Annotation of loncom/interface/coursecatalog.pm, revision 1.37
1.17 albertel 1: # The LearningOnline Network with CAPA
2: # Handler for displaying the course catalog interface
3: #
1.37 ! raeburn 4: # $Id: coursecatalog.pm,v 1.36 2008/07/07 15:20:18 raeburn Exp $
1.1 raeburn 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;
1.7 raeburn 35: use Apache::lonhtmlcommon;
1.1 raeburn 36: use Apache::lonnet;
37: use Apache::lonlocal;
1.6 raeburn 38: use Apache::courseclassifier;
1.1 raeburn 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: }
1.21 albertel 49: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.8 raeburn 50: my $lonidsdir=$r->dir_config('lonIDsDir');
1.21 albertel 51: if ($handle ne '') {
1.8 raeburn 52: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
53: }
1.1 raeburn 54: &Apache::lonacc::get_posted_cgi($r);
55: &Apache::lonlocal::get_language_handle($r);
56: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sortby']);
1.28 raeburn 57:
58: my $codedom = &Apache::lonnet::default_login_domain();
1.19 raeburn 59:
60: if (($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: }
1.7 raeburn 66: my $formname = 'coursecatalog';
1.28 raeburn 67: if ($env{'form.showdom'} ne '') {
68: if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') {
69: $codedom = $env{'form.showdom'};
70: }
71: }
1.20 albertel 72: my $domdesc = &Apache::lonnet::domain($codedom,'description');
1.7 raeburn 73: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.35 raeburn 74:
75: my %domconfig =
76: &Apache::lonnet::get_dom('configuration',['coursecategories'],$codedom);
1.36 raeburn 77: my (@cats,@trails,%allitems,%idx,@jsarray,%subcathash,$cathash);
1.35 raeburn 78: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
79: $cathash = $domconfig{'coursecategories'}{'cats'};
80: } else {
81: $cathash = {};
82: }
1.36 raeburn 83: my $subcats;
84: if ($env{'form.withsubcats'}) {
85: $subcats = \%subcathash;
86: }
1.35 raeburn 87: &Apache::loncommon::extract_categories($cathash,\@cats,\@trails,\%allitems,
1.36 raeburn 88: \%idx,\@jsarray,$subcats);
1.8 raeburn 89: if ($env{'form.coursenum'} ne '' && &user_is_known()) {
1.35 raeburn 90: &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems);
1.7 raeburn 91: } else {
1.36 raeburn 92: my ($catlinks,$has_subcats) = &category_breadcrumbs($codedom,@cats);
1.28 raeburn 93: my $catjs = <<"ENDSCRIPT";
94:
95: function setCatDepth(depth) {
96: document.coursecats.catalog_maxdepth.value = depth;
1.36 raeburn 97: if (depth == '') {
98: document.coursecats.currcat_0.value = '';
99: }
1.28 raeburn 100: document.coursecats.submit();
101: return;
102: }
103:
1.33 raeburn 104: function changeSort(caller) {
105: document.$formname.sortby.value = caller;
106: document.$formname.submit();
107: }
108: function setCourseId(caller) {
109: document.$formname.coursenum.value = caller;
110: document.$formname.submit();
1.37 ! raeburn 111: }
! 112:
! 113: ENDSCRIPT
1.28 raeburn 114: my $numtitles;
115: if ($env{'form.currcat_0'} eq 'instcode::0') {
116: $numtitles = &instcode_course_selector($r,$codedom,$formname,$domdesc,
117: $catlinks,$catjs);
118: if ($env{'form.state'} eq 'listing') {
119: $r->print(&print_course_listing($codedom,$numtitles));
120: }
121: } else {
122: my (%add_entries);
123: $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
124: &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks);
125: if ($env{'form.currcat_0'} ne '') {
1.33 raeburn 126: $r->print('<form name="'.$formname.
127: '" method="post" action="/adm/coursecatalog">'.
1.36 raeburn 128: &additional_filters($codedom,$has_subcats)."\n");
1.33 raeburn 129: my ($currdepth,$deeper) = &get_depth_values();
130: $r->print('<input type="hidden" name="catalog_maxdepth" value="'.
131: $deeper.'" />'."\n");
132: for (my $i=0; $i<$deeper; $i++) {
133: $r->print('<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />'."\n");
134: }
135: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
136: '<input type="hidden" name="sortby" value="" />'."\n".
137: '<input type="hidden" name="state" value="listing" />'."\n".
138: '<input type="hidden" name="showdom" value="'.
139: $env{'form.showdom'}.'" />'.
140: '<input type="submit" name="catalogfilter" value="'.
141: &mt('Display courses').'" /></form><br /><br />');
142: }
143: if ($env{'form.state'} eq 'listing') {
1.36 raeburn 144: $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats));
1.28 raeburn 145: }
1.18 raeburn 146: }
1.7 raeburn 147: }
1.32 raeburn 148: $r->print('<br />'.&Apache::loncommon::end_page());
1.7 raeburn 149: return OK;
150: }
151:
152: sub course_details {
1.35 raeburn 153: my ($r,$codedom,$formname,$domdesc,$trails,$allitems) = @_;
1.7 raeburn 154: my $output;
155: my %add_entries = (topmargin => "0",
156: marginheight => "0",);
157: my $start_page =
158: &Apache::loncommon::start_page('Course Catalog','',
159: {
160: 'add_entries' => \%add_entries,
161: 'no_inline_link' => 1,});
162: $r->print($start_page);
1.19 raeburn 163: if ($env{'form.numtitles'} > 0) {
164: &Apache::lonhtmlcommon::add_breadcrumb
165: ({href=>"/adm/coursecatalog",
166: text=>"Select courses"});
167: }
1.7 raeburn 168: &Apache::lonhtmlcommon::add_breadcrumb
1.19 raeburn 169: ({href=>"javascript:document.$formname.submit()",
1.7 raeburn 170: text=>"Course listing"},
171: {text=>"Course details"});
172: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Details'));
173: $r->print('<br />'.&mt('Detailed course information:').'<br /><br />'.
1.28 raeburn 174: '<form name="'.$formname.'" method="post">'.
1.35 raeburn 175: &print_course_listing($codedom,undef,$trails,$allitems).
176: '<br /><br />');
1.7 raeburn 177: $r->print('<a href = "javascript:document.coursecatalog.submit()">'.
178: &mt('Back to course listing').'</a>'.
179: '<input type="hidden" name="sortby" value="'.
180: $env{'form.sortby'}.'" />'.
181: '<input type="hidden" name="state" value="listing" /></form>');
182: }
183:
1.28 raeburn 184: sub instcode_course_selector {
185: my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs) = @_;
1.1 raeburn 186: my %coursecodes = ();
187: my %codes = ();
188: my @codetitles = ();
189: my %cat_titles = ();
190: my %cat_order = ();
191: my %idlist = ();
192: my %idnums = ();
193: my %idlist_titles = ();
1.6 raeburn 194: my %by_year;
195: my %by_sem;
196: my %by_dept;
197: my %cat_items;
1.1 raeburn 198: my $caller = 'global';
199: my $format_reply;
200: my $totcodes = 0;
201: my $jscript = '';
1.6 raeburn 202: my ($numtitles,$lasttitle);
1.30 raeburn 203: my %add_entries = (topmargin => "0",
204: marginheight => "0",);
205: my $js;
1.22 raeburn 206: $totcodes = &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,$codedom);
1.1 raeburn 207: if ($totcodes > 0) {
1.6 raeburn 208: $format_reply = &Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,\%codes,\@codetitles,\%cat_titles,\%cat_order);
209: if ($format_reply eq 'ok') {
210: my $numtypes = @codetitles;
211: &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles);
212: my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles);
213: my $longtitles_str = join('","',@{$longtitles});
214: my $allidlist = $idlist{$codetitles[0]};
215: $numtitles = @codetitles;
216: $lasttitle = $numtitles;
217: if ($numtitles > 4) {
218: $lasttitle = 4;
1.1 raeburn 219: }
1.18 raeburn 220: if ($numtitles == 0) {
221: if (!defined($env{'form.state'})) {
222: $env{'form.state'} = 'listing';
223: }
224: } else {
225: my @data = ('top');
226: for (my $k=0; $k<$lasttitle; $k++) {
227: my $cat = $codetitles[$k];
228: my $level = 1;
229: $level = &recurse_options($codetitles[$k],$idlist{$codetitles[$k]},$level,$cat,\%cat_items,\@data,\%by_year,\%by_sem,\%by_dept);
230: }
231: $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,\%cat_order,\@codetitles);
232: $jscript .= &javascript_select_filler($formname,$scripttext,\@codetitles,$longtitles_str,$allidlist);
233: if ($env{'form.state'} eq 'listing') {
234: $jscript .= '
1.1 raeburn 235: function setElements() {
236: ';
1.18 raeburn 237: for (my $i=0; $i<@codetitles-1; $i++) {
238: if ($env{'form.'.$codetitles[$i]} != -1) {
239: $jscript .= '
1.1 raeburn 240: for (var j=0; j<document.'.$formname.'.'.$codetitles[$i].'.length; j++) {
241: if (document.'.$formname.'.'.$codetitles[$i].'[j].value == "'.$env{'form.'.$codetitles[$i]}.'") {
242: document.'.$formname.'.'.$codetitles[$i].'.selectedIndex = j;
243: }
244: }
245: ';
1.18 raeburn 246: }
247: }
248: $jscript .= ' courseSet()'."\n";
249: if ($env{'form.'.$codetitles[-1]} != -1) {
250: $jscript .= '
1.6 raeburn 251: for (var j=0; j<document.'.$formname.'.'.$codetitles[-1].'.length; j++) {
252: if (document.'.$formname.'.'.$codetitles[-1].'[j].value == "'.$env{'form.'.$codetitles[-1]}.'") {
253: document.'.$formname.'.'.$codetitles[-1].'.selectedIndex = j;
254: }
255: }
256: ';
1.18 raeburn 257: }
258: $jscript .= '}';
259: }
1.6 raeburn 260: }
1.32 raeburn 261: }
1.30 raeburn 262: $js = '<script type"text/javascript">'."\n$jscript\n$catjs\n".
263: '</script>';
1.18 raeburn 264: if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) {
1.7 raeburn 265: $add_entries{'onLoad'} = 'setElements()';
266: }
1.28 raeburn 267: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
268: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
269: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
1.32 raeburn 270: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'."\n".
271: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'."\n".
272: '<input type="hidden" name="currcat_0" value="instcode::0" />'.
1.33 raeburn 273: &additional_filters($codedom));
1.1 raeburn 274: if ($numtitles > 0) {
1.32 raeburn 275: $r->print('<b>'.&mt('Choose which course(s) to list.').'</b><br />');
1.6 raeburn 276: $r->print('<table><tr>');
277: for (my $k=0; $k<$lasttitle-1; $k++) {
1.26 raeburn 278: my (@items,@unsorted);
279: if (ref($cat_items{$codetitles[$k]}) eq 'ARRAY') {
280: @unsorted = @{$cat_items{$codetitles[$k]}};
281: }
1.6 raeburn 282: &Apache::courseclassifier::sort_cats($k,\%cat_order,\@codetitles,\@unsorted,\@items);
283: my @longitems;
284: if (defined($cat_titles{$codetitles[$k]})) {
285: foreach my $item (@items) {
286: push(@longitems,$cat_titles{$codetitles[$k]}{$item});
287: }
1.1 raeburn 288: } else {
1.6 raeburn 289: @longitems = @items;
1.1 raeburn 290: }
1.6 raeburn 291: $r->print('<td align="center">'.$codetitles[$k].'<br />'."\n".
292: '<select name="'.$codetitles[$k].'" onChange="courseSet()"');
293: $r->print('>'."\n".'<option value="0" />All'."\n");
294: for (my $i=0; $i<@items; $i++) {
1.1 raeburn 295: if ($longitems[$i] eq '') {
296: $longitems[$i] = $items[$i];
297: }
1.6 raeburn 298: $r->print(' <option value="'.$items[$i].'">'.$longitems[$i].'</option>');
1.1 raeburn 299: }
1.6 raeburn 300: $r->print('</select></td>');
1.1 raeburn 301: }
1.6 raeburn 302: $r->print('<td align="center">'.$codetitles[$lasttitle-1].'<br />'."\n".
303: '<select name="'.$codetitles[$lasttitle-1].'">'."\n".
304: '<option value="0">All'."\n".
305: '</option>'."\n".'</select>'."\n".
1.32 raeburn 306: '</td></tr></table>'."\n");
1.1 raeburn 307: if ($numtitles > 4) {
1.6 raeburn 308: $r->print('<br /><br />'.$codetitles[$numtitles-1].'<br />'."\n".
309: '<input type="text" name="'.$codetitles[$numtitles-1].'" /><br />'."\n");
1.1 raeburn 310: }
1.18 raeburn 311: $r->print('<br />');
312: }
1.33 raeburn 313: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
314: '<input type="hidden" name="sortby" value="" />'."\n".
315: '<input type="hidden" name="state" value="listing" />'."\n".
316: '<input type="hidden" name="form.currcat_0" value="instcode::0" />'."\n".
317: '<input type="submit" name="catalogfilter" value="'.
318: &mt('Display courses').'" />'.
319: '<input type="hidden" name="numtitles" value="'.$numtitles.
1.37 ! raeburn 320: '" /></form><br /><br />');
1.5 raeburn 321: } else {
1.30 raeburn 322: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles);
323: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
324: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
325: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
326: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
327: '<input type="hidden" name="currcat_0" value="instcode::0" />');
328: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc).'</form>');
1.1 raeburn 329: }
1.18 raeburn 330: return $numtitles;
1.1 raeburn 331: }
332:
1.28 raeburn 333: sub cat_header {
334: my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles) = @_;
335: my $start_page =
336: &Apache::loncommon::start_page('Course Catalog',$js,
337: {
338: 'add_entries' => $add_entries,
339: 'no_inline_link' => 1,});
340: $r->print($start_page);
341: if ($env{'form.state'} eq 'listing') {
342: if ($numtitles > 0) {
343: &Apache::lonhtmlcommon::add_breadcrumb
344: ({href=>"/adm/coursecatalog",
345: text=>"Select courses"},
346: {text=>"Course listing"});
347: } else {
348: &Apache::lonhtmlcommon::add_breadcrumb
349: ({text=>"Course listing"});
350: }
351: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Listing'));
352: } else {
353: &Apache::lonhtmlcommon::add_breadcrumb
354: ({href=>"/adm/coursecatalog",
355: text=>"Select courses"});
356: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Select courses'));
357: }
1.34 raeburn 358: $r->print('<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
359: '<table border="0"><tr><td><b>'.&mt('Domain:').'</b></td><td>'.
1.28 raeburn 360: &Apache::loncommon::select_dom_form($codedom,'showdom','',1).
1.34 raeburn 361: ' <input type="submit" name="godom" value="'.&mt('Change').'" /></td></tr></table></form>'.
362: '<form name="coursecats" method="post" action="/adm/coursecatalog">'.
363: '<table border="0"><tr>'.$catlinks.'</tr></table></form>');
1.28 raeburn 364: return;
365: }
366:
367: sub category_breadcrumbs {
1.35 raeburn 368: my ($dom,@cats) = @_;
1.33 raeburn 369: my ($currdepth,$deeper) = &get_depth_values();
370: my $currcat_str = '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" /><input type="hidden" name="showdom" value="'.$dom.'" />';
1.28 raeburn 371: my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr>';
1.36 raeburn 372: my $has_subcats;
1.28 raeburn 373: for (my $i=0; $i<$deeper; $i++) {
374: $currcat_str .= '<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />';
375: my ($cattitle,$shallower);
376: if ($i == 0) {
377: $cattitle = &mt('Main Categories');
378: } else {
379: $shallower = $i-1;
380: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
381: $cattitle = $cat;
382: }
383: $catlinks .= '<td valign="top"><a href="javascript:setCatDepth('."'$shallower'".')">'.$cattitle.'</a>-></td>';
384: }
385: if ($deeper == 0) {
386: $catlinks .= '<td>'.&mt('Main Categories').': ';
387: if (ref($cats[0]) eq 'ARRAY') {
388: if ((@{$cats[0]} == 1) && ($cats[0][0] eq 'instcode')) {
389: $catlinks .= &mt('Official courses (with institutional codes)').
1.34 raeburn 390: '<input type="hidden" name="currcat_0" value="instcode::0" />';
1.28 raeburn 391: $env{'form.currcat_0'} = 'instcode::0';
392: } else {
1.36 raeburn 393: $has_subcats = 1;
1.28 raeburn 394: $catlinks .= '<select name="currcat_0">'."\n";
395: if (@{$cats[0]} > 1) {
396: my $selstr;
397: if ($env{'form.currcat_0'} eq '') {
398: $selstr = ' selected="selected" ';
399: }
1.36 raeburn 400: $catlinks .= '<option value="" selected="selected">'.&mt('Select').'</option>'."\n";
1.28 raeburn 401: }
402: for (my $i=0; $i<@{$cats[0]}; $i++) {
403: my $name = $cats[0][$i];
404: my $item = &escape($name).'::0';
1.36 raeburn 405: $catlinks .= '<option value="'.$item.'">';
1.28 raeburn 406: if ($name eq 'instcode') {
407: $catlinks .= &mt('Official courses (with institutional codes)');
408: } else {
409: $catlinks .= $name;
410: }
411: $catlinks .= '</option>'."\n";
412: }
413: $catlinks .= '</select>'."\n".
1.33 raeburn 414: ' <input type="submit" name="gocats" value="'.&mt('Change').'" />';
1.28 raeburn 415: }
416: } else {
417: $catlinks .= &mt('Official courses (with institutional codes)').
1.34 raeburn 418: '<input type="hidden" name="currcat_0" value="instcode::0" />';
1.28 raeburn 419: $env{'form.currcat_0'} = 'instcode::0';
420: }
421: } else {
1.29 raeburn 422: my ($cat,$container,$depth);
423: if ($env{'form.currcat_'.$currdepth} eq '') {
424: my $shallower = $currdepth - 1;
425: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
426: } else {
427: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth});
428: }
1.28 raeburn 429: my $deeper = $depth +1;
430: my $currcat = $cat;
431: if ($cat eq 'instcode') {
432: $currcat = &mt('Official courses (with institutional codes)');
433: }
434: $catlinks .= '<td>'.$currcat;
435: if (ref($cats[$deeper]{$cat}) eq 'ARRAY') {
1.36 raeburn 436: $has_subcats = 1;
437: my $selstr;
1.28 raeburn 438: $catlinks .= ': <select name="currcat_'.$deeper.'">'.
1.36 raeburn 439: '<option value="" selected="selected">'.
440: &mt('Select').'</option>';
1.28 raeburn 441: for (my $k=0; $k<@{$cats[$deeper]{$cat}}; $k++) {
442: my $name = $cats[$deeper]{$cat}[$k];
443: my $item = &escape($name).':'.&escape($cat).':'.$deeper;
444: $catlinks .= '<option value="'.$item.'">'.$name.'</option>'."\n";
445: }
446: $catlinks .= '</select>'."\n".
1.33 raeburn 447: ' <input type="submit" name="gocats" value="'.&mt('Change').'" />';
1.28 raeburn 448: }
449: }
450: $catlinks .= $currcat_str.'</td></tr></table></td>';
1.36 raeburn 451: return ($catlinks,$has_subcats);
1.28 raeburn 452: }
453:
1.33 raeburn 454: sub get_depth_values {
455: my $currdepth = 0;
456: my $deeper = 0;
457: if ($env{'form.catalog_maxdepth'} ne '') {
458: $currdepth = $env{'form.catalog_maxdepth'};
459: if ($env{'form.currcat_'.$currdepth} eq '') {
460: $deeper = $currdepth;
461: } else {
462: $deeper = $currdepth + 1;
463: }
464: }
465: return ($currdepth,$deeper);
466: }
467:
468: sub additional_filters {
1.36 raeburn 469: my ($codedom,$has_subcats) = @_;
1.33 raeburn 470: my $output = '<table>';
1.36 raeburn 471: if (($env{'form.currcat_0'} ne 'instcode::0') &&
472: ($env{'form.currcat_0'} ne '') && ($has_subcats)) {
473: my $include_subcat_status;
474: if ($env{'form.withsubcats'}) {
475: $include_subcat_status = 'checked="checked" ';
476: }
477: my $counter = $env{'form.catalog_maxdepth'};
478: if ($counter > 0) {
479: if ($env{'form.state'} eq 'listing') {
480: $counter --;
481: } elsif ($env{'form.currcat_'.$counter} eq '') {
482: $counter --;
483: }
484: }
485: my ($catname) = split(/:/,$env{'form.currcat_'.$counter});
486: if ($catname ne '') {
487: $output .= '<tr><td><label>'.
488: '<input type="checkbox" name="withsubcats" value="1" '.
489: $include_subcat_status.'/>'.
490: &mt('Include subcategories within "[_1]"',$catname).
491: '</label></td></tr>';
492: }
493: }
1.33 raeburn 494: my $show_selfenroll_status;
495: if ($env{'form.showselfenroll'}) {
496: $show_selfenroll_status = 'checked="checked" ';
497: }
1.36 raeburn 498: $output .= '<tr><td>'.
499: '<label><input type="checkbox" name="showselfenroll" value="1" '.
500: $show_selfenroll_status.'/>'.
501: &mt('Only show courses which allow self-enrollment').
502: '</label></td></tr>';
1.33 raeburn 503: if (&user_is_dc($codedom)) {
504: my $showdetails_status;
505: if ($env{'form.showdetails'}) {
506: $showdetails_status = 'checked="checked" ';
507: }
508: my $showhidden_status;
509: if ($env{'form.showhidden'}) {
510: $showhidden_status = 'checked="checked" ';
511: }
512: my $dc_title = &Apache::lonnet::plaintext('dc');
513: $output .= '<tr><td>'."\n".
514: '<label><input type="checkbox" name="showdetails" value="1" '.
1.36 raeburn 515: $showdetails_status.'/>'.
1.33 raeburn 516: &mt('Show full details for each course ([_1] only)',$dc_title).
517: '</label>'."\n".'</td></tr><tr><td>'.
518: '<label><input type="checkbox" name="showhidden" value="1" '.
519: $showhidden_status.'/>'.
520: &mt('Include courses set to be hidden from catalog ([_1] only)',$dc_title).
521: '</label>'."\n".'</td></tr>';
522: }
1.36 raeburn 523: $output .= '</table><br />';
1.33 raeburn 524: return $output;
525: }
526:
1.16 raeburn 527: sub user_is_dc {
528: my ($codedom) = @_;
529: if (exists($env{'user.role.dc./'.$codedom.'/'})) {
530: my $livedc = 1;
531: my $now = time;
532: my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
533: if ($start && $start>$now) { $livedc = 0; }
534: if ($end && $end <$now) { $livedc = 0; }
535: return $livedc;
536: }
537: return;
538: }
1.7 raeburn 539:
1.6 raeburn 540: sub recurse_options {
541: my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
542: if (ref($currlist) eq 'HASH') {
543: $level ++;
544: foreach my $key (sort(keys(%{$currlist}))) {
545: $$data[$level-1]= $key;
546: &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept);
547: }
548: } else {
549: $level --;
550: my @contents = split(/","/,$currlist);
551: foreach my $item (@contents) {
552: if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) {
553: push(@{$cat_options->{$cat}},$item);
554: }
555: if ($level == 3) {
556: if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) {
557: push(@{$by_year->{$data->[1]}->{$currkey}},$item);
558: }
559: if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) {
560: push(@{$by_sem->{$data->[2]}->{$currkey}},$item);
561: }
562: if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) {
563: push(@{$by_dept->{$currkey}},$item);
564: }
565:
566: }
567: }
568: }
569: return $level;
570: }
571:
572: sub build_javascript {
573: my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_;
574: my @unsorted = keys(%{$by_year});
575: my @sorted_yrs;
576: &Apache::courseclassifier::sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs);
577: my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n".
578: 'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n".
579: 'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n";
580: for (my $i=0; $i<@sorted_yrs; $i++) {
581: my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}});
582: $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n";
583: if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') {
584: @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}});
585: my @sorted_depts;
586: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
587: $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n";
588: for (my $j=0; $j<@sorted_depts; $j++) {
589: $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|;
590: $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n";
591: }
592: }
593: }
594: @unsorted = keys(%{$by_sem});
595: my @sorted_sems;
596: &Apache::courseclassifier::sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems);
597: $output .= 'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n".
598: 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n".
599: 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n";
600: for (my $i=0; $i<@sorted_sems; $i++) {
601: my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}});
602: $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n";
603: if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') {
604: @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}});
605: my @sorted_depts;
606: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts);
607: $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n";
608: for (my $j=0; $j<@sorted_depts; $j++) {
609: $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n";
610: }
611: }
612: }
613: @unsorted = keys(%{$by_dept});
614: my @sorted_deps;
615: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps);
616: $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n";
617: for (my $k=0; $k<@sorted_deps; $k++) {
618: $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n";
619: }
620: return $output;
621: }
622:
1.28 raeburn 623: sub search_official_courselist {
1.18 raeburn 624: my ($domain,$numtitles) = @_;
625: my $instcode;
626: if (defined($numtitles) && $numtitles == 0) {
627: $instcode = '.+';
628: } else {
629: my (%codedefaults,@code_order);
630: my $defaults_result =
631: &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults,
632: \@code_order);
633: if ($defaults_result eq 'ok') {
634: $instcode ='^';
635: foreach my $item (@code_order) {
636: if ($env{'form.'.$item} eq '0' ) {
637: $instcode .= $codedefaults{$item};
638: } else {
639: $instcode .= $env{'form.'.$item};
640: }
1.7 raeburn 641: }
1.18 raeburn 642: $instcode .= '$';
643: } else {
644: $instcode = '.';
1.7 raeburn 645: }
646: }
1.32 raeburn 647: my $showhidden;
648: if (&user_is_dc($domain)) {
649: $showhidden = $env{'form.showhidden'};
650: }
651: my %courses =
652: &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',undef,undef,
653: 'Course',1,$env{'form.showselfenroll'},undef,
654: $showhidden,'coursecatalog');
1.7 raeburn 655: return %courses;
656: }
657:
1.28 raeburn 658: sub search_courselist {
1.36 raeburn 659: my ($domain,$subcats) = @_;
1.28 raeburn 660: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
661: my $filter = $env{'form.currcat_'.$cat_maxdepth};
1.29 raeburn 662: if (($filter eq '') && ($cat_maxdepth > 0)) {
663: my $shallower = $cat_maxdepth - 1;
664: $filter = $env{'form.currcat_'.$shallower};
665: }
1.28 raeburn 666: my %courses;
1.36 raeburn 667: my $filterstr;
1.28 raeburn 668: if ($filter ne '') {
1.36 raeburn 669: if ($env{'form.withsubcats'}) {
670: if (ref($subcats) eq 'HASH') {
671: if (ref($subcats->{$filter}) eq 'ARRAY') {
672: $filterstr = join('&',@{$subcats->{$filter}});
673: if ($filterstr ne '') {
674: $filterstr = $filter.'&'.$filterstr;
675: }
676: } else {
677: $filterstr = $filter;
678: }
679: } else {
680: $filterstr = $filter;
681: }
682: } else {
683: $filterstr = $filter;
684: }
1.32 raeburn 685: my $showhidden;
686: if (&user_is_dc($domain)) {
687: $showhidden = $env{'form.showhidden'};
688: }
689: %courses =
690: &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',undef,undef,
691: '.',1,$env{'form.showselfenroll'},
1.36 raeburn 692: $filterstr,$showhidden,'coursecatalog');
1.28 raeburn 693: }
694: return %courses;
695: }
1.6 raeburn 696:
1.1 raeburn 697: sub print_course_listing {
1.36 raeburn 698: my ($domain,$numtitles,$trails,$allitems,$subcats) = @_;
1.1 raeburn 699: my $output;
1.7 raeburn 700: my %courses;
1.15 raeburn 701: my $knownuser = &user_is_known();
1.16 raeburn 702: my $details = $env{'form.coursenum'};
703: if (&user_is_dc($domain)) {
704: if ($env{'form.showdetails'}) {
705: $details = 1;
706: }
707: }
1.7 raeburn 708: if ($env{'form.coursenum'} ne '') {
709: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
710: $env{'form.coursenum'},
1.33 raeburn 711: undef,undef,'.',1);
1.7 raeburn 712: if (keys(%courses) == 0) {
713: $output .= &mt('The courseID provided does not match a course in this domain.');
714: return $output;
715: }
1.6 raeburn 716: } else {
1.28 raeburn 717: if ($env{'form.currcat_0'} eq 'instcode::0') {
718: %courses = &search_official_courselist($domain,$numtitles);
719: } else {
1.36 raeburn 720: %courses = &search_courselist($domain,$subcats);
1.28 raeburn 721: }
1.7 raeburn 722: if (keys(%courses) == 0) {
723: $output = &mt('No courses match the criteria you selected.');
724: return $output;
725: }
1.32 raeburn 726: if (($knownuser) && (!$env{'form.showdetails'}) && (!&user_is_dc($domain))) {
1.31 bisitz 727: $output = '<b>'.&mt('Note for students:').'</b> '
728: .&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.')
729: .'<br /><br />';
1.8 raeburn 730: }
1.7 raeburn 731: }
1.27 raeburn 732: my $now = time;
733: my %domconfig =
734: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
1.35 raeburn 735: $output .= &construct_data_table($knownuser,\%courses,$details,undef,$now,\%domconfig,$trails,$allitems);
1.36 raeburn 736: if ($env{'form.coursenum'} ne '') {
737: $output .= &Apache::lonhtmlcommon::echo_form_input(['coursenum','state','catalogfilter','sortby','showdetails']);
738: }
1.15 raeburn 739: return $output;
740: }
741:
742: sub construct_data_table {
1.35 raeburn 743: my ($knownuser,$courses,$details,$usersections,$now,$domconfig,$trails,
744: $allitems) = @_;
1.7 raeburn 745: my %sortname;
1.16 raeburn 746: if (($details eq '') || ($env{'form.showdetails'})) {
1.7 raeburn 747: $sortname{'Code'} = 'code';
1.35 raeburn 748: $sortname{'Categories'} = 'cats';
1.7 raeburn 749: $sortname{'Title'} = 'title';
1.22 raeburn 750: $sortname{'Owner(s)'} = 'owner';
1.7 raeburn 751: }
1.15 raeburn 752: my $output = &Apache::loncommon::start_data_table().
753: &Apache::loncommon::start_data_table_header_row();
1.35 raeburn 754: my @coltitles = ('Count');
755: if ($env{'form.currcat_0'} eq 'instcode::0') {
756: push(@coltitles,'Code');
757: } else {
758: push(@coltitles,'Categories');
759: }
760: push(@coltitles,('Sections','Crosslisted','Title','Owner(s)'));
1.15 raeburn 761: if (ref($usersections) eq 'HASH') {
762: $coltitles[1] = 'Your Section';
763: }
1.7 raeburn 764: foreach my $item (@coltitles) {
765: $output .= '<th>';
766: if (defined($sortname{$item})) {
767: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
1.24 raeburn 768: } elsif ($item eq 'Count') {
769: $output .= ' ';
1.7 raeburn 770: } else {
771: $output .= &mt($item);
772: }
773: $output .= '</th>';
1.1 raeburn 774: }
1.15 raeburn 775: if ($knownuser) {
776: if ($details) {
1.8 raeburn 777: $output .=
1.7 raeburn 778: '<th>'.&mt('Default Access Dates for Students').'</th>'.
779: '<th>'.&mt('Student Counts').'</th>'.
780: '<th>'.&mt('Auto-enrollment of <br />registered students').'</th>';
1.15 raeburn 781: } else {
1.27 raeburn 782: $output .= '<th>'.&mt('Details').'</th>';
1.8 raeburn 783: }
1.1 raeburn 784: }
1.27 raeburn 785: $output .= '<th>'.&mt('Self-enroll (if permitted)').'</th>';
1.7 raeburn 786: &Apache::loncommon::end_data_table_header_row();
1.15 raeburn 787: my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$details,
788: $usersections);
1.7 raeburn 789: my %Sortby;
1.15 raeburn 790: foreach my $course (sort(keys(%{$courses}))) {
1.7 raeburn 791: if ($env{'form.sortby'} eq 'code') {
792: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
1.35 raeburn 793: } elsif ($env{'form.sortby'} eq 'cats') {
794: push(@{$Sortby{$courseinfo{$course}{'categories'}}},$course);
1.7 raeburn 795: } elsif ($env{'form.sortby'} eq 'owner') {
1.22 raeburn 796: push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course);
1.7 raeburn 797: } else {
1.25 raeburn 798: my $clean_title = $courseinfo{$course}{'title'};
799: $clean_title =~ s/\W+//g;
800: if ($clean_title eq '') {
801: $clean_title = $courseinfo{$course}{'title'};
802: }
803: push(@{$Sortby{$clean_title}},$course);
1.7 raeburn 804: }
805: }
806: my @sorted_courses;
1.35 raeburn 807: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner') ||
808: ($env{'form.sortby'} eq 'cats')) {
1.7 raeburn 809: @sorted_courses = sort(keys(%Sortby));
1.6 raeburn 810: } else {
1.7 raeburn 811: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
1.1 raeburn 812: }
1.24 raeburn 813: my $count = 1;
1.7 raeburn 814: foreach my $item (@sorted_courses) {
815: foreach my $course (@{$Sortby{$item}}) {
816: $output.=&Apache::loncommon::start_data_table_row();
1.35 raeburn 817: $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details,
818: \$count,$now,$course,$trails,$allitems);
1.7 raeburn 819: $output.=&Apache::loncommon::end_data_table_row();
820: }
1.1 raeburn 821: }
1.7 raeburn 822: $output .= &Apache::loncommon::end_data_table();
823: return $output;
824: }
825:
826: sub build_courseinfo_hash {
1.15 raeburn 827: my ($courses,$knownuser,$details,$usersections) = @_;
1.1 raeburn 828: my %courseinfo;
1.7 raeburn 829: my $now = time;
1.15 raeburn 830: foreach my $course (keys(%{$courses})) {
1.1 raeburn 831: my $descr;
1.22 raeburn 832: if (ref($courses->{$course}) eq 'HASH') {
833: $descr = $courses->{$course}{'description'};
1.1 raeburn 834: }
835: my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
836: $cleandesc=~s/'/\\'/g;
1.10 raeburn 837: $cleandesc =~ s/^\s+//;
1.1 raeburn 838: my ($cdom,$cnum)=split(/\_/,$course);
1.27 raeburn 839: my ($descr,$instcode,$singleowner,$ttype,$selfenroll_types,
1.35 raeburn 840: $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
1.22 raeburn 841: if (ref($courses->{$course}) eq 'HASH') {
842: $descr = $courses->{$course}{'description'};
1.23 raeburn 843: $instcode = $courses->{$course}{'inst_code'};
1.22 raeburn 844: $singleowner = $courses->{$course}{'owner'};
845: $ttype = $courses->{$course}{'type'};
1.27 raeburn 846: $selfenroll_types = $courses->{$course}{'selfenroll_types'};
847: $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
848: $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
1.35 raeburn 849: $categories = $courses->{$course}{'categories'};
1.22 raeburn 850: push(@owners,$singleowner);
851: if (ref($courses->{$course}{'co-owners'}) eq 'ARRAY') {
852: foreach my $item (@{$courses->{$course}{'co-owners'}}) {
853: push(@owners,$item);
854: }
855: }
856: }
857: foreach my $owner (@owners) {
858: my ($ownername,$ownerdom) = @_;
859: if ($owner =~ /:/) {
860: ($ownername,$ownerdom) = split(/:/,$owner);
861: } else {
862: $ownername = $owner;
863: if ($owner ne '') {
864: $ownerdom = $cdom;
865: }
866: }
867: if ($ownername ne '' && $ownerdom ne '') {
868: my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom);
869: $ownernames{$ownername.':'.$ownerdom} = \%namehash;
1.1 raeburn 870: }
871: }
872: $courseinfo{$course}{'cdom'} = $cdom;
873: $courseinfo{$course}{'cnum'} = $cnum;
874: $courseinfo{$course}{'code'} = $instcode;
1.22 raeburn 875: my @lastnames;
876: foreach my $owner (keys(%ownernames)) {
877: if (ref($ownernames{$owner}) eq 'HASH') {
878: push(@lastnames,$ownernames{$owner}{'lastname'});
879: }
880: }
881: $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames));
1.1 raeburn 882: $courseinfo{$course}{'title'} = $cleandesc;
1.22 raeburn 883: $courseinfo{$course}{'owner'} = $singleowner;
1.27 raeburn 884: $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types;
885: $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
886: $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
1.35 raeburn 887: $courseinfo{$course}{'categories'} = $categories;
1.7 raeburn 888:
889: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
890: my @classids;
891: my @crosslistings;
1.15 raeburn 892: my ($seclist,$numsec) =
893: &identify_sections($coursehash{'internal.sectionnums'});
894: if (ref($usersections) eq 'HASH') {
895: if (ref($usersections->{$course}) eq 'ARRAY') {
896: $seclist = join(', ',@{$usersections->{$course}});
897: }
898: }
1.7 raeburn 899: $courseinfo{$course}{'seclist'} = $seclist;
1.15 raeburn 900: my ($xlist_items,$numxlist) =
901: &identify_sections($coursehash{'internal.crosslistings'});
1.7 raeburn 902: my $showsyllabus = 1; # default is to include a syllabus link
903: if (defined($coursehash{'showsyllabus'})) {
904: $showsyllabus = $coursehash{'showsyllabus'};
905: }
906: $courseinfo{$course}{'showsyllabus'} = $showsyllabus;
1.15 raeburn 907: if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
1.22 raeburn 908: ($knownuser && ($details == 1))) {
1.15 raeburn 909: $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum,$numsec);
910: $courseinfo{$course}{'autoenrollment'} =
911: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
1.22 raeburn 912: $instcode,\@owners,$cdom,$cnum);
1.15 raeburn 913:
914: my $startaccess = '';
915: my $endaccess = '';
916: my $accessdates;
917: if ( defined($coursehash{'default_enrollment_start_date'}) ) {
918: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
919: }
920: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
921: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
922: if ($coursehash{'default_enrollment_end_date'} == 0) {
1.34 raeburn 923: $endaccess = &mt('No ending date');
1.15 raeburn 924: }
925: }
926: if ($startaccess) {
927: $accessdates .= &mt('<i>From:</i> ').$startaccess.'<br />';
1.7 raeburn 928: }
1.15 raeburn 929: if ($endaccess) {
930: $accessdates .= &mt('<i>To:</i> ').$endaccess.'<br />';
931: }
1.34 raeburn 932: if (($selfenroll_types ne '') &&
933: ($selfenroll_end > 0 && $selfenroll_end > $now)) {
934: my ($selfenroll_start_access,$selfenroll_end_access);
935: if (($coursehash{'default_enrollment_start_date'} ne
936: $coursehash{'internal.selfenroll_start_access'}) ||
937: ($coursehash{'default_enrollment_end_date'} ne
938: $coursehash{'internal.selfenroll_end_access'})) {
939: if ( defined($coursehash{'internal.selfenroll_start_access'}) ) {
940: $selfenroll_start_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_start_access'});
941: }
942: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
943: $selfenroll_end_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_end_access'});
944: if ($coursehash{'internal.selfenroll_end_access'} == 0) {
945: $selfenroll_end_access = &mt('No ending date');
946: }
947: }
948: if ($selfenroll_start_access || $selfenroll_end_access) {
949: $accessdates .= '<br/><br /><i>'.&mt('Self-enrollers:').'</i><br />';
950: if ($selfenroll_start_access) {
951: $accessdates .= &mt('<i>From:</i> ').$selfenroll_start_access.'<br />';
952: }
953: if ($selfenroll_end_access) {
954: $accessdates .= &mt('<i>To:</i> ').$selfenroll_end_access.'<br />';
955: }
956: }
957: }
958: }
1.15 raeburn 959: $courseinfo{$course}{'access'} = $accessdates;
1.1 raeburn 960: }
1.7 raeburn 961: if ($xlist_items eq '') {
962: $xlist_items = &mt('No');
1.1 raeburn 963: }
1.7 raeburn 964: $courseinfo{$course}{'xlist'} = $xlist_items;
1.1 raeburn 965: }
1.7 raeburn 966: return %courseinfo;
1.1 raeburn 967: }
968:
1.7 raeburn 969: sub count_students {
1.15 raeburn 970: my ($cdom,$cnum,$numsec) = @_;
1.1 raeburn 971: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1.7 raeburn 972: my %student_count = (
973: Active => 0,
974: Future => 0,
975: Expired => 0,
976: );
1.1 raeburn 977: my %idx;
978: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
1.4 albertel 979: my %status_title = &Apache::lonlocal::texthash(
1.1 raeburn 980: Expired => 'Previous access',
981: Active => 'Current access',
982: Future => 'Future access',
983: );
1.7 raeburn 984:
1.4 albertel 985: while (my ($student,$data) = each(%$classlist)) {
1.1 raeburn 986: $student_count{$data->[$idx{'status'}]} ++;
987: }
1.7 raeburn 988:
1.15 raeburn 989: my $countslist = &mt('[quant,_1,section]',$numsec).':<br />';
1.7 raeburn 990: foreach my $status ('Active','Future') {
1.1 raeburn 991: $countslist .= '<nobr>'.$status_title{$status}.': '.
992: $student_count{$status}.'</nobr><br />';
993: }
1.7 raeburn 994: return $countslist;
995: }
996:
997: sub courseinfo_row {
1.35 raeburn 998: my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems) = @_;
1.7 raeburn 999: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
1.35 raeburn 1000: $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
1.7 raeburn 1001: if (ref($info) eq 'HASH') {
1002: $cdom = $info->{'cdom'};
1003: $cnum = $info->{'cnum'};
1004: $title = $info->{'title'};
1.22 raeburn 1005: $ownerlast = $info->{'ownerlastnames'};
1.7 raeburn 1006: $code = $info->{'code'};
1007: $owner = $info->{'owner'};
1008: $seclist = $info->{'seclist'};
1009: $xlist_items = $info->{'xlist'};
1010: $accessdates = $info->{'access'};
1011: $counts = $info->{'counts'};
1012: $autoenrollment = $info->{'autoenrollment'};
1013: $showsyllabus = $info->{'showsyllabus'};
1.35 raeburn 1014: $categories = $info->{'categories'};
1.7 raeburn 1015: } else {
1016: $output = '<td colspan="8">'.&mt('No information available for [_1].',
1017: $code).'</td>';
1018: return $output;
1.2 raeburn 1019: }
1.35 raeburn 1020: $output .= '<td>'.$$countref.'</td>';
1021: if ($env{'form.currcat_0'} eq 'instcode::0') {
1022: $output .= '<td>'.$code.'</td>';
1023: } else {
1024: my ($categorylist,@cats);
1025: if ($categories ne '') {
1026: @cats = split('&',$categories);
1027: }
1028: if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) {
1029: my @categories = map { $trails->[$allitems->{$_}]; } @cats;
1030: $categorylist = join('<br />',@categories);
1031: }
1032: if ($categorylist eq '') {
1033: $categorylist = ' ';
1034: }
1035: $output .= '<td>'.$categorylist.'</td>';
1036: }
1037: $output .= '<td>'.$seclist.'</td>'.
1.7 raeburn 1038: '<td>'.$xlist_items.'</td>'.
1039: '<td>'.$title.' <font size="-2">';
1.2 raeburn 1040: if ($showsyllabus) {
1041: $output .= &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$cnum,$cdom);
1.7 raeburn 1042: } else {
1043: $output .= ' ';
1.2 raeburn 1044: }
1045: $output .= '</font></td>'.
1.7 raeburn 1046: '<td>'.$ownerlast.'</td>';
1.15 raeburn 1047: if ($knownuser) {
1048: if ($details) {
1.8 raeburn 1049: $output .=
1.7 raeburn 1050: '<td>'.$accessdates.'</td>'.
1051: '<td>'.$counts.'</td>'.
1052: '<td>'.$autoenrollment.'</td>';
1.15 raeburn 1053: } else {
1054: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>';
1.8 raeburn 1055: }
1.7 raeburn 1056: }
1.27 raeburn 1057: my $selfenroll;
1058: if ($info->{'selfenroll_types'}) {
1059: my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'});
1060: my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'});
1061: if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) {
1062: if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) {
1063: $output .= '<td>'.&mt('Starts: [_1]','<span class="LC_cusr_emph">'.$showstart.'</span>').'<br />'.&mt('Ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>').'</td>';
1064: } else {
1065: $output .= '<td><a href="/adm/selfenroll?cid='.$course.'">'.&mt('Enroll in course').'</a></td>';
1066: }
1067: $selfenroll = 1;
1068: }
1069: }
1070: if (!$selfenroll) {
1071: $output .= '<td> </td>';
1072: }
1.24 raeburn 1073: $$countref ++;
1.1 raeburn 1074: return $output;
1075: }
1076:
1077: sub identify_sections {
1078: my ($seclist) = @_;
1079: my @secnums;
1080: if ($seclist =~ /,/) {
1.4 albertel 1081: my @sections = split(/,/,$seclist);
1.1 raeburn 1082: foreach my $sec (@sections) {
1083: $sec =~ s/:[^:]*$//;
1084: push(@secnums,$sec);
1085: }
1086: } else {
1087: if ($seclist =~ m/^([^:]+):/) {
1088: my $sec = $1;
1.4 albertel 1089: if (!grep(/^\Q$sec\E$/,@secnums)) {
1090: push(@secnums,$sec);
1.1 raeburn 1091: }
1092: }
1093: }
1094: @secnums = sort {$a <=> $b} @secnums;
1095: my $seclist = join(', ',@secnums);
1.15 raeburn 1096: my $numsec = @secnums;
1097: return ($seclist,$numsec);
1.1 raeburn 1098: }
1099:
1.2 raeburn 1100: sub get_valid_classes {
1.22 raeburn 1101: my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
1.2 raeburn 1102: my $response;
1103: my %validations;
1104: @{$validations{'sections'}} = ();
1105: @{$validations{'xlists'}} = ();
1106: my $totalitems = 0;
1107: if ($seclist) {
1.13 raeburn 1108: foreach my $sec (split(/, /,$seclist)) {
1.2 raeburn 1109: my $class = $crscode.$sec;
1.22 raeburn 1110: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1.3 albertel 1111: $class) eq 'ok') {
1.2 raeburn 1112: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
1.4 albertel 1113: push(@{$validations{'sections'}},$sec);
1.2 raeburn 1114: $totalitems ++;
1115: }
1116: }
1117: }
1118: }
1119: if ($xlist_items) {
1.13 raeburn 1120: foreach my $item (split(/, /,$xlist_items)) {
1.22 raeburn 1121: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1.3 albertel 1122: $item) eq 'ok') {
1.2 raeburn 1123: if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
1.4 albertel 1124: push(@{$validations{'xlists'}},$item);
1.2 raeburn 1125: $totalitems ++;
1126: }
1127: }
1128: }
1129: }
1130: if ($totalitems > 0) {
1131: if (@{$validations{'sections'}}) {
1132: $response = &mt('Sections: ').
1.14 raeburn 1133: join(', ',@{$validations{'sections'}}).'<br />';
1.2 raeburn 1134: }
1135: if (@{$validations{'xlists'}}) {
1136: $response .= &mt('Courses: ').
1.14 raeburn 1137: join(', ',@{$validations{'xlists'}});
1.2 raeburn 1138: }
1139: }
1140: return $response;
1141: }
1142:
1.6 raeburn 1143: sub javascript_select_filler {
1144: my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist) = @_;
1145: my $output = <<END;
1146: function courseSet() {
1147: var longtitles = new Array ("$longtitles_str");
1148: var valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value
1149: var valsem = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value
1150: var valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value
1151: var valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value
1152: var idyears = new Array("$allidlist");
1153: var idyr = -1;
1154: var idsem = -1;
1155: var iddept = -1;
1156: document.$formname.Number.length = 0;
1157:
1158: $scripttext
1159:
1160: selYear = document.$formname.Year.selectedIndex-1;
1161: selSemester = document.$formname.Semester.selectedIndex-1;
1162: selDepartment = document.$formname.Department.selectedIndex-1;
1163: if (selYear == -1) {
1164: if (selSemester == -1) {
1165: if (selDepartment > -1) {
1166: document.$formname.Number.options[0] = new Option('All','0',false,false);
1167: for (var k=0; k<idcse_by_dep[selDepartment].length; k++) {
1168: document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false);
1169:
1170: }
1171: }
1172: else {
1173: document.$formname.Number.options[0] = new Option("All","0",true,true);
1174: }
1175: }
1176: else {
1177: if (selDepartment > -1) {
1178: for (var i=0; i<idcse_by_sem_sems.length; i++) {
1179: if (idcse_by_sem_sems[i] == valsem) {
1180: idsem = i;
1181: }
1182: }
1183: if (idsem != -1) {
1184: for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) {
1185: if (idcse_by_sem_dept[idsem][i] == valdept) {
1186: iddept = i;
1187: }
1188: }
1189: }
1190: if (iddept != -1) {
1191: document.$formname.Number.options[0] = new Option('All','0',false,false);
1192: for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) {
1193: document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false);
1194: }
1195: }
1196: else {
1197: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1198: }
1199: }
1200: else {
1201: document.$formname.Number.options[0] = new Option("All","0",true,true);
1202: }
1203: }
1204: }
1205: else {
1206: if (selSemester == -1) {
1207: if (selDepartment > -1) {
1208: for (var i=0; i<idcse_by_yr_year.length; i++) {
1209: if (idcse_by_yr_year[i] == valyr) {
1210: idyr = i;
1211: }
1212: }
1213: if (idyr != -1) {
1214: for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) {
1215: if (idcse_by_yr_dept[idyr][i] == valdept) {
1216: iddept = i;
1217: }
1218: }
1219: }
1220: if (iddept != -1) {
1221: document.$formname.Number.options[0] = new Option('All','0',false,false);
1222: for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) {
1223: document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false);
1224: }
1225: }
1226: else {
1227: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1228: }
1229: }
1230: else {
1231: document.$formname.Number.options[0] = new Option("All","0",true,true);
1232: }
1233: }
1234: else {
1.9 raeburn 1235: if (selDepartment > -1) {
1236: for (var k=0; k<idyears.length; k++) {
1237: if (idyears[k] == valyr) {
1238: idyr = k;
1239: }
1.6 raeburn 1240: }
1.9 raeburn 1241: if (idyr != -1) {
1242: for (var k=0; k<idsems[idyr].length; k++) {
1243: if (idsems[idyr][k] == valsem) {
1244: idsem = k;
1245: }
1.6 raeburn 1246: }
1247: }
1.9 raeburn 1248: if (idsem != -1) {
1249: for (var k=0; k<idcodes[idyr][idsem].length; k++) {
1250: if (idcodes[idyr][idsem][k] == valdept) {
1251: iddept = k;
1252: }
1.6 raeburn 1253: }
1254: }
1.9 raeburn 1255: if (iddept != -1) {
1256: document.$formname.Number.options[0] = new Option('All','0',false,false);
1257: for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) {
1258: var display = idcourses[idyr][idsem][iddept][i];
1259: if (longtitles[3] == 1) {
1260: if (idcourseslongs[idyr][idsem][iddept][i] != "") {
1261: display = idcourseslongs[idyr][idsem][iddept][i]
1262: }
1.6 raeburn 1263: }
1.9 raeburn 1264: document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false)
1.6 raeburn 1265: }
1.9 raeburn 1266: }
1267: else {
1268: document.$formname.Number.options[0] = new Option('No courses','0',true,true);
1.6 raeburn 1269: }
1.9 raeburn 1270: }
1.6 raeburn 1271: else {
1.9 raeburn 1272: document.$formname.Number.options[0] = new Option('All','0',true,true);
1.6 raeburn 1273: }
1274: }
1275: document.$formname.Number.selectedIndex = 0
1276: }
1277: }
1278: END
1279: return $output;
1280: }
1.1 raeburn 1281:
1.7 raeburn 1282: sub autoenroll_info {
1.22 raeburn 1283: my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_;
1.7 raeburn 1284: my $autoenrolldates = &mt('Not enabled');
1285: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) {
1286: my ($autostart,$autoend);
1287: if ( defined($coursehash->{'internal.autostart'}) ) {
1288: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'});
1289: }
1290: if ( defined($coursehash->{'internal.autoend'}) ) {
1291: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'});
1292: }
1293: if ($coursehash->{'internal.autostart'} > $now) {
1294: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1295: $autoenrolldates = &mt('Not enabled');
1296: } else {
1297: my $valid_classes =
1298: &get_valid_classes($seclist,$xlist_items,$code,
1.22 raeburn 1299: $owners,$cdom,$cnum);
1.7 raeburn 1300: if ($valid_classes ne '') {
1301: $autoenrolldates = &mt('Not enabled<br />Starts: ').
1302: $autostart.'<br />'.$valid_classes; }
1303: }
1304: } else {
1305: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1306: $autoenrolldates = &mt('Not enabled<br />Ended: ').$autoend;
1307: } else {
1308: my $valid_classes = &get_valid_classes($seclist,$xlist_items,
1.22 raeburn 1309: $code,$owners,$cdom,$cnum);
1.7 raeburn 1310: if ($valid_classes ne '') {
1311: $autoenrolldates = &mt('Currently enabled<br />').
1312: $valid_classes;
1313: }
1314: }
1315: }
1316: }
1317: return $autoenrolldates;
1318: }
1319:
1.8 raeburn 1320: sub user_is_known {
1321: my $known = 0;
1322: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
1323: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
1324: $known = 1;
1325: }
1326: return $known;
1327: }
1328:
1.1 raeburn 1329: 1;
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