--- loncom/interface/courseprefs.pm	2010/02/21 01:06:13	1.8.2.7
+++ loncom/interface/courseprefs.pm	2010/12/26 05:22:21	1.28.2.8
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set configuration settings for a course
 #
-# $Id: courseprefs.pm,v 1.8.2.7 2010/02/21 01:06:13 raeburn Exp $
+# $Id: courseprefs.pm,v 1.28.2.8 2010/12/26 05:22:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -122,27 +122,27 @@ Creates table used to display and set co
 
 Inputs: $cdom,$items,$ordered,$settings,$rowtotal,$crstype
 where $cdom is course's domain, $items is HASH ref for current config
-item, $ordered is ARRAY ref of items to include in row in
+item, $ordered is ARRAY ref of items to include in row in 
 display order, $settings is HASH ref of current values forrow,
-$rowtotal is SCALAR ref used to accumulate row count, $crstype is
+$rowtotal is SCALAR ref used to accumulate row count, $crstype is    
 course type.
 
 Returns: $datatable
-HTML mark-up of data table which accumulates individual rows.
+HTML mark-up of data table which accumulates individual rows.  
 
 =item nothidepriv_row()
 
 Creates row containing form elements used to display and set
-whether Domain coordinators who are currently included in
+whether Domain coordinators who are currently included in  
 advanced course user .db file for a course are to be hidden (e.g.,
 in syllabus, or from course user lists).
 
 Inputs: $cdom,$item,$settings,$crstype
 where $cdom is course domain, item is nothideprivileged, $settings is
-HASH ref of the current values for nothideprivileged, $crstype is
-course type (Course or Community).
+HASH ref of the current values for nothideprivileged, $crstype is 
+course type (Course or Community). 
 
-Returns: $datatable
+Return: $datatable
 HTML mark-up for Privileged users (Domain Coordinators) in staff listing.
 
 =item print_hdrfmt_row()
@@ -163,7 +163,7 @@ for the "Print header format" row.
 =item position_selector()
 
 Creates a select box which can be used to reorder substitutions
-and text included in a printout header.
+and text included in a printout header. 
 
 Inputs: $pos,$num,$maxnum
 where $pos is current position, $num is the unique identifier,
@@ -171,23 +171,23 @@ and $maxnum is the total number of items
 and text in the printout header.
 
 Returns: $output
-HTML mark-up for the selectbox and a hidden form element containing
-the current position.
+HTML mark-up for the selectbox and a hidden form element containing 
+the current position.   
 
 =item substitution_selector()
 
-Creates a combination of select box for choosing an item
-(student name, course ID or assignment note) to substitute,
+Creates a combination of select box for choosing an item 
+(student name, course ID or assignment note) to substitute, 
 and a corresponding size limit in the header used for printouts.
 
 Inputs: $num,$subst,$limit,$crstype
-where $num is the unique identifier, $subst is the current
+where $num is the unique identifier, $subst is the current 
 substitution (n,c or a, for name, course or note respectively,
 $limit is the current size limit (integer), and $crstype is
 course type - course or community.
 
 Returns: $output
-HTML mark-up for selectbox and textbox (separate table cells).
+HTML mark-up for selectbox and textbox (separate table cells).  
 
 =item change_clone()
 
@@ -272,6 +272,8 @@ sub handler {
                 gens => 'General community settings',
                 idnu => 'Community ID or number',
                 desc => 'Community Description',
+                ownr => 'Community Owner',
+                cown => 'Community Co-owners',
                 catg => 'Categorize community',
                 excc => 'Exclude from community catalog',
                 clon => 'Users allowed to clone community',
@@ -297,6 +299,8 @@ sub handler {
                 gens => 'General course settings',
                 idnu => 'Course ID or number',
                 desc => 'Course Description',
+                ownr => 'Course Owner',
+                cown => 'Course Co-owners',
                 catg => 'Categorize course',
                 excc => 'Exclude from course catalog',
                 clon => 'Users allowed to clone course',
@@ -316,6 +320,7 @@ sub handler {
                 seme => 'Send message to student when clicking Done on Tasks',
               );
     }
+    $lt{'lcrv'} = 'Required LON-CAPA version';
     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/courseprefs',
         text=>$lt{'conf'}});
     my $breadcrumbs =
@@ -331,6 +336,14 @@ sub handler {
         return OK;
     }
 
+    if ($phase eq 'releaseinfo') {
+        my $loncaparev = $env{'course.'.$cid.'.internal.releaserequired'};
+        if ($loncaparev) {
+            &display_loncaparev_constraints($r,$navmap,$loncaparev,$crstype);
+            return OK;
+        }
+    }
+
     my %values=&Apache::lonnet::dump('environment',$cdom,$cnum);
     my @prefs_order = ('courseinfo','localization','feedback','discussion',
                        'classlists','appearance','grading','printouts',
@@ -342,22 +355,25 @@ sub handler {
                      help => 'Course_Environment',
                      header => [{col1 => 'Setting',
                                  col2 => 'Value'}],
-                     ordered => ['description','courseid','categories',
-                                 'hidefromcat','cloners','externalsyllabus',
-                                 'url','rolenames'],
+                     ordered => ['owner','co-owners','loncaparev','description',
+                                 'courseid','categories','hidefromcat',
+                                 'externalsyllabus','cloners','url','rolenames'],
                      itemtext => {
-                                   description      => $lt{'desc'},
-                                   courseid         => $lt{'idnu'},
-                                   categories       => $lt{'catg'},
-                                   hidefromcat      => $lt{'excc'},
-                                   cloners          => $lt{'clon'}, 
-                                   externalsyllabus => 'URL of Syllabus',
-                                   url              => 'Top Level Map',
-                                   rolenames        => $lt{'rept'},
+                                   'owner'            => $lt{'ownr'},
+                                   'co-owners'        => $lt{'cown'},
+                                   'description'      => $lt{'desc'},
+                                   'courseid'         => $lt{'idnu'},
+                                   'categories'       => $lt{'catg'},
+                                   'hidefromcat'      => $lt{'excc'},
+                                   'cloners'          => $lt{'clon'}, 
+                                   'externalsyllabus' => 'URL of Syllabus',
+                                   'url'              => 'Top Level Map',
+                                   'rolenames'        => $lt{'rept'},
+                                   'loncaparev'       => $lt{'lcrv'},
                                  },
                     },
         'localization' =>
-                    { text => 'Language/TimeZone/Locale',
+                    { text => 'Language and Time Localization',
                       help => 'Course_Environment',
                       header => [{col1 => 'Setting',
                                   col2 => 'Value',}],
@@ -385,18 +401,16 @@ sub handler {
         'discussion' =>
                     { text => 'Discussion and Chat',
                       help => 'Course_Environment',
-                      header => [{col1 => 'Setting',
-                                  col2 => 'Value',}],
-                      ordered => ['plc.roles.denied','plc.users.denied',
-                                  'pch.roles.denied','pch.users.denied',
+                      ordered => ['pch.roles.denied','pch.users.denied',
+                                  'plc.roles.denied','plc.users.denied',
                                   'allow_limited_html_in_feedback',
                                   'allow_discussion_post_editing'],
                       itemtext => {
-                         'plc.roles.denied'             => 'No Resource Discussion',
-                         'plc.users.denied'             => 'No Resource Discussion',
-                         'pch.roles.denied'             => 'No Chat room use',
-                         'pch.users.denied'             => 'No Chat room use',
-                         allow_limited_html_in_feedback => 'Allow limited HTML in discussion posts',
+                         'pch.roles.denied'             => 'No Resource Discussion',
+                         'pch.users.denied'             => 'No Resource Discussion',
+                         'plc.roles.denied'             => 'No Chat room use',
+                         'plc.users.denied'             => 'No Chat room use',
+                         allow_limited_html_in_feedback => 'Allow limited HTML in discussion',
                          allow_discussion_post_editing  => 'Users can edit/delete own discussion posts',
                                   },
                     },
@@ -412,13 +426,13 @@ sub handler {
                      ordered => ['default_enrollment_start_date',
                                  'default_enrollment_end_date',
                                  'nothideprivileged','student_classlist_view',
-                                 'student_opt_in','student_classlist_portfiles'],
+                                 'student_classlist_opt_in','student_classlist_portfiles'],
                      itemtext => {
                          default_enrollment_start_date => 'Start date',
                          default_enrollment_end_date   => 'End date',
                          nothideprivileged             => $lt{'priv'},
                          student_classlist_view        => $lt{'stuv'},
-                         student_opt_in                => $lt{'stul'},
+                         student_classlist_opt_in      => $lt{'stul'},
                          student_classlist_portfiles   => 'Include link to accessible portfolio files',
                                   },
                    },
@@ -426,12 +440,12 @@ sub handler {
                    { text => 'Display of resources ',
                      help => 'Course_Environment',
                      header => [{col1 => 'Setting',
-                                 col2 => 'Value'}],
+                                 col2 => 'Value',}],
                      ordered => ['default_xml_style','pageseparators',
                                  'disable_receipt_display','texengine',
                                  'tthoptions'],
                       itemtext => {
-                          default_xml_style       => 'Default XML Style File',
+                          default_xml_style       => 'Default XML style file',
                           pageseparators          => 'Visibly Separate Items on Pages',
                           disable_receipt_display => 'Disable display of problem receipts',
                           texengine               => 'Force use of a specific math rendering engine',
@@ -460,13 +474,14 @@ sub handler {
                                 col2 => 'Value',}],
                     ordered => ['problem_stream_switch','suppress_tries',
                                 'default_paper_size','print_header_format',
-                                'disableexampointprint'],
+                                'disableexampointprint','canuse_pdfforms'],
                     itemtext => {
                         problem_stream_switch => 'Allow problems to be split over pages',
                         suppress_tries        => 'Suppress number of tries in printing',
                         default_paper_size    => 'Default paper type',
                         print_header_format   => 'Print header format',
                         disableexampointprint => 'Disable automatically printing point values on exams',
+                        canuse_pdfforms    => 'Users can print problems as PDF forms and upload later for grading',
                                 },
                   },
         'spreadsheet' =>
@@ -511,7 +526,7 @@ sub handler {
                                                  \@prefs_order,\%prefs,\%values,
                                                   $cnum,undef,\@allitems);
     } elsif ($phase eq 'display') {
-        my $jscript = &get_jscript($cdom,$phase,$crstype);
+        my $jscript = &get_jscript($cid,$cdom,$phase,$crstype);
         my @allitems = &get_allitems(%prefs);
         &Apache::lonconfigsettings::display_settings($r,$cdom,$phase,$context,
             \@prefs_order,\%prefs,\%values,undef,$jscript,\@allitems,$crstype);
@@ -546,7 +561,7 @@ sub print_config_box {
     my $output =
          '<table class="LC_nested_outer">
           <tr>
-           <th align="left" valign="middle"><span class="LC_font_larger">'.
+           <th align="left" valign="middle"><span class="LC_nobreak" style="font-size: larger;" >'.
            &mt($item->{text}).'&nbsp;'.
            &Apache::loncommon::help_open_topic($item->{'help'}).'</span></th>'."\n".
           '</tr>';
@@ -554,11 +569,15 @@ sub print_config_box {
         $output .= '
           <tr>
            <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
+            <table class="LC_nested">';
+        if (exists $item->{'header'}->[0]->{'col1'} || 
+            exists $item->{'header'}->[0]->{'col2'}) {
+			$output .= '          
+          	<tr class="LC_info_row">
               <td class="LC_left_item">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
-             </tr>';
+            </tr>';
+        }
         $rowtotal ++;
         if ($action eq 'feedback') {
             $output .= &print_feedback('top',$cdom,$settings,$ordered,$itemtext,\$rowtotal);
@@ -585,21 +604,29 @@ sub print_config_box {
           </tr>
           <tr>
            <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
-              <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
-             </tr>';
+            <table class="LC_nested">';
+            if (exists $item->{'header'}->[0]->{'col1'} || 
+            	exists $item->{'header'}->[0]->{'col2'}) {
+				$output .= '          
+				<tr class="LC_info_row">
+				  <td class="LC_left_item">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
+				  <td class="LC_right_item">'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
+				</tr>';
+            }
         }
     } else {
         $output .= '
           <tr>
            <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">
+            <table class="LC_nested">';
+        if (exists $item->{'header'}->[0]->{'col1'} || 
+            exists $item->{'header'}->[0]->{'col2'}) {
+			$output .= '          
+          	<tr class="LC_info_row">
               <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
               <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
-             </tr>';
+            </tr>';
+        }
     }
     $rowtotal ++;
     if ($action eq 'courseinfo') {
@@ -695,6 +722,7 @@ sub process_changes {
                     }
                 } else {
                     foreach my $entry (@ordered) {
+                        next if (($entry eq 'loncaparev') || ($entry eq 'owner'));
                         if ($entry eq 'cloners') {
                             if ($env{'form.cloners_all'}) {
                                 $newvalues{$entry} = '*';
@@ -703,8 +731,8 @@ sub process_changes {
                                 if (exists($env{'form.cloners_activate'})) {
                                     my $actnum = $env{'form.cloners_activate'};
                                     if ($actnum ne '') {
-                                        if ($env{'form.clonersdom_'.$actnum} ne '') {
-                                            my $clonedom = $env{'form.clonersdom_'.$actnum};
+                                        if ($env{'form.cloners_dom_'.$actnum} ne '') {
+                                            my $clonedom = $env{'form.cloners_dom_'.$actnum};
                                             if (&check_clone($clonedom,$disallowed) eq 'ok') {
                                                 $newvalues{$entry} = '*:'.$clonedom;
                                                 push(@clonedoms,$newvalues{$entry});
@@ -774,6 +802,80 @@ sub process_changes {
                                     }
                                 }
                             }
+                        } elsif ($entry eq 'co-owners') {
+                            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                            my $coowners = $values->{'internal.co-owners'};
+                            my @currcoown;
+                            if ($coowners) {
+                                @currcoown = split(',',$coowners);
+                            }
+                            if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                                my $autocoowner;
+                                if (($crstype eq 'Course') && 
+                                    ($values->{'internal.coursecode'})) {
+                                    my %domconf =
+                                        &Apache::lonnet::get_dom('configuration',['autoenroll'],$cdom);
+                                    if (ref($domconf{'autoenroll'}) eq 'HASH') {
+                                        $autocoowner = $domconf{'autoenroll'}{'co-owners'};
+                                    }
+                                }
+                                unless ($autocoowner) {
+                                    my @keepcoowners = &Apache::loncommon::get_env_multiple('form.coowners');
+                                    my @pendingcoowners = &Apache::loncommon::get_env_multiple('form.pendingcoowners');
+                                    my @invitecoowners =  &Apache::loncommon::get_env_multiple('form.invitecoowners');
+                                    if (@invitecoowners) {
+                                        push(@pendingcoowners,@invitecoowners);
+                                    }
+                                    $newvalues{'pendingco-owners'} = join(',',sort(@pendingcoowners));
+                                    $newvalues{'co-owners'} = join(',',sort(@keepcoowners));
+                                    if ($newvalues{'co-owners'} ne $values->{'internal.co-owners'}) {
+                                        $changes->{$entry}{'co-owners'} = $newvalues{'co-owners'};
+                                        push(@{$changes->{$entry}{'changed'}},'co-owners');
+                                    }
+                                    if ($newvalues{'pendingco-owners'} ne $values->{'internal.pendingco-owners'}) {
+                                        $changes->{$entry}{'pendingco-owners'} = $newvalues{'pendingco-owners'};
+                                        push(@{$changes->{$entry}{'changed'}},'pendingco-owners');
+                                    }
+                                }
+                            } else {
+                                my (@newpending,@newcoown);
+                                my $uname = $env{'user.name'};
+                                my $udom = $env{'user.domain'};
+                                my $pendingcoowners = $values->{'internal.pendingco-owners'};
+                                my @pendingcoown = split(',',$pendingcoowners);
+                                if ($env{'form.pending_coowoner'}) {
+                                    foreach my $item (@pendingcoown) {
+                                        unless ($item eq $uname.':'.$udom) {
+                                            push(@newpending,$item);
+                                        }
+                                    }
+                                    @newcoown = @currcoown;
+                                    if ($env{'form.pending_coowoner'} eq 'accept') {
+                                        unless (grep(/^\Q$uname\E:\Q$udom\E$/,@currcoown)) {
+                                            push(@newcoown,$uname.':'.$udom);
+                                        }
+                                    }
+                                } elsif ($env{'form.remove_coowoner'}) {
+                                    foreach my $item (@currcoown) {
+                                        unless ($item eq $uname.':'.$udom) {
+                                            push(@newcoown,$item);
+                                        }
+                                    }
+                                    if ($pendingcoowners ne '') {
+                                        @newpending = @pendingcoown;
+                                    }
+                                }
+                                $newvalues{'pendingco-owners'} = join(',',sort(@newpending));
+                                $newvalues{'co-owners'} = join(',',sort(@newcoown));
+                                if ($newvalues{'co-owners'} ne $values->{'internal.co-owners'}) {
+                                    $changes->{$entry}{'co-owners'} = $newvalues{'co-owners'};
+                                    push(@{$changes->{$entry}{'changed'}},'co-owners');
+                                }
+                                if ($newvalues{'pendingco-owners'} ne $values->{'internal.pendingco-owners'}) {
+                                    $changes->{$entry}{'pendingco-owners'} = $newvalues{'pendingco-owners'};
+                                    push(@{$changes->{$entry}{'changed'}},'pendingco-owners');
+                                }
+                            }
                         } elsif ($entry =~ /^default_enrollment_(start|end)_date$/) {
                             $newvalues{$entry}=&Apache::lonhtmlcommon::get_date_from_form($entry);
                         } elsif ($entry eq 'rolenames') {
@@ -942,8 +1044,8 @@ sub process_changes {
                                                 $hdr .= $env{'form.printfmthdr_limit_'.$i};
                                             }
                                             $hdr .= $env{'form.printfmthdr_sub_'.$i};
-                                        } elsif ($env{'form.printfmthdr_sub_'.$i} ne '') {
-                                            $hdr = $env{'form.printfmthdr_sub_'.$i};
+                                        } elsif ($env{'form.printfmthdr_text_'.$i} ne '') {
+                                            $hdr = $env{'form.printfmthdr_text_'.$i};
                                         }
                                         $newhdr[$env{'form.printfmthdr_pos_'.$i}] = $hdr;
                                     }
@@ -990,8 +1092,10 @@ sub process_changes {
                         } else {
                             $newvalues{$entry} = $env{'form.'.$entry};
                         }
-                        if ($newvalues{$entry} ne $values->{$entry}) {
-                            $changes->{$entry} = $newvalues{$entry};
+                        unless ($entry eq 'co-owners') {
+                            if ($newvalues{$entry} ne $values->{$entry}) {
+                                $changes->{$entry} = $newvalues{$entry};
+                            }
                         }
                     }
                 }
@@ -1067,16 +1171,16 @@ sub store_changes {
             $output .= '<h3>'.&mt($prefs->{$item}{'text'}).'</h3>';
             if (ref($changes->{$item}) eq 'HASH') {
                 if (keys(%{$changes->{$item}}) > 0) {
-                    $output .= &mt('Changes made:').'<ul>';
+                    $output .= &mt('Changes made:').'<ul style="list-style:none;">';
                     if ($item eq 'other') {
                         foreach my $key (sort(keys(%{$changes->{$item}}))) {
                             $storehash{$key} = $changes->{$item}{$key};
                             if ($changes->{$item}{$key} eq '') {
                                 push(@delkeys,$key);
-                                $output .= '<li>'.&mt('Deleted setting for [_1]','<i>'.$key.'</i>').'</li>';
+                                $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]','<i>'.$key.'</i>')).'</li>';
                             } else {
-                                $output .= '<li>'.&mt('[_1] set to [_2]','<i>'.$key.'</i>',
-                                           "'$storehash{$key}'").'</li>';
+                                $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]','<i>'.$key.'</i>',
+                                           "'$storehash{$key}'")).'</li>';
                             }
                         }
                     } else {
@@ -1108,13 +1212,16 @@ sub store_changes {
                                                 "'<b>".$newname."</b>'").'</li>';
                                     }
                                     if ($msg ne '') {
-                                        $output .= '<li>'.&mt($displayname).'<ul>'.$msg.'</ul></li>';
+                                        $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt($displayname)).'<ul class="LC_success">'.$msg.'</ul></li>';
                                     }
                                 } else {
                                     next if (!exists($changes->{$item}{$key}));
                                     my ($displayname,$text);
                                     $text = $prefs->{$item}->{'itemtext'}{$key};
-                                    my $displayval = $changes->{$item}{$key};
+                                    my $displayval;
+                                    unless ($key eq 'co-owners') {
+                                        $displayval = $changes->{$item}{$key};
+                                    }
                                     if ($item eq 'feedback') {
                                         if ($key =~ /^(question|policy|comment)(\.email)\.text$/) {
                                             $text = $prefs->{$item}->{'itemtext'}{$1.$2};
@@ -1168,33 +1275,91 @@ sub store_changes {
                                     if (defined($yesno{$key})) {
                                         $displayval = &mt('No');
                                         if ($changes->{$item}{$key} eq 'yes') {
-                                            $displayval = &mt('Yes');         
+                                            $displayval = &mt('Yes');                          
                                         }
                                     } elsif (($key =~ /^default_enrollment_(start|end)_date$/) && ($displayval)) {
                                         $displayval = &Apache::lonlocal::locallocaltime($displayval);
                                     } elsif ($key eq 'categories') {
                                         $displayval = $env{'form.categories_display'};
-                                    }  
-                                    if ($changes->{$item}{$key} eq '') {
+                                    } elsif ($key eq 'canuse_pdfforms') {
+                                        if ($changes->{$item}{$key} eq '1') {
+                                            $displayval = &mt('Yes');
+                                        } elsif ($changes->{$item}{$key} eq '0') {
+                                            $displayval = &mt('No');
+                                        }
+                                    }
+                                    if ($key eq 'co-owners') {
+                                        if (ref($changes->{$item}{$key}) eq 'HASH') {
+                                            if (ref($changes->{$item}{$key}{'changed'}) eq 'ARRAY') {
+                                                foreach my $type ('co-owners','pendingco-owners') {
+                                                    next unless (grep(/^\Q$type\E$/,@{$changes->{$item}{$key}{'changed'}}));
+                                                    if ($type eq 'pendingco-owners') {
+                                                        if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                                                            $displayname = &mt('Invited as co-owners, pending acceptance');
+                                                        }
+                                                    }
+                                                    if ($changes->{$item}{$key}{$type} eq '') {
+                                                        push(@delkeys,'internal.'.$type);
+                                                        if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                                                            $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]',
+                                                            '<i>'.$displayname.'</i>')).'</li>';
+                                                        }
+                                                    } elsif (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                                                        $displayval = join(', ',map { &Apache::loncommon::plainname(split(':',$_)); } split(',',$changes->{$item}{$key}{$type}));
+                                                        $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
+                                                                   '<i>'.$displayname.'</i>',
+                                                                   "'<b>$displayval</b>'")).'</li>';
+                                                    }
+                                                }
+                                            }
+                                            unless (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                                                if ($env{'form.pending_coowoner'} eq 'accept') {
+                                                        $displayval = &mt('on');
+                                                } elsif ($env{'form.pending_coowoner'} eq 'decline') {
+                                                        $displayval = '';
+                                                        $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Invitation to be co-owner declined')).'</li>';
+                                                } elsif ($env{'form.remove_coowoner'}) {
+                                                    $displayval = &mt('off');
+                                                }
+                                                if ($displayval) {
+                                                    $displayname = &mt('Your co-ownership status');
+                                                    $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
+                                                   '<i>'.$displayname.'</i>',
+                                                   "'<b>$displayval</b>'")).'</li>';
+                                                }
+                                            }
+                                        }
+                                    } elsif ($changes->{$item}{$key} eq '') {
                                         push(@delkeys,$key);
-                                        $output .= '<li>'.&mt('Deleted setting for [_1]',
-                                                   '<i>'.$displayname.'</i>').'</li>';
+                                        $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]',
+                                                   '<i>'.$displayname.'</i>')).'</li>';
                                     } else {
-                                        $output .= '<li>'.&mt('[_1] set to [_2]',
+                                        $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
                                                    '<i>'.$displayname.'</i>',
-                                                   "'<b>$displayval</b>'");
+                                                   "'<b>$displayval</b>'"));
                                         if ($key eq 'url') {
                                             my $bkuptime=time;
                                             $output .= ('&nbsp;'x2).&mt('(Previous URL backed up)').': '.
-                                            $storehash{'top level map backup '.$bkuptime} => $values->{$key};
+                                            $storehash{'top level map backup '.$bkuptime} = $values->{$key};
                                         }
                                         $output .= '</li>';
                                     }
-                                    $storehash{$key} = $changes->{$item}{$key};
+                                    if ($key eq 'co-owners') {
+                                        if (ref($changes->{$item}{$key}) eq 'HASH') {
+                                            if (ref($changes->{$item}{$key}{'changed'}) eq 'ARRAY') {
+                                                foreach my $type ('co-owners','pendingco-owners') {
+                                                    next unless (grep(/^\Q$type\E$/,@{$changes->{$item}{$key}{'changed'}}));
+                                                    $storehash{'internal.'.$type} = $changes->{$item}{$key}{$type};
+                                                }
+                                            }
+                                        }
+                                    } else {
+                                        $storehash{$key} = $changes->{$item}{$key};
+                                    }
                                 }
                                 if ($key eq 'cloners') {
                                     # Get existing cloners
-                                    my %clonenames =
+                                    my %clonenames = 
                                         &Apache::lonnet::dump('environment',$cdom,$cnum,'cloners');
                                     if ($clonenames{'cloners'} =~ /,/) {
                                         @oldcloner = split(/\s*\,\s*/,$clonenames{'cloners'});
@@ -1203,7 +1368,8 @@ sub store_changes {
                                     }
                                 }
                                 if (($key eq 'description') || ($key eq 'cloners') ||
-                                    ($key eq 'hidefromcat') || ($key eq 'categories')) {
+                                    ($key eq 'hidefromcat') || ($key eq 'categories') ||
+                                    ($key eq 'co-owners')) {
                                     push(@need_env_update,$key);
                                 }
                             }
@@ -1238,10 +1404,10 @@ sub store_changes {
                     $output .= &mt('An error occurred when removing course settings which are no longer in use.');
                 }
                 $output .= '</span>';
-            }
-        } else {
-            foreach my $key (@delkeys) {
-                &Apache::lonnet::delenv('course.'.$cdom.'_'.$cnum.'.'.$key);
+            } else {
+                foreach my $key (@delkeys) {
+                    &Apache::lonnet::delenv('course.'.$cdom.'_'.$cnum.'.'.$key);
+                }
             }
         }
         if (@need_env_update) {
@@ -1277,6 +1443,16 @@ sub update_env {
                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash->{$key}});
                     $crsinfo{$env{'request.course.id'}}{$key} = $storehash->{$key};
                     $count ++;
+                } elsif ($key eq 'co-owners') {
+                    if ($storehash->{'internal.co-owners'} ne '') {
+                        &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.internal.co-owners' => $storehash->{'internal.co-owners'}});
+                    }
+                    if ($storehash->{'internal.pendingco-owners'} ne '') {
+                        &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.internal.pendingco-owners' => $storehash->{'internal.pendingco-owners'}});
+                    }
+                    my @coowners = split(',',$storehash->{'internal.'.$key});
+                    $crsinfo{$env{'request.course.id'}}{'co-owners'} = \@coowners;
+                    $count ++;
                 }
             }
             if ($count) {
@@ -1379,9 +1555,9 @@ sub get_course {
 }
 
 sub get_jscript {
-    my ($cdom,$phase,$crstype) = @_;
+    my ($cid,$cdom,$phase,$crstype) = @_;
     my ($can_toggle_cat,$can_categorize) = &can_modify_catsettings($cdom,$crstype);
-    my ($jscript,$categorize_js);
+    my ($jscript,$categorize_js,$loncaparev_js);
     my $stubrowse_js = &Apache::loncommon::studentbrowser_javascript();
     my $browse_js = &Apache::loncommon::browser_and_searcher_javascript('parmset');
     my $cloners_js = &cloners_javascript($phase);
@@ -1398,9 +1574,23 @@ function catsbrowser() {
 }
 ENDSCRIPT
     }
+    my $loncaparev = $env{'course.'.$cid.'.internal.releaserequired'};
+    if ($loncaparev) {
+        $loncaparev_js = <<ENDSCRIPT;
+function loncaparevinfo() {
+    var lcrevwin = null;
+    var url = '/adm/courseprefs?phase=releaseinfo';
+    if (!lcrevwin || lcrevwin.closed) {
+        lcrevwin=window.open(url,'releasewin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
+    } else {
+        lcrevwin.focus();
+    }
+}
+ENDSCRIPT
+    }
     $jscript = '<script type="text/javascript" language="Javascript">'."\n".
-               $browse_js."\n".$categorize_js."\n".$cloners_js."\n".'</script>'.
-               "\n".$stubrowse_js."\n";
+               $browse_js."\n".$categorize_js."\n".$loncaparev_js."\n".
+               $cloners_js."\n".'</script>'."\n".$stubrowse_js."\n";
     return $jscript;
 }
 
@@ -1491,9 +1681,9 @@ sub print_courseinfo {
     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
         return;
     }
-    my ($cathash,$categoriesform);
+    my ($cathash,$categoriesform,$autocoowner);
     my %domconf = 
-        &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
+        &Apache::lonnet::get_dom('configuration',['coursecategories','autoenroll'],$cdom);
     if (ref($domconf{'coursecategories'}) eq 'HASH') {
         $cathash = $domconf{'coursecategories'}{'cats'};
         if (ref($cathash) eq 'HASH') {
@@ -1502,6 +1692,9 @@ sub print_courseinfo {
                                                 $settings->{'categories'},$crstype)."\n";
         }
     }
+    if (ref($domconf{'autoenroll'}) eq 'HASH') {
+        $autocoowner = $domconf{'autoenroll'}{'co-owners'};
+    }
     if (!defined($categoriesform)) {
         $categoriesform = &mt('No categories defined in this domain.');
     }
@@ -1530,6 +1723,12 @@ sub print_courseinfo {
                    input => 'textbox',
                    size  => '25',
                           },
+        'owner'        => {
+                   text => '<b>'.&mt($itemtext->{'owner'}).'</b>',
+                          },
+        'co-owners'    => {
+                   text => '<b>'.&mt($itemtext->{'co-owners'}).'</b>',
+                          },
         'courseid'     => { 
                    text => '<b>'.&mt($itemtext->{'courseid'}).'</b><br />'.'('.
                            &mt('internal, optional').')',
@@ -1538,7 +1737,7 @@ sub print_courseinfo {
                           },
         'cloners'      => { 
                    text => '<b>'.&mt($itemtext->{'cloners'}).'</b><br />'.
-                           &mt('Coordinators included automatically'),
+                           &mt('Owner and Coordinators included automatically'),
                    input => 'textbox',
                    size  => '40',
                          },
@@ -1565,6 +1764,9 @@ sub print_courseinfo {
                    input => 'textbox',
                    size  => '25',
                         },
+        'loncaparev' => {
+                   text => '<b>'.&mt($itemtext->{'loncaparev'}).'</b>',
+                        },
     );
     my $datatable;
     my $count = 0;
@@ -1610,7 +1812,6 @@ sub print_courseinfo {
                 if (@entries > 0) {
                     foreach my $entry (@entries) {
                         my ($uname,$udom) = split(/:/,$entry);
-                        my ($uname,$udom) = split(/:/,$entry);
                         if ($udom =~ /^$match_domain$/) {
                             unless (&Apache::lonnet::domain($udom)) {
                                 next;
@@ -1689,6 +1890,47 @@ sub print_courseinfo {
             $datatable .= '<input type="hidden" name="categories" value="'.$settings->{$item}.'" />'.
                           &Apache::lonhtmlcommon::textbox($item.'_display',$settings->{$item},
                                                           $items{$item}{size},$launcher);
+        } elsif ($item eq 'owner') {
+            my $owner = $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
+            if ($owner =~ /:/) {
+                my ($ownername,$ownerdom) = split(':',$owner); 
+                $owner = &Apache::loncommon::plainname($ownername,$ownerdom);
+            } elsif ($owner ne '') {
+                $owner = &Apache::loncommon::plainname($owner,$cdom);
+            } else {
+                $owner = &mt('None specified');
+            }
+            $datatable .= $owner;
+        } elsif ($item eq 'co-owners') {
+            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+            my $coowners = $env{'course.'.$env{'request.course.id'}.'.internal.co-owners'};
+            my @currcoown;
+            if ($coowners) {
+                @currcoown = split(',',$coowners);
+            }
+            if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
+                if (($crstype eq 'Course') && ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) && ($autocoowner)) {
+                    $datatable .= &show_autocoowners(@currcoown);
+                } else {
+                    $datatable .= &coowner_invitations($cnum,$cdom,@currcoown);
+                }
+            } else {
+                if (($crstype eq 'Course') && ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) && ($autocoowner)) {
+                    $datatable .= &show_autocoowners(@currcoown);
+                } else {
+                    $datatable .= &manage_coownership($cnum,$cdom,@currcoown);
+                }
+            }
+        } elsif ($item eq 'loncaparev') {
+            my $loncaparev = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
+            my $showreqd;
+            if ($loncaparev) {
+                $showreqd = &mt('[_1] or newer',$loncaparev).' <a href="javascript:loncaparevinfo()">'.
+                            &mt('Details').'</a>';
+            } else {
+                $showreqd = &mt('No specific version required');
+            }
+            $datatable .= $showreqd;
         } else {
             $datatable .= &Apache::lonhtmlcommon::textbox($item,$settings->{$item},$items{$item}{size});
         }
@@ -1846,6 +2088,577 @@ ENDSCRIPT
     return;
 }
 
+sub display_loncaparev_constraints {
+    my ($r,$navmap,$loncaparev,$crstype) = @_;
+    my $cid = $env{'request.course.id'};
+    my $cdom = $env{'course.'.$cid.'.domain'};
+    my $cnum = $env{'course.'.$cid.'.num'};
+    my $output;
+    my %lt = &Apache::lonlocal::texthash (
+                                           'all'           => 'all',
+                                           'section/group' =>  'section/group',
+                                           'user'          => 'user',
+                                         );
+    my (%checkparms,%checkresponsetypes,%checkcrstypes,%anonsurvey,%randomizetry);
+    &Apache::loncommon::build_release_hashes(\%checkparms,\%checkresponsetypes,
+                                              \%checkcrstypes,\%anonsurvey,\%randomizetry);
+    if (defined($checkcrstypes{$crstype})) {
+        $output .= '<h4>'.&mt('Course type: [_1] requires [_2] or newer',$crstype,
+                              $checkcrstypes{$crstype}).'</h4>';
+    }
+    my (%fromparam,%rowspan,%bymap,%byresource,@scopeorder,%toshow,%allmaps,
+        %byresponsetype,%bysubmission);
+    @scopeorder = ('all','section/group','user');
+    my $resourcedata = &Apache::lonparmset::readdata($cnum,$cdom);
+    if (ref($resourcedata) eq 'HASH') {
+        foreach my $key (keys(%{$resourcedata})) {
+            foreach my $item (keys(%checkparms)) {
+                if ($key =~ /(\Q$item\E)$/) {
+                     if (ref($checkparms{$item}) eq 'ARRAY') {
+                         my $value = $resourcedata->{$key};
+                         my ($middle,$scope,$which,$level,$map,$resource);
+                         if (grep(/^\Q$value\E$/,@{$checkparms{$item}})) {
+                             my $stdtype = &Apache::lonparmset::standard_parameter_types($item);
+                             my $stdname = &Apache::lonparmset::standard_parameter_names($item);
+                             my $valname = &get_param_description($stdtype,$value);
+                             my $rev = $Apache::lonnet::needsrelease{'parameter:'.$item.':'.$value};
+                             my $start = $cid.'.';
+                             if ($key =~ /^\Q$start\E(\[useropt\:($match_username\:$match_domain)\]\.)/) {
+                                 $middle = $1;
+                                 $which = $2;
+                                 $scope = 'user';
+                             } elsif ($key =~ /^\Q$start\E(\[(\w+)\]\.)/) {
+                                 $middle = $1;
+                                 $which = $2;
+                                 $scope = 'section/group';
+                             } else {
+                                 $scope = 'all';
+                             }
+                             my $what="$stdname=$valname";
+                             if ($key =~ /^\Q$start$middle\E\w+\.\Q$item\E$/) {
+                                 $level = 'general';
+                                 if ($scope eq 'all') {
+                                     if (ref($fromparam{$rev}{$scope}) eq 'ARRAY') {
+                                         unless(grep(/^\Q$what\E$/,@{$fromparam{$rev}{$scope}})) {
+                                             push(@{$fromparam{$rev}{$scope}},$what);
+                                         }
+                                     } else {
+                                         push(@{$fromparam{$rev}{$scope}},$what);
+                                     }
+                                 } else {
+                                     if (ref($fromparam{$rev}{$scope}{$which}) eq 'ARRAY') {
+                                         unless (grep(/^\Q$what\E$/,@{$fromparam{$rev}{$scope}{$which}})) {
+                                             push(@{$fromparam{$rev}{$scope}{$which}},$what);
+                                         }
+                                     } else {
+                                         push(@{$fromparam{$rev}{$scope}{$which}},$what);
+                                     }
+                                 }
+                                 $rowspan{$rev} ++;
+                             } elsif ($key =~ /^\Q$start$middle\E(.+)___\(all\).\w+\.\Q$item\E$/) {
+                                 $level = 'folder';
+                                 $map = $1;
+                                 if ($scope eq 'all') {
+                                     if (ref($bymap{$map}{$rev}{$scope}) eq 'ARRAY') {
+                                         unless(grep(/^\Q$what\E$/,@{$bymap{$map}{$rev}{$scope}})) {
+                                             push(@{$bymap{$map}{$rev}{$scope}},$what);
+                                         }
+                                     } else {
+                                         push(@{$bymap{$map}{$rev}{$scope}},$what);
+                                     }
+                                 } else {
+                                     if (ref($bymap{$map}{$rev}{$scope}{$which}) eq 'ARRAY') {
+                                         unless(grep(/^\Q$what\E$/,@{$bymap{$map}{$rev}{$scope}{$which}})) {
+                                             push(@{$bymap{$map}{$rev}{$scope}{$which}},$what);
+                                         }
+                                     } else {
+                                         push(@{$bymap{$map}{$rev}{$scope}{$which}},$what);
+                                     }
+                                 }
+                             } elsif ($key =~ /^\Q$start$middle\E(.+)\.\w+\.\Q$item\E$/) {
+                                 $level = 'resource';
+                                 $resource = $1;
+                                 if ($scope eq 'all') {
+                                     if (ref($byresource{$resource}{$rev}{$scope}) eq 'ARRAY') {
+                                         unless(grep(/^\Q$what\E$/,@{$byresource{$resource}{$rev}{$scope}})) {
+                                             push(@{$byresource{$resource}{$rev}{$scope}},$what);
+                                         }
+                                     } else {
+                                         push(@{$byresource{$resource}{$rev}{$scope}},$what);
+                                     }
+                                 } else {
+                                     if (ref($byresource{$resource}{$rev}{$scope}{$which}) eq 'ARRAY') {
+                                         unless (grep(/^\Q$what\E$/,@{$byresource{$resource}{$rev}{$scope}{$which}})) {
+                                             push(@{$byresource{$resource}{$rev}{$scope}{$which}},$what);
+                                         }
+                                     } else {
+                                         push(@{$byresource{$resource}{$rev}{$scope}{$which}},$what);
+                                     }
+                                 }
+                             }
+                        }
+                    }
+                }
+            }
+        }
+        if (keys(%fromparam)) {
+            $output .= '<h4>'.&mt('Requirements from general settings').'</h4>'.
+                       &Apache::loncommon::start_data_table().
+                       &Apache::loncommon::start_data_table_header_row().
+                       '<th>'.&mt('Release').'</th><th>'.&mt('Scope').'</th>'.
+                       '<th>'.&mt('Extent').'</th><th>'.&mt('Setting').'</th>'.
+                       &Apache::loncommon::end_data_table_header_row();
+            foreach my $rev (keys(%fromparam)) {
+                $output .=  &Apache::loncommon::start_data_table_row().
+                            '<td rowspan="'.$rowspan{$rev}.'">'.$rev.'</td>';
+                my $newrow;
+                foreach my $scope (@scopeorder) {
+                    if (ref($fromparam{$rev}{$scope}) eq 'HASH') {
+                         if ($newrow) {
+                             $output .= &Apache::loncommon::continue_data_table_row();
+                         }
+                         $output .= '<td>'.$lt{$scope}.'</td>';
+                         foreach my $which (sort(keys(%{$fromparam{$rev}{$scope}}))) {
+                             $output .= '<td>'.$which.'</td><td>'.
+                                        join('<br />',@{$fromparam{$rev}{$scope}{$which}}).'</td>';
+                         }
+                         $output .= &Apache::loncommon::end_data_table_row();
+                         $newrow = 1;
+                    } elsif (ref($fromparam{$rev}{$scope}) eq 'ARRAY') {
+                         if ($newrow) {
+                             $output .= &Apache::loncommon::continue_data_table_row();
+                         }
+                         $output .= '<td>'.$lt{$scope}.'</td><td>&nbsp;</td><td>'.
+                                    join('<br />',@{$fromparam{$rev}{$scope}}).'</td>'.
+                                    &Apache::loncommon::end_data_table_row();
+                         $newrow = 1;
+                    }
+                }
+            }
+            $output .= &Apache::loncommon::end_data_table().'<br />';
+        }
+    }
+
+    if (defined($navmap)) {
+        my %anonsubms=&Apache::lonnet::dump('nohist_anonsurveys',$cdom,$cnum);
+        my $rev_anonsurv=$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'};
+        my %randtrysubms=&Apache::lonnet::dump('nohist_randomizetry',$cdom,$cnum);
+        my $rev_randtry=$Apache::lonnet::needsrelease{'parameter:type:randomizetry'};
+        my $stdtype=&Apache::lonparmset::standard_parameter_types('type');
+        my $stdname=&Apache::lonparmset::standard_parameter_names('type');
+        my $valanon=&get_param_description($stdtype,'anonsurvey');
+        my $valrandtry=&get_param_description($stdtype,'randomizetry');
+
+        foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
+            my @parts = @{$res->parts()};
+            my $symb = $res->symb();
+            my $enclosing_map = &Apache::lonnet::declutter($res->enclosing_map_src());
+            foreach my $part (@parts) {
+                if (exists($anonsubms{$symb."\0".$part})) {
+                    my $rev = $rev_anonsurv;
+                    my $what="$stdname=$valanon";
+                    if (ref($bysubmission{$symb}{$rev}) eq 'ARRAY') {
+                        unless (grep(/^\Q$what\E/,@{$bysubmission{$symb}{$rev}})) {
+                            push(@{$bysubmission{$symb}{$rev}},$what);
+                        }
+                    } else {
+                        push(@{$bysubmission{$symb}{$rev}},$what);
+                    }
+                    $allmaps{$enclosing_map} = 1;
+                }
+                if (exists($randtrysubms{$symb."\0".$part})) {
+                    my $rev = $rev_randtry;
+                    my $what="$stdname=$valrandtry";
+                    if (ref($bysubmission{$symb}{$rev}) eq 'ARRAY') {
+                        unless (grep(/^\Q$what\E/,@{$bysubmission{$symb}{$rev}})) {
+                            push(@{$bysubmission{$symb}{$rev}},$what);
+                        }
+                    } else {
+                        push(@{$bysubmission{$symb}{$rev}},$what);
+                    }
+                    $allmaps{$enclosing_map} = 1;
+                }
+            }
+            my %responses = $res->responseTypes();
+            foreach my $key (keys(%responses)) {
+                if (exists($checkresponsetypes{$key})) {
+                    push(@{$byresponsetype{$symb}{$checkresponsetypes{$key}}},$key);
+                    $allmaps{$enclosing_map} = 1;
+                }
+            }
+        }
+        if (keys(%byresource) > 0) {
+            foreach my $symb (keys(%byresource)) {
+                my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+                $allmaps{$map} = 1;
+            }
+        }
+        if (keys(%bymap) > 0) {
+            foreach my $map (keys(%bymap)) {
+                $allmaps{$map} = 1;
+            }
+        }
+        foreach my $map (keys(%allmaps)) {
+            my $mapres = $navmap->getResourceByUrl($map);
+            my $mapsymb = $mapres->symb();
+            $toshow{$mapsymb} = 1;
+            if (ref($mapres)) {
+                my $pcslist = $mapres->map_hierarchy();
+                if ($pcslist ne '') {
+                    foreach my $pc (split(/,/,$pcslist)) {
+                        my $res = $navmap->getByMapPc($pc);
+                        if (ref($res)) {
+                            my $symb = $res->symb();
+                            unless ($symb eq '______') {
+                                $toshow{$symb} = 1;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    my $mapres_header = '<h4>'.
+                        &mt('Requirements for specific folders or resources').
+                        '</h4>';
+    if ((keys(%toshow) > 0) || (keys(%byresource) > 0) ||
+        (keys(%bysubmission) > 0) || (keys(%byresponsetype))) {
+        $output .= $mapres_header;
+    }
+    my $top_header = '<h3>'.&mt('LON-CAPA version dependencies').'</h3>';
+    my $title = 'Version Constraints';
+    my $start_page =
+        &Apache::loncommon::start_page($title,undef,{'only_body' => 1,});
+    $r->print($start_page.$top_header);
+    if ($output) {
+        $r->print($output);
+        if (defined($navmap)) {
+            &show_contents_view($r,$navmap,$cid,\%toshow,\%bymap,\%byresource,\%bysubmission,
+                                \%byresponsetype,\@scopeorder,\%lt);
+        }
+        $r->print('<br /><br />');
+    } else {
+        $r->print('<p class="LC_info">'.
+                  &mt('No version requirements from resource content or settings.').
+                  '</p>');
+    }
+    $r->print(&Apache::loncommon::end_page());
+    return;
+}
+
+sub show_contents_view {
+    my ($r,$navmap,$cid,$toshow,$bymap,$byresource,$bysubmission,$byresponsetype,
+        $scopeorder,$lt) = @_;
+    if ((keys(%{$toshow}) > 0) || (keys(%{$byresource}) > 0) ||
+        (keys(%{$bysubmission}) > 0) || (keys(%{$byresponsetype}) > 0)) {
+        my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");
+        my $whitespace = '<img src="'.$location.'/whitespace_21.gif" alt="" />';
+        my $icon =  '<img src="'.$location.'/navmap.folder.open.gif" alt="" />';
+        my $topmap = $env{'course.'.$cid.'.url'};
+        $r->print(&Apache::loncommon::start_data_table().
+                  &Apache::loncommon::start_data_table_header_row().
+                  '<th>'.&mt('Location').'</th><th>'.&mt('Release').'</th>'.
+                  '<th>'.&mt('Attribute/Setting').'</th>'.
+                  &Apache::loncommon::end_data_table_header_row().
+                  &Apache::loncommon::start_data_table_row().
+                  '<td>&nbsp;'.$icon.'&nbsp;'.&mt('Main Course Documents').'</td>');
+                  &releases_by_map($r,$bymap,$topmap,$scopeorder,$lt);
+                  $r->print(&Apache::loncommon::end_data_table_row());
+        my $it=$navmap->getIterator(undef,undef,undef,1,1,undef);
+        my $curRes;
+        my $depth = 0;
+        my %parent = ();
+        my $startcount = 5;
+        my $lastcontainer = $startcount;
+        while ($curRes = $it->next()) {
+            if ($curRes == $it->BEGIN_MAP()) {
+                $depth++;
+                $parent{$depth}= $lastcontainer;
+            }
+            if ($curRes == $it->END_MAP()) {
+                $depth--;
+                $lastcontainer = $parent{$depth};
+            }
+            my $indent;
+            for (my $i=0; $i<$depth; $i++) {
+                $indent.= $whitespace;
+            }
+            if (ref($curRes)) {
+                my $symb = $curRes->symb();
+                my $ressymb = $symb;
+                my $srcf = $curRes->src();
+                my $title = &Apache::lonnet::gettitle($srcf);
+                if (($curRes->is_sequence()) || ($curRes->is_page())) {
+                    next unless($toshow->{$symb});
+                    my ($parent,$ind,$url) = &Apache::lonnet::decode_symb($symb);
+                    $icon =  '<img src="'.$location.'/navmap.folder.open.gif" alt="" />';
+                    if ($curRes->is_page()) {
+                        $icon = '<img src="'.$location.'/navmap.page.open.gif" alt="" />';
+                    }
+                    my $rowspan = 1;
+                    if (ref($bymap->{$url}) eq 'HASH') {
+                        $rowspan = scalar(keys(%{$bymap->{$url}}));
+                    }
+                    $r->print(&Apache::loncommon::start_data_table_row().
+                              '<td rowspan="'.$rowspan.'">'.$indent.$icon.'&nbsp;'.$title.'</td>');
+                    &releases_by_map($r,$bymap,$url,$scopeorder);
+                    $r->print(&Apache::loncommon::end_data_table_row());
+                } else {
+                    my $rowspan;
+                    if (ref($byresource->{$symb}) eq 'HASH') {
+                        $rowspan += scalar(keys(%{$byresource->{$symb}}));
+                    }
+                    if (ref($bysubmission->{$symb}) eq 'HASH') {
+                        $rowspan += scalar(keys(%{$bysubmission->{$symb}}));
+                    }
+                    if (ref($byresponsetype->{$symb}) eq 'HASH') {
+                        $rowspan += scalar(keys(%{$byresponsetype->{$symb}}));
+                    }
+                    next if (!$rowspan);
+                    $icon = '<img class="LC_contentImage" src="'.$location.'/problem.gif" alt="'.
+                            &mt('Problem').'" />';
+                    $r->print(&Apache::loncommon::start_data_table_row().
+                              '<td rowspan="'.$rowspan.'">'.$indent.$icon.'&nbsp;'.$title.'</td>');
+                    my $newrow;
+                    if (ref($byresource->{$symb}) eq 'HASH') {
+                        foreach my $rev (sort(keys(%{$byresource->{$symb}}))) {
+                            if ($newrow) {
+                                $r->print(&Apache::loncommon::continue_data_table_row());
+                            }
+                            $r->print('<td valign="middle">'.$rev.'</td><td>');
+                            if (ref($byresource->{$symb}{$rev}) eq 'HASH') {
+                                $r->print('<table border="0">');
+                                foreach my $scope (@{$scopeorder}) {
+                                    if (ref($byresource->{$symb}{$rev}{$scope}) eq 'HASH') {
+                                        $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>');
+                                        foreach my $which (sort(keys(%{$byresource->{$symb}{$rev}{$scope}}))) {
+                                            $r->print('<td>'.$which.'</td><td>'.
+                                                join('<br />',@{$byresource->{$symb}{$rev}{$scope}{$which}}).
+                                                      '</td>');
+                                        }
+                                        $r->print('</tr>');
+                                    } elsif (ref($byresource->{$symb}{$rev}{$scope}) eq 'ARRAY') {
+                                        $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>'.
+                                                  '<td>&nbsp;</td><td>'.
+                                                  join('<br />',@{$byresource->{$symb}{$rev}{$scope}}).'</td></tr>');
+                                    }
+                                }
+                                $r->print('</table>');
+                            }
+                            $r->print('</td>');
+                            $r->print(&Apache::loncommon::end_data_table_row());
+                            $newrow = 1;
+                        }
+                    }
+                    if (ref($bysubmission->{$symb}) eq 'HASH') {
+                        foreach my $rev (sort(keys(%{$bysubmission->{$symb}}))) {
+                            if ($newrow) {
+                                $r->print(&Apache::loncommon::continue_data_table_row());
+                            }
+                            $r->print('<td>'.$rev.'</td><td>');
+                            if (ref($bysubmission->{$symb}{$rev}) eq 'ARRAY') {
+                                $r->print(&mt('Submissions to: ').' '.
+                                         join(', ',@{$bysubmission->{$symb}{$rev}}));
+                            }
+                            $r->print('</td>');
+                            $r->print(&Apache::loncommon::end_data_table_row());
+                            $newrow = 1;
+                        }
+                    }
+                    if (ref($byresponsetype->{$symb}) eq 'HASH') {
+                        foreach my $rev (sort(keys(%{$byresponsetype->{$symb}}))) {
+                            if ($newrow) {
+                                $r->print(&Apache::loncommon::continue_data_table_row());
+                            }
+                            $r->print('<td>'.$rev.'</td><td>');
+                            if (ref($byresponsetype->{$symb}{$rev}) eq 'ARRAY') {
+                                $r->print(&mt('Response Type(s): ').' '.
+                                         join('<br />',@{$byresponsetype->{$symb}{$rev}}));
+                            }
+                            $r->print('</td>');
+                        }
+                        $r->print(&Apache::loncommon::end_data_table_row());
+                    }
+                }
+            }
+        }
+        $r->print(&Apache::loncommon::end_data_table());
+    }
+}
+
+sub releases_by_map {
+    my ($r,$bymap,$url,$scopeorder,$lt) = @_;
+    return unless ((ref($bymap) eq 'HASH') && (ref($scopeorder) eq 'ARRAY'));
+    if (ref($bymap->{$url}) eq 'HASH') {
+        foreach my $rev (sort(keys(%{$bymap->{$url}}))) {
+            $r->print('<td valign="middle">'.$rev.'</td><td>');
+            if (ref($bymap->{$url}{$rev}) eq 'HASH') {
+                $r->print('<table border="0">');
+                foreach my $scope (@{$scopeorder}) {
+                    if (ref($bymap->{$url}{$rev}{$scope}) eq 'HASH') {
+                        $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>');
+                        foreach my $which (sort(keys(%{$bymap->{$url}{$rev}{$scope}}))) {
+                            $r->print('<td>'.$which.'</td><td>'.
+                                      join('<br />',@{$bymap->{$url}{$rev}{$scope}{$which}}).
+                                      '</td>');
+                        }
+                        $r->print('</tr>');
+                    } elsif (ref($bymap->{$url}{$rev}{$scope}) eq 'ARRAY') {
+                        $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).
+                                  '</td><td>&nbsp;</td><td>'.
+                                  join('<br />',@{$bymap->{$url}{$rev}{$scope}}).'</td></tr>');
+                    }
+                }
+                $r->print('</table>');
+            }
+            $r->print('</td>');
+        }
+    } else {
+        $r->print('<td colspan="2">&nbsp;</td>');
+    }
+    return;
+}
+
+sub get_param_description {
+    my ($stdtype,$value) = @_;
+    my $name = $value;
+    my $paramstrings = &Apache::lonparmset::standard_string_options($stdtype);
+    unless (ref($paramstrings) eq 'ARRAY') {
+        return $name;
+    }
+    foreach my $possibilities (@{$paramstrings}) {
+        next unless (ref($possibilities) eq 'ARRAY');
+        my ($thing, $description) = @{ $possibilities };
+        if ($thing eq $value) {
+            $name = $description;
+            last;
+        }
+    }
+    return $name;
+}
+
+sub show_autocoowners {
+    my (@currcoown) = @_;
+    my $output = '<i>'.&mt('Co-ownership is set automatically when a Course Coordinator role is assigned to official course personnel (from institutional data).').'</i>';
+    if (@currcoown > 0) { 
+        $output .= '<br />'.&mt('Current co-owners are:').'&nbsp;'.
+                   join(', ',map { &Apache::loncommon::plainname(split(':',$_)); } (@currcoown));
+    } else {
+        $output .= '<br />'.&mt('Currently no co-owners.');
+    } 
+    return $output;
+}
+
+sub coowner_invitations {
+    my ($cnum,$cdom,@currcoown) = @_;
+    my ($output,@pendingcoown,@othercoords);
+    my $pendingcoowners =
+        $env{'course.'.$env{'request.course.id'}.'.internal.pendingco-owners'};
+    if ($pendingcoowners) {
+        @pendingcoown = split(',',$pendingcoowners);
+    }
+    my $ccrole = 'cc';
+    my %ccroles = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,[$ccrole]);
+    foreach my $key (sort(keys(%ccroles))) {
+        my ($ccname,$ccdom,$role) = split(':',$key);
+        next if ($key eq $env{'user.name'}.':'.$env{'user.domain'}.':'.$ccrole);
+        unless (grep(/^\Q$ccname\E:\Q$ccdom\E$/,@currcoown,@pendingcoown)) {
+            push(@othercoords,$ccname.':'.$ccdom);
+        }
+    }
+    my $coowner_rows = @currcoown + @pendingcoown + @othercoords;
+    if ($coowner_rows) {
+        $output .= &Apache::loncommon::start_data_table();
+        if (@currcoown) {
+            $output .= &Apache::loncommon::start_data_table_row().
+                          '<td><i>'.&mt('Current co-owners').'</i></td><td>';
+            foreach my $person (@currcoown) {
+                my ($co_uname,$co_dom) = split(':',$person);
+                $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="coowners" checked="checked" value="'.$person.'" />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
+            }
+            $output .= '</td>'.
+                          &Apache::loncommon::end_data_table_row();
+        }
+        if ($pendingcoowners) {
+            $output .= &Apache::loncommon::start_data_table_row().
+                          '<td><i>'.&mt('Invited as co-owners [_1](agreement pending)','<br />').'</i></td><td>';
+            foreach my $person (@pendingcoown) {
+                my ($co_uname,$co_dom) = split(':',$person);
+                $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="pendingcoowners" checked="checked" value="'.$person.'" />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
+            }
+            $output .= '</td>'.
+                       &Apache::loncommon::end_data_table_row();
+        }
+        if (@othercoords) {
+            $output .= &Apache::loncommon::start_data_table_row().
+                          '<td><i>'.&mt('Invite other Coordinators [_1]to become co-owners','<br />').'</i></td><td>';
+            foreach my $person (@othercoords) {
+                my ($co_uname,$co_dom) = split(':',$person);
+                $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="invitecoowners" value="'.$person.'" />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
+            }
+            $output .= '</td>'.
+                          &Apache::loncommon::end_data_table_row();
+        }
+        $output .= &Apache::loncommon::end_data_table();
+    } else {
+        $output = &mt('There are no coordinators to select as co-owners');
+    }
+    return $output;
+}
+
+sub manage_coownership  {
+    my ($cnum,$cdom,@currcoown) = @_;
+    my (@pendingcoown);
+    my $pendingcoowners =
+        $env{'course.'.$env{'request.course.id'}.'.internal.pendingco-owners'};
+    if ($pendingcoowners) {
+        @pendingcoown = split(',',$pendingcoowners);
+    }
+    my ($is_coowner,$is_pending,$output);
+    my $uname = $env{'user.name'};
+    my $udom = $env{'user.domain'};
+    if (grep(/^\Q$uname\E:\Q$udom\E$/,@currcoown)) {
+        $is_coowner = 1;
+    }
+    if (grep(/^\Q$uname\E:\Q$udom\E$/,@pendingcoown)) {
+        $is_pending = 1;
+    }
+    if (@currcoown && ($is_coowner || $is_pending)) {
+        $output = &Apache::loncommon::start_data_table();
+    }
+    if (@currcoown) {
+        if ($is_coowner || $is_pending) { 
+            $output .= &Apache::loncommon::start_data_table().
+                       &Apache::loncommon::start_data_table_row().'<td>';
+        }
+        $output .= &mt('Current co-owners are:').'&nbsp;'.
+                   join(', ', map { &Apache::loncommon::plainname(split(':',$_)); } (@currcoown));  
+        if ($is_coowner || $is_pending) {
+            $output .= '</td>'.&Apache::loncommon::end_data_table_row(); 
+        }
+    }
+    if ($is_coowner || $is_pending) {
+        if (@currcoown) { 
+            $output .= &Apache::loncommon::start_data_table_row().'<td>';
+        }
+        $output .= '<span class="LC_nobreak">';
+        if ($is_coowner) {
+            $output .= &mt('You are currently a co-owner:').'&nbsp;<label><input type="checkbox" name="remove_coowoner" value="'.$uname.':'.$udom.'" />'.&mt('Discontinue?').'</label>';
+        } else {
+            $output .= &mt('The course owner has invited you to become a co-owner:').'&nbsp;<label><input type="radio" name="pending_coowoner" value="accept" />'.&mt('Accept?').'</label>'.('&nbsp;'x2).
+                       '<label><input type="radio" name=pending_coowoner" value="decline" />'.&mt('Decline?').'</label>';
+        }
+        $output .= '</span>';
+        if (@currcoown) {
+            $output .= '</td>'.&Apache::loncommon::end_data_table_row();
+        }
+    }
+    if (@currcoown && ($is_coowner || $is_pending)) {
+        $output .= &Apache::loncommon::end_data_table();
+    }
+    return $output;
+}
+
 sub print_localization {
     my ($cdom,$settings,$ordered,$itemtext,$rowtotal) = @_;
     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
@@ -1853,16 +2666,16 @@ sub print_localization {
     }
     my %items = (
         languages => {
-                        text => &mt($itemtext->{'languages'}).'<br />'.
-                                &mt("(will override user's preference)"),
+                        text => '<b>'.&mt($itemtext->{'languages'}).'</b><br />'.
+                                &mt("(overrides individual user preference)"),
                         input => 'selectbox',
                      }, 
         timezone => {
-                        text  => &mt($itemtext->{'timezone'}),
+                        text  => '<b>'.&mt($itemtext->{'timezone'}).'</b>',
                         input => 'selectbox',
                     },
         datelocale  => { 
-                         text => &mt($itemtext->{'datelocale'}),
+                         text => '<b>'.&mt($itemtext->{'datelocale'}).'</b>',
                          input => 'selectbox',
                        },
     );
@@ -1980,14 +2793,14 @@ sub print_feedback {
 
     foreach my $item (@{$ordered}) {
         $count ++;
-        $datatable .= &item_table_row_start($items{$item}{text},$count);
+       	$datatable .= &item_table_row_start($items{$item}{text},$count);
         if ($position eq 'top') {
             my $includeempty = 0;
             $datatable .= &user_table($cdom,$item,\@sections,
                                       $settings->{$item},\%lt);
         } else {
             $datatable .= &Apache::lonhtmlcommon::textbox($item.'.text',
-                              $settings->{$item.'.text'},$items{$item}{size});  
+                              $settings->{$item.'.text'},$items{$item}{size});
         }
         $datatable .= &item_table_row_end();
     }
@@ -2251,7 +3064,7 @@ sub role_checkboxes {
                 $output .= '<tr>';
             }
         }
-        $output .= '<td align="left"><span class="LC_nobreak"><label><input type="checkbox" name='.
+        $output .= '<td align="left"><span class="LC_nobreak"><label><input type="checkbox" name="'.
                    $item.'" value="'.$role.'"'.$checked.'/>&nbsp;'.
                    $plrole.'</label></span></td>';
         if ($showsections) {
@@ -2283,7 +3096,7 @@ sub role_checkboxes {
                     $output .= '<tr>';
                 }
             }
-            $output .= '<td><span class="LC_nobreak"><label><input type="checkbox" name='.
+            $output .= '<td><span class="LC_nobreak"><label><input type="checkbox" name="'.
                        $item.'" value="'.$value.'"'.$checked.' />&nbsp;'.$rolename.
                        '</label></span></td>';
             if ($showsections) {
@@ -2319,7 +3132,8 @@ sub print_classlists {
         @ordered = ('nothideprivileged');
     } else {
         @ordered = ('student_classlist_view',
-                    'student_opt_in','student_classlist_portfiles');
+                    'student_classlist_opt_in',
+                     'student_classlist_portfiles');
     }
     my %lt;
 
@@ -2358,8 +3172,8 @@ sub print_classlists {
                    options => \%lt,
                    order => ['disabled','all','section'],
                  },
-        'student_opt_in' => {
-                   text => '<b>'.&mt($itemtext->{'student_opt_in'}).'</b>',
+        'student_classlist_opt_in' => {
+                   text => '<b>'.&mt($itemtext->{'student_classlist_opt_in'}).'</b>',
                    input => 'radio',
                  },
 
@@ -2444,7 +3258,7 @@ sub print_grading {
                  },
         'rndseed' => {
                    text => '<b>'.&mt($itemtext->{'rndseed'}).'</b>'.
-                           '<span class="LC_error">'.'<br />'.
+                           '<span class="LC_warning">'.'<br />'.
                            &mt('Modifying this will make problems have different numbers and answers!').
                            '</span>',
                    input => 'selectbox',
@@ -2516,6 +3330,16 @@ sub print_printouts {
             text => '<b>'.&mt($itemtext->{'disableexampointprint'}).'</b>',
             input => 'radio',
                                  },
+        canuse_pdfforms => {
+            text  => '<b>'.&mt($itemtext->{'canuse_pdfforms'}).'</b>',
+            input => 'selectbox',
+            options => {
+                         1    => &mt('Yes'),
+                         0    => &mt('No'),
+                       },
+            order => ['1','0'],
+            nullval => 'None specified - use domain default',
+                    }
     );
     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 }
@@ -2646,15 +3470,13 @@ sub get_other_items {
 }
 
 sub item_table_row_start {
-    my ($text,$count) = @_;
+    my ($text,$count,$add_class) = @_;
     my $output;
-    if ($count%2) {
-        $output .= '<tr class="LC_odd_row">';
-    } else {
-        $output .= '<tr>';
-    }
+	my $css_class = ($count % 2) ? 'LC_odd_row' : 'LC_even_row';
+	$css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
+	$output .= '<tr class="'.$css_class.'">'."\n";;
     $output .= '<td class="LC_left_item">'.$text.
-               '</td><td class="LC_right_item" align="right">';
+               '</td><td class="LC_right_item">';
     return $output;
 }
 
@@ -2987,7 +3809,7 @@ sub substitution_selector {
                     a => 'assignment note',
              );
     my $output .= &mt('Substitution').'<br />'.
-                  '<select name=""printfmthdr_sub__'.$num.'">';
+                  '<select name="printfmthdr_sub_'.$num.'">';
     if ($subst eq '') {
         $output .= '<option value="" selected="selected"> </option>';
     }