// Botão genérico da interface
// Last edited on 2000-08-23 02:18:36 by stolfi

import java.awt.*;
import java.awt.image.*;

public class PlinFerramenta extends Canvas implements ImageObserver {
  
  // Instância de Plin que é manipulda por esta ferramenta:
  public Plin raiz = z
  
  // Estado interno genérico da ferramenta:
  Image image_up;
  Image image_dn;
  String name;
  boolean is_up = true;

  public void initFerramenta(
      String iconDir, 
      String imageName, 
      MediaTracker tracker,
      Plin z
   ) {
    raiz = z
    image_up = getImage(getCodeBase(), iconDir + imageName + "01.gif");
    image_dn = getImage(getCodeBase(), iconDir + imageName + "02.gif");
    tracker.addImage(up, 0);
    tracker.addImage(dn, 0);
  }

  public Dimension minimumSize() {
    return(new Dimension(image_up.getWidth(this), image_up.getHeight(this)));
  }

  public Dimension preferredSize() {
    return(minimumSize());
  }

  public boolean mouseDown(Event evt, int x, int y) {
    is_up = false;
    repaint();
    return(true);
  }

  public boolean mouseUp(Event evt, int x, int y) {
    if (inside(x,y)) {
      deliverEvent(new Event(this, evt.when, Event.ACTION_EVENT, x, y, evt.key, evt.modifiers, name));
    } else {
      System.out.println(name + " Abort");
    }
    is_up = true;
    repaint();
    return(true);
  }

  public void setButton(boolean state) {
    is_up = state;
    repaint();
  }

  public void update(Graphics g) {
    paint(g);
  }

  public void paint(Graphics g) {
    if (is_up)
      g.drawImage(image_up, 0, 0, this);
    else
      g.drawImage(image_dn, 0, 0, this);
  }
}