icollapselistener.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.
*/



/**
 * @author Jakob Jenkov,  Jenkov Development
 */
package com.jenkov.prizetags.tree.itf;

import java.io.Serializable;

/**
 * Collapse listeners are used to listen for node collapses in the tree. Whenever a node
 * is collapsed in the tree, all node collapse listeners are notified.
 */
public interface ICollapseListener {

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