uihelper.java

java写的qq代码实现qq的部分功能

/*
* 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.ui.helper;

import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTException;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;

import edu.tsinghua.lumaqq.IconHolder;
import edu.tsinghua.lumaqq.LumaQQ;
import edu.tsinghua.lumaqq.MessageQueue;
import edu.tsinghua.lumaqq.models.ClusterModel;
import edu.tsinghua.lumaqq.models.FriendModel;
import edu.tsinghua.lumaqq.models.GroupModel;
import edu.tsinghua.lumaqq.models.IQQNode;
import edu.tsinghua.lumaqq.qq.QQ;
import edu.tsinghua.lumaqq.ui.MainShell;
import edu.tsinghua.lumaqq.ui.tool.HeadFactory;
import edu.tsinghua.lumaqq.utils.OptionUtil;
import edu.tsinghua.lumaqq.utils.RemarkUtil;
import edu.tsinghua.lumaqq.xml.remarks.Remark;
import edu.tsinghua.swt.models.INode;
import edu.tsinghua.swt.models.ShutterModel;
import edu.tsinghua.swt.widgets.CoolButton;
import edu.tsinghua.swt.widgets.Shutter;

/**
 * 由于MainShell类比较庞大，所以隔离一部分代码到这个类中，这些方法主要执行
 * 一些界面相关的操作
 * 
 * @author luma
 */
public class UIHelper {	
    /**
     * 闪烁图标
     * 
     * @author luma
     */
    private class Blink implements Runnable {
        private Image blinkImage;
        private boolean flag;
        private volatile boolean stop;
        
        public Blink() {
        	stop = true;
        }
        
        public void setBlinkImage(Image blinkImage) {
            this.blinkImage = blinkImage;
            this.flag = true;
            this.stop = false;
        }

        public void run() {
            try {                      
	            if(flag)
	                main.setTrayItemImage(blinkImage);
	            else
	                main.setTrayItemImage(icons.getImage(IconHolder.icoBlank));
	            flag = !flag;
	            if(!stop)
	                display.timerExec(500, this);
	            else
	                setIconByStatus();
            } catch (SWTException e) {         
                // 这个操作可能会抛出SWTException，如果组件已经dispose的话，
                //     所以我们需要捕捉这个异常，不然程序可能崩溃
            }
        }

		public void setStop(boolean stop) {
			this.stop = stop;
		}

		public boolean isStop() {
			return stop;
		}
    }
    
    private MainShell main;
    private Display display;
    private IconHolder icons;
    private Blink blinkRunnable;
    
    public UIHelper(MainShell main) {
        this.main = main;
        display = main.getDisplay();
        icons = IconHolder.getInstance();
		blinkRunnable = new Blink();
    }        
	
    /**
     * 隐藏view bar
     */
    public void hideViewBar() {
        Composite viewBar = main.getViewBar();
        GridData gd = (GridData)viewBar.getLayoutData();
		gd.widthHint = 2;
		viewBar.getParent().layout();
    }
    
    /**
     * 显示view bar
     */
    public void showViewBar() {
        Composite viewBar = main.getViewBar();
        GridData gd = (GridData)viewBar.getLayoutData();
		gd.widthHint = SWT.DEFAULT;
		viewBar.getParent().layout();
    }
    
	/**
	 * 调整拖动之后的动画状态，因为可能在拖动的时候好友有消息，这个时候是有动画效果的，要注意这种情况
	 * 
	 * @param qqNum 
	 * 			被拖动的好友QQ号码
	 * @param src 
	 * 			开始好友所在的组
	 * @param dest 
	 * 			后来好友所在的组
	 * @param f 
	 * 			好友的model
	 */
	public void adjustAnimateAfterDrag(int qqNum, int src, int dest, FriendModel f) {
		if(main.getMessageQueue().hasMessage(qqNum)) {
		    resetGroupImageEffect(src);
		    resetGroupImageEffect(dest);
			bounceFriendImage(f);
		}
	}	
	
	/**
	 * 使一个好友的头像跳动
	 * @param f 好友的model
	 */
	public void bounceFriendImage(FriendModel f) {
		CoolButton viewPart = main.getMVCHelper().getFriendViewPart(f.getQQ());
		if(viewPart != null) 			
			viewPart.startBounceImage(HeadFactory.getHeadByStatus(f));
	}
	
	/**
	 * 使一个群的头像跳动
	 * 
	 * @param c
	 */
	public void bounceClusterImage(ClusterModel c) {
		CoolButton viewPart = main.getMVCHelper().getClusterViewPart(c.getClusterId());
		if(viewPart != null)
			viewPart.startBounceImage(c.getImage());
	}
	
    /**
     * 开始闪烁图标
     * 
     * @param blinkImage
     * 		要闪烁的图标
     */
    public void startBlinkImage(Image blinkImage) {
        if(!blinkRunnable.isStop()) return;
        blinkRunnable.setBlinkImage(blinkImage);
        display.timerExec(0, blinkRunnable);
    }
    
    /**
     * 停止闪烁
     */
    public void stopBlinkImage() {
        blinkRunnable.setStop(true);
    }

	/**
	 * 隐藏不在线的好友
	 */
	public void showOnlineFriendOnly() {
	    ShutterModel model = main.getModel();
	    Shutter shutter = main.getShutter();
	    
		// 显示在线用户
		int tabSize = model.getTabCount();
		for(int i = 0; i < tabSize; i++) {
			// 对于群组，我们不响应这个菜单事件
			GroupModel g = (GroupModel)model.getTab(i);
			if(g.isCluster() || !g.isFriendly()) continue;
			// 不是群组就隐藏不在线的用户
			int itemSize = model.getItemCount(i);
			if(itemSize > 0) {
				// 为了提高刷新速度，这里用false，然后再统一刷新
				for(int j = 0; j < itemSize; j++) {
					FriendModel f = (FriendModel)model.getItem(i, j);
					if(f.isOffline())
						shutter.hideItem(i, j, false);
				}
				shutter.refreshTabView(i);		
			}
		}
		OptionUtil.getInstance().setShowOnlineOnly(true);
	}
	
	/**
	 * 停止所有在好友和组上的动画效果，如果有的话
	 */
	public void stopAllOtherEffect() {
	    ShutterModel model = main.getModel();
	    Shutter shutter = main.getShutter();
	    
		int tabSize = model.getTabCount();
		for(int i = 0; i < tabSize; i++) {
			CoolButton tab = shutter.getTabControl(i);
			if(tab.isBlinking())
				tab.stopBlinkImage();
			int itemSize = model.getItemCount(i);
			for(int j = 0; j < itemSize; j++) {
				CoolButton item = shutter.getItemControl(i, j);
				if(item.isBouncing())
					item.stopBounceImage();
			}
		}
	}

	/**
	 * 设置好友显示的名称
	 * 
	 * @param pName
	 * 		model中的属性名，这个名称代表了将要做为名称显示的属性
	 */
	public void displayName(String pName) {
	    ShutterModel model = main.getModel();
	    
		int tabSize = model.getTabCount();
		for(int i = 0; i < tabSize; i++) {
			GroupModel g = (GroupModel)model.getTab(i);
			if(!g.isCluster()) {				
				int itemSize = model.getItemCount(i);
				for(int j = 0; j < itemSize; j++) {
					FriendModel f = (FriendModel)model.getItem(i, j);
					if(f.hasProperty(pName)) // 首先检查model中是否有这个属性
						f.addProperty(INode.NAME, f.getProperty(pName));