/***********************************************************************

 * mt4j Copyright (c) 2008 - 2009, C.Ruff, Fraunhofer-Gesellschaft All rights reserved.

 *  

 *   This program is free software: you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation, either version 3 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 ***********************************************************************/

package org.mt4j.input.gestureAction;



import org.mt4j.components.MTComponent;

import org.mt4j.components.interfaces.IMTComponent3D;

import org.mt4j.input.inputProcessors.IGestureEventListener;

import org.mt4j.input.inputProcessors.MTGestureEvent;

import org.mt4j.input.inputProcessors.componentProcessors.dragProcessor.DragEvent;







/**

 * The Class DefaultDragAction.

 * @author Christopher Ruff

 */

public class DefaultDragAction implements IGestureEventListener,ICollisionAction  {

	

	/** The drag target. */

	private IMTComponent3D dragTarget;

	

	/** The use custom target. */

	private boolean useCustomTarget;

	

	/** The gesture aborted. */

	private boolean gestureAborted = false;

	

	/** The last event. */

	private MTGestureEvent lastEvent;

	

	/**

	 * Instantiates a new default drag action.

	 */

	public DefaultDragAction(){

		this.useCustomTarget = false;

	}

	

	/**

	 * Instantiates a new default drag action.

	 *

	 * @param dragTarget the drag target

	 */

	public DefaultDragAction(IMTComponent3D dragTarget){

		this.dragTarget = dragTarget;

		this.useCustomTarget = true;

	}

	



	/* (non-Javadoc)

	 * @see org.mt4j.input.inputProcessors.IGestureEventListener#processGestureEvent(org.mt4j.input.inputProcessors.MTGestureEvent)

	 */

	public boolean processGestureEvent(MTGestureEvent g) {

		if (g instanceof DragEvent){

			DragEvent dragEvent = (DragEvent)g;

			lastEvent = dragEvent;

			

			if (!useCustomTarget)

				dragTarget = dragEvent.getTarget(); 

			

			switch (dragEvent.getId()) {

			case MTGestureEvent.GESTURE_STARTED:

			case MTGestureEvent.GESTURE_RESUMED:

				//Put target on top -> draw on top of others

				if (dragTarget instanceof MTComponent){

					MTComponent baseComp = (MTComponent)dragTarget;

					

					baseComp.sendToFront();

					

					/*

					//End all animations of the target

					Animation[] animations = AnimationManager.getInstance().getAnimationsForTarget(dragTarget);

					for (int i = 0; i < animations.length; i++) {

						Animation animation = animations[i];

						animation.stop();

					}

					*/

				}

				if(!gestureAborted)

				{ 	

					dragTarget.translateGlobal(dragEvent.getTranslationVect());

				}

				break;

			case MTGestureEvent.GESTURE_UPDATED:

				if(!gestureAborted)

				{ 	

					dragTarget.translateGlobal(dragEvent.getTranslationVect());

				}

				break;

			case MTGestureEvent.GESTURE_CANCELED:

				break;

			case MTGestureEvent.GESTURE_ENDED:

				break;

			default:

				break;

			}

		}

		return false;

	}





	/* (non-Javadoc)

	 * @see org.mt4j.input.inputProcessors.ICollisionAction#gestureAborted()

	 */

	public boolean gestureAborted() {

		return this.gestureAborted;

	}



	/* (non-Javadoc)

	 * @see org.mt4j.input.inputProcessors.ICollisionAction#getLastEvent()

	 */

	public MTGestureEvent getLastEvent() {

		return this.lastEvent;

	}



	/* (non-Javadoc)

	 * @see org.mt4j.input.inputProcessors.ICollisionAction#setGestureAborted(boolean)

	 */

	public void setGestureAborted(boolean aborted) {

		this.gestureAborted = aborted;

	}



}