Annotation of loncom/interface/loncommon.pm, revision 1.508
1.10 albertel 1: # The LearningOnline Network with CAPA
1.1 albertel 2: # a pile of common routines
1.10 albertel 3: #
1.508 ! www 4: # $Id: loncommon.pm,v 1.507 2007/02/27 22:16:02 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();
1.498 albertel 62: use Apache::lonenc();
1.117 www 63: use Apache::lonlocal;
1.139 matthew 64: use HTML::Entities;
1.334 albertel 65: use Apache::lonhtmlcommon();
66: use Apache::loncoursedata();
1.344 albertel 67: use Apache::lontexconvert();
1.444 albertel 68: use Apache::lonclonecourse();
1.479 albertel 69: use LONCAPA qw(:DEFAULT :match);
1.117 www 70:
1.22 www 71: my $readit;
72:
1.157 matthew 73: ##
74: ## Global Variables
75: ##
1.46 matthew 76:
1.20 www 77: # ----------------------------------------------- Filetypes/Languages/Copyright
1.12 harris41 78: my %language;
1.124 www 79: my %supported_language;
1.12 harris41 80: my %cprtag;
1.192 taceyjo1 81: my %scprtag;
1.351 www 82: my %fe; my %fd; my %fm;
1.41 ng 83: my %category_extensions;
1.12 harris41 84:
1.63 www 85: # ---------------------------------------------- Designs
86:
87: my %designhash;
88:
1.46 matthew 89: # ---------------------------------------------- Thesaurus variables
1.144 matthew 90: #
91: # %Keywords:
92: # A hash used by &keyword to determine if a word is considered a keyword.
93: # $thesaurus_db_file
94: # Scalar containing the full path to the thesaurus database.
1.46 matthew 95:
96: my %Keywords;
97: my $thesaurus_db_file;
98:
1.144 matthew 99: #
100: # Initialize values from language.tab, copyright.tab, filetypes.tab,
101: # thesaurus.tab, and filecategories.tab.
102: #
1.18 www 103: BEGIN {
1.46 matthew 104: # Variable initialization
105: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
106: #
1.22 www 107: unless ($readit) {
1.12 harris41 108: # ------------------------------------------------------------------- languages
109: {
1.158 raeburn 110: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
111: '/language.tab';
112: if ( open(my $fh,"<$langtabfile") ) {
1.356 albertel 113: while (my $line = <$fh>) {
114: next if ($line=~/^\#/);
115: chomp($line);
116: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
1.158 raeburn 117: $language{$key}=$val.' - '.$enc;
118: if ($sup) {
119: $supported_language{$key}=$sup;
120: }
121: }
122: close($fh);
123: }
1.12 harris41 124: }
125: # ------------------------------------------------------------------ copyrights
126: {
1.158 raeburn 127: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
128: '/copyright.tab';
129: if ( open (my $fh,"<$copyrightfile") ) {
1.356 albertel 130: while (my $line = <$fh>) {
131: next if ($line=~/^\#/);
132: chomp($line);
133: my ($key,$val)=(split(/\s+/,$line,2));
1.158 raeburn 134: $cprtag{$key}=$val;
135: }
136: close($fh);
137: }
1.12 harris41 138: }
1.351 www 139: # ----------------------------------------------------------- source copyrights
1.192 taceyjo1 140: {
141: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
142: '/source_copyright.tab';
143: if ( open (my $fh,"<$sourcecopyrightfile") ) {
1.356 albertel 144: while (my $line = <$fh>) {
145: next if ($line =~ /^\#/);
146: chomp($line);
147: my ($key,$val)=(split(/\s+/,$line,2));
1.192 taceyjo1 148: $scprtag{$key}=$val;
149: }
150: close($fh);
151: }
152: }
1.63 www 153:
154: # -------------------------------------------------------------- domain designs
155:
156: my $filename;
157: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
158: opendir(DIR,$designdir);
159: while ($filename=readdir(DIR)) {
1.271 albertel 160: if ($filename!~/\.tab$/) { next; }
1.479 albertel 161: my ($domain)=($filename=~/^($match_domain)\./);
1.271 albertel 162: {
163: my $designfile = $designdir.'/'.$filename;
164: if ( open (my $fh,"<$designfile") ) {
1.356 albertel 165: while (my $line = <$fh>) {
166: next if ($line =~ /^\#/);
167: chomp($line);
168: my ($key,$val)=(split(/\=/,$line));
1.271 albertel 169: if ($val) { $designhash{$domain.'.'.$key}=$val; }
170: }
171: close($fh);
172: }
173: }
1.63 www 174:
175: }
176: closedir(DIR);
177:
178:
1.15 harris41 179: # ------------------------------------------------------------- file categories
180: {
1.158 raeburn 181: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
182: '/filecategories.tab';
183: if ( open (my $fh,"<$categoryfile") ) {
1.356 albertel 184: while (my $line = <$fh>) {
185: next if ($line =~ /^\#/);
186: chomp($line);
187: my ($extension,$category)=(split(/\s+/,$line,2));
1.158 raeburn 188: push @{$category_extensions{lc($category)}},$extension;
189: }
190: close($fh);
191: }
192:
1.15 harris41 193: }
1.12 harris41 194: # ------------------------------------------------------------------ file types
195: {
1.158 raeburn 196: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
197: '/filetypes.tab';
198: if ( open (my $fh,"<$typesfile") ) {
1.356 albertel 199: while (my $line = <$fh>) {
200: next if ($line =~ /^\#/);
201: chomp($line);
202: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
1.158 raeburn 203: if ($descr ne '') {
204: $fe{$ending}=lc($emb);
205: $fd{$ending}=$descr;
1.351 www 206: if ($mime ne 'unk') { $fm{$ending}=$mime; }
1.158 raeburn 207: }
208: }
209: close($fh);
210: }
1.12 harris41 211: }
1.22 www 212: &Apache::lonnet::logthis(
1.46 matthew 213: "<font color=yellow>INFO: Read file types</font>");
1.22 www 214: $readit=1;
1.46 matthew 215: } # end of unless($readit)
1.32 matthew 216:
217: }
1.112 bowersj2 218:
1.42 matthew 219: ###############################################################
220: ## HTML and Javascript Helper Functions ##
221: ###############################################################
222:
223: =pod
224:
1.112 bowersj2 225: =head1 HTML and Javascript Functions
1.42 matthew 226:
1.112 bowersj2 227: =over 4
228:
229: =item * browser_and_searcher_javascript ()
230:
231: X<browsing, javascript>X<searching, javascript>Returns a string
232: containing javascript with two functions, C<openbrowser> and
233: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
234: tags.
1.42 matthew 235:
1.112 bowersj2 236: =item * openbrowser(formname,elementname,only,omit) [javascript]
1.42 matthew 237:
238: inputs: formname, elementname, only, omit
239:
240: formname and elementname indicate the name of the html form and name of
241: the element that the results of the browsing selection are to be placed in.
242:
243: Specifying 'only' will restrict the browser to displaying only files
1.185 www 244: with the given extension. Can be a comma separated list.
1.42 matthew 245:
246: Specifying 'omit' will restrict the browser to NOT displaying files
1.185 www 247: with the given extension. Can be a comma separated list.
1.42 matthew 248:
1.112 bowersj2 249: =item * opensearcher(formname, elementname) [javascript]
1.42 matthew 250:
251: Inputs: formname, elementname
252:
253: formname and elementname specify the name of the html form and the name
254: of the element the selection from the search results will be placed in.
255:
256: =cut
257:
258: sub browser_and_searcher_javascript {
1.199 albertel 259: my ($mode)=@_;
260: if (!defined($mode)) { $mode='edit'; }
1.453 albertel 261: my $resurl=&escape_single(&lastresurl());
1.42 matthew 262: return <<END;
1.219 albertel 263: // <!-- BEGIN LON-CAPA Internal
1.50 matthew 264: var editbrowser = null;
1.135 albertel 265: function openbrowser(formname,elementname,only,omit,titleelement) {
1.170 www 266: var url = '$resurl/?';
1.42 matthew 267: if (editbrowser == null) {
268: url += 'launch=1&';
269: }
270: url += 'catalogmode=interactive&';
1.199 albertel 271: url += 'mode=$mode&';
1.42 matthew 272: url += 'form=' + formname + '&';
273: if (only != null) {
274: url += 'only=' + only + '&';
1.217 albertel 275: } else {
276: url += 'only=&';
277: }
1.42 matthew 278: if (omit != null) {
279: url += 'omit=' + omit + '&';
1.217 albertel 280: } else {
281: url += 'omit=&';
282: }
1.135 albertel 283: if (titleelement != null) {
284: url += 'titleelement=' + titleelement + '&';
1.217 albertel 285: } else {
286: url += 'titleelement=&';
287: }
1.42 matthew 288: url += 'element=' + elementname + '';
289: var title = 'Browser';
1.435 albertel 290: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 291: options += ',width=700,height=600';
292: editbrowser = open(url,title,options,'1');
293: editbrowser.focus();
294: }
295: var editsearcher;
1.135 albertel 296: function opensearcher(formname,elementname,titleelement) {
1.42 matthew 297: var url = '/adm/searchcat?';
298: if (editsearcher == null) {
299: url += 'launch=1&';
300: }
301: url += 'catalogmode=interactive&';
1.199 albertel 302: url += 'mode=$mode&';
1.42 matthew 303: url += 'form=' + formname + '&';
1.135 albertel 304: if (titleelement != null) {
305: url += 'titleelement=' + titleelement + '&';
1.217 albertel 306: } else {
307: url += 'titleelement=&';
308: }
1.42 matthew 309: url += 'element=' + elementname + '';
310: var title = 'Search';
1.435 albertel 311: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
1.42 matthew 312: options += ',width=700,height=600';
313: editsearcher = open(url,title,options,'1');
314: editsearcher.focus();
315: }
1.219 albertel 316: // END LON-CAPA Internal -->
1.42 matthew 317: END
1.170 www 318: }
319:
320: sub lastresurl {
1.258 albertel 321: if ($env{'environment.lastresurl'}) {
322: return $env{'environment.lastresurl'}
1.170 www 323: } else {
324: return '/res';
325: }
326: }
327:
328: sub storeresurl {
329: my $resurl=&Apache::lonnet::clutter(shift);
330: unless ($resurl=~/^\/res/) { return 0; }
331: $resurl=~s/\/$//;
332: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
333: &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
334: return 1;
1.42 matthew 335: }
336:
1.74 www 337: sub studentbrowser_javascript {
1.111 www 338: unless (
1.258 albertel 339: (($env{'request.course.id'}) &&
1.302 albertel 340: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
341: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
342: '/'.$env{'request.course.sec'})
343: ))
1.258 albertel 344: || ($env{'request.role'}=~/^(au|dc|su)/)
1.111 www 345: ) { return ''; }
1.74 www 346: return (<<'ENDSTDBRW');
347: <script type="text/javascript" language="Javascript" >
348: var stdeditbrowser;
1.111 www 349: function openstdbrowser(formname,uname,udom,roleflag) {
1.74 www 350: var url = '/adm/pickstudent?';
351: var filter;
352: eval('filter=document.'+formname+'.'+uname+'.value;');
353: if (filter != null) {
354: if (filter != '') {
355: url += 'filter='+filter+'&';
356: }
357: }
358: url += 'form=' + formname + '&unameelement='+uname+
359: '&udomelement='+udom;
1.111 www 360: if (roleflag) { url+="&roles=1"; }
1.102 www 361: var title = 'Student_Browser';
1.74 www 362: var options = 'scrollbars=1,resizable=1,menubar=0';
363: options += ',width=700,height=600';
364: stdeditbrowser = open(url,title,options,'1');
365: stdeditbrowser.focus();
366: }
367: </script>
368: ENDSTDBRW
369: }
1.42 matthew 370:
1.74 www 371: sub selectstudent_link {
1.111 www 372: my ($form,$unameele,$udomele)=@_;
1.258 albertel 373: if ($env{'request.course.id'}) {
1.302 albertel 374: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
375: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
376: '/'.$env{'request.course.sec'})) {
1.111 www 377: return '';
378: }
379: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 380: '","'.$udomele.'");'."'>".&mt('Select User')."</a>";
1.74 www 381: }
1.258 albertel 382: if ($env{'request.role'}=~/^(au|dc|su)/) {
1.111 www 383: return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
1.119 www 384: '","'.$udomele.'",1);'."'>".&mt('Select User')."</a>";
1.111 www 385: }
386: return '';
1.91 www 387: }
388:
389: sub coursebrowser_javascript {
1.468 raeburn 390: my ($domainfilter,$sec_element,$formname)=@_;
1.377 raeburn 391: 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 392: my $output = '
1.91 www 393: <script type="text/javascript" language="Javascript" >
1.468 raeburn 394: var stdeditbrowser;'."\n";
395: $output .= <<"ENDSTDBRW";
1.377 raeburn 396: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
1.91 www 397: var url = '/adm/pickcourse?';
1.468 raeburn 398: var domainfilter = '';
399: var formid = getFormIdByName(formname);
400: if (formid > -1) {
401: var domid = getIndexByName(formid,udom);
402: if (domid > -1) {
403: if (document.forms[formid].elements[domid].type == 'select-one') {
404: domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
405: }
406: if (document.forms[formid].elements[domid].type == 'hidden') {
407: domainfilter=document.forms[formid].elements[domid].value;
408: }
409: }
1.91 www 410: }
1.128 albertel 411: if (domainfilter != null) {
412: if (domainfilter != '') {
413: url += 'domainfilter='+domainfilter+'&';
414: }
415: }
1.91 www 416: url += 'form=' + formname + '&cnumelement='+uname+
1.187 albertel 417: '&cdomelement='+udom+
418: '&cnameelement='+desc;
1.468 raeburn 419: if (extra_element !=null && extra_element != '') {
420: if (formname == 'rolechoice') {
421: url += '&roleelement='+extra_element;
422: if (domainfilter == null || domainfilter == '') {
423: url += '&domainfilter='+extra_element;
424: }
1.234 raeburn 425: }
1.468 raeburn 426: else {
427: if (formname == 'portform') {
428: url += '&setroles='+extra_element;
429: }
430: }
1.230 raeburn 431: }
1.293 raeburn 432: if (multflag !=null && multflag != '') {
433: url += '&multiple='+multflag;
434: }
1.377 raeburn 435: if (crstype == 'Course/Group') {
436: if (formname == 'cu') {
437: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
438: if (crstype == "") {
439: alert("$crs_or_grp_alert");
440: return;
441: }
442: }
443: }
444: if (crstype !=null && crstype != '') {
445: url += '&type='+crstype;
446: }
1.102 www 447: var title = 'Course_Browser';
1.91 www 448: var options = 'scrollbars=1,resizable=1,menubar=0';
449: options += ',width=700,height=600';
450: stdeditbrowser = open(url,title,options,'1');
451: stdeditbrowser.focus();
452: }
1.468 raeburn 453:
454: function getFormIdByName(formname) {
455: for (var i=0;i<document.forms.length;i++) {
456: if (document.forms[i].name == formname) {
457: return i;
458: }
459: }
460: return -1;
461: }
462:
463: function getIndexByName(formid,item) {
464: for (var i=0;i<document.forms[formid].elements.length;i++) {
465: if (document.forms[formid].elements[i].name == item) {
466: return i;
467: }
468: }
469: return -1;
470: }
1.91 www 471: ENDSTDBRW
1.468 raeburn 472: if ($sec_element ne '') {
473: $output .= &setsec_javascript($sec_element,$formname);
474: }
475: $output .= '
476: </script>';
477: return $output;
478: }
479:
480: sub setsec_javascript {
481: my ($sec_element,$formname) = @_;
482: my $setsections = qq|
483: function setSect(sectionlist) {
484: var sectionsArray = sectionlist.split(",");
485: var numSections = sectionsArray.length;
486: document.$formname.$sec_element.length = 0;
487: if (numSections == 0) {
488: document.$formname.$sec_element.multiple=false;
489: document.$formname.$sec_element.size=1;
490: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
491: } else {
492: if (numSections == 1) {
493: document.$formname.$sec_element.multiple=false;
494: document.$formname.$sec_element.size=1;
495: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
496: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
497: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
498: } else {
499: for (var i=0; i<numSections; i++) {
500: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
501: }
502: document.$formname.$sec_element.multiple=true
503: if (numSections < 3) {
504: document.$formname.$sec_element.size=numSections;
505: } else {
506: document.$formname.$sec_element.size=3;
507: }
508: document.$formname.$sec_element.options[0].selected = false
509: }
510: }
1.91 www 511: }
1.468 raeburn 512: |;
513: return $setsections;
514: }
515:
1.91 www 516:
517: sub selectcourse_link {
1.377 raeburn 518: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
1.492 albertel 519: return "<a href='".'javascript:opencrsbrowser("'.$form.'","'.$unameele.
520: '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
1.74 www 521: }
1.42 matthew 522:
1.273 raeburn 523: sub check_uncheck_jscript {
524: my $jscript = <<"ENDSCRT";
525: function checkAll(field) {
526: if (field.length > 0) {
527: for (i = 0; i < field.length; i++) {
528: field[i].checked = true ;
529: }
530: } else {
531: field.checked = true
532: }
533: }
534:
535: function uncheckAll(field) {
536: if (field.length > 0) {
537: for (i = 0; i < field.length; i++) {
538: field[i].checked = false ;
539: } } else {
540: field.checked = false ;
541: }
542: }
543: ENDSCRT
544: return $jscript;
545: }
546:
547:
1.42 matthew 548: =pod
1.36 matthew 549:
1.112 bowersj2 550: =item * linked_select_forms(...)
1.36 matthew 551:
552: linked_select_forms returns a string containing a <script></script> block
553: and html for two <select> menus. The select menus will be linked in that
554: changing the value of the first menu will result in new values being placed
555: in the second menu. The values in the select menu will appear in alphabetical
556: order.
557:
558: linked_select_forms takes the following ordered inputs:
559:
560: =over 4
561:
1.112 bowersj2 562: =item * $formname, the name of the <form> tag
1.36 matthew 563:
1.112 bowersj2 564: =item * $middletext, the text which appears between the <select> tags
1.36 matthew 565:
1.112 bowersj2 566: =item * $firstdefault, the default value for the first menu
1.36 matthew 567:
1.112 bowersj2 568: =item * $firstselectname, the name of the first <select> tag
1.36 matthew 569:
1.112 bowersj2 570: =item * $secondselectname, the name of the second <select> tag
1.36 matthew 571:
1.112 bowersj2 572: =item * $hashref, a reference to a hash containing the data for the menus.
1.36 matthew 573:
1.41 ng 574: =back
575:
1.36 matthew 576: Below is an example of such a hash. Only the 'text', 'default', and
577: 'select2' keys must appear as stated. keys(%menu) are the possible
578: values for the first select menu. The text that coincides with the
1.41 ng 579: first menu value is given in $menu{$choice1}->{'text'}. The values
1.36 matthew 580: and text for the second menu are given in the hash pointed to by
581: $menu{$choice1}->{'select2'}.
582:
1.112 bowersj2 583: my %menu = ( A1 => { text =>"Choice A1" ,
584: default => "B3",
585: select2 => {
586: B1 => "Choice B1",
587: B2 => "Choice B2",
588: B3 => "Choice B3",
589: B4 => "Choice B4"
590: }
591: },
592: A2 => { text =>"Choice A2" ,
593: default => "C2",
594: select2 => {
595: C1 => "Choice C1",
596: C2 => "Choice C2",
597: C3 => "Choice C3"
598: }
599: },
600: A3 => { text =>"Choice A3" ,
601: default => "D6",
602: select2 => {
603: D1 => "Choice D1",
604: D2 => "Choice D2",
605: D3 => "Choice D3",
606: D4 => "Choice D4",
607: D5 => "Choice D5",
608: D6 => "Choice D6",
609: D7 => "Choice D7"
610: }
611: }
612: );
1.36 matthew 613:
614: =cut
615:
616: sub linked_select_forms {
617: my ($formname,
618: $middletext,
619: $firstdefault,
620: $firstselectname,
621: $secondselectname,
622: $hashref
623: ) = @_;
624: my $second = "document.$formname.$secondselectname";
625: my $first = "document.$formname.$firstselectname";
626: # output the javascript to do the changing
627: my $result = '';
1.219 albertel 628: $result.="<script type=\"text/javascript\">\n";
1.36 matthew 629: $result.="var select2data = new Object();\n";
630: $" = '","';
631: my $debug = '';
632: foreach my $s1 (sort(keys(%$hashref))) {
633: $result.="select2data.d_$s1 = new Object();\n";
634: $result.="select2data.d_$s1.def = new String('".
635: $hashref->{$s1}->{'default'}."');\n";
636: $result.="select2data.d_$s1.values = new Array(";
637: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
638: $result.="\"@s2values\");\n";
639: $result.="select2data.d_$s1.texts = new Array(";
640: my @s2texts;
641: foreach my $value (@s2values) {
642: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
643: }
644: $result.="\"@s2texts\");\n";
645: }
646: $"=' ';
647: $result.= <<"END";
648:
649: function select1_changed() {
650: // Determine new choice
651: var newvalue = "d_" + $first.value;
652: // update select2
653: var values = select2data[newvalue].values;
654: var texts = select2data[newvalue].texts;
655: var select2def = select2data[newvalue].def;
656: var i;
657: // out with the old
658: for (i = 0; i < $second.options.length; i++) {
659: $second.options[i] = null;
660: }
661: // in with the nuclear
662: for (i=0;i<values.length; i++) {
663: $second.options[i] = new Option(values[i]);
1.143 matthew 664: $second.options[i].value = values[i];
1.36 matthew 665: $second.options[i].text = texts[i];
666: if (values[i] == select2def) {
667: $second.options[i].selected = true;
668: }
669: }
670: }
671: </script>
672: END
673: # output the initial values for the selection lists
674: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
675: foreach my $value (sort(keys(%$hashref))) {
676: $result.=" <option value=\"$value\" ";
1.253 albertel 677: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1.119 www 678: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1.36 matthew 679: }
680: $result .= "</select>\n";
681: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
682: $result .= $middletext;
683: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
684: my $seconddefault = $hashref->{$firstdefault}->{'default'};
685: foreach my $value (sort(keys(%select2))) {
686: $result.=" <option value=\"$value\" ";
1.253 albertel 687: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1.119 www 688: $result.=">".&mt($select2{$value})."</option>\n";
1.36 matthew 689: }
690: $result .= "</select>\n";
691: # return $debug;
692: return $result;
693: } # end of sub linked_select_forms {
694:
1.45 matthew 695: =pod
1.44 bowersj2 696:
1.112 bowersj2 697: =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
1.44 bowersj2 698:
1.112 bowersj2 699: Returns a string corresponding to an HTML link to the given help
700: $topic, where $topic corresponds to the name of a .tex file in
701: /home/httpd/html/adm/help/tex, with underscores replaced by
702: spaces.
703:
704: $text will optionally be linked to the same topic, allowing you to
705: link text in addition to the graphic. If you do not want to link
706: text, but wish to specify one of the later parameters, pass an
707: empty string.
708:
709: $stayOnPage is a value that will be interpreted as a boolean. If true,
710: the link will not open a new window. If false, the link will open
711: a new window using Javascript. (Default is false.)
712:
713: $width and $height are optional numerical parameters that will
714: override the width and height of the popped up window, which may
715: be useful for certain help topics with big pictures included.
1.44 bowersj2 716:
717: =cut
718:
719: sub help_open_topic {
1.48 bowersj2 720: my ($topic, $text, $stayOnPage, $width, $height) = @_;
721: $text = "" if (not defined $text);
1.44 bowersj2 722: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 723: if ($env{'browser.interface'} eq 'textual' ||
724: $env{'environment.remote'} eq 'off' ) {
1.79 www 725: $stayOnPage=1;
726: }
1.44 bowersj2 727: $width = 350 if (not defined $width);
728: $height = 400 if (not defined $height);
729: my $filename = $topic;
730: $filename =~ s/ /_/g;
731:
1.48 bowersj2 732: my $template = "";
733: my $link;
1.159 www 734:
735: $topic=~s/\W/\_/g;
1.44 bowersj2 736:
737: if (!$stayOnPage)
738: {
1.72 bowersj2 739: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1.44 bowersj2 740: }
741: else
742: {
1.48 bowersj2 743: $link = "/adm/help/${filename}.hlp";
744: }
745:
746: # Add the text
747: if ($text ne "")
748: {
1.77 www 749: $template .=
750: "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 751: "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.48 bowersj2 752: }
753:
754: # Add the graphic
1.179 matthew 755: my $title = &mt('Online Help');
1.215 albertel 756: my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
1.48 bowersj2 757: $template .= <<"ENDTEMPLATE";
1.436 albertel 758: <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
1.44 bowersj2 759: ENDTEMPLATE
1.78 www 760: if ($text ne '') { $template.='</td></tr></table>' };
1.44 bowersj2 761: return $template;
762:
1.106 bowersj2 763: }
764:
765: # This is a quicky function for Latex cheatsheet editing, since it
766: # appears in at least four places
767: sub helpLatexCheatsheet {
768: my $other = shift;
769: my $addOther = '';
770: if ($other) {
771: $addOther = Apache::loncommon::help_open_topic($other, shift,
772: undef, undef, 600) .
773: '</td><td>';
774: }
775: return '<table><tr><td>'.
776: $addOther .
777: &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
778: undef,undef,600)
779: .'</td><td>'.
780: &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
781: undef,undef,600)
782: .'</td></tr></table>';
1.172 www 783: }
784:
1.430 albertel 785: sub general_help {
786: my $helptopic='Student_Intro';
787: if ($env{'request.role'}=~/^(ca|au)/) {
788: $helptopic='Authoring_Intro';
789: } elsif ($env{'request.role'}=~/^cc/) {
790: $helptopic='Course_Coordination_Intro';
791: }
792: return $helptopic;
793: }
794:
795: sub update_help_link {
796: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
797: my $origurl = $ENV{'REQUEST_URI'};
798: $origurl=~s|^/~|/priv/|;
799: my $timestamp = time;
800: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
801: $$datum = &escape($$datum);
802: }
803:
804: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
805: my $output .= <<"ENDOUTPUT";
806: <script type="text/javascript">
807: banner_link = '$banner_link';
808: </script>
809: ENDOUTPUT
810: return $output;
811: }
812:
813: # now just updates the help link and generates a blue icon
1.193 raeburn 814: sub help_open_menu {
1.430 albertel 815: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
816: = @_;
817:
818: $stayOnPage = 0 if (not defined $stayOnPage);
819: if ($env{'browser.interface'} eq 'textual' ||
820: $env{'environment.remote'} eq 'off' ) {
821: $stayOnPage=1;
822: }
823: my $output;
824: if ($component_help) {
825: if (!$text) {
826: $output=&help_open_topic($component_help,undef,$stayOnPage,
827: $width,$height);
828: } else {
829: my $help_text;
830: $help_text=&unescape($topic);
831: $output='<table><tr><td>'.
832: &help_open_topic($component_help,$help_text,$stayOnPage,
833: $width,$height).'</td></tr></table>';
834: }
835: }
836: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
837: return $output.$banner_link;
838: }
839:
840: sub top_nav_help {
841: my ($text) = @_;
842:
1.436 albertel 843: $text = &mt($text);
844:
845: my $stayOnPage =
846: ($env{'browser.interface'} eq 'textual' ||
847: $env{'environment.remote'} eq 'off' );
848: my $link= ($stayOnPage) ? "javascript:helpMenu('display')"
849: : "javascript:helpMenu('open')";
850: my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
851:
1.201 raeburn 852: my $title = &mt('Get help');
1.436 albertel 853:
854: return <<"END";
855: $banner_link
856: <a href="$link" title="$title">$text</a>
857: END
858: }
859:
860: sub help_menu_js {
861: my ($text) = @_;
862:
863: my $stayOnPage =
864: ($env{'browser.interface'} eq 'textual' ||
865: $env{'environment.remote'} eq 'off' );
866:
867: my $width = 620;
868: my $height = 600;
1.430 albertel 869: my $helptopic=&general_help();
870: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1.261 albertel 871: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.331 albertel 872: my $start_page =
873: &Apache::loncommon::start_page('Help Menu', undef,
874: {'frameset' => 1,
875: 'js_ready' => 1,
876: 'add_entries' => {
877: 'border' => '0',
878: 'rows' => "105,*",},});
879: my $end_page =
880: &Apache::loncommon::end_page({'frameset' => 1,
881: 'js_ready' => 1,});
882:
1.436 albertel 883: my $template .= <<"ENDTEMPLATE";
884: <script type="text/javascript">
1.253 albertel 885: // <!-- BEGIN LON-CAPA Internal
886: // <![CDATA[
1.430 albertel 887: var banner_link = '';
1.243 raeburn 888: function helpMenu(target) {
889: var caller = this;
890: if (target == 'open') {
891: var newWindow = null;
892: try {
1.262 albertel 893: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1.243 raeburn 894: }
895: catch(error) {
896: writeHelp(caller);
897: return;
898: }
899: if (newWindow) {
900: caller = newWindow;
901: }
1.193 raeburn 902: }
1.243 raeburn 903: writeHelp(caller);
904: return;
905: }
906: function writeHelp(caller) {
1.430 albertel 907: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1.243 raeburn 908: caller.document.close()
909: caller.focus()
1.193 raeburn 910: }
1.253 albertel 911: // ]]>
1.219 albertel 912: // END LON-CAPA Internal -->
1.436 albertel 913: </script>
1.193 raeburn 914: ENDTEMPLATE
915: return $template;
916: }
917:
1.172 www 918: sub help_open_bug {
919: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 920: unless ($env{'user.adv'}) { return ''; }
1.172 www 921: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
922: $text = "" if (not defined $text);
923: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 924: if ($env{'browser.interface'} eq 'textual' ||
925: $env{'environment.remote'} eq 'off' ) {
1.172 www 926: $stayOnPage=1;
927: }
1.184 albertel 928: $width = 600 if (not defined $width);
929: $height = 600 if (not defined $height);
1.172 www 930:
931: $topic=~s/\W+/\+/g;
932: my $link='';
933: my $template='';
1.379 albertel 934: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
935: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1.172 www 936: if (!$stayOnPage)
937: {
938: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
939: }
940: else
941: {
942: $link = $url;
943: }
944: # Add the text
945: if ($text ne "")
946: {
947: $template .=
948: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 949: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 950: }
951:
952: # Add the graphic
1.179 matthew 953: my $title = &mt('Report a Bug');
1.215 albertel 954: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1.172 www 955: $template .= <<"ENDTEMPLATE";
1.436 albertel 956: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1.172 www 957: ENDTEMPLATE
958: if ($text ne '') { $template.='</td></tr></table>' };
959: return $template;
960:
961: }
962:
963: sub help_open_faq {
964: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1.258 albertel 965: unless ($env{'user.adv'}) { return ''; }
1.172 www 966: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
967: $text = "" if (not defined $text);
968: $stayOnPage = 0 if (not defined $stayOnPage);
1.258 albertel 969: if ($env{'browser.interface'} eq 'textual' ||
970: $env{'environment.remote'} eq 'off' ) {
1.172 www 971: $stayOnPage=1;
972: }
973: $width = 350 if (not defined $width);
974: $height = 400 if (not defined $height);
975:
976: $topic=~s/\W+/\+/g;
977: my $link='';
978: my $template='';
979: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
980: if (!$stayOnPage)
981: {
982: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
983: }
984: else
985: {
986: $link = $url;
987: }
988:
989: # Add the text
990: if ($text ne "")
991: {
992: $template .=
1.173 www 993: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1.436 albertel 994: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
1.172 www 995: }
996:
997: # Add the graphic
1.179 matthew 998: my $title = &mt('View the FAQ');
1.215 albertel 999: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1.172 www 1000: $template .= <<"ENDTEMPLATE";
1.436 albertel 1001: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1.172 www 1002: ENDTEMPLATE
1003: if ($text ne '') { $template.='</td></tr></table>' };
1004: return $template;
1005:
1.44 bowersj2 1006: }
1.37 matthew 1007:
1.180 matthew 1008: ###############################################################
1009: ###############################################################
1010:
1.45 matthew 1011: =pod
1012:
1.256 matthew 1013: =item * change_content_javascript():
1014:
1015: This and the next function allow you to create small sections of an
1016: otherwise static HTML page that you can update on the fly with
1017: Javascript, even in Netscape 4.
1018:
1019: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1020: must be written to the HTML page once. It will prove the Javascript
1021: function "change(name, content)". Calling the change function with the
1022: name of the section
1023: you want to update, matching the name passed to C<changable_area>, and
1024: the new content you want to put in there, will put the content into
1025: that area.
1026:
1027: B<Note>: Netscape 4 only reserves enough space for the changable area
1028: to contain room for the original contents. You need to "make space"
1029: for whatever changes you wish to make, and be B<sure> to check your
1030: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1031: it's adequate for updating a one-line status display, but little more.
1032: This script will set the space to 100% width, so you only need to
1033: worry about height in Netscape 4.
1034:
1035: Modern browsers are much less limiting, and if you can commit to the
1036: user not using Netscape 4, this feature may be used freely with
1037: pretty much any HTML.
1038:
1039: =cut
1040:
1041: sub change_content_javascript {
1042: # If we're on Netscape 4, we need to use Layer-based code
1.258 albertel 1043: if ($env{'browser.type'} eq 'netscape' &&
1044: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1045: return (<<NETSCAPE4);
1046: function change(name, content) {
1047: doc = document.layers[name+"___escape"].layers[0].document;
1048: doc.open();
1049: doc.write(content);
1050: doc.close();
1051: }
1052: NETSCAPE4
1053: } else {
1054: # Otherwise, we need to use semi-standards-compliant code
1055: # (technically, "innerHTML" isn't standard but the equivalent
1056: # is really scary, and every useful browser supports it
1057: return (<<DOMBASED);
1058: function change(name, content) {
1059: element = document.getElementById(name);
1060: element.innerHTML = content;
1061: }
1062: DOMBASED
1063: }
1064: }
1065:
1066: =pod
1067:
1068: =item * changable_area($name, $origContent):
1069:
1070: This provides a "changable area" that can be modified on the fly via
1071: the Javascript code provided in C<change_content_javascript>. $name is
1072: the name you will use to reference the area later; do not repeat the
1073: same name on a given HTML page more then once. $origContent is what
1074: the area will originally contain, which can be left blank.
1075:
1076: =cut
1077:
1078: sub changable_area {
1079: my ($name, $origContent) = @_;
1080:
1.258 albertel 1081: if ($env{'browser.type'} eq 'netscape' &&
1082: $env{'browser.version'} =~ /^4\./) {
1.256 matthew 1083: # If this is netscape 4, we need to use the Layer tag
1084: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1085: } else {
1086: return "<span id='$name'>$origContent</span>";
1087: }
1088: }
1089:
1090: =pod
1091:
1092: =back
1093:
1094: =head1 Excel and CSV file utility routines
1095:
1096: =over 4
1097:
1098: =cut
1099:
1100: ###############################################################
1101: ###############################################################
1102:
1103: =pod
1104:
1.112 bowersj2 1105: =item * csv_translate($text)
1.37 matthew 1106:
1.185 www 1107: Translate $text to allow it to be output as a 'comma separated values'
1.37 matthew 1108: format.
1109:
1110: =cut
1111:
1.180 matthew 1112: ###############################################################
1113: ###############################################################
1.37 matthew 1114: sub csv_translate {
1115: my $text = shift;
1116: $text =~ s/\"/\"\"/g;
1.209 albertel 1117: $text =~ s/\n/ /g;
1.37 matthew 1118: return $text;
1119: }
1.180 matthew 1120:
1121: ###############################################################
1122: ###############################################################
1123:
1124: =pod
1125:
1126: =item * define_excel_formats
1127:
1128: Define some commonly used Excel cell formats.
1129:
1130: Currently supported formats:
1131:
1132: =over 4
1133:
1134: =item header
1135:
1136: =item bold
1137:
1138: =item h1
1139:
1140: =item h2
1141:
1142: =item h3
1143:
1.256 matthew 1144: =item h4
1145:
1146: =item i
1147:
1.180 matthew 1148: =item date
1149:
1150: =back
1151:
1152: Inputs: $workbook
1153:
1154: Returns: $format, a hash reference.
1155:
1156: =cut
1157:
1158: ###############################################################
1159: ###############################################################
1160: sub define_excel_formats {
1161: my ($workbook) = @_;
1162: my $format;
1163: $format->{'header'} = $workbook->add_format(bold => 1,
1164: bottom => 1,
1165: align => 'center');
1166: $format->{'bold'} = $workbook->add_format(bold=>1);
1167: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1168: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1169: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1.255 matthew 1170: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1.246 matthew 1171: $format->{'i'} = $workbook->add_format(italic=>1);
1.180 matthew 1172: $format->{'date'} = $workbook->add_format(num_format=>
1.207 matthew 1173: 'mm/dd/yyyy hh:mm:ss');
1.180 matthew 1174: return $format;
1175: }
1176:
1177: ###############################################################
1178: ###############################################################
1.113 bowersj2 1179:
1180: =pod
1181:
1.256 matthew 1182: =item * create_workbook
1.255 matthew 1183:
1184: Create an Excel worksheet. If it fails, output message on the
1185: request object and return undefs.
1186:
1187: Inputs: Apache request object
1188:
1189: Returns (undef) on failure,
1190: Excel worksheet object, scalar with filename, and formats
1191: from &Apache::loncommon::define_excel_formats on success
1192:
1193: =cut
1194:
1195: ###############################################################
1196: ###############################################################
1197: sub create_workbook {
1198: my ($r) = @_;
1199: #
1200: # Create the excel spreadsheet
1201: my $filename = '/prtspool/'.
1.258 albertel 1202: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.255 matthew 1203: time.'_'.rand(1000000000).'.xls';
1204: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1205: if (! defined($workbook)) {
1206: $r->log_error("Error creating excel spreadsheet $filename: $!");
1207: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1208: "This error has been logged. ".
1209: "Please alert your LON-CAPA administrator").
1210: '</p>');
1211: return (undef);
1212: }
1213: #
1214: $workbook->set_tempdir('/home/httpd/perl/tmp');
1215: #
1216: my $format = &Apache::loncommon::define_excel_formats($workbook);
1217: return ($workbook,$filename,$format);
1218: }
1219:
1220: ###############################################################
1221: ###############################################################
1222:
1223: =pod
1224:
1.256 matthew 1225: =item * create_text_file
1.113 bowersj2 1226:
1.256 matthew 1227: Create a file to write to and eventually make available to the usre.
1228: If file creation fails, outputs an error message on the request object and
1229: return undefs.
1.113 bowersj2 1230:
1.256 matthew 1231: Inputs: Apache request object, and file suffix
1.113 bowersj2 1232:
1.256 matthew 1233: Returns (undef) on failure,
1234: Filehandle and filename on success.
1.113 bowersj2 1235:
1236: =cut
1237:
1.256 matthew 1238: ###############################################################
1239: ###############################################################
1240: sub create_text_file {
1241: my ($r,$suffix) = @_;
1242: if (! defined($suffix)) { $suffix = 'txt'; };
1243: my $fh;
1244: my $filename = '/prtspool/'.
1.258 albertel 1245: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.256 matthew 1246: time.'_'.rand(1000000000).'.'.$suffix;
1247: $fh = Apache::File->new('>/home/httpd'.$filename);
1248: if (! defined($fh)) {
1249: $r->log_error("Couldn't open $filename for output $!");
1250: $r->print("Problems occured in creating the output file. ".
1251: "This error has been logged. ".
1252: "Please alert your LON-CAPA administrator.");
1.113 bowersj2 1253: }
1.256 matthew 1254: return ($fh,$filename)
1.113 bowersj2 1255: }
1256:
1257:
1.256 matthew 1258: =pod
1.113 bowersj2 1259:
1260: =back
1261:
1262: =cut
1.37 matthew 1263:
1264: ###############################################################
1.33 matthew 1265: ## Home server <option> list generating code ##
1266: ###############################################################
1.35 matthew 1267:
1.45 matthew 1268: =pod
1269:
1.112 bowersj2 1270: =head1 Home Server option list generating code
1271:
1272: =over 4
1273:
1274: =item * get_domains()
1.35 matthew 1275:
1276: Returns an array containing each of the domains listed in the hosts.tab
1277: file.
1278:
1279: =cut
1280:
1281: #-------------------------------------------
1.34 matthew 1282: sub get_domains {
1283: # The code below was stolen from "The Perl Cookbook", p 102, 1st ed.
1284: my @domains;
1285: my %seen;
1.356 albertel 1286: foreach my $dom (sort(values(%Apache::lonnet::hostdom))) {
1287: push(@domains,$dom) unless $seen{$dom}++;
1.34 matthew 1288: }
1289: return @domains;
1290: }
1.88 www 1291:
1.169 www 1292: # ------------------------------------------
1293:
1294: sub domain_select {
1295: my ($name,$value,$multiple)=@_;
1296: my %domains=map {
1297: $_ => $_.' '.$Apache::lonnet::domaindescription{$_}
1298: } &get_domains;
1299: if ($multiple) {
1300: $domains{''}=&mt('Any domain');
1.287 albertel 1301: return &multiple_select_form($name,$value,4,\%domains);
1.169 www 1302: } else {
1303: return &select_form($name,$value,%domains);
1304: }
1305: }
1306:
1.282 albertel 1307: #-------------------------------------------
1308:
1309: =pod
1310:
1.287 albertel 1311: =item * multiple_select_form($name,$value,$size,$hash,$order)
1.282 albertel 1312:
1313: Returns a string containing a <select> element int multiple mode
1314:
1315:
1316: Args:
1317: $name - name of the <select> element
1.506 raeburn 1318: $value - scalar or array ref of values that should already be selected
1.282 albertel 1319: $size - number of rows long the select element is
1.283 albertel 1320: $hash - the elements should be 'option' => 'shown text'
1.282 albertel 1321: (shown text should already have been &mt())
1.506 raeburn 1322: $order - (optional) array ref of the order to show the elements in
1.283 albertel 1323:
1.282 albertel 1324: =cut
1325:
1326: #-------------------------------------------
1.169 www 1327: sub multiple_select_form {
1.284 albertel 1328: my ($name,$value,$size,$hash,$order)=@_;
1.169 www 1329: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1330: my $output='';
1.191 matthew 1331: if (! defined($size)) {
1332: $size = 4;
1.283 albertel 1333: if (scalar(keys(%$hash))<4) {
1334: $size = scalar(keys(%$hash));
1.191 matthew 1335: }
1336: }
1.169 www 1337: $output.="\n<select name='$name' size='$size' multiple='1'>";
1.501 banghart 1338: my @order;
1.506 raeburn 1339: if (ref($order) eq 'ARRAY') {
1340: @order = @{$order};
1341: } else {
1342: @order = sort(keys(%$hash));
1.501 banghart 1343: }
1344: if (exists($$hash{'select_form_order'})) {
1345: @order = @{$$hash{'select_form_order'}};
1346: }
1347:
1.284 albertel 1348: foreach my $key (@order) {
1.356 albertel 1349: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1.284 albertel 1350: $output.='selected="selected" ' if ($selected{$key});
1351: $output.='>'.$hash->{$key}."</option>\n";
1.169 www 1352: }
1353: $output.="</select>\n";
1354: return $output;
1355: }
1356:
1.88 www 1357: #-------------------------------------------
1358:
1359: =pod
1360:
1.112 bowersj2 1361: =item * select_form($defdom,$name,%hash)
1.88 www 1362:
1363: Returns a string containing a <select name='$name' size='1'> form to
1364: allow a user to select options from a hash option_name => displayed text.
1365: See lonrights.pm for an example invocation and use.
1366:
1367: =cut
1368:
1369: #-------------------------------------------
1370: sub select_form {
1371: my ($def,$name,%hash) = @_;
1372: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1.128 albertel 1373: my @keys;
1374: if (exists($hash{'select_form_order'})) {
1375: @keys=@{$hash{'select_form_order'}};
1376: } else {
1377: @keys=sort(keys(%hash));
1378: }
1.356 albertel 1379: foreach my $key (@keys) {
1380: $selectform.=
1381: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1382: ($key eq $def ? 'selected="selected" ' : '').
1383: ">".&mt($hash{$key})."</option>\n";
1.88 www 1384: }
1385: $selectform.="</select>";
1386: return $selectform;
1387: }
1388:
1.475 www 1389: # For display filters
1390:
1391: sub display_filter {
1392: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1.477 www 1393: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1.475 www 1394: return '<nobr><label>'.&mt('Records [_1]',
1395: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1396: (&mt('all'),10,20,50,100,1000,10000))).
1.478 www 1397: '</label></nobr> <nobr>'.
1.475 www 1398: &mt('Filter [_1]',
1.477 www 1399: &select_form($env{'form.displayfilter'},
1400: 'displayfilter',
1401: ('currentfolder' => 'Current folder/page',
1402: 'containing' => 'Containing phrase',
1403: 'none' => 'None'))).
1.478 www 1404: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></nobr>';
1.475 www 1405: }
1406:
1.167 www 1407: sub gradeleveldescription {
1408: my $gradelevel=shift;
1409: my %gradelevels=(0 => 'Not specified',
1410: 1 => 'Grade 1',
1411: 2 => 'Grade 2',
1412: 3 => 'Grade 3',
1413: 4 => 'Grade 4',
1414: 5 => 'Grade 5',
1415: 6 => 'Grade 6',
1416: 7 => 'Grade 7',
1417: 8 => 'Grade 8',
1418: 9 => 'Grade 9',
1419: 10 => 'Grade 10',
1420: 11 => 'Grade 11',
1421: 12 => 'Grade 12',
1422: 13 => 'Grade 13',
1423: 14 => '100 Level',
1424: 15 => '200 Level',
1425: 16 => '300 Level',
1426: 17 => '400 Level',
1427: 18 => 'Graduate Level');
1428: return &mt($gradelevels{$gradelevel});
1429: }
1430:
1.163 www 1431: sub select_level_form {
1432: my ($deflevel,$name)=@_;
1433: unless ($deflevel) { $deflevel=0; }
1.167 www 1434: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1435: for (my $i=0; $i<=18; $i++) {
1436: $selectform.="<option value=\"$i\" ".
1.253 albertel 1437: ($i==$deflevel ? 'selected="selected" ' : '').
1.167 www 1438: ">".&gradeleveldescription($i)."</option>\n";
1439: }
1440: $selectform.="</select>";
1441: return $selectform;
1.163 www 1442: }
1.167 www 1443:
1.35 matthew 1444: #-------------------------------------------
1445:
1.45 matthew 1446: =pod
1447:
1.112 bowersj2 1448: =item * select_dom_form($defdom,$name,$includeempty)
1.35 matthew 1449:
1450: Returns a string containing a <select name='$name' size='1'> form to
1451: allow a user to select the domain to preform an operation in.
1452: See loncreateuser.pm for an example invocation and use.
1453:
1.90 www 1454: If the $includeempty flag is set, it also includes an empty choice ("no domain
1455: selected");
1456:
1.35 matthew 1457: =cut
1458:
1459: #-------------------------------------------
1.34 matthew 1460: sub select_dom_form {
1.90 www 1461: my ($defdom,$name,$includeempty) = @_;
1.34 matthew 1462: my @domains = get_domains();
1.90 www 1463: if ($includeempty) { @domains=('',@domains); }
1.34 matthew 1464: my $selectdomain = "<select name=\"$name\" size=\"1\">\n";
1.356 albertel 1465: foreach my $dom (@domains) {
1466: $selectdomain.="<option value=\"$dom\" ".
1467: ($dom eq $defdom ? 'selected="selected" ' : '').
1468: ">$dom</option>\n";
1.34 matthew 1469: }
1470: $selectdomain.="</select>";
1471: return $selectdomain;
1472: }
1473:
1.35 matthew 1474: #-------------------------------------------
1475:
1.45 matthew 1476: =pod
1477:
1.112 bowersj2 1478: =item * get_library_servers($domain)
1.35 matthew 1479:
1480: Returns a hash which contains keys like '103l3' and values like
1481: 'kirk.lite.msu.edu'. All of the keys will be for machines in the
1482: given $domain.
1483:
1484: =cut
1485:
1486: #-------------------------------------------
1.52 matthew 1487: sub get_library_servers {
1.33 matthew 1488: my $domain = shift;
1.52 matthew 1489: my %library_servers;
1.356 albertel 1490: foreach my $hostid (keys(%Apache::lonnet::libserv)) {
1491: if ($Apache::lonnet::hostdom{$hostid} eq $domain) {
1492: $library_servers{$hostid} = $Apache::lonnet::hostname{$hostid};
1.33 matthew 1493: }
1494: }
1.52 matthew 1495: return %library_servers;
1.33 matthew 1496: }
1497:
1.35 matthew 1498: #-------------------------------------------
1499:
1.45 matthew 1500: =pod
1501:
1.112 bowersj2 1502: =item * home_server_option_list($domain)
1.35 matthew 1503:
1504: returns a string which contains an <option> list to be used in a
1505: <select> form input. See loncreateuser.pm for an example.
1506:
1507: =cut
1508:
1509: #-------------------------------------------
1.33 matthew 1510: sub home_server_option_list {
1511: my $domain = shift;
1.52 matthew 1512: my %servers = &get_library_servers($domain);
1.33 matthew 1513: my $result = '';
1.356 albertel 1514: foreach my $hostid (sort(keys(%servers))) {
1.33 matthew 1515: $result.=
1.356 albertel 1516: '<option value="'.$hostid.'">'.
1517: $hostid.' '.$servers{$hostid}."</option>\n";
1.33 matthew 1518: }
1519: return $result;
1520: }
1.112 bowersj2 1521:
1522: =pod
1523:
1524: =back
1525:
1526: =cut
1.87 matthew 1527:
1528: ###############################################################
1.112 bowersj2 1529: ## Decoding User Agent ##
1.87 matthew 1530: ###############################################################
1531:
1532: =pod
1533:
1.112 bowersj2 1534: =head1 Decoding the User Agent
1535:
1536: =over 4
1537:
1538: =item * &decode_user_agent()
1.87 matthew 1539:
1540: Inputs: $r
1541:
1542: Outputs:
1543:
1544: =over 4
1545:
1.112 bowersj2 1546: =item * $httpbrowser
1.87 matthew 1547:
1.112 bowersj2 1548: =item * $clientbrowser
1.87 matthew 1549:
1.112 bowersj2 1550: =item * $clientversion
1.87 matthew 1551:
1.112 bowersj2 1552: =item * $clientmathml
1.87 matthew 1553:
1.112 bowersj2 1554: =item * $clientunicode
1.87 matthew 1555:
1.112 bowersj2 1556: =item * $clientos
1.87 matthew 1557:
1558: =back
1559:
1.157 matthew 1560: =back
1561:
1.87 matthew 1562: =cut
1563:
1564: ###############################################################
1565: ###############################################################
1566: sub decode_user_agent {
1.247 albertel 1567: my ($r)=@_;
1.87 matthew 1568: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
1569: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
1570: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.247 albertel 1571: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
1.87 matthew 1572: my $clientbrowser='unknown';
1573: my $clientversion='0';
1574: my $clientmathml='';
1575: my $clientunicode='0';
1576: for (my $i=0;$i<=$#browsertype;$i++) {
1577: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
1578: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
1579: $clientbrowser=$bname;
1580: $httpbrowser=~/$vreg/i;
1581: $clientversion=$1;
1582: $clientmathml=($clientversion>=$minv);
1583: $clientunicode=($clientversion>=$univ);
1584: }
1585: }
1586: my $clientos='unknown';
1587: if (($httpbrowser=~/linux/i) ||
1588: ($httpbrowser=~/unix/i) ||
1589: ($httpbrowser=~/ux/i) ||
1590: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
1591: if (($httpbrowser=~/vax/i) ||
1592: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
1593: if ($httpbrowser=~/next/i) { $clientos='next'; }
1594: if (($httpbrowser=~/mac/i) ||
1595: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
1596: if ($httpbrowser=~/win/i) { $clientos='win'; }
1597: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
1598: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
1599: $clientunicode,$clientos,);
1600: }
1601:
1.32 matthew 1602: ###############################################################
1603: ## Authentication changing form generation subroutines ##
1604: ###############################################################
1605: ##
1606: ## All of the authform_xxxxxxx subroutines take their inputs in a
1607: ## hash, and have reasonable default values.
1608: ##
1609: ## formname = the name given in the <form> tag.
1.35 matthew 1610: #-------------------------------------------
1611:
1.45 matthew 1612: =pod
1613:
1.112 bowersj2 1614: =head1 Authentication Routines
1615:
1616: =over 4
1617:
1618: =item * authform_xxxxxx
1.35 matthew 1619:
1620: The authform_xxxxxx subroutines provide javascript and html forms which
1621: handle some of the conveniences required for authentication forms.
1622: This is not an optimal method, but it works.
1623:
1624: See loncreateuser.pm for invocation and use examples.
1625:
1626: =over 4
1627:
1.112 bowersj2 1628: =item * authform_header
1.35 matthew 1629:
1.112 bowersj2 1630: =item * authform_authorwarning
1.35 matthew 1631:
1.112 bowersj2 1632: =item * authform_nochange
1.35 matthew 1633:
1.112 bowersj2 1634: =item * authform_kerberos
1.35 matthew 1635:
1.112 bowersj2 1636: =item * authform_internal
1.35 matthew 1637:
1.112 bowersj2 1638: =item * authform_filesystem
1.35 matthew 1639:
1640: =back
1641:
1.157 matthew 1642: =back
1643:
1.35 matthew 1644: =cut
1645:
1646: #-------------------------------------------
1.32 matthew 1647: sub authform_header{
1648: my %in = (
1649: formname => 'cu',
1.80 albertel 1650: kerb_def_dom => '',
1.32 matthew 1651: @_,
1652: );
1653: $in{'formname'} = 'document.' . $in{'formname'};
1654: my $result='';
1.80 albertel 1655:
1656: #---------------------------------------------- Code for upper case translation
1657: my $Javascript_toUpperCase;
1658: unless ($in{kerb_def_dom}) {
1659: $Javascript_toUpperCase =<<"END";
1660: switch (choice) {
1661: case 'krb': currentform.elements[choicearg].value =
1662: currentform.elements[choicearg].value.toUpperCase();
1663: break;
1664: default:
1665: }
1666: END
1667: } else {
1668: $Javascript_toUpperCase = "";
1669: }
1670:
1.165 raeburn 1671: my $radioval = "'nochange'";
1.174 matthew 1672: if (exists($in{'curr_authtype'}) &&
1673: defined($in{'curr_authtype'}) &&
1674: $in{'curr_authtype'} ne '') {
1675: $radioval = "'$in{'curr_authtype'}arg'";
1676: }
1.165 raeburn 1677: my $argfield = 'null';
1678: if ( grep/^mode$/,(keys %in) ) {
1679: if ($in{'mode'} eq 'modifycourse') {
1680: if ( grep/^curr_authtype$/,(keys %in) ) {
1681: $radioval = "'$in{'curr_authtype'}'";
1682: }
1683: if ( grep/^curr_autharg$/,(keys %in) ) {
1684: unless ($in{'curr_autharg'} eq '') {
1685: $argfield = "'$in{'curr_autharg'}'";
1686: }
1687: }
1688: }
1689: }
1690:
1.32 matthew 1691: $result.=<<"END";
1692: var current = new Object();
1.165 raeburn 1693: current.radiovalue = $radioval;
1694: current.argfield = $argfield;
1.32 matthew 1695:
1696: function changed_radio(choice,currentform) {
1697: var choicearg = choice + 'arg';
1698: // If a radio button in changed, we need to change the argfield
1699: if (current.radiovalue != choice) {
1700: current.radiovalue = choice;
1701: if (current.argfield != null) {
1702: currentform.elements[current.argfield].value = '';
1703: }
1704: if (choice == 'nochange') {
1705: current.argfield = null;
1706: } else {
1707: current.argfield = choicearg;
1708: switch(choice) {
1709: case 'krb':
1710: currentform.elements[current.argfield].value =
1711: "$in{'kerb_def_dom'}";
1712: break;
1713: default:
1714: break;
1715: }
1716: }
1717: }
1718: return;
1719: }
1.22 www 1720:
1.32 matthew 1721: function changed_text(choice,currentform) {
1722: var choicearg = choice + 'arg';
1723: if (currentform.elements[choicearg].value !='') {
1.80 albertel 1724: $Javascript_toUpperCase
1.32 matthew 1725: // clear old field
1726: if ((current.argfield != choicearg) && (current.argfield != null)) {
1727: currentform.elements[current.argfield].value = '';
1728: }
1729: current.argfield = choicearg;
1730: }
1731: set_auth_radio_buttons(choice,currentform);
1732: return;
1.20 www 1733: }
1.32 matthew 1734:
1735: function set_auth_radio_buttons(newvalue,currentform) {
1736: var i=0;
1737: while (i < currentform.login.length) {
1738: if (currentform.login[i].value == newvalue) { break; }
1739: i++;
1740: }
1741: if (i == currentform.login.length) {
1742: return;
1743: }
1744: current.radiovalue = newvalue;
1745: currentform.login[i].checked = true;
1746: return;
1747: }
1748: END
1749: return $result;
1750: }
1751:
1752: sub authform_authorwarning{
1753: my $result='';
1.144 matthew 1754: $result='<i>'.
1755: &mt('As a general rule, only authors or co-authors should be '.
1756: 'filesystem authenticated '.
1757: '(which allows access to the server filesystem).')."</i>\n";
1.32 matthew 1758: return $result;
1759: }
1760:
1761: sub authform_nochange{
1762: my %in = (
1763: formname => 'document.cu',
1764: kerb_def_dom => 'MSU.EDU',
1765: @_,
1766: );
1.281 albertel 1767: my $result = '<label>'.&mt('[_1] Do not change login data',
1.144 matthew 1768: '<input type="radio" name="login" value="nochange" '.
1769: 'checked="checked" onclick="'.
1.281 albertel 1770: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
1771: '</label>';
1.32 matthew 1772: return $result;
1773: }
1774:
1775: sub authform_kerberos{
1776: my %in = (
1777: formname => 'document.cu',
1778: kerb_def_dom => 'MSU.EDU',
1.80 albertel 1779: kerb_def_auth => 'krb4',
1.32 matthew 1780: @_,
1781: );
1.165 raeburn 1782: my ($check4,$check5,$krbarg);
1.80 albertel 1783: if ($in{'kerb_def_auth'} eq 'krb5') {
1784: $check5 = " checked=\"on\"";
1785: } else {
1786: $check4 = " checked=\"on\"";
1787: }
1.165 raeburn 1788: $krbarg = $in{'kerb_def_dom'};
1789:
1790: my $krbcheck = "";
1791: if ( grep/^curr_authtype$/,(keys %in) ) {
1792: if ($in{'curr_authtype'} =~ m/^krb/) {
1793: $krbcheck = " checked=\"on\"";
1794: if ( grep/^curr_autharg$/,(keys %in) ) {
1795: $krbarg = $in{'curr_autharg'};
1796: }
1797: }
1798: }
1799:
1.144 matthew 1800: my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
1801: my $result .= &mt
1802: ('[_1] Kerberos authenticated with domain [_2] '.
1.281 albertel 1803: '[_3] Version 4 [_4] Version 5 [_5]',
1804: '<label><input type="radio" name="login" value="krb" '.
1.165 raeburn 1805: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.$krbcheck.' />',
1.281 albertel 1806: '</label><input type="text" size="10" name="krbarg" '.
1.165 raeburn 1807: 'value="'.$krbarg.'" '.
1.144 matthew 1808: 'onchange="'.$jscall.'" />',
1.281 albertel 1809: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
1810: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
1811: '</label>');
1.32 matthew 1812: return $result;
1813: }
1814:
1815: sub authform_internal{
1816: my %args = (
1817: formname => 'document.cu',
1818: kerb_def_dom => 'MSU.EDU',
1819: @_,
1820: );
1.165 raeburn 1821:
1822: my $intcheck = "";
1823: my $intarg = 'value=""';
1824: if ( grep/^curr_authtype$/,(keys %args) ) {
1825: if ($args{'curr_authtype'} eq 'int') {
1826: $intcheck = " checked=\"on\"";
1827: if ( grep/^curr_autharg$/,(keys %args) ) {
1828: $intarg = "value=\"$args{'curr_autharg'}\"";
1829: }
1830: }
1831: }
1832:
1.144 matthew 1833: my $jscall = "javascript:changed_radio('int',$args{'formname'});";
1834: my $result.=&mt
1835: ('[_1] Internally authenticated (with initial password [_2])',
1.281 albertel 1836: '<label><input type="radio" name="login" value="int" '.$intcheck.
1.165 raeburn 1837: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1838: '</label><input type="text" size="10" name="intarg" '.$intarg.
1.165 raeburn 1839: ' onchange="'.$jscall.'" />');
1.32 matthew 1840: return $result;
1841: }
1842:
1843: sub authform_local{
1844: my %in = (
1845: formname => 'document.cu',
1846: kerb_def_dom => 'MSU.EDU',
1847: @_,
1848: );
1.165 raeburn 1849:
1850: my $loccheck = "";
1851: my $locarg = 'value=""';
1852: if ( grep/^curr_authtype$/,(keys %in) ) {
1853: if ($in{'curr_authtype'} eq 'loc') {
1854: $loccheck = " checked=\"on\"";
1855: if ( grep/^curr_autharg$/,(keys %in) ) {
1856: $locarg = "value=\"$in{'curr_autharg'}\"";
1857: }
1858: }
1859: }
1860:
1.144 matthew 1861: my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
1.160 matthew 1862: my $result.=&mt('[_1] Local Authentication with argument [_2]',
1.281 albertel 1863: '<label><input type="radio" name="login" value="loc" '.$loccheck.
1.165 raeburn 1864: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1865: '</label><input type="text" size="10" name="locarg" '.$locarg.
1.165 raeburn 1866: ' onchange="'.$jscall.'" />');
1.32 matthew 1867: return $result;
1868: }
1869:
1870: sub authform_filesystem{
1871: my %in = (
1872: formname => 'document.cu',
1873: kerb_def_dom => 'MSU.EDU',
1874: @_,
1875: );
1.144 matthew 1876: my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
1877: my $result.= &mt
1878: ('[_1] Filesystem Authenticated (with initial password [_2])',
1.281 albertel 1879: '<label><input type="radio" name="login" value="fsys" '.
1.144 matthew 1880: 'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
1.281 albertel 1881: '</label><input type="text" size="10" name="fsysarg" value="" '.
1.144 matthew 1882: 'onchange="'.$jscall.'" />');
1.32 matthew 1883: return $result;
1884: }
1885:
1.80 albertel 1886: ###############################################################
1887: ## Get Authentication Defaults for Domain ##
1888: ###############################################################
1889:
1890: =pod
1891:
1.112 bowersj2 1892: =head1 Domains and Authentication
1893:
1894: Returns default authentication type and an associated argument as
1895: listed in file 'domain.tab'.
1896:
1897: =over 4
1898:
1899: =item * get_auth_defaults
1.80 albertel 1900:
1901: get_auth_defaults($target_domain) returns the default authentication
1902: type and an associated argument (initial password or a kerberos domain).
1903: These values are stored in lonTabs/domain.tab
1904:
1905: ($def_auth, $def_arg) = &get_auth_defaults($target_domain);
1906:
1907: If target_domain is not found in domain.tab, returns nothing ('').
1908:
1909: =cut
1910:
1911: #-------------------------------------------
1912: sub get_auth_defaults {
1913: my $domain=shift;
1914: return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
1915: }
1916: ###############################################################
1917: ## End Get Authentication Defaults for Domain ##
1918: ###############################################################
1919:
1920: ###############################################################
1921: ## Get Kerberos Defaults for Domain ##
1922: ###############################################################
1923: ##
1924: ## Returns default kerberos version and an associated argument
1925: ## as listed in file domain.tab. If not listed, provides
1926: ## appropriate default domain and kerberos version.
1927: ##
1928: #-------------------------------------------
1929:
1930: =pod
1931:
1.112 bowersj2 1932: =item * get_kerberos_defaults
1.80 albertel 1933:
1934: get_kerberos_defaults($target_domain) returns the default kerberos
1935: version and domain. If not found in domain.tabs, it defaults to
1936: version 4 and the domain of the server.
1937:
1938: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
1939:
1940: =cut
1941:
1942: #-------------------------------------------
1943: sub get_kerberos_defaults {
1944: my $domain=shift;
1945: my ($krbdef,$krbdefdom) =
1946: &Apache::loncommon::get_auth_defaults($domain);
1947: unless ($krbdef =~/^krb/ && $krbdefdom) {
1948: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1949: my $krbdefdom=$1;
1950: $krbdefdom=~tr/a-z/A-Z/;
1951: $krbdef = "krb4";
1952: }
1953: return ($krbdef,$krbdefdom);
1954: }
1.112 bowersj2 1955:
1956: =pod
1957:
1958: =back
1959:
1960: =cut
1.32 matthew 1961:
1.46 matthew 1962: ###############################################################
1963: ## Thesaurus Functions ##
1964: ###############################################################
1.20 www 1965:
1.46 matthew 1966: =pod
1.20 www 1967:
1.112 bowersj2 1968: =head1 Thesaurus Functions
1969:
1970: =over 4
1971:
1972: =item * initialize_keywords
1.46 matthew 1973:
1974: Initializes the package variable %Keywords if it is empty. Uses the
1975: package variable $thesaurus_db_file.
1976:
1977: =cut
1978:
1979: ###################################################
1980:
1981: sub initialize_keywords {
1982: return 1 if (scalar keys(%Keywords));
1983: # If we are here, %Keywords is empty, so fill it up
1984: # Make sure the file we need exists...
1985: if (! -e $thesaurus_db_file) {
1986: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
1987: " failed because it does not exist");
1988: return 0;
1989: }
1990: # Set up the hash as a database
1991: my %thesaurus_db;
1992: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 1993: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 1994: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
1995: $thesaurus_db_file);
1996: return 0;
1997: }
1998: # Get the average number of appearances of a word.
1999: my $avecount = $thesaurus_db{'average.count'};
2000: # Put keywords (those that appear > average) into %Keywords
2001: while (my ($word,$data)=each (%thesaurus_db)) {
2002: my ($count,undef) = split /:/,$data;
2003: $Keywords{$word}++ if ($count > $avecount);
2004: }
2005: untie %thesaurus_db;
2006: # Remove special values from %Keywords.
1.356 albertel 2007: foreach my $value ('total.count','average.count') {
2008: delete($Keywords{$value}) if (exists($Keywords{$value}));
1.46 matthew 2009: }
2010: return 1;
2011: }
2012:
2013: ###################################################
2014:
2015: =pod
2016:
1.112 bowersj2 2017: =item * keyword($word)
1.46 matthew 2018:
2019: Returns true if $word is a keyword. A keyword is a word that appears more
2020: than the average number of times in the thesaurus database. Calls
2021: &initialize_keywords
2022:
2023: =cut
2024:
2025: ###################################################
1.20 www 2026:
2027: sub keyword {
1.46 matthew 2028: return if (!&initialize_keywords());
2029: my $word=lc(shift());
2030: $word=~s/\W//g;
2031: return exists($Keywords{$word});
1.20 www 2032: }
1.46 matthew 2033:
2034: ###############################################################
2035:
2036: =pod
1.20 www 2037:
1.112 bowersj2 2038: =item * get_related_words
1.46 matthew 2039:
1.160 matthew 2040: Look up a word in the thesaurus. Takes a scalar argument and returns
1.46 matthew 2041: an array of words. If the keyword is not in the thesaurus, an empty array
2042: will be returned. The order of the words returned is determined by the
2043: database which holds them.
2044:
2045: Uses global $thesaurus_db_file.
2046:
2047: =cut
2048:
2049: ###############################################################
2050: sub get_related_words {
2051: my $keyword = shift;
2052: my %thesaurus_db;
2053: if (! -e $thesaurus_db_file) {
2054: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2055: "failed because the file does not exist");
2056: return ();
2057: }
2058: if (! tie(%thesaurus_db,'GDBM_File',
1.53 albertel 2059: $thesaurus_db_file,&GDBM_READER(),0640)){
1.46 matthew 2060: return ();
2061: }
2062: my @Words=();
1.429 www 2063: my $count=0;
1.46 matthew 2064: if (exists($thesaurus_db{$keyword})) {
1.356 albertel 2065: # The first element is the number of times
2066: # the word appears. We do not need it now.
1.429 www 2067: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2068: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2069: my $threshold=$mostfrequentcount/10;
2070: foreach my $possibleword (@RelatedWords) {
2071: my ($word,$wordcount)=split(/\,/,$possibleword);
2072: if ($wordcount>$threshold) {
2073: push(@Words,$word);
2074: $count++;
2075: if ($count>10) { last; }
2076: }
1.20 www 2077: }
2078: }
1.46 matthew 2079: untie %thesaurus_db;
2080: return @Words;
1.14 harris41 2081: }
1.46 matthew 2082:
1.112 bowersj2 2083: =pod
2084:
2085: =back
2086:
2087: =cut
1.61 www 2088:
2089: # -------------------------------------------------------------- Plaintext name
1.81 albertel 2090: =pod
2091:
1.112 bowersj2 2092: =head1 User Name Functions
2093:
2094: =over 4
2095:
1.226 albertel 2096: =item * plainname($uname,$udom,$first)
1.81 albertel 2097:
1.112 bowersj2 2098: Takes a users logon name and returns it as a string in
1.226 albertel 2099: "first middle last generation" form
2100: if $first is set to 'lastname' then it returns it as
2101: 'lastname generation, firstname middlename' if their is a lastname
1.81 albertel 2102:
2103: =cut
1.61 www 2104:
1.295 www 2105:
1.81 albertel 2106: ###############################################################
1.61 www 2107: sub plainname {
1.226 albertel 2108: my ($uname,$udom,$first)=@_;
1.295 www 2109: my %names=&getnames($uname,$udom);
1.226 albertel 2110: my $name=&Apache::lonnet::format_name($names{'firstname'},
2111: $names{'middlename'},
2112: $names{'lastname'},
2113: $names{'generation'},$first);
2114: $name=~s/^\s+//;
1.62 www 2115: $name=~s/\s+$//;
2116: $name=~s/\s+/ /g;
1.353 albertel 2117: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
1.62 www 2118: return $name;
1.61 www 2119: }
1.66 www 2120:
2121: # -------------------------------------------------------------------- Nickname
1.81 albertel 2122: =pod
2123:
1.112 bowersj2 2124: =item * nickname($uname,$udom)
1.81 albertel 2125:
2126: Gets a users name and returns it as a string as
2127:
2128: ""nickname""
1.66 www 2129:
1.81 albertel 2130: if the user has a nickname or
2131:
2132: "first middle last generation"
2133:
2134: if the user does not
2135:
2136: =cut
1.66 www 2137:
2138: sub nickname {
2139: my ($uname,$udom)=@_;
1.295 www 2140: my %names=&getnames($uname,$udom);
1.68 albertel 2141: my $name=$names{'nickname'};
1.66 www 2142: if ($name) {
2143: $name='"'.$name.'"';
2144: } else {
2145: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2146: $names{'lastname'}.' '.$names{'generation'};
2147: $name=~s/\s+$//;
2148: $name=~s/\s+/ /g;
2149: }
2150: return $name;
2151: }
2152:
1.295 www 2153: sub getnames {
2154: my ($uname,$udom)=@_;
1.433 albertel 2155: if ($udom eq 'public' && $uname eq 'public') {
2156: return ('lastname' => &mt('Public'));
2157: }
1.295 www 2158: my $id=$uname.':'.$udom;
2159: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2160: if ($cached) {
2161: return %{$names};
2162: } else {
2163: my %loadnames=&Apache::lonnet::get('environment',
2164: ['firstname','middlename','lastname','generation','nickname'],
2165: $udom,$uname);
2166: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2167: return %loadnames;
2168: }
2169: }
1.61 www 2170:
1.466 albertel 2171: sub getemails {
2172: my ($uname,$udom)=@_;
2173: if ($udom eq 'public' && $uname eq 'public') {
2174: return;
2175: }
1.467 www 2176: if (!$udom) { $udom=$env{'user.domain'}; }
2177: if (!$uname) { $uname=$env{'user.name'}; }
1.466 albertel 2178: my $id=$uname.':'.$udom;
2179: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2180: if ($cached) {
2181: return %{$names};
2182: } else {
2183: my %loadnames=&Apache::lonnet::get('environment',
2184: ['notification','critnotification',
2185: 'permanentemail'],
2186: $udom,$uname);
2187: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2188: return %loadnames;
2189: }
2190: }
2191:
1.61 www 2192: # ------------------------------------------------------------------ Screenname
1.81 albertel 2193:
2194: =pod
2195:
1.112 bowersj2 2196: =item * screenname($uname,$udom)
1.81 albertel 2197:
2198: Gets a users screenname and returns it as a string
2199:
2200: =cut
1.61 www 2201:
2202: sub screenname {
2203: my ($uname,$udom)=@_;
1.258 albertel 2204: if ($uname eq $env{'user.name'} &&
2205: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
1.212 albertel 2206: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
1.68 albertel 2207: return $names{'screenname'};
1.62 www 2208: }
2209:
1.212 albertel 2210:
1.62 www 2211: # ------------------------------------------------------------- Message Wrapper
2212:
2213: sub messagewrapper {
1.369 www 2214: my ($link,$username,$domain,$subject,$text)=@_;
1.62 www 2215: return
1.441 albertel 2216: '<a href="/adm/email?compose=individual&'.
2217: 'recname='.$username.'&recdom='.$domain.
2218: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
1.200 matthew 2219: 'title="'.&mt('Send message').'">'.$link.'</a>';
1.74 www 2220: }
2221: # --------------------------------------------------------------- Notes Wrapper
2222:
2223: sub noteswrapper {
2224: my ($link,$un,$do)=@_;
2225: return
2226: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
1.62 www 2227: }
2228: # ------------------------------------------------------------- Aboutme Wrapper
2229:
2230: sub aboutmewrapper {
1.166 www 2231: my ($link,$username,$domain,$target)=@_;
1.447 raeburn 2232: if (!defined($username) && !defined($domain)) {
2233: return;
2234: }
1.205 www 2235: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
1.454 banghart 2236: ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.'</a>';
1.62 www 2237: }
2238:
2239: # ------------------------------------------------------------ Syllabus Wrapper
2240:
2241:
2242: sub syllabuswrapper {
1.109 matthew 2243: my ($linktext,$coursedir,$domain,$fontcolor)=@_;
2244: if ($fontcolor) {
2245: $linktext='<font color="'.$fontcolor.'">'.$linktext.'</font>';
2246: }
1.208 matthew 2247: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
1.61 www 2248: }
1.14 harris41 2249:
1.208 matthew 2250: sub track_student_link {
1.268 albertel 2251: my ($linktext,$sname,$sdom,$target,$start) = @_;
2252: my $link ="/adm/trackstudent?";
1.208 matthew 2253: my $title = 'View recent activity';
2254: if (defined($sname) && $sname !~ /^\s*$/ &&
2255: defined($sdom) && $sdom !~ /^\s*$/) {
1.268 albertel 2256: $link .= "selected_student=$sname:$sdom";
1.208 matthew 2257: $title .= ' of this student';
1.268 albertel 2258: }
1.208 matthew 2259: if (defined($target) && $target !~ /^\s*$/) {
2260: $target = qq{target="$target"};
2261: } else {
2262: $target = '';
2263: }
1.268 albertel 2264: if ($start) { $link.='&start='.$start; }
1.448 albertel 2265:
2266: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2267: &help_open_topic('View_recent_activity');
1.208 matthew 2268: }
2269:
1.508 ! www 2270: # ===================================================== Display a student photo
! 2271:
! 2272:
! 2273: sub studentimagetag {
! 2274: my ($domain,$user)=@_;
! 2275: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
! 2276: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
! 2277: return '<img src="'.$imgsrc.'" align="right" />';
! 2278: } else {
! 2279: return '';
! 2280: }
! 2281: }
! 2282:
1.112 bowersj2 2283: =pod
2284:
2285: =back
2286:
2287: =head1 Access .tab File Data
2288:
2289: =over 4
2290:
2291: =item * languageids()
2292:
2293: returns list of all language ids
2294:
2295: =cut
2296:
1.14 harris41 2297: sub languageids {
1.16 harris41 2298: return sort(keys(%language));
1.14 harris41 2299: }
2300:
1.112 bowersj2 2301: =pod
2302:
2303: =item * languagedescription()
2304:
2305: returns description of a specified language id
2306:
2307: =cut
2308:
1.14 harris41 2309: sub languagedescription {
1.125 www 2310: my $code=shift;
2311: return ($supported_language{$code}?'* ':'').
2312: $language{$code}.
1.126 www 2313: ($supported_language{$code}?' ('.&mt('interface available').')':'');
1.145 www 2314: }
2315:
2316: sub plainlanguagedescription {
2317: my $code=shift;
2318: return $language{$code};
2319: }
2320:
2321: sub supportedlanguagecode {
2322: my $code=shift;
2323: return $supported_language{$code};
1.97 www 2324: }
2325:
1.112 bowersj2 2326: =pod
2327:
2328: =item * copyrightids()
2329:
2330: returns list of all copyrights
2331:
2332: =cut
2333:
2334: sub copyrightids {
2335: return sort(keys(%cprtag));
2336: }
2337:
2338: =pod
2339:
2340: =item * copyrightdescription()
2341:
2342: returns description of a specified copyright id
2343:
2344: =cut
2345:
2346: sub copyrightdescription {
1.166 www 2347: return &mt($cprtag{shift(@_)});
1.112 bowersj2 2348: }
1.197 matthew 2349:
2350: =pod
2351:
1.192 taceyjo1 2352: =item * source_copyrightids()
2353:
2354: returns list of all source copyrights
2355:
2356: =cut
2357:
2358: sub source_copyrightids {
2359: return sort(keys(%scprtag));
2360: }
2361:
2362: =pod
2363:
2364: =item * source_copyrightdescription()
2365:
2366: returns description of a specified source copyright id
2367:
2368: =cut
2369:
2370: sub source_copyrightdescription {
2371: return &mt($scprtag{shift(@_)});
2372: }
1.112 bowersj2 2373:
2374: =pod
2375:
2376: =item * filecategories()
2377:
2378: returns list of all file categories
2379:
2380: =cut
2381:
2382: sub filecategories {
2383: return sort(keys(%category_extensions));
2384: }
2385:
2386: =pod
2387:
2388: =item * filecategorytypes()
2389:
2390: returns list of file types belonging to a given file
2391: category
2392:
2393: =cut
2394:
2395: sub filecategorytypes {
1.356 albertel 2396: my ($cat) = @_;
2397: return @{$category_extensions{lc($cat)}};
1.112 bowersj2 2398: }
2399:
2400: =pod
2401:
2402: =item * fileembstyle()
2403:
2404: returns embedding style for a specified file type
2405:
2406: =cut
2407:
2408: sub fileembstyle {
2409: return $fe{lc(shift(@_))};
1.169 www 2410: }
2411:
1.351 www 2412: sub filemimetype {
2413: return $fm{lc(shift(@_))};
2414: }
2415:
1.169 www 2416:
2417: sub filecategoryselect {
2418: my ($name,$value)=@_;
1.189 matthew 2419: return &select_form($value,$name,
1.169 www 2420: '' => &mt('Any category'),
2421: map { $_,$_ } sort(keys(%category_extensions)));
1.112 bowersj2 2422: }
2423:
2424: =pod
2425:
2426: =item * filedescription()
2427:
2428: returns description for a specified file type
2429:
2430: =cut
2431:
2432: sub filedescription {
1.188 matthew 2433: my $file_description = $fd{lc(shift())};
2434: $file_description =~ s:([\[\]]):~$1:g;
2435: return &mt($file_description);
1.112 bowersj2 2436: }
2437:
2438: =pod
2439:
2440: =item * filedescriptionex()
2441:
2442: returns description for a specified file type with
2443: extra formatting
2444:
2445: =cut
2446:
2447: sub filedescriptionex {
2448: my $ex=shift;
1.188 matthew 2449: my $file_description = $fd{lc($ex)};
2450: $file_description =~ s:([\[\]]):~$1:g;
2451: return '.'.$ex.' '.&mt($file_description);
1.112 bowersj2 2452: }
2453:
2454: # End of .tab access
2455: =pod
2456:
2457: =back
2458:
2459: =cut
2460:
2461: # ------------------------------------------------------------------ File Types
2462: sub fileextensions {
2463: return sort(keys(%fe));
2464: }
2465:
1.97 www 2466: # ----------------------------------------------------------- Display Languages
2467: # returns a hash with all desired display languages
2468: #
2469:
2470: sub display_languages {
2471: my %languages=();
1.356 albertel 2472: foreach my $lang (&preferred_languages()) {
2473: $languages{$lang}=1;
1.97 www 2474: }
2475: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
1.258 albertel 2476: if ($env{'form.displaylanguage'}) {
1.356 albertel 2477: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
2478: $languages{$lang}=1;
1.97 www 2479: }
2480: }
2481: return %languages;
1.14 harris41 2482: }
2483:
1.117 www 2484: sub preferred_languages {
2485: my @languages=();
1.258 albertel 2486: if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {
1.117 www 2487: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
1.258 albertel 2488: $env{'course.'.$env{'request.course.id'}.'.languages'}));
1.177 www 2489: }
1.258 albertel 2490: if ($env{'environment.languages'}) {
1.459 albertel 2491: @languages=(@languages,
2492: split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));
1.118 www 2493: }
1.162 www 2494: my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
2495: if ($browser) {
2496: @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
2497: }
1.258 albertel 2498: if ($Apache::lonnet::domain_lang_def{$env{'user.domain'}}) {
1.118 www 2499: @languages=(@languages,
1.258 albertel 2500: $Apache::lonnet::domain_lang_def{$env{'user.domain'}});
1.118 www 2501: }
1.258 albertel 2502: if ($Apache::lonnet::domain_lang_def{$env{'request.role.domain'}}) {
1.118 www 2503: @languages=(@languages,
1.258 albertel 2504: $Apache::lonnet::domain_lang_def{$env{'request.role.domain'}});
1.118 www 2505: }
2506: if ($Apache::lonnet::domain_lang_def{
2507: $Apache::lonnet::perlvar{'lonDefDomain'}}) {
2508: @languages=(@languages,
2509: $Apache::lonnet::domain_lang_def{
2510: $Apache::lonnet::perlvar{'lonDefDomain'}});
2511: }
2512: # turn "en-ca" into "en-ca,en"
2513: my @genlanguages;
1.356 albertel 2514: foreach my $lang (@languages) {
2515: unless ($lang=~/\w/) { next; }
2516: push (@genlanguages,$lang);
2517: if ($lang=~/(\-|\_)/) {
2518: push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);
1.118 www 2519: }
2520: }
2521: return @genlanguages;
1.117 www 2522: }
2523:
1.112 bowersj2 2524: ###############################################################
2525: ## Student Answer Attempts ##
2526: ###############################################################
2527:
2528: =pod
2529:
2530: =head1 Alternate Problem Views
2531:
2532: =over 4
2533:
2534: =item * get_previous_attempt($symb, $username, $domain, $course,
2535: $getattempt, $regexp, $gradesub)
2536:
2537: Return string with previous attempt on problem. Arguments:
2538:
2539: =over 4
2540:
2541: =item * $symb: Problem, including path
2542:
2543: =item * $username: username of the desired student
2544:
2545: =item * $domain: domain of the desired student
1.14 harris41 2546:
1.112 bowersj2 2547: =item * $course: Course ID
1.14 harris41 2548:
1.112 bowersj2 2549: =item * $getattempt: Leave blank for all attempts, otherwise put
2550: something
1.14 harris41 2551:
1.112 bowersj2 2552: =item * $regexp: if string matches this regexp, the string will be
2553: sent to $gradesub
1.14 harris41 2554:
1.112 bowersj2 2555: =item * $gradesub: routine that processes the string if it matches $regexp
1.14 harris41 2556:
1.112 bowersj2 2557: =back
1.14 harris41 2558:
1.112 bowersj2 2559: The output string is a table containing all desired attempts, if any.
1.16 harris41 2560:
1.112 bowersj2 2561: =cut
1.1 albertel 2562:
2563: sub get_previous_attempt {
1.43 ng 2564: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
1.1 albertel 2565: my $prevattempts='';
1.43 ng 2566: no strict 'refs';
1.1 albertel 2567: if ($symb) {
1.3 albertel 2568: my (%returnhash)=
2569: &Apache::lonnet::restore($symb,$course,$domain,$username);
1.1 albertel 2570: if ($returnhash{'version'}) {
2571: my %lasthash=();
2572: my $version;
2573: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.356 albertel 2574: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
2575: $lasthash{$key}=$returnhash{$version.':'.$key};
1.19 harris41 2576: }
1.1 albertel 2577: }
1.43 ng 2578: $prevattempts='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.40 ng 2579: $prevattempts.='<table border="0" width="100%"><tr bgcolor="#e6ffff"><td>History</td>';
1.356 albertel 2580: foreach my $key (sort(keys(%lasthash))) {
2581: my ($ign,@parts) = split(/\./,$key);
1.41 ng 2582: if ($#parts > 0) {
1.31 albertel 2583: my $data=$parts[-1];
2584: pop(@parts);
1.40 ng 2585: $prevattempts.='<td>Part '.join('.',@parts).'<br />'.$data.' </td>';
1.31 albertel 2586: } else {
1.41 ng 2587: if ($#parts == 0) {
2588: $prevattempts.='<th>'.$parts[0].'</th>';
2589: } else {
2590: $prevattempts.='<th>'.$ign.'</th>';
2591: }
1.31 albertel 2592: }
1.16 harris41 2593: }
1.40 ng 2594: if ($getattempt eq '') {
2595: for ($version=1;$version<=$returnhash{'version'};$version++) {
2596: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Transaction '.$version.'</td>';
1.356 albertel 2597: foreach my $key (sort(keys(%lasthash))) {
1.40 ng 2598: my $value;
1.356 albertel 2599: if ($key =~ /timestamp/) {
2600: $value=scalar(localtime($returnhash{$version.':'.$key}));
1.40 ng 2601: } else {
1.356 albertel 2602: $value=$returnhash{$version.':'.$key};
1.40 ng 2603: }
1.369 www 2604: $prevattempts.='<td>'.&unescape($value).' </td>';
1.40 ng 2605: }
2606: }
1.1 albertel 2607: }
1.40 ng 2608: $prevattempts.='</tr><tr bgcolor="#ffffe6"><td>Current</td>';
1.356 albertel 2609: foreach my $key (sort(keys(%lasthash))) {
1.5 albertel 2610: my $value;
1.356 albertel 2611: if ($key =~ /timestamp/) {
2612: $value=scalar(localtime($lasthash{$key}));
1.5 albertel 2613: } else {
1.356 albertel 2614: $value=$lasthash{$key};
1.5 albertel 2615: }
1.369 www 2616: $value=&unescape($value);
1.356 albertel 2617: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
1.40 ng 2618: $prevattempts.='<td>'.$value.' </td>';
1.16 harris41 2619: }
1.40 ng 2620: $prevattempts.='</tr></table></td></tr></table>';
1.1 albertel 2621: } else {
2622: $prevattempts='Nothing submitted - no attempts.';
2623: }
2624: } else {
2625: $prevattempts='No data.';
2626: }
1.10 albertel 2627: }
2628:
1.107 albertel 2629: sub relative_to_absolute {
2630: my ($url,$output)=@_;
2631: my $parser=HTML::TokeParser->new(\$output);
2632: my $token;
2633: my $thisdir=$url;
2634: my @rlinks=();
2635: while ($token=$parser->get_token) {
2636: if ($token->[0] eq 'S') {
2637: if ($token->[1] eq 'a') {
2638: if ($token->[2]->{'href'}) {
2639: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
2640: }
2641: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
2642: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
2643: } elsif ($token->[1] eq 'base') {
2644: $thisdir=$token->[2]->{'href'};
2645: }
2646: }
2647: }
2648: $thisdir=~s-/[^/]*$--;
1.356 albertel 2649: foreach my $link (@rlinks) {
2650: unless (($link=~/^http:\/\//i) ||
2651: ($link=~/^\//) ||
2652: ($link=~/^javascript:/i) ||
2653: ($link=~/^mailto:/i) ||
2654: ($link=~/^\#/)) {
2655: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
2656: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
1.107 albertel 2657: }
2658: }
2659: # -------------------------------------------------- Deal with Applet codebases
2660: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
2661: return $output;
2662: }
2663:
1.112 bowersj2 2664: =pod
2665:
2666: =item * get_student_view
2667:
2668: show a snapshot of what student was looking at
2669:
2670: =cut
2671:
1.10 albertel 2672: sub get_student_view {
1.186 albertel 2673: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
1.114 www 2674: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2675: my (%form);
1.10 albertel 2676: my @elements=('symb','courseid','domain','username');
2677: foreach my $element (@elements) {
1.186 albertel 2678: $form{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2679: }
1.186 albertel 2680: if (defined($moreenv)) {
2681: %form=(%form,%{$moreenv});
2682: }
1.236 albertel 2683: if (defined($target)) { $form{'grade_target'} = $target; }
1.107 albertel 2684: $feedurl=&Apache::lonnet::clutter($feedurl);
1.186 albertel 2685: my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
1.11 albertel 2686: $userview=~s/\<body[^\>]*\>//gi;
2687: $userview=~s/\<\/body\>//gi;
2688: $userview=~s/\<html\>//gi;
2689: $userview=~s/\<\/html\>//gi;
2690: $userview=~s/\<head\>//gi;
2691: $userview=~s/\<\/head\>//gi;
2692: $userview=~s/action\s*\=/would_be_action\=/gi;
1.107 albertel 2693: $userview=&relative_to_absolute($feedurl,$userview);
1.11 albertel 2694: return $userview;
2695: }
2696:
1.112 bowersj2 2697: =pod
2698:
2699: =item * get_student_answers()
2700:
2701: show a snapshot of how student was answering problem
2702:
2703: =cut
2704:
1.11 albertel 2705: sub get_student_answers {
1.100 sakharuk 2706: my ($symb,$username,$domain,$courseid,%form) = @_;
1.114 www 2707: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
1.186 albertel 2708: my (%moreenv);
1.11 albertel 2709: my @elements=('symb','courseid','domain','username');
2710: foreach my $element (@elements) {
1.186 albertel 2711: $moreenv{'grade_'.$element}=eval '$'.$element #'
1.10 albertel 2712: }
1.186 albertel 2713: $moreenv{'grade_target'}='answer';
2714: %moreenv=(%form,%moreenv);
1.497 raeburn 2715: $feedurl = &Apache::lonnet::clutter($feedurl);
2716: &Apache::lonenc::check_encrypt(\$feedurl);
2717: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
1.10 albertel 2718: return $userview;
1.1 albertel 2719: }
1.116 albertel 2720:
2721: =pod
2722:
2723: =item * &submlink()
2724:
1.242 albertel 2725: Inputs: $text $uname $udom $symb $target
1.116 albertel 2726:
2727: Returns: A link to grades.pm such as to see the SUBM view of a student
2728:
2729: =cut
2730:
2731: ###############################################
2732: sub submlink {
1.242 albertel 2733: my ($text,$uname,$udom,$symb,$target)=@_;
1.116 albertel 2734: if (!($uname && $udom)) {
2735: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2736: &Apache::lonnet::whichuser($symb);
1.116 albertel 2737: if (!$symb) { $symb=$cursymb; }
2738: }
1.254 matthew 2739: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2740: $symb=&escape($symb);
1.242 albertel 2741: if ($target) { $target="target=\"$target\""; }
2742: return '<a href="/adm/grades?&command=submission&'.
2743: 'symb='.$symb.'&student='.$uname.
2744: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
2745: }
2746: ##############################################
2747:
2748: =pod
2749:
2750: =item * &pgrdlink()
2751:
2752: Inputs: $text $uname $udom $symb $target
2753:
2754: Returns: A link to grades.pm such as to see the PGRD view of a student
2755:
2756: =cut
2757:
2758: ###############################################
2759: sub pgrdlink {
2760: my $link=&submlink(@_);
2761: $link=~s/(&command=submission)/$1&showgrading=yes/;
2762: return $link;
2763: }
2764: ##############################################
2765:
2766: =pod
2767:
2768: =item * &pprmlink()
2769:
2770: Inputs: $text $uname $udom $symb $target
2771:
2772: Returns: A link to parmset.pm such as to see the PPRM view of a
1.283 albertel 2773: student and a specific resource
1.242 albertel 2774:
2775: =cut
2776:
2777: ###############################################
2778: sub pprmlink {
2779: my ($text,$uname,$udom,$symb,$target)=@_;
2780: if (!($uname && $udom)) {
2781: (my $cursymb, my $courseid,$udom,$uname)=
1.463 albertel 2782: &Apache::lonnet::whichuser($symb);
1.242 albertel 2783: if (!$symb) { $symb=$cursymb; }
2784: }
1.254 matthew 2785: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
1.369 www 2786: $symb=&escape($symb);
1.242 albertel 2787: if ($target) { $target="target=\"$target\""; }
2788: return '<a href="/adm/parmset?&command=set&'.
2789: 'symb='.$symb.'&uname='.$uname.
2790: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
1.116 albertel 2791: }
2792: ##############################################
1.37 matthew 2793:
1.112 bowersj2 2794: =pod
2795:
2796: =back
2797:
2798: =cut
2799:
1.37 matthew 2800: ###############################################
1.51 www 2801:
2802:
2803: sub timehash {
2804: my @ltime=localtime(shift);
2805: return ( 'seconds' => $ltime[0],
2806: 'minutes' => $ltime[1],
2807: 'hours' => $ltime[2],
2808: 'day' => $ltime[3],
2809: 'month' => $ltime[4]+1,
2810: 'year' => $ltime[5]+1900,
2811: 'weekday' => $ltime[6],
2812: 'dayyear' => $ltime[7]+1,
2813: 'dlsav' => $ltime[8] );
2814: }
2815:
1.370 www 2816: sub utc_string {
2817: my ($date)=@_;
1.371 www 2818: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
1.370 www 2819: }
2820:
1.51 www 2821: sub maketime {
2822: my %th=@_;
2823: return POSIX::mktime(
2824: ($th{'seconds'},$th{'minutes'},$th{'hours'},
1.210 www 2825: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
1.70 www 2826: }
2827:
2828: #########################################
1.51 www 2829:
2830: sub findallcourses {
1.482 raeburn 2831: my ($roles,$uname,$udom) = @_;
1.355 albertel 2832: my %roles;
2833: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
1.348 albertel 2834: my %courses;
1.51 www 2835: my $now=time;
1.482 raeburn 2836: if (!defined($uname)) {
2837: $uname = $env{'user.name'};
2838: }
2839: if (!defined($udom)) {
2840: $udom = $env{'user.domain'};
2841: }
2842: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
2843: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
2844: if (!%roles) {
2845: %roles = (
2846: cc => 1,
2847: in => 1,
2848: ep => 1,
2849: ta => 1,
2850: cr => 1,
2851: st => 1,
2852: );
2853: }
2854: foreach my $entry (keys(%roleshash)) {
2855: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
2856: if ($trole =~ /^cr/) {
2857: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
2858: } else {
2859: next if (!exists($roles{$trole}));
2860: }
2861: if ($tend) {
2862: next if ($tend < $now);
2863: }
2864: if ($tstart) {
2865: next if ($tstart > $now);
2866: }
2867: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
2868: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
2869: if ($secpart eq '') {
2870: ($cnum,$role) = split(/_/,$cnumpart);
2871: $sec = 'none';
2872: $realsec = '';
2873: } else {
2874: $cnum = $cnumpart;
2875: ($sec,$role) = split(/_/,$secpart);
2876: $realsec = $sec;
1.490 raeburn 2877: }
1.482 raeburn 2878: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
2879: }
2880: } else {
2881: foreach my $key (keys(%env)) {
1.483 albertel 2882: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
2883: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
1.482 raeburn 2884: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
2885: next if ($role eq 'ca' || $role eq 'aa');
2886: next if (%roles && !exists($roles{$role}));
2887: my ($starttime,$endtime)=split(/\./,$env{$key});
2888: my $active=1;
2889: if ($starttime) {
2890: if ($now<$starttime) { $active=0; }
2891: }
2892: if ($endtime) {
2893: if ($now>$endtime) { $active=0; }
2894: }
2895: if ($active) {
2896: if ($sec eq '') {
2897: $sec = 'none';
2898: }
2899: $courses{$cdom.'_'.$cnum}{$sec} =
2900: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
1.474 raeburn 2901: }
2902: }
1.51 www 2903: }
2904: }
1.474 raeburn 2905: return %courses;
1.51 www 2906: }
1.37 matthew 2907:
1.54 www 2908: ###############################################
1.474 raeburn 2909:
2910: sub blockcheck {
1.482 raeburn 2911: my ($setters,$activity,$uname,$udom) = @_;
1.490 raeburn 2912:
2913: if (!defined($udom)) {
2914: $udom = $env{'user.domain'};
2915: }
2916: if (!defined($uname)) {
2917: $uname = $env{'user.name'};
2918: }
2919:
2920: # If uname and udom are for a course, check for blocks in the course.
2921:
2922: if (&Apache::lonnet::is_course($udom,$uname)) {
2923: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
1.502 raeburn 2924: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
1.490 raeburn 2925: return ($startblock,$endblock);
2926: }
1.474 raeburn 2927:
1.502 raeburn 2928: my $startblock = 0;
2929: my $endblock = 0;
1.482 raeburn 2930: my %live_courses = &findallcourses(undef,$uname,$udom);
1.474 raeburn 2931:
1.490 raeburn 2932: # If uname is for a user, and activity is course-specific, i.e.,
2933: # boards, chat or groups, check for blocking in current course only.
1.474 raeburn 2934:
1.490 raeburn 2935: if (($activity eq 'boards' || $activity eq 'chat' ||
2936: $activity eq 'groups') && ($env{'request.course.id'})) {
2937: foreach my $key (keys(%live_courses)) {
2938: if ($key ne $env{'request.course.id'}) {
2939: delete($live_courses{$key});
2940: }
2941: }
2942: }
2943:
2944: my $otheruser = 0;
2945: my %own_courses;
2946: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
2947: # Resource belongs to user other than current user.
2948: $otheruser = 1;
2949: # Gather courses for current user
2950: %own_courses =
2951: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
2952: }
2953:
2954: # Gather active course roles - course coordinator, instructor,
2955: # exam proctor, ta, student, or custom role.
1.474 raeburn 2956:
2957: foreach my $course (keys(%live_courses)) {
1.482 raeburn 2958: my ($cdom,$cnum);
2959: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
2960: $cdom = $env{'course.'.$course.'.domain'};
2961: $cnum = $env{'course.'.$course.'.num'};
2962: } else {
1.490 raeburn 2963: ($cdom,$cnum) = split(/_/,$course);
1.482 raeburn 2964: }
2965: my $no_ownblock = 0;
2966: my $no_userblock = 0;
1.490 raeburn 2967: if ($otheruser) {
2968: # Check if current user has 'evb' priv for this
2969: if (defined($own_courses{$course})) {
2970: foreach my $sec (keys(%{$own_courses{$course}})) {
2971: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
2972: if ($sec ne 'none') {
2973: $checkrole .= '/'.$sec;
2974: }
2975: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
2976: $no_ownblock = 1;
2977: last;
2978: }
2979: }
2980: }
2981: # if they have 'evb' priv and are currently not playing student
2982: next if (($no_ownblock) &&
2983: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
2984: }
1.474 raeburn 2985: foreach my $sec (keys(%{$live_courses{$course}})) {
1.482 raeburn 2986: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
1.474 raeburn 2987: if ($sec ne 'none') {
1.482 raeburn 2988: $checkrole .= '/'.$sec;
1.474 raeburn 2989: }
1.490 raeburn 2990: if ($otheruser) {
2991: # Resource belongs to user other than current user.
2992: # Assemble privs for that user, and check for 'evb' priv.
1.482 raeburn 2993: my ($trole,$tdom,$tnum,$tsec);
2994: my $entry = $live_courses{$course}{$sec};
2995: if ($entry =~ /^cr/) {
2996: ($trole,$tdom,$tnum,$tsec) =
2997: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
2998: } else {
2999: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3000: }
3001: my ($spec,$area,$trest,%allroles,%userroles);
3002: $area = '/'.$tdom.'/'.$tnum;
3003: $trest = $tnum;
3004: if ($tsec ne '') {
3005: $area .= '/'.$tsec;
3006: $trest .= '/'.$tsec;
3007: }
3008: $spec = $trole.'.'.$area;
3009: if ($trole =~ /^cr/) {
3010: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3011: $tdom,$spec,$trest,$area);
3012: } else {
3013: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3014: $tdom,$spec,$trest,$area);
3015: }
3016: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
1.486 raeburn 3017: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3018: if ($1) {
3019: $no_userblock = 1;
3020: last;
3021: }
3022: }
1.490 raeburn 3023: } else {
3024: # Resource belongs to current user
3025: # Check for 'evb' priv via lonnet::allowed().
1.482 raeburn 3026: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3027: $no_ownblock = 1;
3028: last;
3029: }
1.474 raeburn 3030: }
3031: }
3032: # if they have the evb priv and are currently not playing student
1.482 raeburn 3033: next if (($no_ownblock) &&
1.491 albertel 3034: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
1.482 raeburn 3035: next if ($no_userblock);
1.474 raeburn 3036:
1.490 raeburn 3037: # Retrieve blocking times and identity of blocker for course
3038: # of specified user, unless user has 'evb' privilege.
1.502 raeburn 3039:
3040: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3041: if (($start != 0) &&
3042: (($startblock == 0) || ($startblock > $start))) {
3043: $startblock = $start;
3044: }
3045: if (($end != 0) &&
3046: (($endblock == 0) || ($endblock < $end))) {
3047: $endblock = $end;
3048: }
1.490 raeburn 3049: }
3050: return ($startblock,$endblock);
3051: }
3052:
3053: sub get_blocks {
3054: my ($setters,$activity,$cdom,$cnum) = @_;
3055: my $startblock = 0;
3056: my $endblock = 0;
3057: my $course = $cdom.'_'.$cnum;
3058: $setters->{$course} = {};
3059: $setters->{$course}{'staff'} = [];
3060: $setters->{$course}{'times'} = [];
3061: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3062: foreach my $record (keys(%records)) {
3063: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3064: if ($start <= time && $end >= time) {
3065: my ($staff_name,$staff_dom,$title,$blocks) =
3066: &parse_block_record($records{$record});
3067: if ($blocks->{$activity} eq 'on') {
3068: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3069: push(@{$$setters{$course}{'times'}}, [$start,$end]);
1.491 albertel 3070: if ( ($startblock == 0) || ($startblock > $start) ) {
3071: $startblock = $start;
1.490 raeburn 3072: }
1.491 albertel 3073: if ( ($endblock == 0) || ($endblock < $end) ) {
3074: $endblock = $end;
1.474 raeburn 3075: }
3076: }
3077: }
3078: }
3079: return ($startblock,$endblock);
3080: }
3081:
3082: sub parse_block_record {
3083: my ($record) = @_;
3084: my ($setuname,$setudom,$title,$blocks);
3085: if (ref($record) eq 'HASH') {
3086: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3087: $title = &unescape($record->{'event'});
3088: $blocks = $record->{'blocks'};
3089: } else {
3090: my @data = split(/:/,$record,3);
3091: if (scalar(@data) eq 2) {
3092: $title = $data[1];
3093: ($setuname,$setudom) = split(/@/,$data[0]);
3094: } else {
3095: ($setuname,$setudom,$title) = @data;
3096: }
3097: $blocks = { 'com' => 'on' };
3098: }
3099: return ($setuname,$setudom,$title,$blocks);
3100: }
3101:
3102: sub build_block_table {
3103: my ($startblock,$endblock,$setters) = @_;
3104: my %lt = &Apache::lonlocal::texthash(
3105: 'cacb' => 'Currently active communication blocks',
3106: 'cour' => 'Course',
3107: 'dura' => 'Duration',
3108: 'blse' => 'Block set by'
3109: );
3110: my $output;
1.476 raeburn 3111: $output = '<br />'.$lt{'cacb'}.':<br />';
1.474 raeburn 3112: $output .= &start_data_table();
3113: $output .= '
3114: <tr>
3115: <th>'.$lt{'cour'}.'</th>
3116: <th>'.$lt{'dura'}.'</th>
3117: <th>'.$lt{'blse'}.'</th>
3118: </tr>
3119: ';
3120: foreach my $course (keys(%{$setters})) {
3121: my %courseinfo=&Apache::lonnet::coursedescription($course);
3122: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
3123: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
1.490 raeburn 3124: my $fullname = &plainname($uname,$udom);
3125: if (defined($env{'user.name'}) && defined($env{'user.domain'})
3126: && $env{'user.name'} ne 'public'
3127: && $env{'user.domain'} ne 'public') {
3128: $fullname = &aboutmewrapper($fullname,$uname,$udom);
3129: }
1.474 raeburn 3130: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
3131: $openblock = &Apache::lonlocal::locallocaltime($openblock);
3132: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
3133: $output .= &Apache::loncommon::start_data_table_row().
3134: '<td>'.$courseinfo{'description'}.'</td>'.
3135: '<td>'.$openblock.' to '.$closeblock.'</td>'.
1.490 raeburn 3136: '<td>'.$fullname.'</td>'.
1.474 raeburn 3137: &Apache::loncommon::end_data_table_row();
3138: }
3139: }
3140: $output .= &end_data_table();
3141: }
3142:
1.490 raeburn 3143: sub blocking_status {
3144: my ($activity,$uname,$udom) = @_;
3145: my %setters;
3146: my ($blocked,$output,$ownitem,$is_course);
3147: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3148: if ($startblock && $endblock) {
3149: $blocked = 1;
3150: if (wantarray) {
3151: my $category;
3152: if ($activity eq 'boards') {
3153: $category = 'Discussion posts in this course';
3154: } elsif ($activity eq 'blogs') {
3155: $category = 'Blogs';
3156: } elsif ($activity eq 'port') {
3157: if (defined($uname) && defined($udom)) {
3158: if ($uname eq $env{'user.name'} &&
3159: $udom eq $env{'user.domain'}) {
3160: $ownitem = 1;
3161: }
3162: }
3163: $is_course = &Apache::lonnet::is_course($udom,$uname);
3164: if ($ownitem) {
3165: $category = 'Your portfolio files';
3166: } elsif ($is_course) {
3167: my $coursedesc;
3168: foreach my $course (keys(%setters)) {
3169: my %courseinfo =
3170: &Apache::lonnet::coursedescription($course);
3171: $coursedesc = $courseinfo{'description'};
3172: }
3173: $category = "Group files in the course '$coursedesc'";
3174: } else {
3175: $category = 'Portfolio files belonging to ';
3176: if ($env{'user.name'} eq 'public' &&
3177: $env{'user.domain'} eq 'public') {
3178: $category .= &plainname($uname,$udom);
3179: } else {
3180: $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom);
3181: }
3182: }
3183: } elsif ($activity eq 'groups') {
3184: $category = 'Groups in this course';
3185: }
3186: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
3187: my $showend = &Apache::lonlocal::locallocaltime($endblock);
3188: $output = '<br />'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'<br />';
3189: if (!($activity eq 'port' && !($ownitem) && !($is_course))) {
3190: $output .= &build_block_table($startblock,$endblock,\%setters);
3191: }
3192: }
3193: }
3194: if (wantarray) {
3195: return ($blocked,$output);
3196: } else {
3197: return $blocked;
3198: }
3199: }
3200:
1.60 matthew 3201: ###############################################
3202:
3203: =pod
3204:
1.112 bowersj2 3205: =head1 Domain Template Functions
3206:
3207: =over 4
3208:
3209: =item * &determinedomain()
1.60 matthew 3210:
3211: Inputs: $domain (usually will be undef)
3212:
1.63 www 3213: Returns: Determines which domain should be used for designs
1.60 matthew 3214:
3215: =cut
1.54 www 3216:
1.60 matthew 3217: ###############################################
1.63 www 3218: sub determinedomain {
3219: my $domain=shift;
3220: if (! $domain) {
1.60 matthew 3221: # Determine domain if we have not been given one
3222: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
1.258 albertel 3223: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
3224: if ($env{'request.role.domain'}) {
3225: $domain=$env{'request.role.domain'};
1.60 matthew 3226: }
3227: }
1.63 www 3228: return $domain;
3229: }
3230: ###############################################
3231: =pod
3232:
1.112 bowersj2 3233: =item * &domainlogo()
1.63 www 3234:
3235: Inputs: $domain (usually will be undef)
3236:
3237: Returns: A link to a domain logo, if the domain logo exists.
3238: If the domain logo does not exist, a description of the domain.
3239:
3240: =cut
1.112 bowersj2 3241:
1.63 www 3242: ###############################################
3243: sub domainlogo {
3244: my $domain = &determinedomain(shift);
3245: # See if there is a logo
1.59 www 3246: if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
1.215 albertel 3247: my $logo=&lonhttpdurl("/adm/lonDomLogos/$domain.gif");
3248: return '<img src="'.$logo.'" alt="'.$domain.'" />';
1.60 matthew 3249: } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
3250: return $Apache::lonnet::domaindescription{$domain};
1.59 www 3251: } else {
1.60 matthew 3252: return '';
1.59 www 3253: }
3254: }
1.63 www 3255: ##############################################
3256:
3257: =pod
3258:
1.112 bowersj2 3259: =item * &designparm()
1.63 www 3260:
3261: Inputs: $which parameter; $domain (usually will be undef)
3262:
3263: Returns: value of designparamter $which
3264:
3265: =cut
1.112 bowersj2 3266:
1.397 albertel 3267:
1.400 albertel 3268: ##############################################
1.397 albertel 3269: sub designparm {
3270: my ($which,$domain)=@_;
1.258 albertel 3271: if ($env{'browser.blackwhite'} eq 'on') {
1.110 www 3272: if ($which=~/\.(font|alink|vlink|link)$/) {
3273: return '#000000';
3274: }
3275: if ($which=~/\.(pgbg|sidebg)$/) {
3276: return '#FFFFFF';
3277: }
3278: if ($which=~/\.tabbg$/) {
3279: return '#CCCCCC';
3280: }
3281: }
1.397 albertel 3282: if (exists($env{'environment.color.'.$which})) {
1.258 albertel 3283: return $env{'environment.color.'.$which};
1.96 www 3284: }
1.63 www 3285: $domain=&determinedomain($domain);
1.397 albertel 3286: if (exists($designhash{$domain.'.'.$which})) {
1.63 www 3287: return $designhash{$domain.'.'.$which};
3288: } else {
3289: return $designhash{'default.'.$which};
3290: }
3291: }
1.59 www 3292:
1.60 matthew 3293: ###############################################
3294: ###############################################
3295:
3296: =pod
3297:
1.112 bowersj2 3298: =back
3299:
3300: =head1 HTTP Helpers
3301:
3302: =over 4
3303:
3304: =item * &bodytag()
1.60 matthew 3305:
3306: Returns a uniform header for LON-CAPA web pages.
3307:
3308: Inputs:
3309:
1.112 bowersj2 3310: =over 4
3311:
3312: =item * $title, A title to be displayed on the page.
3313:
3314: =item * $function, the current role (can be undef).
3315:
3316: =item * $addentries, extra parameters for the <body> tag.
3317:
3318: =item * $bodyonly, if defined, only return the <body> tag.
3319:
3320: =item * $domain, if defined, force a given domain.
3321:
3322: =item * $forcereg, if page should register as content page (relevant for
1.86 www 3323: text interface only)
1.60 matthew 3324:
1.326 albertel 3325: =item * $customtitle, alternate text to use instead of $title
3326: in the title box that appears, this text
3327: is not auto translated like the $title is
1.309 albertel 3328:
3329: =item * $notopbar, if true, keep the 'what is this' info but remove the
3330: navigational links
1.317 albertel 3331:
1.338 albertel 3332: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
3333:
3334: =item * $notitle, if true keep the nav controls, but remove the title bar
3335:
1.361 albertel 3336: =item * $no_inline_link, if true and in remote mode, don't show the
3337: 'Switch To Inline Menu' link
3338:
1.460 albertel 3339: =item * $args, optional argument valid values are
3340: no_auto_mt_title -> prevents &mt()ing the title arg
3341:
1.112 bowersj2 3342: =back
3343:
1.60 matthew 3344: Returns: A uniform header for LON-CAPA web pages.
3345: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
3346: If $bodyonly is undef or zero, an html string containing a <body> tag and
3347: other decorations will be returned.
3348:
3349: =cut
3350:
1.54 www 3351: sub bodytag {
1.309 albertel 3352: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle,
1.460 albertel 3353: $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_;
1.339 albertel 3354:
1.460 albertel 3355: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
1.339 albertel 3356:
1.183 matthew 3357: $function = &get_users_function() if (!$function);
1.339 albertel 3358: my $img = &designparm($function.'.img',$domain);
3359: my $font = &designparm($function.'.font',$domain);
3360: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
3361:
3362: my %design = ( 'style' => 'margin-top: 0px',
3363: 'bgcolor' => $pgbg,
3364: 'text' => $font,
3365: 'alink' => &designparm($function.'.alink',$domain),
3366: 'vlink' => &designparm($function.'.vlink',$domain),
3367: 'link' => &designparm($function.'.link',$domain),);
1.438 albertel 3368: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
1.339 albertel 3369:
1.63 www 3370: # role and realm
1.378 raeburn 3371: my ($role,$realm) = split(/\./,$env{'request.role'},2);
3372: if ($role eq 'ca') {
1.479 albertel 3373: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
1.500 albertel 3374: $realm = &plainname($rname,$rdom);
1.378 raeburn 3375: }
1.55 www 3376: # realm
1.258 albertel 3377: if ($env{'request.course.id'}) {
1.378 raeburn 3378: if ($env{'request.role'} !~ /^cr/) {
3379: $role = &Apache::lonnet::plaintext($role,&course_type());
3380: }
1.359 albertel 3381: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
1.378 raeburn 3382: } else {
3383: $role = &Apache::lonnet::plaintext($role);
1.54 www 3384: }
1.433 albertel 3385:
1.359 albertel 3386: if (!$realm) { $realm=' '; }
1.55 www 3387: # Set messages
1.60 matthew 3388: my $messages=&domainlogo($domain);
1.101 www 3389: # Port for miniserver
1.83 albertel 3390: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
3391: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
1.330 albertel 3392:
1.438 albertel 3393: my $extra_body_attr = &make_attr_string($forcereg,\%design);
1.329 albertel 3394:
1.101 www 3395: # construct main body tag
1.359 albertel 3396: my $bodytag = "<body $extra_body_attr>".
3397: &Apache::lontexconvert::init_math_support();
1.252 albertel 3398:
1.332 albertel 3399: if ($bodyonly
3400: || ($env{'request.state'} eq 'construct'
3401: && $env{'environment.remote'} ne 'off' )) {
1.60 matthew 3402: return $bodytag;
1.258 albertel 3403: } elsif ($env{'browser.interface'} eq 'textual') {
1.95 www 3404: # Accessibility
1.224 raeburn 3405:
1.337 albertel 3406: $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
1.338 albertel 3407: if (!$notitle) {
1.337 albertel 3408: $bodytag.='<h1>LON-CAPA: '.$title.'</h1>';
3409: }
3410: return $bodytag;
1.359 albertel 3411: }
3412:
1.410 albertel 3413: my $name = &plainname($env{'user.name'},$env{'user.domain'});
1.433 albertel 3414: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
3415: undef($role);
1.434 albertel 3416: } else {
3417: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
1.433 albertel 3418: }
1.359 albertel 3419:
3420: my $roleinfo=(<<ENDROLE);
3421: <td class="LC_title_bar_who">
3422: <div class="LC_title_bar_name">
1.410 albertel 3423: $name
1.361 albertel 3424:
1.359 albertel 3425: </div>
3426: <div class="LC_title_bar_role">
1.361 albertel 3427: $role
1.359 albertel 3428: </div>
3429: <div class="LC_title_bar_realm">
1.361 albertel 3430: $realm
1.359 albertel 3431: </div>
1.206 albertel 3432: </td>
3433: ENDROLE
1.235 raeburn 3434:
1.359 albertel 3435: my $titleinfo = '<span class="LC_title_bar_title">'.$title.'</span>';
3436: if ($customtitle) {
3437: $titleinfo = $customtitle;
3438: }
3439: #
3440: # Extra info if you are the DC
3441: my $dc_info = '';
3442: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
3443: $env{'course.'.$env{'request.course.id'}.
3444: '.domain'}.'/'})) {
3445: my $cid = $env{'request.course.id'};
3446: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
1.380 www 3447: $dc_info =~ s/\s+$//;
1.359 albertel 3448: $dc_info = '('.$dc_info.')';
3449: }
3450:
3451: if ($env{'environment.remote'} eq 'off') {
3452: # No Remote
1.258 albertel 3453: if ($env{'request.state'} eq 'construct') {
1.359 albertel 3454: $forcereg=1;
3455: }
3456:
3457: if (!$customtitle && $env{'request.state'} eq 'construct') {
3458: # this is for resources; directories have customtitle, and crumbs
3459: # and select recent are created in lonpubdir.pm
1.229 albertel 3460: my ($uname,$thisdisfn)=
1.258 albertel 3461: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
1.229 albertel 3462: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
3463: $formaction=~s/\/+/\//g;
3464:
1.359 albertel 3465: my $parentpath = '';
3466: my $lastitem = '';
3467: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
3468: $parentpath = $1;
3469: $lastitem = $2;
3470: } else {
3471: $lastitem = $thisdisfn;
3472: }
3473: $titleinfo =
1.401 albertel 3474: &Apache::loncommon::help_open_menu('','',3,'Authoring').
1.359 albertel 3475: '<b>Construction Space</b>: '.
3476: '<form name="dirs" method="post" action="'.$formaction
3477: .'" target="_top"><tt><b>'
3478: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
3479: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
3480: .'</form>'
3481: .&Apache::lonmenu::constspaceform();
1.235 raeburn 3482: }
1.359 albertel 3483:
1.337 albertel 3484: my $titletable;
1.338 albertel 3485: if (!$notitle) {
1.337 albertel 3486: $titletable =
1.359 albertel 3487: '<table id="LC_title_bar">'.
3488: "<tr><td> $titleinfo $dc_info</td>".$roleinfo.
3489: '</tr></table>';
1.337 albertel 3490: }
1.359 albertel 3491: if ($notopbar) {
3492: $bodytag .= $titletable;
3493: } else {
3494: if ($env{'request.state'} eq 'construct') {
1.337 albertel 3495: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
3496: $titletable);
1.272 raeburn 3497: } else {
1.336 albertel 3498: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
1.359 albertel 3499: $titletable;
1.272 raeburn 3500: }
1.235 raeburn 3501: }
3502: return $bodytag;
1.94 www 3503: }
1.95 www 3504:
1.93 www 3505: #
1.95 www 3506: # Top frame rendering, Remote is up
1.93 www 3507: #
1.359 albertel 3508:
3509: my $upperleft='<img src="http://'.$ENV{'HTTP_HOST'}.':'.
3510: $lonhttpdPort.$img.'" alt="'.$function.'" />';
3511:
1.305 www 3512: # Explicit link to get inline menu
1.361 albertel 3513: my $menu= ($no_inline_link?''
3514: :'<br /><a href="/adm/remote?action=collapse">'.&mt('Switch to Inline Menu Mode').'</a>');
1.245 matthew 3515: #
1.338 albertel 3516: if ($notitle) {
1.337 albertel 3517: return $bodytag;
3518: }
1.94 www 3519: return(<<ENDBODY);
1.60 matthew 3520: $bodytag
1.359 albertel 3521: <table id="LC_title_bar" class="LC_with_remote">
1.368 albertel 3522: <tr><td class="LC_title_bar_role_logo">$upperleft</td>
1.359 albertel 3523: <td class="LC_title_bar_domain_logo">$messages </td>
1.54 www 3524: </tr>
1.359 albertel 3525: <tr><td>$titleinfo $dc_info $menu</td>
3526: $roleinfo
1.368 albertel 3527: </tr>
1.356 albertel 3528: </table>
1.54 www 3529: ENDBODY
1.182 matthew 3530: }
3531:
1.330 albertel 3532: sub make_attr_string {
3533: my ($register,$attr_ref) = @_;
3534:
3535: if ($attr_ref && !ref($attr_ref)) {
3536: die("addentries Must be a hash ref ".
3537: join(':',caller(1))." ".
3538: join(':',caller(0))." ");
3539: }
3540:
3541: if ($register) {
1.339 albertel 3542: my ($on_load,$on_unload);
3543: foreach my $key (keys(%{$attr_ref})) {
3544: if (lc($key) eq 'onload') {
3545: $on_load.=$attr_ref->{$key}.';';
3546: delete($attr_ref->{$key});
3547:
3548: } elsif (lc($key) eq 'onunload') {
3549: $on_unload.=$attr_ref->{$key}.';';
3550: delete($attr_ref->{$key});
3551: }
3552: }
3553: $attr_ref->{'onload'} =
3554: &Apache::lonmenu::loadevents(). $on_load;
3555: $attr_ref->{'onunload'}=
3556: &Apache::lonmenu::unloadevents().$on_unload;
3557: }
3558:
3559: # Accessibility font enhance
3560: if ($env{'browser.fontenhance'} eq 'on') {
3561: my $style;
3562: foreach my $key (keys(%{$attr_ref})) {
3563: if (lc($key) eq 'style') {
3564: $style.=$attr_ref->{$key}.';';
3565: delete($attr_ref->{$key});
3566: }
3567: }
3568: $attr_ref->{'style'}=$style.'; font-size: x-large;';
1.330 albertel 3569: }
1.339 albertel 3570:
3571: if ($env{'browser.blackwhite'} eq 'on') {
3572: delete($attr_ref->{'font'});
3573: delete($attr_ref->{'link'});
3574: delete($attr_ref->{'alink'});
3575: delete($attr_ref->{'vlink'});
3576: delete($attr_ref->{'bgcolor'});
3577: delete($attr_ref->{'background'});
3578: }
3579:
1.330 albertel 3580: my $attr_string;
3581: foreach my $attr (keys(%$attr_ref)) {
3582: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
3583: }
3584: return $attr_string;
3585: }
3586:
3587:
1.182 matthew 3588: ###############################################
1.251 albertel 3589: ###############################################
3590:
3591: =pod
3592:
3593: =back
3594:
1.306 albertel 3595: =head1 HTML Helpers
1.251 albertel 3596:
3597: =over 4
3598:
3599: =item * &endbodytag()
3600:
3601: Returns a uniform footer for LON-CAPA web pages.
3602:
1.306 albertel 3603: Inputs: none
1.251 albertel 3604:
3605: =back
3606:
3607: =cut
3608:
3609: sub endbodytag {
3610: my $endbodytag='</body>';
1.269 albertel 3611: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
1.315 albertel 3612: if ( exists( $env{'internal.head.redirect'} ) ) {
3613: $endbodytag=
3614: "<br /><a href=\"$env{'internal.head.redirect'}\">".
3615: &mt('Continue').'</a>'.
3616: $endbodytag;
3617: }
1.251 albertel 3618: return $endbodytag;
3619: }
3620:
1.352 albertel 3621: =pod
3622:
3623: =over 4
3624:
3625: =item * &standard_css()
3626:
3627: Returns a style sheet
3628:
3629: Inputs: (all optional)
3630: domain -> force to color decorate a page for a specific
3631: domain
3632: function -> force usage of a specific rolish color scheme
3633: bgcolor -> override the default page bgcolor
3634:
3635: =back
3636:
3637: =cut
3638:
1.343 albertel 3639: sub standard_css {
1.345 albertel 3640: my ($function,$domain,$bgcolor) = @_;
1.352 albertel 3641: $function = &get_users_function() if (!$function);
3642: my $img = &designparm($function.'.img', $domain);
3643: my $tabbg = &designparm($function.'.tabbg', $domain);
3644: my $font = &designparm($function.'.font', $domain);
1.345 albertel 3645: my $sidebg = &designparm($function.'.sidebg',$domain);
1.382 albertel 3646: my $pgbg_or_bgcolor =
3647: $bgcolor ||
1.352 albertel 3648: &designparm($function.'.pgbg', $domain);
1.382 albertel 3649: my $pgbg = &designparm($function.'.pgbg', $domain);
1.352 albertel 3650: my $alink = &designparm($function.'.alink', $domain);
3651: my $vlink = &designparm($function.'.vlink', $domain);
3652: my $link = &designparm($function.'.link', $domain);
3653:
3654: my $sans = 'Arial,Helvetica,sans-serif';
1.395 albertel 3655: my $mono = 'monospace';
1.352 albertel 3656: my $data_table_head = $tabbg;
3657: my $data_table_light = '#EEEEEE';
1.470 banghart 3658: my $data_table_dark = '#DDDDDD';
3659: my $data_table_darker = '#CCCCCC';
1.349 albertel 3660: my $data_table_highlight = '#FFFF00';
1.352 albertel 3661: my $mail_new = '#FFBB77';
3662: my $mail_new_hover = '#DD9955';
3663: my $mail_read = '#BBBB77';
3664: my $mail_read_hover = '#999944';
3665: my $mail_replied = '#AAAA88';
3666: my $mail_replied_hover = '#888855';
3667: my $mail_other = '#99BBBB';
3668: my $mail_other_hover = '#669999';
1.391 albertel 3669: my $table_header = '#DDDDDD';
1.489 raeburn 3670: my $feedback_link_bg = '#BBBBBB';
1.392 albertel 3671:
3672: my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px'
3673: : '0px 3px 0px 4px';
1.448 albertel 3674:
1.343 albertel 3675: return <<END;
1.345 albertel 3676: h1, h2, h3, th { font-family: $sans }
1.343 albertel 3677: a:focus { color: red; background: yellow }
3678: table.thinborder { border-collapse: collapse; }
1.426 albertel 3679: table.thinborder tr th { border-style: solid; border-width: 1px; background: $tabbg;}
3680: table.thinborder tr td { border-style: solid; border-width: 1px}
3681:
1.343 albertel 3682: form, .inline { display: inline; }
3683: .center { text-align: center; }
1.395 albertel 3684: .LC_filename {font-family: $mono;}
1.350 albertel 3685: .LC_error {
3686: color: red;
3687: font-size: larger;
3688: }
1.457 albertel 3689: .LC_warning,
3690: .LC_diff_removed {
1.394 albertel 3691: color: red;
3692: }
1.457 albertel 3693: .LC_success,
3694: .LC_diff_added {
1.350 albertel 3695: color: green;
3696: }
1.440 albertel 3697: .LC_icon {
3698: border: 0px;
3699: }
1.346 albertel 3700:
1.458 albertel 3701: table.LC_pastsubmission {
3702: border: 1px solid black;
3703: margin: 2px;
3704: }
3705:
1.392 albertel 3706: table#LC_top_nav, table#LC_menubuttons {
1.345 albertel 3707: width: 100%;
3708: background: $pgbg;
1.392 albertel 3709: border: 2px;
1.402 albertel 3710: border-collapse: separate;
1.403 albertel 3711: padding: 0px;
1.345 albertel 3712: }
1.392 albertel 3713:
1.409 albertel 3714: table#LC_title_bar, table.LC_breadcrumbs, table#LC_nav_location,
1.393 albertel 3715: table#LC_title_bar.LC_with_remote {
1.359 albertel 3716: width: 100%;
1.392 albertel 3717: border-color: $pgbg;
3718: border-style: solid;
3719: border-width: $border;
3720:
1.379 albertel 3721: background: $pgbg;
3722: font-family: $sans;
1.392 albertel 3723: border-collapse: collapse;
1.403 albertel 3724: padding: 0px;
1.359 albertel 3725: }
1.392 albertel 3726:
1.409 albertel 3727: table.LC_docs_path {
3728: width: 100%;
3729: border: 0;
3730: background: $pgbg;
3731: font-family: $sans;
3732: border-collapse: collapse;
3733: padding: 0px;
3734: }
3735:
1.359 albertel 3736: table#LC_title_bar td {
3737: background: $tabbg;
3738: }
3739: table#LC_title_bar td.LC_title_bar_who {
3740: background: $tabbg;
3741: color: $font;
1.427 albertel 3742: font: small $sans;
1.359 albertel 3743: text-align: right;
3744: }
1.469 banghart 3745: span.LC_metadata {
3746: font-family: $sans;
3747: }
1.359 albertel 3748: span.LC_title_bar_title {
1.416 albertel 3749: font: bold x-large $sans;
1.359 albertel 3750: }
3751: table#LC_title_bar td.LC_title_bar_domain_logo {
3752: background: $sidebg;
3753: text-align: right;
1.368 albertel 3754: padding: 0px;
3755: }
3756: table#LC_title_bar td.LC_title_bar_role_logo {
3757: background: $sidebg;
3758: padding: 0px;
1.359 albertel 3759: }
3760:
1.346 albertel 3761: table#LC_menubuttons_mainmenu {
3762: background: $pgbg;
3763: border: 0px;
3764: border-spacing: 1px;
1.372 albertel 3765: padding: 0px 1px;
1.346 albertel 3766: margin: 0px;
3767: border-collapse: separate;
3768: }
3769: table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
3770: border: 0px;
3771: }
1.345 albertel 3772: table#LC_top_nav td {
3773: background: $tabbg;
1.392 albertel 3774: border: 0px;
1.407 albertel 3775: font-size: small;
1.345 albertel 3776: }
3777: table#LC_top_nav td a, div#LC_top_nav a {
3778: color: $font;
3779: font-family: $sans;
3780: }
1.364 albertel 3781: table#LC_top_nav td.LC_top_nav_logo {
3782: background: $tabbg;
1.432 albertel 3783: text-align: left;
1.408 albertel 3784: white-space: nowrap;
1.432 albertel 3785: width: 31px;
1.408 albertel 3786: }
3787: table#LC_top_nav td.LC_top_nav_logo img {
1.432 albertel 3788: border: 0px;
1.408 albertel 3789: vertical-align: bottom;
1.364 albertel 3790: }
1.432 albertel 3791: table#LC_top_nav td.LC_top_nav_exit,
3792: table#LC_top_nav td.LC_top_nav_help {
3793: width: 2.0em;
3794: }
1.442 albertel 3795: table#LC_top_nav td.LC_top_nav_login {
3796: width: 4.0em;
3797: text-align: center;
3798: }
1.409 albertel 3799: table.LC_breadcrumbs td, table.LC_docs_path td {
1.357 albertel 3800: background: $tabbg;
3801: color: $font;
3802: font-family: $sans;
1.358 albertel 3803: font-size: smaller;
1.357 albertel 3804: }
1.411 albertel 3805: table.LC_breadcrumbs td.LC_breadcrumbs_component,
1.409 albertel 3806: table.LC_docs_path td.LC_docs_path_component {
1.357 albertel 3807: background: $tabbg;
3808: color: $font;
3809: font-family: $sans;
3810: font-size: larger;
3811: text-align: right;
3812: }
1.383 albertel 3813: td.LC_table_cell_checkbox {
3814: text-align: center;
3815: }
3816:
1.346 albertel 3817: .LC_menubuttons_inline_text {
3818: color: $font;
3819: font-family: $sans;
3820: font-size: smaller;
3821: }
3822:
3823: td.LC_menubuttons_text {
3824: color: $font;
3825: font-family: $sans;
3826: }
3827: td.LC_menubuttons_img {
3828: background: $tabbg;
3829: }
3830: .LC_current_location {
3831: font-family: $sans;
3832: background: $tabbg;
3833: }
3834: .LC_new_mail {
3835: font-family: $sans;
3836: font-weight: bold;
3837: }
1.347 albertel 3838:
1.440 albertel 3839: table.LC_aboutme_port {
3840: border: 0px;
3841: border-collapse: collapse;
3842: border-spacing: 0px;
3843: }
1.349 albertel 3844: table.LC_data_table, table.LC_mail_list {
1.347 albertel 3845: border: 1px solid #000000;
1.402 albertel 3846: border-collapse: separate;
1.426 albertel 3847: border-spacing: 1px;
1.347 albertel 3848: }
1.422 albertel 3849: .LC_data_table_dense {
3850: font-size: small;
3851: }
1.507 raeburn 3852: table.LC_nested_outer {
3853: border: 1px solid #000000;
3854: border-collapse: separate;
3855: border-spacing: 0px;
3856: width: 100%;
3857: }
3858: table.LC_nested {
3859: border: 0px;
3860: border-collapse: separate;
3861: border-spacing: 0px;
3862: width: 100%;
3863: }
1.349 albertel 3864: table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
3865: font-weight: bold;
3866: background-color: $data_table_head;
1.421 albertel 3867: font-size: smaller;
1.347 albertel 3868: }
1.440 albertel 3869: table.LC_data_table tr td,
3870: table.LC_aboutme_port tr td {
1.349 albertel 3871: background-color: $data_table_light;
1.425 albertel 3872: padding: 2px;
1.347 albertel 3873: }
1.440 albertel 3874: table.LC_data_table tr.LC_even_row td,
3875: table.LC_aboutme_port tr.LC_even_row td {
1.349 albertel 3876: background-color: $data_table_dark;
1.347 albertel 3877: }
1.425 albertel 3878: table.LC_data_table tr.LC_data_table_highlight td {
3879: background-color: $data_table_darker;
3880: }
1.451 albertel 3881: table.LC_data_table tr.LC_empty_row td,
1.507 raeburn 3882: table.LC_nested tr.LC_empty_row td {
1.347 albertel 3883: background-color: #FFFFFF;
1.421 albertel 3884: font-weight: bold;
3885: font-style: italic;
3886: text-align: center;
3887: padding: 8px;
1.347 albertel 3888: }
1.507 raeburn 3889: table.LC_nested tr.LC_empty_row td {
1.465 albertel 3890: padding: 4ex
3891: }
1.507 raeburn 3892: table.LC_nested_outer tr th {
3893: font-weight: bold;
3894: background-color: $data_table_head;
3895: font-size: smaller;
3896: border-bottom: 1px solid #000000;
3897: }
3898: table.LC_nested_outer tr td.LC_subheader {
3899: background-color: $data_table_head;
3900: font-weight: bold;
3901: font-size: small;
3902: border-bottom: 1px solid #000000;
3903: text-align: right;
1.451 albertel 3904: }
1.507 raeburn 3905: table.LC_nested tr.LC_info_row td {
1.451 albertel 3906: background-color: #CCC;
3907: font-weight: bold;
3908: font-size: small;
1.507 raeburn 3909: text-align: center;
3910: }
3911: table.LC_nested tr.LC_info_row td.LC_left_item {
3912: text-align: left;
1.451 albertel 3913: }
1.507 raeburn 3914: table.LC_nested td {
1.451 albertel 3915: background-color: #FFF;
3916: font-size: small;
1.507 raeburn 3917: }
3918: table.LC_nested_outer tr th.LC_right_item,
3919: table.LC_nested tr.LC_info_row td.LC_right_item,
3920: table.LC_nested tr.LC_odd_row td.LC_right_item,
3921: table.LC_nested tr td.LC_right_item {
1.451 albertel 3922: text-align: right;
3923: }
3924:
1.507 raeburn 3925: table.LC_nested tr.LC_odd_row td {
1.451 albertel 3926: background-color: #EEE;
3927: }
3928:
1.473 raeburn 3929: table.LC_createuser {
3930: }
3931:
3932: table.LC_createuser tr.LC_section_row td {
3933: font-size: smaller;
3934: }
3935:
3936: table.LC_createuser tr.LC_info_row td {
3937: background-color: #CCC;
3938: font-weight: bold;
3939: text-align: center;
3940: }
3941:
1.349 albertel 3942: table.LC_calendar {
3943: border: 1px solid #000000;
3944: border-collapse: collapse;
3945: }
3946: table.LC_calendar_pickdate {
3947: font-size: xx-small;
3948: }
3949: table.LC_calendar tr td {
3950: border: 1px solid #000000;
3951: vertical-align: top;
3952: }
3953: table.LC_calendar tr td.LC_calendar_day_empty {
3954: background-color: $data_table_dark;
3955: }
3956: table.LC_calendar tr td.LC_calendar_day_current {
3957: background-color: $data_table_highlight;
3958: }
3959:
3960: table.LC_mail_list tr.LC_mail_new {
3961: background-color: $mail_new;
3962: }
3963: table.LC_mail_list tr.LC_mail_new:hover {
3964: background-color: $mail_new_hover;
3965: }
3966: table.LC_mail_list tr.LC_mail_read {
3967: background-color: $mail_read;
3968: }
3969: table.LC_mail_list tr.LC_mail_read:hover {
3970: background-color: $mail_read_hover;
3971: }
3972: table.LC_mail_list tr.LC_mail_replied {
3973: background-color: $mail_replied;
3974: }
3975: table.LC_mail_list tr.LC_mail_replied:hover {
3976: background-color: $mail_replied_hover;
3977: }
3978: table.LC_mail_list tr.LC_mail_other {
3979: background-color: $mail_other;
3980: }
3981: table.LC_mail_list tr.LC_mail_other:hover {
3982: background-color: $mail_other_hover;
3983: }
1.494 raeburn 3984: table.LC_mail_list tr.LC_mail_even {
3985: }
3986: table.LC_mail_list tr.LC_mail_odd {
3987: }
3988:
1.385 albertel 3989:
1.386 albertel 3990: table#LC_portfolio_actions {
3991: width: auto;
3992: background: $pgbg;
3993: border: 0px;
3994: border-spacing: 2px 2px;
3995: padding: 0px;
3996: margin: 0px;
3997: border-collapse: separate;
3998: }
3999: table#LC_portfolio_actions td.LC_label {
4000: background: $tabbg;
4001: text-align: right;
4002: }
4003: table#LC_portfolio_actions td.LC_value {
4004: background: $tabbg;
4005: }
1.385 albertel 4006:
1.391 albertel 4007: table#LC_cstr_controls {
4008: width: 100%;
4009: border-collapse: collapse;
4010: }
4011: table#LC_cstr_controls tr td {
4012: border: 4px solid $pgbg;
4013: padding: 4px;
4014: text-align: center;
4015: background: $tabbg;
4016: }
4017: table#LC_cstr_controls tr th {
4018: border: 4px solid $pgbg;
4019: background: $table_header;
4020: text-align: center;
4021: font-family: $sans;
4022: font-size: smaller;
4023: }
4024:
1.389 albertel 4025: table#LC_browser {
4026:
4027: }
4028: table#LC_browser tr th {
1.391 albertel 4029: background: $table_header;
1.389 albertel 4030: }
1.390 albertel 4031: table#LC_browser tr td {
4032: padding: 2px;
4033: }
1.389 albertel 4034: table#LC_browser tr.LC_browser_file,
4035: table#LC_browser tr.LC_browser_file_published {
4036: background: #CCFF88;
4037: }
4038: table#LC_browser tr.LC_browser_file_locked,
4039: table#LC_browser tr.LC_browser_file_unpublished {
4040: background: #FFAA99;
1.387 albertel 4041: }
1.389 albertel 4042: table#LC_browser tr.LC_browser_file_obsolete {
4043: background: #AAAAAA;
1.387 albertel 4044: }
1.455 albertel 4045: table#LC_browser tr.LC_browser_file_modified,
4046: table#LC_browser tr.LC_browser_file_metamodified {
1.389 albertel 4047: background: #FFFF77;
1.387 albertel 4048: }
1.389 albertel 4049: table#LC_browser tr.LC_browser_folder {
4050: background: #CCCCFF;
1.387 albertel 4051: }
1.388 albertel 4052: span.LC_current_location {
4053: font-size: x-large;
4054: background: $pgbg;
4055: }
1.387 albertel 4056:
1.395 albertel 4057: span.LC_parm_menu_item {
4058: font-size: larger;
4059: font-family: $sans;
4060: }
4061: span.LC_parm_scope_all {
4062: color: red;
4063: }
4064: span.LC_parm_scope_folder {
4065: color: green;
4066: }
4067: span.LC_parm_scope_resource {
4068: color: orange;
4069: }
4070: span.LC_parm_part {
4071: color: blue;
4072: }
4073: span.LC_parm_folder, span.LC_parm_symb {
4074: font-size: x-small;
4075: font-family: $mono;
4076: color: #AAAAAA;
4077: }
4078:
1.396 albertel 4079: td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
4080: td.LC_parm_overview_parm_selectors, td.LC_parm_overview_parm_restrictions {
4081: border: 1px solid black;
4082: border-collapse: collapse;
4083: }
4084: table.LC_parm_overview_restrictions td {
4085: border-width: 1px 4px 1px 4px;
4086: border-style: solid;
4087: border-color: $pgbg;
4088: text-align: center;
4089: }
4090: table.LC_parm_overview_restrictions th {
4091: background: $tabbg;
4092: border-width: 1px 4px 1px 4px;
4093: border-style: solid;
4094: border-color: $pgbg;
4095: }
1.398 albertel 4096: table#LC_helpmenu {
4097: border: 0px;
4098: height: 55px;
4099: border-spacing: 0px;
4100: }
4101:
4102: table#LC_helpmenu fieldset legend {
4103: font-size: larger;
4104: font-weight: bold;
4105: }
1.397 albertel 4106: table#LC_helpmenu_links {
4107: width: 100%;
4108: border: 1px solid black;
4109: background: $pgbg;
4110: padding: 0px;
4111: border-spacing: 1px;
4112: }
4113: table#LC_helpmenu_links tr td {
4114: padding: 1px;
4115: background: $tabbg;
1.399 albertel 4116: text-align: center;
4117: font-weight: bold;
1.397 albertel 4118: }
1.396 albertel 4119:
1.397 albertel 4120: table#LC_helpmenu_links a:link, table#LC_helpmenu_links a:visited,
4121: table#LC_helpmenu_links a:active {
4122: text-decoration: none;
4123: color: $font;
4124: }
4125: table#LC_helpmenu_links a:hover {
4126: text-decoration: underline;
4127: color: $vlink;
4128: }
1.396 albertel 4129:
1.417 albertel 4130: .LC_chrt_popup_exists {
4131: border: 1px solid #339933;
4132: margin: -1px;
4133: }
4134: .LC_chrt_popup_up {
4135: border: 1px solid yellow;
4136: margin: -1px;
4137: }
4138: .LC_chrt_popup {
4139: border: 1px solid #8888FF;
4140: background: #CCCCFF;
4141: }
4142:
1.421 albertel 4143: table.LC_pick_box {
4144: width: 100%;
4145: border-collapse: separate;
4146: background: white;
4147: border: 1px solid black;
4148: border-spacing: 1px;
4149: }
4150: table.LC_pick_box td.LC_pick_box_title {
4151: background: $tabbg;
4152: font-weight: bold;
4153: text-align: right;
4154: width: 184px;
4155: padding: 8px;
4156: }
1.424 albertel 4157: table.LC_pick_box td.LC_pick_box_separator {
1.421 albertel 4158: padding: 0px;
4159: height: 1px;
4160: background: black;
4161: }
4162: table.LC_pick_box td.LC_pick_box_submit {
4163: text-align: right;
4164: }
4165:
1.424 albertel 4166: table.LC_group_priv_box {
4167: background: white;
4168: border: 1px solid black;
4169: border-spacing: 1px;
4170: }
4171: table.LC_group_priv_box td.LC_pick_box_title {
4172: background: $tabbg;
4173: font-weight: bold;
4174: text-align: right;
4175: width: 184px;
4176: }
4177: table.LC_group_priv_box td.LC_groups_fixed {
4178: background: $data_table_light;
4179: text-align: center;
4180: }
4181: table.LC_group_priv_box td.LC_groups_optional {
4182: background: $data_table_dark;
4183: text-align: center;
4184: }
4185: table.LC_group_priv_box td.LC_groups_functionality {
4186: background: $data_table_darker;
4187: text-align: center;
4188: font-weight: bold;
4189: }
4190: table.LC_group_priv td {
4191: text-align: left;
4192: padding: 0px;
4193: }
4194:
1.421 albertel 4195: table.LC_notify_front_page {
4196: background: white;
4197: border: 1px solid black;
4198: padding: 8px;
4199: }
4200: table.LC_notify_front_page td {
4201: padding: 8px;
4202: }
1.424 albertel 4203: .LC_navbuttons {
4204: margin: 2ex 0ex 2ex 0ex;
4205: }
1.423 albertel 4206: .LC_topic_bar {
4207: font-family: $sans;
4208: font-weight: bold;
4209: width: 100%;
4210: background: $tabbg;
4211: vertical-align: middle;
4212: margin: 2ex 0ex 2ex 0ex;
4213: }
4214: .LC_topic_bar span {
4215: vertical-align: middle;
4216: }
4217: .LC_topic_bar img {
4218: vertical-align: bottom;
4219: }
4220: table.LC_course_group_status {
4221: margin: 20px;
4222: }
4223: table.LC_status_selector td {
4224: vertical-align: top;
4225: text-align: center;
1.424 albertel 4226: padding: 4px;
4227: }
4228: table.LC_descriptive_input td.LC_description {
4229: vertical-align: top;
4230: text-align: right;
4231: font-weight: bold;
1.423 albertel 4232: }
1.489 raeburn 4233: table.LC_feedback_link {
4234: background: $feedback_link_bg;
4235: }
4236: span.LC_feedback_link {
4237: background: $feedback_link_bg;
4238: font-size: larger;
4239: }
1.421 albertel 4240:
1.343 albertel 4241: END
4242: }
4243:
1.306 albertel 4244: =pod
4245:
4246: =over 4
4247:
4248: =item * &headtag()
4249:
4250: Returns a uniform footer for LON-CAPA web pages.
4251:
1.307 albertel 4252: Inputs: $title - optional title for the head
4253: $head_extra - optional extra HTML to put inside the <head>
1.315 albertel 4254: $args - optional arguments
1.319 albertel 4255: force_register - if is true call registerurl so the remote is
4256: informed
1.415 albertel 4257: redirect -> array ref of
4258: 1- seconds before redirect occurs
4259: 2- url to redirect to
4260: 3- whether the side effect should occur
1.315 albertel 4261: (side effect of setting
4262: $env{'internal.head.redirect'} to the url
4263: redirected too)
1.352 albertel 4264: domain -> force to color decorate a page for a specific
4265: domain
4266: function -> force usage of a specific rolish color scheme
4267: bgcolor -> override the default page bgcolor
1.460 albertel 4268: no_auto_mt_title
4269: -> prevent &mt()ing the title arg
1.464 albertel 4270:
1.306 albertel 4271: =back
4272:
4273: =cut
4274:
4275: sub headtag {
1.313 albertel 4276: my ($title,$head_extra,$args) = @_;
1.306 albertel 4277:
1.363 albertel 4278: my $function = $args->{'function'} || &get_users_function();
4279: my $domain = $args->{'domain'} || &determinedomain();
4280: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
1.418 albertel 4281: my $url = join(':',$env{'user.name'},$env{'user.domain'},
1.458 albertel 4282: $Apache::lonnet::perlvar{'lonVersion'},
1.418 albertel 4283: #time(),
4284: $env{'environment.color.timestamp'},
1.363 albertel 4285: $function,$domain,$bgcolor);
4286:
1.369 www 4287: $url = '/adm/css/'.&escape($url).'.css';
1.363 albertel 4288:
1.308 albertel 4289: my $result =
4290: '<head>'.
1.461 albertel 4291: &font_settings();
1.319 albertel 4292:
1.461 albertel 4293: if (!$args->{'frameset'}) {
4294: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
4295: }
1.319 albertel 4296: if ($args->{'force_register'}) {
4297: $result .= &Apache::lonmenu::registerurl(1);
4298: }
1.436 albertel 4299: if (!$args->{'no_nav_bar'}
4300: && !$args->{'only_body'}
4301: && !$args->{'frameset'}) {
4302: $result .= &help_menu_js();
4303: }
1.319 albertel 4304:
1.314 albertel 4305: if (ref($args->{'redirect'})) {
1.414 albertel 4306: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
1.315 albertel 4307: $url = &Apache::lonenc::check_encrypt($url);
1.414 albertel 4308: if (!$inhibit_continue) {
4309: $env{'internal.head.redirect'} = $url;
4310: }
1.313 albertel 4311: $result.=<<ADDMETA
4312: <meta http-equiv="pragma" content="no-cache" />
1.344 albertel 4313: <meta http-equiv="Refresh" content="$time; url=$url" />
1.313 albertel 4314: ADDMETA
4315: }
1.306 albertel 4316: if (!defined($title)) {
4317: $title = 'The LearningOnline Network with CAPA';
4318: }
1.460 albertel 4319: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4320: $result .= '<title> LON-CAPA '.$title.'</title>'
1.414 albertel 4321: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
4322: .$head_extra;
1.306 albertel 4323: return $result;
4324: }
4325:
4326: =pod
4327:
4328: =over 4
4329:
1.340 albertel 4330: =item * &font_settings()
4331:
4332: Returns neccessary <meta> to set the proper encoding
4333:
4334: Inputs: none
4335:
4336: =back
4337:
4338: =cut
4339:
4340: sub font_settings {
4341: my $headerstring='';
4342: if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
4343: $headerstring.=
4344: '<meta Content-Type="text/html; charset=x-mac-roman" />';
4345: } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
4346: $headerstring.=
4347: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
4348: }
4349: return $headerstring;
4350: }
4351:
1.341 albertel 4352: =pod
4353:
4354: =over 4
4355:
4356: =item * &xml_begin()
4357:
4358: Returns the needed doctype and <html>
4359:
4360: Inputs: none
4361:
4362: =back
4363:
4364: =cut
4365:
4366: sub xml_begin {
4367: my $output='';
4368:
1.342 albertel 4369: &Apache::lonhtmlcommon::init_htmlareafields();
4370:
1.341 albertel 4371: if ($env{'browser.mathml'}) {
4372: $output='<?xml version="1.0"?>'
4373: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
4374: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
4375:
4376: # .'<!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">] >'
4377: .'<!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">'
4378: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
4379: .'xmlns="http://www.w3.org/1999/xhtml">';
4380: } else {
4381: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
4382: }
4383: return $output;
4384: }
1.340 albertel 4385:
4386: =pod
4387:
4388: =over 4
4389:
1.306 albertel 4390: =item * &endheadtag()
4391:
4392: Returns a uniform </head> for LON-CAPA web pages.
4393:
4394: Inputs: none
4395:
4396: =back
4397:
4398: =cut
4399:
4400: sub endheadtag {
4401: return '</head>';
4402: }
4403:
4404: =pod
4405:
4406: =over 4
4407:
4408: =item * &head()
4409:
4410: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
4411:
4412: Inputs: $title - optional title for the page
1.307 albertel 4413: $head_extra - optional extra HTML to put inside the <head>
1.405 albertel 4414:
1.306 albertel 4415: =back
4416:
4417: =cut
4418:
4419: sub head {
1.325 albertel 4420: my ($title,$head_extra,$args) = @_;
4421: return &headtag($title,$head_extra,$args).&endheadtag();
1.306 albertel 4422: }
4423:
4424: =pod
4425:
4426: =over 4
4427:
4428: =item * &start_page()
4429:
4430: Returns a complete <html> .. <body> section for LON-CAPA web pages.
4431:
4432: Inputs: $title - optional title for the page
4433: $head_extra - optional extra HTML to incude inside the <head>
1.315 albertel 4434: $args - additional optional args supported are:
1.317 albertel 4435: only_body -> is true will set &bodytag() onlybodytag
4436: arg on
4437: no_nav_bar -> is true will set &bodytag() notopbar arg on
4438: add_entries -> additional attributes to add to the <body>
4439: domain -> force to color decorate a page for a
4440: specific domain
4441: function -> force usage of a specific rolish color
4442: scheme
4443: redirect -> see &headtag()
4444: bgcolor -> override the default page bg color
4445: js_ready -> return a string ready for being used in
4446: a javascript writeln
1.320 albertel 4447: html_encode -> return a string ready for being used in
4448: a html attribute
1.317 albertel 4449: force_register -> if is true will turn on the &bodytag()
4450: $forcereg arg
1.326 albertel 4451: body_title -> alternate text to use instead of $title
4452: in the title box that appears, this text
4453: is not auto translated like the $title is
1.330 albertel 4454: frameset -> if true will start with a <frameset>
4455: rather than <body>
1.338 albertel 4456: no_title -> if true the title bar won't be shown
4457: skip_phases -> hash ref of
4458: head -> skip the <html><head> generation
4459: body -> skip all <body> generation
1.337 albertel 4460:
1.361 albertel 4461: no_inline_link -> if true and in remote mode, don't show the
4462: 'Switch To Inline Menu' link
4463:
1.460 albertel 4464: no_auto_mt_title -> prevent &mt()ing the title arg
4465:
1.306 albertel 4466: =back
4467:
4468: =cut
4469:
4470: sub start_page {
1.309 albertel 4471: my ($title,$head_extra,$args) = @_;
1.318 albertel 4472: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
1.313 albertel 4473: my %head_args;
1.352 albertel 4474: foreach my $arg ('redirect','force_register','domain','function',
1.460 albertel 4475: 'bgcolor','frameset','no_nav_bar','only_body',
4476: 'no_auto_mt_title') {
1.319 albertel 4477: if (defined($args->{$arg})) {
1.324 raeburn 4478: $head_args{$arg} = $args->{$arg};
1.319 albertel 4479: }
1.313 albertel 4480: }
1.319 albertel 4481:
1.315 albertel 4482: $env{'internal.start_page'}++;
1.338 albertel 4483: my $result;
4484: if (! exists($args->{'skip_phases'}{'head'}) ) {
4485: $result.=
1.341 albertel 4486: &xml_begin().
1.338 albertel 4487: &headtag($title,$head_extra,\%head_args).&endheadtag();
4488: }
4489:
4490: if (! exists($args->{'skip_phases'}{'body'}) ) {
4491: if ($args->{'frameset'}) {
4492: my $attr_string = &make_attr_string($args->{'force_register'},
4493: $args->{'add_entries'});
4494: $result .= "\n<frameset $attr_string>\n";
4495: } else {
4496: $result .=
4497: &bodytag($title,
4498: $args->{'function'}, $args->{'add_entries'},
4499: $args->{'only_body'}, $args->{'domain'},
4500: $args->{'force_register'}, $args->{'body_title'},
4501: $args->{'no_nav_bar'}, $args->{'bgcolor'},
1.460 albertel 4502: $args->{'no_title'}, $args->{'no_inline_link'},
4503: $args);
1.338 albertel 4504: }
1.330 albertel 4505: }
1.338 albertel 4506:
1.315 albertel 4507: if ($args->{'js_ready'}) {
1.317 albertel 4508: $result = &js_ready($result);
1.315 albertel 4509: }
1.320 albertel 4510: if ($args->{'html_encode'}) {
4511: $result = &html_encode($result);
4512: }
1.315 albertel 4513: return $result;
1.306 albertel 4514: }
4515:
1.330 albertel 4516:
1.306 albertel 4517: =pod
4518:
4519: =over 4
4520:
4521: =item * &head()
4522:
4523: Returns a complete </body></html> section for LON-CAPA web pages.
4524:
1.315 albertel 4525: Inputs: $args - additional optional args supported are:
4526: js_ready -> return a string ready for being used in
4527: a javascript writeln
1.320 albertel 4528: html_encode -> return a string ready for being used in
4529: a html attribute
1.330 albertel 4530: frameset -> if true will start with a <frameset>
4531: rather than <body>
1.493 albertel 4532: dicsussion -> if true will get discussion from
4533: lonxml::xmlend
4534: (you can pass the target and parser arguments
4535: through optional 'target' and 'parser' args
4536: to this routine)
1.306 albertel 4537:
4538: =cut
4539:
4540: sub end_page {
1.315 albertel 4541: my ($args) = @_;
4542: $env{'internal.end_page'}++;
1.330 albertel 4543: my $result;
1.335 albertel 4544: if ($args->{'discussion'}) {
4545: my ($target,$parser);
4546: if (ref($args->{'discussion'})) {
4547: ($target,$parser) =($args->{'discussion'}{'target'},
4548: $args->{'discussion'}{'parser'});
4549: }
4550: $result .= &Apache::lonxml::xmlend($target,$parser);
4551: }
4552:
1.330 albertel 4553: if ($args->{'frameset'}) {
4554: $result .= '</frameset>';
4555: } else {
4556: $result .= &endbodytag();
4557: }
4558: $result .= "\n</html>";
4559:
1.315 albertel 4560: if ($args->{'js_ready'}) {
1.317 albertel 4561: $result = &js_ready($result);
1.315 albertel 4562: }
1.335 albertel 4563:
1.320 albertel 4564: if ($args->{'html_encode'}) {
4565: $result = &html_encode($result);
4566: }
1.335 albertel 4567:
1.315 albertel 4568: return $result;
4569: }
4570:
1.320 albertel 4571: sub html_encode {
4572: my ($result) = @_;
4573:
1.322 albertel 4574: $result = &HTML::Entities::encode($result,'<>&"');
1.320 albertel 4575:
4576: return $result;
4577: }
1.317 albertel 4578: sub js_ready {
4579: my ($result) = @_;
4580:
1.323 albertel 4581: $result =~ s/[\n\r]/ /xmsg;
4582: $result =~ s/\\/\\\\/xmsg;
4583: $result =~ s/'/\\'/xmsg;
1.372 albertel 4584: $result =~ s{</}{<\\/}xmsg;
1.317 albertel 4585:
4586: return $result;
4587: }
4588:
1.315 albertel 4589: sub validate_page {
4590: if ( exists($env{'internal.start_page'})
1.316 albertel 4591: && $env{'internal.start_page'} > 1) {
4592: &Apache::lonnet::logthis('start_page called multiple times '.
1.318 albertel 4593: $env{'internal.start_page'}.' '.
1.316 albertel 4594: $ENV{'request.filename'});
1.315 albertel 4595: }
4596: if ( exists($env{'internal.end_page'})
1.316 albertel 4597: && $env{'internal.end_page'} > 1) {
4598: &Apache::lonnet::logthis('end_page called multiple times '.
1.318 albertel 4599: $env{'internal.end_page'}.' '.
1.316 albertel 4600: $env{'request.filename'});
1.315 albertel 4601: }
4602: if ( exists($env{'internal.start_page'})
4603: && ! exists($env{'internal.end_page'})) {
1.316 albertel 4604: &Apache::lonnet::logthis('start_page called without end_page '.
4605: $env{'request.filename'});
1.315 albertel 4606: }
4607: if ( ! exists($env{'internal.start_page'})
4608: && exists($env{'internal.end_page'})) {
1.316 albertel 4609: &Apache::lonnet::logthis('end_page called without start_page'.
4610: $env{'request.filename'});
1.315 albertel 4611: }
1.306 albertel 4612: }
1.315 albertel 4613:
1.318 albertel 4614: sub simple_error_page {
4615: my ($r,$title,$msg) = @_;
4616: my $page =
4617: &Apache::loncommon::start_page($title).
4618: &mt($msg).
4619: &Apache::loncommon::end_page();
4620: if (ref($r)) {
4621: $r->print($page);
1.327 albertel 4622: return;
1.318 albertel 4623: }
4624: return $page;
4625: }
1.347 albertel 4626:
4627: {
4628: my $row_count;
4629: sub start_data_table {
1.422 albertel 4630: my ($add_class) = @_;
4631: my $css_class = (join(' ','LC_data_table',$add_class));
1.347 albertel 4632: undef($row_count);
1.422 albertel 4633: return '<table class="'.$css_class.'">'."\n";
1.347 albertel 4634: }
4635:
4636: sub end_data_table {
4637: undef($row_count);
1.389 albertel 4638: return '</table>'."\n";;
1.347 albertel 4639: }
4640:
4641: sub start_data_table_row {
1.422 albertel 4642: my ($add_class) = @_;
1.347 albertel 4643: $row_count++;
1.422 albertel 4644: my $css_class = ($row_count % 2)?'':'LC_even_row';
1.428 albertel 4645: $css_class = (join(' ',$css_class,$add_class));
1.422 albertel 4646: return '<tr class="'.$css_class.'">'."\n";;
1.347 albertel 4647: }
1.471 banghart 4648:
4649: sub continue_data_table_row {
4650: my ($add_class) = @_;
4651: my $css_class = ($row_count % 2)?'':'LC_even_row';
4652: $css_class = (join(' ',$css_class,$add_class));
4653: return '<tr class="'.$css_class.'">'."\n";;
4654: }
1.347 albertel 4655:
4656: sub end_data_table_row {
1.389 albertel 4657: return '</tr>'."\n";;
1.347 albertel 4658: }
1.367 www 4659:
1.421 albertel 4660: sub start_data_table_empty_row {
4661: $row_count++;
4662: return '<tr class="LC_empty_row" >'."\n";;
4663: }
4664:
4665: sub end_data_table_empty_row {
4666: return '</tr>'."\n";;
4667: }
4668:
1.367 www 4669: sub start_data_table_header_row {
1.389 albertel 4670: return '<tr class="LC_header_row">'."\n";;
1.367 www 4671: }
4672:
4673: sub end_data_table_header_row {
1.389 albertel 4674: return '</tr>'."\n";;
1.367 www 4675: }
1.347 albertel 4676: }
4677:
1.251 albertel 4678: ###############################################
1.182 matthew 4679:
4680: =pod
4681:
1.405 albertel 4682: =item * &get_users_function()
1.182 matthew 4683:
4684: Used by &bodytag to determine the current users primary role.
4685: Returns either 'student','coordinator','admin', or 'author'.
4686:
4687: =cut
4688:
4689: ###############################################
4690: sub get_users_function {
4691: my $function = 'student';
1.258 albertel 4692: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
1.182 matthew 4693: $function='coordinator';
4694: }
1.258 albertel 4695: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
1.182 matthew 4696: $function='admin';
4697: }
1.258 albertel 4698: if (($env{'request.role'}=~/^(au|ca)/) ||
1.182 matthew 4699: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
4700: $function='author';
4701: }
4702: return $function;
1.54 www 4703: }
1.99 www 4704:
4705: ###############################################
4706:
1.233 raeburn 4707: =pod
4708:
1.405 albertel 4709: =item * &check_user_status
1.274 raeburn 4710:
4711: Determines current status of supplied role for a
4712: specific user. Roles can be active, previous or future.
4713:
4714: Inputs:
4715: user's domain, user's username, course's domain,
1.375 raeburn 4716: course's number, optional section ID.
1.274 raeburn 4717:
4718: Outputs:
4719: role status: active, previous or future.
4720:
4721: =cut
4722:
4723: sub check_user_status {
1.412 raeburn 4724: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
1.274 raeburn 4725: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
4726: my @uroles = keys %userinfo;
4727: my $srchstr;
4728: my $active_chk = 'none';
1.412 raeburn 4729: my $now = time;
1.274 raeburn 4730: if (@uroles > 0) {
1.412 raeburn 4731: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
1.274 raeburn 4732: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
4733: } else {
1.412 raeburn 4734: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
4735: }
4736: if (grep/^\Q$srchstr\E$/,@uroles) {
1.274 raeburn 4737: my $role_end = 0;
4738: my $role_start = 0;
4739: $active_chk = 'active';
1.412 raeburn 4740: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
4741: $role_end = $1;
4742: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
4743: $role_start = $1;
1.274 raeburn 4744: }
4745: }
4746: if ($role_start > 0) {
1.412 raeburn 4747: if ($now < $role_start) {
1.274 raeburn 4748: $active_chk = 'future';
4749: }
4750: }
4751: if ($role_end > 0) {
1.412 raeburn 4752: if ($now > $role_end) {
1.274 raeburn 4753: $active_chk = 'previous';
4754: }
4755: }
4756: }
4757: }
4758: return $active_chk;
4759: }
4760:
4761: ###############################################
4762:
4763: =pod
4764:
1.405 albertel 4765: =item * &get_sections()
1.233 raeburn 4766:
4767: Determines all the sections for a course including
4768: sections with students and sections containing other roles.
1.419 raeburn 4769: Incoming parameters:
4770:
4771: 1. domain
4772: 2. course number
4773: 3. reference to array containing roles for which sections should
4774: be gathered (optional).
4775: 4. reference to array containing status types for which sections
4776: should be gathered (optional).
4777:
4778: If the third argument is undefined, sections are gathered for any role.
4779: If the fourth argument is undefined, sections are gathered for any status.
4780: Permissible values are 'active' or 'future' or 'previous'.
1.233 raeburn 4781:
1.374 raeburn 4782: Returns section hash (keys are section IDs, values are
4783: number of users in each section), subject to the
1.419 raeburn 4784: optional roles filter, optional status filter
1.233 raeburn 4785:
4786: =cut
4787:
4788: ###############################################
4789: sub get_sections {
1.419 raeburn 4790: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
1.366 albertel 4791: if (!defined($cdom) || !defined($cnum)) {
4792: my $cid = $env{'request.course.id'};
4793:
4794: return if (!defined($cid));
4795:
4796: $cdom = $env{'course.'.$cid.'.domain'};
4797: $cnum = $env{'course.'.$cid.'.num'};
4798: }
4799:
4800: my %sectioncount;
1.419 raeburn 4801: my $now = time;
1.240 albertel 4802:
1.366 albertel 4803: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
1.276 albertel 4804: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.240 albertel 4805: my $sec_index = &Apache::loncoursedata::CL_SECTION();
4806: my $status_index = &Apache::loncoursedata::CL_STATUS();
1.419 raeburn 4807: my $start_index = &Apache::loncoursedata::CL_START();
4808: my $end_index = &Apache::loncoursedata::CL_END();
4809: my $status;
1.366 albertel 4810: while (my ($student,$data) = each(%$classlist)) {
1.419 raeburn 4811: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
4812: $data->[$status_index],
4813: $data->[$start_index],
4814: $data->[$end_index]);
4815: if ($stu_status eq 'Active') {
4816: $status = 'active';
4817: } elsif ($end < $now) {
4818: $status = 'previous';
4819: } elsif ($start > $now) {
4820: $status = 'future';
4821: }
4822: if ($section ne '-1' && $section !~ /^\s*$/) {
4823: if ((!defined($possible_status)) || (($status ne '') &&
4824: (grep/^\Q$status\E$/,@{$possible_status}))) {
4825: $sectioncount{$section}++;
4826: }
1.240 albertel 4827: }
4828: }
4829: }
4830: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4831: foreach my $user (sort(keys(%courseroles))) {
4832: if ($user !~ /^(\w{2})/) { next; }
4833: my ($role) = ($user =~ /^(\w{2})/);
4834: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
1.419 raeburn 4835: my ($section,$status);
1.240 albertel 4836: if ($role eq 'cr' &&
4837: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
4838: $section=$1;
4839: }
4840: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
4841: if (!defined($section) || $section eq '-1') { next; }
1.419 raeburn 4842: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
4843: if ($end == -1 && $start == -1) {
4844: next; #deleted role
4845: }
4846: if (!defined($possible_status)) {
4847: $sectioncount{$section}++;
4848: } else {
4849: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
4850: $status = 'active';
4851: } elsif ($end < $now) {
4852: $status = 'future';
4853: } elsif ($start > $now) {
4854: $status = 'previous';
4855: }
4856: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
4857: $sectioncount{$section}++;
4858: }
4859: }
1.233 raeburn 4860: }
1.366 albertel 4861: return %sectioncount;
1.233 raeburn 4862: }
4863:
1.274 raeburn 4864: ###############################################
1.294 raeburn 4865:
4866: =pod
1.405 albertel 4867:
4868: =item * &get_course_users()
4869:
1.275 raeburn 4870: Retrieves usernames:domains for users in the specified course
4871: with specific role(s), and access status.
4872:
4873: Incoming parameters:
1.277 albertel 4874: 1. course domain
4875: 2. course number
4876: 3. access status: users must have - either active,
1.275 raeburn 4877: previous, future, or all.
1.277 albertel 4878: 4. reference to array of permissible roles
1.288 raeburn 4879: 5. reference to array of section restrictions (optional)
4880: 6. reference to results object (hash of hashes).
4881: 7. reference to optional userdata hash
1.275 raeburn 4882: Keys of top level hash are roles.
4883: Keys of inner hashes are username:domain, with
4884: values set to access type.
1.288 raeburn 4885: Optional userdata hash returns an array with arguments in the
4886: same order as loncoursedata::get_classlist() for student data.
4887:
4888: Entries for end, start, section and status are blank because
4889: of the possibility of multiple values for non-student roles.
4890:
1.275 raeburn 4891: =cut
1.405 albertel 4892:
1.275 raeburn 4893: ###############################################
1.405 albertel 4894:
1.275 raeburn 4895: sub get_course_users {
1.288 raeburn 4896: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
4897: my %idx = ();
1.419 raeburn 4898: my %seclists;
1.288 raeburn 4899:
4900: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
4901: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
4902: $idx{end} = &Apache::loncoursedata::CL_END();
4903: $idx{start} = &Apache::loncoursedata::CL_START();
4904: $idx{id} = &Apache::loncoursedata::CL_ID();
4905: $idx{section} = &Apache::loncoursedata::CL_SECTION();
4906: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
4907: $idx{status} = &Apache::loncoursedata::CL_STATUS();
4908:
1.290 albertel 4909: if (grep(/^st$/,@{$roles})) {
1.276 albertel 4910: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
1.278 raeburn 4911: my $now = time;
1.277 albertel 4912: foreach my $student (keys(%{$classlist})) {
1.288 raeburn 4913: my $match = 0;
1.412 raeburn 4914: my $secmatch = 0;
1.419 raeburn 4915: my $section = $$classlist{$student}[$idx{section}];
4916: if ($section eq '') {
4917: $section = 'none';
4918: }
1.291 albertel 4919: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4920: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4921: $secmatch = 1;
4922: } elsif ($$classlist{$student}[$idx{section}] eq '') {
1.420 albertel 4923: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4924: $secmatch = 1;
4925: }
4926: } else {
1.419 raeburn 4927: if (grep(/^\Q$section\E$/,@{$sections})) {
1.412 raeburn 4928: $secmatch = 1;
4929: }
1.290 albertel 4930: }
1.412 raeburn 4931: if (!$secmatch) {
4932: next;
4933: }
1.419 raeburn 4934: }
1.420 albertel 4935: push(@{$seclists{$student}},$section);
1.275 raeburn 4936: if (defined($$types{'active'})) {
1.288 raeburn 4937: if ($$classlist{$student}[$idx{status}] eq 'Active') {
1.275 raeburn 4938: push(@{$$users{st}{$student}},'active');
1.288 raeburn 4939: $match = 1;
1.275 raeburn 4940: }
4941: }
4942: if (defined($$types{'previous'})) {
1.288 raeburn 4943: if ($$classlist{$student}[$idx{end}] <= $now) {
1.275 raeburn 4944: push(@{$$users{st}{$student}},'previous');
1.288 raeburn 4945: $match = 1;
1.275 raeburn 4946: }
4947: }
4948: if (defined($$types{'future'})) {
1.288 raeburn 4949: if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
1.275 raeburn 4950: push(@{$$users{st}{$student}},'future');
1.288 raeburn 4951: $match = 1;
1.275 raeburn 4952: }
4953: }
1.412 raeburn 4954: if ($match && ref($userdata) eq 'HASH') {
1.288 raeburn 4955: $$userdata{$student} = $$classlist{$student};
4956: }
1.275 raeburn 4957: }
4958: }
1.412 raeburn 4959: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
1.439 raeburn 4960: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
4961: my $now = time;
4962: foreach my $person (sort(keys(%coursepersonnel))) {
1.288 raeburn 4963: my $match = 0;
1.412 raeburn 4964: my $secmatch = 0;
1.439 raeburn 4965: my $status;
1.412 raeburn 4966: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
1.275 raeburn 4967: $user =~ s/:$//;
1.439 raeburn 4968: my ($end,$start) = split(/:/,$coursepersonnel{$person});
4969: if ($end == -1 || $start == -1) {
4970: next;
4971: }
4972: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
4973: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
1.412 raeburn 4974: my ($uname,$udom) = split(/:/,$user);
4975: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
1.420 albertel 4976: if (grep(/^all$/,@{$sections})) {
1.412 raeburn 4977: $secmatch = 1;
4978: } elsif ($usec eq '') {
1.420 albertel 4979: if (grep(/^none$/,@{$sections})) {
1.412 raeburn 4980: $secmatch = 1;
4981: }
4982: } else {
4983: if (grep(/^\Q$usec\E$/,@{$sections})) {
4984: $secmatch = 1;
4985: }
4986: }
4987: if (!$secmatch) {
4988: next;
4989: }
1.288 raeburn 4990: }
1.419 raeburn 4991: if ($usec eq '') {
4992: $usec = 'none';
4993: }
1.275 raeburn 4994: if ($uname ne '' && $udom ne '') {
1.503 raeburn 4995: if ($end > 0 && $end < $now) {
1.439 raeburn 4996: $status = 'previous';
4997: } elsif ($start > $now) {
4998: $status = 'future';
4999: } else {
5000: $status = 'active';
5001: }
1.277 albertel 5002: foreach my $type (keys(%{$types})) {
1.275 raeburn 5003: if ($status eq $type) {
1.420 albertel 5004: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
1.419 raeburn 5005: push(@{$$users{$role}{$user}},$type);
5006: }
1.288 raeburn 5007: $match = 1;
5008: }
5009: }
1.419 raeburn 5010: if (($match) && (ref($userdata) eq 'HASH')) {
5011: if (!exists($$userdata{$uname.':'.$udom})) {
5012: &get_user_info($udom,$uname,\%idx,$userdata);
5013: }
1.420 albertel 5014: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
1.419 raeburn 5015: push(@{$seclists{$uname.':'.$udom}},$usec);
5016: }
1.275 raeburn 5017: }
5018: }
5019: }
5020: }
1.290 albertel 5021: if (grep(/^ow$/,@{$roles})) {
1.279 raeburn 5022: if ((defined($cdom)) && (defined($cnum))) {
5023: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
5024: if ( defined($csettings{'internal.courseowner'}) ) {
5025: my $owner = $csettings{'internal.courseowner'};
1.439 raeburn 5026: if ($owner !~ /^[^:]+:[^:]+$/) {
5027: $owner = $owner.':'.$cdom;
5028: }
5029: @{$$users{'ow'}{$owner}} = 'any';
1.290 albertel 5030: if (defined($userdata) &&
5031: !exists($$userdata{$owner.':'.$cdom})) {
5032: &get_user_info($cdom,$owner,\%idx,$userdata);
1.420 albertel 5033: if (!grep(/^none$/,@{$seclists{$owner.':'.$cdom}})) {
1.419 raeburn 5034: push(@{$seclists{$owner.':'.$cdom}},'none');
5035: }
1.290 albertel 5036: }
1.279 raeburn 5037: }
5038: }
5039: }
1.419 raeburn 5040: foreach my $user (keys(%seclists)) {
5041: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
5042: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
5043: }
1.275 raeburn 5044: }
5045: return;
5046: }
5047:
1.288 raeburn 5048: sub get_user_info {
5049: my ($udom,$uname,$idx,$userdata) = @_;
1.289 albertel 5050: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
5051: &plainname($uname,$udom,'lastname');
1.291 albertel 5052: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
1.297 raeburn 5053: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
1.288 raeburn 5054: return;
5055: }
1.275 raeburn 5056:
1.472 raeburn 5057: ###############################################
5058:
5059: =pod
5060:
5061: =item * &get_user_quota()
5062:
5063: Retrieves quota assigned for storage of portfolio files for a user
5064:
5065: Incoming parameters:
5066: 1. user's username
5067: 2. user's domain
5068:
5069: Returns:
5070: 1. Disk quota (in Mb) assigned to student.
5071:
5072: If a value has been stored in the user's environment,
5073: it will return that, otherwise it returns the default
5074: for users in the domain.
5075:
5076: =cut
5077:
5078: ###############################################
5079:
5080:
5081: sub get_user_quota {
5082: my ($uname,$udom) = @_;
5083: my $quota;
5084: if (!defined($udom)) {
5085: $udom = $env{'user.domain'};
5086: }
5087: if (!defined($uname)) {
5088: $uname = $env{'user.name'};
5089: }
5090: if (($udom eq '' || $uname eq '') ||
5091: ($udom eq 'public') && ($uname eq 'public')) {
5092: $quota = 0;
5093: } else {
5094: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
5095: $quota = $env{'environment.portfolioquota'};
5096: } else {
5097: my %userenv = &Apache::lonnet::dump('environment',$udom,$uname);
5098: my ($tmp) = keys(%userenv);
5099: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
5100: $quota = $userenv{'portfolioquota'};
5101: } else {
5102: undef(%userenv);
5103: }
5104: }
5105: if ($quota eq '') {
5106: $quota = &default_quota($udom);
5107: }
5108: }
5109: return $quota;
5110: }
5111:
5112: ###############################################
5113:
5114: =pod
5115:
5116: =item * &default_quota()
5117:
5118: Retrieves default quota assigned for storage of user portfolio files
5119:
5120: Incoming parameters:
5121: 1. domain
5122:
5123: Returns:
5124: 1. Default disk quota (in Mb) for user portfolios in the domain.
5125:
5126: If a value has been stored in the domain's configuration db,
5127: it will return that, otherwise it returns 20 (for backwards
5128: compatibility with domains which have not set up a configuration
5129: db file; the original statically defined portfolio quota was 20 Mb).
5130:
5131: =cut
5132:
5133: ###############################################
5134:
5135:
5136: sub default_quota {
5137: my ($udom) = @_;
5138: my %defaults = &Apache::lonnet::get_dom('configuration',
5139: ['portfolioquota'],$udom);
5140: if ($defaults{'portfolioquota'} ne '') {
5141: return $defaults{'portfolioquota'};
5142: } else {
5143: return '20';
5144: }
5145: }
5146:
1.384 raeburn 5147: sub get_secgrprole_info {
5148: my ($cdom,$cnum,$needroles,$type) = @_;
5149: my %sections_count = &get_sections($cdom,$cnum);
5150: my @sections = (sort {$a <=> $b} keys(%sections_count));
5151: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
5152: my @groups = sort(keys(%curr_groups));
5153: my $allroles = [];
5154: my $rolehash;
5155: my $accesshash = {
5156: active => 'Currently has access',
5157: future => 'Will have future access',
5158: previous => 'Previously had access',
5159: };
5160: if ($needroles) {
5161: $rolehash = {'all' => 'all'};
1.385 albertel 5162: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
5163: if (&Apache::lonnet::error(%user_roles)) {
5164: undef(%user_roles);
5165: }
5166: foreach my $item (keys(%user_roles)) {
1.384 raeburn 5167: my ($role)=split(/\:/,$item,2);
5168: if ($role eq 'cr') { next; }
5169: if ($role =~ /^cr/) {
5170: $$rolehash{$role} = (split('/',$role))[3];
5171: } else {
5172: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
5173: }
5174: }
5175: foreach my $key (sort(keys(%{$rolehash}))) {
5176: push(@{$allroles},$key);
5177: }
5178: push (@{$allroles},'st');
5179: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
5180: }
5181: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
5182: }
5183:
1.112 bowersj2 5184: =pod
5185:
5186: =item * get_unprocessed_cgi($query,$possible_names)
5187:
1.258 albertel 5188: Modify the %env hash to contain unprocessed CGI form parameters held in
1.112 bowersj2 5189: $query. The parameters listed in $possible_names (an array reference),
1.258 albertel 5190: will be set in $env{'form.name'} if they do not already exist.
1.112 bowersj2 5191:
5192: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
5193: $possible_names is an ref to an array of form element names. As an example:
5194: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
1.258 albertel 5195: will result in $env{'form.uname'} and $env{'form.udom'} being set.
1.112 bowersj2 5196:
5197: =cut
1.1 albertel 5198:
1.6 albertel 5199: sub get_unprocessed_cgi {
1.25 albertel 5200: my ($query,$possible_names)= @_;
1.26 matthew 5201: # $Apache::lonxml::debug=1;
1.356 albertel 5202: foreach my $pair (split(/&/,$query)) {
5203: my ($name, $value) = split(/=/,$pair);
1.369 www 5204: $name = &unescape($name);
1.25 albertel 5205: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
5206: $value =~ tr/+/ /;
5207: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.258 albertel 5208: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
1.25 albertel 5209: }
1.16 harris41 5210: }
1.6 albertel 5211: }
5212:
1.112 bowersj2 5213: =pod
5214:
5215: =item * cacheheader()
5216:
5217: returns cache-controlling header code
5218:
5219: =cut
5220:
1.7 albertel 5221: sub cacheheader {
1.258 albertel 5222: unless ($env{'request.method'} eq 'GET') { return ''; }
1.216 albertel 5223: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
5224: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
1.7 albertel 5225: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
5226: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
1.216 albertel 5227: return $output;
1.7 albertel 5228: }
5229:
1.112 bowersj2 5230: =pod
5231:
5232: =item * no_cache($r)
5233:
5234: specifies header code to not have cache
5235:
5236: =cut
5237:
1.9 albertel 5238: sub no_cache {
1.216 albertel 5239: my ($r) = @_;
5240: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
1.258 albertel 5241: $env{'request.method'} ne 'GET') { return ''; }
1.216 albertel 5242: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
5243: $r->no_cache(1);
5244: $r->header_out("Expires" => $date);
5245: $r->header_out("Pragma" => "no-cache");
1.123 www 5246: }
5247:
5248: sub content_type {
1.181 albertel 5249: my ($r,$type,$charset) = @_;
1.299 foxr 5250: if ($r) {
5251: # Note that printout.pl calls this with undef for $r.
5252: &no_cache($r);
5253: }
1.258 albertel 5254: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
1.181 albertel 5255: unless ($charset) {
5256: $charset=&Apache::lonlocal::current_encoding;
5257: }
5258: if ($charset) { $type.='; charset='.$charset; }
5259: if ($r) {
5260: $r->content_type($type);
5261: } else {
5262: print("Content-type: $type\n\n");
5263: }
1.9 albertel 5264: }
1.25 albertel 5265:
1.112 bowersj2 5266: =pod
5267:
5268: =item * add_to_env($name,$value)
5269:
1.258 albertel 5270: adds $name to the %env hash with value
1.112 bowersj2 5271: $value, if $name already exists, the entry is converted to an array
5272: reference and $value is added to the array.
5273:
5274: =cut
5275:
1.25 albertel 5276: sub add_to_env {
5277: my ($name,$value)=@_;
1.258 albertel 5278: if (defined($env{$name})) {
5279: if (ref($env{$name})) {
1.25 albertel 5280: #already have multiple values
1.258 albertel 5281: push(@{ $env{$name} },$value);
1.25 albertel 5282: } else {
5283: #first time seeing multiple values, convert hash entry to an arrayref
1.258 albertel 5284: my $first=$env{$name};
5285: undef($env{$name});
5286: push(@{ $env{$name} },$first,$value);
1.25 albertel 5287: }
5288: } else {
1.258 albertel 5289: $env{$name}=$value;
1.25 albertel 5290: }
1.31 albertel 5291: }
1.149 albertel 5292:
5293: =pod
5294:
5295: =item * get_env_multiple($name)
5296:
1.258 albertel 5297: gets $name from the %env hash, it seemlessly handles the cases where multiple
1.149 albertel 5298: values may be defined and end up as an array ref.
5299:
5300: returns an array of values
5301:
5302: =cut
5303:
5304: sub get_env_multiple {
5305: my ($name) = @_;
5306: my @values;
1.258 albertel 5307: if (defined($env{$name})) {
1.149 albertel 5308: # exists is it an array
1.258 albertel 5309: if (ref($env{$name})) {
5310: @values=@{ $env{$name} };
1.149 albertel 5311: } else {
1.258 albertel 5312: $values[0]=$env{$name};
1.149 albertel 5313: }
5314: }
5315: return(@values);
5316: }
5317:
1.31 albertel 5318:
1.41 ng 5319: =pod
1.45 matthew 5320:
1.464 albertel 5321: =back
1.41 ng 5322:
1.112 bowersj2 5323: =head1 CSV Upload/Handling functions
1.38 albertel 5324:
1.41 ng 5325: =over 4
5326:
1.112 bowersj2 5327: =item * upfile_store($r)
1.41 ng 5328:
5329: Store uploaded file, $r should be the HTTP Request object,
1.258 albertel 5330: needs $env{'form.upfile'}
1.41 ng 5331: returns $datatoken to be put into hidden field
5332:
5333: =cut
1.31 albertel 5334:
5335: sub upfile_store {
5336: my $r=shift;
1.258 albertel 5337: $env{'form.upfile'}=~s/\r/\n/gs;
5338: $env{'form.upfile'}=~s/\f/\n/gs;
5339: $env{'form.upfile'}=~s/\n+/\n/gs;
5340: $env{'form.upfile'}=~s/\n+$//gs;
1.31 albertel 5341:
1.258 albertel 5342: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
5343: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
1.31 albertel 5344: {
1.158 raeburn 5345: my $datafile = $r->dir_config('lonDaemons').
5346: '/tmp/'.$datatoken.'.tmp';
5347: if ( open(my $fh,">$datafile") ) {
1.258 albertel 5348: print $fh $env{'form.upfile'};
1.158 raeburn 5349: close($fh);
5350: }
1.31 albertel 5351: }
5352: return $datatoken;
5353: }
5354:
1.56 matthew 5355: =pod
5356:
1.112 bowersj2 5357: =item * load_tmp_file($r)
1.41 ng 5358:
5359: Load uploaded file from tmp, $r should be the HTTP Request object,
1.258 albertel 5360: needs $env{'form.datatoken'},
5361: sets $env{'form.upfile'} to the contents of the file
1.41 ng 5362:
5363: =cut
1.31 albertel 5364:
5365: sub load_tmp_file {
5366: my $r=shift;
5367: my @studentdata=();
5368: {
1.158 raeburn 5369: my $studentfile = $r->dir_config('lonDaemons').
1.258 albertel 5370: '/tmp/'.$env{'form.datatoken'}.'.tmp';
1.158 raeburn 5371: if ( open(my $fh,"<$studentfile") ) {
5372: @studentdata=<$fh>;
5373: close($fh);
5374: }
1.31 albertel 5375: }
1.258 albertel 5376: $env{'form.upfile'}=join('',@studentdata);
1.31 albertel 5377: }
5378:
1.56 matthew 5379: =pod
5380:
1.112 bowersj2 5381: =item * upfile_record_sep()
1.41 ng 5382:
5383: Separate uploaded file into records
5384: returns array of records,
1.258 albertel 5385: needs $env{'form.upfile'} and $env{'form.upfiletype'}
1.41 ng 5386:
5387: =cut
1.31 albertel 5388:
5389: sub upfile_record_sep {
1.258 albertel 5390: if ($env{'form.upfiletype'} eq 'xml') {
1.31 albertel 5391: } else {
1.248 albertel 5392: my @records;
1.258 albertel 5393: foreach my $line (split(/\n/,$env{'form.upfile'})) {
1.248 albertel 5394: if ($line=~/^\s*$/) { next; }
5395: push(@records,$line);
5396: }
5397: return @records;
1.31 albertel 5398: }
5399: }
5400:
1.56 matthew 5401: =pod
5402:
1.112 bowersj2 5403: =item * record_sep($record)
1.41 ng 5404:
1.258 albertel 5405: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
1.41 ng 5406:
5407: =cut
5408:
1.263 www 5409: sub takeleft {
5410: my $index=shift;
5411: return substr('0000'.$index,-4,4);
5412: }
5413:
1.31 albertel 5414: sub record_sep {
5415: my $record=shift;
5416: my %components=();
1.258 albertel 5417: if ($env{'form.upfiletype'} eq 'xml') {
5418: } elsif ($env{'form.upfiletype'} eq 'space') {
1.31 albertel 5419: my $i=0;
1.356 albertel 5420: foreach my $field (split(/\s+/,$record)) {
1.31 albertel 5421: $field=~s/^(\"|\')//;
5422: $field=~s/(\"|\')$//;
1.263 www 5423: $components{&takeleft($i)}=$field;
1.31 albertel 5424: $i++;
5425: }
1.258 albertel 5426: } elsif ($env{'form.upfiletype'} eq 'tab') {
1.31 albertel 5427: my $i=0;
1.356 albertel 5428: foreach my $field (split(/\t/,$record)) {
1.31 albertel 5429: $field=~s/^(\"|\')//;
5430: $field=~s/(\"|\')$//;
1.263 www 5431: $components{&takeleft($i)}=$field;
1.31 albertel 5432: $i++;
5433: }
5434: } else {
1.480 banghart 5435: my @allfields;
5436: if ($env{'form.upfiletype'} eq 'semisv') {
1.504 albertel 5437: @allfields=split(/;/,$record,-1);
1.480 banghart 5438: } else {
1.504 albertel 5439: @allfields=split(/\,/,$record,-1);
1.480 banghart 5440: }
1.31 albertel 5441: my $i=0;
5442: my $j;
5443: for ($j=0;$j<=$#allfields;$j++) {
5444: my $field=$allfields[$j];
5445: if ($field=~/^\s*(\"|\')/) {
5446: my $delimiter=$1;
5447: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
5448: $j++;
5449: $field.=','.$allfields[$j];
5450: }
5451: $field=~s/^\s*$delimiter//;
5452: $field=~s/$delimiter\s*$//;
5453: }
1.263 www 5454: $components{&takeleft($i)}=$field;
1.31 albertel 5455: $i++;
5456: }
5457: }
5458: return %components;
5459: }
5460:
1.144 matthew 5461: ######################################################
5462: ######################################################
5463:
1.56 matthew 5464: =pod
5465:
1.112 bowersj2 5466: =item * upfile_select_html()
1.41 ng 5467:
1.144 matthew 5468: Return HTML code to select a file from the users machine and specify
5469: the file type.
1.41 ng 5470:
5471: =cut
5472:
1.144 matthew 5473: ######################################################
5474: ######################################################
1.31 albertel 5475: sub upfile_select_html {
1.144 matthew 5476: my %Types = (
5477: csv => &mt('CSV (comma separated values, spreadsheet)'),
1.480 banghart 5478: semisv => &mt('Semicolon separated values'),
1.144 matthew 5479: space => &mt('Space separated'),
5480: tab => &mt('Tabulator separated'),
5481: # xml => &mt('HTML/XML'),
5482: );
5483: my $Str = '<input type="file" name="upfile" size="50" />'.
5484: '<br />Type: <select name="upfiletype">';
5485: foreach my $type (sort(keys(%Types))) {
5486: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
5487: }
5488: $Str .= "</select>\n";
5489: return $Str;
1.31 albertel 5490: }
5491:
1.301 albertel 5492: sub get_samples {
5493: my ($records,$toget) = @_;
5494: my @samples=({});
5495: my $got=0;
5496: foreach my $rec (@$records) {
5497: my %temp = &record_sep($rec);
5498: if (! grep(/\S/, values(%temp))) { next; }
5499: if (%temp) {
5500: $samples[$got]=\%temp;
5501: $got++;
5502: if ($got == $toget) { last; }
5503: }
5504: }
5505: return \@samples;
5506: }
5507:
1.144 matthew 5508: ######################################################
5509: ######################################################
5510:
1.56 matthew 5511: =pod
5512:
1.112 bowersj2 5513: =item * csv_print_samples($r,$records)
1.41 ng 5514:
5515: Prints a table of sample values from each column uploaded $r is an
5516: Apache Request ref, $records is an arrayref from
5517: &Apache::loncommon::upfile_record_sep
5518:
5519: =cut
5520:
1.144 matthew 5521: ######################################################
5522: ######################################################
1.31 albertel 5523: sub csv_print_samples {
5524: my ($r,$records) = @_;
1.301 albertel 5525: my $samples = &get_samples($records,3);
5526:
1.144 matthew 5527: $r->print(&mt('Samples').'<br /><table border="2"><tr>');
1.356 albertel 5528: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5529: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
1.31 albertel 5530: $r->print('</tr>');
1.301 albertel 5531: foreach my $hash (@$samples) {
1.31 albertel 5532: $r->print('<tr>');
1.356 albertel 5533: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
1.31 albertel 5534: $r->print('<td>');
1.356 albertel 5535: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
1.31 albertel 5536: $r->print('</td>');
5537: }
5538: $r->print('</tr>');
5539: }
5540: $r->print('</tr></table><br />'."\n");
5541: }
5542:
1.144 matthew 5543: ######################################################
5544: ######################################################
5545:
1.56 matthew 5546: =pod
5547:
1.112 bowersj2 5548: =item * csv_print_select_table($r,$records,$d)
1.41 ng 5549:
5550: Prints a table to create associations between values and table columns.
1.144 matthew 5551:
1.41 ng 5552: $r is an Apache Request ref,
5553: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
1.174 matthew 5554: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
1.41 ng 5555:
5556: =cut
5557:
1.144 matthew 5558: ######################################################
5559: ######################################################
1.31 albertel 5560: sub csv_print_select_table {
5561: my ($r,$records,$d) = @_;
1.301 albertel 5562: my $i=0;
5563: my $samples = &get_samples($records,1);
1.144 matthew 5564: $r->print(&mt('Associate columns with student attributes.')."\n".
5565: '<table border="2"><tr>'.
5566: '<th>'.&mt('Attribute').'</th>'.
5567: '<th>'.&mt('Column').'</th></tr>'."\n");
1.356 albertel 5568: foreach my $array_ref (@$d) {
5569: my ($value,$display,$defaultcol)=@{ $array_ref };
1.31 albertel 5570: $r->print('<tr><td>'.$display.'</td>');
5571:
5572: $r->print('<td><select name=f'.$i.
1.32 matthew 5573: ' onchange="javascript:flip(this.form,'.$i.');">');
1.31 albertel 5574: $r->print('<option value="none"></option>');
1.356 albertel 5575: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
5576: $r->print('<option value="'.$sample.'"'.
5577: ($sample eq $defaultcol ? ' selected="selected" ' : '').
5578: '>Column '.($sample+1).'</option>');
1.31 albertel 5579: }
5580: $r->print('</select></td></tr>'."\n");
5581: $i++;
5582: }
5583: $i--;
5584: return $i;
5585: }
1.56 matthew 5586:
1.144 matthew 5587: ######################################################
5588: ######################################################
5589:
1.56 matthew 5590: =pod
1.31 albertel 5591:
1.112 bowersj2 5592: =item * csv_samples_select_table($r,$records,$d)
1.41 ng 5593:
5594: Prints a table of sample values from the upload and can make associate samples to internal names.
5595:
5596: $r is an Apache Request ref,
5597: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
5598: $d is an array of 2 element arrays (internal name, displayed name)
5599:
5600: =cut
5601:
1.144 matthew 5602: ######################################################
5603: ######################################################
1.31 albertel 5604: sub csv_samples_select_table {
5605: my ($r,$records,$d) = @_;
5606: my $i=0;
1.144 matthew 5607: #
1.301 albertel 5608: my $samples = &get_samples($records,3);
1.144 matthew 5609: $r->print('<table border=2><tr><th>'.
5610: &mt('Field').'</th><th>'.&mt('Samples').'</th></tr>');
1.301 albertel 5611:
5612: foreach my $key (sort(keys(%{ $samples->[0] }))) {
1.144 matthew 5613: $r->print('<tr><td><select name="f'.$i.'"'.
1.32 matthew 5614: ' onchange="javascript:flip(this.form,'.$i.');">');
1.301 albertel 5615: foreach my $option (@$d) {
5616: my ($value,$display,$defaultcol)=@{ $option };
1.174 matthew 5617: $r->print('<option value="'.$value.'"'.
1.253 albertel 5618: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
1.174 matthew 5619: $display.'</option>');
1.31 albertel 5620: }
5621: $r->print('</select></td><td>');
1.301 albertel 5622: foreach my $line (0..2) {
5623: if (defined($samples->[$line]{$key})) {
5624: $r->print($samples->[$line]{$key}."<br />\n");
5625: }
5626: }
1.31 albertel 5627: $r->print('</td></tr>');
5628: $i++;
5629: }
5630: $i--;
5631: return($i);
1.115 matthew 5632: }
5633:
1.144 matthew 5634: ######################################################
5635: ######################################################
5636:
1.115 matthew 5637: =pod
5638:
5639: =item clean_excel_name($name)
5640:
5641: Returns a replacement for $name which does not contain any illegal characters.
5642:
5643: =cut
5644:
1.144 matthew 5645: ######################################################
5646: ######################################################
1.115 matthew 5647: sub clean_excel_name {
5648: my ($name) = @_;
5649: $name =~ s/[:\*\?\/\\]//g;
5650: if (length($name) > 31) {
5651: $name = substr($name,0,31);
5652: }
5653: return $name;
1.25 albertel 5654: }
1.84 albertel 5655:
1.85 albertel 5656: =pod
5657:
1.112 bowersj2 5658: =item * check_if_partid_hidden($id,$symb,$udom,$uname)
1.85 albertel 5659:
5660: Returns either 1 or undef
5661:
5662: 1 if the part is to be hidden, undef if it is to be shown
5663:
5664: Arguments are:
5665:
5666: $id the id of the part to be checked
5667: $symb, optional the symb of the resource to check
5668: $udom, optional the domain of the user to check for
5669: $uname, optional the username of the user to check for
5670:
5671: =cut
1.84 albertel 5672:
5673: sub check_if_partid_hidden {
5674: my ($id,$symb,$udom,$uname) = @_;
1.133 albertel 5675: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
1.84 albertel 5676: $symb,$udom,$uname);
1.141 albertel 5677: my $truth=1;
5678: #if the string starts with !, then the list is the list to show not hide
5679: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
1.84 albertel 5680: my @hiddenlist=split(/,/,$hiddenparts);
5681: foreach my $checkid (@hiddenlist) {
1.141 albertel 5682: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
1.84 albertel 5683: }
1.141 albertel 5684: return !$truth;
1.84 albertel 5685: }
1.127 matthew 5686:
1.138 matthew 5687:
5688: ############################################################
5689: ############################################################
5690:
5691: =pod
5692:
1.157 matthew 5693: =back
5694:
1.138 matthew 5695: =head1 cgi-bin script and graphing routines
5696:
1.157 matthew 5697: =over 4
5698:
1.138 matthew 5699: =item get_cgi_id
5700:
5701: Inputs: none
5702:
5703: Returns an id which can be used to pass environment variables
5704: to various cgi-bin scripts. These environment variables will
5705: be removed from the users environment after a given time by
5706: the routine &Apache::lonnet::transfer_profile_to_env.
5707:
5708: =cut
5709:
5710: ############################################################
5711: ############################################################
1.152 albertel 5712: my $uniq=0;
1.136 matthew 5713: sub get_cgi_id {
1.154 albertel 5714: $uniq=($uniq+1)%100000;
1.280 albertel 5715: return (time.'_'.$$.'_'.$uniq);
1.136 matthew 5716: }
5717:
1.127 matthew 5718: ############################################################
5719: ############################################################
5720:
5721: =pod
5722:
1.134 matthew 5723: =item DrawBarGraph
1.127 matthew 5724:
1.138 matthew 5725: Facilitates the plotting of data in a (stacked) bar graph.
5726: Puts plot definition data into the users environment in order for
5727: graph.png to plot it. Returns an <img> tag for the plot.
5728: The bars on the plot are labeled '1','2',...,'n'.
5729:
5730: Inputs:
5731:
5732: =over 4
5733:
5734: =item $Title: string, the title of the plot
5735:
5736: =item $xlabel: string, text describing the X-axis of the plot
5737:
5738: =item $ylabel: string, text describing the Y-axis of the plot
5739:
5740: =item $Max: scalar, the maximum Y value to use in the plot
5741: If $Max is < any data point, the graph will not be rendered.
5742:
1.140 matthew 5743: =item $colors: array ref holding the colors to be used for the data sets when
1.138 matthew 5744: they are plotted. If undefined, default values will be used.
5745:
1.178 matthew 5746: =item $labels: array ref holding the labels to use on the x-axis for the bars.
5747:
1.138 matthew 5748: =item @Values: An array of array references. Each array reference holds data
5749: to be plotted in a stacked bar chart.
5750:
1.239 matthew 5751: =item If the final element of @Values is a hash reference the key/value
5752: pairs will be added to the graph definition.
5753:
1.138 matthew 5754: =back
5755:
5756: Returns:
5757:
5758: An <img> tag which references graph.png and the appropriate identifying
5759: information for the plot.
5760:
1.127 matthew 5761: =cut
5762:
5763: ############################################################
5764: ############################################################
1.134 matthew 5765: sub DrawBarGraph {
1.178 matthew 5766: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
1.134 matthew 5767: #
5768: if (! defined($colors)) {
5769: $colors = ['#33ff00',
5770: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
5771: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
5772: ];
5773: }
1.228 matthew 5774: my $extra_settings = {};
5775: if (ref($Values[-1]) eq 'HASH') {
5776: $extra_settings = pop(@Values);
5777: }
1.127 matthew 5778: #
1.136 matthew 5779: my $identifier = &get_cgi_id();
5780: my $id = 'cgi.'.$identifier;
1.129 matthew 5781: if (! @Values || ref($Values[0]) ne 'ARRAY') {
1.127 matthew 5782: return '';
5783: }
1.225 matthew 5784: #
5785: my @Labels;
5786: if (defined($labels)) {
5787: @Labels = @$labels;
5788: } else {
5789: for (my $i=0;$i<@{$Values[0]};$i++) {
5790: push (@Labels,$i+1);
5791: }
5792: }
5793: #
1.129 matthew 5794: my $NumBars = scalar(@{$Values[0]});
1.225 matthew 5795: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
1.129 matthew 5796: my %ValuesHash;
5797: my $NumSets=1;
5798: foreach my $array (@Values) {
5799: next if (! ref($array));
1.136 matthew 5800: $ValuesHash{$id.'.data.'.$NumSets++} =
1.132 matthew 5801: join(',',@$array);
1.129 matthew 5802: }
1.127 matthew 5803: #
1.136 matthew 5804: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
1.225 matthew 5805: if ($NumBars < 3) {
5806: $width = 120+$NumBars*32;
1.220 matthew 5807: $xskip = 1;
1.225 matthew 5808: $bar_width = 30;
5809: } elsif ($NumBars < 5) {
5810: $width = 120+$NumBars*20;
5811: $xskip = 1;
5812: $bar_width = 20;
1.220 matthew 5813: } elsif ($NumBars < 10) {
1.136 matthew 5814: $width = 120+$NumBars*15;
5815: $xskip = 1;
5816: $bar_width = 15;
5817: } elsif ($NumBars <= 25) {
5818: $width = 120+$NumBars*11;
5819: $xskip = 5;
5820: $bar_width = 8;
5821: } elsif ($NumBars <= 50) {
5822: $width = 120+$NumBars*8;
5823: $xskip = 5;
5824: $bar_width = 4;
5825: } else {
5826: $width = 120+$NumBars*8;
5827: $xskip = 5;
5828: $bar_width = 4;
5829: }
5830: #
1.137 matthew 5831: $Max = 1 if ($Max < 1);
5832: if ( int($Max) < $Max ) {
5833: $Max++;
5834: $Max = int($Max);
5835: }
1.127 matthew 5836: $Title = '' if (! defined($Title));
5837: $xlabel = '' if (! defined($xlabel));
5838: $ylabel = '' if (! defined($ylabel));
1.369 www 5839: $ValuesHash{$id.'.title'} = &escape($Title);
5840: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
5841: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
1.137 matthew 5842: $ValuesHash{$id.'.y_max_value'} = $Max;
1.136 matthew 5843: $ValuesHash{$id.'.NumBars'} = $NumBars;
5844: $ValuesHash{$id.'.NumSets'} = $NumSets;
5845: $ValuesHash{$id.'.PlotType'} = 'bar';
5846: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5847: $ValuesHash{$id.'.height'} = $height;
5848: $ValuesHash{$id.'.width'} = $width;
5849: $ValuesHash{$id.'.xskip'} = $xskip;
5850: $ValuesHash{$id.'.bar_width'} = $bar_width;
5851: $ValuesHash{$id.'.labels'} = join(',',@Labels);
1.127 matthew 5852: #
1.228 matthew 5853: # Deal with other parameters
5854: while (my ($key,$value) = each(%$extra_settings)) {
5855: $ValuesHash{$id.'.'.$key} = $value;
5856: }
5857: #
1.137 matthew 5858: &Apache::lonnet::appenv(%ValuesHash);
5859: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5860: }
5861:
5862: ############################################################
5863: ############################################################
5864:
5865: =pod
5866:
5867: =item DrawXYGraph
5868:
1.138 matthew 5869: Facilitates the plotting of data in an XY graph.
5870: Puts plot definition data into the users environment in order for
5871: graph.png to plot it. Returns an <img> tag for the plot.
5872:
5873: Inputs:
5874:
5875: =over 4
5876:
5877: =item $Title: string, the title of the plot
5878:
5879: =item $xlabel: string, text describing the X-axis of the plot
5880:
5881: =item $ylabel: string, text describing the Y-axis of the plot
5882:
5883: =item $Max: scalar, the maximum Y value to use in the plot
5884: If $Max is < any data point, the graph will not be rendered.
5885:
5886: =item $colors: Array ref containing the hex color codes for the data to be
5887: plotted in. If undefined, default values will be used.
5888:
5889: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5890:
5891: =item $Ydata: Array ref containing Array refs.
1.185 www 5892: Each of the contained arrays will be plotted as a separate curve.
1.138 matthew 5893:
5894: =item %Values: hash indicating or overriding any default values which are
5895: passed to graph.png.
5896: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5897:
5898: =back
5899:
5900: Returns:
5901:
5902: An <img> tag which references graph.png and the appropriate identifying
5903: information for the plot.
5904:
1.137 matthew 5905: =cut
5906:
5907: ############################################################
5908: ############################################################
5909: sub DrawXYGraph {
5910: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
5911: #
5912: # Create the identifier for the graph
5913: my $identifier = &get_cgi_id();
5914: my $id = 'cgi.'.$identifier;
5915: #
5916: $Title = '' if (! defined($Title));
5917: $xlabel = '' if (! defined($xlabel));
5918: $ylabel = '' if (! defined($ylabel));
5919: my %ValuesHash =
5920: (
1.369 www 5921: $id.'.title' => &escape($Title),
5922: $id.'.xlabel' => &escape($xlabel),
5923: $id.'.ylabel' => &escape($ylabel),
1.137 matthew 5924: $id.'.y_max_value'=> $Max,
5925: $id.'.labels' => join(',',@$Xlabels),
5926: $id.'.PlotType' => 'XY',
5927: );
5928: #
5929: if (defined($colors) && ref($colors) eq 'ARRAY') {
5930: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
5931: }
5932: #
5933: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
5934: return '';
5935: }
5936: my $NumSets=1;
1.138 matthew 5937: foreach my $array (@{$Ydata}){
1.137 matthew 5938: next if (! ref($array));
5939: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
5940: }
1.138 matthew 5941: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
1.137 matthew 5942: #
5943: # Deal with other parameters
5944: while (my ($key,$value) = each(%Values)) {
5945: $ValuesHash{$id.'.'.$key} = $value;
1.127 matthew 5946: }
5947: #
1.136 matthew 5948: &Apache::lonnet::appenv(%ValuesHash);
5949: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
5950: }
5951:
5952: ############################################################
5953: ############################################################
5954:
5955: =pod
5956:
1.138 matthew 5957: =item DrawXYYGraph
5958:
5959: Facilitates the plotting of data in an XY graph with two Y axes.
5960: Puts plot definition data into the users environment in order for
5961: graph.png to plot it. Returns an <img> tag for the plot.
5962:
5963: Inputs:
5964:
5965: =over 4
5966:
5967: =item $Title: string, the title of the plot
5968:
5969: =item $xlabel: string, text describing the X-axis of the plot
5970:
5971: =item $ylabel: string, text describing the Y-axis of the plot
5972:
5973: =item $colors: Array ref containing the hex color codes for the data to be
5974: plotted in. If undefined, default values will be used.
5975:
5976: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
5977:
5978: =item $Ydata1: The first data set
5979:
5980: =item $Min1: The minimum value of the left Y-axis
5981:
5982: =item $Max1: The maximum value of the left Y-axis
5983:
5984: =item $Ydata2: The second data set
5985:
5986: =item $Min2: The minimum value of the right Y-axis
5987:
5988: =item $Max2: The maximum value of the left Y-axis
5989:
5990: =item %Values: hash indicating or overriding any default values which are
5991: passed to graph.png.
5992: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
5993:
5994: =back
5995:
5996: Returns:
5997:
5998: An <img> tag which references graph.png and the appropriate identifying
5999: information for the plot.
1.136 matthew 6000:
6001: =cut
6002:
6003: ############################################################
6004: ############################################################
1.137 matthew 6005: sub DrawXYYGraph {
6006: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
6007: $Ydata2,$Min2,$Max2,%Values)=@_;
1.136 matthew 6008: #
6009: # Create the identifier for the graph
6010: my $identifier = &get_cgi_id();
6011: my $id = 'cgi.'.$identifier;
6012: #
6013: $Title = '' if (! defined($Title));
6014: $xlabel = '' if (! defined($xlabel));
6015: $ylabel = '' if (! defined($ylabel));
6016: my %ValuesHash =
6017: (
1.369 www 6018: $id.'.title' => &escape($Title),
6019: $id.'.xlabel' => &escape($xlabel),
6020: $id.'.ylabel' => &escape($ylabel),
1.136 matthew 6021: $id.'.labels' => join(',',@$Xlabels),
6022: $id.'.PlotType' => 'XY',
6023: $id.'.NumSets' => 2,
1.137 matthew 6024: $id.'.two_axes' => 1,
6025: $id.'.y1_max_value' => $Max1,
6026: $id.'.y1_min_value' => $Min1,
6027: $id.'.y2_max_value' => $Max2,
6028: $id.'.y2_min_value' => $Min2,
1.136 matthew 6029: );
6030: #
1.137 matthew 6031: if (defined($colors) && ref($colors) eq 'ARRAY') {
6032: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
6033: }
6034: #
6035: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
6036: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
1.136 matthew 6037: return '';
6038: }
6039: my $NumSets=1;
1.137 matthew 6040: foreach my $array ($Ydata1,$Ydata2){
1.136 matthew 6041: next if (! ref($array));
6042: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
1.137 matthew 6043: }
6044: #
6045: # Deal with other parameters
6046: while (my ($key,$value) = each(%Values)) {
6047: $ValuesHash{$id.'.'.$key} = $value;
1.136 matthew 6048: }
6049: #
6050: &Apache::lonnet::appenv(%ValuesHash);
1.130 albertel 6051: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
1.139 matthew 6052: }
6053:
6054: ############################################################
6055: ############################################################
6056:
6057: =pod
6058:
1.157 matthew 6059: =back
6060:
1.139 matthew 6061: =head1 Statistics helper routines?
6062:
6063: Bad place for them but what the hell.
6064:
1.157 matthew 6065: =over 4
6066:
1.139 matthew 6067: =item &chartlink
6068:
6069: Returns a link to the chart for a specific student.
6070:
6071: Inputs:
6072:
6073: =over 4
6074:
6075: =item $linktext: The text of the link
6076:
6077: =item $sname: The students username
6078:
6079: =item $sdomain: The students domain
6080:
6081: =back
6082:
1.157 matthew 6083: =back
6084:
1.139 matthew 6085: =cut
6086:
6087: ############################################################
6088: ############################################################
6089: sub chartlink {
6090: my ($linktext, $sname, $sdomain) = @_;
6091: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
1.369 www 6092: '&SelectedStudent='.&escape($sname.':'.$sdomain).
1.219 albertel 6093: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
1.139 matthew 6094: '">'.$linktext.'</a>';
1.153 matthew 6095: }
6096:
6097: #######################################################
6098: #######################################################
6099:
6100: =pod
6101:
6102: =head1 Course Environment Routines
1.157 matthew 6103:
6104: =over 4
1.153 matthew 6105:
6106: =item &restore_course_settings
6107:
6108: =item &store_course_settings
6109:
6110: Restores/Store indicated form parameters from the course environment.
6111: Will not overwrite existing values of the form parameters.
6112:
6113: Inputs:
6114: a scalar describing the data (e.g. 'chart', 'problem_analysis')
6115:
6116: a hash ref describing the data to be stored. For example:
6117:
6118: %Save_Parameters = ('Status' => 'scalar',
6119: 'chartoutputmode' => 'scalar',
6120: 'chartoutputdata' => 'scalar',
6121: 'Section' => 'array',
1.373 raeburn 6122: 'Group' => 'array',
1.153 matthew 6123: 'StudentData' => 'array',
6124: 'Maps' => 'array');
6125:
6126: Returns: both routines return nothing
6127:
6128: =cut
6129:
6130: #######################################################
6131: #######################################################
6132: sub store_course_settings {
1.496 albertel 6133: return &store_settings($env{'request.course.id'},@_);
6134: }
6135:
6136: sub store_settings {
1.153 matthew 6137: # save to the environment
6138: # appenv the same items, just to be safe
1.300 albertel 6139: my $udom = $env{'user.domain'};
6140: my $uname = $env{'user.name'};
1.496 albertel 6141: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6142: my %SaveHash;
6143: my %AppHash;
6144: while (my ($setting,$type) = each(%$Settings)) {
1.496 albertel 6145: my $basename = join('.','internal',$context,$prefix,$setting);
1.300 albertel 6146: my $envname = 'environment.'.$basename;
1.258 albertel 6147: if (exists($env{'form.'.$setting})) {
1.153 matthew 6148: # Save this value away
6149: if ($type eq 'scalar' &&
1.258 albertel 6150: (! exists($env{$envname}) ||
6151: $env{$envname} ne $env{'form.'.$setting})) {
6152: $SaveHash{$basename} = $env{'form.'.$setting};
6153: $AppHash{$envname} = $env{'form.'.$setting};
1.153 matthew 6154: } elsif ($type eq 'array') {
6155: my $stored_form;
1.258 albertel 6156: if (ref($env{'form.'.$setting})) {
1.153 matthew 6157: $stored_form = join(',',
6158: map {
1.369 www 6159: &escape($_);
1.258 albertel 6160: } sort(@{$env{'form.'.$setting}}));
1.153 matthew 6161: } else {
6162: $stored_form =
1.369 www 6163: &escape($env{'form.'.$setting});
1.153 matthew 6164: }
6165: # Determine if the array contents are the same.
1.258 albertel 6166: if ($stored_form ne $env{$envname}) {
1.153 matthew 6167: $SaveHash{$basename} = $stored_form;
6168: $AppHash{$envname} = $stored_form;
6169: }
6170: }
6171: }
6172: }
6173: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
1.300 albertel 6174: $udom,$uname);
1.153 matthew 6175: if ($put_result !~ /^(ok|delayed)/) {
6176: &Apache::lonnet::logthis('unable to save form parameters, '.
6177: 'got error:'.$put_result);
6178: }
6179: # Make sure these settings stick around in this session, too
6180: &Apache::lonnet::appenv(%AppHash);
6181: return;
6182: }
6183:
6184: sub restore_course_settings {
1.499 albertel 6185: return &restore_settings($env{'request.course.id'},@_);
1.496 albertel 6186: }
6187:
6188: sub restore_settings {
6189: my ($context,$prefix,$Settings) = @_;
1.153 matthew 6190: while (my ($setting,$type) = each(%$Settings)) {
1.258 albertel 6191: next if (exists($env{'form.'.$setting}));
1.496 albertel 6192: my $envname = 'environment.internal.'.$context.'.'.$prefix.
1.153 matthew 6193: '.'.$setting;
1.258 albertel 6194: if (exists($env{$envname})) {
1.153 matthew 6195: if ($type eq 'scalar') {
1.258 albertel 6196: $env{'form.'.$setting} = $env{$envname};
1.153 matthew 6197: } elsif ($type eq 'array') {
1.258 albertel 6198: $env{'form.'.$setting} = [
1.153 matthew 6199: map {
1.369 www 6200: &unescape($_);
1.258 albertel 6201: } split(',',$env{$envname})
1.153 matthew 6202: ];
6203: }
6204: }
6205: }
1.127 matthew 6206: }
6207:
6208: ############################################################
6209: ############################################################
1.154 albertel 6210:
1.443 albertel 6211: sub commit_customrole {
6212: my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
6213: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
6214: ($start?', '.&mt('starting').' '.localtime($start):'').
6215: ($end?', ending '.localtime($end):'').': <b>'.
6216: &Apache::lonnet::assigncustomrole(
6217: $udom,$uname,$url,$three,$four,$five,$end,$start).
6218: '</b><br />';
6219: return $output;
6220: }
6221:
6222: sub commit_standardrole {
6223: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6224: my $output;
6225: my $logmsg;
6226: if ($three eq 'st') {
6227: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
6228: if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
6229: $output = "Error: $result\n";
6230: } else {
6231: $output = &mt('Assigning').' '.$three.' in '.$url.
6232: ($start?', '.&mt('starting').' '.localtime($start):'').
6233: ($end?', '.&mt('ending').' '.localtime($end):'').
6234: ': <b>'.$result.'</b><br />'.
6235: &mt('Add to classlist').': <b>ok</b><br />';
6236: }
6237: } else {
6238: $output = &mt('Assigning').' '.$three.' in '.$url.
6239: ($start?', '.&mt('starting').' '.localtime($start):'').
6240: ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
6241: &Apache::lonnet::assignrole(
6242: $udom,$uname,$url,$three,$end,$start).
6243: '</b><br />';
6244: }
6245: return $output;
6246: }
6247:
6248: sub commit_studentrole {
6249: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
6250: my $linefeed = '<br />'."\n";
6251: my $result;
6252: if (defined($one) && defined($two)) {
6253: my $cid=$one.'_'.$two;
6254: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
6255: my $secchange = 0;
6256: my $expire_role_result;
6257: my $modify_section_result;
6258: unless ($oldsec eq '-1') {
6259: unless ($sec eq $oldsec) {
6260: $secchange = 1;
6261: my $uurl='/'.$cid;
6262: $uurl=~s/\_/\//g;
6263: if ($oldsec) {
6264: $uurl.='/'.$oldsec;
6265: }
6266: $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
6267: $result = $expire_role_result;
6268: }
6269: }
6270: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
6271: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
6272: if ($modify_section_result =~ /^ok/) {
6273: if ($secchange == 1) {
6274: $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
6275: } elsif ($oldsec eq '-1') {
6276: $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
6277: } else {
6278: $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
6279: }
6280: } else {
6281: $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
6282: }
6283: $result = $modify_section_result;
6284: } elsif ($secchange == 1) {
6285: $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
6286: }
6287: } else {
6288: $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
6289: $result = "error: incomplete course id\n";
6290: }
6291: return $result;
6292: }
6293:
6294: ############################################################
6295: ############################################################
6296:
1.444 albertel 6297: sub construct_course {
6298: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_;
6299: my $outcome;
6300:
6301: #
6302: # Open course
6303: #
6304: my $crstype = lc($args->{'crstype'});
6305: my %cenv=();
6306: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
6307: $args->{'cdescr'},
6308: $args->{'curl'},
6309: $args->{'course_home'},
6310: $args->{'nonstandard'},
6311: $args->{'crscode'},
6312: $args->{'ccuname'}.':'.
6313: $args->{'ccdomain'},
6314: $args->{'crstype'});
6315:
6316: # Note: The testing routines depend on this being output; see
6317: # Utils::Course. This needs to at least be output as a comment
6318: # if anyone ever decides to not show this, and Utils::Course::new
6319: # will need to be suitably modified.
6320: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]<br />',$crstype,$$courseid);
6321: #
6322: # Check if created correctly
6323: #
1.479 albertel 6324: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
1.444 albertel 6325: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
6326: $outcome .= &mt('Created on').': '.$crsuhome.'<br>';
6327: #
6328: # Are we cloning?
6329: #
6330: my $cloneid='';
6331: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
6332: $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
1.479 albertel 6333: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
1.444 albertel 6334: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
6335: if ($clonehome eq 'no_host') {
6336: $outcome .=
6337: '<br /><font color="red">'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.'</font>';
6338: } else {
6339: $outcome .=
6340: '<br /><font color="green">'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).'</font>';
6341: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
6342: # Copy all files
6343: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);
6344: # Restore URL
6345: $cenv{'url'}=$oldcenv{'url'};
6346: # Restore title
6347: $cenv{'description'}=$oldcenv{'description'};
6348: # restore grading mode
6349: if (defined($oldcenv{'grading'})) {
6350: $cenv{'grading'}=$oldcenv{'grading'};
6351: }
6352: # Mark as cloned
6353: $cenv{'clonedfrom'}=$cloneid;
6354: delete($cenv{'default_enrollment_start_date'});
6355: delete($cenv{'default_enrollment_end_date'});
6356: }
6357: }
6358: #
6359: # Set environment (will override cloned, if existing)
6360: #
6361: my @sections = ();
6362: my @xlists = ();
6363: if ($args->{'crstype'}) {
6364: $cenv{'type'}=$args->{'crstype'};
6365: }
6366: if ($args->{'crsid'}) {
6367: $cenv{'courseid'}=$args->{'crsid'};
6368: }
6369: if ($args->{'crscode'}) {
6370: $cenv{'internal.coursecode'}=$args->{'crscode'};
6371: }
6372: if ($args->{'crsquota'} ne '') {
6373: $cenv{'internal.coursequota'}=$args->{'crsquota'};
6374: } else {
6375: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
6376: }
6377: if ($args->{'ccuname'}) {
6378: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
6379: ':'.$args->{'ccdomain'};
6380: } else {
6381: $cenv{'internal.courseowner'} = $args->{'curruser'};
6382: }
6383:
6384: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
6385: if ($args->{'crssections'}) {
6386: $cenv{'internal.sectionnums'} = '';
6387: if ($args->{'crssections'} =~ m/,/) {
6388: @sections = split/,/,$args->{'crssections'};
6389: } else {
6390: $sections[0] = $args->{'crssections'};
6391: }
6392: if (@sections > 0) {
6393: foreach my $item (@sections) {
6394: my ($sec,$gp) = split/:/,$item;
6395: my $class = $args->{'crscode'}.$sec;
6396: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
6397: $cenv{'internal.sectionnums'} .= $item.',';
6398: unless ($addcheck eq 'ok') {
6399: push @badclasses, $class;
6400: }
6401: }
6402: $cenv{'internal.sectionnums'} =~ s/,$//;
6403: }
6404: }
6405: # do not hide course coordinator from staff listing,
6406: # even if privileged
6407: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6408: # add crosslistings
6409: if ($args->{'crsxlist'}) {
6410: $cenv{'internal.crosslistings'}='';
6411: if ($args->{'crsxlist'} =~ m/,/) {
6412: @xlists = split/,/,$args->{'crsxlist'};
6413: } else {
6414: $xlists[0] = $args->{'crsxlist'};
6415: }
6416: if (@xlists > 0) {
6417: foreach my $item (@xlists) {
6418: my ($xl,$gp) = split/:/,$item;
6419: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
6420: $cenv{'internal.crosslistings'} .= $item.',';
6421: unless ($addcheck eq 'ok') {
6422: push @badclasses, $xl;
6423: }
6424: }
6425: $cenv{'internal.crosslistings'} =~ s/,$//;
6426: }
6427: }
6428: if ($args->{'autoadds'}) {
6429: $cenv{'internal.autoadds'}=$args->{'autoadds'};
6430: }
6431: if ($args->{'autodrops'}) {
6432: $cenv{'internal.autodrops'}=$args->{'autodrops'};
6433: }
6434: # check for notification of enrollment changes
6435: my @notified = ();
6436: if ($args->{'notify_owner'}) {
6437: if ($args->{'ccuname'} ne '') {
6438: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
6439: }
6440: }
6441: if ($args->{'notify_dc'}) {
6442: if ($uname ne '') {
6443: push(@notified,$uname.'@'.$udom);
6444: }
6445: }
6446: if (@notified > 0) {
6447: my $notifylist;
6448: if (@notified > 1) {
6449: $notifylist = join(',',@notified);
6450: } else {
6451: $notifylist = $notified[0];
6452: }
6453: $cenv{'internal.notifylist'} = $notifylist;
6454: }
6455: if (@badclasses > 0) {
6456: my %lt=&Apache::lonlocal::texthash(
6457: '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',
6458: 'dnhr' => 'does not have rights to access enrollment in these classes',
6459: 'adby' => 'as determined by the policies of your institution on access to official classlists'
6460: );
6461: $outcome .= '<font color="red">'.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').<br /><ul>'."\n";
6462: foreach (@badclasses) {
6463: $outcome .= "<li>$_</li>\n";
6464: }
6465: $outcome .= "</ul><br /><br /></font>\n";
6466: }
6467: if ($args->{'no_end_date'}) {
6468: $args->{'endaccess'} = 0;
6469: }
6470: $cenv{'internal.autostart'}=$args->{'enrollstart'};
6471: $cenv{'internal.autoend'}=$args->{'enrollend'};
6472: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
6473: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
6474: if ($args->{'showphotos'}) {
6475: $cenv{'internal.showphotos'}=$args->{'showphotos'};
6476: }
6477: $cenv{'internal.authtype'} = $args->{'authtype'};
6478: $cenv{'internal.autharg'} = $args->{'autharg'};
6479: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
6480: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
6481: $outcome .= '<font color="red" size="+1">'.
6482: &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>';
6483: }
6484: }
6485: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
6486: if ($args->{'setpolicy'}) {
6487: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6488: }
6489: if ($args->{'setcontent'}) {
6490: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
6491: }
6492: }
6493: if ($args->{'reshome'}) {
6494: $cenv{'reshome'}=$args->{'reshome'}.'/';
6495: $cenv{'reshome'}=~s/\/+$/\//;
6496: }
6497: #
6498: # course has keyed access
6499: #
6500: if ($args->{'setkeys'}) {
6501: $cenv{'keyaccess'}='yes';
6502: }
6503: # if specified, key authority is not course, but user
6504: # only active if keyaccess is yes
6505: if ($args->{'keyauth'}) {
1.487 albertel 6506: my ($user,$domain) = split(':',$args->{'keyauth'});
6507: $user = &LONCAPA::clean_username($user);
6508: $domain = &LONCAPA::clean_username($domain);
1.488 foxr 6509: if ($user ne '' && $domain ne '') {
1.487 albertel 6510: $cenv{'keyauth'}=$user.':'.$domain;
1.444 albertel 6511: }
6512: }
6513:
6514: if ($args->{'disresdis'}) {
6515: $cenv{'pch.roles.denied'}='st';
6516: }
6517: if ($args->{'disablechat'}) {
6518: $cenv{'plc.roles.denied'}='st';
6519: }
6520:
6521: # Record we've not yet viewed the Course Initialization Helper for this
6522: # course
6523: $cenv{'course.helper.not.run'} = 1;
6524: #
6525: # Use new Randomseed
6526: #
6527: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
6528: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
6529: #
6530: # The encryption code and receipt prefix for this course
6531: #
6532: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
6533: $cenv{'internal.encpref'}=100+int(9*rand(99));
6534: #
6535: # By default, use standard grading
6536: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
6537:
6538: $outcome .= ('<br />'.&mt('Setting environment').': '.
6539: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'<br>');
6540: #
6541: # Open all assignments
6542: #
6543: if ($args->{'openall'}) {
6544: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
6545: my %storecontent = ($storeunder => time,
6546: $storeunder.'.type' => 'date_start');
6547:
6548: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
6549: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'<br>';
6550: }
6551: #
6552: # Set first page
6553: #
6554: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
6555: || ($cloneid)) {
1.445 albertel 6556: use LONCAPA::map;
1.444 albertel 6557: $outcome .= &mt('Setting first resource').': ';
1.445 albertel 6558:
6559: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
6560: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
6561:
1.444 albertel 6562: $outcome .= ($fatal?$errtext:'read ok').' - ';
6563: my $title; my $url;
6564: if ($args->{'firstres'} eq 'syl') {
6565: $title='Syllabus';
6566: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
6567: } else {
6568: $title='Navigate Contents';
6569: $url='/adm/navmaps';
6570: }
1.445 albertel 6571:
6572: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
6573: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
6574:
6575: if ($errtext) { $fatal=2; }
6576: $outcome .= ($fatal?$errtext:'write ok').'<br />';
1.444 albertel 6577: }
6578: return $outcome;
6579: }
6580:
6581: ############################################################
6582: ############################################################
6583:
1.378 raeburn 6584: sub course_type {
6585: my ($cid) = @_;
6586: if (!defined($cid)) {
6587: $cid = $env{'request.course.id'};
6588: }
1.404 albertel 6589: if (defined($env{'course.'.$cid.'.type'})) {
6590: return $env{'course.'.$cid.'.type'};
1.378 raeburn 6591: } else {
6592: return 'Course';
1.377 raeburn 6593: }
6594: }
1.156 albertel 6595:
1.406 raeburn 6596: sub group_term {
6597: my $crstype = &course_type();
6598: my %names = (
6599: 'Course' => 'group',
6600: 'Group' => 'team',
6601: );
6602: return $names{$crstype};
6603: }
6604:
1.156 albertel 6605: sub icon {
6606: my ($file)=@_;
1.505 albertel 6607: my $curfext = lc((split(/\./,$file))[-1]);
1.168 albertel 6608: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
1.156 albertel 6609: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
1.168 albertel 6610: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
6611: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
6612: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6613: $curfext.".gif") {
6614: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
6615: $curfext.".gif";
6616: }
6617: }
1.249 albertel 6618: return &lonhttpdurl($iconname);
1.154 albertel 6619: }
1.84 albertel 6620:
1.215 albertel 6621: sub lonhttpdurl {
6622: my ($url)=@_;
6623: my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};
6624: if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }
6625: return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;
6626: }
6627:
1.213 albertel 6628: sub connection_aborted {
6629: my ($r)=@_;
6630: $r->print(" ");$r->rflush();
6631: my $c = $r->connection;
6632: return $c->aborted();
6633: }
6634:
1.221 foxr 6635: # Escapes strings that may have embedded 's that will be put into
1.222 foxr 6636: # strings as 'strings'.
6637: sub escape_single {
1.221 foxr 6638: my ($input) = @_;
1.223 albertel 6639: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
1.221 foxr 6640: $input =~ s/\'/\\\'/g; # Esacpe the 's....
6641: return $input;
6642: }
1.223 albertel 6643:
1.222 foxr 6644: # Same as escape_single, but escape's "'s This
6645: # can be used for "strings"
6646: sub escape_double {
6647: my ($input) = @_;
6648: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
6649: $input =~ s/\"/\\\"/g; # Esacpe the "s....
6650: return $input;
6651: }
1.223 albertel 6652:
1.222 foxr 6653: # Escapes the last element of a full URL.
6654: sub escape_url {
6655: my ($url) = @_;
1.238 raeburn 6656: my @urlslices = split(/\//, $url,-1);
1.369 www 6657: my $lastitem = &escape(pop(@urlslices));
1.223 albertel 6658: return join('/',@urlslices).'/'.$lastitem;
1.222 foxr 6659: }
1.462 albertel 6660:
6661: # -------------------------------------------------------- Initliaze user login
6662: sub init_user_environment {
1.463 albertel 6663: my ($r, $username, $domain, $authhost, $form, $args) = @_;
1.462 albertel 6664: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
6665:
6666: my $public=($username eq 'public' && $domain eq 'public');
6667:
6668: # See if old ID present, if so, remove
6669:
6670: my ($filename,$cookie,$userroles);
6671: my $now=time;
6672:
6673: if ($public) {
6674: my $max_public=100;
6675: my $oldest;
6676: my $oldest_time=0;
6677: for(my $next=1;$next<=$max_public;$next++) {
6678: if (-e $lonids."/publicuser_$next.id") {
6679: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
6680: if ($mtime<$oldest_time || !$oldest_time) {
6681: $oldest_time=$mtime;
6682: $oldest=$next;
6683: }
6684: } else {
6685: $cookie="publicuser_$next";
6686: last;
6687: }
6688: }
6689: if (!$cookie) { $cookie="publicuser_$oldest"; }
6690: } else {
1.463 albertel 6691: # if this isn't a robot, kill any existing non-robot sessions
6692: if (!$args->{'robot'}) {
6693: opendir(DIR,$lonids);
6694: while ($filename=readdir(DIR)) {
6695: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
6696: unlink($lonids.'/'.$filename);
6697: }
1.462 albertel 6698: }
1.463 albertel 6699: closedir(DIR);
1.462 albertel 6700: }
6701: # Give them a new cookie
1.463 albertel 6702: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
6703: : $now);
6704: $cookie="$username\_$id\_$domain\_$authhost";
1.462 albertel 6705:
6706: # Initialize roles
6707:
6708: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
6709: }
6710: # ------------------------------------ Check browser type and MathML capability
6711:
6712: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
6713: $clientunicode,$clientos) = &decode_user_agent($r);
6714:
6715: # -------------------------------------- Any accessibility options to remember?
6716: if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) {
6717: foreach my $option ('imagesuppress','appletsuppress',
6718: 'embedsuppress','fontenhance','blackwhite') {
6719: if ($form->{$option} eq 'true') {
6720: &Apache::lonnet::put('environment',{$option => 'on'},
6721: $domain,$username);
6722: } else {
6723: &Apache::lonnet::del('environment',[$option],
6724: $domain,$username);
6725: }
6726: }
6727: }
6728: # ------------------------------------------------------------- Get environment
6729:
6730: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
6731: my ($tmp) = keys(%userenv);
6732: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
6733: # default remote control to off
6734: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
6735: } else {
6736: undef(%userenv);
6737: }
6738: if (($userenv{'interface'}) && (!$form->{'interface'})) {
6739: $form->{'interface'}=$userenv{'interface'};
6740: }
6741: $env{'environment.remote'}=$userenv{'remote'};
6742: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
6743:
6744: # --------------- Do not trust query string to be put directly into environment
6745: foreach my $option ('imagesuppress','appletsuppress',
6746: 'embedsuppress','fontenhance','blackwhite',
6747: 'interface','localpath','localres') {
6748: $form->{$option}=~s/[\n\r\=]//gs;
6749: }
6750: # --------------------------------------------------------- Write first profile
6751:
6752: {
6753: my %initial_env =
6754: ("user.name" => $username,
6755: "user.domain" => $domain,
6756: "user.home" => $authhost,
6757: "browser.type" => $clientbrowser,
6758: "browser.version" => $clientversion,
6759: "browser.mathml" => $clientmathml,
6760: "browser.unicode" => $clientunicode,
6761: "browser.os" => $clientos,
6762: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
6763: "request.course.fn" => '',
6764: "request.course.uri" => '',
6765: "request.course.sec" => '',
6766: "request.role" => 'cm',
6767: "request.role.adv" => $env{'user.adv'},
6768: "request.host" => $ENV{'REMOTE_ADDR'},);
6769:
6770: if ($form->{'localpath'}) {
6771: $initial_env{"browser.localpath"} = $form->{'localpath'};
6772: $initial_env{"browser.localres"} = $form->{'localres'};
6773: }
6774:
6775: if ($public) {
6776: $initial_env{"environment.remote"} = "off";
6777: }
6778: if ($form->{'interface'}) {
6779: $form->{'interface'}=~s/\W//gs;
6780: $initial_env{"browser.interface"} = $form->{'interface'};
6781: $env{'browser.interface'}=$form->{'interface'};
6782: foreach my $option ('imagesuppress','appletsuppress',
6783: 'embedsuppress','fontenhance','blackwhite') {
6784: if (($form->{$option} eq 'true') ||
6785: ($userenv{$option} eq 'on')) {
6786: $initial_env{"browser.$option"} = "on";
6787: }
6788: }
6789: }
6790:
6791: $env{'user.environment'} = "$lonids/$cookie.id";
6792:
6793: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
6794: &GDBM_WRCREAT(),0640)) {
6795: &_add_to_env(\%disk_env,\%initial_env);
6796: &_add_to_env(\%disk_env,\%userenv,'environment.');
6797: &_add_to_env(\%disk_env,$userroles);
1.463 albertel 6798: if (ref($args->{'extra_env'})) {
6799: &_add_to_env(\%disk_env,$args->{'extra_env'});
6800: }
1.462 albertel 6801: untie(%disk_env);
6802: } else {
6803: &Apache::lonnet::logthis("<font color=\"blue\">WARNING: ".
6804: 'Could not create environment storage in lonauth: '.$!.'</font>');
6805: return 'error: '.$!;
6806: }
6807: }
6808: $env{'request.role'}='cm';
6809: $env{'request.role.adv'}=$env{'user.adv'};
6810: $env{'browser.type'}=$clientbrowser;
6811:
6812: return $cookie;
6813:
6814: }
6815:
6816: sub _add_to_env {
6817: my ($idf,$env_data,$prefix) = @_;
6818: while (my ($key,$value) = each(%$env_data)) {
6819: $idf->{$prefix.$key} = $value;
6820: $env{$prefix.$key} = $value;
6821: }
6822: }
6823:
6824:
1.41 ng 6825: =pod
6826:
6827: =back
6828:
1.112 bowersj2 6829: =cut
1.41 ng 6830:
1.112 bowersj2 6831: 1;
6832: __END__;
1.41 ng 6833:
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