/* | |
* Copyright 2007 the original author or authors. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.codehaus.groovy.binding; | |
import javax.swing.Timer; | |
import java.awt.event.ActionListener; | |
import java.awt.event.ActionEvent; | |
/** | |
* @author <a href="mailto:shemnon@yahoo.com">Danno Ferrin</a> | |
* @version $Revision: 7797 $ | |
* @since Groovy 1.1 | |
*/ | |
public class SwingTimerTriggerBinding implements TriggerBinding { | |
public FullBinding createBinding(SourceBinding source, TargetBinding target) { | |
return new SwingTimerFullBinding((ClosureSourceBinding) source, target); | |
} | |
} | |
/** | |
* @author <a href="mailto:shemnon@yahoo.com">Danno Ferrin</a> | |
* @version $Revision: 7797 $ | |
* @since Groovy 1.1 | |
*/ | |
class SwingTimerFullBinding extends AbstractFullBinding implements ActionListener { | |
Timer timer; | |
long startTime; | |
long duration; | |
int stepSize; | |
boolean reportSteps; | |
boolean reportFraction; | |
boolean reportElapsed; | |
boolean repeat; | |
boolean bound; | |
SwingTimerFullBinding(ClosureSourceBinding source, TargetBinding target) { | |
this(source, target, 50, 1000); | |
} | |
SwingTimerFullBinding(SourceBinding source, TargetBinding target, int interval, int duration) { | |
setSourceBinding(source); | |
setTargetBinding(target); | |
timer = new Timer(interval, this); | |
timer.setInitialDelay(0); | |
timer.setRepeats(true); | |
this.duration = duration; | |
} | |
void resetTimer() { | |
timer.stop(); | |
startTime = System.currentTimeMillis(); | |
timer.start(); | |
} | |
public void bind() { | |
if (!bound) { | |
resetTimer(); | |
bound = true; | |
} | |
} | |
public void unbind() { | |
if (bound) { | |
timer.stop(); | |
bound = false; | |
} | |
} | |
public void rebind() { | |
if (bound) { | |
resetTimer(); | |
} | |
} | |
public void actionPerformed(ActionEvent e) { | |
long currentTime = System.currentTimeMillis(); | |
long elapsed = currentTime - startTime; | |
if (elapsed >= duration) { | |
if (repeat) { | |
startTime = currentTime; | |
} else { | |
timer.stop(); | |
} | |
// no over-runs... | |
elapsed = duration; | |
} | |
// calculate | |
if (reportSteps) { | |
((ClosureSourceBinding)sourceBinding).setClosureArgument( | |
Integer.valueOf((int) (elapsed / stepSize))); | |
} else if (reportFraction) { | |
((ClosureSourceBinding)sourceBinding).setClosureArgument( | |
new Float((float) elapsed / (float) duration)); | |
//in Groovy2.0 use valueOf | |
} else if (reportElapsed) { | |
((ClosureSourceBinding)sourceBinding).setClosureArgument( | |
new Long(elapsed)); | |
//in Groovy2.0 use valueOf | |
} | |
update(); | |
} | |
public long getDuration() { | |
return duration; | |
} | |
public void setDuration(long duration) { | |
this.duration = duration; | |
} | |
public int getInterval() { | |
return timer.getDelay(); | |
} | |
public void setInterval(int interval) { | |
timer.setDelay(interval); | |
} | |
public int getStepSize() { | |
return stepSize; | |
} | |
public void setStepSize(int stepSize) { | |
this.stepSize = stepSize; | |
} | |
public boolean isCoalesce() { | |
return timer.isCoalesce(); | |
} | |
public void setCoalesce(boolean coalesce) { | |
timer.setCoalesce(coalesce); | |
} | |
public boolean isReportSteps() { | |
return reportSteps; | |
} | |
public void setReportSteps(boolean reportSteps) { | |
this.reportSteps = reportSteps; | |
} | |
public boolean isReportFraction() { | |
return reportFraction; | |
} | |
public void setReportFraction(boolean reportFraction) { | |
this.reportFraction = reportFraction; | |
} | |
public boolean isReportElapsed() { | |
return reportElapsed; | |
} | |
public void setReportElapsed(boolean reportElapsed) { | |
this.reportElapsed = reportElapsed; | |
} | |
public boolean isRepeat() { | |
return repeat; | |
} | |
public void setRepeat(boolean repeat) { | |
this.repeat = repeat; | |
} | |
} |