initdialog.java

时空图计算和编辑程序

package my_cpt;
import java.awt.*;
import java.awt.image.*;
import super_cpt.*;
import java.io.*;
import java.awt.event.*;
import javax.swing.*;
import data2.Global;
import data2.Square;
public class InitDialog extends SuperDialog implements ActionListener,ItemListener{

	/**
	 * @param args
	 */
	TextField gridtxt=new TextField("30");
	List penlst=new List();
	SuperBtn crbtn=new SuperBtn("创建");
	SuperBtn upbtn=new SuperBtn("刷新");
	SuperBtn okbtn=new SuperBtn("确定");
	SuperBtn nobtn=new SuperBtn("取消");
	MyPane pane=new MyPane();
	FileDialog chooser;
	Timer timer;
	public int lenX=0;
	public boolean isReady=false;
	public int style[]={1,1,1,1};
	private Square mySquare=new Square(0);
	public InitDialog(Frame f)
	{
		super("新建文件",f,true);
		setBounds(387,200,250,240);
		chooser=new FileDialog(f);
		add(pane);
		add(gridtxt);
		add(penlst);
		add(crbtn);
		add(upbtn);
		add(okbtn);
		add(nobtn);
		timer=new Timer(10,this);
		pane.setLocation(0,-pane.getHeight());
		gridtxt.setBounds(95,36,60,16);
		penlst.setBounds(158,55,86,128);
		crbtn.setBounds(penlst.getX()+penlst.getWidth()/2-30,penlst.getY()+penlst.getHeight()+2,30,20);
		upbtn.setBounds(penlst.getX()+penlst.getWidth()/2,penlst.getY()+penlst.getHeight()+2,30,20);
		okbtn.setBounds(95,upbtn.getY()+upbtn.getHeight()+5,30,16);
		nobtn.setBounds(125,okbtn.getY(),30,16);
		upbtn.addActionListener(this);
		okbtn.addActionListener(this);
		nobtn.addActionListener(this);
		crbtn.addActionListener(this);
		penlst.addItemListener(this);
	}
	public BufferedImage image=null;
	public void myPaint(Graphics2D g2)
	{
		g2.setColor(Color.GRAY);
		if(image!=null){
			int width=0,height=0,x=0,y=0;
			if(image.getWidth()>image.getHeight())
			{
				width=150;
				height=image.getHeight()*width/image.getWidth();
				x=5;y=55+75-height/2;
			}else
			{
				height=150;
				width=image.getWidth()*height/image.getHeight();
				x=5+75-width/2;
				y=55;
			}
			g2.drawImage(image,x,y,width,height,this);
		}
		else
			g2.drawString("目前没有有效的图片",22,118);
		g2.drawRect(5,55,150,150);
		g2.setColor(Color.BLACK);
		g2.drawString("图像长度：",30,47);
		g2.drawString("格子30-100",168,47);
	}
	public void showPane(boolean bool)
	{//显示面板
		isOpen=bool;
		timer.start();
		if(!bool)
		{
			updatelst();
		}
	}
	public boolean isOpen=false;
	public void Animation(boolean isopen)
	{
		int dy=(isopen)?8:-8,y=pane.getY();
		boolean stop=false;
		y+=dy;
		if(y>36){
			y=36;
			stop=true;
		}
		if(y<-pane.getHeight()){
			y=-pane.getHeight();
			stop=true;
		}
		pane.setLocation(pane.getX(),y);
		if(stop)timer.stop();
	}
	public void updatelst()
	{//刷新
		File file=new File(Global.PEN_PATH+"/.");
		String str[]=file.list();
		penlst.removeAll();
		for(int i=0;i<str.length;i++)
		{
			if(str[i].substring(str[i].length()-4).equals(".pen"))
				penlst.add(str[i]);
		}
		if(penlst.getItems().length!=0){
			mySquare=getSquare(0);
			image=mySquare.getImage();
			repaint();
		}
	}
	public void setVisible(boolean bool)
	{
		if(bool){
			isReady=false;
			updatelst();
		}
		super.setVisible(bool);
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==timer)
		{
			Animation(isOpen);
		}
		if(e.getSource()==upbtn)
		{//刷新
			updatelst();
		}
		if(e.getSource()==okbtn)
		{//确认
			int i=0;
			try{
				i=Integer.parseInt(gridtxt.getText().trim());
			}catch(Exception ex)
			{
				i=30;
				gridtxt.setText("30");
			}
			if((i-30)*(100-i)>=0)
				lenX=i;
			if(i<30)
			{
				lenX=30;
				gridtxt.setText("30");
			}
			if(i>100)
			{
				lenX=100;
				gridtxt.setText("100");		
			}
			if(mySquare!=null)
				style=mySquare.getGrid();
			isReady=true;
			setVisible(false);
		}
		if(e.getSource()==nobtn)
		{//取消
			isReady=false;
			setVisible(false);
		}
		if(e.getSource()==crbtn)
		{//创建
			showPane(true);
		}
	}
	public void itemStateChanged(ItemEvent e)
	{
		mySquare=getSquare(penlst.getSelectedIndex());
		image=mySquare.getImage();
		repaint();
	}
	public Square getSquare(int index)
	{
		String path=Global.PEN_PATH+"\\"+penlst.getItem(index);
		Square mtmp=null;
		try
		{
			RandomAccessFile reader=new RandomAccessFile(path,"rw");
			byte[] buf=new byte[1024];
			StringBuffer strbuf=new StringBuffer();
			while((reader.read(buf))>0)
			{
				strbuf.append(new String(buf));
			}
			reader.close();
			mtmp=new Square(strbuf.toString());
		}catch(Exception e){};
		return mtmp;
	}
	public class MyPane extends Panel implements ActionListener
	{
		public BufferedImage myimage;
		public Graphics2D myG;
		public SuperBtn mybtn0=new SuperBtn("预览");
		public SuperBtn mybtn1=new SuperBtn("保存");
		public SuperBtn mybtn2=new SuperBtn("取消");
		public TextField txt[]=new TextField[4];

		private Square stmp;
		public MyPane()
		{
			setSize(248,160);
			setLayout(null);
			add(mybtn0);
			add(mybtn1);
			add(mybtn2);
			mybtn0.setBounds(65,140,40,16);
			mybtn1.setBounds(105,140,40,16);
			mybtn2.setBounds(145,140,40,16);
			mybtn0.addActionListener(this);
			mybtn1.addActionListener(this);
			mybtn2.addActionListener(this);
			
			for(int i=0;i<txt.length;i++)
			{
				txt[i]=new TextField("1");
				add(txt[i]);
				txt[i].setBounds(180,110-i*30,50,20);
			}
		}
		public void actionPerformed(ActionEvent e)
		{
			if(e.getSource()==mybtn0)
			{
				int s[]=new int[4];
				for(int i=0;i<4;i++)
				{
					try
					{
						s[i]=Integer.parseInt(txt[i].getText().trim());
						if(s[i]>6)
						{
							s[i]=6;
							txt[i].setText("6");
						}
						if(s[i]<1)
						{
							s[i]=1;
							txt[i].setText("1");
						}
					}catch(Exception ex)
					{
						s[i]=1;
						txt[i].setText("1");
					}
				}
				stmp=new Square(s);
				myimg=stmp.getImage();
				repaint();
			}
			if(e.getSource()==mybtn1)
			{
				int s[]=new int[4];
				for(int i=0;i<4;i++)
				{
					try
					{
						s[i]=Integer.parseInt(txt[i].getText().trim());
						if(s[i]>6)
						{
							s[i]=6;
							txt[i].setText("6");
						}
						if(s[i]<1)
						{
							s[i]=1;
							txt[i].setText("1");
						}
					}catch(Exception ex)
					{
						s[i]=1;
						txt[i].setText("1");
					}
				}
				stmp=new Square(s);
				myimg=stmp.getImage();
				repaint();
				chooser.setMode(FileDialog.SAVE);
				chooser.setTitle("请选择保存位置");
				chooser.setDirectory(Global.PEN_PATH);
				chooser.setVisible(true);
				String path=chooser.getDirectory()+chooser.getFile();
				if(path.substring(path.length()-4).equals(".pen"))
				{
					try
					{
						RandomAccessFile writer=new RandomAccessFile(path,"rw");
						writer.write(stmp.output().getBytes());
						writer.close();
					}catch(Exception ex){}
				}
				showPane(false);
			}
			if(e.getSource()==mybtn2)
			{
				showPane(false);
			}
		}
		public BufferedImage myimg=null;
		public void update(Graphics g)
		{
			int w=getWidth(),h=getHeight();
			if(myimage==null || myG==null)
			{
				myimage=this.getGraphicsConfiguration().createCompatibleImage(w,h);
				myG=myimage.createGraphics();
				myG.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
			}
			myG.setColor(Color.WHITE);
			myG.fillRect(0,0,w,h);
			myG.setColor(Color.BLACK);
			myG.drawString("格数：",145,34);
			myG.drawString("格数：",145,64);
			myG.drawString("格数：",145,94);
			myG.drawString("格数：",145,124);
			if(myimg!=null){
				int width=0,height=0,x=0,y=0;
				if(myimg.getWidth()>myimg.getHeight())
				{
					width=130;
					height=myimg.getHeight()*width/myimg.getWidth();
					x=7;y=75-height/2;
				}else
				{
					height=110;
					width=myimg.getWidth()*height/myimg.getHeight();
					x=65-width/2;
					y=20;
				}
				myG.drawImage(myimg,x,y,width,height,this);
			}
			else
				myG.drawString("目前没有有效的图片",18,getHeight()/2-6);
			myG.setColor(Color.GRAY);
			myG.drawRect(7,20,130,110);
			myG.drawRect(0,0,w-1,h-1);
			paint(g);
		}
		public void paint(Graphics g)
		{
			if(myimage==null)repaint();
			g.drawImage(myimage,0,0,this);
			super.paint(g);
		}
	}

}