org.primefaces.model.menu.BaseMenuModel Maven / Gradle / Ivy
/*
* Copyright 2009-2012 PrimeTek.
*
* 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://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.primefaces.model.menu;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
/**
* Base implementation for model of a programmatic menu
*/
public class BaseMenuModel implements MenuModel, Serializable {
public final static String ID_SEPARATOR = "_";
private List elements;
public BaseMenuModel() {
elements = new ArrayList();
}
public void addElement(MenuElement element) {
elements.add(element);
}
public List getElements() {
return elements;
}
public void generateUniqueIds() {
this.generateUniqueIds(getElements(), null);
}
private void generateUniqueIds(List elements, String seed) {
if(elements == null || elements.isEmpty()) {
return;
}
int counter = 0;
for(MenuElement element : elements) {
String id = (seed == null) ? String.valueOf(counter++) : seed + ID_SEPARATOR + counter++;
element.setId(id);
if(element instanceof MenuGroup) {
generateUniqueIds(((MenuGroup) element).getElements(), id);
}
}
}
}