/*
* org.openmicroscopy.shoola.util.ui.Spinner
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2008 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.ui;
//Java imports
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JPanel;
//Third-party libraries
//Application-internal dependencies
/**
*
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
public class Spinner
extends JPanel
implements ActionListener
{
/** Bound property indicating to increase the value. */
public static final String INCREASE_PROPERTY = "increase";
/** Bound property indicating to decrease the value. */
public static final String DECREASE_PROPERTY = "decrease";
/** Action command to increase the value. */
private static final int INCREASE = 0;
/** Action command to decrease the value. */
private static final int DECREASE = 1;
/** The button to decrease the value. */
private JButton minus;
/** The button to increase the value. */
private JButton plus;
/** Initializes the components. */
private void initiliaze()
{
IconManager icons = IconManager.getInstance();
minus = new JButton();
minus.setBorder(BorderFactory.createEmptyBorder()); //No border around icon.
minus.setMargin(new Insets(0, 0, 0, 0));//Just to make sure button sz=icon sz.
minus.setOpaque(false); //B/c button=icon.
minus.setFocusPainted(false); //Don't paint focus box on top of icon.
minus.setRolloverEnabled(true);
minus.setIcon(icons.getIcon(IconManager.MINUS_9));
minus.setRolloverIcon(icons.getIcon(IconManager.MINUS_OVER_9));
minus.setToolTipText("Decrease the value");
minus.addActionListener(this);
minus.setActionCommand(""+DECREASE);
plus = new JButton();
plus.setBorder(BorderFactory.createEmptyBorder()); //No border around icon.
plus.setMargin(new Insets(0, 0, 0, 0));//Just to make sure button sz=icon sz.
plus.setOpaque(false); //B/c button=icon.
plus.setFocusPainted(false); //Don't paint focus box on top of icon.
plus.setRolloverEnabled(true);
plus.setIcon(icons.getIcon(IconManager.PLUS_9));
plus.setRolloverIcon(icons.getIcon(IconManager.PLUS_OVER_9));
plus.setToolTipText("Increase the value");
plus.addActionListener(this);
plus.setActionCommand(""+INCREASE);
}
/** Builds and lays out the UI. */
private void buildGUI()
{
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
setBorder(BorderFactory.createEmptyBorder());
add(plus);
add(minus);
}
/** Creates a new instance, */
public Spinner()
{
initiliaze();
buildGUI();
}
/**
* Fires property change to increase or decrease the value.
* @see ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e)
{
int index = Integer.parseInt(e.getActionCommand());
switch (index) {
case INCREASE:
firePropertyChange(INCREASE_PROPERTY, Boolean.FALSE,
Boolean.TRUE);
break;
case DECREASE:
firePropertyChange(DECREASE_PROPERTY, Boolean.FALSE,
Boolean.TRUE);
}
}
}