/**
* eobjects.org DataCleaner
* Copyright (C) 2010 eobjects.org
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.eobjects.datacleaner.actions;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JComponent;
import javax.swing.Timer;
public abstract class MoveComponentTimerActionListener implements ActionListener {
private final JComponent component;
private final int x;
private final int y;
private volatile int numSteps;
public MoveComponentTimerActionListener(JComponent component, int x, int y, int numSteps) {
if (numSteps <= 0) {
throw new IllegalArgumentException("numSteps must be a postive number");
}
this.component = component;
this.x = x;
this.y = y;
this.numSteps = numSteps;
}
@Override
public void actionPerformed(ActionEvent e) {
Timer timer = (Timer) e.getSource();
Point location = component.getLocation();
int currentX = location.x;
int currentY = location.y;
if (currentX == x && currentY == y) {
timer.stop();
} else if (numSteps <= 1) {
component.setLocation(x, y);
done();
} else {
int diffX = x - currentX;
diffX = diffX / numSteps;
int diffY = y - currentY;
diffY = diffY / numSteps;
component.setLocation(currentX + diffX, currentY + diffY);
}
numSteps--;
}
protected abstract void done();
}