--- loncom/interface/lonpickcourse.pm 2004/05/07 21:51:30 1.16 +++ loncom/interface/lonpickcourse.pm 2006/11/14 16:51:42 1.57 @@ -1,7 +1,7 @@ # The LearningOnline Network # Pick a course # -# $Id: lonpickcourse.pm,v 1.16 2004/05/07 21:51:30 albertel Exp $ +# $Id: lonpickcourse.pm,v 1.57 2006/11/14 16:51:42 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,6 +34,9 @@ use Apache::loncommon; use Apache::loncoursedata; use Apache::lonnet; use Apache::lonlocal; +use Apache::longroup; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; sub handler { my $r = shift; @@ -42,32 +45,248 @@ sub handler { return OK if $r->header_only; # ------------------------------------------------------------ Print the screen - $r->print(< - -The LearningOnline Network with CAPA - -ENDDOCUMENT -# Get parameters from query string + + # Get parameters from query string &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter', - 'sincefilter','form','cnumelement', - 'cdomelement','cnameelement']); -# domain filter and selection - my $domainfilter=$ENV{'form.domainfilter'}; - $domainfilter=~s/\W//g; - unless ($domainfilter) { $domainfilter=''; } - my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter, - 'domainfilter',1); -# description filter - my $descriptfilter=$ENV{'form.descriptfilter'}; - unless ($descriptfilter) { $descriptfilter=''; } - my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"'); -# last course activity filter and selection - my $sincefilter=$ENV{'form.sincefilter'}; - $sincefilter=~s/[^\d-]//g; - unless ($sincefilter) { $sincefilter=-1; } - my $sincefilterform=&Apache::loncommon::select_form($sincefilter, + ($ENV{'QUERY_STRING'},['domainfilter','form','cnumelement', + 'cdomelement','cnameelement','roleelement', + 'multiple','type','setroles']); + + my ($type,$title,$jscript,$multelement,$multiple,$roleelement, + $lastaction,$autosubmit,$submitopener); + + # Get course type - Course or Non-standard Course. + $type = $env{'form.type'}; + if (!defined($env{'form.type'})) { + $type = 'Course'; + } + $title = &mt('Selecting a [_1]',$type); + + # Setup for multiple course selections, if flag for multiples set. + $multiple = $env{'form.multiple'}; + if ($multiple) { + ($jscript,$multelement) = &multiples_tag(); + $title = &mt('Selecting [_1](s)',lc($type)); + } + + # if called when a DC is selecting a course + my $roledom = $env{'form.roleelement'}; + if ($roledom) { + $roleelement = ''; + $submitopener = &Apache::lonroles::processpick(); + $autosubmit = 'process_pick("'.$roledom.'")'; + } + + my $onlyown = 0; + # if called to assign course-based portfolio access control + if ((($env{'form.form'} eq 'portform') && ($env{'user.adv'}))) { + $onlyown = 1; + } + + my %loaditem; + if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) { + $loaditem{'onload'} ="setSections()"; + } + $r->print(&Apache::loncommon::start_page($title,undef, + {'add_entries' => \%loaditem, + 'no_nav_bar' => 1, })); + + if ($env{'form.form'} eq 'portform') { + $lastaction = 'document.courselist.submit()'; + } elsif ($env{'form.form'} eq 'cu') { + $lastaction = + 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n". + 'document.courselist.submit();'; + } else { + $lastaction = 'self.close()'; + } + + # if called to assign a role in a course to a user via CUSR + if ($env{'form.form'} eq 'cu') { + $r->print(&create_user_javascript($type)); + } + + # print javascript functions for choosing a course + if ($env{'form.gosearch'} || $onlyown) { + $r->print(&gochoose_javascript($type,$autosubmit,$lastaction)); + } + $r->print(''); + $r->print($submitopener); + +# ------------------------------------------ Display of filters to limit search + my $filter = {}; + my $action = '/adm/pickcourse'; + if (!$onlyown) { + my $filterlist = ['domainfilter','descriptfilter', + 'instcodefilter','ownerfilter', + 'ownerdomfilter']; + # course ID filter for DCs only + if ($env{'user.adv'} && $env{'form.domainfilter'} && + exists($env{'user.role.dc./'.$env{'form.domainfilter'}.'/'})) { + push(@{$filterlist},'coursefilter'); + } + $r->print(&build_filters($filterlist,$type,$roleelement,$multelement, + $filter,$action)); + } + +# ---------------------------------------------------------------- Get the data + if ($env{'form.gosearch'} || $onlyown) { + my %courses = &search_courses($r,$type,$onlyown,$filter); + &display_matched_courses($r,$type,$multiple,$action,%courses); + } + $r->print(&Apache::loncommon::end_page()); + return OK; +} + +sub create_user_javascript { + my ($type) = @_; + my $output; + #javascript for reporting sections and groups then closing + if ($env{'form.pickedcourse'}) { + my ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'}; + my $sec_element = 'currsec'; + my $grplist_element = 'groups'; + my ($sections,$groups) = + &Apache::loncommon::get_secgrprole_info($cdom,$cnum,'',$type); + my $num_sections = scalar(@{$sections}); + my $seclist = join(',',@{$sections}); + my $num_groups = scalar(@{$groups}); + my $groupslist = join(',',@{$groups}); + $output = qq| + +|; +; + } + return $output; +} + +sub display_matched_courses { + my ($r,$type,$multiple,$action,%courses) = @_; + if ($env{'form.form'} eq 'portform') { + $action = '/adm/portfolio'; + } + $r->print('
'); + my %by_descrip; + my $numcourses = keys(%courses); + foreach my $course (keys(%courses)) { + my $descr; + if ($courses{$course} =~ m/^([^:]*):/i) { + $descr = &unescape($1); + } else { + $descr = &unescape($courses{$course}); + } + my $description = $descr; + push (@{$by_descrip{$description}}, $course); + } + if ($numcourses > 1 && $multiple) { + $r->print(' +    +

'); + } + foreach my $description (sort { lc($a) cmp lc($b) } (keys(%by_descrip))) { + foreach my $course (@{$by_descrip{$description}}) { + my $cleandesc=&HTML::Entities::encode($description,'<>&"'); + $cleandesc=~s/'/\\'/g; + my ($cdom,$cnum)=split(/\_/,$course); + my ($descr,$instcode,$owner,$ttype) = split/:/,$courses{$course}; + $r->print(&course_chooser($multiple,$cdom,$cnum,$cleandesc)); + $r->print($description.'('. + ($Apache::lonnet::domaindescription{$cdom}? + $Apache::lonnet::domaindescription{$cdom}:$cdom).")"); + unless ($instcode eq '') { + $r->print(" - ".&unescape($instcode)); + } + unless ($owner eq '') { + $r->print(", owner - ".&unescape($owner)); + } + unless ($ttype eq '') { + $r->print('('.&unescape($ttype).')'); + } + if ($multiple) { $r->print("\n"); } + $r->print("
\n"); + } + } + if (!%courses) { + $r->print(&mt('None found')); + } elsif ($multiple) { + $r->print(''); + } + $r->print(''. + "\n".''."\n". + ''."\n"); + if ((exists($env{'form.roleelement'})) && ($env{'form.form'} eq 'rolechoice')) { + $r->print(''."\n"); + } + if ($env{'form.form'} eq 'portform') { + $r->print(''); + $r->print(''); + $r->print(''); + $r->print(''); + } elsif ($env{'form.form'} eq 'modifycourse') { + $r->print(''."\n"); + $r->print(&Apache::lonhtmlcommon::echo_form_input(['phase','pickedcourse','type','form'])); + } else { + $r->print(''."\n". + ''."\n"); + } + $r->print("
\n"); + return; +} + + +sub multiples_tag { + my $jscript = &Apache::loncommon::check_uncheck_jscript(); + my $multelement = ''; + return ($jscript,$multelement); +} + +sub build_filters { + my ($filterlist,$type,$roleelement,$multelement,$filter,$action, + $caller) = @_; + my $list; + my $formname; + if (defined($env{'form.form'})) { + $formname = $env{'form.form'}; + } else { + $formname = $caller; + } + my ($domainselectform,$sincefilterform,$ownerdomselectform, + $instcodeform,$typeselectform); + foreach my $item (@{$filterlist}) { + $filter->{$item} = $env{'form.'.$item}; + if ($item ne 'descriptfilter' && $item ne 'instcodefilter') { + $filter->{$item} =~ s/\W//g; + if (!$filter->{$item}) { + $filter->{$item} = ''; + } + } + if ($item eq 'domainfilter') { + $domainselectform = + &Apache::loncommon::select_dom_form($filter->{$item},'domainfilter',1); + } elsif ($item eq 'ownerdomfilter') { + $ownerdomselectform = + &Apache::loncommon::select_dom_form($filter->{$item},'ownerdomfilter',1); + } else { + $list->{$item} = &HTML::Entities::encode($filter->{$item},'<>&"'); + } + } + + # last course activity filter and selection + $filter->{'sincefilter'} = $env{'form.sincefilter'}; + $filter->{'sincefilter'} =~ s/[^\d-]//g; + if (!$filter->{'sincefilter'}) { $filter->{'sincefilter'}=-1; } + $sincefilterform=&Apache::loncommon::select_form($filter->{'sincefilter'}, 'sincefilter',('-1'=>'', '86400' => 'today', '604800' => 'last week', @@ -77,79 +296,421 @@ ENDDOCUMENT '31104000' => 'last year', 'select_form_order' => ['-1','86400','604800','2592000','7776000', - '15552000','31104000'])); - - $r->print(&Apache::loncommon::bodytag("Selecting a Course")); - my %lt=&Apache::lonlocal::texthash( - 'cac' => 'Course Activity', - 'cde' => 'Course Description', - 'cdo' => 'Course Domain'); - my ($name_code,$name_input); - if (defined($ENV{'form.cnameelement'}) && $ENV{'form.cnameelement'} ne '') { - $name_code = "opener.document.$ENV{'form.form'}.$ENV{'form.cnameelement'}.value=cdesc;"; - $name_input =''; + '15552000','31104000'])); + + my %lt = ( + 'cac' => &mt('[_1] Activity',$type), + 'cde' => &mt('[_1] Description',$type), + 'cdo' => &mt('[_1] Domain',$type), + 'cin' => &mt('Course Institutional Code'), + 'cow' => &mt("[_1] Owner's Username",$type), + 'cod' => &mt("[_1] Owner's Domain", $type), + 'cog' => &mt('Course Type') + ); + + $typeselectform = ' - + $typeselectform.=""; + my $output = qq| +
+ +|; + if ($formname eq 'modifycourse') { + $output .= ''; + } else { + my $name_input; + if ($env{'form.cnameelement'} ne '') { + $name_input = ''; + } + $output .= qq| + + $name_input - - -$lt{'cac'}: $sincefilterform -
-$lt{'cdo'}: $domainselectform -
-$lt{'cde'}: - +$roleelement +$multelement +|; + } + if ($sincefilterform) { + $output .= $lt{'cac'}.': '.$sincefilterform.'
'."\n"; + } + if ($domainselectform) { + $output .= $lt{'cdo'}.': '.$domainselectform.'
'."\n"; + } + if ($typeselectform) { + $output .= $lt{'cog'}.': '.$typeselectform.'
'."\n"; + } + if ($instcodeform) { + $output .= $lt{'cin'}.': '.$instcodeform.'
'."\n"; + } + if (exists($filter->{'ownerfilter'})) { + $output .= $lt{'cow'}.': '. + '
'."\n". + $lt{'cod'}.': '.$ownerdomselectform.'
'."\n"; + } + if (exists($filter->{'coursefilter'})) { + $output .= &mt('LON-CAPA course ID').': '. + '
'; + } + if (exists($filter->{'descriptfilter'})) { + $output .=$lt{'cde'}.': '. + ''."\n"; + } + $output .= qq|

-ENDSCRIPT -# ---------------------------------------------------------------- Get the data - if ($ENV{'form.gosearch'}) { +|; + return $output; +} + +sub search_courses { + my ($r,$type,$onlyown,$filter) = @_; + my %courses; + if (!$onlyown) { $r->print(&mt('Searching').' ...
 
'); $r->rflush(); - unless ($descriptfilter) { $descriptfilter='.'; } - my $timefilter=($sincefilter==-1?1:time-$sincefilter); - my %courses= - &Apache::lonnet::courseiddump - ($domainfilter,$descriptfilter,$timefilter); - $r->print('
'); - my %by_descrip; - foreach my $course (keys %courses) { - $by_descrip{lc($courses{$course})}=$course; - } - foreach my $description (sort(keys(%by_descrip))) { - my $course=$by_descrip{$description}; - my $cleandesc=&HTML::Entities::encode($courses{$course},'<>&"'); - $cleandesc=~s/'/\\'/g; - my ($cdom,$cnum)=split(/\_/,$course); - $r->print(' '.$courses{$course}.' ('. - ($Apache::lonnet::domaindescription{$cdom}? - $Apache::lonnet::domaindescription{$cdom}:$cdom). - ")
\n"); - } - if (!%courses) { $r->print(&mt('None found')); } - $r->print('
'); + if (($filter->{'ownerfilter'} ne '') || + ($filter->{'ownerdomfilter'} ne '')) { + $filter->{'combownerfilter'} = $filter->{'ownerfilter'}.':'. + $filter->{'ownerdomfilter'}; + } + foreach my $item ('descriptfilter','instcodefilter','coursefilter', + 'combownerfilter') { + if (!$filter->{$item}) { + $filter->{$item}='.'; + } + } + if ($type eq '') { $type = '.'; } + my $timefilter = + ($filter->{'sincefilter'}==-1?1:time-$filter->{'sincefilter'}); + %courses = + &Apache::lonnet::courseiddump($filter->{'domainfilter'}, + $filter->{'descriptfilter'}, + $timefilter, + $filter->{'instcodefilter'}, + $filter->{'combownerfilter'}, + $filter->{'coursefilter'}, + undef,undef,$type); + } else { + $r->print('
'); + foreach my $cid (sort(&Apache::loncommon::findallcourses())) { + $courses{$cid} = $env{'course.'.$cid.'.description'}; + } } - $r->print(''); - return OK; -} + return %courses; +} + +sub course_chooser { + my ($multiple,$cdom,$cnum,$cleandesc) = @_; + my $output; + if ($multiple) { + $output = '