Method ASTViewer

java/src/processing/mode/java/ASTViewer.java:32–84

(JavaEditor editor, PreprocService pps)

  ASTViewer(JavaEditor editor, PreprocService pps) {
    updateListener = this::buildAndUpdateTree;

    window = new JDialog(editor);

    tree = new JTree() {
      @Override
      public String convertValueToText(Object value, boolean selected,
                                       boolean expanded, boolean leaf,
                                       int row, boolean hasFocus) {
        if (value instanceof DefaultMutableTreeNode) {
          DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) value;
          Object o = treeNode.getUserObject();
          if (o instanceof ASTNode) {
            ASTNode node = (ASTNode) o;
            return CompletionGenerator.getNodeAsString(node);
          }
        }
        return super.convertValueToText(value, selected, expanded, leaf, row, hasFocus);
      }
    };
    tree.setCellRenderer(new ZoomTreeCellRenderer());
    window.addComponentListener(new ComponentAdapter() {
      @Override
      public void componentHidden(ComponentEvent e) {
        pps.unregisterListener(updateListener);
        tree.setModel(null);
      }
    });
    window.setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE);
    window.setBounds(new Rectangle(680, 100, 460, 620));
    window.setTitle("AST View - " + editor.getSketch().getName());
    JScrollPane sp = new JScrollPane();
    sp.setViewportView(tree);
    window.add(sp);
    pps.whenDone(updateListener);
    pps.registerListener(updateListener);

    tree.addTreeSelectionListener(e -> {
      if (tree.getLastSelectedPathComponent() != null) {
        DefaultMutableTreeNode treeNode =
          (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
        if (treeNode.getUserObject() instanceof ASTNode) {
          ASTNode node = (ASTNode) treeNode.getUserObject();
          pps.whenDone(ps -> {
            SketchInterval si = ps.mapJavaToSketch(node);
            if (!ps.inRange(si)) return;
            EventQueue.invokeLater(() -> editor.highlight(si.tabIndex, si.startTabOffset, si.stopTabOffset));
          });
        }
      }
    });
  }


  void dispose() {