/**
* Build children objects for the requested node type. If the node is an attribute then do
* nothing. Listeners will be added to the root item but not the children. This is to prevent odd
* mixups if the children have listeners but have not yet had their children built. The viewable
* tree would get very mixed up then
*
* @param root The root object to add children for
*/
private void buildChildren(ToolGroupTreeNode root) {
ToolGroupChild toolItem = root.getToolObject();
if (toolItem instanceof ToolGroup) {
ToolGroup tg = (ToolGroup) toolItem;
List<ToolGroupChild> kids = tg.getChildren();
for (int i = 0; i < kids.size(); i++) {
ToolGroupChild child = kids.get(i);
ToolGroupTreeNode kid = new ToolGroupTreeNode(child, root);
root.insert(kid, i);
}
}
}
/**
* Check to see if the given node is a leaf node. Leaf nodes are determined if the DOM object does
* not support children.
*
* @param child The child node to check
* @return True if the DOM node is a leaf
*/
public boolean isLeaf(Object child) {
ToolGroupTreeNode treeNode = (ToolGroupTreeNode) child;
ToolGroupChild kid = treeNode.getToolObject();
return (kid instanceof SimpleTool);
}