File:  [LON-CAPA] / loncom / interface / lonpickcourse.pm
Revision 1.50.2.2: download - view: text, annotated - select for diffs
Fri Aug 11 22:14:10 2006 UTC (17 years, 8 months ago) by albertel
Branches: version_2_2_X
CVS tags: version_2_2_2, version_2_2_1, version_2_2_0, version_2_1_99_3
- backport 1.51 1.52

    1: # The LearningOnline Network
    2: # Pick a course
    3: #
    4: # $Id: lonpickcourse.pm,v 1.50.2.2 2006/08/11 22:14:10 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonpickcourse;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::loncoursedata;
   35: use Apache::lonnet;
   36: use Apache::lonlocal;
   37: use Apache::longroup;
   38: use lib '/home/httpd/lib/perl/';
   39: use LONCAPA;
   40: 
   41: sub handler {
   42:     my $r = shift;
   43:     &Apache::loncommon::content_type($r,'text/html');
   44:     $r->send_http_header;
   45:     return OK if $r->header_only;
   46: 
   47: # ------------------------------------------------------------ Print the screen
   48: 
   49: # Get parameters from query string
   50:     &Apache::loncommon::get_unprocessed_cgi
   51:         ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter',
   52: 			       'sincefilter','form','cnumelement',
   53: 			       'cdomelement','cnameelement','roleelement',
   54:                                'pickedcourse','instcodefilter',
   55:                                'ownerfilter','coursefilter','multiple',
   56:                                'type','ownerdomfilter']);
   57: # domain filter and selection
   58:     my $domainfilter=$env{'form.domainfilter'};
   59:     $domainfilter=~s/\W//g;
   60:     unless ($domainfilter) { $domainfilter=''; }
   61:     my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter,
   62:                                                           'domainfilter',1);
   63: # description filter
   64:     my $descriptfilter=$env{'form.descriptfilter'};
   65:     unless ($descriptfilter) { $descriptfilter=''; }
   66:     my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"');
   67: # institutional code filter
   68:     my $instcodefilter=$env{'form.instcodefilter'};
   69:     unless ($instcodefilter) { $instcodefilter=''; }
   70:     my $listinstcode=&HTML::Entities::encode($instcodefilter,'<>&"');
   71: # course owner filter
   72:     my $ownerfilter=$env{'form.ownerfilter'};
   73:     $ownerfilter=~s/\W//g;
   74:     my $listowner=&HTML::Entities::encode($ownerfilter,'<>&"');
   75: # course ownerdomain filter
   76:     my $ownerdomfilter=$env{'form.ownerdomfilter'};
   77:     $ownerdomfilter=~s/\W//g;
   78:     my $ownerdomselectform=
   79:        &Apache::loncommon::select_dom_form($ownerdomfilter,'ownerdomfilter',1);
   80: # course ID filter for DCs only
   81:     my ($courseidtag,$coursefilter);
   82:     if ($env{'user.adv'} && $domainfilter && exists($env{'user.role.dc./'.
   83:                         $domainfilter.'/'})) {
   84:         $coursefilter=$env{'form.coursefilter'};
   85:         unless ($coursefilter) { $coursefilter=''; }
   86:         my $listcourseid=&HTML::Entities::encode($coursefilter,'<>&"');
   87:         $courseidtag = &mt('LON-CAPA course ID');
   88:         $courseidtag .= qq|: <input type="text" name="coursefilter" size="25" value="$listcourseid" />
   89:         <br />
   90:         |;
   91:     }
   92: # last course activity filter and selection
   93:     my $sincefilter=$env{'form.sincefilter'};
   94:     $sincefilter=~s/[^\d-]//g;
   95:     unless ($sincefilter) { $sincefilter=-1; }
   96:     my $sincefilterform=&Apache::loncommon::select_form($sincefilter,
   97:        'sincefilter',('-1'=>'',
   98:                       '86400' => 'today',
   99:                       '604800' => 'last week',
  100:                       '2592000' => 'last month',
  101:                       '7776000' => 'last three months',
  102:                       '15552000' => 'last six months',
  103:                       '31104000' => 'last year',
  104:                       'select_form_order' =>
  105:                       ['-1','86400','604800','2592000','7776000',
  106: 		      '15552000','31104000']));
  107: # if called from loncreateuser, report sections, then close
  108:     my (%loaditem,$seclist,$groupslist,$roleslist,$rolesnameslist,
  109: 	$accesslist,$accessnameslist);
  110:     my $sec_element = 'currsec';
  111:     my $grplist_element = 'groups';
  112:     my $num_sections = 0;
  113:     my $num_groups = 0;
  114:     my $num_roles = 0;
  115:     my $num_access = 0;
  116:     my ($cdom,$cnum);
  117:     if ($env{'form.pickedcourse'}) {
  118:         ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'};
  119:     }
  120:     my $type = $env{'form.type'};
  121:     if (!defined($env{'form.type'})) {
  122:         $type = 'Course';
  123:     }
  124:     if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) {
  125:         $loaditem{'onload'} ="setSections()";
  126:         ($seclist,$num_sections,$groupslist,$num_groups) = 
  127:              &build_selection_lists($cdom,$cnum,$type,undef,undef,
  128:                                     $env{'form.form'});
  129:     }
  130: # if called from portfolio, report roles, sections, groups and close
  131:     my ($roles_element,$groups_element,$status_element,$setitems_function);
  132:     if ($env{'form.form'} eq 'portform' && $env{'form.pickedcourse'}) {
  133:         my ($row_id) = ($env{'form.cnumelement'} =~ /^crsnum_(\d+)$/);
  134:         $roles_element = 'role_'.$row_id.'_1';
  135:         $groups_element = 'group_'.$row_id.'_1';
  136:         $sec_element = 'section_'.$row_id.'_1';
  137:         $status_element = 'access_'.$row_id.'_1';
  138:         $grplist_element = 'grplist_'.$row_id.'_1';
  139:         $loaditem{'onload'} ="setItems()";
  140:         ($seclist,$num_sections,$groupslist,$num_groups,$roleslist,$num_roles,
  141:          $rolesnameslist,$accesslist,$num_access,$accessnameslist) =
  142:                &build_selection_lists($cdom,$cnum,$type,1,1,$env{'form.form'});
  143:         $setitems_function = qq|
  144: function setItems() {
  145:     opener.document.$env{"form.form"}.activate.checked = true;
  146:     setRoles();
  147:     setGroups();
  148:     setStatus();
  149:     setSections();
  150: }
  151: 
  152: function setRoles() {
  153:     var numRoles = $num_roles
  154:     var rolesArray = new Array("$roleslist");
  155:     var roleNamesArray = new Array("$rolesnameslist");
  156:     opener.document.$env{"form.form"}.$roles_element.length = 0;
  157:     if (numRoles == 0) {
  158:         opener.document.$env{"form.form"}.$roles_element.multiple=false;
  159:         opener.document.$env{"form.form"}.$roles_element.size=1;
  160:         opener.document.$env{"form.form"}.$roles_element.options[0] = new Option('No existing roles','',false,false);
  161:     } else {
  162:         if (numRoles == 1) {
  163:             opener.document.$env{"form.form"}.$roles_element.multiple=false;
  164:             opener.document.$env{"form.form"}.$roles_element.size=1;
  165:             opener.document.$env{"form.form"}.$roles_element.options[0] = new Option('Select','',true,true);
  166:             opener.document.$env{"form.form"}.$roles_element.options[1] = new Option(roleNamesArray[0],rolesArray[0],false,false);
  167:         } else {
  168:             for (var i=0; i<numRoles; i++) {
  169:                 opener.document.$env{"form.form"}.$roles_element.options[i] = new Option(roleNamesArray[i],rolesArray[i],false,false);
  170:             }
  171:             opener.document.$env{"form.form"}.$roles_element.multiple=true;
  172:             if (numRoles < 3) {
  173:                 opener.document.$env{"form.form"}.$roles_element.size=numRoles;
  174:             } else {
  175:                 opener.document.$env{"form.form"}.$roles_element.size=3;
  176:             }
  177:             opener.document.$env{"form.form"}.$roles_element.options[0].selected = false;
  178:         }
  179:     }
  180: }
  181: 
  182: function setStatus() {
  183:     var numStatus = $num_access;
  184:     var statusArray = new Array("$accesslist");
  185:     var statusNamesArray = new Array("$accessnameslist");
  186:     opener.document.$env{"form.form"}.$status_element.multiple=true;
  187:     opener.document.$env{"form.form"}.$status_element.size=3;
  188:     for (var i=0; i<numStatus; i++) {
  189:         opener.document.$env{"form.form"}.$status_element.options[i] = new Option(statusNamesArray[i],statusArray[i],false,false);
  190:     }
  191: }
  192: 
  193: function setGroups() {
  194:     var numGroups = $num_groups;
  195:     var groupsArray = new Array("$groupslist");
  196:     opener.document.$env{"form.form"}.$groups_element.length = 0;
  197:     if (numGroups == 0) {
  198:         opener.document.$env{"form.form"}.$groups_element.multiple=false;
  199:         opener.document.$env{"form.form"}.$groups_element.size=1;
  200:         opener.document.$env{"form.form"}.$groups_element.options[0] = new Option('No existing groups','',false,false);
  201:     } else {
  202:         if (numGroups == 1) {
  203:             opener.document.$env{"form.form"}.$groups_element.multiple=false;
  204:             opener.document.$env{"form.form"}.$groups_element.size=1;
  205:             opener.document.$env{"form.form"}.$groups_element.options[0] = new Option('Select','',true,true);
  206:             opener.document.$env{"form.form"}.$groups_element.options[1] = new Option('No group','',false,false);
  207:             opener.document.$env{"form.form"}.$groups_element.options[2] = new Option(groupsArray[0],groupsArray[0],false,false);
  208:         } else {
  209:             for (var i=0; i<numGroups; i++) {
  210:                 opener.document.$env{"form.form"}.$groups_element.options[i] = new Option(groupsArray[i],groupsArray[i],false,false);
  211:             }
  212:             opener.document.$env{"form.form"}.$groups_element.multiple=true;
  213:             if (numGroups < 3) {
  214:                 opener.document.$env{"form.form"}.$groups_element.size=numGroups;
  215:             } else {
  216:                 opener.document.$env{"form.form"}.$groups_element.size=3;
  217:             }
  218:             opener.document.$env{"form.form"}.$groups_element.options[0].selected = false;
  219:         }
  220:     }
  221: }
  222: 
  223: |;
  224:     }
  225:     my $jscript;
  226:     my $typeselectform =  '<select name="type" size="1"';
  227:     $typeselectform .= ">\n";
  228:     foreach my $posstype ('Course','Group') { 
  229:         $typeselectform.='<option value="'.$posstype.'" "'.
  230:             ($posstype eq $type ? 'selected="selected" ' : ''). ">$posstype</option>\n";
  231:     }
  232:     $typeselectform.="</select>";
  233:     my $title = &mt('Selecting a [_1]',$type);
  234: # Setup for multiple course selections, if flag for multiples set.
  235:     my $multiple = $env{'form.multiple'};
  236:     my $multelement;
  237:     if ($multiple) {
  238:         $title = &mt('Selecting [_1](s)',lc($type));
  239:         $jscript = &Apache::loncommon::check_uncheck_jscript();
  240:         $multelement = '<input type="hidden" name="multiple" value="'.$multiple.'" />';
  241:     }
  242:     $r->print(&Apache::loncommon::start_page($title,undef,
  243: 					     {'add_entries' => \%loaditem,
  244: 					      'no_nav_bar'  => 1, }));
  245:     my %lt = (
  246: 	      'cac' => &mt('[_1] Activity',$type),
  247: 	      'cde' => &mt('[_1] Description',$type),
  248: 	      'cdo' => &mt('[_1] Domain',$type),
  249:               'cin' => &mt('Course Institutional Code'),
  250:               'cow' => &mt("[_1] Owner's Username",$type),
  251:               'cod' => &mt("[_1] Owner's Domain", $type),
  252:               'cog' => &mt('Course or Group')
  253:              );
  254:    
  255:     my ($name_code,$name_input);
  256:     if (defined($env{'form.cnameelement'}) && $env{'form.cnameelement'} ne '') {
  257: 	$name_code = "opener.document.$env{'form.form'}.$env{'form.cnameelement'}.value=cdesc;";
  258: 	$name_input ='<input type="hidden" name="cnameelement" value="'.
  259: 	    $env{'form.cnameelement'}.'" />';
  260:     }
  261:     my $submitopener = '';
  262:     my $autosubmit = '';
  263:     my $roleelement = '';
  264:     my $lastaction = 'self.close()';
  265:     if ($env{'form.form'} eq 'cu') {
  266:         $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
  267:                       'document.courselist.submit();';
  268:     }
  269:     if ($env{'form.form'} eq 'portform') {
  270:         $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n".
  271:                       'document.courselist.submit();';
  272:     }
  273:     my $roledom = $env{'form.roleelement'};
  274:     if ($roledom) {
  275:         $roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
  276:         $submitopener = &Apache::lonroles::processpick();
  277:         $autosubmit = 'process_pick("'.$roledom.'")';
  278:     }
  279:     my $instcodeform;
  280:     if ($type eq 'Course') {
  281:         $instcodeform = $lt{'cin'}.': <input type="text" name="instcodefilter" 
  282:  size="10" value="'.$listinstcode.'" /><br />';
  283:     }
  284:     my %elements = (
  285:                      Course => {
  286:                                  name  => 'coursepick',
  287:                                  total => 'coursetotal',
  288:                                  list  => 'courselist',
  289:                                },
  290:                      Group => {
  291:                                  name  => 'grouppick',
  292:                                  total => 'grouptotal',
  293:                                  list  => 'grouplist',
  294:                              },
  295:                     );
  296: 
  297:     $r->print(<<ENDSCRIPT);
  298: <script>
  299: function gochoose(cname,cdom,cdesc,multiple,caller) {
  300:     var openerForm = "$env{'form.form'}";
  301:     courseCount = 0;
  302:     var courses = '';
  303:     if (multiple) {
  304: 	if (typeof(document.courselist.course_id.length) == 'undefined') {
  305: 	    // only 1 course checkbox was created
  306: 	    if (document.courselist.course_id.checked) {
  307: 		courses = courses + document.courselist.course_id.value + "&&";
  308: 		courseCount ++;
  309: 	    }
  310: 	} else {
  311: 	    for (var j=0; j<document.courselist.course_id.length; j++) {
  312: 		if (document.courselist.course_id[j].checked) {
  313: 		    courses = courses + document.courselist.course_id[j].value + "&&";
  314: 		    courseCount ++;
  315: 		}
  316: 	    }
  317: 	} 
  318:         opener.document.$env{'form.form'}.$elements{$type}{'total'}.value = courseCount;
  319: 	if (typeof(opener.document.$env{'form.form'}.$elements{$type}{'name'}.length) ==
  320: 	    'undefined') {
  321: 	    if (opener.document.$env{'form.form'}.$elements{$type}{'name'}.value == 'specific') {  
  322: 		opener.document.$env{'form.form'}.$elements{$type}{'name'}.checked = true;
  323: 	    } else {
  324: 		opener.document.$env{'form.form'}.$elements{$type}{'name'}.checked = false;
  325: 	    }
  326: 	} else {
  327: 	    for (var j=0; j<opener.document.$env{'form.form'}.$elements{$type}{'name'}.length; j++) { 
  328: 		if (opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].value == 'specific') {  
  329: 		    opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].checked = true;
  330: 		} else {
  331: 		    opener.document.$env{'form.form'}.$elements{$type}{'name'}\[j].checked = false;
  332: 		}
  333: 	    }
  334: 	}
  335: 	if (courseCount > 0) {
  336: 	    courses = courses.substr(0,courses.length-2);
  337: 	    opener.document.$env{'form.form'}.$elements{$type}{'list'}.value = courses;
  338: 	}
  339:     } else {
  340:         $name_code
  341:         opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname;
  342:         var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'};
  343:         if (slct.options == undefined) {
  344:             opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom;
  345:         }
  346:         else {
  347:             var i;
  348:             for (i=0;i<slct.length;i++) {
  349:                 if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
  350:             }
  351:         }
  352:     }
  353:     $autosubmit
  354:     $lastaction
  355: }
  356: 
  357: function setSections() {
  358:     var numSections = $num_sections
  359:     var sectionsArray = new Array("$seclist")
  360:     opener.document.$env{"form.form"}.$sec_element.length = 0
  361:     if (numSections == 0) {
  362:         opener.document.$env{"form.form"}.$sec_element.multiple=false
  363:         opener.document.$env{"form.form"}.$sec_element.size=1;
  364:         opener.document.$env{"form.form"}.$sec_element.options[0] = new Option('No existing sections','',false,false)
  365:     } else {
  366:         if (numSections == 1) {
  367:             opener.document.$env{"form.form"}.$sec_element.multiple=false;
  368:             opener.document.$env{"form.form"}.$sec_element.size=1;
  369:             opener.document.$env{"form.form"}.$sec_element.options[0] = new Option('Select','',true,true);
  370:             opener.document.$env{"form.form"}.$sec_element.options[1] = new Option('No section','',false,false) 
  371:             opener.document.$env{"form.form"}.$sec_element.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
  372:         } else {
  373:             for (var i=0; i<numSections; i++) {
  374:                 opener.document.$env{"form.form"}.$sec_element.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
  375:             }
  376:             opener.document.$env{"form.form"}.$sec_element.multiple=true
  377:             if (numSections < 3) {
  378:                 opener.document.$env{"form.form"}.$sec_element.size=numSections;
  379:             } else {
  380:                 opener.document.$env{"form.form"}.$sec_element.size=3;
  381:             }
  382:             opener.document.$env{"form.form"}.$sec_element.options[0].selected = false
  383:         }
  384:     }
  385:     opener.document.$env{"form.form"}.$grplist_element.value='$groupslist';
  386:     self.close()
  387: }
  388: 
  389: $setitems_function
  390: 
  391: $jscript
  392: </script>
  393: $submitopener
  394: <form method="post" name="filterpicker" action="/adm/pickcourse">
  395: <input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
  396: <input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
  397: $name_input
  398: <input type="hidden" name="form" value="$env{'form.form'}" />
  399: $roleelement
  400: $multelement
  401: $lt{'cac'}: $sincefilterform
  402: <br />
  403: $lt{'cdo'}: $domainselectform
  404: <!-- <br />
  405:  $lt{'cog'}: $typeselectform -->
  406: <br />
  407: $instcodeform
  408: $lt{'cow'}:
  409: <input type="text" name="ownerfilter" size="10" value="$listowner" />
  410: <br />
  411: $lt{'cod'}: $ownerdomselectform
  412: <br />
  413: $courseidtag
  414: $lt{'cde'}:
  415: <input type="text" name="descriptfilter" size="40" value="$listdescript" />
  416: <p><input type="submit" name="gosearch" value="Search" /></p>
  417: </form>
  418: <hr />
  419: ENDSCRIPT
  420: # ---------------------------------------------------------------- Get the data
  421:     if ($env{'form.gosearch'}) {
  422:         $r->print(&mt('Searching').' ...<br />&nbsp;<br />');
  423:         $r->rflush();
  424: 	unless ($descriptfilter) { $descriptfilter='.'; }
  425:         unless ($instcodefilter) { $instcodefilter='.'; }
  426:         my $combownerfilter;
  427:         if (($ownerfilter ne '') || ($ownerdomfilter ne '')) {
  428:             $combownerfilter = $ownerfilter.':'.$ownerdomfilter;
  429:         }
  430:         if ($combownerfilter eq '') { $combownerfilter='.'; }
  431:         if ($coursefilter eq '') { $coursefilter='.'; }
  432:         if ($type eq '') { $type = '.'; }
  433:         my $timefilter=($sincefilter==-1?1:time-$sincefilter);
  434: 	my %courses = &Apache::lonnet::courseiddump($domainfilter,$descriptfilter,
  435:                                      $timefilter,$instcodefilter,$combownerfilter,
  436:                                      $coursefilter,undef,undef,$type);
  437: 	$r->print('<form name="courselist" method="post" action="/adm/pickcourse">');
  438: 	my %by_descrip;
  439:         my $numcourses = keys(%courses);
  440: 	foreach my $course (keys(%courses)) {
  441:             my $descr;
  442:             if ($courses{$course} =~ m/^([^:]*):/i) {
  443:                 $descr = &unescape($1);
  444:             } else {
  445:                 $descr = &unescape($courses{$course});
  446:             }
  447:             my $description = $descr;
  448:             push (@{$by_descrip{$description}}, $course);
  449: 	}
  450:         if ($numcourses > 1 && $multiple) {
  451:             $r->print('<input type="button" value="check all"
  452:                     onclick="javascript:checkAll(document.courselist.course_id)" />                    &nbsp;&nbsp;<input type="button" value="uncheck all"
  453:                     onclick="javascript:uncheckAll(document.courselist.course_id)" />
  454:                     <br /><br />');
  455:         }
  456: 	foreach my $description (sort 
  457: 				 { lc($a) cmp lc($b) } (keys(%by_descrip))) {
  458:             foreach my $course (@{$by_descrip{$description}}) {
  459: 	        my $cleandesc=&HTML::Entities::encode($description,'<>&"');
  460: 	        $cleandesc=~s/'/\\'/g;
  461: 	        my ($cdom,$cnum)=split(/\_/,$course);
  462:                 my ($descr,$instcode,$owner,$ttype) = split/:/,$courses{$course};
  463:                 $r->print(&course_chooser($multiple,$cdom,$cnum,$cleandesc));
  464: 	        $r->print($description.'('.
  465: 		      ($Apache::lonnet::domaindescription{$cdom}?
  466:                        $Apache::lonnet::domaindescription{$cdom}:$cdom).")");
  467:                 unless ($instcode eq '') {
  468:                     $r->print(" - ".&unescape($instcode));
  469:                 }
  470:                 unless ($owner eq '') {
  471:                     $r->print(", owner - ".&unescape($owner));
  472:                 }
  473:                 unless ($ttype eq '') {
  474:                     $r->print('('.&Apache::lonnet::unescape($ttype).')');
  475:                 }
  476: 		if ($multiple) { $r->print("</label>\n"); }
  477:                 $r->print("<br />\n");
  478:             }
  479: 	}
  480: 	if (!%courses) { 
  481:             $r->print(&mt('None found'));
  482:         } elsif ($multiple) {
  483:             $r->print('<input type="button" value="Submit" onClick="gochoose('."'','','',1)".'" />');
  484:         }
  485:         $r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'."\n".
  486:                    '<input type="hidden" name="pickedcourse" value="" />'."\n".
  487:                    '<input type="hidden" name="cnumelement" value="'.$env{'form.cnumelement'}.'" />'."\n".
  488:                    '<input type="hidden" name="cdomelement" value="'.$env{'form.cdomelement'}.'" />'."\n".
  489:                    '<input type="hidden" name="type" value="'.$type.'" />'."\n");
  490:         if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) {
  491:            $r->print('<input type="hidden" name="roleelement" value="'.$env{'form.roleelement'}.'" />'."\n");
  492:         }
  493:         $r->print("</form>\n");
  494:     }
  495:     $r->print(&Apache::loncommon::end_page());
  496:     return OK;
  497: }
  498: 
  499: sub course_chooser {
  500:     my ($multiple,$cdom,$cnum,$cleandesc) = @_;
  501:     my $output; 
  502:     if ($multiple) {
  503:         $output = '<label><input type="checkbox" name="course_id" value="'.$cdom.'_'.$cnum.'" />'."\n";
  504:     } else {
  505:         $output = '<input type="button" value="Select" onClick="gochoose('.
  506:                   "'".$cnum."','".$cdom."','".$cleandesc."')".'" />'."\n";
  507:     }
  508:     return $output;
  509: }
  510: 
  511: sub build_selection_lists {
  512:     my ($cdom,$cnum,$type,$needroles,$needaccess,$caller) = @_;
  513:     my ($sections,$groups,$allroles,$roleshash,$accesshash) = 
  514:           &Apache::loncommon::get_secgrprole_info($cdom,$cnum,$needroles,$type);
  515:     if ($caller eq 'portform') {
  516:         if (@{$sections} == 0) {
  517:             @{$sections} = ('none');
  518:         } else {
  519:             unshift(@{$sections},('all','none'));
  520:         }
  521:         if (@{$groups} == 0) {
  522:             @{$groups} = ('none');
  523:         } else {
  524:             unshift(@{$groups},('all','none'));
  525:         }
  526: 
  527:     } 
  528:     my $num_sections = scalar(@{$sections});
  529:     my $seclist = join('","',@{$sections});
  530:     my $num_groups = scalar(@{$groups});
  531:     my $groupslist = join('","',@{$groups});
  532:     my ($roleslist,$num_roles,$rolesnameslist,$num_access,$accesslist,
  533:         $accessnameslist);
  534:     if ($needroles) {
  535:         $num_roles = @{$allroles};
  536:         $roleslist = join('","',@{$allroles});
  537:         my @allrolesnames; 
  538:         foreach my $role (@{$allroles}) {
  539:             push(@allrolesnames,$$roleshash{$role});
  540:         }  
  541:         $rolesnameslist = join('","',@allrolesnames);
  542:     }
  543:     if ($needaccess) {
  544:         $num_access = keys(%{$accesshash});
  545:         my (@allaccess,@allaccessnames);
  546:         foreach my $key (sort(keys(%{$accesshash}))) {
  547:             push(@allaccess,$key);
  548:             push(@allaccessnames,$$accesshash{$key}); 
  549:         }
  550:         $accesslist = join('","',@allaccess);
  551:         $accessnameslist = join('","',@allaccessnames);
  552:     }
  553:     return ($seclist,$num_sections,$groupslist,$num_groups,$roleslist,
  554:             $num_roles,$rolesnameslist,$accesslist,$num_access,$accessnameslist);
  555: }
  556: 
  557: 1;
  558: __END__

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