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/**
* Copyright (c) 2006, Sun Microsystems, Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the TimingFramework project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jdesktop.animation.timing.triggers;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.reflect.Method;
import org.jdesktop.animation.timing.*;
/**
* ActionTrigger handles action events and
* starts the animator when actions occur.
* For example, to have anim start when a button is clicked,
* one might write the following:
* <pre>
* ActionTrigger trigger = ActionTrigger.addTrigger(button, anim);
* </pre>
*
* @author Chet
*/
public class ActionTrigger extends Trigger implements ActionListener {
/**
* Creates an ActionTrigger and adds it as a listener to object.
*
* @param object an object that will be used as an event source for
* this trigger. This object must have the method addActionListener.
* @param animator the Animator that start when the event occurs
* @return ActionTrigger the resulting trigger
* @throws IllegalArgumentException if object has no
* <code>addActionListener()</code>
*/
public static ActionTrigger addTrigger(Object object, Animator animator) {
ActionTrigger trigger = new ActionTrigger(animator);
try {
Method addListenerMethod =
object.getClass().getMethod("addActionListener",
ActionListener.class);
addListenerMethod.invoke(object, trigger);
} catch (Exception e) {
throw new IllegalArgumentException("Problem adding listener" +
" to object: " + e);
}
return trigger;
}
/**
* Creates an ActionTrigger that will start the animator upon receiving
* any ActionEvents. It should be added to any suitable object with
* an addActionListener method.
* @param animator the Animator that start when the event occurs
*/
public ActionTrigger(Animator animator) {
super(animator);
}
/**
* Called by an object generating ActionEvents to which this
* trigger was added as an ActionListener. This starts the Animator.
*/
public void actionPerformed(ActionEvent ae) {
fire();
}
}
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