/*
* Copyright 2009-2012 Amazon Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://aws.amazon.com/apache2.0
*
* This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazonaws.eclipse.ec2.utils;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
/**
* Action class to create dynamic Menu objects. The menu is created everytime
* the widget is invoked, enabling the menu to be re-populated with fresh data
*/
public class DynamicMenuAction extends MenuAction {
/**
* Constructor
*
* @param text
* Text that gets displayed on the Menu
* @param toolTip
* Tooltip that gets displayed for the menu
* @param imageDescriptor
* The icon used for the menu
* @param menuHandler
* The MenuHandler object used to manage actions
*/
public DynamicMenuAction(String text, String toolTip,
String imageDescriptor, MenuHandler dropdownMenuHandler) {
super(text, toolTip, imageDescriptor, dropdownMenuHandler);
}
/**
* If there is already a menu from previous, dispose it for being able to
* create a fresh one
*
* @see com.amazonaws.eclipse.ec2.utils.MenuAction#getMenu(Menu parent)
*/
@Override
public Menu getMenu(Control parent) {
if (menu != null) {
menu.dispose();
}
return constructMenu(parent);
}
}