NumberSpinner.java

/*
 * Copyright (C) 2015 たんらる
 */

package fourthline.mabiicco.ui.editor;

import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;

/**
 * 
 */
public final class NumberSpinner {

	private NumberSpinner() {}

	public static JSpinner createSpinner(int initial, int min, int max, int step) {
		SpinnerNumberModel model = new SpinnerNumberModel(initial, min, max, step);
		JSpinner spinner = new JSpinner(model);

		spinner.addMouseWheelListener(new MouseWheelListener() {
			@Override
			public void mouseWheelMoved(MouseWheelEvent e) {
				if (!spinner.isEnabled()) {
					return;
				}
				try {
					if (e.getWheelRotation() < 0) {
						spinner.setValue(model.getNextValue());
					} else {
						spinner.setValue(model.getPreviousValue());
					}
				} catch (IllegalArgumentException exception) {}
			}
		});

		return spinner;
	}
}