How to use

registerMethod

method

in

processing.core.PApplet

/**
 * @param parent
 */
public OpenIMAJ(PApplet parent) {
  this();
  this.parent = parent;
  parent.registerMethod("dispose", this);
  parent.registerMethod("pre", this);
}

public void automaticMode() {
  registered = true;
  // Before drawing. 
  parent.registerMethod("pre", this);
  // At the end of drawing.
  parent.registerMethod("draw", this);
}

/**
 * Register the "post" method, this is used to change the window location.
 */
private void registerPost() {
  applet.registerMethod("post", this);
}

public void setParent(PApplet applet) {
  this.parent = applet;
  applet.registerMethod("dispose", this);
}

private void registerKey() {
  applet.registerMethod("keyEvent", this);
}

private void register() {
  this.isRegistered = true;
  parent.registerMethod("pre", this);
  parent.registerMethod("draw", this);
  // IDEA: register to save/load automatically. 
  parent.registerMethod("keyEvent", this);
  // Do this so that the display is the last rendered.
  mainDisplay.registerAgain();
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
  } else {
    applet.unregisterMethod("draw", this);            
  }
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
  } else {
    applet.unregisterMethod("draw", this);
  }
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
  } else {
    applet.unregisterMethod("draw", this);            
  }
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
    applet.registerMethod("mouseEvent", this);
  } else {
    applet.unregisterMethod("draw", this);
    applet.unregisterMethod("mouseEvent", this);
  }
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
    applet.registerMethod("mouseEvent", this);
  } else {
    applet.unregisterMethod("draw", this);
    applet.unregisterMethod("mouseEvent", this);
  }
}

private void setActive(boolean active) {
  if (active) {
    applet.registerMethod("dispose", this);
    applet.registerMethod("draw", this);
    applet.registerMethod("mouseEvent", this);
  } else {
    applet.unregisterMethod("draw", this);
    applet.unregisterMethod("mouseEvent", this);
  }
}

/**
 * May or may not be required for use in Web Applet it works so why worry as
 * used by Jonathan Feinberg peasycam, and that works OK
 *
 * @param active boolean
 */
final void setActive(boolean active) {
  if (active != isActive) {
    isActive = active;
    if (active) {
      this.parent.registerMethod("dispose", this);
      this.parent.registerMethod("pre", this);
      this.parent.registerMethod("mouseEvent", this);
      this.parent.registerMethod("keyEvent", this);
    } else {
      this.parent.unregisterMethod("pre", this);
      this.parent.unregisterMethod("mouseEvent", this);
      this.parent.unregisterMethod("keyEvent", this);
    }
  }
}

/**
* Register or unregister reflection methods
* @param active
*/
final void setActive(boolean active) {
 if (active) {
  this.app.registerMethod("pre", this);
  this.app.registerMethod("draw", this);
  this.app.registerMethod("post", this);
  this.app.registerMethod("mouseEvent", this);
  this.app.registerMethod("keyEvent", this);
  this.app.registerMethod("dispose", this);
 } else {
  this.app.unregisterMethod("pre", this);
  this.app.unregisterMethod("draw", this);
  this.app.unregisterMethod("post", this);
  this.app.unregisterMethod("mouseEvent", this);
  this.app.unregisterMethod("keyEvent", this);
 }
}