I have a few sliders that look like this:
//Create the slider
JSlider speedSlider = new JSlider(JSlider.VERTICAL, MIN_SPEED, MAX_SPEED, initValue);
speedSlider.addChangeListener(controller);
speedSlider.setMajorTickSpacing(MAJOR_TICK_SPACING);
speedSlider.setPaintTicks(true);
panel.add(speedSlider);
in my View.java class
there is Controller.java
public class Controller implements ControllerInterface {
//...
@Override
public void stateChanged(ChangeEvent e) {
JSlider source = (JSlider)e.getSource();
if (!source.getValueIsAdjusting()) {
int speed = (int)source.getValue();
if (0 == speed) {
// stop
}
else {
model.setSpeedBody(speed);
}
}
}
}
The problem is that I can not determine from what it was exactly the slider event, how to do it? (ControllerInterface extends ChangeListener)
Test the value of the source:
JSlider source = (JSlider)e.getSource();
if (source == speedSlider) {
...
}
else if (source == gearSlider) {
...
}
Or add a specific listener to each slider, so that each listener is notified of the changes of just one slider:
speedSlider.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
...
}
});