/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* Spinner.java
* ------------
* (C) Copyright 2002-2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id $
*
* Changes
* -------
* 14-Oct-2002 : Version 1 (DG);
*
*/
package org.jfree.ui;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
/**
* A very basic spinner component, used for demo purposes only.
*
* @author David Gilbert
*/
public class Spinner extends JPanel implements MouseListener {
/** The current value. */
private int value;
/** The text field displaying the value. */
private JTextField textField;
/** The arrow button panel. */
private JPanel buttonPanel;
/** The up button. */
private ArrowPanel upButton;
/** The down button. */
private ArrowPanel downButton;
/**
* Creates a new spinner.
*
* @param value the initial value.
*/
public Spinner(final int value) {
super(new BorderLayout());
this.value = value;
this.textField = new JTextField(Integer.toString(this.value));
this.textField.setHorizontalAlignment(SwingConstants.RIGHT);
add(this.textField);
this.buttonPanel = new JPanel(new GridLayout(2, 1, 0, 1));
this.upButton = new ArrowPanel(ArrowPanel.UP);
this.upButton.addMouseListener(this);
this.downButton = new ArrowPanel(ArrowPanel.DOWN);
this.downButton.addMouseListener(this);
this.buttonPanel.add(this.upButton);
this.buttonPanel.add(this.downButton);
add(this.buttonPanel, BorderLayout.EAST);
}
/**
* Returns the current value.
*
* @return the current value.
*/
public int getValue() {
return this.value;
}
/**
* Receives notification of mouse clicks.
*
* @param e the mouse event.
*/
public void mouseClicked(final MouseEvent e) {
if (e.getSource() == this.upButton) {
this.value++;
this.textField.setText(Integer.toString(this.value));
firePropertyChange("value", this.value - 1, this.value);
}
else if (e.getSource() == this.downButton) {
this.value--;
this.textField.setText(Integer.toString(this.value));
firePropertyChange("value", this.value + 1, this.value);
}
}
/**
* Receives notification of mouse events.
*
* @param e the mouse event.
*/
public void mouseEntered(final MouseEvent e) {
// ignored
}
/**
* Receives notification of mouse events.
*
* @param e the mouse event.
*/
public void mouseExited(final MouseEvent e) {
// ignored
}
/**
* Receives notification of mouse events.
*
* @param e the mouse event.
*/
public void mousePressed(final MouseEvent e) {
// ignored
}
/**
* Receives notification of mouse events.
*
* @param e the mouse event.
*/
public void mouseReleased(final MouseEvent e) {
// ignored
}
}