iexpandlistener.java

Tree taglib,生成树的标签库

/*
    Copyright 2004 Jenkov Development

    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 com.jenkov.prizetags.tree.itf;

import java.io.Serializable;

/**
 * The Expand listener is used to listen for expanded nodes in the tree. Whenever a node
 * is expanded in the tree, all expand listeners are notified.
 *
 * @author Jakob Jenkov,  Jenkov Development
 *
 */
public interface IExpandListener  {

    /**
     * This method is called whenever a node is expanded in the tree.
     * @param node The node that was expanded
     * @param tree The tree this node was expanded in.
     */
    public void nodeExpanded(ITreeNode node, ITree tree);

}