Method valueChanged

src/org/opensourcephysics/tools/Launcher.java:1008–1012

(TreeSelectionEvent e)

		tab.tree.setCellRenderer(new LaunchRenderer());
		tab.tree.addTreeSelectionListener(new TreeSelectionListener() {
			@Override
			public void valueChanged(TreeSelectionEvent e) {
				newNodeSelected = true;
				refreshGUI();
			}

		});
		tab.tree.addMouseListener(new MouseAdapter() {