/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library 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 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see <http://www.gnu.org/licenses/>.
*/
package com.alee.managers.settings.processors;
import com.alee.managers.settings.SettingsManager;
import com.alee.managers.settings.SettingsProcessor;
import com.alee.managers.settings.SettingsProcessorData;
import javax.swing.*;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
/**
* Custom SettingsProcessor for JScrollBar component.
*
* @author Mikle Garin
* @see <a href="https://github.com/mgarin/weblaf/wiki/How-to-use-SettingsManager">How to use SettingsManager</a>
* @see com.alee.managers.settings.SettingsManager
* @see com.alee.managers.settings.SettingsProcessor
*/
public class JScrollBarSettingsProcessor extends SettingsProcessor<JScrollBar, Integer>
{
/**
* Scroll bar value change listener.
*/
private AdjustmentListener adjustmentListener;
/**
* Constructs SettingsProcessor using the specified SettingsProcessorData.
*
* @param data SettingsProcessorData
*/
public JScrollBarSettingsProcessor ( final SettingsProcessorData data )
{
super ( data );
}
/**
* {@inheritDoc}
*/
@Override
public Integer getDefaultValue ()
{
Integer defaultValue = super.getDefaultValue ();
if ( defaultValue == null )
{
defaultValue = getComponent ().getMinimum ();
}
return defaultValue;
}
/**
* {@inheritDoc}
*/
@Override
protected void doInit ( final JScrollBar scrollBar )
{
adjustmentListener = new AdjustmentListener ()
{
@Override
public void adjustmentValueChanged ( final AdjustmentEvent e )
{
save ();
}
};
scrollBar.addAdjustmentListener ( adjustmentListener );
}
/**
* {@inheritDoc}
*/
@Override
protected void doDestroy ( final JScrollBar scrollBar )
{
scrollBar.removeAdjustmentListener ( adjustmentListener );
adjustmentListener = null;
}
/**
* {@inheritDoc}
*/
@Override
protected void doLoad ( final JScrollBar scrollBar )
{
scrollBar.setValue ( loadValue () );
}
/**
* {@inheritDoc}
*/
@Override
protected void doSave ( final JScrollBar scrollBar )
{
SettingsManager.set ( getGroup (), getKey (), scrollBar.getValue () );
}
}