersj2 2990:
1.63 www 2991: ###############################################
2992: sub domainlogo {
2993: my $domain = &determinedomain(shift);
2994: # See if there is a logo
1.59 www 2995: if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
1.215 albertel 2996: my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
2997: return '<img src="'.$logo.'" alt="'.$domain.'" />';
1.60 matthew 2998: } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
2999: return $Apache::lonnet::domaindescription{$domain};
1.59 www 3000: } else {
1.60 matthew 3001: return '';
1.59 www 3002: }
3003: }
1.63 www 3004: ##############################################
3005:
3006: =pod
3007:
1.112 bowersj2 3008: =item * &designparm()
1.63 www 3009:
3010: Inputs: $which parameter; $domain (usually will be undef)
3011:
3012: Returns: value of designparamter $which
3013:
3014: =cut
1.112 bowersj2 3015:
1.397 albertel 3016:
1.400 albertel 3017: ##############################################
1.397 albertel 3018: sub designparm {
3019: my ($which,$domain)=@_;
1.258 albertel 3020: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3021: if ($which=~/\.(font|alink|vlink|link)$/) {
3022: return '#000000';
3023: }
3024: if ($which=~/\.(pgbg|sidebg)$/) {
3025: return '#FFFFFF';
3026: }
3027: if ($which=~/\.tabbg$/) {
3028: return '#CCCCCC';
3029: }
3030: }
1.397 albertel 3031: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3032: return $env{'environment.color.'.$which};
1.96 www 3033: }
1.63 www 3034: $domain=&determinedomain($domain);
1.397 albertel 3035: if (exists($designhash{$domain.'.'.$which})) {
1.63 www 3036: return $designhash{$domain.'.'.$which};
3037: } else {
3038: return $designhash{'default.'.$which};
3039: }
3040: }
1.59 www 3041:
1.60 matthew 3042: ###############################################
3043: ###############################################
3044:
3045: =pod
3046:
1.112 bowersj2 3047: =back
3048:
3049: =head1 HTTP Helpers
3050:
3051: =over 4
3052:
3053: =item * &bodytag()
1.60 matthew 3054:
3055: Returns a uniform header for LON-CAPA web pages.
3056:
3057: Inputs:
3058:
1.112 bowersj2 3059: =over 4
3060:
3061: =item * $title, A title to be displayed on the page.
3062:
3063: =item * $function, the current role (can be undef).
3064:
3065: =item * $addentries, extra parameters for the <body> tag.
3066:
3067: =item * $bodyonly, if defined, only return the <body> tag.
3068:
3069: =item * $domain, if defined, force a given domain.
3070:
3071: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3072: text interface only)
1.60 matthew 3073:
1.326 albertel 3074: =item * $customtitle, alternate text to use instead of $title
3075: in the title box that appears, this text
3076: is not auto translated like the $title is
1.309 albertel 3077:
3078: =item * $notopbar, if true, keep the 'what is this' info but remove the
3079: navigational links
1.317 albertel 3080:
1.338 albertel 3081: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3082:
3083: =item * $notitle, if true keep the nav controls, but remove the title bar
3084:
1.361 albertel 3085: =item * $no_inline_link, if true and in remote mode, don't show the
3086: 'Switch To Inline Menu' link
3087:
1.460 albertel 3088: =item * $args, optional argument valid values are
3089: no_auto_mt_title -> prevents &mt()ing the title arg
3090:
1.112 bowersj2 3091: =back
3092:
1.60 matthew 3093: Returns: A uniform header for LON-CAPA web pages.
3094: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3095: If $bodyonly is undef or zero, an html string containing a <body> tag and
3096: other decorations will be returned.
3097:
3098: =cut
3099:
1.54 www 3100: sub bodytag {
1.309 albertel 3101: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3102: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3103:
1.460 albertel 3104: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3105:
1.183 matthew 3106: $function = &get_users_function() if (!$function);
1.339 albertel 3107: my $img = &designparm($function.'.img',$domain);
3108: my $font = &designparm($function.'.font',$domain);
3109: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3110:
3111: my %design = ( 'style' => 'margin-top: 0px',
3112: 'bgcolor' => $pgbg,
3113: 'text' => $font,
3114: 'alink' => &designparm($function.'.alink',$domain),
3115: 'vlink' => &designparm($function.'.vlink',$domain),
3116: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3117: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3118:
1.63 www 3119: # role and realm
1.378 raeburn 3120: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3121: if ($role eq 'ca') {
3122: my ($rdom,$rname) = ($realm =~ m-^/(\w+)/(\w+)$-);
3123: $realm = &plainname($rname,$rdom).':'.$rdom;
3124: }
1.55 www 3125: # realm
1.258 albertel 3126: if ($env{'request.course.id'}) {
1.378 raeburn 3127: if ($env{'request.role'} !~ /^cr/) {
3128: $role = &Apache::lonnet::plaintext($role,&course_type());
3129: }
1.359 albertel 3130: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3131: } else {
3132: $role = &Apache::lonnet::plaintext($role);
1.54 www 3133: }
1.433 albertel 3134:
1.359 albertel 3135: if (!$realm) { $realm=' '; }
1.55 www 3136: # Set messages
1.60 matthew 3137: my $messages=&domainlogo($domain);
1.101 www 3138: # Port for miniserver
1.83 albertel 3139: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3140: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3141:
1.438 albertel 3142: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3143:
1.101 www 3144: # construct main body tag
1.359 albertel 3145: my $bodytag = "<body $extra_body_attr>".
3146: &Apache::lontexconvert::init_math_support();
1.252 albertel 3147:
1.332 albertel 3148: if ($bodyonly
3149: || ($env{'request.state'} eq 'construct'
3150: && $env{'environment.remote'} ne 'off' )) {
1.60 matthew 3151: return $bodytag;
1.258 albertel 3152: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3153: # Accessibility
1.224 raeburn 3154:
1.337 albertel 3155: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3156: if (!$notitle) {
1.337 albertel 3157: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3158: }
3159: return $bodytag;
1.359 albertel 3160: }
3161:
1.410 albertel 3162: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3163: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3164: undef($role);
1.434 albertel 3165: } else {
3166: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3167: }
1.359 albertel 3168:
3169: my $roleinfo=(<<ENDROLE);
3170: <td class="LC_title_bar_who">
3171: <div class="LC_title_bar_name">
1.410 albertel 3172: $name
1.361 albertel 3173:
1.359 albertel 3174: </div>
3175: <div class="LC_title_bar_role">
1.361 albertel 3176: $role
1.359 albertel 3177: </div>
3178: <div class="LC_title_bar_realm">
1.361 albertel 3179: $realm
1.359 albertel 3180: </div>
1.206 albertel 3181: </td>
3182: ENDROLE
1.235 raeburn 3183:
1.359 albertel 3184: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3185: if ($customtitle) {
3186: $titleinfo = $customtitle;
3187: }
3188: #
3189: # Extra info if you are the DC
3190: my $dc_info = '';
3191: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3192: $env{'course.'.$env{'request.course.id'}.
3193: '.domain'}.'/'})) {
3194: my $cid = $env{'request.course.id'};
3195: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3196: $dc_info =~ s/\s+$//;
1.359 albertel 3197: $dc_info = '('.$dc_info.')';
3198: }
3199:
3200: if ($env{'environment.remote'} eq 'off') {
3201: # No Remote
1.258 albertel 3202: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3203: $forcereg=1;
3204: }
3205:
3206: if (!$customtitle && $env{'request.state'} eq 'construct') {
3207: # this is for resources; directories have customtitle, and crumbs
3208: # and select recent are created in lonpubdir.pm
1.229 albertel 3209: my ($uname,$thisdisfn)=
1.258 albertel 3210: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3211: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3212: $formaction=~s/\/+/\//g;
3213:
1.359 albertel 3214: my $parentpath = '';
3215: my $lastitem = '';
3216: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3217: $parentpath = $1;
3218: $lastitem = $2;
3219: } else {
3220: $lastitem = $thisdisfn;
3221: }
3222: $titleinfo =
1.401 albertel 3223: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3224: '<b>Construction Space</b>: '.
3225: '<form name="dirs" method="post" action="'.$formaction
3226: .'" target="_top"><tt><b>'
3227: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3228: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3229: .'</form>'
3230: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3231: }
1.359 albertel 3232:
1.337 albertel 3233: my $titletable;
1.338 albertel 3234: if (!$notitle) {
1.337 albertel 3235: $titletable =
1.359 albertel 3236: '<table id="LC_title_bar">'.
3237: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3238: '</tr></table>';
1.337 albertel 3239: }
1.359 albertel 3240: if ($notopbar) {
3241: $bodytag .= $titletable;
3242: } else {
3243: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3244: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3245: $titletable);
1.272 raeburn 3246: } else {
1.336 albertel 3247: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3248: $titletable;
1.272 raeburn 3249: }
1.235 raeburn 3250: }
3251: return $bodytag;
1.94 www 3252: }
1.95 www 3253:
1.93 www 3254: #
1.95 www 3255: # Top frame rendering, Remote is up
1.93 www 3256: #
1.359 albertel 3257:
3258: my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
3259: $lonhttpdPort.$img.'" alt="'.$function.'" />';
3260:
1.305 www 3261: # Explicit link to get inline menu
1.361 albertel 3262: my $menu= ($no_inline_link?''
3263: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3264: #
1.338 albertel 3265: if ($notitle) {
1.337 albertel 3266: return $bodytag;
3267: }
1.94 www 3268: return(<<ENDBODY);
1.60 matthew 3269: $bodytag
1.359 albertel 3270: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3271: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3272: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3273: </tr>
1.359 albertel 3274: <tr><td>$titleinfo $dc_info $menu</td>
3275: $roleinfo
1.368 albertel 3276: </tr>
1.356 albertel 3277: </table>
1.54 www 3278: ENDBODY
1.182 matthew 3279: }
3280:
1.330 albertel 3281: sub make_attr_string {
3282: my ($register,$attr_ref) = @_;
3283:
3284: if ($attr_ref && !ref($attr_ref)) {
3285: die("addentries Must be a hash ref ".
3286: join(':',caller(1))." ".
3287: join(':',caller(0))." ");
3288: }
3289:
3290: if ($register) {
1.339 albertel 3291: my ($on_load,$on_unload);
3292: foreach my $key (keys(%{$attr_ref})) {
3293: if (lc($key) eq 'onload') {
3294: $on_load.=$attr_ref->{$key}.';';
3295: delete($attr_ref->{$key});
3296:
3297: } elsif (lc($key) eq 'onunload') {
3298: $on_unload.=$attr_ref->{$key}.';';
3299: delete($attr_ref->{$key});
3300: }
3301: }
3302: $attr_ref->{'onload'} =
3303: &Apache::lonmenu::loadevents(). $on_load;
3304: $attr_ref->{'onunload'}=
3305: &Apache::lonmenu::unloadevents().$on_unload;
3306: }
3307:
3308: # Accessibility font enhance
3309: if ($env{'browser.fontenhance'} eq 'on') {
3310: my $style;
3311: foreach my $key (keys(%{$attr_ref})) {
3312: if (lc($key) eq 'style') {
3313: $style.=$attr_ref->{$key}.';';
3314: delete($attr_ref->{$key});
3315: }
3316: }
3317: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3318: }
1.339 albertel 3319:
3320: if ($env{'browser.blackwhite'} eq 'on') {
3321: delete($attr_ref->{'font'});
3322: delete($attr_ref->{'link'});
3323: delete($attr_ref->{'alink'});
3324: delete($attr_ref->{'vlink'});
3325: delete($attr_ref->{'bgcolor'});
3326: delete($attr_ref->{'background'});
3327: }
3328:
1.330 albertel 3329: my $attr_string;
3330: foreach my $attr (keys(%$attr_ref)) {
3331: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3332: }
3333: return $attr_string;
3334: }
3335:
3336:
1.182 matthew 3337: ###############################################
1.251 albertel 3338: ###############################################
3339:
3340: =pod
3341:
3342: =back
3343:
1.306 albertel 3344: =head1 HTML Helpers
1.251 albertel 3345:
3346: =over 4
3347:
3348: =item * &endbodytag()
3349:
3350: Returns a uniform footer for LON-CAPA web pages.
3351:
1.306 albertel 3352: Inputs: none
1.251 albertel 3353:
3354: =back
3355:
3356: =cut
3357:
3358: sub endbodytag {
3359: my $endbodytag='</body>';
1.269 albertel 3360: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3361: if ( exists( $env{'internal.head.redirect'} ) ) {
3362: $endbodytag=
3363: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3364: &mt('Continue').'</a>'.
3365: $endbodytag;
3366: }
1.251 albertel 3367: return $endbodytag;
3368: }
3369:
1.352 albertel 3370: =pod
3371:
3372: =over 4
3373:
3374: =item * &standard_css()
3375:
3376: Returns a style sheet
3377:
3378: Inputs: (all optional)
3379: domain -> force to color decorate a page for a specific
3380: domain
3381: function -> force usage of a specific rolish color scheme
3382: bgcolor -> override the default page bgcolor
3383:
3384: =back
3385:
3386: =cut
3387:
1.343 albertel 3388: sub standard_css {
1.345 albertel 3389: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3390: $function = &get_users_function() if (!$function);
3391: my $img = &designparm($function.'.img', $domain);
3392: my $tabbg = &designparm($function.'.tabbg', $domain);
3393: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3394: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3395: my $pgbg_or_bgcolor =
3396: $bgcolor ||
1.352 albertel 3397: &designparm($function.'.pgbg', $domain);
1.382 albertel 3398: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3399: my $alink = &designparm($function.'.alink', $domain);
3400: my $vlink = &designparm($function.'.vlink', $domain);
3401: my $link = &designparm($function.'.link', $domain);
3402:
3403: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3404: my $mono = 'monospace';
1.352 albertel 3405: my $data_table_head = $tabbg;
3406: my $data_table_light = '#EEEEEE';
1.470 banghart 3407: my $data_table_dark = '#DDDDDD';
3408: my $data_table_darker = '#CCCCCC';
1.349 albertel 3409: my $data_table_highlight = '#FFFF00';
1.352 albertel 3410: my $mail_new = '#FFBB77';
3411: my $mail_new_hover = '#DD9955';
3412: my $mail_read = '#BBBB77';
3413: my $mail_read_hover = '#999944';
3414: my $mail_replied = '#AAAA88';
3415: my $mail_replied_hover = '#888855';
3416: my $mail_other = '#99BBBB';
3417: my $mail_other_hover = '#669999';
1.391 albertel 3418: my $table_header = '#DDDDDD';
1.392 albertel 3419:
3420: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3421: : '0px 3px 0px 4px';
1.448 albertel 3422:
1.343 albertel 3423: return <<END;
1.345 albertel 3424: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3425: a:focus { color: red; background: yellow }
3426: table.thinborder { border-collapse: collapse; }
1.426 albertel 3427: table.thinborder tr th { border-style: solid; border-width: 1px; background: $tabbg;}
3428: table.thinborder tr td { border-style: solid; border-width: 1px}
3429:
1.343 albertel 3430: form, .inline { display: inline; }
3431: .center { text-align: center; }
1.395 albertel 3432: .LC_filename {font-family: $mono;}
1.350 albertel 3433: .LC_error {
3434: color: red;
3435: font-size: larger;
3436: }
1.457 albertel 3437: .LC_warning,
3438: .LC_diff_removed {
1.394 albertel 3439: color: red;
3440: }
1.457 albertel 3441: .LC_success,
3442: .LC_diff_added {
1.350 albertel 3443: color: green;
3444: }
1.440 albertel 3445: .LC_icon {
3446: border: 0px;
3447: }
1.346 albertel 3448:
1.458 albertel 3449: table.LC_pastsubmission {
3450: border: 1px solid black;
3451: margin: 2px;
3452: }
3453:
1.392 albertel 3454: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3455: width: 100%;
3456: background: $pgbg;
1.392 albertel 3457: border: 2px;
1.402 albertel 3458: border-collapse: separate;
1.403 albertel 3459: padding: 0px;
1.345 albertel 3460: }
1.392 albertel 3461:
1.409 albertel 3462: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3463: table#LC_title_bar.LC_with_remote {
1.359 albertel 3464: width: 100%;
1.392 albertel 3465: border-color: $pgbg;
3466: border-style: solid;
3467: border-width: $border;
3468:
1.379 albertel 3469: background: $pgbg;
3470: font-family: $sans;
1.392 albertel 3471: border-collapse: collapse;
1.403 albertel 3472: padding: 0px;
1.359 albertel 3473: }
1.392 albertel 3474:
1.409 albertel 3475: table.LC_docs_path {
3476: width: 100%;
3477: border: 0;
3478: background: $pgbg;
3479: font-family: $sans;
3480: border-collapse: collapse;
3481: padding: 0px;
3482: }
3483:
1.359 albertel 3484: table#LC_title_bar td {
3485: background: $tabbg;
3486: }
3487: table#LC_title_bar td.LC_title_bar_who {
3488: background: $tabbg;
3489: color: $font;
1.427 albertel 3490: font: small $sans;
1.359 albertel 3491: text-align: right;
3492: }
1.469 banghart 3493: span.LC_metadata {
3494: font-family: $sans;
3495: }
1.359 albertel 3496: span.LC_title_bar_title {
1.416 albertel 3497: font: bold x-large $sans;
1.359 albertel 3498: }
3499: table#LC_title_bar td.LC_title_bar_domain_logo {
3500: background: $sidebg;
3501: text-align: right;
1.368 albertel 3502: padding: 0px;
3503: }
3504: table#LC_title_bar td.LC_title_bar_role_logo {
3505: background: $sidebg;
3506: padding: 0px;
1.359 albertel 3507: }
3508:
1.346 albertel 3509: table#LC_menubuttons_mainmenu {
3510: background: $pgbg;
3511: border: 0px;
3512: border-spacing: 1px;
1.372 albertel 3513: padding: 0px 1px;
1.346 albertel 3514: margin: 0px;
3515: border-collapse: separate;
3516: }
3517: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3518: border: 0px;
3519: }
1.345 albertel 3520: table#LC_top_nav td {
3521: background: $tabbg;
1.392 albertel 3522: border: 0px;
1.407 albertel 3523: font-size: small;
1.345 albertel 3524: }
3525: table#LC_top_nav td a, div#LC_top_nav a {
3526: color: $font;
3527: font-family: $sans;
3528: }
1.364 albertel 3529: table#LC_top_nav td.LC_top_nav_logo {
3530: background: $tabbg;
1.432 albertel 3531: text-align: left;
1.408 albertel 3532: white-space: nowrap;
1.432 albertel 3533: width: 31px;
1.408 albertel 3534: }
3535: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3536: border: 0px;
1.408 albertel 3537: vertical-align: bottom;
1.364 albertel 3538: }
1.432 albertel 3539: table#LC_top_nav td.LC_top_nav_exit,
3540: table#LC_top_nav td.LC_top_nav_help {
3541: width: 2.0em;
3542: }
1.442 albertel 3543: table#LC_top_nav td.LC_top_nav_login {
3544: width: 4.0em;
3545: text-align: center;
3546: }
1.409 albertel 3547: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3548: background: $tabbg;
3549: color: $font;
3550: font-family: $sans;
1.358 albertel 3551: font-size: smaller;
1.357 albertel 3552: }
1.411 albertel 3553: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3554: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3555: background: $tabbg;
3556: color: $font;
3557: font-family: $sans;
3558: font-size: larger;
3559: text-align: right;
3560: }
1.383 albertel 3561: td.LC_table_cell_checkbox {
3562: text-align: center;
3563: }
3564:
1.346 albertel 3565: .LC_menubuttons_inline_text {
3566: color: $font;
3567: font-family: $sans;
3568: font-size: smaller;
3569: }
3570:
3571: td.LC_menubuttons_text {
3572: color: $font;
3573: font-family: $sans;
3574: }
3575: td.LC_menubuttons_img {
3576: background: $tabbg;
3577: }
3578: .LC_current_location {
3579: font-family: $sans;
3580: background: $tabbg;
3581: }
3582: .LC_new_mail {
3583: font-family: $sans;
3584: font-weight: bold;
3585: }
1.347 albertel 3586:
1.440 albertel 3587: table.LC_aboutme_port {
3588: border: 0px;
3589: border-collapse: collapse;
3590: border-spacing: 0px;
3591: }
1.349 albertel 3592: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3593: border: 1px solid #000000;
1.402 albertel 3594: border-collapse: separate;
1.426 albertel 3595: border-spacing: 1px;
1.347 albertel 3596: }
1.422 albertel 3597: .LC_data_table_dense {
3598: font-size: small;
3599: }
1.349 albertel 3600: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
3601: font-weight: bold;
3602: background-color: $data_table_head;
1.421 albertel 3603: font-size: smaller;
1.347 albertel 3604: }
1.440 albertel 3605: table.LC_data_table tr td,
3606: table.LC_aboutme_port tr td {
1.349 albertel 3607: background-color: $data_table_light;
1.425 albertel 3608: padding: 2px;
1.347 albertel 3609: }
1.440 albertel 3610: table.LC_data_table tr.LC_even_row td,
3611: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 3612: background-color: $data_table_dark;
1.347 albertel 3613: }
1.425 albertel 3614: table.LC_data_table tr.LC_data_table_highlight td {
3615: background-color: $data_table_darker;
3616: }
1.451 albertel 3617: table.LC_data_table tr.LC_empty_row td,
1.452 albertel 3618: table.LC_whatsnew tr.LC_empty_row td {
1.347 albertel 3619: background-color: #FFFFFF;
1.421 albertel 3620: font-weight: bold;
3621: font-style: italic;
3622: text-align: center;
3623: padding: 8px;
1.347 albertel 3624: }
1.465 albertel 3625: table.LC_whatsnew tr.LC_empty_row td {
3626: padding: 4ex
3627: }
3628:
1.347 albertel 3629:
1.451 albertel 3630: table.LC_whatsnew {
3631: }
3632:
3633: table.LC_whatsnew tr th,
3634: table.LC_whatsnew tr.LC_info_row td {
3635: background-color: #CCC;
3636: font-weight: bold;
3637: font-size: small;
3638: text-align: right;
3639: }
3640: table.LC_whatsnew tr td {
3641: background-color: #FFF;
3642: font-size: small;
3643: text-align: right;
3644: }
3645: table.LC_whatsnew tr td.LC_first_item {
3646: text-align: left;
3647: }
3648:
3649: table.LC_whatsnew tr.LC_odd_row td {
3650: background-color: #EEE;
3651: }
3652:
1.473 raeburn 3653: table.LC_createuser {
3654: }
3655:
3656: table.LC_createuser tr.LC_section_row td {
3657: font-size: smaller;
3658: }
3659:
3660: table.LC_createuser tr.LC_info_row td {
3661: background-color: #CCC;
3662: font-weight: bold;
3663: text-align: center;
3664: }
3665:
1.349 albertel 3666: table.LC_calendar {
3667: border: 1px solid #000000;
3668: border-collapse: collapse;
3669: }
3670: table.LC_calendar_pickdate {
3671: font-size: xx-small;
3672: }
3673: table.LC_calendar tr td {
3674: border: 1px solid #000000;
3675: vertical-align: top;
3676: }
3677: table.LC_calendar tr td.LC_calendar_day_empty {
3678: background-color: $data_table_dark;
3679: }
3680: table.LC_calendar tr td.LC_calendar_day_current {
3681: background-color: $data_table_highlight;
3682: }
3683:
3684: table.LC_mail_list tr.LC_mail_new {
3685: background-color: $mail_new;
3686: }
3687: table.LC_mail_list tr.LC_mail_new:hover {
3688: background-color: $mail_new_hover;
3689: }
3690: table.LC_mail_list tr.LC_mail_read {
3691: background-color: $mail_read;
3692: }
3693: table.LC_mail_list tr.LC_mail_read:hover {
3694: background-color: $mail_read_hover;
3695: }
3696: table.LC_mail_list tr.LC_mail_replied {
3697: background-color: $mail_replied;
3698: }
3699: table.LC_mail_list tr.LC_mail_replied:hover {
3700: background-color: $mail_replied_hover;
3701: }
3702: table.LC_mail_list tr.LC_mail_other {
3703: background-color: $mail_other;
3704: }
3705: table.LC_mail_list tr.LC_mail_other:hover {
3706: background-color: $mail_other_hover;
3707: }
1.385 albertel 3708:
1.386 albertel 3709: table#LC_portfolio_actions {
3710: width: auto;
3711: background: $pgbg;
3712: border: 0px;
3713: border-spacing: 2px 2px;
3714: padding: 0px;
3715: margin: 0px;
3716: border-collapse: separate;
3717: }
3718: table#LC_portfolio_actions td.LC_label {
3719: background: $tabbg;
3720: text-align: right;
3721: }
3722: table#LC_portfolio_actions td.LC_value {
3723: background: $tabbg;
3724: }
1.385 albertel 3725:
1.391 albertel 3726: table#LC_cstr_controls {
3727: width: 100%;
3728: border-collapse: collapse;
3729: }
3730: table#LC_cstr_controls tr td {
3731: border: 4px solid $pgbg;
3732: padding: 4px;
3733: text-align: center;
3734: background: $tabbg;
3735: }
3736: table#LC_cstr_controls tr th {
3737: border: 4px solid $pgbg;
3738: background: $table_header;
3739: text-align: center;
3740: font-family: $sans;
3741: font-size: smaller;
3742: }
3743:
1.389 albertel 3744: table#LC_browser {
3745:
3746: }
3747: table#LC_browser tr th {
1.391 albertel 3748: background: $table_header;
1.389 albertel 3749: }
1.390 albertel 3750: table#LC_browser tr td {
3751: padding: 2px;
3752: }
1.389 albertel 3753: table#LC_browser tr.LC_browser_file,
3754: table#LC_browser tr.LC_browser_file_published {
3755: background: #CCFF88;
3756: }
3757: table#LC_browser tr.LC_browser_file_locked,
3758: table#LC_browser tr.LC_browser_file_unpublished {
3759: background: #FFAA99;
1.387 albertel 3760: }
1.389 albertel 3761: table#LC_browser tr.LC_browser_file_obsolete {
3762: background: #AAAAAA;
1.387 albertel 3763: }
1.455 albertel 3764: table#LC_browser tr.LC_browser_file_modified,
3765: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 3766: background: #FFFF77;
1.387 albertel 3767: }
1.389 albertel 3768: table#LC_browser tr.LC_browser_folder {
3769: background: #CCCCFF;
1.387 albertel 3770: }
1.388 albertel 3771: span.LC_current_location {
3772: font-size: x-large;
3773: background: $pgbg;
3774: }
1.387 albertel 3775:
1.395 albertel 3776: span.LC_parm_menu_item {
3777: font-size: larger;
3778: font-family: $sans;
3779: }
3780: span.LC_parm_scope_all {
3781: color: red;
3782: }
3783: span.LC_parm_scope_folder {
3784: color: green;
3785: }
3786: span.LC_parm_scope_resource {
3787: color: orange;
3788: }
3789: span.LC_parm_part {
3790: color: blue;
3791: }
3792: span.LC_parm_folder, span.LC_parm_symb {
3793: font-size: x-small;
3794: font-family: $mono;
3795: color: #AAAAAA;
3796: }
3797:
1.396 albertel 3798: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
3799: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
3800: border: 1px solid black;
3801: border-collapse: collapse;
3802: }
3803: table.LC_parm_overview_restrictions td {
3804: border-width: 1px 4px 1px 4px;
3805: border-style: solid;
3806: border-color: $pgbg;
3807: text-align: center;
3808: }
3809: table.LC_parm_overview_restrictions th {
3810: background: $tabbg;
3811: border-width: 1px 4px 1px 4px;
3812: border-style: solid;
3813: border-color: $pgbg;
3814: }
1.398 albertel 3815: table#LC_helpmenu {
3816: border: 0px;
3817: height: 55px;
3818: border-spacing: 0px;
3819: }
3820:
3821: table#LC_helpmenu fieldset legend {
3822: font-size: larger;
3823: font-weight: bold;
3824: }
1.397 albertel 3825: table#LC_helpmenu_links {
3826: width: 100%;
3827: border: 1px solid black;
3828: background: $pgbg;
3829: padding: 0px;
3830: border-spacing: 1px;
3831: }
3832: table#LC_helpmenu_links tr td {
3833: padding: 1px;
3834: background: $tabbg;
1.399 albertel 3835: text-align: center;
3836: font-weight: bold;
1.397 albertel 3837: }
1.396 albertel 3838:
1.397 albertel 3839: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
3840: table#LC_helpmenu_links a:active {
3841: text-decoration: none;
3842: color: $font;
3843: }
3844: table#LC_helpmenu_links a:hover {
3845: text-decoration: underline;
3846: color: $vlink;
3847: }
1.396 albertel 3848:
1.417 albertel 3849: .LC_chrt_popup_exists {
3850: border: 1px solid #339933;
3851: margin: -1px;
3852: }
3853: .LC_chrt_popup_up {
3854: border: 1px solid yellow;
3855: margin: -1px;
3856: }
3857: .LC_chrt_popup {
3858: border: 1px solid #8888FF;
3859: background: #CCCCFF;
3860: }
3861:
1.421 albertel 3862: table.LC_pick_box {
3863: width: 100%;
3864: border-collapse: separate;
3865: background: white;
3866: border: 1px solid black;
3867: border-spacing: 1px;
3868: }
3869: table.LC_pick_box td.LC_pick_box_title {
3870: background: $tabbg;
3871: font-weight: bold;
3872: text-align: right;
3873: width: 184px;
3874: padding: 8px;
3875: }
1.424 albertel 3876: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 3877: padding: 0px;
3878: height: 1px;
3879: background: black;
3880: }
3881: table.LC_pick_box td.LC_pick_box_submit {
3882: text-align: right;
3883: }
3884:
1.424 albertel 3885: table.LC_group_priv_box {
3886: background: white;
3887: border: 1px solid black;
3888: border-spacing: 1px;
3889: }
3890: table.LC_group_priv_box td.LC_pick_box_title {
3891: background: $tabbg;
3892: font-weight: bold;
3893: text-align: right;
3894: width: 184px;
3895: }
3896: table.LC_group_priv_box td.LC_groups_fixed {
3897: background: $data_table_light;
3898: text-align: center;
3899: }
3900: table.LC_group_priv_box td.LC_groups_optional {
3901: background: $data_table_dark;
3902: text-align: center;
3903: }
3904: table.LC_group_priv_box td.LC_groups_functionality {
3905: background: $data_table_darker;
3906: text-align: center;
3907: font-weight: bold;
3908: }
3909: table.LC_group_priv td {
3910: text-align: left;
3911: padding: 0px;
3912: }
3913:
1.421 albertel 3914: table.LC_notify_front_page {
3915: background: white;
3916: border: 1px solid black;
3917: padding: 8px;
3918: }
3919: table.LC_notify_front_page td {
3920: padding: 8px;
3921: }
1.424 albertel 3922: .LC_navbuttons {
3923: margin: 2ex 0ex 2ex 0ex;
3924: }
1.423 albertel 3925: .LC_topic_bar {
3926: font-family: $sans;
3927: font-weight: bold;
3928: width: 100%;
3929: background: $tabbg;
3930: vertical-align: middle;
3931: margin: 2ex 0ex 2ex 0ex;
3932: }
3933: .LC_topic_bar span {
3934: vertical-align: middle;
3935: }
3936: .LC_topic_bar img {
3937: vertical-align: bottom;
3938: }
3939: table.LC_course_group_status {
3940: margin: 20px;
3941: }
3942: table.LC_status_selector td {
3943: vertical-align: top;
3944: text-align: center;
1.424 albertel 3945: padding: 4px;
3946: }
3947: table.LC_descriptive_input td.LC_description {
3948: vertical-align: top;
3949: text-align: right;
3950: font-weight: bold;
1.423 albertel 3951: }
1.421 albertel 3952:
1.343 albertel 3953: END
3954: }
3955:
1.306 albertel 3956: =pod
3957:
3958: =over 4
3959:
3960: =item * &headtag()
3961:
3962: Returns a uniform footer for LON-CAPA web pages.
3963:
1.307 albertel 3964: Inputs: $title - optional title for the head
3965: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 3966: $args - optional arguments
1.319 albertel 3967: force_register - if is true call registerurl so the remote is
3968: informed
1.415 albertel 3969: redirect -> array ref of
3970: 1- seconds before redirect occurs
3971: 2- url to redirect to
3972: 3- whether the side effect should occur
1.315 albertel 3973: (side effect of setting
3974: $env{'internal.head.redirect'} to the url
3975: redirected too)
1.352 albertel 3976: domain -> force to color decorate a page for a specific
3977: domain
3978: function -> force usage of a specific rolish color scheme
3979: bgcolor -> override the default page bgcolor
1.460 albertel 3980: no_auto_mt_title
3981: -> prevent &mt()ing the title arg
1.464 albertel 3982:
1.306 albertel 3983: =back
3984:
3985: =cut
3986:
3987: sub headtag {
1.313 albertel 3988: my ($title,$head_extra,$args) = @_;
1.306 albertel 3989:
1.363 albertel 3990: my $function = $args->{'function'} || &get_users_function();
3991: my $domain = $args->{'domain'} || &determinedomain();
3992: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 3993: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 3994: $Apache::lonnet::perlvar{'lonVersion'},
1.418 albertel 3995: #time(),
3996: $env{'environment.color.timestamp'},
1.363 albertel 3997: $function,$domain,$bgcolor);
3998:
1.369 www 3999: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4000:
1.308 albertel 4001: my $result =
4002: '<head>'.
1.461 albertel 4003: &font_settings();
1.319 albertel 4004:
1.461 albertel 4005: if (!$args->{'frameset'}) {
4006: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4007: }
1.319 albertel 4008: if ($args->{'force_register'}) {
4009: $result .= &Apache::lonmenu::registerurl(1);
4010: }
1.436 albertel 4011: if (!$args->{'no_nav_bar'}
4012: && !$args->{'only_body'}
4013: && !$args->{'frameset'}) {
4014: $result .= &help_menu_js();
4015: }
1.319 albertel 4016:
1.314 albertel 4017: if (ref($args->{'redirect'})) {
1.414 albertel 4018: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4019: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4020: if (!$inhibit_continue) {
4021: $env{'internal.head.redirect'} = $url;
4022: }
1.313 albertel 4023: $result.=<<ADDMETA
4024: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4025: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4026: ADDMETA
4027: }
1.306 albertel 4028: if (!defined($title)) {
4029: $title = 'The LearningOnline Network with CAPA';
4030: }
1.460 albertel 4031: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4032: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4033: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4034: .$head_extra;
1.306 albertel 4035: return $result;
4036: }
4037:
4038: =pod
4039:
4040: =over 4
4041:
1.340 albertel 4042: =item * &font_settings()
4043:
4044: Returns neccessary <meta> to set the proper encoding
4045:
4046: Inputs: none
4047:
4048: =back
4049:
4050: =cut
4051:
4052: sub font_settings {
4053: my $headerstring='';
4054: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4055: $headerstring.=
4056: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4057: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4058: $headerstring.=
4059: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4060: }
4061: return $headerstring;
4062: }
4063:
1.341 albertel 4064: =pod
4065:
4066: =over 4
4067:
4068: =item * &xml_begin()
4069:
4070: Returns the needed doctype and <html>
4071:
4072: Inputs: none
4073:
4074: =back
4075:
4076: =cut
4077:
4078: sub xml_begin {
4079: my $output='';
4080:
1.342 albertel 4081: &Apache::lonhtmlcommon::init_htmlareafields();
4082:
1.341 albertel 4083: if ($env{'browser.mathml'}) {
4084: $output='<?xml version="1.0"?>'
4085: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4086: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4087:
4088: # .'<!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">] >'
4089: .'<!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">'
4090: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4091: .'xmlns="http://www.w3.org/1999/xhtml">';
4092: } else {
4093: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4094: }
4095: return $output;
4096: }
1.340 albertel 4097:
4098: =pod
4099:
4100: =over 4
4101:
1.306 albertel 4102: =item * &endheadtag()
4103:
4104: Returns a uniform </head> for LON-CAPA web pages.
4105:
4106: Inputs: none
4107:
4108: =back
4109:
4110: =cut
4111:
4112: sub endheadtag {
4113: return '</head>';
4114: }
4115:
4116: =pod
4117:
4118: =over 4
4119:
4120: =item * &head()
4121:
4122: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4123:
4124: Inputs: $title - optional title for the page
1.307 albertel 4125: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4126:
1.306 albertel 4127: =back
4128:
4129: =cut
4130:
4131: sub head {
1.325 albertel 4132: my ($title,$head_extra,$args) = @_;
4133: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4134: }
4135:
4136: =pod
4137:
4138: =over 4
4139:
4140: =item * &start_page()
4141:
4142: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4143:
4144: Inputs: $title - optional title for the page
4145: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4146: $args - additional optional args supported are:
1.317 albertel 4147: only_body -> is true will set &bodytag() onlybodytag
4148: arg on
4149: no_nav_bar -> is true will set &bodytag() notopbar arg on
4150: add_entries -> additional attributes to add to the <body>
4151: domain -> force to color decorate a page for a
4152: specific domain
4153: function -> force usage of a specific rolish color
4154: scheme
4155: redirect -> see &headtag()
4156: bgcolor -> override the default page bg color
4157: js_ready -> return a string ready for being used in
4158: a javascript writeln
1.320 albertel 4159: html_encode -> return a string ready for being used in
4160: a html attribute
1.317 albertel 4161: force_register -> if is true will turn on the &bodytag()
4162: $forcereg arg
1.326 albertel 4163: body_title -> alternate text to use instead of $title
4164: in the title box that appears, this text
4165: is not auto translated like the $title is
1.330 albertel 4166: frameset -> if true will start with a <frameset>
4167: rather than <body>
1.338 albertel 4168: no_title -> if true the title bar won't be shown
4169: skip_phases -> hash ref of
4170: head -> skip the <html><head> generation
4171: body -> skip all <body> generation
1.337 albertel 4172:
1.361 albertel 4173: no_inline_link -> if true and in remote mode, don't show the
4174: 'Switch To Inline Menu' link
4175:
1.460 albertel 4176: no_auto_mt_title -> prevent &mt()ing the title arg
4177:
1.306 albertel 4178: =back
4179:
4180: =cut
4181:
4182: sub start_page {
1.309 albertel 4183: my ($title,$head_extra,$args) = @_;
1.318 albertel 4184: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4185: my %head_args;
1.352 albertel 4186: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4187: 'bgcolor','frameset','no_nav_bar','only_body',
4188: 'no_auto_mt_title') {
1.319 albertel 4189: if (defined($args->{$arg})) {
1.324 raeburn 4190: $head_args{$arg} = $args->{$arg};
1.319 albertel 4191: }
1.313 albertel 4192: }
1.319 albertel 4193:
1.315 albertel 4194: $env{'internal.start_page'}++;
1.338 albertel 4195: my $result;
4196: if (! exists($args->{'skip_phases'}{'head'}) ) {
4197: $result.=
1.341 albertel 4198: &xml_begin().
1.338 albertel 4199: &headtag($title,$head_extra,\%head_args).&endheadtag();
4200: }
4201:
4202: if (! exists($args->{'skip_phases'}{'body'}) ) {
4203: if ($args->{'frameset'}) {
4204: my $attr_string = &make_attr_string($args->{'force_register'},
4205: $args->{'add_entries'});
4206: $result .= "\n<frameset $attr_string>\n";
4207: } else {
4208: $result .=
4209: &bodytag($title,
4210: $args->{'function'}, $args->{'add_entries'},
4211: $args->{'only_body'}, $args->{'domain'},
4212: $args->{'force_register'}, $args->{'body_title'},
4213: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4214: $args->{'no_title'}, $args->{'no_inline_link'},
4215: $args);
1.338 albertel 4216: }
1.330 albertel 4217: }
1.338 albertel 4218:
1.315 albertel 4219: if ($args->{'js_ready'}) {
1.317 albertel 4220: $result = &js_ready($result);
1.315 albertel 4221: }
1.320 albertel 4222: if ($args->{'html_encode'}) {
4223: $result = &html_encode($result);
4224: }
1.315 albertel 4225: return $result;
1.306 albertel 4226: }
4227:
1.330 albertel 4228:
1.306 albertel 4229: =pod
4230:
4231: =over 4
4232:
4233: =item * &head()
4234:
4235: Returns a complete </body></html> section for LON-CAPA web pages.
4236:
1.315 albertel 4237: Inputs: $args - additional optional args supported are:
4238: js_ready -> return a string ready for being used in
4239: a javascript writeln
1.320 albertel 4240: html_encode -> return a string ready for being used in
4241: a html attribute
1.330 albertel 4242: frameset -> if true will start with a <frameset>
4243: rather than <body>
1.306 albertel 4244:
4245: =cut
4246:
4247: sub end_page {
1.315 albertel 4248: my ($args) = @_;
4249: $env{'internal.end_page'}++;
1.330 albertel 4250: my $result;
1.335 albertel 4251: if ($args->{'discussion'}) {
4252: my ($target,$parser);
4253: if (ref($args->{'discussion'})) {
4254: ($target,$parser) =($args->{'discussion'}{'target'},
4255: $args->{'discussion'}{'parser'});
4256: }
4257: $result .= &Apache::lonxml::xmlend($target,$parser);
4258: }
4259:
1.330 albertel 4260: if ($args->{'frameset'}) {
4261: $result .= '</frameset>';
4262: } else {
4263: $result .= &endbodytag();
4264: }
4265: $result .= "\n</html>";
4266:
1.315 albertel 4267: if ($args->{'js_ready'}) {
1.317 albertel 4268: $result = &js_ready($result);
1.315 albertel 4269: }
1.335 albertel 4270:
1.320 albertel 4271: if ($args->{'html_encode'}) {
4272: $result = &html_encode($result);
4273: }
1.335 albertel 4274:
1.315 albertel 4275: return $result;
4276: }
4277:
1.320 albertel 4278: sub html_encode {
4279: my ($result) = @_;
4280:
1.322 albertel 4281: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4282:
4283: return $result;
4284: }
1.317 albertel 4285: sub js_ready {
4286: my ($result) = @_;
4287:
1.323 albertel 4288: $result =~ s/[\n\r]/ /xmsg;
4289: $result =~ s/\\/\\\\/xmsg;
4290: $result =~ s/'/\\'/xmsg;
1.372 albertel 4291: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4292:
4293: return $result;
4294: }
4295:
1.315 albertel 4296: sub validate_page {
4297: if ( exists($env{'internal.start_page'})
1.316 albertel 4298: && $env{'internal.start_page'} > 1) {
4299: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4300: $env{'internal.start_page'}.' '.
1.316 albertel 4301: $ENV{'request.filename'});
1.315 albertel 4302: }
4303: if ( exists($env{'internal.end_page'})
1.316 albertel 4304: && $env{'internal.end_page'} > 1) {
4305: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4306: $env{'internal.end_page'}.' '.
1.316 albertel 4307: $env{'request.filename'});
1.315 albertel 4308: }
4309: if ( exists($env{'internal.start_page'})
4310: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4311: &Apache::lonnet::logthis('start_page called without end_page '.
4312: $env{'request.filename'});
1.315 albertel 4313: }
4314: if ( ! exists($env{'internal.start_page'})
4315: && exists($env{'internal.end_page'})) {
1.316 albertel 4316: &Apache::lonnet::logthis('end_page called without start_page'.
4317: $env{'request.filename'});
1.315 albertel 4318: }
1.306 albertel 4319: }
1.315 albertel 4320:
1.318 albertel 4321: sub simple_error_page {
4322: my ($r,$title,$msg) = @_;
4323: my $page =
4324: &Apache::loncommon::start_page($title).
4325: &mt($msg).
4326: &Apache::loncommon::end_page();
4327: if (ref($r)) {
4328: $r->print($page);
1.327 albertel 4329: return;
1.318 albertel 4330: }
4331: return $page;
4332: }
1.347 albertel 4333:
4334: {
4335: my $row_count;
4336: sub start_data_table {
1.422 albertel 4337: my ($add_class) = @_;
4338: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4339: undef($row_count);
1.422 albertel 4340: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4341: }
4342:
4343: sub end_data_table {
4344: undef($row_count);
1.389 albertel 4345: return '</table>'."\n";;
1.347 albertel 4346: }
4347:
4348: sub start_data_table_row {
1.422 albertel 4349: my ($add_class) = @_;
1.347 albertel 4350: $row_count++;
1.422 albertel 4351: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4352: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4353: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4354: }
1.471 banghart 4355:
4356: sub continue_data_table_row {
4357: my ($add_class) = @_;
4358: my $css_class = ($row_count % 2)?'':'LC_even_row';
4359: $css_class = (join(' ',$css_class,$add_class));
4360: return '<tr class="'.$css_class.'">'."\n";;
4361: }
1.347 albertel 4362:
4363: sub end_data_table_row {
1.389 albertel 4364: return '</tr>'."\n";;
1.347 albertel 4365: }
1.367 www 4366:
1.421 albertel 4367: sub start_data_table_empty_row {
4368: $row_count++;
4369: return '<tr class="LC_empty_row" >'."\n";;
4370: }
4371:
4372: sub end_data_table_empty_row {
4373: return '</tr>'."\n";;
4374: }
4375:
1.367 www 4376: sub start_data_table_header_row {
1.389 albertel 4377: return '<tr class="LC_header_row">'."\n";;
1.367 www 4378: }
4379:
4380: sub end_data_table_header_row {
1.389 albertel 4381: return '</tr>'."\n";;
1.367 www 4382: }
1.347 albertel 4383: }
4384:
1.251 albertel 4385: ###############################################
1.182 matthew 4386:
4387: =pod
4388:
1.405 albertel 4389: =item * &get_users_function()
1.182 matthew 4390:
4391: Used by &bodytag to determine the current users primary role.
4392: Returns either 'student','coordinator','admin', or 'author'.
4393:
4394: =cut
4395:
4396: ###############################################
4397: sub get_users_function {
4398: my $function = 'student';
1.258 albertel 4399: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4400: $function='coordinator';
4401: }
1.258 albertel 4402: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4403: $function='admin';
4404: }
1.258 albertel 4405: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4406: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4407: $function='author';
4408: }
4409: return $function;
1.54 www 4410: }
1.99 www 4411:
4412: ###############################################
4413:
1.233 raeburn 4414: =pod
4415:
1.405 albertel 4416: =item * &check_user_status
1.274 raeburn 4417:
4418: Determines current status of supplied role for a
4419: specific user. Roles can be active, previous or future.
4420:
4421: Inputs:
4422: user's domain, user's username, course's domain,
1.375 raeburn 4423: course's number, optional section ID.
1.274 raeburn 4424:
4425: Outputs:
4426: role status: active, previous or future.
4427:
4428: =cut
4429:
4430: sub check_user_status {
1.412 raeburn 4431: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 4432: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
4433: my @uroles = keys %userinfo;
4434: my $srchstr;
4435: my $active_chk = 'none';
1.412 raeburn 4436: my $now = time;
1.274 raeburn 4437: if (@uroles > 0) {
1.412 raeburn 4438: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 4439: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
4440: } else {
1.412 raeburn 4441: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
4442: }
4443: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 4444: my $role_end = 0;
4445: my $role_start = 0;
4446: $active_chk = 'active';
1.412 raeburn 4447: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
4448: $role_end = $1;
4449: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
4450: $role_start = $1;
1.274 raeburn 4451: }
4452: }
4453: if ($role_start > 0) {
1.412 raeburn 4454: if ($now < $role_start) {
1.274 raeburn 4455: $active_chk = 'future';
4456: }
4457: }
4458: if ($role_end > 0) {
1.412 raeburn 4459: if ($now > $role_end) {
1.274 raeburn 4460: $active_chk = 'previous';
4461: }
4462: }
4463: }
4464: }
4465: return $active_chk;
4466: }
4467:
4468: ###############################################
4469:
4470: =pod
4471:
1.405 albertel 4472: =item * &get_sections()
1.233 raeburn 4473:
4474: Determines all the sections for a course including
4475: sections with students and sections containing other roles.
1.419 raeburn 4476: Incoming parameters:
4477:
4478: 1. domain
4479: 2. course number
4480: 3. reference to array containing roles for which sections should
4481: be gathered (optional).
4482: 4. reference to array containing status types for which sections
4483: should be gathered (optional).
4484:
4485: If the third argument is undefined, sections are gathered for any role.
4486: If the fourth argument is undefined, sections are gathered for any status.
4487: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 4488:
1.374 raeburn 4489: Returns section hash (keys are section IDs, values are
4490: number of users in each section), subject to the
1.419 raeburn 4491: optional roles filter, optional status filter
1.233 raeburn 4492:
4493: =cut
4494:
4495: ###############################################
4496: sub get_sections {
1.419 raeburn 4497: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 4498: if (!defined($cdom) || !defined($cnum)) {
4499: my $cid = $env{'request.course.id'};
4500:
4501: return if (!defined($cid));
4502:
4503: $cdom = $env{'course.'.$cid.'.domain'};
4504: $cnum = $env{'course.'.$cid.'.num'};
4505: }
4506:
4507: my %sectioncount;
1.419 raeburn 4508: my $now = time;
1.240 albertel 4509:
1.366 albertel 4510: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 4511: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 4512: my $sec_index = &Apache::loncoursedata::CL_SECTION();
4513: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 4514: my $start_index = &Apache::loncoursedata::CL_START();
4515: my $end_index = &Apache::loncoursedata::CL_END();
4516: my $status;
1.366 albertel 4517: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 4518: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
4519: $data->[$status_index],
4520: $data->[$start_index],
4521: $data->[$end_index]);
4522: if ($stu_status eq 'Active') {
4523: $status = 'active';
4524: } elsif ($end < $now) {
4525: $status = 'previous';
4526: } elsif ($start > $now) {
4527: $status = 'future';
4528: }
4529: if ($section ne '-1' && $section !~ /^\s*$/) {
4530: if ((!defined($possible_status)) || (($status ne '') &&
4531: (grep/^\Q$status\E$/,@{$possible_status}))) {
4532: $sectioncount{$section}++;
4533: }
1.240 albertel 4534: }
4535: }
4536: }
4537: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4538: foreach my $user (sort(keys(%courseroles))) {
4539: if ($user !~ /^(\w{2})/) { next; }
4540: my ($role) = ($user =~ /^(\w{2})/);
4541: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 4542: my ($section,$status);
1.240 albertel 4543: if ($role eq 'cr' &&
4544: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
4545: $section=$1;
4546: }
4547: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
4548: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 4549: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
4550: if ($end == -1 && $start == -1) {
4551: next; #deleted role
4552: }
4553: if (!defined($possible_status)) {
4554: $sectioncount{$section}++;
4555: } else {
4556: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
4557: $status = 'active';
4558: } elsif ($end < $now) {
4559: $status = 'future';
4560: } elsif ($start > $now) {
4561: $status = 'previous';
4562: }
4563: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
4564: $sectioncount{$section}++;
4565: }
4566: }
1.233 raeburn 4567: }
1.366 albertel 4568: return %sectioncount;
1.233 raeburn 4569: }
4570:
1.274 raeburn 4571: ###############################################
1.294 raeburn 4572:
4573: =pod
1.405 albertel 4574:
4575: =item * &get_course_users()
4576:
1.275 raeburn 4577: Retrieves usernames:domains for users in the specified course
4578: with specific role(s), and access status.
4579:
4580: Incoming parameters:
1.277 albertel 4581: 1. course domain
4582: 2. course number
4583: 3. access status: users must have - either active,
1.275 raeburn 4584: previous, future, or all.
1.277 albertel 4585: 4. reference to array of permissible roles
1.288 raeburn 4586: 5. reference to array of section restrictions (optional)
4587: 6. reference to results object (hash of hashes).
4588: 7. reference to optional userdata hash
1.275 raeburn 4589: Keys of top level hash are roles.
4590: Keys of inner hashes are username:domain, with
4591: values set to access type.
1.288 raeburn 4592: Optional userdata hash returns an array with arguments in the
4593: same order as loncoursedata::get_classlist() for student data.
4594:
4595: Entries for end, start, section and status are blank because
4596: of the possibility of multiple values for non-student roles.
4597:
1.275 raeburn 4598: =cut
1.405 albertel 4599:
1.275 raeburn 4600: ###############################################
1.405 albertel 4601:
1.275 raeburn 4602: sub get_course_users {
1.288 raeburn 4603: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
4604: my %idx = ();
1.419 raeburn 4605: my %seclists;
1.288 raeburn 4606:
4607: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
4608: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
4609: $idx{end} = &Apache::loncoursedata::CL_END();
4610: $idx{start} = &Apache::loncoursedata::CL_START();
4611: $idx{id} = &Apache::loncoursedata::CL_ID();
4612: $idx{section} = &Apache::loncoursedata::CL_SECTION();
4613: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
4614: $idx{status} = &Apache::loncoursedata::CL_STATUS();
4615:
1.290 albertel 4616: if (grep(/^st$/,@{$roles})) {
1.276 albertel 4617: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 4618: my $now = time;
1.277 albertel 4619: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 4620: my $match = 0;
1.412 raeburn 4621: my $secmatch = 0;
1.419 raeburn 4622: my $section = $$classlist{$student}[$idx{section}];
4623: if ($section eq '') {
4624: $section = 'none';
4625: }
1.291 albertel 4626: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4627: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4628: $secmatch = 1;
4629: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 4630: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4631: $secmatch = 1;
4632: }
4633: } else {
1.419 raeburn 4634: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 4635: $secmatch = 1;
4636: }
1.290 albertel 4637: }
1.412 raeburn 4638: if (!$secmatch) {
4639: next;
4640: }
1.419 raeburn 4641: }
1.420 albertel 4642: push(@{$seclists{$student}},$section);
1.275 raeburn 4643: if (defined($$types{'active'})) {
1.288 raeburn 4644: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 4645: push(@{$$users{st}{$student}},'active');
1.288 raeburn 4646: $match = 1;
1.275 raeburn 4647: }
4648: }
4649: if (defined($$types{'previous'})) {
1.288 raeburn 4650: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 4651: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 4652: $match = 1;
1.275 raeburn 4653: }
4654: }
4655: if (defined($$types{'future'})) {
1.288 raeburn 4656: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 4657: push(@{$$users{st}{$student}},'future');
1.288 raeburn 4658: $match = 1;
1.275 raeburn 4659: }
4660: }
1.412 raeburn 4661: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 4662: $$userdata{$student} = $$classlist{$student};
4663: }
1.275 raeburn 4664: }
4665: }
1.412 raeburn 4666: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 4667: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4668: my $now = time;
4669: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 4670: my $match = 0;
1.412 raeburn 4671: my $secmatch = 0;
1.439 raeburn 4672: my $status;
1.412 raeburn 4673: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 4674: $user =~ s/:$//;
1.439 raeburn 4675: my ($end,$start) = split(/:/,$coursepersonnel{$person});
4676: if ($end == -1 || $start == -1) {
4677: next;
4678: }
4679: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
4680: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 4681: my ($uname,$udom) = split(/:/,$user);
4682: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4683: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4684: $secmatch = 1;
4685: } elsif ($usec eq '') {
1.420 albertel 4686: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4687: $secmatch = 1;
4688: }
4689: } else {
4690: if (grep(/^\Q$usec\E$/,@{$sections})) {
4691: $secmatch = 1;
4692: }
4693: }
4694: if (!$secmatch) {
4695: next;
4696: }
1.288 raeburn 4697: }
1.419 raeburn 4698: if ($usec eq '') {
4699: $usec = 'none';
4700: }
1.275 raeburn 4701: if ($uname ne '' && $udom ne '') {
1.439 raeburn 4702: if ($end < $now) {
4703: $status = 'previous';
4704: } elsif ($start > $now) {
4705: $status = 'future';
4706: } else {
4707: $status = 'active';
4708: }
1.277 albertel 4709: foreach my $type (keys(%{$types})) {
1.275 raeburn 4710: if ($status eq $type) {
1.420 albertel 4711: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 4712: push(@{$$users{$role}{$user}},$type);
4713: }
1.288 raeburn 4714: $match = 1;
4715: }
4716: }
1.419 raeburn 4717: if (($match) && (ref($userdata) eq 'HASH')) {
4718: if (!exists($$userdata{$uname.':'.$udom})) {
4719: &get_user_info($udom,$uname,\%idx,$userdata);
4720: }
1.420 albertel 4721: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 4722: push(@{$seclists{$uname.':'.$udom}},$usec);
4723: }
1.275 raeburn 4724: }
4725: }
4726: }
4727: }
1.290 albertel 4728: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 4729: if ((defined($cdom)) && (defined($cnum))) {
4730: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
4731: if ( defined($csettings{'internal.courseowner'}) ) {
4732: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 4733: if ($owner !~ /^[^:]+:[^:]+$/) {
4734: $owner = $owner.':'.$cdom;
4735: }
4736: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 4737: if (defined($userdata) &&
4738: !exists($$userdata{$owner.':'.$cdom})) {
4739: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 4740: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 4741: push(@{$seclists{$owner.':'.$cdom}},'none');
4742: }
1.290 albertel 4743: }
1.279 raeburn 4744: }
4745: }
4746: }
1.419 raeburn 4747: foreach my $user (keys(%seclists)) {
4748: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
4749: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
4750: }
1.275 raeburn 4751: }
4752: return;
4753: }
4754:
1.288 raeburn 4755: sub get_user_info {
4756: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 4757: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
4758: &plainname($uname,$udom,'lastname');
1.291 albertel 4759: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 4760: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 4761: return;
4762: }
1.275 raeburn 4763:
1.472 raeburn 4764: ###############################################
4765:
4766: =pod
4767:
4768: =item * &get_user_quota()
4769:
4770: Retrieves quota assigned for storage of portfolio files for a user
4771:
4772: Incoming parameters:
4773: 1. user's username
4774: 2. user's domain
4775:
4776: Returns:
4777: 1. Disk quota (in Mb) assigned to student.
4778:
4779: If a value has been stored in the user's environment,
4780: it will return that, otherwise it returns the default
4781: for users in the domain.
4782:
4783: =cut
4784:
4785: ###############################################
4786:
4787:
4788: sub get_user_quota {
4789: my ($uname,$udom) = @_;
4790: my $quota;
4791: if (!defined($udom)) {
4792: $udom = $env{'user.domain'};
4793: }
4794: if (!defined($uname)) {
4795: $uname = $env{'user.name'};
4796: }
4797: if (($udom eq '' || $uname eq '') ||
4798: ($udom eq 'public') && ($uname eq 'public')) {
4799: $quota = 0;
4800: } else {
4801: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
4802: $quota = $env{'environment.portfolioquota'};
4803: } else {
4804: my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
4805: my ($tmp) = keys(%userenv);
4806: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
4807: $quota = $userenv{'portfolioquota'};
4808: } else {
4809: undef(%userenv);
4810: }
4811: }
4812: if ($quota eq '') {
4813: $quota = &default_quota($udom);
4814: }
4815: }
4816: return $quota;
4817: }
4818:
4819: ###############################################
4820:
4821: =pod
4822:
4823: =item * &default_quota()
4824:
4825: Retrieves default quota assigned for storage of user portfolio files
4826:
4827: Incoming parameters:
4828: 1. domain
4829:
4830: Returns:
4831: 1. Default disk quota (in Mb) for user portfolios in the domain.
4832:
4833: If a value has been stored in the domain's configuration db,
4834: it will return that, otherwise it returns 20 (for backwards
4835: compatibility with domains which have not set up a configuration
4836: db file; the original statically defined portfolio quota was 20 Mb).
4837:
4838: =cut
4839:
4840: ###############################################
4841:
4842:
4843: sub default_quota {
4844: my ($udom) = @_;
4845: my %defaults = &Apache::lonnet::get_dom('configuration',
4846: ['portfolioquota'],$udom);
4847: if ($defaults{'portfolioquota'} ne '') {
4848: return $defaults{'portfolioquota'};
4849: } else {
4850: return '20';
4851: }
4852: }
4853:
1.384 raeburn 4854: sub get_secgrprole_info {
4855: my ($cdom,$cnum,$needroles,$type) = @_;
4856: my %sections_count = &get_sections($cdom,$cnum);
4857: my @sections = (sort {$a <=> $b} keys(%sections_count));
4858: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
4859: my @groups = sort(keys(%curr_groups));
4860: my $allroles = [];
4861: my $rolehash;
4862: my $accesshash = {
4863: active => 'Currently has access',
4864: future => 'Will have future access',
4865: previous => 'Previously had access',
4866: };
4867: if ($needroles) {
4868: $rolehash = {'all' => 'all'};
1.385 albertel 4869: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4870: if (&Apache::lonnet::error(%user_roles)) {
4871: undef(%user_roles);
4872: }
4873: foreach my $item (keys(%user_roles)) {
1.384 raeburn 4874: my ($role)=split(/\:/,$item,2);
4875: if ($role eq 'cr') { next; }
4876: if ($role =~ /^cr/) {
4877: $$rolehash{$role} = (split('/',$role))[3];
4878: } else {
4879: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
4880: }
4881: }
4882: foreach my $key (sort(keys(%{$rolehash}))) {
4883: push(@{$allroles},$key);
4884: }
4885: push (@{$allroles},'st');
4886: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
4887: }
4888: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
4889: }
4890:
1.112 bowersj2 4891: =pod
4892:
4893: =item * get_unprocessed_cgi($query,$possible_names)
4894:
1.258 albertel 4895: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 4896: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 4897: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 4898:
4899: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
4900: $possible_names is an ref to an array of form element names. As an example:
4901: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 4902: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 4903:
4904: =cut
1.1 albertel 4905:
1.6 albertel 4906: sub get_unprocessed_cgi {
1.25 albertel 4907: my ($query,$possible_names)= @_;
1.26 matthew 4908: # $Apache::lonxml::debug=1;
1.356 albertel 4909: foreach my $pair (split(/&/,$query)) {
4910: my ($name, $value) = split(/=/,$pair);
1.369 www 4911: $name = &unescape($name);
1.25 albertel 4912: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
4913: $value =~ tr/+/ /;
4914: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 4915: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 4916: }
1.16 harris41 4917: }
1.6 albertel 4918: }
4919:
1.112 bowersj2 4920: =pod
4921:
4922: =item * cacheheader()
4923:
4924: returns cache-controlling header code
4925:
4926: =cut
4927:
1.7 albertel 4928: sub cacheheader {
1.258 albertel 4929: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 4930: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
4931: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 4932: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
4933: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 4934: return $output;
1.7 albertel 4935: }
4936:
1.112 bowersj2 4937: =pod
4938:
4939: =item * no_cache($r)
4940:
4941: specifies header code to not have cache
4942:
4943: =cut
4944:
1.9 albertel 4945: sub no_cache {
1.216 albertel 4946: my ($r) = @_;
4947: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 4948: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 4949: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
4950: $r->no_cache(1);
4951: $r->header_out("Expires" => $date);
4952: $r->header_out("Pragma" => "no-cache");
1.123 www 4953: }
4954:
4955: sub content_type {
1.181 albertel 4956: my ($r,$type,$charset) = @_;
1.299 foxr 4957: if ($r) {
4958: # Note that printout.pl calls this with undef for $r.
4959: &no_cache($r);
4960: }
1.258 albertel 4961: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 4962: unless ($charset) {
4963: $charset=&Apache::lonlocal::current_encoding;
4964: }
4965: if ($charset) { $type.='; charset='.$charset; }
4966: if ($r) {
4967: $r->content_type($type);
4968: } else {
4969: print("Content-type: $type\n\n");
4970: }
1.9 albertel 4971: }
1.25 albertel 4972:
1.112 bowersj2 4973: =pod
4974:
4975: =item * add_to_env($name,$value)
4976:
1.258 albertel 4977: adds $name to the %env hash with value
1.112 bowersj2 4978: $value, if $name already exists, the entry is converted to an array
4979: reference and $value is added to the array.
4980:
4981: =cut
4982:
1.25 albertel 4983: sub add_to_env {
4984: my ($name,$value)=@_;
1.258 albertel 4985: if (defined($env{$name})) {
4986: if (ref($env{$name})) {
1.25 albertel 4987: #already have multiple values
1.258 albertel 4988: push(@{ $env{$name} },$value);
1.25 albertel 4989: } else {
4990: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 4991: my $first=$env{$name};
4992: undef($env{$name});
4993: push(@{ $env{$name} },$first,$value);
1.25 albertel 4994: }
4995: } else {
1.258 albertel 4996: $env{$name}=$value;
1.25 albertel 4997: }
1.31 albertel 4998: }
1.149 albertel 4999:
5000: =pod
5001:
5002: =item * get_env_multiple($name)
5003:
1.258 albertel 5004: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5005: values may be defined and end up as an array ref.
5006:
5007: returns an array of values
5008:
5009: =cut
5010:
5011: sub get_env_multiple {
5012: my ($name) = @_;
5013: my @values;
1.258 albertel 5014: if (defined($env{$name})) {
1.149 albertel 5015: # exists is it an array
1.258 albertel 5016: if (ref($env{$name})) {
5017: @values=@{ $env{$name} };
1.149 albertel 5018: } else {
1.258 albertel 5019: $values[0]=$env{$name};
1.149 albertel 5020: }
5021: }
5022: return(@values);
5023: }
5024:
1.31 albertel 5025:
1.41 ng 5026: =pod
1.45 matthew 5027:
1.464 albertel 5028: =back
1.41 ng 5029:
1.112 bowersj2 5030: =head1 CSV Upload/Handling functions
1.38 albertel 5031:
1.41 ng 5032: =over 4
5033:
1.112 bowersj2 5034: =item * upfile_store($r)
1.41 ng 5035:
5036: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5037: needs $env{'form.upfile'}
1.41 ng 5038: returns $datatoken to be put into hidden field
5039:
5040: =cut
1.31 albertel 5041:
5042: sub upfile_store {
5043: my $r=shift;
1.258 albertel 5044: $env{'form.upfile'}=~s/\r/\n/gs;
5045: $env{'form.upfile'}=~s/\f/\n/gs;
5046: $env{'form.upfile'}=~s/\n+/\n/gs;
5047: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5048:
1.258 albertel 5049: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5050: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5051: {
1.158 raeburn 5052: my $datafile = $r->dir_config('lonDaemons').
5053: '/tmp/'.$datatoken.'.tmp';
5054: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5055: print $fh $env{'form.upfile'};
1.158 raeburn 5056: close($fh);
5057: }
1.31 albertel 5058: }
5059: return $datatoken;
5060: }
5061:
1.56 matthew 5062: =pod
5063:
1.112 bowersj2 5064: =item * load_tmp_file($r)
1.41 ng 5065:
5066: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5067: needs $env{'form.datatoken'},
5068: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5069:
5070: =cut
1.31 albertel 5071:
5072: sub load_tmp_file {
5073: my $r=shift;
5074: my @studentdata=();
5075: {
1.158 raeburn 5076: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5077: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5078: if ( open(my $fh,"<$studentfile") ) {
5079: @studentdata=<$fh>;
5080: close($fh);
5081: }
1.31 albertel 5082: }
1.258 albertel 5083: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5084: }
5085:
1.56 matthew 5086: =pod
5087:
1.112 bowersj2 5088: =item * upfile_record_sep()
1.41 ng 5089:
5090: Separate uploaded file into records
5091: returns array of records,
1.258 albertel 5092: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5093:
5094: =cut
1.31 albertel 5095:
5096: sub upfile_record_sep {
1.258 albertel 5097: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5098: } else {
1.248 albertel 5099: my @records;
1.258 albertel 5100: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5101: if ($line=~/^\s*$/) { next; }
5102: push(@records,$line);
5103: }
5104: return @records;
1.31 albertel 5105: }
5106: }
5107:
1.56 matthew 5108: =pod
5109:
1.112 bowersj2 5110: =item * record_sep($record)
1.41 ng 5111:
1.258 albertel 5112: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5113:
5114: =cut
5115:
1.263 www 5116: sub takeleft {
5117: my $index=shift;
5118: return substr('0000'.$index,-4,4);
5119: }
5120:
1.31 albertel 5121: sub record_sep {
5122: my $record=shift;
5123: my %components=();
1.258 albertel 5124: if ($env{'form.upfiletype'} eq 'xml') {
5125: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5126: my $i=0;
1.356 albertel 5127: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5128: $field=~s/^(\"|\')//;
5129: $field=~s/(\"|\')$//;
1.263 www 5130: $components{&takeleft($i)}=$field;
1.31 albertel 5131: $i++;
5132: }
1.258 albertel 5133: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5134: my $i=0;
1.356 albertel 5135: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5136: $field=~s/^(\"|\')//;
5137: $field=~s/(\"|\')$//;
1.263 www 5138: $components{&takeleft($i)}=$field;
1.31 albertel 5139: $i++;
5140: }
5141: } else {
5142: my @allfields=split(/\,/,$record);
5143: my $i=0;
5144: my $j;
5145: for ($j=0;$j<=$#allfields;$j++) {
5146: my $field=$allfields[$j];
5147: if ($field=~/^\s*(\"|\')/) {
5148: my $delimiter=$1;
5149: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
5150: $j++;
5151: $field.=','.$allfields[$j];
5152: }
5153: $field=~s/^\s*$delimiter//;
5154: $field=~s/$delimiter\s*$//;
5155: }
1.263 www 5156: $components{&takeleft($i)}=$field;
1.31 albertel 5157: $i++;
5158: }
5159: }
5160: return %components;
5161: }
5162:
1.144 matthew 5163: ######################################################
5164: ######################################################
5165:
1.56 matthew 5166: =pod
5167:
1.112 bowersj2 5168: =item * upfile_select_html()
1.41 ng 5169:
1.144 matthew 5170: Return HTML code to select a file from the users machine and specify
5171: the file type.
1.41 ng 5172:
5173: =cut
5174:
1.144 matthew 5175: ######################################################
5176: ######################################################
1.31 albertel 5177: sub upfile_select_html {
1.144 matthew 5178: my %Types = (
5179: csv => &mt('CSV (comma separated values, spreadsheet)'),
5180: space => &mt('Space separated'),
5181: tab => &mt('Tabulator separated'),
5182: # xml => &mt('HTML/XML'),
5183: );
5184: my $Str = '<input type="file" name="upfile" size="50" />'.
5185: '<br />Type: <select name="upfiletype">';
5186: foreach my $type (sort(keys(%Types))) {
5187: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
5188: }
5189: $Str .= "</select>\n";
5190: return $Str;
1.31 albertel 5191: }
5192:
1.301 albertel 5193: sub get_samples {
5194: my ($records,$toget) = @_;
5195: my @samples=({});
5196: my $got=0;
5197: foreach my $rec (@$records) {
5198: my %temp = &record_sep($rec);
5199: if (! grep(/\S/, values(%temp))) { next; }
5200: if (%temp) {
5201: $samples[$got]=\%temp;
5202: $got++;
5203: if ($got == $toget) { last; }
5204: }
5205: }
5206: return \@samples;
5207: }
5208:
1.144 matthew 5209: ######################################################
5210: ######################################################
5211:
1.56 matthew 5212: =pod
5213:
1.112 bowersj2 5214: =item * csv_print_samples($r,$records)
1.41 ng 5215:
5216: Prints a table of sample values from each column uploaded $r is an
5217: Apache Request ref, $records is an arrayref from
5218: &Apache::loncommon::upfile_record_sep
5219:
5220: =cut
5221:
1.144 matthew 5222: ######################################################
5223: ######################################################
1.31 albertel 5224: sub csv_print_samples {
5225: my ($r,$records) = @_;
1.301 albertel 5226: my $samples = &get_samples($records,3);
5227:
1.144 matthew 5228: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 5229: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5230: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 5231: $r->print('</tr>');
1.301 albertel 5232: foreach my $hash (@$samples) {
1.31 albertel 5233: $r->print('<tr>');
1.356 albertel 5234: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 5235: $r->print('<td>');
1.356 albertel 5236: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 5237: $r->print('</td>');
5238: }
5239: $r->print('</tr>');
5240: }
5241: $r->print('</tr></table><br />'."\n");
5242: }
5243:
1.144 matthew 5244: ######################################################
5245: ######################################################
5246:
1.56 matthew 5247: =pod
5248:
1.112 bowersj2 5249: =item * csv_print_select_table($r,$records,$d)
1.41 ng 5250:
5251: Prints a table to create associations between values and table columns.
1.144 matthew 5252:
1.41 ng 5253: $r is an Apache Request ref,
5254: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 5255: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 5256:
5257: =cut
5258:
1.144 matthew 5259: ######################################################
5260: ######################################################
1.31 albertel 5261: sub csv_print_select_table {
5262: my ($r,$records,$d) = @_;
1.301 albertel 5263: my $i=0;
5264: my $samples = &get_samples($records,1);
1.144 matthew 5265: $r->print(&mt('Associate columns with student attributes.')."\n".
5266: '<table border="2"><tr>'.
5267: '<th>'.&mt('Attribute').'</th>'.
5268: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 5269: foreach my $array_ref (@$d) {
5270: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 5271: $r->print('<tr><td>'.$display.'</td>');
5272:
5273: $r->print('<td><select name=f'.$i.
1.32 matthew 5274: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 5275: $r->print('<option value="none"></option>');
1.356 albertel 5276: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5277: $r->print('<option value="'.$sample.'"'.
5278: ($sample eq $defaultcol ? ' selected="selected" ' : '').
5279: '>Column '.($sample+1).'</option>');
1.31 albertel 5280: }
5281: $r->print('</select></td></tr>'."\n");
5282: $i++;
5283: }
5284: $i--;
5285: return $i;
5286: }
1.56 matthew 5287:
1.144 matthew 5288: ######################################################
5289: ######################################################
5290:
1.56 matthew 5291: =pod
1.31 albertel 5292:
1.112 bowersj2 5293: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 5294:
5295: Prints a table of sample values from the upload and can make associate samples to internal names.
5296:
5297: $r is an Apache Request ref,
5298: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
5299: $d is an array of 2 element arrays (internal name, displayed name)
5300:
5301: =cut
5302:
1.144 matthew 5303: ######################################################
5304: ######################################################
1.31 albertel 5305: sub csv_samples_select_table {
5306: my ($r,$records,$d) = @_;
5307: my $i=0;
1.144 matthew 5308: #
1.301 albertel 5309: my $samples = &get_samples($records,3);
1.144 matthew 5310: $r->print('<table border=2><tr><th>'.
5311: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 5312:
5313: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 5314: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 5315: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 5316: foreach my $option (@$d) {
5317: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 5318: $r->print('<option value="'.$value.'"'.
1.253 albertel 5319: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 5320: $display.'</option>');
1.31 albertel 5321: }
5322: $r->print('</select></td><td>');
1.301 albertel 5323: foreach my $line (0..2) {
5324: if (defined($samples->[$line]{$key})) {
5325: $r->print($samples->[$line]{$key}."<br />\n");
5326: }
5327: }
1.31 albertel 5328: $r->print('</td></tr>');
5329: $i++;
5330: }
5331: $i--;
5332: return($i);
1.115 matthew 5333: }
5334:
1.144 matthew 5335: ######################################################
5336: ######################################################
5337:
1.115 matthew 5338: =pod
5339:
5340: =item clean_excel_name($name)
5341:
5342: Returns a replacement for $name which does not contain any illegal characters.
5343:
5344: =cut
5345:
1.144 matthew 5346: ######################################################
5347: ######################################################
1.115 matthew 5348: sub clean_excel_name {
5349: my ($name) = @_;
5350: $name =~ s/[:\*\?\/\\]//g;
5351: if (length($name) > 31) {
5352: $name = substr($name,0,31);
5353: }
5354: return $name;
1.25 albertel 5355: }
1.84 albertel 5356:
1.85 albertel 5357: =pod
5358:
1.112 bowersj2 5359: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 5360:
5361: Returns either 1 or undef
5362:
5363: 1 if the part is to be hidden, undef if it is to be shown
5364:
5365: Arguments are:
5366:
5367: $id the id of the part to be checked
5368: $symb, optional the symb of the resource to check
5369: $udom, optional the domain of the user to check for
5370: $uname, optional the username of the user to check for
5371:
5372: =cut
1.84 albertel 5373:
5374: sub check_if_partid_hidden {
5375: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 5376: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 5377: $symb,$udom,$uname);
1.141 albertel 5378: my $truth=1;
5379: #if the string starts with !, then the list is the list to show not hide
5380: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 5381: my @hiddenlist=split(/,/,$hiddenparts);
5382: foreach my $checkid (@hiddenlist) {
1.141 albertel 5383: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 5384: }
1.141 albertel 5385: return !$truth;
1.84 albertel 5386: }
1.127 matthew 5387:
1.138 matthew 5388:
5389: ############################################################
5390: ############################################################
5391:
5392: =pod
5393:
1.157 matthew 5394: =back
5395:
1.138 matthew 5396: =head1 cgi-bin script and graphing routines
5397:
1.157 matthew 5398: =over 4
5399:
1.138 matthew 5400: =item get_cgi_id
5401:
5402: Inputs: none
5403:
5404: Returns an id which can be used to pass environment variables
5405: to various cgi-bin scripts. These environment variables will
5406: be removed from the users environment after a given time by
5407: the routine &Apache::lonnet::transfer_profile_to_env.
5408:
5409: =cut
5410:
5411: ############################################################
5412: ############################################################
1.152 albertel 5413: my $uniq=0;
1.136 matthew 5414: sub get_cgi_id {
1.154 albertel 5415: $uniq=($uniq+1)%100000;
1.280 albertel 5416: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 5417: }
5418:
1.127 matthew 5419: ############################################################
5420: ############################################################
5421:
5422: =pod
5423:
1.134 matthew 5424: =item DrawBarGraph
1.127 matthew 5425:
1.138 matthew 5426: Facilitates the plotting of data in a (stacked) bar graph.
5427: Puts plot definition data into the users environment in order for
5428: graph.png to plot it. Returns an <img> tag for the plot.
5429: The bars on the plot are labeled '1','2',...,'n'.
5430:
5431: Inputs:
5432:
5433: =over 4
5434:
5435: =item $Title: string, the title of the plot
5436:
5437: =item $xlabel: string, text describing the X-axis of the plot
5438:
5439: =item $ylabel: string, text describing the Y-axis of the plot
5440:
5441: =item $Max: scalar, the maximum Y value to use in the plot
5442: If $Max is < any data point, the graph will not be rendered.
5443:
1.140 matthew 5444: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 5445: they are plotted. If undefined, default values will be used.
5446:
1.178 matthew 5447: =item $labels: array ref holding the labels to use on the x-axis for the bars.
5448:
1.138 matthew 5449: =item @Values: An array of array references. Each array reference holds data
5450: to be plotted in a stacked bar chart.
5451:
1.239 matthew 5452: =item If the final element of @Values is a hash reference the key/value
5453: pairs will be added to the graph definition.
5454:
1.138 matthew 5455: =back
5456:
5457: Returns:
5458:
5459: An <img> tag which references graph.png and the appropriate identifying
5460: information for the plot.
5461:
1.127 matthew 5462: =cut
5463:
5464: ############################################################
5465: ############################################################
1.134 matthew 5466: sub DrawBarGraph {
1.178 matthew 5467: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 5468: #
5469: if (! defined($colors)) {
5470: $colors = ['#33ff00',
5471: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
5472: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
5473: ];
5474: }
1.228 matthew 5475: my $extra_settings = {};
5476: if (ref($Values[-1]) eq 'HASH') {
5477: $extra_settings = pop(@Values);
5478: }
1.127 matthew 5479: #
1.136 matthew 5480: my $identifier = &get_cgi_id();
5481: my $id = 'cgi.'.$identifier;
1.129 matthew 5482: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 5483: return '';
5484: }
1.225 matthew 5485: #
5486: my @Labels;
5487: if (defined($labels)) {
5488: @Labels = @$labels;
5489: } else {
5490: for (my $i=0;$i<@{$Values[0]};$i++) {
5491: push (@Labels,$i+1);
5492: }
5493: }
5494: #
1.129 matthew 5495: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 5496: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 5497: my %ValuesHash;
5498: my $NumSets=1;
5499: foreach my $array (@Values) {
5500: next if (! ref($array));
1.136 matthew 5501: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 5502: join(',',@$array);
1.129 matthew 5503: }
1.127 matthew 5504: #
1.136 matthew 5505: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 5506: if ($NumBars < 3) {
5507: $width = 120+$NumBars*32;
1.220 matthew 5508: $xskip = 1;
1.225 matthew 5509: $bar_width = 30;
5510: } elsif ($NumBars < 5) {
5511: $width = 120+$NumBars*20;
5512: $xskip = 1;
5513: $bar_width = 20;
1.220 matthew 5514: } elsif ($NumBars < 10) {
1.136 matthew 5515: $width = 120+$NumBars*15;
5516: $xskip = 1;
5517: $bar_width = 15;
5518: } elsif ($NumBars <= 25) {
5519: $width = 120+$NumBars*11;
5520: $xskip = 5;
5521: $bar_width = 8;
5522: } elsif ($NumBars <= 50) {
5523: $width = 120+$NumBars*8;
5524: $xskip = 5;
5525: $bar_width = 4;
5526: } else {
5527: $width = 120+$NumBars*8;
5528: $xskip = 5;
5529: $bar_width = 4;
5530: }
5531: #
1.137 matthew 5532: $Max = 1 if ($Max < 1);
5533: if ( int($Max) < $Max ) {
5534: $Max++;
5535: $Max = int($Max);
5536: }
1.127 matthew 5537: $Title = '' if (! defined($Title));
5538: $xlabel = '' if (! defined($xlabel));
5539: $ylabel = '' if (! defined($ylabel));
1.369 www 5540: $ValuesHash{$id.'.title'} = &escape($Title);
5541: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
5542: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 5543: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 5544: $ValuesHash{$id.'.NumBars'} = $NumBars;
5545: $ValuesHash{$id.'.NumSets'} = $NumSets;
5546: $ValuesHash{$id.'.PlotType'} = 'bar';
5547: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5548: $ValuesHash{$id.'.height'} = $height;
5549: $ValuesHash{$id.'.width'} = $width;
5550: $ValuesHash{$id.'.xskip'} = $xskip;
5551: $ValuesHash{$id.'.bar_width'} = $bar_width;
5552: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 5553: #
1.228 matthew 5554: # Deal with other parameters
5555: while (my ($key,$value) = each(%$extra_settings)) {
5556: $ValuesHash{$id.'.'.$key} = $value;
5557: }
5558: #
1.137 matthew 5559: &Apache::lonnet::appenv(%ValuesHash);
5560: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5561: }
5562:
5563: ############################################################
5564: ############################################################
5565:
5566: =pod
5567:
5568: =item DrawXYGraph
5569:
1.138 matthew 5570: Facilitates the plotting of data in an XY graph.
5571: Puts plot definition data into the users environment in order for
5572: graph.png to plot it. Returns an <img> tag for the plot.
5573:
5574: Inputs:
5575:
5576: =over 4
5577:
5578: =item $Title: string, the title of the plot
5579:
5580: =item $xlabel: string, text describing the X-axis of the plot
5581:
5582: =item $ylabel: string, text describing the Y-axis of the plot
5583:
5584: =item $Max: scalar, the maximum Y value to use in the plot
5585: If $Max is < any data point, the graph will not be rendered.
5586:
5587: =item $colors: Array ref containing the hex color codes for the data to be
5588: plotted in. If undefined, default values will be used.
5589:
5590: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5591:
5592: =item $Ydata: Array ref containing Array refs.
1.185 www 5593: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 5594:
5595: =item %Values: hash indicating or overriding any default values which are
5596: passed to graph.png.
5597: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5598:
5599: =back
5600:
5601: Returns:
5602:
5603: An <img> tag which references graph.png and the appropriate identifying
5604: information for the plot.
5605:
1.137 matthew 5606: =cut
5607:
5608: ############################################################
5609: ############################################################
5610: sub DrawXYGraph {
5611: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
5612: #
5613: # Create the identifier for the graph
5614: my $identifier = &get_cgi_id();
5615: my $id = 'cgi.'.$identifier;
5616: #
5617: $Title = '' if (! defined($Title));
5618: $xlabel = '' if (! defined($xlabel));
5619: $ylabel = '' if (! defined($ylabel));
5620: my %ValuesHash =
5621: (
1.369 www 5622: $id.'.title' => &escape($Title),
5623: $id.'.xlabel' => &escape($xlabel),
5624: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 5625: $id.'.y_max_value'=> $Max,
5626: $id.'.labels' => join(',',@$Xlabels),
5627: $id.'.PlotType' => 'XY',
5628: );
5629: #
5630: if (defined($colors) && ref($colors) eq 'ARRAY') {
5631: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5632: }
5633: #
5634: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
5635: return '';
5636: }
5637: my $NumSets=1;
1.138 matthew 5638: foreach my $array (@{$Ydata}){
1.137 matthew 5639: next if (! ref($array));
5640: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
5641: }
1.138 matthew 5642: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 5643: #
5644: # Deal with other parameters
5645: while (my ($key,$value) = each(%Values)) {
5646: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 5647: }
5648: #
1.136 matthew 5649: &Apache::lonnet::appenv(%ValuesHash);
5650: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5651: }
5652:
5653: ############################################################
5654: ############################################################
5655:
5656: =pod
5657:
1.138 matthew 5658: =item DrawXYYGraph
5659:
5660: Facilitates the plotting of data in an XY graph with two Y axes.
5661: Puts plot definition data into the users environment in order for
5662: graph.png to plot it. Returns an <img> tag for the plot.
5663:
5664: Inputs:
5665:
5666: =over 4
5667:
5668: =item $Title: string, the title of the plot
5669:
5670: =item $xlabel: string, text describing the X-axis of the plot
5671:
5672: =item $ylabel: string, text describing the Y-axis of the plot
5673:
5674: =item $colors: Array ref containing the hex color codes for the data to be
5675: plotted in. If undefined, default values will be used.
5676:
5677: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5678:
5679: =item $Ydata1: The first data set
5680:
5681: =item $Min1: The minimum value of the left Y-axis
5682:
5683: =item $Max1: The maximum value of the left Y-axis
5684:
5685: =item $Ydata2: The second data set
5686:
5687: =item $Min2: The minimum value of the right Y-axis
5688:
5689: =item $Max2: The maximum value of the left Y-axis
5690:
5691: =item %Values: hash indicating or overriding any default values which are
5692: passed to graph.png.
5693: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5694:
5695: =back
5696:
5697: Returns:
5698:
5699: An <img> tag which references graph.png and the appropriate identifying
5700: information for the plot.
1.136 matthew 5701:
5702: =cut
5703:
5704: ############################################################
5705: ############################################################
1.137 matthew 5706: sub DrawXYYGraph {
5707: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
5708: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 5709: #
5710: # Create the identifier for the graph
5711: my $identifier = &get_cgi_id();
5712: my $id = 'cgi.'.$identifier;
5713: #
5714: $Title = '' if (! defined($Title));
5715: $xlabel = '' if (! defined($xlabel));
5716: $ylabel = '' if (! defined($ylabel));
5717: my %ValuesHash =
5718: (
1.369 www 5719: $id.'.title' => &escape($Title),
5720: $id.'.xlabel' => &escape($xlabel),
5721: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 5722: $id.'.labels' => join(',',@$Xlabels),
5723: $id.'.PlotType' => 'XY',
5724: $id.'.NumSets' => 2,
1.137 matthew 5725: $id.'.two_axes' => 1,
5726: $id.'.y1_max_value' => $Max1,
5727: $id.'.y1_min_value' => $Min1,
5728: $id.'.y2_max_value' => $Max2,
5729: $id.'.y2_min_value' => $Min2,
1.136 matthew 5730: );
5731: #
1.137 matthew 5732: if (defined($colors) && ref($colors) eq 'ARRAY') {
5733: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5734: }
5735: #
5736: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
5737: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 5738: return '';
5739: }
5740: my $NumSets=1;
1.137 matthew 5741: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 5742: next if (! ref($array));
5743: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 5744: }
5745: #
5746: # Deal with other parameters
5747: while (my ($key,$value) = each(%Values)) {
5748: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 5749: }
5750: #
5751: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 5752: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 5753: }
5754:
5755: ############################################################
5756: ############################################################
5757:
5758: =pod
5759:
1.157 matthew 5760: =back
5761:
1.139 matthew 5762: =head1 Statistics helper routines?
5763:
5764: Bad place for them but what the hell.
5765:
1.157 matthew 5766: =over 4
5767:
1.139 matthew 5768: =item &chartlink
5769:
5770: Returns a link to the chart for a specific student.
5771:
5772: Inputs:
5773:
5774: =over 4
5775:
5776: =item $linktext: The text of the link
5777:
5778: =item $sname: The students username
5779:
5780: =item $sdomain: The students domain
5781:
5782: =back
5783:
1.157 matthew 5784: =back
5785:
1.139 matthew 5786: =cut
5787:
5788: ############################################################
5789: ############################################################
5790: sub chartlink {
5791: my ($linktext, $sname, $sdomain) = @_;
5792: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 5793: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 5794: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 5795: '">'.$linktext.'</a>';
1.153 matthew 5796: }
5797:
5798: #######################################################
5799: #######################################################
5800:
5801: =pod
5802:
5803: =head1 Course Environment Routines
1.157 matthew 5804:
5805: =over 4
1.153 matthew 5806:
5807: =item &restore_course_settings
5808:
5809: =item &store_course_settings
5810:
5811: Restores/Store indicated form parameters from the course environment.
5812: Will not overwrite existing values of the form parameters.
5813:
5814: Inputs:
5815: a scalar describing the data (e.g. 'chart', 'problem_analysis')
5816:
5817: a hash ref describing the data to be stored. For example:
5818:
5819: %Save_Parameters = ('Status' => 'scalar',
5820: 'chartoutputmode' => 'scalar',
5821: 'chartoutputdata' => 'scalar',
5822: 'Section' => 'array',
1.373 raeburn 5823: 'Group' => 'array',
1.153 matthew 5824: 'StudentData' => 'array',
5825: 'Maps' => 'array');
5826:
5827: Returns: both routines return nothing
5828:
5829: =cut
5830:
5831: #######################################################
5832: #######################################################
5833: sub store_course_settings {
5834: # save to the environment
5835: # appenv the same items, just to be safe
1.258 albertel 5836: my $courseid = $env{'request.course.id'};
1.300 albertel 5837: my $udom = $env{'user.domain'};
5838: my $uname = $env{'user.name'};
1.153 matthew 5839: my ($prefix,$Settings) = @_;
5840: my %SaveHash;
5841: my %AppHash;
5842: while (my ($setting,$type) = each(%$Settings)) {
1.300 albertel 5843: my $basename = join('.','internal',$courseid,$prefix,$setting);
5844: my $envname = 'environment.'.$basename;
1.258 albertel 5845: if (exists($env{'form.'.$setting})) {
1.153 matthew 5846: # Save this value away
5847: if ($type eq 'scalar' &&
1.258 albertel 5848: (! exists($env{$envname}) ||
5849: $env{$envname} ne $env{'form.'.$setting})) {
5850: $SaveHash{$basename} = $env{'form.'.$setting};
5851: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 5852: } elsif ($type eq 'array') {
5853: my $stored_form;
1.258 albertel 5854: if (ref($env{'form.'.$setting})) {
1.153 matthew 5855: $stored_form = join(',',
5856: map {
1.369 www 5857: &escape($_);
1.258 albertel 5858: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 5859: } else {
5860: $stored_form =
1.369 www 5861: &escape($env{'form.'.$setting});
1.153 matthew 5862: }
5863: # Determine if the array contents are the same.
1.258 albertel 5864: if ($stored_form ne $env{$envname}) {
1.153 matthew 5865: $SaveHash{$basename} = $stored_form;
5866: $AppHash{$envname} = $stored_form;
5867: }
5868: }
5869: }
5870: }
5871: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 5872: $udom,$uname);
1.153 matthew 5873: if ($put_result !~ /^(ok|delayed)/) {
5874: &Apache::lonnet::logthis('unable to save form parameters, '.
5875: 'got error:'.$put_result);
5876: }
5877: # Make sure these settings stick around in this session, too
5878: &Apache::lonnet::appenv(%AppHash);
5879: return;
5880: }
5881:
5882: sub restore_course_settings {
1.258 albertel 5883: my $courseid = $env{'request.course.id'};
1.153 matthew 5884: my ($prefix,$Settings) = @_;
5885: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 5886: next if (exists($env{'form.'.$setting}));
1.300 albertel 5887: my $envname = 'environment.internal.'.$courseid.'.'.$prefix.
1.153 matthew 5888: '.'.$setting;
1.258 albertel 5889: if (exists($env{$envname})) {
1.153 matthew 5890: if ($type eq 'scalar') {
1.258 albertel 5891: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 5892: } elsif ($type eq 'array') {
1.258 albertel 5893: $env{'form.'.$setting} = [
1.153 matthew 5894: map {
1.369 www 5895: &unescape($_);
1.258 albertel 5896: } split(',',$env{$envname})
1.153 matthew 5897: ];
5898: }
5899: }
5900: }
1.127 matthew 5901: }
5902:
5903: ############################################################
5904: ############################################################
1.154 albertel 5905:
1.443 albertel 5906: sub commit_customrole {
5907: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
5908: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
5909: ($start?', '.&mt('starting').' '.localtime($start):'').
5910: ($end?', ending '.localtime($end):'').': <b>'.
5911: &Apache::lonnet::assigncustomrole(
5912: $udom,$uname,$url,$three,$four,$five,$end,$start).
5913: '</b><br />';
5914: return $output;
5915: }
5916:
5917: sub commit_standardrole {
5918: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
5919: my $output;
5920: my $logmsg;
5921: if ($three eq 'st') {
5922: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
5923: if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
5924: $output = "Error: $result\n";
5925: } else {
5926: $output = &mt('Assigning').' '.$three.' in '.$url.
5927: ($start?', '.&mt('starting').' '.localtime($start):'').
5928: ($end?', '.&mt('ending').' '.localtime($end):'').
5929: ': <b>'.$result.'</b><br />'.
5930: &mt('Add to classlist').': <b>ok</b><br />';
5931: }
5932: } else {
5933: $output = &mt('Assigning').' '.$three.' in '.$url.
5934: ($start?', '.&mt('starting').' '.localtime($start):'').
5935: ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
5936: &Apache::lonnet::assignrole(
5937: $udom,$uname,$url,$three,$end,$start).
5938: '</b><br />';
5939: }
5940: return $output;
5941: }
5942:
5943: sub commit_studentrole {
5944: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
5945: my $linefeed = '<br />'."\n";
5946: my $result;
5947: if (defined($one) && defined($two)) {
5948: my $cid=$one.'_'.$two;
5949: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
5950: my $secchange = 0;
5951: my $expire_role_result;
5952: my $modify_section_result;
5953: unless ($oldsec eq '-1') {
5954: unless ($sec eq $oldsec) {
5955: $secchange = 1;
5956: my $uurl='/'.$cid;
5957: $uurl=~s/\_/\//g;
5958: if ($oldsec) {
5959: $uurl.='/'.$oldsec;
5960: }
5961: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
5962: $result = $expire_role_result;
5963: }
5964: }
5965: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
5966: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
5967: if ($modify_section_result =~ /^ok/) {
5968: if ($secchange == 1) {
5969: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
5970: } elsif ($oldsec eq '-1') {
5971: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
5972: } else {
5973: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
5974: }
5975: } else {
5976: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
5977: }
5978: $result = $modify_section_result;
5979: } elsif ($secchange == 1) {
5980: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
5981: }
5982: } else {
5983: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
5984: $result = "error: incomplete course id\n";
5985: }
5986: return $result;
5987: }
5988:
5989: ############################################################
5990: ############################################################
5991:
1.444 albertel 5992: sub construct_course {
5993: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
5994: my $outcome;
5995:
5996: #
5997: # Open course
5998: #
5999: my $crstype = lc($args->{'crstype'});
6000: my %cenv=();
6001: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6002: $args->{'cdescr'},
6003: $args->{'curl'},
6004: $args->{'course_home'},
6005: $args->{'nonstandard'},
6006: $args->{'crscode'},
6007: $args->{'ccuname'}.':'.
6008: $args->{'ccdomain'},
6009: $args->{'crstype'});
6010:
6011: # Note: The testing routines depend on this being output; see
6012: # Utils::Course. This needs to at least be output as a comment
6013: # if anyone ever decides to not show this, and Utils::Course::new
6014: # will need to be suitably modified.
6015: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
6016: #
6017: # Check if created correctly
6018: #
6019: ($$crsudom,$$crsunum)=($$courseid=~/^\/(\w+)\/(\w+)$/);
6020: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
6021: $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
6022: #
6023: # Are we cloning?
6024: #
6025: my $cloneid='';
6026: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
6027: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
6028: my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
6029: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6030: if ($clonehome eq 'no_host') {
6031: $outcome .=
6032: '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
6033: } else {
6034: $outcome .=
6035: '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
6036: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6037: # Copy all files
6038: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6039: # Restore URL
6040: $cenv{'url'}=$oldcenv{'url'};
6041: # Restore title
6042: $cenv{'description'}=$oldcenv{'description'};
6043: # restore grading mode
6044: if (defined($oldcenv{'grading'})) {
6045: $cenv{'grading'}=$oldcenv{'grading'};
6046: }
6047: # Mark as cloned
6048: $cenv{'clonedfrom'}=$cloneid;
6049: delete($cenv{'default_enrollment_start_date'});
6050: delete($cenv{'default_enrollment_end_date'});
6051: }
6052: }
6053: #
6054: # Set environment (will override cloned, if existing)
6055: #
6056: my @sections = ();
6057: my @xlists = ();
6058: if ($args->{'crstype'}) {
6059: $cenv{'type'}=$args->{'crstype'};
6060: }
6061: if ($args->{'crsid'}) {
6062: $cenv{'courseid'}=$args->{'crsid'};
6063: }
6064: if ($args->{'crscode'}) {
6065: $cenv{'internal.coursecode'}=$args->{'crscode'};
6066: }
6067: if ($args->{'crsquota'} ne '') {
6068: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6069: } else {
6070: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6071: }
6072: if ($args->{'ccuname'}) {
6073: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
6074: ':'.$args->{'ccdomain'};
6075: } else {
6076: $cenv{'internal.courseowner'} = $args->{'curruser'};
6077: }
6078:
6079: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
6080: if ($args->{'crssections'}) {
6081: $cenv{'internal.sectionnums'} = '';
6082: if ($args->{'crssections'} =~ m/,/) {
6083: @sections = split/,/,$args->{'crssections'};
6084: } else {
6085: $sections[0] = $args->{'crssections'};
6086: }
6087: if (@sections > 0) {
6088: foreach my $item (@sections) {
6089: my ($sec,$gp) = split/:/,$item;
6090: my $class = $args->{'crscode'}.$sec;
6091: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
6092: $cenv{'internal.sectionnums'} .= $item.',';
6093: unless ($addcheck eq 'ok') {
6094: push @badclasses, $class;
6095: }
6096: }
6097: $cenv{'internal.sectionnums'} =~ s/,$//;
6098: }
6099: }
6100: # do not hide course coordinator from staff listing,
6101: # even if privileged
6102: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6103: # add crosslistings
6104: if ($args->{'crsxlist'}) {
6105: $cenv{'internal.crosslistings'}='';
6106: if ($args->{'crsxlist'} =~ m/,/) {
6107: @xlists = split/,/,$args->{'crsxlist'};
6108: } else {
6109: $xlists[0] = $args->{'crsxlist'};
6110: }
6111: if (@xlists > 0) {
6112: foreach my $item (@xlists) {
6113: my ($xl,$gp) = split/:/,$item;
6114: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
6115: $cenv{'internal.crosslistings'} .= $item.',';
6116: unless ($addcheck eq 'ok') {
6117: push @badclasses, $xl;
6118: }
6119: }
6120: $cenv{'internal.crosslistings'} =~ s/,$//;
6121: }
6122: }
6123: if ($args->{'autoadds'}) {
6124: $cenv{'internal.autoadds'}=$args->{'autoadds'};
6125: }
6126: if ($args->{'autodrops'}) {
6127: $cenv{'internal.autodrops'}=$args->{'autodrops'};
6128: }
6129: # check for notification of enrollment changes
6130: my @notified = ();
6131: if ($args->{'notify_owner'}) {
6132: if ($args->{'ccuname'} ne '') {
6133: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
6134: }
6135: }
6136: if ($args->{'notify_dc'}) {
6137: if ($uname ne '') {
6138: push(@notified,$uname.'@'.$udom);
6139: }
6140: }
6141: if (@notified > 0) {
6142: my $notifylist;
6143: if (@notified > 1) {
6144: $notifylist = join(',',@notified);
6145: } else {
6146: $notifylist = $notified[0];
6147: }
6148: $cenv{'internal.notifylist'} = $notifylist;
6149: }
6150: if (@badclasses > 0) {
6151: my %lt=&Apache::lonlocal::texthash(
6152: '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',
6153: 'dnhr' => 'does not have rights to access enrollment in these classes',
6154: 'adby' => 'as determined by the policies of your institution on access to official classlists'
6155: );
6156: $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
6157: foreach (@badclasses) {
6158: $outcome .= "<li>$_</li>\n";
6159: }
6160: $outcome .= "</ul><br /><br /></font>\n";
6161: }
6162: if ($args->{'no_end_date'}) {
6163: $args->{'endaccess'} = 0;
6164: }
6165: $cenv{'internal.autostart'}=$args->{'enrollstart'};
6166: $cenv{'internal.autoend'}=$args->{'enrollend'};
6167: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
6168: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
6169: if ($args->{'showphotos'}) {
6170: $cenv{'internal.showphotos'}=$args->{'showphotos'};
6171: }
6172: $cenv{'internal.authtype'} = $args->{'authtype'};
6173: $cenv{'internal.autharg'} = $args->{'autharg'};
6174: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
6175: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
6176: $outcome .= '<font color="red" size="+1">'.
6177: &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>';
6178: }
6179: }
6180: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
6181: if ($args->{'setpolicy'}) {
6182: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6183: }
6184: if ($args->{'setcontent'}) {
6185: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6186: }
6187: }
6188: if ($args->{'reshome'}) {
6189: $cenv{'reshome'}=$args->{'reshome'}.'/';
6190: $cenv{'reshome'}=~s/\/+$/\//;
6191: }
6192: #
6193: # course has keyed access
6194: #
6195: if ($args->{'setkeys'}) {
6196: $cenv{'keyaccess'}='yes';
6197: }
6198: # if specified, key authority is not course, but user
6199: # only active if keyaccess is yes
6200: if ($args->{'keyauth'}) {
6201: $args->{'keyauth'}=~s/[^\w\@]//g;
6202: if ($args->{'keyauth'}) {
6203: $cenv{'keyauth'}=$args->{'keyauth'};
6204: }
6205: }
6206:
6207: if ($args->{'disresdis'}) {
6208: $cenv{'pch.roles.denied'}='st';
6209: }
6210: if ($args->{'disablechat'}) {
6211: $cenv{'plc.roles.denied'}='st';
6212: }
6213:
6214: # Record we've not yet viewed the Course Initialization Helper for this
6215: # course
6216: $cenv{'course.helper.not.run'} = 1;
6217: #
6218: # Use new Randomseed
6219: #
6220: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
6221: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
6222: #
6223: # The encryption code and receipt prefix for this course
6224: #
6225: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
6226: $cenv{'internal.encpref'}=100+int(9*rand(99));
6227: #
6228: # By default, use standard grading
6229: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
6230:
6231: $outcome .= ('<br />'.&mt('Setting environment').': '.
6232: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
6233: #
6234: # Open all assignments
6235: #
6236: if ($args->{'openall'}) {
6237: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
6238: my %storecontent = ($storeunder => time,
6239: $storeunder.'.type' => 'date_start');
6240:
6241: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
6242: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
6243: }
6244: #
6245: # Set first page
6246: #
6247: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
6248: || ($cloneid)) {
1.445 albertel 6249: use LONCAPA::map;
1.444 albertel 6250: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 6251:
6252: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
6253: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
6254:
1.444 albertel 6255: $outcome .= ($fatal?$errtext:'read ok').' - ';
6256: my $title; my $url;
6257: if ($args->{'firstres'} eq 'syl') {
6258: $title='Syllabus';
6259: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
6260: } else {
6261: $title='Navigate Contents';
6262: $url='/adm/navmaps';
6263: }
1.445 albertel 6264:
6265: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
6266: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
6267:
6268: if ($errtext) { $fatal=2; }
6269: $outcome .= ($fatal?$errtext:'write ok').'<br />';
1.444 albertel 6270: }
6271: return $outcome;
6272: }
6273:
6274: ############################################################
6275: ############################################################
6276:
1.378 raeburn 6277: sub course_type {
6278: my ($cid) = @_;
6279: if (!defined($cid)) {
6280: $cid = $env{'request.course.id'};
6281: }
1.404 albertel 6282: if (defined($env{'course.'.$cid.'.type'})) {
6283: return $env{'course.'.$cid.'.type'};
1.378 raeburn 6284: } else {
6285: return 'Course';
1.377 raeburn 6286: }
6287: }
1.156 albertel 6288:
1.406 raeburn 6289: sub group_term {
6290: my $crstype = &course_type();
6291: my %names = (
6292: 'Course' => 'group',
6293: 'Group' => 'team',
6294: );
6295: return $names{$crstype};
6296: }
6297:
1.156 albertel 6298: sub icon {
6299: my ($file)=@_;
1.168 albertel 6300: my $curfext = (split(/\./,$file))[-1];
6301: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 6302: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 6303: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
6304: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
6305: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6306: $curfext.".gif") {
6307: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6308: $curfext.".gif";
6309: }
6310: }
1.249 albertel 6311: return &lonhttpdurl($iconname);
1.154 albertel 6312: }
1.84 albertel 6313:
1.215 albertel 6314: sub lonhttpdurl {
6315: my ($url)=@_;
6316: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
6317: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
6318: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
6319: }
6320:
1.213 albertel 6321: sub connection_aborted {
6322: my ($r)=@_;
6323: $r->print(" ");$r->rflush();
6324: my $c = $r->connection;
6325: return $c->aborted();
6326: }
6327:
1.221 foxr 6328: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 6329: # strings as 'strings'.
6330: sub escape_single {
1.221 foxr 6331: my ($input) = @_;
1.223 albertel 6332: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 6333: $input =~ s/\'/\\\'/g; # Esacpe the 's....
6334: return $input;
6335: }
1.223 albertel 6336:
1.222 foxr 6337: # Same as escape_single, but escape's "'s This
6338: # can be used for "strings"
6339: sub escape_double {
6340: my ($input) = @_;
6341: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
6342: $input =~ s/\"/\\\"/g; # Esacpe the "s....
6343: return $input;
6344: }
1.223 albertel 6345:
1.222 foxr 6346: # Escapes the last element of a full URL.
6347: sub escape_url {
6348: my ($url) = @_;
1.238 raeburn 6349: my @urlslices = split(/\//, $url,-1);
1.369 www 6350: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 6351: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 6352: }
1.462 albertel 6353:
6354: # -------------------------------------------------------- Initliaze user login
6355: sub init_user_environment {
1.463 albertel 6356: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 6357: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
6358:
6359: my $public=($username eq 'public' && $domain eq 'public');
6360:
6361: # See if old ID present, if so, remove
6362:
6363: my ($filename,$cookie,$userroles);
6364: my $now=time;
6365:
6366: if ($public) {
6367: my $max_public=100;
6368: my $oldest;
6369: my $oldest_time=0;
6370: for(my $next=1;$next<=$max_public;$next++) {
6371: if (-e $lonids."/publicuser_$next.id") {
6372: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
6373: if ($mtime<$oldest_time || !$oldest_time) {
6374: $oldest_time=$mtime;
6375: $oldest=$next;
6376: }
6377: } else {
6378: $cookie="publicuser_$next";
6379: last;
6380: }
6381: }
6382: if (!$cookie) { $cookie="publicuser_$oldest"; }
6383: } else {
1.463 albertel 6384: # if this isn't a robot, kill any existing non-robot sessions
6385: if (!$args->{'robot'}) {
6386: opendir(DIR,$lonids);
6387: while ($filename=readdir(DIR)) {
6388: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
6389: unlink($lonids.'/'.$filename);
6390: }
1.462 albertel 6391: }
1.463 albertel 6392: closedir(DIR);
1.462 albertel 6393: }
6394: # Give them a new cookie
1.463 albertel 6395: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
6396: : $now);
6397: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 6398:
6399: # Initialize roles
6400:
6401: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
6402: }
6403: # ------------------------------------ Check browser type and MathML capability
6404:
6405: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
6406: $clientunicode,$clientos) = &decode_user_agent($r);
6407:
6408: # -------------------------------------- Any accessibility options to remember?
6409: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
6410: foreach my $option ('imagesuppress','appletsuppress',
6411: 'embedsuppress','fontenhance','blackwhite') {
6412: if ($form->{$option} eq 'true') {
6413: &Apache::lonnet::put('environment',{$option => 'on'},
6414: $domain,$username);
6415: } else {
6416: &Apache::lonnet::del('environment',[$option],
6417: $domain,$username);
6418: }
6419: }
6420: }
6421: # ------------------------------------------------------------- Get environment
6422:
6423: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
6424: my ($tmp) = keys(%userenv);
6425: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6426: # default remote control to off
6427: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
6428: } else {
6429: undef(%userenv);
6430: }
6431: if (($userenv{'interface'}) && (!$form->{'interface'})) {
6432: $form->{'interface'}=$userenv{'interface'};
6433: }
6434: $env{'environment.remote'}=$userenv{'remote'};
6435: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
6436:
6437: # --------------- Do not trust query string to be put directly into environment
6438: foreach my $option ('imagesuppress','appletsuppress',
6439: 'embedsuppress','fontenhance','blackwhite',
6440: 'interface','localpath','localres') {
6441: $form->{$option}=~s/[\n\r\=]//gs;
6442: }
6443: # --------------------------------------------------------- Write first profile
6444:
6445: {
6446: my %initial_env =
6447: ("user.name" => $username,
6448: "user.domain" => $domain,
6449: "user.home" => $authhost,
6450: "browser.type" => $clientbrowser,
6451: "browser.version" => $clientversion,
6452: "browser.mathml" => $clientmathml,
6453: "browser.unicode" => $clientunicode,
6454: "browser.os" => $clientos,
6455: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
6456: "request.course.fn" => '',
6457: "request.course.uri" => '',
6458: "request.course.sec" => '',
6459: "request.role" => 'cm',
6460: "request.role.adv" => $env{'user.adv'},
6461: "request.host" => $ENV{'REMOTE_ADDR'},);
6462:
6463: if ($form->{'localpath'}) {
6464: $initial_env{"browser.localpath"} = $form->{'localpath'};
6465: $initial_env{"browser.localres"} = $form->{'localres'};
6466: }
6467:
6468: if ($public) {
6469: $initial_env{"environment.remote"} = "off";
6470: }
6471: if ($form->{'interface'}) {
6472: $form->{'interface'}=~s/\W//gs;
6473: $initial_env{"browser.interface"} = $form->{'interface'};
6474: $env{'browser.interface'}=$form->{'interface'};
6475: foreach my $option ('imagesuppress','appletsuppress',
6476: 'embedsuppress','fontenhance','blackwhite') {
6477: if (($form->{$option} eq 'true') ||
6478: ($userenv{$option} eq 'on')) {
6479: $initial_env{"browser.$option"} = "on";
6480: }
6481: }
6482: }
6483:
6484: $env{'user.environment'} = "$lonids/$cookie.id";
6485:
6486: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
6487: &GDBM_WRCREAT(),0640)) {
6488: &_add_to_env(\%disk_env,\%initial_env);
6489: &_add_to_env(\%disk_env,\%userenv,'environment.');
6490: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 6491: if (ref($args->{'extra_env'})) {
6492: &_add_to_env(\%disk_env,$args->{'extra_env'});
6493: }
1.462 albertel 6494: untie(%disk_env);
6495: } else {
6496: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
6497: 'Could not create environment storage in lonauth: '.$!.'</font>');
6498: return 'error: '.$!;
6499: }
6500: }
6501: $env{'request.role'}='cm';
6502: $env{'request.role.adv'}=$env{'user.adv'};
6503: $env{'browser.type'}=$clientbrowser;
6504:
6505: return $cookie;
6506:
6507: }
6508:
6509: sub _add_to_env {
6510: my ($idf,$env_data,$prefix) = @_;
6511: while (my ($key,$value) = each(%$env_data)) {
6512: $idf->{$prefix.$key} = $value;
6513: $env{$prefix.$key} = $value;
6514: }
6515: }
6516:
6517:
1.41 ng 6518: =pod
6519:
6520: =back
6521:
1.112 bowersj2 6522: =cut
1.41 ng 6523:
1.112 bowersj2 6524: 1;
6525: __END__;
1.41 ng 6526:
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