--- loncom/interface/lonnavmaps.pm	2011/12/21 20:21:49	1.475
+++ loncom/interface/lonnavmaps.pm	2012/03/05 11:15:37	1.481
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.475 2011/12/21 20:21:49 raeburn Exp $
+# $Id: lonnavmaps.pm,v 1.481 2012/03/05 11:15:37 foxr Exp $
 
 #
 # Copyright Michigan State University Board of Trustees
@@ -225,7 +225,7 @@ automatically.
 
 =over 4
 
-=item * B<iterator: default: constructs one from %env
+=item * B<iterator: default: constructs one from %env>
 
 A reference to a fresh ::iterator to use from the navmaps. The
 rendering will reflect the options passed to the iterator, so you can
@@ -464,7 +464,7 @@ returns 4
 
 =item add_linkitem()
 
-=item show_linkitems()
+=item show_linkitems_toolbar()
 
 =back
 
@@ -896,6 +896,7 @@ sub part_status_summary { return 4; }
 sub render_resource {
     my ($resource, $part, $params) = @_;
 
+    my $editmapLink;
     my $nonLinkedText = ''; # stuff after resource title not in link
 
     my $link = $params->{"resourceLink"};
@@ -977,6 +978,14 @@ sub render_resource {
             $linkopen = "";
             $linkclose = "";
         }
+        if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
+            ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {
+            my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
+            $editmapLink='&nbsp;'.
+                         '<a href="/adm/coursedocs?command=direct&symb='.&escape($resource->symb()).'">'.
+                         '<img src="'.$icon.'" alt="'.&mt('Edit Content').'" title="'.&mt('Edit Content').'" />'.
+                         '</a>';
+        }
     }
 
     if ($resource->randomout()) {
@@ -1010,8 +1019,10 @@ sub render_resource {
     # Is this the current resource?
     if (!$params->{'displayedHereMarker'} && 
         $resource->symb() eq $params->{'here'} ) {
-        $curMarkerBegin = '<span class="LC_current_nav_location">';
-        $curMarkerEnd = '</span>';
+        unless ($resource->is_map()) {
+            $curMarkerBegin = '<span class="LC_current_nav_location">';
+            $curMarkerEnd = '</span>';
+        }
 	$params->{'displayedHereMarker'} = 1;
     }
 
@@ -1030,7 +1041,7 @@ sub render_resource {
     if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
         $result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$nonLinkedText</td>";
     } else {
-        $result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$nonLinkedText</td>";
+        $result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
     }
 
     return $result;
@@ -1044,6 +1055,7 @@ sub render_communication_status {
     my $linkopen = "<a href=\"$link\">";
     my $linkclose = "</a>";
     my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
+
     if ($resource->hasDiscussion()) {
         $discussionHTML = $linkopen .
             '<img alt="'.&mt('New Discussion').'" src="'.$location.'/chat.gif" title="'.&mt('New Discussion').'"/>' .
@@ -1132,14 +1144,6 @@ sub render_long_status {
         $result .= getDescription($resource, $part);
         if ($color) {$result .= "</b></font>"; }
     }
-    if ($resource->is_map()) {
-        if (&Apache::lonnet::allowed('mdc')) {
-            if ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/) {
-               $result.="&nbsp;<a href='/adm/coursedocs?command=direct&symb=".&escape($resource->symb())."'>".
-                              "<span class='LC_setting'>".&mt("Edit Content").'</span></a>&nbsp;';
-            }
-        }
-    }
     if ($resource->is_map() && &advancedUser() && $resource->randompick()) {
         $result .= &mt('(randomly select [_1])', $resource->randompick());
     }
@@ -1462,8 +1466,10 @@ sub render {
             $link .= '&amp;register='.$env{'form.register'};
         }
 	if ($args->{'caller'} eq 'navmapsdisplay') {
-	    &add_linkitem($args->{'linkitems'},'changefolder',
-			  "location.href='$link'",$text);
+            unless ($args->{'notools'}) {
+                &add_linkitem($args->{'linkitems'},'changefolder',
+                              "location.href='$link'",$text);
+            }
 	} else {
 	    $result.= '<a href="'.$link.'">'.&mt($text).'</a>';
 	}
@@ -1471,7 +1477,7 @@ sub render {
     }
 
     # Check for any unread discussions in all resources.
-    if ($args->{'caller'} eq 'navmapsdisplay') {
+    if (($args->{'caller'} eq 'navmapsdisplay') && (!$args->{'notools'})) {
 	&add_linkitem($args->{'linkitems'},'clearbubbles',
 		      'document.clearbubbles.submit()',
 		      'Mark all posts read');
@@ -1503,29 +1509,21 @@ END
             }
 	}
 	$result.='</form>';
-        if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
-            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-            if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 
-                "uploaded/$cdom/$cnum/default.sequence") {
-                &add_linkitem($args->{'linkitems'},'edittoplevel',
-                              "javascript:gocmd('/adm/coursedocs','direct');",
-                              'Content Editor');
-            }
+    }
+    if (($args->{'caller'} eq 'navmapsdisplay') &&
+        (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
+        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 
+            "uploaded/$cdom/$cnum/default.sequence") {
+            &add_linkitem($args->{'linkitems'},'edittoplevel',
+                          "javascript:gocmd('/adm/coursedocs','editdocs');",
+                          'Content Editor');
         }
     }
 
     if ($args->{'caller'} eq 'navmapsdisplay') {
-        $result .= '<table><tr><td>'.
-                   &Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',undef,'RAT').'</td>';
-	    $result .= '<td>&nbsp;</td>'; 
-	$result.='<td class="LC_middle">'.&mt('Tools:').'</td>';
-	$result.=&show_linkitems_toolbar($args->{'linkitems'});
-        if ($args->{'sort_html'}) {
-            $result.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>'.
-                '<td align="right">'.$args->{'sort_html'}.'</td></tr>';
-        }
-        $result .= '</table>';
+        $result .= &show_linkitems_toolbar($args,$condition);
     } elsif ($args->{'sort_html'}) { 
         $result.=$args->{'sort_html'}; 
     }
@@ -1863,41 +1861,65 @@ sub add_linkitem {
 }
 
 sub show_linkitems_toolbar {
-    my ($linkitems,$condition)=@_;
-    my @linkorder = ('firsthomework','everything','uncompleted',
-                     'changefolder','clearbubbles','edittoplevel');
-    my $result .='<td align="left">'."\n". 
-                 '<span class="LC_nobreak">'."\n".
-                 '<ul id="LC_toolbar">';
-    foreach my $link (@linkorder) {
-        my $link_id = 'LC_content_toolbar_'.$link;
-        if (defined($linkitems->{$link})) {
-            if ($linkitems->{$link}{'text'} ne '') {
-                $linkitems->{$link}{'cmd'}=~s/"/'/g;
-                if ($linkitems->{$link}{'cmd'}) {
-                    if ($link eq 'changefolder') {
-                        if ($condition) {
-                            $link_id='LC_content_toolbar_changefolder_toggled';
-                        } else {
-                            $link_id='LC_content_toolbar_changefolder';
+    my ($args,$condition) = @_;
+    my $result;
+    if (ref($args) eq 'HASH') {
+        if (ref($args->{'linkitems'}) eq 'HASH') {
+            my $numlinks = scalar(keys(%{$args->{'linkitems'}}));
+            if ($numlinks > 1) {
+                $result = '<td>'.
+                          &Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',
+                                                             undef,'RAT').
+                          '</td>'.
+                          '<td>&nbsp;</td>'.
+                          '<td class="LC_middle">'.&mt('Tools:').'</td>';
+            }
+            $result .= '<td align="left">'."\n".
+                       '<span class="LC_nobreak">'."\n".
+                       '<ul id="LC_toolbar">';
+            my @linkorder = ('firsthomework','everything','uncompleted',
+                             'changefolder','clearbubbles','edittoplevel');
+            foreach my $link (@linkorder) {
+                if (ref($args->{'linkitems'}{$link}) eq 'HASH') {
+                    if ($args->{'linkitems'}{$link}{'text'} ne '') {
+                        $args->{'linkitems'}{$link}{'cmd'}=~s/"/'/g;
+                        if ($args->{'linkitems'}{$link}{'cmd'}) {
+                            my $link_id = 'LC_content_toolbar_'.$link;
+                            if ($link eq 'changefolder') {
+                                if ($condition) {
+                                    $link_id='LC_content_toolbar_changefolder_toggled';
+                                } else {
+                                    $link_id='LC_content_toolbar_changefolder';
+                                }
+                            }
+                            $result .= '<li><a href="#" '.
+                                       'onclick="'.$args->{'linkitems'}{$link}{'cmd'}.'" '.
+                                       'id="'.$link_id.'" '.
+                                       'class="LC_toolbarItem" '.
+                                       'title="'.$args->{'linkitems'}{$link}{'text'}.'">'.
+                                       '</a></li>'."\n";
                         }
                     }
-                    $result .= '<li><a href="#" '.
-                               'onclick="'.$linkitems->{$link}{'cmd'}.'" '.
-                               'id="'.$link_id.'" '.
-                               'class="LC_toolbarItem" '.
-                               'title="'.$linkitems->{$link}{'text'}.'">'.
-                               '</a></li>'."\n";
                 }
             }
+            $result .= '</ul>'.
+                       '</span></td>';
+            if (($numlinks==1) && (exists($args->{'linkitems'}{'edittoplevel'}))) {
+                $result .= '<td><a href="'.$args->{'linkitems'}{'edittoplevel'}{'cmd'}.'">'.
+                           &mt('Content Editor').'</a></td>';
+            }
+        }
+        if ($args->{'sort_html'}) {
+            $result .= '<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>'.
+                       '<td align="right">'.$args->{'sort_html'}.'</td>';
         }
     }
-    $result .= '</ul>'.
-               '</span></td>'."\n";
+    if ($result) {
+        $result = "<table><tr>$result</tr></table>";
+    }
     return $result;
 }
 
-
 1;
 
 
@@ -3592,6 +3614,8 @@ sub new {
     $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;
     $self->{RESOURCE_ERROR} = 0;
 
+    $self->{DUEDATE_CACHE} = undef;
+
     # A hash that can be used by two-pass algorithms to store data
     # about this resource in. Not used by the resource object
     # directly.
@@ -4230,6 +4254,9 @@ sub checkedin {
 
 sub duedate {
     (my $self, my $part) = @_;
+    if (defined ($self->{DUEDATE_CACHE}->{$part})) {
+        return $self->{DUEDATE_CACHE}->{$part};
+    }
     my $date;
     my @interval=$self->parmval("interval", $part);
     my $due_date=$self->parmval("duedate", $part);
@@ -4246,6 +4273,7 @@ sub duedate {
     } else {
 	$date = $due_date;
     }
+    $self->{DUEDATE_CACHE}->{$part} = $date;
     return $date;
 }
 sub handgrade {