Java Code Examples for javax.swing.JTree#addTreeExpansionListener()

public void init() throws TableNotFoundException {
  DefaultMutableTreeNode root = new DefaultMutableTreeNode(
      new NodeInfo(topPath, q.getData(topPath)));
  populate(root);
  populateChildren(root);

  treeModel = new DefaultTreeModel(root);
  tree = new JTree(treeModel);
  tree.addTreeExpansionListener(this);
  tree.addTreeSelectionListener(this);
  text = new JTextArea(getText(q.getData(topPath)));
  data = new JTextArea("");
  JScrollPane treePane = new JScrollPane(tree);
  JScrollPane textPane = new JScrollPane(text);
  dataPane = new JScrollPane(data);
  JSplitPane infoSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, textPane, dataPane);
  JSplitPane mainSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, treePane, infoSplitPane);
  mainSplitPane.setDividerLocation(300);
  infoSplitPane.setDividerLocation(150);
  getContentPane().add(mainSplitPane, BorderLayout.CENTER);
}
 

/**
 * Initialize the Tree with the filesystem
 */
private void initTree() {
	RootTreeNode root = new RootTreeNode(executorService);

	for (File f : File.listRoots()) {
		root.add(new FilesystemTreeNode(f));
	}

	model = new DefaultTreeModel(root);

	// to fire change event when the loading is finished
	root.setModel(model);
	tree = new JTree(model);

	tree.addTreeSelectionListener(selectionListener);
	tree.addTreeExpansionListener(expansionListener);
	tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
	tree.expandRow(0);
	tree.setRootVisible(false);
	tree.setCellRenderer(new FileTreeCellRenderer());
}
 

private JTree makeTree(ManagementModelNode root) {
    root.explore();
    JTree tree = new CommandBuilderTree(cliGuiCtx, new DefaultTreeModel(root));
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.addTreeExpansionListener(new ManagementTreeExpansionListener((DefaultTreeModel) tree.getModel()));
    tree.addTreeSelectionListener(new ManagementTreeSelectionListener());
    tree.addMouseListener(new ManagementTreeMouseListener(tree));
    return tree;
}
 

public void installComponents(JFileChooser chooser) {
  this.chooser = (JDirectoryChooser)chooser;

  chooser.setLayout(LookAndFeelTweaks.createBorderLayout());
  chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

  Component accessory = chooser.getAccessory();
  if (accessory != null) {
    chooser.add("North", chooser.getAccessory());
  }

  tree = new JTree() {
    public String getToolTipText(MouseEvent event) {
      String tip = WindowsDirectoryChooserUI.this.getToolTipText(event);
      if (tip == null) {
        return super.getToolTipText(event);
      } else {
        return tip;
      }
    }
  };
  tree.addTreeExpansionListener(new TreeExpansion());

  tree.setModel(new FileSystemTreeModel(chooser.getFileSystemView()));
  tree.setRootVisible(false);
  tree.setShowsRootHandles(false);
  tree.setCellRenderer(new FileSystemTreeRenderer());
  tree.setToolTipText("");

  chooser.add("Center", treeScroll = new JScrollPane(tree));
  treeScroll.setPreferredSize(new Dimension(300, 300));

  approveButton = new JButton();
  approveButton.setAction(getApproveSelectionAction());

  cancelButton = new JButton();
  cancelButton.addActionListener(getCancelSelectionAction());

  buttonPanel = new JPanel(LookAndFeelTweaks.createButtonAreaLayout());
  buttonPanel.add(approveButton);
  buttonPanel.add(cancelButton);
  chooser.add("South", buttonPanel);

  updateView(chooser);
}
 

/**
 * Constructor
 * @param tree
 */
TreeTableModelAdapter(JTree tree)
{
	this.tree = tree;
	tree.addTreeExpansionListener(this);
}
 

/**
 * Constructor
 * @param tree
 */
TreeTableModelAdapter(JTree tree)
{
	this.tree = tree;
	tree.addTreeExpansionListener(this);
}