1: # The LearningOnline Network with CAPA
2: # Handler for displaying the course catalog interface
3: #
4: # $Id: coursecatalog.pm,v 1.31 2008/06/20 13:45:12 bisitz 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: package Apache::coursecatalog;
30:
31: use strict;
32: use lib qw(/home/httpd/lib/perl);
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonhtmlcommon;
36: use Apache::lonnet;
37: use Apache::lonlocal;
38: use Apache::courseclassifier;
39: use Apache::lonacc;
40: use LONCAPA;
41:
42: sub handler {
43: my ($r) = @_;
44: &Apache::loncommon::content_type($r,'text/html');
45: $r->send_http_header;
46: if ($r->header_only) {
47: return OK;
48: }
49: my $handle = &Apache::lonnet::check_for_valid_session($r);
50: my $lonidsdir=$r->dir_config('lonIDsDir');
51: if ($handle ne '') {
52: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
53: }
54: &Apache::lonacc::get_posted_cgi($r);
55: &Apache::lonlocal::get_language_handle($r);
56: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sortby']);
57:
58: my $codedom = &Apache::lonnet::default_login_domain();
59:
60: if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) {
61: $codedom = $env{'user.domain'};
62: if ($env{'request.role.domain'} ne '') {
63: $codedom = $env{'request.role.domain'};
64: }
65: }
66: my $formname = 'coursecatalog';
67: if ($env{'form.showdom'} ne '') {
68: if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') {
69: $codedom = $env{'form.showdom'};
70: }
71: }
72: my $domdesc = &Apache::lonnet::domain($codedom,'description');
73: &Apache::lonhtmlcommon::clear_breadcrumbs();
74: if ($env{'form.coursenum'} ne '' && &user_is_known()) {
75: &course_details($r,$codedom,$formname,$domdesc);
76: } else {
77: my $catlinks = &category_breadcrumbs($codedom);
78: my $catjs = <<"ENDSCRIPT";
79:
80: function setCatDepth(depth) {
81: document.coursecats.catalog_maxdepth.value = depth;
82: document.coursecats.submit();
83: return;
84: }
85:
86: ENDSCRIPT
87: my $numtitles;
88: if ($env{'form.currcat_0'} eq 'instcode::0') {
89: $numtitles = &instcode_course_selector($r,$codedom,$formname,$domdesc,
90: $catlinks,$catjs);
91: if ($env{'form.state'} eq 'listing') {
92: $r->print(&print_course_listing($codedom,$numtitles));
93: }
94: } else {
95: my (%add_entries);
96: $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
97: &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks);
98: if ($env{'form.currcat_0'} ne '') {
99: $r->print(&print_course_listing($codedom));
100: }
101: }
102: }
103: $r->print(&Apache::loncommon::end_page());
104: return OK;
105: }
106:
107: sub course_details {
108: my ($r,$codedom,$formname,$domdesc) = @_;
109: my $output;
110: my %add_entries = (topmargin => "0",
111: marginheight => "0",);
112: my $start_page =
113: &Apache::loncommon::start_page('Course Catalog','',
114: {
115: 'add_entries' => \%add_entries,
116: 'no_inline_link' => 1,});
117: $r->print($start_page);
118: if ($env{'form.numtitles'} > 0) {
119: &Apache::lonhtmlcommon::add_breadcrumb
120: ({href=>"/adm/coursecatalog",
121: text=>"Select courses"});
122: }
123: &Apache::lonhtmlcommon::add_breadcrumb
124: ({href=>"javascript:document.$formname.submit()",
125: text=>"Course listing"},
126: {text=>"Course details"});
127: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Details'));
128: $r->print('<br />'.&mt('Detailed course information:').'<br /><br />'.
129: '<form name="'.$formname.'" method="post">'.
130: &print_course_listing($codedom).'<br /><br />');
131: $r->print('<a href = "javascript:document.coursecatalog.submit()">'.
132: &mt('Back to course listing').'</a>'.
133: '<input type="hidden" name="sortby" value="'.
134: $env{'form.sortby'}.'" />'.
135: '<input type="hidden" name="state" value="listing" /></form>');
136: }
137:
138: sub instcode_course_selector {
139: my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs) = @_;
140: my %coursecodes = ();
141: my %codes = ();
142: my @codetitles = ();
143: my %cat_titles = ();
144: my %cat_order = ();
145: my %idlist = ();
146: my %idnums = ();
147: my %idlist_titles = ();
148: my %by_year;
149: my %by_sem;
150: my %by_dept;
151: my %cat_items;
152: my $caller = 'global';
153: my $format_reply;
154: my $totcodes = 0;
155: my $jscript = '';
156: my ($numtitles,$lasttitle);
157: my %add_entries = (topmargin => "0",
158: marginheight => "0",);
159: my $js;
160: $totcodes = &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,$codedom);
161: if ($totcodes > 0) {
162: $format_reply = &Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,\%codes,\@codetitles,\%cat_titles,\%cat_order);
163: if ($format_reply eq 'ok') {
164: my $numtypes = @codetitles;
165: &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles);
166: my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles);
167: my $longtitles_str = join('","',@{$longtitles});
168: my $allidlist = $idlist{$codetitles[0]};
169: $numtitles = @codetitles;
170: $lasttitle = $numtitles;
171: if ($numtitles > 4) {
172: $lasttitle = 4;
173: }
174: if ($numtitles == 0) {
175: if (!defined($env{'form.state'})) {
176: $env{'form.state'} = 'listing';
177: }
178: } else {
179: my @data = ('top');
180: for (my $k=0; $k<$lasttitle; $k++) {
181: my $cat = $codetitles[$k];
182: my $level = 1;
183: $level = &recurse_options($codetitles[$k],$idlist{$codetitles[$k]},$level,$cat,\%cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
184: }
185: $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,\%cat_order,\@codetitles);
186: $jscript .= &javascript_select_filler($formname,$scripttext,\@codetitles,$longtitles_str,$allidlist);
187: if ($env{'form.state'} eq 'listing') {
188: $jscript .= '
189: function setElements() {
190: ';
191: for (my $i=0; $i<@codetitles-1; $i++) {
192: if ($env{'form.'.$codetitles[$i]} != -1) {
193: $jscript .= '
194: for (var j=0; j<document.'.$formname.'.'.$codetitles[$i].'.length; j++) {
195: if (document.'.$formname.'.'.$codetitles[$i].'[j].value == "'.$env{'form.'.$codetitles[$i]}.'") {
196: document.'.$formname.'.'.$codetitles[$i].'.selectedIndex = j;
197: }
198: }
199: ';
200: }
201: }
202: $jscript .= ' courseSet()'."\n";
203: if ($env{'form.'.$codetitles[-1]} != -1) {
204: $jscript .= '
205: for (var j=0; j<document.'.$formname.'.'.$codetitles[-1].'.length; j++) {
206: if (document.'.$formname.'.'.$codetitles[-1].'[j].value == "'.$env{'form.'.$codetitles[-1]}.'") {
207: document.'.$formname.'.'.$codetitles[-1].'.selectedIndex = j;
208: }
209: }
210: ';
211: }
212: $jscript .= '}';
213: }
214: }
215: if ($env{'form.state'} eq 'listing') {
216: $jscript .= qq|
217: function changeSort(caller) {
218: document.$formname.sortby.value = caller;
219: document.$formname.submit();
220: }
221: function setCourseId(caller) {
222: document.$formname.coursenum.value = caller;
223: document.$formname.submit();
224: }\n|;
225: }
226: }
227: $js = '<script type"text/javascript">'."\n$jscript\n$catjs\n".
228: '</script>';
229: if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) {
230: $add_entries{'onLoad'} = 'setElements()';
231: }
232: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
233: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
234: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
235: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
236: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
237: '<input type="hidden" name="currcat_0" value="instcode::0" />');
238: if ($numtitles > 0) {
239: $r->print('<br /><b>'.&mt('Choose which course(s) to list.').'</b><br />');
240: $r->print('<table><tr>');
241: for (my $k=0; $k<$lasttitle-1; $k++) {
242: my (@items,@unsorted);
243: if (ref($cat_items{$codetitles[$k]}) eq 'ARRAY') {
244: @unsorted = @{$cat_items{$codetitles[$k]}};
245: }
246: &Apache::courseclassifier::sort_cats($k,\%cat_order,\@codetitles,\@unsorted,\@items);
247: my @longitems;
248: if (defined($cat_titles{$codetitles[$k]})) {
249: foreach my $item (@items) {
250: push(@longitems,$cat_titles{$codetitles[$k]}{$item});
251: }
252: } else {
253: @longitems = @items;
254: }
255: $r->print('<td align="center">'.$codetitles[$k].'<br />'."\n".
256: '<select name="'.$codetitles[$k].'" onChange="courseSet()"');
257: $r->print('>'."\n".'<option value="0" />All'."\n");
258: for (my $i=0; $i<@items; $i++) {
259: if ($longitems[$i] eq '') {
260: $longitems[$i] = $items[$i];
261: }
262: $r->print(' <option value="'.$items[$i].'">'.$longitems[$i].'</option>');
263: }
264: $r->print('</select></td>');
265: }
266: $r->print('<td align="center">'.$codetitles[$lasttitle-1].'<br />'."\n".
267: '<select name="'.$codetitles[$lasttitle-1].'">'."\n".
268: '<option value="0">All'."\n".
269: '</option>'."\n".'</select>'."\n".
270: '</td>'
271: );
272: my $show_selfenroll_status;
273: if ($env{'form.showselfenroll'}) {
274: $show_selfenroll_status = 'checked="checked" ';
275: }
276: if (&user_is_dc($codedom)) {
277: my $showdetails_status;
278: if ($env{'form.showdetails'}) {
279: $showdetails_status = 'checked="checked" ';
280: }
281: $r->print('<td></td><td><label><input type="checkbox" name="showdetails" value="1" '.$showdetails_status.'/>'.&mt('Show full details for each course (DC only)').'</label><br /><label><input type="checkbox" name="showselfenroll" value="1" '.$show_selfenroll_status.'/>'.&mt('Only show courses which allow self-enrollment').'</label></td>');
282: } else {
283: $r->print('<td></td><td><br /><label><input type="checkbox" name="showselfenroll" value="1" '.$show_selfenroll_status.'/>'.&mt('Only show courses which allow self-enrollment').'</label></td>');
284: }
285: $r->print('</tr></table>');
286: if ($numtitles > 4) {
287: $r->print('<br /><br />'.$codetitles[$numtitles-1].'<br />'."\n".
288: '<input type="text" name="'.$codetitles[$numtitles-1].'" /><br />'."\n");
289: }
290: $r->print('<br />');
291: }
292: $r->print('<input type="hidden" name="coursenum" value="" /><input type="hidden" name="sortby" value="" /><input type="hidden" name="state" value="listing" /><input type="hidden" name="form.currcat_0" value="instcode::0" />');
293: if ($numtitles > 0) {
294: $r->print('<input type="submit" name="catalogfilter" value="'.&mt('Display courses').'" />');
295: }
296: $r->print('<input type="hidden" name="numtitles" value="'.
297: $numtitles.'" /></form>');
298: if (($numtitles > 0) && ($env{'form.state'} eq 'listing')) {
299: $r->print('<br />');
300: }
301: } else {
302: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
303: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
304: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
305: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
306: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
307: '<input type="hidden" name="currcat_0" value="instcode::0" />');
308: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc).'</form>');
309: }
310: return $numtitles;
311: }
312:
313: sub cat_header {
314: my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles) = @_;
315: my $start_page =
316: &Apache::loncommon::start_page('Course Catalog',$js,
317: {
318: 'add_entries' => $add_entries,
319: 'no_inline_link' => 1,});
320: $r->print($start_page);
321: if ($env{'form.state'} eq 'listing') {
322: if ($numtitles > 0) {
323: &Apache::lonhtmlcommon::add_breadcrumb
324: ({href=>"/adm/coursecatalog",
325: text=>"Select courses"},
326: {text=>"Course listing"});
327: } else {
328: &Apache::lonhtmlcommon::add_breadcrumb
329: ({text=>"Course listing"});
330: }
331: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Listing'));
332: } else {
333: &Apache::lonhtmlcommon::add_breadcrumb
334: ({href=>"/adm/coursecatalog",
335: text=>"Select courses"});
336: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Select courses'));
337: }
338: $r->print('<table border="0"><tr>'.
339: '<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
340: '<td><b>'.&mt('Domain:').'</b></td><td>'.
341: &Apache::loncommon::select_dom_form($codedom,'showdom','',1).
342: ' <input type="submit" name="godom" value="Go"></td></form></tr><tr>'.
343: '<form name="coursecats" method="post" action="/adm/coursecatalog">'.
344: $catlinks.'</form></tr></table>');
345: return;
346: }
347:
348: sub category_breadcrumbs {
349: my ($dom) = @_;
350: my %domconfig =
351: &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
352: my (@cats,@trails,%allitems,%idx,@jsarray);
353: &Apache::loncommon::extract_categories($domconfig{'coursecategories'},\@cats,\@trails,
354: \%allitems,\%idx,\@jsarray);
355: my $currdepth = 0;
356: my $deeper = 0;
357: my $currcat_str;
358: if ($env{'form.catalog_maxdepth'} ne '') {
359: $currdepth = $env{'form.catalog_maxdepth'};
360: if ($env{'form.currcat_'.$currdepth} eq '') {
361: $deeper = $currdepth;
362: } else {
363: $deeper = $currdepth + 1;
364: }
365: }
366: $currcat_str = '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" /><input type="hidden" name="showdom" value="'.$dom.'" />';
367: my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr>';
368: for (my $i=0; $i<$deeper; $i++) {
369: $currcat_str .= '<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />';
370: my ($cattitle,$shallower);
371: if ($i == 0) {
372: $cattitle = &mt('Main Categories');
373: } else {
374: $shallower = $i-1;
375: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
376: $cattitle = $cat;
377: }
378: $catlinks .= '<td valign="top"><a href="javascript:setCatDepth('."'$shallower'".')">'.$cattitle.'</a>-></td>';
379: }
380: if ($deeper == 0) {
381: $catlinks .= '<td>'.&mt('Main Categories').': ';
382: if (ref($cats[0]) eq 'ARRAY') {
383: if ((@{$cats[0]} == 1) && ($cats[0][0] eq 'instcode')) {
384: $catlinks .= &mt('Official courses (with institutional codes)').
385: '<input type="hidden" name="currcat_0" value="instcode::0">';
386: $env{'form.currcat_0'} = 'instcode::0';
387: } else {
388: $catlinks .= '<select name="currcat_0">'."\n";
389: if (@{$cats[0]} > 1) {
390: my $selstr;
391: if ($env{'form.currcat_0'} eq '') {
392: $selstr = ' selected="selected" ';
393: }
394: $catlinks .= '<option value=""'.$selstr.'>'.&mt('Select').'</option>'."\n";
395: }
396: for (my $i=0; $i<@{$cats[0]}; $i++) {
397: my $name = $cats[0][$i];
398: my $item = &escape($name).'::0';
399: my $selstr;
400: if ($env{'form.currcat_'.$i} eq $item) {
401: $selstr = ' selected="selected" ';
402: }
403: $catlinks .= '<option value="'.$item.'"'.$selstr.'>';
404: if ($name eq 'instcode') {
405: $catlinks .= &mt('Official courses (with institutional codes)');
406: } else {
407: $catlinks .= $name;
408: }
409: $catlinks .= '</option>'."\n";
410: }
411: $catlinks .= '</select>'."\n".
412: ' <input type="submit" name="gocats" value="Go" />';
413: }
414: } else {
415: $catlinks .= &mt('Official courses (with institutional codes)').
416: '<input type="hidden" name="currcat_0" value="instcode::0">';
417: $env{'form.currcat_0'} = 'instcode::0';
418: }
419: } else {
420: my ($cat,$container,$depth);
421: if ($env{'form.currcat_'.$currdepth} eq '') {
422: my $shallower = $currdepth - 1;
423: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
424: } else {
425: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth});
426: }
427: my $deeper = $depth +1;
428: my $currcat = $cat;
429: if ($cat eq 'instcode') {
430: $currcat = &mt('Official courses (with institutional codes)');
431: }
432: $catlinks .= '<td>'.$currcat;
433: if (ref($cats[$deeper]{$cat}) eq 'ARRAY') {
434: $catlinks .= ': <select name="currcat_'.$deeper.'">'.
435: '<option value="" selected="selected">'.&mt('Select').'</option>';
436: for (my $k=0; $k<@{$cats[$deeper]{$cat}}; $k++) {
437: my $name = $cats[$deeper]{$cat}[$k];
438: my $item = &escape($name).':'.&escape($cat).':'.$deeper;
439: $catlinks .= '<option value="'.$item.'">'.$name.'</option>'."\n";
440: }
441: $catlinks .= '</select>'."\n".
442: ' <input type="submit" name="gocats" value="Go" />';
443: }
444: }
445: $catlinks .= $currcat_str.'</td></tr></table></td>';
446: return $catlinks;
447: }
448:
449: sub user_is_dc {
450: my ($codedom) = @_;
451: if (exists($env{'user.role.dc./'.$codedom.'/'})) {
452: my $livedc = 1;
453: my $now = time;
454: my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
455: if ($start && $start>$now) { $livedc = 0; }
456: if ($end && $end <$now) { $livedc = 0; }
457: return $livedc;
458: }
459: return;
460: }
461:
462: sub recurse_options {
463: my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
464: if (ref($currlist) eq 'HASH') {
465: $level ++;
466: foreach my $key (sort(keys(%{$currlist}))) {
467: $$data[$level-1]= $key;
468: &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
469: }
470: } else {
471: $level --;
472: my @contents = split(/","/,$currlist);
473: foreach my $item (@contents) {
474: if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
475: push(@{$cat_options->{$cat}},$item);
476: }
477: if ($level == 3) {
478: if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
479: push(@{$by_year->{$data->[1]}->{$currkey}},$item);
480: }
481: if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
482: push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
483: }
484: if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
485: push(@{$by_dept->{$currkey}},$item);
486: }
487:
488: }
489: }
490: }
491: return $level;
492: }
493:
494: sub build_javascript {
495: my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
496: my @unsorted = keys(%{$by_year});
497: my @sorted_yrs;
498: &Apache::courseclassifier::sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
499: my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
500: 'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
501: 'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
502: for (my $i=0; $i<@sorted_yrs; $i++) {
503: my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
504: $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
505: if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
506: @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
507: my @sorted_depts;
508: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
509: $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
510: for (my $j=0; $j<@sorted_depts; $j++) {
511: $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
512: $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
513: }
514: }
515: }
516: @unsorted = keys(%{$by_sem});
517: my @sorted_sems;
518: &Apache::courseclassifier::sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
519: $output .= 'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
520: 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
521: 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
522: for (my $i=0; $i<@sorted_sems; $i++) {
523: my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
524: $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
525: if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
526: @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
527: my @sorted_depts;
528: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
529: $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
530: for (my $j=0; $j<@sorted_depts; $j++) {
531: $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
532: }
533: }
534: }
535: @unsorted = keys(%{$by_dept});
536: my @sorted_deps;
537: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
538: $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
539: for (my $k=0; $k<@sorted_deps; $k++) {
540: $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
541: }
542: return $output;
543: }
544:
545: sub search_official_courselist {
546: my ($domain,$numtitles) = @_;
547: my $instcode;
548: if (defined($numtitles) && $numtitles == 0) {
549: $instcode = '.+';
550: } else {
551: my (%codedefaults,@code_order);
552: my $defaults_result =
553: &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
554: \@code_order);
555: if ($defaults_result eq 'ok') {
556: $instcode ='^';
557: foreach my $item (@code_order) {
558: if ($env{'form.'.$item} eq '0' ) {
559: $instcode .= $codedefaults{$item};
560: } else {
561: $instcode .= $env{'form.'.$item};
562: }
563: }
564: $instcode .= '$';
565: } else {
566: $instcode = '.';
567: }
568: }
569: my %courses = &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',
570: undef,undef,'Course',1,
571: $env{'form.showselfenroll'});
572: return %courses;
573: }
574:
575: sub search_courselist {
576: my ($domain) = @_;
577: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
578: my $filter = $env{'form.currcat_'.$cat_maxdepth};
579: if (($filter eq '') && ($cat_maxdepth > 0)) {
580: my $shallower = $cat_maxdepth - 1;
581: $filter = $env{'form.currcat_'.$shallower};
582: }
583: my %courses;
584: if ($filter ne '') {
585: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',
586: undef,undef,'Course',1,
587: $env{'form.showselfenroll'},$filter);
588: }
589: return %courses;
590: }
591:
592: sub print_course_listing {
593: my ($domain,$numtitles) = @_;
594: my $output;
595: my %courses;
596: my $knownuser = &user_is_known();
597: my $details = $env{'form.coursenum'};
598: if (&user_is_dc($domain)) {
599: if ($env{'form.showdetails'}) {
600: $details = 1;
601: }
602: }
603: if ($env{'form.coursenum'} ne '') {
604: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
605: $env{'form.coursenum'},
606: undef,undef,'Course',1);
607: if (keys(%courses) == 0) {
608: $output .= &mt('The courseID provided does not match a course in this domain.');
609: return $output;
610: }
611: } else {
612: if ($env{'form.currcat_0'} eq 'instcode::0') {
613: %courses = &search_official_courselist($domain,$numtitles);
614: } else {
615: %courses = &search_courselist($domain);
616: }
617: if (keys(%courses) == 0) {
618: $output = &mt('No courses match the criteria you selected.');
619: return $output;
620: }
621: if ($knownuser && !$env{'form.showdetails'}) {
622: $output = '<b>'.&mt('Note for students:').'</b> '
623: .&mt('If you are officially enrolled in a course but the course is not listed in your LON-CAPA courses, click the "Show more details" link for the specific course and check the default access dates and/or automated enrollment settings.')
624: .'<br /><br />';
625: }
626: }
627: my $now = time;
628: my %domconfig =
629: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
630: $output .= &construct_data_table($knownuser,\%courses,$details,undef,$now,\%domconfig);
631: $output .= &Apache::lonhtmlcommon::echo_form_input(['coursenum','state','catalogfilter','sortby','showdetails']);
632: return $output;
633: }
634:
635: sub construct_data_table {
636: my ($knownuser,$courses,$details,$usersections,$now,$domconfig) = @_;
637: my %sortname;
638: if (($details eq '') || ($env{'form.showdetails'})) {
639: $sortname{'Code'} = 'code';
640: $sortname{'Title'} = 'title';
641: $sortname{'Owner(s)'} = 'owner';
642: }
643: my $output = &Apache::loncommon::start_data_table().
644: &Apache::loncommon::start_data_table_header_row();
645: my @coltitles = ('Count','Code','Sections','Crosslisted','Title','Owner(s)');
646: if (ref($usersections) eq 'HASH') {
647: $coltitles[1] = 'Your Section';
648: }
649: foreach my $item (@coltitles) {
650: $output .= '<th>';
651: if (defined($sortname{$item})) {
652: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
653: } elsif ($item eq 'Count') {
654: $output .= ' ';
655: } else {
656: $output .= &mt($item);
657: }
658: $output .= '</th>';
659: }
660: if ($knownuser) {
661: if ($details) {
662: $output .=
663: '<th>'.&mt('Default Access Dates for Students').'</th>'.
664: '<th>'.&mt('Student Counts').'</th>'.
665: '<th>'.&mt('Auto-enrollment of <br />registered students').'</th>';
666: } else {
667: $output .= '<th>'.&mt('Details').'</th>';
668: }
669: }
670: $output .= '<th>'.&mt('Self-enroll (if permitted)').'</th>';
671: &Apache::loncommon::end_data_table_header_row();
672: my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$details,
673: $usersections);
674: my %Sortby;
675: foreach my $course (sort(keys(%{$courses}))) {
676: if ($env{'form.sortby'} eq 'code') {
677: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
678: } elsif ($env{'form.sortby'} eq 'owner') {
679: push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course);
680: } else {
681: my $clean_title = $courseinfo{$course}{'title'};
682: $clean_title =~ s/\W+//g;
683: if ($clean_title eq '') {
684: $clean_title = $courseinfo{$course}{'title'};
685: }
686: push(@{$Sortby{$clean_title}},$course);
687: }
688: }
689: my @sorted_courses;
690: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner')) {
691: @sorted_courses = sort(keys(%Sortby));
692: } else {
693: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
694: }
695: my $count = 1;
696: foreach my $item (@sorted_courses) {
697: foreach my $course (@{$Sortby{$item}}) {
698: $output.=&Apache::loncommon::start_data_table_row();
699: $output.=&courseinfo_row($courseinfo{$course},$knownuser,
700: $details,\$count,$now,$course);
701: $output.=&Apache::loncommon::end_data_table_row();
702: }
703: }
704: $output .= &Apache::loncommon::end_data_table();
705: return $output;
706: }
707:
708: sub build_courseinfo_hash {
709: my ($courses,$knownuser,$details,$usersections) = @_;
710: my %courseinfo;
711: my $now = time;
712: foreach my $course (keys(%{$courses})) {
713: my $descr;
714: if (ref($courses->{$course}) eq 'HASH') {
715: $descr = $courses->{$course}{'description'};
716: }
717: my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
718: $cleandesc=~s/'/\\'/g;
719: $cleandesc =~ s/^\s+//;
720: my ($cdom,$cnum)=split(/\_/,$course);
721: my ($descr,$instcode,$singleowner,$ttype,$selfenroll_types,
722: $selfenroll_start,$selfenroll_end,@owners,%ownernames);
723: if (ref($courses->{$course}) eq 'HASH') {
724: $descr = $courses->{$course}{'description'};
725: $instcode = $courses->{$course}{'inst_code'};
726: $singleowner = $courses->{$course}{'owner'};
727: $ttype = $courses->{$course}{'type'};
728: $selfenroll_types = $courses->{$course}{'selfenroll_types'};
729: $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
730: $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
731: push(@owners,$singleowner);
732: if (ref($courses->{$course}{'co-owners'}) eq 'ARRAY') {
733: foreach my $item (@{$courses->{$course}{'co-owners'}}) {
734: push(@owners,$item);
735: }
736: }
737: }
738: foreach my $owner (@owners) {
739: my ($ownername,$ownerdom) = @_;
740: if ($owner =~ /:/) {
741: ($ownername,$ownerdom) = split(/:/,$owner);
742: } else {
743: $ownername = $owner;
744: if ($owner ne '') {
745: $ownerdom = $cdom;
746: }
747: }
748: if ($ownername ne '' && $ownerdom ne '') {
749: my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom);
750: $ownernames{$ownername.':'.$ownerdom} = \%namehash;
751: }
752: }
753: $courseinfo{$course}{'cdom'} = $cdom;
754: $courseinfo{$course}{'cnum'} = $cnum;
755: $courseinfo{$course}{'code'} = $instcode;
756: my @lastnames;
757: foreach my $owner (keys(%ownernames)) {
758: if (ref($ownernames{$owner}) eq 'HASH') {
759: push(@lastnames,$ownernames{$owner}{'lastname'});
760: }
761: }
762: $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames));
763: $courseinfo{$course}{'title'} = $cleandesc;
764: $courseinfo{$course}{'owner'} = $singleowner;
765: $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types;
766: $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
767: $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
768:
769: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
770: my @classids;
771: my @crosslistings;
772: my ($seclist,$numsec) =
773: &identify_sections($coursehash{'internal.sectionnums'});
774: if (ref($usersections) eq 'HASH') {
775: if (ref($usersections->{$course}) eq 'ARRAY') {
776: $seclist = join(', ',@{$usersections->{$course}});
777: }
778: }
779: $courseinfo{$course}{'seclist'} = $seclist;
780: my ($xlist_items,$numxlist) =
781: &identify_sections($coursehash{'internal.crosslistings'});
782: my $showsyllabus = 1; # default is to include a syllabus link
783: if (defined($coursehash{'showsyllabus'})) {
784: $showsyllabus = $coursehash{'showsyllabus'};
785: }
786: $courseinfo{$course}{'showsyllabus'} = $showsyllabus;
787: if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
788: ($knownuser && ($details == 1))) {
789: $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum,$numsec);
790: $courseinfo{$course}{'autoenrollment'} =
791: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
792: $instcode,\@owners,$cdom,$cnum);
793:
794: my $startaccess = '';
795: my $endaccess = '';
796: my $accessdates;
797: if ( defined($coursehash{'default_enrollment_start_date'}) ) {
798: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
799: }
800: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
801: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
802: if ($coursehash{'default_enrollment_end_date'} == 0) {
803: $endaccess = "No ending date";
804: }
805: }
806: if ($startaccess) {
807: $accessdates .= &mt('<i>From:</i> ').$startaccess.'<br />';
808: }
809: if ($endaccess) {
810: $accessdates .= &mt('<i>To:</i> ').$endaccess.'<br />';
811: }
812: $courseinfo{$course}{'access'} = $accessdates;
813: }
814: if ($xlist_items eq '') {
815: $xlist_items = &mt('No');
816: }
817: $courseinfo{$course}{'xlist'} = $xlist_items;
818: }
819: return %courseinfo;
820: }
821:
822: sub count_students {
823: my ($cdom,$cnum,$numsec) = @_;
824: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
825: my %student_count = (
826: Active => 0,
827: Future => 0,
828: Expired => 0,
829: );
830: my %idx;
831: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
832: my %status_title = &Apache::lonlocal::texthash(
833: Expired => 'Previous access',
834: Active => 'Current access',
835: Future => 'Future access',
836: );
837:
838: while (my ($student,$data) = each(%$classlist)) {
839: $student_count{$data->[$idx{'status'}]} ++;
840: }
841:
842: my $countslist = &mt('[quant,_1,section]',$numsec).':<br />';
843: foreach my $status ('Active','Future') {
844: $countslist .= '<nobr>'.$status_title{$status}.': '.
845: $student_count{$status}.'</nobr><br />';
846: }
847: return $countslist;
848: }
849:
850: sub courseinfo_row {
851: my ($info,$knownuser,$details,$countref,$now,$course) = @_;
852: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
853: $accessdates,$showsyllabus,$counts,$autoenrollment,$output);
854: if (ref($info) eq 'HASH') {
855: $cdom = $info->{'cdom'};
856: $cnum = $info->{'cnum'};
857: $title = $info->{'title'};
858: $ownerlast = $info->{'ownerlastnames'};
859: $code = $info->{'code'};
860: $owner = $info->{'owner'};
861: $seclist = $info->{'seclist'};
862: $xlist_items = $info->{'xlist'};
863: $accessdates = $info->{'access'};
864: $counts = $info->{'counts'};
865: $autoenrollment = $info->{'autoenrollment'};
866: $showsyllabus = $info->{'showsyllabus'};
867: } else {
868: $output = '<td colspan="8">'.&mt('No information available for [_1].',
869: $code).'</td>';
870: return $output;
871: }
872: $output .= '<td>'.$$countref.'</td>'.
873: '<td>'.$code.'</td>'.
874: '<td>'.$seclist.'</td>'.
875: '<td>'.$xlist_items.'</td>'.
876: '<td>'.$title.' <font size="-2">';
877: if ($showsyllabus) {
878: $output .= &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$cnum,$cdom);
879: } else {
880: $output .= ' ';
881: }
882: $output .= '</font></td>'.
883: '<td>'.$ownerlast.'</td>';
884: if ($knownuser) {
885: if ($details) {
886: $output .=
887: '<td>'.$accessdates.'</td>'.
888: '<td>'.$counts.'</td>'.
889: '<td>'.$autoenrollment.'</td>';
890: } else {
891: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>';
892: }
893: }
894: my $selfenroll;
895: if ($info->{'selfenroll_types'}) {
896: my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'});
897: my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'});
898: if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) {
899: if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) {
900: $output .= '<td>'.&mt('Starts: [_1]','<span class="LC_cusr_emph">'.$showstart.'</span>').'<br />'.&mt('Ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>').'</td>';
901: } else {
902: $output .= '<td><a href="/adm/selfenroll?cid='.$course.'">'.&mt('Enroll in course').'</a></td>';
903: }
904: $selfenroll = 1;
905: }
906: }
907: if (!$selfenroll) {
908: $output .= '<td> </td>';
909: }
910: $$countref ++;
911: return $output;
912: }
913:
914: sub identify_sections {
915: my ($seclist) = @_;
916: my @secnums;
917: if ($seclist =~ /,/) {
918: my @sections = split(/,/,$seclist);
919: foreach my $sec (@sections) {
920: $sec =~ s/:[^:]*$//;
921: push(@secnums,$sec);
922: }
923: } else {
924: if ($seclist =~ m/^([^:]+):/) {
925: my $sec = $1;
926: if (!grep(/^\Q$sec\E$/,@secnums)) {
927: push(@secnums,$sec);
928: }
929: }
930: }
931: @secnums = sort {$a <=> $b} @secnums;
932: my $seclist = join(', ',@secnums);
933: my $numsec = @secnums;
934: return ($seclist,$numsec);
935: }
936:
937: sub get_valid_classes {
938: my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
939: my $response;
940: my %validations;
941: @{$validations{'sections'}} = ();
942: @{$validations{'xlists'}} = ();
943: my $totalitems = 0;
944: if ($seclist) {
945: foreach my $sec (split(/, /,$seclist)) {
946: my $class = $crscode.$sec;
947: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
948: $class) eq 'ok') {
949: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
950: push(@{$validations{'sections'}},$sec);
951: $totalitems ++;
952: }
953: }
954: }
955: }
956: if ($xlist_items) {
957: foreach my $item (split(/, /,$xlist_items)) {
958: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
959: $item) eq 'ok') {
960: if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
961: push(@{$validations{'xlists'}},$item);
962: $totalitems ++;
963: }
964: }
965: }
966: }
967: if ($totalitems > 0) {
968: if (@{$validations{'sections'}}) {
969: $response = &mt('Sections: ').
970: join(', ',@{$validations{'sections'}}).'<br />';
971: }
972: if (@{$validations{'xlists'}}) {
973: $response .= &mt('Courses: ').
974: join(', ',@{$validations{'xlists'}});
975: }
976: }
977: return $response;
978: }
979:
980: sub javascript_select_filler {
981: my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist) = @_;
982: my $output = <<END;
983: function courseSet() {
984: var longtitles = new Array ("$longtitles_str");
985: var valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value
986: var valsem = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value
987: var valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value
988: var valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value
989: var idyears = new Array("$allidlist");
990: var idyr = -1;
991: var idsem = -1;
992: var iddept = -1;
993: document.$formname.Number.length = 0;
994:
995: $scripttext
996:
997: selYear = document.$formname.Year.selectedIndex-1;
998: selSemester = document.$formname.Semester.selectedIndex-1;
999: selDepartment = document.$formname.Department.selectedIndex-1;
1000: if (selYear == -1) {
1001: if (selSemester == -1) {
1002: if (selDepartment > -1) {
1003: document.$formname.Number.options[0] = new Option('All','0',false,false);
1004: for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
1005: document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
1006:
1007: }
1008: }
1009: else {
1010: document.$formname.Number.options[0] = new Option("All","0",true,true);
1011: }
1012: }
1013: else {
1014: if (selDepartment > -1) {
1015: for (var i=0; i<idcse_by_sem_sems.length; i++) {
1016: if (idcse_by_sem_sems[i] == valsem) {
1017: idsem = i;
1018: }
1019: }
1020: if (idsem != -1) {
1021: for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
1022: if (idcse_by_sem_dept[idsem][i] == valdept) {
1023: iddept = i;
1024: }
1025: }
1026: }
1027: if (iddept != -1) {
1028: document.$formname.Number.options[0] = new Option('All','0',false,false);
1029: for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
1030: document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
1031: }
1032: }
1033: else {
1034: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1035: }
1036: }
1037: else {
1038: document.$formname.Number.options[0] = new Option("All","0",true,true);
1039: }
1040: }
1041: }
1042: else {
1043: if (selSemester == -1) {
1044: if (selDepartment > -1) {
1045: for (var i=0; i<idcse_by_yr_year.length; i++) {
1046: if (idcse_by_yr_year[i] == valyr) {
1047: idyr = i;
1048: }
1049: }
1050: if (idyr != -1) {
1051: for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
1052: if (idcse_by_yr_dept[idyr][i] == valdept) {
1053: iddept = i;
1054: }
1055: }
1056: }
1057: if (iddept != -1) {
1058: document.$formname.Number.options[0] = new Option('All','0',false,false);
1059: for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
1060: document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
1061: }
1062: }
1063: else {
1064: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1065: }
1066: }
1067: else {
1068: document.$formname.Number.options[0] = new Option("All","0",true,true);
1069: }
1070: }
1071: else {
1072: if (selDepartment > -1) {
1073: for (var k=0; k<idyears.length; k++) {
1074: if (idyears[k] == valyr) {
1075: idyr = k;
1076: }
1077: }
1078: if (idyr != -1) {
1079: for (var k=0; k<idsems[idyr].length; k++) {
1080: if (idsems[idyr][k] == valsem) {
1081: idsem = k;
1082: }
1083: }
1084: }
1085: if (idsem != -1) {
1086: for (var k=0; k<idcodes[idyr][idsem].length; k++) {
1087: if (idcodes[idyr][idsem][k] == valdept) {
1088: iddept = k;
1089: }
1090: }
1091: }
1092: if (iddept != -1) {
1093: document.$formname.Number.options[0] = new Option('All','0',false,false);
1094: for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
1095: var display = idcourses[idyr][idsem][iddept][i];
1096: if (longtitles[3] == 1) {
1097: if (idcourseslongs[idyr][idsem][iddept][i] != "") {
1098: display = idcourseslongs[idyr][idsem][iddept][i]
1099: }
1100: }
1101: document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
1102: }
1103: }
1104: else {
1105: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1106: }
1107: }
1108: else {
1109: document.$formname.Number.options[0] = new Option('All','0',true,true);
1110: }
1111: }
1112: document.$formname.Number.selectedIndex = 0
1113: }
1114: }
1115: END
1116: return $output;
1117: }
1118:
1119: sub autoenroll_info {
1120: my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_;
1121: my $autoenrolldates = &mt('Not enabled');
1122: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) {
1123: my ($autostart,$autoend);
1124: if ( defined($coursehash->{'internal.autostart'}) ) {
1125: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'});
1126: }
1127: if ( defined($coursehash->{'internal.autoend'}) ) {
1128: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'});
1129: }
1130: if ($coursehash->{'internal.autostart'} > $now) {
1131: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1132: $autoenrolldates = &mt('Not enabled');
1133: } else {
1134: my $valid_classes =
1135: &get_valid_classes($seclist,$xlist_items,$code,
1136: $owners,$cdom,$cnum);
1137: if ($valid_classes ne '') {
1138: $autoenrolldates = &mt('Not enabled<br />Starts: ').
1139: $autostart.'<br />'.$valid_classes; }
1140: }
1141: } else {
1142: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1143: $autoenrolldates = &mt('Not enabled<br />Ended: ').$autoend;
1144: } else {
1145: my $valid_classes = &get_valid_classes($seclist,$xlist_items,
1146: $code,$owners,$cdom,$cnum);
1147: if ($valid_classes ne '') {
1148: $autoenrolldates = &mt('Currently enabled<br />').
1149: $valid_classes;
1150: }
1151: }
1152: }
1153: }
1154: return $autoenrolldates;
1155: }
1156:
1157: sub user_is_known {
1158: my $known = 0;
1159: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
1160: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
1161: $known = 1;
1162: }
1163: return $known;
1164: }
1165:
1166: 1;
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