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World Wind is a collection of components that interactively display 3D geographic information within Java applications or applets.
/*
* Copyright (C) 2012 United States Government as represented by the Administrator of the
* National Aeronautics and Space Administration.
* All Rights Reserved.
*/
package gov.nasa.worldwind.animation;
import java.util.*;
/**
* The AnimationController class is a convenience class for managing a
* group of Animators.
*
* @author jym
* @version $Id: AnimationController.java 1171 2013-02-11 21:45:02Z dcollins $
*/
public class AnimationController extends
HashMap
{
/**
* Starts all of the Animators in the map
*/
public void startAnimations()
{
Collection animators = this.values();
for (Animator a : animators)
{
a.start();
}
}
/**
* Stops all of the Animators in the map
*/
public void stopAnimations()
{
Collection animators = this.values();
for (Animator a : animators)
{
a.stop();
}
}
/**
* Starts the animation associated with animationName
*
* @param animationName the name of the animation to be started.
*/
public void startAnimation(Object animationName)
{
this.get(animationName).start();
}
/**
* Stops the Animator associated with animationName
* @param animationName the name of the animation to be stopped
*/
public void stopAnimation(Object animationName)
{
this.get(animationName).stop();
}
/**
* Stops all Animators in the map.
* @return true if any Animator was started, false otherwise
*/
public boolean stepAnimators()
{
boolean didStep = false;
Collection animators = this.values();
for (Animator a : animators)
{
if (a.hasNext())
{
didStep = true;
a.next();
}
}
return didStep;
}
/**
* Returns true if the controller has any active Animations
*
* @return true if there are any active animations in this CompountAnimation
*/
public boolean hasActiveAnimation()
{
Collection animators = this.values();
for (Animator a : animators)
{
if (a.hasNext())
{
return true;
}
}
return false;
}
}