package com.vci.client.uif.engine.client.compare.dialog.treenode;

import javax.swing.tree.DefaultMutableTreeNode;

/**
 * 树节点
 * @author VCI-STGK006
 *
 */
public class CompareTreeNode extends DefaultMutableTreeNode {
	
	/**
	 * serialVersionUID
	 */
	private static final long serialVersionUID = -2984056831085506041L;
	/**
	 * 节点显示名称
	 */
	private String showName = null;
	
	/**
	 * 构造器
	 */
	public CompareTreeNode() {
		super();
	}
	
	/**
	 * 构造器
	 * @param userObject
	 */
	public CompareTreeNode(String userObject) {
		super(userObject);
	}
	
	/**
	 * 构造器
	 * @param userObject
	 */
	public CompareTreeNode(TreeNodeObject userObject) {
		super(userObject);
		userObject.setOwnedTreeNode(this);
	}
	
	/**
	 * 构造器
	 * @param showName 显示名称
	 * @param userObject
	 */
	public CompareTreeNode(String showName, TreeNodeObject userObject) {
		super(userObject);
		this.showName = showName;
		userObject.setOwnedTreeNode(this);
	}
	
	/**
	 * 构造器
	 * @param userObject
	 * @param allowsChildren
	 */
	public CompareTreeNode(TreeNodeObject userObject, boolean allowsChildren) {
		super(userObject, allowsChildren);
		userObject.setOwnedTreeNode(this);
	}
	
	@Override
	public void setUserObject(Object userObject) {
		if(userObject != null && userObject instanceof TreeNodeObject) {
			throw new IllegalArgumentException("数据类型错误 ： " + userObject.getClass().getName());
		}
		if(this.getUserObject() != null) {
			((CompareTreeNode)getUserObject()).remove(this);
		}
		super.setUserObject(userObject);
		TreeNodeObject tno = (TreeNodeObject) userObject;
		tno.setOwnedTreeNode(this);
	}
	
	/**
	 * 得到显示名称
	 * @return
	 */
	public String getShowName() {
		return showName;
	}

	/**
	 * 设置显示名称
	 * 
	 * @param showName 设置 showName为null时，将返回userObject.toString();
	 */
	public void setShowName(String showName) {
		this.showName = showName;
	}
	
	@Override
	public String toString() {
		if(this.showName == null) {
			return getUserObject().toString();
		} else {
			return this.showName;
		}
	}
}