[richfaces-issues] [JBoss JIRA] Created: (RF-10190) TreeState.expandNode doesn't work recursively for leaf nodes

[Gergely Nagy (JIRA)]

TreeState.expandNode doesn't work recursively for leaf nodes
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                 Key: RF-10190
                 URL: https://issues.jboss.org/browse/RF-10190
             Project: RichFaces
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: component-tree
    Affects Versions: 3.3.3.Final
            Reporter: Gergely Nagy


TreeState.expandNode(UITree, TreeRowKey) is apparently supposed to expand the node at the specified key, going recursively up along its parents and opening those as well. However, there is an if-statement which skips this logic for leaf nodes (for no apparent reason since the traversal is going up not down). I would expect this expansion to also work for leaf nodes.

Offending code snippet:

if (!tree.isLeaf()) {
	TreeRowKey key = rowKey;
	
	while (key != null && key.depth() != 0) {
		addQueuedState(key, NodeState.EXPANDED);
		key = (TreeRowKey) tree.getParentRowKey(key);
	};
	
}

Ugly workaround exists: add a dummy child to a leaf node, expand, and then remove the dummy child. 

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