--- loncom/interface/coursecatalog.pm	2019/07/26 15:32:34	1.88.2.5
+++ loncom/interface/coursecatalog.pm	2025/02/24 23:20:17	1.108
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.88.2.5 2019/07/26 15:32:34 raeburn Exp $
+# $Id: coursecatalog.pm,v 1.108 2025/02/24 23:20:17 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@ use Apache::lonnet;
 use Apache::lonlocal;
 use Apache::courseclassifier;
 use Apache::lonacc;
+use HTML::Entities();
 use LONCAPA;
 use LONCAPA::lonauthcgi;
 
@@ -57,7 +58,9 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['sortby','showdom']);
 
-    my $codedom = &Apache::lonnet::default_login_domain();
+    my $serverdefdom = &Apache::lonnet::default_login_domain();
+    my $codedom = $serverdefdom;
+    my $hostname = $r->hostname();
 
     if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) { 
         $codedom = $env{'user.domain'};
@@ -74,9 +77,22 @@ sub handler {
             $env{'form.showdom'} = '';
         }
     }
-    my $domdesc = &Apache::lonnet::domain($codedom,'description');
+    my $domdesc = &Apache::lonnet::domain($serverdefdom,'description');
     &Apache::lonhtmlcommon::clear_breadcrumbs();
-
+    
+    unless (($serverdefdom eq $codedom) ||
+            (&Apache::lonnet::will_trust('catalog',$serverdefdom,$codedom))) {
+        my $serverdomdesc = &Apache::lonnet::domain($serverdefdom,'description');
+        $r->print(&Apache::loncommon::start_page('Course/Community Catalog'));
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>"/adm/coursecatalog",
+              text=>"Course/Community Catalog"});
+        $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
+        $r->print('<div role="main">'.&mt('Access to catalog LON-CAPA courses/communities unavailable for: "[_1]" on servers run by: "[_2]".',
+                  $domdesc,$serverdomdesc).'</div>');
+        $r->print(&Apache::loncommon::end_page());
+        return OK;
+    }
     my $crscats = &Apache::lonnet::get_dom_cats($codedom);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($codedom);
     my $knownuser = &user_is_known();
@@ -103,18 +119,30 @@ sub handler {
           text=>"Course/Community Catalog"});
         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
         if ($knownuser || $canviewall) {
-            $r->print('<div>'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
+            $r->print('<div role="main">'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
         } else {
             if ($domdefaults{'catauth'} eq 'none') {
-                $r->print('<div>'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
+                $r->print('<div role="main">'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
             } else {
-                $r->print('<div>'.&mt('The catalog of LON-CAPA courses/communities provided for: "[_1]" is only available to users who are logged in.',$domdesc).'</div>');
+                $r->print('<div role="main">'.&mt('The catalog of LON-CAPA courses/communities provided for: "[_1]" is only available to users who are logged in.',$domdesc).'</div>');
             }
         }      
         $r->print(&Apache::loncommon::end_page());
         return OK;
     }
 
+    for (my $i=0; $i<=$env{'form.catalog_maxdepth'}; $i++) {
+        if ($env{'form.currcat_'.$i} eq '-1') {
+            $env{'form.currcat_'.$i} = '';
+        }
+        if (exists($env{'form.initialcurrcat_'.$i})) {
+            if ($env{'form.currcat_'.$i} ne $env{'form.initialcurrcat_'.$i}) {
+                $env{'form.catalog_maxdepth'} = $i;
+                last;
+            }
+        }
+    }
+
     my $cnum;
     if ($cattype eq 'codesrch') {
         my ($uniquecode,$codemsg,$brtext);
@@ -124,7 +152,7 @@ sub handler {
         }
         my $js = '<script type="text/javascript">'."\n".
                  '// <![CDATA['."\n".
-                 &courselink_javascript()."\n".
+                 &courselink_javascript($hostname)."\n".
                  '// ]]>'."\n".
                  '</script>'."\n";
         $r->print(&Apache::loncommon::start_page('Search for a Course/Community',$js));
@@ -175,8 +203,15 @@ sub handler {
                                       $courseinfo{$codedom.'_'.$cnum}{$item});
                             if ($item eq 'title') {
                                 if ($courseinfo{$codedom.'_'.$cnum}{'showsyllabus'}) {
+                                    my $usehttp = 0;
+                                    if (($ENV{'SERVER_PORT'} == 443) && ($courseinfo{$codedom.'_'.$cnum}{'extsyllplain'})) {
+                                        unless ((&Apache::lonnet::uses_sts()) ||
+                                                (&Apache::lonnet::waf_allssl($hostname))) {
+                                            $usehttp = 1;
+                                        }
+                                    }
                                     $r->print('&nbsp;<font size="-2">'.
-                                              '<a href="javascript:ToSyllabus('."'$codedom','$cnum'".')">'.
+                                              '<a href="javascript:ToSyllabus('."'$codedom','$cnum','$usehttp'".')">'.
                                               &mt('Syllabus').'</a></font>');
                                 }
                             }
@@ -233,41 +268,19 @@ sub handler {
     &validate_input($codedom,\@cats,\%maxd,$cathash);
     my ($numtitles,@codetitles);
     if (($env{'form.coursenum'} ne '') && ($knownuser)) {
-        &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems,\@codetitles);
+        &course_details($r,$codedom,$formname,$domdesc,$hostname,\@trails,
+                        \%allitems,\@codetitles);
     } else {
         my ($catlinks,$has_subcats,$selitem) = &category_breadcrumbs($codedom,@cats);
         my $wasacctext = &get_wasactive_text();
+        my %js_lt = &Apache::lonlocal::texthash(
+                                                 'noch' => 'No changes made in drop-down lists',
+                                                 'chsu' => 'Choose a subcategory to display',
+                                                 'chca' => 'Choose a category to display',
+        );
+        &js_escape(\%js_lt);
         my $catjs = <<"ENDSCRIPT";
 
-function setCatDepth(depth) {
-    var depth = parseInt(depth);
-    if (depth !== NaN) {
-        if (depth > 0) {
-            var possmaxd = 0;
-            var toplevel = new Array($toplevelstr);
-            var maxdepths = new Array($maxdepthstr);
-            if (toplevel.length) {
-                for (var i=0; i<toplevel.length; i++) {
-                    var item = unescape(toplevel[i]);
-                    if (item == document.coursecats.currcat_0.value) {
-                        possmaxd = maxdepths[i];
-                        break;
-                    }
-                }
-            }
-            if (depth > possmaxd) {
-                depth = possmaxd;
-            }
-        }
-        document.coursecats.catalog_maxdepth.value = depth;
-    } else {
-        document.coursecats.currcat_0.value = '';
-        document.coursecats.catalog_maxdepth.value = '';
-    }
-    document.coursecats.submit();
-    return;
-}
-
 function changeSort(caller) {
     document.$formname.sortby.value = caller;
     document.$formname.submit();
@@ -279,7 +292,7 @@ function setCourseId(caller) {
 }
 
 ENDSCRIPT
-        $catjs .= &courselink_javascript();
+        $catjs .= &courselink_javascript($hostname);
         if (&user_is_dc($codedom) || $canviewall) {
             $catjs .= <<ENDTOGGJS
 
@@ -314,28 +327,50 @@ ENDTOGGJS
                                                    $catlinks,$catjs,\@codetitles,$cattype,$canviewall);
             if ($env{'form.state'} eq 'listing') {
                 $r->print(&print_course_listing($codedom,$numtitles,undef,undef,undef,
-                                                \@codetitles,$canviewall));
+                                                \@codetitles,$canviewall,$hostname));
             }
         } else {
             my (%add_entries);
             my ($currdepth,$deeper) = &get_depth_values();
-            if ($selitem) {
-                my $alert = &mt('Choose a subcategory to display');
-                if (!$deeper) {
-                    $alert = &mt('Choose a category to display');
-                }
-                &js_escape(\$alert);
-                $catjs .= <<ENDJS;
+            my $alert = $js_lt{'chsu'};
+            if (!$deeper) {
+                $alert = $js_lt{'chca'};
+            }
+            $catjs .= <<"ENDJS";
 function check_selected() {
-    if (document.coursecats.$selitem.options[document.coursecats.$selitem.selectedIndex].value == "") {
-        alert('$alert');
+    var currdepth = parseInt('$currdepth');
+    var countchanged = 0;
+    for (var i=0; i<=currdepth; i++) {
+        var selidx = document.coursecats.elements['currcat_'+i].selectedIndex;
+        var selvalue = document.coursecats.elements['currcat_'+i].options[selidx].value;
+        if (i<currdepth) {
+            var initialvalue = document.coursecats.elements['initialcurrcat_'+i].value;
+            if (selvalue != initialvalue) {
+                countchanged ++;
+            }
+        } else {
+            if (countchanged == 0) {
+                if (selvalue == "") {
+                    alert('$alert');
+                    return false;
+                } else {
+                    countchanged ++;
+                }
+            }
+        }
+    }
+    if (countchanged == 0) {
+        alert("$js_lt{'noch'}");
         return false;
     }
 }
 ENDJS
-            }
-            $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
-            &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks,undef,$cattype);
+            my $js = '<script type="text/javascript">'."\n".
+                     '// <![CDATA['."\n".
+                     "$catjs\n".
+                     '// ]]>'."\n".
+                     '</script>';
+            &cat_header($r,$codedom,$js,\%add_entries,$catlinks,undef,$cattype);
             if ($env{'form.currcat_0'} ne '') {
                 $r->print('<form name="'.$formname.
                           '" method="post" action="/adm/coursecatalog">'.
@@ -348,6 +383,8 @@ ENDJS
                 my $display_button;
                 if ($env{'form.currcat_0'} eq 'communities::0') {
                     $display_button = &mt('Display communities');
+                } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                    $display_button = &mt('Display placement tests');
                 } else {
                     $display_button = &mt('Display courses');
                 }
@@ -361,16 +398,17 @@ ENDJS
             }
             if ($env{'form.state'} eq 'listing') {
                 $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats,\@codetitles,
-                                                $canviewall));
+                                                $canviewall,$hostname));
             }
         }
+        $r->print('</div>');
     }
-    $r->print('<br />'.&Apache::loncommon::end_page());
+    $r->print(&Apache::loncommon::end_page());
     return OK;
 }
 
 sub validate_input {
-    my ($codedom,$cats,$maxd,$configref) = @_;
+    my ($codedom,$cats,$maxd,$crscatsref) = @_;
     my $currcat = '';
     my $depth = 0;
     if ($env{'form.catalog_maxdepth'} ne '') {
@@ -463,8 +501,8 @@ sub validate_input {
     }
 
     foreach my $key (sort(keys(%env))) {
-        if ($key =~ /^form\.(.+)$/) {
-            unless ($possibles{$1}) {
+        if ($key =~ /^form\.currcat_(.+)$/) {
+            unless ($possibles{'currcat_'.$1}) {
                 delete($env{$key});
             }
         }
@@ -637,12 +675,12 @@ sub get_instcode_allowable {
 }
 
 sub course_details {
-    my ($r,$codedom,$formname,$domdesc,$trails,$allitems,$codetitles) = @_;
+    my ($r,$codedom,$formname,$domdesc,$hostname,$trails,$allitems,$codetitles) = @_;
     my $output;
     my %add_entries = (topmargin    => "0",
                        marginheight => "0",);
     my $js = '<script type="text/javascript">'."\n".
-             &courselink_javascript().'</script>'."\n";
+             &courselink_javascript($hostname).'</script>'."\n";
     my $start_page =
         &Apache::loncommon::start_page('Course/Community Catalog',$js,
                                        {'add_entries' => \%add_entries, });
@@ -654,9 +692,18 @@ sub course_details {
     }
     my $brtextone = 'Course listing';
     my $brtexttwo = 'Course details';
+    my $textthree = &mt('Detailed course information:');
+    my $textfour = &mt('Back to course listing');
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $brtextone = 'Community listing';
         $brtexttwo = 'Community details';
+        $textthree = &mt('Detailed community information:');
+        $textfour = &mt('Back to community listing');
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $brtextone = 'Placement test listing';
+        $brtexttwo = 'Placement test details';
+        $textthree = &mt('Detailed placement test information:');
+        $textfour = &mt('Back to placement test listing');
     }
     &Apache::lonhtmlcommon::add_breadcrumb
              ({href=>"javascript:document.$formname.submit()",
@@ -664,23 +711,16 @@ sub course_details {
              {text=>$brtexttwo});
     $r->print(
         &Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog').
-        '<h2>'.
-        (($env{'form.currcat_0'} eq 'communities::0') ?
-            &mt('Detailed community information:') :
-            &mt('Detailed course information:')).
-        '</h2>'.
-        &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles).
+        '<div role="main">'.
+        '<h2>'.$textthree.'</h2>'.
+        &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles,undef,$hostname).
         '<br />'.
         '<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
         &Apache::lonhtmlcommon::actionbox([
-            '<a href = "javascript:document.coursecatalog.submit()">'.
-            (($env{'form.currcat_0'} eq 'communities::0') ?
-                &mt('Back to community listing') : &mt('Back to course listing')).
-            '</a>'
-        ]).
+            '<a href = "javascript:document.coursecatalog.submit()">'.$textfour.'</a>']).
         &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter',
                                                  'showdetails','courseid']).
-        '</form>');
+        '</form></div>');
     return;
 }
 
@@ -705,9 +745,10 @@ END
 }
 
 sub courselink_javascript {
+    my ($hostname) = @_;
     return <<"END";
 
-function ToSyllabus(cdom,cnum) {
+function ToSyllabus(cdom,cnum,usehttp) {
     if (cdom == '' || cdom == null) {
         return;
     }
@@ -715,6 +756,13 @@ function ToSyllabus(cdom,cnum) {
         return;
     }
     document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus";
+    if (usehttp == 1) {
+        var hostname = '$hostname';
+        if (hostname != '') {
+            document.linklaunch.action = 'http://'+hostname+document.linklaunch.action;
+        }
+        document.linklaunch.action += '?usehttp=1';
+    }
     document.linklaunch.submit();
 }
 
@@ -797,6 +845,8 @@ sub cat_header {
     my $brtext = 'Course listing';
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $brtext = 'Community listing';
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $brtext = 'Placement test listing';
     }
     if ($env{'form.state'} eq 'listing') {
         if ($numtitles > 0) {
@@ -813,19 +863,21 @@ sub cat_header {
         ({href=>"/adm/coursecatalog",
           text=>"Course/Community Catalog"});
     }
-    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog').
+              '<div role="main">');
     if ($cattype eq 'std') {
-        my $onchange = 'this.form.submit()';
         $r->print('<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
-                  '<table border="0"><tr><td><b>'.&mt('Domain:').'</b></td><td>'.
-                  &Apache::loncommon::select_dom_form($codedom,'showdom','',1,$onchange));
-        if (!$onchange) {
-	   $r->print('&nbsp;<input type="submit" name="godom" value="'.&mt('Change').'" />');
-        }
-        $r->print('</td></tr></table></form>');
+                  '<table border="0"><tr><th align="left"><label for="showdom">'.&mt('Domain:').'</label></th><td>'.
+                  &Apache::loncommon::select_dom_form($codedom,'showdom','',1,'','','','','showdom').
+                  '&nbsp;<input type="submit" name="godom" value="'.&mt('Change').'" />'."\n".
+                  '<input type="hidden" name="initialshowdom" value="'.$codedom.'" />'."\n".
+                  '</td></tr></table></form>');
+    }
+    my $onsubmit;
+    unless ($env{'form.currcat_0'} eq 'instcode::0') {
+        $onsubmit = ' onsubmit="return check_selected();"';
     }
-    $r->print('<form name="coursecats" method="post" action="/adm/coursecatalog"'.
-              ' onsubmit="return check_selected();">'.
+    $r->print('<form name="coursecats" method="post" action="/adm/coursecatalog"'.$onsubmit.'>'.
               '<table border="0"><tr>'.$catlinks.'</tr></table></form>');
     return;
 }
@@ -837,9 +889,10 @@ sub category_breadcrumbs {
     my $currcat_str = 
         '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" />'.
         '<input type="hidden" name="showdom" value="'.$dom.'" />';
-    my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr><td>';
+    my $catlinks = '<th class="LC_middle LC_left">'.&mt('Catalog:').'</th><td><div class="LC_leftfloat">';
     my $has_subcats;
     my $selitem;
+    my $update_button;
     if (ref($cats[0]) eq 'ARRAY') {
         if (@{$cats[0]} == 0) {
             $catlinks .= &mt('No categories defined in this domain'); 
@@ -850,6 +903,9 @@ sub category_breadcrumbs {
             } elsif ($cats[0][0] eq 'communities') {
                 $catlinks .= &mt('Communities');
                 $env{'form.currcat_0'} = 'communities::0';
+            } elsif ($cats[0][0] eq 'placement') {
+                $catlinks .= &mt('Placement Tests');
+                $env{'form.currcat_0'} = 'placement::0';
             } else {
                 my $name = $cats[0][0];
                 my $item = &escape($name).'::0';
@@ -858,6 +914,7 @@ sub category_breadcrumbs {
             }
             $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
         } else {
+            $update_button = 1;
             $catlinks .= &main_category_selector(@cats);
             if (($env{'form.currcat_0'} ne '') && 
                 ($env{'form.currcat_0'} ne 'instcode::0')) {
@@ -867,7 +924,7 @@ sub category_breadcrumbs {
     } else {
         $catlinks .= &mt('Official courses (with institutional codes)');
                      $env{'form.currcat_0'} = 'instcode::0';
-         $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
+        $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
     }
     if ($deeper) {
         for (my $i=1; $i<=$deeper; $i++) {
@@ -875,11 +932,10 @@ sub category_breadcrumbs {
             next if ($shallower == 0);
             my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
             if ($cat ne '') {
-                $catlinks .= '<td valign="top">'.
-                             '<select name="currcat_'.$shallower.'" onchange="'.
-                             'setCatDepth('."'$shallower'".');this.form.submit();">';
+                my $labeltext = &HTML::Entities::encode(&mt('Level [_1] category',$shallower),'<>&"');
+                $catlinks .= '<select name="currcat_'.$shallower.'" aria-label="'.$labeltext.'">';
                 if (ref($cats[$shallower]{$container}) eq 'ARRAY') {
-                    $catlinks .= '<option value="">'.&mt('De-select').'</option>';
+                    $catlinks .= '<option value="-1">'.&mt('De-select').'</option>';
                     for (my $j=0; $j<@{$cats[$shallower]{$container}}; $j++) {
                         my $name = $cats[$shallower]{$container}[$j];
                         my $item = &escape($name).':'.&escape($container).':'.$shallower;
@@ -891,7 +947,8 @@ sub category_breadcrumbs {
                            '<option value="'.$item.'"'.$selected.'>'.$name.'</option>';
                     }
                 }
-                $catlinks .= '</select>';
+                $catlinks .= '</select>'.
+                             '<input type="hidden" name="initialcurrcat_'.$shallower.'" value="'.$env{'form.currcat_'.$shallower}.'" />';
             }
             unless ($i == $deeper) {
                 $catlinks .= $crumbsymbol;
@@ -909,7 +966,8 @@ sub category_breadcrumbs {
             $has_subcats = 1;
             my $buttontext = &mt('Show subcategories');
             my $selitem = 'currcat_'.$deeperlevel;
-            $catlinks .= '&nbsp;<select name="'.$selitem.'" onchange="this.form.submit()">';
+            my $labeltext = &HTML::Entities::encode(&mt('Level [_1] category',$deeperlevel),'<>&"');
+            $catlinks .= '&nbsp;<select name="'.$selitem.'" aria-label="'.$labeltext.'">';
             if (@{$cats[$deeperlevel]{$cat}}) {
                 $catlinks .= '<option value="" selected="selected">'.
                              &mt('Subcategory ...').'</option>';
@@ -926,13 +984,18 @@ sub category_breadcrumbs {
     } else {
         $selitem = 'currcat_0';
     }
-    $catlinks .= $currcat_str.'</td></tr></table></td>';
+    $catlinks .= $currcat_str;
+    if ($update_button) {
+        $catlinks .= '&nbsp;<input type="submit" name="gocat" value="'.&mt('Update').'" />'."\n";
+    }
+    $catlinks .= '</div></td>';
     return ($catlinks,$has_subcats,$selitem);
 }
 
 sub main_category_selector {
     my (@cats) = @_;
-    my $maincatlinks = '<select name="currcat_0" onchange="setCatDepth('."'0'".');this.form.submit();">'."\n";
+    my $labeltext = &HTML::Entities::encode(&mt('Top level category'),'<>&"');
+    my $maincatlinks = '<select name="currcat_0" aria-label="'.$labeltext.'">'."\n";
     if (ref($cats[0]) eq 'ARRAY') {
         if (@{$cats[0]} > 1) {
             my $selected = '';
@@ -954,12 +1017,15 @@ sub main_category_selector {
                 $maincatlinks .= &mt('Official courses (with institutional codes)');
             } elsif ($name eq 'communities') {
                 $maincatlinks .= &mt('Communities');
+            } elsif ($name eq 'placement') {
+                $maincatlinks .= &mt('Placement Tests');
             } else {
                 $maincatlinks .= $name;
             }
             $maincatlinks .= '</option>'."\n";
         }
-        $maincatlinks .= '</select>'."\n";
+        $maincatlinks .= '</select>'."\n".
+                         '<input type="hidden" name="initialcurrcat_0" value="'.$env{'form.currcat_0'}.'" />'."\n";
     }
     return $maincatlinks;
 }
@@ -985,7 +1051,7 @@ sub additional_filters {
     if ($is_dc || $canviewall) {
         $output .= '<fieldset><legend>'.&mt('Options').'</legend>';
     }
-    $output .= '<table><tr><td valign="top">';
+    $output .= '<div class="LC_floatleft" style="text-align: top">';
     if (($env{'form.currcat_0'} ne 'instcode::0') &&
         ($env{'form.currcat_0'} ne '') && ($has_subcats)) {
         my $include_subcat_status;
@@ -1016,6 +1082,8 @@ sub additional_filters {
     my $selfenroll_text;
     if ($env{'form.currcat_0'} eq 'communities::0') {
         $selfenroll_text = &mt('Only show communities which currently allow self-enrollment (or will allow it in the future)');
+    } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+        $selfenroll_text = &mt('Only show placement tests which currently allow self-enrollment (or will allow it in the future)');
     } else {
         $selfenroll_text = &mt('Only show courses which currently allow self-enrollment (or will allow it in the future)');
     }
@@ -1044,11 +1112,15 @@ sub additional_filters {
             }
         } else {
             $statusdisplay = 'none';
-            $cellborder = 'border-left: 0px';
+            $cellborder = 'border-left: 0px;';
         }
+        $cellborder .= ' vertical-align: top;';
         if ($env{'form.currcat_0'} eq 'communities::0') {
             $details_text = &mt('Show full details for each community (domain staff only)');
             $hidden_text = &mt('Include communities set to be hidden from catalog (domain staff only)');
+        } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+            $details_text = &mt('Show full details for each placement test (domain staff only)');
+            $hidden_text = &mt('Include placement tests set to be hidden from catalog (domain staff only)');
         } else {
             $details_text = &mt('Show full details for each course (domain staff only)');
             $hidden_text = &mt('Include courses set to be hidden from catalog (domain staff only)');
@@ -1062,9 +1134,9 @@ sub additional_filters {
         $output .= '<span class="LC_nobreak">'.
                    '<label><input type="checkbox" name="showdetails" value="1" '.
                    $showdetails_status.'onclick="toggleStatuses();" />'.
-                   $details_text.'</label></span></td>'."\n".
-                   '<td id="statuscell" valign="top" style="'.$cellborder.'">'.
-                   '<div id="statuschoice" style="display:'.$statusdisplay.'">';
+                   $details_text.'</label></span></div>'."\n".
+                   '<div class="LC_floatleft" id="statuscell" style="'.$cellborder.'">'.
+                   '<div class="LC_floatleft" id="statuschoice" style="display:'.$statusdisplay.'; margin-left: 10px">';
         if (ref($orderref) eq 'ARRAY') {
             if (@{$orderref} > 0) {
                 foreach my $type (@{$orderref}) {
@@ -1094,13 +1166,14 @@ sub additional_filters {
                             date      => 'immediately prior to specific date:',
                         );
                         my @statuses = &Apache::loncommon::get_env_multiple('form.showcounts');
-                        $output .= '<span id="choosewasacctext" class="LC_nobreak">';
+                        my $wasactivetext;
                         if ($checked) {
-                            $output .= &get_wasactive_text();
+                            $wasactivetext = &get_wasactive_text();
                         }
-                        $output .= '</span>'.
-                                   '<div id="choosewasactive" style="display:'.$wasactivedisplay.'">'.
-                                   '<table>';
+                        $output .= '<div id="choosewasactive" style="display:'.$wasactivedisplay.'">'."\n".
+                                   '<fieldset style="margin-left: 4px">'."\n".
+                                   '<legend id="choosewasacctext" style="font-weight: normal">'."\n".
+                                   $wasactivetext.'</legend>'."\n";
                         my @milestones = ('accessend');
                         if (&Apache::lonnet::auto_run(undef,$codedom)) {
                             push(@milestones,'enrollend');
@@ -1116,8 +1189,7 @@ sub additional_filters {
                                 $checked = ' checked="checked"';
                             }
                             $output .=
-                                '<tr><td width="10">&nbsp;</td><td>'.
-                                '<span class="LC_nobreak"><label>'.
+                                '<span class="LC_nobreak" style="padding-left:10px;"><label>'.
                                 '<input type="radio" value="'.$item.'" name="wasactive"'.$checked.' />'.
                                 $milestonetext{$item}.'</label></span>';
                             if ($item eq 'date') {
@@ -1135,19 +1207,19 @@ sub additional_filters {
                                                                         '','','',1,'',
                                                                         '','',1);
                             }
-                            $output .= '</td></tr>';
+                            $output .= '<br />';
                         }
-                        $output .= '</table></div>';
+                        $output .= '</fieldset></div>';
                     }
                     $output .= '<br />';
                 }
             }
         }
-        $output .= '</div></td>';
+        $output .= '</div></div>';
     } else {
-        $output .= '</td>';  
+        $output .= '</div>';  
     }
-    $output .= '</tr></table></fieldset></div>'.
+    $output .= '</fieldset></div>'.
                '<div style="clear:both;margin:0;"></div>';  
     return $output;
 }
@@ -1206,11 +1278,11 @@ sub get_statustitles {
 }
 
 sub get_wasactive_text {
-    my $wasacctext = ' -- ';
+    my $wasacctext;
     if ($env{'form.currcat_0'} eq 'communities::0') {
-        $wasacctext .= &mt('where member access status was current ...');
+        $wasacctext .= &mt('count where member access status was current ...');
     } else {
-        $wasacctext .= &mt('where student access status was current ...');
+        $wasacctext .= &mt('count where student access status was current ...');
     }
     return $wasacctext;
 }
@@ -1262,6 +1334,8 @@ sub search_courselist {
         }
         if ($env{'form.currcat_0'} eq 'communities::0') {
             $typefilter = 'Community';
+        } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+            $typefilter = 'Placement';
         } else {
             $typefilter = '.';
         }
@@ -1274,7 +1348,7 @@ sub search_courselist {
 }
 
 sub print_course_listing {
-    my ($domain,$numtitles,$trails,$allitems,$subcats,$codetitles,$canviewall) = @_;
+    my ($domain,$numtitles,$trails,$allitems,$subcats,$codetitles,$canviewall,$hostname) = @_;
     my $output;
     my %courses;
     my $knownuser = &user_is_known();
@@ -1293,7 +1367,9 @@ sub print_course_listing {
             $output = '<p class="LC_error">';
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= &mt('The courseID provided does not match a community in this domain.');
-            } else { 
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .= &mt('The courseID provided does not match a placement test in this domain.');
+            } else {
                 $output .= &mt('The courseID provided does not match a course in this domain.');
             }
             $output .= '</p>';
@@ -1309,6 +1385,8 @@ sub print_course_listing {
             $output = '<p class="LC_info">';
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= &mt('No communities match the criteria you selected.');
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .= &mt('No placement tests match the criteria you selected.');
             } else {
                 $output .= &mt('No courses match the criteria you selected.');
             }
@@ -1323,7 +1401,7 @@ sub print_course_listing {
     }
     my $now = time;
     $output .= &construct_data_table($knownuser,$domain,\%courses,$details,undef,
-                                     $now,$trails,$allitems,$canviewall);
+                                     $now,$trails,$allitems,$canviewall,$hostname);
     $output .= "\n".'<form name="linklaunch" method="post" action="">'.
                '<input type="hidden" name="backto" value="coursecatalog" />'.
                '<input type="hidden" name="courseid" value="" />'.
@@ -1332,7 +1410,8 @@ sub print_course_listing {
 }
 
 sub construct_data_table {
-    my ($knownuser,$domain,$courses,$details,$usersections,$now,$trails,$allitems,$canviewall) = @_;
+    my ($knownuser,$domain,$courses,$details,$usersections,$now,
+        $trails,$allitems,$canviewall,$hostname) = @_;
     my %sortname;
     if (($details eq '') || ($env{'form.showdetails'})) {
         $sortname{'Code'} = 'code';
@@ -1357,7 +1436,7 @@ sub construct_data_table {
         if (defined($sortname{$item})) {
             $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
         } elsif ($item eq 'Count') {
-            $output .= '&nbsp;&nbsp;';
+            $output .= '#';
         } else {
             $output .= &mt($item);
         }
@@ -1369,6 +1448,10 @@ sub construct_data_table {
             if ($env{'form.currcat_0'} eq 'communities::0') {
                 $output .= '<th>'.&mt('Default Access Dates for Members').'</th>'.
                            '<th>'.&mt('Member Counts').'</th>';
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $output .=
+                    '<th>'.&mt('Default Access Dates for Students').'</th>'.
+                    '<th>'.&mt('Student Counts').'</th>';               
             } else {
                 $output .=
                     '<th>'.&mt('Default Access Dates for Students').'</th>'.
@@ -1416,7 +1499,7 @@ sub construct_data_table {
     my (%numbers,%creditsum);
     my ($showcredits,$defofficial,$defunofficial,$deftextbook);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
-    unless ($env{'form.currcat_0'} eq 'communities::0') {
+    unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
         if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
             $showcredits = 1;
             $defofficial = $domdefaults{'officialcredits'};
@@ -1454,11 +1537,31 @@ sub construct_data_table {
     }
     my $count = 1;
     my $totalsec = 0;
+    my %clutteredxlists;
+    foreach my $course (keys(%courseinfo)) {
+        if (ref($courseinfo{$course}) eq 'HASH') {
+            if ($courseinfo{$course}{'xlist'} ne '') {
+                my $crskey = $courseinfo{$course}{'cnum'}.':'.$courseinfo{$course}{'code'};
+                my @xlists = split(/,\s/,$courseinfo{$course}{'xlist'});
+                $clutteredxlists{$crskey} = \@xlists;
+            }
+        }
+    }
+    if (keys(%clutteredxlists)) {
+        my %reformattedxlists = &Apache::lonnet::auto_instsec_reformat($domain,'declutter',\%clutteredxlists);
+        foreach my $crskey (keys(%reformattedxlists)) {
+            if (ref($reformattedxlists{$crskey}) eq 'ARRAY') {
+                my $course = $domain.'_'.(split(/:/,$crskey))[0];
+                $courseinfo{$course}{'xlist'} = join(', ',@{$reformattedxlists{$crskey}});
+            }
+        }
+    }
     foreach my $item (@sorted_courses) {
         foreach my $course (@{$Sortby{$item}}) {
             $output.=&Apache::loncommon::start_data_table_row(); 
             $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details,
-                                     \$count,$now,$course,$trails,$allitems,\%numbers,$canviewall);
+                                     \$count,$now,$course,$trails,$allitems,
+                                     \%numbers,$canviewall,$hostname);
             $output.=&Apache::loncommon::end_data_table_row();
         }
     }
@@ -1482,6 +1585,8 @@ sub construct_data_table {
                 $lt{'Active'} = &mt('Total current members'); 
                 $lt{'Future'} = &mt('Total future members');
                 $lt{'Previous'} = &mt('Total previous members');
+            } elsif ($env{'form.currcat_0'} eq 'placement::0') {
+                $lt{'courses'} = &mt('Total placement tests');
             }
             my $colspan = 8;
             if ($showcredits) {
@@ -1540,7 +1645,7 @@ sub build_courseinfo_hash {
         $cleandesc=~s/'/\\'/g;
         $cleandesc =~ s/^\s+//;
         my ($cdom,$cnum)=split(/\_/,$course);
-        my ($instcode,$singleowner,$ttype,$selfenroll_types,
+        my ($instcode,$singleowner,$ttype,$selfenroll_types,$extsyllplain,
             $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
         if (ref($courses->{$course}) eq 'HASH') {
             $descr = $courses->{$course}{'description'};
@@ -1551,6 +1656,7 @@ sub build_courseinfo_hash {
             $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
             $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
             $categories = $courses->{$course}{'categories'};
+            $extsyllplain = $courses->{$course}{'extsyllplain'};
             push(@owners,$singleowner);
             if ($courses->{$course}{'co-owners'} ne '') {
                 foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) {
@@ -1594,6 +1700,7 @@ sub build_courseinfo_hash {
         $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
         $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
         $courseinfo{$course}{'categories'} = $categories;
+        $courseinfo{$course}{'extsyllplain'} = $extsyllplain;
 
         my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
         my @classids;
@@ -1776,9 +1883,11 @@ sub count_students {
 }
 
 sub courseinfo_row {
-    my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,$numbers,$canviewall) = @_;
+    my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,
+        $numbers,$canviewall,$hostname) = @_;
     my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
-        $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
+        $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories,
+        $extsyllplain);
     if (ref($info) eq 'HASH') {
         $cdom = $info->{'cdom'};
         $cnum = $info->{'cnum'};
@@ -1792,6 +1901,7 @@ sub courseinfo_row {
         $counts = $info->{'counts'};
         $autoenrollment = $info->{'autoenrollment'};
         $showsyllabus = $info->{'showsyllabus'};
+        $extsyllplain = $info->{'extsyllplain'};
         $categories = $info->{'categories'};
     } else {
         $output = '<td colspan="8">'.&mt('No information available for [_1].',
@@ -1807,7 +1917,13 @@ sub courseinfo_row {
             @cats = split('&',$categories);
         }
         if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) {
-            my @categories = map { $trails->[$allitems->{$_}]; } @cats;
+            my @categories;
+            foreach my $cat (@cats) {
+                next if ($cat eq '');
+                if (($allitems->{$cat} ne '') && ($trails->[$allitems->{$cat}] ne '')) {
+                    push(@categories,$trails->[$allitems->{$cat}]);
+                }
+            }
             $categorylist = join('<br />',@categories);
         }
         if ($categorylist eq '') {
@@ -1819,7 +1935,14 @@ sub courseinfo_row {
                '<td>'.$xlist_items.'</td>'.
                '<td>'.$title.'&nbsp;<font size="-2">';
     if ($showsyllabus) {
-        $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.&mt('Syllabus').'</a>';
+        my $usehttp = 0;
+        if (($ENV{'SERVER_PORT'} == 443) && ($extsyllplain)) {
+            unless ((&Apache::lonnet::uses_sts()) ||
+                    (&Apache::lonnet::waf_allssl($hostname))) {
+                $usehttp = 1;
+            }
+        }
+        $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum','$usehttp'".')">'.&mt('Syllabus').'</a>';
     } else {
         $output .= '&nbsp;';
     }
@@ -1830,7 +1953,7 @@ sub courseinfo_row {
             $output .=
                 '<td>'.$accessdates.'</td>'.
                 '<td>'.$counts.'</td>';
-            unless ($env{'form.currcat_0'} eq 'communities::0') {
+            unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
                 $output .= '<td>'.$autoenrollment.'</td>';
             }
         } else {
@@ -1899,13 +2022,19 @@ sub identify_sections {
 sub get_valid_classes {
     my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
     my $response;
-    my (@sections,@xlists,%possclasses,%okclasses,%validations);
+    my (@sections,@format_sections,@xlists,%possclasses,%okclasses,%validations);
     @{$validations{'sections'}} = ();
     @{$validations{'xlists'}} = ();
     my $totalitems = 0;
     if ($seclist) {
         @sections = split(/,\s+/,$seclist);
-        map { $possclasses{$crscode.$_} = 1; } @sections;
+        my $crskey = $cnum.':'.$crscode;
+        my %formattedsec = &Apache::lonnet::auto_instsec_reformat($cdom,'clutter',
+                                                                  {$crskey => \@sections});
+        if (ref($formattedsec{$crskey}) eq 'ARRAY') {
+            @format_sections = @{$formattedsec{$crskey}};
+            map { $possclasses{$crscode.$_} = 1; } @format_sections;
+        }
     }
     if ($xlist_items) {
         @xlists = split(/,\s+/,$xlist_items);
@@ -1914,9 +2043,10 @@ sub get_valid_classes {
     my %okclasses = &Apache::lonnet::auto_validate_instclasses($cdom,$cnum,$owners,
                                                                \%possclasses);
     if (keys(%okclasses)) {
-        foreach my $sec (@sections) {
-            if ($okclasses{$crscode.$sec}) {
-                if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
+        for (my $i=0; $i<@sections; $i++) {
+            if ($okclasses{$crscode.$format_sections[$i]}) {
+                my $sec = $sections[$i];
+                if (!grep(/^\Q$sec\E$/,@{$validations{'sections'}})) {
                     push(@{$validations{'sections'}},$sec);
                     $totalitems ++;
                 }
@@ -1937,6 +2067,13 @@ sub get_valid_classes {
                         join(', ',@{$validations{'sections'}}).'<br />';
         }
         if (@{$validations{'xlists'}}) {
+            my $crskey = $cnum.':'.$crscode;
+            my %reformattedxlists =
+                &Apache::lonnet::auto_instsec_reformat($cdom,'declutter',
+                                                       {$crskey => $validations{'xlists'}});
+            if (ref($reformattedxlists{$crskey}) eq 'ARRAY') {
+                $validations{'xlists'} = $reformattedxlists{$crskey};
+            }
             $response .= &mt('Courses:').' '.
                         join(', ',@{$validations{'xlists'}});
         }