Changeset 13802

Timestamp:

05/26/08 08:47:45 (6 months ago)

Author:

bill

Message:

Notification when Tree node is opened/closed.
Fixes #5530.
!strict

Location:

dijit/trunk

Files:

• tests/test_Tree.html (modified) (1 diff)
• Tree.js (modified) (3 diffs)

dijit/trunk/tests/test_Tree.html

@@ -47 +47 @@
                         alert("Execute of node " + continentStore.getLabel(item)
                                 +", population=" + continentStore.getValue(item, "population"));
+                </script>
+                <script type="dojo/method" event="onOpen" args="item">
+                        console.log("Open of node " + continentStore.getLabel(item));
+                </script>
+                <script type="dojo/method" event="onClose" args="item">
+                        console.log("Close of node " + continentStore.getLabel(item));
                 </script>
         </div>

dijit/trunk/Tree.js

@@ -700 +700 @@
                 // summary: user overridable function for executing a tree item
         },
+        onOpen: function(/* dojo.data */ item, /*TreeNode*/ node){
+                // summary: callback when a node is opened
+        },
+        onClose: function(/* dojo.data */ item, /*TreeNode*/ node){
+                // summary: callback when a node is closed
+        },
 
         _getNextNode: function(node){
@@ -735 +741 @@
 
                         node.collapse();
+                        this.onClose(node.item, node);
+
                         if(this.persist && node.item){
                                 delete this._openedItemIds[this.model.getIdentity(node.item)];
@@ -774 +782 @@
                                 // data is already loaded; just proceed
                                 node.expand();
+                                this.onOpen(node.item, node);
+
                                 if(this.persist && item){
                                         this._openedItemIds[model.getIdentity(item)] = true;