private void installAutoScroll() { myAutoScrollHandler = new AutoScrollToSourceHandler() { protected boolean isAutoScrollMode() { return isAutoScrollEnabled(); } protected void setAutoScrollMode(boolean state) { // do nothing } protected void scrollToSource(Component tree) { updateSelectionFromTree(); } protected boolean needToCheckFocus() { return false; } }; myAutoScrollHandler.install(myTree); }
@NotNull private JTree createTree() { DefaultMutableTreeNode root = new DefaultMutableTreeNode(); final Tree tree = new Tree(new DefaultTreeModel(root)) /* { @Override protected void paintComponent(Graphics g) { DuplicateNodeRenderer.paintDuplicateNodesBackground(g, this); super.paintComponent(g); } }*/; tree.setOpaque(false); tree.setToggleClickCount(-1); SliceUsageCellRenderer renderer = new SliceUsageCellRenderer(); renderer.setOpaque(false); tree.setCellRenderer(renderer); UIUtil.setLineStyleAngled(tree); tree.setRootVisible(false); tree.setShowsRootHandles(true); tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION); tree.setSelectionPath(new TreePath(root.getPath())); // ActionGroup group = // (ActionGroup)ActionManager.getInstance().getAction(IdeActions.GROUP_METHOD_HIERARCHY_POPUP); // PopupHandler.installPopupHandler(tree, group, ActionPlaces.METHOD_HIERARCHY_VIEW_POPUP, // ActionManager.getInstance()); EditSourceOnDoubleClickHandler.install(tree); new TreeSpeedSearch(tree); TreeUtil.installActions(tree); ToolTipManager.sharedInstance().registerComponent(tree); myAutoScrollToSourceHandler.install(tree); tree.getSelectionModel() .addTreeSelectionListener( new TreeSelectionListener() { @Override public void valueChanged(final TreeSelectionEvent e) { treeSelectionChanged(); } }); tree.addKeyListener( new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { if (KeyEvent.VK_ENTER == e.getKeyCode()) { List<Navigatable> navigatables = getNavigatables(); if (navigatables.isEmpty()) return; for (Navigatable navigatable : navigatables) { if (navigatable instanceof AbstractTreeNode && ((AbstractTreeNode) navigatable).getValue() instanceof Usage) { navigatable = (Usage) ((AbstractTreeNode) navigatable).getValue(); } if (navigatable.canNavigateToSource()) { navigatable.navigate(false); if (navigatable instanceof Usage) { ((Usage) navigatable).highlightInEditor(); } } } e.consume(); } } }); tree.addTreeWillExpandListener( new TreeWillExpandListener() { @Override public void treeWillCollapse(TreeExpansionEvent event) {} @Override public void treeWillExpand(TreeExpansionEvent event) { TreePath path = event.getPath(); SliceNode node = fromPath(path); node.calculateDupNode(); } }); return tree; }