// 生成一棵树，并放在tabFolder控件中
this.tree = new Tree(this.tabFolder, SWT.BORDER);

// 往树中添加数据
for (int i = 0; i < 5; i++) {
    TreeItem item = new TreeItem(this.tree, SWT.NONE);
    item.setText("www.junesky.org" + i);
    item.setData("当前选择的是www.junesky.org" + i);
}

// 添加单击事件(这里使用了SWT.MouseUp，也可以使用SWT.MouseDown)
this.tree.addListener(SWT.MouseUp, new Listener() {
    public void handleEvent(Event event) {
        Point point = new Point(event.x, event.y);
        TreeItem item = tree.getItem(point);

         text.setText(item.getData());
    }
});

this.tree.addListener(SWT.MenuDetect, new Listener() {
    public void handleEvent(Event event) {
        Menu menu = new Menu(shell, SWT.POP_UP);;
        MenuItem addItem = new MenuItem(menu, SWT.PUSH);
        addItem.setText("新建...");
    }
});

addItem.addListener(SWT.Selection, new Listener() {
    public void handleEvent(Event e) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("这是新追加的节点");
        editor.setEditor(getEditorText(bookItem), bookItem);
    }
});

/**
* 在树控件上生成一个可编辑的文本框
*/
private Text createEditorText(final TreeItem item) {
    // 生成一文本框
    final Text text = new Text(tree, SWT.NONE);
    // 将生成的树节点中的文本设置到文本框中
    text.setText(item.getText());
    // 将文本全部高亮选中
    text.selectAll();
    // 将光标置入文本框
    text.setFocus();

    // 为文本框添加失去焦点事件
    text.addFocusListener(new FocusAdapter() {
        public void focusLost(FocusEvent event) {
            System.out.println("失去焦点");
            // 将文本设置入树节点中
            item.setText(text.getText());
            // 使文本框失效
            text.dispose();
        }
    });

    // 为文本框添加键盘事件
    text.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent event) {
            switch (event.keyCode) {
                // 如果按下的是ESC键,将文本框中的文字清除
                case SWT.ESC : {
                    text.setText("");
                    break;
                }
                // 如果按下的是Enter键,将文本框中的文字置入树节点中
                case SWT.CR : {
                    item.setText(text.getText());
                    // 使文本框失效
                    text.dispose();
                }
            }
        }
    });
    return text;
}