DefaultEntityButton.java

/*
 * Jabox Open Source Version
 * Copyright (C) 2009-2010 Dimitris Kapanidis                                                                                                                          
 * 
 * This file is part of Jabox
 * 
 * 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 3 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, see http://www.gnu.org/licenses/.
 */
package org.jabox.webapp.menubuttons;

import org.apache.wicket.Page;
import org.apache.wicket.markup.html.form.ImageButton;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.persistence.provider.ConfigXstreamDao;
import org.apache.wicket.request.resource.ResourceReference;
import org.apache.wicket.request.resource.SharedResourceReference;
import org.jabox.apis.ConnectorConfig;
import org.jabox.model.DefaultConfiguration;
import org.jabox.webapp.modifiers.TooltipModifier;

public final class DefaultEntityButton<T extends ConnectorConfig> extends
        ImageButton {

    private static final TooltipModifier TOOLTIP_MODIFIER =
        new TooltipModifier("Set as Default");

    private static final ResourceReference DEFAULT_IMG =
        new SharedResourceReference(DefaultEntityButton.class,
            "favorite.png");

    private static final ResourceReference NO_DEFAULT_IMG =
        new SharedResourceReference(DefaultEntityButton.class,
            "favorite-bw.png");

    private static final long serialVersionUID = 1L;

    private final T _item;

    public DefaultEntityButton(final String id, final T item,
            final Class<? extends Page> responsePage) {
        super(id, DEFAULT_IMG);
        _item = item;
        add(TOOLTIP_MODIFIER);
        if (isDefault(item)) {
            setImageResourceReference(DEFAULT_IMG);
        } else {
            setImageResourceReference(NO_DEFAULT_IMG);
        }
    }

    private boolean isDefault(final ConnectorConfig item) {
        DefaultConfiguration dc = ConfigXstreamDao.getConfig();
        if (DefaultConfiguration.TRUE.equals(dc.isDefault(item))) {
            return true;
        }
        return false;
    }

    public DefaultEntityButton(final String id, final ListItem<T> item,
            final Class<? extends Page> responsePage) {
        this(id, item.getModelObject(), responsePage);
    }

    /**
     * Delete from persistent storage, commit transaction.
     */
    @Override
    public void onSubmit() {
        DefaultConfiguration dc = ConfigXstreamDao.getConfig();
        dc.switchDefault(_item);
        ConfigXstreamDao.persist(dc);
    }
}