/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This 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
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.ade.containerpage.client.ui;

import org.opencms.ade.containerpage.client.CmsContainerpageHandler;
import org.opencms.gwt.client.ui.I_CmsButton;

import com.google.gwt.event.dom.client.ClickEvent;

/**
 * Add to favorites button.<p>
 * 
 * @since 8.0.0
 */
public class CmsAddToFavoritesButton extends A_CmsToolbarOptionButton {

    /**
     * Constructor.<p>
     * 
     * @param handler the container page handler
     */
    public CmsAddToFavoritesButton(CmsContainerpageHandler handler) {

        super(I_CmsButton.ButtonData.ADD_TO_FAVORITES, handler);
    }

    /**
     * @see org.opencms.ade.containerpage.client.ui.A_CmsToolbarOptionButton#createOptionForElement(org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel)
     */
    @Override
    public CmsElementOptionButton createOptionForElement(CmsContainerPageElementPanel element) {

        CmsElementOptionButton button = super.createOptionForElement(element);
        if (element.isNew()) {
            button.disable("Can not add empty element to favorites.");
        }
        return button;
    }

    /**
     * @see org.opencms.ade.containerpage.client.ui.A_CmsToolbarOptionButton#onElementClick(com.google.gwt.event.dom.client.ClickEvent, org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel)
     */
    @Override
    public void onElementClick(ClickEvent event, CmsContainerPageElementPanel element) {

        getHandler().addToFavorites(element.getId());
    }

}