DMDirc-Plugins/src/com/dmdirc/addons/ui_swing/dialogs/actionsmanager/SettingsRevertButton.java

/*
 * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.dmdirc.addons.ui_swing.dialogs.actionsmanager;

import com.dmdirc.config.prefs.PreferencesSetting;
import com.dmdirc.config.prefs.SettingChangeListener;

import java.awt.Insets;

import javax.swing.JButton;

/**
 * Settings revert button.
 */
public class SettingsRevertButton extends JButton implements SettingChangeListener {

    /**
     * A version number for this class. It should be changed whenever the class
     * structure is changed (or anything else that would prevent serialized
     * objects being unserialized with the new class).
     */
    private static final long serialVersionUID = 1;

    /**
     * Instantiates a new settings revert button.
     * 
     * @param setting
     */
    public SettingsRevertButton(final PreferencesSetting setting) {
        super("Revert");

        setting.registerChangeListener(this);
        setMargin(new Insets(0, 2, 0, 2));
        setVisible(false);
    }

    /** {@inheritDoc} */
    @Override
    public void settingChanged(final PreferencesSetting setting) {
        setVisible(setting.needsSaving());
    }
}