import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.util.*;

//public class ImageButton extends Canvas implements FocusListener, MouseListener, MouseMotionListener, ComponentListener, KeyListener
public class ImageButton extends Canvas implements MouseListener

{
    private static final String base = "imagebutton";
    private static int nameCounter = 0;

    private String name;
    private Image image;
	Image oldimage;
   private Image image_big;
    private Image dimage;
    private Image bg;
    private transient ActionListener actionListener;
    private String actionCommand;
	private String hint;
    private Dimension dim;
    private boolean visible=false;;
	Show show;
    public ImageButton(Image image, Image big,String actionCommand, Show t, String h){
		image_big=big;
		hint=h;
	button(image,big, actionCommand, t);

  }

    public ImageButton(Image image, String actionCommand, Show t, String h){
	hint=h;
	button(image,image, actionCommand, t);
   }
    public ImageButton(Image image, String actionCommand, Show t){
	button(image,image, actionCommand, t);
   }
/*    public ImageButton(Image image, Image image_big, String actionCommand, Show t)
	{
		button(image,image_big,actionCommand, t);
	}
*/
   public void button(Image image, Image image_big, String actionCommand, Show t){
		show=t;
	    name = base + nameCounter++;
	    this.actionCommand = actionCommand;
	    this.image = image;

/*
		if(image_big != null)
		   this.image_big=image_big;
		else
		  this.image_big=image;
*/

	    dimage=image;
		oldimage=image;
	    //addComponentListener(this);
	    addMouseListener(this);
//	    addMouseMotionListener(this);
//	    addFocusListener(this);
//	    addKeyListener(this);


	    setVisible(false);
	}

    public ImageButton(Image image)
	{
	    this(image, null, null);
	}

	public void setImage(Image im){
		try{
			image=im;
			dimage=im;
			oldimage=im;
			bg=null;
			repaint();
//System.out.println("Setting image ImageButton: "+im.toString());
		}catch(Exception e){System.out.println("Failed setImage !");}
	}
	public void setHintImage(Image im){
//		bg=im;
		image_big=im;
		repaint();
	}
    public String getName()
	{
	    return name;
	}

    public synchronized void addActionListener(ActionListener l)
	{
		if(show!=null)
			show.hidden.requestFocus();

	    actionListener = AWTEventMulticaster.add(actionListener, l);
	}

    public synchronized void removeActionListener(ActionListener l)
	{		show.hidden.requestFocus();

	    actionListener = AWTEventMulticaster.remove(actionListener, l);
	}

    protected void sendActionEvent()
	{
		show.hidden.requestFocus();

	    processEvent(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, getActionCommand()));
	}

    protected void processEvent(AWTEvent e)
	{
		show.hidden.requestFocus();

	    if (e instanceof ActionEvent)
	    {
		processActionEvent((ActionEvent)e);     
		return;
	    }
        super.processEvent(e);
    }

    protected void processActionEvent(ActionEvent e) {
		show.hidden.requestFocus();

        if (actionListener != null) {
            actionListener.actionPerformed(e);
        }
    }

	public void setVisible(boolean o){
		visible=o;
		super.setVisible(o);
		repaint();
	}
    public void setActionCommand(String command)
	{
	    actionCommand = command;
	}

    public String getActionCommand()
	{
	    return (actionCommand == null ? name : actionCommand);
	}

    public boolean isFocusTraversable()
	{
	    return true;
	}

    public void paint(Graphics g)
	{
	    Dimension d = getSize();
	    if (bg == null)
	    {
		bg = createImage(d.width, d.height);
	    }
		if(bg!=null){
			try{
				    Graphics gg = bg.getGraphics();
				    super.paint(gg);
				if(image!=null && gg!=null){
				    gg.drawImage(image,
					  3,
					  4, this);
				}
			}catch(Exception egeg){}

			    if(visible){
				if(g !=null)
				      g.drawImage(bg, 0, 0, this);
			}

		}
	}

//public void mouseDragged(MouseEvent e){}
//    public void mouseMoved(MouseEvent e) {}

    public void mouseClicked(MouseEvent e) {}
    public void mouseEntered(MouseEvent e) {
	if(image_big!=null){
//System.out.println("image_big != null");
		Rectangle d=getBounds();
		Image i=createImage(d.width,d.height);
//System.out.println("Draw  ("+actionCommand+")");

		Graphics g=i.getGraphics();
		
//		g.drawImage(image,0,0,this);


		g.drawImage(image_big, 0,0,this);

		image=i;
			repaint();
	}else{
//System.out.println("Hint not available!");
//System.out.println("image_big == null");
	}
	
   }
    public void mouseExited(MouseEvent e) {
		if(oldimage!=null)
			image=oldimage;

		repaint();
	}
    public void mousePressed(MouseEvent e)
	{
		show.hidden.requestFocus();
		processEvent(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, getActionCommand()));
		show.hidden.requestFocus();

	}
    public void mouseReleased(MouseEvent e)
	{
	}
}