1: # The LearningOnline Network with CAPA
2: # a pile of common routines
3: #
4: # $Id: loncommon.pm,v 1.889 2009/09/07 13:11:33 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: # Makes a table out of the previous attempts
30: # Inputs result_from_symbread, user, domain, course_id
31: # Reads in non-network-related .tab files
32:
33: # POD header:
34:
35: =pod
36:
37: =head1 NAME
38:
39: Apache::loncommon - pile of common routines
40:
41: =head1 SYNOPSIS
42:
43: Common routines for manipulating connections, student answers,
44: domains, common Javascript fragments, etc.
45:
46: =head1 OVERVIEW
47:
48: A collection of commonly used subroutines that don't have a natural
49: home anywhere else. This collection helps remove
50: redundancy from other modules and increase efficiency of memory usage.
51:
52: =cut
53:
54: # End of POD header
55: package Apache::loncommon;
56:
57: use strict;
58: use Apache::lonnet;
59: use GDBM_File;
60: use POSIX qw(strftime mktime);
61: use Apache::lonmenu();
62: use Apache::lonenc();
63: use Apache::lonlocal;
64: use Apache::lonnet();
65: use HTML::Entities;
66: use Apache::lonhtmlcommon();
67: use Apache::loncoursedata();
68: use Apache::lontexconvert();
69: use Apache::lonclonecourse();
70: use LONCAPA qw(:DEFAULT :match);
71: use DateTime::TimeZone;
72: use DateTime::Locale::Catalog;
73:
74: # ---------------------------------------------- Designs
75: use vars qw(%defaultdesign);
76:
77: my $readit;
78:
79:
80: ##
81: ## Global Variables
82: ##
83:
84:
85: # ----------------------------------------------- SSI with retries:
86: #
87:
88: =pod
89:
90: =head1 Server Side include with retries:
91:
92: =over 4
93:
94: =item * &ssi_with_retries(resource,retries form)
95:
96: Performs an ssi with some number of retries. Retries continue either
97: until the result is ok or until the retry count supplied by the
98: caller is exhausted.
99:
100: Inputs:
101:
102: =over 4
103:
104: resource - Identifies the resource to insert.
105:
106: retries - Count of the number of retries allowed.
107:
108: form - Hash that identifies the rendering options.
109:
110: =back
111:
112: Returns:
113:
114: =over 4
115:
116: content - The content of the response. If retries were exhausted this is empty.
117:
118: response - The response from the last attempt (which may or may not have been successful.
119:
120: =back
121:
122: =back
123:
124: =cut
125:
126: sub ssi_with_retries {
127: my ($resource, $retries, %form) = @_;
128:
129:
130: my $ok = 0; # True if we got a good response.
131: my $content;
132: my $response;
133:
134: # Try to get the ssi done. within the retries count:
135:
136: do {
137: ($content, $response) = &Apache::lonnet::ssi($resource, %form);
138: $ok = $response->is_success;
139: if (!$ok) {
140: &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
141: }
142: $retries--;
143: } while (!$ok && ($retries > 0));
144:
145: if (!$ok) {
146: $content = ''; # On error return an empty content.
147: }
148: return ($content, $response);
149:
150: }
151:
152:
153:
154: # ----------------------------------------------- Filetypes/Languages/Copyright
155: my %language;
156: my %supported_language;
157: my %cprtag;
158: my %scprtag;
159: my %fe; my %fd; my %fm;
160: my %category_extensions;
161:
162: # ---------------------------------------------- Thesaurus variables
163: #
164: # %Keywords:
165: # A hash used by &keyword to determine if a word is considered a keyword.
166: # $thesaurus_db_file
167: # Scalar containing the full path to the thesaurus database.
168:
169: my %Keywords;
170: my $thesaurus_db_file;
171:
172: #
173: # Initialize values from language.tab, copyright.tab, filetypes.tab,
174: # thesaurus.tab, and filecategories.tab.
175: #
176: BEGIN {
177: # Variable initialization
178: $thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
179: #
180: unless ($readit) {
181: # ------------------------------------------------------------------- languages
182: {
183: my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
184: '/language.tab';
185: if ( open(my $fh,"<$langtabfile") ) {
186: while (my $line = <$fh>) {
187: next if ($line=~/^\#/);
188: chomp($line);
189: my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
190: $language{$key}=$val.' - '.$enc;
191: if ($sup) {
192: $supported_language{$key}=$sup;
193: }
194: }
195: close($fh);
196: }
197: }
198: # ------------------------------------------------------------------ copyrights
199: {
200: my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
201: '/copyright.tab';
202: if ( open (my $fh,"<$copyrightfile") ) {
203: while (my $line = <$fh>) {
204: next if ($line=~/^\#/);
205: chomp($line);
206: my ($key,$val)=(split(/\s+/,$line,2));
207: $cprtag{$key}=$val;
208: }
209: close($fh);
210: }
211: }
212: # ----------------------------------------------------------- source copyrights
213: {
214: my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
215: '/source_copyright.tab';
216: if ( open (my $fh,"<$sourcecopyrightfile") ) {
217: while (my $line = <$fh>) {
218: next if ($line =~ /^\#/);
219: chomp($line);
220: my ($key,$val)=(split(/\s+/,$line,2));
221: $scprtag{$key}=$val;
222: }
223: close($fh);
224: }
225: }
226:
227: # -------------------------------------------------------------- default domain designs
228: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
229: my $designfile = $designdir.'/default.tab';
230: if ( open (my $fh,"<$designfile") ) {
231: while (my $line = <$fh>) {
232: next if ($line =~ /^\#/);
233: chomp($line);
234: my ($key,$val)=(split(/\=/,$line));
235: if ($val) { $defaultdesign{$key}=$val; }
236: }
237: close($fh);
238: }
239:
240: # ------------------------------------------------------------- file categories
241: {
242: my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
243: '/filecategories.tab';
244: if ( open (my $fh,"<$categoryfile") ) {
245: while (my $line = <$fh>) {
246: next if ($line =~ /^\#/);
247: chomp($line);
248: my ($extension,$category)=(split(/\s+/,$line,2));
249: push @{$category_extensions{lc($category)}},$extension;
250: }
251: close($fh);
252: }
253:
254: }
255: # ------------------------------------------------------------------ file types
256: {
257: my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
258: '/filetypes.tab';
259: if ( open (my $fh,"<$typesfile") ) {
260: while (my $line = <$fh>) {
261: next if ($line =~ /^\#/);
262: chomp($line);
263: my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
264: if ($descr ne '') {
265: $fe{$ending}=lc($emb);
266: $fd{$ending}=$descr;
267: if ($mime ne 'unk') { $fm{$ending}=$mime; }
268: }
269: }
270: close($fh);
271: }
272: }
273: &Apache::lonnet::logthis(
274: "<span style='color:yellow;'>INFO: Read file types</span>");
275: $readit=1;
276: } # end of unless($readit)
277:
278: }
279:
280: ###############################################################
281: ## HTML and Javascript Helper Functions ##
282: ###############################################################
283:
284: =pod
285:
286: =head1 HTML and Javascript Functions
287:
288: =over 4
289:
290: =item * &browser_and_searcher_javascript()
291:
292: X<browsing, javascript>X<searching, javascript>Returns a string
293: containing javascript with two functions, C<openbrowser> and
294: C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
295: tags.
296:
297: =item * &openbrowser(formname,elementname,only,omit) [javascript]
298:
299: inputs: formname, elementname, only, omit
300:
301: formname and elementname indicate the name of the html form and name of
302: the element that the results of the browsing selection are to be placed in.
303:
304: Specifying 'only' will restrict the browser to displaying only files
305: with the given extension. Can be a comma separated list.
306:
307: Specifying 'omit' will restrict the browser to NOT displaying files
308: with the given extension. Can be a comma separated list.
309:
310: =item * &opensearcher(formname,elementname) [javascript]
311:
312: Inputs: formname, elementname
313:
314: formname and elementname specify the name of the html form and the name
315: of the element the selection from the search results will be placed in.
316:
317: =cut
318:
319: sub browser_and_searcher_javascript {
320: my ($mode)=@_;
321: if (!defined($mode)) { $mode='edit'; }
322: my $resurl=&escape_single(&lastresurl());
323: return <<END;
324: // <!-- BEGIN LON-CAPA Internal
325: var editbrowser = null;
326: function openbrowser(formname,elementname,only,omit,titleelement) {
327: var url = '$resurl/?';
328: if (editbrowser == null) {
329: url += 'launch=1&';
330: }
331: url += 'catalogmode=interactive&';
332: url += 'mode=$mode&';
333: url += 'inhibitmenu=yes&';
334: url += 'form=' + formname + '&';
335: if (only != null) {
336: url += 'only=' + only + '&';
337: } else {
338: url += 'only=&';
339: }
340: if (omit != null) {
341: url += 'omit=' + omit + '&';
342: } else {
343: url += 'omit=&';
344: }
345: if (titleelement != null) {
346: url += 'titleelement=' + titleelement + '&';
347: } else {
348: url += 'titleelement=&';
349: }
350: url += 'element=' + elementname + '';
351: var title = 'Browser';
352: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
353: options += ',width=700,height=600';
354: editbrowser = open(url,title,options,'1');
355: editbrowser.focus();
356: }
357: var editsearcher;
358: function opensearcher(formname,elementname,titleelement) {
359: var url = '/adm/searchcat?';
360: if (editsearcher == null) {
361: url += 'launch=1&';
362: }
363: url += 'catalogmode=interactive&';
364: url += 'mode=$mode&';
365: url += 'form=' + formname + '&';
366: if (titleelement != null) {
367: url += 'titleelement=' + titleelement + '&';
368: } else {
369: url += 'titleelement=&';
370: }
371: url += 'element=' + elementname + '';
372: var title = 'Search';
373: var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
374: options += ',width=700,height=600';
375: editsearcher = open(url,title,options,'1');
376: editsearcher.focus();
377: }
378: // END LON-CAPA Internal -->
379: END
380: }
381:
382: sub lastresurl {
383: if ($env{'environment.lastresurl'}) {
384: return $env{'environment.lastresurl'}
385: } else {
386: return '/res';
387: }
388: }
389:
390: sub storeresurl {
391: my $resurl=&Apache::lonnet::clutter(shift);
392: unless ($resurl=~/^\/res/) { return 0; }
393: $resurl=~s/\/$//;
394: &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
395: &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
396: return 1;
397: }
398:
399: sub studentbrowser_javascript {
400: unless (
401: (($env{'request.course.id'}) &&
402: (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
403: || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
404: '/'.$env{'request.course.sec'})
405: ))
406: || ($env{'request.role'}=~/^(au|dc|su)/)
407: ) { return ''; }
408: return (<<'ENDSTDBRW');
409: <script type="text/javascript" language="Javascript">
410: // <![CDATA[
411: var stdeditbrowser;
412: function openstdbrowser(formname,uname,udom,roleflag,ignorefilter,courseadvonly) {
413: var url = '/adm/pickstudent?';
414: var filter;
415: if (!ignorefilter) {
416: eval('filter=document.'+formname+'.'+uname+'.value;');
417: }
418: if (filter != null) {
419: if (filter != '') {
420: url += 'filter='+filter+'&';
421: }
422: }
423: url += 'form=' + formname + '&unameelement='+uname+
424: '&udomelement='+udom;
425: if (roleflag) { url+="&roles=1"; }
426: if (courseadvonly) { url+="&courseadvonly=1"; }
427: var title = 'Student_Browser';
428: var options = 'scrollbars=1,resizable=1,menubar=0';
429: options += ',width=700,height=600';
430: stdeditbrowser = open(url,title,options,'1');
431: stdeditbrowser.focus();
432: }
433: // ]]>
434: </script>
435: ENDSTDBRW
436: }
437:
438: sub selectstudent_link {
439: my ($form,$unameele,$udomele,$courseadvonly)=@_;
440: my $callargs = "'".$form."','".$unameele."','".$udomele."'";
441: if ($env{'request.course.id'}) {
442: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
443: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
444: '/'.$env{'request.course.sec'})) {
445: return '';
446: }
447: if ($courseadvonly) {
448: $callargs .= ",'',1,1";
449: }
450: return '<span class="LC_nobreak">'.
451: '<a href="javascript:openstdbrowser('.$callargs.');">'.
452: &mt('Select User').'</a></span>';
453: }
454: if ($env{'request.role'}=~/^(au|dc|su)/) {
455: $callargs .= ",1";
456: return '<span class="LC_nobreak">'.
457: '<a href="javascript:openstdbrowser('.$callargs.');">'.
458: &mt('Select User').'</a></span>';
459: }
460: return '';
461: }
462:
463: sub authorbrowser_javascript {
464: return <<"ENDAUTHORBRW";
465: <script type="text/javascript" language="JavaScript">
466: // <![CDATA[
467: var stdeditbrowser;
468:
469: function openauthorbrowser(formname,udom) {
470: var url = '/adm/pickauthor?';
471: url += 'form='+formname+'&roledom='+udom;
472: var title = 'Author_Browser';
473: var options = 'scrollbars=1,resizable=1,menubar=0';
474: options += ',width=700,height=600';
475: stdeditbrowser = open(url,title,options,'1');
476: stdeditbrowser.focus();
477: }
478:
479: // ]]>
480: </script>
481: ENDAUTHORBRW
482: }
483:
484: sub coursebrowser_javascript {
485: my ($domainfilter,$sec_element,$formname)=@_;
486: my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Community - for which you wish to add/modify a user role.');
487: my $id_functions = &javascript_index_functions();
488: my $output = '
489: <script type="text/javascript" language="JavaScript">
490: // <![CDATA[
491: var stdeditbrowser;'."\n";
492:
493: $output .= <<"ENDSTDBRW";
494: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,crstype) {
495: var url = '/adm/pickcourse?';
496: var domainfilter = getDomainFromSelectbox(formname,udom);
497: if (domainfilter != null) {
498: if (domainfilter != '') {
499: url += 'domainfilter='+domainfilter+'&';
500: }
501: }
502: url += 'form=' + formname + '&cnumelement='+uname+
503: '&cdomelement='+udom+
504: '&cnameelement='+desc;
505: if (extra_element !=null && extra_element != '') {
506: if (formname == 'rolechoice' || formname == 'studentform') {
507: url += '&roleelement='+extra_element;
508: if (domainfilter == null || domainfilter == '') {
509: url += '&domainfilter='+extra_element;
510: }
511: }
512: else {
513: if (formname == 'portform') {
514: url += '&setroles='+extra_element;
515: } else {
516: if (formname == 'rules') {
517: url += '&fixeddom='+extra_element;
518: }
519: }
520: }
521: }
522: if (formname == 'ccrs') {
523: var ownername = document.forms[formid].ccuname.value;
524: var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
525: url += '&cloner='+ownername+':'+ownerdom;
526: }
527: if (multflag !=null && multflag != '') {
528: url += '&multiple='+multflag;
529: }
530: if (crstype == 'Course/Community') {
531: if (formname == 'cu') {
532: crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
533: if (crstype == "") {
534: alert("$crs_or_grp_alert");
535: return;
536: }
537: }
538: }
539: if (crstype !=null && crstype != '') {
540: url += '&type='+crstype;
541: }
542: var title = 'Course_Browser';
543: var options = 'scrollbars=1,resizable=1,menubar=0';
544: options += ',width=700,height=600';
545: stdeditbrowser = open(url,title,options,'1');
546: stdeditbrowser.focus();
547: }
548: $id_functions
549: ENDSTDBRW
550: if ($sec_element ne '') {
551: $output .= &setsec_javascript($sec_element,$formname);
552: }
553: $output .= '
554: // ]]>
555: </script>';
556: return $output;
557: }
558:
559: sub javascript_index_functions {
560: return <<"ENDJS";
561:
562: function getFormIdByName(formname) {
563: for (var i=0;i<document.forms.length;i++) {
564: if (document.forms[i].name == formname) {
565: return i;
566: }
567: }
568: return -1;
569: }
570:
571: function getIndexByName(formid,item) {
572: for (var i=0;i<document.forms[formid].elements.length;i++) {
573: if (document.forms[formid].elements[i].name == item) {
574: return i;
575: }
576: }
577: return -1;
578: }
579:
580: function getDomainFromSelectbox(formname,udom) {
581: var userdom;
582: var formid = getFormIdByName(formname);
583: if (formid > -1) {
584: var domid = getIndexByName(formid,udom);
585: if (domid > -1) {
586: if (document.forms[formid].elements[domid].type == 'select-one') {
587: userdom=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
588: }
589: if (document.forms[formid].elements[domid].type == 'hidden') {
590: userdom=document.forms[formid].elements[domid].value;
591: }
592: }
593: }
594: return userdom;
595: }
596:
597: ENDJS
598:
599: }
600:
601: sub userbrowser_javascript {
602: my $id_functions = &javascript_index_functions();
603: return <<"ENDUSERBRW";
604:
605: function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom,caller) {
606: var url = '/adm/pickuser?';
607: var userdom = getDomainFromSelectbox(formname,udom);
608: if (userdom != null) {
609: if (userdom != '') {
610: url += 'srchdom='+userdom+'&';
611: }
612: }
613: url += 'form=' + formname + '&unameelement='+uname+
614: '&udomelement='+udom+
615: '&ulastelement='+ulast+
616: '&ufirstelement='+ufirst+
617: '&uemailelement='+uemail+
618: '&hideudomelement='+hideudom+
619: '&coursedom='+crsdom;
620: if ((caller != null) && (caller != undefined)) {
621: url += '&caller='+caller;
622: }
623: var title = 'User_Browser';
624: var options = 'scrollbars=1,resizable=1,menubar=0';
625: options += ',width=700,height=600';
626: var stdeditbrowser = open(url,title,options,'1');
627: stdeditbrowser.focus();
628: }
629:
630: function fix_domain (formname,udom,origdom,uname) {
631: var formid = getFormIdByName(formname);
632: if (formid > -1) {
633: var unameid = getIndexByName(formid,uname);
634: var domid = getIndexByName(formid,udom);
635: var hidedomid = getIndexByName(formid,origdom);
636: if (hidedomid > -1) {
637: var fixeddom = document.forms[formid].elements[hidedomid].value;
638: var unameval = document.forms[formid].elements[unameid].value;
639: if ((fixeddom != '') && (fixeddom != undefined) && (fixeddom != null) && (unameval != '') && (unameval != undefined) && (unameval != null)) {
640: if (domid > -1) {
641: var slct = document.forms[formid].elements[domid];
642: if (slct.type == 'select-one') {
643: var i;
644: for (i=0;i<slct.length;i++) {
645: if (slct.options[i].value==fixeddom) { slct.selectedIndex=i; }
646: }
647: }
648: if (slct.type == 'hidden') {
649: slct.value = fixeddom;
650: }
651: }
652: }
653: }
654: }
655: return;
656: }
657:
658: $id_functions
659: ENDUSERBRW
660: }
661:
662: sub setsec_javascript {
663: my ($sec_element,$formname) = @_;
664: my $setsections = qq|
665: function setSect(sectionlist) {
666: var sectionsArray = new Array();
667: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
668: sectionsArray = sectionlist.split(",");
669: }
670: var numSections = sectionsArray.length;
671: document.$formname.$sec_element.length = 0;
672: if (numSections == 0) {
673: document.$formname.$sec_element.multiple=false;
674: document.$formname.$sec_element.size=1;
675: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
676: } else {
677: if (numSections == 1) {
678: document.$formname.$sec_element.multiple=false;
679: document.$formname.$sec_element.size=1;
680: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
681: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
682: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
683: } else {
684: for (var i=0; i<numSections; i++) {
685: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
686: }
687: document.$formname.$sec_element.multiple=true
688: if (numSections < 3) {
689: document.$formname.$sec_element.size=numSections;
690: } else {
691: document.$formname.$sec_element.size=3;
692: }
693: document.$formname.$sec_element.options[0].selected = false
694: }
695: }
696: }
697: |;
698: return $setsections;
699: }
700:
701:
702: sub selectcourse_link {
703: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_;
704: my $linktext = &mt('Select Course');
705: if ($selecttype eq 'Community') {
706: $linktext = &mt('Select Community');
707: }
708: return '<span class="LC_nobreak">'
709: ."<a href='"
710: .'javascript:opencrsbrowser("'.$form.'","'.$unameele
711: .'","'.$udomele.'","'.$desc.'","'.$extra_element
712: .'","'.$multflag.'","'.$selecttype.'");'
713: ."'>".$linktext.'</a>'
714: .'</span>';
715: }
716:
717: sub selectauthor_link {
718: my ($form,$udom)=@_;
719: return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
720: &mt('Select Author').'</a>';
721: }
722:
723: sub selectuser_link {
724: my ($form,$unameelem,$domelem,$lastelem,$firstelem,$emailelem,$hdomelem,
725: $coursedom,$linktext,$caller) = @_;
726: return '<a href="javascript:openuserbrowser('."'$form','$unameelem','$domelem',".
727: "'$lastelem','$firstelem','$emailelem','$hdomelem','$coursedom','$caller'".
728: ');">'.$linktext.'</a>';
729: }
730:
731: sub check_uncheck_jscript {
732: my $jscript = <<"ENDSCRT";
733: function checkAll(field) {
734: if (field.length > 0) {
735: for (i = 0; i < field.length; i++) {
736: field[i].checked = true ;
737: }
738: } else {
739: field.checked = true
740: }
741: }
742:
743: function uncheckAll(field) {
744: if (field.length > 0) {
745: for (i = 0; i < field.length; i++) {
746: field[i].checked = false ;
747: }
748: } else {
749: field.checked = false ;
750: }
751: }
752: ENDSCRT
753: return $jscript;
754: }
755:
756: sub select_timezone {
757: my ($name,$selected,$onchange,$includeempty)=@_;
758: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
759: if ($includeempty) {
760: $output .= '<option value=""';
761: if (($selected eq '') || ($selected eq 'local')) {
762: $output .= ' selected="selected" ';
763: }
764: $output .= '> </option>';
765: }
766: my @timezones = DateTime::TimeZone->all_names;
767: foreach my $tzone (@timezones) {
768: $output.= '<option value="'.$tzone.'"';
769: if ($tzone eq $selected) {
770: $output.=' selected="selected"';
771: }
772: $output.=">$tzone</option>\n";
773: }
774: $output.="</select>";
775: return $output;
776: }
777:
778: sub select_datelocale {
779: my ($name,$selected,$onchange,$includeempty)=@_;
780: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
781: if ($includeempty) {
782: $output .= '<option value=""';
783: if ($selected eq '') {
784: $output .= ' selected="selected" ';
785: }
786: $output .= '> </option>';
787: }
788: my (@possibles,%locale_names);
789: my @locales = DateTime::Locale::Catalog::Locales;
790: foreach my $locale (@locales) {
791: if (ref($locale) eq 'HASH') {
792: my $id = $locale->{'id'};
793: if ($id ne '') {
794: my $en_terr = $locale->{'en_territory'};
795: my $native_terr = $locale->{'native_territory'};
796: my @languages = &Apache::lonlocal::preferred_languages();
797: if (grep(/^en$/,@languages) || !@languages) {
798: if ($en_terr ne '') {
799: $locale_names{$id} = '('.$en_terr.')';
800: } elsif ($native_terr ne '') {
801: $locale_names{$id} = $native_terr;
802: }
803: } else {
804: if ($native_terr ne '') {
805: $locale_names{$id} = $native_terr.' ';
806: } elsif ($en_terr ne '') {
807: $locale_names{$id} = '('.$en_terr.')';
808: }
809: }
810: push (@possibles,$id);
811: }
812: }
813: }
814: foreach my $item (sort(@possibles)) {
815: $output.= '<option value="'.$item.'"';
816: if ($item eq $selected) {
817: $output.=' selected="selected"';
818: }
819: $output.=">$item";
820: if ($locale_names{$item} ne '') {
821: $output.=" $locale_names{$item}</option>\n";
822: }
823: $output.="</option>\n";
824: }
825: $output.="</select>";
826: return $output;
827: }
828:
829: sub select_language {
830: my ($name,$selected,$includeempty) = @_;
831: my %langchoices;
832: if ($includeempty) {
833: %langchoices = ('' => 'No language preference');
834: }
835: foreach my $id (&languageids()) {
836: my $code = &supportedlanguagecode($id);
837: if ($code) {
838: $langchoices{$code} = &plainlanguagedescription($id);
839: }
840: }
841: return &select_form($selected,$name,%langchoices);
842: }
843:
844: =pod
845:
846: =item * &linked_select_forms(...)
847:
848: linked_select_forms returns a string containing a <script></script> block
849: and html for two <select> menus. The select menus will be linked in that
850: changing the value of the first menu will result in new values being placed
851: in the second menu. The values in the select menu will appear in alphabetical
852: order unless a defined order is provided.
853:
854: linked_select_forms takes the following ordered inputs:
855:
856: =over 4
857:
858: =item * $formname, the name of the <form> tag
859:
860: =item * $middletext, the text which appears between the <select> tags
861:
862: =item * $firstdefault, the default value for the first menu
863:
864: =item * $firstselectname, the name of the first <select> tag
865:
866: =item * $secondselectname, the name of the second <select> tag
867:
868: =item * $hashref, a reference to a hash containing the data for the menus.
869:
870: =item * $menuorder, the order of values in the first menu
871:
872: =back
873:
874: Below is an example of such a hash. Only the 'text', 'default', and
875: 'select2' keys must appear as stated. keys(%menu) are the possible
876: values for the first select menu. The text that coincides with the
877: first menu value is given in $menu{$choice1}->{'text'}. The values
878: and text for the second menu are given in the hash pointed to by
879: $menu{$choice1}->{'select2'}.
880:
881: my %menu = ( A1 => { text =>"Choice A1" ,
882: default => "B3",
883: select2 => {
884: B1 => "Choice B1",
885: B2 => "Choice B2",
886: B3 => "Choice B3",
887: B4 => "Choice B4"
888: },
889: order => ['B4','B3','B1','B2'],
890: },
891: A2 => { text =>"Choice A2" ,
892: default => "C2",
893: select2 => {
894: C1 => "Choice C1",
895: C2 => "Choice C2",
896: C3 => "Choice C3"
897: },
898: order => ['C2','C1','C3'],
899: },
900: A3 => { text =>"Choice A3" ,
901: default => "D6",
902: select2 => {
903: D1 => "Choice D1",
904: D2 => "Choice D2",
905: D3 => "Choice D3",
906: D4 => "Choice D4",
907: D5 => "Choice D5",
908: D6 => "Choice D6",
909: D7 => "Choice D7"
910: },
911: order => ['D4','D3','D2','D1','D7','D6','D5'],
912: }
913: );
914:
915: =cut
916:
917: sub linked_select_forms {
918: my ($formname,
919: $middletext,
920: $firstdefault,
921: $firstselectname,
922: $secondselectname,
923: $hashref,
924: $menuorder,
925: ) = @_;
926: my $second = "document.$formname.$secondselectname";
927: my $first = "document.$formname.$firstselectname";
928: # output the javascript to do the changing
929: my $result = '';
930: $result.='<script type="text/javascript" language="JavaScript">'."\n";
931: $result.="// <![CDATA[\n";
932: $result.="var select2data = new Object();\n";
933: $" = '","';
934: my $debug = '';
935: foreach my $s1 (sort(keys(%$hashref))) {
936: $result.="select2data.d_$s1 = new Object();\n";
937: $result.="select2data.d_$s1.def = new String('".
938: $hashref->{$s1}->{'default'}."');\n";
939: $result.="select2data.d_$s1.values = new Array(";
940: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
941: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
942: @s2values = @{$hashref->{$s1}->{'order'}};
943: }
944: $result.="\"@s2values\");\n";
945: $result.="select2data.d_$s1.texts = new Array(";
946: my @s2texts;
947: foreach my $value (@s2values) {
948: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
949: }
950: $result.="\"@s2texts\");\n";
951: }
952: $"=' ';
953: $result.= <<"END";
954:
955: function select1_changed() {
956: // Determine new choice
957: var newvalue = "d_" + $first.value;
958: // update select2
959: var values = select2data[newvalue].values;
960: var texts = select2data[newvalue].texts;
961: var select2def = select2data[newvalue].def;
962: var i;
963: // out with the old
964: for (i = 0; i < $second.options.length; i++) {
965: $second.options[i] = null;
966: }
967: // in with the nuclear
968: for (i=0;i<values.length; i++) {
969: $second.options[i] = new Option(values[i]);
970: $second.options[i].value = values[i];
971: $second.options[i].text = texts[i];
972: if (values[i] == select2def) {
973: $second.options[i].selected = true;
974: }
975: }
976: }
977: // ]]>
978: </script>
979: END
980: # output the initial values for the selection lists
981: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
982: my @order = sort(keys(%{$hashref}));
983: if (ref($menuorder) eq 'ARRAY') {
984: @order = @{$menuorder};
985: }
986: foreach my $value (@order) {
987: $result.=" <option value=\"$value\" ";
988: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
989: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
990: }
991: $result .= "</select>\n";
992: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
993: $result .= $middletext;
994: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
995: my $seconddefault = $hashref->{$firstdefault}->{'default'};
996:
997: my @secondorder = sort(keys(%select2));
998: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
999: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
1000: }
1001: foreach my $value (@secondorder) {
1002: $result.=" <option value=\"$value\" ";
1003: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1004: $result.=">".&mt($select2{$value})."</option>\n";
1005: }
1006: $result .= "</select>\n";
1007: # return $debug;
1008: return $result;
1009: } # end of sub linked_select_forms {
1010:
1011: =pod
1012:
1013: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
1014:
1015: Returns a string corresponding to an HTML link to the given help
1016: $topic, where $topic corresponds to the name of a .tex file in
1017: /home/httpd/html/adm/help/tex, with underscores replaced by
1018: spaces.
1019:
1020: $text will optionally be linked to the same topic, allowing you to
1021: link text in addition to the graphic. If you do not want to link
1022: text, but wish to specify one of the later parameters, pass an
1023: empty string.
1024:
1025: $stayOnPage is a value that will be interpreted as a boolean. If true,
1026: the link will not open a new window. If false, the link will open
1027: a new window using Javascript. (Default is false.)
1028:
1029: $width and $height are optional numerical parameters that will
1030: override the width and height of the popped up window, which may
1031: be useful for certain help topics with big pictures included.
1032:
1033: =cut
1034:
1035: sub help_open_topic {
1036: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1037: $text = "" if (not defined $text);
1038: $stayOnPage = 0 if (not defined $stayOnPage);
1039: $width = 350 if (not defined $width);
1040: $height = 400 if (not defined $height);
1041: my $filename = $topic;
1042: $filename =~ s/ /_/g;
1043:
1044: my $template = "";
1045: my $link;
1046:
1047: $topic=~s/\W/\_/g;
1048:
1049: if (!$stayOnPage) {
1050: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1051: } else {
1052: $link = "/adm/help/${filename}.hlp";
1053: }
1054:
1055: # Add the text
1056: if ($text ne "") {
1057: $template.='<span class="LC_help_open_topic">'
1058: .'<a target="_top" href="'.$link.'">'
1059: .$text.'</a>';
1060: }
1061:
1062: # (Always) Add the graphic
1063: my $title = &mt('Online Help');
1064: my $helpicon=&lonhttpdurl("/adm/help/help.png");
1065: $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
1066: .'<img src="'.$helpicon.'" border="0"'
1067: .' alt="'.&mt('Help: [_1]',$topic).'"'
1068: .' title="'.$title.'"'
1069: .' /></a>';
1070: if ($text ne "") {
1071: $template.='</span>';
1072: }
1073: return $template;
1074:
1075: }
1076:
1077: # This is a quicky function for Latex cheatsheet editing, since it
1078: # appears in at least four places
1079: sub helpLatexCheatsheet {
1080: my ($topic,$text,$not_author) = @_;
1081: my $out;
1082: my $addOther = '';
1083: if ($topic) {
1084: $addOther = '<span>'.&Apache::loncommon::help_open_topic($topic,&mt($text),
1085: undef, undef, 600).
1086: '</span> ';
1087: }
1088: $out = '<span>' # Start cheatsheet
1089: .$addOther
1090: .'<span>'
1091: .&Apache::loncommon::help_open_topic('Greek_Symbols',&mt('Greek Symbols'),
1092: undef,undef,600)
1093: .'</span> <span>'
1094: .&Apache::loncommon::help_open_topic('Other_Symbols',&mt('Other Symbols'),
1095: undef,undef,600)
1096: .'</span>';
1097: unless ($not_author) {
1098: $out .= ' <span>'
1099: .&Apache::loncommon::help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),
1100: undef,undef,600)
1101: .'</span>';
1102: }
1103: $out .= '</span>'; # End cheatsheet
1104: return $out;
1105: }
1106:
1107: sub general_help {
1108: my $helptopic='Student_Intro';
1109: if ($env{'request.role'}=~/^(ca|au)/) {
1110: $helptopic='Authoring_Intro';
1111: } elsif ($env{'request.role'}=~/^cc/) {
1112: $helptopic='Course_Coordination_Intro';
1113: } elsif ($env{'request.role'}=~/^dc/) {
1114: $helptopic='Domain_Coordination_Intro';
1115: }
1116: return $helptopic;
1117: }
1118:
1119: sub update_help_link {
1120: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
1121: my $origurl = $ENV{'REQUEST_URI'};
1122: $origurl=~s|^/~|/priv/|;
1123: my $timestamp = time;
1124: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
1125: $$datum = &escape($$datum);
1126: }
1127:
1128: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
1129: my $output .= <<"ENDOUTPUT";
1130: <script type="text/javascript">
1131: // <![CDATA[
1132: banner_link = '$banner_link';
1133: // ]]>
1134: </script>
1135: ENDOUTPUT
1136: return $output;
1137: }
1138:
1139: # now just updates the help link and generates a blue icon
1140: sub help_open_menu {
1141: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1142: = @_;
1143: $stayOnPage = 0 if (not defined $stayOnPage);
1144: # only use pop-up help (stayOnPage == 0)
1145: # if environment.remote is on (using remote control UI)
1146: if ($env{'environment.remote'} eq 'off' ) {
1147: $stayOnPage=1;
1148: }
1149: my $output;
1150: if ($component_help) {
1151: if (!$text) {
1152: $output=&help_open_topic($component_help,undef,$stayOnPage,
1153: $width,$height);
1154: } else {
1155: my $help_text;
1156: $help_text=&unescape($topic);
1157: $output='<table><tr><td>'.
1158: &help_open_topic($component_help,$help_text,$stayOnPage,
1159: $width,$height).'</td></tr></table>';
1160: }
1161: }
1162: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
1163: return $output.$banner_link;
1164: }
1165:
1166: sub top_nav_help {
1167: my ($text) = @_;
1168: $text = &mt($text);
1169: my $stay_on_page =
1170: ($env{'environment.remote'} eq 'off' );
1171: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1172: : "javascript:helpMenu('open')";
1173: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1174:
1175: my $title = &mt('Get help');
1176:
1177: return <<"END";
1178: $banner_link
1179: <a href="$link" title="$title">$text</a>
1180: END
1181: }
1182:
1183: sub help_menu_js {
1184: my ($text) = @_;
1185:
1186: my $stayOnPage =
1187: ($env{'environment.remote'} eq 'off' );
1188:
1189: my $width = 620;
1190: my $height = 600;
1191: my $helptopic=&general_help();
1192: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1193: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1194: my $start_page =
1195: &Apache::loncommon::start_page('Help Menu', undef,
1196: {'frameset' => 1,
1197: 'js_ready' => 1,
1198: 'add_entries' => {
1199: 'border' => '0',
1200: 'rows' => "110,*",},});
1201: my $end_page =
1202: &Apache::loncommon::end_page({'frameset' => 1,
1203: 'js_ready' => 1,});
1204:
1205: my $template .= <<"ENDTEMPLATE";
1206: <script type="text/javascript">
1207: // <![CDATA[
1208: // <!-- BEGIN LON-CAPA Internal
1209: var banner_link = '';
1210: function helpMenu(target) {
1211: var caller = this;
1212: if (target == 'open') {
1213: var newWindow = null;
1214: try {
1215: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1216: }
1217: catch(error) {
1218: writeHelp(caller);
1219: return;
1220: }
1221: if (newWindow) {
1222: caller = newWindow;
1223: }
1224: }
1225: writeHelp(caller);
1226: return;
1227: }
1228: function writeHelp(caller) {
1229: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1230: caller.document.close()
1231: caller.focus()
1232: }
1233: // END LON-CAPA Internal -->
1234: // ]]>
1235: </script>
1236: ENDTEMPLATE
1237: return $template;
1238: }
1239:
1240: sub help_open_bug {
1241: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1242: unless ($env{'user.adv'}) { return ''; }
1243: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
1244: $text = "" if (not defined $text);
1245: $stayOnPage = 0 if (not defined $stayOnPage);
1246: if ($env{'environment.remote'} eq 'off' ) {
1247: $stayOnPage=1;
1248: }
1249: $width = 600 if (not defined $width);
1250: $height = 600 if (not defined $height);
1251:
1252: $topic=~s/\W+/\+/g;
1253: my $link='';
1254: my $template='';
1255: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1256: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1257: if (!$stayOnPage)
1258: {
1259: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1260: }
1261: else
1262: {
1263: $link = $url;
1264: }
1265: # Add the text
1266: if ($text ne "")
1267: {
1268: $template .=
1269: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1270: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
1271: }
1272:
1273: # Add the graphic
1274: my $title = &mt('Report a Bug');
1275: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1276: $template .= <<"ENDTEMPLATE";
1277: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1278: ENDTEMPLATE
1279: if ($text ne '') { $template.='</td></tr></table>' };
1280: return $template;
1281:
1282: }
1283:
1284: sub help_open_faq {
1285: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1286: unless ($env{'user.adv'}) { return ''; }
1287: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1288: $text = "" if (not defined $text);
1289: $stayOnPage = 0 if (not defined $stayOnPage);
1290: if ($env{'environment.remote'} eq 'off' ) {
1291: $stayOnPage=1;
1292: }
1293: $width = 350 if (not defined $width);
1294: $height = 400 if (not defined $height);
1295:
1296: $topic=~s/\W+/\+/g;
1297: my $link='';
1298: my $template='';
1299: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1300: if (!$stayOnPage)
1301: {
1302: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1303: }
1304: else
1305: {
1306: $link = $url;
1307: }
1308:
1309: # Add the text
1310: if ($text ne "")
1311: {
1312: $template .=
1313: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1314: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
1315: }
1316:
1317: # Add the graphic
1318: my $title = &mt('View the FAQ');
1319: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1320: $template .= <<"ENDTEMPLATE";
1321: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1322: ENDTEMPLATE
1323: if ($text ne '') { $template.='</td></tr></table>' };
1324: return $template;
1325:
1326: }
1327:
1328: ###############################################################
1329: ###############################################################
1330:
1331: =pod
1332:
1333: =item * &change_content_javascript():
1334:
1335: This and the next function allow you to create small sections of an
1336: otherwise static HTML page that you can update on the fly with
1337: Javascript, even in Netscape 4.
1338:
1339: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1340: must be written to the HTML page once. It will prove the Javascript
1341: function "change(name, content)". Calling the change function with the
1342: name of the section
1343: you want to update, matching the name passed to C<changable_area>, and
1344: the new content you want to put in there, will put the content into
1345: that area.
1346:
1347: B<Note>: Netscape 4 only reserves enough space for the changable area
1348: to contain room for the original contents. You need to "make space"
1349: for whatever changes you wish to make, and be B<sure> to check your
1350: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1351: it's adequate for updating a one-line status display, but little more.
1352: This script will set the space to 100% width, so you only need to
1353: worry about height in Netscape 4.
1354:
1355: Modern browsers are much less limiting, and if you can commit to the
1356: user not using Netscape 4, this feature may be used freely with
1357: pretty much any HTML.
1358:
1359: =cut
1360:
1361: sub change_content_javascript {
1362: # If we're on Netscape 4, we need to use Layer-based code
1363: if ($env{'browser.type'} eq 'netscape' &&
1364: $env{'browser.version'} =~ /^4\./) {
1365: return (<<NETSCAPE4);
1366: function change(name, content) {
1367: doc = document.layers[name+"___escape"].layers[0].document;
1368: doc.open();
1369: doc.write(content);
1370: doc.close();
1371: }
1372: NETSCAPE4
1373: } else {
1374: # Otherwise, we need to use semi-standards-compliant code
1375: # (technically, "innerHTML" isn't standard but the equivalent
1376: # is really scary, and every useful browser supports it
1377: return (<<DOMBASED);
1378: function change(name, content) {
1379: element = document.getElementById(name);
1380: element.innerHTML = content;
1381: }
1382: DOMBASED
1383: }
1384: }
1385:
1386: =pod
1387:
1388: =item * &changable_area($name,$origContent):
1389:
1390: This provides a "changable area" that can be modified on the fly via
1391: the Javascript code provided in C<change_content_javascript>. $name is
1392: the name you will use to reference the area later; do not repeat the
1393: same name on a given HTML page more then once. $origContent is what
1394: the area will originally contain, which can be left blank.
1395:
1396: =cut
1397:
1398: sub changable_area {
1399: my ($name, $origContent) = @_;
1400:
1401: if ($env{'browser.type'} eq 'netscape' &&
1402: $env{'browser.version'} =~ /^4\./) {
1403: # If this is netscape 4, we need to use the Layer tag
1404: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1405: } else {
1406: return "<span id='$name'>$origContent</span>";
1407: }
1408: }
1409:
1410: =pod
1411:
1412: =item * &viewport_geometry_js
1413:
1414: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1415:
1416: =cut
1417:
1418:
1419: sub viewport_geometry_js {
1420: return <<"GEOMETRY";
1421: var Geometry = {};
1422: function init_geometry() {
1423: if (Geometry.init) { return };
1424: Geometry.init=1;
1425: if (window.innerHeight) {
1426: Geometry.getViewportHeight = function() { return window.innerHeight; };
1427: Geometry.getViewportWidth = function() { return window.innerWidth; };
1428: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1429: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1430: }
1431: else if (document.documentElement && document.documentElement.clientHeight) {
1432: Geometry.getViewportHeight =
1433: function() { return document.documentElement.clientHeight; };
1434: Geometry.getViewportWidth =
1435: function() { return document.documentElement.clientWidth; };
1436:
1437: Geometry.getHorizontalScroll =
1438: function() { return document.documentElement.scrollLeft; };
1439: Geometry.getVerticalScroll =
1440: function() { return document.documentElement.scrollTop; };
1441: }
1442: else if (document.body.clientHeight) {
1443: Geometry.getViewportHeight =
1444: function() { return document.body.clientHeight; };
1445: Geometry.getViewportWidth =
1446: function() { return document.body.clientWidth; };
1447: Geometry.getHorizontalScroll =
1448: function() { return document.body.scrollLeft; };
1449: Geometry.getVerticalScroll =
1450: function() { return document.body.scrollTop; };
1451: }
1452: }
1453:
1454: GEOMETRY
1455: }
1456:
1457: =pod
1458:
1459: =item * &viewport_size_js()
1460:
1461: Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.
1462:
1463: =cut
1464:
1465: sub viewport_size_js {
1466: my $geometry = &viewport_geometry_js();
1467: return <<"DIMS";
1468:
1469: $geometry
1470:
1471: function getViewportDims(width,height) {
1472: init_geometry();
1473: width.value = Geometry.getViewportWidth();
1474: height.value = Geometry.getViewportHeight();
1475: return;
1476: }
1477:
1478: DIMS
1479: }
1480:
1481: =pod
1482:
1483: =item * &resize_textarea_js()
1484:
1485: emits the needed javascript to resize a textarea to be as big as possible
1486:
1487: creates a function resize_textrea that takes two IDs first should be
1488: the id of the element to resize, second should be the id of a div that
1489: surrounds everything that comes after the textarea, this routine needs
1490: to be attached to the <body> for the onload and onresize events.
1491:
1492: =back
1493:
1494: =cut
1495:
1496: sub resize_textarea_js {
1497: my $geometry = &viewport_geometry_js();
1498: return <<"RESIZE";
1499: <script type="text/javascript">
1500: // <![CDATA[
1501: $geometry
1502:
1503: function getX(element) {
1504: var x = 0;
1505: while (element) {
1506: x += element.offsetLeft;
1507: element = element.offsetParent;
1508: }
1509: return x;
1510: }
1511: function getY(element) {
1512: var y = 0;
1513: while (element) {
1514: y += element.offsetTop;
1515: element = element.offsetParent;
1516: }
1517: return y;
1518: }
1519:
1520:
1521: function resize_textarea(textarea_id,bottom_id) {
1522: init_geometry();
1523: var textarea = document.getElementById(textarea_id);
1524: //alert(textarea);
1525:
1526: var textarea_top = getY(textarea);
1527: var textarea_height = textarea.offsetHeight;
1528: var bottom = document.getElementById(bottom_id);
1529: var bottom_top = getY(bottom);
1530: var bottom_height = bottom.offsetHeight;
1531: var window_height = Geometry.getViewportHeight();
1532: var fudge = 23;
1533: var new_height = window_height-fudge-textarea_top-bottom_height;
1534: if (new_height < 300) {
1535: new_height = 300;
1536: }
1537: textarea.style.height=new_height+'px';
1538: }
1539: // ]]>
1540: </script>
1541: RESIZE
1542:
1543: }
1544:
1545: =pod
1546:
1547: =head1 Excel and CSV file utility routines
1548:
1549: =over 4
1550:
1551: =cut
1552:
1553: ###############################################################
1554: ###############################################################
1555:
1556: =pod
1557:
1558: =item * &csv_translate($text)
1559:
1560: Translate $text to allow it to be output as a 'comma separated values'
1561: format.
1562:
1563: =cut
1564:
1565: ###############################################################
1566: ###############################################################
1567: sub csv_translate {
1568: my $text = shift;
1569: $text =~ s/\"/\"\"/g;
1570: $text =~ s/\n/ /g;
1571: return $text;
1572: }
1573:
1574: ###############################################################
1575: ###############################################################
1576:
1577: =pod
1578:
1579: =item * &define_excel_formats()
1580:
1581: Define some commonly used Excel cell formats.
1582:
1583: Currently supported formats:
1584:
1585: =over 4
1586:
1587: =item header
1588:
1589: =item bold
1590:
1591: =item h1
1592:
1593: =item h2
1594:
1595: =item h3
1596:
1597: =item h4
1598:
1599: =item i
1600:
1601: =item date
1602:
1603: =back
1604:
1605: Inputs: $workbook
1606:
1607: Returns: $format, a hash reference.
1608:
1609: =cut
1610:
1611: ###############################################################
1612: ###############################################################
1613: sub define_excel_formats {
1614: my ($workbook) = @_;
1615: my $format;
1616: $format->{'header'} = $workbook->add_format(bold => 1,
1617: bottom => 1,
1618: align => 'center');
1619: $format->{'bold'} = $workbook->add_format(bold=>1);
1620: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1621: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1622: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1623: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1624: $format->{'i'} = $workbook->add_format(italic=>1);
1625: $format->{'date'} = $workbook->add_format(num_format=>
1626: 'mm/dd/yyyy hh:mm:ss');
1627: return $format;
1628: }
1629:
1630: ###############################################################
1631: ###############################################################
1632:
1633: =pod
1634:
1635: =item * &create_workbook()
1636:
1637: Create an Excel worksheet. If it fails, output message on the
1638: request object and return undefs.
1639:
1640: Inputs: Apache request object
1641:
1642: Returns (undef) on failure,
1643: Excel worksheet object, scalar with filename, and formats
1644: from &Apache::loncommon::define_excel_formats on success
1645:
1646: =cut
1647:
1648: ###############################################################
1649: ###############################################################
1650: sub create_workbook {
1651: my ($r) = @_;
1652: #
1653: # Create the excel spreadsheet
1654: my $filename = '/prtspool/'.
1655: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1656: time.'_'.rand(1000000000).'.xls';
1657: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1658: if (! defined($workbook)) {
1659: $r->log_error("Error creating excel spreadsheet $filename: $!");
1660: $r->print('<p>'.&mt("Unable to create new Excel file. ".
1661: "This error has been logged. ".
1662: "Please alert your LON-CAPA administrator").
1663: '</p>');
1664: return (undef);
1665: }
1666: #
1667: $workbook->set_tempdir('/home/httpd/perl/tmp');
1668: #
1669: my $format = &Apache::loncommon::define_excel_formats($workbook);
1670: return ($workbook,$filename,$format);
1671: }
1672:
1673: ###############################################################
1674: ###############################################################
1675:
1676: =pod
1677:
1678: =item * &create_text_file()
1679:
1680: Create a file to write to and eventually make available to the user.
1681: If file creation fails, outputs an error message on the request object and
1682: return undefs.
1683:
1684: Inputs: Apache request object, and file suffix
1685:
1686: Returns (undef) on failure,
1687: Filehandle and filename on success.
1688:
1689: =cut
1690:
1691: ###############################################################
1692: ###############################################################
1693: sub create_text_file {
1694: my ($r,$suffix) = @_;
1695: if (! defined($suffix)) { $suffix = 'txt'; };
1696: my $fh;
1697: my $filename = '/prtspool/'.
1698: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1699: time.'_'.rand(1000000000).'.'.$suffix;
1700: $fh = Apache::File->new('>/home/httpd'.$filename);
1701: if (! defined($fh)) {
1702: $r->log_error("Couldn't open $filename for output $!");
1703: $r->print(&mt('Problems occurred in creating the output file. '
1704: .'This error has been logged. '
1705: .'Please alert your LON-CAPA administrator.'));
1706: }
1707: return ($fh,$filename)
1708: }
1709:
1710:
1711: =pod
1712:
1713: =back
1714:
1715: =cut
1716:
1717: ###############################################################
1718: ## Home server <option> list generating code ##
1719: ###############################################################
1720:
1721: # ------------------------------------------
1722:
1723: sub domain_select {
1724: my ($name,$value,$multiple)=@_;
1725: my %domains=map {
1726: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1727: } &Apache::lonnet::all_domains();
1728: if ($multiple) {
1729: $domains{''}=&mt('Any domain');
1730: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1731: return &multiple_select_form($name,$value,4,\%domains);
1732: } else {
1733: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1734: return &select_form($name,$value,%domains);
1735: }
1736: }
1737:
1738: #-------------------------------------------
1739:
1740: =pod
1741:
1742: =head1 Routines for form select boxes
1743:
1744: =over 4
1745:
1746: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1747:
1748: Returns a string containing a <select> element int multiple mode
1749:
1750:
1751: Args:
1752: $name - name of the <select> element
1753: $value - scalar or array ref of values that should already be selected
1754: $size - number of rows long the select element is
1755: $hash - the elements should be 'option' => 'shown text'
1756: (shown text should already have been &mt())
1757: $order - (optional) array ref of the order to show the elements in
1758:
1759: =cut
1760:
1761: #-------------------------------------------
1762: sub multiple_select_form {
1763: my ($name,$value,$size,$hash,$order)=@_;
1764: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1765: my $output='';
1766: if (! defined($size)) {
1767: $size = 4;
1768: if (scalar(keys(%$hash))<4) {
1769: $size = scalar(keys(%$hash));
1770: }
1771: }
1772: $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
1773: my @order;
1774: if (ref($order) eq 'ARRAY') {
1775: @order = @{$order};
1776: } else {
1777: @order = sort(keys(%$hash));
1778: }
1779: if (exists($$hash{'select_form_order'})) {
1780: @order = @{$$hash{'select_form_order'}};
1781: }
1782:
1783: foreach my $key (@order) {
1784: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1785: $output.='selected="selected" ' if ($selected{$key});
1786: $output.='>'.$hash->{$key}."</option>\n";
1787: }
1788: $output.="</select>\n";
1789: return $output;
1790: }
1791:
1792: #-------------------------------------------
1793:
1794: =pod
1795:
1796: =item * &select_form($defdom,$name,%hash)
1797:
1798: Returns a string containing a <select name='$name' size='1'> form to
1799: allow a user to select options from a hash option_name => displayed text.
1800: See lonrights.pm for an example invocation and use.
1801:
1802: =cut
1803:
1804: #-------------------------------------------
1805: sub select_form {
1806: my ($def,$name,%hash) = @_;
1807: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1808: my @keys;
1809: if (exists($hash{'select_form_order'})) {
1810: @keys=@{$hash{'select_form_order'}};
1811: } else {
1812: @keys=sort(keys(%hash));
1813: }
1814: foreach my $key (@keys) {
1815: $selectform.=
1816: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1817: ($key eq $def ? 'selected="selected" ' : '').
1818: ">".&mt($hash{$key})."</option>\n";
1819: }
1820: $selectform.="</select>";
1821: return $selectform;
1822: }
1823:
1824: # For display filters
1825:
1826: sub display_filter {
1827: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1828: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1829: return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
1830: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1831: (&mt('all'),10,20,50,100,1000,10000))).
1832: '</label></span> <span class="LC_nobreak">'.
1833: &mt('Filter [_1]',
1834: &select_form($env{'form.displayfilter'},
1835: 'displayfilter',
1836: ('currentfolder' => 'Current folder/page',
1837: 'containing' => 'Containing phrase',
1838: 'none' => 'None'))).
1839: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
1840: }
1841:
1842: sub gradeleveldescription {
1843: my $gradelevel=shift;
1844: my %gradelevels=(0 => 'Not specified',
1845: 1 => 'Grade 1',
1846: 2 => 'Grade 2',
1847: 3 => 'Grade 3',
1848: 4 => 'Grade 4',
1849: 5 => 'Grade 5',
1850: 6 => 'Grade 6',
1851: 7 => 'Grade 7',
1852: 8 => 'Grade 8',
1853: 9 => 'Grade 9',
1854: 10 => 'Grade 10',
1855: 11 => 'Grade 11',
1856: 12 => 'Grade 12',
1857: 13 => 'Grade 13',
1858: 14 => '100 Level',
1859: 15 => '200 Level',
1860: 16 => '300 Level',
1861: 17 => '400 Level',
1862: 18 => 'Graduate Level');
1863: return &mt($gradelevels{$gradelevel});
1864: }
1865:
1866: sub select_level_form {
1867: my ($deflevel,$name)=@_;
1868: unless ($deflevel) { $deflevel=0; }
1869: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1870: for (my $i=0; $i<=18; $i++) {
1871: $selectform.="<option value=\"$i\" ".
1872: ($i==$deflevel ? 'selected="selected" ' : '').
1873: ">".&gradeleveldescription($i)."</option>\n";
1874: }
1875: $selectform.="</select>";
1876: return $selectform;
1877: }
1878:
1879: #-------------------------------------------
1880:
1881: =pod
1882:
1883: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange)
1884:
1885: Returns a string containing a <select name='$name' size='1'> form to
1886: allow a user to select the domain to preform an operation in.
1887: See loncreateuser.pm for an example invocation and use.
1888:
1889: If the $includeempty flag is set, it also includes an empty choice ("no domain
1890: selected");
1891:
1892: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1893:
1894: The optional $onchange argumnet specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
1895:
1896: =cut
1897:
1898: #-------------------------------------------
1899: sub select_dom_form {
1900: my ($defdom,$name,$includeempty,$showdomdesc,$onchange) = @_;
1901: if ($onchange) {
1902: $onchange = ' onchange="'.$onchange.'"';
1903: }
1904: my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1905: if ($includeempty) { @domains=('',@domains); }
1906: my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
1907: foreach my $dom (@domains) {
1908: $selectdomain.="<option value=\"$dom\" ".
1909: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1910: if ($showdomdesc) {
1911: if ($dom ne '') {
1912: my $domdesc = &Apache::lonnet::domain($dom,'description');
1913: if ($domdesc ne '') {
1914: $selectdomain .= ' ('.$domdesc.')';
1915: }
1916: }
1917: }
1918: $selectdomain .= "</option>\n";
1919: }
1920: $selectdomain.="</select>";
1921: return $selectdomain;
1922: }
1923:
1924: #-------------------------------------------
1925:
1926: =pod
1927:
1928: =item * &home_server_form_item($domain,$name,$defaultflag)
1929:
1930: input: 4 arguments (two required, two optional) -
1931: $domain - domain of new user
1932: $name - name of form element
1933: $default - Value of 'default' causes a default item to be first
1934: option, and selected by default.
1935: $hide - Value of 'hide' causes hiding of the name of the server,
1936: if 1 server found, or default, if 0 found.
1937: output: returns 2 items:
1938: (a) form element which contains either:
1939: (i) <select name="$name">
1940: <option value="$hostid1">$hostid $servers{$hostid}</option>
1941: <option value="$hostid2">$hostid $servers{$hostid}</option>
1942: </select>
1943: form item if there are multiple library servers in $domain, or
1944: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
1945: if there is only one library server in $domain.
1946:
1947: (b) number of library servers found.
1948:
1949: See loncreateuser.pm for example of use.
1950:
1951: =cut
1952:
1953: #-------------------------------------------
1954: sub home_server_form_item {
1955: my ($domain,$name,$default,$hide) = @_;
1956: my %servers = &Apache::lonnet::get_servers($domain,'library');
1957: my $result;
1958: my $numlib = keys(%servers);
1959: if ($numlib > 1) {
1960: $result .= '<select name="'.$name.'" />'."\n";
1961: if ($default) {
1962: $result .= '<option value="default" selected="selected">'.&mt('default').
1963: '</option>'."\n";
1964: }
1965: foreach my $hostid (sort(keys(%servers))) {
1966: $result.= '<option value="'.$hostid.'">'.
1967: $hostid.' '.$servers{$hostid}."</option>\n";
1968: }
1969: $result .= '</select>'."\n";
1970: } elsif ($numlib == 1) {
1971: my $hostid;
1972: foreach my $item (keys(%servers)) {
1973: $hostid = $item;
1974: }
1975: $result .= '<input type="hidden" name="'.$name.'" value="'.
1976: $hostid.'" />';
1977: if (!$hide) {
1978: $result .= $hostid.' '.$servers{$hostid};
1979: }
1980: $result .= "\n";
1981: } elsif ($default) {
1982: $result .= '<input type="hidden" name="'.$name.
1983: '" value="default" />';
1984: if (!$hide) {
1985: $result .= &mt('default');
1986: }
1987: $result .= "\n";
1988: }
1989: return ($result,$numlib);
1990: }
1991:
1992: =pod
1993:
1994: =back
1995:
1996: =cut
1997:
1998: ###############################################################
1999: ## Decoding User Agent ##
2000: ###############################################################
2001:
2002: =pod
2003:
2004: =head1 Decoding the User Agent
2005:
2006: =over 4
2007:
2008: =item * &decode_user_agent()
2009:
2010: Inputs: $r
2011:
2012: Outputs:
2013:
2014: =over 4
2015:
2016: =item * $httpbrowser
2017:
2018: =item * $clientbrowser
2019:
2020: =item * $clientversion
2021:
2022: =item * $clientmathml
2023:
2024: =item * $clientunicode
2025:
2026: =item * $clientos
2027:
2028: =back
2029:
2030: =back
2031:
2032: =cut
2033:
2034: ###############################################################
2035: ###############################################################
2036: sub decode_user_agent {
2037: my ($r)=@_;
2038: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
2039: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
2040: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
2041: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
2042: my $clientbrowser='unknown';
2043: my $clientversion='0';
2044: my $clientmathml='';
2045: my $clientunicode='0';
2046: for (my $i=0;$i<=$#browsertype;$i++) {
2047: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
2048: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
2049: $clientbrowser=$bname;
2050: $httpbrowser=~/$vreg/i;
2051: $clientversion=$1;
2052: $clientmathml=($clientversion>=$minv);
2053: $clientunicode=($clientversion>=$univ);
2054: }
2055: }
2056: my $clientos='unknown';
2057: if (($httpbrowser=~/linux/i) ||
2058: ($httpbrowser=~/unix/i) ||
2059: ($httpbrowser=~/ux/i) ||
2060: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
2061: if (($httpbrowser=~/vax/i) ||
2062: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
2063: if ($httpbrowser=~/next/i) { $clientos='next'; }
2064: if (($httpbrowser=~/mac/i) ||
2065: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
2066: if ($httpbrowser=~/win/i) { $clientos='win'; }
2067: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
2068: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
2069: $clientunicode,$clientos,);
2070: }
2071:
2072: ###############################################################
2073: ## Authentication changing form generation subroutines ##
2074: ###############################################################
2075: ##
2076: ## All of the authform_xxxxxxx subroutines take their inputs in a
2077: ## hash, and have reasonable default values.
2078: ##
2079: ## formname = the name given in the <form> tag.
2080: #-------------------------------------------
2081:
2082: =pod
2083:
2084: =head1 Authentication Routines
2085:
2086: =over 4
2087:
2088: =item * &authform_xxxxxx()
2089:
2090: The authform_xxxxxx subroutines provide javascript and html forms which
2091: handle some of the conveniences required for authentication forms.
2092: This is not an optimal method, but it works.
2093:
2094: =over 4
2095:
2096: =item * authform_header
2097:
2098: =item * authform_authorwarning
2099:
2100: =item * authform_nochange
2101:
2102: =item * authform_kerberos
2103:
2104: =item * authform_internal
2105:
2106: =item * authform_filesystem
2107:
2108: =back
2109:
2110: See loncreateuser.pm for invocation and use examples.
2111:
2112: =cut
2113:
2114: #-------------------------------------------
2115: sub authform_header{
2116: my %in = (
2117: formname => 'cu',
2118: kerb_def_dom => '',
2119: @_,
2120: );
2121: $in{'formname'} = 'document.' . $in{'formname'};
2122: my $result='';
2123:
2124: #---------------------------------------------- Code for upper case translation
2125: my $Javascript_toUpperCase;
2126: unless ($in{kerb_def_dom}) {
2127: $Javascript_toUpperCase =<<"END";
2128: switch (choice) {
2129: case 'krb': currentform.elements[choicearg].value =
2130: currentform.elements[choicearg].value.toUpperCase();
2131: break;
2132: default:
2133: }
2134: END
2135: } else {
2136: $Javascript_toUpperCase = "";
2137: }
2138:
2139: my $radioval = "'nochange'";
2140: if (defined($in{'curr_authtype'})) {
2141: if ($in{'curr_authtype'} ne '') {
2142: $radioval = "'".$in{'curr_authtype'}."arg'";
2143: }
2144: }
2145: my $argfield = 'null';
2146: if (defined($in{'mode'})) {
2147: if ($in{'mode'} eq 'modifycourse') {
2148: if (defined($in{'curr_autharg'})) {
2149: if ($in{'curr_autharg'} ne '') {
2150: $argfield = "'$in{'curr_autharg'}'";
2151: }
2152: }
2153: }
2154: }
2155:
2156: $result.=<<"END";
2157: var current = new Object();
2158: current.radiovalue = $radioval;
2159: current.argfield = $argfield;
2160:
2161: function changed_radio(choice,currentform) {
2162: var choicearg = choice + 'arg';
2163: // If a radio button in changed, we need to change the argfield
2164: if (current.radiovalue != choice) {
2165: current.radiovalue = choice;
2166: if (current.argfield != null) {
2167: currentform.elements[current.argfield].value = '';
2168: }
2169: if (choice == 'nochange') {
2170: current.argfield = null;
2171: } else {
2172: current.argfield = choicearg;
2173: switch(choice) {
2174: case 'krb':
2175: currentform.elements[current.argfield].value =
2176: "$in{'kerb_def_dom'}";
2177: break;
2178: default:
2179: break;
2180: }
2181: }
2182: }
2183: return;
2184: }
2185:
2186: function changed_text(choice,currentform) {
2187: var choicearg = choice + 'arg';
2188: if (currentform.elements[choicearg].value !='') {
2189: $Javascript_toUpperCase
2190: // clear old field
2191: if ((current.argfield != choicearg) && (current.argfield != null)) {
2192: currentform.elements[current.argfield].value = '';
2193: }
2194: current.argfield = choicearg;
2195: }
2196: set_auth_radio_buttons(choice,currentform);
2197: return;
2198: }
2199:
2200: function set_auth_radio_buttons(newvalue,currentform) {
2201: var i=0;
2202: while (i < currentform.login.length) {
2203: if (currentform.login[i].value == newvalue) { break; }
2204: i++;
2205: }
2206: if (i == currentform.login.length) {
2207: return;
2208: }
2209: current.radiovalue = newvalue;
2210: currentform.login[i].checked = true;
2211: return;
2212: }
2213: END
2214: return $result;
2215: }
2216:
2217: sub authform_authorwarning{
2218: my $result='';
2219: $result='<i>'.
2220: &mt('As a general rule, only authors or co-authors should be '.
2221: 'filesystem authenticated '.
2222: '(which allows access to the server filesystem).')."</i>\n";
2223: return $result;
2224: }
2225:
2226: sub authform_nochange{
2227: my %in = (
2228: formname => 'document.cu',
2229: kerb_def_dom => 'MSU.EDU',
2230: @_,
2231: );
2232: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2233: my $result;
2234: if (keys(%can_assign) == 0) {
2235: $result = &mt('Under you current role you are not permitted to change login settings for this user');
2236: } else {
2237: $result = '<label>'.&mt('[_1] Do not change login data',
2238: '<input type="radio" name="login" value="nochange" '.
2239: 'checked="checked" onclick="'.
2240: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
2241: '</label>';
2242: }
2243: return $result;
2244: }
2245:
2246: sub authform_kerberos {
2247: my %in = (
2248: formname => 'document.cu',
2249: kerb_def_dom => 'MSU.EDU',
2250: kerb_def_auth => 'krb4',
2251: @_,
2252: );
2253: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2254: $autharg,$jscall);
2255: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2256: if ($in{'kerb_def_auth'} eq 'krb5') {
2257: $check5 = ' checked="checked"';
2258: } else {
2259: $check4 = ' checked="checked"';
2260: }
2261: $krbarg = $in{'kerb_def_dom'};
2262: if (defined($in{'curr_authtype'})) {
2263: if ($in{'curr_authtype'} eq 'krb') {
2264: $krbcheck = ' checked="checked"';
2265: if (defined($in{'mode'})) {
2266: if ($in{'mode'} eq 'modifyuser') {
2267: $krbcheck = '';
2268: }
2269: }
2270: if (defined($in{'curr_kerb_ver'})) {
2271: if ($in{'curr_krb_ver'} eq '5') {
2272: $check5 = ' checked="checked"';
2273: $check4 = '';
2274: } else {
2275: $check4 = ' checked="checked"';
2276: $check5 = '';
2277: }
2278: }
2279: if (defined($in{'curr_autharg'})) {
2280: $krbarg = $in{'curr_autharg'};
2281: }
2282: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2283: if (defined($in{'curr_autharg'})) {
2284: $result =
2285: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2286: $in{'curr_autharg'},$krbver);
2287: } else {
2288: $result =
2289: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2290: }
2291: return $result;
2292: }
2293: }
2294: } else {
2295: if ($authnum == 1) {
2296: $authtype = '<input type="hidden" name="login" value="krb" />';
2297: }
2298: }
2299: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2300: return;
2301: } elsif ($authtype eq '') {
2302: if (defined($in{'mode'})) {
2303: if ($in{'mode'} eq 'modifycourse') {
2304: if ($authnum == 1) {
2305: $authtype = '<input type="hidden" name="login" value="krb" />';
2306: }
2307: }
2308: }
2309: }
2310: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2311: if ($authtype eq '') {
2312: $authtype = '<input type="radio" name="login" value="krb" '.
2313: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2314: $krbcheck.' />';
2315: }
2316: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2317: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2318: $in{'curr_authtype'} eq 'krb5') ||
2319: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2320: $in{'curr_authtype'} eq 'krb4')) {
2321: $result .= &mt
2322: ('[_1] Kerberos authenticated with domain [_2] '.
2323: '[_3] Version 4 [_4] Version 5 [_5]',
2324: '<label>'.$authtype,
2325: '</label><input type="text" size="10" name="krbarg" '.
2326: 'value="'.$krbarg.'" '.
2327: 'onchange="'.$jscall.'" />',
2328: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2329: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2330: '</label>');
2331: } elsif ($can_assign{'krb4'}) {
2332: $result .= &mt
2333: ('[_1] Kerberos authenticated with domain [_2] '.
2334: '[_3] Version 4 [_4]',
2335: '<label>'.$authtype,
2336: '</label><input type="text" size="10" name="krbarg" '.
2337: 'value="'.$krbarg.'" '.
2338: 'onchange="'.$jscall.'" />',
2339: '<label><input type="hidden" name="krbver" value="4" />',
2340: '</label>');
2341: } elsif ($can_assign{'krb5'}) {
2342: $result .= &mt
2343: ('[_1] Kerberos authenticated with domain [_2] '.
2344: '[_3] Version 5 [_4]',
2345: '<label>'.$authtype,
2346: '</label><input type="text" size="10" name="krbarg" '.
2347: 'value="'.$krbarg.'" '.
2348: 'onchange="'.$jscall.'" />',
2349: '<label><input type="hidden" name="krbver" value="5" />',
2350: '</label>');
2351: }
2352: return $result;
2353: }
2354:
2355: sub authform_internal{
2356: my %in = (
2357: formname => 'document.cu',
2358: kerb_def_dom => 'MSU.EDU',
2359: @_,
2360: );
2361: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2362: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2363: if (defined($in{'curr_authtype'})) {
2364: if ($in{'curr_authtype'} eq 'int') {
2365: if ($can_assign{'int'}) {
2366: $intcheck = 'checked="checked" ';
2367: if (defined($in{'mode'})) {
2368: if ($in{'mode'} eq 'modifyuser') {
2369: $intcheck = '';
2370: }
2371: }
2372: if (defined($in{'curr_autharg'})) {
2373: $intarg = $in{'curr_autharg'};
2374: }
2375: } else {
2376: $result = &mt('Currently internally authenticated.');
2377: return $result;
2378: }
2379: }
2380: } else {
2381: if ($authnum == 1) {
2382: $authtype = '<input type="hidden" name="login" value="int" />';
2383: }
2384: }
2385: if (!$can_assign{'int'}) {
2386: return;
2387: } elsif ($authtype eq '') {
2388: if (defined($in{'mode'})) {
2389: if ($in{'mode'} eq 'modifycourse') {
2390: if ($authnum == 1) {
2391: $authtype = '<input type="hidden" name="login" value="int" />';
2392: }
2393: }
2394: }
2395: }
2396: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2397: if ($authtype eq '') {
2398: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2399: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2400: }
2401: $autharg = '<input type="password" size="10" name="intarg" value="'.
2402: $intarg.'" onchange="'.$jscall.'" />';
2403: $result = &mt
2404: ('[_1] Internally authenticated (with initial password [_2])',
2405: '<label>'.$authtype,'</label>'.$autharg);
2406: $result.="<label><input type=\"checkbox\" name=\"visible\" onclick='if (this.checked) { this.form.intarg.type=\"text\" } else { this.form.intarg.type=\"password\" }' />".&mt('Visible input').'</label>';
2407: return $result;
2408: }
2409:
2410: sub authform_local{
2411: my %in = (
2412: formname => 'document.cu',
2413: kerb_def_dom => 'MSU.EDU',
2414: @_,
2415: );
2416: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2417: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2418: if (defined($in{'curr_authtype'})) {
2419: if ($in{'curr_authtype'} eq 'loc') {
2420: if ($can_assign{'loc'}) {
2421: $loccheck = 'checked="checked" ';
2422: if (defined($in{'mode'})) {
2423: if ($in{'mode'} eq 'modifyuser') {
2424: $loccheck = '';
2425: }
2426: }
2427: if (defined($in{'curr_autharg'})) {
2428: $locarg = $in{'curr_autharg'};
2429: }
2430: } else {
2431: $result = &mt('Currently using local (institutional) authentication.');
2432: return $result;
2433: }
2434: }
2435: } else {
2436: if ($authnum == 1) {
2437: $authtype = '<input type="hidden" name="login" value="loc" />';
2438: }
2439: }
2440: if (!$can_assign{'loc'}) {
2441: return;
2442: } elsif ($authtype eq '') {
2443: if (defined($in{'mode'})) {
2444: if ($in{'mode'} eq 'modifycourse') {
2445: if ($authnum == 1) {
2446: $authtype = '<input type="hidden" name="login" value="loc" />';
2447: }
2448: }
2449: }
2450: }
2451: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2452: if ($authtype eq '') {
2453: $authtype = '<input type="radio" name="login" value="loc" '.
2454: $loccheck.' onchange="'.$jscall.'" onclick="'.
2455: $jscall.'" />';
2456: }
2457: $autharg = '<input type="text" size="10" name="locarg" value="'.
2458: $locarg.'" onchange="'.$jscall.'" />';
2459: $result = &mt('[_1] Local Authentication with argument [_2]',
2460: '<label>'.$authtype,'</label>'.$autharg);
2461: return $result;
2462: }
2463:
2464: sub authform_filesystem{
2465: my %in = (
2466: formname => 'document.cu',
2467: kerb_def_dom => 'MSU.EDU',
2468: @_,
2469: );
2470: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2471: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2472: if (defined($in{'curr_authtype'})) {
2473: if ($in{'curr_authtype'} eq 'fsys') {
2474: if ($can_assign{'fsys'}) {
2475: $fsyscheck = 'checked="checked" ';
2476: if (defined($in{'mode'})) {
2477: if ($in{'mode'} eq 'modifyuser') {
2478: $fsyscheck = '';
2479: }
2480: }
2481: } else {
2482: $result = &mt('Currently Filesystem Authenticated.');
2483: return $result;
2484: }
2485: }
2486: } else {
2487: if ($authnum == 1) {
2488: $authtype = '<input type="hidden" name="login" value="fsys" />';
2489: }
2490: }
2491: if (!$can_assign{'fsys'}) {
2492: return;
2493: } elsif ($authtype eq '') {
2494: if (defined($in{'mode'})) {
2495: if ($in{'mode'} eq 'modifycourse') {
2496: if ($authnum == 1) {
2497: $authtype = '<input type="hidden" name="login" value="fsys" />';
2498: }
2499: }
2500: }
2501: }
2502: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2503: if ($authtype eq '') {
2504: $authtype = '<input type="radio" name="login" value="fsys" '.
2505: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2506: $jscall.'" />';
2507: }
2508: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2509: ' onchange="'.$jscall.'" />';
2510: $result = &mt
2511: ('[_1] Filesystem Authenticated (with initial password [_2])',
2512: '<label><input type="radio" name="login" value="fsys" '.
2513: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
2514: '</label><input type="password" size="10" name="fsysarg" value="" '.
2515: 'onchange="'.$jscall.'" />');
2516: return $result;
2517: }
2518:
2519: sub get_assignable_auth {
2520: my ($dom) = @_;
2521: if ($dom eq '') {
2522: $dom = $env{'request.role.domain'};
2523: }
2524: my %can_assign = (
2525: krb4 => 1,
2526: krb5 => 1,
2527: int => 1,
2528: loc => 1,
2529: );
2530: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2531: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2532: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2533: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2534: my $context;
2535: if ($env{'request.role'} =~ /^au/) {
2536: $context = 'author';
2537: } elsif ($env{'request.role'} =~ /^dc/) {
2538: $context = 'domain';
2539: } elsif ($env{'request.course.id'}) {
2540: $context = 'course';
2541: }
2542: if ($context) {
2543: if (ref($authhash->{$context}) eq 'HASH') {
2544: %can_assign = %{$authhash->{$context}};
2545: }
2546: }
2547: }
2548: }
2549: my $authnum = 0;
2550: foreach my $key (keys(%can_assign)) {
2551: if ($can_assign{$key}) {
2552: $authnum ++;
2553: }
2554: }
2555: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2556: $authnum --;
2557: }
2558: return ($authnum,%can_assign);
2559: }
2560:
2561: ###############################################################
2562: ## Get Kerberos Defaults for Domain ##
2563: ###############################################################
2564: ##
2565: ## Returns default kerberos version and an associated argument
2566: ## as listed in file domain.tab. If not listed, provides
2567: ## appropriate default domain and kerberos version.
2568: ##
2569: #-------------------------------------------
2570:
2571: =pod
2572:
2573: =item * &get_kerberos_defaults()
2574:
2575: get_kerberos_defaults($target_domain) returns the default kerberos
2576: version and domain. If not found, it defaults to version 4 and the
2577: domain of the server.
2578:
2579: =over 4
2580:
2581: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2582:
2583: =back
2584:
2585: =back
2586:
2587: =cut
2588:
2589: #-------------------------------------------
2590: sub get_kerberos_defaults {
2591: my $domain=shift;
2592: my ($krbdef,$krbdefdom);
2593: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2594: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2595: $krbdef = $domdefaults{'auth_def'};
2596: $krbdefdom = $domdefaults{'auth_arg_def'};
2597: } else {
2598: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2599: my $krbdefdom=$1;
2600: $krbdefdom=~tr/a-z/A-Z/;
2601: $krbdef = "krb4";
2602: }
2603: return ($krbdef,$krbdefdom);
2604: }
2605:
2606:
2607: ###############################################################
2608: ## Thesaurus Functions ##
2609: ###############################################################
2610:
2611: =pod
2612:
2613: =head1 Thesaurus Functions
2614:
2615: =over 4
2616:
2617: =item * &initialize_keywords()
2618:
2619: Initializes the package variable %Keywords if it is empty. Uses the
2620: package variable $thesaurus_db_file.
2621:
2622: =cut
2623:
2624: ###################################################
2625:
2626: sub initialize_keywords {
2627: return 1 if (scalar keys(%Keywords));
2628: # If we are here, %Keywords is empty, so fill it up
2629: # Make sure the file we need exists...
2630: if (! -e $thesaurus_db_file) {
2631: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2632: " failed because it does not exist");
2633: return 0;
2634: }
2635: # Set up the hash as a database
2636: my %thesaurus_db;
2637: if (! tie(%thesaurus_db,'GDBM_File',
2638: $thesaurus_db_file,&GDBM_READER(),0640)){
2639: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2640: $thesaurus_db_file);
2641: return 0;
2642: }
2643: # Get the average number of appearances of a word.
2644: my $avecount = $thesaurus_db{'average.count'};
2645: # Put keywords (those that appear > average) into %Keywords
2646: while (my ($word,$data)=each (%thesaurus_db)) {
2647: my ($count,undef) = split /:/,$data;
2648: $Keywords{$word}++ if ($count > $avecount);
2649: }
2650: untie %thesaurus_db;
2651: # Remove special values from %Keywords.
2652: foreach my $value ('total.count','average.count') {
2653: delete($Keywords{$value}) if (exists($Keywords{$value}));
2654: }
2655: return 1;
2656: }
2657:
2658: ###################################################
2659:
2660: =pod
2661:
2662: =item * &keyword($word)
2663:
2664: Returns true if $word is a keyword. A keyword is a word that appears more
2665: than the average number of times in the thesaurus database. Calls
2666: &initialize_keywords
2667:
2668: =cut
2669:
2670: ###################################################
2671:
2672: sub keyword {
2673: return if (!&initialize_keywords());
2674: my $word=lc(shift());
2675: $word=~s/\W//g;
2676: return exists($Keywords{$word});
2677: }
2678:
2679: ###############################################################
2680:
2681: =pod
2682:
2683: =item * &get_related_words()
2684:
2685: Look up a word in the thesaurus. Takes a scalar argument and returns
2686: an array of words. If the keyword is not in the thesaurus, an empty array
2687: will be returned. The order of the words returned is determined by the
2688: database which holds them.
2689:
2690: Uses global $thesaurus_db_file.
2691:
2692: =cut
2693:
2694: ###############################################################
2695: sub get_related_words {
2696: my $keyword = shift;
2697: my %thesaurus_db;
2698: if (! -e $thesaurus_db_file) {
2699: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2700: "failed because the file does not exist");
2701: return ();
2702: }
2703: if (! tie(%thesaurus_db,'GDBM_File',
2704: $thesaurus_db_file,&GDBM_READER(),0640)){
2705: return ();
2706: }
2707: my @Words=();
2708: my $count=0;
2709: if (exists($thesaurus_db{$keyword})) {
2710: # The first element is the number of times
2711: # the word appears. We do not need it now.
2712: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2713: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2714: my $threshold=$mostfrequentcount/10;
2715: foreach my $possibleword (@RelatedWords) {
2716: my ($word,$wordcount)=split(/\,/,$possibleword);
2717: if ($wordcount>$threshold) {
2718: push(@Words,$word);
2719: $count++;
2720: if ($count>10) { last; }
2721: }
2722: }
2723: }
2724: untie %thesaurus_db;
2725: return @Words;
2726: }
2727:
2728: =pod
2729:
2730: =back
2731:
2732: =cut
2733:
2734: # -------------------------------------------------------------- Plaintext name
2735: =pod
2736:
2737: =head1 User Name Functions
2738:
2739: =over 4
2740:
2741: =item * &plainname($uname,$udom,$first)
2742:
2743: Takes a users logon name and returns it as a string in
2744: "first middle last generation" form
2745: if $first is set to 'lastname' then it returns it as
2746: 'lastname generation, firstname middlename' if their is a lastname
2747:
2748: =cut
2749:
2750:
2751: ###############################################################
2752: sub plainname {
2753: my ($uname,$udom,$first)=@_;
2754: return if (!defined($uname) || !defined($udom));
2755: my %names=&getnames($uname,$udom);
2756: my $name=&Apache::lonnet::format_name($names{'firstname'},
2757: $names{'middlename'},
2758: $names{'lastname'},
2759: $names{'generation'},$first);
2760: $name=~s/^\s+//;
2761: $name=~s/\s+$//;
2762: $name=~s/\s+/ /g;
2763: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
2764: return $name;
2765: }
2766:
2767: # -------------------------------------------------------------------- Nickname
2768: =pod
2769:
2770: =item * &nickname($uname,$udom)
2771:
2772: Gets a users name and returns it as a string as
2773:
2774: ""nickname""
2775:
2776: if the user has a nickname or
2777:
2778: "first middle last generation"
2779:
2780: if the user does not
2781:
2782: =cut
2783:
2784: sub nickname {
2785: my ($uname,$udom)=@_;
2786: return if (!defined($uname) || !defined($udom));
2787: my %names=&getnames($uname,$udom);
2788: my $name=$names{'nickname'};
2789: if ($name) {
2790: $name='"'.$name.'"';
2791: } else {
2792: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2793: $names{'lastname'}.' '.$names{'generation'};
2794: $name=~s/\s+$//;
2795: $name=~s/\s+/ /g;
2796: }
2797: return $name;
2798: }
2799:
2800: sub getnames {
2801: my ($uname,$udom)=@_;
2802: return if (!defined($uname) || !defined($udom));
2803: if ($udom eq 'public' && $uname eq 'public') {
2804: return ('lastname' => &mt('Public'));
2805: }
2806: my $id=$uname.':'.$udom;
2807: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2808: if ($cached) {
2809: return %{$names};
2810: } else {
2811: my %loadnames=&Apache::lonnet::get('environment',
2812: ['firstname','middlename','lastname','generation','nickname'],
2813: $udom,$uname);
2814: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2815: return %loadnames;
2816: }
2817: }
2818:
2819: # -------------------------------------------------------------------- getemails
2820:
2821: =pod
2822:
2823: =item * &getemails($uname,$udom)
2824:
2825: Gets a user's email information and returns it as a hash with keys:
2826: notification, critnotification, permanentemail
2827:
2828: For notification and critnotification, values are comma-separated lists
2829: of e-mail addresses; for permanentemail, value is a single e-mail address.
2830:
2831:
2832: =cut
2833:
2834:
2835: sub getemails {
2836: my ($uname,$udom)=@_;
2837: if ($udom eq 'public' && $uname eq 'public') {
2838: return;
2839: }
2840: if (!$udom) { $udom=$env{'user.domain'}; }
2841: if (!$uname) { $uname=$env{'user.name'}; }
2842: my $id=$uname.':'.$udom;
2843: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2844: if ($cached) {
2845: return %{$names};
2846: } else {
2847: my %loadnames=&Apache::lonnet::get('environment',
2848: ['notification','critnotification',
2849: 'permanentemail'],
2850: $udom,$uname);
2851: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2852: return %loadnames;
2853: }
2854: }
2855:
2856: sub flush_email_cache {
2857: my ($uname,$udom)=@_;
2858: if (!$udom) { $udom =$env{'user.domain'}; }
2859: if (!$uname) { $uname=$env{'user.name'}; }
2860: return if ($udom eq 'public' && $uname eq 'public');
2861: my $id=$uname.':'.$udom;
2862: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2863: }
2864:
2865: # -------------------------------------------------------------------- getlangs
2866:
2867: =pod
2868:
2869: =item * &getlangs($uname,$udom)
2870:
2871: Gets a user's language preference and returns it as a hash with key:
2872: language.
2873:
2874: =cut
2875:
2876:
2877: sub getlangs {
2878: my ($uname,$udom) = @_;
2879: if (!$udom) { $udom =$env{'user.domain'}; }
2880: if (!$uname) { $uname=$env{'user.name'}; }
2881: my $id=$uname.':'.$udom;
2882: my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
2883: if ($cached) {
2884: return %{$langs};
2885: } else {
2886: my %loadlangs=&Apache::lonnet::get('environment',['languages'],
2887: $udom,$uname);
2888: &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
2889: return %loadlangs;
2890: }
2891: }
2892:
2893: sub flush_langs_cache {
2894: my ($uname,$udom)=@_;
2895: if (!$udom) { $udom =$env{'user.domain'}; }
2896: if (!$uname) { $uname=$env{'user.name'}; }
2897: return if ($udom eq 'public' && $uname eq 'public');
2898: my $id=$uname.':'.$udom;
2899: &Apache::lonnet::devalidate_cache_new('userlangs',$id);
2900: }
2901:
2902: # ------------------------------------------------------------------ Screenname
2903:
2904: =pod
2905:
2906: =item * &screenname($uname,$udom)
2907:
2908: Gets a users screenname and returns it as a string
2909:
2910: =cut
2911:
2912: sub screenname {
2913: my ($uname,$udom)=@_;
2914: if ($uname eq $env{'user.name'} &&
2915: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
2916: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
2917: return $names{'screenname'};
2918: }
2919:
2920:
2921: # ------------------------------------------------------------- Confirm Wrapper
2922: =pod
2923:
2924: =item confirmwrapper
2925:
2926: Wrap messages about completion of operation in box
2927:
2928: =cut
2929:
2930: sub confirmwrapper {
2931: my ($message)=@_;
2932: if ($message) {
2933: return "\n".'<div class="LC_confirm_box">'."\n"
2934: .$message."\n"
2935: .'</div>'."\n";
2936: } else {
2937: return $message;
2938: }
2939: }
2940:
2941: # ------------------------------------------------------------- Message Wrapper
2942:
2943: sub messagewrapper {
2944: my ($link,$username,$domain,$subject,$text)=@_;
2945: return
2946: '<a href="/adm/email?compose=individual&'.
2947: 'recname='.$username.'&recdom='.$domain.
2948: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
2949: 'title="'.&mt('Send message').'">'.$link.'</a>';
2950: }
2951:
2952: # --------------------------------------------------------------- Notes Wrapper
2953:
2954: sub noteswrapper {
2955: my ($link,$un,$do)=@_;
2956: return
2957: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
2958: }
2959:
2960: # ------------------------------------------------------------- Aboutme Wrapper
2961:
2962: sub aboutmewrapper {
2963: my ($link,$username,$domain,$target)=@_;
2964: if (!defined($username) && !defined($domain)) {
2965: return;
2966: }
2967: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme"'.
2968: ($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
2969: }
2970:
2971: # ------------------------------------------------------------ Syllabus Wrapper
2972:
2973: sub syllabuswrapper {
2974: my ($linktext,$coursedir,$domain)=@_;
2975: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
2976: }
2977:
2978: # -----------------------------------------------------------------------------
2979:
2980: sub track_student_link {
2981: my ($linktext,$sname,$sdom,$target,$start,$only_body) = @_;
2982: my $link ="/adm/trackstudent?";
2983: my $title = 'View recent activity';
2984: if (defined($sname) && $sname !~ /^\s*$/ &&
2985: defined($sdom) && $sdom !~ /^\s*$/) {
2986: $link .= "selected_student=$sname:$sdom";
2987: $title .= ' of this student';
2988: }
2989: if (defined($target) && $target !~ /^\s*$/) {
2990: $target = qq{target="$target"};
2991: } else {
2992: $target = '';
2993: }
2994: if ($start) { $link.='&start='.$start; }
2995: if ($only_body) { $link .= '&only_body=1'; }
2996: $title = &mt($title);
2997: $linktext = &mt($linktext);
2998: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
2999: &help_open_topic('View_recent_activity');
3000: }
3001:
3002: sub slot_reservations_link {
3003: my ($linktext,$sname,$sdom,$target) = @_;
3004: my $link ="/adm/slotrequest?command=showresv&origin=aboutme";
3005: my $title = 'View slot reservation history';
3006: if (defined($sname) && $sname !~ /^\s*$/ &&
3007: defined($sdom) && $sdom !~ /^\s*$/) {
3008: $link .= "&uname=$sname&udom=$sdom";
3009: $title .= ' of this student';
3010: }
3011: if (defined($target) && $target !~ /^\s*$/) {
3012: $target = qq{target="$target"};
3013: } else {
3014: $target = '';
3015: }
3016: $title = &mt($title);
3017: $linktext = &mt($linktext);
3018: return qq{<a href="$link" title="$title" $target>$linktext</a>};
3019: # FIXME uncomment when help item created: &help_open_topic('Slot_Reservation_History');
3020:
3021: }
3022:
3023: # ===================================================== Display a student photo
3024:
3025:
3026: sub student_image_tag {
3027: my ($domain,$user)=@_;
3028: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
3029: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
3030: return '<img src="'.$imgsrc.'" align="right" />';
3031: } else {
3032: return '';
3033: }
3034: }
3035:
3036: =pod
3037:
3038: =back
3039:
3040: =head1 Access .tab File Data
3041:
3042: =over 4
3043:
3044: =item * &languageids()
3045:
3046: returns list of all language ids
3047:
3048: =cut
3049:
3050: sub languageids {
3051: return sort(keys(%language));
3052: }
3053:
3054: =pod
3055:
3056: =item * &languagedescription()
3057:
3058: returns description of a specified language id
3059:
3060: =cut
3061:
3062: sub languagedescription {
3063: my $code=shift;
3064: return ($supported_language{$code}?'* ':'').
3065: $language{$code}.
3066: ($supported_language{$code}?' ('.&mt('interface available').')':'');
3067: }
3068:
3069: sub plainlanguagedescription {
3070: my $code=shift;
3071: return $language{$code};
3072: }
3073:
3074: sub supportedlanguagecode {
3075: my $code=shift;
3076: return $supported_language{$code};
3077: }
3078:
3079: =pod
3080:
3081: =item * ©rightids()
3082:
3083: returns list of all copyrights
3084:
3085: =cut
3086:
3087: sub copyrightids {
3088: return sort(keys(%cprtag));
3089: }
3090:
3091: =pod
3092:
3093: =item * ©rightdescription()
3094:
3095: returns description of a specified copyright id
3096:
3097: =cut
3098:
3099: sub copyrightdescription {
3100: return &mt($cprtag{shift(@_)});
3101: }
3102:
3103: =pod
3104:
3105: =item * &source_copyrightids()
3106:
3107: returns list of all source copyrights
3108:
3109: =cut
3110:
3111: sub source_copyrightids {
3112: return sort(keys(%scprtag));
3113: }
3114:
3115: =pod
3116:
3117: =item * &source_copyrightdescription()
3118:
3119: returns description of a specified source copyright id
3120:
3121: =cut
3122:
3123: sub source_copyrightdescription {
3124: return &mt($scprtag{shift(@_)});
3125: }
3126:
3127: =pod
3128:
3129: =item * &filecategories()
3130:
3131: returns list of all file categories
3132:
3133: =cut
3134:
3135: sub filecategories {
3136: return sort(keys(%category_extensions));
3137: }
3138:
3139: =pod
3140:
3141: =item * &filecategorytypes()
3142:
3143: returns list of file types belonging to a given file
3144: category
3145:
3146: =cut
3147:
3148: sub filecategorytypes {
3149: my ($cat) = @_;
3150: return @{$category_extensions{lc($cat)}};
3151: }
3152:
3153: =pod
3154:
3155: =item * &fileembstyle()
3156:
3157: returns embedding style for a specified file type
3158:
3159: =cut
3160:
3161: sub fileembstyle {
3162: return $fe{lc(shift(@_))};
3163: }
3164:
3165: sub filemimetype {
3166: return $fm{lc(shift(@_))};
3167: }
3168:
3169:
3170: sub filecategoryselect {
3171: my ($name,$value)=@_;
3172: return &select_form($value,$name,
3173: '' => &mt('Any category'),
3174: map { $_,$_ } sort(keys(%category_extensions)));
3175: }
3176:
3177: =pod
3178:
3179: =item * &filedescription()
3180:
3181: returns description for a specified file type
3182:
3183: =cut
3184:
3185: sub filedescription {
3186: my $file_description = $fd{lc(shift())};
3187: $file_description =~ s:([\[\]]):~$1:g;
3188: return &mt($file_description);
3189: }
3190:
3191: =pod
3192:
3193: =item * &filedescriptionex()
3194:
3195: returns description for a specified file type with
3196: extra formatting
3197:
3198: =cut
3199:
3200: sub filedescriptionex {
3201: my $ex=shift;
3202: my $file_description = $fd{lc($ex)};
3203: $file_description =~ s:([\[\]]):~$1:g;
3204: return '.'.$ex.' '.&mt($file_description);
3205: }
3206:
3207: # End of .tab access
3208: =pod
3209:
3210: =back
3211:
3212: =cut
3213:
3214: # ------------------------------------------------------------------ File Types
3215: sub fileextensions {
3216: return sort(keys(%fe));
3217: }
3218:
3219: # ----------------------------------------------------------- Display Languages
3220: # returns a hash with all desired display languages
3221: #
3222:
3223: sub display_languages {
3224: my %languages=();
3225: foreach my $lang (&Apache::lonlocal::preferred_languages()) {
3226: $languages{$lang}=1;
3227: }
3228: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
3229: if ($env{'form.displaylanguage'}) {
3230: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
3231: $languages{$lang}=1;
3232: }
3233: }
3234: return %languages;
3235: }
3236:
3237: sub languages {
3238: my ($possible_langs) = @_;
3239: my @preferred_langs = &Apache::lonlocal::preferred_languages();
3240: if (!ref($possible_langs)) {
3241: if( wantarray ) {
3242: return @preferred_langs;
3243: } else {
3244: return $preferred_langs[0];
3245: }
3246: }
3247: my %possibilities = map { $_ => 1 } (@$possible_langs);
3248: my @preferred_possibilities;
3249: foreach my $preferred_lang (@preferred_langs) {
3250: if (exists($possibilities{$preferred_lang})) {
3251: push(@preferred_possibilities, $preferred_lang);
3252: }
3253: }
3254: if( wantarray ) {
3255: return @preferred_possibilities;
3256: }
3257: return $preferred_possibilities[0];
3258: }
3259:
3260: sub user_lang {
3261: my ($touname,$toudom,$fromcid) = @_;
3262: my @userlangs;
3263: if (($fromcid ne '') && ($env{'course.'.$fromcid.'.languages'} ne '')) {
3264: @userlangs=(@userlangs,split(/\s*(\,|\;|\:)\s*/,
3265: $env{'course.'.$fromcid.'.languages'}));
3266: } else {
3267: my %langhash = &getlangs($touname,$toudom);
3268: if ($langhash{'languages'} ne '') {
3269: @userlangs = split(/\s*(\,|\;|\:)\s*/,$langhash{'languages'});
3270: } else {
3271: my %domdefs = &Apache::lonnet::get_domain_defaults($toudom);
3272: if ($domdefs{'lang_def'} ne '') {
3273: @userlangs = ($domdefs{'lang_def'});
3274: }
3275: }
3276: }
3277: my @languages=&Apache::lonlocal::get_genlanguages(@userlangs);
3278: my $user_lh = Apache::localize->get_handle(@languages);
3279: return $user_lh;
3280: }
3281:
3282:
3283: ###############################################################
3284: ## Student Answer Attempts ##
3285: ###############################################################
3286:
3287: =pod
3288:
3289: =head1 Alternate Problem Views
3290:
3291: =over 4
3292:
3293: =item * &get_previous_attempt($symb, $username, $domain, $course,
3294: $getattempt, $regexp, $gradesub)
3295:
3296: Return string with previous attempt on problem. Arguments:
3297:
3298: =over 4
3299:
3300: =item * $symb: Problem, including path
3301:
3302: =item * $username: username of the desired student
3303:
3304: =item * $domain: domain of the desired student
3305:
3306: =item * $course: Course ID
3307:
3308: =item * $getattempt: Leave blank for all attempts, otherwise put
3309: something
3310:
3311: =item * $regexp: if string matches this regexp, the string will be
3312: sent to $gradesub
3313:
3314: =item * $gradesub: routine that processes the string if it matches $regexp
3315:
3316: =back
3317:
3318: The output string is a table containing all desired attempts, if any.
3319:
3320: =cut
3321:
3322: sub get_previous_attempt {
3323: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
3324: my $prevattempts='';
3325: no strict 'refs';
3326: if ($symb) {
3327: my (%returnhash)=
3328: &Apache::lonnet::restore($symb,$course,$domain,$username);
3329: if ($returnhash{'version'}) {
3330: my %lasthash=();
3331: my $version;
3332: for ($version=1;$version<=$returnhash{'version'};$version++) {
3333: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3334: $lasthash{$key}=$returnhash{$version.':'.$key};
3335: }
3336: }
3337: $prevattempts=&start_data_table().&start_data_table_header_row();
3338: $prevattempts.='<th>'.&mt('History').'</th>';
3339: foreach my $key (sort(keys(%lasthash))) {
3340: my ($ign,@parts) = split(/\./,$key);
3341: if ($#parts > 0) {
3342: my $data=$parts[-1];
3343: pop(@parts);
3344: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
3345: } else {
3346: if ($#parts == 0) {
3347: $prevattempts.='<th>'.$parts[0].'</th>';
3348: } else {
3349: $prevattempts.='<th>'.$ign.'</th>';
3350: }
3351: }
3352: }
3353: $prevattempts.=&end_data_table_header_row();
3354: if ($getattempt eq '') {
3355: for ($version=1;$version<=$returnhash{'version'};$version++) {
3356: $prevattempts.=&start_data_table_row().
3357: '<td>'.&mt('Transaction [_1]',$version).'</td>';
3358: foreach my $key (sort(keys(%lasthash))) {
3359: my $value = &format_previous_attempt_value($key,
3360: $returnhash{$version.':'.$key});
3361: $prevattempts.='<td>'.$value.' </td>';
3362: }
3363: $prevattempts.=&end_data_table_row();
3364: }
3365: }
3366: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
3367: foreach my $key (sort(keys(%lasthash))) {
3368: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3369: if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
3370: $prevattempts.='<td>'.$value.' </td>';
3371: }
3372: $prevattempts.= &end_data_table_row().&end_data_table();
3373: } else {
3374: $prevattempts=
3375: &start_data_table().&start_data_table_row().
3376: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3377: &end_data_table_row().&end_data_table();
3378: }
3379: } else {
3380: $prevattempts=
3381: &start_data_table().&start_data_table_row().
3382: '<td>'.&mt('No data.').'</td>'.
3383: &end_data_table_row().&end_data_table();
3384: }
3385: }
3386:
3387: sub format_previous_attempt_value {
3388: my ($key,$value) = @_;
3389: if ($key =~ /timestamp/) {
3390: $value = &Apache::lonlocal::locallocaltime($value);
3391: } elsif (ref($value) eq 'ARRAY') {
3392: $value = '('.join(', ', @{ $value }).')';
3393: } else {
3394: $value = &unescape($value);
3395: }
3396: return $value;
3397: }
3398:
3399:
3400: sub relative_to_absolute {
3401: my ($url,$output)=@_;
3402: my $parser=HTML::TokeParser->new(\$output);
3403: my $token;
3404: my $thisdir=$url;
3405: my @rlinks=();
3406: while ($token=$parser->get_token) {
3407: if ($token->[0] eq 'S') {
3408: if ($token->[1] eq 'a') {
3409: if ($token->[2]->{'href'}) {
3410: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3411: }
3412: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3413: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3414: } elsif ($token->[1] eq 'base') {
3415: $thisdir=$token->[2]->{'href'};
3416: }
3417: }
3418: }
3419: $thisdir=~s-/[^/]*$--;
3420: foreach my $link (@rlinks) {
3421: unless (($link=~/^https?\:\/\//i) ||
3422: ($link=~/^\//) ||
3423: ($link=~/^javascript:/i) ||
3424: ($link=~/^mailto:/i) ||
3425: ($link=~/^\#/)) {
3426: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3427: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
3428: }
3429: }
3430: # -------------------------------------------------- Deal with Applet codebases
3431: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3432: return $output;
3433: }
3434:
3435: =pod
3436:
3437: =item * &get_student_view()
3438:
3439: show a snapshot of what student was looking at
3440:
3441: =cut
3442:
3443: sub get_student_view {
3444: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
3445: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3446: my (%form);
3447: my @elements=('symb','courseid','domain','username');
3448: foreach my $element (@elements) {
3449: $form{'grade_'.$element}=eval '$'.$element #'
3450: }
3451: if (defined($moreenv)) {
3452: %form=(%form,%{$moreenv});
3453: }
3454: if (defined($target)) { $form{'grade_target'} = $target; }
3455: $feedurl=&Apache::lonnet::clutter($feedurl);
3456: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
3457: $userview=~s/\<body[^\>]*\>//gi;
3458: $userview=~s/\<\/body\>//gi;
3459: $userview=~s/\<html\>//gi;
3460: $userview=~s/\<\/html\>//gi;
3461: $userview=~s/\<head\>//gi;
3462: $userview=~s/\<\/head\>//gi;
3463: $userview=~s/action\s*\=/would_be_action\=/gi;
3464: $userview=&relative_to_absolute($feedurl,$userview);
3465: if (wantarray) {
3466: return ($userview,$response);
3467: } else {
3468: return $userview;
3469: }
3470: }
3471:
3472: sub get_student_view_with_retries {
3473: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3474:
3475: my $ok = 0; # True if we got a good response.
3476: my $content;
3477: my $response;
3478:
3479: # Try to get the student_view done. within the retries count:
3480:
3481: do {
3482: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3483: $ok = $response->is_success;
3484: if (!$ok) {
3485: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3486: }
3487: $retries--;
3488: } while (!$ok && ($retries > 0));
3489:
3490: if (!$ok) {
3491: $content = ''; # On error return an empty content.
3492: }
3493: if (wantarray) {
3494: return ($content, $response);
3495: } else {
3496: return $content;
3497: }
3498: }
3499:
3500: =pod
3501:
3502: =item * &get_student_answers()
3503:
3504: show a snapshot of how student was answering problem
3505:
3506: =cut
3507:
3508: sub get_student_answers {
3509: my ($symb,$username,$domain,$courseid,%form) = @_;
3510: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3511: my (%moreenv);
3512: my @elements=('symb','courseid','domain','username');
3513: foreach my $element (@elements) {
3514: $moreenv{'grade_'.$element}=eval '$'.$element #'
3515: }
3516: $moreenv{'grade_target'}='answer';
3517: %moreenv=(%form,%moreenv);
3518: $feedurl = &Apache::lonnet::clutter($feedurl);
3519: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
3520: return $userview;
3521: }
3522:
3523: =pod
3524:
3525: =item * &submlink()
3526:
3527: Inputs: $text $uname $udom $symb $target
3528:
3529: Returns: A link to grades.pm such as to see the SUBM view of a student
3530:
3531: =cut
3532:
3533: ###############################################
3534: sub submlink {
3535: my ($text,$uname,$udom,$symb,$target)=@_;
3536: if (!($uname && $udom)) {
3537: (my $cursymb, my $courseid,$udom,$uname)=
3538: &Apache::lonnet::whichuser($symb);
3539: if (!$symb) { $symb=$cursymb; }
3540: }
3541: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
3542: $symb=&escape($symb);
3543: if ($target) { $target="target=\"$target\""; }
3544: return '<a href="/adm/grades?&command=submission&'.
3545: 'symb='.$symb.'&student='.$uname.
3546: '&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
3547: }
3548: ##############################################
3549:
3550: =pod
3551:
3552: =item * &pgrdlink()
3553:
3554: Inputs: $text $uname $udom $symb $target
3555:
3556: Returns: A link to grades.pm such as to see the PGRD view of a student
3557:
3558: =cut
3559:
3560: ###############################################
3561: sub pgrdlink {
3562: my $link=&submlink(@_);
3563: $link=~s/(&command=submission)/$1&showgrading=yes/;
3564: return $link;
3565: }
3566: ##############################################
3567:
3568: =pod
3569:
3570: =item * &pprmlink()
3571:
3572: Inputs: $text $uname $udom $symb $target
3573:
3574: Returns: A link to parmset.pm such as to see the PPRM view of a
3575: student and a specific resource
3576:
3577: =cut
3578:
3579: ###############################################
3580: sub pprmlink {
3581: my ($text,$uname,$udom,$symb,$target)=@_;
3582: if (!($uname && $udom)) {
3583: (my $cursymb, my $courseid,$udom,$uname)=
3584: &Apache::lonnet::whichuser($symb);
3585: if (!$symb) { $symb=$cursymb; }
3586: }
3587: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
3588: $symb=&escape($symb);
3589: if ($target) { $target="target=\"$target\""; }
3590: return '<a href="/adm/parmset?command=set&'.
3591: 'symb='.$symb.'&uname='.$uname.
3592: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
3593: }
3594: ##############################################
3595:
3596: =pod
3597:
3598: =back
3599:
3600: =cut
3601:
3602: ###############################################
3603:
3604:
3605: sub timehash {
3606: my ($thistime) = @_;
3607: my $timezone = &Apache::lonlocal::gettimezone();
3608: my $dt = DateTime->from_epoch(epoch => $thistime)
3609: ->set_time_zone($timezone);
3610: my $wday = $dt->day_of_week();
3611: if ($wday == 7) { $wday = 0; }
3612: return ( 'second' => $dt->second(),
3613: 'minute' => $dt->minute(),
3614: 'hour' => $dt->hour(),
3615: 'day' => $dt->day_of_month(),
3616: 'month' => $dt->month(),
3617: 'year' => $dt->year(),
3618: 'weekday' => $wday,
3619: 'dayyear' => $dt->day_of_year(),
3620: 'dlsav' => $dt->is_dst() );
3621: }
3622:
3623: sub utc_string {
3624: my ($date)=@_;
3625: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
3626: }
3627:
3628: sub maketime {
3629: my %th=@_;
3630: my ($epoch_time,$timezone,$dt);
3631: $timezone = &Apache::lonlocal::gettimezone();
3632: eval {
3633: $dt = DateTime->new( year => $th{'year'},
3634: month => $th{'month'},
3635: day => $th{'day'},
3636: hour => $th{'hour'},
3637: minute => $th{'minute'},
3638: second => $th{'second'},
3639: time_zone => $timezone,
3640: );
3641: };
3642: if (!$@) {
3643: $epoch_time = $dt->epoch;
3644: if ($epoch_time) {
3645: return $epoch_time;
3646: }
3647: }
3648: return POSIX::mktime(
3649: ($th{'seconds'},$th{'minutes'},$th{'hours'},
3650: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
3651: }
3652:
3653: #########################################
3654:
3655: sub findallcourses {
3656: my ($roles,$uname,$udom) = @_;
3657: my %roles;
3658: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
3659: my %courses;
3660: my $now=time;
3661: if (!defined($uname)) {
3662: $uname = $env{'user.name'};
3663: }
3664: if (!defined($udom)) {
3665: $udom = $env{'user.domain'};
3666: }
3667: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3668: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname);
3669: if (!%roles) {
3670: %roles = (
3671: cc => 1,
3672: in => 1,
3673: ep => 1,
3674: ta => 1,
3675: cr => 1,
3676: st => 1,
3677: );
3678: }
3679: foreach my $entry (keys(%roleshash)) {
3680: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3681: if ($trole =~ /^cr/) {
3682: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3683: } else {
3684: next if (!exists($roles{$trole}));
3685: }
3686: if ($tend) {
3687: next if ($tend < $now);
3688: }
3689: if ($tstart) {
3690: next if ($tstart > $now);
3691: }
3692: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3693: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3694: if ($secpart eq '') {
3695: ($cnum,$role) = split(/_/,$cnumpart);
3696: $sec = 'none';
3697: $realsec = '';
3698: } else {
3699: $cnum = $cnumpart;
3700: ($sec,$role) = split(/_/,$secpart);
3701: $realsec = $sec;
3702: }
3703: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3704: }
3705: } else {
3706: foreach my $key (keys(%env)) {
3707: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3708: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
3709: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3710: next if ($role eq 'ca' || $role eq 'aa');
3711: next if (%roles && !exists($roles{$role}));
3712: my ($starttime,$endtime)=split(/\./,$env{$key});
3713: my $active=1;
3714: if ($starttime) {
3715: if ($now<$starttime) { $active=0; }
3716: }
3717: if ($endtime) {
3718: if ($now>$endtime) { $active=0; }
3719: }
3720: if ($active) {
3721: if ($sec eq '') {
3722: $sec = 'none';
3723: }
3724: $courses{$cdom.'_'.$cnum}{$sec} =
3725: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
3726: }
3727: }
3728: }
3729: }
3730: return %courses;
3731: }
3732:
3733: ###############################################
3734:
3735: sub blockcheck {
3736: my ($setters,$activity,$uname,$udom) = @_;
3737:
3738: if (!defined($udom)) {
3739: $udom = $env{'user.domain'};
3740: }
3741: if (!defined($uname)) {
3742: $uname = $env{'user.name'};
3743: }
3744:
3745: # If uname and udom are for a course, check for blocks in the course.
3746:
3747: if (&Apache::lonnet::is_course($udom,$uname)) {
3748: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
3749: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
3750: return ($startblock,$endblock);
3751: }
3752:
3753: my $startblock = 0;
3754: my $endblock = 0;
3755: my %live_courses = &findallcourses(undef,$uname,$udom);
3756:
3757: # If uname is for a user, and activity is course-specific, i.e.,
3758: # boards, chat or groups, check for blocking in current course only.
3759:
3760: if (($activity eq 'boards' || $activity eq 'chat' ||
3761: $activity eq 'groups') && ($env{'request.course.id'})) {
3762: foreach my $key (keys(%live_courses)) {
3763: if ($key ne $env{'request.course.id'}) {
3764: delete($live_courses{$key});
3765: }
3766: }
3767: }
3768:
3769: my $otheruser = 0;
3770: my %own_courses;
3771: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3772: # Resource belongs to user other than current user.
3773: $otheruser = 1;
3774: # Gather courses for current user
3775: %own_courses =
3776: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3777: }
3778:
3779: # Gather active course roles - course coordinator, instructor,
3780: # exam proctor, ta, student, or custom role.
3781:
3782: foreach my $course (keys(%live_courses)) {
3783: my ($cdom,$cnum);
3784: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3785: $cdom = $env{'course.'.$course.'.domain'};
3786: $cnum = $env{'course.'.$course.'.num'};
3787: } else {
3788: ($cdom,$cnum) = split(/_/,$course);
3789: }
3790: my $no_ownblock = 0;
3791: my $no_userblock = 0;
3792: if ($otheruser && $activity ne 'com') {
3793: # Check if current user has 'evb' priv for this
3794: if (defined($own_courses{$course})) {
3795: foreach my $sec (keys(%{$own_courses{$course}})) {
3796: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3797: if ($sec ne 'none') {
3798: $checkrole .= '/'.$sec;
3799: }
3800: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3801: $no_ownblock = 1;
3802: last;
3803: }
3804: }
3805: }
3806: # if they have 'evb' priv and are currently not playing student
3807: next if (($no_ownblock) &&
3808: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
3809: }
3810: foreach my $sec (keys(%{$live_courses{$course}})) {
3811: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3812: if ($sec ne 'none') {
3813: $checkrole .= '/'.$sec;
3814: }
3815: if ($otheruser) {
3816: # Resource belongs to user other than current user.
3817: # Assemble privs for that user, and check for 'evb' priv.
3818: my ($trole,$tdom,$tnum,$tsec);
3819: my $entry = $live_courses{$course}{$sec};
3820: if ($entry =~ /^cr/) {
3821: ($trole,$tdom,$tnum,$tsec) =
3822: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
3823: } else {
3824: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
3825: }
3826: my ($spec,$area,$trest,%allroles,%userroles);
3827: $area = '/'.$tdom.'/'.$tnum;
3828: $trest = $tnum;
3829: if ($tsec ne '') {
3830: $area .= '/'.$tsec;
3831: $trest .= '/'.$tsec;
3832: }
3833: $spec = $trole.'.'.$area;
3834: if ($trole =~ /^cr/) {
3835: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
3836: $tdom,$spec,$trest,$area);
3837: } else {
3838: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
3839: $tdom,$spec,$trest,$area);
3840: }
3841: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
3842: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
3843: if ($1) {
3844: $no_userblock = 1;
3845: last;
3846: }
3847: }
3848: } else {
3849: # Resource belongs to current user
3850: # Check for 'evb' priv via lonnet::allowed().
3851: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3852: $no_ownblock = 1;
3853: last;
3854: }
3855: }
3856: }
3857: # if they have the evb priv and are currently not playing student
3858: next if (($no_ownblock) &&
3859: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
3860: next if ($no_userblock);
3861:
3862: # Retrieve blocking times and identity of locker for course
3863: # of specified user, unless user has 'evb' privilege.
3864:
3865: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
3866: if (($start != 0) &&
3867: (($startblock == 0) || ($startblock > $start))) {
3868: $startblock = $start;
3869: }
3870: if (($end != 0) &&
3871: (($endblock == 0) || ($endblock < $end))) {
3872: $endblock = $end;
3873: }
3874: }
3875: return ($startblock,$endblock);
3876: }
3877:
3878: sub get_blocks {
3879: my ($setters,$activity,$cdom,$cnum) = @_;
3880: my $startblock = 0;
3881: my $endblock = 0;
3882: my $course = $cdom.'_'.$cnum;
3883: $setters->{$course} = {};
3884: $setters->{$course}{'staff'} = [];
3885: $setters->{$course}{'times'} = [];
3886: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
3887: foreach my $record (keys(%records)) {
3888: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
3889: if ($start <= time && $end >= time) {
3890: my ($staff_name,$staff_dom,$title,$blocks) =
3891: &parse_block_record($records{$record});
3892: if ($blocks->{$activity} eq 'on') {
3893: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
3894: push(@{$$setters{$course}{'times'}}, [$start,$end]);
3895: if ( ($startblock == 0) || ($startblock > $start) ) {
3896: $startblock = $start;
3897: }
3898: if ( ($endblock == 0) || ($endblock < $end) ) {
3899: $endblock = $end;
3900: }
3901: }
3902: }
3903: }
3904: return ($startblock,$endblock);
3905: }
3906:
3907: sub parse_block_record {
3908: my ($record) = @_;
3909: my ($setuname,$setudom,$title,$blocks);
3910: if (ref($record) eq 'HASH') {
3911: ($setuname,$setudom) = split(/:/,$record->{'setter'});
3912: $title = &unescape($record->{'event'});
3913: $blocks = $record->{'blocks'};
3914: } else {
3915: my @data = split(/:/,$record,3);
3916: if (scalar(@data) eq 2) {
3917: $title = $data[1];
3918: ($setuname,$setudom) = split(/@/,$data[0]);
3919: } else {
3920: ($setuname,$setudom,$title) = @data;
3921: }
3922: $blocks = { 'com' => 'on' };
3923: }
3924: return ($setuname,$setudom,$title,$blocks);
3925: }
3926:
3927: sub blocking_status {
3928: my $blocked;
3929: my ($activity,$uname,$udom) = @_;
3930: my %setters;
3931: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
3932: if ($startblock && $endblock) {
3933: $blocked = 1;
3934: }
3935: if(!wantarray) {
3936: return $blocked;
3937: }
3938: my $output;
3939: my $querystring;
3940: $querystring = "?activity=$activity";
3941:
3942: $output .= <<"END_MYBLOCK";
3943: <script type="text/javascript">
3944: // <![CDATA[
3945: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
3946: var options = "width=" + w + ",height=" + h + ",";
3947: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
3948: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
3949: var newWin = window.open(url, wdwName, options);
3950: newWin.focus();
3951: }
3952:
3953: // ]]>
3954: </script>
3955: END_MYBLOCK
3956: my $popupUrl = "/adm/blockingstatus/$querystring";
3957: $output .= <<"END_BLOCK";
3958: <div class='LC_comblock'>
3959: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
3960: title='Communication Blocked'>
3961: <img class='LC_noBorder LC_middle' title='Communication Blocked' src='/res/adm/pages/comblock.png' alt='Communication Blocked'/></a>
3962: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
3963: title='Communication Blocked'>Communication Blocked</a>
3964: </div>
3965:
3966: END_BLOCK
3967:
3968: return ($blocked, $output);
3969: }
3970:
3971: ###############################################
3972:
3973: sub check_ip_acc {
3974: my ($acc)=@_;
3975: &Apache::lonxml::debug("acc is $acc");
3976: if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
3977: return 1;
3978: }
3979: my $allowed=0;
3980: my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
3981:
3982: my $name;
3983: foreach my $pattern (split(',',$acc)) {
3984: $pattern =~ s/^\s*//;
3985: $pattern =~ s/\s*$//;
3986: if ($pattern =~ /\*$/) {
3987: #35.8.*
3988: $pattern=~s/\*//;
3989: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
3990: } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
3991: #35.8.3.[34-56]
3992: my $low=$2;
3993: my $high=$3;
3994: $pattern=$1;
3995: if ($ip =~ /^\Q$pattern\E/) {
3996: my $last=(split(/\./,$ip))[3];
3997: if ($last <=$high && $last >=$low) { $allowed=1; }
3998: }
3999: } elsif ($pattern =~ /^\*/) {
4000: #*.msu.edu
4001: $pattern=~s/\*//;
4002: if (!defined($name)) {
4003: use Socket;
4004: my $netaddr=inet_aton($ip);
4005: ($name)=gethostbyaddr($netaddr,AF_INET);
4006: }
4007: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4008: } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
4009: #127.0.0.1
4010: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
4011: } else {
4012: #some.name.com
4013: if (!defined($name)) {
4014: use Socket;
4015: my $netaddr=inet_aton($ip);
4016: ($name)=gethostbyaddr($netaddr,AF_INET);
4017: }
4018: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4019: }
4020: if ($allowed) { last; }
4021: }
4022: return $allowed;
4023: }
4024:
4025: ###############################################
4026:
4027: =pod
4028:
4029: =head1 Domain Template Functions
4030:
4031: =over 4
4032:
4033: =item * &determinedomain()
4034:
4035: Inputs: $domain (usually will be undef)
4036:
4037: Returns: Determines which domain should be used for designs
4038:
4039: =cut
4040:
4041: ###############################################
4042: sub determinedomain {
4043: my $domain=shift;
4044: if (! $domain) {
4045: # Determine domain if we have not been given one
4046: $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
4047: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
4048: if ($env{'request.role.domain'}) {
4049: $domain=$env{'request.role.domain'};
4050: }
4051: }
4052: return $domain;
4053: }
4054: ###############################################
4055:
4056: sub devalidate_domconfig_cache {
4057: my ($udom)=@_;
4058: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
4059: }
4060:
4061: # ---------------------- Get domain configuration for a domain
4062: sub get_domainconf {
4063: my ($udom) = @_;
4064: my $cachetime=1800;
4065: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
4066: if (defined($cached)) { return %{$result}; }
4067:
4068: my %domconfig = &Apache::lonnet::get_dom('configuration',
4069: ['login','rolecolors'],$udom);
4070: my (%designhash,%legacy);
4071: if (keys(%domconfig) > 0) {
4072: if (ref($domconfig{'login'}) eq 'HASH') {
4073: if (keys(%{$domconfig{'login'}})) {
4074: foreach my $key (keys(%{$domconfig{'login'}})) {
4075: if (ref($domconfig{'login'}{$key}) eq 'HASH') {
4076: foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
4077: $designhash{$udom.'.login.'.$key.'_'.$img} =
4078: $domconfig{'login'}{$key}{$img};
4079: }
4080: } else {
4081: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
4082: }
4083: }
4084: } else {
4085: $legacy{'login'} = 1;
4086: }
4087: } else {
4088: $legacy{'login'} = 1;
4089: }
4090: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
4091: if (keys(%{$domconfig{'rolecolors'}})) {
4092: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
4093: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
4094: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
4095: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
4096: }
4097: }
4098: }
4099: } else {
4100: $legacy{'rolecolors'} = 1;
4101: }
4102: } else {
4103: $legacy{'rolecolors'} = 1;
4104: }
4105: if (keys(%legacy) > 0) {
4106: my %legacyhash = &get_legacy_domconf($udom);
4107: foreach my $item (keys(%legacyhash)) {
4108: if ($item =~ /^\Q$udom\E\.login/) {
4109: if ($legacy{'login'}) {
4110: $designhash{$item} = $legacyhash{$item};
4111: }
4112: } else {
4113: if ($legacy{'rolecolors'}) {
4114: $designhash{$item} = $legacyhash{$item};
4115: }
4116: }
4117: }
4118: }
4119: } else {
4120: %designhash = &get_legacy_domconf($udom);
4121: }
4122: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
4123: $cachetime);
4124: return %designhash;
4125: }
4126:
4127: sub get_legacy_domconf {
4128: my ($udom) = @_;
4129: my %legacyhash;
4130: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
4131: my $designfile = $designdir.'/'.$udom.'.tab';
4132: if (-e $designfile) {
4133: if ( open (my $fh,"<$designfile") ) {
4134: while (my $line = <$fh>) {
4135: next if ($line =~ /^\#/);
4136: chomp($line);
4137: my ($key,$val)=(split(/\=/,$line));
4138: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
4139: }
4140: close($fh);
4141: }
4142: }
4143: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
4144: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
4145: }
4146: return %legacyhash;
4147: }
4148:
4149: =pod
4150:
4151: =item * &domainlogo()
4152:
4153: Inputs: $domain (usually will be undef)
4154:
4155: Returns: A link to a domain logo, if the domain logo exists.
4156: If the domain logo does not exist, a description of the domain.
4157:
4158: =cut
4159:
4160: ###############################################
4161: sub domainlogo {
4162: my $domain = &determinedomain(shift);
4163: my %designhash = &get_domainconf($domain);
4164: # See if there is a logo
4165: if ($designhash{$domain.'.login.domlogo'} ne '') {
4166: my $imgsrc = $designhash{$domain.'.login.domlogo'};
4167: if ($imgsrc =~ m{^/(adm|res)/}) {
4168: if ($imgsrc =~ m{^/res/}) {
4169: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
4170: &Apache::lonnet::repcopy($local_name);
4171: }
4172: $imgsrc = &lonhttpdurl($imgsrc);
4173: }
4174: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
4175: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
4176: return &Apache::lonnet::domain($domain,'description');
4177: } else {
4178: return '';
4179: }
4180: }
4181: ##############################################
4182:
4183: =pod
4184:
4185: =item * &designparm()
4186:
4187: Inputs: $which parameter; $domain (usually will be undef)
4188:
4189: Returns: value of designparamter $which
4190:
4191: =cut
4192:
4193:
4194: ##############################################
4195: sub designparm {
4196: my ($which,$domain)=@_;
4197: if (exists($env{'environment.color.'.$which})) {
4198: return $env{'environment.color.'.$which};
4199: }
4200: $domain=&determinedomain($domain);
4201: my %domdesign = &get_domainconf($domain);
4202: my $output;
4203: if ($domdesign{$domain.'.'.$which} ne '') {
4204: $output = $domdesign{$domain.'.'.$which};
4205: } else {
4206: $output = $defaultdesign{$which};
4207: }
4208: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
4209: ($which =~ /login\.(img|logo|domlogo|login)/)) {
4210: if ($output =~ m{^/(adm|res)/}) {
4211: if ($output =~ m{^/res/}) {
4212: my $local_name = &Apache::lonnet::filelocation('',$output);
4213: &Apache::lonnet::repcopy($local_name);
4214: }
4215: $output = &lonhttpdurl($output);
4216: }
4217: }
4218: return $output;
4219: }
4220:
4221: ##############################################
4222: =pod
4223:
4224: =item * &authorspace()
4225:
4226: Inputs: ./.
4227:
4228: Returns: Path to the Construction Space of the current user's
4229: accessed author space
4230: The author space will be that of the current user
4231: when accessing the own author space
4232: and that of the co-author/assistent co-author
4233: when accessing the co-author's/assistent co-author's
4234: space
4235:
4236: =cut
4237:
4238: sub authorspace {
4239: my $caname = '';
4240: if ($env{'request.role'} =~ /^ca|^aa/) {
4241: (undef,$caname) =
4242: ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
4243: } else {
4244: $caname = $env{'user.name'};
4245: }
4246: return '/priv/'.$caname.'/';
4247: }
4248:
4249: ##############################################
4250: =pod
4251:
4252: =item * &head_subbox()
4253:
4254: Inputs: $content (contains HTML code with page functions, etc.)
4255:
4256: Returns: HTML div with $content
4257: To be included in page header
4258:
4259: =cut
4260:
4261: sub head_subbox {
4262: my ($content)=@_;
4263: my $output =
4264: '<div id="LC_head_subbox">'
4265: .$content
4266: .'</div>'
4267: }
4268:
4269: ##############################################
4270: =pod
4271:
4272: =item * &CSTR_pageheader()
4273:
4274: Inputs: ./.
4275:
4276: Returns: HTML div with CSTR path and recent box
4277: To be included on Construction Space pages
4278:
4279: =cut
4280:
4281: sub CSTR_pageheader {
4282: # this is for resources; directories have customtitle, and crumbs
4283: # and select recent are created in lonpubdir.pm
4284: my ($uname,$thisdisfn)=
4285: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
4286: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
4287: $formaction=~s/\/+/\//g;
4288:
4289: my $parentpath = '';
4290: my $lastitem = '';
4291: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4292: $parentpath = $1;
4293: $lastitem = $2;
4294: } else {
4295: $lastitem = $thisdisfn;
4296: }
4297: return
4298: '<div>'
4299: .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
4300: .'<b>'.&mt('Construction Space:').'</b> '
4301: .'<form name="dirs" method="post" action="'.$formaction
4302: .'" target="_top"><tt><b>' #FIXME lonpubdir: target="_parent"
4303: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."$lastitem</b></tt><br />"
4304: #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"
4305: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4306: .'</form>'
4307: .&Apache::lonmenu::constspaceform()
4308: .'</div>';
4309: }
4310:
4311: ###############################################
4312: ###############################################
4313:
4314: =pod
4315:
4316: =back
4317:
4318: =head1 HTML Helpers
4319:
4320: =over 4
4321:
4322: =item * &bodytag()
4323:
4324: Returns a uniform header for LON-CAPA web pages.
4325:
4326: Inputs:
4327:
4328: =over 4
4329:
4330: =item * $title, A title to be displayed on the page.
4331:
4332: =item * $function, the current role (can be undef).
4333:
4334: =item * $addentries, extra parameters for the <body> tag.
4335:
4336: =item * $bodyonly, if defined, only return the <body> tag.
4337:
4338: =item * $domain, if defined, force a given domain.
4339:
4340: =item * $forcereg, if page should register as content page (relevant for
4341: text interface only)
4342:
4343: =item * $no_nav_bar, if true, keep the 'what is this' info but remove the
4344: navigational links
4345:
4346: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
4347:
4348: =item * $no_inline_link, if true and in remote mode, don't show the
4349: 'Switch To Inline Menu' link
4350:
4351: =item * $args, optional argument valid values are
4352: no_auto_mt_title -> prevents &mt()ing the title arg
4353: inherit_jsmath -> when creating popup window in a page,
4354: should it have jsmath forced on by the
4355: current page
4356:
4357: =back
4358:
4359: Returns: A uniform header for LON-CAPA web pages.
4360: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
4361: If $bodyonly is undef or zero, an html string containing a <body> tag and
4362: other decorations will be returned.
4363:
4364: =cut
4365:
4366: sub bodytag {
4367: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
4368: $no_nav_bar,$bgcolor,$no_inline_link,$args)=@_;
4369:
4370: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4371:
4372: $function = &get_users_function() if (!$function);
4373: my $img = &designparm($function.'.img',$domain);
4374: my $font = &designparm($function.'.font',$domain);
4375: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
4376:
4377: my %design = ( 'style' => 'margin-top: 0',
4378: 'bgcolor' => $pgbg,
4379: 'text' => $font,
4380: 'alink' => &designparm($function.'.alink',$domain),
4381: 'vlink' => &designparm($function.'.vlink',$domain),
4382: 'link' => &designparm($function.'.link',$domain),);
4383: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
4384:
4385: # role and realm
4386: my ($role,$realm) = split(/\./,$env{'request.role'},2);
4387: if ($role eq 'ca') {
4388: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
4389: $realm = &plainname($rname,$rdom);
4390: }
4391: # realm
4392: if ($env{'request.course.id'}) {
4393: if ($env{'request.role'} !~ /^cr/) {
4394: $role = &Apache::lonnet::plaintext($role,&course_type());
4395: }
4396: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
4397: } else {
4398: $role = &Apache::lonnet::plaintext($role);
4399: }
4400:
4401: if (!$realm) { $realm=' '; }
4402: # Set messages
4403: my $messages=&domainlogo($domain);
4404:
4405: my $extra_body_attr = &make_attr_string($forcereg,\%design);
4406:
4407: # construct main body tag
4408: my $bodytag = "<body $extra_body_attr>".
4409: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
4410:
4411: if ($bodyonly) {
4412: return $bodytag;
4413: }
4414:
4415: my $name = &plainname($env{'user.name'},$env{'user.domain'});
4416: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
4417: undef($role);
4418: } else {
4419: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
4420: }
4421:
4422: my $titleinfo = '<h1>'.$title.'</h1>';
4423: #
4424: # Extra info if you are the DC
4425: my $dc_info = '';
4426: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
4427: $env{'course.'.$env{'request.course.id'}.
4428: '.domain'}.'/'})) {
4429: my $cid = $env{'request.course.id'};
4430: $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
4431: $dc_info =~ s/\s+$//;
4432: $dc_info = '('.$dc_info.')';
4433: }
4434:
4435: $role = "($role)" if $role;
4436: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
4437:
4438: if ($env{'environment.remote'} eq 'off') {
4439: # No Remote
4440: if ($env{'request.state'} eq 'construct') {
4441: $forcereg=1;
4442: }
4443:
4444: # if ($env{'request.state'} eq 'construct') {
4445: # $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
4446: # }
4447:
4448: my $titletable = '<table id="LC_title_bar">'
4449: ."<tr><td> $titleinfo $dc_info</td>"
4450: .'</tr></table>';
4451:
4452: if ($no_nav_bar) {
4453: $bodytag .= $titletable;
4454: } else {
4455: $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
4456: <em>$realm</em> $dc_info</div>| unless $env{'form.inhibitmenu'};
4457:
4458: if ($env{'request.state'} eq 'construct') {
4459: $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$titletable);
4460: } else {
4461: $bodytag .= &Apache::lonmenu::menubuttons($forcereg).$titletable;
4462: }
4463: }
4464: return $bodytag;
4465: }
4466:
4467: #
4468: # Top frame rendering, Remote is up
4469: #
4470:
4471: my $imgsrc = $img;
4472: if ($img =~ /^\/adm/) {
4473: $imgsrc = &lonhttpdurl($img);
4474: }
4475: my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
4476:
4477: # Explicit link to get inline menu
4478: my $menu= ($no_inline_link?''
4479: :'<a href="/adm/remote?action=collapse" target="_top">'.&mt('Switch to Inline Menu Mode').'</a>');
4480: $bodytag .= qq|<div id="LC_nav_bar">$name $role
4481: <em>$realm</em> $dc_info </div>
4482: <ol class="LC_smallMenu LC_right">
4483: <li>$menu</li>
4484: </ol>| unless $env{'form.inhibitmenu'};
4485: #
4486: return(<<ENDBODY);
4487: $bodytag
4488: <table id="LC_title_bar" class="LC_with_remote">
4489: <tr><td>$upperleft</td>
4490: <td>$messages </td>
4491: </tr>
4492: <tr><td>$titleinfo $dc_info $menu</td>
4493: </tr>
4494: </table>
4495: ENDBODY
4496: }
4497:
4498: sub make_attr_string {
4499: my ($register,$attr_ref) = @_;
4500:
4501: if ($attr_ref && !ref($attr_ref)) {
4502: die("addentries Must be a hash ref ".
4503: join(':',caller(1))." ".
4504: join(':',caller(0))." ");
4505: }
4506:
4507: if ($register) {
4508: my ($on_load,$on_unload);
4509: foreach my $key (keys(%{$attr_ref})) {
4510: if (lc($key) eq 'onload') {
4511: $on_load.=$attr_ref->{$key}.';';
4512: delete($attr_ref->{$key});
4513:
4514: } elsif (lc($key) eq 'onunload') {
4515: $on_unload.=$attr_ref->{$key}.';';
4516: delete($attr_ref->{$key});
4517: }
4518: }
4519: $attr_ref->{'onload'} =
4520: &Apache::lonmenu::loadevents(). $on_load;
4521: $attr_ref->{'onunload'}=
4522: &Apache::lonmenu::unloadevents().$on_unload;
4523: }
4524:
4525: # Accessibility font enhance
4526: if ($env{'browser.fontenhance'} eq 'on') {
4527: my $style;
4528: foreach my $key (keys(%{$attr_ref})) {
4529: if (lc($key) eq 'style') {
4530: $style.=$attr_ref->{$key}.';';
4531: delete($attr_ref->{$key});
4532: }
4533: }
4534: $attr_ref->{'style'}=$style.'; font-size: x-large;';
4535: }
4536:
4537: my $attr_string;
4538: foreach my $attr (keys(%$attr_ref)) {
4539: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4540: }
4541: return $attr_string;
4542: }
4543:
4544:
4545: ###############################################
4546: ###############################################
4547:
4548: =pod
4549:
4550: =item * &endbodytag()
4551:
4552: Returns a uniform footer for LON-CAPA web pages.
4553:
4554: Inputs: 1 - optional reference to an args hash
4555: If in the hash, key for noredirectlink has a value which evaluates to true,
4556: a 'Continue' link is not displayed if the page contains an
4557: internal redirect in the <head></head> section,
4558: i.e., $env{'internal.head.redirect'} exists
4559:
4560: =cut
4561:
4562: sub endbodytag {
4563: my ($args) = @_;
4564: my $endbodytag='</body>';
4565: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
4566: if ( exists( $env{'internal.head.redirect'} ) ) {
4567: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
4568: $endbodytag=
4569: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4570: &mt('Continue').'</a>'.
4571: $endbodytag;
4572: }
4573: }
4574: return $endbodytag;
4575: }
4576:
4577: =pod
4578:
4579: =item * &standard_css()
4580:
4581: Returns a style sheet
4582:
4583: Inputs: (all optional)
4584: domain -> force to color decorate a page for a specific
4585: domain
4586: function -> force usage of a specific rolish color scheme
4587: bgcolor -> override the default page bgcolor
4588:
4589: =cut
4590:
4591: sub standard_css {
4592: my ($function,$domain,$bgcolor) = @_;
4593: $function = &get_users_function() if (!$function);
4594: my $img = &designparm($function.'.img', $domain);
4595: my $tabbg = &designparm($function.'.tabbg', $domain);
4596: my $font = &designparm($function.'.font', $domain);
4597: my $fontmenu = &designparm($function.'.fontmenu', $domain);
4598: #second colour for later usage
4599: my $sidebg = &designparm($function.'.sidebg',$domain);
4600: my $pgbg_or_bgcolor =
4601: $bgcolor ||
4602: &designparm($function.'.pgbg', $domain);
4603: my $pgbg = &designparm($function.'.pgbg', $domain);
4604: my $alink = &designparm($function.'.alink', $domain);
4605: my $vlink = &designparm($function.'.vlink', $domain);
4606: my $link = &designparm($function.'.link', $domain);
4607:
4608: my $loginbg = &designparm('login.sidebg',$domain);
4609: my $bgcol = &designparm('login.bgcol',$domain);
4610: my $textcol = &designparm('login.textcol',$domain);
4611:
4612: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
4613: my $mono = 'monospace';
4614: my $data_table_head = $sidebg;
4615: my $data_table_light = '#FAFAFA';
4616: my $data_table_dark = '#F0F0F0';
4617: my $data_table_darker = '#CCCCCC';
4618: my $data_table_highlight = '#FFFF00';
4619: my $mail_new = '#FFBB77';
4620: my $mail_new_hover = '#DD9955';
4621: my $mail_read = '#BBBB77';
4622: my $mail_read_hover = '#999944';
4623: my $mail_replied = '#AAAA88';
4624: my $mail_replied_hover = '#888855';
4625: my $mail_other = '#99BBBB';
4626: my $mail_other_hover = '#669999';
4627: my $table_header = '#DDDDDD';
4628: my $feedback_link_bg = '#BBBBBB';
4629: my $lg_border_color = '#C8C8C8';
4630:
4631: my $border = ($env{'browser.type'} eq 'explorer' ||
4632: $env{'browser.type'} eq 'safari' ) ? '0 2px 0 2px'
4633: : '0 3px 0 4px';
4634:
4635:
4636: return <<END;
4637: body {
4638: font-family: $sans;
4639: line-height:130%;
4640: font-size:0.83em;
4641: color:$font;
4642: }
4643:
4644: a:link, a:visited {
4645: font-size:100%;
4646: }
4647:
4648: a:focus {
4649: color: red;
4650: background: yellow
4651: }
4652:
4653: hr {
4654: clear: both;
4655: color: $tabbg;
4656: background-color: $tabbg;
4657: height: 3px;
4658: border: none;
4659: }
4660:
4661: form, .inline {
4662: display: inline;
4663: }
4664:
4665: .LC_right {
4666: text-align:right;
4667: }
4668:
4669: .LC_middle {
4670: vertical-align:middle;
4671: }
4672:
4673: /* just for tests */
4674: .LC_400Box {width:400px; }
4675: /* end */
4676:
4677: .LC_filename {
4678: font-family: $mono;
4679: white-space:pre;
4680: }
4681:
4682: .LC_fileicon {
4683: border: none;
4684: height: 1.3em;
4685: vertical-align: text-bottom;
4686: margin-right: 0.3em;
4687: text-decoration:none;
4688: }
4689:
4690: .LC_error {
4691: color: red;
4692: font-size: larger;
4693: }
4694:
4695: .LC_warning,
4696: .LC_diff_removed {
4697: color: red;
4698: }
4699:
4700: .LC_info,
4701: .LC_success,
4702: .LC_diff_added {
4703: color: green;
4704: }
4705:
4706: div.LC_confirm_box {
4707: background-color: #FAFAFA;
4708: border: 1px solid $lg_border_color;
4709: margin-right: 0;
4710: padding: 5px;
4711: }
4712:
4713: div.LC_confirm_box .LC_error img,
4714: div.LC_confirm_box .LC_success img {
4715: vertical-align: middle;
4716: }
4717:
4718: .LC_icon {
4719: border: none;
4720: vertical-align: middle;
4721: }
4722:
4723: .LC_docs_spacer {
4724: width: 25px;
4725: height: 1px;
4726: border: none;
4727: }
4728:
4729: .LC_internal_info {
4730: color: #999999;
4731: }
4732:
4733: .LC_discussion {
4734: background: $tabbg;
4735: border: 1px solid black;
4736: margin: 2px;
4737: }
4738:
4739: .LC_disc_action_links_bar {
4740: background: $tabbg;
4741: border: none;
4742: margin: 4px;
4743: }
4744:
4745: .LC_disc_action_left {
4746: text-align: left;
4747: }
4748:
4749: .LC_disc_action_right {
4750: text-align: right;
4751: }
4752:
4753: .LC_disc_new_item {
4754: background: white;
4755: border: 2px solid red;
4756: margin: 2px;
4757: }
4758:
4759: .LC_disc_old_item {
4760: background: white;
4761: border: 1px solid black;
4762: margin: 2px;
4763: }
4764:
4765: table.LC_pastsubmission {
4766: border: 1px solid black;
4767: margin: 2px;
4768: }
4769:
4770: table#LC_top_nav,
4771: table#LC_menubuttons,
4772: table#LC_nav_location {
4773: width: 100%;
4774: background: $pgbg;
4775: border: 2px;
4776: border-collapse: separate;
4777: padding: 0;
4778: }
4779:
4780: table#LC_title_bar a {
4781: color: $fontmenu;
4782: }
4783:
4784: table#LC_title_bar {
4785: clear: both;
4786: display: none;
4787: }
4788:
4789: table#LC_title_bar,
4790: table.LC_breadcrumbs,
4791: table#LC_title_bar.LC_with_remote {
4792: width: 100%;
4793: border-color: $pgbg;
4794: border-style: solid;
4795: border-width: $border;
4796: background: $pgbg;
4797: color: $fontmenu;
4798: border-collapse: collapse;
4799: padding: 0;
4800: margin: 0;
4801: }
4802:
4803: table#LC_title_bar td {
4804: background: $tabbg;
4805: }
4806:
4807: table#LC_menubuttons img{
4808: border: none;
4809: }
4810:
4811: table#LC_top_nav td {
4812: background: $tabbg;
4813: border: none;
4814: font-size: small;
4815: vertical-align:top;
4816: padding:2px 5px 2px 5px;
4817: }
4818:
4819: table#LC_top_nav td a,
4820: div#LC_top_nav a {
4821: color: $font;
4822: }
4823:
4824: table#LC_top_nav td.LC_top_nav_logo {
4825: background: $tabbg;
4826: text-align: left;
4827: white-space: nowrap;
4828: width: 31px;
4829: }
4830:
4831: table#LC_top_nav td.LC_top_nav_logo img {
4832: border: none;
4833: vertical-align: bottom;
4834: }
4835:
4836: table#LC_top_nav td.LC_top_nav_exit,
4837: table#LC_top_nav td.LC_top_nav_help {
4838: width: 2.0em;
4839: }
4840:
4841: table#LC_top_nav td.LC_top_nav_login {
4842: width: 4.0em;
4843: text-align: center;
4844: }
4845:
4846: .LC_breadcrumbs_component {
4847: float: right;
4848: margin: 0 1em;
4849: }
4850: .LC_breadcrumbs_component img {
4851: vertical-align: middle;
4852: }
4853:
4854: td.LC_table_cell_checkbox {
4855: text-align: center;
4856: }
4857:
4858: table#LC_mainmenu td.LC_mainmenu_column {
4859: vertical-align: top;
4860: }
4861:
4862: .LC_fontsize_small {
4863: font-size: 70%;
4864: }
4865:
4866: #LC_breadcrumbs {
4867: clear:both;
4868: background: $sidebg;
4869: border-bottom: 1px solid $lg_border_color;
4870: line-height: 32px;
4871: margin: 0;
4872: padding: 0;
4873: }
4874:
4875: /* Preliminary fix to hide breadcrumbs inside remote control window */
4876: #LC_remote #LC_breadcrumbs {
4877: display:none;
4878: }
4879:
4880: #LC_head_subbox {
4881: clear:both;
4882: background: #F8F8F8; /* $sidebg; */
4883: border-bottom: 1px solid $lg_border_color;
4884: margin: 0 0 10px 0;
4885: padding: 5px;
4886: }
4887:
4888: .LC_fontsize_medium {
4889: font-size: 85%;
4890: }
4891:
4892: .LC_fontsize_large {
4893: font-size: 120%;
4894: }
4895:
4896: .LC_menubuttons_inline_text {
4897: color: $font;
4898: font-size: 90%;
4899: padding-left:3px;
4900: }
4901:
4902: .LC_menubuttons_link {
4903: text-decoration: none;
4904: }
4905:
4906: .LC_menubuttons_category {
4907: color: $font;
4908: background: $pgbg;
4909: font-size: larger;
4910: font-weight: bold;
4911: }
4912:
4913: td.LC_menubuttons_text {
4914: color: $font;
4915: }
4916:
4917: .LC_current_location {
4918: background: $tabbg;
4919: }
4920:
4921: .LC_new_mail {
4922: background: $tabbg;
4923: font-weight: bold;
4924: }
4925:
4926: table.LC_data_table,
4927: table.LC_mail_list {
4928: border: 1px solid #000000;
4929: border-collapse: separate;
4930: border-spacing: 1px;
4931: background: $pgbg;
4932: }
4933:
4934: .LC_data_table_dense {
4935: font-size: small;
4936: }
4937:
4938: table.LC_nested_outer {
4939: border: 1px solid #000000;
4940: border-collapse: collapse;
4941: border-spacing: 0;
4942: width: 100%;
4943: }
4944:
4945: table.LC_innerpickbox,
4946: table.LC_nested {
4947: border: none;
4948: border-collapse: collapse;
4949: border-spacing: 0;
4950: width: 100%;
4951: }
4952:
4953: table.LC_data_table tr th,
4954: table.LC_calendar tr th,
4955: table.LC_mail_list tr th,
4956: table.LC_prior_tries tr th,
4957: table.LC_innerpickbox tr th {
4958: font-weight: bold;
4959: background-color: $data_table_head;
4960: color:$fontmenu;
4961: font-size:90%;
4962: }
4963:
4964: table.LC_innerpickbox tr th,
4965: table.LC_innerpickbox tr td {
4966: vertical-align: top;
4967: }
4968:
4969: table.LC_data_table tr.LC_info_row > td {
4970: background-color: #CCCCCC;
4971: font-weight: bold;
4972: text-align: left;
4973: }
4974:
4975: table.LC_data_table tr.LC_odd_row > td,
4976: table.LC_pick_box tr > td.LC_odd_row {
4977: background-color: $data_table_light;
4978: padding: 2px;
4979: }
4980:
4981: table.LC_data_table tr.LC_even_row > td,
4982: table.LC_pick_box tr > td.LC_even_row {
4983: background-color: $data_table_dark;
4984: padding: 2px;
4985: }
4986:
4987: table.LC_data_table tr.LC_data_table_highlight td {
4988: background-color: $data_table_darker;
4989: }
4990:
4991: table.LC_data_table tr td.LC_leftcol_header {
4992: background-color: $data_table_head;
4993: font-weight: bold;
4994: }
4995:
4996: table.LC_data_table tr.LC_empty_row td,
4997: table.LC_nested tr.LC_empty_row td {
4998: background-color: #FFFFFF;
4999: font-weight: bold;
5000: font-style: italic;
5001: text-align: center;
5002: padding: 8px;
5003: }
5004:
5005: table.LC_nested tr.LC_empty_row td {
5006: padding: 4ex
5007: }
5008:
5009: table.LC_nested_outer tr th {
5010: font-weight: bold;
5011: color:$fontmenu;
5012: background-color: $data_table_head;
5013: font-size: small;
5014: border-bottom: 1px solid #000000;
5015: }
5016:
5017: table.LC_nested_outer tr td.LC_subheader {
5018: background-color: $data_table_head;
5019: font-weight: bold;
5020: font-size: small;
5021: border-bottom: 1px solid #000000;
5022: text-align: right;
5023: }
5024:
5025: table.LC_nested tr.LC_info_row td {
5026: background-color: #CCCCCC;
5027: font-weight: bold;
5028: font-size: small;
5029: text-align: center;
5030: }
5031:
5032: table.LC_nested tr.LC_info_row td.LC_left_item,
5033: table.LC_nested_outer tr th.LC_left_item {
5034: text-align: left;
5035: }
5036:
5037: table.LC_nested td {
5038: background-color: #FFFFFF;
5039: font-size: small;
5040: }
5041:
5042: table.LC_nested_outer tr th.LC_right_item,
5043: table.LC_nested tr.LC_info_row td.LC_right_item,
5044: table.LC_nested tr.LC_odd_row td.LC_right_item,
5045: table.LC_nested tr td.LC_right_item {
5046: text-align: right;
5047: }
5048:
5049: table.LC_nested tr.LC_odd_row td {
5050: background-color: #EEEEEE;
5051: }
5052:
5053: table.LC_createuser {
5054: }
5055:
5056: table.LC_createuser tr.LC_section_row td {
5057: font-size: small;
5058: }
5059:
5060: table.LC_createuser tr.LC_info_row td {
5061: background-color: #CCCCCC;
5062: font-weight: bold;
5063: text-align: center;
5064: }
5065:
5066: table.LC_calendar {
5067: border: 1px solid #000000;
5068: border-collapse: collapse;
5069: }
5070:
5071: table.LC_calendar_pickdate {
5072: font-size: xx-small;
5073: }
5074:
5075: table.LC_calendar tr td {
5076: border: 1px solid #000000;
5077: vertical-align: top;
5078: }
5079:
5080: table.LC_calendar tr td.LC_calendar_day_empty {
5081: background-color: $data_table_dark;
5082: }
5083:
5084: table.LC_calendar tr td.LC_calendar_day_current {
5085: background-color: $data_table_highlight;
5086: }
5087:
5088: table.LC_mail_list tr.LC_mail_new {
5089: background-color: $mail_new;
5090: }
5091:
5092: table.LC_mail_list tr.LC_mail_new:hover {
5093: background-color: $mail_new_hover;
5094: }
5095:
5096: table.LC_mail_list tr.LC_mail_even {
5097: }
5098:
5099: table.LC_mail_list tr.LC_mail_odd {
5100: }
5101:
5102: table.LC_mail_list tr.LC_mail_read {
5103: background-color: $mail_read;
5104: }
5105:
5106: table.LC_mail_list tr.LC_mail_read:hover {
5107: background-color: $mail_read_hover;
5108: }
5109:
5110: table.LC_mail_list tr.LC_mail_replied {
5111: background-color: $mail_replied;
5112: }
5113:
5114: table.LC_mail_list tr.LC_mail_replied:hover {
5115: background-color: $mail_replied_hover;
5116: }
5117:
5118: table.LC_mail_list tr.LC_mail_other {
5119: background-color: $mail_other;
5120: }
5121:
5122: table.LC_mail_list tr.LC_mail_other:hover {
5123: background-color: $mail_other_hover;
5124: }
5125:
5126: table.LC_data_table tr > td.LC_browser_file,
5127: table.LC_data_table tr > td.LC_browser_file_published {
5128: background: #CCFF88;
5129: }
5130:
5131: table.LC_data_table tr > td.LC_browser_file_locked,
5132: table.LC_data_table tr > td.LC_browser_file_unpublished {
5133: background: #FFAA99;
5134: }
5135:
5136: table.LC_data_table tr > td.LC_browser_file_obsolete {
5137: background: #AAAAAA;
5138: }
5139:
5140: table.LC_data_table tr > td.LC_browser_file_modified,
5141: table.LC_data_table tr > td.LC_browser_file_metamodified {
5142: background: #FFFF77;
5143: }
5144:
5145: table.LC_data_table tr.LC_browser_folder > td {
5146: background: #CCCCFF;
5147: }
5148:
5149: table.LC_data_table tr > td.LC_roles_is {
5150: /* background: #77FF77; */
5151: }
5152:
5153: table.LC_data_table tr > td.LC_roles_future {
5154: background: #FFFF77;
5155: }
5156:
5157: table.LC_data_table tr > td.LC_roles_will {
5158: background: #FFAA77;
5159: }
5160:
5161: table.LC_data_table tr > td.LC_roles_expired {
5162: background: #FF7777;
5163: }
5164:
5165: table.LC_data_table tr > td.LC_roles_will_not {
5166: background: #AAFF77;
5167: }
5168:
5169: table.LC_data_table tr > td.LC_roles_selected {
5170: background: #11CC55;
5171: }
5172:
5173: span.LC_current_location {
5174: font-size:larger;
5175: background: $pgbg;
5176: }
5177:
5178: span.LC_parm_menu_item {
5179: font-size: larger;
5180: }
5181:
5182: span.LC_parm_scope_all {
5183: color: red;
5184: }
5185:
5186: span.LC_parm_scope_folder {
5187: color: green;
5188: }
5189:
5190: span.LC_parm_scope_resource {
5191: color: orange;
5192: }
5193:
5194: span.LC_parm_part {
5195: color: blue;
5196: }
5197:
5198: span.LC_parm_folder, span.LC_parm_symb {
5199: font-size: x-small;
5200: font-family: $mono;
5201: color: #AAAAAA;
5202: }
5203:
5204: td.LC_parm_overview_level_menu,
5205: td.LC_parm_overview_map_menu,
5206: td.LC_parm_overview_parm_selectors,
5207: td.LC_parm_overview_restrictions {
5208: border: 1px solid black;
5209: border-collapse: collapse;
5210: }
5211:
5212: table.LC_parm_overview_restrictions td {
5213: border-width: 1px 4px 1px 4px;
5214: border-style: solid;
5215: border-color: $pgbg;
5216: text-align: center;
5217: }
5218:
5219: table.LC_parm_overview_restrictions th {
5220: background: $tabbg;
5221: border-width: 1px 4px 1px 4px;
5222: border-style: solid;
5223: border-color: $pgbg;
5224: }
5225:
5226: table#LC_helpmenu {
5227: border: none;
5228: height: 55px;
5229: border-spacing: 0;
5230: }
5231:
5232: table#LC_helpmenu fieldset legend {
5233: font-size: larger;
5234: }
5235:
5236: table#LC_helpmenu_links {
5237: width: 100%;
5238: border: 1px solid black;
5239: background: $pgbg;
5240: padding: 0;
5241: border-spacing: 1px;
5242: }
5243:
5244: table#LC_helpmenu_links tr td {
5245: padding: 1px;
5246: background: $tabbg;
5247: text-align: center;
5248: font-weight: bold;
5249: }
5250:
5251: table#LC_helpmenu_links a:link,
5252: table#LC_helpmenu_links a:visited,
5253: table#LC_helpmenu_links a:active {
5254: text-decoration: none;
5255: color: $font;
5256: }
5257:
5258: table#LC_helpmenu_links a:hover {
5259: text-decoration: underline;
5260: color: $vlink;
5261: }
5262:
5263: .LC_chrt_popup_exists {
5264: border: 1px solid #339933;
5265: margin: -1px;
5266: }
5267:
5268: .LC_chrt_popup_up {
5269: border: 1px solid yellow;
5270: margin: -1px;
5271: }
5272:
5273: .LC_chrt_popup {
5274: border: 1px solid #8888FF;
5275: background: #CCCCFF;
5276: }
5277:
5278: table.LC_pick_box {
5279: border-collapse: separate;
5280: background: white;
5281: border: 1px solid black;
5282: border-spacing: 1px;
5283: }
5284:
5285: table.LC_pick_box td.LC_pick_box_title {
5286: background: $sidebg;
5287: font-weight: bold;
5288: text-align: right;
5289: vertical-align: top;
5290: width: 184px;
5291: padding: 8px;
5292: }
5293:
5294: table.LC_pick_box td.LC_pick_box_value {
5295: text-align: left;
5296: padding: 8px;
5297: }
5298:
5299: table.LC_pick_box td.LC_pick_box_select {
5300: text-align: left;
5301: padding: 8px;
5302: }
5303:
5304: table.LC_pick_box td.LC_pick_box_separator {
5305: padding: 0;
5306: height: 1px;
5307: background: black;
5308: }
5309:
5310: table.LC_pick_box td.LC_pick_box_submit {
5311: text-align: right;
5312: }
5313:
5314: table.LC_pick_box td.LC_evenrow_value {
5315: text-align: left;
5316: padding: 8px;
5317: background-color: $data_table_light;
5318: }
5319:
5320: table.LC_pick_box td.LC_oddrow_value {
5321: text-align: left;
5322: padding: 8px;
5323: background-color: $data_table_light;
5324: }
5325:
5326: table.LC_helpform_receipt {
5327: width: 620px;
5328: border-collapse: separate;
5329: background: white;
5330: border: 1px solid black;
5331: border-spacing: 1px;
5332: }
5333:
5334: table.LC_helpform_receipt td.LC_pick_box_title {
5335: background: $tabbg;
5336: font-weight: bold;
5337: text-align: right;
5338: width: 184px;
5339: padding: 8px;
5340: }
5341:
5342: table.LC_helpform_receipt td.LC_evenrow_value {
5343: text-align: left;
5344: padding: 8px;
5345: background-color: $data_table_light;
5346: }
5347:
5348: table.LC_helpform_receipt td.LC_oddrow_value {
5349: text-align: left;
5350: padding: 8px;
5351: background-color: $data_table_light;
5352: }
5353:
5354: table.LC_helpform_receipt td.LC_pick_box_separator {
5355: padding: 0;
5356: height: 1px;
5357: background: black;
5358: }
5359:
5360: span.LC_helpform_receipt_cat {
5361: font-weight: bold;
5362: }
5363:
5364: table.LC_group_priv_box {
5365: background: white;
5366: border: 1px solid black;
5367: border-spacing: 1px;
5368: }
5369:
5370: table.LC_group_priv_box td.LC_pick_box_title {
5371: background: $tabbg;
5372: font-weight: bold;
5373: text-align: right;
5374: width: 184px;
5375: }
5376:
5377: table.LC_group_priv_box td.LC_groups_fixed {
5378: background: $data_table_light;
5379: text-align: center;
5380: }
5381:
5382: table.LC_group_priv_box td.LC_groups_optional {
5383: background: $data_table_dark;
5384: text-align: center;
5385: }
5386:
5387: table.LC_group_priv_box td.LC_groups_functionality {
5388: background: $data_table_darker;
5389: text-align: center;
5390: font-weight: bold;
5391: }
5392:
5393: table.LC_group_priv td {
5394: text-align: left;
5395: padding: 0;
5396: }
5397:
5398: table.LC_notify_front_page {
5399: background: white;
5400: border: 1px solid black;
5401: padding: 8px;
5402: }
5403:
5404: table.LC_notify_front_page td {
5405: padding: 8px;
5406: }
5407:
5408: .LC_navbuttons {
5409: margin: 2ex 0ex 2ex 0ex;
5410: }
5411:
5412: .LC_topic_bar {
5413: font-weight: bold;
5414: width: 100%;
5415: background: $tabbg;
5416: vertical-align: middle;
5417: margin: 2ex 0ex 2ex 0ex;
5418: padding: 3px;
5419: }
5420:
5421: .LC_topic_bar span {
5422: vertical-align: middle;
5423: }
5424:
5425: .LC_topic_bar img {
5426: vertical-align: bottom;
5427: }
5428:
5429: table.LC_course_group_status {
5430: margin: 20px;
5431: }
5432:
5433: table.LC_status_selector td {
5434: vertical-align: top;
5435: text-align: center;
5436: padding: 4px;
5437: }
5438:
5439: div.LC_feedback_link {
5440: clear: both;
5441: background: $sidebg;
5442: width: 100%;
5443: padding-bottom: 10px;
5444: border: 1px $tabbg solid;
5445: height: 22px;
5446: line-height: 22px;
5447: padding-top: 5px;
5448: }
5449:
5450: div.LC_feedback_link img {
5451: height: 22px;
5452: vertical-align:middle;
5453: }
5454:
5455: div.LC_feedback_link a{
5456: text-decoration: none;
5457: }
5458:
5459: div.LC_comblock {
5460: display:inline;
5461: color:$font;
5462: font-size:90%;
5463: }
5464:
5465: div.LC_feedback_link div.LC_comblock {
5466: padding-left:5px;
5467: }
5468:
5469: div.LC_feedback_link div.LC_comblock a {
5470: color:$font;
5471: }
5472:
5473: span.LC_feedback_link {
5474: /* background: $feedback_link_bg; */
5475: font-size: larger;
5476: }
5477:
5478: span.LC_message_link {
5479: /* background: $feedback_link_bg; */
5480: font-size: larger;
5481: position: absolute;
5482: right: 1em;
5483: }
5484:
5485: table.LC_prior_tries {
5486: border: 1px solid #000000;
5487: border-collapse: separate;
5488: border-spacing: 1px;
5489: }
5490:
5491: table.LC_prior_tries td {
5492: padding: 2px;
5493: }
5494:
5495: .LC_answer_correct {
5496: background: lightgreen;
5497: color: darkgreen;
5498: padding: 6px;
5499: }
5500:
5501: .LC_answer_charged_try {
5502: background: #FFAAAA;
5503: color: darkred;
5504: padding: 6px;
5505: }
5506:
5507: .LC_answer_not_charged_try,
5508: .LC_answer_no_grade,
5509: .LC_answer_late {
5510: background: lightyellow;
5511: color: black;
5512: padding: 6px;
5513: }
5514:
5515: .LC_answer_previous {
5516: background: lightblue;
5517: color: darkblue;
5518: padding: 6px;
5519: }
5520:
5521: .LC_answer_no_message {
5522: background: #FFFFFF;
5523: color: black;
5524: padding: 6px;
5525: }
5526:
5527: .LC_answer_unknown {
5528: background: orange;
5529: color: black;
5530: padding: 6px;
5531: }
5532:
5533: span.LC_prior_numerical,
5534: span.LC_prior_string,
5535: span.LC_prior_custom,
5536: span.LC_prior_reaction,
5537: span.LC_prior_math {
5538: font-family: monospace;
5539: white-space: pre;
5540: }
5541:
5542: span.LC_prior_string {
5543: font-family: monospace;
5544: white-space: pre;
5545: }
5546:
5547: table.LC_prior_option {
5548: width: 100%;
5549: border-collapse: collapse;
5550: }
5551:
5552: table.LC_prior_rank,
5553: table.LC_prior_match {
5554: border-collapse: collapse;
5555: }
5556:
5557: table.LC_prior_option tr td,
5558: table.LC_prior_rank tr td,
5559: table.LC_prior_match tr td {
5560: border: 1px solid #000000;
5561: }
5562:
5563: .LC_nobreak {
5564: white-space: nowrap;
5565: }
5566:
5567: span.LC_cusr_emph {
5568: font-style: italic;
5569: }
5570:
5571: span.LC_cusr_subheading {
5572: font-weight: normal;
5573: font-size: 85%;
5574: }
5575:
5576: table.LC_docs_documents {
5577: background: #BBBBBB;
5578: border-width: 0;
5579: border-collapse: collapse;
5580: }
5581:
5582: table.LC_docs_documents td.LC_docs_document {
5583: border: 2px solid black;
5584: padding: 4px;
5585: }
5586:
5587: div.LC_docs_entry_move {
5588: border: 1px solid #BBBBBB;
5589: background: #DDDDDD;
5590: width: 22px;
5591: padding: 1px;
5592: margin: 0;
5593: }
5594:
5595: table.LC_data_table tr > td.LC_docs_entry_commands,
5596: table.LC_data_table tr > td.LC_docs_entry_parameter {
5597: background: #DDDDDD;
5598: font-size: x-small;
5599: }
5600:
5601: .LC_docs_entry_parameter {
5602: white-space: nowrap;
5603: }
5604:
5605: .LC_docs_copy {
5606: color: #000099;
5607: }
5608:
5609: .LC_docs_cut {
5610: color: #550044;
5611: }
5612:
5613: .LC_docs_rename {
5614: color: #009900;
5615: }
5616:
5617: .LC_docs_remove {
5618: color: #990000;
5619: }
5620:
5621: .LC_docs_reinit_warn,
5622: .LC_docs_ext_edit {
5623: font-size: x-small;
5624: }
5625:
5626: table.LC_docs_adddocs td,
5627: table.LC_docs_adddocs th {
5628: border: 1px solid #BBBBBB;
5629: padding: 4px;
5630: background: #DDDDDD;
5631: }
5632:
5633: table.LC_sty_begin {
5634: background: #BBFFBB;
5635: }
5636:
5637: table.LC_sty_end {
5638: background: #FFBBBB;
5639: }
5640:
5641: table.LC_double_column {
5642: border-width: 0;
5643: border-collapse: collapse;
5644: width: 100%;
5645: padding: 2px;
5646: }
5647:
5648: table.LC_double_column tr td.LC_left_col {
5649: top: 2px;
5650: left: 2px;
5651: width: 47%;
5652: vertical-align: top;
5653: }
5654:
5655: table.LC_double_column tr td.LC_right_col {
5656: top: 2px;
5657: right: 2px;
5658: width: 47%;
5659: vertical-align: top;
5660: }
5661:
5662: div.LC_left_float {
5663: float: left;
5664: padding-right: 5%;
5665: padding-bottom: 4px;
5666: }
5667:
5668: div.LC_clear_float_header {
5669: padding-bottom: 2px;
5670: }
5671:
5672: div.LC_clear_float_footer {
5673: padding-top: 10px;
5674: clear: both;
5675: }
5676:
5677: div.LC_grade_show_user {
5678: margin-top: 20px;
5679: border: 1px solid black;
5680: }
5681:
5682: div.LC_grade_user_name {
5683: background: #DDDDEE;
5684: border-bottom: 1px solid black;
5685: font-weight: bold;
5686: font-size: large;
5687: }
5688:
5689: div.LC_grade_show_user_odd_row div.LC_grade_user_name {
5690: background: #DDEEDD;
5691: }
5692:
5693: div.LC_grade_show_problem,
5694: div.LC_grade_submissions,
5695: div.LC_grade_message_center,
5696: div.LC_grade_info_links,
5697: div.LC_grade_assign {
5698: margin: 5px;
5699: width: 99%;
5700: background: #FFFFFF;
5701: }
5702:
5703: div.LC_grade_show_problem_header,
5704: div.LC_grade_submissions_header,
5705: div.LC_grade_message_center_header,
5706: div.LC_grade_assign_header {
5707: font-weight: bold;
5708: font-size: large;
5709: }
5710:
5711: div.LC_grade_show_problem_problem,
5712: div.LC_grade_submissions_body,
5713: div.LC_grade_message_center_body,
5714: div.LC_grade_assign_body {
5715: border: 1px solid black;
5716: width: 99%;
5717: background: #FFFFFF;
5718: }
5719:
5720: span.LC_grade_check_note {
5721: font-weight: normal;
5722: font-size: medium;
5723: display: inline;
5724: position: absolute;
5725: right: 1em;
5726: }
5727:
5728: table.LC_scantron_action {
5729: width: 100%;
5730: }
5731:
5732: table.LC_scantron_action tr th {
5733: font-weight:bold;
5734: font-style:normal;
5735: }
5736:
5737: .LC_edit_problem_header,
5738: div.LC_edit_problem_footer {
5739: font-weight: normal;
5740: font-size: medium;
5741: margin: 2px;
5742: }
5743:
5744: div.LC_edit_problem_header,
5745: div.LC_edit_problem_header div,
5746: div.LC_edit_problem_footer,
5747: div.LC_edit_problem_footer div,
5748: div.LC_edit_problem_editxml_header,
5749: div.LC_edit_problem_editxml_header div {
5750: margin-top: 5px;
5751: }
5752:
5753: div.LC_edit_problem_header_title {
5754: font-weight: bold;
5755: font-size: larger;
5756: background: $tabbg;
5757: padding: 3px;
5758: }
5759:
5760: table.LC_edit_problem_header_title {
5761: font-size: larger;
5762: font-weight: bold;
5763: width: 100%;
5764: border-color: $pgbg;
5765: border-style: solid;
5766: border-width: $border;
5767: background: $tabbg;
5768: border-collapse: collapse;
5769: padding: 0;
5770: }
5771:
5772: div.LC_edit_problem_discards {
5773: float: left;
5774: padding-bottom: 5px;
5775: }
5776:
5777: div.LC_edit_problem_saves {
5778: float: right;
5779: padding-bottom: 5px;
5780: }
5781:
5782: img.stift{
5783: border-width: 0;
5784: vertical-align: middle;
5785: }
5786:
5787: table#LC_mainmenu{
5788: margin-top:10px;
5789: width:80%;
5790: }
5791:
5792: table#LC_mainmenu td.LC_mainmenu_col_fieldset{
5793: vertical-align: top;
5794: width: 45%;
5795: }
5796:
5797: .LC_mainmenu_fieldset_category {
5798: color: $font;
5799: background: $pgbg;
5800: font-size: small;
5801: font-weight: bold;
5802: }
5803:
5804: div.LC_createcourse {
5805: margin: 10px 10px 10px 10px;
5806: }
5807:
5808: /* ---- Remove when done ----
5809: # The following styles is part of the redesign of LON-CAPA and are
5810: # subject to change during this project.
5811: # Don't rely on their current functionality as they might be
5812: # changed or removed.
5813: # --------------------------*/
5814:
5815: a:hover,
5816: ol.LC_smallMenu a:hover,
5817: ol#LC_MenuBreadcrumbs a:hover,
5818: ol#LC_PathBreadcrumbs a:hover,
5819: ul#LC_TabMainMenuContent a:hover,
5820: .LC_FormSectionClearButton input:hover
5821: ul.LC_TabContent li:hover a {
5822: color:#BF2317;
5823: text-decoration:none;
5824: }
5825:
5826: h1 {
5827: padding: 0;
5828: line-height:130%;
5829: }
5830:
5831: h2,h3,h4,h5,h6 {
5832: margin: 5px 0 5px 0;
5833: padding: 0;
5834: line-height:130%;
5835: }
5836:
5837: .LC_hcell {
5838: padding:3px 15px 3px 15px;
5839: margin: 0;
5840: background-color:$tabbg;
5841: color:$fontmenu;
5842: border-bottom:solid 1px $lg_border_color;
5843: }
5844:
5845: .LC_Box > .LC_hcell {
5846: margin: 0 -10px 10px -10px;
5847: }
5848:
5849: .LC_noBorder {
5850: border: 0;
5851: }
5852:
5853: .LC_Right {
5854: float: right;
5855: margin: 0;
5856: padding: 0;
5857: }
5858:
5859: .LC_FormSectionClearButton input {
5860: background-color:transparent;
5861: border: none;
5862: cursor:pointer;
5863: text-decoration:underline;
5864: }
5865:
5866: .LC_help_open_topic {
5867: color: #FFFFFF;
5868: background-color: #EEEEFF;
5869: margin: 1px;
5870: padding: 4px;
5871: border: 1px solid #000033;
5872: white-space: nowrap;
5873: /* vertical-align: middle; */
5874: }
5875:
5876: dl,ul,div,fieldset {
5877: margin: 10px 10px 10px 0;
5878: /* overflow: hidden; */
5879: }
5880:
5881: fieldset > legend {
5882: font-weight: bold;
5883: padding: 0 5px 0 5px;
5884: }
5885:
5886: #LC_nav_bar {
5887: float: left;
5888: margin: 0.2em 0 0 0;
5889: }
5890:
5891: #LC_nav_bar em{
5892: font-weight: bold;
5893: font-style: normal;
5894: }
5895:
5896: ol.LC_smallMenu {
5897: float: right;
5898: margin: 0.2em 0 0 0;
5899: }
5900:
5901: ol#LC_PathBreadcrumbs {
5902: margin: 0;
5903: }
5904:
5905: ol.LC_smallMenu li {
5906: display: inline;
5907: padding: 5px 5px 0 10px;
5908: vertical-align: top;
5909: }
5910:
5911: ol.LC_smallMenu li img {
5912: vertical-align: bottom;
5913: }
5914:
5915: ol.LC_smallMenu a {
5916: font-size: 90%;
5917: color: RGB(80, 80, 80);
5918: text-decoration: none;
5919: }
5920:
5921: ul#LC_TabMainMenuContent {
5922: clear: both;
5923: color: $fontmenu;
5924: background: $tabbg;
5925: list-style: none;
5926: padding: 0;
5927: margin: 0;
5928: width: 100%;
5929: }
5930:
5931: ul#LC_TabMainMenuContent li {
5932: font-weight: bold;
5933: line-height: 1.8em;
5934: padding: 0 0.8em;
5935: border-right: 1px solid black;
5936: display: inline;
5937: vertical-align: middle;
5938: }
5939:
5940: ul.LC_TabContent {
5941: display:block;
5942: background: $sidebg;
5943: border-bottom: solid 1px $lg_border_color;
5944: list-style:none;
5945: margin: 0 -10px;
5946: padding: 0;
5947: }
5948:
5949: ul.LC_TabContent li,
5950: ul.LC_TabContentBigger li {
5951: float:left;
5952: }
5953:
5954: ul#LC_TabMainMenuContent li a {
5955: color: $fontmenu;
5956: text-decoration: none;
5957: }
5958:
5959: ul.LC_TabContent {
5960: min-height:1.5em;
5961: }
5962:
5963: ul.LC_TabContent li {
5964: vertical-align:middle;
5965: padding: 0 10px 0 10px;
5966: background-color:$tabbg;
5967: border-bottom:solid 1px $lg_border_color;
5968: }
5969:
5970: ul.LC_TabContent .right {
5971: float:right;
5972: }
5973:
5974: ul.LC_TabContent li a, ul.LC_TabContent li {
5975: color:rgb(47,47,47);
5976: text-decoration:none;
5977: font-size:95%;
5978: font-weight:bold;
5979: padding-right: 16px;
5980: }
5981:
5982: ul.LC_TabContent li:hover, ul.LC_TabContent li.active {
5983: background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
5984: border-bottom:solid 2px #FFFFFF;
5985: padding-right: 16px;
5986: }
5987:
5988: #maincoursedoc {
5989: clear:both;
5990: }
5991:
5992: ul.LC_TabContentBigger {
5993: display:block;
5994: list-style:none;
5995: padding: 0;
5996: }
5997:
5998: ul.LC_TabContentBigger li {
5999: vertical-align:bottom;
6000: height: 30px;
6001: font-size:110%;
6002: font-weight:bold;
6003: color: #737373;
6004: }
6005:
6006:
6007: ul.LC_TabContentBigger li a {
6008: background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
6009: height: 30px;
6010: line-height: 30px;
6011: text-align: center;
6012: display: block;
6013: text-decoration: none;
6014: }
6015:
6016: ul.LC_TabContentBigger li:hover a,
6017: ul.LC_TabContentBigger li.active a {
6018: background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
6019: color:$font;
6020: text-decoration: underline;
6021: }
6022:
6023:
6024: ul.LC_TabContentBigger li b {
6025: background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
6026: display: block;
6027: float: left;
6028: padding: 0 30px;
6029: }
6030:
6031: ul.LC_TabContentBigger li:hover b,
6032: ul.LC_TabContentBigger li.active b {
6033: background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
6034: color:$font;
6035: border-bottom: 1px solid #FFFFFF;
6036: }
6037:
6038:
6039: ul.LC_CourseBreadcrumbs {
6040: background: $sidebg;
6041: line-height: 32px;
6042: padding-left: 10px;
6043: margin: 0 0 10px 0;
6044: list-style-position: inside;
6045:
6046: }
6047:
6048: ol#LC_MenuBreadcrumbs,
6049: ol#LC_PathBreadcrumbs {
6050: padding-left: 10px;
6051: margin: 0;
6052: list-style-position: inside;
6053: }
6054:
6055: ol#LC_MenuBreadcrumbs li,
6056: ol#LC_PathBreadcrumbs li,
6057: ul.LC_CourseBreadcrumbs li {
6058: display: inline;
6059: white-space: nowrap;
6060: }
6061:
6062: ol#LC_MenuBreadcrumbs li a,
6063: ul.LC_CourseBreadcrumbs li a {
6064: text-decoration: none;
6065: font-size:90%;
6066: }
6067:
6068: ol#LC_PathBreadcrumbs li a {
6069: text-decoration:none;
6070: font-size:100%;
6071: font-weight:bold;
6072: }
6073:
6074: .LC_Box {
6075: border: solid 1px $lg_border_color;
6076: padding: 0 10px 10px 10px;
6077: }
6078:
6079: .LC_AboutMe_Image {
6080: float:left;
6081: margin-right:10px;
6082: }
6083:
6084: .LC_Clear_AboutMe_Image {
6085: clear:left;
6086: }
6087:
6088: dl.LC_ListStyleClean dt {
6089: padding-right: 5px;
6090: display: table-header-group;
6091: }
6092:
6093: dl.LC_ListStyleClean dd {
6094: display: table-row;
6095: }
6096:
6097: .LC_ListStyleClean,
6098: .LC_ListStyleSimple,
6099: .LC_ListStyleNormal,
6100: .LC_ListStyle_Border,
6101: .LC_ListStyleSpecial {
6102: /*display:block; */
6103: list-style-position: inside;
6104: list-style-type: none;
6105: overflow: hidden;
6106: padding: 0;
6107: }
6108:
6109: .LC_ListStyleSimple li,
6110: .LC_ListStyleSimple dd,
6111: .LC_ListStyleNormal li,
6112: .LC_ListStyleNormal dd,
6113: .LC_ListStyleSpecial li,
6114: .LC_ListStyleSpecial dd {
6115: margin: 0;
6116: padding: 5px 5px 5px 10px;
6117: clear: both;
6118: }
6119:
6120: .LC_ListStyleClean li,
6121: .LC_ListStyleClean dd {
6122: padding-top: 0;
6123: padding-bottom: 0;
6124: }
6125:
6126: .LC_ListStyleSimple dd,
6127: .LC_ListStyleSimple li {
6128: border-bottom: solid 1px $lg_border_color;
6129: }
6130:
6131: .LC_ListStyleSpecial li,
6132: .LC_ListStyleSpecial dd {
6133: list-style-type: none;
6134: background-color: RGB(220, 220, 220);
6135: margin-bottom: 4px;
6136: }
6137:
6138: table.LC_SimpleTable {
6139: margin:5px;
6140: border:solid 1px $lg_border_color;
6141: }
6142:
6143: table.LC_SimpleTable tr {
6144: padding: 0;
6145: border:solid 1px $lg_border_color;
6146: }
6147:
6148: table.LC_SimpleTable thead {
6149: background:rgb(220,220,220);
6150: }
6151:
6152: div.LC_columnSection {
6153: display: block;
6154: clear: both;
6155: overflow: hidden;
6156: margin: 0;
6157: }
6158:
6159: div.LC_columnSection>* {
6160: float: left;
6161: margin: 10px 20px 10px 0;
6162: overflow:hidden;
6163: }
6164:
6165: .LC_loginpage_container {
6166: text-align:left;
6167: margin : 0 auto;
6168: width:90%;
6169: padding: 10px;
6170: height: auto;
6171: background-color:#FFFFFF;
6172: border:1px solid #CCCCCC;
6173: }
6174:
6175:
6176: .LC_loginpage_loginContainer {
6177: float:left;
6178: width: 182px;
6179: padding: 2px;
6180: border:1px solid #CCCCCC;
6181: background-color:$loginbg;
6182: }
6183:
6184: .LC_loginpage_loginContainer h2 {
6185: margin-top: 0;
6186: display:block;
6187: background:$bgcol;
6188: color:$textcol;
6189: padding-left:5px;
6190: }
6191:
6192: .LC_loginpage_loginInfo {
6193: float:left;
6194: width:182px;
6195: border:1px solid #CCCCCC;
6196: padding:2px;
6197: }
6198:
6199: .LC_loginpage_space {
6200: clear: both;
6201: margin-bottom: 20px;
6202: border-bottom: 1px solid #CCCCCC;
6203: }
6204:
6205: .LC_loginpage_floatLeft {
6206: float: left;
6207: width: 200px;
6208: margin: 0;
6209: }
6210:
6211: table em {
6212: font-weight: bold;
6213: font-style: normal;
6214: }
6215:
6216: table.LC_tableBrowseRes,
6217: table.LC_tableOfContent {
6218: border:none;
6219: border-spacing: 1px;
6220: padding: 3px;
6221: background-color: #FFFFFF;
6222: font-size: 90%;
6223: }
6224:
6225: table.LC_tableOfContent{
6226: border-collapse: collapse;
6227: }
6228:
6229: table.LC_tableBrowseRes a,
6230: table.LC_tableOfContent a {
6231: background-color: transparent;
6232: text-decoration: none;
6233: }
6234:
6235: table.LC_tableBrowseRes tr.LC_trOdd,
6236: table.LC_tableOfContent tr.LC_trOdd{
6237: background-color: #EEEEEE;
6238: }
6239:
6240: table.LC_tableOfContent img {
6241: border: none;
6242: height: 1.3em;
6243: vertical-align: text-bottom;
6244: margin-right: 0.3em;
6245: }
6246:
6247: a#LC_content_toolbar_firsthomework {
6248: background-image:url(/res/adm/pages/open-first-problem.gif);
6249: }
6250:
6251: a#LC_content_toolbar_launchnav {
6252: background-image:url(/res/adm/pages/start-navigation.gif);
6253: }
6254:
6255: a#LC_content_toolbar_closenav {
6256: background-image:url(/res/adm/pages/close-navigation.gif);
6257: }
6258:
6259: a#LC_content_toolbar_everything {
6260: background-image:url(/res/adm/pages/show-all.gif);
6261: }
6262:
6263: a#LC_content_toolbar_uncompleted {
6264: background-image:url(/res/adm/pages/show-incomplete-problems.gif);
6265: }
6266:
6267: #LC_content_toolbar_clearbubbles {
6268: background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
6269: }
6270:
6271: a#LC_content_toolbar_changefolder {
6272: background : url(/res/adm/pages/close-all-folders.gif) top center ;
6273: }
6274:
6275: a#LC_content_toolbar_changefolder_toggled {
6276: background-image:url(/res/adm/pages/open-all-folders.gif);
6277: }
6278:
6279: ul#LC_toolbar li a:hover {
6280: background-position: bottom center;
6281: }
6282:
6283: ul#LC_toolbar {
6284: padding: 0;
6285: margin: 2px;
6286: list-style:none;
6287: position:relative;
6288: background-color:white;
6289: }
6290:
6291: ul#LC_toolbar li {
6292: border:1px solid white;
6293: padding: 0;
6294: margin: 0;
6295: float: left;
6296: display:inline;
6297: vertical-align:middle;
6298: }
6299:
6300:
6301: a.LC_toolbarItem {
6302: display:block;
6303: padding: 0;
6304: margin: 0;
6305: height: 32px;
6306: width: 32px;
6307: color:white;
6308: border: none;
6309: background-repeat:no-repeat;
6310: background-color:transparent;
6311: }
6312:
6313: ul.LC_funclist li {
6314: float: left;
6315: white-space: nowrap;
6316: height: 35px; /* at least as high as heighest list item */
6317: margin: 0 15px 15px 10px;
6318: }
6319:
6320:
6321: END
6322: }
6323:
6324: =pod
6325:
6326: =item * &headtag()
6327:
6328: Returns a uniform footer for LON-CAPA web pages.
6329:
6330: Inputs: $title - optional title for the head
6331: $head_extra - optional extra HTML to put inside the <head>
6332: $args - optional arguments
6333: force_register - if is true call registerurl so the remote is
6334: informed
6335: redirect -> array ref of
6336: 1- seconds before redirect occurs
6337: 2- url to redirect to
6338: 3- whether the side effect should occur
6339: (side effect of setting
6340: $env{'internal.head.redirect'} to the url
6341: redirected too)
6342: domain -> force to color decorate a page for a specific
6343: domain
6344: function -> force usage of a specific rolish color scheme
6345: bgcolor -> override the default page bgcolor
6346: no_auto_mt_title
6347: -> prevent &mt()ing the title arg
6348:
6349: =cut
6350:
6351: sub headtag {
6352: my ($title,$head_extra,$args) = @_;
6353:
6354: my $function = $args->{'function'} || &get_users_function();
6355: my $domain = $args->{'domain'} || &determinedomain();
6356: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
6357: my $url = join(':',$env{'user.name'},$env{'user.domain'},
6358: $Apache::lonnet::perlvar{'lonVersion'},
6359: #time(),
6360: $env{'environment.color.timestamp'},
6361: $function,$domain,$bgcolor);
6362:
6363: $url = '/adm/css/'.&escape($url).'.css';
6364:
6365: my $result =
6366: '<head>'.
6367: &font_settings();
6368:
6369: if (!$args->{'frameset'}) {
6370: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
6371: }
6372: if ($args->{'force_register'}) {
6373: $result .= &Apache::lonmenu::registerurl(1);
6374: }
6375: if (!$args->{'no_nav_bar'}
6376: && !$args->{'only_body'}
6377: && !$args->{'frameset'}) {
6378: $result .= &help_menu_js();
6379: }
6380:
6381: if (ref($args->{'redirect'})) {
6382: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
6383: $url = &Apache::lonenc::check_encrypt($url);
6384: if (!$inhibit_continue) {
6385: $env{'internal.head.redirect'} = $url;
6386: }
6387: $result.=<<ADDMETA
6388: <meta http-equiv="pragma" content="no-cache" />
6389: <meta http-equiv="Refresh" content="$time; url=$url" />
6390: ADDMETA
6391: }
6392: if (!defined($title)) {
6393: $title = 'The LearningOnline Network with CAPA';
6394: }
6395: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
6396: $result .= '<title> LON-CAPA '.$title.'</title>'
6397: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
6398: .$head_extra;
6399: return $result;
6400: }
6401:
6402: =pod
6403:
6404: =item * &font_settings()
6405:
6406: Returns neccessary <meta> to set the proper encoding
6407:
6408: Inputs: none
6409:
6410: =cut
6411:
6412: sub font_settings {
6413: my $headerstring='';
6414: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
6415: $headerstring.=
6416: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
6417: }
6418: return $headerstring;
6419: }
6420:
6421: =pod
6422:
6423: =item * &xml_begin()
6424:
6425: Returns the needed doctype and <html>
6426:
6427: Inputs: none
6428:
6429: =cut
6430:
6431: sub xml_begin {
6432: my $output='';
6433:
6434: if ($env{'internal.start_page'}==1) {
6435: &Apache::lonhtmlcommon::init_htmlareafields();
6436: }
6437:
6438: if ($env{'browser.mathml'}) {
6439: $output='<?xml version="1.0"?>'
6440: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
6441: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
6442:
6443: # .'<!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">] >'
6444: .'<!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">'
6445: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
6446: .'xmlns="http://www.w3.org/1999/xhtml">';
6447: } else {
6448: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
6449: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">';
6450: }
6451: return $output;
6452: }
6453:
6454: =pod
6455:
6456: =item * &endheadtag()
6457:
6458: Returns a uniform </head> for LON-CAPA web pages.
6459:
6460: Inputs: none
6461:
6462: =cut
6463:
6464: sub endheadtag {
6465: return '</head>';
6466: }
6467:
6468: =pod
6469:
6470: =item * &head()
6471:
6472: Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
6473:
6474: Inputs:
6475:
6476: =over 4
6477:
6478: $title - optional title for the page
6479:
6480: $head_extra - optional extra HTML to put inside the <head>
6481:
6482: =back
6483:
6484: =cut
6485:
6486: sub head {
6487: my ($title,$head_extra,$args) = @_;
6488: return &headtag($title,$head_extra,$args).&endheadtag();
6489: }
6490:
6491: =pod
6492:
6493: =item * &start_page()
6494:
6495: Returns a complete <html> .. <body> section for LON-CAPA web pages.
6496:
6497: Inputs:
6498:
6499: =over 4
6500:
6501: $title - optional title for the page
6502:
6503: $head_extra - optional extra HTML to incude inside the <head>
6504:
6505: $args - additional optional args supported are:
6506:
6507: =over 8
6508:
6509: only_body -> is true will set &bodytag() onlybodytag
6510: arg on
6511: no_nav_bar -> is true will set &bodytag() no_nav_bar arg on
6512: add_entries -> additional attributes to add to the <body>
6513: domain -> force to color decorate a page for a
6514: specific domain
6515: function -> force usage of a specific rolish color
6516: scheme
6517: redirect -> see &headtag()
6518: bgcolor -> override the default page bg color
6519: js_ready -> return a string ready for being used in
6520: a javascript writeln
6521: html_encode -> return a string ready for being used in
6522: a html attribute
6523: force_register -> if is true will turn on the &bodytag()
6524: $forcereg arg
6525: frameset -> if true will start with a <frameset>
6526: rather than <body>
6527: skip_phases -> hash ref of
6528: head -> skip the <html><head> generation
6529: body -> skip all <body> generation
6530: no_inline_link -> if true and in remote mode, don't show the
6531: 'Switch To Inline Menu' link
6532: no_auto_mt_title -> prevent &mt()ing the title arg
6533: inherit_jsmath -> when creating popup window in a page,
6534: should it have jsmath forced on by the
6535: current page
6536: bread_crumbs -> Array containing breadcrumbs
6537: bread_crumbs_components -> if exists show it as headline else show only the breadcrumbs
6538:
6539: =back
6540:
6541: =back
6542:
6543: =cut
6544:
6545: sub start_page {
6546: my ($title,$head_extra,$args) = @_;
6547: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
6548: my %head_args;
6549: foreach my $arg ('redirect','force_register','domain','function',
6550: 'bgcolor','frameset','no_nav_bar','only_body',
6551: 'no_auto_mt_title') {
6552: if (defined($args->{$arg})) {
6553: $head_args{$arg} = $args->{$arg};
6554: }
6555: }
6556:
6557: $env{'internal.start_page'}++;
6558: my $result;
6559: if (! exists($args->{'skip_phases'}{'head'}) ) {
6560: $result.=
6561: &xml_begin().
6562: &headtag($title,$head_extra,\%head_args).&endheadtag();
6563: }
6564:
6565: if (! exists($args->{'skip_phases'}{'body'}) ) {
6566: if ($args->{'frameset'}) {
6567: my $attr_string = &make_attr_string($args->{'force_register'},
6568: $args->{'add_entries'});
6569: $result .= "\n<frameset $attr_string>\n";
6570: } else {
6571: $result .=
6572: &bodytag($title,
6573: $args->{'function'}, $args->{'add_entries'},
6574: $args->{'only_body'}, $args->{'domain'},
6575: $args->{'force_register'}, $args->{'no_nav_bar'},
6576: $args->{'bgcolor'}, $args->{'no_inline_link'},
6577: $args);
6578: }
6579: }
6580:
6581: if ($args->{'js_ready'}) {
6582: $result = &js_ready($result);
6583: }
6584: if ($args->{'html_encode'}) {
6585: $result = &html_encode($result);
6586: }
6587:
6588: # Preparation for new and consistent functionlist at top of screen
6589: # if ($args->{'functionlist'}) {
6590: # $result .= &build_functionlist();
6591: #}
6592:
6593: # Don't add anything more if only_body wanted
6594: return $result if $args->{'only_body'};
6595:
6596: #Breadcrumbs
6597: if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
6598: &Apache::lonhtmlcommon::clear_breadcrumbs();
6599: #if any br links exists, add them to the breadcrumbs
6600: if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
6601: foreach my $crumb (@{$args->{'bread_crumbs'}}){
6602: &Apache::lonhtmlcommon::add_breadcrumb($crumb);
6603: }
6604: }
6605:
6606: #if bread_crumbs_component exists show it as headline else show only the breadcrumbs
6607: if(exists($args->{'bread_crumbs_component'})){
6608: $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
6609: }else{
6610: $result .= &Apache::lonhtmlcommon::breadcrumbs();
6611: }
6612: }
6613: return $result;
6614: }
6615:
6616:
6617: =pod
6618:
6619: =item * &head()
6620:
6621: Returns a complete </body></html> section for LON-CAPA web pages.
6622:
6623: Inputs: $args - additional optional args supported are:
6624: js_ready -> return a string ready for being used in
6625: a javascript writeln
6626: html_encode -> return a string ready for being used in
6627: a html attribute
6628: frameset -> if true will start with a <frameset>
6629: rather than <body>
6630: dicsussion -> if true will get discussion from
6631: lonxml::xmlend
6632: (you can pass the target and parser arguments
6633: through optional 'target' and 'parser' args
6634: to this routine)
6635:
6636: =cut
6637:
6638: sub end_page {
6639: my ($args) = @_;
6640: $env{'internal.end_page'}++;
6641: my $result;
6642: if ($args->{'discussion'}) {
6643: my ($target,$parser);
6644: if (ref($args->{'discussion'})) {
6645: ($target,$parser) =($args->{'discussion'}{'target'},
6646: $args->{'discussion'}{'parser'});
6647: }
6648: $result .= &Apache::lonxml::xmlend($target,$parser);
6649: }
6650:
6651: if ($args->{'frameset'}) {
6652: $result .= '</frameset>';
6653: } else {
6654: $result .= &endbodytag($args);
6655: }
6656: $result .= "\n</html>";
6657:
6658: if ($args->{'js_ready'}) {
6659: $result = &js_ready($result);
6660: }
6661:
6662: if ($args->{'html_encode'}) {
6663: $result = &html_encode($result);
6664: }
6665:
6666: return $result;
6667: }
6668:
6669: sub html_encode {
6670: my ($result) = @_;
6671:
6672: $result = &HTML::Entities::encode($result,'<>&"');
6673:
6674: return $result;
6675: }
6676: sub js_ready {
6677: my ($result) = @_;
6678:
6679: $result =~ s/[\n\r]/ /xmsg;
6680: $result =~ s/\\/\\\\/xmsg;
6681: $result =~ s/'/\\'/xmsg;
6682: $result =~ s{</}{<\\/}xmsg;
6683:
6684: return $result;
6685: }
6686:
6687: sub validate_page {
6688: if ( exists($env{'internal.start_page'})
6689: && $env{'internal.start_page'} > 1) {
6690: &Apache::lonnet::logthis('start_page called multiple times '.
6691: $env{'internal.start_page'}.' '.
6692: $ENV{'request.filename'});
6693: }
6694: if ( exists($env{'internal.end_page'})
6695: && $env{'internal.end_page'} > 1) {
6696: &Apache::lonnet::logthis('end_page called multiple times '.
6697: $env{'internal.end_page'}.' '.
6698: $env{'request.filename'});
6699: }
6700: if ( exists($env{'internal.start_page'})
6701: && ! exists($env{'internal.end_page'})) {
6702: &Apache::lonnet::logthis('start_page called without end_page '.
6703: $env{'request.filename'});
6704: }
6705: if ( ! exists($env{'internal.start_page'})
6706: && exists($env{'internal.end_page'})) {
6707: &Apache::lonnet::logthis('end_page called without start_page'.
6708: $env{'request.filename'});
6709: }
6710: }
6711:
6712: sub simple_error_page {
6713: my ($r,$title,$msg) = @_;
6714: my $page =
6715: &Apache::loncommon::start_page($title).
6716: &mt($msg).
6717: &Apache::loncommon::end_page();
6718: if (ref($r)) {
6719: $r->print($page);
6720: return;
6721: }
6722: return $page;
6723: }
6724:
6725: {
6726: my @row_count;
6727: sub start_data_table {
6728: my ($add_class) = @_;
6729: my $css_class = (join(' ','LC_data_table',$add_class));
6730: unshift(@row_count,0);
6731: return '<table class="'.$css_class.'">'."\n";
6732: }
6733:
6734: sub end_data_table {
6735: shift(@row_count);
6736: return '</table>'."\n";;
6737: }
6738:
6739: sub start_data_table_row {
6740: my ($add_class) = @_;
6741: $row_count[0]++;
6742: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
6743: $css_class = (join(' ',$css_class,$add_class));
6744: return '<tr class="'.$css_class.'">'."\n";;
6745: }
6746:
6747: sub continue_data_table_row {
6748: my ($add_class) = @_;
6749: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
6750: $css_class = (join(' ',$css_class,$add_class));
6751: return '<tr class="'.$css_class.'">'."\n";;
6752: }
6753:
6754: sub end_data_table_row {
6755: return '</tr>'."\n";;
6756: }
6757:
6758: sub start_data_table_empty_row {
6759: # $row_count[0]++;
6760: return '<tr class="LC_empty_row" >'."\n";;
6761: }
6762:
6763: sub end_data_table_empty_row {
6764: return '</tr>'."\n";;
6765: }
6766:
6767: sub start_data_table_header_row {
6768: return '<tr class="LC_header_row">'."\n";;
6769: }
6770:
6771: sub end_data_table_header_row {
6772: return '</tr>'."\n";;
6773: }
6774: }
6775:
6776: =pod
6777:
6778: =item * &inhibit_menu_check($arg)
6779:
6780: Checks for a inhibitmenu state and generates output to preserve it
6781:
6782: Inputs: $arg - can be any of
6783: - undef - in which case the return value is a string
6784: to add into arguments list of a uri
6785: - 'input' - in which case the return value is a HTML
6786: <form> <input> field of type hidden to
6787: preserve the value
6788: - a url - in which case the return value is the url with
6789: the neccesary cgi args added to preserve the
6790: inhibitmenu state
6791: - a ref to a url - no return value, but the string is
6792: updated to include the neccessary cgi
6793: args to preserve the inhibitmenu state
6794:
6795: =cut
6796:
6797: sub inhibit_menu_check {
6798: my ($arg) = @_;
6799: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
6800: if ($arg eq 'input') {
6801: if ($env{'form.inhibitmenu'}) {
6802: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
6803: } else {
6804: return
6805: }
6806: }
6807: if ($env{'form.inhibitmenu'}) {
6808: if (ref($arg)) {
6809: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
6810: } elsif ($arg eq '') {
6811: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
6812: } else {
6813: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
6814: }
6815: }
6816: if (!ref($arg)) {
6817: return $arg;
6818: }
6819: }
6820:
6821: ###############################################
6822:
6823: =pod
6824:
6825: =back
6826:
6827: =head1 User Information Routines
6828:
6829: =over 4
6830:
6831: =item * &get_users_function()
6832:
6833: Used by &bodytag to determine the current users primary role.
6834: Returns either 'student','coordinator','admin', or 'author'.
6835:
6836: =cut
6837:
6838: ###############################################
6839: sub get_users_function {
6840: my $function = 'norole';
6841: if ($env{'request.role'}=~/^(st)/) {
6842: $function='student';
6843: }
6844: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
6845: $function='coordinator';
6846: }
6847: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
6848: $function='admin';
6849: }
6850: if (($env{'request.role'}=~/^(au|ca|aa)/) ||
6851: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
6852: $function='author';
6853: }
6854: return $function;
6855: }
6856:
6857: ###############################################
6858:
6859: =pod
6860:
6861: =item * &show_course()
6862:
6863: Used by lonmenu.pm and lonroles.pm to determine whether to use the word
6864: 'Courses' or 'Roles' in inline navigation and on screen displaying user's roles.
6865:
6866: Inputs:
6867: None
6868:
6869: Outputs:
6870: Scalar: 1 if 'Course' to be used, 0 otherwise.
6871:
6872: =cut
6873:
6874: ###############################################
6875: sub show_course {
6876: my $course = !$env{'user.adv'};
6877: if (!$env{'user.adv'}) {
6878: foreach my $env (keys(%env)) {
6879: next if ($env !~ m/^user\.priv\./);
6880: if ($env !~ m/^user\.priv\.(?:st|cm)/) {
6881: $course = 0;
6882: last;
6883: }
6884: }
6885: }
6886: return $course;
6887: }
6888:
6889: ###############################################
6890:
6891: =pod
6892:
6893: =item * &check_user_status()
6894:
6895: Determines current status of supplied role for a
6896: specific user. Roles can be active, previous or future.
6897:
6898: Inputs:
6899: user's domain, user's username, course's domain,
6900: course's number, optional section ID.
6901:
6902: Outputs:
6903: role status: active, previous or future.
6904:
6905: =cut
6906:
6907: sub check_user_status {
6908: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
6909: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
6910: my @uroles = keys %userinfo;
6911: my $srchstr;
6912: my $active_chk = 'none';
6913: my $now = time;
6914: if (@uroles > 0) {
6915: if (($role eq 'cc') || ($sec eq '') || (!defined($sec))) {
6916: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
6917: } else {
6918: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
6919: }
6920: if (grep/^\Q$srchstr\E$/,@uroles) {
6921: my $role_end = 0;
6922: my $role_start = 0;
6923: $active_chk = 'active';
6924: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
6925: $role_end = $1;
6926: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
6927: $role_start = $1;
6928: }
6929: }
6930: if ($role_start > 0) {
6931: if ($now < $role_start) {
6932: $active_chk = 'future';
6933: }
6934: }
6935: if ($role_end > 0) {
6936: if ($now > $role_end) {
6937: $active_chk = 'previous';
6938: }
6939: }
6940: }
6941: }
6942: return $active_chk;
6943: }
6944:
6945: ###############################################
6946:
6947: =pod
6948:
6949: =item * &get_sections()
6950:
6951: Determines all the sections for a course including
6952: sections with students and sections containing other roles.
6953: Incoming parameters:
6954:
6955: 1. domain
6956: 2. course number
6957: 3. reference to array containing roles for which sections should
6958: be gathered (optional).
6959: 4. reference to array containing status types for which sections
6960: should be gathered (optional).
6961:
6962: If the third argument is undefined, sections are gathered for any role.
6963: If the fourth argument is undefined, sections are gathered for any status.
6964: Permissible values are 'active' or 'future' or 'previous'.
6965:
6966: Returns section hash (keys are section IDs, values are
6967: number of users in each section), subject to the
6968: optional roles filter, optional status filter
6969:
6970: =cut
6971:
6972: ###############################################
6973: sub get_sections {
6974: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
6975: if (!defined($cdom) || !defined($cnum)) {
6976: my $cid = $env{'request.course.id'};
6977:
6978: return if (!defined($cid));
6979:
6980: $cdom = $env{'course.'.$cid.'.domain'};
6981: $cnum = $env{'course.'.$cid.'.num'};
6982: }
6983:
6984: my %sectioncount;
6985: my $now = time;
6986:
6987: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
6988: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
6989: my $sec_index = &Apache::loncoursedata::CL_SECTION();
6990: my $status_index = &Apache::loncoursedata::CL_STATUS();
6991: my $start_index = &Apache::loncoursedata::CL_START();
6992: my $end_index = &Apache::loncoursedata::CL_END();
6993: my $status;
6994: while (my ($student,$data) = each(%$classlist)) {
6995: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
6996: $data->[$status_index],
6997: $data->[$start_index],
6998: $data->[$end_index]);
6999: if ($stu_status eq 'Active') {
7000: $status = 'active';
7001: } elsif ($end < $now) {
7002: $status = 'previous';
7003: } elsif ($start > $now) {
7004: $status = 'future';
7005: }
7006: if ($section ne '-1' && $section !~ /^\s*$/) {
7007: if ((!defined($possible_status)) || (($status ne '') &&
7008: (grep/^\Q$status\E$/,@{$possible_status}))) {
7009: $sectioncount{$section}++;
7010: }
7011: }
7012: }
7013: }
7014: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7015: foreach my $user (sort(keys(%courseroles))) {
7016: if ($user !~ /^(\w{2})/) { next; }
7017: my ($role) = ($user =~ /^(\w{2})/);
7018: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
7019: my ($section,$status);
7020: if ($role eq 'cr' &&
7021: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
7022: $section=$1;
7023: }
7024: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
7025: if (!defined($section) || $section eq '-1') { next; }
7026: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
7027: if ($end == -1 && $start == -1) {
7028: next; #deleted role
7029: }
7030: if (!defined($possible_status)) {
7031: $sectioncount{$section}++;
7032: } else {
7033: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
7034: $status = 'active';
7035: } elsif ($end < $now) {
7036: $status = 'future';
7037: } elsif ($start > $now) {
7038: $status = 'previous';
7039: }
7040: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
7041: $sectioncount{$section}++;
7042: }
7043: }
7044: }
7045: return %sectioncount;
7046: }
7047:
7048: ###############################################
7049:
7050: =pod
7051:
7052: =item * &get_course_users()
7053:
7054: Retrieves usernames:domains for users in the specified course
7055: with specific role(s), and access status.
7056:
7057: Incoming parameters:
7058: 1. course domain
7059: 2. course number
7060: 3. access status: users must have - either active,
7061: previous, future, or all.
7062: 4. reference to array of permissible roles
7063: 5. reference to array of section restrictions (optional)
7064: 6. reference to results object (hash of hashes).
7065: 7. reference to optional userdata hash
7066: 8. reference to optional statushash
7067: 9. flag if privileged users (except those set to unhide in
7068: course settings) should be excluded
7069: Keys of top level results hash are roles.
7070: Keys of inner hashes are username:domain, with
7071: values set to access type.
7072: Optional userdata hash returns an array with arguments in the
7073: same order as loncoursedata::get_classlist() for student data.
7074:
7075: Optional statushash returns
7076:
7077: Entries for end, start, section and status are blank because
7078: of the possibility of multiple values for non-student roles.
7079:
7080: =cut
7081:
7082: ###############################################
7083:
7084: sub get_course_users {
7085: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
7086: my %idx = ();
7087: my %seclists;
7088:
7089: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
7090: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
7091: $idx{end} = &Apache::loncoursedata::CL_END();
7092: $idx{start} = &Apache::loncoursedata::CL_START();
7093: $idx{id} = &Apache::loncoursedata::CL_ID();
7094: $idx{section} = &Apache::loncoursedata::CL_SECTION();
7095: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
7096: $idx{status} = &Apache::loncoursedata::CL_STATUS();
7097:
7098: if (grep(/^st$/,@{$roles})) {
7099: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
7100: my $now = time;
7101: foreach my $student (keys(%{$classlist})) {
7102: my $match = 0;
7103: my $secmatch = 0;
7104: my $section = $$classlist{$student}[$idx{section}];
7105: my $status = $$classlist{$student}[$idx{status}];
7106: if ($section eq '') {
7107: $section = 'none';
7108: }
7109: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
7110: if (grep(/^all$/,@{$sections})) {
7111: $secmatch = 1;
7112: } elsif ($$classlist{$student}[$idx{section}] eq '') {
7113: if (grep(/^none$/,@{$sections})) {
7114: $secmatch = 1;
7115: }
7116: } else {
7117: if (grep(/^\Q$section\E$/,@{$sections})) {
7118: $secmatch = 1;
7119: }
7120: }
7121: if (!$secmatch) {
7122: next;
7123: }
7124: }
7125: if (defined($$types{'active'})) {
7126: if ($$classlist{$student}[$idx{status}] eq 'Active') {
7127: push(@{$$users{st}{$student}},'active');
7128: $match = 1;
7129: }
7130: }
7131: if (defined($$types{'previous'})) {
7132: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
7133: push(@{$$users{st}{$student}},'previous');
7134: $match = 1;
7135: }
7136: }
7137: if (defined($$types{'future'})) {
7138: if ($$classlist{$student}[$idx{status}] eq 'Future') {
7139: push(@{$$users{st}{$student}},'future');
7140: $match = 1;
7141: }
7142: }
7143: if ($match) {
7144: push(@{$seclists{$student}},$section);
7145: if (ref($userdata) eq 'HASH') {
7146: $$userdata{$student} = $$classlist{$student};
7147: }
7148: if (ref($statushash) eq 'HASH') {
7149: $statushash->{$student}{'st'}{$section} = $status;
7150: }
7151: }
7152: }
7153: }
7154: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
7155: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7156: my $now = time;
7157: my %displaystatus = ( previous => 'Expired',
7158: active => 'Active',
7159: future => 'Future',
7160: );
7161: my %nothide;
7162: if ($hidepriv) {
7163: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
7164: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
7165: if ($user !~ /:/) {
7166: $nothide{join(':',split(/[\@]/,$user))}=1;
7167: } else {
7168: $nothide{$user} = 1;
7169: }
7170: }
7171: }
7172: foreach my $person (sort(keys(%coursepersonnel))) {
7173: my $match = 0;
7174: my $secmatch = 0;
7175: my $status;
7176: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
7177: $user =~ s/:$//;
7178: my ($end,$start) = split(/:/,$coursepersonnel{$person});
7179: if ($end == -1 || $start == -1) {
7180: next;
7181: }
7182: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
7183: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
7184: my ($uname,$udom) = split(/:/,$user);
7185: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
7186: if (grep(/^all$/,@{$sections})) {
7187: $secmatch = 1;
7188: } elsif ($usec eq '') {
7189: if (grep(/^none$/,@{$sections})) {
7190: $secmatch = 1;
7191: }
7192: } else {
7193: if (grep(/^\Q$usec\E$/,@{$sections})) {
7194: $secmatch = 1;
7195: }
7196: }
7197: if (!$secmatch) {
7198: next;
7199: }
7200: }
7201: if ($usec eq '') {
7202: $usec = 'none';
7203: }
7204: if ($uname ne '' && $udom ne '') {
7205: if ($hidepriv) {
7206: if ((&Apache::lonnet::privileged($uname,$udom)) &&
7207: (!$nothide{$uname.':'.$udom})) {
7208: next;
7209: }
7210: }
7211: if ($end > 0 && $end < $now) {
7212: $status = 'previous';
7213: } elsif ($start > $now) {
7214: $status = 'future';
7215: } else {
7216: $status = 'active';
7217: }
7218: foreach my $type (keys(%{$types})) {
7219: if ($status eq $type) {
7220: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
7221: push(@{$$users{$role}{$user}},$type);
7222: }
7223: $match = 1;
7224: }
7225: }
7226: if (($match) && (ref($userdata) eq 'HASH')) {
7227: if (!exists($$userdata{$uname.':'.$udom})) {
7228: &get_user_info($udom,$uname,\%idx,$userdata);
7229: }
7230: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
7231: push(@{$seclists{$uname.':'.$udom}},$usec);
7232: }
7233: if (ref($statushash) eq 'HASH') {
7234: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
7235: }
7236: }
7237: }
7238: }
7239: }
7240: if (grep(/^ow$/,@{$roles})) {
7241: if ((defined($cdom)) && (defined($cnum))) {
7242: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
7243: if ( defined($csettings{'internal.courseowner'}) ) {
7244: my $owner = $csettings{'internal.courseowner'};
7245: next if ($owner eq '');
7246: my ($ownername,$ownerdom);
7247: if ($owner =~ /^([^:]+):([^:]+)$/) {
7248: $ownername = $1;
7249: $ownerdom = $2;
7250: } else {
7251: $ownername = $owner;
7252: $ownerdom = $cdom;
7253: $owner = $ownername.':'.$ownerdom;
7254: }
7255: @{$$users{'ow'}{$owner}} = 'any';
7256: if (defined($userdata) &&
7257: !exists($$userdata{$owner})) {
7258: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
7259: if (!grep(/^none$/,@{$seclists{$owner}})) {
7260: push(@{$seclists{$owner}},'none');
7261: }
7262: if (ref($statushash) eq 'HASH') {
7263: $statushash->{$owner}{'ow'}{'none'} = 'Any';
7264: }
7265: }
7266: }
7267: }
7268: }
7269: foreach my $user (keys(%seclists)) {
7270: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
7271: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
7272: }
7273: }
7274: return;
7275: }
7276:
7277: sub get_user_info {
7278: my ($udom,$uname,$idx,$userdata) = @_;
7279: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
7280: &plainname($uname,$udom,'lastname');
7281: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
7282: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
7283: my %idhash = &Apache::lonnet::idrget($udom,($uname));
7284: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
7285: return;
7286: }
7287:
7288: ###############################################
7289:
7290: =pod
7291:
7292: =item * &get_user_quota()
7293:
7294: Retrieves quota assigned for storage of portfolio files for a user
7295:
7296: Incoming parameters:
7297: 1. user's username
7298: 2. user's domain
7299:
7300: Returns:
7301: 1. Disk quota (in Mb) assigned to student.
7302: 2. (Optional) Type of setting: custom or default
7303: (individually assigned or default for user's
7304: institutional status).
7305: 3. (Optional) - User's institutional status (e.g., faculty, staff
7306: or student - types as defined in localenroll::inst_usertypes
7307: for user's domain, which determines default quota for user.
7308: 4. (Optional) - Default quota which would apply to the user.
7309:
7310: If a value has been stored in the user's environment,
7311: it will return that, otherwise it returns the maximal default
7312: defined for the user's instituional status(es) in the domain.
7313:
7314: =cut
7315:
7316: ###############################################
7317:
7318:
7319: sub get_user_quota {
7320: my ($uname,$udom) = @_;
7321: my ($quota,$quotatype,$settingstatus,$defquota);
7322: if (!defined($udom)) {
7323: $udom = $env{'user.domain'};
7324: }
7325: if (!defined($uname)) {
7326: $uname = $env{'user.name'};
7327: }
7328: if (($udom eq '' || $uname eq '') ||
7329: ($udom eq 'public') && ($uname eq 'public')) {
7330: $quota = 0;
7331: $quotatype = 'default';
7332: $defquota = 0;
7333: } else {
7334: my $inststatus;
7335: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
7336: $quota = $env{'environment.portfolioquota'};
7337: $inststatus = $env{'environment.inststatus'};
7338: } else {
7339: my %userenv =
7340: &Apache::lonnet::get('environment',['portfolioquota',
7341: 'inststatus'],$udom,$uname);
7342: my ($tmp) = keys(%userenv);
7343: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7344: $quota = $userenv{'portfolioquota'};
7345: $inststatus = $userenv{'inststatus'};
7346: } else {
7347: undef(%userenv);
7348: }
7349: }
7350: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
7351: if ($quota eq '') {
7352: $quota = $defquota;
7353: $quotatype = 'default';
7354: } else {
7355: $quotatype = 'custom';
7356: }
7357: }
7358: if (wantarray) {
7359: return ($quota,$quotatype,$settingstatus,$defquota);
7360: } else {
7361: return $quota;
7362: }
7363: }
7364:
7365: ###############################################
7366:
7367: =pod
7368:
7369: =item * &default_quota()
7370:
7371: Retrieves default quota assigned for storage of user portfolio files,
7372: given an (optional) user's institutional status.
7373:
7374: Incoming parameters:
7375: 1. domain
7376: 2. (Optional) institutional status(es). This is a : separated list of
7377: status types (e.g., faculty, staff, student etc.)
7378: which apply to the user for whom the default is being retrieved.
7379: If the institutional status string in undefined, the domain
7380: default quota will be returned.
7381:
7382: Returns:
7383: 1. Default disk quota (in Mb) for user portfolios in the domain.
7384: 2. (Optional) institutional type which determined the value of the
7385: default quota.
7386:
7387: If a value has been stored in the domain's configuration db,
7388: it will return that, otherwise it returns 20 (for backwards
7389: compatibility with domains which have not set up a configuration
7390: db file; the original statically defined portfolio quota was 20 Mb).
7391:
7392: If the user's status includes multiple types (e.g., staff and student),
7393: the largest default quota which applies to the user determines the
7394: default quota returned.
7395:
7396: =back
7397:
7398: =cut
7399:
7400: ###############################################
7401:
7402:
7403: sub default_quota {
7404: my ($udom,$inststatus) = @_;
7405: my ($defquota,$settingstatus);
7406: my %quotahash = &Apache::lonnet::get_dom('configuration',
7407: ['quotas'],$udom);
7408: if (ref($quotahash{'quotas'}) eq 'HASH') {
7409: if ($inststatus ne '') {
7410: my @statuses = map { &unescape($_); } split(/:/,$inststatus);
7411: foreach my $item (@statuses) {
7412: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
7413: if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
7414: if ($defquota eq '') {
7415: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
7416: $settingstatus = $item;
7417: } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
7418: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
7419: $settingstatus = $item;
7420: }
7421: }
7422: } else {
7423: if ($quotahash{'quotas'}{$item} ne '') {
7424: if ($defquota eq '') {
7425: $defquota = $quotahash{'quotas'}{$item};
7426: $settingstatus = $item;
7427: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
7428: $defquota = $quotahash{'quotas'}{$item};
7429: $settingstatus = $item;
7430: }
7431: }
7432: }
7433: }
7434: }
7435: if ($defquota eq '') {
7436: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
7437: $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
7438: } else {
7439: $defquota = $quotahash{'quotas'}{'default'};
7440: }
7441: $settingstatus = 'default';
7442: }
7443: } else {
7444: $settingstatus = 'default';
7445: $defquota = 20;
7446: }
7447: if (wantarray) {
7448: return ($defquota,$settingstatus);
7449: } else {
7450: return $defquota;
7451: }
7452: }
7453:
7454: sub get_secgrprole_info {
7455: my ($cdom,$cnum,$needroles,$type) = @_;
7456: my %sections_count = &get_sections($cdom,$cnum);
7457: my @sections = (sort {$a <=> $b} keys(%sections_count));
7458: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
7459: my @groups = sort(keys(%curr_groups));
7460: my $allroles = [];
7461: my $rolehash;
7462: my $accesshash = {
7463: active => 'Currently has access',
7464: future => 'Will have future access',
7465: previous => 'Previously had access',
7466: };
7467: if ($needroles) {
7468: $rolehash = {'all' => 'all'};
7469: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7470: if (&Apache::lonnet::error(%user_roles)) {
7471: undef(%user_roles);
7472: }
7473: foreach my $item (keys(%user_roles)) {
7474: my ($role)=split(/\:/,$item,2);
7475: if ($role eq 'cr') { next; }
7476: if ($role =~ /^cr/) {
7477: $$rolehash{$role} = (split('/',$role))[3];
7478: } else {
7479: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
7480: }
7481: }
7482: foreach my $key (sort(keys(%{$rolehash}))) {
7483: push(@{$allroles},$key);
7484: }
7485: push (@{$allroles},'st');
7486: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
7487: }
7488: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
7489: }
7490:
7491: sub user_picker {
7492: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype) = @_;
7493: my $currdom = $dom;
7494: my %curr_selected = (
7495: srchin => 'dom',
7496: srchby => 'lastname',
7497: );
7498: my $srchterm;
7499: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
7500: if ($srch->{'srchby'} ne '') {
7501: $curr_selected{'srchby'} = $srch->{'srchby'};
7502: }
7503: if ($srch->{'srchin'} ne '') {
7504: $curr_selected{'srchin'} = $srch->{'srchin'};
7505: }
7506: if ($srch->{'srchtype'} ne '') {
7507: $curr_selected{'srchtype'} = $srch->{'srchtype'};
7508: }
7509: if ($srch->{'srchdomain'} ne '') {
7510: $currdom = $srch->{'srchdomain'};
7511: }
7512: $srchterm = $srch->{'srchterm'};
7513: }
7514: my %lt=&Apache::lonlocal::texthash(
7515: 'usr' => 'Search criteria',
7516: 'doma' => 'Domain/institution to search',
7517: 'uname' => 'username',
7518: 'lastname' => 'last name',
7519: 'lastfirst' => 'last name, first name',
7520: 'crs' => 'in this course',
7521: 'dom' => 'in selected LON-CAPA domain',
7522: 'alc' => 'all LON-CAPA',
7523: 'instd' => 'in institutional directory for selected domain',
7524: 'exact' => 'is',
7525: 'contains' => 'contains',
7526: 'begins' => 'begins with',
7527: 'youm' => "You must include some text to search for.",
7528: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
7529: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
7530: 'yomc' => "You must choose a domain when using an institutional directory search.",
7531: 'ymcd' => "You must choose a domain when using a domain search.",
7532: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
7533: 'whse' => "When searching by last,first you must include at least one character in the first name.",
7534: 'thfo' => "The following need to be corrected before the search can be run:",
7535: );
7536: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
7537: my $srchinsel = ' <select name="srchin">';
7538:
7539: my @srchins = ('crs','dom','alc','instd');
7540:
7541: foreach my $option (@srchins) {
7542: # FIXME 'alc' option unavailable until
7543: # loncreateuser::print_user_query_page()
7544: # has been completed.
7545: next if ($option eq 'alc');
7546: next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
7547: next if ($option eq 'crs' && !$env{'request.course.id'});
7548: if ($curr_selected{'srchin'} eq $option) {
7549: $srchinsel .= '
7550: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7551: } else {
7552: $srchinsel .= '
7553: <option value="'.$option.'">'.$lt{$option}.'</option>';
7554: }
7555: }
7556: $srchinsel .= "\n </select>\n";
7557:
7558: my $srchbysel = ' <select name="srchby">';
7559: foreach my $option ('lastname','lastfirst','uname') {
7560: if ($curr_selected{'srchby'} eq $option) {
7561: $srchbysel .= '
7562: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7563: } else {
7564: $srchbysel .= '
7565: <option value="'.$option.'">'.$lt{$option}.'</option>';
7566: }
7567: }
7568: $srchbysel .= "\n </select>\n";
7569:
7570: my $srchtypesel = ' <select name="srchtype">';
7571: foreach my $option ('begins','contains','exact') {
7572: if ($curr_selected{'srchtype'} eq $option) {
7573: $srchtypesel .= '
7574: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7575: } else {
7576: $srchtypesel .= '
7577: <option value="'.$option.'">'.$lt{$option}.'</option>';
7578: }
7579: }
7580: $srchtypesel .= "\n </select>\n";
7581:
7582: my ($newuserscript,$new_user_create);
7583:
7584: if ($forcenewuser) {
7585: if (ref($srch) eq 'HASH') {
7586: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $env{'request.role.domain'}) {
7587: if ($cancreate) {
7588: $new_user_create = '<p> <input type="submit" name="forcenew" value="'.&HTML::Entities::encode(&mt('Make new user "[_1]"',$srchterm),'<>&"').'" onclick="javascript:setSearch(\'1\','.$caller.');" /> </p>';
7589: } else {
7590: my $helplink = 'javascript:helpMenu('."'display'".')';
7591: my %usertypetext = (
7592: official => 'institutional',
7593: unofficial => 'non-institutional',
7594: );
7595: $new_user_create = '<p class="LC_warning">'
7596: .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
7597: .' '
7598: .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
7599: ,'<a href="'.$helplink.'">','</a>')
7600: .'</p><br />';
7601: }
7602: }
7603: }
7604:
7605: $newuserscript = <<"ENDSCRIPT";
7606:
7607: function setSearch(createnew,callingForm) {
7608: if (createnew == 1) {
7609: for (var i=0; i<callingForm.srchby.length; i++) {
7610: if (callingForm.srchby.options[i].value == 'uname') {
7611: callingForm.srchby.selectedIndex = i;
7612: }
7613: }
7614: for (var i=0; i<callingForm.srchin.length; i++) {
7615: if ( callingForm.srchin.options[i].value == 'dom') {
7616: callingForm.srchin.selectedIndex = i;
7617: }
7618: }
7619: for (var i=0; i<callingForm.srchtype.length; i++) {
7620: if (callingForm.srchtype.options[i].value == 'exact') {
7621: callingForm.srchtype.selectedIndex = i;
7622: }
7623: }
7624: for (var i=0; i<callingForm.srchdomain.length; i++) {
7625: if (callingForm.srchdomain.options[i].value == '$env{'request.role.domain'}') {
7626: callingForm.srchdomain.selectedIndex = i;
7627: }
7628: }
7629: }
7630: }
7631: ENDSCRIPT
7632:
7633: }
7634:
7635: my $output = <<"END_BLOCK";
7636: <script type="text/javascript">
7637: // <![CDATA[
7638: function validateEntry(callingForm) {
7639:
7640: var checkok = 1;
7641: var srchin;
7642: for (var i=0; i<callingForm.srchin.length; i++) {
7643: if ( callingForm.srchin[i].checked ) {
7644: srchin = callingForm.srchin[i].value;
7645: }
7646: }
7647:
7648: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
7649: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
7650: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
7651: var srchterm = callingForm.srchterm.value;
7652: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
7653: var msg = "";
7654:
7655: if (srchterm == "") {
7656: checkok = 0;
7657: msg += "$lt{'youm'}\\n";
7658: }
7659:
7660: if (srchtype== 'begins') {
7661: if (srchterm.length < 2) {
7662: checkok = 0;
7663: msg += "$lt{'thte'}\\n";
7664: }
7665: }
7666:
7667: if (srchtype== 'contains') {
7668: if (srchterm.length < 3) {
7669: checkok = 0;
7670: msg += "$lt{'thet'}\\n";
7671: }
7672: }
7673: if (srchin == 'instd') {
7674: if (srchdomain == '') {
7675: checkok = 0;
7676: msg += "$lt{'yomc'}\\n";
7677: }
7678: }
7679: if (srchin == 'dom') {
7680: if (srchdomain == '') {
7681: checkok = 0;
7682: msg += "$lt{'ymcd'}\\n";
7683: }
7684: }
7685: if (srchby == 'lastfirst') {
7686: if (srchterm.indexOf(",") == -1) {
7687: checkok = 0;
7688: msg += "$lt{'whus'}\\n";
7689: }
7690: if (srchterm.indexOf(",") == srchterm.length -1) {
7691: checkok = 0;
7692: msg += "$lt{'whse'}\\n";
7693: }
7694: }
7695: if (checkok == 0) {
7696: alert("$lt{'thfo'}\\n"+msg);
7697: return;
7698: }
7699: if (checkok == 1) {
7700: callingForm.submit();
7701: }
7702: }
7703:
7704: $newuserscript
7705:
7706: // ]]>
7707: </script>
7708:
7709: $new_user_create
7710:
7711: END_BLOCK
7712:
7713: $output .= &Apache::lonhtmlcommon::start_pick_box().
7714: &Apache::lonhtmlcommon::row_title($lt{'doma'}).
7715: $domform.
7716: &Apache::lonhtmlcommon::row_closure().
7717: &Apache::lonhtmlcommon::row_title($lt{'usr'}).
7718: $srchbysel.
7719: $srchtypesel.
7720: '<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.
7721: $srchinsel.
7722: &Apache::lonhtmlcommon::row_closure(1).
7723: &Apache::lonhtmlcommon::end_pick_box().
7724: '<br />';
7725: return $output;
7726: }
7727:
7728: sub user_rule_check {
7729: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
7730: my $response;
7731: if (ref($usershash) eq 'HASH') {
7732: foreach my $user (keys(%{$usershash})) {
7733: my ($uname,$udom) = split(/:/,$user);
7734: next if ($udom eq '' || $uname eq '');
7735: my ($id,$newuser);
7736: if (ref($usershash->{$user}) eq 'HASH') {
7737: $newuser = $usershash->{$user}->{'newuser'};
7738: $id = $usershash->{$user}->{'id'};
7739: }
7740: my $inst_response;
7741: if (ref($checks) eq 'HASH') {
7742: if (defined($checks->{'username'})) {
7743: ($inst_response,%{$inst_results->{$user}}) =
7744: &Apache::lonnet::get_instuser($udom,$uname);
7745: } elsif (defined($checks->{'id'})) {
7746: ($inst_response,%{$inst_results->{$user}}) =
7747: &Apache::lonnet::get_instuser($udom,undef,$id);
7748: }
7749: } else {
7750: ($inst_response,%{$inst_results->{$user}}) =
7751: &Apache::lonnet::get_instuser($udom,$uname);
7752: return;
7753: }
7754: if (!$got_rules->{$udom}) {
7755: my %domconfig = &Apache::lonnet::get_dom('configuration',
7756: ['usercreation'],$udom);
7757: if (ref($domconfig{'usercreation'}) eq 'HASH') {
7758: foreach my $item ('username','id') {
7759: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
7760: $$curr_rules{$udom}{$item} =
7761: $domconfig{'usercreation'}{$item.'_rule'};
7762: }
7763: }
7764: }
7765: $got_rules->{$udom} = 1;
7766: }
7767: foreach my $item (keys(%{$checks})) {
7768: if (ref($$curr_rules{$udom}) eq 'HASH') {
7769: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
7770: if (@{$$curr_rules{$udom}{$item}} > 0) {
7771: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
7772: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
7773: if ($rule_check{$rule}) {
7774: $$rulematch{$user}{$item} = $rule;
7775: if ($inst_response eq 'ok') {
7776: if (ref($inst_results) eq 'HASH') {
7777: if (ref($inst_results->{$user}) eq 'HASH') {
7778: if (keys(%{$inst_results->{$user}}) == 0) {
7779: $$alerts{$item}{$udom}{$uname} = 1;
7780: }
7781: }
7782: }
7783: }
7784: last;
7785: }
7786: }
7787: }
7788: }
7789: }
7790: }
7791: }
7792: }
7793: return;
7794: }
7795:
7796: sub user_rule_formats {
7797: my ($domain,$domdesc,$curr_rules,$check) = @_;
7798: my %text = (
7799: 'username' => 'Usernames',
7800: 'id' => 'IDs',
7801: );
7802: my $output;
7803: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
7804: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
7805: if (@{$ruleorder} > 0) {
7806: $output = '<br />'.&mt("$text{$check} with the following format(s) may <span class=\"LC_cusr_emph\">only</span> be used for verified users at [_1]:",$domdesc).' <ul>';
7807: foreach my $rule (@{$ruleorder}) {
7808: if (ref($curr_rules) eq 'ARRAY') {
7809: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
7810: if (ref($rules->{$rule}) eq 'HASH') {
7811: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
7812: $rules->{$rule}{'desc'}.'</li>';
7813: }
7814: }
7815: }
7816: }
7817: $output .= '</ul>';
7818: }
7819: }
7820: return $output;
7821: }
7822:
7823: sub instrule_disallow_msg {
7824: my ($checkitem,$domdesc,$count,$mode) = @_;
7825: my $response;
7826: my %text = (
7827: item => 'username',
7828: items => 'usernames',
7829: match => 'matches',
7830: do => 'does',
7831: action => 'a username',
7832: one => 'one',
7833: );
7834: if ($count > 1) {
7835: $text{'item'} = 'usernames';
7836: $text{'match'} ='match';
7837: $text{'do'} = 'do';
7838: $text{'action'} = 'usernames',
7839: $text{'one'} = 'ones';
7840: }
7841: if ($checkitem eq 'id') {
7842: $text{'items'} = 'IDs';
7843: $text{'item'} = 'ID';
7844: $text{'action'} = 'an ID';
7845: if ($count > 1) {
7846: $text{'item'} = 'IDs';
7847: $text{'action'} = 'IDs';
7848: }
7849: }
7850: $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
7851: if ($mode eq 'upload') {
7852: if ($checkitem eq 'username') {
7853: $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
7854: } elsif ($checkitem eq 'id') {
7855: $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
7856: }
7857: } elsif ($mode eq 'selfcreate') {
7858: if ($checkitem eq 'id') {
7859: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
7860: }
7861: } else {
7862: if ($checkitem eq 'username') {
7863: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
7864: } elsif ($checkitem eq 'id') {
7865: $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
7866: }
7867: }
7868: return $response;
7869: }
7870:
7871: sub personal_data_fieldtitles {
7872: my %fieldtitles = &Apache::lonlocal::texthash (
7873: id => 'Student/Employee ID',
7874: permanentemail => 'E-mail address',
7875: lastname => 'Last Name',
7876: firstname => 'First Name',
7877: middlename => 'Middle Name',
7878: generation => 'Generation',
7879: gen => 'Generation',
7880: inststatus => 'Affiliation',
7881: );
7882: return %fieldtitles;
7883: }
7884:
7885: sub sorted_inst_types {
7886: my ($dom) = @_;
7887: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
7888: my $othertitle = &mt('All users');
7889: if ($env{'request.course.id'}) {
7890: $othertitle = &mt('Any users');
7891: }
7892: my @types;
7893: if (ref($order) eq 'ARRAY') {
7894: @types = @{$order};
7895: }
7896: if (@types == 0) {
7897: if (ref($usertypes) eq 'HASH') {
7898: @types = sort(keys(%{$usertypes}));
7899: }
7900: }
7901: if (keys(%{$usertypes}) > 0) {
7902: $othertitle = &mt('Other users');
7903: }
7904: return ($othertitle,$usertypes,\@types);
7905: }
7906:
7907: sub get_institutional_codes {
7908: my ($settings,$allcourses,$LC_code) = @_;
7909: # Get complete list of course sections to update
7910: my @currsections = ();
7911: my @currxlists = ();
7912: my $coursecode = $$settings{'internal.coursecode'};
7913:
7914: if ($$settings{'internal.sectionnums'} ne '') {
7915: @currsections = split(/,/,$$settings{'internal.sectionnums'});
7916: }
7917:
7918: if ($$settings{'internal.crosslistings'} ne '') {
7919: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
7920: }
7921:
7922: if (@currxlists > 0) {
7923: foreach (@currxlists) {
7924: if (m/^([^:]+):(\w*)$/) {
7925: unless (grep/^$1$/,@{$allcourses}) {
7926: push @{$allcourses},$1;
7927: $$LC_code{$1} = $2;
7928: }
7929: }
7930: }
7931: }
7932:
7933: if (@currsections > 0) {
7934: foreach (@currsections) {
7935: if (m/^(\w+):(\w*)$/) {
7936: my $sec = $coursecode.$1;
7937: my $lc_sec = $2;
7938: unless (grep/^$sec$/,@{$allcourses}) {
7939: push @{$allcourses},$sec;
7940: $$LC_code{$sec} = $lc_sec;
7941: }
7942: }
7943: }
7944: }
7945: return;
7946: }
7947:
7948: =pod
7949:
7950: =head1 Slot Helpers
7951:
7952: =over 4
7953:
7954: =item * sorted_slots()
7955:
7956: Sorts an array of slot names in order of slot start time (earliest first).
7957:
7958: Inputs:
7959:
7960: =over 4
7961:
7962: slotsarr - Reference to array of unsorted slot names.
7963:
7964: slots - Reference to hash of hash, where outer hash keys are slot names.
7965:
7966: =back
7967:
7968: Returns:
7969:
7970: =over 4
7971:
7972: sorted - An array of slot names sorted by the start time of the slot.
7973:
7974: =back
7975:
7976: =back
7977:
7978: =cut
7979:
7980:
7981: sub sorted_slots {
7982: my ($slotsarr,$slots) = @_;
7983: my @sorted;
7984: if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
7985: @sorted =
7986: sort {
7987: if (ref($slots->{$a}) && ref($slots->{$b})) {
7988: return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
7989: }
7990: if (ref($slots->{$a})) { return -1;}
7991: if (ref($slots->{$b})) { return 1;}
7992: return 0;
7993: } @{$slotsarr};
7994: }
7995: return @sorted;
7996: }
7997:
7998:
7999: =pod
8000:
8001: =head1 HTTP Helpers
8002:
8003: =over 4
8004:
8005: =item * &get_unprocessed_cgi($query,$possible_names)
8006:
8007: Modify the %env hash to contain unprocessed CGI form parameters held in
8008: $query. The parameters listed in $possible_names (an array reference),
8009: will be set in $env{'form.name'} if they do not already exist.
8010:
8011: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
8012: $possible_names is an ref to an array of form element names. As an example:
8013: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
8014: will result in $env{'form.uname'} and $env{'form.udom'} being set.
8015:
8016: =cut
8017:
8018: sub get_unprocessed_cgi {
8019: my ($query,$possible_names)= @_;
8020: # $Apache::lonxml::debug=1;
8021: foreach my $pair (split(/&/,$query)) {
8022: my ($name, $value) = split(/=/,$pair);
8023: $name = &unescape($name);
8024: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
8025: $value =~ tr/+/ /;
8026: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
8027: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
8028: }
8029: }
8030: }
8031:
8032: =pod
8033:
8034: =item * &cacheheader()
8035:
8036: returns cache-controlling header code
8037:
8038: =cut
8039:
8040: sub cacheheader {
8041: unless ($env{'request.method'} eq 'GET') { return ''; }
8042: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
8043: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
8044: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
8045: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
8046: return $output;
8047: }
8048:
8049: =pod
8050:
8051: =item * &no_cache($r)
8052:
8053: specifies header code to not have cache
8054:
8055: =cut
8056:
8057: sub no_cache {
8058: my ($r) = @_;
8059: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
8060: $env{'request.method'} ne 'GET') { return ''; }
8061: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
8062: $r->no_cache(1);
8063: $r->header_out("Expires" => $date);
8064: $r->header_out("Pragma" => "no-cache");
8065: }
8066:
8067: sub content_type {
8068: my ($r,$type,$charset) = @_;
8069: if ($r) {
8070: # Note that printout.pl calls this with undef for $r.
8071: &no_cache($r);
8072: }
8073: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
8074: unless ($charset) {
8075: $charset=&Apache::lonlocal::current_encoding;
8076: }
8077: if ($charset) { $type.='; charset='.$charset; }
8078: if ($r) {
8079: $r->content_type($type);
8080: } else {
8081: print("Content-type: $type\n\n");
8082: }
8083: }
8084:
8085: =pod
8086:
8087: =item * &add_to_env($name,$value)
8088:
8089: adds $name to the %env hash with value
8090: $value, if $name already exists, the entry is converted to an array
8091: reference and $value is added to the array.
8092:
8093: =cut
8094:
8095: sub add_to_env {
8096: my ($name,$value)=@_;
8097: if (defined($env{$name})) {
8098: if (ref($env{$name})) {
8099: #already have multiple values
8100: push(@{ $env{$name} },$value);
8101: } else {
8102: #first time seeing multiple values, convert hash entry to an arrayref
8103: my $first=$env{$name};
8104: undef($env{$name});
8105: push(@{ $env{$name} },$first,$value);
8106: }
8107: } else {
8108: $env{$name}=$value;
8109: }
8110: }
8111:
8112: =pod
8113:
8114: =item * &get_env_multiple($name)
8115:
8116: gets $name from the %env hash, it seemlessly handles the cases where multiple
8117: values may be defined and end up as an array ref.
8118:
8119: returns an array of values
8120:
8121: =cut
8122:
8123: sub get_env_multiple {
8124: my ($name) = @_;
8125: my @values;
8126: if (defined($env{$name})) {
8127: # exists is it an array
8128: if (ref($env{$name})) {
8129: @values=@{ $env{$name} };
8130: } else {
8131: $values[0]=$env{$name};
8132: }
8133: }
8134: return(@values);
8135: }
8136:
8137: sub ask_for_embedded_content {
8138: my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
8139: my $upload_output = '
8140: <form name="upload_embedded" action="'.$actionurl.'"
8141: method="post" enctype="multipart/form-data">';
8142: $upload_output .= $state;
8143: $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
8144:
8145: my $num = 0;
8146: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
8147: $upload_output .= &start_data_table_row().
8148: '<td>'.$embed_file.'</td><td>';
8149: if ($args->{'ignore_remote_references'}
8150: && $embed_file =~ m{^\w+://}) {
8151: $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
8152: } elsif ($args->{'error_on_invalid_names'}
8153: && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
8154:
8155: $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
8156:
8157: } else {
8158: $upload_output .='
8159: <input name="embedded_item_'.$num.'" type="file" value="" />
8160: <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
8161: my $attrib = join(':',@{$$allfiles{$embed_file}});
8162: $upload_output .=
8163: "\n\t\t".
8164: '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
8165: $attrib.'" />';
8166: if (exists($$codebase{$embed_file})) {
8167: $upload_output .=
8168: "\n\t\t".
8169: '<input name="codebase_'.$num.'" type="hidden" value="'.
8170: &escape($$codebase{$embed_file}).'" />';
8171: }
8172: }
8173: $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
8174: $num++;
8175: }
8176: $upload_output .= &Apache::loncommon::end_data_table().'<br />
8177: <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
8178: <input type ="submit" value="'.&mt('Upload Listed Files').'" />
8179: '.&mt('(only files for which a location has been provided will be uploaded)').'
8180: </form>';
8181: return $upload_output;
8182: }
8183:
8184: sub upload_embedded {
8185: my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
8186: $current_disk_usage) = @_;
8187: my $output;
8188: for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
8189: next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
8190: my $orig_uploaded_filename =
8191: $env{'form.embedded_item_'.$i.'.filename'};
8192:
8193: $env{'form.embedded_orig_'.$i} =
8194: &unescape($env{'form.embedded_orig_'.$i});
8195: my ($path,$fname) =
8196: ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
8197: # no path, whole string is fname
8198: if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
8199:
8200: $path = $env{'form.currentpath'}.$path;
8201: $fname = &Apache::lonnet::clean_filename($fname);
8202: # See if there is anything left
8203: next if ($fname eq '');
8204:
8205: # Check if file already exists as a file or directory.
8206: my ($state,$msg);
8207: if ($context eq 'portfolio') {
8208: my $port_path = $dirpath;
8209: if ($group ne '') {
8210: $port_path = "groups/$group/$port_path";
8211: }
8212: ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
8213: $dir_root,$port_path,$disk_quota,
8214: $current_disk_usage,$uname,$udom);
8215: if ($state eq 'will_exceed_quota'
8216: || $state eq 'file_locked'
8217: || $state eq 'file_exists' ) {
8218: $output .= $msg;
8219: next;
8220: }
8221: } elsif (($context eq 'author') || ($context eq 'testbank')) {
8222: ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
8223: if ($state eq 'exists') {
8224: $output .= $msg;
8225: next;
8226: }
8227: }
8228: # Check if extension is valid
8229: if (($fname =~ /\.(\w+)$/) &&
8230: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
8231: $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
8232: next;
8233: } elsif (($fname =~ /\.(\w+)$/) &&
8234: (!defined(&Apache::loncommon::fileembstyle($1)))) {
8235: $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
8236: next;
8237: } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
8238: $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
8239: next;
8240: }
8241:
8242: $env{'form.embedded_item_'.$i.'.filename'}=$fname;
8243: if ($context eq 'portfolio') {
8244: my $result=
8245: &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
8246: $dirpath.$path);
8247: if ($result !~ m|^/uploaded/|) {
8248: $output .= '<span class="LC_error">'
8249: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
8250: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
8251: .'</span><br />';
8252: next;
8253: } else {
8254: $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
8255: $path.$fname.'</span>').'</p>';
8256: }
8257: } else {
8258: # Save the file
8259: my $target = $env{'form.embedded_item_'.$i};
8260: my $fullpath = $dir_root.$dirpath.'/'.$path;
8261: my $dest = $fullpath.$fname;
8262: my $url = $url_root.$dirpath.'/'.$path.$fname;
8263: my @parts=split(/\//,$fullpath);
8264: my $count;
8265: my $filepath = $dir_root;
8266: for ($count=4;$count<=$#parts;$count++) {
8267: $filepath .= "/$parts[$count]";
8268: if ((-e $filepath)!=1) {
8269: mkdir($filepath,0770);
8270: }
8271: }
8272: my $fh;
8273: if (!open($fh,'>'.$dest)) {
8274: &Apache::lonnet::logthis('Failed to create '.$dest);
8275: $output .= '<span class="LC_error">'.
8276: &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
8277: '</span><br />';
8278: } else {
8279: if (!print $fh $env{'form.embedded_item_'.$i}) {
8280: &Apache::lonnet::logthis('Failed to write to '.$dest);
8281: $output .= '<span class="LC_error">'.
8282: &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
8283: '</span><br />';
8284: } else {
8285: if ($context eq 'testbank') {
8286: $output .= &mt('Embedded file uploaded successfully:').
8287: ' <a href="'.$url.'">'.
8288: $orig_uploaded_filename.'</a><br />';
8289: } else {
8290: $output .= '<span class=\"LC_fontsize_large\">'.
8291: &mt('View embedded file: [_1]','<a href="'.$url.'">'.
8292: $orig_uploaded_filename.'</a>').'</span><br />';
8293: }
8294: }
8295: close($fh);
8296: }
8297: }
8298: }
8299: return $output;
8300: }
8301:
8302: sub check_for_existing {
8303: my ($path,$fname,$element) = @_;
8304: my ($state,$msg);
8305: if (-d $path.'/'.$fname) {
8306: $state = 'exists';
8307: $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
8308: } elsif (-e $path.'/'.$fname) {
8309: $state = 'exists';
8310: $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
8311: }
8312: if ($state eq 'exists') {
8313: $msg = '<span class="LC_error">'.$msg.'</span><br />';
8314: }
8315: return ($state,$msg);
8316: }
8317:
8318: sub check_for_upload {
8319: my ($path,$fname,$group,$element,$portfolio_root,$port_path,
8320: $disk_quota,$current_disk_usage,$uname,$udom) = @_;
8321: my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
8322: my $getpropath = 1;
8323: my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
8324: $getpropath);
8325: my $found_file = 0;
8326: my $locked_file = 0;
8327: foreach my $line (@dir_list) {
8328: my ($file_name)=split(/\&/,$line,2);
8329: if ($file_name eq $fname){
8330: $file_name = $path.$file_name;
8331: if ($group ne '') {
8332: $file_name = $group.$file_name;
8333: }
8334: $found_file = 1;
8335: if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
8336: $locked_file = 1;
8337: }
8338: }
8339: }
8340: if (($current_disk_usage + $filesize) > $disk_quota){
8341: my $msg = '<span class="LC_error">'.
8342: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
8343: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
8344: return ('will_exceed_quota',$msg);
8345: } elsif ($found_file) {
8346: if ($locked_file) {
8347: my $msg = '<span class="LC_error">';
8348: $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
8349: $msg .= '</span><br />';
8350: $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
8351: return ('file_locked',$msg);
8352: } else {
8353: my $msg = '<span class="LC_error">';
8354: $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
8355: $msg .= '</span>';
8356: $msg .= '<br />';
8357: $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
8358: return ('file_exists',$msg);
8359: }
8360: }
8361: }
8362:
8363:
8364: =pod
8365:
8366: =back
8367:
8368: =head1 CSV Upload/Handling functions
8369:
8370: =over 4
8371:
8372: =item * &upfile_store($r)
8373:
8374: Store uploaded file, $r should be the HTTP Request object,
8375: needs $env{'form.upfile'}
8376: returns $datatoken to be put into hidden field
8377:
8378: =cut
8379:
8380: sub upfile_store {
8381: my $r=shift;
8382: $env{'form.upfile'}=~s/\r/\n/gs;
8383: $env{'form.upfile'}=~s/\f/\n/gs;
8384: $env{'form.upfile'}=~s/\n+/\n/gs;
8385: $env{'form.upfile'}=~s/\n+$//gs;
8386:
8387: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
8388: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
8389: {
8390: my $datafile = $r->dir_config('lonDaemons').
8391: '/tmp/'.$datatoken.'.tmp';
8392: if ( open(my $fh,">$datafile") ) {
8393: print $fh $env{'form.upfile'};
8394: close($fh);
8395: }
8396: }
8397: return $datatoken;
8398: }
8399:
8400: =pod
8401:
8402: =item * &load_tmp_file($r)
8403:
8404: Load uploaded file from tmp, $r should be the HTTP Request object,
8405: needs $env{'form.datatoken'},
8406: sets $env{'form.upfile'} to the contents of the file
8407:
8408: =cut
8409:
8410: sub load_tmp_file {
8411: my $r=shift;
8412: my @studentdata=();
8413: {
8414: my $studentfile = $r->dir_config('lonDaemons').
8415: '/tmp/'.$env{'form.datatoken'}.'.tmp';
8416: if ( open(my $fh,"<$studentfile") ) {
8417: @studentdata=<$fh>;
8418: close($fh);
8419: }
8420: }
8421: $env{'form.upfile'}=join('',@studentdata);
8422: }
8423:
8424: =pod
8425:
8426: =item * &upfile_record_sep()
8427:
8428: Separate uploaded file into records
8429: returns array of records,
8430: needs $env{'form.upfile'} and $env{'form.upfiletype'}
8431:
8432: =cut
8433:
8434: sub upfile_record_sep {
8435: if ($env{'form.upfiletype'} eq 'xml') {
8436: } else {
8437: my @records;
8438: foreach my $line (split(/\n/,$env{'form.upfile'})) {
8439: if ($line=~/^\s*$/) { next; }
8440: push(@records,$line);
8441: }
8442: return @records;
8443: }
8444: }
8445:
8446: =pod
8447:
8448: =item * &record_sep($record)
8449:
8450: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
8451:
8452: =cut
8453:
8454: sub takeleft {
8455: my $index=shift;
8456: return substr('0000'.$index,-4,4);
8457: }
8458:
8459: sub record_sep {
8460: my $record=shift;
8461: my %components=();
8462: if ($env{'form.upfiletype'} eq 'xml') {
8463: } elsif ($env{'form.upfiletype'} eq 'space') {
8464: my $i=0;
8465: foreach my $field (split(/\s+/,$record)) {
8466: $field=~s/^(\"|\')//;
8467: $field=~s/(\"|\')$//;
8468: $components{&takeleft($i)}=$field;
8469: $i++;
8470: }
8471: } elsif ($env{'form.upfiletype'} eq 'tab') {
8472: my $i=0;
8473: foreach my $field (split(/\t/,$record)) {
8474: $field=~s/^(\"|\')//;
8475: $field=~s/(\"|\')$//;
8476: $components{&takeleft($i)}=$field;
8477: $i++;
8478: }
8479: } else {
8480: my $separator=',';
8481: if ($env{'form.upfiletype'} eq 'semisv') {
8482: $separator=';';
8483: }
8484: my $i=0;
8485: # the character we are looking for to indicate the end of a quote or a record
8486: my $looking_for=$separator;
8487: # do not add the characters to the fields
8488: my $ignore=0;
8489: # we just encountered a separator (or the beginning of the record)
8490: my $just_found_separator=1;
8491: # store the field we are working on here
8492: my $field='';
8493: # work our way through all characters in record
8494: foreach my $character ($record=~/(.)/g) {
8495: if ($character eq $looking_for) {
8496: if ($character ne $separator) {
8497: # Found the end of a quote, again looking for separator
8498: $looking_for=$separator;
8499: $ignore=1;
8500: } else {
8501: # Found a separator, store away what we got
8502: $components{&takeleft($i)}=$field;
8503: $i++;
8504: $just_found_separator=1;
8505: $ignore=0;
8506: $field='';
8507: }
8508: next;
8509: }
8510: # single or double quotation marks after a separator indicate beginning of a quote
8511: # we are now looking for the end of the quote and need to ignore separators
8512: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
8513: $looking_for=$character;
8514: next;
8515: }
8516: # ignore would be true after we reached the end of a quote
8517: if ($ignore) { next; }
8518: if (($just_found_separator) && ($character=~/\s/)) { next; }
8519: $field.=$character;
8520: $just_found_separator=0;
8521: }
8522: # catch the very last entry, since we never encountered the separator
8523: $components{&takeleft($i)}=$field;
8524: }
8525: return %components;
8526: }
8527:
8528: ######################################################
8529: ######################################################
8530:
8531: =pod
8532:
8533: =item * &upfile_select_html()
8534:
8535: Return HTML code to select a file from the users machine and specify
8536: the file type.
8537:
8538: =cut
8539:
8540: ######################################################
8541: ######################################################
8542: sub upfile_select_html {
8543: my %Types = (
8544: csv => &mt('CSV (comma separated values, spreadsheet)'),
8545: semisv => &mt('Semicolon separated values'),
8546: space => &mt('Space separated'),
8547: tab => &mt('Tabulator separated'),
8548: # xml => &mt('HTML/XML'),
8549: );
8550: my $Str = '<input type="file" name="upfile" size="50" />'.
8551: '<br />'.&mt('Type').': <select name="upfiletype">';
8552: foreach my $type (sort(keys(%Types))) {
8553: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
8554: }
8555: $Str .= "</select>\n";
8556: return $Str;
8557: }
8558:
8559: sub get_samples {
8560: my ($records,$toget) = @_;
8561: my @samples=({});
8562: my $got=0;
8563: foreach my $rec (@$records) {
8564: my %temp = &record_sep($rec);
8565: if (! grep(/\S/, values(%temp))) { next; }
8566: if (%temp) {
8567: $samples[$got]=\%temp;
8568: $got++;
8569: if ($got == $toget) { last; }
8570: }
8571: }
8572: return \@samples;
8573: }
8574:
8575: ######################################################
8576: ######################################################
8577:
8578: =pod
8579:
8580: =item * &csv_print_samples($r,$records)
8581:
8582: Prints a table of sample values from each column uploaded $r is an
8583: Apache Request ref, $records is an arrayref from
8584: &Apache::loncommon::upfile_record_sep
8585:
8586: =cut
8587:
8588: ######################################################
8589: ######################################################
8590: sub csv_print_samples {
8591: my ($r,$records) = @_;
8592: my $samples = &get_samples($records,5);
8593:
8594: $r->print(&mt('Samples').'<br />'.&start_data_table().
8595: &start_data_table_header_row());
8596: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
8597: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
8598: $r->print(&end_data_table_header_row());
8599: foreach my $hash (@$samples) {
8600: $r->print(&start_data_table_row());
8601: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
8602: $r->print('<td>');
8603: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
8604: $r->print('</td>');
8605: }
8606: $r->print(&end_data_table_row());
8607: }
8608: $r->print(&end_data_table().'<br />'."\n");
8609: }
8610:
8611: ######################################################
8612: ######################################################
8613:
8614: =pod
8615:
8616: =item * &csv_print_select_table($r,$records,$d)
8617:
8618: Prints a table to create associations between values and table columns.
8619:
8620: $r is an Apache Request ref,
8621: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
8622: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
8623:
8624: =cut
8625:
8626: ######################################################
8627: ######################################################
8628: sub csv_print_select_table {
8629: my ($r,$records,$d) = @_;
8630: my $i=0;
8631: my $samples = &get_samples($records,1);
8632: $r->print(&mt('Associate columns with student attributes.')."\n".
8633: &start_data_table().&start_data_table_header_row().
8634: '<th>'.&mt('Attribute').'</th>'.
8635: '<th>'.&mt('Column').'</th>'.
8636: &end_data_table_header_row()."\n");
8637: foreach my $array_ref (@$d) {
8638: my ($value,$display,$defaultcol)=@{ $array_ref };
8639: $r->print(&start_data_table_row().'<td>'.$display.'</td>');
8640:
8641: $r->print('<td><select name="f'.$i.'"'.
8642: ' onchange="javascript:flip(this.form,'.$i.');">');
8643: $r->print('<option value="none"></option>');
8644: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
8645: $r->print('<option value="'.$sample.'"'.
8646: ($sample eq $defaultcol ? ' selected="selected" ' : '').
8647: '>'.&mt('Column [_1]',($sample+1)).'</option>');
8648: }
8649: $r->print('</select></td>'.&end_data_table_row()."\n");
8650: $i++;
8651: }
8652: $r->print(&end_data_table());
8653: $i--;
8654: return $i;
8655: }
8656:
8657: ######################################################
8658: ######################################################
8659:
8660: =pod
8661:
8662: =item * &csv_samples_select_table($r,$records,$d)
8663:
8664: Prints a table of sample values from the upload and can make associate samples to internal names.
8665:
8666: $r is an Apache Request ref,
8667: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
8668: $d is an array of 2 element arrays (internal name, displayed name)
8669:
8670: =cut
8671:
8672: ######################################################
8673: ######################################################
8674: sub csv_samples_select_table {
8675: my ($r,$records,$d) = @_;
8676: my $i=0;
8677: #
8678: my $max_samples = 5;
8679: my $samples = &get_samples($records,$max_samples);
8680: $r->print(&start_data_table().
8681: &start_data_table_header_row().'<th>'.
8682: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
8683: &end_data_table_header_row());
8684:
8685: foreach my $key (sort(keys(%{ $samples->[0] }))) {
8686: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
8687: ' onchange="javascript:flip(this.form,'.$i.');">');
8688: foreach my $option (@$d) {
8689: my ($value,$display,$defaultcol)=@{ $option };
8690: $r->print('<option value="'.$value.'"'.
8691: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
8692: $display.'</option>');
8693: }
8694: $r->print('</select></td><td>');
8695: foreach my $line (0..($max_samples-1)) {
8696: if (defined($samples->[$line]{$key})) {
8697: $r->print($samples->[$line]{$key}."<br />\n");
8698: }
8699: }
8700: $r->print('</td>'.&end_data_table_row());
8701: $i++;
8702: }
8703: $r->print(&end_data_table());
8704: $i--;
8705: return($i);
8706: }
8707:
8708: ######################################################
8709: ######################################################
8710:
8711: =pod
8712:
8713: =item * &clean_excel_name($name)
8714:
8715: Returns a replacement for $name which does not contain any illegal characters.
8716:
8717: =cut
8718:
8719: ######################################################
8720: ######################################################
8721: sub clean_excel_name {
8722: my ($name) = @_;
8723: $name =~ s/[:\*\?\/\\]//g;
8724: if (length($name) > 31) {
8725: $name = substr($name,0,31);
8726: }
8727: return $name;
8728: }
8729:
8730: =pod
8731:
8732: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
8733:
8734: Returns either 1 or undef
8735:
8736: 1 if the part is to be hidden, undef if it is to be shown
8737:
8738: Arguments are:
8739:
8740: $id the id of the part to be checked
8741: $symb, optional the symb of the resource to check
8742: $udom, optional the domain of the user to check for
8743: $uname, optional the username of the user to check for
8744:
8745: =cut
8746:
8747: sub check_if_partid_hidden {
8748: my ($id,$symb,$udom,$uname) = @_;
8749: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
8750: $symb,$udom,$uname);
8751: my $truth=1;
8752: #if the string starts with !, then the list is the list to show not hide
8753: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
8754: my @hiddenlist=split(/,/,$hiddenparts);
8755: foreach my $checkid (@hiddenlist) {
8756: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
8757: }
8758: return !$truth;
8759: }
8760:
8761:
8762: ############################################################
8763: ############################################################
8764:
8765: =pod
8766:
8767: =back
8768:
8769: =head1 cgi-bin script and graphing routines
8770:
8771: =over 4
8772:
8773: =item * &get_cgi_id()
8774:
8775: Inputs: none
8776:
8777: Returns an id which can be used to pass environment variables
8778: to various cgi-bin scripts. These environment variables will
8779: be removed from the users environment after a given time by
8780: the routine &Apache::lonnet::transfer_profile_to_env.
8781:
8782: =cut
8783:
8784: ############################################################
8785: ############################################################
8786: my $uniq=0;
8787: sub get_cgi_id {
8788: $uniq=($uniq+1)%100000;
8789: return (time.'_'.$$.'_'.$uniq);
8790: }
8791:
8792: ############################################################
8793: ############################################################
8794:
8795: =pod
8796:
8797: =item * &DrawBarGraph()
8798:
8799: Facilitates the plotting of data in a (stacked) bar graph.
8800: Puts plot definition data into the users environment in order for
8801: graph.png to plot it. Returns an <img> tag for the plot.
8802: The bars on the plot are labeled '1','2',...,'n'.
8803:
8804: Inputs:
8805:
8806: =over 4
8807:
8808: =item $Title: string, the title of the plot
8809:
8810: =item $xlabel: string, text describing the X-axis of the plot
8811:
8812: =item $ylabel: string, text describing the Y-axis of the plot
8813:
8814: =item $Max: scalar, the maximum Y value to use in the plot
8815: If $Max is < any data point, the graph will not be rendered.
8816:
8817: =item $colors: array ref holding the colors to be used for the data sets when
8818: they are plotted. If undefined, default values will be used.
8819:
8820: =item $labels: array ref holding the labels to use on the x-axis for the bars.
8821:
8822: =item @Values: An array of array references. Each array reference holds data
8823: to be plotted in a stacked bar chart.
8824:
8825: =item If the final element of @Values is a hash reference the key/value
8826: pairs will be added to the graph definition.
8827:
8828: =back
8829:
8830: Returns:
8831:
8832: An <img> tag which references graph.png and the appropriate identifying
8833: information for the plot.
8834:
8835: =cut
8836:
8837: ############################################################
8838: ############################################################
8839: sub DrawBarGraph {
8840: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
8841: #
8842: if (! defined($colors)) {
8843: $colors = ['#33ff00',
8844: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
8845: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
8846: ];
8847: }
8848: my $extra_settings = {};
8849: if (ref($Values[-1]) eq 'HASH') {
8850: $extra_settings = pop(@Values);
8851: }
8852: #
8853: my $identifier = &get_cgi_id();
8854: my $id = 'cgi.'.$identifier;
8855: if (! @Values || ref($Values[0]) ne 'ARRAY') {
8856: return '';
8857: }
8858: #
8859: my @Labels;
8860: if (defined($labels)) {
8861: @Labels = @$labels;
8862: } else {
8863: for (my $i=0;$i<@{$Values[0]};$i++) {
8864: push (@Labels,$i+1);
8865: }
8866: }
8867: #
8868: my $NumBars = scalar(@{$Values[0]});
8869: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
8870: my %ValuesHash;
8871: my $NumSets=1;
8872: foreach my $array (@Values) {
8873: next if (! ref($array));
8874: $ValuesHash{$id.'.data.'.$NumSets++} =
8875: join(',',@$array);
8876: }
8877: #
8878: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
8879: if ($NumBars < 3) {
8880: $width = 120+$NumBars*32;
8881: $xskip = 1;
8882: $bar_width = 30;
8883: } elsif ($NumBars < 5) {
8884: $width = 120+$NumBars*20;
8885: $xskip = 1;
8886: $bar_width = 20;
8887: } elsif ($NumBars < 10) {
8888: $width = 120+$NumBars*15;
8889: $xskip = 1;
8890: $bar_width = 15;
8891: } elsif ($NumBars <= 25) {
8892: $width = 120+$NumBars*11;
8893: $xskip = 5;
8894: $bar_width = 8;
8895: } elsif ($NumBars <= 50) {
8896: $width = 120+$NumBars*8;
8897: $xskip = 5;
8898: $bar_width = 4;
8899: } else {
8900: $width = 120+$NumBars*8;
8901: $xskip = 5;
8902: $bar_width = 4;
8903: }
8904: #
8905: $Max = 1 if ($Max < 1);
8906: if ( int($Max) < $Max ) {
8907: $Max++;
8908: $Max = int($Max);
8909: }
8910: $Title = '' if (! defined($Title));
8911: $xlabel = '' if (! defined($xlabel));
8912: $ylabel = '' if (! defined($ylabel));
8913: $ValuesHash{$id.'.title'} = &escape($Title);
8914: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
8915: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
8916: $ValuesHash{$id.'.y_max_value'} = $Max;
8917: $ValuesHash{$id.'.NumBars'} = $NumBars;
8918: $ValuesHash{$id.'.NumSets'} = $NumSets;
8919: $ValuesHash{$id.'.PlotType'} = 'bar';
8920: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
8921: $ValuesHash{$id.'.height'} = $height;
8922: $ValuesHash{$id.'.width'} = $width;
8923: $ValuesHash{$id.'.xskip'} = $xskip;
8924: $ValuesHash{$id.'.bar_width'} = $bar_width;
8925: $ValuesHash{$id.'.labels'} = join(',',@Labels);
8926: #
8927: # Deal with other parameters
8928: while (my ($key,$value) = each(%$extra_settings)) {
8929: $ValuesHash{$id.'.'.$key} = $value;
8930: }
8931: #
8932: &Apache::lonnet::appenv(\%ValuesHash);
8933: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
8934: }
8935:
8936: ############################################################
8937: ############################################################
8938:
8939: =pod
8940:
8941: =item * &DrawXYGraph()
8942:
8943: Facilitates the plotting of data in an XY graph.
8944: Puts plot definition data into the users environment in order for
8945: graph.png to plot it. Returns an <img> tag for the plot.
8946:
8947: Inputs:
8948:
8949: =over 4
8950:
8951: =item $Title: string, the title of the plot
8952:
8953: =item $xlabel: string, text describing the X-axis of the plot
8954:
8955: =item $ylabel: string, text describing the Y-axis of the plot
8956:
8957: =item $Max: scalar, the maximum Y value to use in the plot
8958: If $Max is < any data point, the graph will not be rendered.
8959:
8960: =item $colors: Array ref containing the hex color codes for the data to be
8961: plotted in. If undefined, default values will be used.
8962:
8963: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
8964:
8965: =item $Ydata: Array ref containing Array refs.
8966: Each of the contained arrays will be plotted as a separate curve.
8967:
8968: =item %Values: hash indicating or overriding any default values which are
8969: passed to graph.png.
8970: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
8971:
8972: =back
8973:
8974: Returns:
8975:
8976: An <img> tag which references graph.png and the appropriate identifying
8977: information for the plot.
8978:
8979: =cut
8980:
8981: ############################################################
8982: ############################################################
8983: sub DrawXYGraph {
8984: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
8985: #
8986: # Create the identifier for the graph
8987: my $identifier = &get_cgi_id();
8988: my $id = 'cgi.'.$identifier;
8989: #
8990: $Title = '' if (! defined($Title));
8991: $xlabel = '' if (! defined($xlabel));
8992: $ylabel = '' if (! defined($ylabel));
8993: my %ValuesHash =
8994: (
8995: $id.'.title' => &escape($Title),
8996: $id.'.xlabel' => &escape($xlabel),
8997: $id.'.ylabel' => &escape($ylabel),
8998: $id.'.y_max_value'=> $Max,
8999: $id.'.labels' => join(',',@$Xlabels),
9000: $id.'.PlotType' => 'XY',
9001: );
9002: #
9003: if (defined($colors) && ref($colors) eq 'ARRAY') {
9004: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
9005: }
9006: #
9007: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
9008: return '';
9009: }
9010: my $NumSets=1;
9011: foreach my $array (@{$Ydata}){
9012: next if (! ref($array));
9013: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
9014: }
9015: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
9016: #
9017: # Deal with other parameters
9018: while (my ($key,$value) = each(%Values)) {
9019: $ValuesHash{$id.'.'.$key} = $value;
9020: }
9021: #
9022: &Apache::lonnet::appenv(\%ValuesHash);
9023: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
9024: }
9025:
9026: ############################################################
9027: ############################################################
9028:
9029: =pod
9030:
9031: =item * &DrawXYYGraph()
9032:
9033: Facilitates the plotting of data in an XY graph with two Y axes.
9034: Puts plot definition data into the users environment in order for
9035: graph.png to plot it. Returns an <img> tag for the plot.
9036:
9037: Inputs:
9038:
9039: =over 4
9040:
9041: =item $Title: string, the title of the plot
9042:
9043: =item $xlabel: string, text describing the X-axis of the plot
9044:
9045: =item $ylabel: string, text describing the Y-axis of the plot
9046:
9047: =item $colors: Array ref containing the hex color codes for the data to be
9048: plotted in. If undefined, default values will be used.
9049:
9050: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
9051:
9052: =item $Ydata1: The first data set
9053:
9054: =item $Min1: The minimum value of the left Y-axis
9055:
9056: =item $Max1: The maximum value of the left Y-axis
9057:
9058: =item $Ydata2: The second data set
9059:
9060: =item $Min2: The minimum value of the right Y-axis
9061:
9062: =item $Max2: The maximum value of the left Y-axis
9063:
9064: =item %Values: hash indicating or overriding any default values which are
9065: passed to graph.png.
9066: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
9067:
9068: =back
9069:
9070: Returns:
9071:
9072: An <img> tag which references graph.png and the appropriate identifying
9073: information for the plot.
9074:
9075: =cut
9076:
9077: ############################################################
9078: ############################################################
9079: sub DrawXYYGraph {
9080: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
9081: $Ydata2,$Min2,$Max2,%Values)=@_;
9082: #
9083: # Create the identifier for the graph
9084: my $identifier = &get_cgi_id();
9085: my $id = 'cgi.'.$identifier;
9086: #
9087: $Title = '' if (! defined($Title));
9088: $xlabel = '' if (! defined($xlabel));
9089: $ylabel = '' if (! defined($ylabel));
9090: my %ValuesHash =
9091: (
9092: $id.'.title' => &escape($Title),
9093: $id.'.xlabel' => &escape($xlabel),
9094: $id.'.ylabel' => &escape($ylabel),
9095: $id.'.labels' => join(',',@$Xlabels),
9096: $id.'.PlotType' => 'XY',
9097: $id.'.NumSets' => 2,
9098: $id.'.two_axes' => 1,
9099: $id.'.y1_max_value' => $Max1,
9100: $id.'.y1_min_value' => $Min1,
9101: $id.'.y2_max_value' => $Max2,
9102: $id.'.y2_min_value' => $Min2,
9103: );
9104: #
9105: if (defined($colors) && ref($colors) eq 'ARRAY') {
9106: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
9107: }
9108: #
9109: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
9110: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
9111: return '';
9112: }
9113: my $NumSets=1;
9114: foreach my $array ($Ydata1,$Ydata2){
9115: next if (! ref($array));
9116: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
9117: }
9118: #
9119: # Deal with other parameters
9120: while (my ($key,$value) = each(%Values)) {
9121: $ValuesHash{$id.'.'.$key} = $value;
9122: }
9123: #
9124: &Apache::lonnet::appenv(\%ValuesHash);
9125: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
9126: }
9127:
9128: ############################################################
9129: ############################################################
9130:
9131: =pod
9132:
9133: =back
9134:
9135: =head1 Statistics helper routines?
9136:
9137: Bad place for them but what the hell.
9138:
9139: =over 4
9140:
9141: =item * &chartlink()
9142:
9143: Returns a link to the chart for a specific student.
9144:
9145: Inputs:
9146:
9147: =over 4
9148:
9149: =item $linktext: The text of the link
9150:
9151: =item $sname: The students username
9152:
9153: =item $sdomain: The students domain
9154:
9155: =back
9156:
9157: =back
9158:
9159: =cut
9160:
9161: ############################################################
9162: ############################################################
9163: sub chartlink {
9164: my ($linktext, $sname, $sdomain) = @_;
9165: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
9166: '&SelectedStudent='.&escape($sname.':'.$sdomain).
9167: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
9168: '">'.$linktext.'</a>';
9169: }
9170:
9171: #######################################################
9172: #######################################################
9173:
9174: =pod
9175:
9176: =head1 Course Environment Routines
9177:
9178: =over 4
9179:
9180: =item * &restore_course_settings()
9181:
9182: =item * &store_course_settings()
9183:
9184: Restores/Store indicated form parameters from the course environment.
9185: Will not overwrite existing values of the form parameters.
9186:
9187: Inputs:
9188: a scalar describing the data (e.g. 'chart', 'problem_analysis')
9189:
9190: a hash ref describing the data to be stored. For example:
9191:
9192: %Save_Parameters = ('Status' => 'scalar',
9193: 'chartoutputmode' => 'scalar',
9194: 'chartoutputdata' => 'scalar',
9195: 'Section' => 'array',
9196: 'Group' => 'array',
9197: 'StudentData' => 'array',
9198: 'Maps' => 'array');
9199:
9200: Returns: both routines return nothing
9201:
9202: =back
9203:
9204: =cut
9205:
9206: #######################################################
9207: #######################################################
9208: sub store_course_settings {
9209: return &store_settings($env{'request.course.id'},@_);
9210: }
9211:
9212: sub store_settings {
9213: # save to the environment
9214: # appenv the same items, just to be safe
9215: my $udom = $env{'user.domain'};
9216: my $uname = $env{'user.name'};
9217: my ($context,$prefix,$Settings) = @_;
9218: my %SaveHash;
9219: my %AppHash;
9220: while (my ($setting,$type) = each(%$Settings)) {
9221: my $basename = join('.','internal',$context,$prefix,$setting);
9222: my $envname = 'environment.'.$basename;
9223: if (exists($env{'form.'.$setting})) {
9224: # Save this value away
9225: if ($type eq 'scalar' &&
9226: (! exists($env{$envname}) ||
9227: $env{$envname} ne $env{'form.'.$setting})) {
9228: $SaveHash{$basename} = $env{'form.'.$setting};
9229: $AppHash{$envname} = $env{'form.'.$setting};
9230: } elsif ($type eq 'array') {
9231: my $stored_form;
9232: if (ref($env{'form.'.$setting})) {
9233: $stored_form = join(',',
9234: map {
9235: &escape($_);
9236: } sort(@{$env{'form.'.$setting}}));
9237: } else {
9238: $stored_form =
9239: &escape($env{'form.'.$setting});
9240: }
9241: # Determine if the array contents are the same.
9242: if ($stored_form ne $env{$envname}) {
9243: $SaveHash{$basename} = $stored_form;
9244: $AppHash{$envname} = $stored_form;
9245: }
9246: }
9247: }
9248: }
9249: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
9250: $udom,$uname);
9251: if ($put_result !~ /^(ok|delayed)/) {
9252: &Apache::lonnet::logthis('unable to save form parameters, '.
9253: 'got error:'.$put_result);
9254: }
9255: # Make sure these settings stick around in this session, too
9256: &Apache::lonnet::appenv(\%AppHash);
9257: return;
9258: }
9259:
9260: sub restore_course_settings {
9261: return &restore_settings($env{'request.course.id'},@_);
9262: }
9263:
9264: sub restore_settings {
9265: my ($context,$prefix,$Settings) = @_;
9266: while (my ($setting,$type) = each(%$Settings)) {
9267: next if (exists($env{'form.'.$setting}));
9268: my $envname = 'environment.internal.'.$context.'.'.$prefix.
9269: '.'.$setting;
9270: if (exists($env{$envname})) {
9271: if ($type eq 'scalar') {
9272: $env{'form.'.$setting} = $env{$envname};
9273: } elsif ($type eq 'array') {
9274: $env{'form.'.$setting} = [
9275: map {
9276: &unescape($_);
9277: } split(',',$env{$envname})
9278: ];
9279: }
9280: }
9281: }
9282: }
9283:
9284: #######################################################
9285: #######################################################
9286:
9287: =pod
9288:
9289: =head1 Domain E-mail Routines
9290:
9291: =over 4
9292:
9293: =item * &build_recipient_list()
9294:
9295: Build recipient lists for five types of e-mail:
9296: (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
9297: (d) Help requests, (e) Course requests needing approval, generated by
9298: lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
9299: loncoursequeueadmin.pm respectively.
9300:
9301: Inputs:
9302: defmail (scalar - email address of default recipient),
9303: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
9304: defdom (domain for which to retrieve configuration settings),
9305: origmail (scalar - email address of recipient from loncapa.conf,
9306: i.e., predates configuration by DC via domainprefs.pm
9307:
9308: Returns: comma separated list of addresses to which to send e-mail.
9309:
9310: =back
9311:
9312: =cut
9313:
9314: ############################################################
9315: ############################################################
9316: sub build_recipient_list {
9317: my ($defmail,$mailing,$defdom,$origmail) = @_;
9318: my @recipients;
9319: my $otheremails;
9320: my %domconfig =
9321: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
9322: if (ref($domconfig{'contacts'}) eq 'HASH') {
9323: if (exists($domconfig{'contacts'}{$mailing})) {
9324: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
9325: my @contacts = ('adminemail','supportemail');
9326: foreach my $item (@contacts) {
9327: if ($domconfig{'contacts'}{$mailing}{$item}) {
9328: my $addr = $domconfig{'contacts'}{$item};
9329: if (!grep(/^\Q$addr\E$/,@recipients)) {
9330: push(@recipients,$addr);
9331: }
9332: }
9333: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
9334: }
9335: }
9336: } elsif ($origmail ne '') {
9337: push(@recipients,$origmail);
9338: }
9339: } elsif ($origmail ne '') {
9340: push(@recipients,$origmail);
9341: }
9342: if (defined($defmail)) {
9343: if ($defmail ne '') {
9344: push(@recipients,$defmail);
9345: }
9346: }
9347: if ($otheremails) {
9348: my @others;
9349: if ($otheremails =~ /,/) {
9350: @others = split(/,/,$otheremails);
9351: } else {
9352: push(@others,$otheremails);
9353: }
9354: foreach my $addr (@others) {
9355: if (!grep(/^\Q$addr\E$/,@recipients)) {
9356: push(@recipients,$addr);
9357: }
9358: }
9359: }
9360: my $recipientlist = join(',',@recipients);
9361: return $recipientlist;
9362: }
9363:
9364: ############################################################
9365: ############################################################
9366:
9367: =pod
9368:
9369: =head1 Course Catalog Routines
9370:
9371: =over 4
9372:
9373: =item * &gather_categories()
9374:
9375: Converts category definitions - keys of categories hash stored in
9376: coursecategories in configuration.db on the primary library server in a
9377: domain - to an array. Also generates javascript and idx hash used to
9378: generate Domain Coordinator interface for editing Course Categories.
9379:
9380: Inputs:
9381:
9382: categories (reference to hash of category definitions).
9383:
9384: cats (reference to array of arrays/hashes which encapsulates hierarchy of
9385: categories and subcategories).
9386:
9387: idx (reference to hash of counters used in Domain Coordinator interface for
9388: editing Course Categories).
9389:
9390: jsarray (reference to array of categories used to create Javascript arrays for
9391: Domain Coordinator interface for editing Course Categories).
9392:
9393: Returns: nothing
9394:
9395: Side effects: populates cats, idx and jsarray.
9396:
9397: =cut
9398:
9399: sub gather_categories {
9400: my ($categories,$cats,$idx,$jsarray) = @_;
9401: my %counters;
9402: my $num = 0;
9403: foreach my $item (keys(%{$categories})) {
9404: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
9405: if ($container eq '' && $depth == 0) {
9406: $cats->[$depth][$categories->{$item}] = $cat;
9407: } else {
9408: $cats->[$depth]{$container}[$categories->{$item}] = $cat;
9409: }
9410: my ($escitem,$tail) = split(/:/,$item,2);
9411: if ($counters{$tail} eq '') {
9412: $counters{$tail} = $num;
9413: $num ++;
9414: }
9415: if (ref($idx) eq 'HASH') {
9416: $idx->{$item} = $counters{$tail};
9417: }
9418: if (ref($jsarray) eq 'ARRAY') {
9419: push(@{$jsarray->[$counters{$tail}]},$item);
9420: }
9421: }
9422: return;
9423: }
9424:
9425: =pod
9426:
9427: =item * &extract_categories()
9428:
9429: Used to generate breadcrumb trails for course categories.
9430:
9431: Inputs:
9432:
9433: categories (reference to hash of category definitions).
9434:
9435: cats (reference to array of arrays/hashes which encapsulates hierarchy of
9436: categories and subcategories).
9437:
9438: trails (reference to array of breacrumb trails for each category).
9439:
9440: allitems (reference to hash - key is category key
9441: (format: escaped(name):escaped(parent category):depth in hierarchy).
9442:
9443: idx (reference to hash of counters used in Domain Coordinator interface for
9444: editing Course Categories).
9445:
9446: jsarray (reference to array of categories used to create Javascript arrays for
9447: Domain Coordinator interface for editing Course Categories).
9448:
9449: subcats (reference to hash of arrays containing all subcategories within each
9450: category, -recursive)
9451:
9452: Returns: nothing
9453:
9454: Side effects: populates trails and allitems hash references.
9455:
9456: =cut
9457:
9458: sub extract_categories {
9459: my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
9460: if (ref($categories) eq 'HASH') {
9461: &gather_categories($categories,$cats,$idx,$jsarray);
9462: if (ref($cats->[0]) eq 'ARRAY') {
9463: for (my $i=0; $i<@{$cats->[0]}; $i++) {
9464: my $name = $cats->[0][$i];
9465: my $item = &escape($name).'::0';
9466: my $trailstr;
9467: if ($name eq 'instcode') {
9468: $trailstr = &mt('Official courses (with institutional codes)');
9469: } else {
9470: $trailstr = $name;
9471: }
9472: if ($allitems->{$item} eq '') {
9473: push(@{$trails},$trailstr);
9474: $allitems->{$item} = scalar(@{$trails})-1;
9475: }
9476: my @parents = ($name);
9477: if (ref($cats->[1]{$name}) eq 'ARRAY') {
9478: for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
9479: my $category = $cats->[1]{$name}[$j];
9480: if (ref($subcats) eq 'HASH') {
9481: push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
9482: }
9483: &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
9484: }
9485: } else {
9486: if (ref($subcats) eq 'HASH') {
9487: $subcats->{$item} = [];
9488: }
9489: }
9490: }
9491: }
9492: }
9493: return;
9494: }
9495:
9496: =pod
9497:
9498: =item *&recurse_categories()
9499:
9500: Recursively used to generate breadcrumb trails for course categories.
9501:
9502: Inputs:
9503:
9504: cats (reference to array of arrays/hashes which encapsulates hierarchy of
9505: categories and subcategories).
9506:
9507: depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
9508:
9509: category (current course category, for which breadcrumb trail is being generated).
9510:
9511: trails (reference to array of breadcrumb trails for each category).
9512:
9513: allitems (reference to hash - key is category key
9514: (format: escaped(name):escaped(parent category):depth in hierarchy).
9515:
9516: parents (array containing containers directories for current category,
9517: back to top level).
9518:
9519: Returns: nothing
9520:
9521: Side effects: populates trails and allitems hash references
9522:
9523: =cut
9524:
9525: sub recurse_categories {
9526: my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
9527: my $shallower = $depth - 1;
9528: if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
9529: for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
9530: my $name = $cats->[$depth]{$category}[$k];
9531: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
9532: my $trailstr = join(' -> ',(@{$parents},$category));
9533: if ($allitems->{$item} eq '') {
9534: push(@{$trails},$trailstr);
9535: $allitems->{$item} = scalar(@{$trails})-1;
9536: }
9537: my $deeper = $depth+1;
9538: push(@{$parents},$category);
9539: if (ref($subcats) eq 'HASH') {
9540: my $subcat = &escape($name).':'.$category.':'.$depth;
9541: for (my $j=@{$parents}; $j>=0; $j--) {
9542: my $higher;
9543: if ($j > 0) {
9544: $higher = &escape($parents->[$j]).':'.
9545: &escape($parents->[$j-1]).':'.$j;
9546: } else {
9547: $higher = &escape($parents->[$j]).'::'.$j;
9548: }
9549: push(@{$subcats->{$higher}},$subcat);
9550: }
9551: }
9552: &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
9553: $subcats);
9554: pop(@{$parents});
9555: }
9556: } else {
9557: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
9558: my $trailstr = join(' -> ',(@{$parents},$category));
9559: if ($allitems->{$item} eq '') {
9560: push(@{$trails},$trailstr);
9561: $allitems->{$item} = scalar(@{$trails})-1;
9562: }
9563: }
9564: return;
9565: }
9566:
9567: =pod
9568:
9569: =item *&assign_categories_table()
9570:
9571: Create a datatable for display of hierarchical categories in a domain,
9572: with checkboxes to allow a course to be categorized.
9573:
9574: Inputs:
9575:
9576: cathash - reference to hash of categories defined for the domain (from
9577: configuration.db)
9578:
9579: currcat - scalar with an & separated list of categories assigned to a course.
9580:
9581: Returns: $output (markup to be displayed)
9582:
9583: =cut
9584:
9585: sub assign_categories_table {
9586: my ($cathash,$currcat) = @_;
9587: my $output;
9588: if (ref($cathash) eq 'HASH') {
9589: my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
9590: &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
9591: $maxdepth = scalar(@cats);
9592: if (@cats > 0) {
9593: my $itemcount = 0;
9594: if (ref($cats[0]) eq 'ARRAY') {
9595: $output = &Apache::loncommon::start_data_table();
9596: my @currcategories;
9597: if ($currcat ne '') {
9598: @currcategories = split('&',$currcat);
9599: }
9600: for (my $i=0; $i<@{$cats[0]}; $i++) {
9601: my $parent = $cats[0][$i];
9602: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
9603: next if ($parent eq 'instcode');
9604: my $item = &escape($parent).'::0';
9605: my $checked = '';
9606: if (@currcategories > 0) {
9607: if (grep(/^\Q$item\E$/,@currcategories)) {
9608: $checked = ' checked="checked"';
9609: }
9610: }
9611: $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
9612: '<input type="checkbox" name="usecategory" value="'.
9613: $item.'"'.$checked.' />'.$parent.'</span>'.
9614: '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
9615: my $depth = 1;
9616: push(@path,$parent);
9617: $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
9618: pop(@path);
9619: $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
9620: $itemcount ++;
9621: }
9622: $output .= &Apache::loncommon::end_data_table();
9623: }
9624: }
9625: }
9626: return $output;
9627: }
9628:
9629: =pod
9630:
9631: =item *&assign_category_rows()
9632:
9633: Create a datatable row for display of nested categories in a domain,
9634: with checkboxes to allow a course to be categorized,called recursively.
9635:
9636: Inputs:
9637:
9638: itemcount - track row number for alternating colors
9639:
9640: cats - reference to array of arrays/hashes which encapsulates hierarchy of
9641: categories and subcategories.
9642:
9643: depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
9644:
9645: parent - parent of current category item
9646:
9647: path - Array containing all categories back up through the hierarchy from the
9648: current category to the top level.
9649:
9650: currcategories - reference to array of current categories assigned to the course
9651:
9652: Returns: $output (markup to be displayed).
9653:
9654: =cut
9655:
9656: sub assign_category_rows {
9657: my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
9658: my ($text,$name,$item,$chgstr);
9659: if (ref($cats) eq 'ARRAY') {
9660: my $maxdepth = scalar(@{$cats});
9661: if (ref($cats->[$depth]) eq 'HASH') {
9662: if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
9663: my $numchildren = @{$cats->[$depth]{$parent}};
9664: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
9665: $text .= '<td><table class="LC_datatable">';
9666: for (my $j=0; $j<$numchildren; $j++) {
9667: $name = $cats->[$depth]{$parent}[$j];
9668: $item = &escape($name).':'.&escape($parent).':'.$depth;
9669: my $deeper = $depth+1;
9670: my $checked = '';
9671: if (ref($currcategories) eq 'ARRAY') {
9672: if (@{$currcategories} > 0) {
9673: if (grep(/^\Q$item\E$/,@{$currcategories})) {
9674: $checked = ' checked="checked"';
9675: }
9676: }
9677: }
9678: $text .= '<tr><td><span class="LC_nobreak"><label>'.
9679: '<input type="checkbox" name="usecategory" value="'.
9680: $item.'"'.$checked.' />'.$name.'</label></span>'.
9681: '<input type="hidden" name="catname" value="'.$name.'" />'.
9682: '</td><td>';
9683: if (ref($path) eq 'ARRAY') {
9684: push(@{$path},$name);
9685: $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
9686: pop(@{$path});
9687: }
9688: $text .= '</td></tr>';
9689: }
9690: $text .= '</table></td>';
9691: }
9692: }
9693: }
9694: return $text;
9695: }
9696:
9697: ############################################################
9698: ############################################################
9699:
9700:
9701: sub commit_customrole {
9702: my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
9703: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
9704: ($start?', '.&mt('starting').' '.localtime($start):'').
9705: ($end?', ending '.localtime($end):'').': <b>'.
9706: &Apache::lonnet::assigncustomrole(
9707: $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
9708: '</b><br />';
9709: return $output;
9710: }
9711:
9712: sub commit_standardrole {
9713: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
9714: my ($output,$logmsg,$linefeed);
9715: if ($context eq 'auto') {
9716: $linefeed = "\n";
9717: } else {
9718: $linefeed = "<br />\n";
9719: }
9720: if ($three eq 'st') {
9721: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
9722: $one,$two,$sec,$context);
9723: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
9724: ($result eq 'unknown_course') || ($result eq 'refused')) {
9725: $output = $logmsg.' '.&mt('Error: ').$result."\n";
9726: } else {
9727: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
9728: ($start?', '.&mt('starting').' '.localtime($start):'').
9729: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
9730: if ($context eq 'auto') {
9731: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
9732: } else {
9733: $output .= '<b>'.$result.'</b>'.$linefeed.
9734: &mt('Add to classlist').': <b>ok</b>';
9735: }
9736: $output .= $linefeed;
9737: }
9738: } else {
9739: $output = &mt('Assigning').' '.$three.' in '.$url.
9740: ($start?', '.&mt('starting').' '.localtime($start):'').
9741: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
9742: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
9743: if ($context eq 'auto') {
9744: $output .= $result.$linefeed;
9745: } else {
9746: $output .= '<b>'.$result.'</b>'.$linefeed;
9747: }
9748: }
9749: return $output;
9750: }
9751:
9752: sub commit_studentrole {
9753: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
9754: my ($result,$linefeed,$oldsecurl,$newsecurl);
9755: if ($context eq 'auto') {
9756: $linefeed = "\n";
9757: } else {
9758: $linefeed = '<br />'."\n";
9759: }
9760: if (defined($one) && defined($two)) {
9761: my $cid=$one.'_'.$two;
9762: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
9763: my $secchange = 0;
9764: my $expire_role_result;
9765: my $modify_section_result;
9766: if ($oldsec ne '-1') {
9767: if ($oldsec ne $sec) {
9768: $secchange = 1;
9769: my $now = time;
9770: my $uurl='/'.$cid;
9771: $uurl=~s/\_/\//g;
9772: if ($oldsec) {
9773: $uurl.='/'.$oldsec;
9774: }
9775: $oldsecurl = $uurl;
9776: $expire_role_result =
9777: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
9778: if ($env{'request.course.sec'} ne '') {
9779: if ($expire_role_result eq 'refused') {
9780: my @roles = ('st');
9781: my @statuses = ('previous');
9782: my @roledoms = ($one);
9783: my $withsec = 1;
9784: my %roleshash =
9785: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
9786: \@statuses,\@roles,\@roledoms,$withsec);
9787: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
9788: my ($oldstart,$oldend) =
9789: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
9790: if ($oldend > 0 && $oldend <= $now) {
9791: $expire_role_result = 'ok';
9792: }
9793: }
9794: }
9795: }
9796: $result = $expire_role_result;
9797: }
9798: }
9799: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
9800: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
9801: if ($modify_section_result =~ /^ok/) {
9802: if ($secchange == 1) {
9803: if ($sec eq '') {
9804: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
9805: } else {
9806: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
9807: }
9808: } elsif ($oldsec eq '-1') {
9809: if ($sec eq '') {
9810: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
9811: } else {
9812: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
9813: }
9814: } else {
9815: if ($sec eq '') {
9816: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
9817: } else {
9818: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
9819: }
9820: }
9821: } else {
9822: if ($secchange) {
9823: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
9824: } else {
9825: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
9826: }
9827: }
9828: $result = $modify_section_result;
9829: } elsif ($secchange == 1) {
9830: if ($oldsec eq '') {
9831: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
9832: } else {
9833: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
9834: }
9835: if ($expire_role_result eq 'refused') {
9836: my $newsecurl = '/'.$cid;
9837: $newsecurl =~ s/\_/\//g;
9838: if ($sec ne '') {
9839: $newsecurl.='/'.$sec;
9840: }
9841: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
9842: if ($sec eq '') {
9843: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
9844: } else {
9845: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
9846: }
9847: }
9848: }
9849: }
9850: } else {
9851: $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
9852: $result = "error: incomplete course id\n";
9853: }
9854: return $result;
9855: }
9856:
9857: ############################################################
9858: ############################################################
9859:
9860: sub check_clone {
9861: my ($args,$linefeed) = @_;
9862: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
9863: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
9864: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
9865: my $clonemsg;
9866: my $can_clone = 0;
9867:
9868: if ($clonehome eq 'no_host') {
9869: $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
9870: } else {
9871: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
9872: if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
9873: (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
9874: $can_clone = 1;
9875: } else {
9876: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
9877: $args->{'clonedomain'},$args->{'clonecourse'});
9878: my @cloners = split(/,/,$clonehash{'cloners'});
9879: if (grep(/^\*$/,@cloners)) {
9880: $can_clone = 1;
9881: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
9882: $can_clone = 1;
9883: } else {
9884: my %roleshash =
9885: &Apache::lonnet::get_my_roles($args->{'ccuname'},
9886: $args->{'ccdomain'},
9887: 'userroles',['active'],['cc'],
9888: [$args->{'clonedomain'}]);
9889: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':cc'}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
9890: $can_clone = 1;
9891: } else {
9892: $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
9893: }
9894: }
9895: }
9896: }
9897: return ($can_clone, $clonemsg, $cloneid, $clonehome);
9898: }
9899:
9900: sub construct_course {
9901: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_;
9902: my $outcome;
9903: my $linefeed = '<br />'."\n";
9904: if ($context eq 'auto') {
9905: $linefeed = "\n";
9906: }
9907:
9908: #
9909: # Are we cloning?
9910: #
9911: my ($can_clone, $clonemsg, $cloneid, $clonehome);
9912: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
9913: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
9914: if ($context ne 'auto') {
9915: if ($clonemsg ne '') {
9916: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
9917: }
9918: }
9919: $outcome .= $clonemsg.$linefeed;
9920:
9921: if (!$can_clone) {
9922: return (0,$outcome);
9923: }
9924: }
9925:
9926: #
9927: # Open course
9928: #
9929: my $crstype = lc($args->{'crstype'});
9930: my %cenv=();
9931: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
9932: $args->{'cdescr'},
9933: $args->{'curl'},
9934: $args->{'course_home'},
9935: $args->{'nonstandard'},
9936: $args->{'crscode'},
9937: $args->{'ccuname'}.':'.
9938: $args->{'ccdomain'},
9939: $args->{'crstype'},
9940: $cnum,$context,$category);
9941:
9942: # Note: The testing routines depend on this being output; see
9943: # Utils::Course. This needs to at least be output as a comment
9944: # if anyone ever decides to not show this, and Utils::Course::new
9945: # will need to be suitably modified.
9946: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
9947: #
9948: # Check if created correctly
9949: #
9950: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
9951: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
9952: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
9953:
9954: #
9955: # Do the cloning
9956: #
9957: if ($can_clone && $cloneid) {
9958: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
9959: if ($context ne 'auto') {
9960: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
9961: }
9962: $outcome .= $clonemsg.$linefeed;
9963: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
9964: # Copy all files
9965: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
9966: # Restore URL
9967: $cenv{'url'}=$oldcenv{'url'};
9968: # Restore title
9969: $cenv{'description'}=$oldcenv{'description'};
9970: # Mark as cloned
9971: $cenv{'clonedfrom'}=$cloneid;
9972: # Need to clone grading mode
9973: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
9974: $cenv{'grading'}=$newenv{'grading'};
9975: # Do not clone these environment entries
9976: &Apache::lonnet::del('environment',
9977: ['default_enrollment_start_date',
9978: 'default_enrollment_end_date',
9979: 'question.email',
9980: 'policy.email',
9981: 'comment.email',
9982: 'pch.users.denied',
9983: 'plc.users.denied',
9984: 'hidefromcat',
9985: 'categories'],
9986: $$crsudom,$$crsunum);
9987: }
9988:
9989: #
9990: # Set environment (will override cloned, if existing)
9991: #
9992: my @sections = ();
9993: my @xlists = ();
9994: if ($args->{'crstype'}) {
9995: $cenv{'type'}=$args->{'crstype'};
9996: }
9997: if ($args->{'crsid'}) {
9998: $cenv{'courseid'}=$args->{'crsid'};
9999: }
10000: if ($args->{'crscode'}) {
10001: $cenv{'internal.coursecode'}=$args->{'crscode'};
10002: }
10003: if ($args->{'crsquota'} ne '') {
10004: $cenv{'internal.coursequota'}=$args->{'crsquota'};
10005: } else {
10006: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
10007: }
10008: if ($args->{'ccuname'}) {
10009: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
10010: ':'.$args->{'ccdomain'};
10011: } else {
10012: $cenv{'internal.courseowner'} = $args->{'curruser'};
10013: }
10014: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
10015: if ($args->{'crssections'}) {
10016: $cenv{'internal.sectionnums'} = '';
10017: if ($args->{'crssections'} =~ m/,/) {
10018: @sections = split/,/,$args->{'crssections'};
10019: } else {
10020: $sections[0] = $args->{'crssections'};
10021: }
10022: if (@sections > 0) {
10023: foreach my $item (@sections) {
10024: my ($sec,$gp) = split/:/,$item;
10025: my $class = $args->{'crscode'}.$sec;
10026: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
10027: $cenv{'internal.sectionnums'} .= $item.',';
10028: unless ($addcheck eq 'ok') {
10029: push @badclasses, $class;
10030: }
10031: }
10032: $cenv{'internal.sectionnums'} =~ s/,$//;
10033: }
10034: }
10035: # do not hide course coordinator from staff listing,
10036: # even if privileged
10037: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10038: # add crosslistings
10039: if ($args->{'crsxlist'}) {
10040: $cenv{'internal.crosslistings'}='';
10041: if ($args->{'crsxlist'} =~ m/,/) {
10042: @xlists = split/,/,$args->{'crsxlist'};
10043: } else {
10044: $xlists[0] = $args->{'crsxlist'};
10045: }
10046: if (@xlists > 0) {
10047: foreach my $item (@xlists) {
10048: my ($xl,$gp) = split/:/,$item;
10049: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
10050: $cenv{'internal.crosslistings'} .= $item.',';
10051: unless ($addcheck eq 'ok') {
10052: push @badclasses, $xl;
10053: }
10054: }
10055: $cenv{'internal.crosslistings'} =~ s/,$//;
10056: }
10057: }
10058: if ($args->{'autoadds'}) {
10059: $cenv{'internal.autoadds'}=$args->{'autoadds'};
10060: }
10061: if ($args->{'autodrops'}) {
10062: $cenv{'internal.autodrops'}=$args->{'autodrops'};
10063: }
10064: # check for notification of enrollment changes
10065: my @notified = ();
10066: if ($args->{'notify_owner'}) {
10067: if ($args->{'ccuname'} ne '') {
10068: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
10069: }
10070: }
10071: if ($args->{'notify_dc'}) {
10072: if ($uname ne '') {
10073: push(@notified,$uname.':'.$udom);
10074: }
10075: }
10076: if (@notified > 0) {
10077: my $notifylist;
10078: if (@notified > 1) {
10079: $notifylist = join(',',@notified);
10080: } else {
10081: $notifylist = $notified[0];
10082: }
10083: $cenv{'internal.notifylist'} = $notifylist;
10084: }
10085: if (@badclasses > 0) {
10086: my %lt=&Apache::lonlocal::texthash(
10087: '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',
10088: 'dnhr' => 'does not have rights to access enrollment in these classes',
10089: 'adby' => 'as determined by the policies of your institution on access to official classlists'
10090: );
10091: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
10092: ' ('.$lt{'adby'}.')';
10093: if ($context eq 'auto') {
10094: $outcome .= $badclass_msg.$linefeed;
10095: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
10096: foreach my $item (@badclasses) {
10097: if ($context eq 'auto') {
10098: $outcome .= " - $item\n";
10099: } else {
10100: $outcome .= "<li>$item</li>\n";
10101: }
10102: }
10103: if ($context eq 'auto') {
10104: $outcome .= $linefeed;
10105: } else {
10106: $outcome .= "</ul><br /><br /></div>\n";
10107: }
10108: }
10109: }
10110: if ($args->{'no_end_date'}) {
10111: $args->{'endaccess'} = 0;
10112: }
10113: $cenv{'internal.autostart'}=$args->{'enrollstart'};
10114: $cenv{'internal.autoend'}=$args->{'enrollend'};
10115: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
10116: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
10117: if ($args->{'showphotos'}) {
10118: $cenv{'internal.showphotos'}=$args->{'showphotos'};
10119: }
10120: $cenv{'internal.authtype'} = $args->{'authtype'};
10121: $cenv{'internal.autharg'} = $args->{'autharg'};
10122: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
10123: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
10124: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
10125: if ($context eq 'auto') {
10126: $outcome .= $krb_msg;
10127: } else {
10128: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
10129: }
10130: $outcome .= $linefeed;
10131: }
10132: }
10133: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
10134: if ($args->{'setpolicy'}) {
10135: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10136: }
10137: if ($args->{'setcontent'}) {
10138: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10139: }
10140: }
10141: if ($args->{'reshome'}) {
10142: $cenv{'reshome'}=$args->{'reshome'}.'/';
10143: $cenv{'reshome'}=~s/\/+$/\//;
10144: }
10145: #
10146: # course has keyed access
10147: #
10148: if ($args->{'setkeys'}) {
10149: $cenv{'keyaccess'}='yes';
10150: }
10151: # if specified, key authority is not course, but user
10152: # only active if keyaccess is yes
10153: if ($args->{'keyauth'}) {
10154: my ($user,$domain) = split(':',$args->{'keyauth'});
10155: $user = &LONCAPA::clean_username($user);
10156: $domain = &LONCAPA::clean_username($domain);
10157: if ($user ne '' && $domain ne '') {
10158: $cenv{'keyauth'}=$user.':'.$domain;
10159: }
10160: }
10161:
10162: if ($args->{'disresdis'}) {
10163: $cenv{'pch.roles.denied'}='st';
10164: }
10165: if ($args->{'disablechat'}) {
10166: $cenv{'plc.roles.denied'}='st';
10167: }
10168:
10169: # Record we've not yet viewed the Course Initialization Helper for this
10170: # course
10171: $cenv{'course.helper.not.run'} = 1;
10172: #
10173: # Use new Randomseed
10174: #
10175: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
10176: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
10177: #
10178: # The encryption code and receipt prefix for this course
10179: #
10180: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
10181: $cenv{'internal.encpref'}=100+int(9*rand(99));
10182: #
10183: # By default, use standard grading
10184: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
10185:
10186: $outcome .= $linefeed.&mt('Setting environment').': '.
10187: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
10188: #
10189: # Open all assignments
10190: #
10191: if ($args->{'openall'}) {
10192: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
10193: my %storecontent = ($storeunder => time,
10194: $storeunder.'.type' => 'date_start');
10195:
10196: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
10197: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
10198: }
10199: #
10200: # Set first page
10201: #
10202: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
10203: || ($cloneid)) {
10204: use LONCAPA::map;
10205: $outcome .= &mt('Setting first resource').': ';
10206:
10207: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
10208: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
10209:
10210: $outcome .= ($fatal?$errtext:'read ok').' - ';
10211: my $title; my $url;
10212: if ($args->{'firstres'} eq 'syl') {
10213: $title=&mt('Syllabus');
10214: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
10215: } else {
10216: $title=&mt('Navigate Contents');
10217: $url='/adm/navmaps';
10218: }
10219:
10220: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
10221: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
10222:
10223: if ($errtext) { $fatal=2; }
10224: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
10225: }
10226:
10227: return (1,$outcome);
10228: }
10229:
10230: ############################################################
10231: ############################################################
10232:
10233: sub course_type {
10234: my ($cid) = @_;
10235: if (!defined($cid)) {
10236: $cid = $env{'request.course.id'};
10237: }
10238: if (defined($env{'course.'.$cid.'.type'})) {
10239: return $env{'course.'.$cid.'.type'};
10240: } else {
10241: return 'Course';
10242: }
10243: }
10244:
10245: sub group_term {
10246: my $crstype = &course_type();
10247: my %names = (
10248: 'Course' => 'group',
10249: 'Community' => 'group',
10250: );
10251: return $names{$crstype};
10252: }
10253:
10254: sub icon {
10255: my ($file)=@_;
10256: my $curfext = lc((split(/\./,$file))[-1]);
10257: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
10258: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
10259: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
10260: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
10261: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
10262: $curfext.".gif") {
10263: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
10264: $curfext.".gif";
10265: }
10266: }
10267: return &lonhttpdurl($iconname);
10268: }
10269:
10270: sub lonhttpdurl {
10271: #
10272: # Had been used for "small fry" static images on separate port 8080.
10273: # Modify here if lightweight http functionality desired again.
10274: # Currently eliminated due to increasing firewall issues.
10275: #
10276: my ($url)=@_;
10277: return $url;
10278: }
10279:
10280: sub connection_aborted {
10281: my ($r)=@_;
10282: $r->print(" ");$r->rflush();
10283: my $c = $r->connection;
10284: return $c->aborted();
10285: }
10286:
10287: # Escapes strings that may have embedded 's that will be put into
10288: # strings as 'strings'.
10289: sub escape_single {
10290: my ($input) = @_;
10291: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
10292: $input =~ s/\'/\\\'/g; # Esacpe the 's....
10293: return $input;
10294: }
10295:
10296: # Same as escape_single, but escape's "'s This
10297: # can be used for "strings"
10298: sub escape_double {
10299: my ($input) = @_;
10300: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
10301: $input =~ s/\"/\\\"/g; # Esacpe the "s....
10302: return $input;
10303: }
10304:
10305: # Escapes the last element of a full URL.
10306: sub escape_url {
10307: my ($url) = @_;
10308: my @urlslices = split(/\//, $url,-1);
10309: my $lastitem = &escape(pop(@urlslices));
10310: return join('/',@urlslices).'/'.$lastitem;
10311: }
10312:
10313: sub compare_arrays {
10314: my ($arrayref1,$arrayref2) = @_;
10315: my (@difference,%count);
10316: @difference = ();
10317: %count = ();
10318: if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
10319: foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
10320: foreach my $element (keys(%count)) {
10321: if ($count{$element} == 1) {
10322: push(@difference,$element);
10323: }
10324: }
10325: }
10326: return @difference;
10327: }
10328:
10329: # -------------------------------------------------------- Initialize user login
10330: sub init_user_environment {
10331: my ($r, $username, $domain, $authhost, $form, $args) = @_;
10332: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
10333:
10334: my $public=($username eq 'public' && $domain eq 'public');
10335:
10336: # See if old ID present, if so, remove
10337:
10338: my ($filename,$cookie,$userroles);
10339: my $now=time;
10340:
10341: if ($public) {
10342: my $max_public=100;
10343: my $oldest;
10344: my $oldest_time=0;
10345: for(my $next=1;$next<=$max_public;$next++) {
10346: if (-e $lonids."/publicuser_$next.id") {
10347: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
10348: if ($mtime<$oldest_time || !$oldest_time) {
10349: $oldest_time=$mtime;
10350: $oldest=$next;
10351: }
10352: } else {
10353: $cookie="publicuser_$next";
10354: last;
10355: }
10356: }
10357: if (!$cookie) { $cookie="publicuser_$oldest"; }
10358: } else {
10359: # if this isn't a robot, kill any existing non-robot sessions
10360: if (!$args->{'robot'}) {
10361: opendir(DIR,$lonids);
10362: while ($filename=readdir(DIR)) {
10363: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
10364: unlink($lonids.'/'.$filename);
10365: }
10366: }
10367: closedir(DIR);
10368: }
10369: # Give them a new cookie
10370: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
10371: : $now.$$.int(rand(10000)));
10372: $cookie="$username\_$id\_$domain\_$authhost";
10373:
10374: # Initialize roles
10375:
10376: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
10377: }
10378: # ------------------------------------ Check browser type and MathML capability
10379:
10380: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
10381: $clientunicode,$clientos) = &decode_user_agent($r);
10382:
10383: # ------------------------------------------------------------- Get environment
10384:
10385: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
10386: my ($tmp) = keys(%userenv);
10387: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
10388: # default remote control to off
10389: if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; }
10390: } else {
10391: undef(%userenv);
10392: }
10393: if (($userenv{'interface'}) && (!$form->{'interface'})) {
10394: $form->{'interface'}=$userenv{'interface'};
10395: }
10396: $env{'environment.remote'}=$userenv{'remote'};
10397: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
10398:
10399: # --------------- Do not trust query string to be put directly into environment
10400: foreach my $option ('interface','localpath','localres') {
10401: $form->{$option}=~s/[\n\r\=]//gs;
10402: }
10403: # --------------------------------------------------------- Write first profile
10404:
10405: {
10406: my %initial_env =
10407: ("user.name" => $username,
10408: "user.domain" => $domain,
10409: "user.home" => $authhost,
10410: "browser.type" => $clientbrowser,
10411: "browser.version" => $clientversion,
10412: "browser.mathml" => $clientmathml,
10413: "browser.unicode" => $clientunicode,
10414: "browser.os" => $clientos,
10415: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
10416: "request.course.fn" => '',
10417: "request.course.uri" => '',
10418: "request.course.sec" => '',
10419: "request.role" => 'cm',
10420: "request.role.adv" => $env{'user.adv'},
10421: "request.host" => $ENV{'REMOTE_ADDR'},);
10422:
10423: if ($form->{'localpath'}) {
10424: $initial_env{"browser.localpath"} = $form->{'localpath'};
10425: $initial_env{"browser.localres"} = $form->{'localres'};
10426: }
10427:
10428: if ($public) {
10429: $initial_env{"environment.remote"} = "off";
10430: }
10431: if ($form->{'interface'}) {
10432: $form->{'interface'}=~s/\W//gs;
10433: $initial_env{"browser.interface"} = $form->{'interface'};
10434: $env{'browser.interface'}=$form->{'interface'};
10435: }
10436:
10437: foreach my $tool ('aboutme','blog','portfolio') {
10438: $userenv{'availabletools.'.$tool} =
10439: &Apache::lonnet::usertools_access($username,$domain,$tool,'reload');
10440: }
10441:
10442: foreach my $crstype ('official','unofficial','community') {
10443: $userenv{'canrequest.'.$crstype} =
10444: &Apache::lonnet::usertools_access($username,$domain,$crstype,
10445: 'reload','requestcourses');
10446: }
10447:
10448: $env{'user.environment'} = "$lonids/$cookie.id";
10449:
10450: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
10451: &GDBM_WRCREAT(),0640)) {
10452: &_add_to_env(\%disk_env,\%initial_env);
10453: &_add_to_env(\%disk_env,\%userenv,'environment.');
10454: &_add_to_env(\%disk_env,$userroles);
10455: if (ref($args->{'extra_env'})) {
10456: &_add_to_env(\%disk_env,$args->{'extra_env'});
10457: }
10458: untie(%disk_env);
10459: } else {
10460: &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
10461: 'Could not create environment storage in lonauth: '.$!.'</span>');
10462: return 'error: '.$!;
10463: }
10464: }
10465: $env{'request.role'}='cm';
10466: $env{'request.role.adv'}=$env{'user.adv'};
10467: $env{'browser.type'}=$clientbrowser;
10468:
10469: return $cookie;
10470:
10471: }
10472:
10473: sub _add_to_env {
10474: my ($idf,$env_data,$prefix) = @_;
10475: if (ref($env_data) eq 'HASH') {
10476: while (my ($key,$value) = each(%$env_data)) {
10477: $idf->{$prefix.$key} = $value;
10478: $env{$prefix.$key} = $value;
10479: }
10480: }
10481: }
10482:
10483: # --- Get the symbolic name of a problem and the url
10484: sub get_symb {
10485: my ($request,$silent) = @_;
10486: (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
10487: my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
10488: if ($symb eq '') {
10489: if (!$silent) {
10490: $request->print("Unable to handle ambiguous references:$url:.");
10491: return ();
10492: }
10493: }
10494: &Apache::lonenc::check_decrypt(\$symb);
10495: return ($symb);
10496: }
10497:
10498: # --------------------------------------------------------------Get annotation
10499:
10500: sub get_annotation {
10501: my ($symb,$enc) = @_;
10502:
10503: my $key = $symb;
10504: if (!$enc) {
10505: $key =
10506: &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
10507: }
10508: my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
10509: return $annotation{$key};
10510: }
10511:
10512: sub clean_symb {
10513: my ($symb,$delete_enc) = @_;
10514:
10515: &Apache::lonenc::check_decrypt(\$symb);
10516: my $enc = $env{'request.enc'};
10517: if ($delete_enc) {
10518: delete($env{'request.enc'});
10519: }
10520:
10521: return ($symb,$enc);
10522: }
10523:
10524: =pod
10525:
10526: =back
10527:
10528: =cut
10529:
10530: 1;
10531: __END__;
10532:
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