Revision as of 09:49, 5 November 2009 by Admin (Talk | contribs)

Q: I want to have the properties of my custom nodes displayed in the Properties view when they are selected in my tree view. How do I go about doing that?

A: It is simply a matter of listening for the selected nodes property change and then setting the activated nodes on the parentTopComponentwhich contains your tree view.

public class MyComponent extends TopComponent implements PropertyChangeListener {
    private ExplorerManager explorerManager;

    public MyComponent() {
        explorerManager = new ExplorerManager();

    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getSource() == explorerManager &&
                ExplorerManager.PROP_SELECTED_NODES.equals(evt.getPropertyName())) {

Note that the example above is not a complete TopComponent implementation with a tree view and nodes. It is simply demonstrating how to have the selected node's properties shown in the Properties view.

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