--- loncom/interface/loncommon.pm	2010/02/12 17:35:49	1.939
+++ loncom/interface/loncommon.pm	2010/05/18 02:26:39	1.948.2.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.939 2010/02/12 17:35:49 bisitz Exp $
+# $Id: loncommon.pm,v 1.948.2.5 2010/05/18 02:26:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3412,12 +3412,22 @@ sub get_previous_attempt {
       }
       $prevattempts=&start_data_table().&start_data_table_header_row();
       $prevattempts.='<th>'.&mt('History').'</th>';
+      my %typeparts;
+      my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
       foreach my $key (sort(keys(%lasthash))) {
 	my ($ign,@parts) = split(/\./,$key);
 	if ($#parts > 0) {
 	  my $data=$parts[-1];
 	  pop(@parts);
-	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          if ($data eq 'type') {
+              unless ($showsurv) {
+                  my $id = join(',',@parts);
+                  $typeparts{$ign.'.'.$id} = $lasthash{$key};
+              }
+              delete($lasthash{$key});
+          } else {
+	      $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          }
 	} else {
 	  if ($#parts == 0) {
 	    $prevattempts.='<th>'.$parts[0].'</th>';
@@ -3427,23 +3437,98 @@ sub get_previous_attempt {
 	}
       }
       $prevattempts.=&end_data_table_header_row();
+      my %lasthidden;
       if ($getattempt eq '') {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
-	  $prevattempts.=&start_data_table_row().
-	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
-	    foreach my $key (sort(keys(%lasthash))) {
-		my $value = &format_previous_attempt_value($key,
-							   $returnhash{$version.':'.$key});
-		$prevattempts.='<td>'.$value.'&nbsp;</td>';   
-	    }
-	  $prevattempts.=&end_data_table_row();
+            my @hidden;
+            if (%typeparts) {
+                foreach my $id (keys(%typeparts)) {
+                    if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
+                        push(@hidden,$id);
+                        $lasthidden{$id} = 1;
+                    } elsif ($lasthidden{$id}) {
+                        if (exists($returnhash{$version.':'.$id.'.award'})) {
+                            delete($lasthidden{$id});
+                        }
+                    }
+                }
+            }
+            $prevattempts.=&start_data_table_row().
+                           '<td>'.&mt('Transaction [_1]',$version).'</td>';
+            if (@hidden) {
+                foreach my $key (sort(keys(%lasthash))) {
+                    my $hide;
+                    foreach my $id (@hidden) {
+                        if ($key =~ /^\Q$id\E/) {
+                            $hide = 1;
+                            last;
+                        }
+                    }
+                    if ($hide) {
+                        my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                        if (($data eq 'award') || ($data eq 'awarddetail')) {
+                            my $value = &format_previous_attempt_value($key,
+                                             $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    } else {
+                        if ($key =~ /\./) {
+                            my $value = &format_previous_attempt_value($key,
+                                              $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    }
+                }
+            } else {
+	        foreach my $key (sort(keys(%lasthash))) {
+		    my $value = &format_previous_attempt_value($key,
+			            $returnhash{$version.':'.$key});
+		    $prevattempts.='<td>'.$value.'&nbsp;</td>';
+	        }
+            }
+	    $prevattempts.=&end_data_table_row();
 	 }
       }
+      my @currhidden = keys(%lasthidden);
       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
       foreach my $key (sort(keys(%lasthash))) {
-	my $value = &format_previous_attempt_value($key,$lasthash{$key});
-	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
-	$prevattempts.='<td>'.$value.'&nbsp;</td>';
+          if (%typeparts) {
+              my $hidden;
+              foreach my $id (@currhidden) {
+                  if ($key =~ /^\Q$id\E/) {
+                      $hidden = 1;
+                      last;
+                  }
+              }
+              if ($hidden) {
+                  my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                  if (($data eq 'award') || ($data eq 'awarddetail')) {
+                      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                          $value = &$gradesub($value);
+                      }
+                      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                  } else {
+                      $prevattempts.='<td>&nbsp;</td>';
+                  }
+              } else {
+                  my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                  if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                      $value = &$gradesub($value);
+                  }
+                  $prevattempts.='<td>'.$value.'&nbsp;</td>';
+              }
+          } else {
+	      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+	      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                  $value = &$gradesub($value);
+              }
+	      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+          }
       }
       $prevattempts.= &end_data_table_row().&end_data_table();
     } else {
@@ -3616,10 +3701,13 @@ sub submlink {
     }
     if (!$symb) { $symb=&Apache::lonnet::symbread(); }
     $symb=&escape($symb);
-    if ($target) { $target="target=\"$target\""; }
-    return '<a href="/adm/grades?&command=submission&'.
-	'symb='.$symb.'&student='.$uname.
-	'&userdom='.$udom.'" '.$target.'>'.$text.'</a>';
+    if ($target) { $target=" target=\"$target\""; }
+    return
+        '<a href="/adm/grades?command=submission'.
+        '&amp;symb='.$symb.
+        '&amp;student='.$uname.
+        '&amp;userdom='.$udom.'"'.
+        $target.'>'.$text.'</a>';
 }
 ##############################################
 
@@ -4146,16 +4234,39 @@ sub get_domainconf {
     if (defined($cached)) { return %{$result}; }
 
     my %domconfig = &Apache::lonnet::get_dom('configuration',
-					     ['login','rolecolors'],$udom);
+					     ['login','rolecolors','autoenroll'],$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};
@@ -4182,6 +4293,11 @@ 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 $item (keys(%legacyhash)) {
@@ -4459,6 +4575,11 @@ sub bodytag {
     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
         $no_nav_bar,$bgcolor,$no_inline_link,$args)=@_;
 
+    my $public;
+    if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
+        || ($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) {
+        $public = 1;
+    }
     if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); }
 
     $function = &get_users_function() if (!$function);
@@ -4508,12 +4629,12 @@ sub bodytag {
     } 
 
     my $name = &plainname($env{'user.name'},$env{'user.domain'});
-    if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
+    if ($public) {
 	undef($role);
     } else {
 	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
     }
-    
+
     my $titleinfo = '<h1>'.$title.'</h1>';
     #
     # Extra info if you are the DC
@@ -4567,7 +4688,7 @@ sub bodytag {
         $bodytag .= qq|<div id="LC_realm">$realm $dc_info</div>|;
 
         #don't show menus for public users
-        if($env{'user.name'} ne 'public' && $env{'user.domain'} ne 'public'){
+        if (!$public){
             $bodytag .= Apache::lonmenu::secondary_menu();
             $bodytag .= Apache::lonmenu::serverform();
             $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
@@ -4761,13 +4882,21 @@ sub standard_css {
     my $table_header         = '#DDDDDD';
     my $feedback_link_bg     = '#BBBBBB';
     my $lg_border_color      = '#C8C8C8';
+    my $button_hover         = '#BF2317';
 
     my $border = ($env{'browser.type'} eq 'explorer' ||
       $env{'browser.type'} eq 'safari'     ) ? '0 2px 0 2px'
                                              : '0 3px 0 4px';
 
-
     return <<END;
+
+/* needed for iframe to allow 100% height in FF */
+body, html { 
+    margin: 0;
+    padding: 0 0.5%;
+    height: 99%; /* to avoid scrollbars */
+}
+
 body {
   font-family: $sans;
   line-height:130%;
@@ -4775,7 +4904,8 @@ body {
   color:$font;
 }
 
-a:focus {
++a:focus,
++a:focus img {
   color: red;
   background: yellow;
 }
@@ -4796,6 +4926,20 @@ form, .inline {
   width:400px;
 }
 
+.LC_iframecontainer {
+    width: 98%;
+    margin: 0;
+    position: fixed;
+    top: 8.5em;
+    bottom: 0;
+}
+
+.LC_iframecontainer iframe{
+    border: none;
+    width: 100%;
+    height: 100%;
+}
+
 .LC_filename {
   font-family: $mono;
   white-space:pre;
@@ -5006,6 +5150,10 @@ td.LC_table_cell_checkbox {
   vertical-align: middle;
 }
 
+li.LC_menubuttons_inline_text img,a {
+  cursor:pointer;
+}
+
 .LC_menubuttons_link {
   text-decoration: none;
 }
@@ -5113,13 +5261,20 @@ 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: $sidebg;
+}
+
+table.LC_nested tr.LC_empty_row td {
+  background-color: #FFFFFF;
+}
+
 table.LC_caption {
 }
 
@@ -5768,13 +5923,18 @@ div.LC_clear_float_footer {
 }
 
 div.LC_grade_show_user {
-  border-left: 5px solid $sidebg;
-  margin: 0;
+/*  border-left: 5px solid $sidebg; */
+  border-top: 5px solid #000000;
+  margin: 50px 0 0 0;
   padding: 15px 0 5px 10px;
 }
 
 div.LC_grade_show_user_odd_row {
-  border-left: 5px solid #000000;
+/*  border-left: 5px solid #000000; */
+}
+
+div.LC_grade_show_user div.LC_Box {
+  margin-right: 50px;
 }
 
 div.LC_grade_submissions,
@@ -5872,7 +6032,7 @@ ol#LC_PathBreadcrumbs a:hover,
 ul#LC_secondary_menu a:hover,
 .LC_FormSectionClearButton input:hover
 ul.LC_TabContent   li:hover a {
-  color:#BF2317;
+  color:$button_hover;
   text-decoration:none;
 }
 
@@ -6023,14 +6183,15 @@ ul#LC_secondary_menu li a {
 }
 
 ul.LC_TabContent {
-  min-height:1.5em;
+  min-height:20px;
 }
 
 ul.LC_TabContent li {
   vertical-align:middle;
-  padding: 0 10px 0 10px;
+  padding: 0 16px 0 10px;
   background-color:$tabbg;
   border-bottom:solid 1px $lg_border_color;
+  border-right: solid 1px $font;
 }
 
 ul.LC_TabContent .right {
@@ -6043,16 +6204,33 @@ ul.LC_TabContent li {
   text-decoration:none;
   font-size:95%;
   font-weight:bold;
-  padding-right: 16px;
+  min-height:20px;
+}
+
+ul.LC_TabContent li a:hover,
+ul.LC_TabContent li a:focus {
+  color: $button_hover;
+  background:none;
+  outline:none;
+}
+
+ul.LC_TabContent li:hover {
+  color: $button_hover;
+  cursor:pointer;
 }
 
-ul.LC_TabContent li:hover,
 ul.LC_TabContent li.active {
+  color: $font;
   background:#FFFFFF url(/adm/lonIcons/open.gif) no-repeat scroll right center;
-  border-bottom:solid 2px #FFFFFF;
-  padding-right: 16px;
+  border-bottom:solid 1px #FFFFFF;
+  cursor: default;
 }
 
+ul.LC_TabContent li.active a {
+  color:$font;
+  background:#FFFFFF;
+  outline: none;
+}
 #maincoursedoc {
   clear:both;
 }
@@ -6071,6 +6249,10 @@ ul.LC_TabContentBigger li {
   color: #737373;
 }
 
+ul.LC_TabContentBigger li.active {
+  position: relative;
+  top: 1px;
+}
 
 ul.LC_TabContentBigger li a {
   background:url('/adm/lonIcons/tabbgleft.gif') left bottom no-repeat;
@@ -6079,31 +6261,33 @@ ul.LC_TabContentBigger li a {
   text-align: center;
   display: block;
   text-decoration: none;
+  outline: none;
 }
 
-ul.LC_TabContentBigger li:hover a,
 ul.LC_TabContentBigger li.active a {
   background:url('/adm/lonIcons/tabbgleft.gif') left top no-repeat;
   color:$font;
-  text-decoration: underline;
 }
 
-
 ul.LC_TabContentBigger li b {
   background: url('/adm/lonIcons/tabbgright.gif') no-repeat right bottom;
   display: block;
   float: left;
   padding: 0 30px;
+  border-bottom: 1px solid $lg_border_color;
+}
+
+ul.LC_TabContentBigger li:hover b {
+  color:$button_hover;
 }
 
-ul.LC_TabContentBigger li:hover b,
 ul.LC_TabContentBigger li.active b {
   background:url('/adm/lonIcons/tabbgright.gif') right top no-repeat;
   color:$font;
-  border-bottom: 1px solid #FFFFFF;
+  border: 0;
+  cursor:default;
 }
 
-
 ul.LC_CourseBreadcrumbs {
   background: $sidebg;
   line-height: 32px;
@@ -6819,15 +7003,26 @@ sub simple_error_page {
 
 {
     my @row_count;
+
+    sub start_data_table_count {
+        unshift(@row_count, 0);
+        return;
+    }
+
+    sub end_data_table_count {
+        shift(@row_count);
+        return;
+    }
+
     sub start_data_table {
 	my ($add_class) = @_;
 	my $css_class = (join(' ','LC_data_table',$add_class));
-	unshift(@row_count,0);
+        &start_data_table_count();
 	return '<table class="'.$css_class.'">'."\n";
     }
 
     sub end_data_table {
-	shift(@row_count);
+        &end_data_table_count();
 	return '</table>'."\n";;
     }
 
@@ -9981,19 +10176,19 @@ 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);
@@ -10012,7 +10207,7 @@ sub check_clone {
                 $can_clone = 1;
             } else {
                 my $ccrole = 'cc';
-                if ($args->{'type'} eq 'Community') {
+                if ($args->{'crstype'} eq 'Community') {
                     $ccrole = 'co';
                 }
 	        my %roleshash =
@@ -10021,9 +10216,11 @@ sub check_clone {
                                          'userroles',['active'],[$ccrole],
 					 [$args->{'clonedomain'}]);
 	        if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
-		    $can_clone = 1;
-	        } else {
-                    if ($args->{'type'} eq 'Community') {
+                    $can_clone = 1;
+                } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
+                    $can_clone = 1;
+                } else {
+                    if ($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'});
@@ -10082,11 +10279,19 @@ sub construct_course {
     # if anyone ever decides to not show this, and Utils::Course::new
     # will need to be suitably modified.
     $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+    if ($$courseid =~ /^error:/) {
+        return (0,$outcome);
+    }
+
 #
 # Check if created correctly
 #
     ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
     my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
+    if ($crsuhome eq 'no_host') {
+        $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
+        return (0,$outcome);
+    }
     $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
 
 #
@@ -10105,6 +10310,10 @@ 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
@@ -10351,7 +10560,7 @@ sub construct_course {
 	    $title=&mt('Syllabus');
             $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
         } else {
-            $title=&mt('Navigate Contents');
+            $title=&mt('Table of Contents');
             $url='/adm/navmaps';
         }