1: # The LearningOnline Network with CAPA
2: # a pile of common routines
3: #
4: # $Id: loncommon.pm,v 1.999 2011/01/23 01:04:26 www 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,clicker,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: '&clicker='+clicker;
426: if (roleflag) { url+="&roles=1"; }
427: if (courseadvonly) { url+="&courseadvonly=1"; }
428: var title = 'Student_Browser';
429: var options = 'scrollbars=1,resizable=1,menubar=0';
430: options += ',width=700,height=600';
431: stdeditbrowser = open(url,title,options,'1');
432: stdeditbrowser.focus();
433: }
434: // ]]>
435: </script>
436: ENDSTDBRW
437: }
438:
439: sub selectstudent_link {
440: my ($form,$unameele,$udomele,$courseadvonly,$clickerid)=@_;
441: my $callargs = "'".&Apache::lonhtmlcommon::entity_encode($form)."','".
442: &Apache::lonhtmlcommon::entity_encode($unameele)."','".
443: &Apache::lonhtmlcommon::entity_encode($udomele)."'";
444: if ($env{'request.course.id'}) {
445: if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
446: && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
447: '/'.$env{'request.course.sec'})) {
448: return '';
449: }
450: $callargs.=",'".&Apache::lonhtmlcommon::entity_encode($clickerid)."'";
451: if ($courseadvonly) {
452: $callargs .= ",'',1,1";
453: }
454: return '<span class="LC_nobreak">'.
455: '<a href="javascript:openstdbrowser('.$callargs.');">'.
456: &mt('Select User').'</a></span>';
457: }
458: if ($env{'request.role'}=~/^(au|dc|su)/) {
459: $callargs .= ",1";
460: return '<span class="LC_nobreak">'.
461: '<a href="javascript:openstdbrowser('.$callargs.');">'.
462: &mt('Select User').'</a></span>';
463: }
464: return '';
465: }
466:
467: sub authorbrowser_javascript {
468: return <<"ENDAUTHORBRW";
469: <script type="text/javascript" language="JavaScript">
470: // <![CDATA[
471: var stdeditbrowser;
472:
473: function openauthorbrowser(formname,udom) {
474: var url = '/adm/pickauthor?';
475: url += 'form='+formname+'&roledom='+udom;
476: var title = 'Author_Browser';
477: var options = 'scrollbars=1,resizable=1,menubar=0';
478: options += ',width=700,height=600';
479: stdeditbrowser = open(url,title,options,'1');
480: stdeditbrowser.focus();
481: }
482:
483: // ]]>
484: </script>
485: ENDAUTHORBRW
486: }
487:
488: sub coursebrowser_javascript {
489: my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;
490: my $wintitle = 'Course_Browser';
491: if ($crstype eq 'Community') {
492: $wintitle = 'Community_Browser';
493: }
494: my $id_functions = &javascript_index_functions();
495: my $output = '
496: <script type="text/javascript" language="JavaScript">
497: // <![CDATA[
498: var stdeditbrowser;'."\n";
499:
500: $output .= <<"ENDSTDBRW";
501: function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag,type,type_elem) {
502: var url = '/adm/pickcourse?';
503: var formid = getFormIdByName(formname);
504: var domainfilter = getDomainFromSelectbox(formname,udom);
505: if (domainfilter != null) {
506: if (domainfilter != '') {
507: url += 'domainfilter='+domainfilter+'&';
508: }
509: }
510: url += 'form=' + formname + '&cnumelement='+uname+
511: '&cdomelement='+udom+
512: '&cnameelement='+desc;
513: if (extra_element !=null && extra_element != '') {
514: if (formname == 'rolechoice' || formname == 'studentform') {
515: url += '&roleelement='+extra_element;
516: if (domainfilter == null || domainfilter == '') {
517: url += '&domainfilter='+extra_element;
518: }
519: }
520: else {
521: if (formname == 'portform') {
522: url += '&setroles='+extra_element;
523: } else {
524: if (formname == 'rules') {
525: url += '&fixeddom='+extra_element;
526: }
527: }
528: }
529: }
530: if (type != null && type != '') {
531: url += '&type='+type;
532: }
533: if (type_elem != null && type_elem != '') {
534: url += '&typeelement='+type_elem;
535: }
536: if (formname == 'ccrs') {
537: var ownername = document.forms[formid].ccuname.value;
538: var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value;
539: url += '&cloner='+ownername+':'+ownerdom;
540: }
541: if (multflag !=null && multflag != '') {
542: url += '&multiple='+multflag;
543: }
544: var title = '$wintitle';
545: var options = 'scrollbars=1,resizable=1,menubar=0';
546: options += ',width=700,height=600';
547: stdeditbrowser = open(url,title,options,'1');
548: stdeditbrowser.focus();
549: }
550: $id_functions
551: ENDSTDBRW
552: if (($sec_element ne '') || ($role_element ne '')) {
553: $output .= &setsec_javascript($sec_element,$formname,$role_element);
554: }
555: $output .= '
556: // ]]>
557: </script>';
558: return $output;
559: }
560:
561: sub javascript_index_functions {
562: return <<"ENDJS";
563:
564: function getFormIdByName(formname) {
565: for (var i=0;i<document.forms.length;i++) {
566: if (document.forms[i].name == formname) {
567: return i;
568: }
569: }
570: return -1;
571: }
572:
573: function getIndexByName(formid,item) {
574: for (var i=0;i<document.forms[formid].elements.length;i++) {
575: if (document.forms[formid].elements[i].name == item) {
576: return i;
577: }
578: }
579: return -1;
580: }
581:
582: function getDomainFromSelectbox(formname,udom) {
583: var userdom;
584: var formid = getFormIdByName(formname);
585: if (formid > -1) {
586: var domid = getIndexByName(formid,udom);
587: if (domid > -1) {
588: if (document.forms[formid].elements[domid].type == 'select-one') {
589: userdom=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value;
590: }
591: if (document.forms[formid].elements[domid].type == 'hidden') {
592: userdom=document.forms[formid].elements[domid].value;
593: }
594: }
595: }
596: return userdom;
597: }
598:
599: ENDJS
600:
601: }
602:
603: sub userbrowser_javascript {
604: my $id_functions = &javascript_index_functions();
605: return <<"ENDUSERBRW";
606:
607: function openuserbrowser(formname,uname,udom,ulast,ufirst,uemail,hideudom,crsdom,caller) {
608: var url = '/adm/pickuser?';
609: var userdom = getDomainFromSelectbox(formname,udom);
610: if (userdom != null) {
611: if (userdom != '') {
612: url += 'srchdom='+userdom+'&';
613: }
614: }
615: url += 'form=' + formname + '&unameelement='+uname+
616: '&udomelement='+udom+
617: '&ulastelement='+ulast+
618: '&ufirstelement='+ufirst+
619: '&uemailelement='+uemail+
620: '&hideudomelement='+hideudom+
621: '&coursedom='+crsdom;
622: if ((caller != null) && (caller != undefined)) {
623: url += '&caller='+caller;
624: }
625: var title = 'User_Browser';
626: var options = 'scrollbars=1,resizable=1,menubar=0';
627: options += ',width=700,height=600';
628: var stdeditbrowser = open(url,title,options,'1');
629: stdeditbrowser.focus();
630: }
631:
632: function fix_domain (formname,udom,origdom,uname) {
633: var formid = getFormIdByName(formname);
634: if (formid > -1) {
635: var unameid = getIndexByName(formid,uname);
636: var domid = getIndexByName(formid,udom);
637: var hidedomid = getIndexByName(formid,origdom);
638: if (hidedomid > -1) {
639: var fixeddom = document.forms[formid].elements[hidedomid].value;
640: var unameval = document.forms[formid].elements[unameid].value;
641: if ((fixeddom != '') && (fixeddom != undefined) && (fixeddom != null) && (unameval != '') && (unameval != undefined) && (unameval != null)) {
642: if (domid > -1) {
643: var slct = document.forms[formid].elements[domid];
644: if (slct.type == 'select-one') {
645: var i;
646: for (i=0;i<slct.length;i++) {
647: if (slct.options[i].value==fixeddom) { slct.selectedIndex=i; }
648: }
649: }
650: if (slct.type == 'hidden') {
651: slct.value = fixeddom;
652: }
653: }
654: }
655: }
656: }
657: return;
658: }
659:
660: $id_functions
661: ENDUSERBRW
662: }
663:
664: sub setsec_javascript {
665: my ($sec_element,$formname,$role_element) = @_;
666: my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
667: $communityrolestr);
668: if ($role_element ne '') {
669: my @allroles = ('st','ta','ep','in','ad');
670: foreach my $crstype ('Course','Community') {
671: if ($crstype eq 'Community') {
672: foreach my $role (@allroles) {
673: push(@communityrolenames,&Apache::lonnet::plaintext($role,$crstype));
674: }
675: push(@communityrolenames,&Apache::lonnet::plaintext('co'));
676: } else {
677: foreach my $role (@allroles) {
678: push(@courserolenames,&Apache::lonnet::plaintext($role,$crstype));
679: }
680: push(@courserolenames,&Apache::lonnet::plaintext('cc'));
681: }
682: }
683: $rolestr = '"'.join('","',@allroles).'"';
684: $courserolestr = '"'.join('","',@courserolenames).'"';
685: $communityrolestr = '"'.join('","',@communityrolenames).'"';
686: }
687: my $setsections = qq|
688: function setSect(sectionlist) {
689: var sectionsArray = new Array();
690: if ((sectionlist != '') && (typeof sectionlist != "undefined")) {
691: sectionsArray = sectionlist.split(",");
692: }
693: var numSections = sectionsArray.length;
694: document.$formname.$sec_element.length = 0;
695: if (numSections == 0) {
696: document.$formname.$sec_element.multiple=false;
697: document.$formname.$sec_element.size=1;
698: document.$formname.$sec_element.options[0] = new Option('No existing sections','',false,false)
699: } else {
700: if (numSections == 1) {
701: document.$formname.$sec_element.multiple=false;
702: document.$formname.$sec_element.size=1;
703: document.$formname.$sec_element.options[0] = new Option('Select','',true,true);
704: document.$formname.$sec_element.options[1] = new Option('No section','',false,false)
705: document.$formname.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
706: } else {
707: for (var i=0; i<numSections; i++) {
708: document.$formname.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
709: }
710: document.$formname.$sec_element.multiple=true
711: if (numSections < 3) {
712: document.$formname.$sec_element.size=numSections;
713: } else {
714: document.$formname.$sec_element.size=3;
715: }
716: document.$formname.$sec_element.options[0].selected = false
717: }
718: }
719: }
720:
721: function setRole(crstype) {
722: |;
723: if ($role_element eq '') {
724: $setsections .= ' return;
725: }
726: ';
727: } else {
728: $setsections .= qq|
729: var elementLength = document.$formname.$role_element.length;
730: var allroles = Array($rolestr);
731: var courserolenames = Array($courserolestr);
732: var communityrolenames = Array($communityrolestr);
733: if (elementLength != undefined) {
734: if (document.$formname.$role_element.options[5].value == 'cc') {
735: if (crstype == 'Course') {
736: return;
737: } else {
738: allroles[5] = 'co';
739: for (var i=0; i<6; i++) {
740: document.$formname.$role_element.options[i].value = allroles[i];
741: document.$formname.$role_element.options[i].text = communityrolenames[i];
742: }
743: }
744: } else {
745: if (crstype == 'Community') {
746: return;
747: } else {
748: allroles[5] = 'cc';
749: for (var i=0; i<6; i++) {
750: document.$formname.$role_element.options[i].value = allroles[i];
751: document.$formname.$role_element.options[i].text = courserolenames[i];
752: }
753: }
754: }
755: }
756: return;
757: }
758: |;
759: }
760: return $setsections;
761: }
762:
763: sub selectcourse_link {
764: my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype,
765: $typeelement) = @_;
766: my $type = $selecttype;
767: my $linktext = &mt('Select Course');
768: if ($selecttype eq 'Community') {
769: $linktext = &mt('Select Community');
770: } elsif ($selecttype eq 'Course/Community') {
771: $linktext = &mt('Select Course/Community');
772: $type = '';
773: }
774: return '<span class="LC_nobreak">'
775: ."<a href='"
776: .'javascript:opencrsbrowser("'.$form.'","'.$unameele
777: .'","'.$udomele.'","'.$desc.'","'.$extra_element
778: .'","'.$multflag.'","'.$type.'","'.$typeelement.'");'
779: ."'>".$linktext.'</a>'
780: .'</span>';
781: }
782:
783: sub selectauthor_link {
784: my ($form,$udom)=@_;
785: return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
786: &mt('Select Author').'</a>';
787: }
788:
789: sub selectuser_link {
790: my ($form,$unameelem,$domelem,$lastelem,$firstelem,$emailelem,$hdomelem,
791: $coursedom,$linktext,$caller) = @_;
792: return '<a href="javascript:openuserbrowser('."'$form','$unameelem','$domelem',".
793: "'$lastelem','$firstelem','$emailelem','$hdomelem','$coursedom','$caller'".
794: ');">'.$linktext.'</a>';
795: }
796:
797: sub check_uncheck_jscript {
798: my $jscript = <<"ENDSCRT";
799: function checkAll(field) {
800: if (field.length > 0) {
801: for (i = 0; i < field.length; i++) {
802: field[i].checked = true ;
803: }
804: } else {
805: field.checked = true
806: }
807: }
808:
809: function uncheckAll(field) {
810: if (field.length > 0) {
811: for (i = 0; i < field.length; i++) {
812: field[i].checked = false ;
813: }
814: } else {
815: field.checked = false ;
816: }
817: }
818: ENDSCRT
819: return $jscript;
820: }
821:
822: sub select_timezone {
823: my ($name,$selected,$onchange,$includeempty)=@_;
824: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
825: if ($includeempty) {
826: $output .= '<option value=""';
827: if (($selected eq '') || ($selected eq 'local')) {
828: $output .= ' selected="selected" ';
829: }
830: $output .= '> </option>';
831: }
832: my @timezones = DateTime::TimeZone->all_names;
833: foreach my $tzone (@timezones) {
834: $output.= '<option value="'.$tzone.'"';
835: if ($tzone eq $selected) {
836: $output.=' selected="selected"';
837: }
838: $output.=">$tzone</option>\n";
839: }
840: $output.="</select>";
841: return $output;
842: }
843:
844: sub select_datelocale {
845: my ($name,$selected,$onchange,$includeempty)=@_;
846: my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
847: if ($includeempty) {
848: $output .= '<option value=""';
849: if ($selected eq '') {
850: $output .= ' selected="selected" ';
851: }
852: $output .= '> </option>';
853: }
854: my (@possibles,%locale_names);
855: my @locales = DateTime::Locale::Catalog::Locales;
856: foreach my $locale (@locales) {
857: if (ref($locale) eq 'HASH') {
858: my $id = $locale->{'id'};
859: if ($id ne '') {
860: my $en_terr = $locale->{'en_territory'};
861: my $native_terr = $locale->{'native_territory'};
862: my @languages = &Apache::lonlocal::preferred_languages();
863: if (grep(/^en$/,@languages) || !@languages) {
864: if ($en_terr ne '') {
865: $locale_names{$id} = '('.$en_terr.')';
866: } elsif ($native_terr ne '') {
867: $locale_names{$id} = $native_terr;
868: }
869: } else {
870: if ($native_terr ne '') {
871: $locale_names{$id} = $native_terr.' ';
872: } elsif ($en_terr ne '') {
873: $locale_names{$id} = '('.$en_terr.')';
874: }
875: }
876: push (@possibles,$id);
877: }
878: }
879: }
880: foreach my $item (sort(@possibles)) {
881: $output.= '<option value="'.$item.'"';
882: if ($item eq $selected) {
883: $output.=' selected="selected"';
884: }
885: $output.=">$item";
886: if ($locale_names{$item} ne '') {
887: $output.=" $locale_names{$item}</option>\n";
888: }
889: $output.="</option>\n";
890: }
891: $output.="</select>";
892: return $output;
893: }
894:
895: sub select_language {
896: my ($name,$selected,$includeempty) = @_;
897: my %langchoices;
898: if ($includeempty) {
899: %langchoices = ('' => 'No language preference');
900: }
901: foreach my $id (&languageids()) {
902: my $code = &supportedlanguagecode($id);
903: if ($code) {
904: $langchoices{$code} = &plainlanguagedescription($id);
905: }
906: }
907: return &select_form($selected,$name,\%langchoices);
908: }
909:
910: =pod
911:
912: =item * &linked_select_forms(...)
913:
914: linked_select_forms returns a string containing a <script></script> block
915: and html for two <select> menus. The select menus will be linked in that
916: changing the value of the first menu will result in new values being placed
917: in the second menu. The values in the select menu will appear in alphabetical
918: order unless a defined order is provided.
919:
920: linked_select_forms takes the following ordered inputs:
921:
922: =over 4
923:
924: =item * $formname, the name of the <form> tag
925:
926: =item * $middletext, the text which appears between the <select> tags
927:
928: =item * $firstdefault, the default value for the first menu
929:
930: =item * $firstselectname, the name of the first <select> tag
931:
932: =item * $secondselectname, the name of the second <select> tag
933:
934: =item * $hashref, a reference to a hash containing the data for the menus.
935:
936: =item * $menuorder, the order of values in the first menu
937:
938: =back
939:
940: Below is an example of such a hash. Only the 'text', 'default', and
941: 'select2' keys must appear as stated. keys(%menu) are the possible
942: values for the first select menu. The text that coincides with the
943: first menu value is given in $menu{$choice1}->{'text'}. The values
944: and text for the second menu are given in the hash pointed to by
945: $menu{$choice1}->{'select2'}.
946:
947: my %menu = ( A1 => { text =>"Choice A1" ,
948: default => "B3",
949: select2 => {
950: B1 => "Choice B1",
951: B2 => "Choice B2",
952: B3 => "Choice B3",
953: B4 => "Choice B4"
954: },
955: order => ['B4','B3','B1','B2'],
956: },
957: A2 => { text =>"Choice A2" ,
958: default => "C2",
959: select2 => {
960: C1 => "Choice C1",
961: C2 => "Choice C2",
962: C3 => "Choice C3"
963: },
964: order => ['C2','C1','C3'],
965: },
966: A3 => { text =>"Choice A3" ,
967: default => "D6",
968: select2 => {
969: D1 => "Choice D1",
970: D2 => "Choice D2",
971: D3 => "Choice D3",
972: D4 => "Choice D4",
973: D5 => "Choice D5",
974: D6 => "Choice D6",
975: D7 => "Choice D7"
976: },
977: order => ['D4','D3','D2','D1','D7','D6','D5'],
978: }
979: );
980:
981: =cut
982:
983: sub linked_select_forms {
984: my ($formname,
985: $middletext,
986: $firstdefault,
987: $firstselectname,
988: $secondselectname,
989: $hashref,
990: $menuorder,
991: ) = @_;
992: my $second = "document.$formname.$secondselectname";
993: my $first = "document.$formname.$firstselectname";
994: # output the javascript to do the changing
995: my $result = '';
996: $result.='<script type="text/javascript" language="JavaScript">'."\n";
997: $result.="// <![CDATA[\n";
998: $result.="var select2data = new Object();\n";
999: $" = '","';
1000: my $debug = '';
1001: foreach my $s1 (sort(keys(%$hashref))) {
1002: $result.="select2data.d_$s1 = new Object();\n";
1003: $result.="select2data.d_$s1.def = new String('".
1004: $hashref->{$s1}->{'default'}."');\n";
1005: $result.="select2data.d_$s1.values = new Array(";
1006: my @s2values = sort(keys( %{ $hashref->{$s1}->{'select2'} } ));
1007: if (ref($hashref->{$s1}->{'order'}) eq 'ARRAY') {
1008: @s2values = @{$hashref->{$s1}->{'order'}};
1009: }
1010: $result.="\"@s2values\");\n";
1011: $result.="select2data.d_$s1.texts = new Array(";
1012: my @s2texts;
1013: foreach my $value (@s2values) {
1014: push @s2texts, $hashref->{$s1}->{'select2'}->{$value};
1015: }
1016: $result.="\"@s2texts\");\n";
1017: }
1018: $"=' ';
1019: $result.= <<"END";
1020:
1021: function select1_changed() {
1022: // Determine new choice
1023: var newvalue = "d_" + $first.value;
1024: // update select2
1025: var values = select2data[newvalue].values;
1026: var texts = select2data[newvalue].texts;
1027: var select2def = select2data[newvalue].def;
1028: var i;
1029: // out with the old
1030: for (i = 0; i < $second.options.length; i++) {
1031: $second.options[i] = null;
1032: }
1033: // in with the nuclear
1034: for (i=0;i<values.length; i++) {
1035: $second.options[i] = new Option(values[i]);
1036: $second.options[i].value = values[i];
1037: $second.options[i].text = texts[i];
1038: if (values[i] == select2def) {
1039: $second.options[i].selected = true;
1040: }
1041: }
1042: }
1043: // ]]>
1044: </script>
1045: END
1046: # output the initial values for the selection lists
1047: $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
1048: my @order = sort(keys(%{$hashref}));
1049: if (ref($menuorder) eq 'ARRAY') {
1050: @order = @{$menuorder};
1051: }
1052: foreach my $value (@order) {
1053: $result.=" <option value=\"$value\" ";
1054: $result.=" selected=\"selected\" " if ($value eq $firstdefault);
1055: $result.=">".&mt($hashref->{$value}->{'text'})."</option>\n";
1056: }
1057: $result .= "</select>\n";
1058: my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
1059: $result .= $middletext;
1060: $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
1061: my $seconddefault = $hashref->{$firstdefault}->{'default'};
1062:
1063: my @secondorder = sort(keys(%select2));
1064: if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') {
1065: @secondorder = @{$hashref->{$firstdefault}->{'order'}};
1066: }
1067: foreach my $value (@secondorder) {
1068: $result.=" <option value=\"$value\" ";
1069: $result.=" selected=\"selected\" " if ($value eq $seconddefault);
1070: $result.=">".&mt($select2{$value})."</option>\n";
1071: }
1072: $result .= "</select>\n";
1073: # return $debug;
1074: return $result;
1075: } # end of sub linked_select_forms {
1076:
1077: =pod
1078:
1079: =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height,$imgid)
1080:
1081: Returns a string corresponding to an HTML link to the given help
1082: $topic, where $topic corresponds to the name of a .tex file in
1083: /home/httpd/html/adm/help/tex, with underscores replaced by
1084: spaces.
1085:
1086: $text will optionally be linked to the same topic, allowing you to
1087: link text in addition to the graphic. If you do not want to link
1088: text, but wish to specify one of the later parameters, pass an
1089: empty string.
1090:
1091: $stayOnPage is a value that will be interpreted as a boolean. If true,
1092: the link will not open a new window. If false, the link will open
1093: a new window using Javascript. (Default is false.)
1094:
1095: $width and $height are optional numerical parameters that will
1096: override the width and height of the popped up window, which may
1097: be useful for certain help topics with big pictures included.
1098:
1099: $imgid is the id of the img tag used for the help icon. This may be
1100: used in a javascript call to switch the image src. See
1101: lonhtmlcommon::htmlareaselectactive() for an example.
1102:
1103: =cut
1104:
1105: sub help_open_topic {
1106: my ($topic, $text, $stayOnPage, $width, $height, $imgid) = @_;
1107: $text = "" if (not defined $text);
1108: $stayOnPage = 0 if (not defined $stayOnPage);
1109: $width = 350 if (not defined $width);
1110: $height = 400 if (not defined $height);
1111: my $filename = $topic;
1112: $filename =~ s/ /_/g;
1113:
1114: my $template = "";
1115: my $link;
1116:
1117: $topic=~s/\W/\_/g;
1118:
1119: if (!$stayOnPage) {
1120: $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1121: } else {
1122: $link = "/adm/help/${filename}.hlp";
1123: }
1124:
1125: # Add the text
1126: if ($text ne "") {
1127: $template.='<span class="LC_help_open_topic">'
1128: .'<a target="_top" href="'.$link.'">'
1129: .$text.'</a>';
1130: }
1131:
1132: # (Always) Add the graphic
1133: my $title = &mt('Online Help');
1134: my $helpicon=&lonhttpdurl("/adm/help/help.png");
1135: if ($imgid ne '') {
1136: $imgid = ' id="'.$imgid.'"';
1137: }
1138: $template.=' <a target="_top" href="'.$link.'" title="'.$title.'">'
1139: .'<img src="'.$helpicon.'" border="0"'
1140: .' alt="'.&mt('Help: [_1]',$topic).'"'
1141: .' title="'.$title.'" style="vertical-align:middle;"'.$imgid
1142: .' /></a>';
1143: if ($text ne "") {
1144: $template.='</span>';
1145: }
1146: return $template;
1147:
1148: }
1149:
1150: # This is a quicky function for Latex cheatsheet editing, since it
1151: # appears in at least four places
1152: sub helpLatexCheatsheet {
1153: my ($topic,$text,$not_author) = @_;
1154: my $out;
1155: my $addOther = '';
1156: if ($topic) {
1157: $addOther = '<span>'.&Apache::loncommon::help_open_topic($topic,&mt($text),
1158: undef, undef, 600).
1159: '</span> ';
1160: }
1161: $out = '<span>' # Start cheatsheet
1162: .$addOther
1163: .'<span>'
1164: .&Apache::loncommon::help_open_topic('Greek_Symbols',&mt('Greek Symbols'),
1165: undef,undef,600)
1166: .'</span> <span>'
1167: .&Apache::loncommon::help_open_topic('Other_Symbols',&mt('Other Symbols'),
1168: undef,undef,600)
1169: .'</span>';
1170: unless ($not_author) {
1171: $out .= ' <span>'
1172: .&Apache::loncommon::help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),
1173: undef,undef,600)
1174: .'</span>';
1175: }
1176: $out .= '</span>'; # End cheatsheet
1177: return $out;
1178: }
1179:
1180: sub general_help {
1181: my $helptopic='Student_Intro';
1182: if ($env{'request.role'}=~/^(ca|au)/) {
1183: $helptopic='Authoring_Intro';
1184: } elsif ($env{'request.role'}=~/^(cc|co)/) {
1185: $helptopic='Course_Coordination_Intro';
1186: } elsif ($env{'request.role'}=~/^dc/) {
1187: $helptopic='Domain_Coordination_Intro';
1188: }
1189: return $helptopic;
1190: }
1191:
1192: sub update_help_link {
1193: my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
1194: my $origurl = $ENV{'REQUEST_URI'};
1195: $origurl=~s|^/~|/priv/|;
1196: my $timestamp = time;
1197: foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
1198: $$datum = &escape($$datum);
1199: }
1200:
1201: my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
1202: my $output .= <<"ENDOUTPUT";
1203: <script type="text/javascript">
1204: // <![CDATA[
1205: banner_link = '$banner_link';
1206: // ]]>
1207: </script>
1208: ENDOUTPUT
1209: return $output;
1210: }
1211:
1212: # now just updates the help link and generates a blue icon
1213: sub help_open_menu {
1214: my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text)
1215: = @_;
1216: $stayOnPage = 1;
1217: my $output;
1218: if ($component_help) {
1219: if (!$text) {
1220: $output=&help_open_topic($component_help,undef,$stayOnPage,
1221: $width,$height);
1222: } else {
1223: my $help_text;
1224: $help_text=&unescape($topic);
1225: $output='<table><tr><td>'.
1226: &help_open_topic($component_help,$help_text,$stayOnPage,
1227: $width,$height).'</td></tr></table>';
1228: }
1229: }
1230: my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
1231: return $output.$banner_link;
1232: }
1233:
1234: sub top_nav_help {
1235: my ($text) = @_;
1236: $text = &mt($text);
1237: my $stay_on_page = 1;
1238:
1239: my $link = ($stay_on_page) ? "javascript:helpMenu('display')"
1240: : "javascript:helpMenu('open')";
1241: my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page);
1242:
1243: my $title = &mt('Get help');
1244:
1245: return <<"END";
1246: $banner_link
1247: <a href="$link" title="$title">$text</a>
1248: END
1249: }
1250:
1251: sub help_menu_js {
1252: my ($text) = @_;
1253: my $stayOnPage = 1;
1254: my $width = 620;
1255: my $height = 600;
1256: my $helptopic=&general_help();
1257: my $details_link = '/adm/help/'.$helptopic.'.hlp';
1258: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1259: my $start_page =
1260: &Apache::loncommon::start_page('Help Menu', undef,
1261: {'frameset' => 1,
1262: 'js_ready' => 1,
1263: 'add_entries' => {
1264: 'border' => '0',
1265: 'rows' => "110,*",},});
1266: my $end_page =
1267: &Apache::loncommon::end_page({'frameset' => 1,
1268: 'js_ready' => 1,});
1269:
1270: my $template .= <<"ENDTEMPLATE";
1271: <script type="text/javascript">
1272: // <![CDATA[
1273: // <!-- BEGIN LON-CAPA Internal
1274: var banner_link = '';
1275: function helpMenu(target) {
1276: var caller = this;
1277: if (target == 'open') {
1278: var newWindow = null;
1279: try {
1280: newWindow = window.open($nothing,"helpmenu","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" )
1281: }
1282: catch(error) {
1283: writeHelp(caller);
1284: return;
1285: }
1286: if (newWindow) {
1287: caller = newWindow;
1288: }
1289: }
1290: writeHelp(caller);
1291: return;
1292: }
1293: function writeHelp(caller) {
1294: caller.document.writeln('$start_page<frame name="bannerframe" src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
1295: caller.document.close()
1296: caller.focus()
1297: }
1298: // END LON-CAPA Internal -->
1299: // ]]>
1300: </script>
1301: ENDTEMPLATE
1302: return $template;
1303: }
1304:
1305: sub help_open_bug {
1306: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1307: unless ($env{'user.adv'}) { return ''; }
1308: unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
1309: $text = "" if (not defined $text);
1310: $stayOnPage=1;
1311: $width = 600 if (not defined $width);
1312: $height = 600 if (not defined $height);
1313:
1314: $topic=~s/\W+/\+/g;
1315: my $link='';
1316: my $template='';
1317: my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
1318: &escape($ENV{'REQUEST_URI'}).'&component='.$topic;
1319: if (!$stayOnPage)
1320: {
1321: $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1322: }
1323: else
1324: {
1325: $link = $url;
1326: }
1327: # Add the text
1328: if ($text ne "")
1329: {
1330: $template .=
1331: "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
1332: "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF;font-size:10pt;\">$text</span></a>";
1333: }
1334:
1335: # Add the graphic
1336: my $title = &mt('Report a Bug');
1337: my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
1338: $template .= <<"ENDTEMPLATE";
1339: <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
1340: ENDTEMPLATE
1341: if ($text ne '') { $template.='</td></tr></table>' };
1342: return $template;
1343:
1344: }
1345:
1346: sub help_open_faq {
1347: my ($topic, $text, $stayOnPage, $width, $height) = @_;
1348: unless ($env{'user.adv'}) { return ''; }
1349: unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
1350: $text = "" if (not defined $text);
1351: $stayOnPage=1;
1352: $width = 350 if (not defined $width);
1353: $height = 400 if (not defined $height);
1354:
1355: $topic=~s/\W+/\+/g;
1356: my $link='';
1357: my $template='';
1358: my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
1359: if (!$stayOnPage)
1360: {
1361: $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
1362: }
1363: else
1364: {
1365: $link = $url;
1366: }
1367:
1368: # Add the text
1369: if ($text ne "")
1370: {
1371: $template .=
1372: "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
1373: "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><span style=\"color:#FFFFFF; font-size:10pt;\">$text</span></a>";
1374: }
1375:
1376: # Add the graphic
1377: my $title = &mt('View the FAQ');
1378: my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
1379: $template .= <<"ENDTEMPLATE";
1380: <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
1381: ENDTEMPLATE
1382: if ($text ne '') { $template.='</td></tr></table>' };
1383: return $template;
1384:
1385: }
1386:
1387: ###############################################################
1388: ###############################################################
1389:
1390: =pod
1391:
1392: =item * &change_content_javascript():
1393:
1394: This and the next function allow you to create small sections of an
1395: otherwise static HTML page that you can update on the fly with
1396: Javascript, even in Netscape 4.
1397:
1398: The Javascript fragment returned by this function (no E<lt>scriptE<gt> tag)
1399: must be written to the HTML page once. It will prove the Javascript
1400: function "change(name, content)". Calling the change function with the
1401: name of the section
1402: you want to update, matching the name passed to C<changable_area>, and
1403: the new content you want to put in there, will put the content into
1404: that area.
1405:
1406: B<Note>: Netscape 4 only reserves enough space for the changable area
1407: to contain room for the original contents. You need to "make space"
1408: for whatever changes you wish to make, and be B<sure> to check your
1409: code in Netscape 4. This feature in Netscape 4 is B<not> powerful;
1410: it's adequate for updating a one-line status display, but little more.
1411: This script will set the space to 100% width, so you only need to
1412: worry about height in Netscape 4.
1413:
1414: Modern browsers are much less limiting, and if you can commit to the
1415: user not using Netscape 4, this feature may be used freely with
1416: pretty much any HTML.
1417:
1418: =cut
1419:
1420: sub change_content_javascript {
1421: # If we're on Netscape 4, we need to use Layer-based code
1422: if ($env{'browser.type'} eq 'netscape' &&
1423: $env{'browser.version'} =~ /^4\./) {
1424: return (<<NETSCAPE4);
1425: function change(name, content) {
1426: doc = document.layers[name+"___escape"].layers[0].document;
1427: doc.open();
1428: doc.write(content);
1429: doc.close();
1430: }
1431: NETSCAPE4
1432: } else {
1433: # Otherwise, we need to use semi-standards-compliant code
1434: # (technically, "innerHTML" isn't standard but the equivalent
1435: # is really scary, and every useful browser supports it
1436: return (<<DOMBASED);
1437: function change(name, content) {
1438: element = document.getElementById(name);
1439: element.innerHTML = content;
1440: }
1441: DOMBASED
1442: }
1443: }
1444:
1445: =pod
1446:
1447: =item * &changable_area($name,$origContent):
1448:
1449: This provides a "changable area" that can be modified on the fly via
1450: the Javascript code provided in C<change_content_javascript>. $name is
1451: the name you will use to reference the area later; do not repeat the
1452: same name on a given HTML page more then once. $origContent is what
1453: the area will originally contain, which can be left blank.
1454:
1455: =cut
1456:
1457: sub changable_area {
1458: my ($name, $origContent) = @_;
1459:
1460: if ($env{'browser.type'} eq 'netscape' &&
1461: $env{'browser.version'} =~ /^4\./) {
1462: # If this is netscape 4, we need to use the Layer tag
1463: return "<ilayer width='100%' id='${name}___escape' overflow='none'><layer width='100%' id='$name' overflow='none'>$origContent</layer></ilayer>";
1464: } else {
1465: return "<span id='$name'>$origContent</span>";
1466: }
1467: }
1468:
1469: =pod
1470:
1471: =item * &viewport_geometry_js
1472:
1473: Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
1474:
1475: =cut
1476:
1477:
1478: sub viewport_geometry_js {
1479: return <<"GEOMETRY";
1480: var Geometry = {};
1481: function init_geometry() {
1482: if (Geometry.init) { return };
1483: Geometry.init=1;
1484: if (window.innerHeight) {
1485: Geometry.getViewportHeight = function() { return window.innerHeight; };
1486: Geometry.getViewportWidth = function() { return window.innerWidth; };
1487: Geometry.getHorizontalScroll = function() { return window.pageXOffset; };
1488: Geometry.getVerticalScroll = function() { return window.pageYOffset; };
1489: }
1490: else if (document.documentElement && document.documentElement.clientHeight) {
1491: Geometry.getViewportHeight =
1492: function() { return document.documentElement.clientHeight; };
1493: Geometry.getViewportWidth =
1494: function() { return document.documentElement.clientWidth; };
1495:
1496: Geometry.getHorizontalScroll =
1497: function() { return document.documentElement.scrollLeft; };
1498: Geometry.getVerticalScroll =
1499: function() { return document.documentElement.scrollTop; };
1500: }
1501: else if (document.body.clientHeight) {
1502: Geometry.getViewportHeight =
1503: function() { return document.body.clientHeight; };
1504: Geometry.getViewportWidth =
1505: function() { return document.body.clientWidth; };
1506: Geometry.getHorizontalScroll =
1507: function() { return document.body.scrollLeft; };
1508: Geometry.getVerticalScroll =
1509: function() { return document.body.scrollTop; };
1510: }
1511: }
1512:
1513: GEOMETRY
1514: }
1515:
1516: =pod
1517:
1518: =item * &viewport_size_js()
1519:
1520: 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.
1521:
1522: =cut
1523:
1524: sub viewport_size_js {
1525: my $geometry = &viewport_geometry_js();
1526: return <<"DIMS";
1527:
1528: $geometry
1529:
1530: function getViewportDims(width,height) {
1531: init_geometry();
1532: width.value = Geometry.getViewportWidth();
1533: height.value = Geometry.getViewportHeight();
1534: return;
1535: }
1536:
1537: DIMS
1538: }
1539:
1540: =pod
1541:
1542: =item * &resize_textarea_js()
1543:
1544: emits the needed javascript to resize a textarea to be as big as possible
1545:
1546: creates a function resize_textrea that takes two IDs first should be
1547: the id of the element to resize, second should be the id of a div that
1548: surrounds everything that comes after the textarea, this routine needs
1549: to be attached to the <body> for the onload and onresize events.
1550:
1551: =back
1552:
1553: =cut
1554:
1555: sub resize_textarea_js {
1556: my $geometry = &viewport_geometry_js();
1557: return <<"RESIZE";
1558: <script type="text/javascript">
1559: // <![CDATA[
1560: $geometry
1561:
1562: function getX(element) {
1563: var x = 0;
1564: while (element) {
1565: x += element.offsetLeft;
1566: element = element.offsetParent;
1567: }
1568: return x;
1569: }
1570: function getY(element) {
1571: var y = 0;
1572: while (element) {
1573: y += element.offsetTop;
1574: element = element.offsetParent;
1575: }
1576: return y;
1577: }
1578:
1579:
1580: function resize_textarea(textarea_id,bottom_id) {
1581: init_geometry();
1582: var textarea = document.getElementById(textarea_id);
1583: //alert(textarea);
1584:
1585: var textarea_top = getY(textarea);
1586: var textarea_height = textarea.offsetHeight;
1587: var bottom = document.getElementById(bottom_id);
1588: var bottom_top = getY(bottom);
1589: var bottom_height = bottom.offsetHeight;
1590: var window_height = Geometry.getViewportHeight();
1591: var fudge = 23;
1592: var new_height = window_height-fudge-textarea_top-bottom_height;
1593: if (new_height < 300) {
1594: new_height = 300;
1595: }
1596: textarea.style.height=new_height+'px';
1597: }
1598: // ]]>
1599: </script>
1600: RESIZE
1601:
1602: }
1603:
1604: =pod
1605:
1606: =head1 Excel and CSV file utility routines
1607:
1608: =over 4
1609:
1610: =cut
1611:
1612: ###############################################################
1613: ###############################################################
1614:
1615: =pod
1616:
1617: =item * &csv_translate($text)
1618:
1619: Translate $text to allow it to be output as a 'comma separated values'
1620: format.
1621:
1622: =cut
1623:
1624: ###############################################################
1625: ###############################################################
1626: sub csv_translate {
1627: my $text = shift;
1628: $text =~ s/\"/\"\"/g;
1629: $text =~ s/\n/ /g;
1630: return $text;
1631: }
1632:
1633: ###############################################################
1634: ###############################################################
1635:
1636: =pod
1637:
1638: =item * &define_excel_formats()
1639:
1640: Define some commonly used Excel cell formats.
1641:
1642: Currently supported formats:
1643:
1644: =over 4
1645:
1646: =item header
1647:
1648: =item bold
1649:
1650: =item h1
1651:
1652: =item h2
1653:
1654: =item h3
1655:
1656: =item h4
1657:
1658: =item i
1659:
1660: =item date
1661:
1662: =back
1663:
1664: Inputs: $workbook
1665:
1666: Returns: $format, a hash reference.
1667:
1668: =cut
1669:
1670: ###############################################################
1671: ###############################################################
1672: sub define_excel_formats {
1673: my ($workbook) = @_;
1674: my $format;
1675: $format->{'header'} = $workbook->add_format(bold => 1,
1676: bottom => 1,
1677: align => 'center');
1678: $format->{'bold'} = $workbook->add_format(bold=>1);
1679: $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
1680: $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
1681: $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
1682: $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
1683: $format->{'i'} = $workbook->add_format(italic=>1);
1684: $format->{'date'} = $workbook->add_format(num_format=>
1685: 'mm/dd/yyyy hh:mm:ss');
1686: return $format;
1687: }
1688:
1689: ###############################################################
1690: ###############################################################
1691:
1692: =pod
1693:
1694: =item * &create_workbook()
1695:
1696: Create an Excel worksheet. If it fails, output message on the
1697: request object and return undefs.
1698:
1699: Inputs: Apache request object
1700:
1701: Returns (undef) on failure,
1702: Excel worksheet object, scalar with filename, and formats
1703: from &Apache::loncommon::define_excel_formats on success
1704:
1705: =cut
1706:
1707: ###############################################################
1708: ###############################################################
1709: sub create_workbook {
1710: my ($r) = @_;
1711: #
1712: # Create the excel spreadsheet
1713: my $filename = '/prtspool/'.
1714: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1715: time.'_'.rand(1000000000).'.xls';
1716: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1717: if (! defined($workbook)) {
1718: $r->log_error("Error creating excel spreadsheet $filename: $!");
1719: $r->print(
1720: '<p class="LC_error">'
1721: .&mt('Problems occurred in creating the new Excel file.')
1722: .' '.&mt('This error has been logged.')
1723: .' '.&mt('Please alert your LON-CAPA administrator.')
1724: .'</p>'
1725: );
1726: return (undef);
1727: }
1728: #
1729: $workbook->set_tempdir('/home/httpd/perl/tmp');
1730: #
1731: my $format = &Apache::loncommon::define_excel_formats($workbook);
1732: return ($workbook,$filename,$format);
1733: }
1734:
1735: ###############################################################
1736: ###############################################################
1737:
1738: =pod
1739:
1740: =item * &create_text_file()
1741:
1742: Create a file to write to and eventually make available to the user.
1743: If file creation fails, outputs an error message on the request object and
1744: return undefs.
1745:
1746: Inputs: Apache request object, and file suffix
1747:
1748: Returns (undef) on failure,
1749: Filehandle and filename on success.
1750:
1751: =cut
1752:
1753: ###############################################################
1754: ###############################################################
1755: sub create_text_file {
1756: my ($r,$suffix) = @_;
1757: if (! defined($suffix)) { $suffix = 'txt'; };
1758: my $fh;
1759: my $filename = '/prtspool/'.
1760: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1761: time.'_'.rand(1000000000).'.'.$suffix;
1762: $fh = Apache::File->new('>/home/httpd'.$filename);
1763: if (! defined($fh)) {
1764: $r->log_error("Couldn't open $filename for output $!");
1765: $r->print(
1766: '<p class="LC_error">'
1767: .&mt('Problems occurred in creating the output file.')
1768: .' '.&mt('This error has been logged.')
1769: .' '.&mt('Please alert your LON-CAPA administrator.')
1770: .'</p>'
1771: );
1772: }
1773: return ($fh,$filename)
1774: }
1775:
1776:
1777: =pod
1778:
1779: =back
1780:
1781: =cut
1782:
1783: ###############################################################
1784: ## Home server <option> list generating code ##
1785: ###############################################################
1786:
1787: # ------------------------------------------
1788:
1789: sub domain_select {
1790: my ($name,$value,$multiple)=@_;
1791: my %domains=map {
1792: $_ => $_.' '. &Apache::lonnet::domain($_,'description')
1793: } &Apache::lonnet::all_domains();
1794: if ($multiple) {
1795: $domains{''}=&mt('Any domain');
1796: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1797: return &multiple_select_form($name,$value,4,\%domains);
1798: } else {
1799: $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))];
1800: return &select_form($name,$value,\%domains);
1801: }
1802: }
1803:
1804: #-------------------------------------------
1805:
1806: =pod
1807:
1808: =head1 Routines for form select boxes
1809:
1810: =over 4
1811:
1812: =item * &multiple_select_form($name,$value,$size,$hash,$order)
1813:
1814: Returns a string containing a <select> element int multiple mode
1815:
1816:
1817: Args:
1818: $name - name of the <select> element
1819: $value - scalar or array ref of values that should already be selected
1820: $size - number of rows long the select element is
1821: $hash - the elements should be 'option' => 'shown text'
1822: (shown text should already have been &mt())
1823: $order - (optional) array ref of the order to show the elements in
1824:
1825: =cut
1826:
1827: #-------------------------------------------
1828: sub multiple_select_form {
1829: my ($name,$value,$size,$hash,$order)=@_;
1830: my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
1831: my $output='';
1832: if (! defined($size)) {
1833: $size = 4;
1834: if (scalar(keys(%$hash))<4) {
1835: $size = scalar(keys(%$hash));
1836: }
1837: }
1838: $output.="\n".'<select name="'.$name.'" size="'.$size.'" multiple="multiple">';
1839: my @order;
1840: if (ref($order) eq 'ARRAY') {
1841: @order = @{$order};
1842: } else {
1843: @order = sort(keys(%$hash));
1844: }
1845: if (exists($$hash{'select_form_order'})) {
1846: @order = @{$$hash{'select_form_order'}};
1847: }
1848:
1849: foreach my $key (@order) {
1850: $output.='<option value="'.&HTML::Entities::encode($key,'"<>&').'" ';
1851: $output.='selected="selected" ' if ($selected{$key});
1852: $output.='>'.$hash->{$key}."</option>\n";
1853: }
1854: $output.="</select>\n";
1855: return $output;
1856: }
1857:
1858: #-------------------------------------------
1859:
1860: =pod
1861:
1862: =item * &select_form($defdom,$name,$hashref,$onchange)
1863:
1864: Returns a string containing a <select name='$name' size='1'> form to
1865: allow a user to select options from a ref to a hash containing:
1866: option_name => displayed text. An optional $onchange can include
1867: a javascript onchange item, e.g., onchange="this.form.submit();"
1868:
1869: See lonrights.pm for an example invocation and use.
1870:
1871: =cut
1872:
1873: #-------------------------------------------
1874: sub select_form {
1875: my ($def,$name,$hashref,$onchange) = @_;
1876: return unless (ref($hashref) eq 'HASH');
1877: if ($onchange) {
1878: $onchange = ' onchange="'.$onchange.'"';
1879: }
1880: my $selectform = "<select name=\"$name\" size=\"1\"$onchange>\n";
1881: my @keys;
1882: if (exists($hashref->{'select_form_order'})) {
1883: @keys=@{$hashref->{'select_form_order'}};
1884: } else {
1885: @keys=sort(keys(%{$hashref}));
1886: }
1887: foreach my $key (@keys) {
1888: $selectform.=
1889: '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
1890: ($key eq $def ? 'selected="selected" ' : '').
1891: ">".$hashref->{$key}."</option>\n";
1892: }
1893: $selectform.="</select>";
1894: return $selectform;
1895: }
1896:
1897: # For display filters
1898:
1899: sub display_filter {
1900: if (!$env{'form.show'}) { $env{'form.show'}=10; }
1901: if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; }
1902: return '<span class="LC_nobreak"><label>'.&mt('Records [_1]',
1903: &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
1904: (&mt('all'),10,20,50,100,1000,10000))).
1905: '</label></span> <span class="LC_nobreak">'.
1906: &mt('Filter [_1]',
1907: &select_form($env{'form.displayfilter'},
1908: 'displayfilter',
1909: {'currentfolder' => 'Current folder/page',
1910: 'containing' => 'Containing phrase',
1911: 'none' => 'None'})).
1912: '<input type="text" name="containingphrase" size="30" value="'.&HTML::Entities::encode($env{'form.containingphrase'}).'" /></span>';
1913: }
1914:
1915: sub gradeleveldescription {
1916: my $gradelevel=shift;
1917: my %gradelevels=(0 => 'Not specified',
1918: 1 => 'Grade 1',
1919: 2 => 'Grade 2',
1920: 3 => 'Grade 3',
1921: 4 => 'Grade 4',
1922: 5 => 'Grade 5',
1923: 6 => 'Grade 6',
1924: 7 => 'Grade 7',
1925: 8 => 'Grade 8',
1926: 9 => 'Grade 9',
1927: 10 => 'Grade 10',
1928: 11 => 'Grade 11',
1929: 12 => 'Grade 12',
1930: 13 => 'Grade 13',
1931: 14 => '100 Level',
1932: 15 => '200 Level',
1933: 16 => '300 Level',
1934: 17 => '400 Level',
1935: 18 => 'Graduate Level');
1936: return &mt($gradelevels{$gradelevel});
1937: }
1938:
1939: sub select_level_form {
1940: my ($deflevel,$name)=@_;
1941: unless ($deflevel) { $deflevel=0; }
1942: my $selectform = "<select name=\"$name\" size=\"1\">\n";
1943: for (my $i=0; $i<=18; $i++) {
1944: $selectform.="<option value=\"$i\" ".
1945: ($i==$deflevel ? 'selected="selected" ' : '').
1946: ">".&gradeleveldescription($i)."</option>\n";
1947: }
1948: $selectform.="</select>";
1949: return $selectform;
1950: }
1951:
1952: #-------------------------------------------
1953:
1954: =pod
1955:
1956: =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
1957:
1958: Returns a string containing a <select name='$name' size='1'> form to
1959: allow a user to select the domain to preform an operation in.
1960: See loncreateuser.pm for an example invocation and use.
1961:
1962: If the $includeempty flag is set, it also includes an empty choice ("no domain
1963: selected");
1964:
1965: If the $showdomdesc flag is set, the domain name is followed by the domain description.
1966:
1967: The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
1968:
1969: The optional $incdoms is a reference to an array of domains which will be the only available options.
1970:
1971: =cut
1972:
1973: #-------------------------------------------
1974: sub select_dom_form {
1975: my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
1976: if ($onchange) {
1977: $onchange = ' onchange="'.$onchange.'"';
1978: }
1979: my @domains;
1980: if (ref($incdoms) eq 'ARRAY') {
1981: @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
1982: } else {
1983: @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
1984: }
1985: if ($includeempty) { @domains=('',@domains); }
1986: my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
1987: foreach my $dom (@domains) {
1988: $selectdomain.="<option value=\"$dom\" ".
1989: ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
1990: if ($showdomdesc) {
1991: if ($dom ne '') {
1992: my $domdesc = &Apache::lonnet::domain($dom,'description');
1993: if ($domdesc ne '') {
1994: $selectdomain .= ' ('.$domdesc.')';
1995: }
1996: }
1997: }
1998: $selectdomain .= "</option>\n";
1999: }
2000: $selectdomain.="</select>";
2001: return $selectdomain;
2002: }
2003:
2004: #-------------------------------------------
2005:
2006: =pod
2007:
2008: =item * &home_server_form_item($domain,$name,$defaultflag)
2009:
2010: input: 4 arguments (two required, two optional) -
2011: $domain - domain of new user
2012: $name - name of form element
2013: $default - Value of 'default' causes a default item to be first
2014: option, and selected by default.
2015: $hide - Value of 'hide' causes hiding of the name of the server,
2016: if 1 server found, or default, if 0 found.
2017: output: returns 2 items:
2018: (a) form element which contains either:
2019: (i) <select name="$name">
2020: <option value="$hostid1">$hostid $servers{$hostid}</option>
2021: <option value="$hostid2">$hostid $servers{$hostid}</option>
2022: </select>
2023: form item if there are multiple library servers in $domain, or
2024: (ii) an <input type="hidden" name="$name" value="$hostid" /> form item
2025: if there is only one library server in $domain.
2026:
2027: (b) number of library servers found.
2028:
2029: See loncreateuser.pm for example of use.
2030:
2031: =cut
2032:
2033: #-------------------------------------------
2034: sub home_server_form_item {
2035: my ($domain,$name,$default,$hide) = @_;
2036: my %servers = &Apache::lonnet::get_servers($domain,'library');
2037: my $result;
2038: my $numlib = keys(%servers);
2039: if ($numlib > 1) {
2040: $result .= '<select name="'.$name.'" />'."\n";
2041: if ($default) {
2042: $result .= '<option value="default" selected="selected">'.&mt('default').
2043: '</option>'."\n";
2044: }
2045: foreach my $hostid (sort(keys(%servers))) {
2046: $result.= '<option value="'.$hostid.'">'.
2047: $hostid.' '.$servers{$hostid}."</option>\n";
2048: }
2049: $result .= '</select>'."\n";
2050: } elsif ($numlib == 1) {
2051: my $hostid;
2052: foreach my $item (keys(%servers)) {
2053: $hostid = $item;
2054: }
2055: $result .= '<input type="hidden" name="'.$name.'" value="'.
2056: $hostid.'" />';
2057: if (!$hide) {
2058: $result .= $hostid.' '.$servers{$hostid};
2059: }
2060: $result .= "\n";
2061: } elsif ($default) {
2062: $result .= '<input type="hidden" name="'.$name.
2063: '" value="default" />';
2064: if (!$hide) {
2065: $result .= &mt('default');
2066: }
2067: $result .= "\n";
2068: }
2069: return ($result,$numlib);
2070: }
2071:
2072: =pod
2073:
2074: =back
2075:
2076: =cut
2077:
2078: ###############################################################
2079: ## Decoding User Agent ##
2080: ###############################################################
2081:
2082: =pod
2083:
2084: =head1 Decoding the User Agent
2085:
2086: =over 4
2087:
2088: =item * &decode_user_agent()
2089:
2090: Inputs: $r
2091:
2092: Outputs:
2093:
2094: =over 4
2095:
2096: =item * $httpbrowser
2097:
2098: =item * $clientbrowser
2099:
2100: =item * $clientversion
2101:
2102: =item * $clientmathml
2103:
2104: =item * $clientunicode
2105:
2106: =item * $clientos
2107:
2108: =back
2109:
2110: =back
2111:
2112: =cut
2113:
2114: ###############################################################
2115: ###############################################################
2116: sub decode_user_agent {
2117: my ($r)=@_;
2118: my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
2119: my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
2120: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
2121: if (!$httpbrowser && $r) { $httpbrowser=$r->header_in('User-Agent'); }
2122: my $clientbrowser='unknown';
2123: my $clientversion='0';
2124: my $clientmathml='';
2125: my $clientunicode='0';
2126: for (my $i=0;$i<=$#browsertype;$i++) {
2127: my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
2128: if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
2129: $clientbrowser=$bname;
2130: $httpbrowser=~/$vreg/i;
2131: $clientversion=$1;
2132: $clientmathml=($clientversion>=$minv);
2133: $clientunicode=($clientversion>=$univ);
2134: }
2135: }
2136: my $clientos='unknown';
2137: if (($httpbrowser=~/linux/i) ||
2138: ($httpbrowser=~/unix/i) ||
2139: ($httpbrowser=~/ux/i) ||
2140: ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
2141: if (($httpbrowser=~/vax/i) ||
2142: ($httpbrowser=~/vms/i)) { $clientos='vms'; }
2143: if ($httpbrowser=~/next/i) { $clientos='next'; }
2144: if (($httpbrowser=~/mac/i) ||
2145: ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
2146: if ($httpbrowser=~/win/i) { $clientos='win'; }
2147: if ($httpbrowser=~/embed/i) { $clientos='pda'; }
2148: return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
2149: $clientunicode,$clientos,);
2150: }
2151:
2152: ###############################################################
2153: ## Authentication changing form generation subroutines ##
2154: ###############################################################
2155: ##
2156: ## All of the authform_xxxxxxx subroutines take their inputs in a
2157: ## hash, and have reasonable default values.
2158: ##
2159: ## formname = the name given in the <form> tag.
2160: #-------------------------------------------
2161:
2162: =pod
2163:
2164: =head1 Authentication Routines
2165:
2166: =over 4
2167:
2168: =item * &authform_xxxxxx()
2169:
2170: The authform_xxxxxx subroutines provide javascript and html forms which
2171: handle some of the conveniences required for authentication forms.
2172: This is not an optimal method, but it works.
2173:
2174: =over 4
2175:
2176: =item * authform_header
2177:
2178: =item * authform_authorwarning
2179:
2180: =item * authform_nochange
2181:
2182: =item * authform_kerberos
2183:
2184: =item * authform_internal
2185:
2186: =item * authform_filesystem
2187:
2188: =back
2189:
2190: See loncreateuser.pm for invocation and use examples.
2191:
2192: =cut
2193:
2194: #-------------------------------------------
2195: sub authform_header{
2196: my %in = (
2197: formname => 'cu',
2198: kerb_def_dom => '',
2199: @_,
2200: );
2201: $in{'formname'} = 'document.' . $in{'formname'};
2202: my $result='';
2203:
2204: #---------------------------------------------- Code for upper case translation
2205: my $Javascript_toUpperCase;
2206: unless ($in{kerb_def_dom}) {
2207: $Javascript_toUpperCase =<<"END";
2208: switch (choice) {
2209: case 'krb': currentform.elements[choicearg].value =
2210: currentform.elements[choicearg].value.toUpperCase();
2211: break;
2212: default:
2213: }
2214: END
2215: } else {
2216: $Javascript_toUpperCase = "";
2217: }
2218:
2219: my $radioval = "'nochange'";
2220: if (defined($in{'curr_authtype'})) {
2221: if ($in{'curr_authtype'} ne '') {
2222: $radioval = "'".$in{'curr_authtype'}."arg'";
2223: }
2224: }
2225: my $argfield = 'null';
2226: if (defined($in{'mode'})) {
2227: if ($in{'mode'} eq 'modifycourse') {
2228: if (defined($in{'curr_autharg'})) {
2229: if ($in{'curr_autharg'} ne '') {
2230: $argfield = "'$in{'curr_autharg'}'";
2231: }
2232: }
2233: }
2234: }
2235:
2236: $result.=<<"END";
2237: var current = new Object();
2238: current.radiovalue = $radioval;
2239: current.argfield = $argfield;
2240:
2241: function changed_radio(choice,currentform) {
2242: var choicearg = choice + 'arg';
2243: // If a radio button in changed, we need to change the argfield
2244: if (current.radiovalue != choice) {
2245: current.radiovalue = choice;
2246: if (current.argfield != null) {
2247: currentform.elements[current.argfield].value = '';
2248: }
2249: if (choice == 'nochange') {
2250: current.argfield = null;
2251: } else {
2252: current.argfield = choicearg;
2253: switch(choice) {
2254: case 'krb':
2255: currentform.elements[current.argfield].value =
2256: "$in{'kerb_def_dom'}";
2257: break;
2258: default:
2259: break;
2260: }
2261: }
2262: }
2263: return;
2264: }
2265:
2266: function changed_text(choice,currentform) {
2267: var choicearg = choice + 'arg';
2268: if (currentform.elements[choicearg].value !='') {
2269: $Javascript_toUpperCase
2270: // clear old field
2271: if ((current.argfield != choicearg) && (current.argfield != null)) {
2272: currentform.elements[current.argfield].value = '';
2273: }
2274: current.argfield = choicearg;
2275: }
2276: set_auth_radio_buttons(choice,currentform);
2277: return;
2278: }
2279:
2280: function set_auth_radio_buttons(newvalue,currentform) {
2281: var numauthchoices = currentform.login.length;
2282: if (typeof numauthchoices == "undefined") {
2283: return;
2284: }
2285: var i=0;
2286: while (i < numauthchoices) {
2287: if (currentform.login[i].value == newvalue) { break; }
2288: i++;
2289: }
2290: if (i == numauthchoices) {
2291: return;
2292: }
2293: current.radiovalue = newvalue;
2294: currentform.login[i].checked = true;
2295: return;
2296: }
2297: END
2298: return $result;
2299: }
2300:
2301: sub authform_authorwarning{
2302: my $result='';
2303: $result='<i>'.
2304: &mt('As a general rule, only authors or co-authors should be '.
2305: 'filesystem authenticated '.
2306: '(which allows access to the server filesystem).')."</i>\n";
2307: return $result;
2308: }
2309:
2310: sub authform_nochange{
2311: my %in = (
2312: formname => 'document.cu',
2313: kerb_def_dom => 'MSU.EDU',
2314: @_,
2315: );
2316: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2317: my $result;
2318: if (keys(%can_assign) == 0) {
2319: $result = &mt('Under you current role you are not permitted to change login settings for this user');
2320: } else {
2321: $result = '<label>'.&mt('[_1] Do not change login data',
2322: '<input type="radio" name="login" value="nochange" '.
2323: 'checked="checked" onclick="'.
2324: "javascript:changed_radio('nochange',$in{'formname'});".'" />').
2325: '</label>';
2326: }
2327: return $result;
2328: }
2329:
2330: sub authform_kerberos {
2331: my %in = (
2332: formname => 'document.cu',
2333: kerb_def_dom => 'MSU.EDU',
2334: kerb_def_auth => 'krb4',
2335: @_,
2336: );
2337: my ($check4,$check5,$krbcheck,$krbarg,$krbver,$result,$authtype,
2338: $autharg,$jscall);
2339: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2340: if ($in{'kerb_def_auth'} eq 'krb5') {
2341: $check5 = ' checked="checked"';
2342: } else {
2343: $check4 = ' checked="checked"';
2344: }
2345: $krbarg = $in{'kerb_def_dom'};
2346: if (defined($in{'curr_authtype'})) {
2347: if ($in{'curr_authtype'} eq 'krb') {
2348: $krbcheck = ' checked="checked"';
2349: if (defined($in{'mode'})) {
2350: if ($in{'mode'} eq 'modifyuser') {
2351: $krbcheck = '';
2352: }
2353: }
2354: if (defined($in{'curr_kerb_ver'})) {
2355: if ($in{'curr_krb_ver'} eq '5') {
2356: $check5 = ' checked="checked"';
2357: $check4 = '';
2358: } else {
2359: $check4 = ' checked="checked"';
2360: $check5 = '';
2361: }
2362: }
2363: if (defined($in{'curr_autharg'})) {
2364: $krbarg = $in{'curr_autharg'};
2365: }
2366: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2367: if (defined($in{'curr_autharg'})) {
2368: $result =
2369: &mt('Currently Kerberos authenticated with domain [_1] Version [_2].',
2370: $in{'curr_autharg'},$krbver);
2371: } else {
2372: $result =
2373: &mt('Currently Kerberos authenticated, Version [_1].',$krbver);
2374: }
2375: return $result;
2376: }
2377: }
2378: } else {
2379: if ($authnum == 1) {
2380: $authtype = '<input type="hidden" name="login" value="krb" />';
2381: }
2382: }
2383: if (!$can_assign{'krb4'} && !$can_assign{'krb5'}) {
2384: return;
2385: } elsif ($authtype eq '') {
2386: if (defined($in{'mode'})) {
2387: if ($in{'mode'} eq 'modifycourse') {
2388: if ($authnum == 1) {
2389: $authtype = '<input type="hidden" name="login" value="krb" />';
2390: }
2391: }
2392: }
2393: }
2394: $jscall = "javascript:changed_radio('krb',$in{'formname'});";
2395: if ($authtype eq '') {
2396: $authtype = '<input type="radio" name="login" value="krb" '.
2397: 'onclick="'.$jscall.'" onchange="'.$jscall.'"'.
2398: $krbcheck.' />';
2399: }
2400: if (($can_assign{'krb4'} && $can_assign{'krb5'}) ||
2401: ($can_assign{'krb4'} && !$can_assign{'krb5'} &&
2402: $in{'curr_authtype'} eq 'krb5') ||
2403: (!$can_assign{'krb4'} && $can_assign{'krb5'} &&
2404: $in{'curr_authtype'} eq 'krb4')) {
2405: $result .= &mt
2406: ('[_1] Kerberos authenticated with domain [_2] '.
2407: '[_3] Version 4 [_4] Version 5 [_5]',
2408: '<label>'.$authtype,
2409: '</label><input type="text" size="10" name="krbarg" '.
2410: 'value="'.$krbarg.'" '.
2411: 'onchange="'.$jscall.'" />',
2412: '<label><input type="radio" name="krbver" value="4" '.$check4.' />',
2413: '</label><label><input type="radio" name="krbver" value="5" '.$check5.' />',
2414: '</label>');
2415: } elsif ($can_assign{'krb4'}) {
2416: $result .= &mt
2417: ('[_1] Kerberos authenticated with domain [_2] '.
2418: '[_3] Version 4 [_4]',
2419: '<label>'.$authtype,
2420: '</label><input type="text" size="10" name="krbarg" '.
2421: 'value="'.$krbarg.'" '.
2422: 'onchange="'.$jscall.'" />',
2423: '<label><input type="hidden" name="krbver" value="4" />',
2424: '</label>');
2425: } elsif ($can_assign{'krb5'}) {
2426: $result .= &mt
2427: ('[_1] Kerberos authenticated with domain [_2] '.
2428: '[_3] Version 5 [_4]',
2429: '<label>'.$authtype,
2430: '</label><input type="text" size="10" name="krbarg" '.
2431: 'value="'.$krbarg.'" '.
2432: 'onchange="'.$jscall.'" />',
2433: '<label><input type="hidden" name="krbver" value="5" />',
2434: '</label>');
2435: }
2436: return $result;
2437: }
2438:
2439: sub authform_internal{
2440: my %in = (
2441: formname => 'document.cu',
2442: kerb_def_dom => 'MSU.EDU',
2443: @_,
2444: );
2445: my ($intcheck,$intarg,$result,$authtype,$autharg,$jscall);
2446: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2447: if (defined($in{'curr_authtype'})) {
2448: if ($in{'curr_authtype'} eq 'int') {
2449: if ($can_assign{'int'}) {
2450: $intcheck = 'checked="checked" ';
2451: if (defined($in{'mode'})) {
2452: if ($in{'mode'} eq 'modifyuser') {
2453: $intcheck = '';
2454: }
2455: }
2456: if (defined($in{'curr_autharg'})) {
2457: $intarg = $in{'curr_autharg'};
2458: }
2459: } else {
2460: $result = &mt('Currently internally authenticated.');
2461: return $result;
2462: }
2463: }
2464: } else {
2465: if ($authnum == 1) {
2466: $authtype = '<input type="hidden" name="login" value="int" />';
2467: }
2468: }
2469: if (!$can_assign{'int'}) {
2470: return;
2471: } elsif ($authtype eq '') {
2472: if (defined($in{'mode'})) {
2473: if ($in{'mode'} eq 'modifycourse') {
2474: if ($authnum == 1) {
2475: $authtype = '<input type="hidden" name="login" value="int" />';
2476: }
2477: }
2478: }
2479: }
2480: $jscall = "javascript:changed_radio('int',$in{'formname'});";
2481: if ($authtype eq '') {
2482: $authtype = '<input type="radio" name="login" value="int" '.$intcheck.
2483: ' onchange="'.$jscall.'" onclick="'.$jscall.'" />';
2484: }
2485: $autharg = '<input type="password" size="10" name="intarg" value="'.
2486: $intarg.'" onchange="'.$jscall.'" />';
2487: $result = &mt
2488: ('[_1] Internally authenticated (with initial password [_2])',
2489: '<label>'.$authtype,'</label>'.$autharg);
2490: $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>';
2491: return $result;
2492: }
2493:
2494: sub authform_local{
2495: my %in = (
2496: formname => 'document.cu',
2497: kerb_def_dom => 'MSU.EDU',
2498: @_,
2499: );
2500: my ($loccheck,$locarg,$result,$authtype,$autharg,$jscall);
2501: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2502: if (defined($in{'curr_authtype'})) {
2503: if ($in{'curr_authtype'} eq 'loc') {
2504: if ($can_assign{'loc'}) {
2505: $loccheck = 'checked="checked" ';
2506: if (defined($in{'mode'})) {
2507: if ($in{'mode'} eq 'modifyuser') {
2508: $loccheck = '';
2509: }
2510: }
2511: if (defined($in{'curr_autharg'})) {
2512: $locarg = $in{'curr_autharg'};
2513: }
2514: } else {
2515: $result = &mt('Currently using local (institutional) authentication.');
2516: return $result;
2517: }
2518: }
2519: } else {
2520: if ($authnum == 1) {
2521: $authtype = '<input type="hidden" name="login" value="loc" />';
2522: }
2523: }
2524: if (!$can_assign{'loc'}) {
2525: return;
2526: } elsif ($authtype eq '') {
2527: if (defined($in{'mode'})) {
2528: if ($in{'mode'} eq 'modifycourse') {
2529: if ($authnum == 1) {
2530: $authtype = '<input type="hidden" name="login" value="loc" />';
2531: }
2532: }
2533: }
2534: }
2535: $jscall = "javascript:changed_radio('loc',$in{'formname'});";
2536: if ($authtype eq '') {
2537: $authtype = '<input type="radio" name="login" value="loc" '.
2538: $loccheck.' onchange="'.$jscall.'" onclick="'.
2539: $jscall.'" />';
2540: }
2541: $autharg = '<input type="text" size="10" name="locarg" value="'.
2542: $locarg.'" onchange="'.$jscall.'" />';
2543: $result = &mt('[_1] Local Authentication with argument [_2]',
2544: '<label>'.$authtype,'</label>'.$autharg);
2545: return $result;
2546: }
2547:
2548: sub authform_filesystem{
2549: my %in = (
2550: formname => 'document.cu',
2551: kerb_def_dom => 'MSU.EDU',
2552: @_,
2553: );
2554: my ($fsyscheck,$result,$authtype,$autharg,$jscall);
2555: my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
2556: if (defined($in{'curr_authtype'})) {
2557: if ($in{'curr_authtype'} eq 'fsys') {
2558: if ($can_assign{'fsys'}) {
2559: $fsyscheck = 'checked="checked" ';
2560: if (defined($in{'mode'})) {
2561: if ($in{'mode'} eq 'modifyuser') {
2562: $fsyscheck = '';
2563: }
2564: }
2565: } else {
2566: $result = &mt('Currently Filesystem Authenticated.');
2567: return $result;
2568: }
2569: }
2570: } else {
2571: if ($authnum == 1) {
2572: $authtype = '<input type="hidden" name="login" value="fsys" />';
2573: }
2574: }
2575: if (!$can_assign{'fsys'}) {
2576: return;
2577: } elsif ($authtype eq '') {
2578: if (defined($in{'mode'})) {
2579: if ($in{'mode'} eq 'modifycourse') {
2580: if ($authnum == 1) {
2581: $authtype = '<input type="hidden" name="login" value="fsys" />';
2582: }
2583: }
2584: }
2585: }
2586: $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
2587: if ($authtype eq '') {
2588: $authtype = '<input type="radio" name="login" value="fsys" '.
2589: $fsyscheck.' onchange="'.$jscall.'" onclick="'.
2590: $jscall.'" />';
2591: }
2592: $autharg = '<input type="text" size="10" name="fsysarg" value=""'.
2593: ' onchange="'.$jscall.'" />';
2594: $result = &mt
2595: ('[_1] Filesystem Authenticated (with initial password [_2])',
2596: '<label><input type="radio" name="login" value="fsys" '.
2597: $fsyscheck.'onchange="'.$jscall.'" onclick="'.$jscall.'" />',
2598: '</label><input type="password" size="10" name="fsysarg" value="" '.
2599: 'onchange="'.$jscall.'" />');
2600: return $result;
2601: }
2602:
2603: sub get_assignable_auth {
2604: my ($dom) = @_;
2605: if ($dom eq '') {
2606: $dom = $env{'request.role.domain'};
2607: }
2608: my %can_assign = (
2609: krb4 => 1,
2610: krb5 => 1,
2611: int => 1,
2612: loc => 1,
2613: );
2614: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
2615: if (ref($domconfig{'usercreation'}) eq 'HASH') {
2616: if (ref($domconfig{'usercreation'}{'authtypes'}) eq 'HASH') {
2617: my $authhash = $domconfig{'usercreation'}{'authtypes'};
2618: my $context;
2619: if ($env{'request.role'} =~ /^au/) {
2620: $context = 'author';
2621: } elsif ($env{'request.role'} =~ /^dc/) {
2622: $context = 'domain';
2623: } elsif ($env{'request.course.id'}) {
2624: $context = 'course';
2625: }
2626: if ($context) {
2627: if (ref($authhash->{$context}) eq 'HASH') {
2628: %can_assign = %{$authhash->{$context}};
2629: }
2630: }
2631: }
2632: }
2633: my $authnum = 0;
2634: foreach my $key (keys(%can_assign)) {
2635: if ($can_assign{$key}) {
2636: $authnum ++;
2637: }
2638: }
2639: if ($can_assign{'krb4'} && $can_assign{'krb5'}) {
2640: $authnum --;
2641: }
2642: return ($authnum,%can_assign);
2643: }
2644:
2645: ###############################################################
2646: ## Get Kerberos Defaults for Domain ##
2647: ###############################################################
2648: ##
2649: ## Returns default kerberos version and an associated argument
2650: ## as listed in file domain.tab. If not listed, provides
2651: ## appropriate default domain and kerberos version.
2652: ##
2653: #-------------------------------------------
2654:
2655: =pod
2656:
2657: =item * &get_kerberos_defaults()
2658:
2659: get_kerberos_defaults($target_domain) returns the default kerberos
2660: version and domain. If not found, it defaults to version 4 and the
2661: domain of the server.
2662:
2663: =over 4
2664:
2665: ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
2666:
2667: =back
2668:
2669: =back
2670:
2671: =cut
2672:
2673: #-------------------------------------------
2674: sub get_kerberos_defaults {
2675: my $domain=shift;
2676: my ($krbdef,$krbdefdom);
2677: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
2678: if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
2679: $krbdef = $domdefaults{'auth_def'};
2680: $krbdefdom = $domdefaults{'auth_arg_def'};
2681: } else {
2682: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
2683: my $krbdefdom=$1;
2684: $krbdefdom=~tr/a-z/A-Z/;
2685: $krbdef = "krb4";
2686: }
2687: return ($krbdef,$krbdefdom);
2688: }
2689:
2690:
2691: ###############################################################
2692: ## Thesaurus Functions ##
2693: ###############################################################
2694:
2695: =pod
2696:
2697: =head1 Thesaurus Functions
2698:
2699: =over 4
2700:
2701: =item * &initialize_keywords()
2702:
2703: Initializes the package variable %Keywords if it is empty. Uses the
2704: package variable $thesaurus_db_file.
2705:
2706: =cut
2707:
2708: ###################################################
2709:
2710: sub initialize_keywords {
2711: return 1 if (scalar keys(%Keywords));
2712: # If we are here, %Keywords is empty, so fill it up
2713: # Make sure the file we need exists...
2714: if (! -e $thesaurus_db_file) {
2715: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file".
2716: " failed because it does not exist");
2717: return 0;
2718: }
2719: # Set up the hash as a database
2720: my %thesaurus_db;
2721: if (! tie(%thesaurus_db,'GDBM_File',
2722: $thesaurus_db_file,&GDBM_READER(),0640)){
2723: &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
2724: $thesaurus_db_file);
2725: return 0;
2726: }
2727: # Get the average number of appearances of a word.
2728: my $avecount = $thesaurus_db{'average.count'};
2729: # Put keywords (those that appear > average) into %Keywords
2730: while (my ($word,$data)=each (%thesaurus_db)) {
2731: my ($count,undef) = split /:/,$data;
2732: $Keywords{$word}++ if ($count > $avecount);
2733: }
2734: untie %thesaurus_db;
2735: # Remove special values from %Keywords.
2736: foreach my $value ('total.count','average.count') {
2737: delete($Keywords{$value}) if (exists($Keywords{$value}));
2738: }
2739: return 1;
2740: }
2741:
2742: ###################################################
2743:
2744: =pod
2745:
2746: =item * &keyword($word)
2747:
2748: Returns true if $word is a keyword. A keyword is a word that appears more
2749: than the average number of times in the thesaurus database. Calls
2750: &initialize_keywords
2751:
2752: =cut
2753:
2754: ###################################################
2755:
2756: sub keyword {
2757: return if (!&initialize_keywords());
2758: my $word=lc(shift());
2759: $word=~s/\W//g;
2760: return exists($Keywords{$word});
2761: }
2762:
2763: ###############################################################
2764:
2765: =pod
2766:
2767: =item * &get_related_words()
2768:
2769: Look up a word in the thesaurus. Takes a scalar argument and returns
2770: an array of words. If the keyword is not in the thesaurus, an empty array
2771: will be returned. The order of the words returned is determined by the
2772: database which holds them.
2773:
2774: Uses global $thesaurus_db_file.
2775:
2776: =cut
2777:
2778: ###############################################################
2779: sub get_related_words {
2780: my $keyword = shift;
2781: my %thesaurus_db;
2782: if (! -e $thesaurus_db_file) {
2783: &Apache::lonnet::logthis("Attempt to access $thesaurus_db_file ".
2784: "failed because the file does not exist");
2785: return ();
2786: }
2787: if (! tie(%thesaurus_db,'GDBM_File',
2788: $thesaurus_db_file,&GDBM_READER(),0640)){
2789: return ();
2790: }
2791: my @Words=();
2792: my $count=0;
2793: if (exists($thesaurus_db{$keyword})) {
2794: # The first element is the number of times
2795: # the word appears. We do not need it now.
2796: my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
2797: my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
2798: my $threshold=$mostfrequentcount/10;
2799: foreach my $possibleword (@RelatedWords) {
2800: my ($word,$wordcount)=split(/\,/,$possibleword);
2801: if ($wordcount>$threshold) {
2802: push(@Words,$word);
2803: $count++;
2804: if ($count>10) { last; }
2805: }
2806: }
2807: }
2808: untie %thesaurus_db;
2809: return @Words;
2810: }
2811:
2812: =pod
2813:
2814: =back
2815:
2816: =cut
2817:
2818: # -------------------------------------------------------------- Plaintext name
2819: =pod
2820:
2821: =head1 User Name Functions
2822:
2823: =over 4
2824:
2825: =item * &plainname($uname,$udom,$first)
2826:
2827: Takes a users logon name and returns it as a string in
2828: "first middle last generation" form
2829: if $first is set to 'lastname' then it returns it as
2830: 'lastname generation, firstname middlename' if their is a lastname
2831:
2832: =cut
2833:
2834:
2835: ###############################################################
2836: sub plainname {
2837: my ($uname,$udom,$first)=@_;
2838: return if (!defined($uname) || !defined($udom));
2839: my %names=&getnames($uname,$udom);
2840: my $name=&Apache::lonnet::format_name($names{'firstname'},
2841: $names{'middlename'},
2842: $names{'lastname'},
2843: $names{'generation'},$first);
2844: $name=~s/^\s+//;
2845: $name=~s/\s+$//;
2846: $name=~s/\s+/ /g;
2847: if ($name !~ /\S/) { $name=$uname.':'.$udom; }
2848: return $name;
2849: }
2850:
2851: # -------------------------------------------------------------------- Nickname
2852: =pod
2853:
2854: =item * &nickname($uname,$udom)
2855:
2856: Gets a users name and returns it as a string as
2857:
2858: ""nickname""
2859:
2860: if the user has a nickname or
2861:
2862: "first middle last generation"
2863:
2864: if the user does not
2865:
2866: =cut
2867:
2868: sub nickname {
2869: my ($uname,$udom)=@_;
2870: return if (!defined($uname) || !defined($udom));
2871: my %names=&getnames($uname,$udom);
2872: my $name=$names{'nickname'};
2873: if ($name) {
2874: $name='"'.$name.'"';
2875: } else {
2876: $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
2877: $names{'lastname'}.' '.$names{'generation'};
2878: $name=~s/\s+$//;
2879: $name=~s/\s+/ /g;
2880: }
2881: return $name;
2882: }
2883:
2884: sub getnames {
2885: my ($uname,$udom)=@_;
2886: return if (!defined($uname) || !defined($udom));
2887: if ($udom eq 'public' && $uname eq 'public') {
2888: return ('lastname' => &mt('Public'));
2889: }
2890: my $id=$uname.':'.$udom;
2891: my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
2892: if ($cached) {
2893: return %{$names};
2894: } else {
2895: my %loadnames=&Apache::lonnet::get('environment',
2896: ['firstname','middlename','lastname','generation','nickname'],
2897: $udom,$uname);
2898: &Apache::lonnet::do_cache_new('namescache',$id,\%loadnames);
2899: return %loadnames;
2900: }
2901: }
2902:
2903: # -------------------------------------------------------------------- getemails
2904:
2905: =pod
2906:
2907: =item * &getemails($uname,$udom)
2908:
2909: Gets a user's email information and returns it as a hash with keys:
2910: notification, critnotification, permanentemail
2911:
2912: For notification and critnotification, values are comma-separated lists
2913: of e-mail addresses; for permanentemail, value is a single e-mail address.
2914:
2915:
2916: =cut
2917:
2918:
2919: sub getemails {
2920: my ($uname,$udom)=@_;
2921: if ($udom eq 'public' && $uname eq 'public') {
2922: return;
2923: }
2924: if (!$udom) { $udom=$env{'user.domain'}; }
2925: if (!$uname) { $uname=$env{'user.name'}; }
2926: my $id=$uname.':'.$udom;
2927: my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id);
2928: if ($cached) {
2929: return %{$names};
2930: } else {
2931: my %loadnames=&Apache::lonnet::get('environment',
2932: ['notification','critnotification',
2933: 'permanentemail'],
2934: $udom,$uname);
2935: &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames);
2936: return %loadnames;
2937: }
2938: }
2939:
2940: sub flush_email_cache {
2941: my ($uname,$udom)=@_;
2942: if (!$udom) { $udom =$env{'user.domain'}; }
2943: if (!$uname) { $uname=$env{'user.name'}; }
2944: return if ($udom eq 'public' && $uname eq 'public');
2945: my $id=$uname.':'.$udom;
2946: &Apache::lonnet::devalidate_cache_new('emailscache',$id);
2947: }
2948:
2949: # -------------------------------------------------------------------- getlangs
2950:
2951: =pod
2952:
2953: =item * &getlangs($uname,$udom)
2954:
2955: Gets a user's language preference and returns it as a hash with key:
2956: language.
2957:
2958: =cut
2959:
2960:
2961: sub getlangs {
2962: my ($uname,$udom) = @_;
2963: if (!$udom) { $udom =$env{'user.domain'}; }
2964: if (!$uname) { $uname=$env{'user.name'}; }
2965: my $id=$uname.':'.$udom;
2966: my ($langs,$cached)=&Apache::lonnet::is_cached_new('userlangs',$id);
2967: if ($cached) {
2968: return %{$langs};
2969: } else {
2970: my %loadlangs=&Apache::lonnet::get('environment',['languages'],
2971: $udom,$uname);
2972: &Apache::lonnet::do_cache_new('userlangs',$id,\%loadlangs);
2973: return %loadlangs;
2974: }
2975: }
2976:
2977: sub flush_langs_cache {
2978: my ($uname,$udom)=@_;
2979: if (!$udom) { $udom =$env{'user.domain'}; }
2980: if (!$uname) { $uname=$env{'user.name'}; }
2981: return if ($udom eq 'public' && $uname eq 'public');
2982: my $id=$uname.':'.$udom;
2983: &Apache::lonnet::devalidate_cache_new('userlangs',$id);
2984: }
2985:
2986: # ------------------------------------------------------------------ Screenname
2987:
2988: =pod
2989:
2990: =item * &screenname($uname,$udom)
2991:
2992: Gets a users screenname and returns it as a string
2993:
2994: =cut
2995:
2996: sub screenname {
2997: my ($uname,$udom)=@_;
2998: if ($uname eq $env{'user.name'} &&
2999: $udom eq $env{'user.domain'}) {return $env{'environment.screenname'};}
3000: my %names=&Apache::lonnet::get('environment',['screenname'],$udom,$uname);
3001: return $names{'screenname'};
3002: }
3003:
3004:
3005: # ------------------------------------------------------------- Confirm Wrapper
3006: =pod
3007:
3008: =item confirmwrapper
3009:
3010: Wrap messages about completion of operation in box
3011:
3012: =cut
3013:
3014: sub confirmwrapper {
3015: my ($message)=@_;
3016: if ($message) {
3017: return "\n".'<div class="LC_confirm_box">'."\n"
3018: .$message."\n"
3019: .'</div>'."\n";
3020: } else {
3021: return $message;
3022: }
3023: }
3024:
3025: # ------------------------------------------------------------- Message Wrapper
3026:
3027: sub messagewrapper {
3028: my ($link,$username,$domain,$subject,$text)=@_;
3029: return
3030: '<a href="/adm/email?compose=individual&'.
3031: 'recname='.$username.'&recdom='.$domain.
3032: '&subject='.&escape($subject).'&text='.&escape($text).'" '.
3033: 'title="'.&mt('Send message').'">'.$link.'</a>';
3034: }
3035:
3036: # --------------------------------------------------------------- Notes Wrapper
3037:
3038: sub noteswrapper {
3039: my ($link,$un,$do)=@_;
3040: return
3041: "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
3042: }
3043:
3044: # ------------------------------------------------------------- Aboutme Wrapper
3045:
3046: sub aboutmewrapper {
3047: my ($link,$username,$domain,$target)=@_;
3048: if (!defined($username) && !defined($domain)) {
3049: return;
3050: }
3051: return '<a href="/adm/'.$domain.'/'.$username.'/aboutme?forcestudent=1"'.
3052: ($target?' target="$target"':'').' title="'.&mt("View this user's personal information page").'">'.$link.'</a>';
3053: }
3054:
3055: # ------------------------------------------------------------ Syllabus Wrapper
3056:
3057: sub syllabuswrapper {
3058: my ($linktext,$coursedir,$domain)=@_;
3059: return qq{<a href="/public/$domain/$coursedir/syllabus">$linktext</a>};
3060: }
3061:
3062: # -----------------------------------------------------------------------------
3063:
3064: sub track_student_link {
3065: my ($linktext,$sname,$sdom,$target,$start,$only_body) = @_;
3066: my $link ="/adm/trackstudent?";
3067: my $title = 'View recent activity';
3068: if (defined($sname) && $sname !~ /^\s*$/ &&
3069: defined($sdom) && $sdom !~ /^\s*$/) {
3070: $link .= "selected_student=$sname:$sdom";
3071: $title .= ' of this student';
3072: }
3073: if (defined($target) && $target !~ /^\s*$/) {
3074: $target = qq{target="$target"};
3075: } else {
3076: $target = '';
3077: }
3078: if ($start) { $link.='&start='.$start; }
3079: if ($only_body) { $link .= '&only_body=1'; }
3080: $title = &mt($title);
3081: $linktext = &mt($linktext);
3082: return qq{<a href="$link" title="$title" $target>$linktext</a>}.
3083: &help_open_topic('View_recent_activity');
3084: }
3085:
3086: sub slot_reservations_link {
3087: my ($linktext,$sname,$sdom,$target) = @_;
3088: my $link ="/adm/slotrequest?command=showresv&origin=aboutme";
3089: my $title = 'View slot reservation history';
3090: if (defined($sname) && $sname !~ /^\s*$/ &&
3091: defined($sdom) && $sdom !~ /^\s*$/) {
3092: $link .= "&uname=$sname&udom=$sdom";
3093: $title .= ' of this student';
3094: }
3095: if (defined($target) && $target !~ /^\s*$/) {
3096: $target = qq{target="$target"};
3097: } else {
3098: $target = '';
3099: }
3100: $title = &mt($title);
3101: $linktext = &mt($linktext);
3102: return qq{<a href="$link" title="$title" $target>$linktext</a>};
3103: # FIXME uncomment when help item created: &help_open_topic('Slot_Reservation_History');
3104:
3105: }
3106:
3107: # ===================================================== Display a student photo
3108:
3109:
3110: sub student_image_tag {
3111: my ($domain,$user)=@_;
3112: my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg');
3113: if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) {
3114: return '<img src="'.$imgsrc.'" align="right" />';
3115: } else {
3116: return '';
3117: }
3118: }
3119:
3120: =pod
3121:
3122: =back
3123:
3124: =head1 Access .tab File Data
3125:
3126: =over 4
3127:
3128: =item * &languageids()
3129:
3130: returns list of all language ids
3131:
3132: =cut
3133:
3134: sub languageids {
3135: return sort(keys(%language));
3136: }
3137:
3138: =pod
3139:
3140: =item * &languagedescription()
3141:
3142: returns description of a specified language id
3143:
3144: =cut
3145:
3146: sub languagedescription {
3147: my $code=shift;
3148: return ($supported_language{$code}?'* ':'').
3149: $language{$code}.
3150: ($supported_language{$code}?' ('.&mt('interface available').')':'');
3151: }
3152:
3153: sub plainlanguagedescription {
3154: my $code=shift;
3155: return $language{$code};
3156: }
3157:
3158: sub supportedlanguagecode {
3159: my $code=shift;
3160: return $supported_language{$code};
3161: }
3162:
3163: =pod
3164:
3165: =item * ©rightids()
3166:
3167: returns list of all copyrights
3168:
3169: =cut
3170:
3171: sub copyrightids {
3172: return sort(keys(%cprtag));
3173: }
3174:
3175: =pod
3176:
3177: =item * ©rightdescription()
3178:
3179: returns description of a specified copyright id
3180:
3181: =cut
3182:
3183: sub copyrightdescription {
3184: return &mt($cprtag{shift(@_)});
3185: }
3186:
3187: =pod
3188:
3189: =item * &source_copyrightids()
3190:
3191: returns list of all source copyrights
3192:
3193: =cut
3194:
3195: sub source_copyrightids {
3196: return sort(keys(%scprtag));
3197: }
3198:
3199: =pod
3200:
3201: =item * &source_copyrightdescription()
3202:
3203: returns description of a specified source copyright id
3204:
3205: =cut
3206:
3207: sub source_copyrightdescription {
3208: return &mt($scprtag{shift(@_)});
3209: }
3210:
3211: =pod
3212:
3213: =item * &filecategories()
3214:
3215: returns list of all file categories
3216:
3217: =cut
3218:
3219: sub filecategories {
3220: return sort(keys(%category_extensions));
3221: }
3222:
3223: =pod
3224:
3225: =item * &filecategorytypes()
3226:
3227: returns list of file types belonging to a given file
3228: category
3229:
3230: =cut
3231:
3232: sub filecategorytypes {
3233: my ($cat) = @_;
3234: return @{$category_extensions{lc($cat)}};
3235: }
3236:
3237: =pod
3238:
3239: =item * &fileembstyle()
3240:
3241: returns embedding style for a specified file type
3242:
3243: =cut
3244:
3245: sub fileembstyle {
3246: return $fe{lc(shift(@_))};
3247: }
3248:
3249: sub filemimetype {
3250: return $fm{lc(shift(@_))};
3251: }
3252:
3253:
3254: sub filecategoryselect {
3255: my ($name,$value)=@_;
3256: return &select_form($value,$name,
3257: {'' => &mt('Any category'), map { $_,$_ } sort(keys(%category_extensions))});
3258: }
3259:
3260: =pod
3261:
3262: =item * &filedescription()
3263:
3264: returns description for a specified file type
3265:
3266: =cut
3267:
3268: sub filedescription {
3269: my $file_description = $fd{lc(shift())};
3270: $file_description =~ s:([\[\]]):~$1:g;
3271: return &mt($file_description);
3272: }
3273:
3274: =pod
3275:
3276: =item * &filedescriptionex()
3277:
3278: returns description for a specified file type with
3279: extra formatting
3280:
3281: =cut
3282:
3283: sub filedescriptionex {
3284: my $ex=shift;
3285: my $file_description = $fd{lc($ex)};
3286: $file_description =~ s:([\[\]]):~$1:g;
3287: return '.'.$ex.' '.&mt($file_description);
3288: }
3289:
3290: # End of .tab access
3291: =pod
3292:
3293: =back
3294:
3295: =cut
3296:
3297: # ------------------------------------------------------------------ File Types
3298: sub fileextensions {
3299: return sort(keys(%fe));
3300: }
3301:
3302: # ----------------------------------------------------------- Display Languages
3303: # returns a hash with all desired display languages
3304: #
3305:
3306: sub display_languages {
3307: my %languages=();
3308: foreach my $lang (&Apache::lonlocal::preferred_languages()) {
3309: $languages{$lang}=1;
3310: }
3311: &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
3312: if ($env{'form.displaylanguage'}) {
3313: foreach my $lang (split(/\s*(\,|\;|\:)\s*/,$env{'form.displaylanguage'})) {
3314: $languages{$lang}=1;
3315: }
3316: }
3317: return %languages;
3318: }
3319:
3320: sub languages {
3321: my ($possible_langs) = @_;
3322: my @preferred_langs = &Apache::lonlocal::preferred_languages();
3323: if (!ref($possible_langs)) {
3324: if( wantarray ) {
3325: return @preferred_langs;
3326: } else {
3327: return $preferred_langs[0];
3328: }
3329: }
3330: my %possibilities = map { $_ => 1 } (@$possible_langs);
3331: my @preferred_possibilities;
3332: foreach my $preferred_lang (@preferred_langs) {
3333: if (exists($possibilities{$preferred_lang})) {
3334: push(@preferred_possibilities, $preferred_lang);
3335: }
3336: }
3337: if( wantarray ) {
3338: return @preferred_possibilities;
3339: }
3340: return $preferred_possibilities[0];
3341: }
3342:
3343: sub user_lang {
3344: my ($touname,$toudom,$fromcid) = @_;
3345: my @userlangs;
3346: if (($fromcid ne '') && ($env{'course.'.$fromcid.'.languages'} ne '')) {
3347: @userlangs=(@userlangs,split(/\s*(\,|\;|\:)\s*/,
3348: $env{'course.'.$fromcid.'.languages'}));
3349: } else {
3350: my %langhash = &getlangs($touname,$toudom);
3351: if ($langhash{'languages'} ne '') {
3352: @userlangs = split(/\s*(\,|\;|\:)\s*/,$langhash{'languages'});
3353: } else {
3354: my %domdefs = &Apache::lonnet::get_domain_defaults($toudom);
3355: if ($domdefs{'lang_def'} ne '') {
3356: @userlangs = ($domdefs{'lang_def'});
3357: }
3358: }
3359: }
3360: my @languages=&Apache::lonlocal::get_genlanguages(@userlangs);
3361: my $user_lh = Apache::localize->get_handle(@languages);
3362: return $user_lh;
3363: }
3364:
3365:
3366: ###############################################################
3367: ## Student Answer Attempts ##
3368: ###############################################################
3369:
3370: =pod
3371:
3372: =head1 Alternate Problem Views
3373:
3374: =over 4
3375:
3376: =item * &get_previous_attempt($symb, $username, $domain, $course,
3377: $getattempt, $regexp, $gradesub)
3378:
3379: Return string with previous attempt on problem. Arguments:
3380:
3381: =over 4
3382:
3383: =item * $symb: Problem, including path
3384:
3385: =item * $username: username of the desired student
3386:
3387: =item * $domain: domain of the desired student
3388:
3389: =item * $course: Course ID
3390:
3391: =item * $getattempt: Leave blank for all attempts, otherwise put
3392: something
3393:
3394: =item * $regexp: if string matches this regexp, the string will be
3395: sent to $gradesub
3396:
3397: =item * $gradesub: routine that processes the string if it matches $regexp
3398:
3399: =back
3400:
3401: The output string is a table containing all desired attempts, if any.
3402:
3403: =cut
3404:
3405: sub get_previous_attempt {
3406: my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
3407: my $prevattempts='';
3408: no strict 'refs';
3409: if ($symb) {
3410: my (%returnhash)=
3411: &Apache::lonnet::restore($symb,$course,$domain,$username);
3412: if ($returnhash{'version'}) {
3413: my %lasthash=();
3414: my $version;
3415: for ($version=1;$version<=$returnhash{'version'};$version++) {
3416: foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
3417: $lasthash{$key}=$returnhash{$version.':'.$key};
3418: }
3419: }
3420: $prevattempts=&start_data_table().&start_data_table_header_row();
3421: $prevattempts.='<th>'.&mt('History').'</th>';
3422: my (%typeparts,%lasthidden);
3423: my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
3424: foreach my $key (sort(keys(%lasthash))) {
3425: my ($ign,@parts) = split(/\./,$key);
3426: if ($#parts > 0) {
3427: my $data=$parts[-1];
3428: next if ($data eq 'foilorder');
3429: pop(@parts);
3430: if ($data eq 'type') {
3431: unless ($showsurv) {
3432: my $id = join(',',@parts);
3433: $typeparts{$ign.'.'.$id} = $lasthash{$key};
3434: if (($lasthash{$key} eq 'anonsurvey') || ($lasthash{$key} eq 'anonsurveycred')) {
3435: $lasthidden{$ign.'.'.$id} = 1;
3436: }
3437: }
3438: delete($lasthash{$key});
3439: } else {
3440: $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.' </th>';
3441: }
3442: } else {
3443: if ($#parts == 0) {
3444: $prevattempts.='<th>'.$parts[0].'</th>';
3445: } else {
3446: $prevattempts.='<th>'.$ign.'</th>';
3447: }
3448: }
3449: }
3450: $prevattempts.=&end_data_table_header_row();
3451: if ($getattempt eq '') {
3452: for ($version=1;$version<=$returnhash{'version'};$version++) {
3453: my @hidden;
3454: if (%typeparts) {
3455: foreach my $id (keys(%typeparts)) {
3456: if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
3457: push(@hidden,$id);
3458: }
3459: }
3460: }
3461: $prevattempts.=&start_data_table_row().
3462: '<td>'.&mt('Transaction [_1]',$version).'</td>';
3463: if (@hidden) {
3464: foreach my $key (sort(keys(%lasthash))) {
3465: next if ($key =~ /\.foilorder$/);
3466: my $hide;
3467: foreach my $id (@hidden) {
3468: if ($key =~ /^\Q$id\E/) {
3469: $hide = 1;
3470: last;
3471: }
3472: }
3473: if ($hide) {
3474: my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
3475: if (($data eq 'award') || ($data eq 'awarddetail')) {
3476: my $value = &format_previous_attempt_value($key,
3477: $returnhash{$version.':'.$key});
3478: $prevattempts.='<td>'.$value.' </td>';
3479: } else {
3480: $prevattempts.='<td> </td>';
3481: }
3482: } else {
3483: if ($key =~ /\./) {
3484: my $value = &format_previous_attempt_value($key,
3485: $returnhash{$version.':'.$key});
3486: $prevattempts.='<td>'.$value.' </td>';
3487: } else {
3488: $prevattempts.='<td> </td>';
3489: }
3490: }
3491: }
3492: } else {
3493: foreach my $key (sort(keys(%lasthash))) {
3494: next if ($key =~ /\.foilorder$/);
3495: my $value = &format_previous_attempt_value($key,
3496: $returnhash{$version.':'.$key});
3497: $prevattempts.='<td>'.$value.' </td>';
3498: }
3499: }
3500: $prevattempts.=&end_data_table_row();
3501: }
3502: }
3503: my @currhidden = keys(%lasthidden);
3504: $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
3505: foreach my $key (sort(keys(%lasthash))) {
3506: next if ($key =~ /\.foilorder$/);
3507: if (%typeparts) {
3508: my $hidden;
3509: foreach my $id (@currhidden) {
3510: if ($key =~ /^\Q$id\E/) {
3511: $hidden = 1;
3512: last;
3513: }
3514: }
3515: if ($hidden) {
3516: my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
3517: if (($data eq 'award') || ($data eq 'awarddetail')) {
3518: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3519: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3520: $value = &$gradesub($value);
3521: }
3522: $prevattempts.='<td>'.$value.' </td>';
3523: } else {
3524: $prevattempts.='<td> </td>';
3525: }
3526: } else {
3527: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3528: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3529: $value = &$gradesub($value);
3530: }
3531: $prevattempts.='<td>'.$value.' </td>';
3532: }
3533: } else {
3534: my $value = &format_previous_attempt_value($key,$lasthash{$key});
3535: if ($key =~/$regexp$/ && (defined &$gradesub)) {
3536: $value = &$gradesub($value);
3537: }
3538: $prevattempts.='<td>'.$value.' </td>';
3539: }
3540: }
3541: $prevattempts.= &end_data_table_row().&end_data_table();
3542: } else {
3543: $prevattempts=
3544: &start_data_table().&start_data_table_row().
3545: '<td>'.&mt('Nothing submitted - no attempts.').'</td>'.
3546: &end_data_table_row().&end_data_table();
3547: }
3548: } else {
3549: $prevattempts=
3550: &start_data_table().&start_data_table_row().
3551: '<td>'.&mt('No data.').'</td>'.
3552: &end_data_table_row().&end_data_table();
3553: }
3554: }
3555:
3556: sub format_previous_attempt_value {
3557: my ($key,$value) = @_;
3558: if ($key =~ /timestamp/) {
3559: $value = &Apache::lonlocal::locallocaltime($value);
3560: } elsif (ref($value) eq 'ARRAY') {
3561: $value = '('.join(', ', @{ $value }).')';
3562: } elsif ($key =~ /answerstring$/) {
3563: my %answers = &Apache::lonnet::str2hash($value);
3564: my @anskeys = sort(keys(%answers));
3565: if (@anskeys == 1) {
3566: my $answer = $answers{$anskeys[0]};
3567: if ($answer =~ m{\Q\0\E}) {
3568: $answer =~ s{\Q\0\E}{, }g;
3569: }
3570: my $tag_internal_answer_name = 'INTERNAL';
3571: if ($anskeys[0] eq $tag_internal_answer_name) {
3572: $value = $answer;
3573: } else {
3574: $value = $anskeys[0].'='.$answer;
3575: }
3576: } else {
3577: foreach my $ans (@anskeys) {
3578: my $answer = $answers{$ans};
3579: if ($answer =~ m{\Q\0\E}) {
3580: $answer =~ s{\Q\0\E}{, }g;
3581: }
3582: $value .= $ans.'='.$answer.'<br />';;
3583: }
3584: }
3585: } else {
3586: $value = &unescape($value);
3587: }
3588: return $value;
3589: }
3590:
3591:
3592: sub relative_to_absolute {
3593: my ($url,$output)=@_;
3594: my $parser=HTML::TokeParser->new(\$output);
3595: my $token;
3596: my $thisdir=$url;
3597: my @rlinks=();
3598: while ($token=$parser->get_token) {
3599: if ($token->[0] eq 'S') {
3600: if ($token->[1] eq 'a') {
3601: if ($token->[2]->{'href'}) {
3602: $rlinks[$#rlinks+1]=$token->[2]->{'href'};
3603: }
3604: } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
3605: $rlinks[$#rlinks+1]=$token->[2]->{'src'};
3606: } elsif ($token->[1] eq 'base') {
3607: $thisdir=$token->[2]->{'href'};
3608: }
3609: }
3610: }
3611: $thisdir=~s-/[^/]*$--;
3612: foreach my $link (@rlinks) {
3613: unless (($link=~/^https?\:\/\//i) ||
3614: ($link=~/^\//) ||
3615: ($link=~/^javascript:/i) ||
3616: ($link=~/^mailto:/i) ||
3617: ($link=~/^\#/)) {
3618: my $newlocation=&Apache::lonnet::hreflocation($thisdir,$link);
3619: $output=~s/(\"|\'|\=\s*)\Q$link\E(\"|\'|\s|\>)/$1$newlocation$2/;
3620: }
3621: }
3622: # -------------------------------------------------- Deal with Applet codebases
3623: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
3624: return $output;
3625: }
3626:
3627: =pod
3628:
3629: =item * &get_student_view()
3630:
3631: show a snapshot of what student was looking at
3632:
3633: =cut
3634:
3635: sub get_student_view {
3636: my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
3637: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3638: my (%form);
3639: my @elements=('symb','courseid','domain','username');
3640: foreach my $element (@elements) {
3641: $form{'grade_'.$element}=eval '$'.$element #'
3642: }
3643: if (defined($moreenv)) {
3644: %form=(%form,%{$moreenv});
3645: }
3646: if (defined($target)) { $form{'grade_target'} = $target; }
3647: $feedurl=&Apache::lonnet::clutter($feedurl);
3648: my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form);
3649: $userview=~s/\<body[^\>]*\>//gi;
3650: $userview=~s/\<\/body\>//gi;
3651: $userview=~s/\<html\>//gi;
3652: $userview=~s/\<\/html\>//gi;
3653: $userview=~s/\<head\>//gi;
3654: $userview=~s/\<\/head\>//gi;
3655: $userview=~s/action\s*\=/would_be_action\=/gi;
3656: $userview=&relative_to_absolute($feedurl,$userview);
3657: if (wantarray) {
3658: return ($userview,$response);
3659: } else {
3660: return $userview;
3661: }
3662: }
3663:
3664: sub get_student_view_with_retries {
3665: my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
3666:
3667: my $ok = 0; # True if we got a good response.
3668: my $content;
3669: my $response;
3670:
3671: # Try to get the student_view done. within the retries count:
3672:
3673: do {
3674: ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
3675: $ok = $response->is_success;
3676: if (!$ok) {
3677: &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
3678: }
3679: $retries--;
3680: } while (!$ok && ($retries > 0));
3681:
3682: if (!$ok) {
3683: $content = ''; # On error return an empty content.
3684: }
3685: if (wantarray) {
3686: return ($content, $response);
3687: } else {
3688: return $content;
3689: }
3690: }
3691:
3692: =pod
3693:
3694: =item * &get_student_answers()
3695:
3696: show a snapshot of how student was answering problem
3697:
3698: =cut
3699:
3700: sub get_student_answers {
3701: my ($symb,$username,$domain,$courseid,%form) = @_;
3702: my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
3703: my (%moreenv);
3704: my @elements=('symb','courseid','domain','username');
3705: foreach my $element (@elements) {
3706: $moreenv{'grade_'.$element}=eval '$'.$element #'
3707: }
3708: $moreenv{'grade_target'}='answer';
3709: %moreenv=(%form,%moreenv);
3710: $feedurl = &Apache::lonnet::clutter($feedurl);
3711: my $userview=&Apache::lonnet::ssi($feedurl,%moreenv);
3712: return $userview;
3713: }
3714:
3715: =pod
3716:
3717: =item * &submlink()
3718:
3719: Inputs: $text $uname $udom $symb $target
3720:
3721: Returns: A link to grades.pm such as to see the SUBM view of a student
3722:
3723: =cut
3724:
3725: ###############################################
3726: sub submlink {
3727: my ($text,$uname,$udom,$symb,$target)=@_;
3728: if (!($uname && $udom)) {
3729: (my $cursymb, my $courseid,$udom,$uname)=
3730: &Apache::lonnet::whichuser($symb);
3731: if (!$symb) { $symb=$cursymb; }
3732: }
3733: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
3734: $symb=&escape($symb);
3735: if ($target) { $target=" target=\"$target\""; }
3736: return
3737: '<a href="/adm/grades?command=submission'.
3738: '&symb='.$symb.
3739: '&student='.$uname.
3740: '&userdom='.$udom.'"'.
3741: $target.'>'.$text.'</a>';
3742: }
3743: ##############################################
3744:
3745: =pod
3746:
3747: =item * &pgrdlink()
3748:
3749: Inputs: $text $uname $udom $symb $target
3750:
3751: Returns: A link to grades.pm such as to see the PGRD view of a student
3752:
3753: =cut
3754:
3755: ###############################################
3756: sub pgrdlink {
3757: my $link=&submlink(@_);
3758: $link=~s/(&command=submission)/$1&showgrading=yes/;
3759: return $link;
3760: }
3761: ##############################################
3762:
3763: =pod
3764:
3765: =item * &pprmlink()
3766:
3767: Inputs: $text $uname $udom $symb $target
3768:
3769: Returns: A link to parmset.pm such as to see the PPRM view of a
3770: student and a specific resource
3771:
3772: =cut
3773:
3774: ###############################################
3775: sub pprmlink {
3776: my ($text,$uname,$udom,$symb,$target)=@_;
3777: if (!($uname && $udom)) {
3778: (my $cursymb, my $courseid,$udom,$uname)=
3779: &Apache::lonnet::whichuser($symb);
3780: if (!$symb) { $symb=$cursymb; }
3781: }
3782: if (!$symb) { $symb=&Apache::lonnet::symbread(); }
3783: $symb=&escape($symb);
3784: if ($target) { $target="target=\"$target\""; }
3785: return '<a href="/adm/parmset?command=set&'.
3786: 'symb='.$symb.'&uname='.$uname.
3787: '&udom='.$udom.'" '.$target.'>'.$text.'</a>';
3788: }
3789: ##############################################
3790:
3791: =pod
3792:
3793: =back
3794:
3795: =cut
3796:
3797: ###############################################
3798:
3799:
3800: sub timehash {
3801: my ($thistime) = @_;
3802: my $timezone = &Apache::lonlocal::gettimezone();
3803: my $dt = DateTime->from_epoch(epoch => $thistime)
3804: ->set_time_zone($timezone);
3805: my $wday = $dt->day_of_week();
3806: if ($wday == 7) { $wday = 0; }
3807: return ( 'second' => $dt->second(),
3808: 'minute' => $dt->minute(),
3809: 'hour' => $dt->hour(),
3810: 'day' => $dt->day_of_month(),
3811: 'month' => $dt->month(),
3812: 'year' => $dt->year(),
3813: 'weekday' => $wday,
3814: 'dayyear' => $dt->day_of_year(),
3815: 'dlsav' => $dt->is_dst() );
3816: }
3817:
3818: sub utc_string {
3819: my ($date)=@_;
3820: return strftime("%Y%m%dT%H%M%SZ",gmtime($date));
3821: }
3822:
3823: sub maketime {
3824: my %th=@_;
3825: my ($epoch_time,$timezone,$dt);
3826: $timezone = &Apache::lonlocal::gettimezone();
3827: eval {
3828: $dt = DateTime->new( year => $th{'year'},
3829: month => $th{'month'},
3830: day => $th{'day'},
3831: hour => $th{'hour'},
3832: minute => $th{'minute'},
3833: second => $th{'second'},
3834: time_zone => $timezone,
3835: );
3836: };
3837: if (!$@) {
3838: $epoch_time = $dt->epoch;
3839: if ($epoch_time) {
3840: return $epoch_time;
3841: }
3842: }
3843: return POSIX::mktime(
3844: ($th{'seconds'},$th{'minutes'},$th{'hours'},
3845: $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
3846: }
3847:
3848: #########################################
3849:
3850: sub findallcourses {
3851: my ($roles,$uname,$udom) = @_;
3852: my %roles;
3853: if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; }
3854: my %courses;
3855: my $now=time;
3856: if (!defined($uname)) {
3857: $uname = $env{'user.name'};
3858: }
3859: if (!defined($udom)) {
3860: $udom = $env{'user.domain'};
3861: }
3862: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
3863: my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
3864: my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,
3865: $extra);
3866: if (!%roles) {
3867: %roles = (
3868: cc => 1,
3869: co => 1,
3870: in => 1,
3871: ep => 1,
3872: ta => 1,
3873: cr => 1,
3874: st => 1,
3875: );
3876: }
3877: foreach my $entry (keys(%roleshash)) {
3878: my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry});
3879: if ($trole =~ /^cr/) {
3880: next if (!exists($roles{$trole}) && !exists($roles{'cr'}));
3881: } else {
3882: next if (!exists($roles{$trole}));
3883: }
3884: if ($tend) {
3885: next if ($tend < $now);
3886: }
3887: if ($tstart) {
3888: next if ($tstart > $now);
3889: }
3890: my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec);
3891: (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry);
3892: if ($secpart eq '') {
3893: ($cnum,$role) = split(/_/,$cnumpart);
3894: $sec = 'none';
3895: $realsec = '';
3896: } else {
3897: $cnum = $cnumpart;
3898: ($sec,$role) = split(/_/,$secpart);
3899: $realsec = $sec;
3900: }
3901: $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec;
3902: }
3903: } else {
3904: foreach my $key (keys(%env)) {
3905: if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} ||
3906: $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) {
3907: my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4);
3908: next if ($role eq 'ca' || $role eq 'aa');
3909: next if (%roles && !exists($roles{$role}));
3910: my ($starttime,$endtime)=split(/\./,$env{$key});
3911: my $active=1;
3912: if ($starttime) {
3913: if ($now<$starttime) { $active=0; }
3914: }
3915: if ($endtime) {
3916: if ($now>$endtime) { $active=0; }
3917: }
3918: if ($active) {
3919: if ($sec eq '') {
3920: $sec = 'none';
3921: }
3922: $courses{$cdom.'_'.$cnum}{$sec} =
3923: $role.'/'.$cdom.'/'.$cnum.'/'.$sec;
3924: }
3925: }
3926: }
3927: }
3928: return %courses;
3929: }
3930:
3931: ###############################################
3932:
3933: sub blockcheck {
3934: my ($setters,$activity,$uname,$udom) = @_;
3935:
3936: if (!defined($udom)) {
3937: $udom = $env{'user.domain'};
3938: }
3939: if (!defined($uname)) {
3940: $uname = $env{'user.name'};
3941: }
3942:
3943: # If uname and udom are for a course, check for blocks in the course.
3944:
3945: if (&Apache::lonnet::is_course($udom,$uname)) {
3946: my %records = &Apache::lonnet::dump('comm_block',$udom,$uname);
3947: my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname);
3948: return ($startblock,$endblock);
3949: }
3950:
3951: my $startblock = 0;
3952: my $endblock = 0;
3953: my %live_courses = &findallcourses(undef,$uname,$udom);
3954:
3955: # If uname is for a user, and activity is course-specific, i.e.,
3956: # boards, chat or groups, check for blocking in current course only.
3957:
3958: if (($activity eq 'boards' || $activity eq 'chat' ||
3959: $activity eq 'groups') && ($env{'request.course.id'})) {
3960: foreach my $key (keys(%live_courses)) {
3961: if ($key ne $env{'request.course.id'}) {
3962: delete($live_courses{$key});
3963: }
3964: }
3965: }
3966:
3967: my $otheruser = 0;
3968: my %own_courses;
3969: if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) {
3970: # Resource belongs to user other than current user.
3971: $otheruser = 1;
3972: # Gather courses for current user
3973: %own_courses =
3974: &findallcourses(undef,$env{'user.name'},$env{'user.domain'});
3975: }
3976:
3977: # Gather active course roles - course coordinator, instructor,
3978: # exam proctor, ta, student, or custom role.
3979:
3980: foreach my $course (keys(%live_courses)) {
3981: my ($cdom,$cnum);
3982: if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) {
3983: $cdom = $env{'course.'.$course.'.domain'};
3984: $cnum = $env{'course.'.$course.'.num'};
3985: } else {
3986: ($cdom,$cnum) = split(/_/,$course);
3987: }
3988: my $no_ownblock = 0;
3989: my $no_userblock = 0;
3990: if ($otheruser && $activity ne 'com') {
3991: # Check if current user has 'evb' priv for this
3992: if (defined($own_courses{$course})) {
3993: foreach my $sec (keys(%{$own_courses{$course}})) {
3994: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
3995: if ($sec ne 'none') {
3996: $checkrole .= '/'.$sec;
3997: }
3998: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
3999: $no_ownblock = 1;
4000: last;
4001: }
4002: }
4003: }
4004: # if they have 'evb' priv and are currently not playing student
4005: next if (($no_ownblock) &&
4006: ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
4007: }
4008: foreach my $sec (keys(%{$live_courses{$course}})) {
4009: my $checkrole = 'cm./'.$cdom.'/'.$cnum;
4010: if ($sec ne 'none') {
4011: $checkrole .= '/'.$sec;
4012: }
4013: if ($otheruser) {
4014: # Resource belongs to user other than current user.
4015: # Assemble privs for that user, and check for 'evb' priv.
4016: my ($trole,$tdom,$tnum,$tsec);
4017: my $entry = $live_courses{$course}{$sec};
4018: if ($entry =~ /^cr/) {
4019: ($trole,$tdom,$tnum,$tsec) =
4020: ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|);
4021: } else {
4022: ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry);
4023: }
4024: my ($spec,$area,$trest,%allroles,%userroles);
4025: $area = '/'.$tdom.'/'.$tnum;
4026: $trest = $tnum;
4027: if ($tsec ne '') {
4028: $area .= '/'.$tsec;
4029: $trest .= '/'.$tsec;
4030: }
4031: $spec = $trole.'.'.$area;
4032: if ($trole =~ /^cr/) {
4033: &Apache::lonnet::custom_roleprivs(\%allroles,$trole,
4034: $tdom,$spec,$trest,$area);
4035: } else {
4036: &Apache::lonnet::standard_roleprivs(\%allroles,$trole,
4037: $tdom,$spec,$trest,$area);
4038: }
4039: my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles);
4040: if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) {
4041: if ($1) {
4042: $no_userblock = 1;
4043: last;
4044: }
4045: }
4046: } else {
4047: # Resource belongs to current user
4048: # Check for 'evb' priv via lonnet::allowed().
4049: if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) {
4050: $no_ownblock = 1;
4051: last;
4052: }
4053: }
4054: }
4055: # if they have the evb priv and are currently not playing student
4056: next if (($no_ownblock) &&
4057: ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
4058: next if ($no_userblock);
4059:
4060: # Retrieve blocking times and identity of locker for course
4061: # of specified user, unless user has 'evb' privilege.
4062:
4063: my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum);
4064: if (($start != 0) &&
4065: (($startblock == 0) || ($startblock > $start))) {
4066: $startblock = $start;
4067: }
4068: if (($end != 0) &&
4069: (($endblock == 0) || ($endblock < $end))) {
4070: $endblock = $end;
4071: }
4072: }
4073: return ($startblock,$endblock);
4074: }
4075:
4076: sub get_blocks {
4077: my ($setters,$activity,$cdom,$cnum) = @_;
4078: my $startblock = 0;
4079: my $endblock = 0;
4080: my $course = $cdom.'_'.$cnum;
4081: $setters->{$course} = {};
4082: $setters->{$course}{'staff'} = [];
4083: $setters->{$course}{'times'} = [];
4084: my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
4085: foreach my $record (keys(%records)) {
4086: my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/);
4087: if ($start <= time && $end >= time) {
4088: my ($staff_name,$staff_dom,$title,$blocks) =
4089: &parse_block_record($records{$record});
4090: if ($blocks->{$activity} eq 'on') {
4091: push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
4092: push(@{$$setters{$course}{'times'}}, [$start,$end]);
4093: if ( ($startblock == 0) || ($startblock > $start) ) {
4094: $startblock = $start;
4095: }
4096: if ( ($endblock == 0) || ($endblock < $end) ) {
4097: $endblock = $end;
4098: }
4099: }
4100: }
4101: }
4102: return ($startblock,$endblock);
4103: }
4104:
4105: sub parse_block_record {
4106: my ($record) = @_;
4107: my ($setuname,$setudom,$title,$blocks);
4108: if (ref($record) eq 'HASH') {
4109: ($setuname,$setudom) = split(/:/,$record->{'setter'});
4110: $title = &unescape($record->{'event'});
4111: $blocks = $record->{'blocks'};
4112: } else {
4113: my @data = split(/:/,$record,3);
4114: if (scalar(@data) eq 2) {
4115: $title = $data[1];
4116: ($setuname,$setudom) = split(/@/,$data[0]);
4117: } else {
4118: ($setuname,$setudom,$title) = @data;
4119: }
4120: $blocks = { 'com' => 'on' };
4121: }
4122: return ($setuname,$setudom,$title,$blocks);
4123: }
4124:
4125: sub blocking_status {
4126: my ($activity,$uname,$udom) = @_;
4127: my %setters;
4128:
4129: # check for active blocking
4130: my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom);
4131:
4132: my $blocked = $startblock && $endblock ? 1 : 0;
4133:
4134: # caller just wants to know whether a block is active
4135: if (!wantarray) { return $blocked; }
4136:
4137: # build a link to a popup window containing the details
4138: my $querystring = "?activity=$activity";
4139: # $uname and $udom decide whose portfolio the user is trying to look at
4140: $querystring .= "&udom=$udom" if $udom;
4141: $querystring .= "&uname=$uname" if $uname;
4142:
4143: my $output .= <<'END_MYBLOCK';
4144: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
4145: var options = "width=" + w + ",height=" + h + ",";
4146: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
4147: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
4148: var newWin = window.open(url, wdwName, options);
4149: newWin.focus();
4150: }
4151: END_MYBLOCK
4152:
4153: $output = Apache::lonhtmlcommon::scripttag($output);
4154:
4155: my $popupUrl = "/adm/blockingstatus/$querystring";
4156: my $text = mt('Communication Blocked');
4157:
4158: $output .= <<"END_BLOCK";
4159: <div class='LC_comblock'>
4160: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
4161: title='$text'>
4162: <img class='LC_noBorder LC_middle' title='$text' src='/res/adm/pages/comblock.png' alt='$text'/></a>
4163: <a onclick='openWindow("$popupUrl","Blocking Table",600,300,"no","no");return false;' href='/adm/blockingstatus/$querystring'
4164: title='$text'>$text</a>
4165: </div>
4166:
4167: END_BLOCK
4168:
4169: return ($blocked, $output);
4170: }
4171:
4172: ###############################################
4173:
4174: sub check_ip_acc {
4175: my ($acc)=@_;
4176: &Apache::lonxml::debug("acc is $acc");
4177: if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
4178: return 1;
4179: }
4180: my $allowed=0;
4181: my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
4182:
4183: my $name;
4184: foreach my $pattern (split(',',$acc)) {
4185: $pattern =~ s/^\s*//;
4186: $pattern =~ s/\s*$//;
4187: if ($pattern =~ /\*$/) {
4188: #35.8.*
4189: $pattern=~s/\*//;
4190: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
4191: } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
4192: #35.8.3.[34-56]
4193: my $low=$2;
4194: my $high=$3;
4195: $pattern=$1;
4196: if ($ip =~ /^\Q$pattern\E/) {
4197: my $last=(split(/\./,$ip))[3];
4198: if ($last <=$high && $last >=$low) { $allowed=1; }
4199: }
4200: } elsif ($pattern =~ /^\*/) {
4201: #*.msu.edu
4202: $pattern=~s/\*//;
4203: if (!defined($name)) {
4204: use Socket;
4205: my $netaddr=inet_aton($ip);
4206: ($name)=gethostbyaddr($netaddr,AF_INET);
4207: }
4208: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4209: } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
4210: #127.0.0.1
4211: if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
4212: } else {
4213: #some.name.com
4214: if (!defined($name)) {
4215: use Socket;
4216: my $netaddr=inet_aton($ip);
4217: ($name)=gethostbyaddr($netaddr,AF_INET);
4218: }
4219: if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
4220: }
4221: if ($allowed) { last; }
4222: }
4223: return $allowed;
4224: }
4225:
4226: ###############################################
4227:
4228: =pod
4229:
4230: =head1 Domain Template Functions
4231:
4232: =over 4
4233:
4234: =item * &determinedomain()
4235:
4236: Inputs: $domain (usually will be undef)
4237:
4238: Returns: Determines which domain should be used for designs
4239:
4240: =cut
4241:
4242: ###############################################
4243: sub determinedomain {
4244: my $domain=shift;
4245: if (! $domain) {
4246: # Determine domain if we have not been given one
4247: $domain = &Apache::lonnet::default_login_domain();
4248: if ($env{'user.domain'}) { $domain=$env{'user.domain'}; }
4249: if ($env{'request.role.domain'}) {
4250: $domain=$env{'request.role.domain'};
4251: }
4252: }
4253: return $domain;
4254: }
4255: ###############################################
4256:
4257: sub devalidate_domconfig_cache {
4258: my ($udom)=@_;
4259: &Apache::lonnet::devalidate_cache_new('domainconfig',$udom);
4260: }
4261:
4262: # ---------------------- Get domain configuration for a domain
4263: sub get_domainconf {
4264: my ($udom) = @_;
4265: my $cachetime=1800;
4266: my ($result,$cached)=&Apache::lonnet::is_cached_new('domainconfig',$udom);
4267: if (defined($cached)) { return %{$result}; }
4268:
4269: my %domconfig = &Apache::lonnet::get_dom('configuration',
4270: ['login','rolecolors','autoenroll'],$udom);
4271: my (%designhash,%legacy);
4272: if (keys(%domconfig) > 0) {
4273: if (ref($domconfig{'login'}) eq 'HASH') {
4274: if (keys(%{$domconfig{'login'}})) {
4275: foreach my $key (keys(%{$domconfig{'login'}})) {
4276: if (ref($domconfig{'login'}{$key}) eq 'HASH') {
4277: if ($key eq 'loginvia') {
4278: if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
4279: my @ids = &Apache::lonnet::current_machine_ids();
4280: foreach my $hostname (@ids) {
4281: if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
4282: if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
4283: my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
4284: $designhash{$udom.'.login.loginvia'} = $server;
4285: if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
4286:
4287: $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
4288: } else {
4289: $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
4290: }
4291: if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
4292: $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
4293: }
4294: }
4295: }
4296: }
4297: }
4298: } else {
4299: foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
4300: $designhash{$udom.'.login.'.$key.'_'.$img} =
4301: $domconfig{'login'}{$key}{$img};
4302: }
4303: }
4304: } else {
4305: $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
4306: }
4307: }
4308: } else {
4309: $legacy{'login'} = 1;
4310: }
4311: } else {
4312: $legacy{'login'} = 1;
4313: }
4314: if (ref($domconfig{'rolecolors'}) eq 'HASH') {
4315: if (keys(%{$domconfig{'rolecolors'}})) {
4316: foreach my $role (keys(%{$domconfig{'rolecolors'}})) {
4317: if (ref($domconfig{'rolecolors'}{$role}) eq 'HASH') {
4318: foreach my $item (keys(%{$domconfig{'rolecolors'}{$role}})) {
4319: $designhash{$udom.'.'.$role.'.'.$item}=$domconfig{'rolecolors'}{$role}{$item};
4320: }
4321: }
4322: }
4323: } else {
4324: $legacy{'rolecolors'} = 1;
4325: }
4326: } else {
4327: $legacy{'rolecolors'} = 1;
4328: }
4329: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
4330: if ($domconfig{'autoenroll'}{'co-owners'}) {
4331: $designhash{$udom.'.autoassign.co-owners'}=$domconfig{'autoenroll'}{'co-owners'};
4332: }
4333: }
4334: if (keys(%legacy) > 0) {
4335: my %legacyhash = &get_legacy_domconf($udom);
4336: foreach my $item (keys(%legacyhash)) {
4337: if ($item =~ /^\Q$udom\E\.login/) {
4338: if ($legacy{'login'}) {
4339: $designhash{$item} = $legacyhash{$item};
4340: }
4341: } else {
4342: if ($legacy{'rolecolors'}) {
4343: $designhash{$item} = $legacyhash{$item};
4344: }
4345: }
4346: }
4347: }
4348: } else {
4349: %designhash = &get_legacy_domconf($udom);
4350: }
4351: &Apache::lonnet::do_cache_new('domainconfig',$udom,\%designhash,
4352: $cachetime);
4353: return %designhash;
4354: }
4355:
4356: sub get_legacy_domconf {
4357: my ($udom) = @_;
4358: my %legacyhash;
4359: my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
4360: my $designfile = $designdir.'/'.$udom.'.tab';
4361: if (-e $designfile) {
4362: if ( open (my $fh,"<$designfile") ) {
4363: while (my $line = <$fh>) {
4364: next if ($line =~ /^\#/);
4365: chomp($line);
4366: my ($key,$val)=(split(/\=/,$line));
4367: if ($val) { $legacyhash{$udom.'.'.$key}=$val; }
4368: }
4369: close($fh);
4370: }
4371: }
4372: if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
4373: $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
4374: }
4375: return %legacyhash;
4376: }
4377:
4378: =pod
4379:
4380: =item * &domainlogo()
4381:
4382: Inputs: $domain (usually will be undef)
4383:
4384: Returns: A link to a domain logo, if the domain logo exists.
4385: If the domain logo does not exist, a description of the domain.
4386:
4387: =cut
4388:
4389: ###############################################
4390: sub domainlogo {
4391: my $domain = &determinedomain(shift);
4392: my %designhash = &get_domainconf($domain);
4393: # See if there is a logo
4394: if ($designhash{$domain.'.login.domlogo'} ne '') {
4395: my $imgsrc = $designhash{$domain.'.login.domlogo'};
4396: if ($imgsrc =~ m{^/(adm|res)/}) {
4397: if ($imgsrc =~ m{^/res/}) {
4398: my $local_name = &Apache::lonnet::filelocation('',$imgsrc);
4399: &Apache::lonnet::repcopy($local_name);
4400: }
4401: $imgsrc = &lonhttpdurl($imgsrc);
4402: }
4403: return '<img src="'.$imgsrc.'" alt="'.$domain.'" />';
4404: } elsif (defined(&Apache::lonnet::domain($domain,'description'))) {
4405: return &Apache::lonnet::domain($domain,'description');
4406: } else {
4407: return '';
4408: }
4409: }
4410: ##############################################
4411:
4412: =pod
4413:
4414: =item * &designparm()
4415:
4416: Inputs: $which parameter; $domain (usually will be undef)
4417:
4418: Returns: value of designparamter $which
4419:
4420: =cut
4421:
4422:
4423: ##############################################
4424: sub designparm {
4425: my ($which,$domain)=@_;
4426: if (exists($env{'environment.color.'.$which})) {
4427: return $env{'environment.color.'.$which};
4428: }
4429: $domain=&determinedomain($domain);
4430: my %domdesign = &get_domainconf($domain);
4431: my $output;
4432: if ($domdesign{$domain.'.'.$which} ne '') {
4433: $output = $domdesign{$domain.'.'.$which};
4434: } else {
4435: $output = $defaultdesign{$which};
4436: }
4437: if (($which =~ /^(student|coordinator|author|admin)\.img$/) ||
4438: ($which =~ /login\.(img|logo|domlogo|login)/)) {
4439: if ($output =~ m{^/(adm|res)/}) {
4440: if ($output =~ m{^/res/}) {
4441: my $local_name = &Apache::lonnet::filelocation('',$output);
4442: &Apache::lonnet::repcopy($local_name);
4443: }
4444: $output = &lonhttpdurl($output);
4445: }
4446: }
4447: return $output;
4448: }
4449:
4450: ##############################################
4451: =pod
4452:
4453: =item * &authorspace()
4454:
4455: Inputs: ./.
4456:
4457: Returns: Path to the Construction Space of the current user's
4458: accessed author space
4459: The author space will be that of the current user
4460: when accessing the own author space
4461: and that of the co-author/assistent co-author
4462: when accessing the co-author's/assistent co-author's
4463: space
4464:
4465: =cut
4466:
4467: sub authorspace {
4468: my $caname = '';
4469: if ($env{'request.role'} =~ /^ca|^aa/) {
4470: (undef,$caname) =
4471: ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
4472: } else {
4473: $caname = $env{'user.name'};
4474: }
4475: return '/priv/'.$caname.'/';
4476: }
4477:
4478: ##############################################
4479: =pod
4480:
4481: =item * &head_subbox()
4482:
4483: Inputs: $content (contains HTML code with page functions, etc.)
4484:
4485: Returns: HTML div with $content
4486: To be included in page header
4487:
4488: =cut
4489:
4490: sub head_subbox {
4491: my ($content)=@_;
4492: my $output =
4493: '<div class="LC_head_subbox">'
4494: .$content
4495: .'</div>'
4496: }
4497:
4498: ##############################################
4499: =pod
4500:
4501: =item * &CSTR_pageheader()
4502:
4503: Inputs: ./.
4504:
4505: Returns: HTML div with CSTR path and recent box
4506: To be included on Construction Space pages
4507:
4508: =cut
4509:
4510: sub CSTR_pageheader {
4511: # this is for resources; directories have customtitle, and crumbs
4512: # and select recent are created in lonpubdir.pm
4513: my ($uname,$thisdisfn)=
4514: ($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
4515: my $formaction='/priv/'.$uname.'/'.$thisdisfn;
4516: $formaction=~s/\/+/\//g;
4517:
4518: my $parentpath = '';
4519: my $lastitem = '';
4520: if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
4521: $parentpath = $1;
4522: $lastitem = $2;
4523: } else {
4524: $lastitem = $thisdisfn;
4525: }
4526:
4527: my $output =
4528: '<div>'
4529: .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
4530: .'<b>'.&mt('Construction Space:').'</b> '
4531: .'<form name="dirs" method="post" action="'.$formaction
4532: .'" target="_top">' #FIXME lonpubdir: target="_parent"
4533: .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv',undef,undef);
4534:
4535: if ($lastitem) {
4536: $output .=
4537: '<span class="LC_filename">'
4538: .$lastitem
4539: .'</span>';
4540: }
4541: $output .=
4542: '<br />'
4543: #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."</b></tt><br />"
4544: .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
4545: .'</form>'
4546: .&Apache::lonmenu::constspaceform()
4547: .'</div>';
4548:
4549: return $output;
4550: }
4551:
4552: ###############################################
4553: ###############################################
4554:
4555: =pod
4556:
4557: =back
4558:
4559: =head1 HTML Helpers
4560:
4561: =over 4
4562:
4563: =item * &bodytag()
4564:
4565: Returns a uniform header for LON-CAPA web pages.
4566:
4567: Inputs:
4568:
4569: =over 4
4570:
4571: =item * $title, A title to be displayed on the page.
4572:
4573: =item * $function, the current role (can be undef).
4574:
4575: =item * $addentries, extra parameters for the <body> tag.
4576:
4577: =item * $bodyonly, if defined, only return the <body> tag.
4578:
4579: =item * $domain, if defined, force a given domain.
4580:
4581: =item * $forcereg, if page should register as content page (relevant for
4582: text interface only)
4583:
4584: =item * $no_nav_bar, if true, keep the 'what is this' info but remove the
4585: navigational links
4586:
4587: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
4588:
4589: =item * $args, optional argument valid values are
4590: no_auto_mt_title -> prevents &mt()ing the title arg
4591: inherit_jsmath -> when creating popup window in a page,
4592: should it have jsmath forced on by the
4593: current page
4594:
4595: =back
4596:
4597: Returns: A uniform header for LON-CAPA web pages.
4598: If $bodyonly is nonzero, a string containing a <body> tag will be returned.
4599: If $bodyonly is undef or zero, an html string containing a <body> tag and
4600: other decorations will be returned.
4601:
4602: =cut
4603:
4604: sub bodytag {
4605: my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
4606: $no_nav_bar,$bgcolor,$args)=@_;
4607:
4608: my $public;
4609: if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
4610: || ($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
4611: $public = 1;
4612: }
4613: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
4614:
4615: $function = &get_users_function() if (!$function);
4616: my $img = &designparm($function.'.img',$domain);
4617: my $font = &designparm($function.'.font',$domain);
4618: my $pgbg = $bgcolor || &designparm($function.'.pgbg',$domain);
4619:
4620: my %design = ( 'style' => 'margin-top: 0',
4621: 'bgcolor' => $pgbg,
4622: 'text' => $font,
4623: 'alink' => &designparm($function.'.alink',$domain),
4624: 'vlink' => &designparm($function.'.vlink',$domain),
4625: 'link' => &designparm($function.'.link',$domain),);
4626: @design{keys(%$addentries)} = @$addentries{keys(%$addentries)};
4627:
4628: # role and realm
4629: my ($role,$realm) = split(/\./,$env{'request.role'},2);
4630: if ($role eq 'ca') {
4631: my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$});
4632: $realm = &plainname($rname,$rdom);
4633: }
4634: # realm
4635: if ($env{'request.course.id'}) {
4636: if ($env{'request.role'} !~ /^cr/) {
4637: $role = &Apache::lonnet::plaintext($role,&course_type());
4638: }
4639: if ($env{'request.course.sec'}) {
4640: $role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'};
4641: }
4642: $realm = $env{'course.'.$env{'request.course.id'}.'.description'};
4643: } else {
4644: $role = &Apache::lonnet::plaintext($role);
4645: }
4646:
4647: if (!$realm) { $realm=' '; }
4648:
4649: my $extra_body_attr = &make_attr_string($forcereg,\%design);
4650:
4651: # construct main body tag
4652: my $bodytag = "<body $extra_body_attr>".
4653: &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'});
4654:
4655: if ($bodyonly) {
4656: return $bodytag;
4657: }
4658:
4659: my $name = &plainname($env{'user.name'},$env{'user.domain'});
4660: if ($public) {
4661: undef($role);
4662: } else {
4663: $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
4664: }
4665:
4666: my $titleinfo = '<h1>'.$title.'</h1>';
4667: #
4668: # Extra info if you are the DC
4669: my $dc_info = '';
4670: if ($env{'user.adv'} && exists($env{'user.role.dc./'.
4671: $env{'course.'.$env{'request.course.id'}.
4672: '.domain'}.'/'})) {
4673: my $cid = $env{'request.course.id'};
4674: $dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
4675: $dc_info =~ s/\s+$//;
4676: }
4677:
4678: $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
4679: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
4680:
4681: if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') {
4682: return $bodytag;
4683: }
4684:
4685: if ($env{'request.state'} eq 'construct') { $forcereg=1; }
4686:
4687: # if ($env{'request.state'} eq 'construct') {
4688: # $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
4689: # }
4690:
4691:
4692:
4693: if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
4694: if ($dc_info) {
4695: $dc_info = qq|<span class="LC_cusr_subheading">$dc_info</span>|;
4696: }
4697: $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
4698: <em>$realm</em> $dc_info</div>|;
4699: return $bodytag;
4700: }
4701:
4702: unless ($env{'request.symb'} =~ m/\.page___\d+___/) {
4703: $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>|;
4704: }
4705:
4706: $bodytag .= Apache::lonhtmlcommon::scripttag(
4707: Apache::lonmenu::utilityfunctions(), 'start');
4708:
4709: $bodytag .= Apache::lonmenu::primary_menu();
4710:
4711: if ($dc_info) {
4712: $dc_info = &dc_courseid_toggle($dc_info);
4713: }
4714: $bodytag .= qq|<div id="LC_realm">$realm $dc_info</div>|;
4715:
4716: #don't show menus for public users
4717: if (!$public){
4718: $bodytag .= Apache::lonmenu::secondary_menu();
4719: $bodytag .= Apache::lonmenu::serverform();
4720: $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
4721: if ($env{'request.state'} eq 'construct') {
4722: $bodytag .= &Apache::lonmenu::innerregister($forcereg,
4723: $args->{'bread_crumbs'});
4724: } elsif ($forcereg) {
4725: $bodytag .= &Apache::lonmenu::innerregister($forcereg);
4726: }
4727: }else{
4728: # this is to seperate menu from content when there's no secondary
4729: # menu. Especially needed for public accessible ressources.
4730: $bodytag .= '<hr style="clear:both" />';
4731: $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
4732: }
4733:
4734: return $bodytag;
4735: }
4736:
4737: sub dc_courseid_toggle {
4738: my ($dc_info) = @_;
4739: return ' <span id="dccidtext" class="LC_cusr_subheading LC_nobreak">'.
4740: '<a href="javascript:showCourseID();">'.
4741: &mt('(More ...)').'</a></span>'.
4742: '<div id="dccid" class="LC_dccid">'.$dc_info.'</div>';
4743: }
4744:
4745: sub make_attr_string {
4746: my ($register,$attr_ref) = @_;
4747:
4748: if ($attr_ref && !ref($attr_ref)) {
4749: die("addentries Must be a hash ref ".
4750: join(':',caller(1))." ".
4751: join(':',caller(0))." ");
4752: }
4753:
4754: if ($register) {
4755: my ($on_load,$on_unload);
4756: foreach my $key (keys(%{$attr_ref})) {
4757: if (lc($key) eq 'onload') {
4758: $on_load.=$attr_ref->{$key}.';';
4759: delete($attr_ref->{$key});
4760:
4761: } elsif (lc($key) eq 'onunload') {
4762: $on_unload.=$attr_ref->{$key}.';';
4763: delete($attr_ref->{$key});
4764: }
4765: }
4766: $attr_ref->{'onload'} = $on_load;
4767: $attr_ref->{'onunload'}= $on_unload;
4768: }
4769:
4770: my $attr_string;
4771: foreach my $attr (keys(%$attr_ref)) {
4772: $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
4773: }
4774: return $attr_string;
4775: }
4776:
4777:
4778: ###############################################
4779: ###############################################
4780:
4781: =pod
4782:
4783: =item * &endbodytag()
4784:
4785: Returns a uniform footer for LON-CAPA web pages.
4786:
4787: Inputs: 1 - optional reference to an args hash
4788: If in the hash, key for noredirectlink has a value which evaluates to true,
4789: a 'Continue' link is not displayed if the page contains an
4790: internal redirect in the <head></head> section,
4791: i.e., $env{'internal.head.redirect'} exists
4792:
4793: =cut
4794:
4795: sub endbodytag {
4796: my ($args) = @_;
4797: my $endbodytag='</body>';
4798: $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
4799: if ( exists( $env{'internal.head.redirect'} ) ) {
4800: if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) {
4801: $endbodytag=
4802: "<br /><a href=\"$env{'internal.head.redirect'}\">".
4803: &mt('Continue').'</a>'.
4804: $endbodytag;
4805: }
4806: }
4807: return $endbodytag;
4808: }
4809:
4810: =pod
4811:
4812: =item * &standard_css()
4813:
4814: Returns a style sheet
4815:
4816: Inputs: (all optional)
4817: domain -> force to color decorate a page for a specific
4818: domain
4819: function -> force usage of a specific rolish color scheme
4820: bgcolor -> override the default page bgcolor
4821:
4822: =cut
4823:
4824: sub standard_css {
4825: my ($function,$domain,$bgcolor) = @_;
4826: $function = &get_users_function() if (!$function);
4827: my $img = &designparm($function.'.img', $domain);
4828: my $tabbg = &designparm($function.'.tabbg', $domain);
4829: my $font = &designparm($function.'.font', $domain);
4830: my $fontmenu = &designparm($function.'.fontmenu', $domain);
4831: #second colour for later usage
4832: my $sidebg = &designparm($function.'.sidebg',$domain);
4833: my $pgbg_or_bgcolor =
4834: $bgcolor ||
4835: &designparm($function.'.pgbg', $domain);
4836: my $pgbg = &designparm($function.'.pgbg', $domain);
4837: my $alink = &designparm($function.'.alink', $domain);
4838: my $vlink = &designparm($function.'.vlink', $domain);
4839: my $link = &designparm($function.'.link', $domain);
4840:
4841: my $sans = 'Verdana,Arial,Helvetica,sans-serif';
4842: my $mono = 'monospace';
4843: my $data_table_head = $sidebg;
4844: my $data_table_light = '#FAFAFA';
4845: my $data_table_dark = '#F0F0F0';
4846: my $data_table_darker = '#CCCCCC';
4847: my $data_table_highlight = '#FFFF00';
4848: my $mail_new = '#FFBB77';
4849: my $mail_new_hover = '#DD9955';
4850: my $mail_read = '#BBBB77';
4851: my $mail_read_hover = '#999944';
4852: my $mail_replied = '#AAAA88';
4853: my $mail_replied_hover = '#888855';
4854: my $mail_other = '#99BBBB';
4855: my $mail_other_hover = '#669999';
4856: my $table_header = '#DDDDDD';
4857: my $feedback_link_bg = '#BBBBBB';
4858: my $lg_border_color = '#C8C8C8';
4859: my $button_hover = '#BF2317';
4860:
4861: my $border = ($env{'browser.type'} eq 'explorer' ||
4862: $env{'browser.type'} eq 'safari' ) ? '0 2px 0 2px'
4863: : '0 3px 0 4px';
4864:
4865:
4866: return <<END;
4867:
4868: /* needed for iframe to allow 100% height in FF */
4869: body, html {
4870: margin: 0;
4871: padding: 0 0.5%;
4872: height: 99%; /* to avoid scrollbars */
4873: }
4874:
4875: body {
4876: font-family: $sans;
4877: line-height:130%;
4878: font-size:0.83em;
4879: color:$font;
4880: }
4881:
4882: a:focus,
4883: a:focus img {
4884: color: red;
4885: background: yellow;
4886: }
4887:
4888: form, .inline {
4889: display: inline;
4890: }
4891:
4892: .LC_right {
4893: text-align:right;
4894: }
4895:
4896: .LC_middle {
4897: vertical-align:middle;
4898: }
4899:
4900: .LC_400Box {
4901: width:400px;
4902: }
4903:
4904: .LC_iframecontainer {
4905: width: 98%;
4906: margin: 0;
4907: position: fixed;
4908: top: 8.5em;
4909: bottom: 0;
4910: }
4911:
4912: .LC_iframecontainer iframe{
4913: border: none;
4914: width: 100%;
4915: height: 100%;
4916: }
4917:
4918: .LC_filename {
4919: font-family: $mono;
4920: white-space:pre;
4921: font-size: 120%;
4922: }
4923:
4924: .LC_fileicon {
4925: border: none;
4926: height: 1.3em;
4927: vertical-align: text-bottom;
4928: margin-right: 0.3em;
4929: text-decoration:none;
4930: }
4931:
4932: .LC_error {
4933: color: red;
4934: font-size: larger;
4935: }
4936:
4937: .LC_warning,
4938: .LC_diff_removed {
4939: color: red;
4940: }
4941:
4942: .LC_info,
4943: .LC_success,
4944: .LC_diff_added {
4945: color: green;
4946: }
4947:
4948: div.LC_confirm_box {
4949: background-color: #FAFAFA;
4950: border: 1px solid $lg_border_color;
4951: margin-right: 0;
4952: padding: 5px;
4953: }
4954:
4955: div.LC_confirm_box .LC_error img,
4956: div.LC_confirm_box .LC_success img {
4957: vertical-align: middle;
4958: }
4959:
4960: .LC_icon {
4961: border: none;
4962: vertical-align: middle;
4963: }
4964:
4965: .LC_docs_spacer {
4966: width: 25px;
4967: height: 1px;
4968: border: none;
4969: }
4970:
4971: .LC_internal_info {
4972: color: #999999;
4973: }
4974:
4975: .LC_discussion {
4976: background: $tabbg;
4977: border: 1px solid black;
4978: margin: 2px;
4979: }
4980:
4981: .LC_disc_action_links_bar {
4982: background: $tabbg;
4983: border: none;
4984: margin: 4px;
4985: }
4986:
4987: .LC_disc_action_left {
4988: text-align: left;
4989: }
4990:
4991: .LC_disc_action_right {
4992: text-align: right;
4993: }
4994:
4995: .LC_disc_new_item {
4996: background: white;
4997: border: 2px solid red;
4998: margin: 2px;
4999: }
5000:
5001: .LC_disc_old_item {
5002: background: white;
5003: border: 1px solid black;
5004: margin: 2px;
5005: }
5006:
5007: table.LC_pastsubmission {
5008: border: 1px solid black;
5009: margin: 2px;
5010: }
5011:
5012: table#LC_menubuttons {
5013: width: 100%;
5014: background: $pgbg;
5015: border: 2px;
5016: border-collapse: separate;
5017: padding: 0;
5018: }
5019:
5020: table#LC_title_bar a {
5021: color: $fontmenu;
5022: }
5023:
5024: table#LC_title_bar {
5025: clear: both;
5026: display: none;
5027: }
5028:
5029: table#LC_title_bar,
5030: table.LC_breadcrumbs, /* obsolete? */
5031: table#LC_title_bar.LC_with_remote {
5032: width: 100%;
5033: border-color: $pgbg;
5034: border-style: solid;
5035: border-width: $border;
5036: background: $pgbg;
5037: color: $fontmenu;
5038: border-collapse: collapse;
5039: padding: 0;
5040: margin: 0;
5041: }
5042:
5043: ul.LC_breadcrumb_tools_outerlist {
5044: margin: 0;
5045: padding: 0;
5046: position: relative;
5047: list-style: none;
5048: }
5049: ul.LC_breadcrumb_tools_outerlist li {
5050: display: inline;
5051: }
5052:
5053: .LC_breadcrumb_tools_navigation {
5054: padding: 0;
5055: margin: 0;
5056: float: left;
5057: }
5058: .LC_breadcrumb_tools_tools {
5059: padding: 0;
5060: margin: 0;
5061: float: right;
5062: }
5063:
5064: table#LC_title_bar td {
5065: background: $tabbg;
5066: }
5067:
5068: table#LC_menubuttons img {
5069: border: none;
5070: }
5071:
5072: .LC_breadcrumbs_component {
5073: float: right;
5074: margin: 0 1em;
5075: }
5076: .LC_breadcrumbs_component img {
5077: vertical-align: middle;
5078: }
5079:
5080: td.LC_table_cell_checkbox {
5081: text-align: center;
5082: }
5083:
5084: .LC_fontsize_small {
5085: font-size: 70%;
5086: }
5087:
5088: #LC_breadcrumbs {
5089: clear:both;
5090: background: $sidebg;
5091: border-bottom: 1px solid $lg_border_color;
5092: line-height: 2.5em;
5093: overflow: hidden;
5094: margin: 0;
5095: padding: 0;
5096: text-align: left;
5097: }
5098:
5099: .LC_head_subbox {
5100: clear:both;
5101: background: #F8F8F8; /* $sidebg; */
5102: border: 1px solid $sidebg;
5103: margin: 0 0 10px 0;
5104: padding: 3px;
5105: text-align: left;
5106: }
5107:
5108: .LC_fontsize_medium {
5109: font-size: 85%;
5110: }
5111:
5112: .LC_fontsize_large {
5113: font-size: 120%;
5114: }
5115:
5116: .LC_menubuttons_inline_text {
5117: color: $font;
5118: font-size: 90%;
5119: padding-left:3px;
5120: }
5121:
5122: .LC_menubuttons_inline_text img{
5123: vertical-align: middle;
5124: }
5125:
5126: li.LC_menubuttons_inline_text img,a {
5127: cursor:pointer;
5128: }
5129:
5130: .LC_menubuttons_link {
5131: text-decoration: none;
5132: }
5133:
5134: .LC_menubuttons_category {
5135: color: $font;
5136: background: $pgbg;
5137: font-size: larger;
5138: font-weight: bold;
5139: }
5140:
5141: td.LC_menubuttons_text {
5142: color: $font;
5143: }
5144:
5145: .LC_current_location {
5146: background: $tabbg;
5147: }
5148:
5149: table.LC_data_table {
5150: border: 1px solid #000000;
5151: border-collapse: separate;
5152: border-spacing: 1px;
5153: background: $pgbg;
5154: }
5155:
5156: .LC_data_table_dense {
5157: font-size: small;
5158: }
5159:
5160: table.LC_nested_outer {
5161: border: 1px solid #000000;
5162: border-collapse: collapse;
5163: border-spacing: 0;
5164: width: 100%;
5165: }
5166:
5167: table.LC_innerpickbox,
5168: table.LC_nested {
5169: border: none;
5170: border-collapse: collapse;
5171: border-spacing: 0;
5172: width: 100%;
5173: }
5174:
5175: .ui-accordion,
5176: .ui-accordion table.LC_data_table,
5177: .ui-accordion table.LC_nested_outer{
5178: border: 0px;
5179: border-spacing: 0px;
5180: margin: 3px;
5181: }
5182:
5183: table.LC_data_table tr th,
5184: table.LC_calendar tr th,
5185: table.LC_prior_tries tr th,
5186: table.LC_innerpickbox tr th {
5187: font-weight: bold;
5188: background-color: $data_table_head;
5189: color:$fontmenu;
5190: font-size:90%;
5191: }
5192:
5193: table.LC_innerpickbox tr th,
5194: table.LC_innerpickbox tr td {
5195: vertical-align: top;
5196: }
5197:
5198: table.LC_data_table tr.LC_info_row > td {
5199: background-color: #CCCCCC;
5200: font-weight: bold;
5201: text-align: left;
5202: }
5203:
5204: table.LC_data_table tr.LC_odd_row > td {
5205: background-color: $data_table_light;
5206: padding: 2px;
5207: vertical-align: top;
5208: }
5209:
5210: table.LC_pick_box tr > td.LC_odd_row {
5211: background-color: $data_table_light;
5212: vertical-align: top;
5213: }
5214:
5215: table.LC_data_table tr.LC_even_row > td {
5216: background-color: $data_table_dark;
5217: padding: 2px;
5218: vertical-align: top;
5219: }
5220:
5221: table.LC_pick_box tr > td.LC_even_row {
5222: background-color: $data_table_dark;
5223: vertical-align: top;
5224: }
5225:
5226: table.LC_data_table tr.LC_data_table_highlight td {
5227: background-color: $data_table_darker;
5228: }
5229:
5230: table.LC_data_table tr td.LC_leftcol_header {
5231: background-color: $data_table_head;
5232: font-weight: bold;
5233: }
5234:
5235: table.LC_data_table tr.LC_empty_row td,
5236: table.LC_nested tr.LC_empty_row td {
5237: font-weight: bold;
5238: font-style: italic;
5239: text-align: center;
5240: padding: 8px;
5241: }
5242:
5243: table.LC_data_table tr.LC_empty_row td {
5244: background-color: $sidebg;
5245: }
5246:
5247: table.LC_nested tr.LC_empty_row td {
5248: background-color: #FFFFFF;
5249: }
5250:
5251: table.LC_caption {
5252: }
5253:
5254: table.LC_nested tr.LC_empty_row td {
5255: padding: 4ex
5256: }
5257:
5258: table.LC_nested_outer tr th {
5259: font-weight: bold;
5260: color:$fontmenu;
5261: background-color: $data_table_head;
5262: font-size: small;
5263: border-bottom: 1px solid #000000;
5264: }
5265:
5266: table.LC_nested_outer tr td.LC_subheader {
5267: background-color: $data_table_head;
5268: font-weight: bold;
5269: font-size: small;
5270: border-bottom: 1px solid #000000;
5271: text-align: right;
5272: }
5273:
5274: table.LC_nested tr.LC_info_row td {
5275: background-color: #CCCCCC;
5276: font-weight: bold;
5277: font-size: small;
5278: text-align: center;
5279: }
5280:
5281: table.LC_nested tr.LC_info_row td.LC_left_item,
5282: table.LC_nested_outer tr th.LC_left_item {
5283: text-align: left;
5284: }
5285:
5286: table.LC_nested td {
5287: background-color: #FFFFFF;
5288: font-size: small;
5289: }
5290:
5291: table.LC_nested_outer tr th.LC_right_item,
5292: table.LC_nested tr.LC_info_row td.LC_right_item,
5293: table.LC_nested tr.LC_odd_row td.LC_right_item,
5294: table.LC_nested tr td.LC_right_item {
5295: text-align: right;
5296: }
5297:
5298: .ui-accordion table.LC_nested tr.LC_odd_row td.LC_left_item,
5299: .ui-accordion table.LC_nested tr.LC_even_row td.LC_left_item {
5300: text-align: right;
5301: width: 40%;
5302: padding-right:10px;
5303: vertical-align: top;
5304: padding: 5px;
5305: }
5306:
5307: .ui-accordion table.LC_nested tr.LC_odd_row td.LC_right_item,
5308: .ui-accordion table.LC_nested tr.LC_even_row td.LC_right_item {
5309: text-align: left;
5310: width: 60%;
5311: padding: 2px 4px;
5312: }
5313:
5314: table.LC_nested tr.LC_odd_row td {
5315: background-color: #EEEEEE;
5316: }
5317:
5318: table.LC_createuser {
5319: }
5320:
5321: table.LC_createuser tr.LC_section_row td {
5322: font-size: small;
5323: }
5324:
5325: table.LC_createuser tr.LC_info_row td {
5326: background-color: #CCCCCC;
5327: font-weight: bold;
5328: text-align: center;
5329: }
5330:
5331: table.LC_calendar {
5332: border: 1px solid #000000;
5333: border-collapse: collapse;
5334: width: 98%;
5335: }
5336:
5337: table.LC_calendar_pickdate {
5338: font-size: xx-small;
5339: }
5340:
5341: table.LC_calendar tr td {
5342: border: 1px solid #000000;
5343: vertical-align: top;
5344: width: 14%;
5345: }
5346:
5347: table.LC_calendar tr td.LC_calendar_day_empty {
5348: background-color: $data_table_dark;
5349: }
5350:
5351: table.LC_calendar tr td.LC_calendar_day_current {
5352: background-color: $data_table_highlight;
5353: }
5354:
5355: table.LC_data_table tr td.LC_mail_new {
5356: background-color: $mail_new;
5357: }
5358:
5359: table.LC_data_table tr.LC_mail_new:hover {
5360: background-color: $mail_new_hover;
5361: }
5362:
5363: table.LC_data_table tr td.LC_mail_read {
5364: background-color: $mail_read;
5365: }
5366:
5367: /*
5368: table.LC_data_table tr.LC_mail_read:hover {
5369: background-color: $mail_read_hover;
5370: }
5371: */
5372:
5373: table.LC_data_table tr td.LC_mail_replied {
5374: background-color: $mail_replied;
5375: }
5376:
5377: /*
5378: table.LC_data_table tr.LC_mail_replied:hover {
5379: background-color: $mail_replied_hover;
5380: }
5381: */
5382:
5383: table.LC_data_table tr td.LC_mail_other {
5384: background-color: $mail_other;
5385: }
5386:
5387: /*
5388: table.LC_data_table tr.LC_mail_other:hover {
5389: background-color: $mail_other_hover;
5390: }
5391: */
5392:
5393: table.LC_data_table tr > td.LC_browser_file,
5394: table.LC_data_table tr > td.LC_browser_file_published {
5395: background: #AAEE77;
5396: }
5397:
5398: table.LC_data_table tr > td.LC_browser_file_locked,
5399: table.LC_data_table tr > td.LC_browser_file_unpublished {
5400: background: #FFAA99;
5401: }
5402:
5403: table.LC_data_table tr > td.LC_browser_file_obsolete {
5404: background: #888888;
5405: }
5406:
5407: table.LC_data_table tr > td.LC_browser_file_modified,
5408: table.LC_data_table tr > td.LC_browser_file_metamodified {
5409: background: #F8F866;
5410: }
5411:
5412: table.LC_data_table tr.LC_browser_folder > td {
5413: background: #E0E8FF;
5414: }
5415:
5416: table.LC_data_table tr > td.LC_roles_is {
5417: /* background: #77FF77; */
5418: }
5419:
5420: table.LC_data_table tr > td.LC_roles_future {
5421: border-right: 8px solid #FFFF77;
5422: }
5423:
5424: table.LC_data_table tr > td.LC_roles_will {
5425: border-right: 8px solid #FFAA77;
5426: }
5427:
5428: table.LC_data_table tr > td.LC_roles_expired {
5429: border-right: 8px solid #FF7777;
5430: }
5431:
5432: table.LC_data_table tr > td.LC_roles_will_not {
5433: border-right: 8px solid #AAFF77;
5434: }
5435:
5436: table.LC_data_table tr > td.LC_roles_selected {
5437: border-right: 8px solid #11CC55;
5438: }
5439:
5440: span.LC_current_location {
5441: font-size:larger;
5442: background: $pgbg;
5443: }
5444:
5445: span.LC_parm_menu_item {
5446: font-size: larger;
5447: }
5448:
5449: span.LC_parm_scope_all {
5450: color: red;
5451: }
5452:
5453: span.LC_parm_scope_folder {
5454: color: green;
5455: }
5456:
5457: span.LC_parm_scope_resource {
5458: color: orange;
5459: }
5460:
5461: span.LC_parm_part {
5462: color: blue;
5463: }
5464:
5465: span.LC_parm_folder,
5466: span.LC_parm_symb {
5467: font-size: x-small;
5468: font-family: $mono;
5469: color: #AAAAAA;
5470: }
5471:
5472: ul.LC_parm_parmlist li {
5473: display: inline-block;
5474: padding: 0.3em 0.8em;
5475: vertical-align: top;
5476: width: 150px;
5477: border-top:1px solid $lg_border_color;
5478: }
5479:
5480: td.LC_parm_overview_level_menu,
5481: td.LC_parm_overview_map_menu,
5482: td.LC_parm_overview_parm_selectors,
5483: td.LC_parm_overview_restrictions {
5484: border: 1px solid black;
5485: border-collapse: collapse;
5486: }
5487:
5488: table.LC_parm_overview_restrictions td {
5489: border-width: 1px 4px 1px 4px;
5490: border-style: solid;
5491: border-color: $pgbg;
5492: text-align: center;
5493: }
5494:
5495: table.LC_parm_overview_restrictions th {
5496: background: $tabbg;
5497: border-width: 1px 4px 1px 4px;
5498: border-style: solid;
5499: border-color: $pgbg;
5500: }
5501:
5502: table#LC_helpmenu {
5503: border: none;
5504: height: 55px;
5505: border-spacing: 0;
5506: }
5507:
5508: table#LC_helpmenu fieldset legend {
5509: font-size: larger;
5510: }
5511:
5512: table#LC_helpmenu_links {
5513: width: 100%;
5514: border: 1px solid black;
5515: background: $pgbg;
5516: padding: 0;
5517: border-spacing: 1px;
5518: }
5519:
5520: table#LC_helpmenu_links tr td {
5521: padding: 1px;
5522: background: $tabbg;
5523: text-align: center;
5524: font-weight: bold;
5525: }
5526:
5527: table#LC_helpmenu_links a:link,
5528: table#LC_helpmenu_links a:visited,
5529: table#LC_helpmenu_links a:active {
5530: text-decoration: none;
5531: color: $font;
5532: }
5533:
5534: table#LC_helpmenu_links a:hover {
5535: text-decoration: underline;
5536: color: $vlink;
5537: }
5538:
5539: .LC_chrt_popup_exists {
5540: border: 1px solid #339933;
5541: margin: -1px;
5542: }
5543:
5544: .LC_chrt_popup_up {
5545: border: 1px solid yellow;
5546: margin: -1px;
5547: }
5548:
5549: .LC_chrt_popup {
5550: border: 1px solid #8888FF;
5551: background: #CCCCFF;
5552: }
5553:
5554: table.LC_pick_box {
5555: border-collapse: separate;
5556: background: white;
5557: border: 1px solid black;
5558: border-spacing: 1px;
5559: }
5560:
5561: table.LC_pick_box td.LC_pick_box_title {
5562: background: $sidebg;
5563: font-weight: bold;
5564: text-align: left;
5565: vertical-align: top;
5566: width: 184px;
5567: padding: 8px;
5568: }
5569:
5570: table.LC_pick_box td.LC_pick_box_value {
5571: text-align: left;
5572: padding: 8px;
5573: }
5574:
5575: table.LC_pick_box td.LC_pick_box_select {
5576: text-align: left;
5577: padding: 8px;
5578: }
5579:
5580: table.LC_pick_box td.LC_pick_box_separator {
5581: padding: 0;
5582: height: 1px;
5583: background: black;
5584: }
5585:
5586: table.LC_pick_box td.LC_pick_box_submit {
5587: text-align: right;
5588: }
5589:
5590: table.LC_pick_box td.LC_evenrow_value {
5591: text-align: left;
5592: padding: 8px;
5593: background-color: $data_table_light;
5594: }
5595:
5596: table.LC_pick_box td.LC_oddrow_value {
5597: text-align: left;
5598: padding: 8px;
5599: background-color: $data_table_light;
5600: }
5601:
5602: span.LC_helpform_receipt_cat {
5603: font-weight: bold;
5604: }
5605:
5606: table.LC_group_priv_box {
5607: background: white;
5608: border: 1px solid black;
5609: border-spacing: 1px;
5610: }
5611:
5612: table.LC_group_priv_box td.LC_pick_box_title {
5613: background: $tabbg;
5614: font-weight: bold;
5615: text-align: right;
5616: width: 184px;
5617: }
5618:
5619: table.LC_group_priv_box td.LC_groups_fixed {
5620: background: $data_table_light;
5621: text-align: center;
5622: }
5623:
5624: table.LC_group_priv_box td.LC_groups_optional {
5625: background: $data_table_dark;
5626: text-align: center;
5627: }
5628:
5629: table.LC_group_priv_box td.LC_groups_functionality {
5630: background: $data_table_darker;
5631: text-align: center;
5632: font-weight: bold;
5633: }
5634:
5635: table.LC_group_priv td {
5636: text-align: left;
5637: padding: 0;
5638: }
5639:
5640: .LC_navbuttons {
5641: margin: 2ex 0ex 2ex 0ex;
5642: }
5643:
5644: .LC_topic_bar {
5645: font-weight: bold;
5646: background: $tabbg;
5647: margin: 1em 0em 1em 2em;
5648: padding: 3px;
5649: font-size: 1.2em;
5650: }
5651:
5652: .LC_topic_bar span {
5653: left: 0.5em;
5654: position: absolute;
5655: vertical-align: middle;
5656: font-size: 1.2em;
5657: }
5658:
5659: table.LC_course_group_status {
5660: margin: 20px;
5661: }
5662:
5663: table.LC_status_selector td {
5664: vertical-align: top;
5665: text-align: center;
5666: padding: 4px;
5667: }
5668:
5669: div.LC_feedback_link {
5670: clear: both;
5671: background: $sidebg;
5672: width: 100%;
5673: padding-bottom: 10px;
5674: border: 1px $tabbg solid;
5675: height: 22px;
5676: line-height: 22px;
5677: padding-top: 5px;
5678: }
5679:
5680: div.LC_feedback_link img {
5681: height: 22px;
5682: vertical-align:middle;
5683: }
5684:
5685: div.LC_feedback_link a {
5686: text-decoration: none;
5687: }
5688:
5689: div.LC_comblock {
5690: display:inline;
5691: color:$font;
5692: font-size:90%;
5693: }
5694:
5695: div.LC_feedback_link div.LC_comblock {
5696: padding-left:5px;
5697: }
5698:
5699: div.LC_feedback_link div.LC_comblock a {
5700: color:$font;
5701: }
5702:
5703: span.LC_feedback_link {
5704: /* background: $feedback_link_bg; */
5705: font-size: larger;
5706: }
5707:
5708: span.LC_message_link {
5709: /* background: $feedback_link_bg; */
5710: font-size: larger;
5711: position: absolute;
5712: right: 1em;
5713: }
5714:
5715: table.LC_prior_tries {
5716: border: 1px solid #000000;
5717: border-collapse: separate;
5718: border-spacing: 1px;
5719: }
5720:
5721: table.LC_prior_tries td {
5722: padding: 2px;
5723: }
5724:
5725: .LC_answer_correct {
5726: background: lightgreen;
5727: color: darkgreen;
5728: padding: 6px;
5729: }
5730:
5731: .LC_answer_charged_try {
5732: background: #FFAAAA;
5733: color: darkred;
5734: padding: 6px;
5735: }
5736:
5737: .LC_answer_not_charged_try,
5738: .LC_answer_no_grade,
5739: .LC_answer_late {
5740: background: lightyellow;
5741: color: black;
5742: padding: 6px;
5743: }
5744:
5745: .LC_answer_previous {
5746: background: lightblue;
5747: color: darkblue;
5748: padding: 6px;
5749: }
5750:
5751: .LC_answer_no_message {
5752: background: #FFFFFF;
5753: color: black;
5754: padding: 6px;
5755: }
5756:
5757: .LC_answer_unknown {
5758: background: orange;
5759: color: black;
5760: padding: 6px;
5761: }
5762:
5763: span.LC_prior_numerical,
5764: span.LC_prior_string,
5765: span.LC_prior_custom,
5766: span.LC_prior_reaction,
5767: span.LC_prior_math {
5768: font-family: $mono;
5769: white-space: pre;
5770: }
5771:
5772: span.LC_prior_string {
5773: font-family: $mono;
5774: white-space: pre;
5775: }
5776:
5777: table.LC_prior_option {
5778: width: 100%;
5779: border-collapse: collapse;
5780: }
5781:
5782: table.LC_prior_rank,
5783: table.LC_prior_match {
5784: border-collapse: collapse;
5785: }
5786:
5787: table.LC_prior_option tr td,
5788: table.LC_prior_rank tr td,
5789: table.LC_prior_match tr td {
5790: border: 1px solid #000000;
5791: }
5792:
5793: .LC_nobreak {
5794: white-space: nowrap;
5795: }
5796:
5797: span.LC_cusr_emph {
5798: font-style: italic;
5799: }
5800:
5801: span.LC_cusr_subheading {
5802: font-weight: normal;
5803: font-size: 85%;
5804: }
5805:
5806: div.LC_docs_entry_move {
5807: border: 1px solid #BBBBBB;
5808: background: #DDDDDD;
5809: width: 22px;
5810: padding: 1px;
5811: margin: 0;
5812: }
5813:
5814: table.LC_data_table tr > td.LC_docs_entry_commands,
5815: table.LC_data_table tr > td.LC_docs_entry_parameter {
5816: background: #DDDDDD;
5817: font-size: x-small;
5818: }
5819:
5820: .LC_docs_entry_parameter {
5821: white-space: nowrap;
5822: }
5823:
5824: .LC_docs_copy {
5825: color: #000099;
5826: }
5827:
5828: .LC_docs_cut {
5829: color: #550044;
5830: }
5831:
5832: .LC_docs_rename {
5833: color: #009900;
5834: }
5835:
5836: .LC_docs_remove {
5837: color: #990000;
5838: }
5839:
5840: .LC_docs_reinit_warn,
5841: .LC_docs_ext_edit {
5842: font-size: x-small;
5843: }
5844:
5845: table.LC_docs_adddocs td,
5846: table.LC_docs_adddocs th {
5847: border: 1px solid #BBBBBB;
5848: padding: 4px;
5849: background: #DDDDDD;
5850: }
5851:
5852: table.LC_sty_begin {
5853: background: #BBFFBB;
5854: }
5855:
5856: table.LC_sty_end {
5857: background: #FFBBBB;
5858: }
5859:
5860: table.LC_double_column {
5861: border-width: 0;
5862: border-collapse: collapse;
5863: width: 100%;
5864: padding: 2px;
5865: }
5866:
5867: table.LC_double_column tr td.LC_left_col {
5868: top: 2px;
5869: left: 2px;
5870: width: 47%;
5871: vertical-align: top;
5872: }
5873:
5874: table.LC_double_column tr td.LC_right_col {
5875: top: 2px;
5876: right: 2px;
5877: width: 47%;
5878: vertical-align: top;
5879: }
5880:
5881: div.LC_left_float {
5882: float: left;
5883: padding-right: 5%;
5884: padding-bottom: 4px;
5885: }
5886:
5887: div.LC_clear_float_header {
5888: padding-bottom: 2px;
5889: }
5890:
5891: div.LC_clear_float_footer {
5892: padding-top: 10px;
5893: clear: both;
5894: }
5895:
5896: div.LC_grade_show_user {
5897: /* border-left: 5px solid $sidebg; */
5898: border-top: 5px solid #000000;
5899: margin: 50px 0 0 0;
5900: padding: 15px 0 5px 10px;
5901: }
5902:
5903: div.LC_grade_show_user_odd_row {
5904: /* border-left: 5px solid #000000; */
5905: }
5906:
5907: div.LC_grade_show_user div.LC_Box {
5908: margin-right: 50px;
5909: }
5910:
5911: div.LC_grade_submissions,
5912: div.LC_grade_message_center,
5913: div.LC_grade_info_links {
5914: margin: 5px;
5915: width: 99%;
5916: background: #FFFFFF;
5917: }
5918:
5919: div.LC_grade_submissions_header,
5920: div.LC_grade_message_center_header {
5921: font-weight: bold;
5922: font-size: large;
5923: }
5924:
5925: div.LC_grade_submissions_body,
5926: div.LC_grade_message_center_body {
5927: border: 1px solid black;
5928: width: 99%;
5929: background: #FFFFFF;
5930: }
5931:
5932: table.LC_scantron_action {
5933: width: 100%;
5934: }
5935:
5936: table.LC_scantron_action tr th {
5937: font-weight:bold;
5938: font-style:normal;
5939: }
5940:
5941: .LC_edit_problem_header,
5942: div.LC_edit_problem_footer {
5943: font-weight: normal;
5944: font-size: medium;
5945: margin: 2px;
5946: }
5947:
5948: div.LC_edit_problem_header,
5949: div.LC_edit_problem_header div,
5950: div.LC_edit_problem_footer,
5951: div.LC_edit_problem_footer div,
5952: div.LC_edit_problem_editxml_header,
5953: div.LC_edit_problem_editxml_header div {
5954: margin-top: 5px;
5955: }
5956:
5957: div.LC_edit_problem_header_title {
5958: font-weight: bold;
5959: font-size: larger;
5960: background: $tabbg;
5961: padding: 3px;
5962: }
5963:
5964: table.LC_edit_problem_header_title {
5965: width: 100%;
5966: background: $tabbg;
5967: }
5968:
5969: div.LC_edit_problem_discards {
5970: float: left;
5971: padding-bottom: 5px;
5972: }
5973:
5974: div.LC_edit_problem_saves {
5975: float: right;
5976: padding-bottom: 5px;
5977: }
5978:
5979: img.stift {
5980: border-width: 0;
5981: vertical-align: middle;
5982: }
5983:
5984: table td.LC_mainmenu_col_fieldset {
5985: vertical-align: top;
5986: }
5987:
5988: div.LC_createcourse {
5989: margin: 10px 10px 10px 10px;
5990: }
5991:
5992: .LC_dccid {
5993: margin: 0.2em 0 0 0;
5994: padding: 0;
5995: font-size: 90%;
5996: display:none;
5997: }
5998:
5999: a:hover,
6000: ol.LC_primary_menu a:hover,
6001: ol#LC_MenuBreadcrumbs a:hover,
6002: ol#LC_PathBreadcrumbs a:hover,
6003: ul#LC_secondary_menu a:hover,
6004: .LC_FormSectionClearButton input:hover
6005: ul.LC_TabContent li:hover a {
6006: color:$button_hover;
6007: text-decoration:none;
6008: }
6009:
6010: h1 {
6011: padding: 0;
6012: line-height:130%;
6013: }
6014:
6015: h2,
6016: h3,
6017: h4,
6018: h5,
6019: h6 {
6020: margin: 5px 0 5px 0;
6021: padding: 0;
6022: line-height:130%;
6023: }
6024:
6025: .LC_hcell {
6026: padding:3px 15px 3px 15px;
6027: margin: 0;
6028: background-color:$tabbg;
6029: color:$fontmenu;
6030: border-bottom:solid 1px $lg_border_color;
6031: }
6032:
6033: .LC_Box > .LC_hcell {
6034: margin: 0 -10px 10px -10px;
6035: }
6036:
6037: .LC_noBorder {
6038: border: 0;
6039: }
6040:
6041: .LC_FormSectionClearButton input {
6042: background-color:transparent;
6043: border: none;
6044: cursor:pointer;
6045: text-decoration:underline;
6046: }
6047:
6048: .LC_help_open_topic {
6049: color: #FFFFFF;
6050: background-color: #EEEEFF;
6051: margin: 1px;
6052: padding: 4px;
6053: border: 1px solid #000033;
6054: white-space: nowrap;
6055: /* vertical-align: middle; */
6056: }
6057:
6058: dl,
6059: ul,
6060: div,
6061: fieldset {
6062: margin: 10px 10px 10px 0;
6063: /* overflow: hidden; */
6064: }
6065:
6066: fieldset > legend {
6067: font-weight: bold;
6068: padding: 0 5px 0 5px;
6069: }
6070:
6071: #LC_nav_bar {
6072: float: left;
6073: background-color: $pgbg_or_bgcolor;
6074: margin: 0 0 2px 0;
6075: }
6076:
6077: #LC_realm {
6078: margin: 0.2em 0 0 0;
6079: padding: 0;
6080: font-weight: bold;
6081: text-align: center;
6082: background-color: $pgbg_or_bgcolor;
6083: }
6084:
6085: #LC_nav_bar em {
6086: font-weight: bold;
6087: font-style: normal;
6088: }
6089:
6090: ol.LC_primary_menu {
6091: float: right;
6092: margin: 0;
6093: background-color: $pgbg_or_bgcolor;
6094: }
6095:
6096: ol#LC_PathBreadcrumbs {
6097: margin: 0;
6098: }
6099:
6100: ol.LC_primary_menu li {
6101: display: inline;
6102: padding: 5px 5px 0 10px;
6103: vertical-align: top;
6104: }
6105:
6106: ol.LC_primary_menu li img {
6107: vertical-align: bottom;
6108: height: 1.1em;
6109: }
6110:
6111: ol.LC_primary_menu a {
6112: color: RGB(80, 80, 80);
6113: text-decoration: none;
6114: }
6115:
6116: ol.LC_primary_menu a.LC_new_message {
6117: font-weight:bold;
6118: color: darkred;
6119: }
6120:
6121: ol.LC_docs_parameters {
6122: margin-left: 0;
6123: padding: 0;
6124: list-style: none;
6125: }
6126:
6127: ol.LC_docs_parameters li {
6128: margin: 0;
6129: padding-right: 20px;
6130: display: inline;
6131: }
6132:
6133: ol.LC_docs_parameters li:before {
6134: content: "\\002022 \\0020";
6135: }
6136:
6137: li.LC_docs_parameters_title {
6138: font-weight: bold;
6139: }
6140:
6141: ol.LC_docs_parameters li.LC_docs_parameters_title:before {
6142: content: "";
6143: }
6144:
6145: ul#LC_secondary_menu {
6146: clear: both;
6147: color: $fontmenu;
6148: background: $tabbg;
6149: list-style: none;
6150: padding: 0;
6151: margin: 0;
6152: width: 100%;
6153: text-align: left;
6154: }
6155:
6156: ul#LC_secondary_menu li {
6157: font-weight: bold;
6158: line-height: 1.8em;
6159: padding: 0 0.8em;
6160: border-right: 1px solid black;
6161: display: inline;
6162: vertical-align: middle;
6163: }
6164:
6165: ul.LC_TabContent {
6166: display:block;
6167: background: $sidebg;
6168: border-bottom: solid 1px $lg_border_color;
6169: list-style:none;
6170: margin: 0 -10px;
6171: padding: 0;
6172: }
6173:
6174: ul.LC_TabContent li,
6175: ul.LC_TabContentBigger li {
6176: float:left;
6177: }
6178:
6179: ul#LC_secondary_menu li a {
6180: color: $fontmenu;
6181: text-decoration: none;
6182: }
6183:
6184: ul.LC_TabContent {
6185: min-height:20px;
6186: }
6187:
6188: ul.LC_TabContent li {
6189: vertical-align:middle;
6190: padding: 0 16px 0 10px;
6191: background-color:$tabbg;
6192: border-bottom:solid 1px $lg_border_color;
6193: border-right: solid 1px $font;
6194: }
6195:
6196: ul.LC_TabContent .right {
6197: float:right;
6198: }
6199:
6200: ul.LC_TabContent li a,
6201: ul.LC_TabContent li {
6202: color:rgb(47,47,47);
6203: text-decoration:none;
6204: font-size:95%;
6205: font-weight:bold;
6206: min-height:20px;
6207: }
6208:
6209: ul.LC_TabContent li a:hover,
6210: ul.LC_TabContent li a:focus {
6211: color: $button_hover;
6212: background:none;
6213: outline:none;
6214: }
6215:
6216: ul.LC_TabContent li:hover {
6217: color: $button_hover;
6218: cursor:pointer;
6219: }
6220:
6221: ul.LC_TabContent li.active {
6222: color: $font;
6223: background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
6224: border-bottom:solid 1px #FFFFFF;
6225: cursor: default;
6226: }
6227:
6228: ul.LC_TabContent li.active a {
6229: color:$font;
6230: background:#FFFFFF;
6231: outline: none;
6232: }
6233: #maincoursedoc {
6234: clear:both;
6235: }
6236:
6237: ul.LC_TabContentBigger {
6238: display:block;
6239: list-style:none;
6240: padding: 0;
6241: }
6242:
6243: ul.LC_TabContentBigger li {
6244: vertical-align:bottom;
6245: height: 30px;
6246: font-size:110%;
6247: font-weight:bold;
6248: color: #737373;
6249: }
6250:
6251: ul.LC_TabContentBigger li.active {
6252: position: relative;
6253: top: 1px;
6254: }
6255:
6256: ul.LC_TabContentBigger li a {
6257: background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
6258: height: 30px;
6259: line-height: 30px;
6260: text-align: center;
6261: display: block;
6262: text-decoration: none;
6263: outline: none;
6264: }
6265:
6266: ul.LC_TabContentBigger li.active a {
6267: background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
6268: color:$font;
6269: }
6270:
6271: ul.LC_TabContentBigger li b {
6272: background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
6273: display: block;
6274: float: left;
6275: padding: 0 30px;
6276: border-bottom: 1px solid $lg_border_color;
6277: }
6278:
6279: ul.LC_TabContentBigger li:hover b {
6280: color:$button_hover;
6281: }
6282:
6283: ul.LC_TabContentBigger li.active b {
6284: background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
6285: color:$font;
6286: border: 0;
6287: cursor:default;
6288: }
6289:
6290:
6291: ul.LC_CourseBreadcrumbs {
6292: background: $sidebg;
6293: line-height: 32px;
6294: padding-left: 10px;
6295: margin: 0 0 10px 0;
6296: list-style-position: inside;
6297:
6298: }
6299:
6300: ol#LC_MenuBreadcrumbs,
6301: ol#LC_PathBreadcrumbs {
6302: padding-left: 10px;
6303: margin: 0;
6304: height: 2.5em; /* equal to #LC_breadcrumbs line-height */
6305: }
6306:
6307: ol#LC_MenuBreadcrumbs li,
6308: ol#LC_PathBreadcrumbs li,
6309: ul.LC_CourseBreadcrumbs li {
6310: display: inline;
6311: white-space: normal;
6312: }
6313:
6314: ol#LC_MenuBreadcrumbs li a,
6315: ul.LC_CourseBreadcrumbs li a {
6316: text-decoration: none;
6317: font-size:90%;
6318: }
6319:
6320: ol#LC_MenuBreadcrumbs h1 {
6321: display: inline;
6322: font-size: 90%;
6323: line-height: 2.5em;
6324: margin: 0;
6325: padding: 0;
6326: }
6327:
6328: ol#LC_PathBreadcrumbs li a {
6329: text-decoration:none;
6330: font-size:100%;
6331: font-weight:bold;
6332: }
6333:
6334: .LC_Box {
6335: border: solid 1px $lg_border_color;
6336: padding: 0 10px 10px 10px;
6337: }
6338:
6339: .LC_AboutMe_Image {
6340: float:left;
6341: margin-right:10px;
6342: }
6343:
6344: .LC_Clear_AboutMe_Image {
6345: clear:left;
6346: }
6347:
6348: dl.LC_ListStyleClean dt {
6349: padding-right: 5px;
6350: display: table-header-group;
6351: }
6352:
6353: dl.LC_ListStyleClean dd {
6354: display: table-row;
6355: }
6356:
6357: .LC_ListStyleClean,
6358: .LC_ListStyleSimple,
6359: .LC_ListStyleNormal,
6360: .LC_ListStyleSpecial {
6361: /* display:block; */
6362: list-style-position: inside;
6363: list-style-type: none;
6364: overflow: hidden;
6365: padding: 0;
6366: }
6367:
6368: .LC_ListStyleSimple li,
6369: .LC_ListStyleSimple dd,
6370: .LC_ListStyleNormal li,
6371: .LC_ListStyleNormal dd,
6372: .LC_ListStyleSpecial li,
6373: .LC_ListStyleSpecial dd {
6374: margin: 0;
6375: padding: 5px 5px 5px 10px;
6376: clear: both;
6377: }
6378:
6379: .LC_ListStyleClean li,
6380: .LC_ListStyleClean dd {
6381: padding-top: 0;
6382: padding-bottom: 0;
6383: }
6384:
6385: .LC_ListStyleSimple dd,
6386: .LC_ListStyleSimple li {
6387: border-bottom: solid 1px $lg_border_color;
6388: }
6389:
6390: .LC_ListStyleSpecial li,
6391: .LC_ListStyleSpecial dd {
6392: list-style-type: none;
6393: background-color: RGB(220, 220, 220);
6394: margin-bottom: 4px;
6395: }
6396:
6397: table.LC_SimpleTable {
6398: margin:5px;
6399: border:solid 1px $lg_border_color;
6400: }
6401:
6402: table.LC_SimpleTable tr {
6403: padding: 0;
6404: border:solid 1px $lg_border_color;
6405: }
6406:
6407: table.LC_SimpleTable thead {
6408: background:rgb(220,220,220);
6409: }
6410:
6411: div.LC_columnSection {
6412: display: block;
6413: clear: both;
6414: overflow: hidden;
6415: margin: 0;
6416: }
6417:
6418: div.LC_columnSection>* {
6419: float: left;
6420: margin: 10px 20px 10px 0;
6421: overflow:hidden;
6422: }
6423:
6424: table em {
6425: font-weight: bold;
6426: font-style: normal;
6427: }
6428:
6429: table.LC_tableBrowseRes,
6430: table.LC_tableOfContent {
6431: border:none;
6432: border-spacing: 1px;
6433: padding: 3px;
6434: background-color: #FFFFFF;
6435: font-size: 90%;
6436: }
6437:
6438: table.LC_tableOfContent {
6439: border-collapse: collapse;
6440: }
6441:
6442: table.LC_tableBrowseRes a,
6443: table.LC_tableOfContent a {
6444: background-color: transparent;
6445: text-decoration: none;
6446: }
6447:
6448: table.LC_tableOfContent img {
6449: border: none;
6450: height: 1.3em;
6451: vertical-align: text-bottom;
6452: margin-right: 0.3em;
6453: }
6454:
6455: a#LC_content_toolbar_firsthomework {
6456: background-image:url(/res/adm/pages/open-first-problem.gif);
6457: }
6458:
6459: a#LC_content_toolbar_everything {
6460: background-image:url(/res/adm/pages/show-all.gif);
6461: }
6462:
6463: a#LC_content_toolbar_uncompleted {
6464: background-image:url(/res/adm/pages/show-incomplete-problems.gif);
6465: }
6466:
6467: #LC_content_toolbar_clearbubbles {
6468: background-image:url(/res/adm/pages/mark-discussionentries-read.gif);
6469: }
6470:
6471: a#LC_content_toolbar_changefolder {
6472: background : url(/res/adm/pages/close-all-folders.gif) top center ;
6473: }
6474:
6475: a#LC_content_toolbar_changefolder_toggled {
6476: background-image:url(/res/adm/pages/open-all-folders.gif);
6477: }
6478:
6479: ul#LC_toolbar li a:hover {
6480: background-position: bottom center;
6481: }
6482:
6483: ul#LC_toolbar {
6484: padding: 0;
6485: margin: 2px;
6486: list-style:none;
6487: position:relative;
6488: background-color:white;
6489: }
6490:
6491: ul#LC_toolbar li {
6492: border:1px solid white;
6493: padding: 0;
6494: margin: 0;
6495: float: left;
6496: display:inline;
6497: vertical-align:middle;
6498: }
6499:
6500:
6501: a.LC_toolbarItem {
6502: display:block;
6503: padding: 0;
6504: margin: 0;
6505: height: 32px;
6506: width: 32px;
6507: color:white;
6508: border: none;
6509: background-repeat:no-repeat;
6510: background-color:transparent;
6511: }
6512:
6513: ul.LC_funclist {
6514: margin: 0;
6515: padding: 0.5em 1em 0.5em 0;
6516: }
6517:
6518: ul.LC_funclist > li:first-child {
6519: font-weight:bold;
6520: margin-left:0.8em;
6521: }
6522:
6523: ul.LC_funclist + ul.LC_funclist {
6524: /*
6525: left border as a seperator if we have more than
6526: one list
6527: */
6528: border-left: 1px solid $sidebg;
6529: /*
6530: this hides the left border behind the border of the
6531: outer box if element is wrapped to the next 'line'
6532: */
6533: margin-left: -1px;
6534: }
6535:
6536: ul.LC_funclist li {
6537: display: inline;
6538: white-space: nowrap;
6539: margin: 0 0 0 25px;
6540: line-height: 150%;
6541: }
6542:
6543: .ui-accordion .LC_advanced_toggle {
6544: float: right;
6545: font-size: 90%;
6546: padding: 0px 4px
6547: }
6548:
6549: .LC_hidden {
6550: display: none;
6551: }
6552:
6553: END
6554: }
6555:
6556: =pod
6557:
6558: =item * &headtag()
6559:
6560: Returns a uniform footer for LON-CAPA web pages.
6561:
6562: Inputs: $title - optional title for the head
6563: $head_extra - optional extra HTML to put inside the <head>
6564: $args - optional arguments
6565: force_register - if is true call registerurl so the remote is
6566: informed
6567: redirect -> array ref of
6568: 1- seconds before redirect occurs
6569: 2- url to redirect to
6570: 3- whether the side effect should occur
6571: (side effect of setting
6572: $env{'internal.head.redirect'} to the url
6573: redirected too)
6574: domain -> force to color decorate a page for a specific
6575: domain
6576: function -> force usage of a specific rolish color scheme
6577: bgcolor -> override the default page bgcolor
6578: no_auto_mt_title
6579: -> prevent &mt()ing the title arg
6580:
6581: =cut
6582:
6583: sub headtag {
6584: my ($title,$head_extra,$args) = @_;
6585:
6586: my $function = $args->{'function'} || &get_users_function();
6587: my $domain = $args->{'domain'} || &determinedomain();
6588: my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain);
6589: my $url = join(':',$env{'user.name'},$env{'user.domain'},
6590: $Apache::lonnet::perlvar{'lonVersion'},
6591: #time(),
6592: $env{'environment.color.timestamp'},
6593: $function,$domain,$bgcolor);
6594:
6595: $url = '/adm/css/'.&escape($url).'.css';
6596:
6597: my $result =
6598: '<head>'.
6599: &font_settings();
6600:
6601: if (!$args->{'frameset'}) {
6602: $result .= &Apache::lonhtmlcommon::htmlareaheaders();
6603: }
6604: if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
6605: $result .= Apache::lonxml::display_title();
6606: }
6607: if (!$args->{'no_nav_bar'}
6608: && !$args->{'only_body'}
6609: && !$args->{'frameset'}) {
6610: $result .= &help_menu_js();
6611: }
6612:
6613: if (ref($args->{'redirect'})) {
6614: my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
6615: $url = &Apache::lonenc::check_encrypt($url);
6616: if (!$inhibit_continue) {
6617: $env{'internal.head.redirect'} = $url;
6618: }
6619: $result.=<<ADDMETA
6620: <meta http-equiv="pragma" content="no-cache" />
6621: <meta http-equiv="Refresh" content="$time; url=$url" />
6622: ADDMETA
6623: }
6624: if (!defined($title)) {
6625: $title = 'The LearningOnline Network with CAPA';
6626: }
6627: if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
6628: $result .= '<title> LON-CAPA '.$title.'</title>'
6629: .'<link rel="stylesheet" type="text/css" href="'.$url.'" />'
6630: .$head_extra;
6631: return $result.'</head>';
6632: }
6633:
6634: =pod
6635:
6636: =item * &font_settings()
6637:
6638: Returns neccessary <meta> to set the proper encoding
6639:
6640: Inputs: none
6641:
6642: =cut
6643:
6644: sub font_settings {
6645: my $headerstring='';
6646: if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
6647: $headerstring.=
6648: '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
6649: }
6650: return $headerstring;
6651: }
6652:
6653: =pod
6654:
6655: =item * &xml_begin()
6656:
6657: Returns the needed doctype and <html>
6658:
6659: Inputs: none
6660:
6661: =cut
6662:
6663: sub xml_begin {
6664: my $output='';
6665:
6666: if ($env{'browser.mathml'}) {
6667: $output='<?xml version="1.0"?>'
6668: #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
6669: # .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
6670:
6671: # .'<!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">] >'
6672: .'<!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">'
6673: .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
6674: .'xmlns="http://www.w3.org/1999/xhtml">';
6675: } else {
6676: $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
6677: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">';
6678: }
6679: return $output;
6680: }
6681:
6682: =pod
6683:
6684: =item * &start_page()
6685:
6686: Returns a complete <html> .. <body> section for LON-CAPA web pages.
6687:
6688: Inputs:
6689:
6690: =over 4
6691:
6692: $title - optional title for the page
6693:
6694: $head_extra - optional extra HTML to incude inside the <head>
6695:
6696: $args - additional optional args supported are:
6697:
6698: =over 8
6699:
6700: only_body -> is true will set &bodytag() onlybodytag
6701: arg on
6702: no_nav_bar -> is true will set &bodytag() no_nav_bar arg on
6703: add_entries -> additional attributes to add to the <body>
6704: domain -> force to color decorate a page for a
6705: specific domain
6706: function -> force usage of a specific rolish color
6707: scheme
6708: redirect -> see &headtag()
6709: bgcolor -> override the default page bg color
6710: js_ready -> return a string ready for being used in
6711: a javascript writeln
6712: html_encode -> return a string ready for being used in
6713: a html attribute
6714: force_register -> if is true will turn on the &bodytag()
6715: $forcereg arg
6716: frameset -> if true will start with a <frameset>
6717: rather than <body>
6718: skip_phases -> hash ref of
6719: head -> skip the <html><head> generation
6720: body -> skip all <body> generation
6721: no_auto_mt_title -> prevent &mt()ing the title arg
6722: inherit_jsmath -> when creating popup window in a page,
6723: should it have jsmath forced on by the
6724: current page
6725: bread_crumbs -> Array containing breadcrumbs
6726: bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs
6727:
6728: =back
6729:
6730: =back
6731:
6732: =cut
6733:
6734: sub start_page {
6735: my ($title,$head_extra,$args) = @_;
6736: #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
6737: #SD
6738: #I don't see why we copy certain elements of %$args to %head_args
6739: #head args is passed to headtag() and this routine only reads those
6740: #keys that are needed. There doesn't happen any writes or any processing
6741: #of other keys.
6742: #proposal: just pass $args to headtag instead of \%head_args and delete
6743: #marked lines
6744: #<- MARK
6745: my %head_args;
6746: foreach my $arg ('redirect','force_register','domain','function',
6747: 'bgcolor','frameset','no_nav_bar','only_body',
6748: 'no_auto_mt_title') {
6749: if (defined($args->{$arg})) {
6750: $head_args{$arg} = $args->{$arg};
6751: }
6752: }
6753: #MARK ->
6754:
6755: $env{'internal.start_page'}++;
6756: my $result;
6757:
6758: if (! exists($args->{'skip_phases'}{'head'}) ) {
6759: $result .=
6760: &xml_begin() . &headtag($title,$head_extra,\%head_args);
6761: #replace prev line by
6762: # &xml_begin() . &headtag($title, $head_extra, $args);
6763: }
6764:
6765: if (! exists($args->{'skip_phases'}{'body'}) ) {
6766: if ($args->{'frameset'}) {
6767: my $attr_string = &make_attr_string($args->{'force_register'},
6768: $args->{'add_entries'});
6769: $result .= "\n<frameset $attr_string>\n";
6770: } else {
6771: $result .=
6772: &bodytag($title,
6773: $args->{'function'}, $args->{'add_entries'},
6774: $args->{'only_body'}, $args->{'domain'},
6775: $args->{'force_register'}, $args->{'no_nav_bar'},
6776: $args->{'bgcolor'}, $args);
6777: }
6778: }
6779:
6780: if ($args->{'js_ready'}) {
6781: $result = &js_ready($result);
6782: }
6783: if ($args->{'html_encode'}) {
6784: $result = &html_encode($result);
6785: }
6786:
6787: # Preparation for new and consistent functionlist at top of screen
6788: # if ($args->{'functionlist'}) {
6789: # $result .= &build_functionlist();
6790: #}
6791:
6792: # Don't add anything more if only_body wanted or in const space
6793: return $result if $args->{'only_body'}
6794: || $env{'request.state'} eq 'construct';
6795:
6796: #Breadcrumbs
6797: if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) {
6798: &Apache::lonhtmlcommon::clear_breadcrumbs();
6799: #if any br links exists, add them to the breadcrumbs
6800: if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') {
6801: foreach my $crumb (@{$args->{'bread_crumbs'}}){
6802: &Apache::lonhtmlcommon::add_breadcrumb($crumb);
6803: }
6804: }
6805:
6806: #if bread_crumbs_component exists show it as headline else show only the breadcrumbs
6807: if(exists($args->{'bread_crumbs_component'})){
6808: $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'});
6809: }else{
6810: $result .= &Apache::lonhtmlcommon::breadcrumbs();
6811: }
6812: }
6813: return $result;
6814: }
6815:
6816: sub end_page {
6817: my ($args) = @_;
6818: $env{'internal.end_page'}++;
6819: my $result;
6820: if ($args->{'discussion'}) {
6821: my ($target,$parser);
6822: if (ref($args->{'discussion'})) {
6823: ($target,$parser) =($args->{'discussion'}{'target'},
6824: $args->{'discussion'}{'parser'});
6825: }
6826: $result .= &Apache::lonxml::xmlend($target,$parser);
6827: }
6828:
6829: if ($args->{'frameset'}) {
6830: $result .= '</frameset>';
6831: } else {
6832: $result .= &endbodytag($args);
6833: }
6834: $result .= "\n</html>";
6835:
6836: if ($args->{'js_ready'}) {
6837: $result = &js_ready($result);
6838: }
6839:
6840: if ($args->{'html_encode'}) {
6841: $result = &html_encode($result);
6842: }
6843:
6844: return $result;
6845: }
6846:
6847: sub html_encode {
6848: my ($result) = @_;
6849:
6850: $result = &HTML::Entities::encode($result,'<>&"');
6851:
6852: return $result;
6853: }
6854: sub js_ready {
6855: my ($result) = @_;
6856:
6857: $result =~ s/[\n\r]/ /xmsg;
6858: $result =~ s/\\/\\\\/xmsg;
6859: $result =~ s/'/\\'/xmsg;
6860: $result =~ s{</}{<\\/}xmsg;
6861:
6862: return $result;
6863: }
6864:
6865: sub validate_page {
6866: if ( exists($env{'internal.start_page'})
6867: && $env{'internal.start_page'} > 1) {
6868: &Apache::lonnet::logthis('start_page called multiple times '.
6869: $env{'internal.start_page'}.' '.
6870: $ENV{'request.filename'});
6871: }
6872: if ( exists($env{'internal.end_page'})
6873: && $env{'internal.end_page'} > 1) {
6874: &Apache::lonnet::logthis('end_page called multiple times '.
6875: $env{'internal.end_page'}.' '.
6876: $env{'request.filename'});
6877: }
6878: if ( exists($env{'internal.start_page'})
6879: && ! exists($env{'internal.end_page'})) {
6880: &Apache::lonnet::logthis('start_page called without end_page '.
6881: $env{'request.filename'});
6882: }
6883: if ( ! exists($env{'internal.start_page'})
6884: && exists($env{'internal.end_page'})) {
6885: &Apache::lonnet::logthis('end_page called without start_page'.
6886: $env{'request.filename'});
6887: }
6888: }
6889:
6890:
6891: sub start_scrollbox {
6892: my ($outerwidth,$width,$height)=@_;
6893: unless ($outerwidth) { $outerwidth='520px'; }
6894: unless ($width) { $width='500px'; }
6895: unless ($height) { $height='200px'; }
6896: return "<table style='width: $outerwidth; border: 1px solid black;'><tr><td style='width: $width;' bgcolor='#FFFFFF'><div style='overflow:auto; width:$width; height: $height;'>";
6897: }
6898:
6899: sub end_scrollbox {
6900: return '</td></tr></table>';
6901: }
6902:
6903: sub simple_error_page {
6904: my ($r,$title,$msg) = @_;
6905: my $page =
6906: &Apache::loncommon::start_page($title).
6907: &mt($msg).
6908: &Apache::loncommon::end_page();
6909: if (ref($r)) {
6910: $r->print($page);
6911: return;
6912: }
6913: return $page;
6914: }
6915:
6916: {
6917: my @row_count;
6918:
6919: sub start_data_table_count {
6920: unshift(@row_count, 0);
6921: return;
6922: }
6923:
6924: sub end_data_table_count {
6925: shift(@row_count);
6926: return;
6927: }
6928:
6929: sub start_data_table {
6930: my ($add_class) = @_;
6931: my $css_class = (join(' ','LC_data_table',$add_class));
6932: &start_data_table_count();
6933: return '<table class="'.$css_class.'">'."\n";
6934: }
6935:
6936: sub end_data_table {
6937: &end_data_table_count();
6938: return '</table>'."\n";;
6939: }
6940:
6941: sub start_data_table_row {
6942: my ($add_class, $id) = @_;
6943: $row_count[0]++;
6944: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
6945: $css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
6946: $id = (' id="'.$id.'"') unless ($id eq '');
6947: return '<tr class="'.$css_class.'"'.$id.'>'."\n";
6948: }
6949:
6950: sub continue_data_table_row {
6951: my ($add_class, $id) = @_;
6952: my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row';
6953: $css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
6954: $id = (' id="'.$id.'"') unless ($id eq '');
6955: return '<tr class="'.$css_class.'"'.$id.'>'."\n";
6956: }
6957:
6958: sub end_data_table_row {
6959: return '</tr>'."\n";;
6960: }
6961:
6962: sub start_data_table_empty_row {
6963: # $row_count[0]++;
6964: return '<tr class="LC_empty_row" >'."\n";;
6965: }
6966:
6967: sub end_data_table_empty_row {
6968: return '</tr>'."\n";;
6969: }
6970:
6971: sub start_data_table_header_row {
6972: return '<tr class="LC_header_row">'."\n";;
6973: }
6974:
6975: sub end_data_table_header_row {
6976: return '</tr>'."\n";;
6977: }
6978:
6979: sub data_table_caption {
6980: my $caption = shift;
6981: return "<caption class=\"LC_caption\">$caption</caption>";
6982: }
6983: }
6984:
6985: =pod
6986:
6987: =item * &inhibit_menu_check($arg)
6988:
6989: Checks for a inhibitmenu state and generates output to preserve it
6990:
6991: Inputs: $arg - can be any of
6992: - undef - in which case the return value is a string
6993: to add into arguments list of a uri
6994: - 'input' - in which case the return value is a HTML
6995: <form> <input> field of type hidden to
6996: preserve the value
6997: - a url - in which case the return value is the url with
6998: the neccesary cgi args added to preserve the
6999: inhibitmenu state
7000: - a ref to a url - no return value, but the string is
7001: updated to include the neccessary cgi
7002: args to preserve the inhibitmenu state
7003:
7004: =cut
7005:
7006: sub inhibit_menu_check {
7007: my ($arg) = @_;
7008: &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
7009: if ($arg eq 'input') {
7010: if ($env{'form.inhibitmenu'}) {
7011: return '<input type="hidden" name="inhibitmenu" value="'.$env{'form.inhibitmenu'}.'" />';
7012: } else {
7013: return
7014: }
7015: }
7016: if ($env{'form.inhibitmenu'}) {
7017: if (ref($arg)) {
7018: $$arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
7019: } elsif ($arg eq '') {
7020: $arg .= 'inhibitmenu='.$env{'form.inhibitmenu'};
7021: } else {
7022: $arg .= '?inhibitmenu='.$env{'form.inhibitmenu'};
7023: }
7024: }
7025: if (!ref($arg)) {
7026: return $arg;
7027: }
7028: }
7029:
7030: ###############################################
7031:
7032: =pod
7033:
7034: =back
7035:
7036: =head1 User Information Routines
7037:
7038: =over 4
7039:
7040: =item * &get_users_function()
7041:
7042: Used by &bodytag to determine the current users primary role.
7043: Returns either 'student','coordinator','admin', or 'author'.
7044:
7045: =cut
7046:
7047: ###############################################
7048: sub get_users_function {
7049: my $function = 'norole';
7050: if ($env{'request.role'}=~/^(st)/) {
7051: $function='student';
7052: }
7053: if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/) {
7054: $function='coordinator';
7055: }
7056: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
7057: $function='admin';
7058: }
7059: if (($env{'request.role'}=~/^(au|ca|aa)/) ||
7060: ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
7061: $function='author';
7062: }
7063: return $function;
7064: }
7065:
7066: ###############################################
7067:
7068: =pod
7069:
7070: =item * &show_course()
7071:
7072: Used by lonmenu.pm and lonroles.pm to determine whether to use the word
7073: 'Courses' or 'Roles' in inline navigation and on screen displaying user's roles.
7074:
7075: Inputs:
7076: None
7077:
7078: Outputs:
7079: Scalar: 1 if 'Course' to be used, 0 otherwise.
7080:
7081: =cut
7082:
7083: ###############################################
7084: sub show_course {
7085: my $course = !$env{'user.adv'};
7086: if (!$env{'user.adv'}) {
7087: foreach my $env (keys(%env)) {
7088: next if ($env !~ m/^user\.priv\./);
7089: if ($env !~ m/^user\.priv\.(?:st|cm)/) {
7090: $course = 0;
7091: last;
7092: }
7093: }
7094: }
7095: return $course;
7096: }
7097:
7098: ###############################################
7099:
7100: =pod
7101:
7102: =item * &check_user_status()
7103:
7104: Determines current status of supplied role for a
7105: specific user. Roles can be active, previous or future.
7106:
7107: Inputs:
7108: user's domain, user's username, course's domain,
7109: course's number, optional section ID.
7110:
7111: Outputs:
7112: role status: active, previous or future.
7113:
7114: =cut
7115:
7116: sub check_user_status {
7117: my ($udom,$uname,$cdom,$crs,$role,$sec) = @_;
7118: my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
7119: my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname,'.',undef,$extra);
7120: my @uroles = keys %userinfo;
7121: my $srchstr;
7122: my $active_chk = 'none';
7123: my $now = time;
7124: if (@uroles > 0) {
7125: if (($role eq 'cc') || ($role eq 'co') || ($sec eq '') || (!defined($sec))) {
7126: $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
7127: } else {
7128: $srchstr = '/'.$cdom.'/'.$crs.'/'.$sec.'_'.$role;
7129: }
7130: if (grep/^\Q$srchstr\E$/,@uroles) {
7131: my $role_end = 0;
7132: my $role_start = 0;
7133: $active_chk = 'active';
7134: if ($userinfo{$srchstr} =~ m/^\Q$role\E_(\d+)/) {
7135: $role_end = $1;
7136: if ($userinfo{$srchstr} =~ m/^\Q$role\E_\Q$role_end\E_(\d+)$/) {
7137: $role_start = $1;
7138: }
7139: }
7140: if ($role_start > 0) {
7141: if ($now < $role_start) {
7142: $active_chk = 'future';
7143: }
7144: }
7145: if ($role_end > 0) {
7146: if ($now > $role_end) {
7147: $active_chk = 'previous';
7148: }
7149: }
7150: }
7151: }
7152: return $active_chk;
7153: }
7154:
7155: ###############################################
7156:
7157: =pod
7158:
7159: =item * &get_sections()
7160:
7161: Determines all the sections for a course including
7162: sections with students and sections containing other roles.
7163: Incoming parameters:
7164:
7165: 1. domain
7166: 2. course number
7167: 3. reference to array containing roles for which sections should
7168: be gathered (optional).
7169: 4. reference to array containing status types for which sections
7170: should be gathered (optional).
7171:
7172: If the third argument is undefined, sections are gathered for any role.
7173: If the fourth argument is undefined, sections are gathered for any status.
7174: Permissible values are 'active' or 'future' or 'previous'.
7175:
7176: Returns section hash (keys are section IDs, values are
7177: number of users in each section), subject to the
7178: optional roles filter, optional status filter
7179:
7180: =cut
7181:
7182: ###############################################
7183: sub get_sections {
7184: my ($cdom,$cnum,$possible_roles,$possible_status) = @_;
7185: if (!defined($cdom) || !defined($cnum)) {
7186: my $cid = $env{'request.course.id'};
7187:
7188: return if (!defined($cid));
7189:
7190: $cdom = $env{'course.'.$cid.'.domain'};
7191: $cnum = $env{'course.'.$cid.'.num'};
7192: }
7193:
7194: my %sectioncount;
7195: my $now = time;
7196:
7197: if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
7198: my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
7199: my $sec_index = &Apache::loncoursedata::CL_SECTION();
7200: my $status_index = &Apache::loncoursedata::CL_STATUS();
7201: my $start_index = &Apache::loncoursedata::CL_START();
7202: my $end_index = &Apache::loncoursedata::CL_END();
7203: my $status;
7204: while (my ($student,$data) = each(%$classlist)) {
7205: my ($section,$stu_status,$start,$end) = ($data->[$sec_index],
7206: $data->[$status_index],
7207: $data->[$start_index],
7208: $data->[$end_index]);
7209: if ($stu_status eq 'Active') {
7210: $status = 'active';
7211: } elsif ($end < $now) {
7212: $status = 'previous';
7213: } elsif ($start > $now) {
7214: $status = 'future';
7215: }
7216: if ($section ne '-1' && $section !~ /^\s*$/) {
7217: if ((!defined($possible_status)) || (($status ne '') &&
7218: (grep/^\Q$status\E$/,@{$possible_status}))) {
7219: $sectioncount{$section}++;
7220: }
7221: }
7222: }
7223: }
7224: my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7225: foreach my $user (sort(keys(%courseroles))) {
7226: if ($user !~ /^(\w{2})/) { next; }
7227: my ($role) = ($user =~ /^(\w{2})/);
7228: if ($possible_roles && !(grep(/^$role$/,@$possible_roles))) { next; }
7229: my ($section,$status);
7230: if ($role eq 'cr' &&
7231: $user =~ m-^$role/[^/]*/[^/]*/[^/]*:[^:]*:[^:]*:(\w+)-) {
7232: $section=$1;
7233: }
7234: if ($user =~ /^$role:[^:]*:[^:]*:(\w+)/) { $section=$1; }
7235: if (!defined($section) || $section eq '-1') { next; }
7236: my ($end,$start) = ($courseroles{$user} =~ /^([^:]*):([^:]*)$/);
7237: if ($end == -1 && $start == -1) {
7238: next; #deleted role
7239: }
7240: if (!defined($possible_status)) {
7241: $sectioncount{$section}++;
7242: } else {
7243: if ((!$end || $end >= $now) && (!$start || $start <= $now)) {
7244: $status = 'active';
7245: } elsif ($end < $now) {
7246: $status = 'future';
7247: } elsif ($start > $now) {
7248: $status = 'previous';
7249: }
7250: if (($status ne '') && (grep/^\Q$status\E$/,@{$possible_status})) {
7251: $sectioncount{$section}++;
7252: }
7253: }
7254: }
7255: return %sectioncount;
7256: }
7257:
7258: ###############################################
7259:
7260: =pod
7261:
7262: =item * &get_course_users()
7263:
7264: Retrieves usernames:domains for users in the specified course
7265: with specific role(s), and access status.
7266:
7267: Incoming parameters:
7268: 1. course domain
7269: 2. course number
7270: 3. access status: users must have - either active,
7271: previous, future, or all.
7272: 4. reference to array of permissible roles
7273: 5. reference to array of section restrictions (optional)
7274: 6. reference to results object (hash of hashes).
7275: 7. reference to optional userdata hash
7276: 8. reference to optional statushash
7277: 9. flag if privileged users (except those set to unhide in
7278: course settings) should be excluded
7279: Keys of top level results hash are roles.
7280: Keys of inner hashes are username:domain, with
7281: values set to access type.
7282: Optional userdata hash returns an array with arguments in the
7283: same order as loncoursedata::get_classlist() for student data.
7284:
7285: Optional statushash returns
7286:
7287: Entries for end, start, section and status are blank because
7288: of the possibility of multiple values for non-student roles.
7289:
7290: =cut
7291:
7292: ###############################################
7293:
7294: sub get_course_users {
7295: my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata,$statushash,$hidepriv) = @_;
7296: my %idx = ();
7297: my %seclists;
7298:
7299: $idx{udom} = &Apache::loncoursedata::CL_SDOM();
7300: $idx{uname} = &Apache::loncoursedata::CL_SNAME();
7301: $idx{end} = &Apache::loncoursedata::CL_END();
7302: $idx{start} = &Apache::loncoursedata::CL_START();
7303: $idx{id} = &Apache::loncoursedata::CL_ID();
7304: $idx{section} = &Apache::loncoursedata::CL_SECTION();
7305: $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
7306: $idx{status} = &Apache::loncoursedata::CL_STATUS();
7307:
7308: if (grep(/^st$/,@{$roles})) {
7309: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
7310: my $now = time;
7311: foreach my $student (keys(%{$classlist})) {
7312: my $match = 0;
7313: my $secmatch = 0;
7314: my $section = $$classlist{$student}[$idx{section}];
7315: my $status = $$classlist{$student}[$idx{status}];
7316: if ($section eq '') {
7317: $section = 'none';
7318: }
7319: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
7320: if (grep(/^all$/,@{$sections})) {
7321: $secmatch = 1;
7322: } elsif ($$classlist{$student}[$idx{section}] eq '') {
7323: if (grep(/^none$/,@{$sections})) {
7324: $secmatch = 1;
7325: }
7326: } else {
7327: if (grep(/^\Q$section\E$/,@{$sections})) {
7328: $secmatch = 1;
7329: }
7330: }
7331: if (!$secmatch) {
7332: next;
7333: }
7334: }
7335: if (defined($$types{'active'})) {
7336: if ($$classlist{$student}[$idx{status}] eq 'Active') {
7337: push(@{$$users{st}{$student}},'active');
7338: $match = 1;
7339: }
7340: }
7341: if (defined($$types{'previous'})) {
7342: if ($$classlist{$student}[$idx{status}] eq 'Expired') {
7343: push(@{$$users{st}{$student}},'previous');
7344: $match = 1;
7345: }
7346: }
7347: if (defined($$types{'future'})) {
7348: if ($$classlist{$student}[$idx{status}] eq 'Future') {
7349: push(@{$$users{st}{$student}},'future');
7350: $match = 1;
7351: }
7352: }
7353: if ($match) {
7354: push(@{$seclists{$student}},$section);
7355: if (ref($userdata) eq 'HASH') {
7356: $$userdata{$student} = $$classlist{$student};
7357: }
7358: if (ref($statushash) eq 'HASH') {
7359: $statushash->{$student}{'st'}{$section} = $status;
7360: }
7361: }
7362: }
7363: }
7364: if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) {
7365: my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7366: my $now = time;
7367: my %displaystatus = ( previous => 'Expired',
7368: active => 'Active',
7369: future => 'Future',
7370: );
7371: my %nothide;
7372: if ($hidepriv) {
7373: my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
7374: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
7375: if ($user !~ /:/) {
7376: $nothide{join(':',split(/[\@]/,$user))}=1;
7377: } else {
7378: $nothide{$user} = 1;
7379: }
7380: }
7381: }
7382: foreach my $person (sort(keys(%coursepersonnel))) {
7383: my $match = 0;
7384: my $secmatch = 0;
7385: my $status;
7386: my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
7387: $user =~ s/:$//;
7388: my ($end,$start) = split(/:/,$coursepersonnel{$person});
7389: if ($end == -1 || $start == -1) {
7390: next;
7391: }
7392: if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) ||
7393: (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) {
7394: my ($uname,$udom) = split(/:/,$user);
7395: if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
7396: if (grep(/^all$/,@{$sections})) {
7397: $secmatch = 1;
7398: } elsif ($usec eq '') {
7399: if (grep(/^none$/,@{$sections})) {
7400: $secmatch = 1;
7401: }
7402: } else {
7403: if (grep(/^\Q$usec\E$/,@{$sections})) {
7404: $secmatch = 1;
7405: }
7406: }
7407: if (!$secmatch) {
7408: next;
7409: }
7410: }
7411: if ($usec eq '') {
7412: $usec = 'none';
7413: }
7414: if ($uname ne '' && $udom ne '') {
7415: if ($hidepriv) {
7416: if ((&Apache::lonnet::privileged($uname,$udom)) &&
7417: (!$nothide{$uname.':'.$udom})) {
7418: next;
7419: }
7420: }
7421: if ($end > 0 && $end < $now) {
7422: $status = 'previous';
7423: } elsif ($start > $now) {
7424: $status = 'future';
7425: } else {
7426: $status = 'active';
7427: }
7428: foreach my $type (keys(%{$types})) {
7429: if ($status eq $type) {
7430: if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) {
7431: push(@{$$users{$role}{$user}},$type);
7432: }
7433: $match = 1;
7434: }
7435: }
7436: if (($match) && (ref($userdata) eq 'HASH')) {
7437: if (!exists($$userdata{$uname.':'.$udom})) {
7438: &get_user_info($udom,$uname,\%idx,$userdata);
7439: }
7440: if (!grep(/^\Q$usec\E$/,@{$seclists{$uname.':'.$udom}})) {
7441: push(@{$seclists{$uname.':'.$udom}},$usec);
7442: }
7443: if (ref($statushash) eq 'HASH') {
7444: $statushash->{$uname.':'.$udom}{$role}{$usec} = $displaystatus{$status};
7445: }
7446: }
7447: }
7448: }
7449: }
7450: if (grep(/^ow$/,@{$roles})) {
7451: if ((defined($cdom)) && (defined($cnum))) {
7452: my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
7453: if ( defined($csettings{'internal.courseowner'}) ) {
7454: my $owner = $csettings{'internal.courseowner'};
7455: next if ($owner eq '');
7456: my ($ownername,$ownerdom);
7457: if ($owner =~ /^([^:]+):([^:]+)$/) {
7458: $ownername = $1;
7459: $ownerdom = $2;
7460: } else {
7461: $ownername = $owner;
7462: $ownerdom = $cdom;
7463: $owner = $ownername.':'.$ownerdom;
7464: }
7465: @{$$users{'ow'}{$owner}} = 'any';
7466: if (defined($userdata) &&
7467: !exists($$userdata{$owner})) {
7468: &get_user_info($ownerdom,$ownername,\%idx,$userdata);
7469: if (!grep(/^none$/,@{$seclists{$owner}})) {
7470: push(@{$seclists{$owner}},'none');
7471: }
7472: if (ref($statushash) eq 'HASH') {
7473: $statushash->{$owner}{'ow'}{'none'} = 'Any';
7474: }
7475: }
7476: }
7477: }
7478: }
7479: foreach my $user (keys(%seclists)) {
7480: @{$seclists{$user}} = (sort {$a <=> $b} @{$seclists{$user}});
7481: $$userdata{$user}[$idx{section}] = join(',',@{$seclists{$user}});
7482: }
7483: }
7484: return;
7485: }
7486:
7487: sub get_user_info {
7488: my ($udom,$uname,$idx,$userdata) = @_;
7489: $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
7490: &plainname($uname,$udom,'lastname');
7491: $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
7492: $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
7493: my %idhash = &Apache::lonnet::idrget($udom,($uname));
7494: $$userdata{$uname.':'.$udom}[$$idx{id}] = $idhash{$uname};
7495: return;
7496: }
7497:
7498: ###############################################
7499:
7500: =pod
7501:
7502: =item * &get_user_quota()
7503:
7504: Retrieves quota assigned for storage of portfolio files for a user
7505:
7506: Incoming parameters:
7507: 1. user's username
7508: 2. user's domain
7509:
7510: Returns:
7511: 1. Disk quota (in Mb) assigned to student.
7512: 2. (Optional) Type of setting: custom or default
7513: (individually assigned or default for user's
7514: institutional status).
7515: 3. (Optional) - User's institutional status (e.g., faculty, staff
7516: or student - types as defined in localenroll::inst_usertypes
7517: for user's domain, which determines default quota for user.
7518: 4. (Optional) - Default quota which would apply to the user.
7519:
7520: If a value has been stored in the user's environment,
7521: it will return that, otherwise it returns the maximal default
7522: defined for the user's instituional status(es) in the domain.
7523:
7524: =cut
7525:
7526: ###############################################
7527:
7528:
7529: sub get_user_quota {
7530: my ($uname,$udom) = @_;
7531: my ($quota,$quotatype,$settingstatus,$defquota);
7532: if (!defined($udom)) {
7533: $udom = $env{'user.domain'};
7534: }
7535: if (!defined($uname)) {
7536: $uname = $env{'user.name'};
7537: }
7538: if (($udom eq '' || $uname eq '') ||
7539: ($udom eq 'public') && ($uname eq 'public')) {
7540: $quota = 0;
7541: $quotatype = 'default';
7542: $defquota = 0;
7543: } else {
7544: my $inststatus;
7545: if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) {
7546: $quota = $env{'environment.portfolioquota'};
7547: $inststatus = $env{'environment.inststatus'};
7548: } else {
7549: my %userenv =
7550: &Apache::lonnet::get('environment',['portfolioquota',
7551: 'inststatus'],$udom,$uname);
7552: my ($tmp) = keys(%userenv);
7553: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
7554: $quota = $userenv{'portfolioquota'};
7555: $inststatus = $userenv{'inststatus'};
7556: } else {
7557: undef(%userenv);
7558: }
7559: }
7560: ($defquota,$settingstatus) = &default_quota($udom,$inststatus);
7561: if ($quota eq '') {
7562: $quota = $defquota;
7563: $quotatype = 'default';
7564: } else {
7565: $quotatype = 'custom';
7566: }
7567: }
7568: if (wantarray) {
7569: return ($quota,$quotatype,$settingstatus,$defquota);
7570: } else {
7571: return $quota;
7572: }
7573: }
7574:
7575: ###############################################
7576:
7577: =pod
7578:
7579: =item * &default_quota()
7580:
7581: Retrieves default quota assigned for storage of user portfolio files,
7582: given an (optional) user's institutional status.
7583:
7584: Incoming parameters:
7585: 1. domain
7586: 2. (Optional) institutional status(es). This is a : separated list of
7587: status types (e.g., faculty, staff, student etc.)
7588: which apply to the user for whom the default is being retrieved.
7589: If the institutional status string in undefined, the domain
7590: default quota will be returned.
7591:
7592: Returns:
7593: 1. Default disk quota (in Mb) for user portfolios in the domain.
7594: 2. (Optional) institutional type which determined the value of the
7595: default quota.
7596:
7597: If a value has been stored in the domain's configuration db,
7598: it will return that, otherwise it returns 20 (for backwards
7599: compatibility with domains which have not set up a configuration
7600: db file; the original statically defined portfolio quota was 20 Mb).
7601:
7602: If the user's status includes multiple types (e.g., staff and student),
7603: the largest default quota which applies to the user determines the
7604: default quota returned.
7605:
7606: =back
7607:
7608: =cut
7609:
7610: ###############################################
7611:
7612:
7613: sub default_quota {
7614: my ($udom,$inststatus) = @_;
7615: my ($defquota,$settingstatus);
7616: my %quotahash = &Apache::lonnet::get_dom('configuration',
7617: ['quotas'],$udom);
7618: if (ref($quotahash{'quotas'}) eq 'HASH') {
7619: if ($inststatus ne '') {
7620: my @statuses = map { &unescape($_); } split(/:/,$inststatus);
7621: foreach my $item (@statuses) {
7622: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
7623: if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') {
7624: if ($defquota eq '') {
7625: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
7626: $settingstatus = $item;
7627: } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) {
7628: $defquota = $quotahash{'quotas'}{'defaultquota'}{$item};
7629: $settingstatus = $item;
7630: }
7631: }
7632: } else {
7633: if ($quotahash{'quotas'}{$item} ne '') {
7634: if ($defquota eq '') {
7635: $defquota = $quotahash{'quotas'}{$item};
7636: $settingstatus = $item;
7637: } elsif ($quotahash{'quotas'}{$item} > $defquota) {
7638: $defquota = $quotahash{'quotas'}{$item};
7639: $settingstatus = $item;
7640: }
7641: }
7642: }
7643: }
7644: }
7645: if ($defquota eq '') {
7646: if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') {
7647: $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'};
7648: } else {
7649: $defquota = $quotahash{'quotas'}{'default'};
7650: }
7651: $settingstatus = 'default';
7652: }
7653: } else {
7654: $settingstatus = 'default';
7655: $defquota = 20;
7656: }
7657: if (wantarray) {
7658: return ($defquota,$settingstatus);
7659: } else {
7660: return $defquota;
7661: }
7662: }
7663:
7664: sub get_secgrprole_info {
7665: my ($cdom,$cnum,$needroles,$type) = @_;
7666: my %sections_count = &get_sections($cdom,$cnum);
7667: my @sections = (sort {$a <=> $b} keys(%sections_count));
7668: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
7669: my @groups = sort(keys(%curr_groups));
7670: my $allroles = [];
7671: my $rolehash;
7672: my $accesshash = {
7673: active => 'Currently has access',
7674: future => 'Will have future access',
7675: previous => 'Previously had access',
7676: };
7677: if ($needroles) {
7678: $rolehash = {'all' => 'all'};
7679: my %user_roles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
7680: if (&Apache::lonnet::error(%user_roles)) {
7681: undef(%user_roles);
7682: }
7683: foreach my $item (keys(%user_roles)) {
7684: my ($role)=split(/\:/,$item,2);
7685: if ($role eq 'cr') { next; }
7686: if ($role =~ /^cr/) {
7687: $$rolehash{$role} = (split('/',$role))[3];
7688: } else {
7689: $$rolehash{$role} = &Apache::lonnet::plaintext($role,$type);
7690: }
7691: }
7692: foreach my $key (sort(keys(%{$rolehash}))) {
7693: push(@{$allroles},$key);
7694: }
7695: push (@{$allroles},'st');
7696: $$rolehash{'st'} = &Apache::lonnet::plaintext('st',$type);
7697: }
7698: return (\@sections,\@groups,$allroles,$rolehash,$accesshash);
7699: }
7700:
7701: sub user_picker {
7702: my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_;
7703: my $currdom = $dom;
7704: my %curr_selected = (
7705: srchin => 'dom',
7706: srchby => 'lastname',
7707: );
7708: my $srchterm;
7709: if ((ref($srch) eq 'HASH') && ($env{'form.origform'} ne 'crtusername')) {
7710: if ($srch->{'srchby'} ne '') {
7711: $curr_selected{'srchby'} = $srch->{'srchby'};
7712: }
7713: if ($srch->{'srchin'} ne '') {
7714: $curr_selected{'srchin'} = $srch->{'srchin'};
7715: }
7716: if ($srch->{'srchtype'} ne '') {
7717: $curr_selected{'srchtype'} = $srch->{'srchtype'};
7718: }
7719: if ($srch->{'srchdomain'} ne '') {
7720: $currdom = $srch->{'srchdomain'};
7721: }
7722: $srchterm = $srch->{'srchterm'};
7723: }
7724: my %lt=&Apache::lonlocal::texthash(
7725: 'usr' => 'Search criteria',
7726: 'doma' => 'Domain/institution to search',
7727: 'uname' => 'username',
7728: 'lastname' => 'last name',
7729: 'lastfirst' => 'last name, first name',
7730: 'crs' => 'in this course',
7731: 'dom' => 'in selected LON-CAPA domain',
7732: 'alc' => 'all LON-CAPA',
7733: 'instd' => 'in institutional directory for selected domain',
7734: 'exact' => 'is',
7735: 'contains' => 'contains',
7736: 'begins' => 'begins with',
7737: 'youm' => "You must include some text to search for.",
7738: 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
7739: 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
7740: 'yomc' => "You must choose a domain when using an institutional directory search.",
7741: 'ymcd' => "You must choose a domain when using a domain search.",
7742: 'whus' => "When using searching by last,first you must include a comma as separator between last name and first name.",
7743: 'whse' => "When searching by last,first you must include at least one character in the first name.",
7744: 'thfo' => "The following need to be corrected before the search can be run:",
7745: );
7746: my $domform = &select_dom_form($currdom,'srchdomain',1,1);
7747: my $srchinsel = ' <select name="srchin">';
7748:
7749: my @srchins = ('crs','dom','alc','instd');
7750:
7751: foreach my $option (@srchins) {
7752: # FIXME 'alc' option unavailable until
7753: # loncreateuser::print_user_query_page()
7754: # has been completed.
7755: next if ($option eq 'alc');
7756: next if (($option eq 'crs') && ($env{'form.form'} eq 'requestcrs'));
7757: next if ($option eq 'crs' && !$env{'request.course.id'});
7758: if ($curr_selected{'srchin'} eq $option) {
7759: $srchinsel .= '
7760: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7761: } else {
7762: $srchinsel .= '
7763: <option value="'.$option.'">'.$lt{$option}.'</option>';
7764: }
7765: }
7766: $srchinsel .= "\n </select>\n";
7767:
7768: my $srchbysel = ' <select name="srchby">';
7769: foreach my $option ('lastname','lastfirst','uname') {
7770: if ($curr_selected{'srchby'} eq $option) {
7771: $srchbysel .= '
7772: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7773: } else {
7774: $srchbysel .= '
7775: <option value="'.$option.'">'.$lt{$option}.'</option>';
7776: }
7777: }
7778: $srchbysel .= "\n </select>\n";
7779:
7780: my $srchtypesel = ' <select name="srchtype">';
7781: foreach my $option ('begins','contains','exact') {
7782: if ($curr_selected{'srchtype'} eq $option) {
7783: $srchtypesel .= '
7784: <option value="'.$option.'" selected="selected">'.$lt{$option}.'</option>';
7785: } else {
7786: $srchtypesel .= '
7787: <option value="'.$option.'">'.$lt{$option}.'</option>';
7788: }
7789: }
7790: $srchtypesel .= "\n </select>\n";
7791:
7792: my ($newuserscript,$new_user_create);
7793: my $context_dom = $env{'request.role.domain'};
7794: if ($context eq 'requestcrs') {
7795: if ($env{'form.coursedom'} ne '') {
7796: $context_dom = $env{'form.coursedom'};
7797: }
7798: }
7799: if ($forcenewuser) {
7800: if (ref($srch) eq 'HASH') {
7801: if ($srch->{'srchby'} eq 'uname' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchin'} eq 'dom' && $srch->{'srchdomain'} eq $context_dom) {
7802: if ($cancreate) {
7803: $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>';
7804: } else {
7805: my $helplink = 'javascript:helpMenu('."'display'".')';
7806: my %usertypetext = (
7807: official => 'institutional',
7808: unofficial => 'non-institutional',
7809: );
7810: $new_user_create = '<p class="LC_warning">'
7811: .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
7812: .' '
7813: .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
7814: ,'<a href="'.$helplink.'">','</a>')
7815: .'</p><br />';
7816: }
7817: }
7818: }
7819:
7820: $newuserscript = <<"ENDSCRIPT";
7821:
7822: function setSearch(createnew,callingForm) {
7823: if (createnew == 1) {
7824: for (var i=0; i<callingForm.srchby.length; i++) {
7825: if (callingForm.srchby.options[i].value == 'uname') {
7826: callingForm.srchby.selectedIndex = i;
7827: }
7828: }
7829: for (var i=0; i<callingForm.srchin.length; i++) {
7830: if ( callingForm.srchin.options[i].value == 'dom') {
7831: callingForm.srchin.selectedIndex = i;
7832: }
7833: }
7834: for (var i=0; i<callingForm.srchtype.length; i++) {
7835: if (callingForm.srchtype.options[i].value == 'exact') {
7836: callingForm.srchtype.selectedIndex = i;
7837: }
7838: }
7839: for (var i=0; i<callingForm.srchdomain.length; i++) {
7840: if (callingForm.srchdomain.options[i].value == '$context_dom') {
7841: callingForm.srchdomain.selectedIndex = i;
7842: }
7843: }
7844: }
7845: }
7846: ENDSCRIPT
7847:
7848: }
7849:
7850: my $output = <<"END_BLOCK";
7851: <script type="text/javascript">
7852: // <![CDATA[
7853: function validateEntry(callingForm) {
7854:
7855: var checkok = 1;
7856: var srchin;
7857: for (var i=0; i<callingForm.srchin.length; i++) {
7858: if ( callingForm.srchin[i].checked ) {
7859: srchin = callingForm.srchin[i].value;
7860: }
7861: }
7862:
7863: var srchtype = callingForm.srchtype.options[callingForm.srchtype.selectedIndex].value;
7864: var srchby = callingForm.srchby.options[callingForm.srchby.selectedIndex].value;
7865: var srchdomain = callingForm.srchdomain.options[callingForm.srchdomain.selectedIndex].value;
7866: var srchterm = callingForm.srchterm.value;
7867: var srchin = callingForm.srchin.options[callingForm.srchin.selectedIndex].value;
7868: var msg = "";
7869:
7870: if (srchterm == "") {
7871: checkok = 0;
7872: msg += "$lt{'youm'}\\n";
7873: }
7874:
7875: if (srchtype== 'begins') {
7876: if (srchterm.length < 2) {
7877: checkok = 0;
7878: msg += "$lt{'thte'}\\n";
7879: }
7880: }
7881:
7882: if (srchtype== 'contains') {
7883: if (srchterm.length < 3) {
7884: checkok = 0;
7885: msg += "$lt{'thet'}\\n";
7886: }
7887: }
7888: if (srchin == 'instd') {
7889: if (srchdomain == '') {
7890: checkok = 0;
7891: msg += "$lt{'yomc'}\\n";
7892: }
7893: }
7894: if (srchin == 'dom') {
7895: if (srchdomain == '') {
7896: checkok = 0;
7897: msg += "$lt{'ymcd'}\\n";
7898: }
7899: }
7900: if (srchby == 'lastfirst') {
7901: if (srchterm.indexOf(",") == -1) {
7902: checkok = 0;
7903: msg += "$lt{'whus'}\\n";
7904: }
7905: if (srchterm.indexOf(",") == srchterm.length -1) {
7906: checkok = 0;
7907: msg += "$lt{'whse'}\\n";
7908: }
7909: }
7910: if (checkok == 0) {
7911: alert("$lt{'thfo'}\\n"+msg);
7912: return;
7913: }
7914: if (checkok == 1) {
7915: callingForm.submit();
7916: }
7917: }
7918:
7919: $newuserscript
7920:
7921: // ]]>
7922: </script>
7923:
7924: $new_user_create
7925:
7926: END_BLOCK
7927:
7928: $output .= &Apache::lonhtmlcommon::start_pick_box().
7929: &Apache::lonhtmlcommon::row_title($lt{'doma'}).
7930: $domform.
7931: &Apache::lonhtmlcommon::row_closure().
7932: &Apache::lonhtmlcommon::row_title($lt{'usr'}).
7933: $srchbysel.
7934: $srchtypesel.
7935: '<input type="text" size="15" name="srchterm" value="'.$srchterm.'" />'.
7936: $srchinsel.
7937: &Apache::lonhtmlcommon::row_closure(1).
7938: &Apache::lonhtmlcommon::end_pick_box().
7939: '<br />';
7940: return $output;
7941: }
7942:
7943: sub user_rule_check {
7944: my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
7945: my $response;
7946: if (ref($usershash) eq 'HASH') {
7947: foreach my $user (keys(%{$usershash})) {
7948: my ($uname,$udom) = split(/:/,$user);
7949: next if ($udom eq '' || $uname eq '');
7950: my ($id,$newuser);
7951: if (ref($usershash->{$user}) eq 'HASH') {
7952: $newuser = $usershash->{$user}->{'newuser'};
7953: $id = $usershash->{$user}->{'id'};
7954: }
7955: my $inst_response;
7956: if (ref($checks) eq 'HASH') {
7957: if (defined($checks->{'username'})) {
7958: ($inst_response,%{$inst_results->{$user}}) =
7959: &Apache::lonnet::get_instuser($udom,$uname);
7960: } elsif (defined($checks->{'id'})) {
7961: ($inst_response,%{$inst_results->{$user}}) =
7962: &Apache::lonnet::get_instuser($udom,undef,$id);
7963: }
7964: } else {
7965: ($inst_response,%{$inst_results->{$user}}) =
7966: &Apache::lonnet::get_instuser($udom,$uname);
7967: return;
7968: }
7969: if (!$got_rules->{$udom}) {
7970: my %domconfig = &Apache::lonnet::get_dom('configuration',
7971: ['usercreation'],$udom);
7972: if (ref($domconfig{'usercreation'}) eq 'HASH') {
7973: foreach my $item ('username','id') {
7974: if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
7975: $$curr_rules{$udom}{$item} =
7976: $domconfig{'usercreation'}{$item.'_rule'};
7977: }
7978: }
7979: }
7980: $got_rules->{$udom} = 1;
7981: }
7982: foreach my $item (keys(%{$checks})) {
7983: if (ref($$curr_rules{$udom}) eq 'HASH') {
7984: if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
7985: if (@{$$curr_rules{$udom}{$item}} > 0) {
7986: my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
7987: foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
7988: if ($rule_check{$rule}) {
7989: $$rulematch{$user}{$item} = $rule;
7990: if ($inst_response eq 'ok') {
7991: if (ref($inst_results) eq 'HASH') {
7992: if (ref($inst_results->{$user}) eq 'HASH') {
7993: if (keys(%{$inst_results->{$user}}) == 0) {
7994: $$alerts{$item}{$udom}{$uname} = 1;
7995: }
7996: }
7997: }
7998: }
7999: last;
8000: }
8001: }
8002: }
8003: }
8004: }
8005: }
8006: }
8007: }
8008: return;
8009: }
8010:
8011: sub user_rule_formats {
8012: my ($domain,$domdesc,$curr_rules,$check) = @_;
8013: my %text = (
8014: 'username' => 'Usernames',
8015: 'id' => 'IDs',
8016: );
8017: my $output;
8018: my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
8019: if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
8020: if (@{$ruleorder} > 0) {
8021: $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>';
8022: foreach my $rule (@{$ruleorder}) {
8023: if (ref($curr_rules) eq 'ARRAY') {
8024: if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
8025: if (ref($rules->{$rule}) eq 'HASH') {
8026: $output .= '<li>'.$rules->{$rule}{'name'}.': '.
8027: $rules->{$rule}{'desc'}.'</li>';
8028: }
8029: }
8030: }
8031: }
8032: $output .= '</ul>';
8033: }
8034: }
8035: return $output;
8036: }
8037:
8038: sub instrule_disallow_msg {
8039: my ($checkitem,$domdesc,$count,$mode) = @_;
8040: my $response;
8041: my %text = (
8042: item => 'username',
8043: items => 'usernames',
8044: match => 'matches',
8045: do => 'does',
8046: action => 'a username',
8047: one => 'one',
8048: );
8049: if ($count > 1) {
8050: $text{'item'} = 'usernames';
8051: $text{'match'} ='match';
8052: $text{'do'} = 'do';
8053: $text{'action'} = 'usernames',
8054: $text{'one'} = 'ones';
8055: }
8056: if ($checkitem eq 'id') {
8057: $text{'items'} = 'IDs';
8058: $text{'item'} = 'ID';
8059: $text{'action'} = 'an ID';
8060: if ($count > 1) {
8061: $text{'item'} = 'IDs';
8062: $text{'action'} = 'IDs';
8063: }
8064: }
8065: $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 />';
8066: if ($mode eq 'upload') {
8067: if ($checkitem eq 'username') {
8068: $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'}.");
8069: } elsif ($checkitem eq 'id') {
8070: $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.");
8071: }
8072: } elsif ($mode eq 'selfcreate') {
8073: if ($checkitem eq 'id') {
8074: $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.");
8075: }
8076: } else {
8077: if ($checkitem eq 'username') {
8078: $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
8079: } elsif ($checkitem eq 'id') {
8080: $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.");
8081: }
8082: }
8083: return $response;
8084: }
8085:
8086: sub personal_data_fieldtitles {
8087: my %fieldtitles = &Apache::lonlocal::texthash (
8088: id => 'Student/Employee ID',
8089: permanentemail => 'E-mail address',
8090: lastname => 'Last Name',
8091: firstname => 'First Name',
8092: middlename => 'Middle Name',
8093: generation => 'Generation',
8094: gen => 'Generation',
8095: inststatus => 'Affiliation',
8096: );
8097: return %fieldtitles;
8098: }
8099:
8100: sub sorted_inst_types {
8101: my ($dom) = @_;
8102: my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
8103: my $othertitle = &mt('All users');
8104: if ($env{'request.course.id'}) {
8105: $othertitle = &mt('Any users');
8106: }
8107: my @types;
8108: if (ref($order) eq 'ARRAY') {
8109: @types = @{$order};
8110: }
8111: if (@types == 0) {
8112: if (ref($usertypes) eq 'HASH') {
8113: @types = sort(keys(%{$usertypes}));
8114: }
8115: }
8116: if (keys(%{$usertypes}) > 0) {
8117: $othertitle = &mt('Other users');
8118: }
8119: return ($othertitle,$usertypes,\@types);
8120: }
8121:
8122: sub get_institutional_codes {
8123: my ($settings,$allcourses,$LC_code) = @_;
8124: # Get complete list of course sections to update
8125: my @currsections = ();
8126: my @currxlists = ();
8127: my $coursecode = $$settings{'internal.coursecode'};
8128:
8129: if ($$settings{'internal.sectionnums'} ne '') {
8130: @currsections = split(/,/,$$settings{'internal.sectionnums'});
8131: }
8132:
8133: if ($$settings{'internal.crosslistings'} ne '') {
8134: @currxlists = split(/,/,$$settings{'internal.crosslistings'});
8135: }
8136:
8137: if (@currxlists > 0) {
8138: foreach (@currxlists) {
8139: if (m/^([^:]+):(\w*)$/) {
8140: unless (grep/^$1$/,@{$allcourses}) {
8141: push @{$allcourses},$1;
8142: $$LC_code{$1} = $2;
8143: }
8144: }
8145: }
8146: }
8147:
8148: if (@currsections > 0) {
8149: foreach (@currsections) {
8150: if (m/^(\w+):(\w*)$/) {
8151: my $sec = $coursecode.$1;
8152: my $lc_sec = $2;
8153: unless (grep/^$sec$/,@{$allcourses}) {
8154: push @{$allcourses},$sec;
8155: $$LC_code{$sec} = $lc_sec;
8156: }
8157: }
8158: }
8159: }
8160: return;
8161: }
8162:
8163: sub get_standard_codeitems {
8164: return ('Year','Semester','Department','Number','Section');
8165: }
8166:
8167: =pod
8168:
8169: =head1 Slot Helpers
8170:
8171: =over 4
8172:
8173: =item * sorted_slots()
8174:
8175: Sorts an array of slot names in order of slot start time (earliest first).
8176:
8177: Inputs:
8178:
8179: =over 4
8180:
8181: slotsarr - Reference to array of unsorted slot names.
8182:
8183: slots - Reference to hash of hash, where outer hash keys are slot names.
8184:
8185: =back
8186:
8187: Returns:
8188:
8189: =over 4
8190:
8191: sorted - An array of slot names sorted by the start time of the slot.
8192:
8193: =back
8194:
8195: =back
8196:
8197: =cut
8198:
8199:
8200: sub sorted_slots {
8201: my ($slotsarr,$slots) = @_;
8202: my @sorted;
8203: if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
8204: @sorted =
8205: sort {
8206: if (ref($slots->{$a}) && ref($slots->{$b})) {
8207: return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
8208: }
8209: if (ref($slots->{$a})) { return -1;}
8210: if (ref($slots->{$b})) { return 1;}
8211: return 0;
8212: } @{$slotsarr};
8213: }
8214: return @sorted;
8215: }
8216:
8217:
8218: =pod
8219:
8220: =head1 HTTP Helpers
8221:
8222: =over 4
8223:
8224: =item * &get_unprocessed_cgi($query,$possible_names)
8225:
8226: Modify the %env hash to contain unprocessed CGI form parameters held in
8227: $query. The parameters listed in $possible_names (an array reference),
8228: will be set in $env{'form.name'} if they do not already exist.
8229:
8230: Typically called with $ENV{'QUERY_STRING'} as the first parameter.
8231: $possible_names is an ref to an array of form element names. As an example:
8232: get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
8233: will result in $env{'form.uname'} and $env{'form.udom'} being set.
8234:
8235: =cut
8236:
8237: sub get_unprocessed_cgi {
8238: my ($query,$possible_names)= @_;
8239: # $Apache::lonxml::debug=1;
8240: foreach my $pair (split(/&/,$query)) {
8241: my ($name, $value) = split(/=/,$pair);
8242: $name = &unescape($name);
8243: if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
8244: $value =~ tr/+/ /;
8245: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
8246: unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
8247: }
8248: }
8249: }
8250:
8251: =pod
8252:
8253: =item * &cacheheader()
8254:
8255: returns cache-controlling header code
8256:
8257: =cut
8258:
8259: sub cacheheader {
8260: unless ($env{'request.method'} eq 'GET') { return ''; }
8261: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
8262: my $output .='<meta HTTP-EQUIV="Expires" CONTENT="'.$date.'" />
8263: <meta HTTP-EQUIV="Cache-control" CONTENT="no-cache" />
8264: <meta HTTP-EQUIV="Pragma" CONTENT="no-cache" />';
8265: return $output;
8266: }
8267:
8268: =pod
8269:
8270: =item * &no_cache($r)
8271:
8272: specifies header code to not have cache
8273:
8274: =cut
8275:
8276: sub no_cache {
8277: my ($r) = @_;
8278: if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
8279: $env{'request.method'} ne 'GET') { return ''; }
8280: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
8281: $r->no_cache(1);
8282: $r->header_out("Expires" => $date);
8283: $r->header_out("Pragma" => "no-cache");
8284: }
8285:
8286: sub content_type {
8287: my ($r,$type,$charset) = @_;
8288: if ($r) {
8289: # Note that printout.pl calls this with undef for $r.
8290: &no_cache($r);
8291: }
8292: if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
8293: unless ($charset) {
8294: $charset=&Apache::lonlocal::current_encoding;
8295: }
8296: if ($charset) { $type.='; charset='.$charset; }
8297: if ($r) {
8298: $r->content_type($type);
8299: } else {
8300: print("Content-type: $type\n\n");
8301: }
8302: }
8303:
8304: =pod
8305:
8306: =item * &add_to_env($name,$value)
8307:
8308: adds $name to the %env hash with value
8309: $value, if $name already exists, the entry is converted to an array
8310: reference and $value is added to the array.
8311:
8312: =cut
8313:
8314: sub add_to_env {
8315: my ($name,$value)=@_;
8316: if (defined($env{$name})) {
8317: if (ref($env{$name})) {
8318: #already have multiple values
8319: push(@{ $env{$name} },$value);
8320: } else {
8321: #first time seeing multiple values, convert hash entry to an arrayref
8322: my $first=$env{$name};
8323: undef($env{$name});
8324: push(@{ $env{$name} },$first,$value);
8325: }
8326: } else {
8327: $env{$name}=$value;
8328: }
8329: }
8330:
8331: =pod
8332:
8333: =item * &get_env_multiple($name)
8334:
8335: gets $name from the %env hash, it seemlessly handles the cases where multiple
8336: values may be defined and end up as an array ref.
8337:
8338: returns an array of values
8339:
8340: =cut
8341:
8342: sub get_env_multiple {
8343: my ($name) = @_;
8344: my @values;
8345: if (defined($env{$name})) {
8346: # exists is it an array
8347: if (ref($env{$name})) {
8348: @values=@{ $env{$name} };
8349: } else {
8350: $values[0]=$env{$name};
8351: }
8352: }
8353: return(@values);
8354: }
8355:
8356: sub ask_for_embedded_content {
8357: my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
8358: my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges);
8359: my $num = 0;
8360: my $numremref = 0;
8361: my $numinvalid = 0;
8362: my $numpathchg = 0;
8363: my $numexisting = 0;
8364: my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath);
8365: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
8366: my $current_path='/';
8367: if ($env{'form.currentpath'}) {
8368: $current_path = $env{'form.currentpath'};
8369: }
8370: if ($actionurl eq '/adm/coursegrp_portfolio') {
8371: $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8372: $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
8373: $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
8374: } else {
8375: $udom = $env{'user.domain'};
8376: $uname = $env{'user.name'};
8377: $url = '/userfiles/portfolio';
8378: }
8379: $toplevel = $url.'/';
8380: $url .= $current_path;
8381: $getpropath = 1;
8382: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
8383: ($actionurl eq '/adm/imsimport')) {
8384: ($uname,my $rest) = ($args->{'current_path'} =~ m{/priv/($match_username)/?(.*)$});
8385: $url = '/home/'.$uname.'/public_html/';
8386: $toplevel = $url;
8387: if ($rest ne '') {
8388: $url .= $rest;
8389: }
8390: } elsif ($actionurl eq '/adm/coursedocs') {
8391: if (ref($args) eq 'HASH') {
8392: $url = $args->{'docs_url'};
8393: $toplevel = $url;
8394: }
8395: }
8396: my $now = time();
8397: foreach my $embed_file (keys(%{$allfiles})) {
8398: my $absolutepath;
8399: if ($embed_file =~ m{^\w+://}) {
8400: $newfiles{$embed_file} = 1;
8401: $mapping{$embed_file} = $embed_file;
8402: } else {
8403: if ($embed_file =~ m{^/}) {
8404: $absolutepath = $embed_file;
8405: $embed_file =~ s{^(/+)}{};
8406: }
8407: if ($embed_file =~ m{/}) {
8408: my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
8409: $path = &check_for_traversal($path,$url,$toplevel);
8410: my $item = $fname;
8411: if ($path ne '') {
8412: $item = $path.'/'.$fname;
8413: $subdependencies{$path}{$fname} = 1;
8414: } else {
8415: $dependencies{$item} = 1;
8416: }
8417: if ($absolutepath) {
8418: $mapping{$item} = $absolutepath;
8419: } else {
8420: $mapping{$item} = $embed_file;
8421: }
8422: } else {
8423: $dependencies{$embed_file} = 1;
8424: if ($absolutepath) {
8425: $mapping{$embed_file} = $absolutepath;
8426: } else {
8427: $mapping{$embed_file} = $embed_file;
8428: }
8429: }
8430: }
8431: }
8432: foreach my $path (keys(%subdependencies)) {
8433: my %currsubfile;
8434: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
8435: my @subdir_list = &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
8436: foreach my $line (@subdir_list) {
8437: my ($file_name,$rest) = split(/\&/,$line,2);
8438: $currsubfile{$file_name} = 1;
8439: }
8440: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
8441: if (opendir(my $dir,$url.'/'.$path)) {
8442: my @subdir_list = grep(!/^\./,readdir($dir));
8443: map {$currsubfile{$_} = 1;} @subdir_list;
8444: }
8445: }
8446: foreach my $file (keys(%{$subdependencies{$path}})) {
8447: if ($currsubfile{$file}) {
8448: my $item = $path.'/'.$file;
8449: unless ($mapping{$item} eq $item) {
8450: $pathchanges{$item} = 1;
8451: }
8452: $existing{$item} = 1;
8453: $numexisting ++;
8454: } else {
8455: $newfiles{$path.'/'.$file} = 1;
8456: }
8457: }
8458: }
8459: my %currfile;
8460: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
8461: my @dir_list = &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
8462: foreach my $line (@dir_list) {
8463: my ($file_name,$rest) = split(/\&/,$line,2);
8464: $currfile{$file_name} = 1;
8465: }
8466: } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
8467: if (opendir(my $dir,$url)) {
8468: my @dir_list = grep(!/^\./,readdir($dir));
8469: map {$currfile{$_} = 1;} @dir_list;
8470: }
8471: }
8472: foreach my $file (keys(%dependencies)) {
8473: if ($currfile{$file}) {
8474: unless ($mapping{$file} eq $file) {
8475: $pathchanges{$file} = 1;
8476: }
8477: $existing{$file} = 1;
8478: $numexisting ++;
8479: } else {
8480: $newfiles{$file} = 1;
8481: }
8482: }
8483: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
8484: $upload_output .= &start_data_table_row().
8485: '<td><span class="LC_filename">'.$embed_file.'</span>';
8486: unless ($mapping{$embed_file} eq $embed_file) {
8487: $upload_output .= '<br /><span class="LC_info" style="font-size:smaller;">'.&mt('changed from: [_1]',$mapping{$embed_file}).'</span>';
8488: }
8489: $upload_output .= '</td><td>';
8490: if ($args->{'ignore_remote_references'}
8491: && $embed_file =~ m{^\w+://}) {
8492: $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
8493: $numremref++;
8494: } elsif ($args->{'error_on_invalid_names'}
8495: && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
8496:
8497: $upload_output.='<span class="LC_warning">'.&mt('Invalid characters').'</span>';
8498: $numinvalid++;
8499: } else {
8500: $upload_output .= &embedded_file_element('upload_embedded',$num,
8501: $embed_file,\%mapping,
8502: $allfiles,$codebase);
8503: $num++;
8504: }
8505: $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row()."\n";
8506: }
8507: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
8508: $upload_output .= &start_data_table_row().
8509: '<td><span class="LC_filename">'.$embed_file.'</span></td>'.
8510: '<td><span class="LC_warning">'.&mt('Already exists').'</span></td>'.
8511: &Apache::loncommon::end_data_table_row()."\n";
8512: }
8513: if ($upload_output) {
8514: $upload_output = &start_data_table().
8515: $upload_output.
8516: &end_data_table()."\n";
8517: }
8518: my $applies = 0;
8519: if ($numremref) {
8520: $applies ++;
8521: }
8522: if ($numinvalid) {
8523: $applies ++;
8524: }
8525: if ($numexisting) {
8526: $applies ++;
8527: }
8528: if ($num) {
8529: $output = '<form name="upload_embedded" action="'.$actionurl.'"'.
8530: ' method="post" enctype="multipart/form-data">'."\n".
8531: $state.
8532: '<h3>'.&mt('Upload embedded files').
8533: ':</h3>'.$upload_output.'<br />'."\n".
8534: '<input type ="hidden" name="number_embedded_items" value="'.
8535: $num.'" />'."\n";
8536: if ($actionurl eq '') {
8537: $output .= '<input type="hidden" name="phase" value="three" />';
8538: }
8539: } elsif ($applies) {
8540: $output = '<b>'.&mt('Referenced files').'</b>:<br />';
8541: if ($applies > 1) {
8542: $output .=
8543: &mt('No files need to be uploaded, as one of the following applies to each reference:').'<ul>';
8544: if ($numremref) {
8545: $output .= '<li>'.&mt('reference is to a URL which points to another server').'</li>'."\n";
8546: }
8547: if ($numinvalid) {
8548: $output .= '<li>'.&mt('reference is to file with a name containing invalid characters').'</li>'."\n";
8549: }
8550: if ($numexisting) {
8551: $output .= '<li>'.&mt('reference is to an existing file at the specified location').'</li>'."\n";
8552: }
8553: $output .= '</ul><br />';
8554: } elsif ($numremref) {
8555: $output .= '<p>'.&mt('None to upload, as all references are to URLs pointing to another server.').'</p>';
8556: } elsif ($numinvalid) {
8557: $output .= '<p>'.&mt('None to upload, as all references are to files with names containing invalid characters.').'</p>';
8558: } elsif ($numexisting) {
8559: $output .= '<p>'.&mt('None to upload, as all references are to existing files.').'</p>';
8560: }
8561: $output .= $upload_output.'<br />';
8562: }
8563: my ($pathchange_output,$chgcount);
8564: $chgcount = $num;
8565: if (keys(%pathchanges) > 0) {
8566: foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%pathchanges)) {
8567: if ($num) {
8568: $output .= &embedded_file_element('pathchange',$chgcount,
8569: $embed_file,\%mapping,
8570: $allfiles,$codebase);
8571: } else {
8572: $pathchange_output .=
8573: &start_data_table_row().
8574: '<td><input type ="checkbox" name="namechange" value="'.
8575: $chgcount.'" checked="checked" /></td>'.
8576: '<td>'.$mapping{$embed_file}.'</td>'.
8577: '<td>'.$embed_file.
8578: &embedded_file_element('pathchange',$numpathchg,$embed_file,
8579: \%mapping,$allfiles,$codebase).
8580: '</td>'.&end_data_table_row();
8581: }
8582: $numpathchg ++;
8583: $chgcount ++;
8584: }
8585: }
8586: if ($num) {
8587: if ($numpathchg) {
8588: $output .= '<input type ="hidden" name="number_pathchange_items" value="'.
8589: $numpathchg.'" />'."\n";
8590: }
8591: if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
8592: ($actionurl eq '/adm/imsimport')) {
8593: $output .= '<input type="hidden" name="phase" value="three" />'."\n";
8594: } elsif ($actionurl eq '/adm/portfolio' || $actionurl eq '/adm/coursegrp_portfolio') {
8595: $output .= '<input type="hidden" name="action" value="upload_embedded" />';
8596: }
8597: $output .= '<input type ="submit" value="'.&mt('Upload Listed Files').'" />'."\n".
8598: &mt('(only files for which a location has been provided will be uploaded)').'</form>'."\n";
8599: } elsif ($numpathchg) {
8600: my %pathchange = ();
8601: $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
8602: if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
8603: $output .= '<p>'.&mt('or').'</p>';
8604: }
8605: }
8606: return ($output,$num,$numpathchg);
8607: }
8608:
8609: sub embedded_file_element {
8610: my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_;
8611: return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
8612: (ref($codebase) eq 'HASH'));
8613: my $output;
8614: if ($context eq 'upload_embedded') {
8615: $output = '<input name="embedded_item_'.$num.'" type="file" value="" />'."\n";
8616: }
8617: $output .= '<input name="embedded_orig_'.$num.'" type="hidden" value="'.
8618: &escape($embed_file).'" />';
8619: unless (($context eq 'upload_embedded') &&
8620: ($mapping->{$embed_file} eq $embed_file)) {
8621: $output .='
8622: <input name="embedded_ref_'.$num.'" type="hidden" value="'.&escape($mapping->{$embed_file}).'" />';
8623: }
8624: my $attrib;
8625: if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
8626: $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
8627: }
8628: $output .=
8629: "\n\t\t".
8630: '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
8631: $attrib.'" />';
8632: if (exists($codebase->{$mapping->{$embed_file}})) {
8633: $output .=
8634: "\n\t\t".
8635: '<input name="codebase_'.$num.'" type="hidden" value="'.
8636: &escape($codebase->{$mapping->{$embed_file}}).'" />';
8637: }
8638: return $output;
8639: }
8640:
8641: sub upload_embedded {
8642: my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
8643: $current_disk_usage,$hiddenstate,$actionurl) = @_;
8644: my (%pathchange,$output,$modifyform,$footer,$returnflag);
8645: for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
8646: next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
8647: my $orig_uploaded_filename =
8648: $env{'form.embedded_item_'.$i.'.filename'};
8649: foreach my $type ('orig','ref','attrib','codebase') {
8650: if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
8651: $env{'form.embedded_'.$type.'_'.$i} =
8652: &unescape($env{'form.embedded_'.$type.'_'.$i});
8653: }
8654: }
8655: my ($path,$fname) =
8656: ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
8657: # no path, whole string is fname
8658: if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
8659: $fname = &Apache::lonnet::clean_filename($fname);
8660: # See if there is anything left
8661: next if ($fname eq '');
8662:
8663: # Check if file already exists as a file or directory.
8664: my ($state,$msg);
8665: if ($context eq 'portfolio') {
8666: my $port_path = $dirpath;
8667: if ($group ne '') {
8668: $port_path = "groups/$group/$port_path";
8669: }
8670: ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
8671: $fname,$group,'embedded_item_'.$i,
8672: $dir_root,$port_path,$disk_quota,
8673: $current_disk_usage,$uname,$udom);
8674: if ($state eq 'will_exceed_quota'
8675: || $state eq 'file_locked') {
8676: $output .= $msg;
8677: next;
8678: }
8679: } elsif (($context eq 'author') || ($context eq 'testbank')) {
8680: ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
8681: if ($state eq 'exists') {
8682: $output .= $msg;
8683: next;
8684: }
8685: }
8686: # Check if extension is valid
8687: if (($fname =~ /\.(\w+)$/) &&
8688: (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
8689: $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).'<br />';
8690: next;
8691: } elsif (($fname =~ /\.(\w+)$/) &&
8692: (!defined(&Apache::loncommon::fileembstyle($1)))) {
8693: $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
8694: next;
8695: } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
8696: $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
8697: next;
8698: }
8699:
8700: $env{'form.embedded_item_'.$i.'.filename'}=$fname;
8701: if ($context eq 'portfolio') {
8702: my $result;
8703: if ($state eq 'existingfile') {
8704: $result=
8705: &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
8706: $dirpath.$env{'form.currentpath'}.$path);
8707: } else {
8708: $result=
8709: &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
8710: $dirpath.
8711: $env{'form.currentpath'}.$path);
8712: if ($result !~ m|^/uploaded/|) {
8713: $output .= '<span class="LC_error">'
8714: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
8715: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
8716: .'</span><br />';
8717: next;
8718: } else {
8719: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
8720: $path.$fname.'</span>').'<br />';
8721: }
8722: }
8723: } elsif ($context eq 'coursedoc') {
8724: my $result =
8725: &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
8726: $dirpath.'/'.$path);
8727: if ($result !~ m|^/uploaded/|) {
8728: $output .= '<span class="LC_error">'
8729: .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
8730: ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
8731: .'</span><br />';
8732: next;
8733: } else {
8734: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
8735: $path.$fname.'</span>').'<br />';
8736: }
8737: } else {
8738: # Save the file
8739: my $target = $env{'form.embedded_item_'.$i};
8740: my $fullpath = $dir_root.$dirpath.'/'.$path;
8741: my $dest = $fullpath.$fname;
8742: my $url = $url_root.$dirpath.'/'.$path.$fname;
8743: my @parts=split(/\//,$fullpath);
8744: my $count;
8745: my $filepath = $dir_root;
8746: for ($count=4;$count<=$#parts;$count++) {
8747: $filepath .= "/$parts[$count]";
8748: if ((-e $filepath)!=1) {
8749: mkdir($filepath,0770);
8750: }
8751: }
8752: my $fh;
8753: if (!open($fh,'>'.$dest)) {
8754: &Apache::lonnet::logthis('Failed to create '.$dest);
8755: $output .= '<span class="LC_error">'.
8756: &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
8757: '</span><br />';
8758: } else {
8759: if (!print $fh $env{'form.embedded_item_'.$i}) {
8760: &Apache::lonnet::logthis('Failed to write to '.$dest);
8761: $output .= '<span class="LC_error">'.
8762: &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
8763: '</span><br />';
8764: } else {
8765: $output .= &mt('Uploaded [_1]','<span class="LC_filename">'.
8766: $url.'</span>').'<br />';
8767: unless ($context eq 'testbank') {
8768: $footer .= &mt('View embedded file: [_1]',
8769: '<a href="'.$url.'">'.$fname.'</a>').'<br />';
8770: }
8771: }
8772: close($fh);
8773: }
8774: }
8775: if ($env{'form.embedded_ref_'.$i}) {
8776: $pathchange{$i} = 1;
8777: }
8778: }
8779: if ($output) {
8780: $output = '<p>'.$output.'</p>';
8781: }
8782: $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
8783: $returnflag = 'ok';
8784: if (keys(%pathchange) > 0) {
8785: if ($context eq 'portfolio') {
8786: $output .= '<p>'.&mt('or').'</p>';
8787: } elsif ($context eq 'testbank') {
8788: $output .= '<p>'.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).','<a href="javascript:document.testbankForm.submit();">','</a>').'</p>';
8789: $returnflag = 'modify_orightml';
8790: }
8791: }
8792: return ($output.$footer,$returnflag);
8793: }
8794:
8795: sub modify_html_form {
8796: my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
8797: my $end = 0;
8798: my $modifyform;
8799: if ($context eq 'upload_embedded') {
8800: return unless (ref($pathchange) eq 'HASH');
8801: if ($env{'form.number_embedded_items'}) {
8802: $end += $env{'form.number_embedded_items'};
8803: }
8804: if ($env{'form.number_pathchange_items'}) {
8805: $end += $env{'form.number_pathchange_items'};
8806: }
8807: if ($end) {
8808: for (my $i=0; $i<$end; $i++) {
8809: if ($i < $env{'form.number_embedded_items'}) {
8810: next unless($pathchange->{$i});
8811: }
8812: $modifyform .=
8813: &start_data_table_row().
8814: '<td><input type ="checkbox" name="namechange" value="'.$i.'" '.
8815: 'checked="checked" /></td>'.
8816: '<td>'.$env{'form.embedded_ref_'.$i}.
8817: '<input type="hidden" name="embedded_ref_'.$i.'" value="'.
8818: &escape($env{'form.embedded_ref_'.$i}).'" />'.
8819: '<input type="hidden" name="embedded_codebase_'.$i.'" value="'.
8820: &escape($env{'form.embedded_codebase_'.$i}).'" />'.
8821: '<input type="hidden" name="embedded_attrib_'.$i.'" value="'.
8822: &escape($env{'form.embedded_attrib_'.$i}).'" /></td>'.
8823: '<td>'.$env{'form.embedded_orig_'.$i}.
8824: '<input type="hidden" name="embedded_orig_'.$i.'" value="'.
8825: &escape($env{'form.embedded_orig_'.$i}).'" /></td>'.
8826: &end_data_table_row();
8827: }
8828: }
8829: } else {
8830: $modifyform = $pathchgtable;
8831: if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
8832: $hiddenstate .= '<input type="hidden" name="phase" value="four" />';
8833: } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
8834: $hiddenstate .= '<input type="hidden" name="action" value="modify_orightml" />';
8835: }
8836: }
8837: if ($modifyform) {
8838: return '<h3>'.&mt('Changes in content of HTML file required').'</h3>'."\n".
8839: '<p>'.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'<ol>'."\n".
8840: '<li>'.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'</li>'."\n".
8841: '<li>'.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'</li>'."\n".
8842: '</ol></p>'."\n".'<p>'.
8843: &mt('LON-CAPA can make the required changes to your HTML file.').'</p>'."\n".
8844: '<form method="post" name="refchanger" action="'.$actionurl.'">'.
8845: &start_data_table()."\n".
8846: &start_data_table_header_row().
8847: '<th>'.&mt('Change?').'</th>'.
8848: '<th>'.&mt('Current reference').'</th>'.
8849: '<th>'.&mt('Required reference').'</th>'.
8850: &end_data_table_header_row()."\n".
8851: $modifyform.
8852: &end_data_table().'<br />'."\n".$hiddenstate.
8853: '<input type="submit" name="pathchanges" value="'.&mt('Modify HTML file').'" />'.
8854: '</form>'."\n";
8855: }
8856: return;
8857: }
8858:
8859: sub modify_html_refs {
8860: my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
8861: my $container;
8862: if ($context eq 'portfolio') {
8863: $container = $env{'form.container'};
8864: } elsif ($context eq 'coursedoc') {
8865: $container = $env{'form.primaryurl'};
8866: } else {
8867: $container = $env{'form.filename'};
8868: $container =~ s{^/priv/(\Q$uname\E)/(.*)}{/home/$1/public_html/$2};
8869: }
8870: my (%allfiles,%codebase,$output,$content);
8871: my @changes = &get_env_multiple('form.namechange');
8872: return unless (@changes > 0);
8873: if (($context eq 'portfolio') || ($context eq 'coursedoc')) {
8874: return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/});
8875: $content = &Apache::lonnet::getfile($container);
8876: return if ($content eq '-1');
8877: } else {
8878: return unless ($container =~ /^\Q$dir_root\E/);
8879: if (open(my $fh,"<$container")) {
8880: $content = join('', <$fh>);
8881: close($fh);
8882: } else {
8883: return;
8884: }
8885: }
8886: my ($count,$codebasecount) = (0,0);
8887: my $mm = new File::MMagic;
8888: my $mime_type = $mm->checktype_contents($content);
8889: if ($mime_type eq 'text/html') {
8890: my $parse_result =
8891: &Apache::lonnet::extract_embedded_items($container,\%allfiles,
8892: \%codebase,\$content);
8893: if ($parse_result eq 'ok') {
8894: foreach my $i (@changes) {
8895: my $orig = &unescape($env{'form.embedded_orig_'.$i});
8896: my $ref = &unescape($env{'form.embedded_ref_'.$i});
8897: if ($allfiles{$ref}) {
8898: my $newname = $orig;
8899: my ($attrib_regexp,$codebase);
8900: my $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
8901: if ($attrib_regexp =~ /:/) {
8902: $attrib_regexp =~ s/\:/|/g;
8903: }
8904: if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
8905: my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
8906: $count += $numchg;
8907: }
8908: if ($env{'form.embedded_codebase_'.$i} ne '') {
8909: my $codebase = &unescape($env{'form.embedded_codebase_'.$i});
8910: my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
8911: $codebasecount ++;
8912: }
8913: }
8914: }
8915: if ($count || $codebasecount) {
8916: my $saveresult;
8917: if ($context eq 'portfolio' || $context eq 'coursedoc') {
8918: my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
8919: if ($url eq $container) {
8920: my ($fname) = ($container =~ m{/([^/]+)$});
8921: $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
8922: $count,'<span class="LC_filename">'.
8923: $fname.'</span>').'</p>';
8924: } else {
8925: $output = '<p class="LC_error">'.
8926: &mt('Error: update failed for: [_1].',
8927: '<span class="LC_filename">'.
8928: $container.'</span>').'</p>';
8929: }
8930: } else {
8931: if (open(my $fh,">$container")) {
8932: print $fh $content;
8933: close($fh);
8934: $output = '<p>'.&mt('Updated [quant,_1,reference] in [_2].',
8935: $count,'<span class="LC_filename">'.
8936: $container.'</span>').'</p>';
8937: } else {
8938: $output = '<p class="LC_error">'.
8939: &mt('Error: could not update [_1].',
8940: '<span class="LC_filename">'.
8941: $container.'</span>').'</p>';
8942: }
8943: }
8944: }
8945: } else {
8946: &logthis('Failed to parse '.$container.
8947: ' to modify references: '.$parse_result);
8948: }
8949: }
8950: return $output;
8951: }
8952:
8953: sub check_for_existing {
8954: my ($path,$fname,$element) = @_;
8955: my ($state,$msg);
8956: if (-d $path.'/'.$fname) {
8957: $state = 'exists';
8958: $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
8959: } elsif (-e $path.'/'.$fname) {
8960: $state = 'exists';
8961: $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
8962: }
8963: if ($state eq 'exists') {
8964: $msg = '<span class="LC_error">'.$msg.'</span><br />';
8965: }
8966: return ($state,$msg);
8967: }
8968:
8969: sub check_for_upload {
8970: my ($path,$fname,$group,$element,$portfolio_root,$port_path,
8971: $disk_quota,$current_disk_usage,$uname,$udom) = @_;
8972: my $filesize = length($env{'form.'.$element});
8973: if (!$filesize) {
8974: my $msg = '<span class="LC_error">'.
8975: &mt('Unable to upload [_1]. (size = [_2] bytes)',
8976: '<span class="LC_filename">'.$fname.'</span>',
8977: $filesize).'<br />'.
8978: &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'<br />';
8979: '</span>';
8980: return ('zero_bytes',$msg);
8981: }
8982: $filesize = $filesize/1000; #express in k (1024?)
8983: my $getpropath = 1;
8984: my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
8985: $getpropath);
8986: my $found_file = 0;
8987: my $locked_file = 0;
8988: my @lockers;
8989: my $navmap;
8990: if ($env{'request.course.id'}) {
8991: $navmap = Apache::lonnavmaps::navmap->new();
8992: }
8993: foreach my $line (@dir_list) {
8994: my ($file_name,$rest)=split(/\&/,$line,2);
8995: if ($file_name eq $fname){
8996: $file_name = $path.$file_name;
8997: if ($group ne '') {
8998: $file_name = $group.$file_name;
8999: }
9000: $found_file = 1;
9001: if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
9002: foreach my $lock (@lockers) {
9003: if (ref($lock) eq 'ARRAY') {
9004: my ($symb,$crsid) = @{$lock};
9005: if ($crsid eq $env{'request.course.id'}) {
9006: if (ref($navmap)) {
9007: my $res = $navmap->getBySymb($symb);
9008: foreach my $part (@{$res->parts()}) {
9009: my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
9010: unless (($slot_status == $res->RESERVED) ||
9011: ($slot_status == $res->RESERVED_LOCATION)) {
9012: $locked_file = 1;
9013: }
9014: }
9015: } else {
9016: $locked_file = 1;
9017: }
9018: } else {
9019: $locked_file = 1;
9020: }
9021: }
9022: }
9023: } else {
9024: my @info = split(/\&/,$rest);
9025: my $currsize = $info[6]/1000;
9026: if ($currsize < $filesize) {
9027: my $extra = $filesize - $currsize;
9028: if (($current_disk_usage + $extra) > $disk_quota) {
9029: my $msg = '<span class="LC_error">'.
9030: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
9031: '<span class="LC_filename">'.$fname.'</span>',$filesize,$currsize).'</span>'.
9032: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
9033: $disk_quota,$current_disk_usage);
9034: return ('will_exceed_quota',$msg);
9035: }
9036: }
9037: }
9038: }
9039: }
9040: if (($current_disk_usage + $filesize) > $disk_quota){
9041: my $msg = '<span class="LC_error">'.
9042: &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
9043: '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
9044: return ('will_exceed_quota',$msg);
9045: } elsif ($found_file) {
9046: if ($locked_file) {
9047: my $msg = '<span class="LC_error">';
9048: $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
9049: $msg .= '</span><br />';
9050: $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
9051: return ('file_locked',$msg);
9052: } else {
9053: my $msg = '<span class="LC_error">';
9054: $msg .= &mt(' A file by that name: [_1] was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
9055: $msg .= '</span>';
9056: return ('existingfile',$msg);
9057: }
9058: }
9059: }
9060:
9061: sub check_for_traversal {
9062: my ($path,$url,$toplevel) = @_;
9063: my @parts=split(/\//,$path);
9064: my $cleanpath;
9065: my $fullpath = $url;
9066: for (my $i=0;$i<@parts;$i++) {
9067: next if ($parts[$i] eq '.');
9068: if ($parts[$i] eq '..') {
9069: $fullpath =~ s{([^/]+/)$}{};
9070: } else {
9071: $fullpath .= $parts[$i].'/';
9072: }
9073: }
9074: if ($fullpath =~ /^\Q$url\E(.*)$/) {
9075: $cleanpath = $1;
9076: } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
9077: my $curr_toprel = $1;
9078: my @parts = split(/\//,$curr_toprel);
9079: my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
9080: my @urlparts = split(/\//,$url_toprel);
9081: my $doubledots;
9082: my $startdiff = -1;
9083: for (my $i=0; $i<@urlparts; $i++) {
9084: if ($startdiff == -1) {
9085: unless ($urlparts[$i] eq $parts[$i]) {
9086: $startdiff = $i;
9087: $doubledots .= '../';
9088: }
9089: } else {
9090: $doubledots .= '../';
9091: }
9092: }
9093: if ($startdiff > -1) {
9094: $cleanpath = $doubledots;
9095: for (my $i=$startdiff; $i<@parts; $i++) {
9096: $cleanpath .= $parts[$i].'/';
9097: }
9098: }
9099: }
9100: $cleanpath =~ s{(/)$}{};
9101: return $cleanpath;
9102: }
9103:
9104: =pod
9105:
9106: =back
9107:
9108: =head1 CSV Upload/Handling functions
9109:
9110: =over 4
9111:
9112: =item * &upfile_store($r)
9113:
9114: Store uploaded file, $r should be the HTTP Request object,
9115: needs $env{'form.upfile'}
9116: returns $datatoken to be put into hidden field
9117:
9118: =cut
9119:
9120: sub upfile_store {
9121: my $r=shift;
9122: $env{'form.upfile'}=~s/\r/\n/gs;
9123: $env{'form.upfile'}=~s/\f/\n/gs;
9124: $env{'form.upfile'}=~s/\n+/\n/gs;
9125: $env{'form.upfile'}=~s/\n+$//gs;
9126:
9127: my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
9128: '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
9129: {
9130: my $datafile = $r->dir_config('lonDaemons').
9131: '/tmp/'.$datatoken.'.tmp';
9132: if ( open(my $fh,">$datafile") ) {
9133: print $fh $env{'form.upfile'};
9134: close($fh);
9135: }
9136: }
9137: return $datatoken;
9138: }
9139:
9140: =pod
9141:
9142: =item * &load_tmp_file($r)
9143:
9144: Load uploaded file from tmp, $r should be the HTTP Request object,
9145: needs $env{'form.datatoken'},
9146: sets $env{'form.upfile'} to the contents of the file
9147:
9148: =cut
9149:
9150: sub load_tmp_file {
9151: my $r=shift;
9152: my @studentdata=();
9153: {
9154: my $studentfile = $r->dir_config('lonDaemons').
9155: '/tmp/'.$env{'form.datatoken'}.'.tmp';
9156: if ( open(my $fh,"<$studentfile") ) {
9157: @studentdata=<$fh>;
9158: close($fh);
9159: }
9160: }
9161: $env{'form.upfile'}=join('',@studentdata);
9162: }
9163:
9164: =pod
9165:
9166: =item * &upfile_record_sep()
9167:
9168: Separate uploaded file into records
9169: returns array of records,
9170: needs $env{'form.upfile'} and $env{'form.upfiletype'}
9171:
9172: =cut
9173:
9174: sub upfile_record_sep {
9175: if ($env{'form.upfiletype'} eq 'xml') {
9176: } else {
9177: my @records;
9178: foreach my $line (split(/\n/,$env{'form.upfile'})) {
9179: if ($line=~/^\s*$/) { next; }
9180: push(@records,$line);
9181: }
9182: return @records;
9183: }
9184: }
9185:
9186: =pod
9187:
9188: =item * &record_sep($record)
9189:
9190: Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
9191:
9192: =cut
9193:
9194: sub takeleft {
9195: my $index=shift;
9196: return substr('0000'.$index,-4,4);
9197: }
9198:
9199: sub record_sep {
9200: my $record=shift;
9201: my %components=();
9202: if ($env{'form.upfiletype'} eq 'xml') {
9203: } elsif ($env{'form.upfiletype'} eq 'space') {
9204: my $i=0;
9205: foreach my $field (split(/\s+/,$record)) {
9206: $field=~s/^(\"|\')//;
9207: $field=~s/(\"|\')$//;
9208: $components{&takeleft($i)}=$field;
9209: $i++;
9210: }
9211: } elsif ($env{'form.upfiletype'} eq 'tab') {
9212: my $i=0;
9213: foreach my $field (split(/\t/,$record)) {
9214: $field=~s/^(\"|\')//;
9215: $field=~s/(\"|\')$//;
9216: $components{&takeleft($i)}=$field;
9217: $i++;
9218: }
9219: } else {
9220: my $separator=',';
9221: if ($env{'form.upfiletype'} eq 'semisv') {
9222: $separator=';';
9223: }
9224: my $i=0;
9225: # the character we are looking for to indicate the end of a quote or a record
9226: my $looking_for=$separator;
9227: # do not add the characters to the fields
9228: my $ignore=0;
9229: # we just encountered a separator (or the beginning of the record)
9230: my $just_found_separator=1;
9231: # store the field we are working on here
9232: my $field='';
9233: # work our way through all characters in record
9234: foreach my $character ($record=~/(.)/g) {
9235: if ($character eq $looking_for) {
9236: if ($character ne $separator) {
9237: # Found the end of a quote, again looking for separator
9238: $looking_for=$separator;
9239: $ignore=1;
9240: } else {
9241: # Found a separator, store away what we got
9242: $components{&takeleft($i)}=$field;
9243: $i++;
9244: $just_found_separator=1;
9245: $ignore=0;
9246: $field='';
9247: }
9248: next;
9249: }
9250: # single or double quotation marks after a separator indicate beginning of a quote
9251: # we are now looking for the end of the quote and need to ignore separators
9252: if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
9253: $looking_for=$character;
9254: next;
9255: }
9256: # ignore would be true after we reached the end of a quote
9257: if ($ignore) { next; }
9258: if (($just_found_separator) && ($character=~/\s/)) { next; }
9259: $field.=$character;
9260: $just_found_separator=0;
9261: }
9262: # catch the very last entry, since we never encountered the separator
9263: $components{&takeleft($i)}=$field;
9264: }
9265: return %components;
9266: }
9267:
9268: ######################################################
9269: ######################################################
9270:
9271: =pod
9272:
9273: =item * &upfile_select_html()
9274:
9275: Return HTML code to select a file from the users machine and specify
9276: the file type.
9277:
9278: =cut
9279:
9280: ######################################################
9281: ######################################################
9282: sub upfile_select_html {
9283: my %Types = (
9284: csv => &mt('CSV (comma separated values, spreadsheet)'),
9285: semisv => &mt('Semicolon separated values'),
9286: space => &mt('Space separated'),
9287: tab => &mt('Tabulator separated'),
9288: # xml => &mt('HTML/XML'),
9289: );
9290: my $Str = '<input type="file" name="upfile" size="50" />'.
9291: '<br />'.&mt('Type').': <select name="upfiletype">';
9292: foreach my $type (sort(keys(%Types))) {
9293: $Str .= '<option value="'.$type.'" >'.$Types{$type}."</option>\n";
9294: }
9295: $Str .= "</select>\n";
9296: return $Str;
9297: }
9298:
9299: sub get_samples {
9300: my ($records,$toget) = @_;
9301: my @samples=({});
9302: my $got=0;
9303: foreach my $rec (@$records) {
9304: my %temp = &record_sep($rec);
9305: if (! grep(/\S/, values(%temp))) { next; }
9306: if (%temp) {
9307: $samples[$got]=\%temp;
9308: $got++;
9309: if ($got == $toget) { last; }
9310: }
9311: }
9312: return \@samples;
9313: }
9314:
9315: ######################################################
9316: ######################################################
9317:
9318: =pod
9319:
9320: =item * &csv_print_samples($r,$records)
9321:
9322: Prints a table of sample values from each column uploaded $r is an
9323: Apache Request ref, $records is an arrayref from
9324: &Apache::loncommon::upfile_record_sep
9325:
9326: =cut
9327:
9328: ######################################################
9329: ######################################################
9330: sub csv_print_samples {
9331: my ($r,$records) = @_;
9332: my $samples = &get_samples($records,5);
9333:
9334: $r->print(&mt('Samples').'<br />'.&start_data_table().
9335: &start_data_table_header_row());
9336: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
9337: $r->print('<th>'.&mt('Column [_1]',($sample+1)).'</th>'); }
9338: $r->print(&end_data_table_header_row());
9339: foreach my $hash (@$samples) {
9340: $r->print(&start_data_table_row());
9341: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
9342: $r->print('<td>');
9343: if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
9344: $r->print('</td>');
9345: }
9346: $r->print(&end_data_table_row());
9347: }
9348: $r->print(&end_data_table().'<br />'."\n");
9349: }
9350:
9351: ######################################################
9352: ######################################################
9353:
9354: =pod
9355:
9356: =item * &csv_print_select_table($r,$records,$d)
9357:
9358: Prints a table to create associations between values and table columns.
9359:
9360: $r is an Apache Request ref,
9361: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
9362: $d is an array of 2 element arrays (internal name, displayed name,defaultcol)
9363:
9364: =cut
9365:
9366: ######################################################
9367: ######################################################
9368: sub csv_print_select_table {
9369: my ($r,$records,$d) = @_;
9370: my $i=0;
9371: my $samples = &get_samples($records,1);
9372: $r->print(&mt('Associate columns with student attributes.')."\n".
9373: &start_data_table().&start_data_table_header_row().
9374: '<th>'.&mt('Attribute').'</th>'.
9375: '<th>'.&mt('Column').'</th>'.
9376: &end_data_table_header_row()."\n");
9377: foreach my $array_ref (@$d) {
9378: my ($value,$display,$defaultcol)=@{ $array_ref };
9379: $r->print(&start_data_table_row().'<td>'.$display.'</td>');
9380:
9381: $r->print('<td><select name="f'.$i.'"'.
9382: ' onchange="javascript:flip(this.form,'.$i.');">');
9383: $r->print('<option value="none"></option>');
9384: foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
9385: $r->print('<option value="'.$sample.'"'.
9386: ($sample eq $defaultcol ? ' selected="selected" ' : '').
9387: '>'.&mt('Column [_1]',($sample+1)).'</option>');
9388: }
9389: $r->print('</select></td>'.&end_data_table_row()."\n");
9390: $i++;
9391: }
9392: $r->print(&end_data_table());
9393: $i--;
9394: return $i;
9395: }
9396:
9397: ######################################################
9398: ######################################################
9399:
9400: =pod
9401:
9402: =item * &csv_samples_select_table($r,$records,$d)
9403:
9404: Prints a table of sample values from the upload and can make associate samples to internal names.
9405:
9406: $r is an Apache Request ref,
9407: $records is an arrayref from &Apache::loncommon::upfile_record_sep,
9408: $d is an array of 2 element arrays (internal name, displayed name)
9409:
9410: =cut
9411:
9412: ######################################################
9413: ######################################################
9414: sub csv_samples_select_table {
9415: my ($r,$records,$d) = @_;
9416: my $i=0;
9417: #
9418: my $max_samples = 5;
9419: my $samples = &get_samples($records,$max_samples);
9420: $r->print(&start_data_table().
9421: &start_data_table_header_row().'<th>'.
9422: &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
9423: &end_data_table_header_row());
9424:
9425: foreach my $key (sort(keys(%{ $samples->[0] }))) {
9426: $r->print(&start_data_table_row().'<td><select name="f'.$i.'"'.
9427: ' onchange="javascript:flip(this.form,'.$i.');">');
9428: foreach my $option (@$d) {
9429: my ($value,$display,$defaultcol)=@{ $option };
9430: $r->print('<option value="'.$value.'"'.
9431: ($i eq $defaultcol ? ' selected="selected" ':'').'>'.
9432: $display.'</option>');
9433: }
9434: $r->print('</select></td><td>');
9435: foreach my $line (0..($max_samples-1)) {
9436: if (defined($samples->[$line]{$key})) {
9437: $r->print($samples->[$line]{$key}."<br />\n");
9438: }
9439: }
9440: $r->print('</td>'.&end_data_table_row());
9441: $i++;
9442: }
9443: $r->print(&end_data_table());
9444: $i--;
9445: return($i);
9446: }
9447:
9448: ######################################################
9449: ######################################################
9450:
9451: =pod
9452:
9453: =item * &clean_excel_name($name)
9454:
9455: Returns a replacement for $name which does not contain any illegal characters.
9456:
9457: =cut
9458:
9459: ######################################################
9460: ######################################################
9461: sub clean_excel_name {
9462: my ($name) = @_;
9463: $name =~ s/[:\*\?\/\\]//g;
9464: if (length($name) > 31) {
9465: $name = substr($name,0,31);
9466: }
9467: return $name;
9468: }
9469:
9470: =pod
9471:
9472: =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
9473:
9474: Returns either 1 or undef
9475:
9476: 1 if the part is to be hidden, undef if it is to be shown
9477:
9478: Arguments are:
9479:
9480: $id the id of the part to be checked
9481: $symb, optional the symb of the resource to check
9482: $udom, optional the domain of the user to check for
9483: $uname, optional the username of the user to check for
9484:
9485: =cut
9486:
9487: sub check_if_partid_hidden {
9488: my ($id,$symb,$udom,$uname) = @_;
9489: my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
9490: $symb,$udom,$uname);
9491: my $truth=1;
9492: #if the string starts with !, then the list is the list to show not hide
9493: if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
9494: my @hiddenlist=split(/,/,$hiddenparts);
9495: foreach my $checkid (@hiddenlist) {
9496: if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
9497: }
9498: return !$truth;
9499: }
9500:
9501:
9502: ############################################################
9503: ############################################################
9504:
9505: =pod
9506:
9507: =back
9508:
9509: =head1 cgi-bin script and graphing routines
9510:
9511: =over 4
9512:
9513: =item * &get_cgi_id()
9514:
9515: Inputs: none
9516:
9517: Returns an id which can be used to pass environment variables
9518: to various cgi-bin scripts. These environment variables will
9519: be removed from the users environment after a given time by
9520: the routine &Apache::lonnet::transfer_profile_to_env.
9521:
9522: =cut
9523:
9524: ############################################################
9525: ############################################################
9526: my $uniq=0;
9527: sub get_cgi_id {
9528: $uniq=($uniq+1)%100000;
9529: return (time.'_'.$$.'_'.$uniq);
9530: }
9531:
9532: ############################################################
9533: ############################################################
9534:
9535: =pod
9536:
9537: =item * &DrawBarGraph()
9538:
9539: Facilitates the plotting of data in a (stacked) bar graph.
9540: Puts plot definition data into the users environment in order for
9541: graph.png to plot it. Returns an <img> tag for the plot.
9542: The bars on the plot are labeled '1','2',...,'n'.
9543:
9544: Inputs:
9545:
9546: =over 4
9547:
9548: =item $Title: string, the title of the plot
9549:
9550: =item $xlabel: string, text describing the X-axis of the plot
9551:
9552: =item $ylabel: string, text describing the Y-axis of the plot
9553:
9554: =item $Max: scalar, the maximum Y value to use in the plot
9555: If $Max is < any data point, the graph will not be rendered.
9556:
9557: =item $colors: array ref holding the colors to be used for the data sets when
9558: they are plotted. If undefined, default values will be used.
9559:
9560: =item $labels: array ref holding the labels to use on the x-axis for the bars.
9561:
9562: =item @Values: An array of array references. Each array reference holds data
9563: to be plotted in a stacked bar chart.
9564:
9565: =item If the final element of @Values is a hash reference the key/value
9566: pairs will be added to the graph definition.
9567:
9568: =back
9569:
9570: Returns:
9571:
9572: An <img> tag which references graph.png and the appropriate identifying
9573: information for the plot.
9574:
9575: =cut
9576:
9577: ############################################################
9578: ############################################################
9579: sub DrawBarGraph {
9580: my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
9581: #
9582: if (! defined($colors)) {
9583: $colors = ['#33ff00',
9584: '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
9585: '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
9586: ];
9587: }
9588: my $extra_settings = {};
9589: if (ref($Values[-1]) eq 'HASH') {
9590: $extra_settings = pop(@Values);
9591: }
9592: #
9593: my $identifier = &get_cgi_id();
9594: my $id = 'cgi.'.$identifier;
9595: if (! @Values || ref($Values[0]) ne 'ARRAY') {
9596: return '';
9597: }
9598: #
9599: my @Labels;
9600: if (defined($labels)) {
9601: @Labels = @$labels;
9602: } else {
9603: for (my $i=0;$i<@{$Values[0]};$i++) {
9604: push (@Labels,$i+1);
9605: }
9606: }
9607: #
9608: my $NumBars = scalar(@{$Values[0]});
9609: if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
9610: my %ValuesHash;
9611: my $NumSets=1;
9612: foreach my $array (@Values) {
9613: next if (! ref($array));
9614: $ValuesHash{$id.'.data.'.$NumSets++} =
9615: join(',',@$array);
9616: }
9617: #
9618: my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
9619: if ($NumBars < 3) {
9620: $width = 120+$NumBars*32;
9621: $xskip = 1;
9622: $bar_width = 30;
9623: } elsif ($NumBars < 5) {
9624: $width = 120+$NumBars*20;
9625: $xskip = 1;
9626: $bar_width = 20;
9627: } elsif ($NumBars < 10) {
9628: $width = 120+$NumBars*15;
9629: $xskip = 1;
9630: $bar_width = 15;
9631: } elsif ($NumBars <= 25) {
9632: $width = 120+$NumBars*11;
9633: $xskip = 5;
9634: $bar_width = 8;
9635: } elsif ($NumBars <= 50) {
9636: $width = 120+$NumBars*8;
9637: $xskip = 5;
9638: $bar_width = 4;
9639: } else {
9640: $width = 120+$NumBars*8;
9641: $xskip = 5;
9642: $bar_width = 4;
9643: }
9644: #
9645: $Max = 1 if ($Max < 1);
9646: if ( int($Max) < $Max ) {
9647: $Max++;
9648: $Max = int($Max);
9649: }
9650: $Title = '' if (! defined($Title));
9651: $xlabel = '' if (! defined($xlabel));
9652: $ylabel = '' if (! defined($ylabel));
9653: $ValuesHash{$id.'.title'} = &escape($Title);
9654: $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
9655: $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
9656: $ValuesHash{$id.'.y_max_value'} = $Max;
9657: $ValuesHash{$id.'.NumBars'} = $NumBars;
9658: $ValuesHash{$id.'.NumSets'} = $NumSets;
9659: $ValuesHash{$id.'.PlotType'} = 'bar';
9660: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
9661: $ValuesHash{$id.'.height'} = $height;
9662: $ValuesHash{$id.'.width'} = $width;
9663: $ValuesHash{$id.'.xskip'} = $xskip;
9664: $ValuesHash{$id.'.bar_width'} = $bar_width;
9665: $ValuesHash{$id.'.labels'} = join(',',@Labels);
9666: #
9667: # Deal with other parameters
9668: while (my ($key,$value) = each(%$extra_settings)) {
9669: $ValuesHash{$id.'.'.$key} = $value;
9670: }
9671: #
9672: &Apache::lonnet::appenv(\%ValuesHash);
9673: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
9674: }
9675:
9676: ############################################################
9677: ############################################################
9678:
9679: =pod
9680:
9681: =item * &DrawXYGraph()
9682:
9683: Facilitates the plotting of data in an XY graph.
9684: Puts plot definition data into the users environment in order for
9685: graph.png to plot it. Returns an <img> tag for the plot.
9686:
9687: Inputs:
9688:
9689: =over 4
9690:
9691: =item $Title: string, the title of the plot
9692:
9693: =item $xlabel: string, text describing the X-axis of the plot
9694:
9695: =item $ylabel: string, text describing the Y-axis of the plot
9696:
9697: =item $Max: scalar, the maximum Y value to use in the plot
9698: If $Max is < any data point, the graph will not be rendered.
9699:
9700: =item $colors: Array ref containing the hex color codes for the data to be
9701: plotted in. If undefined, default values will be used.
9702:
9703: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
9704:
9705: =item $Ydata: Array ref containing Array refs.
9706: Each of the contained arrays will be plotted as a separate curve.
9707:
9708: =item %Values: hash indicating or overriding any default values which are
9709: passed to graph.png.
9710: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
9711:
9712: =back
9713:
9714: Returns:
9715:
9716: An <img> tag which references graph.png and the appropriate identifying
9717: information for the plot.
9718:
9719: =cut
9720:
9721: ############################################################
9722: ############################################################
9723: sub DrawXYGraph {
9724: my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
9725: #
9726: # Create the identifier for the graph
9727: my $identifier = &get_cgi_id();
9728: my $id = 'cgi.'.$identifier;
9729: #
9730: $Title = '' if (! defined($Title));
9731: $xlabel = '' if (! defined($xlabel));
9732: $ylabel = '' if (! defined($ylabel));
9733: my %ValuesHash =
9734: (
9735: $id.'.title' => &escape($Title),
9736: $id.'.xlabel' => &escape($xlabel),
9737: $id.'.ylabel' => &escape($ylabel),
9738: $id.'.y_max_value'=> $Max,
9739: $id.'.labels' => join(',',@$Xlabels),
9740: $id.'.PlotType' => 'XY',
9741: );
9742: #
9743: if (defined($colors) && ref($colors) eq 'ARRAY') {
9744: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
9745: }
9746: #
9747: if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
9748: return '';
9749: }
9750: my $NumSets=1;
9751: foreach my $array (@{$Ydata}){
9752: next if (! ref($array));
9753: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
9754: }
9755: $ValuesHash{$id.'.NumSets'} = $NumSets-1;
9756: #
9757: # Deal with other parameters
9758: while (my ($key,$value) = each(%Values)) {
9759: $ValuesHash{$id.'.'.$key} = $value;
9760: }
9761: #
9762: &Apache::lonnet::appenv(\%ValuesHash);
9763: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
9764: }
9765:
9766: ############################################################
9767: ############################################################
9768:
9769: =pod
9770:
9771: =item * &DrawXYYGraph()
9772:
9773: Facilitates the plotting of data in an XY graph with two Y axes.
9774: Puts plot definition data into the users environment in order for
9775: graph.png to plot it. Returns an <img> tag for the plot.
9776:
9777: Inputs:
9778:
9779: =over 4
9780:
9781: =item $Title: string, the title of the plot
9782:
9783: =item $xlabel: string, text describing the X-axis of the plot
9784:
9785: =item $ylabel: string, text describing the Y-axis of the plot
9786:
9787: =item $colors: Array ref containing the hex color codes for the data to be
9788: plotted in. If undefined, default values will be used.
9789:
9790: =item $Xlabels: Array ref containing the labels to be used for the X-axis.
9791:
9792: =item $Ydata1: The first data set
9793:
9794: =item $Min1: The minimum value of the left Y-axis
9795:
9796: =item $Max1: The maximum value of the left Y-axis
9797:
9798: =item $Ydata2: The second data set
9799:
9800: =item $Min2: The minimum value of the right Y-axis
9801:
9802: =item $Max2: The maximum value of the left Y-axis
9803:
9804: =item %Values: hash indicating or overriding any default values which are
9805: passed to graph.png.
9806: Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
9807:
9808: =back
9809:
9810: Returns:
9811:
9812: An <img> tag which references graph.png and the appropriate identifying
9813: information for the plot.
9814:
9815: =cut
9816:
9817: ############################################################
9818: ############################################################
9819: sub DrawXYYGraph {
9820: my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
9821: $Ydata2,$Min2,$Max2,%Values)=@_;
9822: #
9823: # Create the identifier for the graph
9824: my $identifier = &get_cgi_id();
9825: my $id = 'cgi.'.$identifier;
9826: #
9827: $Title = '' if (! defined($Title));
9828: $xlabel = '' if (! defined($xlabel));
9829: $ylabel = '' if (! defined($ylabel));
9830: my %ValuesHash =
9831: (
9832: $id.'.title' => &escape($Title),
9833: $id.'.xlabel' => &escape($xlabel),
9834: $id.'.ylabel' => &escape($ylabel),
9835: $id.'.labels' => join(',',@$Xlabels),
9836: $id.'.PlotType' => 'XY',
9837: $id.'.NumSets' => 2,
9838: $id.'.two_axes' => 1,
9839: $id.'.y1_max_value' => $Max1,
9840: $id.'.y1_min_value' => $Min1,
9841: $id.'.y2_max_value' => $Max2,
9842: $id.'.y2_min_value' => $Min2,
9843: );
9844: #
9845: if (defined($colors) && ref($colors) eq 'ARRAY') {
9846: $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
9847: }
9848: #
9849: if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
9850: ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
9851: return '';
9852: }
9853: my $NumSets=1;
9854: foreach my $array ($Ydata1,$Ydata2){
9855: next if (! ref($array));
9856: $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
9857: }
9858: #
9859: # Deal with other parameters
9860: while (my ($key,$value) = each(%Values)) {
9861: $ValuesHash{$id.'.'.$key} = $value;
9862: }
9863: #
9864: &Apache::lonnet::appenv(\%ValuesHash);
9865: return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
9866: }
9867:
9868: ############################################################
9869: ############################################################
9870:
9871: =pod
9872:
9873: =back
9874:
9875: =head1 Statistics helper routines?
9876:
9877: Bad place for them but what the hell.
9878:
9879: =over 4
9880:
9881: =item * &chartlink()
9882:
9883: Returns a link to the chart for a specific student.
9884:
9885: Inputs:
9886:
9887: =over 4
9888:
9889: =item $linktext: The text of the link
9890:
9891: =item $sname: The students username
9892:
9893: =item $sdomain: The students domain
9894:
9895: =back
9896:
9897: =back
9898:
9899: =cut
9900:
9901: ############################################################
9902: ############################################################
9903: sub chartlink {
9904: my ($linktext, $sname, $sdomain) = @_;
9905: my $link = '<a href="/adm/statistics?reportSelected=student_assessment'.
9906: '&SelectedStudent='.&escape($sname.':'.$sdomain).
9907: '&chartoutputmode='.HTML::Entities::encode('html, with all links').
9908: '">'.$linktext.'</a>';
9909: }
9910:
9911: #######################################################
9912: #######################################################
9913:
9914: =pod
9915:
9916: =head1 Course Environment Routines
9917:
9918: =over 4
9919:
9920: =item * &restore_course_settings()
9921:
9922: =item * &store_course_settings()
9923:
9924: Restores/Store indicated form parameters from the course environment.
9925: Will not overwrite existing values of the form parameters.
9926:
9927: Inputs:
9928: a scalar describing the data (e.g. 'chart', 'problem_analysis')
9929:
9930: a hash ref describing the data to be stored. For example:
9931:
9932: %Save_Parameters = ('Status' => 'scalar',
9933: 'chartoutputmode' => 'scalar',
9934: 'chartoutputdata' => 'scalar',
9935: 'Section' => 'array',
9936: 'Group' => 'array',
9937: 'StudentData' => 'array',
9938: 'Maps' => 'array');
9939:
9940: Returns: both routines return nothing
9941:
9942: =back
9943:
9944: =cut
9945:
9946: #######################################################
9947: #######################################################
9948: sub store_course_settings {
9949: return &store_settings($env{'request.course.id'},@_);
9950: }
9951:
9952: sub store_settings {
9953: # save to the environment
9954: # appenv the same items, just to be safe
9955: my $udom = $env{'user.domain'};
9956: my $uname = $env{'user.name'};
9957: my ($context,$prefix,$Settings) = @_;
9958: my %SaveHash;
9959: my %AppHash;
9960: while (my ($setting,$type) = each(%$Settings)) {
9961: my $basename = join('.','internal',$context,$prefix,$setting);
9962: my $envname = 'environment.'.$basename;
9963: if (exists($env{'form.'.$setting})) {
9964: # Save this value away
9965: if ($type eq 'scalar' &&
9966: (! exists($env{$envname}) ||
9967: $env{$envname} ne $env{'form.'.$setting})) {
9968: $SaveHash{$basename} = $env{'form.'.$setting};
9969: $AppHash{$envname} = $env{'form.'.$setting};
9970: } elsif ($type eq 'array') {
9971: my $stored_form;
9972: if (ref($env{'form.'.$setting})) {
9973: $stored_form = join(',',
9974: map {
9975: &escape($_);
9976: } sort(@{$env{'form.'.$setting}}));
9977: } else {
9978: $stored_form =
9979: &escape($env{'form.'.$setting});
9980: }
9981: # Determine if the array contents are the same.
9982: if ($stored_form ne $env{$envname}) {
9983: $SaveHash{$basename} = $stored_form;
9984: $AppHash{$envname} = $stored_form;
9985: }
9986: }
9987: }
9988: }
9989: my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
9990: $udom,$uname);
9991: if ($put_result !~ /^(ok|delayed)/) {
9992: &Apache::lonnet::logthis('unable to save form parameters, '.
9993: 'got error:'.$put_result);
9994: }
9995: # Make sure these settings stick around in this session, too
9996: &Apache::lonnet::appenv(\%AppHash);
9997: return;
9998: }
9999:
10000: sub restore_course_settings {
10001: return &restore_settings($env{'request.course.id'},@_);
10002: }
10003:
10004: sub restore_settings {
10005: my ($context,$prefix,$Settings) = @_;
10006: while (my ($setting,$type) = each(%$Settings)) {
10007: next if (exists($env{'form.'.$setting}));
10008: my $envname = 'environment.internal.'.$context.'.'.$prefix.
10009: '.'.$setting;
10010: if (exists($env{$envname})) {
10011: if ($type eq 'scalar') {
10012: $env{'form.'.$setting} = $env{$envname};
10013: } elsif ($type eq 'array') {
10014: $env{'form.'.$setting} = [
10015: map {
10016: &unescape($_);
10017: } split(',',$env{$envname})
10018: ];
10019: }
10020: }
10021: }
10022: }
10023:
10024: #######################################################
10025: #######################################################
10026:
10027: =pod
10028:
10029: =head1 Domain E-mail Routines
10030:
10031: =over 4
10032:
10033: =item * &build_recipient_list()
10034:
10035: Build recipient lists for five types of e-mail:
10036: (a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
10037: (d) Help requests, (e) Course requests needing approval, generated by
10038: lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
10039: loncoursequeueadmin.pm respectively.
10040:
10041: Inputs:
10042: defmail (scalar - email address of default recipient),
10043: mailing type (scalar - errormail, packagesmail, or helpdeskmail),
10044: defdom (domain for which to retrieve configuration settings),
10045: origmail (scalar - email address of recipient from loncapa.conf,
10046: i.e., predates configuration by DC via domainprefs.pm
10047:
10048: Returns: comma separated list of addresses to which to send e-mail.
10049:
10050: =back
10051:
10052: =cut
10053:
10054: ############################################################
10055: ############################################################
10056: sub build_recipient_list {
10057: my ($defmail,$mailing,$defdom,$origmail) = @_;
10058: my @recipients;
10059: my $otheremails;
10060: my %domconfig =
10061: &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
10062: if (ref($domconfig{'contacts'}) eq 'HASH') {
10063: if (exists($domconfig{'contacts'}{$mailing})) {
10064: if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
10065: my @contacts = ('adminemail','supportemail');
10066: foreach my $item (@contacts) {
10067: if ($domconfig{'contacts'}{$mailing}{$item}) {
10068: my $addr = $domconfig{'contacts'}{$item};
10069: if (!grep(/^\Q$addr\E$/,@recipients)) {
10070: push(@recipients,$addr);
10071: }
10072: }
10073: $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
10074: }
10075: }
10076: } elsif ($origmail ne '') {
10077: push(@recipients,$origmail);
10078: }
10079: } elsif ($origmail ne '') {
10080: push(@recipients,$origmail);
10081: }
10082: if (defined($defmail)) {
10083: if ($defmail ne '') {
10084: push(@recipients,$defmail);
10085: }
10086: }
10087: if ($otheremails) {
10088: my @others;
10089: if ($otheremails =~ /,/) {
10090: @others = split(/,/,$otheremails);
10091: } else {
10092: push(@others,$otheremails);
10093: }
10094: foreach my $addr (@others) {
10095: if (!grep(/^\Q$addr\E$/,@recipients)) {
10096: push(@recipients,$addr);
10097: }
10098: }
10099: }
10100: my $recipientlist = join(',',@recipients);
10101: return $recipientlist;
10102: }
10103:
10104: ############################################################
10105: ############################################################
10106:
10107: =pod
10108:
10109: =head1 Course Catalog Routines
10110:
10111: =over 4
10112:
10113: =item * &gather_categories()
10114:
10115: Converts category definitions - keys of categories hash stored in
10116: coursecategories in configuration.db on the primary library server in a
10117: domain - to an array. Also generates javascript and idx hash used to
10118: generate Domain Coordinator interface for editing Course Categories.
10119:
10120: Inputs:
10121:
10122: categories (reference to hash of category definitions).
10123:
10124: cats (reference to array of arrays/hashes which encapsulates hierarchy of
10125: categories and subcategories).
10126:
10127: idx (reference to hash of counters used in Domain Coordinator interface for
10128: editing Course Categories).
10129:
10130: jsarray (reference to array of categories used to create Javascript arrays for
10131: Domain Coordinator interface for editing Course Categories).
10132:
10133: Returns: nothing
10134:
10135: Side effects: populates cats, idx and jsarray.
10136:
10137: =cut
10138:
10139: sub gather_categories {
10140: my ($categories,$cats,$idx,$jsarray) = @_;
10141: my %counters;
10142: my $num = 0;
10143: foreach my $item (keys(%{$categories})) {
10144: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
10145: if ($container eq '' && $depth == 0) {
10146: $cats->[$depth][$categories->{$item}] = $cat;
10147: } else {
10148: $cats->[$depth]{$container}[$categories->{$item}] = $cat;
10149: }
10150: my ($escitem,$tail) = split(/:/,$item,2);
10151: if ($counters{$tail} eq '') {
10152: $counters{$tail} = $num;
10153: $num ++;
10154: }
10155: if (ref($idx) eq 'HASH') {
10156: $idx->{$item} = $counters{$tail};
10157: }
10158: if (ref($jsarray) eq 'ARRAY') {
10159: push(@{$jsarray->[$counters{$tail}]},$item);
10160: }
10161: }
10162: return;
10163: }
10164:
10165: =pod
10166:
10167: =item * &extract_categories()
10168:
10169: Used to generate breadcrumb trails for course categories.
10170:
10171: Inputs:
10172:
10173: categories (reference to hash of category definitions).
10174:
10175: cats (reference to array of arrays/hashes which encapsulates hierarchy of
10176: categories and subcategories).
10177:
10178: trails (reference to array of breacrumb trails for each category).
10179:
10180: allitems (reference to hash - key is category key
10181: (format: escaped(name):escaped(parent category):depth in hierarchy).
10182:
10183: idx (reference to hash of counters used in Domain Coordinator interface for
10184: editing Course Categories).
10185:
10186: jsarray (reference to array of categories used to create Javascript arrays for
10187: Domain Coordinator interface for editing Course Categories).
10188:
10189: subcats (reference to hash of arrays containing all subcategories within each
10190: category, -recursive)
10191:
10192: Returns: nothing
10193:
10194: Side effects: populates trails and allitems hash references.
10195:
10196: =cut
10197:
10198: sub extract_categories {
10199: my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
10200: if (ref($categories) eq 'HASH') {
10201: &gather_categories($categories,$cats,$idx,$jsarray);
10202: if (ref($cats->[0]) eq 'ARRAY') {
10203: for (my $i=0; $i<@{$cats->[0]}; $i++) {
10204: my $name = $cats->[0][$i];
10205: my $item = &escape($name).'::0';
10206: my $trailstr;
10207: if ($name eq 'instcode') {
10208: $trailstr = &mt('Official courses (with institutional codes)');
10209: } elsif ($name eq 'communities') {
10210: $trailstr = &mt('Communities');
10211: } else {
10212: $trailstr = $name;
10213: }
10214: if ($allitems->{$item} eq '') {
10215: push(@{$trails},$trailstr);
10216: $allitems->{$item} = scalar(@{$trails})-1;
10217: }
10218: my @parents = ($name);
10219: if (ref($cats->[1]{$name}) eq 'ARRAY') {
10220: for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
10221: my $category = $cats->[1]{$name}[$j];
10222: if (ref($subcats) eq 'HASH') {
10223: push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
10224: }
10225: &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
10226: }
10227: } else {
10228: if (ref($subcats) eq 'HASH') {
10229: $subcats->{$item} = [];
10230: }
10231: }
10232: }
10233: }
10234: }
10235: return;
10236: }
10237:
10238: =pod
10239:
10240: =item *&recurse_categories()
10241:
10242: Recursively used to generate breadcrumb trails for course categories.
10243:
10244: Inputs:
10245:
10246: cats (reference to array of arrays/hashes which encapsulates hierarchy of
10247: categories and subcategories).
10248:
10249: depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
10250:
10251: category (current course category, for which breadcrumb trail is being generated).
10252:
10253: trails (reference to array of breadcrumb trails for each category).
10254:
10255: allitems (reference to hash - key is category key
10256: (format: escaped(name):escaped(parent category):depth in hierarchy).
10257:
10258: parents (array containing containers directories for current category,
10259: back to top level).
10260:
10261: Returns: nothing
10262:
10263: Side effects: populates trails and allitems hash references
10264:
10265: =cut
10266:
10267: sub recurse_categories {
10268: my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
10269: my $shallower = $depth - 1;
10270: if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
10271: for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
10272: my $name = $cats->[$depth]{$category}[$k];
10273: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
10274: my $trailstr = join(' -> ',(@{$parents},$category));
10275: if ($allitems->{$item} eq '') {
10276: push(@{$trails},$trailstr);
10277: $allitems->{$item} = scalar(@{$trails})-1;
10278: }
10279: my $deeper = $depth+1;
10280: push(@{$parents},$category);
10281: if (ref($subcats) eq 'HASH') {
10282: my $subcat = &escape($name).':'.$category.':'.$depth;
10283: for (my $j=@{$parents}; $j>=0; $j--) {
10284: my $higher;
10285: if ($j > 0) {
10286: $higher = &escape($parents->[$j]).':'.
10287: &escape($parents->[$j-1]).':'.$j;
10288: } else {
10289: $higher = &escape($parents->[$j]).'::'.$j;
10290: }
10291: push(@{$subcats->{$higher}},$subcat);
10292: }
10293: }
10294: &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
10295: $subcats);
10296: pop(@{$parents});
10297: }
10298: } else {
10299: my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
10300: my $trailstr = join(' -> ',(@{$parents},$category));
10301: if ($allitems->{$item} eq '') {
10302: push(@{$trails},$trailstr);
10303: $allitems->{$item} = scalar(@{$trails})-1;
10304: }
10305: }
10306: return;
10307: }
10308:
10309: =pod
10310:
10311: =item *&assign_categories_table()
10312:
10313: Create a datatable for display of hierarchical categories in a domain,
10314: with checkboxes to allow a course to be categorized.
10315:
10316: Inputs:
10317:
10318: cathash - reference to hash of categories defined for the domain (from
10319: configuration.db)
10320:
10321: currcat - scalar with an & separated list of categories assigned to a course.
10322:
10323: type - scalar contains course type (Course or Community).
10324:
10325: Returns: $output (markup to be displayed)
10326:
10327: =cut
10328:
10329: sub assign_categories_table {
10330: my ($cathash,$currcat,$type) = @_;
10331: my $output;
10332: if (ref($cathash) eq 'HASH') {
10333: my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
10334: &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
10335: $maxdepth = scalar(@cats);
10336: if (@cats > 0) {
10337: my $itemcount = 0;
10338: if (ref($cats[0]) eq 'ARRAY') {
10339: my @currcategories;
10340: if ($currcat ne '') {
10341: @currcategories = split('&',$currcat);
10342: }
10343: my $table;
10344: for (my $i=0; $i<@{$cats[0]}; $i++) {
10345: my $parent = $cats[0][$i];
10346: next if ($parent eq 'instcode');
10347: if ($type eq 'Community') {
10348: next unless ($parent eq 'communities');
10349: } else {
10350: next if ($parent eq 'communities');
10351: }
10352: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
10353: my $item = &escape($parent).'::0';
10354: my $checked = '';
10355: if (@currcategories > 0) {
10356: if (grep(/^\Q$item\E$/,@currcategories)) {
10357: $checked = ' checked="checked"';
10358: }
10359: }
10360: my $parent_title = $parent;
10361: if ($parent eq 'communities') {
10362: $parent_title = &mt('Communities');
10363: }
10364: $table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
10365: '<input type="checkbox" name="usecategory" value="'.
10366: $item.'"'.$checked.' />'.$parent_title.'</span>'.
10367: '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
10368: my $depth = 1;
10369: push(@path,$parent);
10370: $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
10371: pop(@path);
10372: $table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
10373: $itemcount ++;
10374: }
10375: if ($itemcount) {
10376: $output = &Apache::loncommon::start_data_table().
10377: $table.
10378: &Apache::loncommon::end_data_table();
10379: }
10380: }
10381: }
10382: }
10383: return $output;
10384: }
10385:
10386: =pod
10387:
10388: =item *&assign_category_rows()
10389:
10390: Create a datatable row for display of nested categories in a domain,
10391: with checkboxes to allow a course to be categorized,called recursively.
10392:
10393: Inputs:
10394:
10395: itemcount - track row number for alternating colors
10396:
10397: cats - reference to array of arrays/hashes which encapsulates hierarchy of
10398: categories and subcategories.
10399:
10400: depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
10401:
10402: parent - parent of current category item
10403:
10404: path - Array containing all categories back up through the hierarchy from the
10405: current category to the top level.
10406:
10407: currcategories - reference to array of current categories assigned to the course
10408:
10409: Returns: $output (markup to be displayed).
10410:
10411: =cut
10412:
10413: sub assign_category_rows {
10414: my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
10415: my ($text,$name,$item,$chgstr);
10416: if (ref($cats) eq 'ARRAY') {
10417: my $maxdepth = scalar(@{$cats});
10418: if (ref($cats->[$depth]) eq 'HASH') {
10419: if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
10420: my $numchildren = @{$cats->[$depth]{$parent}};
10421: my $css_class = $itemcount%2?' class="LC_odd_row"':'';
10422: $text .= '<td><table class="LC_datatable">';
10423: for (my $j=0; $j<$numchildren; $j++) {
10424: $name = $cats->[$depth]{$parent}[$j];
10425: $item = &escape($name).':'.&escape($parent).':'.$depth;
10426: my $deeper = $depth+1;
10427: my $checked = '';
10428: if (ref($currcategories) eq 'ARRAY') {
10429: if (@{$currcategories} > 0) {
10430: if (grep(/^\Q$item\E$/,@{$currcategories})) {
10431: $checked = ' checked="checked"';
10432: }
10433: }
10434: }
10435: $text .= '<tr><td><span class="LC_nobreak"><label>'.
10436: '<input type="checkbox" name="usecategory" value="'.
10437: $item.'"'.$checked.' />'.$name.'</label></span>'.
10438: '<input type="hidden" name="catname" value="'.$name.'" />'.
10439: '</td><td>';
10440: if (ref($path) eq 'ARRAY') {
10441: push(@{$path},$name);
10442: $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
10443: pop(@{$path});
10444: }
10445: $text .= '</td></tr>';
10446: }
10447: $text .= '</table></td>';
10448: }
10449: }
10450: }
10451: return $text;
10452: }
10453:
10454: ############################################################
10455: ############################################################
10456:
10457:
10458: sub commit_customrole {
10459: my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
10460: my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
10461: ($start?', '.&mt('starting').' '.localtime($start):'').
10462: ($end?', ending '.localtime($end):'').': <b>'.
10463: &Apache::lonnet::assigncustomrole(
10464: $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
10465: '</b><br />';
10466: return $output;
10467: }
10468:
10469: sub commit_standardrole {
10470: my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
10471: my ($output,$logmsg,$linefeed);
10472: if ($context eq 'auto') {
10473: $linefeed = "\n";
10474: } else {
10475: $linefeed = "<br />\n";
10476: }
10477: if ($three eq 'st') {
10478: my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
10479: $one,$two,$sec,$context);
10480: if (($result =~ /^error/) || ($result eq 'not_in_class') ||
10481: ($result eq 'unknown_course') || ($result eq 'refused')) {
10482: $output = $logmsg.' '.&mt('Error: ').$result."\n";
10483: } else {
10484: $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
10485: ($start?', '.&mt('starting').' '.localtime($start):'').
10486: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
10487: if ($context eq 'auto') {
10488: $output .= $result.$linefeed.&mt('Add to classlist').': ok';
10489: } else {
10490: $output .= '<b>'.$result.'</b>'.$linefeed.
10491: &mt('Add to classlist').': <b>ok</b>';
10492: }
10493: $output .= $linefeed;
10494: }
10495: } else {
10496: $output = &mt('Assigning').' '.$three.' in '.$url.
10497: ($start?', '.&mt('starting').' '.localtime($start):'').
10498: ($end?', '.&mt('ending').' '.localtime($end):'').': ';
10499: my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
10500: if ($context eq 'auto') {
10501: $output .= $result.$linefeed;
10502: } else {
10503: $output .= '<b>'.$result.'</b>'.$linefeed;
10504: }
10505: }
10506: return $output;
10507: }
10508:
10509: sub commit_studentrole {
10510: my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
10511: my ($result,$linefeed,$oldsecurl,$newsecurl);
10512: if ($context eq 'auto') {
10513: $linefeed = "\n";
10514: } else {
10515: $linefeed = '<br />'."\n";
10516: }
10517: if (defined($one) && defined($two)) {
10518: my $cid=$one.'_'.$two;
10519: my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
10520: my $secchange = 0;
10521: my $expire_role_result;
10522: my $modify_section_result;
10523: if ($oldsec ne '-1') {
10524: if ($oldsec ne $sec) {
10525: $secchange = 1;
10526: my $now = time;
10527: my $uurl='/'.$cid;
10528: $uurl=~s/\_/\//g;
10529: if ($oldsec) {
10530: $uurl.='/'.$oldsec;
10531: }
10532: $oldsecurl = $uurl;
10533: $expire_role_result =
10534: &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
10535: if ($env{'request.course.sec'} ne '') {
10536: if ($expire_role_result eq 'refused') {
10537: my @roles = ('st');
10538: my @statuses = ('previous');
10539: my @roledoms = ($one);
10540: my $withsec = 1;
10541: my %roleshash =
10542: &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
10543: \@statuses,\@roles,\@roledoms,$withsec);
10544: if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
10545: my ($oldstart,$oldend) =
10546: split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
10547: if ($oldend > 0 && $oldend <= $now) {
10548: $expire_role_result = 'ok';
10549: }
10550: }
10551: }
10552: }
10553: $result = $expire_role_result;
10554: }
10555: }
10556: if (($expire_role_result eq 'ok') || ($secchange == 0)) {
10557: $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
10558: if ($modify_section_result =~ /^ok/) {
10559: if ($secchange == 1) {
10560: if ($sec eq '') {
10561: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
10562: } else {
10563: $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
10564: }
10565: } elsif ($oldsec eq '-1') {
10566: if ($sec eq '') {
10567: $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
10568: } else {
10569: $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
10570: }
10571: } else {
10572: if ($sec eq '') {
10573: $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
10574: } else {
10575: $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
10576: }
10577: }
10578: } else {
10579: if ($secchange) {
10580: $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
10581: } else {
10582: $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
10583: }
10584: }
10585: $result = $modify_section_result;
10586: } elsif ($secchange == 1) {
10587: if ($oldsec eq '') {
10588: $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
10589: } else {
10590: $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
10591: }
10592: if ($expire_role_result eq 'refused') {
10593: my $newsecurl = '/'.$cid;
10594: $newsecurl =~ s/\_/\//g;
10595: if ($sec ne '') {
10596: $newsecurl.='/'.$sec;
10597: }
10598: if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
10599: if ($sec eq '') {
10600: $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
10601: } else {
10602: $$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;
10603: }
10604: }
10605: }
10606: }
10607: } else {
10608: $$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;
10609: $result = "error: incomplete course id\n";
10610: }
10611: return $result;
10612: }
10613:
10614: ############################################################
10615: ############################################################
10616:
10617: sub check_clone {
10618: my ($args,$linefeed) = @_;
10619: my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
10620: my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
10621: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
10622: my $clonemsg;
10623: my $can_clone = 0;
10624: my $lctype = lc($args->{'crstype'});
10625: if ($lctype ne 'community') {
10626: $lctype = 'course';
10627: }
10628: if ($clonehome eq 'no_host') {
10629: if ($args->{'crstype'} eq 'Community') {
10630: $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
10631: } else {
10632: $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'});
10633: }
10634: } else {
10635: my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
10636: if ($args->{'crstype'} eq 'Community') {
10637: if ($clonedesc{'type'} ne 'Community') {
10638: $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
10639: return ($can_clone, $clonemsg, $cloneid, $clonehome);
10640: }
10641: }
10642: if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
10643: (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
10644: $can_clone = 1;
10645: } else {
10646: my %clonehash = &Apache::lonnet::get('environment',['cloners'],
10647: $args->{'clonedomain'},$args->{'clonecourse'});
10648: my @cloners = split(/,/,$clonehash{'cloners'});
10649: if (grep(/^\*$/,@cloners)) {
10650: $can_clone = 1;
10651: } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
10652: $can_clone = 1;
10653: } else {
10654: my $ccrole = 'cc';
10655: if ($args->{'crstype'} eq 'Community') {
10656: $ccrole = 'co';
10657: }
10658: my %roleshash =
10659: &Apache::lonnet::get_my_roles($args->{'ccuname'},
10660: $args->{'ccdomain'},
10661: 'userroles',['active'],[$ccrole],
10662: [$args->{'clonedomain'}]);
10663: if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
10664: $can_clone = 1;
10665: } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
10666: $can_clone = 1;
10667: } else {
10668: if ($args->{'crstype'} eq 'Community') {
10669: $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
10670: } else {
10671: $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'});
10672: }
10673: }
10674: }
10675: }
10676: }
10677: return ($can_clone, $clonemsg, $cloneid, $clonehome);
10678: }
10679:
10680: sub construct_course {
10681: my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_;
10682: my $outcome;
10683: my $linefeed = '<br />'."\n";
10684: if ($context eq 'auto') {
10685: $linefeed = "\n";
10686: }
10687:
10688: #
10689: # Are we cloning?
10690: #
10691: my ($can_clone, $clonemsg, $cloneid, $clonehome);
10692: if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
10693: ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
10694: if ($context ne 'auto') {
10695: if ($clonemsg ne '') {
10696: $clonemsg = '<span class="LC_error">'.$clonemsg.'</span>';
10697: }
10698: }
10699: $outcome .= $clonemsg.$linefeed;
10700:
10701: if (!$can_clone) {
10702: return (0,$outcome);
10703: }
10704: }
10705:
10706: #
10707: # Open course
10708: #
10709: my $crstype = lc($args->{'crstype'});
10710: my %cenv=();
10711: $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
10712: $args->{'cdescr'},
10713: $args->{'curl'},
10714: $args->{'course_home'},
10715: $args->{'nonstandard'},
10716: $args->{'crscode'},
10717: $args->{'ccuname'}.':'.
10718: $args->{'ccdomain'},
10719: $args->{'crstype'},
10720: $cnum,$context,$category);
10721:
10722: # Note: The testing routines depend on this being output; see
10723: # Utils::Course. This needs to at least be output as a comment
10724: # if anyone ever decides to not show this, and Utils::Course::new
10725: # will need to be suitably modified.
10726: $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
10727: if ($$courseid =~ /^error:/) {
10728: return (0,$outcome);
10729: }
10730:
10731: #
10732: # Check if created correctly
10733: #
10734: ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
10735: my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
10736: if ($crsuhome eq 'no_host') {
10737: $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
10738: return (0,$outcome);
10739: }
10740: $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
10741:
10742: #
10743: # Do the cloning
10744: #
10745: if ($can_clone && $cloneid) {
10746: $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
10747: if ($context ne 'auto') {
10748: $clonemsg = '<span class="LC_success">'.$clonemsg.'</span>';
10749: }
10750: $outcome .= $clonemsg.$linefeed;
10751: my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
10752: # Copy all files
10753: &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
10754: # Restore URL
10755: $cenv{'url'}=$oldcenv{'url'};
10756: # Restore title
10757: $cenv{'description'}=$oldcenv{'description'};
10758: # Restore creation date, creator and creation context.
10759: $cenv{'internal.created'}=$oldcenv{'internal.created'};
10760: $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
10761: $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
10762: # Mark as cloned
10763: $cenv{'clonedfrom'}=$cloneid;
10764: # Need to clone grading mode
10765: my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
10766: $cenv{'grading'}=$newenv{'grading'};
10767: # Do not clone these environment entries
10768: &Apache::lonnet::del('environment',
10769: ['default_enrollment_start_date',
10770: 'default_enrollment_end_date',
10771: 'question.email',
10772: 'policy.email',
10773: 'comment.email',
10774: 'pch.users.denied',
10775: 'plc.users.denied',
10776: 'hidefromcat',
10777: 'categories'],
10778: $$crsudom,$$crsunum);
10779: }
10780:
10781: #
10782: # Set environment (will override cloned, if existing)
10783: #
10784: my @sections = ();
10785: my @xlists = ();
10786: if ($args->{'crstype'}) {
10787: $cenv{'type'}=$args->{'crstype'};
10788: }
10789: if ($args->{'crsid'}) {
10790: $cenv{'courseid'}=$args->{'crsid'};
10791: }
10792: if ($args->{'crscode'}) {
10793: $cenv{'internal.coursecode'}=$args->{'crscode'};
10794: }
10795: if ($args->{'crsquota'} ne '') {
10796: $cenv{'internal.coursequota'}=$args->{'crsquota'};
10797: } else {
10798: $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
10799: }
10800: if ($args->{'ccuname'}) {
10801: $cenv{'internal.courseowner'} = $args->{'ccuname'}.
10802: ':'.$args->{'ccdomain'};
10803: } else {
10804: $cenv{'internal.courseowner'} = $args->{'curruser'};
10805: }
10806: my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
10807: if ($args->{'crssections'}) {
10808: $cenv{'internal.sectionnums'} = '';
10809: if ($args->{'crssections'} =~ m/,/) {
10810: @sections = split/,/,$args->{'crssections'};
10811: } else {
10812: $sections[0] = $args->{'crssections'};
10813: }
10814: if (@sections > 0) {
10815: foreach my $item (@sections) {
10816: my ($sec,$gp) = split/:/,$item;
10817: my $class = $args->{'crscode'}.$sec;
10818: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
10819: $cenv{'internal.sectionnums'} .= $item.',';
10820: unless ($addcheck eq 'ok') {
10821: push @badclasses, $class;
10822: }
10823: }
10824: $cenv{'internal.sectionnums'} =~ s/,$//;
10825: }
10826: }
10827: # do not hide course coordinator from staff listing,
10828: # even if privileged
10829: $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10830: # add crosslistings
10831: if ($args->{'crsxlist'}) {
10832: $cenv{'internal.crosslistings'}='';
10833: if ($args->{'crsxlist'} =~ m/,/) {
10834: @xlists = split/,/,$args->{'crsxlist'};
10835: } else {
10836: $xlists[0] = $args->{'crsxlist'};
10837: }
10838: if (@xlists > 0) {
10839: foreach my $item (@xlists) {
10840: my ($xl,$gp) = split/:/,$item;
10841: my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
10842: $cenv{'internal.crosslistings'} .= $item.',';
10843: unless ($addcheck eq 'ok') {
10844: push @badclasses, $xl;
10845: }
10846: }
10847: $cenv{'internal.crosslistings'} =~ s/,$//;
10848: }
10849: }
10850: if ($args->{'autoadds'}) {
10851: $cenv{'internal.autoadds'}=$args->{'autoadds'};
10852: }
10853: if ($args->{'autodrops'}) {
10854: $cenv{'internal.autodrops'}=$args->{'autodrops'};
10855: }
10856: # check for notification of enrollment changes
10857: my @notified = ();
10858: if ($args->{'notify_owner'}) {
10859: if ($args->{'ccuname'} ne '') {
10860: push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
10861: }
10862: }
10863: if ($args->{'notify_dc'}) {
10864: if ($uname ne '') {
10865: push(@notified,$uname.':'.$udom);
10866: }
10867: }
10868: if (@notified > 0) {
10869: my $notifylist;
10870: if (@notified > 1) {
10871: $notifylist = join(',',@notified);
10872: } else {
10873: $notifylist = $notified[0];
10874: }
10875: $cenv{'internal.notifylist'} = $notifylist;
10876: }
10877: if (@badclasses > 0) {
10878: my %lt=&Apache::lonlocal::texthash(
10879: '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',
10880: 'dnhr' => 'does not have rights to access enrollment in these classes',
10881: 'adby' => 'as determined by the policies of your institution on access to official classlists'
10882: );
10883: my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
10884: ' ('.$lt{'adby'}.')';
10885: if ($context eq 'auto') {
10886: $outcome .= $badclass_msg.$linefeed;
10887: $outcome .= '<div class="LC_warning">'.$badclass_msg.$linefeed.'<ul>'."\n";
10888: foreach my $item (@badclasses) {
10889: if ($context eq 'auto') {
10890: $outcome .= " - $item\n";
10891: } else {
10892: $outcome .= "<li>$item</li>\n";
10893: }
10894: }
10895: if ($context eq 'auto') {
10896: $outcome .= $linefeed;
10897: } else {
10898: $outcome .= "</ul><br /><br /></div>\n";
10899: }
10900: }
10901: }
10902: if ($args->{'no_end_date'}) {
10903: $args->{'endaccess'} = 0;
10904: }
10905: $cenv{'internal.autostart'}=$args->{'enrollstart'};
10906: $cenv{'internal.autoend'}=$args->{'enrollend'};
10907: $cenv{'default_enrollment_start_date'}=$args->{'startaccess'};
10908: $cenv{'default_enrollment_end_date'}=$args->{'endaccess'};
10909: if ($args->{'showphotos'}) {
10910: $cenv{'internal.showphotos'}=$args->{'showphotos'};
10911: }
10912: $cenv{'internal.authtype'} = $args->{'authtype'};
10913: $cenv{'internal.autharg'} = $args->{'autharg'};
10914: if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) {
10915: if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') {
10916: my $krb_msg = &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student');
10917: if ($context eq 'auto') {
10918: $outcome .= $krb_msg;
10919: } else {
10920: $outcome .= '<span class="LC_error">'.$krb_msg.'</span>';
10921: }
10922: $outcome .= $linefeed;
10923: }
10924: }
10925: if (($args->{'ccdomain'}) && ($args->{'ccuname'})) {
10926: if ($args->{'setpolicy'}) {
10927: $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10928: }
10929: if ($args->{'setcontent'}) {
10930: $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
10931: }
10932: }
10933: if ($args->{'reshome'}) {
10934: $cenv{'reshome'}=$args->{'reshome'}.'/';
10935: $cenv{'reshome'}=~s/\/+$/\//;
10936: }
10937: #
10938: # course has keyed access
10939: #
10940: if ($args->{'setkeys'}) {
10941: $cenv{'keyaccess'}='yes';
10942: }
10943: # if specified, key authority is not course, but user
10944: # only active if keyaccess is yes
10945: if ($args->{'keyauth'}) {
10946: my ($user,$domain) = split(':',$args->{'keyauth'});
10947: $user = &LONCAPA::clean_username($user);
10948: $domain = &LONCAPA::clean_username($domain);
10949: if ($user ne '' && $domain ne '') {
10950: $cenv{'keyauth'}=$user.':'.$domain;
10951: }
10952: }
10953:
10954: if ($args->{'disresdis'}) {
10955: $cenv{'pch.roles.denied'}='st';
10956: }
10957: if ($args->{'disablechat'}) {
10958: $cenv{'plc.roles.denied'}='st';
10959: }
10960:
10961: # Record we've not yet viewed the Course Initialization Helper for this
10962: # course
10963: $cenv{'course.helper.not.run'} = 1;
10964: #
10965: # Use new Randomseed
10966: #
10967: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
10968: $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();;
10969: #
10970: # The encryption code and receipt prefix for this course
10971: #
10972: $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999));
10973: $cenv{'internal.encpref'}=100+int(9*rand(99));
10974: #
10975: # By default, use standard grading
10976: if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; }
10977:
10978: $outcome .= $linefeed.&mt('Setting environment').': '.
10979: &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).$linefeed;
10980: #
10981: # Open all assignments
10982: #
10983: if ($args->{'openall'}) {
10984: my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate';
10985: my %storecontent = ($storeunder => time,
10986: $storeunder.'.type' => 'date_start');
10987:
10988: $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput
10989: ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed;
10990: }
10991: #
10992: # Set first page
10993: #
10994: unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank')
10995: || ($cloneid)) {
10996: use LONCAPA::map;
10997: $outcome .= &mt('Setting first resource').': ';
10998:
10999: my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence';
11000: my ($errtext,$fatal)=&LONCAPA::map::mapread($map);
11001:
11002: $outcome .= ($fatal?$errtext:'read ok').' - ';
11003: my $title; my $url;
11004: if ($args->{'firstres'} eq 'syl') {
11005: $title=&mt('Syllabus');
11006: $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
11007: } else {
11008: $title=&mt('Table of Contents');
11009: $url='/adm/navmaps';
11010: }
11011:
11012: $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res';
11013: (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1);
11014:
11015: if ($errtext) { $fatal=2; }
11016: $outcome .= ($fatal?$errtext:'write ok').$linefeed;
11017: }
11018:
11019: return (1,$outcome);
11020: }
11021:
11022: ############################################################
11023: ############################################################
11024:
11025: #SD
11026: # only Community and Course, or anything else?
11027: sub course_type {
11028: my ($cid) = @_;
11029: if (!defined($cid)) {
11030: $cid = $env{'request.course.id'};
11031: }
11032: if (defined($env{'course.'.$cid.'.type'})) {
11033: return $env{'course.'.$cid.'.type'};
11034: } else {
11035: return 'Course';
11036: }
11037: }
11038:
11039: sub group_term {
11040: my $crstype = &course_type();
11041: my %names = (
11042: 'Course' => 'group',
11043: 'Community' => 'group',
11044: );
11045: return $names{$crstype};
11046: }
11047:
11048: sub course_types {
11049: my @types = ('official','unofficial','community');
11050: my %typename = (
11051: official => 'Official course',
11052: unofficial => 'Unofficial course',
11053: community => 'Community',
11054: );
11055: return (\@types,\%typename);
11056: }
11057:
11058: sub icon {
11059: my ($file)=@_;
11060: my $curfext = lc((split(/\./,$file))[-1]);
11061: my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
11062: my $embstyle = &Apache::loncommon::fileembstyle($curfext);
11063: if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
11064: if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
11065: $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
11066: $curfext.".gif") {
11067: $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
11068: $curfext.".gif";
11069: }
11070: }
11071: return &lonhttpdurl($iconname);
11072: }
11073:
11074: sub lonhttpdurl {
11075: #
11076: # Had been used for "small fry" static images on separate port 8080.
11077: # Modify here if lightweight http functionality desired again.
11078: # Currently eliminated due to increasing firewall issues.
11079: #
11080: my ($url)=@_;
11081: return $url;
11082: }
11083:
11084: sub connection_aborted {
11085: my ($r)=@_;
11086: $r->print(" ");$r->rflush();
11087: my $c = $r->connection;
11088: return $c->aborted();
11089: }
11090:
11091: # Escapes strings that may have embedded 's that will be put into
11092: # strings as 'strings'.
11093: sub escape_single {
11094: my ($input) = @_;
11095: $input =~ s/\\/\\\\/g; # Escape the \'s..(must be first)>
11096: $input =~ s/\'/\\\'/g; # Esacpe the 's....
11097: return $input;
11098: }
11099:
11100: # Same as escape_single, but escape's "'s This
11101: # can be used for "strings"
11102: sub escape_double {
11103: my ($input) = @_;
11104: $input =~ s/\\/\\\\/g; # Escape the /'s..(must be first)>
11105: $input =~ s/\"/\\\"/g; # Esacpe the "s....
11106: return $input;
11107: }
11108:
11109: # Escapes the last element of a full URL.
11110: sub escape_url {
11111: my ($url) = @_;
11112: my @urlslices = split(/\//, $url,-1);
11113: my $lastitem = &escape(pop(@urlslices));
11114: return join('/',@urlslices).'/'.$lastitem;
11115: }
11116:
11117: sub compare_arrays {
11118: my ($arrayref1,$arrayref2) = @_;
11119: my (@difference,%count);
11120: @difference = ();
11121: %count = ();
11122: if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) {
11123: foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
11124: foreach my $element (keys(%count)) {
11125: if ($count{$element} == 1) {
11126: push(@difference,$element);
11127: }
11128: }
11129: }
11130: return @difference;
11131: }
11132:
11133: # -------------------------------------------------------- Initialize user login
11134: sub init_user_environment {
11135: my ($r, $username, $domain, $authhost, $form, $args) = @_;
11136: my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'};
11137:
11138: my $public=($username eq 'public' && $domain eq 'public');
11139:
11140: # See if old ID present, if so, remove
11141:
11142: my ($filename,$cookie,$userroles);
11143: my $now=time;
11144:
11145: if ($public) {
11146: my $max_public=100;
11147: my $oldest;
11148: my $oldest_time=0;
11149: for(my $next=1;$next<=$max_public;$next++) {
11150: if (-e $lonids."/publicuser_$next.id") {
11151: my $mtime=(stat($lonids."/publicuser_$next.id"))[9];
11152: if ($mtime<$oldest_time || !$oldest_time) {
11153: $oldest_time=$mtime;
11154: $oldest=$next;
11155: }
11156: } else {
11157: $cookie="publicuser_$next";
11158: last;
11159: }
11160: }
11161: if (!$cookie) { $cookie="publicuser_$oldest"; }
11162: } else {
11163: # if this isn't a robot, kill any existing non-robot sessions
11164: if (!$args->{'robot'}) {
11165: opendir(DIR,$lonids);
11166: while ($filename=readdir(DIR)) {
11167: if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) {
11168: unlink($lonids.'/'.$filename);
11169: }
11170: }
11171: closedir(DIR);
11172: }
11173: # Give them a new cookie
11174: my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
11175: : $now.$$.int(rand(10000)));
11176: $cookie="$username\_$id\_$domain\_$authhost";
11177:
11178: # Initialize roles
11179:
11180: $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost);
11181: }
11182: # ------------------------------------ Check browser type and MathML capability
11183:
11184: my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
11185: $clientunicode,$clientos) = &decode_user_agent($r);
11186:
11187: # ------------------------------------------------------------- Get environment
11188:
11189: my %userenv = &Apache::lonnet::dump('environment',$domain,$username);
11190: my ($tmp) = keys(%userenv);
11191: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
11192: } else {
11193: undef(%userenv);
11194: }
11195: if (($userenv{'interface'}) && (!$form->{'interface'})) {
11196: $form->{'interface'}=$userenv{'interface'};
11197: }
11198: if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; }
11199:
11200: # --------------- Do not trust query string to be put directly into environment
11201: foreach my $option ('interface','localpath','localres') {
11202: $form->{$option}=~s/[\n\r\=]//gs;
11203: }
11204: # --------------------------------------------------------- Write first profile
11205:
11206: {
11207: my %initial_env =
11208: ("user.name" => $username,
11209: "user.domain" => $domain,
11210: "user.home" => $authhost,
11211: "browser.type" => $clientbrowser,
11212: "browser.version" => $clientversion,
11213: "browser.mathml" => $clientmathml,
11214: "browser.unicode" => $clientunicode,
11215: "browser.os" => $clientos,
11216: "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
11217: "request.course.fn" => '',
11218: "request.course.uri" => '',
11219: "request.course.sec" => '',
11220: "request.role" => 'cm',
11221: "request.role.adv" => $env{'user.adv'},
11222: "request.host" => $ENV{'REMOTE_ADDR'},);
11223:
11224: if ($form->{'localpath'}) {
11225: $initial_env{"browser.localpath"} = $form->{'localpath'};
11226: $initial_env{"browser.localres"} = $form->{'localres'};
11227: }
11228:
11229: if ($form->{'interface'}) {
11230: $form->{'interface'}=~s/\W//gs;
11231: $initial_env{"browser.interface"} = $form->{'interface'};
11232: $env{'browser.interface'}=$form->{'interface'};
11233: }
11234:
11235: my %is_adv = ( is_adv => $env{'user.adv'} );
11236: my %domdef = &Apache::lonnet::get_domain_defaults($domain);
11237:
11238: foreach my $tool ('aboutme','blog','portfolio') {
11239: $userenv{'availabletools.'.$tool} =
11240: &Apache::lonnet::usertools_access($username,$domain,$tool,'reload',
11241: undef,\%userenv,\%domdef,\%is_adv);
11242: }
11243:
11244: foreach my $crstype ('official','unofficial','community') {
11245: $userenv{'canrequest.'.$crstype} =
11246: &Apache::lonnet::usertools_access($username,$domain,$crstype,
11247: 'reload','requestcourses',
11248: \%userenv,\%domdef,\%is_adv);
11249: }
11250:
11251: $env{'user.environment'} = "$lonids/$cookie.id";
11252:
11253: if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id",
11254: &GDBM_WRCREAT(),0640)) {
11255: &_add_to_env(\%disk_env,\%initial_env);
11256: &_add_to_env(\%disk_env,\%userenv,'environment.');
11257: &_add_to_env(\%disk_env,$userroles);
11258: if (ref($args->{'extra_env'})) {
11259: &_add_to_env(\%disk_env,$args->{'extra_env'});
11260: }
11261: untie(%disk_env);
11262: } else {
11263: &Apache::lonnet::logthis("<span style=\"color:blue;\">WARNING: ".
11264: 'Could not create environment storage in lonauth: '.$!.'</span>');
11265: return 'error: '.$!;
11266: }
11267: }
11268: $env{'request.role'}='cm';
11269: $env{'request.role.adv'}=$env{'user.adv'};
11270: $env{'browser.type'}=$clientbrowser;
11271:
11272: return $cookie;
11273:
11274: }
11275:
11276: sub _add_to_env {
11277: my ($idf,$env_data,$prefix) = @_;
11278: if (ref($env_data) eq 'HASH') {
11279: while (my ($key,$value) = each(%$env_data)) {
11280: $idf->{$prefix.$key} = $value;
11281: $env{$prefix.$key} = $value;
11282: }
11283: }
11284: }
11285:
11286: # --- Get the symbolic name of a problem and the url
11287: sub get_symb {
11288: my ($request,$silent) = @_;
11289: (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
11290: my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
11291: if ($symb eq '') {
11292: if (!$silent) {
11293: $request->print("Unable to handle ambiguous references:$url:.");
11294: return ();
11295: }
11296: }
11297: &Apache::lonenc::check_decrypt(\$symb);
11298: return ($symb);
11299: }
11300:
11301: # --------------------------------------------------------------Get annotation
11302:
11303: sub get_annotation {
11304: my ($symb,$enc) = @_;
11305:
11306: my $key = $symb;
11307: if (!$enc) {
11308: $key =
11309: &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
11310: }
11311: my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
11312: return $annotation{$key};
11313: }
11314:
11315: sub clean_symb {
11316: my ($symb,$delete_enc) = @_;
11317:
11318: &Apache::lonenc::check_decrypt(\$symb);
11319: my $enc = $env{'request.enc'};
11320: if ($delete_enc) {
11321: delete($env{'request.enc'});
11322: }
11323:
11324: return ($symb,$enc);
11325: }
11326:
11327: sub build_release_hashes {
11328: my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
11329: return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
11330: (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
11331: (ref($randomizetry) eq 'HASH'));
11332: foreach my $key (keys(%Apache::lonnet::needsrelease)) {
11333: my ($item,$name,$value) = split(/:/,$key);
11334: if ($item eq 'parameter') {
11335: if (ref($checkparms->{$name}) eq 'ARRAY') {
11336: unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
11337: push(@{$checkparms->{$name}},$value);
11338: }
11339: } else {
11340: push(@{$checkparms->{$name}},$value);
11341: }
11342: } elsif ($item eq 'resourcetag') {
11343: if ($name eq 'responsetype') {
11344: $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
11345: }
11346: } elsif ($item eq 'course') {
11347: if ($name eq 'crstype') {
11348: $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
11349: }
11350: }
11351: }
11352: ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
11353: ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
11354: return;
11355: }
11356:
11357: =pod
11358:
11359: =back
11360:
11361: =cut
11362:
11363: 1;
11364: __END__;
11365:
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