gamedialogbox.java

j2me游戏引擎 j2me游戏引擎

package cn.org.matrix.gmatrix.gameLab.util.ui;

import javax.microedition.lcdui.Graphics;
import cn.org.matrix.gmatrix.gameLab.control.KeyManager;
/**
 * 游戏对话框类
 * @author cleverpig
 *
 */
public class GameDialogBox extends GameUI implements Runnable{
	//描述文字
	private Description description=null;
	//边缘填充宽度
	private int stuffingWidth=0;
	//边缘填充高度
	private int stuffingHeight=0;
	//选择值
	private int selectedValue=0;
	//定义选择值：确定
	public static int OK=1;
	//定义选择值：取消
	public static int CANCEL=2;
	//定义选择值：超时自动处理
	public static int TIMEOUT=2;
	
	//正在运行标志
	private boolean running=true;
	//计时器
	private int timer=0;
	
	public GameDialogBox(){
		super();
	}
	
	/**
	 * 构造方法
	 * @param stuffingWidth 边缘填充宽度
	 * @param stuffingHeight 边缘填充高度
	 * @param des 描述性文字对象
	 */
	public GameDialogBox(int stuffingWidth,int stuffingHeight,Description des,
			int width,int height,
			int startX,int startY,
			int affirmKey,int cancelKey,
			int type,int bgColor,int uiBgColor, 
			int borderColor,int waitTime){
		super(width,height,startX,startY,affirmKey,cancelKey,type,
				bgColor,uiBgColor,borderColor,waitTime);
		this.stuffingWidth=stuffingWidth;
		this.stuffingHeight=stuffingHeight;
		this.description=des;
	}
	
	/**
	 * 绘制图形
	 */
	public void paint(Graphics g){
		//绘制背景
		g.setColor(this.getColorScheme().getBgColor());
		g.fillRect(0,0,getWidth(),getHeight());
		//画出对话框
		g.setColor(this.getColorScheme().getUIBgColor());
		g.fillRect(this.getScope().getLeftTopCoordinates().getX(),
				this.getScope().getLeftTopCoordinates().getY(),
				this.getScope().getUIWidth(),this.getScope().getUIHeight());
		g.setColor(this.getColorScheme().getUIBorderColor());
		g.drawRect(this.getScope().getLeftTopCoordinates().getX(),
				this.getScope().getLeftTopCoordinates().getY(),
				this.getScope().getUIWidth(),this.getScope().getUIHeight());
		//设置字体
		g.setFont(description.getFont());
		//计算描述性文字的位置
		description.setDescriptionPosition(this.getWidth()/2-description.getFont().stringWidth(description.getContent())/2,
				this.getScope().getLeftTopCoordinates().getY()+this.getScope().getUIHeight()/2+description.getFont().getHeight()/2);
		//画出描述性文字
		g.drawString(description.getContent(),
				description.getDescriptionPosition().getX(),
				description.getDescriptionPosition().getY(),
				Graphics.BOTTOM|Graphics.LEFT);
		
	}
	
	/** 
	 * 处理键盘事件
	 * @param 键盘代码
	 */
	public void keyPressed(int keyCode){
//		System.out.println("系统按键值:"+keyCode);
//		System.out.println("用户按下了:"+KeyManager.getKeyValue(keyCode));
//		System.out.println("确认按钮值:"+this.getAffirmKey());
//		System.out.println("取消按钮值:"+this.getCancelKey());
		//根据用户输入的键盘值，赋值给selectedValue
		if (KeyManager.getKeyValue(getGameAction(keyCode))==this.getAffirmKey()){
			selectedValue=OK;
		}
		if (KeyManager.getKeyValue(getGameAction(keyCode))==this.getCancelKey()){
			selectedValue=CANCEL;
		}
	}
	
	/**
	 * 线程的run方法
	 */
	public void run(){
		System.out.println("对话框启动");
		while(running){
			try{
				Thread.sleep(500);
			}
			catch(Exception ex){
			}
			//根据对话框类型判断是否选择完毕退出线程
			switch(this.getType()){
			case GameUI.NEVERCLOSE_UNTILKEYPRESS:
				if (selectedValue>0){
					running=false;
				}
				break;
			case GameUI.CLOSE_UNTILTIMEOUT:
				if (timer>=this.getWaitTime()){
					selectedValue=TIMEOUT;
					running=false;
				}
				System.out.println("计时器:"+timer);
				timer+=500;
				break;
			}
		}
		System.out.println("对话框退出");
	}
	
	public Description getDescription() {
		return description;
	}

	public void setDescription(Description description) {
		this.description = description;
	}
	
	public int getStuffingHeight() {
		return stuffingHeight;
	}

	public void setStuffingHeight(int stuffingHeight) {
		this.stuffingHeight = stuffingHeight;
	}

	public int getStuffingWidth() {
		return stuffingWidth;
	}

	public void setStuffingWidth(int stuffingWidth) {
		this.stuffingWidth = stuffingWidth;
	}

	public void setSelectedValue(int selectedValue) {
		this.selectedValue = selectedValue;
	}
	
	public int getSelectedValue() {
		return selectedValue;
	}

	public boolean isRunning() {
		return running;
	}

	public void setRunning(boolean running) {
		this.running = running;
	}

	public int getTimer() {
		return timer;
	}

	public void setTimer(int timer) {
		this.timer = timer;
	}

}