CatchAction.java

/*
 *  CatchAction.java
 *  Eisenkraut
 *
 *  Copyright (c) 2004-2016 Hanns Holger Rutz. All rights reserved.
 *
 *  This software is published under the GNU General Public License v3+
 *
 *
 *	For further information, please contact Hanns Holger Rutz at
 *	contact@sciss.de
 */

package de.sciss.eisenkraut.gui;

import de.sciss.app.AbstractApplication;
import de.sciss.app.DynamicAncestorAdapter;
import de.sciss.app.DynamicPrefChangeManager;
import de.sciss.eisenkraut.util.PrefsUtil;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.util.prefs.PreferenceChangeEvent;
import java.util.prefs.PreferenceChangeListener;
import java.util.prefs.Preferences;

/**
 *	A class implementing the <code>Action</code> interface
 *	which deals with the catch (timeline position) setting. Each instance
 *	generates a toggle button suitable for attaching to a tool bar;
 *	this button reflects the catch preferences settings.
 */
@SuppressWarnings("serial")
public class CatchAction
        extends AbstractAction
        implements PreferenceChangeListener {

    private final JToggleButton b;
    private final Preferences prefs;

    /**
     *	Creates a new instance of an action
     *	that tracks blending changes
     */
    public CatchAction(Preferences prefs) {
        super();
        this.prefs = prefs;
        putValue(Action.SHORT_DESCRIPTION, AbstractApplication.getApplication().getResourceString("ttTimelineCatch"));
        b = new JToggleButton(this);
        GraphicsUtil.setToolIcons(b, GraphicsUtil.createToolIcons(GraphicsUtil.ICON_CATCH));
        new DynamicAncestorAdapter(new DynamicPrefChangeManager(prefs,
                new String[]{PrefsUtil.KEY_CATCH}, this)).addTo(b);
    }

    /**
     *	Returns the toggle button
     *	which is connected to this action.
     *
     *	@return	a toggle button which is suitable for tool bar display
     */
    public JToggleButton getButton() {
        return b;
    }

    private void updateButtonState() {
        b.setSelected(prefs.getBoolean(PrefsUtil.KEY_CATCH, false));
    }

    public void actionPerformed( ActionEvent e )
    {
        prefs.putBoolean( PrefsUtil.KEY_CATCH, b.isSelected() );
    }

    public void preferenceChange( PreferenceChangeEvent e )
    {
        updateButtonState();
    }
}