//<applet code=Kadai1209 width=600 height=600></applet>

/*
*/
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.util.*;
import java.applet.*;
class Yuki{
  public int xx,yy,zz;
  public Yuki(int x,int y,int z){
   xx=x;
   yy=y;
   zz=z;
   }
}
class Canvas1202 extends Canvas implements KeyListener,MouseListener{
  Vector YukiArray;
  Image image;
  Random r=new Random();
  Color YukiColor,HelpColor;
  String serifu,help;
  boolean helpwindow=false;
  
  public Canvas1202(){
    super();
    YukiArray=new Vector();
    YukiColor=Color.white;
    serifu="今夜も徹夜か...";
    setSize(600,510);
    addKeyListener(this);
    addMouseListener(this);
    

  }
  
  Image offScreenImage;//画面のちらつきを減らす
  Graphics offScreenGraphics;
  public void update(Graphics g){
    if(offScreenImage==null){
      offScreenImage=createImage(600,510); 
      offScreenGraphics=offScreenImage.getGraphics(); 
    }
    paint(offScreenGraphics); 
    g.drawImage(offScreenImage,0,0,this); 
  }
  


  public void paint(Graphics g){
    int i;
    System.out.println("paint(" + g + ")is called");

    
      g.setColor(Color.blue);
      g.fillRect(0,0,600,510);
      g.setColor(Color.gray);
      g.fillRect(0,255,600,255);
      g.setColor(Color.white);
      g.fillOval(200,255,200,200);
      g.fillOval(250,155,150,150);
      g.fillOval(420,105,150,75);
      int[] x0={490,450,420};
      int[] y0={155,155,205};
      g.fillPolygon(x0,y0,3);
      g.setColor(Color.black);
      int[] x1={350,400,390,295};
      int[] y1={105,125,195,160};
      g.fillPolygon(x1,y1,4);
      g.setFont(new Font("HG創英角ﾎﾟｯﾌﾟ体",Font.PLAIN,18));
      g.drawString(serifu,430,150);
      g.setColor(Color.yellow);
      g.fillOval(100,55,100,100);
      g.setColor(Color.blue);
      g.fillOval(130,55,100,100);
      
    //雪を描く部分
      g.setColor(YukiColor);
      int size=YukiArray.size();
      for(i=0;i<size;i=i+1){
        Yuki Y=(Yuki)YukiArray.elementAt(i);
        g.fillOval( Y.xx , Y.yy , Y.zz , Y.zz );
      }
    if(serifu=="セリフ長いよ！"||serifu=="何か入れろよ！"){
      g.setColor(Color.red);
      g.setFont(new Font("",Font.PLAIN,20));
      g.drawString("┛",345,210);
      g.drawString("┗",355,210);
      g.drawString("┓",345,220);
      g.drawString("┏",355,220);
    }
      if(helpwindow==true){
        g.drawImage(image,90,130,this);
        help=" 閉じる ";
        HelpColor=Color.red;
      }
      else{
        help=" ヘルプ ";
        HelpColor=Color.black;
      }
    g.setColor(Color.cyan);
      g.fill3DRect(5,5,80,25,true);
      g.setColor(HelpColor);
      g.setFont(new Font("",Font.BOLD,14));
      g.drawString(help,15,20);
    
  }
    
    
  
  public void keyPressed(KeyEvent e){
    int key=e.getKeyChar();
    System.out.println("keyPressed("+ e + ","+ key + ")");
    
    
    if(key=='k'){//kを押すたびに雪が描かれる。
      int x1,y1,z1;
      x1=r.nextInt(599)+1;
      y1=r.nextInt(509)+1;
      z1=10 + r.nextInt(9)+1;
      YukiArray.addElement(new Yuki(x1,y1,z1));
     
      helpwindow=false;
    repaint();
    }
   
  }
  public void keyReleased(KeyEvent e){}
  public void keyTyped(KeyEvent e){}
  

  
  public void mouseClicked(MouseEvent e){
  int mx=e.getX(), my=e.getY();
  System.out.println("mouseClicked("+e+","+mx+","+my+")");
    if(5<mx&&mx<80&&5<my&&my<25){
      if(helpwindow==true){
        helpwindow=false;
      }
      else{
        helpwindow=true;
      }
      repaint();
      
    }
  }
  public void mouseReleased(MouseEvent e){}
  public void mousePressed(MouseEvent e){}
  public void mouseEntered(MouseEvent e){}
  public void mouseExited(MouseEvent e){}

  public void clearYuki(){
    serifu="今夜も徹夜か...";
    YukiArray.clear();
    YukiColor=Color.white;
    repaint();
  }
  public void colorYuki(){
    int red,green,blue;
      red=r.nextInt(254)+1;
    green=r.nextInt(254)+1;
    blue=r.nextInt(254)+1;
      
    YukiColor=new Color(red,green,blue);
    repaint();
  }
  public void whiteYuki(){
    YukiColor=Color.white;
    repaint();
  }
}
public class Kadai1209 extends Applet implements ActionListener{
  
  Button clearButton,colorButton,whiteButton;
  TextField textField;
  Canvas1202 mycanvas;
  
  public void init(){

    
    Panel p1=new Panel();

    p1.setLayout(new FlowLayout());
    p1.add(colorButton=new Button("雪の色変更"));
    colorButton.addActionListener(this);
    p1.add(whiteButton=new Button("色クリア"));
    whiteButton.addActionListener(this);
    p1.add(clearButton=new Button("クリア"));
    clearButton.addActionListener(this);
    
    p1.add(textField=new TextField("今夜も徹夜か...",11));
    textField.addActionListener(this);
    setLayout(new BorderLayout());
    add(mycanvas=new Canvas1202(),"North");
    add(p1,"South");
    
    mycanvas.image=getImage(getDocumentBase(),"setsumei2.gif");

    setSize(600,560);
    setVisible(true);
    
    
  }
  public void actionPerformed(ActionEvent e){
    System.out.println(e);
    Object source=e.getSource();
    if(source.equals(clearButton)){
    mycanvas.clearYuki();
    }
    else if(source.equals(colorButton)){
    mycanvas.colorYuki();
    }
    else if(source.equals(whiteButton)){
    mycanvas.whiteYuki();
    }
    else if(source instanceof TextField){
      mycanvas.serifu=e.getActionCommand();
      if(mycanvas.serifu.length()>9){
        mycanvas.serifu="セリフ長いよ！";
      }
      else if(mycanvas.serifu.length()==0){
        mycanvas.serifu="何か入れろよ！";
      }
      mycanvas.repaint();
    }
  }
}