/*******************************************************************************
 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.proconf.g3d.animation.ui;

import org.eclipse.jface.action.Action;
import org.simantics.proconf.g3d.Activator;
import org.simantics.proconf.g3d.animation.AnimationController;
import org.simantics.proconf.g3d.animation.AnimationSystem;
import org.simantics.proconf.g3d.animation.AnimationSystemListener;



public class AnimationControlCreator {
	
	private AnimationSystem animationSystem;
	
	public AnimationControlCreator(AnimationSystem animationSystem) {
		if (animationSystem == null)
			throw new IllegalArgumentException("AnimationSystem must not be null");
		this.animationSystem = animationSystem;
	}
	
	public Action createStopAction() {
		return new StopAction();
	}
	
	public Action createPauseAction() {
		return new PauseAction();
	}
	
	public Action createPlayAction() {
		return new PlayAction();
	}
	
	private class StopAction extends Action implements AnimationSystemListener {
		
		public StopAction() {
			super();
			this.setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_stop_blue.png"));
			this.setDisabledImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_stop.png"));
			animationSystem.addListener(this);
			if (!animationSystem.isRunning())
				this.setEnabled(false);
		}
		
		public void run() {
			animationSystem.stop();
		}
		
		public void animationAdded(AnimationSystem animationSystem, AnimationController animationController) {
			this.setEnabled(true);
		}
		
		public void animationPaused(AnimationSystem animationSystem) {
			this.setEnabled(true);
		}
		
		public void animationPlay(AnimationSystem animationSystem) {
			this.setEnabled(true);
		}
		
		public void animationStopped(AnimationSystem animationSystem) {
			this.setEnabled(false);
		}
	}
	
	private class PlayAction extends Action implements AnimationSystemListener {
		
		public PlayAction() {
			super();
			this.setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_play_blue.png"));
			this.setDisabledImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_play.png"));
			animationSystem.addListener(this);
			if (!animationSystem.isPause() || !animationSystem.isRunning())
				this.setEnabled(false);
		}
		
		public void run() {
			animationSystem.play();
		}
		
		public void animationAdded(AnimationSystem animationSystem, AnimationController animationController) {
			this.setEnabled(animationSystem.isPause());
		}
		
		public void animationPaused(AnimationSystem animationSystem) {
			this.setEnabled(true);
		}
		
		public void animationPlay(AnimationSystem animationSystem) {
			this.setEnabled(false);
		}
		
		public void animationStopped(AnimationSystem animationSystem) {
			this.setEnabled(false);
		}
	}
	
	private class PauseAction extends Action implements AnimationSystemListener {
		
		public PauseAction() {
			super();
			this.setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_pause_blue.png"));
			this.setDisabledImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/silk/control_pause.png"));
			animationSystem.addListener(this);
			if (animationSystem.isPause() || !animationSystem.isRunning())
				this.setEnabled(false);
		}
		
		public void run() {
			animationSystem.pause();
		}
		
		public void animationAdded(AnimationSystem animationSystem, AnimationController animationController) {
			this.setEnabled(!animationSystem.isPause());
		}
		
		public void animationPaused(AnimationSystem animationSystem) {
			this.setEnabled(false);
		}
		
		public void animationPlay(AnimationSystem animationSystem) {
			this.setEnabled(true);
		}
		
		public void animationStopped(AnimationSystem animationSystem) {
			this.setEnabled(false);
		}
	}

}