--- loncom/interface/lonfeedback.pm 2004/06/28 16:41:08 1.96 +++ loncom/interface/lonfeedback.pm 2004/07/22 23:18:01 1.102 @@ -1,7 +1,7 @@ # The LearningOnline Network # Feedback # -# $Id: lonfeedback.pm,v 1.96 2004/06/28 16:41:08 albertel Exp $ +# $Id: lonfeedback.pm,v 1.102 2004/07/22 23:18:01 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -72,6 +72,7 @@ sub list_discussion { if ($mode eq 'board') { $discussiononly=1; } unless ($ENV{'request.course.id'}) { return ''; } my $crs='/'.$ENV{'request.course.id'}; + my $cid=$ENV{'request.course.id'}; if ($ENV{'request.course.sec'}) { $crs.='_'.$ENV{'request.course.sec'}; } @@ -80,7 +81,9 @@ sub list_discussion { $symb=&Apache::lonnet::symbread(); } unless ($symb) { return ''; } - + my %usernamesort = (); + my %namesort =(); + my %subjectsort = (); # backward compatibility (bulletin boards used to be 'wrapped') my $ressymb=$symb; if ($mode eq 'board') { @@ -94,7 +97,8 @@ sub list_discussion { my $showkey = $ressymb.'_showonlyunread'; my $visitkey = $ressymb.'_visit'; my $ondispkey = $ressymb.'_markondisp'; - my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey],$ENV{'user.domain'},$ENV{'user.name'}); + my $userpickkey = $ressymb.'_userpick'; + my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey,$userpickkey],$ENV{'user.domain'},$ENV{'user.name'}); my %discinfo = (); my $showonlyunread = 0; my $markondisp = 0; @@ -102,9 +106,15 @@ sub list_discussion { my $previous = 0; my $visit = 0; my $newpostsflag = 0; + my @posters = split/\&/,$dischash{$userpickkey}; # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous']); + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']); + my $sortposts = $ENV{'form.sortposts'}; + my $rolefilter = $ENV{'form.rolefilter'}; + my $statusfilter = $ENV{'form.statusfilter'}; + my $sectionpick = $ENV{'form.sectionpick'}; + my $totposters = $ENV{'form.totposters'}; $previous = $ENV{'form.previous'}; if ($previous > 0) { $prevread = $previous; @@ -114,6 +124,34 @@ sub list_discussion { } } +# Get information about students and non-stundents in course for filtering display of posts + my %roleshash = (); + my %roleinfo = (); + if ($rolefilter) { + %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + foreach (keys %roleshash) { + my ($role,$uname,$udom,$sec) = split/:/,$_; + my ($end,$start) = split/:/,$roleshash{$_}; + my $now = time; + my $status = 'Active'; + if (($now < $start) || ($end > 0 && $now > $end)) { + $status = 'Expired'; + } + push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; + } + my ($classlist) = &Apache::loncoursedata::get_classlist( + $ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + my $sec_index = &Apache::loncoursedata::CL_SECTION(); + my $status_index = &Apache::loncoursedata::CL_STATUS(); + while (my ($student,$data) = each %$classlist) { + my ($section,$status) = ($data->[$sec_index], + $data->[$status_index]); + push @{$roleinfo{$student}}, 'st:'.$section.':'.$status; + } + } + # Get discussion display default settings for user my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'}); my $discdisplay=$userenv{'discdisplay'}; @@ -146,6 +184,8 @@ sub list_discussion { my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/)); my @discussionitems=(); + my %shown = (); + my @posteridentity=(); my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'}, $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); @@ -182,14 +222,21 @@ sub list_discussion { $newpostsflag = 1; } my $hidden=($contrib{'hidden'}=~/\.$idx\./); + my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); my $deleted=($contrib{'deleted'}=~/\.$idx\./); my $origindex='0.'; - if (($contrib{$idx.':replyto'}) && ($ENV{'environment.threadeddiscussion'})) { + my $numoldver=0; + if ($contrib{$idx.':replyto'}) { + if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) { # this is a follow-up message - $original[$idx]=$original[$contrib{$idx.':replyto'}]; - $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1; - $origindex=$index[$contrib{$idx.':replyto'}]; - if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; } + $original[$idx]=$original[$contrib{$idx.':replyto'}]; + $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1; + $origindex=$index[$contrib{$idx.':replyto'}]; + if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; } + } else { + $original[$idx]=0; + $depth[$idx]=0; + } } else { # this is an original message $original[$idx]=0; @@ -202,13 +249,21 @@ sub list_discussion { } unless ((($hidden) && (!$seeid)) || ($deleted)) { $visible++; + if ($contrib{$idx.':history'}) { + if ($contrib{$idx.':history'} =~ /:/) { + my @oldversions = split/:/,$contrib{$idx.':history'}; + $numoldver = @oldversions; + } else { + $numoldver = 1; + } + } my $message=$contrib{$idx.':message'}; $message=~s/\n/\
/g; - $message=&Apache::lontexconvert::msgtexconverted($message); + $message=&Apache::lontexconvert::msgtexconverted($message,undef,$numoldver); my $subject=$contrib{$idx.':subject'}; if (defined($subject)) { $subject=~s/\n/\
/g; - $subject=&Apache::lontexconvert::msgtexconverted($subject); + $subject=&Apache::lontexconvert::msgtexconverted($subject,undef,$numoldver); } if ($contrib{$idx.':attachmenturl'}) { my ($fname) @@ -222,6 +277,9 @@ sub list_discussion { if ($message) { if ($hidden) { $message=''.$message.''; + if ($studenthidden) { + $message .='

Deleted by poster (student).'; + } } my $screenname=&Apache::loncommon::screenname( $contrib{$idx.':sendername'}, @@ -231,6 +289,20 @@ sub list_discussion { $contrib{$idx.':senderdomain'}); my $sender=&mt('Anonymous'); +# Set up for sorting by subject + if ($contrib{$idx.':subject'} eq '') { + if (defined($subjectsort{'__No subject'})) { + push @{$subjectsort{'__No subject'}}, $idx; + } else { + @{$subjectsort{'__No subject'}} = ("$idx"); + } + } else { + if (defined($subjectsort{$contrib{$idx.':subject'}})) { + push @{$subjectsort{$contrib{$idx.':subject'}}}, $idx; + } else { + @{$subjectsort{$contrib{$idx.':subject'}}} = ("$idx"); + } + } if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { $sender=&Apache::loncommon::aboutmewrapper( $plainname, @@ -242,14 +314,57 @@ sub list_discussion { $sender.=' ['.&mt('anonymous').'] '. $screenname; } - if ($seeid) { - if ($hidden) { - $sender.=' '; + $sender .= '" '.$target.'>'.&mt('Edit').''; unless ($seeid) { + $sender.=" '; + } + } + } + if ($seeid) { + if ($hidden) { + unless ($studenthidden) { + $sender.=' '.&mt('Make Visible').''; + } } else { $sender.=' '.&mt('Hide').''; } $sender.=' '.&mt('Delete').''; + $ressymb.':::'.$idx; + if ($newpostsflag) { + $sender .= '&previous='.$prevread; + } + $sender .= '">'.&mt('Delete').''; } } else { if ($screenname) { $sender=''.$screenname.''; } +# Set up for sorting by domain, then username for anonymous + unless (defined($usernamesort{'__anon'})) { + %{$usernamesort{'__anon'}} = (); + } + if (defined($usernamesort{'__anon'}{'__anon'})) { + push @{$usernamesort{'__anon'}{'__anon'}}, $idx; + } else { + @{$usernamesort{'__anon'}{'__anon'}} = ("$idx"); + } +# Set up for sorting by last name, then first name for anonymous + unless (defined($namesort{'__anon'})) { + %{$namesort{'__anon'}} = (); + } + if (defined($namesort{'__anon'}{'__anon'})) { + push @{$namesort{'__anon'}{'__anon'}}, $idx; + } else { + @{$namesort{'__anon'}{'__anon'}} = ("$idx"); + } } if (&discussion_open($status) && &Apache::lonnet::allowed('pch', @@ -288,15 +421,63 @@ sub list_discussion { } #figure out at what position this needs to print my $thisindex=$idx; - if ($ENV{'environment.threadeddiscussion'}) { - $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2); + if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) { + $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2); } $alldiscussion{$thisindex}=$idx; - $index[$idx]=$thisindex; + $shown{$idx} = 0; + $index[$idx]=$thisindex; my $spansize = 2; if ($showonlyunread && $prevread > $posttime) { $notshown{$idx} = 1; } else { + my $uname = $contrib{$idx.':sendername'}; + my $udom = $contrib{$idx.':senderdomain'}; + my $poster = $uname.':'.$udom; + my $rolematch = ''; + my $skiptest = 1; + if ($totposters > 0) { + if (grep/^$poster$/,@posters) { + $shown{$idx} = 1; + } + } else { + if ($rolefilter) { + if ($rolefilter eq 'all') { + $rolematch = '([^:]+)'; + } else { + $rolematch = $rolefilter; + $skiptest = 0; + } + } + if ($sectionpick) { + if ($sectionpick eq 'all') { + $rolematch .= ':([^:]*)'; + } else { + $rolematch .= ':'.$sectionpick; + $skiptest = 0; + } + } + if ($statusfilter) { + if ($statusfilter eq 'all') { + $rolematch .= ':([^:]+)'; + } else { + $rolematch .= ':'.$statusfilter; + $skiptest = 0; + } + } + if ($skiptest) { + $shown{$idx} = 1; + } else { + foreach my $role (@{$roleinfo{$poster}}) { + if ($role =~ m/^$rolematch$/) { + $shown{$idx} = 1; + last; + } + } + } + } + } + unless ($notshown{$idx} == 1) { if ($prevread > 0 && $prevread <= $posttime) { $newitem{$idx} = 1; $discussionitems[$idx] .= ' @@ -313,6 +494,20 @@ sub list_discussion { $sender.' '.$vgrlink.' ('. localtime($posttime).')'. '
'.$message.'

'; + if ($contrib{$idx.':history'}) { + my @postversions = (); + $discussionitems[$idx] .= '
'.&mt('This post has been edited by the author.').'
'.&mt('Earlier version(s) were posted on: '); + if ($contrib{$idx.':history'} =~ m/:/) { + @postversions = split/:/,$contrib{$idx.':history'}; + } else { + @postversions = ("$contrib{$idx.':history'}"); + } + for (my $i=0; $i<@postversions; $i++) { + my $version = $i+1; + $discussionitems[$idx] .= ''.$version.'. - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; + } + $discussionitems[$idx] .= '
'; + } } } } @@ -325,54 +520,64 @@ sub list_discussion { my $color = &Apache::loncommon::designparm($function.'.tabbg', $ENV{'user.domain'}); my %lt = &Apache::lonlocal::texthash( - 'cuse' => 'Current settings for this discussion', + 'cuse' => 'Current discussion settings', 'allposts' => 'All posts', 'unread' => 'New posts only', 'ondisp' => 'Once displayed', 'onmark' => 'Once marked read', 'disa' => 'Posts to be displayed', 'npce' => 'Posts cease to be marked "NEW"', - 'chgt' => 'Change to ', + 'chgt' => 'Change', + 'disp' => 'Display', + 'nolo' => 'Not new', ); my $currdisp = $lt{'allposts'}; my $currmark = $lt{'onmark'}; my $dispchange = $lt{'unread'}; my $markchange = $lt{'ondisp'}; - my $displink = '/adm/feedback?onlyunread='.$ressymb; - my $marklink = '/adm/feedback?markondisp='.$ressymb; + my $chglink = '/adm/feedback?modifydisp='.$ressymb; + my $displink = 'onlyunread'; + my $marklink = 'markondisp'; if ($markondisp) { $currmark = $lt{'ondisp'}; $markchange = $lt{'onmark'}; - $marklink = '/adm/feedback?markonread='.$ressymb; - if ($newpostsflag) { - $marklink .= '&previous='.$prevread; - } + $marklink = 'markonread'; } if ($showonlyunread) { $currdisp = $lt{'unread'}; $dispchange = $lt{'allposts'}; - $displink = '/adm/feedback?allposts='.$ressymb; + $displink = 'allposts'; } + + $chglink .= '&changes='.$displink.'_'.$marklink; if ($newpostsflag) { - $displink .= '&previous='.$prevread; + $chglink .= '&previous='.$prevread; } if ($visible) { # Print the discusssion if ($outputtarget ne 'tex') { + my $colspan=$maxdepth+1; + $discussion.= qq| + + |; $discussion.=''; - my $colspan=$maxdepth+1; - $discussion .= ''. - ' + +
'. - ''. - ''. - ''. - ''. - '
'.$lt{'cuse'}.'    '.$lt{'chgt'}.'
'.$lt{'disa'}.': '.$currdisp.'    '.$dispchange.'
'.$lt{'npce'}.': '.$currmark.'    '.$markchange.'
'. + $discussion .='
'. ''; if ($visible>2) { $discussion.=''; - } + $discussion .='">'.&mt('Chronological View').'   + '.&mt('Sorting/Filtering options').'  '; + } else { + $discussion .= ''; if ($newpostsflag) { if (!$markondisp) { $discussion .=''; } - foreach (sort { $a <=> $b } keys %alldiscussion) { - unless ($notshown{$alldiscussion{$_}} eq '1') { + +# Choose sort mechanism + my @showposts = (); + if ($sortposts eq 'descdate') { + @showposts = (sort { $b <=> $a } keys %alldiscussion); + } elsif ($sortposts eq 'thread') { + @showposts = (sort { $a <=> $b } keys %alldiscussion); + } elsif ($sortposts eq 'subject') { + foreach (sort keys %subjectsort) { + push @showposts, @{$subjectsort{$_}}; + } + } elsif ($sortposts eq 'username') { + foreach my $domain (sort keys %usernamesort) { + foreach (sort keys %{$usernamesort{$domain}}) { + push @showposts, @{$usernamesort{$domain}{$_}}; + } + } + } elsif ($sortposts eq 'lastfirst') { + foreach my $last (sort keys %namesort) { + foreach (sort keys %{$namesort{$last}}) { + push @showposts, @{$namesort{$last}{$_}}; + } + } + } else { + $sortposts = 'ascdate'; + @showposts = (sort { $a <=> $b } keys %alldiscussion); + } + foreach (@showposts) { + unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'})) { + $alldiscussion{$_} = $_; + } + unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { if ($outputtarget ne 'tex') { $discussion.="\n"; } else { @@ -443,7 +690,7 @@ sub list_discussion { $threadinsert='
Reply: '.$thisdepth.''; } $discussionitems[$alldiscussion{$_}]=~s/<\/td>]*)>/$threadinsert<\/td>
'. @@ -385,8 +590,20 @@ sub list_discussion { if ($newpostsflag) { $discussion .= '&previous='.$prevread; } - $discussion .='">'.&mt('Chronological View').'  '; + } + $discussion .=''.&mt('Export').'?  '.&mt('Mark new posts as read').'  '; @@ -416,8 +633,38 @@ sub list_discussion { $numhidden.' '.&mt('previously viewed posts'). '
/; - $discussionitems[$alldiscussion{$_}]=~s/]+)>(Hide|Delete|Reply|Submissions)<\/a>//g; + $discussionitems[$alldiscussion{$_}]=~s/]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; $discussionitems[$alldiscussion{$_}]=~s/(|<\/b>|<\/a>|]+)>)//g; #FIXME xmlparse can't be safely called from inside xmlparse @@ -456,7 +703,40 @@ sub list_discussion { } } if ($outputtarget ne 'tex') { - $discussion.='


'; + my $colspan=$maxdepth+1; + $discussion .= < + 		+ + + + +
+ + + + +END + if ($newpostsflag) { + $discussion .= + ''; + } else { + $discussion .= + ''; + } + $discussion .= <  + + +
+ $lt{'cuse'}: 1. '.$lt{'disp'}.' - '.$currdisp.'  2. '.$lt{'nolo'}.' - '.$currmark.''.$lt{'disp'}.' - '.$currdisp.' + $lt{'chgt'}?
+
+
+

+END } } if ($discussiononly) { @@ -490,7 +770,7 @@ ENDDISCUSS ''. &mt('Post Discussion').''; } - } + } } return $discussion; } @@ -498,23 +778,83 @@ ENDDISCUSS sub mail_screen { my ($r,$feedurl,$options) = @_; my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', - '','onLoad="window.focus();"'); + '','onLoad="window.focus();setposttype();"'); my $title=&Apache::lonnet::gettitle($feedurl); if (!$title) { $title = $feedurl; } my $quote=''; my $subject = ''; + my $oldmessage = ''; my $prevtag = ''; - if ($ENV{'form.replydisc'}) { - my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'}); + my $parentmsg = ''; + my $anonscript = (</g; - $quote='
'.&Apache::lontexconvert::msgtexconverted($message).'
'; - if ($idx > 0) { - $subject = 'Re: '.$contrib{$idx.':subject'}; + if ($ENV{'form.replydisc'}) { + my $numoldver = 0; + if ($contrib{$idx.':history'}) { + if ($contrib{$idx.':history'} =~ /:/) { + my @oldversions = split/:/,$contrib{$idx.':history'}; + $numoldver = @oldversions; + } else { + $numoldver = 1; + } + } + my $message=$contrib{$idx.':message'}; + $message=~s/\n/\
/g; + $quote='
'.&Apache::lontexconvert::msgtexconverted($message,undef,$numoldver).'
'; + if ($idx > 0) { + if ($contrib{'subject'} =~ /::::\d+::::(.+)$/si) { + $subject = $1; + } else { + $subject = $contrib{$idx.':subject'}; + } + $subject = 'Re: '.$subject; + } + } else { + if ($contrib{$idx.':message'} =~ /::::\d+::::(.+)$/si) { + $oldmessage = $1; + } else { + $oldmessage = $contrib{$idx.':message'}; + } + if ($contrib{$idx.':subject'} =~ /::::\d+::::(.+)$/si) { + $subject = $1; + } else { + $subject = $contrib{$idx.':subject'}; + } + if (defined($contrib{$idx.':replyto'})) { + $parentmsg = $contrib{$idx.':replyto'}; + } + my $anonflag = 0; + if ($contrib{$idx.':anonymous'}) { + $anonflag = 1; + } + $anonscript = (<print(<print(< The LearningOnline Network with CAPA @@ -577,6 +917,7 @@ $htmlheader alert('Please check a feedback type.'); } } + $anonscript //--> @@ -586,7 +927,18 @@ $bodytag enctype="multipart/form-data"> $prevtag +END + if ($ENV{'form.replydisc'}) { + $r->print(< +END + } elsif ($ENV{'form.editdisc'}) { + $r->print(< + +END + } + $r->print(< $quote @@ -595,7 +947,7 @@ $quote $latexHelp Title:

-

Attachment (128 KB max size): @@ -611,6 +963,383 @@ $r->print(&generate_preview_button(). ''); } +sub print_display_options { + my ($r,$symb,$previous,$dispchg,$markchg,$feedurl) = @_; + # backward compatibility (bulletin boards used to be 'wrapped') + if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { + $feedurl=~s|^/adm/wrapper||; + } + + my $function = &Apache::loncommon::get_users_function(); + my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', + $ENV{'user.domain'}); + my $bodytag=&Apache::loncommon::bodytag('Discussion options', + '',''); + + my %lt = &Apache::lonlocal::texthash( + 'dido' => 'Discussion display options', + 'pref' => 'Display Preference', + 'curr' => 'Current setting ', + 'actn' => 'Action', + 'deff' => 'Default for all discussions', + 'prca' => 'Preferences can be set for this discussion that determine ....', + 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', + 'unwh' => 'Under what circumstances posts are identfied as "New."', + 'allposts' => 'All posts', + 'unread' => 'New posts only', + 'ondisp' => 'Once displayed', + 'onmark' => 'Once marked as read', + 'disa' => 'Posts displayed?', + 'npmr' => 'New posts cease to be identified as "New"?', + 'chgt' => 'Change to ', + 'mkdf' => 'Set to ', + 'yhni' => 'You have not indicated that you wish to change either of the discussion settings', + 'ywbr' => 'You will be returned to the previous page if you click OK.' + ); + + my $dispchange = $lt{'unread'}; + my $markchange = $lt{'ondisp'}; + my $currdisp = $lt{'allposts'}; + my $currmark = $lt{'onmark'}; + my $discdisp = 'allposts'; + my $discmark = 'onmark'; + + if ($dispchg eq 'allposts') { + $dispchange = $lt{'allposts'}; + $currdisp = $lt{'unread'}; + $discdisp = 'unread'; + } + + if ($markchg eq 'markonread') { + $markchange = $lt{'onmark'}; + $currmark = $lt{'ondisp'}; + $discmark = 'ondisp'; + } + $r->print(< + +$lt{'dido'} + + + +$bodytag +

+$lt{'sdpf'}
$lt{'prca'}
  1. $lt{'whpo'}
  2. $lt{'unwh'}
+
+ + + + +
+ + + + +
+ + + + + + + + + + + + + + + +
$lt{'pref'}$lt{'curr'}$lt{'actn'}?
$lt{'disa'}$lt{$discdisp} $lt{'chgt'} "$dispchange"
$lt{'npmr'}$lt{$discmark}$lt{'chgt'} "$markchange"
+
+
+
+
+ + + + +
+
+
+ + +END + return; +} + +sub print_sortfilter_options { + my ($r,$symb,$previous,$feedurl) = @_; + # backward compatibility (bulletin boards used to be 'wrapped') + if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { + $feedurl=~s|^/adm/wrapper||; + } + my @sections = (); + my $section_sel = ''; + my $numsections = 0; + my $numvisible = 5; + my ($classlist) = &Apache::loncoursedata::get_classlist( + $ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + + my $sec_index = &Apache::loncoursedata::CL_SECTION(); + my $status_index = &Apache::loncoursedata::CL_STATUS(); + my %sectioncount = (); + while (my ($student,$data) = each %$classlist) { + my ($section,$status) = ($data->[$sec_index], + $data->[$status_index]); + unless ($section eq '' || $section =~ /^\s*$/) { + if (!defined($sectioncount{$section})) { + $sectioncount{$section} = 1; + $numsections ++; + } else { + $sectioncount{$section} ++; + } + } + } + + if ($ENV{'request.course.sec'} !~ /^\s*$/) { + @sections = ($ENV{'request.course.sec'}); + $numvisible = 1; + } else { + @sections = sort {$a cmp $b} keys(%sectioncount); + unshift(@sections,'all'); # Put 'all' at the front of the list + if ($numsections < 4) { + $numvisible = $numsections + 1; + } + } + foreach (@sections) { + $section_sel .= "