public PullRequestsTreeModel() {
    super(null);

    this.root = new PRTreeNode(TfPluginBundle.message(TfPluginBundle.KEY_VCS_PR_TITLE));
    setRoot(root);
    this.requestedByMeRoot = new PRTreeNode(TfPluginBundle.message(TfPluginBundle.KEY_VCS_PR_REQUESTED_BY_ME));
    root.insert(requestedByMeRoot, 0);
    this.assignedToMeRoot = new PRTreeNode(TfPluginBundle.message(TfPluginBundle.KEY_VCS_PR_ASSIGNED_TO_ME));
    root.insert(assignedToMeRoot, 1);

    allRequestedByMePullRequests = new ArrayList<GitPullRequest>();
    allAssignedToMePullRequests = new ArrayList<GitPullRequest>();

    selectionModel = new DefaultTreeSelectionModel();
    selectionModel.setSelectionMode(DefaultTreeSelectionModel.SINGLE_TREE_SELECTION);
}
 

private void setup() {
    root = new JPanel(new BorderLayout());
    JScrollPane scroll = new JBScrollPane();
    root.add(scroll, BorderLayout.CENTER);
    connectionTree = new Tree();
    scroll.setViewportView(connectionTree);

    connectionTree.getEmptyText().setText(P4Bundle.getString("connection.tree.initial"));
    connectionTree.setEditable(false);
    connectionTreeModel = new DefaultTreeModel(treeNode);
    connectionTree.setModel(connectionTreeModel);
    connectionTree.setCellRenderer(new ConnectionTreeCellRenderer());
    connectionTree.setRootVisible(false);
    DefaultTreeSelectionModel selectionModel = new DefaultTreeSelectionModel();
    selectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    connectionTree.setSelectionModel(selectionModel);

    ActionGroup actionButtons = createActionGroup();
    ActionToolbar toolbar =
            ActionManager.getInstance().createActionToolbar("p4.active-connection",
                    actionButtons, false);
    root.add(toolbar.getComponent(), BorderLayout.WEST);

    // TODO add context menu support for each selected node type.
    // TODO add support for navigating to a file if a FilePath is selected.
}
 

/**
 * Creates the JTree for the report configuration.
 *
 * @return the tree component.
 * @throws ConfigTreeModelException if the model could not be built.
 */
private JComponent createEntryTree( final boolean includeGlobals ) {
  treeModel = new ConfigTreeModel( packageManager, includeGlobals );

  final TreeSelectionModel selectionModel = new DefaultTreeSelectionModel();
  selectionModel.setSelectionMode( TreeSelectionModel.SINGLE_TREE_SELECTION );

  tree = new JTree( treeModel );
  tree.setSelectionModel( selectionModel );
  tree.setCellRenderer( new ConfigTreeRenderer() );
  tree.setRootVisible( false );
  tree.setShowsRootHandles( true );
  tree.addTreeSelectionListener( new ModuleTreeSelectionHandler() );

  return new JScrollPane
    ( tree, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
      ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER );
}
 

protected void init() {
  setTitle( EditorExpressionsMessages.getString( "ExpressionChooserDialog.Title" ) );
  setModal( true );

  final DefaultTreeSelectionModel selectionModel = new DefaultTreeSelectionModel();
  selectionModel.setSelectionMode( TreeSelectionModel.SINGLE_TREE_SELECTION );
  selectionModel.addTreeSelectionListener( new ExpressionSelectionHandler() );

  expressionsTree = new JTree( ExpressionsTreeModel.getTreeModel() );
  expressionsTree.setRootVisible( false );
  expressionsTree.setSelectionModel( selectionModel );
  expressionsTree.addMouseListener( new DblClickHandler() );
  expressionsTree.setCellRenderer( new ExpressionTreeCellRenderer() );

  addAction = new AddAction();

  super.init();
}
 

/**
 * Creates a new tree object.
 *
 * @param parent Parent window used for dialogs.
 * @param graph Graph shown in the window.
 * @param manager Provides tag information.
 */
public CTagsTree(final JFrame parent, final ZyGraph graph, final ITagManager manager) {
  m_parent = Preconditions.checkNotNull(parent, "IE02308: Perent argument can not be null");
  m_graph = Preconditions.checkNotNull(graph, "IE01776: Graph can not be null");
  m_tagManager = Preconditions.checkNotNull(manager, "IE01777: Manager argument can not be null");

  m_model = new CTagsTreeModel(this);
  setModel(m_model);
  getModel().addTreeModelListener(new InternalModelListener());
  addMouseListener(m_mouseListener);
  m_graph.addListener(m_graphSelectionListener);
  m_graph.addListener(m_graphVisibilityListener);

  setRootVisible(false);

  m_rootNode = new CRootTagTreeNode(parent, this, graph, m_tagManager);
  m_model.setRoot(m_rootNode);

  setCellRenderer(new CTagTreeCellRenderer()); // ATTENTION: UNDER NO CIRCUMSTANCES MOVE THIS LINE
                                               // ABOVE THE SETROOT LINE

  m_model.nodeStructureChanged(m_rootNode);

  final List<IDropHandler> handlers = new ArrayList<IDropHandler>();

  handlers.add(new CTagSortingHandler());

  new CDefaultTransferHandler(this, DnDConstants.ACTION_COPY_OR_MOVE, handlers);

  final DefaultTreeSelectionModel selectionModel = new DefaultTreeSelectionModel();
  selectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
  setSelectionModel(selectionModel);

  final InputMap windowImap = getInputMap(JComponent.WHEN_FOCUSED);

  windowImap.put(HotKeys.DELETE_HK.getKeyStroke(), "DELETE");
  getActionMap().put("DELETE", CActionProxy.proxy(new DeleteAction()));
}
 

public TypesTree() {
  setRootVisible(false);
  setDragEnabled(true);
  setDropMode(DropMode.INSERT); // Dropped objects are inserted behind the drop location.
  setToggleClickCount(1); // Child nodes expand with a single click.
  final DefaultTreeSelectionModel selectionModel = new DefaultTreeSelectionModel();
  selectionModel.setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
  setSelectionModel(selectionModel);
  final IconNodeRenderer renderer = new IconNodeRenderer();
  renderer.setFont(GuiHelper.MONOSPACED_FONT);
  setCellRenderer(renderer);
}
 

/**
 * Frees allocated resources.
 */
public void dispose() {
  m_selectionHistory.removeHistoryListener(m_selectionHistoryListener);

  m_graph.removeListener(m_graphSelectionListener);
  m_tree.removeMouseListener(m_treeMouseListener);
  m_tree.removeTreeSelectionListener(m_treeSelectionListener);

  m_tree.setSelectionModel(new DefaultTreeSelectionModel());
}
 

/**
 * Inits the.
 */
private void init() {
  // Set the title.
  this.setTitle("Type System Editor");
  JSplitPane contentPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
  this.setContentPane(contentPane);

  // Set up the type tree. Use simple DefaultTreeModel.
  DefaultMutableTreeNode root = new DefaultMutableTreeNode("<html><b>No CAS!</b></html>");
  DefaultTreeModel treeModel = new DefaultTreeModel(root);
  this.typeTree = new JTree(treeModel);
  this.typeTree.addTreeSelectionListener(new TypeTreeSelectionListener());
  TreeSelectionModel treeSelectionModel = new DefaultTreeSelectionModel();
  treeSelectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
  this.typeTree.setSelectionModel(treeSelectionModel);
  JScrollPane treePane = new JScrollPane(this.typeTree);
  contentPane.setLeftComponent(treePane);
  DefaultTreeCellRenderer cellRenderer = new DefaultTreeCellRenderer();
  cellRenderer.setLeafIcon(null);
  // cellRenderer.setIcon(null);
  cellRenderer.setClosedIcon(null);
  cellRenderer.setOpenIcon(null);
  this.typeTree.setCellRenderer(cellRenderer);

  // Set up the feature table.
  this.featureTable = new JTable(new FeatureTableModel());
  JScrollPane featurePane = new JScrollPane(this.featureTable);
  featurePane.getViewport().setBackground(Color.WHITE);
  contentPane.setRightComponent(featurePane);

  this.setJMenuBar(createMenuBar());
}
 

public SelectionListener(DefaultTreeModel treeModel, JList list, DefaultListModel otherListModel, DefaultTreeSelectionModel otherTreeModel) {
    this.treeModel = treeModel;
    this.list = list;
    this.otherListModel = otherListModel;
    this.otherTreeSelectionModel = otherTreeModel;
}
 

public SelectionListener(DefaultTreeModel treeModel, JList list, DefaultListModel otherListModel, DefaultTreeSelectionModel otherTreeModel) {
    this.treeModel = treeModel;
    this.list = list;
    this.otherListModel = otherListModel;
    this.otherTreeSelectionModel = otherTreeModel;
}
 

/**
 * Frees allocated resources.
 */
public void dispose() {
  taggingPanel.getTree().dispose();
  taggingPanel.getTree().setSelectionModel(new DefaultTreeSelectionModel());
}