itemmouselistener.java

类似于MSN

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.tsinghua.lumaqq.events;

import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;

import edu.tsinghua.lumaqq.models.FriendModel;
import edu.tsinghua.lumaqq.shells.*;
import edu.tsinghua.swt.widgets.ShutterLabel;

/**
 * 鼠标点在好友的item上时发生的动作
 * 
 * @author 马若劼
 */
public class ItemMouseListener implements MouseListener {
	private MainShell main;
	
	/**
	 * 构造函数
	 * @param main
	 */
	public ItemMouseListener(MainShell main) {
		this.main = main;
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
	 */
	public void mouseDoubleClick(MouseEvent e) {
		// 如果当前提示窗口处于显示状态，隐藏之
		if(main.isTipShellVisible())
			main.closeTipShellNow();
		// 得到源model，如果是好友，则开发好友消息窗口
		//     如果是群，则打开群发窗口
		ShutterLabel item = (ShutterLabel)e.getSource();
		Object modelObj = item.getData();
		if(modelObj instanceof FriendModel)
			main.openNormalMessageShell(item);
		else
			main.openClusterMessageShell(item);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
	 */
	public void mouseDown(MouseEvent e) {		
	    // 没有什么要做的
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
	 */
	public void mouseUp(MouseEvent e) {
		// 如果当前提示窗口处于显示状态，隐藏之
		if(main.isTipShellVisible())
			main.closeTipShellNow();
		// 如果是右键，弹出菜单
		if(e.button == 3) {
			ShutterLabel item = (ShutterLabel)e.getSource();
			Object modelObj = item.getData();
			if(modelObj instanceof FriendModel) {
				main.friendMenu.setLocation(item.toDisplay(e.x, e.y));
				// 这里用一个小trick，把shutterlabel放到menu的data里面
				//     因为如果不这样做的话，没办法知道当前选择的是哪
				//     个好友
				main.friendMenu.setData(item);
				main.friendMenu.setVisible(true);				
			} else {
				// 这里用一个小trick，把shutterlabel放到menu的data里面
				//     因为如果不这样做的话，没办法知道当前选择的是哪
				//     个群组
				main.clusterMenu.setData(item);
				main.clusterMenu.setVisible(true);
			}
		}	
	}
}