messagepane.java

时空图计算和编辑程序

package my_cpt;
import super_cpt.*;
import javax.swing.ImageIcon;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.Calendar;
import java.awt.image.*;
public class MessagePane extends SuperPane implements ActionListener{

	/**
	 * 消息面板
	 */
	private ArrayList msglst=new ArrayList();//消息队列
	private Message actmsg=null;
	//public SuperBtn okbtn=new SuperBtn("ok");
	public SuperBtn prebtn=new SuperBtn("<<上一条");
	public SuperBtn nxtbtn=new SuperBtn("下一条>>");
	private static final Dimension btnsize=new Dimension(65,16);
	public ImageIcon icon ;
	public MessagePane()
	{
		super("消息面板");
		this.setLayout(null);
		//setSize(400,66);
		//add(okbtn);
		add(prebtn);
		add(nxtbtn);
		//okbtn.setBounds(390-btnsize.width*3,60-btnsize.height,btnsize.width,btnsize.height);
		prebtn.setBounds(784-btnsize.width*2,62-btnsize.height,btnsize.width,btnsize.height);
		nxtbtn.setBounds(784-btnsize.width*1,62-btnsize.height,btnsize.width,btnsize.height);
		//okbtn.addActionListener(this);
		prebtn.addActionListener(this);
		nxtbtn.addActionListener(this);
		Direction=-1;
		//URL url=this.getClass().getResource("light.png");
		//System.out.println(url.getPath());
		icon = new ImageIcon("Images\\light.png");
		HidenSide=BUTTOM;
	}
	public void ShowMessage(String msg)
	{//显示消息
		if(msg==null)return;
		Message mtmp=new Message(msg,msglst.size());
		actmsg=mtmp;
		msglst.add(mtmp);
		repaint();
	}
	public void Clear()
	{
		msglst.clear();
		actmsg=null;
	}
	public void setActMessage(int index)
	{//获取消息
		if(index*(msglst.size()-index-1)>=0){
			actmsg=(Message)msglst.get(index);
		}
	}
	public void actionPerformed(ActionEvent e)
	{
		/*if(e.getSource()==okbtn)
		{
			if(iexcuter!=null)
				iexcuter.Confirm(this,IActionExcutor.LEFT);
		}*/
		if(actmsg==null)return;
		if(e.getSource()==prebtn)
		{
			setActMessage(actmsg.serialNum-1);
			repaint();
		}
		if(e.getSource()==nxtbtn)
		{
			setActMessage(actmsg.serialNum+1);
			repaint();
		}
	}
	public BufferedImage transport=null;
	public void myPaint(Graphics2D g)
	{
		g2.setColor(Color.GREEN);
		g2.fillRect(5,25,getWidth()-8,20);
		//绘制图像
		int dx=0;
		if(icon!=null){
			dx=icon.getIconWidth()+5;
			g.drawImage(icon.getImage(),6,22,40,40,this);
		}
		
		//绘制内容
		g2.setColor(Color.BLACK);
		if(actmsg!=null)
		{
			g2.drawString(actmsg.message,dx+6,40);
			g2.drawString(actmsg.detail+"/"+msglst.size(),6+dx,60);
		}
		else{
			g2.drawString("目前没有有效消息",6,40);
			g2.drawString("目前没有详细消息",6,60);
		}
	}
	public class Message{
		String message;
		int serialNum;
		String time;
		final String detail;
		public Message(String str,int index)
		{//构造消息
			Calendar date=Calendar.getInstance();
			message=str;
			serialNum=index;
			time=date.get(Calendar.HOUR_OF_DAY)+":"+date.get(Calendar.MINUTE)+":"
				+date.get(Calendar.SECOND);
			detail="MessageTime:["+time+"]/NO."+(serialNum+1);
		}
	}

}