welcomeform.java

j2me开发的1个简单的wap浏览器.程序框架还是不错的.包括对低级事件的处理.通信框架,标签的解析

/********************************************************************
 * 项目名称				：<b>j2me学习 J2me Wap Explorer</b>			<br/>
 * 
 * Copyright 2005-2006 Wuhua. All rights reserved </br>
 *
 * 本程序只用于学习目的，不能用于商业目的。如有需要请联系作者
 ********************************************************************/
package org.wuhua.wap.main;

import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;

import org.wuhua.wap.Resources;
import org.wuhua.wap.WapExplorer;
import org.wuhua.wap.ui.core.Platform;
import org.wuhua.wap.ui.form.Panel;
 

/**
 * <b>类名：WelcomeForm.java</b> </br> 
 * 编写日期: 2006-12-25 <br/>
 * 程序功能描述： <br/>
 * Demo: <br/>
 * Bug: <br/>
 * 
 * 程序变更日期 ：<br/> 
 * 变更作者 ：<br/> 
 * 变更说明 ：<br/>
 * 
 * @author wuhua </br> <a href="mailto:[e-mail]">[e-mail]</a>
 */
public class WelcomeForm extends Panel implements Runnable{
	  

	private Font font_a = null; // 写logo的字

	private Font font_b = null; // 写其他字

  
	private boolean isLoad;

	private int k[];
	MIDlet midlet;
    private int HEIGHT;
 
	
    public WelcomeForm(MIDlet midlet) {
    	super(null);
		font_a = Font.getFont(Font.FACE_MONOSPACE, Font.STYLE_ITALIC,
				Font.SIZE_LARGE);
		font_b = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN,
				Font.SIZE_SMALL);
		this.midlet = midlet; 
		k = new int[4];
		new Thread(this).start();
		HEIGHT = this.getHeight();
	}

	public void paint(Graphics g) {
		//0x001E67
		g.setColor(0x67686C);		
		g.fillRect(0, 0, Platform.WIDTH, HEIGHT);
		g.setFont(font_a);
		g.setColor(0xFFFFFF);
		g.drawString("Wap Explorer", Platform.WIDTH /2, 10, Graphics.HCENTER | Graphics.TOP);
		g.drawString("Wap Explorer", Platform.WIDTH /2+1, 10, Graphics.HCENTER | Graphics.TOP);
		
		g.setFont(font_b);	 
		g.drawImage(Resources.LOGO, Platform.WIDTH /2,40, Graphics.HCENTER | Graphics.TOP);

		paintPoint(g);

		//g.setColor(0xFFFFF);
		g.drawString("作者：无花", 15, HEIGHT - 3 * font_b.getHeight() - 10, 0);
		g.drawString("版权归无花所有", 15, HEIGHT - 2 * font_b.getHeight() - 10, 0);
		//g.setColor(0xFFDB00);
		//g.setFont(font_b);
		g.drawString("http://wuhua.javaeye.com", 15, HEIGHT - 1 * font_b.getHeight() - 10,
				0);
 
	}


	/**
	 * 绘制点来表示进度
	 */
	private void paintPoint(Graphics g) {
		//g.setColor(0xFFFFFF);
		if(!isLoad)
            g.drawString("程序加载中.", 15, 90, 0);
        else
            g.drawString("按任意键进入.", 15, 90, 0);
		
        //g.setColor(0x6B07C9);
       
        for(int l1 = 0; l1 < k[0]; l1++){
        	 
        	 g.fillRect(15 + l1 * 6, 100 + 12, 3, 3);	
        }
           

        for(int i2 = 0; i2 < k[1]; i2++)
            g.fillRect(15 + i2 * 6, 108 + 12, 3, 3);

        for(int j2 = 0; j2 < k[2]; j2++)
            g.fillRect(15 + j2 * 6, 116 + 12, 3, 3);

        for(int k2 = 0; k2 < k[3]; k2++)
            g.fillRect(15 + k2 * 6, 124 + 12, 3, 3);
	}

	 
	protected void keyPressed(int keyCode) {	 
		if(isLoad){
			WapExplorer.openMainForm();
		}
		
	}

	 
	 
 

	public void run() {
		while(true){		
			 if(!isLoad){
				 try {
					Thread.sleep(100);
				} catch (InterruptedException e) {
					// TODO 自动生成 catch 块
					e.printStackTrace();
				}
				 changePinont();
			     this.repaint();
			  }else{
				  break;
			  }
			 
			 
		}
		
	}
	
	private void changePinont(){
		if(k[0]<12){
			k[0] ++ ;
		}else if(k[1] <20){
			k[1] ++ ;
		}else if(k[2] <26){
			k[2] ++ ;
		}else if(k[3] <32){
			k[3] ++ ;
		}
	}
	
	public void loadResource(){
		
		isLoad = false;
	 
		Resources.loadImages(); // 载入系统所有图片文件
		WapExplorer.initApplicationContent(midlet);  
		isLoad = true;
		repaint();
	}
	 
	protected   void sizeChanged(int w, int h) {
		if (h >  HEIGHT) {
			 
			 HEIGHT = h;
		}
	} 

	
}