[gwt-contrib] Fixing a bug in CellTree where the Show More button doesn't work for the root node. (issue1420801)

[jlabanca]

Reviewers: rchandia,

Description:
Fixing a bug in CellTree where the Show More button doesn't work for the
root node.
Issue: 5547


Please review this at http://gwt-code-reviews.appspot.com/1420801/

Affected files:
  M user/src/com/google/gwt/user/cellview/client/CellTree.java


Index: user/src/com/google/gwt/user/cellview/client/CellTree.java
===================================================================
--- user/src/com/google/gwt/user/cellview/client/CellTree.java	(revision  
9995)
+++ user/src/com/google/gwt/user/cellview/client/CellTree.java	(working  
copy)
@@ -682,7 +682,7 @@
     final boolean isMouseDown = "mousedown".equals(eventType);
     final boolean isClick = "click".equals(eventType);
     final CellTreeNodeView<?> nodeView = findItemByChain(chain, 0,  
rootNode);
-    if (nodeView != null && nodeView != rootNode) {
+    if (nodeView != null) {
       if (isMouseDown) {
         Element showMoreElem = nodeView.getShowMoreElement();
         if (nodeView.getImageElement().isOrHasChild(target)) {
@@ -697,7 +697,7 @@
       }

       // Forward the event to the cell
-      if (nodeView.getSelectionElement().isOrHasChild(target)) {
+      if (nodeView != rootNode &&  
nodeView.getSelectionElement().isOrHasChild(target)) {
         // Move the keyboard focus to the clicked item.
         if (isClick) {
           /*


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