group MDL-21533 Replaced overlib usage within Group with YUI3 equivilant JavaScript code

group/module.js

@@ -0,0 +1,42 @@
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+M.core_group = {
+    hoveroverlay : null
+};
+
+M.core_group.init_hover_events = function(Y, events) {
+    // Prepare the overlay if it hasn't already been created
+    this.hoveroverlay = this.hoveroverlay || (function(){
+        // New Y.Overlay
+        var overlay = new Y.Overlay({
+            bodyContent : 'Loading',
+            visible : false,
+            zIndex : 2
+        });
+        // Render it against the page
+        overlay.render(Y.one('#page'));
+        return overlay;
+    })();
+
+    // Iterate over the events and attach an event to display the description on
+    // hover
+    for (var id in events) {
+        var node = Y.one('#'+id);
+        if (node) {
+            node = node.ancestor();
+            node.on('mouseenter', function(e, content){
+                M.core_group.hoveroverlay.set('xy', [this.getX()+(this.get('offsetWidth')/2),this.getY()+this.get('offsetHeight')-5]);
+                M.core_group.hoveroverlay.set("bodyContent", content);
+                M.core_group.hoveroverlay.show();
+                M.core_group.hoveroverlay.get('boundingBox').setStyle('visibility', 'visible');
+            }, node, events[id]);
+            node.on('mouseleave', function(e){
+                M.core_group.hoveroverlay.hide();
+                M.core_group.hoveroverlay.get('boundingBox').setStyle('visibility', 'hidden');
+            }, node);
+        }
+    }
+}
+

group/overview.php

@@ -115,9 +115,6 @@ if ($rs = $DB->get_recordset_sql($sql, $params)) {
     $rs->close();
 }
 
-$PAGE->requires->js('/lib/overlib/overlib.js', true);
-$PAGE->requires->js('/lib/overlib/overlib_cssstyle.js', true);
-
 $PAGE->navbar->add($strparticipants, new moodle_url('/user/index.php', array('id'=>$courseid)));
 $PAGE->navbar->add($strgroups);
 
@@ -161,6 +158,7 @@ echo $OUTPUT->render($select);
 
 /// Print table
 $printed = false;
+$hoverevents = array();
 foreach ($members as $gpgid=>$groupdata) {
     if ($groupingid and $groupingid != $gpgid) {
         continue; // do not show
@@ -180,14 +178,12 @@ foreach ($members as $gpgid=>$groupdata) {
         $description = file_rewrite_pluginfile_urls($groups[$gpid]->description, 'pluginfile.php', $context->id, 'course_group_description', $gpid);
         $options = new stdClass;
         $options->noclean = true;
-        $jsdescription = addslashes_js(trim(format_text($description, $groups[$gpid]->descriptionformat, $options)));
+        $jsdescription = trim(format_text($description, $groups[$gpid]->descriptionformat, $options));
         if (empty($jsdescription)) {
             $line[] = $name;
         } else {
-            $jsstrdescription = addslashes_js($strdescription);
-            $overlib = "return overlib('$jsdescription', BORDER, 0, FGCLASS, 'description', "
-                      ."CAPTIONFONTCLASS, 'caption', CAPTION, '$jsstrdescription');";
-            $line[] = '<span onmouseover="'.s($overlib).'" onmouseout="return nd();">'.$name.'</span>';
+            $line[] = html_writer::tag('span', $name, array('id'=>'group_'.$gpid));
+            $hoverevents['group_'.$gpid] = $jsdescription;
         }
         $fullnames = array();
         foreach ($users as $user) {
@@ -215,4 +211,9 @@ foreach ($members as $gpgid=>$groupdata) {
     $printed = true;
 }
 
+if (count($hoverevents)>0) {
+    $PAGE->requires->string_for_js('description', 'moodle');
+    $PAGE->requires->js_init_call('M.core_group.init_hover_events', array($hoverevents));
+}
+
 echo $OUTPUT->footer();

lib/outputrequirementslib.php

@@ -393,6 +393,11 @@ class page_requirements_manager {
                                     'fullpath' => '/lib/flashdetect/flashdetect.js',
                                     'requires' => array('io'));
                     break;
+                case 'core_group':
+                    $module = array('name'     => 'core_group',
+                                    'fullpath' => '/group/module.js',
+                                    'requires' => array('node', 'overlay', 'event-mouseenter'));
+                    break;
             }
 
         } else {

theme/base/style/core.css

@@ -58,6 +58,19 @@ a.skip-block {
   display: none;
 }
 
+.yui-overlay .yui-widget-bd {
+    background-color:#FFEE69;
+    border-color:#D4C237 #A6982B #A6982B;
+    border-style:solid;
+    border-width:1px;
+    color:#000000;
+    left:0;
+    padding:2px 5px;
+    position:relative;
+    top:0;
+    z-index:1;
+}
+
 .clearer {
   clear:both;
   margin:0;
@@ -151,4 +164,4 @@ a.skip-block {
   vertical-align:middle;
   height:16px;
   width:16px;
-}
+}