--- loncom/interface/loncommon.pm	2010/01/19 16:10:11	1.692.4.22
+++ loncom/interface/loncommon.pm	2010/04/14 14:14:58	1.692.4.35
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.692.4.22 2010/01/19 16:10:11 raeburn Exp $
+# $Id: loncommon.pm,v 1.692.4.35 2010/04/14 14:14:58 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -515,6 +515,10 @@ sub coursebrowser_javascript {
             else {
                 if (formname == 'portform') {
                     url += '&setroles='+extra_element;
+                } else {
+                    if (formname == 'rules') {
+                        url += '&fixeddom='+extra_element;
+                    }
                 }
             }     
         }
@@ -1878,7 +1882,7 @@ sub select_form {
         $selectform.=
 	    '<option value="'.&HTML::Entities::encode($key,'"<>&').'" '.
             ($key eq $def ? 'selected="selected" ' : '').
-                ">".&mt($hash{$key})."</option>\n";
+                ">".$hash{$key}."</option>\n";
     }
     $selectform.="</select>";
     return $selectform;
@@ -1943,7 +1947,7 @@ sub select_level_form {
 
 =pod
 
-=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange)
+=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.  
@@ -1956,15 +1960,22 @@ If the $showdomdesc flag is set, the dom
 
 The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
 
+The optional $incdoms is a reference to an array of domains which will be the only available options.
+
 =cut
 
 #-------------------------------------------
 sub select_dom_form {
-    my ($defdom,$name,$includeempty,$showdomdesc,$onchange) = @_;
+    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
     if ($onchange) {
         $onchange = ' onchange="'.$onchange.'"';
     }
-    my @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
+    my @domains;
+    if (ref($incdoms) eq 'ARRAY') {
+        @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
+    } else {
+        @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
+    }
     if ($includeempty) { @domains=('',@domains); }
     my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
     foreach my $dom (@domains) {
@@ -4183,16 +4194,39 @@ sub get_domainconf {
     if (defined($cached)) { return %{$result}; }
 
     my %domconfig = &Apache::lonnet::get_dom('configuration',
-					     ['login','rolecolors'],$udom);
+					     ['login','rolecolors','loginvia'],$udom);
     my (%designhash,%legacy);
     if (keys(%domconfig) > 0) {
         if (ref($domconfig{'login'}) eq 'HASH') {
             if (keys(%{$domconfig{'login'}})) {
                 foreach my $key (keys(%{$domconfig{'login'}})) {
                     if (ref($domconfig{'login'}{$key}) eq 'HASH') {
-                        foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
-                            $designhash{$udom.'.login.'.$key.'_'.$img} =
-                                $domconfig{'login'}{$key}{$img};
+                        if ($key eq 'loginvia') {
+                            if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
+                                my @ids = &Apache::lonnet::current_machine_ids();
+                                foreach my $hostname (@ids) {
+                                    if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
+                                        if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
+                                            my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
+                                            $designhash{$udom.'.login.loginvia'} = $server;
+                                            if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
+
+                                                $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
+                                            } else {
+                                                 $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
+                                            }
+                                            if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
+                                                $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        } else {
+                            foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
+                                $designhash{$udom.'.login.'.$key.'_'.$img} =
+                                    $domconfig{'login'}{$key}{$img};
+                            }
                         }
                     } else {
                         $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
@@ -4219,6 +4253,11 @@ sub get_domainconf {
         } else {
             $legacy{'rolecolors'} = 1;
         }
+        if (ref($domconfig{'autoenroll'}) eq 'HASH') {
+            if ($domconfig{'autoenroll'}{'co-owners'}) {
+                $designhash{$udom.'.autoassign.co-owners'}=$domconfig{'autoenroll'}{'co-owners'};
+            }
+        }
         if (keys(%legacy) > 0) {
             my %legacyhash = &get_legacy_domconf($udom);
             foreach my $item (keys(%legacyhash)) {
@@ -4731,14 +4770,6 @@ sub standard_css {
 h1, h2, h3, th { font-family: $sans }
 a:focus { color: red; background: yellow } 
 
-hr {
-  clear: both;
-  color: $tabbg;
-  background-color: $tabbg;
-  height: 3px;
-  border: none;
-}
-
 table.thinborder,
 
 table.thinborder tr th {
@@ -5068,12 +5099,20 @@ table.LC_data_table tr td.LC_leftcol_hea
 }
 table.LC_data_table tr.LC_empty_row td,
 table.LC_nested tr.LC_empty_row td {
-  background-color: #FFFFFF;
   font-weight: bold;
   font-style: italic;
   text-align: center;
   padding: 8px;
 }
+
+table.LC_data_table tr.LC_empty_row td {
+  background-color: $tabbg;
+}
+
+table.LC_nested tr.LC_empty_row td {
+  background-color: #FFFFFF;
+}
+
 table.LC_nested tr.LC_empty_row td {
   padding: 4ex
 }
@@ -5239,6 +5278,29 @@ table#LC_browser tr.LC_browser_folder {
   background: #CCCCFF;
 }
 
+table.LC_data_table tr > td.LC_browser_file,
+table.LC_data_table tr > td.LC_browser_file_published {
+  background: #AAEE77;
+}
+
+table.LC_data_table tr > td.LC_browser_file_locked,
+table.LC_data_table tr > td.LC_browser_file_unpublished {
+  background: #FFAA99;
+}
+
+table.LC_data_table tr > td.LC_browser_file_obsolete {
+  background: #888888;
+}
+
+table.LC_data_table tr > td.LC_browser_file_modified,
+table.LC_data_table tr > td.LC_browser_file_metamodified {
+  background: #F8F866;
+}
+
+table.LC_data_table tr.LC_browser_folder > td {
+  background: #E0E8FF;
+}
+
 table.LC_data_table tr > td.LC_roles_is {
 /*  background: #77FF77; */
 }
@@ -5577,7 +5639,7 @@ table.LC_prior_match tr td {
   border: 1px solid #000000;
 }
 
-span.LC_nobreak {
+.LC_nobreak {
   white-space: nowrap;
 }
 
@@ -6366,7 +6428,7 @@ Returns either 'student','coordinator','
 ###############################################
 sub get_users_function {
     my $function = 'student';
-    if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/
+    if ($env{'request.role'}=~/^(cc|co|in|ta|ep)/) {
         $function='coordinator';
     }
     if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
@@ -8987,6 +9049,8 @@ sub extract_categories {
                 my $trailstr;
                 if ($name eq 'instcode') {
                     $trailstr = &mt('Official courses (with institutional codes)');
+                } elsif ($name eq 'communities') {
+                    $trailstr = &mt('Communities');
                 } else {
                     $trailstr = $name;
                 }
@@ -9097,14 +9161,16 @@ Inputs:
 cathash - reference to hash of categories defined for the domain (from
           configuration.db)
 
-currcat - scalar with an & separated list of categories assigned to a course. 
+currcat - scalar with an & separated list of categories assigned to a course.
+
+type    - scalar contains course type (Course or Community).
 
 Returns: $output (markup to be displayed) 
 
 =cut
 
 sub assign_categories_table {
-    my ($cathash,$currcat) = @_;
+    my ($cathash,$currcat,$type) = @_;
     my $output;
     if (ref($cathash) eq 'HASH') {
         my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
@@ -9113,15 +9179,20 @@ sub assign_categories_table {
         if (@cats > 0) {
             my $itemcount = 0;
             if (ref($cats[0]) eq 'ARRAY') {
-                $output = &Apache::loncommon::start_data_table();
                 my @currcategories;
                 if ($currcat ne '') {
                     @currcategories = split('&',$currcat);
                 }
+                my $table;
                 for (my $i=0; $i<@{$cats[0]}; $i++) {
                     my $parent = $cats[0][$i];
-                    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
                     next if ($parent eq 'instcode');
+                    if ($type eq 'Community') {
+                        next unless ($parent eq 'communities');
+                    } else {
+                        next if ($parent eq 'communities');
+                    }
+                    my $css_class = $itemcount%2?' class="LC_odd_row"':'';
                     my $item = &escape($parent).'::0';
                     my $checked = '';
                     if (@currcategories > 0) {
@@ -9129,18 +9200,26 @@ sub assign_categories_table {
                             $checked = ' checked="checked" ';
                         }
                     }
-                    $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
-                               '<input type="checkbox" name="usecategory" value="'.
-                               $item.'"'.$checked.' />'.$parent.'</span>'.
-                               '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
+                    my $parent_title = $parent;
+                    if ($parent eq 'communities') {
+                        $parent_title = &mt('Communities');
+                    }
+                    $table .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
+                              '<input type="checkbox" name="usecategory" value="'.
+                              $item.'"'.$checked.' />'.$parent_title.'</span>'.
+                              '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
                     my $depth = 1;
                     push(@path,$parent);
-                    $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+                    $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
                     pop(@path);
-                    $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
+                    $table .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
                     $itemcount ++;
                 }
-                $output .= &Apache::loncommon::end_data_table();
+                if ($itemcount) {
+                    $output = &Apache::loncommon::start_data_table().
+                              $table.
+                              &Apache::loncommon::end_data_table();
+                }
             }
         }
     }
@@ -9385,19 +9464,19 @@ sub check_clone {
     my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
     my $clonemsg;
     my $can_clone = 0;
-    my $lctype = lc($args->{'type'});
+    my $lctype = lc($args->{'crstype'});
     if ($lctype ne 'community') {
         $lctype = 'course';
     }
     if ($clonehome eq 'no_host') {
-        if ($args->{'type'} eq 'Community') {
+        if ($args->{'crstype'} eq 'Community') {
             $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
         } else {
             $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
         }
     } else {
 	my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
-        if ($args->{'type'} eq 'Community') {
+        if ($args->{'crstype'} eq 'Community') {
             if ($clonedesc{'type'} ne 'Community') {
                  $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
                 return ($can_clone, $clonemsg, $cloneid, $clonehome);
@@ -9416,7 +9495,7 @@ sub check_clone {
                 $can_clone = 1;
             } else {
                 my $ccrole = 'cc';
-                if ($args->{'type'} eq 'Community') {
+                if ($args->{'crstype'} eq 'Community') {
                     $ccrole = 'co';
                 }
                 my %roleshash =
@@ -9426,8 +9505,10 @@ sub check_clone {
                                          [$args->{'clonedomain'}]);
                 if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
                     $can_clone = 1;
+                } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
+                    $can_clone = 1;
                 } else {
-                    if ($args->{'type'} eq 'Community') {
+                    if ($args->{'crstype'} eq 'Community') {
                         $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
                     } else {
                         $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
@@ -9510,6 +9591,10 @@ sub construct_course {
 	$cenv{'url'}=$oldcenv{'url'};
 # Restore title
 	$cenv{'description'}=$oldcenv{'description'};
+# Restore creation date, creator and creation context.
+        $cenv{'internal.created'}=$oldcenv{'internal.created'};
+        $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
+        $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
 # Mark as cloned
 	$cenv{'clonedfrom'}=$cloneid;
 # Need to clone grading mode