private static DefaultMutableTreeNode findMatchedChild(
DefaultMutableTreeNode parent, PathElement pathElement) {
for (int j = 0; j < parent.getChildCount(); j++) {
final TreeNode child = parent.getChildAt(j);
if (!(child instanceof DefaultMutableTreeNode)) continue;
final DefaultMutableTreeNode childNode = (DefaultMutableTreeNode) child;
final Object userObject = childNode.getUserObject();
if (pathElement.matchedWithByObject(userObject)) return childNode;
}
for (int j = 0; j < parent.getChildCount(); j++) {
final TreeNode child = parent.getChildAt(j);
if (!(child instanceof DefaultMutableTreeNode)) continue;
final DefaultMutableTreeNode childNode = (DefaultMutableTreeNode) child;
final Object userObject = childNode.getUserObject();
if (!(userObject instanceof NodeDescriptor)) continue;
final NodeDescriptor nodeDescriptor = (NodeDescriptor) userObject;
if (pathElement.matchedWith(nodeDescriptor)) return childNode;
}
if (parent.getChildCount() > 0) {
int index = pathElement.myItemIndex;
if (index >= parent.getChildCount()) {
index = parent.getChildCount() - 1;
}
final TreeNode child = parent.getChildAt(index);
if (child instanceof DefaultMutableTreeNode) {
return (DefaultMutableTreeNode) child;
}
}
return null;
}
private static boolean applyTo(
final int positionInPath,
final List<PathElement> path,
final Object root,
final TreeFacade tree) {
if (!(root instanceof DefaultMutableTreeNode)) return false;
final DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) root;
final Object userObject = treeNode.getUserObject();
final PathElement pathElement = path.get(positionInPath);
if (userObject instanceof NodeDescriptor) {
if (!pathElement.matchedWith((NodeDescriptor) userObject)) return false;
} else {
if (!pathElement.matchedWithByObject(userObject)) return false;
}
tree.expand(treeNode)
.doWhenDone(
new Runnable() {
public void run() {
if (positionInPath == path.size() - 1) {
return;
}
for (int j = 0; j < treeNode.getChildCount(); j++) {
final TreeNode child = treeNode.getChildAt(j);
final boolean resultFromChild = applyTo(positionInPath + 1, path, child, tree);
if (resultFromChild) {
break;
}
}
}
});
return true;
}