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- lots of \w -> probper regexp replacements
1: # 2: # Copyright Michigan State University Board of Trustees 3: # 4: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 5: # 6: # LON-CAPA is free software; you can redistribute it and/or modify 7: # it under the terms of the GNU General Public License as published by 8: # the Free Software Foundation; either version 2 of the License, or 9: # (at your option) any later version. 10: # 11: # LON-CAPA is distributed in the hope that it will be useful, 12: # but WITHOUT ANY WARRANTY; without even the implied warranty of 13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14: # GNU General Public License for more details. 15: # 16: # You should have received a copy of the GNU General Public License 17: # along with LON-CAPA; if not, write to the Free Software 18: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19: # 20: # /home/httpd/html/adm/gpl.txt 21: # 22: # http://www.lon-capa.org/ 23: # 24: 25: package Apache::coursecatalog; 26: 27: use strict; 28: use lib qw(/home/httpd/lib/perl); 29: use Apache::Constants qw(:common); 30: use Apache::loncommon; 31: use Apache::lonhtmlcommon; 32: use Apache::lonnet; 33: use Apache::lonlocal; 34: use Apache::courseclassifier; 35: use Apache::lonacc; 36: use LONCAPA; 37: 38: sub handler { 39: my ($r) = @_; 40: &Apache::loncommon::content_type($r,'text/html'); 41: $r->send_http_header; 42: if ($r->header_only) { 43: return OK; 44: } 45: my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); 46: my $lonid=$cookies{'lonID'}; 47: my $lonidsdir=$r->dir_config('lonIDsDir'); 48: my $handle; 49: if ($lonid) { 50: my $handle=&LONCAPA::clean_handle($lonid->value); 51: } 52: if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { 53: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); 54: } 55: &Apache::lonacc::get_posted_cgi($r); 56: &Apache::lonlocal::get_language_handle($r); 57: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sortby']); 58: my $codedom = $Apache::lonnet::perlvar{'lonDefDomain'}; 59: my $formname = 'coursecatalog'; 60: my $domdesc = $Apache::lonnet::domaindescription{$codedom}; 61: 62: &Apache::lonhtmlcommon::clear_breadcrumbs(); 63: if ($env{'form.coursenum'} ne '' && &user_is_known()) { 64: &course_details($r,$codedom,$formname,$domdesc); 65: } else { 66: &course_selector($r,$codedom,$formname,$domdesc); 67: if ($env{'form.state'} eq 'listing') { 68: $r->print('<br /><br />'.&print_course_listing($codedom).'<br />'); 69: } 70: } 71: $r->print(&Apache::loncommon::end_page()); 72: return OK; 73: } 74: 75: sub course_details { 76: my ($r,$codedom,$formname,$domdesc) = @_; 77: my $output; 78: my %add_entries = (topmargin => "0", 79: marginheight => "0",); 80: my $start_page = 81: &Apache::loncommon::start_page('Course Catalog','', 82: { 83: 'add_entries' => \%add_entries, 84: 'no_inline_link' => 1,}); 85: $r->print($start_page); 86: &Apache::lonhtmlcommon::add_breadcrumb 87: ({href=>"/adm/coursecatalog", 88: text=>"Select courses"}, 89: {href=>"javascript:document.$formname.submit()", 90: text=>"Course listing"}, 91: {text=>"Course details"}); 92: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Details')); 93: $r->print('<br />'.&mt('Detailed course information:').'<br /><br />'. 94: '<form name="coursecatalog" method="post">'. 95: &print_course_listing($codedom).'<br /><br />'); 96: $r->print('<a href = "javascript:document.coursecatalog.submit()">'. 97: &mt('Back to course listing').'</a>'. 98: '<input type="hidden" name="sortby" value="'. 99: $env{'form.sortby'}.'" />'. 100: '<input type="hidden" name="state" value="listing" /></form>'); 101: } 102: 103: sub course_selector { 104: my ($r,$codedom,$formname,$domdesc) = @_; 105: my %coursecodes = (); 106: my %codes = (); 107: my @codetitles = (); 108: my %cat_titles = (); 109: my %cat_order = (); 110: my %idlist = (); 111: my %idnums = (); 112: my %idlist_titles = (); 113: my %by_year; 114: my %by_sem; 115: my %by_dept; 116: my %cat_items; 117: my $caller = 'global'; 118: my $format_reply; 119: my $totcodes = 0; 120: my $jscript = ''; 121: my ($numtitles,$lasttitle); 122: $totcodes = &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,$codedom,$totcodes); 123: if ($totcodes > 0) { 124: $format_reply = &Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,\%codes,\@codetitles,\%cat_titles,\%cat_order); 125: if ($format_reply eq 'ok') { 126: my $numtypes = @codetitles; 127: &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles); 128: my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles); 129: my $longtitles_str = join('","',@{$longtitles}); 130: my $allidlist = $idlist{$codetitles[0]}; 131: $numtitles = @codetitles; 132: $lasttitle = $numtitles; 133: if ($numtitles > 4) { 134: $lasttitle = 4; 135: } 136: my @data = ('top'); 137: for (my $k=0; $k<$lasttitle; $k++) { 138: my $cat = $codetitles[$k]; 139: my $level = 1; 140: $level = &recurse_options($codetitles[$k],$idlist{$codetitles[$k]},$level,$cat,\%cat_items,\@data,\%by_year,\%by_sem,\%by_dept); } 141: $scripttext .= &build_javascript(\%by_year,\%by_sem,\%by_dept,\%cat_order,\@codetitles); 142: $jscript .= &javascript_select_filler($formname,$scripttext,\@codetitles,$longtitles_str,$allidlist); 143: } 144: if ($env{'form.state'} eq 'listing') { 145: $jscript .= ' 146: function setElements() { 147: '; 148: for (my $i=0; $i<@codetitles-1; $i++) { 149: if ($env{'form.'.$codetitles[$i]} != -1) { 150: $jscript .= ' 151: for (var j=0; j<document.'.$formname.'.'.$codetitles[$i].'.length; j++) { 152: if (document.'.$formname.'.'.$codetitles[$i].'[j].value == "'.$env{'form.'.$codetitles[$i]}.'") { 153: document.'.$formname.'.'.$codetitles[$i].'.selectedIndex = j; 154: } 155: } 156: '; 157: } 158: } 159: $jscript .= ' courseSet()'."\n"; 160: if ($env{'form.'.$codetitles[-1]} != -1) { 161: $jscript .= ' 162: for (var j=0; j<document.'.$formname.'.'.$codetitles[-1].'.length; j++) { 163: if (document.'.$formname.'.'.$codetitles[-1].'[j].value == "'.$env{'form.'.$codetitles[-1]}.'") { 164: document.'.$formname.'.'.$codetitles[-1].'.selectedIndex = j; 165: } 166: } 167: '; 168: } 169: $jscript .= '}'; 170: $jscript .= qq| 171: function changeSort(caller) { 172: document.$formname.sortby.value = caller; 173: document.$formname.submit(); 174: } 175: function setCourseId(caller) { 176: document.$formname.coursenum.value = caller; 177: document.$formname.submit(); 178: }\n|; 179: } 180: my $js = '<script type"text/javascript">'."\n$jscript\n". 181: '</script>'; 182: my %add_entries = (topmargin => "0", 183: marginheight => "0",); 184: if ($env{'form.state'} eq 'listing') { 185: $add_entries{'onLoad'} = 'setElements()'; 186: } 187: my $start_page = 188: &Apache::loncommon::start_page('Course Catalog',$js, 189: { 190: 'add_entries' => \%add_entries, 191: 'no_inline_link' => 1,}); 192: $r->print($start_page); 193: if ($env{'form.state'} eq 'listing') { 194: &Apache::lonhtmlcommon::add_breadcrumb 195: ({href=>"/adm/coursecatalog", 196: text=>"Select courses"}, 197: {text=>"Course listing"}); 198: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Listing')); 199: } else { 200: &Apache::lonhtmlcommon::add_breadcrumb 201: ({href=>"/adm/coursecatalog", 202: text=>"Select courses"}); 203: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Select courses')); 204: } 205: $r->print('<h3>'.&mt('Display information about official [_1] classes for which LON-CAPA courses have been created:',$domdesc).'</h3>'); 206: $r->print(&mt('<b>Choose which course(s) to list.</b><br />')); 207: $r->print('<form name="coursecatalog" method="post">'); 208: if ($numtitles > 0) { 209: $r->print('<table><tr>'); 210: for (my $k=0; $k<$lasttitle-1; $k++) { 211: my @unsorted = @{$cat_items{$codetitles[$k]}}; 212: my @items; 213: &Apache::courseclassifier::sort_cats($k,\%cat_order,\@codetitles,\@unsorted,\@items); 214: my @longitems; 215: if (defined($cat_titles{$codetitles[$k]})) { 216: foreach my $item (@items) { 217: push(@longitems,$cat_titles{$codetitles[$k]}{$item}); 218: } 219: } else { 220: @longitems = @items; 221: } 222: $r->print('<td align="center">'.$codetitles[$k].'<br />'."\n". 223: '<select name="'.$codetitles[$k].'" onChange="courseSet()"'); 224: $r->print('>'."\n".'<option value="0" />All'."\n"); 225: for (my $i=0; $i<@items; $i++) { 226: if ($longitems[$i] eq '') { 227: $longitems[$i] = $items[$i]; 228: } 229: $r->print(' <option value="'.$items[$i].'">'.$longitems[$i].'</option>'); 230: } 231: $r->print('</select></td>'); 232: } 233: $r->print('<td align="center">'.$codetitles[$lasttitle-1].'<br />'."\n". 234: '<select name="'.$codetitles[$lasttitle-1].'">'."\n". 235: '<option value="0">All'."\n". 236: '</option>'."\n".'</select>'."\n". 237: '</td>' 238: ); 239: $r->print('</tr></table>'); 240: if ($numtitles > 4) { 241: $r->print('<br /><br />'.$codetitles[$numtitles-1].'<br />'."\n". 242: '<input type="text" name="'.$codetitles[$numtitles-1].'" /><br />'."\n"); 243: } 244: } 245: $r->print('<br /><input type="hidden" name="coursenum" value="" /><input type="hidden" name="state" value="listing" /><input type="hidden" name="sortby" value="" /><input type="submit" name="catalogfilter" value="'.&mt('Display courses').'" /></form>'); 246: } else { 247: $r->print(&Apache::loncommon::start_page('Course Catalog','', 248: { 249: 'no_inline_link' => 1,})); 250: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc)); 251: } 252: return; 253: } 254: 255: 256: sub recurse_options { 257: my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_; 258: if (ref($currlist) eq 'HASH') { 259: $level ++; 260: foreach my $key (sort(keys(%{$currlist}))) { 261: $$data[$level-1]= $key; 262: &recurse_options($key,$currlist->{$key},$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept); 263: } 264: } else { 265: $level --; 266: my @contents = split(/","/,$currlist); 267: foreach my $item (@contents) { 268: if (!grep(/^\Q$item\E$/,@{$cat_options->{$cat}})) { 269: push(@{$cat_options->{$cat}},$item); 270: } 271: if ($level == 3) { 272: if (!grep/^\Q$item\E$/,@{$by_year->{$data->[1]}->{$currkey}}) { 273: push(@{$by_year->{$data->[1]}->{$currkey}},$item); 274: } 275: if (!grep/^\Q$item\E$/,@{$by_sem->{$data->[2]}->{$currkey}}) { 276: push(@{$by_sem->{$data->[2]}->{$currkey}},$item); 277: } 278: if (!grep/^\Q$item\E$/,@{$by_dept->{$currkey}}) { 279: push(@{$by_dept->{$currkey}},$item); 280: } 281: 282: } 283: } 284: } 285: return $level; 286: } 287: 288: sub build_javascript { 289: my ($by_year,$by_sem,$by_dept,$cat_order,$codetitles) = @_; 290: my @unsorted = keys(%{$by_year}); 291: my @sorted_yrs; 292: &Apache::courseclassifier::sort_cats('0',$cat_order,$codetitles,\@unsorted,\@sorted_yrs); 293: my $output = 'var idcse_by_yr_year = new Array("'.join('","',@sorted_yrs).'");'."\n". 294: 'var idcse_by_yr_dept = new Array('.scalar(@sorted_yrs).');'."\n". 295: 'var idcse_by_yr_num = new Array('.scalar(@sorted_yrs).');'."\n"; 296: for (my $i=0; $i<@sorted_yrs; $i++) { 297: my $numkeys = keys(%{$by_year->{$sorted_yrs[$i]}}); 298: $output .= " idcse_by_yr_num[$i] = new Array($numkeys);\n"; 299: if (ref($by_year->{$sorted_yrs[$i]}) eq 'HASH') { 300: @unsorted = keys(%{$by_year->{$sorted_yrs[$i]}}); 301: my @sorted_depts; 302: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts); 303: $output .= qq| idcse_by_yr_dept[$i] = new Array ("|.join('","',@sorted_depts).'");'."\n"; 304: for (my $j=0; $j<@sorted_depts; $j++) { 305: $output .= qq| idcse_by_yr_num[$i][$j] = new Array ("|; 306: $output .= join('","',sort(@{$by_year->{$sorted_yrs[$i]}->{$sorted_depts[$j]}})).'");'."\n"; 307: } 308: } 309: } 310: @unsorted = keys(%{$by_sem}); 311: my @sorted_sems; 312: &Apache::courseclassifier::sort_cats('1',$cat_order,$codetitles,\@unsorted,\@sorted_sems); 313: $output .= 'idcse_by_sem_sems = new Array("'.join('","',@sorted_sems).'");'."\n". 314: 'idcse_by_sem_dept = new Array('.scalar(@sorted_sems).');'."\n". 315: 'idcse_by_sem_num = new Array('.scalar(@sorted_sems).');'."\n"; 316: for (my $i=0; $i<@sorted_sems; $i++) { 317: my $numkeys = keys(%{$by_sem->{$sorted_sems[$i]}}); 318: $output .= " idcse_by_sem_num[$i] = new Array($numkeys);\n"; 319: if (ref($by_sem->{$sorted_sems[$i]}) eq 'HASH') { 320: @unsorted = keys(%{$by_sem->{$sorted_sems[$i]}}); 321: my @sorted_depts; 322: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_depts); 323: $output .= qq| idcse_by_sem_dept[$i] = new Array("|.join('","',@sorted_depts).'");'."\n"; 324: for (my $j=0; $j<@sorted_depts; $j++) { 325: $output .= qq| idcse_by_sem_num[$i][$j] = new Array ("|.join('","',sort(@{$by_sem->{$sorted_sems[$i]}->{$sorted_depts[$j]}})).'");'."\n"; 326: } 327: } 328: } 329: @unsorted = keys(%{$by_dept}); 330: my @sorted_deps; 331: &Apache::courseclassifier::sort_cats('2',$cat_order,$codetitles,\@unsorted,\@sorted_deps); 332: $output .= 'idcse_by_dep = new Array('.scalar(@sorted_deps).');'."\n"; 333: for (my $k=0; $k<@sorted_deps; $k++) { 334: $output .= qq| idcse_by_dep[$k] = new Array ("|.join('","',sort(@{$by_dept->{$sorted_deps[$k]}})).'");'."\n"; 335: } 336: return $output; 337: } 338: 339: sub search_courselist { 340: my ($domain) = @_; 341: my ($instcode,%codedefaults,@code_order); 342: my $defaults_result = 343: &Apache::lonnet::auto_instcode_defaults($domain,\%codedefaults, 344: \@code_order); 345: if ($defaults_result eq 'ok') { 346: $instcode ='^'; 347: foreach my $item (@code_order) { 348: if ($env{'form.'.$item} eq '0' ) { 349: $instcode .= $codedefaults{$item}; 350: } else { 351: $instcode .= $env{'form.'.$item}; 352: } 353: } 354: $instcode .= '$'; 355: } else { 356: $instcode = '.'; 357: } 358: my %courses = &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.', 359: undef,undef,'Course',1); 360: return %courses; 361: } 362: 363: 364: sub print_course_listing { 365: my ($domain) = @_; 366: my $output; 367: my %courses; 368: if ($env{'form.coursenum'} ne '') { 369: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.', 370: $env{'form.coursenum'}, 371: undef,undef,'Course'); 372: if (keys(%courses) == 0) { 373: $output .= &mt('The courseID provided does not match a course in this domain.'); 374: return $output; 375: } 376: } else { 377: %courses = &search_courselist($domain); 378: if (keys(%courses) == 0) { 379: $output = &mt('No courses match the criteria you selected.'); 380: return $output; 381: } 382: if (&user_is_known()) { 383: $output = &mt('<b>Note for students:</b> 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.<br /><br />'); 384: } 385: } 386: $output .= &Apache::loncommon::start_data_table(). 387: &Apache::loncommon::start_data_table_header_row(); 388: my @coltitles = ('Code','Sections','Crosslisted','Title','Owner'); 389: my %sortname; 390: if ($env{'form.coursenum'} eq '') { 391: $sortname{'Code'} = 'code'; 392: $sortname{'Title'} = 'title'; 393: $sortname{'Owner'} = 'owner'; 394: } 395: foreach my $item (@coltitles) { 396: $output .= '<th>'; 397: if (defined($sortname{$item})) { 398: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>'; 399: } else { 400: $output .= &mt($item); 401: } 402: $output .= '</th>'; 403: } 404: if (&user_is_known()) { 405: if ($env{'form.coursenum'} eq '') { 406: $output .= '<th> </th>'; 407: } else { 408: $output .= 409: '<th>'.&mt('Default Access Dates for Students').'</th>'. 410: '<th>'.&mt('Student Counts').'</th>'. 411: '<th>'.&mt('Auto-enrollment of <br />registered students').'</th>'; 412: } 413: } 414: &Apache::loncommon::end_data_table_header_row(); 415: my %courseinfo = &build_courseinfo_hash(%courses); 416: my %Sortby; 417: foreach my $course (sort(keys(%courses))) { 418: if ($env{'form.sortby'} eq 'code') { 419: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course); 420: } elsif ($env{'form.sortby'} eq 'owner') { 421: push(@{$Sortby{$courseinfo{$course}{'ownerlastname'}}},$course); 422: } else { 423: push(@{$Sortby{$courseinfo{$course}{'title'}}},$course); 424: } 425: } 426: my @sorted_courses; 427: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner')) { 428: @sorted_courses = sort(keys(%Sortby)); 429: } else { 430: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby)); 431: } 432: foreach my $item (@sorted_courses) { 433: foreach my $course (@{$Sortby{$item}}) { 434: $output.=&Apache::loncommon::start_data_table_row(); 435: $output.=&courseinfo_row($courseinfo{$course}); 436: $output.=&Apache::loncommon::end_data_table_row(); 437: } 438: } 439: $output .= &Apache::loncommon::end_data_table(); 440: my $echo = &Apache::lonhtmlcommon::echo_form_input(['coursenum','state','catalogfilter','sortby']); 441: $output .= $echo; 442: return $output; 443: } 444: 445: sub build_courseinfo_hash { 446: my (%courses) = @_; 447: my %courseinfo; 448: my $now = time; 449: foreach my $course (keys(%courses)) { 450: my $descr; 451: if ($courses{$course} =~ m/^([^:]*):/i) { 452: $descr = &unescape($1); 453: } else { 454: $descr = &unescape($courses{$course}); 455: } 456: my $cleandesc=&HTML::Entities::encode($descr,'<>&"'); 457: $cleandesc=~s/'/\\'/g; 458: $cleandesc =~ s/^\s+//; 459: my ($cdom,$cnum)=split(/\_/,$course); 460: 461: my ($desc,$instcode,$owner,$ttype) = split(/:/,$courses{$course}); 462: $owner = &unescape($owner); 463: my ($ownername,$ownerdom); 464: if ($owner =~ /:/) { 465: ($ownername,$ownerdom) = split(/:/,$owner); 466: } else { 467: $ownername = $owner; 468: if ($owner ne '') { 469: $ownerdom = $cdom; 470: } 471: } 472: my %ownernames; 473: if ($ownername ne '' && $ownerdom ne '') { 474: %ownernames = &Apache::loncommon::getnames($ownername,$ownerdom); 475: } 476: $courseinfo{$course}{'cdom'} = $cdom; 477: $courseinfo{$course}{'cnum'} = $cnum; 478: $courseinfo{$course}{'code'} = $instcode; 479: $courseinfo{$course}{'ownerlastname'} = $ownernames{'lastname'}; 480: $courseinfo{$course}{'title'} = $cleandesc; 481: $courseinfo{$course}{'owner'} = $owner; 482: 483: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum); 484: my @classids; 485: my @crosslistings; 486: my $seclist = &identify_sections($coursehash{'internal.sectionnums'}); 487: $courseinfo{$course}{'seclist'} = $seclist; 488: my $xlist_items = &identify_sections($coursehash{'internal.crosslistings'}); 489: my $showsyllabus = 1; # default is to include a syllabus link 490: if (defined($coursehash{'showsyllabus'})) { 491: $showsyllabus = $coursehash{'showsyllabus'}; 492: } 493: $courseinfo{$course}{'showsyllabus'} = $showsyllabus; 494: if (defined($env{'form.coursenum'})) { 495: if ($cnum eq $env{'form.coursenum'}) { 496: $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum); 497: $courseinfo{$course}{'autoenrollment'} = 498: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items, 499: $instcode,$owner,$cdom,$cnum); 500: 501: my $startaccess = ''; 502: my $endaccess = ''; 503: my $accessdates; 504: if ( defined($coursehash{'default_enrollment_start_date'}) ) { 505: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'}); 506: } 507: if ( defined($coursehash{'default_enrollment_end_date'}) ) { 508: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'}); 509: if ($coursehash{'default_enrollment_end_date'} == 0) { 510: $endaccess = "No ending date"; 511: } 512: } 513: if ($startaccess) { 514: $accessdates .= &mt('<i>From:</i> ').$startaccess.'<br />'; 515: } 516: if ($endaccess) { 517: $accessdates .= &mt('<i>To:</i> ').$endaccess.'<br />'; 518: } 519: $courseinfo{$course}{'access'} = $accessdates; 520: } 521: } 522: if ($xlist_items eq '') { 523: $xlist_items = &mt('No'); 524: } 525: $courseinfo{$course}{'xlist'} = $xlist_items; 526: } 527: return %courseinfo; 528: } 529: 530: sub count_students { 531: my ($cdom,$cnum) = @_; 532: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum); 533: my %student_count = ( 534: Active => 0, 535: Future => 0, 536: Expired => 0, 537: ); 538: my %idx; 539: $idx{'status'} = &Apache::loncoursedata::CL_STATUS(); 540: my %status_title = &Apache::lonlocal::texthash( 541: Expired => 'Previous access', 542: Active => 'Current access', 543: Future => 'Future access', 544: ); 545: 546: while (my ($student,$data) = each(%$classlist)) { 547: $student_count{$data->[$idx{'status'}]} ++; 548: } 549: 550: my $countslist; 551: foreach my $status ('Active','Future') { 552: $countslist .= '<nobr>'.$status_title{$status}.': '. 553: $student_count{$status}.'</nobr><br />'; 554: } 555: return $countslist; 556: } 557: 558: sub courseinfo_row { 559: my ($info) = @_; 560: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items, 561: $accessdates,$showsyllabus,$counts,$autoenrollment,$output); 562: if (ref($info) eq 'HASH') { 563: $cdom = $info->{'cdom'}; 564: $cnum = $info->{'cnum'}; 565: $title = $info->{'title'}; 566: $ownerlast = $info->{'ownerlastname'}; 567: $code = $info->{'code'}; 568: $owner = $info->{'owner'}; 569: $seclist = $info->{'seclist'}; 570: $xlist_items = $info->{'xlist'}; 571: $accessdates = $info->{'access'}; 572: $counts = $info->{'counts'}; 573: $autoenrollment = $info->{'autoenrollment'}; 574: $showsyllabus = $info->{'showsyllabus'}; 575: } else { 576: $output = '<td colspan="8">'.&mt('No information available for [_1].', 577: $code).'</td>'; 578: return $output; 579: } 580: $output .= '<td>'.$code.'</td>'. 581: '<td>'.$seclist.'</td>'. 582: '<td>'.$xlist_items.'</td>'. 583: '<td>'.$title.' <font size="-2">'; 584: if ($showsyllabus) { 585: $output .= &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$cnum,$cdom); 586: } else { 587: $output .= ' '; 588: } 589: $output .= '</font></td>'. 590: '<td>'.$ownerlast.'</td>'; 591: if (&user_is_known()) { 592: if ($env{'form.coursenum'} eq '') { 593: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>'; 594: } else { 595: $output .= 596: '<td>'.$accessdates.'</td>'. 597: '<td>'.$counts.'</td>'. 598: '<td>'.$autoenrollment.'</td>'; 599: } 600: } 601: return $output; 602: } 603: 604: sub identify_sections { 605: my ($seclist) = @_; 606: my @secnums; 607: if ($seclist =~ /,/) { 608: my @sections = split(/,/,$seclist); 609: foreach my $sec (@sections) { 610: $sec =~ s/:[^:]*$//; 611: push(@secnums,$sec); 612: } 613: } else { 614: if ($seclist =~ m/^([^:]+):/) { 615: my $sec = $1; 616: if (!grep(/^\Q$sec\E$/,@secnums)) { 617: push(@secnums,$sec); 618: } 619: } 620: } 621: @secnums = sort {$a <=> $b} @secnums; 622: my $seclist = join(', ',@secnums); 623: return $seclist; 624: } 625: 626: sub get_valid_classes { 627: my ($seclist,$xlist_items,$crscode,$owner,$cdom,$cnum) = @_; 628: my $response; 629: my %validations; 630: @{$validations{'sections'}} = (); 631: @{$validations{'xlists'}} = (); 632: my $totalitems = 0; 633: if ($seclist) { 634: foreach my $sec (split(',',$seclist)) { 635: my $class = $crscode.$sec; 636: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owner, 637: $class) eq 'ok') { 638: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) { 639: push(@{$validations{'sections'}},$sec); 640: $totalitems ++; 641: } 642: } 643: } 644: } 645: if ($xlist_items) { 646: foreach my $item (split(',',$xlist_items)) { 647: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owner, 648: $item) eq 'ok') { 649: if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) { 650: push(@{$validations{'xlists'}},$item); 651: $totalitems ++; 652: } 653: } 654: } 655: } 656: if ($totalitems > 0) { 657: if (@{$validations{'sections'}}) { 658: $response = &mt('Sections: '). 659: join(',',@{$validations{'sections'}}).'<br />'; 660: } 661: if (@{$validations{'xlists'}}) { 662: $response .= &mt('Courses: '). 663: join(',',@{$validations{'xlists'}}); 664: } 665: } 666: return $response; 667: } 668: 669: sub javascript_select_filler { 670: my ($formname,$scripttext,$codetitles,$longtitles_str,$allidlist) = @_; 671: my $output = <<END; 672: function courseSet() { 673: var longtitles = new Array ("$longtitles_str"); 674: var valyr = document.$formname.Year.options[document.$formname.Year.selectedIndex].value 675: var valsem = document.$formname.Semester.options[document.$formname.Semester.selectedIndex].value 676: var valdept = document.$formname.Department.options[document.$formname.Department.selectedIndex].value 677: var valclass = document.$formname.Number.options[document.$formname.Number.selectedIndex].value 678: var idyears = new Array("$allidlist"); 679: var idyr = -1; 680: var idsem = -1; 681: var iddept = -1; 682: document.$formname.Number.length = 0; 683: 684: $scripttext 685: 686: selYear = document.$formname.Year.selectedIndex-1; 687: selSemester = document.$formname.Semester.selectedIndex-1; 688: selDepartment = document.$formname.Department.selectedIndex-1; 689: if (selYear == -1) { 690: if (selSemester == -1) { 691: if (selDepartment > -1) { 692: document.$formname.Number.options[0] = new Option('All','0',false,false); 693: for (var k=0; k<idcse_by_dep[selDepartment].length; k++) { 694: document.$formname.Number.options[k+1] = new Option(idcse_by_dep[selDepartment][k],idcse_by_dep[selDepartment][k],false,false); 695: 696: } 697: } 698: else { 699: document.$formname.Number.options[0] = new Option("All","0",true,true); 700: } 701: } 702: else { 703: if (selDepartment > -1) { 704: for (var i=0; i<idcse_by_sem_sems.length; i++) { 705: if (idcse_by_sem_sems[i] == valsem) { 706: idsem = i; 707: } 708: } 709: if (idsem != -1) { 710: for (var i=0; i<idcse_by_sem_dept[idsem].length; i++) { 711: if (idcse_by_sem_dept[idsem][i] == valdept) { 712: iddept = i; 713: } 714: } 715: } 716: if (iddept != -1) { 717: document.$formname.Number.options[0] = new Option('All','0',false,false); 718: for (var k=0; k<idcse_by_sem_num[idsem][iddept].length; k++) { 719: document.$formname.Number.options[k+1] = new Option(idcse_by_sem_num[idsem][iddept][k],idcse_by_sem_num[idsem][iddept][k],false,false); 720: } 721: } 722: else { 723: document.$formname.Number.options[0] = new Option('No courses','0',true,true); 724: } 725: } 726: else { 727: document.$formname.Number.options[0] = new Option("All","0",true,true); 728: } 729: } 730: } 731: else { 732: if (selSemester == -1) { 733: if (selDepartment > -1) { 734: for (var i=0; i<idcse_by_yr_year.length; i++) { 735: if (idcse_by_yr_year[i] == valyr) { 736: idyr = i; 737: } 738: } 739: if (idyr != -1) { 740: for (var i=0; i<idcse_by_yr_dept[idyr].length; i++) { 741: if (idcse_by_yr_dept[idyr][i] == valdept) { 742: iddept = i; 743: } 744: } 745: } 746: if (iddept != -1) { 747: document.$formname.Number.options[0] = new Option('All','0',false,false); 748: for (var k=0; k<idcse_by_yr_num[idyr][iddept].length; k++) { 749: document.$formname.Number.options[k+1] = new Option(idcse_by_yr_num[idyr][iddept][k],idcse_by_yr_num[idyr][iddept][k],false,false); 750: } 751: } 752: else { 753: document.$formname.Number.options[0] = new Option('No courses','0',true,true); 754: } 755: } 756: else { 757: document.$formname.Number.options[0] = new Option("All","0",true,true); 758: } 759: } 760: else { 761: if (selDepartment > -1) { 762: for (var k=0; k<idyears.length; k++) { 763: if (idyears[k] == valyr) { 764: idyr = k; 765: } 766: } 767: if (idyr != -1) { 768: for (var k=0; k<idsems[idyr].length; k++) { 769: if (idsems[idyr][k] == valsem) { 770: idsem = k; 771: } 772: } 773: } 774: if (idsem != -1) { 775: for (var k=0; k<idcodes[idyr][idsem].length; k++) { 776: if (idcodes[idyr][idsem][k] == valdept) { 777: iddept = k; 778: } 779: } 780: } 781: if (iddept != -1) { 782: document.$formname.Number.options[0] = new Option('All','0',false,false); 783: for (var i=0; i<idcourses[idyr][idsem][iddept].length; i++) { 784: var display = idcourses[idyr][idsem][iddept][i]; 785: if (longtitles[3] == 1) { 786: if (idcourseslongs[idyr][idsem][iddept][i] != "") { 787: display = idcourseslongs[idyr][idsem][iddept][i] 788: } 789: } 790: document.$formname.Number.options[i+1] = new Option(display,idcourses[idyr][idsem][iddept][i],false,false) 791: } 792: } 793: else { 794: document.$formname.Number.options[0] = new Option('No courses','0',true,true); 795: } 796: } 797: else { 798: document.$formname.Number.options[0] = new Option('All','0',true,true); 799: } 800: } 801: document.$formname.Number.selectedIndex = 0 802: } 803: } 804: END 805: return $output; 806: } 807: 808: sub autoenroll_info { 809: my ($coursehash,$now,$seclist,$xlist_items,$code,$owner,$cdom,$cnum) = @_; 810: my $autoenrolldates = &mt('Not enabled'); 811: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) { 812: my ($autostart,$autoend); 813: if ( defined($coursehash->{'internal.autostart'}) ) { 814: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'}); 815: } 816: if ( defined($coursehash->{'internal.autoend'}) ) { 817: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'}); 818: } 819: if ($coursehash->{'internal.autostart'} > $now) { 820: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) { 821: $autoenrolldates = &mt('Not enabled'); 822: } else { 823: my $valid_classes = 824: &get_valid_classes($seclist,$xlist_items,$code, 825: $owner,$cdom,$cnum); 826: if ($valid_classes ne '') { 827: $autoenrolldates = &mt('Not enabled<br />Starts: '). 828: $autostart.'<br />'.$valid_classes; } 829: } 830: } else { 831: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) { 832: $autoenrolldates = &mt('Not enabled<br />Ended: ').$autoend; 833: } else { 834: my $valid_classes = &get_valid_classes($seclist,$xlist_items, 835: $code,$owner,$cdom,$cnum); 836: if ($valid_classes ne '') { 837: $autoenrolldates = &mt('Currently enabled<br />'). 838: $valid_classes; 839: } 840: } 841: } 842: } 843: return $autoenrolldates; 844: } 845: 846: sub user_is_known { 847: my $known = 0; 848: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public' 849: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') { 850: $known = 1; 851: } 852: return $known; 853: } 854: 855: 1;