/*
* Slider.java
* SwingOSC
*
* Copyright (c) 2005-2011 Hanns Holger Rutz. All rights reserved.
*
* This software 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, june 1991 of the License, or (at your option) any later version.
*
* This software 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 (gpl.txt) along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* For further information, please contact Hanns Holger Rutz at
* contact@sciss.de
*
*
* Changelog:
* 11-Nov-05 created
* 25-Dec-05 added setValueNoAction (doesn't fire an ActionEvent)
*/
package de.sciss.swingosc;
import java.awt.AWTEventMulticaster;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.BoundedRangeModel;
import javax.swing.InputMap;
import javax.swing.JSlider;
import javax.swing.KeyStroke;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* A simple extention of <code>javax.swing.JSlider</code>
* which adds <code>ActionListener</code> functionality
* and a <code>setValueAction</code> method for programmatically
* dragging the slider.
*
* @author Hanns Holger Rutz
* @version 0.64, 28-Dec-09
*
* @todo could also extend SliderBase
*/
public class Slider
extends JSlider
implements ChangeListener
{
private static final String SIZE_REGULAR = "regular";
private static final String SIZE_SMALL = "small";
private static final String SIZE_MINI = "mini";
private ActionListener al = null;
private boolean isAqua = getUI().getClass().getName().startsWith( "com.apple" );
private String currentSize = SIZE_REGULAR; // re aqua lnf
static {
// Gtk+ plaf stupidly doubles gadget height by painting
// the current value above the slider. so switch it off:
UIManager.put( "Slider.paintValue", Boolean.FALSE );
}
public Slider()
{
super();
init();
}
public Slider( int orientation )
{
super( orientation );
init();
}
public Slider( int min, int max )
{
super( min, max );
init();
}
public Slider( int min, int max, int value )
{
super( min, max, value );
init();
}
public Slider( int orientation, int min, int max, int value )
{
super( orientation, min, max, value );
init();
}
public Slider( BoundedRangeModel brm )
{
super( brm );
init();
}
private void init()
{
addChangeListener( this );
final InputMap imap = getInputMap();
imap.put( KeyStroke.getKeyStroke( KeyEvent.VK_LEFT, 0 ), "none" );
imap.put( KeyStroke.getKeyStroke( KeyEvent.VK_UP, 0 ), "none" );
imap.put( KeyStroke.getKeyStroke( KeyEvent.VK_RIGHT, 0 ), "none" );
imap.put( KeyStroke.getKeyStroke( KeyEvent.VK_DOWN, 0 ), "none" );
if( isAqua ) {
addComponentListener( new ComponentAdapter() {
public void componentResized( ComponentEvent e )
{
updateAquaSize();
}
});
addPropertyChangeListener( "focusable", new PropertyChangeListener() {
public void propertyChange( PropertyChangeEvent e )
{
updateAquaSize();
}
});
addPropertyChangeListener( "orientation", new PropertyChangeListener() {
public void propertyChange( PropertyChangeEvent e )
{
updateAquaSize();
}
});
}
}
protected void updateAquaSize()
{
final String newSize;
switch( getOrientation() ) {
case HORIZONTAL:
final int h = getHeight() - (isFocusable() ? 5 : 0);
if( h > 16 ) {
newSize = SIZE_REGULAR;
} else if( h > 12 ) {
newSize = SIZE_SMALL;
} else {
newSize = SIZE_MINI;
}
break;
case VERTICAL:
final int w = getWidth() - (isFocusable() ? 4 : 0);
if( w > 16 ) {
newSize = SIZE_REGULAR;
} else if( w > 12 ) {
newSize = SIZE_SMALL;
} else {
newSize = SIZE_MINI;
}
break;
default:
newSize = currentSize;
break;
}
if( newSize != currentSize ) {
putClientProperty( "JComponent.sizeVariant", newSize );
repaint();
currentSize = newSize;
}
}
public void setValueNoAction( int n )
{
removeChangeListener( this );
super.setValue( n );
addChangeListener( this );
}
// public void setValueAction( int n )
// {
// setValue( n );
// fireStateChanged();
// }
public synchronized void addActionListener( ActionListener l )
{
al = AWTEventMulticaster.add( al, l );
}
public synchronized void removeActionListener( ActionListener l )
{
al = AWTEventMulticaster.remove( al, l );
}
public void stateChanged( ChangeEvent e )
{
final ActionListener l = al;
if( l != null ) {
l.actionPerformed( new ActionEvent( e.getSource(), ActionEvent.ACTION_PERFORMED, null ));
}
}
}