public boolean isParentOf(NodeDescriptor eachNode) {
NodeDescriptor eachParent = eachNode.getParentDescriptor();
while (eachParent != null) {
if (eachParent == this) return true;
eachParent = eachParent.getParentDescriptor();
}
return false;
}
public boolean isAncestorOrSelf(NodeDescriptor selectedNode) {
NodeDescriptor node = selectedNode;
while (node != null) {
if (equals(node)) return true;
node = node.getParentDescriptor();
}
return false;
}
public static Object extractUserObject(DefaultMutableTreeNode node) {
Object userObject = node.getUserObject();
Object element = null;
if (userObject instanceof AbstractTreeNode) {
AbstractTreeNode descriptor = (AbstractTreeNode) userObject;
element = descriptor.getValue();
} else if (userObject instanceof NodeDescriptor) {
NodeDescriptor descriptor = (NodeDescriptor) userObject;
element = descriptor.getElement();
if (element instanceof AbstractTreeNode) {
element = ((AbstractTreeNode) element).getValue();
}
} else if (userObject != null) {
element = userObject;
}
return element;
}
@Override
public void applyFrom(NodeDescriptor desc) {
if (desc instanceof PresentableNodeDescriptor) {
PresentableNodeDescriptor pnd = (PresentableNodeDescriptor) desc;
apply(pnd.getPresentation());
} else {
super.applyFrom(desc);
}
}