dialog.java

手机电子书阅读软件基本框架

/********************************************************************
 * 
 * 版权说明，此程序仅供学习参考。不能用于商业
 * 
 ********************************************************************/
package org.pook.ui.form;

import java.util.TimerTask;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;

import org.pook.log.Log;
import org.pook.ui.Command;
import org.pook.ui.SoftButton;
import org.pook.ui.core.Platform;
import org.pook.ui.event.CommandListener;
import org.pook.ui.timer.TimerTaskManager;

 

/**
 * <b>类名：Dialog.java</b> </br> 编写日期: 2006-9-16 <br/>
 * 程序功能描述：弹出窗�?,因为足球项目要求很多的弹出窗口的形式不同�?�? 定义�?个抽象的弹出窗口,把基本的功能再这个实�?,以下的�?�么绘制则交给具体的要求
 * <br/> Demo: <br/> Bug: <br/>
 * 
 * 程序变更日期 �?<br/> 变更作�?? �?<br/> 变更说明 �?<br/>
 * 
 * @author wuhua </br> <a href="mailto:[e-mail]">[e-mail]</a>
 */
public abstract   class Dialog extends Canvas implements Runnable {
	private static Log log = Log.getLog("Dialog");

	protected final int X = 0;

	protected final int Y = 1;

	protected	final int WIDTH = 2;

	protected final int HEIGHT = 3;

	/** 显示主要部分.比如菜单的Icon,List的数据的位置 */
	protected int[] view = new int[4];

	/** Preset alternative containing OK */
	public static final int DIALOG_OK = 0;

	/** Preset alternative containing CANCEL = 1 */
	public static final int DIALOG_CANCEL = 2;

	/** Preset alternatives containing YES and NO */
	public static final int DIALOG_YES_NO = 3;

	/** Preset alternatives containing OK and CANCEL */
	public static final int DIALOG_OK_CANCEL = 4;

	/** Preset alternatives containing YES, NO, and CANCEL */
	public static final int DIALOG_YES_NO_CANCEL = 5;

	public static final int DIALOG_TEXT = 6;

	/**
	 * 保存当前窗口,主要用�?�是,当前对话筐消失的时�??,要求重绘�?. 永远刷新父类
	 */
	protected Panel parent;

	protected boolean hasFocus;

	/**
	 * 定义超时参数
	 */
	long timeOut;

	/**
	 * 对话框类�?
	 */
	int type;

	/** 对话框标�? */
	protected String title;

	/**
	 * 把单行标题转换为多行以方便显�?
	 */
	protected	String[] rowTitle;

	protected int bgColor;

	protected int fontColor;

	protected Font font = Font.getDefaultFont();

	/** 用于执行消失窗口 */
	protected TimerTask task;

	protected Display display;

	protected SoftButton softButton;
	
 
 
	
	
	/**
	 * 构�?�一个默认的标题,父类的窗�?
	 * 
	 * @param title
	 * @param parent
	 */
	public Dialog(String title, Panel parent, Display display) {
		this(title, parent, display, 3000);
	}

	/**
	 * 构�?�一个指定时间的构�?�窗�?
	 * 
	 * @param title
	 * @param parent
	 * @param timeOut
	 */
	public Dialog(String title, Panel parent, Display display, long timeOut) {
		this(title, parent, display, Dialog.DIALOG_OK, timeOut);
	}

	/**
	 * 构�?�一个指定窗口类�?,时间的窗�?
	 * 
	 * @param title
	 * @param parent
	 * @param type
	 * @param timeOut
	 */
	public Dialog(String title, Panel parent, Display display, int type,
			long timeOut) {
 		setFullScreenMode(true);
		
		this.parent = parent;
	    checkParent();
		
		this.timeOut = timeOut;
		this.type = type;
		this.title = title;
		this.display = display;
		
		softButton = new SoftButton();
		
	 
		
		if (timeOut != 0)
			task = TimerTaskManager.getInstace().add(this, timeOut); 
		
		//设置默认的风�?
		setStyle(0x0033FF, 0xFFFFFF);
		
	}

	public void setStyle(int bgColor, int fontColor) {
		this.bgColor = bgColor;
		this.fontColor = fontColor;
	}

	public void cancel() {
		//log.debug("Stop...");
		if (parent == null)
			throw new NullPointerException("Parent is not Null.");
		
		task.cancel();
		if(parent == null)
			return;
		
		display.setCurrent(parent);
		 
	}

	public void addCommand(Command cmd) {
		this.softButton.addCommand(cmd);
	}

	public void setSoftButtonListener(CommandListener cml) {
		this.softButton.setCommandListener(cml);
	}
	
	public void setSoftButtonStyle(int bgColor, int fontColor){
		this.softButton.setStyle(bgColor, fontColor);
	}

	public void run() {
		cancel();

	}

	/** 绘制透明�? * */
   public	void drawRGB(Graphics g) {
		int ai[] = new int[Platform.WIDTH];
		for (int j1 = 0; j1 < ai.length; j1++)
			ai[j1] = 0x90000000;
		g.drawRGB(ai, 0, 0, 0, 0, Platform.WIDTH, Platform.HEIGHT, true); // 绘制透明景色
	}

	 
	 


	private void checkParent() {
		if (parent == null){
			 throw new NullPointerException("Parent is not null");
		}
			
	}

	protected void keyPressed(int keyCode) {
		softButton.onClick(keyCode);
		
	}

	public void setPanel(Panel panel) {
		this.parent = panel;
		
	}

	public void setTimeOut(long timeOut) {
		this.timeOut = timeOut;
	}

	public int getType() {
		return type;
	}

	public void setType(int type) {
		this.type = type;
	}
 
 

 

}