Annotation of loncom/interface/lonpickcourse.pm, revision 1.92

1.1       www         1: # The LearningOnline Network
                      2: # Pick a course
                      3: #
1.92    ! raeburn     4: # $Id: lonpickcourse.pm,v 1.91 2009/12/02 18:33:27 bisitz Exp $
1.1       www         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::lonpickcourse;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::loncommon;
                     34: use Apache::loncoursedata;
                     35: use Apache::lonnet;
1.8       www        36: use Apache::lonlocal;
1.46      raeburn    37: use Apache::longroup;
1.78      raeburn    38: use Apache::courseclassifier;
1.85      raeburn    39: use LONCAPA qw(:DEFAULT :match);
1.1       www        40: 
                     41: sub handler {
                     42:     my $r = shift;
1.8       www        43:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        44:     $r->send_http_header;
                     45:     return OK if $r->header_only;
                     46: 
                     47: # ------------------------------------------------------------ Print the screen
1.40      albertel   48: 
1.55      raeburn    49:     # Get parameters from query string
1.1       www        50:     &Apache::loncommon::get_unprocessed_cgi
1.55      raeburn    51:         ($ENV{'QUERY_STRING'},['domainfilter','form','cnumelement',
1.19      raeburn    52: 			       'cdomelement','cnameelement','roleelement',
1.85      raeburn    53:                                'multiple','type','setroles','fixeddom','cloner']);
1.90      raeburn    54:     my ($type,$title,$jscript,$multelement,$multiple,$roleelement,$typeelement,
1.85      raeburn    55:         $lastaction,$autosubmit,$submitopener,$cloneruname,$clonerudom);
1.55      raeburn    56: 
1.83      raeburn    57:     # Get course type - Course or Community.
1.54      raeburn    58:     $type = $env{'form.type'};
                     59:     if (!defined($env{'form.type'})) {
                     60:         $type = 'Course';
                     61:     }
1.82      bisitz     62:     $title = 'Selecting a '.$type;
1.54      raeburn    63: 
                     64:     # Setup for multiple course selections, if flag for multiples set.
1.55      raeburn    65:     $multiple = $env{'form.multiple'};
                     66:     if ($multiple) {
                     67:         ($jscript,$multelement) = &multiples_tag();
1.82      bisitz     68:         $title = 'Selecting '.$type.'(s)';
1.54      raeburn    69:     }
                     70: 
1.55      raeburn    71:     # if called when a DC is selecting a course 
1.54      raeburn    72:     my $roledom = $env{'form.roleelement'};
                     73:     if ($roledom) {
                     74:         $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
1.66      raeburn    75:         $submitopener = &processpick();
1.54      raeburn    76:         $autosubmit = 'process_pick("'.$roledom.'")';
                     77:     }
1.90      raeburn    78:     if ($env{'form.typeelement'} ne '') {
                     79:         $typeelement = '<input type="hidden" name="typeelement" value="'.$env{'form.typeelement'}.'" />';
                     80:     }
1.54      raeburn    81: 
1.92    ! raeburn    82:     # if called when a DC is creating a course for another user.
1.85      raeburn    83:     if ($env{'form.form'} eq 'ccrs') {
                     84:         ($cloneruname,$clonerudom) = ($env{'form.cloner'} =~ /^($match_username):($match_domain)$/);
                     85:     }
                     86: 
                     87:     # if called when requesting a course
                     88:     if ($env{'form.form'} eq 'requestcrs') {
                     89:         $cloneruname = $env{'user.name'};
                     90:         $clonerudom =  $env{'user.domain'};
                     91:     }
                     92: 
1.54      raeburn    93:     my $onlyown = 0;
1.55      raeburn    94:     # if called to assign course-based portfolio access control
1.59      raeburn    95:     if ((($env{'form.form'} eq 'portform') && (!$env{'user.adv'}))) {
1.54      raeburn    96:         $onlyown = 1;
1.49      raeburn    97:     }
1.55      raeburn    98: 
                     99:     my %loaditem;
1.84      raeburn   100:     if (($env{'form.type'} eq 'Course') && ($env{'form.numtitles'})) {
                    101:         if (($env{'form.official'} eq 'on') && ($env{'form.state'} eq 'listing')) {
                    102:             $loaditem{'onload'} = 'setElements(document.filterpicker); ';
                    103:         }
1.78      raeburn   104:     }
                    105: 
1.66      raeburn   106:     if ((($env{'form.form'} eq 'cu') || ($env{'form.form'} eq 'studentform')) && 
                    107:         ($env{'form.pickedcourse'})) {
1.89      raeburn   108:         $loaditem{'onload'} .= 'setRoles();setSections();';
1.30      raeburn   109:     }
1.85      raeburn   110:     my $js = &js_changer();
                    111:     $r->print(&Apache::loncommon::start_page($title,$js,
1.42      albertel  112: 					     {'add_entries' => \%loaditem,
1.41      albertel  113: 					      'no_nav_bar'  => 1, }));
1.55      raeburn   114: 
                    115:     if ($env{'form.form'} eq 'portform') {
                    116:         $lastaction = 'document.courselist.submit()';
1.67      raeburn   117:     } elsif ($env{'form.form'} eq 'cu' || ($env{'form.form'} eq 'studentform' &&
                    118:         !$multiple)) {
1.55      raeburn   119:         $lastaction = 
                    120:              'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
                    121:              'document.courselist.submit();';
1.34      albertel  122:     } else {
1.55      raeburn   123:         $lastaction = 'self.close()';
1.1       www       124:     }
1.19      raeburn   125: 
1.55      raeburn   126:     # if called to assign a role in a course to a user via CUSR
1.66      raeburn   127:     if ($env{'form.form'} eq 'cu' || $env{'form.form'} eq 'studentform') {
1.68      raeburn   128:         $r->print(&create_user_javascript($type));
1.55      raeburn   129:     }
1.54      raeburn   130: 
1.55      raeburn   131:     # print javascript functions for choosing a course 
1.85      raeburn   132:     if ((($env{'form.gosearch'}) && ($env{'form.updater'} eq '')) || 
                    133:         $onlyown) {
1.58      raeburn   134:         $r->print(&gochoose_javascript($type,$multiple,$autosubmit,$lastaction));
1.55      raeburn   135:     }
1.79      raeburn   136:     $r->print('<script type="text/javascript" language="Javascript">'.$jscript.
                    137:               '</script>');
1.55      raeburn   138:     $r->print($submitopener);
1.54      raeburn   139: 
1.55      raeburn   140: # ------------------------------------------ Display of filters to limit search
1.57      raeburn   141:     my $filter = {};
                    142:     my $action = '/adm/pickcourse';
1.79      raeburn   143:     my ($numtitles,$showroles,$nohost);
1.55      raeburn   144:     if (!$onlyown) {
                    145:         my $filterlist = ['domainfilter','descriptfilter',
1.79      raeburn   146:                           'instcodefilter'];
                    147:         if ($env{'form.form'} eq 'rules') {
                    148:             push(@{$filterlist},'personfilter');
                    149:             if (($env{'form.personfilter'} ne '') && ($env{'form.persondomfilter'} ne '')) {
                    150:                 if (&Apache::lonnet::homeserver($env{'form.personfilter'},
                    151:                                                  $env{'form.persondomfilter'}) eq 'no_host') {
                    152:                     $nohost = 1;
                    153:                 } else {
                    154:                     $showroles = 1;
                    155:                 } 
                    156:             }
                    157:         } else {
                    158:             push(@{$filterlist},'ownerfilter');
                    159:         }
1.55      raeburn   160:         # course ID filter for DCs only
                    161:         if ($env{'user.adv'} && $env{'form.domainfilter'} &&
                    162:             exists($env{'user.role.dc./'.$env{'form.domainfilter'}.'/'})) {
                    163:             push(@{$filterlist},'coursefilter');
                    164:         }
1.85      raeburn   165:         if ($cloneruname ne '' && $clonerudom ne '') {
                    166:             push(@{$filterlist},'cloneableonly');
                    167:         }
                    168: 
1.55      raeburn   169:         $r->print(&build_filters($filterlist,$type,$roleelement,$multelement,
1.85      raeburn   170:                                  $filter,$action,\$numtitles,undef,$cloneruname,
1.90      raeburn   171:                                  $clonerudom,$typeelement));
1.55      raeburn   172:     }
1.54      raeburn   173: 
                    174: # ---------------------------------------------------------------- Get the data
1.85      raeburn   175:     if ((($env{'form.gosearch'}) && ($env{'form.updater'} eq '')) || 
                    176:          $onlyown) {
                    177:         my %courses = &search_courses($r,$type,$onlyown,$filter,$numtitles,
                    178:                                       $cloneruname,$clonerudom);
1.79      raeburn   179:         if ($nohost) {
                    180:             $r->print ('<span class="LC_warning">'.
                    181:                        &mt('User does not exist - username: [_1], domain: [_2].',
                    182:                            '<b>'.$filter->{'personfilter'}.'</b>',
                    183:                            '<b>'.$filter->{'persondomfilter'}.'</b>').'</span>');
                    184:         } else {
1.85      raeburn   185:             &display_matched_courses($r,$type,$multiple,$action,$showroles,$cloneruname,
                    186:                                      $clonerudom,%courses);
1.79      raeburn   187:         }
1.54      raeburn   188:     }
                    189:     $r->print(&Apache::loncommon::end_page());
                    190:     return OK;
                    191: }
                    192: 
1.85      raeburn   193: sub js_changer {
                    194:     return <<"ENDJS";
                    195: <script type="text/javascript">
                    196: 
                    197: function updateFilters(caller) {
                    198:     if (typeof(caller) != "undefined") {
                    199:         document.filterpicker.updater.value = caller.name;
                    200:     }
                    201:     document.filterpicker.submit();
                    202: }
                    203: 
                    204: </script>
                    205: 
                    206: ENDJS
                    207: 
                    208: }
                    209: 
1.66      raeburn   210: sub processpick {
                    211:     my $openerform = 'rolechoice';
                    212:     if ($env{'form.form'} eq 'studentform') {
                    213:         $openerform = $env{'form.form'};
                    214:     }
                    215:     my $process_pick = <<"ENDONE";
                    216: <script type="text/javascript">
                    217: function process_pick(dom) {
                    218:     var pickedCourse=opener.document.$openerform.$env{'form.cnumelement'}.value;
                    219:     var pickedDomain=opener.document.$openerform.$env{'form.cdomelement'}.value;
                    220:     var okDomain = 0;
                    221: ENDONE
                    222:     if ($openerform eq 'rolechoice') {
                    223:         $process_pick .= <<"ENDTWO";
                    224:     if (pickedDomain == dom) {
                    225:         if (pickedCourse != '') {
1.88      raeburn   226:             var ccrole = "cc";
                    227:             var pickedType = "$env{'form.type'}";
                    228:             if (pickedType == "Community") {
                    229:                 ccrole = "co";
                    230:             }
                    231:             var courseTarget = ccrole+"./"+pickedDomain+"/"+pickedCourse
1.66      raeburn   232:             opener.document.title='Role selected. Please stand by.';
                    233:             opener.status='Role selected. Please stand by.';
                    234:             opener.document.rolechoice.newrole.value=courseTarget
                    235:             opener.document.rolechoice.submit();
                    236:         }
                    237:     } 
                    238:     else {
                    239:         alert("You may only use this screen to select courses in the current domain: "+dom+"\\nPlease return to the roles page window and click the 'Select Course' link for domain: "+pickedDomain+",\\n if you are a Domain Coordinator in that domain, and wish to become a Course Coordinator in a course in the domain");
                    240:     }
                    241: ENDTWO
                    242:     } else {
                    243:         $process_pick .= <<"ENDTHREE";
                    244:     if (pickedDomain != dom) {
                    245:         alert("You may only use this screen to select courses in the current domain: "+dom+"\\nPlease return to the roles page window and click the 'Select Course' link for domain: "+pickedDomain+",\\n if you are a Domain Coordinator in that domain, and wish to become a Course Coordinator in a course in the domain");
                    246:         return;
                    247:     }
                    248: ENDTHREE
                    249:     }
                    250:     $process_pick .= "
                    251: }
                    252: 
                    253: </script>
                    254: ";
                    255:     return $process_pick;
                    256: }
                    257: 
1.55      raeburn   258: sub create_user_javascript {
                    259:     my ($type) = @_;
                    260:     my $output;
                    261:     #javascript for reporting sections and groups then closing
                    262:     if ($env{'form.pickedcourse'}) {
1.87      raeburn   263:         my %coursedescription = 
                    264:             &Apache::lonnet::coursedescription($env{'form.pickedcourse'},
                    265:                                                {'one_time' => '1'});
                    266:         my $cdom = $coursedescription{'domain'};
                    267:         my $cnum = $coursedescription{'num'};
                    268:         my $crstype = $coursedescription{'type'};
1.55      raeburn   269:         my $sec_element = 'currsec';
                    270:         my $grplist_element = 'groups';
                    271:         my ($sections,$groups) =
                    272:           &Apache::loncommon::get_secgrprole_info($cdom,$cnum,'',$type);
                    273:         my $num_sections = scalar(@{$sections});
                    274:         my $seclist = join(',',@{$sections});
                    275:         my $num_groups = scalar(@{$groups});
                    276:         my $groupslist = join(',',@{$groups});
                    277:         $output = qq|
                    278: <script type="text/javascript">
                    279: function setSections() {
                    280:     opener.document.$env{"form.form"}.$grplist_element.value='$groupslist';
                    281:     window.opener.setSect('$seclist');
1.87      raeburn   282:     self.close();
                    283: }
                    284: function setRoles() {
                    285:     window.opener.setRole('$crstype');
1.55      raeburn   286: }
                    287: </script>
                    288: |;
                    289: ;
                    290:     }
                    291:     return $output;
                    292: }
                    293: 
1.54      raeburn   294: sub display_matched_courses {
1.85      raeburn   295:     my ($r,$type,$multiple,$action,$showroles,$cloneruname,$clonerudom,%courses) = @_;
1.55      raeburn   296:     if ($env{'form.form'} eq 'portform') {
                    297:         $action = '/adm/portfolio';
                    298:     }
1.68      raeburn   299:     my $numcourses = keys(%courses);
1.55      raeburn   300:     $r->print('<form name="courselist" method="post" action="'.$action.'">');
1.68      raeburn   301:     if ($env{'form.form'} eq 'modifycourse') {
                    302:         if ($numcourses > 0) {
1.89      raeburn   303:             my $ccrole = 'cc';
                    304:             if ($type eq 'Community') {
                    305:                 $ccrole = 'co';
                    306:             }
                    307:             my $cctitle = &Apache::lonnet::plaintext($ccrole,$type);
1.68      raeburn   308:             my $dctitle = &Apache::lonnet::plaintext('dc');
                    309:             my $ccrolechk = ' checked="checked" ';
                    310:             my $menuchk = ' ';
                    311:             if ($env{'form.prevphase'} ne '') {
1.92    ! raeburn   312:                 $ccrolechk = ' ';
        !           313:                 $menuchk = ' checked="checked" ';
1.68      raeburn   314:             }
                    315:             $r->print(
1.75      bisitz    316:                 '<fieldset>'
                    317:                .'<legend>'.&mt('Action').'</legend>'
                    318:                .'<div class="LC_nobreak"><label>'
                    319:                .'<input type="radio" name="phase" value="ccrole"'.$ccrolechk.'/>'
1.89      raeburn   320:                .'&nbsp;');
                    321:             if ($type eq 'Community') {
                    322:                 $r->print(&mt('Enter the community with the role of [_1].',$cctitle));
                    323:             } else {
                    324:                 $r->print(&mt('Enter the course with the role of [_1].',$cctitle));
                    325:             }
                    326:             $r->print('</label></div>'
1.75      bisitz    327:                .'<div class="LC_nobreak"><label>'
1.89      raeburn   328:                .'<input type="radio" name="phase" value="menu"'.$menuchk.'/>&nbsp;');
                    329:             if ($type eq 'Community') {
                    330:                 $r->print(&mt('View or modify community settings which only a [_1] may modify.',$dctitle));
                    331:             } else {
                    332:                 $r->print(&mt('View or modify course settings which only a [_1] may modify.',$dctitle));
                    333:             }
                    334:             $r->print('</label></div>'
1.75      bisitz    335:                .'</fieldset>'
                    336:                .'<br />'
                    337:             );
1.68      raeburn   338:         }
                    339:     }
1.54      raeburn   340:     my %by_descrip;
                    341:     foreach my $course (keys(%courses)) {
                    342:         my $descr;
1.64      raeburn   343:         if (ref($courses{$course}) eq 'HASH') {
1.65      raeburn   344:             $descr = $courses{$course}{'description'};
1.64      raeburn   345:         } elsif ($courses{$course} =~ m/^([^:]*):/i) {
1.54      raeburn   346:             $descr = &unescape($1);
1.34      albertel  347:         } else {
1.54      raeburn   348:             $descr = &unescape($courses{$course});
                    349:         }
                    350:         my $description = $descr;
                    351:         push (@{$by_descrip{$description}}, $course);
                    352:     }
1.71      bisitz    353:  
1.54      raeburn   354:     if ($numcourses > 1 && $multiple) {
                    355:         $r->print('<input type="button" value="check all"
                    356:                   onclick="javascript:checkAll(document.courselist.course_id)" />
                    357:                   &nbsp;&nbsp;<input type="button" value="uncheck all"
                    358:                   onclick="javascript:uncheckAll(document.courselist.course_id)" />
                    359:                   <br /><br />');
                    360:     }
1.71      bisitz    361: 
                    362:     if (%courses) {
                    363:         $r->print(&Apache::loncommon::start_data_table());
                    364:         $r->print(&Apache::loncommon::start_data_table_header_row());
1.89      raeburn   365:         my $titlehdr = &mt('Course Title');
                    366:         if ($type eq 'Community') {
                    367:             $titlehdr = &mt('Community Title');
                    368:         }
1.71      bisitz    369:         $r->print('<th>'.&mt('Select').'</th>'
1.89      raeburn   370:                  .'<th>'.$titlehdr.'</th>'
                    371:                  .'<th>'.&mt('Domain').'</th>');
                    372:         unless ($type eq 'Community') {
                    373:             $r->print('<th>'.&mt('Course Code').'</th>');
                    374:         }
                    375:         $r->print('<th>'.&mt('Owner/Co-owner(s)').'</th>');
1.79      raeburn   376:         if ($showroles) {
                    377:             $r->print('<th>'.&mt("Role(s) for [_1]",
                    378:                 &Apache::loncommon::plainname($env{'form.personfilter'},
                    379:                                               $env{'form.persondomfilter'},'firstname')).'</th>');
                    380:         }
1.71      bisitz    381:         $r->print(&Apache::loncommon::end_data_table_header_row());
                    382:     }
1.92    ! raeburn   383:     my %cc_cloneable;
        !           384:     if (($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) {
        !           385:         my ($coord_cloneable,$warning) =
        !           386:             &get_coordinator_cloneable($cloneruname,$clonerudom,$type);
        !           387:         if ($coord_cloneable) {
        !           388:             map {$cc_cloneable{$_} = 1;} split('&',$coord_cloneable);
        !           389:         }
        !           390:     }
1.54      raeburn   391:     foreach my $description (sort { lc($a) cmp lc($b) } (keys(%by_descrip))) {
                    392:         foreach my $course (@{$by_descrip{$description}}) {
1.72      raeburn   393:             $r->print(&Apache::loncommon::start_data_table_row());
1.54      raeburn   394:             my $cleandesc=&HTML::Entities::encode($description,'<>&"');
                    395:             $cleandesc=~s/'/\\'/g;
                    396:             my ($cdom,$cnum)=split(/\_/,$course);
1.85      raeburn   397:             my ($descr,$instcode,$ttype,$canclone,@owners);
1.64      raeburn   398:             if (ref($courses{$course}) eq 'HASH') {
                    399:                 $descr = $courses{$course}{'description'};
1.85      raeburn   400:                 $instcode = $courses{$course}{'inst_code'};
                    401:                 $ttype = $courses{$course}{'type'};
                    402:                 if (($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) {
1.92    ! raeburn   403:                     if ($cc_cloneable{$courses{$course}{'cnum'}.':'.$courses{$course}{'domain'}}) {
        !           404:                         $canclone = 1;
        !           405:                     }
        !           406:                     unless ($canclone) {
        !           407:                         my $cloners = $courses{$course}{'cloners'};
        !           408:                         if ($cloners ne '') { 
        !           409:                             my @cloneable = split(',',$cloners);
        !           410:                             if (grep(/^\*$/,@cloneable)) {
        !           411:                                 $canclone = 1;
        !           412:                             }
        !           413:                             if (grep(/^\*:\Q$env{'form.clonerudom'}\E$/,@cloneable)) {
        !           414:                                 $canclone = 1;
        !           415:                             }
        !           416:                             if (grep(/^\Q$cloneruname\E:\Q$clonerudom\E$/,@cloneable)) {
        !           417:                                 $canclone = 1;
        !           418:                             }
1.85      raeburn   419:                         }
                    420:                     }
                    421:                 }
1.64      raeburn   422:                 push(@owners,&unescape($courses{$course}{'owner'}));
                    423:                 if (ref($courses{$course}{'co-owners'}) eq 'ARRAY') {
                    424:                     foreach my $item (@{$courses{$course}{'co-owners'}}) {
                    425:                         push(@owners,&unescape($item));
                    426:                     }
                    427:                 }
                    428:             } else {
                    429:                 my $singleowner; 
                    430:                 ($descr,$instcode,$singleowner,$ttype)=split(/:/,$courses{$course});
                    431:                 push(@owners,&unescape($singleowner));
                    432:             }
1.72      raeburn   433:             my $ownerstr = join(', ',@owners);
1.85      raeburn   434:             $r->print('<td>'.&course_chooser($multiple,$cdom,$cnum,$cleandesc,$canclone).'</td>');
1.71      bisitz    435:             $r->print('<td>'.$description.'</td>');
                    436:             $r->print('<td>');
                    437:             $r->print(&Apache::lonnet::domain($cdom,'description')?
                    438:                       $cdom.' ('.&Apache::lonnet::domain($cdom,'description').')':$cdom);
                    439:             $r->print('</td>');
1.89      raeburn   440:             unless ($type eq 'Community') { 
                    441:                 $r->print('<td>');
                    442:                 if ($instcode ne '') {
                    443:                     $r->print(&unescape($instcode));
                    444:                 } else {
                    445:                     $r->print('&nbsp;');
                    446:                 }
                    447:                 $r->print('</td>');
1.54      raeburn   448:             }
1.72      raeburn   449:             $r->print('<td>'.$ownerstr.'</td>');
1.79      raeburn   450:             if ($showroles) {
                    451:                 $r->print('<td>');
                    452:                 my $rolestr;
                    453:                 if (ref($courses{$course}{'roles'}) eq 'ARRAY') {
                    454:                     my @roles = sort(@{$courses{$course}{'roles'}});
                    455:                     foreach my $role (@roles) {
                    456:                         if ($role =~ /^cr/) {
                    457:                             my (undef,$crdom,$crname,$crtitle) = split('/',$role);
                    458:                             $rolestr .= $crtitle.', ';
                    459:                         } else {
1.89      raeburn   460:                             $rolestr .= &Apache::lonnet::plaintext($role,$type).', ';
1.79      raeburn   461:                         }
                    462:                     }
                    463:                     $rolestr =~ s/\, $//;
                    464:                 }
                    465:                 $r->print($rolestr.'</td>');
                    466:             }
1.54      raeburn   467:             if ($multiple) { $r->print("</label>\n"); }
1.72      raeburn   468:             $r->print(&Apache::loncommon::end_data_table_row());
1.71      bisitz    469:             # $r->print("<br />\n");
1.19      raeburn   470:         }
                    471:     }
1.72      raeburn   472:     if (%courses) {
                    473:         $r->print(&Apache::loncommon::end_data_table());
                    474:     }
1.71      bisitz    475: 
1.54      raeburn   476:     if (!%courses) {
                    477:         $r->print(&mt('None found'));
                    478:     } elsif ($multiple) {
1.57      raeburn   479:         $r->print('<input type="button" value="Submit" onClick="gochoose('."'','','')".'" />');
1.54      raeburn   480:     }
                    481:     $r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'.
                    482:               "\n".'<input type="hidden" name="pickedcourse" value="" />'."\n".
                    483:               '<input type="hidden" name="type" value="'.$type.'" />'."\n");
                    484:     if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) {
                    485:         $r->print('<input type="hidden" name="roleelement" value="'.
                    486:                   $env{'form.roleelement'}.'" />'."\n");
                    487:     }
1.55      raeburn   488:     if ($env{'form.form'} eq 'portform') {
                    489:         $r->print('<input type="hidden" name="cnum" value="" />');
                    490:         $r->print('<input type="hidden" name="cdom" value="" />');
                    491:         $r->print('<input type="hidden" name="setroles" value="'.$env{'form.setroles'}.'" />');
                    492:         $r->print('<input type="hidden" name="action" value="rolepicker" />');
1.57      raeburn   493:     } elsif ($env{'form.form'} eq 'modifycourse') {
1.85      raeburn   494:         $r->print(&Apache::lonhtmlcommon::echo_form_input(['phase','pickedcourse','type','form','numtitles','state']));
1.57      raeburn   495:     } else {
                    496:         $r->print('<input type="hidden" name="cnumelement" value="'.
                    497:                   $env{'form.cnumelement'}.'" />'."\n".  
                    498:                   '<input type="hidden" name="cdomelement" value="'.
                    499:                   $env{'form.cdomelement'}.'" />'."\n");
1.90      raeburn   500:         if ($env{'form.typeelement'} ne '') {
                    501:             $r->print('<input type="hidden" name="typeelement" value="'.
                    502:                       $env{'form.typeelement'}.'" />'."\n");
                    503: 
                    504:         }
1.55      raeburn   505:     }
1.78      raeburn   506:     if ((exists($env{'form.fixeddom'})) && ($env{'form.form'} eq 'rules')) {
                    507:         $r->print('<input type="hidden" name="fixeddom" value="'.
                    508:                   $env{'form.fixeddom'}.'" />');
                    509:     }
                    510:     if ($env{'form.numtitles'}) {
                    511:         $r->print('<input type="hidden" name="numtitles" value="'.
                    512:                   $env{'form.numtitles'}.'" />');
                    513:     }
1.54      raeburn   514:     $r->print("</form>\n");
                    515:     return;
                    516: }
                    517: 
                    518: sub multiples_tag {
1.55      raeburn   519:     my $jscript = &Apache::loncommon::check_uncheck_jscript();
                    520:     my $multelement = '<input type="hidden" name="multiple" value="1" />';
                    521:     return ($jscript,$multelement);
1.1       www       522: }
1.30      raeburn   523: 
1.54      raeburn   524: sub build_filters {
1.57      raeburn   525:     my ($filterlist,$type,$roleelement,$multelement,$filter,$action,
1.90      raeburn   526:         $numtitlesref,$caller,$cloneruname,$clonerudom,$typeelement) = @_;
1.85      raeburn   527:     my ($list,$formname,$fixeddom,$codedom,$jscript);
                    528:     $codedom = $env{'request.role.domain'};
1.57      raeburn   529:     if (defined($env{'form.form'})) {
1.81      raeburn   530:         $formname = $env{'form.form'};
                    531:     } else {
                    532:         $formname = $caller;
1.57      raeburn   533:     }
1.84      raeburn   534:     my $onchange;
                    535:     unless ($env{'form.interface'} eq 'textual') {
1.85      raeburn   536:         $onchange = 'javascript:updateFilters(this)';
1.84      raeburn   537:     }
1.79      raeburn   538:     my ($domainselectform,$sincefilterform,$ownerdomselectform,$persondomselectform,
1.78      raeburn   539:         $instcodeform,$typeselectform,$instcodetitle);
1.55      raeburn   540:     foreach my $item (@{$filterlist}) {
1.54      raeburn   541:         $filter->{$item} = $env{'form.'.$item};
                    542:         if ($item ne 'descriptfilter' && $item ne 'instcodefilter') {
1.79      raeburn   543: 	    if ($item eq 'domainfilter') {
1.61      albertel  544: 		$filter->{$item} = &LONCAPA::clean_domain($filter->{$item});
                    545: 	    } elsif ($item eq 'coursefilter') {
                    546: 		$filter->{$item} = &LONCAPA::clean_courseid($filter->{$item});
                    547: 	    } elsif ($item eq 'ownerfilter') {
                    548: 		$filter->{$item} = &LONCAPA::clean_username($filter->{$item});
1.79      raeburn   549:                 $filter->{'ownerdomfilter'} = 
                    550:                     &LONCAPA::clean_domain($env{'form.ownerdomfilter'});
                    551:                 $ownerdomselectform =
                    552:                     &Apache::loncommon::select_dom_form($filter->{'ownerdomfilter'},
                    553:                                                         'ownerdomfilter',1);
                    554:             } elsif ($item eq 'personfilter') {
                    555:                 $filter->{$item} = &LONCAPA::clean_username($filter->{$item});
                    556:                 if ($env{'form.persondomfilter'} eq '') {
1.85      raeburn   557:                     unless ($env{'form.gosearch'}) {
1.79      raeburn   558:                         $filter->{'persondomfilter'} = $env{'request.role.domain'};
                    559:                     }
                    560:                 } else {
                    561:                     $filter->{'persondomfilter'} =
                    562:                         &LONCAPA::clean_domain($env{'form.persondomfilter'});
                    563:                 }
                    564:                 $persondomselectform =
                    565:                     &Apache::loncommon::select_dom_form($filter->{'persondomfilter'},
                    566:                                                         'persondomfilter',1);
1.61      albertel  567: 	    } else {
                    568: 		$filter->{$item} =~ s/\W//g;
                    569: 	    }
1.54      raeburn   570:             if (!$filter->{$item}) {
                    571:                 $filter->{$item} = '';
                    572:             }
                    573:         }
                    574:         if ($item eq 'domainfilter') {
1.63      albertel  575: 	    my $allow_blank = 1;
                    576: 	    if ($formname eq 'portform') {
                    577: 		$filter->{$item} ||= $env{'user.domain'};
                    578: 		$allow_blank=0;
1.67      raeburn   579: 	    } elsif ($formname eq 'studentform') {
                    580:                 $filter->{$item} ||= $env{'request.role.domain'};
                    581:                 $allow_blank=0;
                    582:             }
1.78      raeburn   583:             if ($env{'form.fixeddom'}) {
                    584:                 $domainselectform = '<input type="hidden" name="domainfilter"'.
                    585:                                     'value="'.$env{'request.role.domain'}.'" />'.
                    586:                                     &Apache::lonnet::domain($env{'request.role.domain'},
                    587:                                                             'description');
                    588:                 $codedom = $env{'request.role.domain'};
1.79      raeburn   589:             } else {
1.78      raeburn   590:                 $domainselectform =
                    591: 		    &Apache::loncommon::select_dom_form($filter->{$item},
                    592: 		    				        'domainfilter',
1.84      raeburn   593: 						        $allow_blank,'',$onchange);
1.78      raeburn   594:                 $codedom = $filter->{'domainfilter'};
                    595:             }
1.54      raeburn   596:         } else {
                    597:             $list->{$item} = &HTML::Entities::encode($filter->{$item},'<>&"');
                    598:         }
                    599:     }
                    600: 
                    601:     # last course activity filter and selection
                    602:     $filter->{'sincefilter'} = $env{'form.sincefilter'};
                    603:     $filter->{'sincefilter'} =~ s/[^\d-]//g;
                    604:     if (!$filter->{'sincefilter'}) { $filter->{'sincefilter'}=-1; }
1.91      bisitz    605:     $sincefilterform=&Apache::loncommon::select_form(
                    606:         $filter->{'sincefilter'},
                    607:         'sincefilter',
                    608:         (      '-1' => '',
                    609:             '86400' => &mt('today'),
                    610:            '604800' => &mt('last week'),
                    611:           '2592000' => &mt('last month'),
                    612:           '7776000' => &mt('last three months'),
                    613:          '15552000' => &mt('last six months'),
                    614:          '31104000' => &mt('last year'),
                    615:          'select_form_order' =>
                    616:             ['-1','86400','604800','2592000','7776000',
                    617:              '15552000','31104000']));
                    618: 
                    619:     my %lt = &Apache::lonlocal::texthash(
                    620:                 'cac' => "$type Activity",
                    621:                 'cde' => "$type Title",
                    622:                 'cdo' => "$type Domain",
                    623:                 'ins' => 'Institutional Code',
                    624:                 'inc' => 'Institutional Categorization',
                    625:                 'cow' => "$type Owner/Co-owner",
                    626:                 'cop' => "$type Personnel Includes",
                    627:                 'cog' => 'Type',
1.54      raeburn   628:              );
1.49      raeburn   629: 
1.89      raeburn   630:     if (($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) {
                    631:         my $typeval = 'Course';
                    632:         if ($type eq 'Community') {
                    633:             $typeval = 'Community';
                    634:         }
                    635:         $typeselectform = '<input type="hidden" name="type" value="'.$typeval.'" />';
                    636:     } else {
                    637:         $typeselectform =  '<select name="type" size="1"';
                    638:         if ($onchange) {
                    639:             $typeselectform .= 'onchange="'.$onchange.'"';
                    640:         }
                    641:         $typeselectform .= '>'."\n";
                    642:         foreach my $posstype ('Course','Community') {
                    643:             $typeselectform.='<option value="'.$posstype.'"'.
                    644:                 ($posstype eq $type ? ' selected="selected" ' : ''). ">".&mt($posstype)."</option>\n";
                    645:         }
                    646:         $typeselectform.="</select>";
1.84      raeburn   647:     }
1.85      raeburn   648:     
                    649:     my ($cloneableonlyform,$cloneabletitle);
                    650:     if (exists($filter->{'cloneableonly'})) {
                    651:         my $cloneableon = '';
                    652:         my $cloneableoff = ' checked="checked"';
                    653:         if ($filter->{'cloneableonly'}) {
                    654:             $cloneableon = $cloneableoff;
                    655:             $cloneableoff = '';
                    656:         }
1.86      raeburn   657:         $cloneableonlyform = '<span class="LC_nobreak"><label><input type="radio" name="cloneableonly" value="1" '.$cloneableon.'/>&nbsp;'.&mt('Required').'</label>'.('&nbsp;'x3).'<label><input type="radio" name="cloneableonly" value="" '.$cloneableoff.' />&nbsp;'.&mt('No restriction').'</label></span>';
1.85      raeburn   658:         if ($env{'form.form'} eq 'ccrs') {
                    659:             $cloneabletitle = &mt('Cloneable for').' '.$cloneruname.':'.$clonerudom;
                    660:         } else {
                    661:             $cloneabletitle = &mt('Cloneable by you');
                    662:         }
                    663:     }
1.80      raeburn   664:     my $officialjs;
1.54      raeburn   665:     if ($type eq 'Course') {
1.85      raeburn   666:         if (exists($filter->{'instcodefilter'})) {
                    667:             if (($env{'form.fixeddom'}) || ($formname eq 'requestcrs')
                    668:                 || ($formname eq 'modifycourse')) {
                    669:                 $officialjs = 1;
                    670:                 ($instcodeform,$jscript,$$numtitlesref) = 
                    671:                     &instcode_selectors($codedom,'filterpicker',$officialjs);
                    672:                 if ($jscript) {
                    673:                     $jscript = '<script type="text/javascript" language="Javascript">'.
                    674:                                $jscript.'</script>'."\n";
                    675:                 }
                    676:             }
                    677:             if ($instcodeform eq '') {
                    678:                 $instcodeform = 
                    679:                     '<input type="text" name="instcodefilter" size="10" value="'.
                    680:                     $list->{'instcodefilter'}.'" />';
                    681:                 $instcodetitle = $lt{'ins'};
                    682:             } else {
                    683:                 $instcodetitle = $lt{'inc'};
                    684:             }
                    685:             if ($env{'form.fixeddom'}) {
                    686:                 $instcodetitle .= '<br />('.$codedom.')';
                    687:             }
1.78      raeburn   688:         }
1.54      raeburn   689:     }
1.84      raeburn   690: 
1.57      raeburn   691:     my $output = qq|
1.85      raeburn   692: <form method="post" name="filterpicker" action="$action">
1.57      raeburn   693: <input type="hidden" name="form" value="$formname" />
                    694: |;
                    695:     if ($formname eq 'modifycourse') {
1.68      raeburn   696:         $output .= '<input type="hidden" name="phase" value="courselist" />'."\n".
                    697:                    '<input type="hidden" name="prevphase" value="'.
                    698:                    $env{'form.prevphase'}.'" />'."\n";
                    699:     } else {
1.57      raeburn   700:         my $name_input;
                    701:         if ($env{'form.cnameelement'} ne '') {
                    702:             $name_input = '<input type="hidden" name="cnameelement" value="'.
                    703:                           $env{'form.cnameelement'}.'" />';
                    704:         }
                    705:         $output .= qq|
1.27      albertel  706: <input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
                    707: <input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
1.13      albertel  708: $name_input
1.18      raeburn   709: $roleelement
1.35      raeburn   710: $multelement
1.90      raeburn   711: $typeelement
1.57      raeburn   712: |;
1.59      raeburn   713:         if ($formname eq 'portform') {
1.78      raeburn   714:             $output .= '<input type="hidden" name="setroles" value="'.$env{'form.setroles'}.'" />'."\n";
1.59      raeburn   715:         }
1.57      raeburn   716:     }
1.78      raeburn   717:     if ($env{'form.fixeddom'}) { 
                    718:         $output .= '<input type="hidden" name="fixeddom" value="'.$env{'form.fixeddom'}.'" />'."\n";
                    719:     }
1.74      bisitz    720:     $output .= "<br />\n".&Apache::lonhtmlcommon::start_pick_box();
1.57      raeburn   721:     if ($sincefilterform) { 
1.74      bisitz    722:         $output .= &Apache::lonhtmlcommon::row_title($lt{'cac'})
                    723:                   .$sincefilterform
                    724:                   .&Apache::lonhtmlcommon::row_closure();
1.57      raeburn   725:     }
                    726:     if ($domainselectform) {
1.74      bisitz    727:         $output .= &Apache::lonhtmlcommon::row_title($lt{'cdo'})
                    728:                   .$domainselectform
                    729:                   .&Apache::lonhtmlcommon::row_closure();
1.78      raeburn   730:     } 
1.57      raeburn   731:     if ($typeselectform) {
1.89      raeburn   732:         if (($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) {
                    733:             $output .= $typeselectform;
                    734:         } else {
                    735:             $output .= &Apache::lonhtmlcommon::row_title($lt{'cog'})
                    736:                       .$typeselectform
                    737:                       .&Apache::lonhtmlcommon::row_closure();
                    738:         }
1.57      raeburn   739:     }
                    740:     if ($instcodeform) {
1.78      raeburn   741:         $output .= &Apache::lonhtmlcommon::row_title($instcodetitle)
1.74      bisitz    742:                   .$instcodeform
                    743:                   .&Apache::lonhtmlcommon::row_closure();
1.57      raeburn   744:     }
                    745:     if (exists($filter->{'ownerfilter'})) {
1.79      raeburn   746:         $output .= &Apache::lonhtmlcommon::row_title($lt{'cow'}).
                    747:                    '<table><tr><td>'.&mt('Username').'<br />'.
                    748:                    '<input type="text" name="ownerfilter" size="20" value="'.
                    749:                    $list->{'ownerfilter'}.'" /></td><td>'.&mt('Domain').'<br />'.
                    750:                    $ownerdomselectform.'</td></tr></table>'.
                    751:                    &Apache::lonhtmlcommon::row_closure();
                    752:     }
                    753:     if (exists($filter->{'personfilter'})) {
                    754:         $output .= &Apache::lonhtmlcommon::row_title($lt{'cop'}).
                    755:                    '<table><tr><td>'.&mt('Username').'<br />'.
                    756:                    '<input type="text" name="personfilter" size="20" value="'.
                    757:                    $list->{'personfilter'}.'" /></td><td>'.&mt('Domain').'<br />'.
                    758:                    $persondomselectform.'</td></tr></table>'.
                    759:                    &Apache::lonhtmlcommon::row_closure();
1.57      raeburn   760:     }
                    761:     if (exists($filter->{'coursefilter'})) {
1.74      bisitz    762:         $output .= &Apache::lonhtmlcommon::row_title(&mt('LON-CAPA course ID'))
                    763:                   .'<input type="text" name="coursefilter" size="25" value="'
                    764:                   .$list->{'coursefilter'}.'" />'
                    765:                   .&Apache::lonhtmlcommon::row_closure();
1.57      raeburn   766:     }
1.85      raeburn   767:     if ($cloneableonlyform) {
                    768:         $output .= &Apache::lonhtmlcommon::row_title($cloneabletitle).
                    769:                    $cloneableonlyform.&Apache::lonhtmlcommon::row_closure();
                    770:     }
1.57      raeburn   771:     if (exists($filter->{'descriptfilter'})) {
1.74      bisitz    772:         $output .= &Apache::lonhtmlcommon::row_title($lt{'cde'})
                    773:                   .'<input type="text" name="descriptfilter" size="40" value="'
                    774:                   .$list->{'descriptfilter'}.'" />'
                    775:                   .&Apache::lonhtmlcommon::row_closure(1);
1.57      raeburn   776:     }
1.85      raeburn   777:     $output .= &Apache::lonhtmlcommon::end_pick_box().'<p>';
1.92    ! raeburn   778:     my ($coord_cloneable,$warning);
1.85      raeburn   779:     if (($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) {
1.92    ! raeburn   780:         ($coord_cloneable,$warning) = 
        !           781:             &get_coordinator_cloneable($cloneruname,$clonerudom,$type);
        !           782:         if ($env{'form.form'} eq 'ccrs') {
        !           783:             $output .= '<input type="hidden" name="cloner" value="'.$env{'form.cloner'}.'" />'."\n";
1.85      raeburn   784:         }
1.92    ! raeburn   785:         if ($coord_cloneable) {
        !           786:             $output .= '<input type="hidden" name="cc_clone" value="'.$coord_cloneable.'" />';
1.85      raeburn   787:         }
                    788:     }
                    789:     $output .= '<input type="hidden" name="updater" value="">'."\n".
1.84      raeburn   790:                '<input type="submit" name="gosearch" value="'. 
1.70      raeburn   791:                &mt('Search').'" /></p>'."\n".'</form>'."\n".'<hr />'."\n";
1.85      raeburn   792:     return $jscript.$warning.$output;
1.78      raeburn   793: }
                    794: 
1.92    ! raeburn   795: sub get_coordinator_cloneable {
        !           796:     my ($cloneruname,$clonerudom,$type) = @_;
        !           797:     if (&Apache::lonnet::homeserver($cloneruname,$clonerudom) eq 'no_host') {
        !           798:         my $warning = '<div class="LC_error">'.&mt('Intended course owner does not exist').
        !           799:                    '</div>';
        !           800:         return ('',$warning);
        !           801:     } else {
        !           802:         my ($cc_clone,$ccrole);
        !           803:         if ($type eq 'Community') {
        !           804:             $ccrole = 'co';
        !           805:         } elsif ($type eq 'Course') {
        !           806:             $ccrole = 'cc';
        !           807:         }
        !           808:         my %ccroles = &Apache::lonnet::get_my_roles($cloneruname,$clonerudom,
        !           809:                                                     'userroles',['active'], [$ccrole]);
        !           810:         foreach my $key (sort(keys(%ccroles))) {
        !           811:             my ($cnum,$cdom,$role) = split(':',$key);
        !           812:             $cc_clone .= $cdom.':'.$cnum.'&';
        !           813:         }
        !           814:         $cc_clone =~ s/\&$//;
        !           815:         return ($cc_clone);
        !           816:     }
        !           817: }
        !           818: 
1.78      raeburn   819: sub instcode_selectors {
1.80      raeburn   820:     my ($codedom,$formname,$officialjs) = @_;
1.78      raeburn   821:     my ($output,@codetitles,%cat_titles,%cat_order,%cat_items);
                    822:     my ($jscript,$totcodes,$numtitles,$lasttitle) =
                    823:         &Apache::courseclassifier::instcode_selectors_data($codedom,$formname,
1.80      raeburn   824:                            \%cat_items,\@codetitles,\%cat_titles,\%cat_order,$officialjs);
1.78      raeburn   825:     if ($numtitles > 0) {
1.84      raeburn   826:         my $official = ' checked="checked" ';
                    827:         my $unofficial = '';
                    828:         if ($env{'form.official'} eq 'off') {
                    829:             $unofficial = $official;
                    830:             $official = '';
1.80      raeburn   831:         }
                    832:         $output .= '<span class="LC_nobreak">'.&mt('Official course:').'&nbsp;<label>'.
1.84      raeburn   833:                    '<input type="radio" name="official" value="on"'.$official.' />'.
1.80      raeburn   834:                    &mt('Yes').'</label>'.('&nbsp;'x3).'<label>'.
1.84      raeburn   835:                    '<input type="radio" name="official" value="off"'.$unofficial.
1.80      raeburn   836:                    ' onclick="toggleOfficial();" />'.&mt('No').'</label></span><br />'.
                    837:                    &Apache::courseclassifier::build_instcode_selectors($numtitles,
                    838:                    $lasttitle,\%cat_items,\@codetitles,\%cat_titles,\%cat_order)."\n".
                    839:                    '<input type="hidden" name="numtitles" value="'.$numtitles.'" />'."\n".
                    840:                    '<input type="hidden" name="state" value="listing" />'."\n";
1.78      raeburn   841:  
                    842:     }
                    843:     return ($output,$jscript,$numtitles);
1.54      raeburn   844: }
                    845: 
                    846: sub search_courses {
1.85      raeburn   847:     my ($r,$type,$onlyown,$filter,$numtitles,$cloneruname,$clonerudom) = @_;
1.89      raeburn   848:     my (%courses,%showcourses,$cloner,$ccrole);
                    849:     if ($type eq 'Community') {
                    850:         $ccrole = 'co';
                    851:     } else {
                    852:         $ccrole = 'cc';
                    853:     }
1.54      raeburn   854:     if (!$onlyown) {
1.71      bisitz    855:         $r->print(&mt('Searching ...').'<br />&nbsp;<br />');
1.6       www       856:         $r->rflush();
1.54      raeburn   857:         if (($filter->{'ownerfilter'} ne '') ||
                    858:             ($filter->{'ownerdomfilter'} ne '')) {
                    859:             $filter->{'combownerfilter'} = $filter->{'ownerfilter'}.':'.
                    860:                                            $filter->{'ownerdomfilter'};
                    861:         }
1.80      raeburn   862:         foreach my $item ('descriptfilter','coursefilter','combownerfilter') {
1.54      raeburn   863:             if (!$filter->{$item}) {
                    864:                 $filter->{$item}='.';
                    865:             }
1.52      raeburn   866:         }
1.54      raeburn   867:         my $timefilter = 
                    868:            ($filter->{'sincefilter'}==-1?1:time-$filter->{'sincefilter'});
1.78      raeburn   869:         my ($instcodefilter,$regexpok);
                    870:         if ($numtitles) {
1.84      raeburn   871:             if ($env{'form.official'} eq 'on') {
1.80      raeburn   872:                 $instcodefilter = 
1.84      raeburn   873:                     &Apache::courseclassifier::instcode_search_str($filter->{'domainfilter'},$numtitles);
1.80      raeburn   874:                 $regexpok = 1;
1.84      raeburn   875:             } elsif ($env{'form.official'} eq 'off') {
                    876:                 $instcodefilter = &Apache::courseclassifier::instcode_search_str($filter->{'domainfilter'},$numtitles);
                    877:                 unless ($instcodefilter eq '') {
                    878:                     $regexpok = -1;
                    879:                 }
1.80      raeburn   880:             }
1.78      raeburn   881:         } else {
                    882:             $instcodefilter = $filter->{'instcodefilter'};
                    883:         }
1.80      raeburn   884:         if ($instcodefilter eq '') { $instcodefilter = '.'; }
                    885:         if ($type eq '') { $type = '.'; }
1.85      raeburn   886:  
                    887:         if (($clonerudom ne '') && ($cloneruname ne '')) {
                    888:             $cloner = $cloneruname.':'.$clonerudom;  
                    889:         }
1.54      raeburn   890:         %courses = 
                    891:             &Apache::lonnet::courseiddump($filter->{'domainfilter'},
                    892:                                           $filter->{'descriptfilter'},
                    893:                                           $timefilter,
1.78      raeburn   894:                                           $instcodefilter,
1.54      raeburn   895:                                           $filter->{'combownerfilter'},
                    896:                                           $filter->{'coursefilter'},
1.85      raeburn   897:                                           undef,undef,$type,$regexpok,undef,undef,
                    898:                                           undef,undef,$cloner,$env{'form.cc_clone'},
                    899:                                           $filter->{'cloneableonly'});
1.79      raeburn   900:         if (($filter->{'personfilter'} ne '') && ($filter->{'persondomfilter'} ne '')) {
                    901:             my %rolehash = &Apache::lonnet::get_my_roles($filter->{'personfilter'},
                    902:                                                          $filter->{'persondomfilter'},
                    903:                                                          'userroles',undef,
1.89      raeburn   904:                                                          [$ccrole,'in','ad','ep','ta','cr'],
1.79      raeburn   905:                                                          $filter->{'domainfilter'});
                    906:             foreach my $role (keys(%rolehash)) {
                    907:                 my ($cnum,$cdom,$courserole) = split(':',$role);
                    908:                 my $cid = $cdom.'_'.$cnum;
                    909:                 if (exists($courses{$cid})) {
                    910:                     if (ref($courses{$cid}) eq 'HASH') {
                    911:                         if (ref($courses{$cid}{roles}) eq 'ARRAY') {
                    912:                             if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) { 
                    913:                                 push (@{$courses{$cid}{roles}},$courserole);
                    914:                             }
                    915:                         } else {
                    916:                             $courses{$cid}{roles} = [$courserole];
                    917:                         }
                    918:                         $showcourses{$cid} = $courses{$cid};
                    919:                     }
                    920:                 }
                    921:             }
                    922:             %courses = %showcourses;
                    923:         }
1.54      raeburn   924:     } else {
                    925:         $r->print('<br />');
1.60      raeburn   926:         my %coursehash = &Apache::loncommon::findallcourses(); 
                    927:         foreach my $cid (sort(keys(%coursehash))) {
1.65      raeburn   928:             $courses{$cid}{'description'} = $env{'course.'.$cid.'.description'};
1.36      raeburn   929:         }
1.2       www       930:     }
1.54      raeburn   931:     return %courses;
1.18      raeburn   932: }
1.1       www       933: 
1.30      raeburn   934: sub course_chooser {
1.85      raeburn   935:     my ($multiple,$cdom,$cnum,$cleandesc,$canclone) = @_;
1.30      raeburn   936:     my $output; 
1.35      raeburn   937:     if ($multiple) {
1.32      albertel  938:         $output = '<label><input type="checkbox" name="course_id" value="'.$cdom.'_'.$cnum.'" />'."\n";
1.85      raeburn   939:     } elsif ((($env{'form.form'} eq 'ccrs') || ($env{'form.form'} eq 'requestcrs')) && (!$canclone))  {
                    940:         if ($env{'form.form'} eq 'ccrs') {
                    941:             $output = &mt('No cloning for ').$env{'form.cloner'}."\n";
                    942:         } else {
                    943:             $output = &mt('No rights to clone')."\n";
                    944:         }
1.30      raeburn   945:     } else {
1.71      bisitz    946:         $output = '<input type="button" value="'.&mt('Select').'" onClick="gochoose('.
1.30      raeburn   947:                   "'".$cnum."','".$cdom."','".$cleandesc."')".'" />'."\n";
                    948:     }
                    949:     return $output;
1.49      raeburn   950: }
                    951: 
1.55      raeburn   952: sub gochoose_javascript {
1.57      raeburn   953:     my ($type,$multiple,$autosubmit,$lastaction) = @_;
1.55      raeburn   954:     my %elements = (
                    955:                      'Course' => {
                    956:                                  name  => 'coursepick',
                    957:                                  total => 'coursetotal',
                    958:                                  list  => 'courselist',
                    959:                                  },
1.83      raeburn   960:                      'Community' => {
1.88      raeburn   961:                                  name  => 'coursepick',
                    962:                                  total => 'coursetotal',
                    963:                                  list  => 'courselist',
1.55      raeburn   964:                               },
                    965:                     );
1.57      raeburn   966:     my $output .= qq|
1.55      raeburn   967: <script type="text/javascript">
1.57      raeburn   968: function gochoose(cname,cdom,cdesc) {
1.55      raeburn   969:     var openerForm = "$env{'form.form'}";
                    970:     courseCount = 0;
                    971:     var courses = '';
1.57      raeburn   972: |;
                    973:     if ($multiple) {
                    974:         $output .= <<"ENDSCRIPT";
                    975:     courseCount = 0;
                    976:     var courses = '';
                    977:     if (typeof(document.courselist.course_id.length) == 'undefined') {
                    978:         // only 1 course checkbox was created
                    979:         if (document.courselist.course_id.checked) {
                    980:             courses = courses + document.courselist.course_id.value + "&&";
                    981:             courseCount ++;
                    982:         }
                    983:     } else {
                    984:         for (var j=0; j<document.courselist.course_id.length; j++) {
                    985:             if (document.courselist.course_id[j].checked) {
                    986:                 courses = courses + document.courselist.course_id[j].value + "&&";
1.55      raeburn   987:                 courseCount ++;
                    988:             }
1.57      raeburn   989:         }
                    990:     }
                    991:     opener.document.$env{'form.form'}.$elements{$type}{'total'}.value = courseCount;
                    992:     if (typeof(opener.document.$env{'form.form'}.$elements{$type}{'name'}.length) ==
                    993:         'undefined') {
                    994:         if (opener.document.$env{'form.form'}.$elements{$type}{'name'}.value == 'specific') {
                    995:             opener.document.$env{'form.form'}.$elements{$type}{'name'}.checked = true;
1.55      raeburn   996:         } else {
1.57      raeburn   997:             opener.document.$env{'form.form'}.$elements{$type}{'name'}.checked = false;
1.55      raeburn   998:         }
1.57      raeburn   999:     } else {
                   1000:         for (var j=0; j<opener.document.$env{'form.form'}.$elements{$type}{'name'}.length; j++) {
                   1001:             if (opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].value == 'specific') {
                   1002:                 opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].checked = true;
1.55      raeburn  1003:             } else {
1.57      raeburn  1004:                 opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].checked = false;
1.54      raeburn  1005:             }
1.55      raeburn  1006:         }
1.57      raeburn  1007:     }
                   1008:     if (courseCount > 0) {
                   1009:         courses = courses.substr(0,courses.length-2);
                   1010:         opener.document.$env{'form.form'}.$elements{$type}{'list'}.value = courses;
                   1011:     }
                   1012: ENDSCRIPT
                   1013:     } else {
1.90      raeburn  1014:         my ($name_code,$type_code);
1.57      raeburn  1015:         if ($env{'form.cnameelement'} ne '') {
                   1016:             $name_code = 'opener.document.'.$env{'form.form'}.'.'.
                   1017:                           $env{'form.cnameelement'}.'.value=cdesc;';
1.55      raeburn  1018:         }
1.90      raeburn  1019:         if ($env{'form.typeelement'} ne '') {
                   1020:             $type_code = 'opener.document.'.$env{'form.form'}.'.'.
                   1021:                           $env{'form.typeelement'}.'.value=document.courselist.type;';
                   1022:         }
                   1023: 
1.57      raeburn  1024:         $output .= qq|
1.55      raeburn  1025:         $name_code
1.90      raeburn  1026:         $type_code
1.55      raeburn  1027:         opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname;
                   1028:         var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'};
                   1029:         if (slct.options == undefined) {
                   1030:             opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom;
                   1031:         }
                   1032:         else {
                   1033:             var i;
                   1034:             for (i=0;i<slct.length;i++) {
                   1035:                 if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
1.54      raeburn  1036:             }
                   1037:         }
1.57      raeburn  1038: |;
1.54      raeburn  1039:     }
1.57      raeburn  1040:     $output .= qq|
1.55      raeburn  1041:     if (openerForm == 'portform') {
                   1042:         document.courselist.cnum.value = cname;
                   1043:         document.courselist.cdom.value = cdom;
                   1044:     }
                   1045:     $autosubmit
                   1046:     $lastaction
1.54      raeburn  1047: }
1.55      raeburn  1048: </script>
1.57      raeburn  1049: |;
1.55      raeburn  1050:     return $output;
1.54      raeburn  1051: }
                   1052: 
1.55      raeburn  1053: 1;
                   1054: __END__
                   1055: 
                   1056: =pod
                   1057: 
                   1058: =head1 NAME
                   1059: 
                   1060: Apache::lonpickcourse - Search for course(s) based on user-specified criteria.   
                   1061: 
                   1062: =head1 SYNOPSIS
                   1063: 
                   1064: Invoked by other LON-CAPA modules, when course(s) need to be selected by the user. 
                   1065: 
                   1066: =head1 OVERVIEW
                   1067: 
                   1068: Two screens are typically displayed to the user.  The first is a set of criteria which are used to constrain the search for courses.
                   1069: 
                   1070: =head2 Search Criteria (Screen One)
                   1071: 
                   1072: =head3 Criteria:
                   1073: 
                   1074: =over 4
                   1075: 
                   1076: =item *
                   1077: Course Activity - how recently was course last visited by anyone.
                   1078: 
                   1079: =item *
                   1080: Course Domain - the domain of the course
                   1081: 
                   1082: =item *
1.84      raeburn  1083: Type - Course or Community
1.55      raeburn  1084: 
                   1085: =item *
                   1086: Course Institutional Code - the institutional identifier assigned to the course
                   1087: 
                   1088: =item * 
                   1089: Course Owner's Username - the username of the owner of the course (assigned by the Domain Coordinator and/or when the course was created).
                   1090: 
                   1091: =item *
                   1092: Course Owner's Domain - the domain of the owner of the course
                   1093: 
                   1094: =item * 
1.76      bisitz   1095: Course Title - text which appears in the Course Title, as set in the Course Parameters.
1.55      raeburn  1096: 
                   1097: =item *
                   1098: Course ID - the internal course number (course ID part after initial 'domain_') used by LON-CAPA (this criterion is only displayed to Domain Coordinators selecting a course in the same domain as their DC role).
                   1099: 
                   1100: =back
                   1101: 
                   1102: The criteria setting screen is not displayed if course picking is done by a user who does not have advanced privileges (as defined by $env{'user.adv'}).
                   1103: 
                   1104: =head2 Course Display (Screen Two)
                   1105: 
                   1106: A list of courses matching the search criteria is displayed.  If the user is not an advanced user, screen one will have been skipped and the courses displayed will be all courses in which the user has currently active roles. The information displayed for each course is:
                   1107: 
                   1108: =over 4
                   1109: 
                   1110: =item *
                   1111: Course description
                   1112: 
                   1113: =item *
                   1114: Domain description of course domain
                   1115: 
                   1116: =item *
                   1117: Course institutional code
                   1118: 
                   1119: =item * 
                   1120: Course owner (username:domain)   
                   1121:  
                   1122: =back
                   1123: 
                   1124: Depending on context, the display may include a single select box for each course, allowing selection of only a single course, or may include checkboxes allowing selection of more than one course.
                   1125: 
                   1126: Following selection, and/or submission, the course description, number and domain are transferred to the browser window from which the course picker window was opened.  In most cases, the child window containing the course picker screens will be closed.  However, in some cases closure will be delayed until a third screen has been displayed (e.g., setting of course-based conditional access controls for portfolio files).  In this case the page is generated via /adm/portfolio and the page features select boxes to allow the user to select roles, access types, sections and groups.
                   1127: 
                   1128: =head1 SUBROUTINES
                   1129: 
                   1130: =over 4
                   1131: 
                   1132: =item *
                   1133: X<create_user_javascript()>
                   1134: B<create_user_javascript($type)>:
                   1135: 
1.83      raeburn  1136: Input: 1 - $type  - the course type - Course or Community
1.55      raeburn  1137: 
                   1138: Output: 1 - $output - javascript wrapped in E<lt>scriptE<gt>E<lt>/scriptE<gt> tags 
                   1139: 
                   1140: Side Effects: None 
                   1141: 
                   1142: javascript code for reporting selected sections (as a string of comma separated sections) and groups in the selected course (as a comma separated list) then calling setSect() javscript function in the opener window (to populate section select box) then closing current window.
                   1143: 
                   1144: 
                   1145: =item *
                   1146: X<display_matched_courses()>
1.85      raeburn  1147: B<display_matched_courses($r,$type,$multiple,$action,$showroles,$cloneruname,$clonerudom,%courses)>:
1.55      raeburn  1148: 
1.85      raeburn  1149: Input: 7 - request object, course type, multiple (0 or 1), form action, whether to show roles (for course personnel filter), username of new course owner, domain of new course owner, hash of courses.
1.55      raeburn  1150: 
                   1151: Output: 0
                   1152: 
                   1153: Side Effects: prints select buttons (multiple = 0) or checkboxes (multiple = 1) and hidden form elements for selection of one or more courses which met search criteria.
                   1154: 
                   1155: =item *
                   1156: X<multiples_tag()>
                   1157: B<multiples_tag()>:
                   1158: 
                   1159: 
                   1160: Input: 0
                   1161: 
                   1162: Output: 2 - $jscript - javascript for check all/uncheck all checkboxes; $multelement - hidden form element with multiple set to 1.
                   1163: 
                   1164: Side Effects: None
                   1165: 
                   1166: =item *
                   1167: X<build_filters()>
1.90      raeburn  1168: B<build_filters($filterlist,$type,$roleelement,$multelement,$filter,$action,$numfiltersref,$caller,$cloneruname,$clonerudom,$typeelem)>:
1.55      raeburn  1169: 
                   1170: 
1.90      raeburn  1171: Input: 11 - anonymous array of search criteria; course type; $roleelement ; $multelement ; anonymous hash of criteria and their values; form action; ref to scalar (count of number of elements in institutional codes -- e.g., 4 for year, semester, department, and number); caller context (e.g., set to 'modifycourse' when routine is called from lonmodifycourse.pm), username and domain of new course owner who wants to clone, $tyepelem 
1.55      raeburn  1172: 
                   1173: Output: 1 - $output - HTML for display of search criteria, and hidden form elements. 
                   1174: 
                   1175: Side Effects: None
                   1176: 
                   1177: =item *
                   1178: X<search_courses()>
1.85      raeburn  1179: B<search_courses($r,$type,$onlyown,$filter,$numtitles,$cloneruname,$clonerudom)>:
1.55      raeburn  1180: 
                   1181: 
1.85      raeburn  1182: Input: 7 -  request object, course type, search scope: only courses in which user has active role (1), or any course (0); anonymous hash of criteria and their values; for institutional codes - number of categories; optional username of new course owner, optional domain of new course owner). Last two needed when search is for courses to clone from course request form, or course creation form (DC).   
1.55      raeburn  1183: 
                   1184: Output: 1 - %courses - hash of courses satisfying search criteria, keys = course IDs, values are corresponding colon-separated escaped description, institutional code, owner and type.
                   1185: 
                   1186: Side Effects: None
                   1187: 
                   1188: 
                   1189: =item *
                   1190: X<course_chooser()>
1.85      raeburn  1191: B<course_chooser($multiple,$cdom,$cnum,$cleandesc,$canclone)>:
1.55      raeburn  1192: 
1.85      raeburn  1193: Input: 5 - single (0) or multiple (1) courses; course domain, course number; course description; can clone course (1 if new course owner has cloning rights). 
1.55      raeburn  1194: 
1.85      raeburn  1195: Output: 1 - HTML for either checkbox (multiple=1) or select button (multiple=0) for user to indicate course selection.
1.55      raeburn  1196: 
                   1197: Side Effects: None
                   1198: 
                   1199: 
                   1200: =item *
                   1201: X<gochoose_javascript()>
1.57      raeburn  1202: B<gochoose_javascript($type,$multiple,$autosubmit,$lastaction)>:
1.55      raeburn  1203: 
1.66      raeburn  1204: Input: 4 - course type; single (0) or multiple courses (1); in context of DC selecting a CC role in a course: javascript code from &processpick(); final action to take after user chooses course(s):  either close window, or submit form for display of next page etc.
1.55      raeburn  1205: 
                   1206: Output: 1  $output - javascript wrapped in E<lt>scriptE<gt>E<lt>/scriptE<gt> tags
                   1207: 
                   1208: Side Effects: None
                   1209: 
                   1210: javascript functions used when user selects a course(s). Different behavior depending on context:
                   1211: 
                   1212: =back
                   1213: 
                   1214: =over 8
                   1215: 
                   1216: =item
                   1217: 
                   1218: (a) Domain Coordinator using MAIL to select recipients of broadcast e-mail - && separated list of selected courses written to hidden form element in opener window. Child window closes.
                   1219: 
                   1220: =item
                   1221: 
                   1222: (b) Domain Coordinator choosing a course for adoption of a CC role from roles screen - write course identifying information to hidden form elements in opener window and automatically submit role selection form in opener window. Child window closes.
                   1223: 
                   1224: =item
                   1225: 
                   1226: (c) Domain Coordinator creating a course, and selecting a course to clone - course number and domain written to visible form elements in opener window. Child window closes.
                   1227: 
                   1228: =item
1.54      raeburn  1229: 
1.55      raeburn  1230: (d) User selecting a course for course-based conditional access control for a portfolio file - form is submitted, and new page is displayed for selection of roles, access types, sections and groups to be used in conditional ACL. New page is generated by /adm/portfolio. 
1.54      raeburn  1231: 
1.55      raeburn  1232: =item
1.54      raeburn  1233: 
1.55      raeburn  1234: (e) Domain Coordinator assigning a role to a user - form is submitted, and new page does an onload call to a javascript function to (a) write lists of sections and groups to hidden elements in opener window, (b) call function in opener window to dynamically populate select box showing current sections.
1.54      raeburn  1235: 
1.55      raeburn  1236: =item
1.54      raeburn  1237: 
1.55      raeburn  1238: (f) Author modifying a rights entry in a .rights file - selected course number and domain are witten to visible form elements in opener window.  Child window closes. 
1.54      raeburn  1239: 
1.55      raeburn  1240: =item
1.49      raeburn  1241: 
1.55      raeburn  1242: (g) Scantron Operator uploading a scantron file to a course - course number is written to visible form element in opener window. Child window closes.
1.30      raeburn  1243: 
1.84      raeburn  1244: =item
                   1245: 
                   1246: (h) User requesting creation of a course, and selecting a course to clone - course number and domain written to visible form elements in opener window. Child window closes.
                   1247: 
1.55      raeburn  1248: =back
                   1249:      
                   1250: =cut

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