/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License 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 org.waveprotocol.wave.client.widget.menu;
import java.util.ArrayList;
import java.util.List;
/**
* Representation of a branch in a menu.
* This representation is totally independent from its rendering.
* <p>
* The root menu is itself modeled as a MenuBranch.
*
*/
public class MenuBranch {
/**
* A <code>MenuBranch</code> is simply a collection of {@link MenuNode}s
*/
/**
* List of all menu items.
*/
private final List<MenuNode> allItems = new ArrayList<MenuNode>();
/**
* @return the collection of menu items.
*/
public List<MenuNode> getAllNodes() {
return allItems;
}
/**
* Appends a menu item.
* @param node menu item to append.
*/
public void append(MenuNode node) {
allItems.add(node);
}
/**
* Adds a menu item to a specific location.
* @param index the location to insert the item starting from the left.
* @param node menu item to add.
*/
public void add(int index, MenuNode node) {
allItems.add(index, node);
}
/**
* Appends a sub menu.
* @param branch sub menu to be appended.
* @param text name of this sub menu to be rendered.
*/
public void append(MenuBranch branch, String text) {
append(branch, text, null, null);
}
/**
* Appends a sub menu.
* @param branch sub menu to be appended.
* @param text name of this sub menu to be rendered.
*/
public void append(MenuBranch branch, String text, String id, String popupDebugClassName) {
MenuNode node = new MenuNode(text, branch, id, popupDebugClassName);
allItems.add(node);
}
/**
* Appends a separator symbol.
*/
public void addDivider() {
MenuNode node = MenuNode.createDivider();
allItems.add(node);
}
}