Enable tab context menu (Ext GWT) : Tab « GWT « Java

Enable tab context menu (Ext GWT)

Enable tab context menu (Ext GWT)

 * Ext GWT - Ext for GWT
 * Copyright(c) 2007-2009, Ext JS, LLC.
 * licensing@extjs.com
 * http://extjs.com/license

package com.google.gwt.sample.hello.client;

import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.widget.HorizontalPanel;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.TabItem;
import com.extjs.gxt.ui.client.widget.TabPanel;
import com.extjs.gxt.ui.client.widget.VerticalPanel;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.button.ToggleButton;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.RootPanel;

public class Hello implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(new AdvancedTabExample());
class AdvancedTabExample extends LayoutContainer {

  private int index = 0;
  private TabPanel advanced;

  protected void onRender(Element parent, int pos) {
    super.onRender(parent, pos);
    VerticalPanel vp = new VerticalPanel();

    HorizontalPanel hp = new HorizontalPanel();

    Button add = new Button("Add Tab");
    add.addSelectionListener(new SelectionListener<ButtonEvent>() {
      public void componentSelected(ButtonEvent ce) {
        advanced.setSelection(advanced.getItem(index - 1));

    ToggleButton toggle = new ToggleButton("Enable Tab Context Menu");
    toggle.addListener(Events.Toggle, new Listener<ButtonEvent>() {
      public void handleEvent(ButtonEvent be) {
        advanced.setCloseContextMenu(((ToggleButton) be.getButton()).isPressed());

    advanced = new TabPanel();
    advanced.setSize(600, 250);

    while (index < 7) {



  private void addTab() {
    TabItem item = new TabItem();
    item.setText("New Tab " + ++index);
    item.setClosable(index != 1);
    item.addText("Tab Body " + index);



Ext-GWT.zip( 4,297 k)

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