protected JTree createTree() {
    myFileSystemTree = new FileSystemTreeImpl(myProject, myChooserDescriptor);
    Disposer.register(myDisposable, myFileSystemTree);

    myFileSystemTree.addOkAction(
        new Runnable() {
          public void run() {
            doOKAction();
          }
        });
    JTree tree = myFileSystemTree.getTree();
    tree.setCellRenderer(new NodeRenderer());
    tree.getSelectionModel().addTreeSelectionListener(new FileTreeSelectionListener());
    tree.addTreeExpansionListener(new FileTreeExpansionListener());
    setOKActionEnabled(false);

    myFileSystemTree.addListener(
        new FileSystemTree.Listener() {
          public void selectionChanged(final List<VirtualFile> selection) {
            updatePathFromTree(selection, false);
          }
        },
        myDisposable);

    new FileDrop(
        tree,
        new FileDrop.Target() {
          public FileChooserDescriptor getDescriptor() {
            return myChooserDescriptor;
          }

          public boolean isHiddenShown() {
            return myFileSystemTree.areHiddensShown();
          }

          public void dropFiles(final List<VirtualFile> files) {
            if (!myChooserDescriptor.isChooseMultiple() && files.size() > 0) {
              selectInTree(new VirtualFile[] {files.get(0)}, true);
            } else {
              selectInTree(VfsUtilCore.toVirtualFileArray(files), true);
            }
          }
        });

    return tree;
  }
예제 #2
0
  public ActionsTree() {
    myRoot = new DefaultMutableTreeNode(ROOT);

    myTree =
        new Tree(new MyModel(myRoot)) {
          @Override
          public void paint(Graphics g) {
            super.paint(g);
            Rectangle visibleRect = getVisibleRect();
            Rectangle clip = g.getClipBounds();
            for (int row = 0; row < getRowCount(); row++) {
              Rectangle rowBounds = getRowBounds(row);
              rowBounds.x = 0;
              rowBounds.width = Integer.MAX_VALUE;

              if (rowBounds.intersects(clip)) {
                Object node = getPathForRow(row).getLastPathComponent();

                if (node instanceof DefaultMutableTreeNode) {
                  Object data = ((DefaultMutableTreeNode) node).getUserObject();
                  Rectangle fullRowRect =
                      new Rectangle(
                          visibleRect.x, rowBounds.y, visibleRect.width, rowBounds.height);
                  paintRowData(this, data, fullRowRect, (Graphics2D) g);
                }
              }
            }
          }
        };
    myTree.setRootVisible(false);
    myTree.setShowsRootHandles(true);

    myTree.putClientProperty(WideSelectionTreeUI.STRIPED_CLIENT_PROPERTY, Boolean.TRUE);
    myTree.setCellRenderer(new KeymapsRenderer());
    myTree.addMouseMotionListener(
        new MouseMotionAdapter() {
          @Override
          public void mouseMoved(MouseEvent e) {
            String description = getDescription(e);
            if (description != null) {
              ActionMenu.showDescriptionInStatusBar(true, myTree, description);
            } else {
              ActionMenu.showDescriptionInStatusBar(false, myTree, null);
            }
          }

          @Nullable
          private String getDescription(@NotNull MouseEvent e) {
            TreePath path = myTree.getPathForLocation(e.getX(), e.getY());
            if (path == null) return null;

            DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
            if (node == null) return null;

            Object userObject = node.getUserObject();
            if (!(userObject instanceof String)) return null;

            String actionId = (String) userObject;
            AnAction action = ActionManager.getInstance().getActionOrStub(actionId);
            if (action == null) return null;

            return action.getTemplatePresentation().getDescription();
          }
        });

    myTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    myComponent =
        ScrollPaneFactory.createScrollPane(
            myTree,
            ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
  }