welcomeview.java

java程序五子棋源代码。 java程序五子棋源代码。

package com.tianxia.qipai.view.universal;


import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Graphics;
import javax.microedition.rms.*;

import java.io.*;

import com.tianxia.qipai.control.universal.*;
import com.tianxia.qipai.event.*;
import com.tianxia.qipai.model.util.CommStructNode;


public class WelcomeView extends Canvas implements Runnable{    //绘制欢迎界面

	private BeginControl begincontrol;     //游戏开始控制模块
	private Image welcomeimage;         //要显示的欢迎图片
	private int imageheight,imagewidth;   //图片的高度和宽度
	private boolean exitflag;       //欢迎界面是否已经退出
	private RecordStore recordstore = null;   //记录存储器
	private CommStructNode commstructnode = null;   //各控制器之间的通信结构
	private boolean Ifrepaint;     //是否重画（重画只画进度条）
	private static int guagemaxlen = 100;  //进度条最长取值为100
	private int achievelen;    //进度分段限制取值
	private  int guagelen,guagewid; //进度条的长和宽    
	private int guageinc;    //进度条增量
	public WelcomeView(BeginControl begincontrol) {
		super();
		// TODO 自动生成构造函数存根
		this.begincontrol = begincontrol;
		exitflag = false;
		welcomeimage = null;
		imageheight = imagewidth = 0;
		Ifrepaint = false;              //置重画标志
		achievelen =  50;    //第一个操作完成最大显示的进度
		guageinc = 5;
		
		try {
			welcomeimage = Image.createImage("/png/title.png");    //读取欢迎图片
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}	
				
	}

	protected void paint(Graphics g) {
		// TODO 自动生成方法存根
		if(!Ifrepaint){    //判断是否调用repaint函数进行重画
			guagelen = 0;
			guagewid = getHeight()/25;   //进度条宽度设为屏幕高度的25分之一
			g.setColor(0,255,255);     //设置画笔颜色
			g.fillRect(0,0,getWidth(),getHeight());   //画背景色
			imagewidth = welcomeimage.getWidth();    
			imageheight = welcomeimage.getHeight();
			//画欢迎图片
			g.drawImage(welcomeimage,(getWidth()-imagewidth)/2,20,Graphics.TOP|Graphics.LEFT);
			welcomeimage = null;
			g.setColor(255,255,255);   //设置进度框的画笔颜色
			//画进度框
			g.drawRect((getWidth()-imagewidth)/2,imageheight+25,guagemaxlen,guagewid);
			Ifrepaint = true;   ////置重画标志
			Thread t = new Thread(this);   
			t.start();   //启动进度条进度控制线程
			UserDataInit();   //初试化用户数据
			
		}
		else   
		{    //画进度条
			g.setColor(255,255,255);  //设置进度条的画笔颜色
			g.fillRect((getWidth()-imagewidth)/2,imageheight + 25,guagelen,guagewid);   //画进度条
						
		}
		
		
		
	}

	
	 public void UserDataInit(){
		 commstructnode = new CommStructNode();
		 achievelen = 80;   //第二个操作完成最大显示的进度
		 try {
			recordstore = RecordStore.openRecordStore("userdata",true);    //打开用户信息的记录存储器
			RecordEnumeration recordenumeration = recordstore.enumerateRecords(null,null,false);
			achievelen = 100;   //第三个操作完成最大显示的进度
			if( recordenumeration.hasNextElement() ){    //判断是否有记录
				String temp = "";
				byte[] byteinputdata = new byte[100];
				ByteArrayInputStream byteinputstream = new ByteArrayInputStream(byteinputdata);
				DataInputStream inputdatastream = new DataInputStream(byteinputstream);
				recordstore.getRecord(recordenumeration.nextRecordId(),byteinputdata,0);
				temp = inputdatastream.readUTF();
				commstructnode.setUserId(temp);   //设置cookies的用户号码
				temp = inputdatastream.readUTF();
				commstructnode.setPassWord(temp);  //设置cookies的密码
			}
			recordstore.closeRecordStore();
			recordenumeration.destroy();
			achievelen = 111;   //表示初试化完成
		} catch (RecordStoreFullException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (RecordStoreNotFoundException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (RecordStoreException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}
		 
		
		 
	 }
	 
		 
	 public void run() {
		//1.初始化事件变量值（即类CommStructNode的事例初始化）
		 //2.从记录存储器中读曲用户的登录号码和密码
		 while(true){
			 try {
					
					Thread.sleep(200);
					guagelen = guagelen + guageinc;
					if( guagelen >= achievelen){
						guagelen = guagelen - guageinc;
						continue;
					}
					if ( guagelen >= 100){
						guagelen = 100;
						repaint();
						break;
			       }
					repaint();			
				  } catch (InterruptedException e) {
							e.printStackTrace();
				  }
				  
		 }
		 MainGameEvent maingameevent = new MainGameEvent();	
		 maingameevent.setByName("stepflag","welcomeviewexit");	  //设置当前游戏的进度
		 maingameevent.setCommNode(commstructnode);    //设置通信结点
		if(!exitflag){
			 
			 welcomeimage = null;
			 begincontrol.rt.gc();
			 begincontrol.handleEvent(UniGameEvent.WELCOMEVIEWEXIT,maingameevent);
			
		}
		
	  
	 }
	 
	 public void setNull(){
		 begincontrol = null;     //游戏开始控制模块
		 welcomeimage = null;         //要显示的欢迎图片
		 recordstore = null;   //记录存储器
		 commstructnode = null;   //各控制器之间的通信结构
		
	 }
}