/*
 * 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.sitemap.client.hoverbar;

import org.opencms.ade.sitemap.client.CmsSitemapView;
import org.opencms.ade.sitemap.client.Messages;
import org.opencms.ade.sitemap.client.control.CmsSitemapController;
import org.opencms.ade.sitemap.shared.CmsClientSitemapEntry;
import org.opencms.gwt.client.ui.contextmenu.CmsAvailabilityDialog;
import org.opencms.gwt.client.ui.css.I_CmsImageBundle;

import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.user.client.ui.PopupPanel;

/**
 * Sitemap context menu availability entry.<p>
 * 
 * @since 8.0.0
 */
public class CmsAvailabilityMenuEntry extends A_CmsSitemapMenuEntry {

    /**
     * Constructor.<p>
     * 
     * @param hoverbar the hoverbar 
     */
    public CmsAvailabilityMenuEntry(CmsSitemapHoverbar hoverbar) {

        super(hoverbar);
        setImageClass(I_CmsImageBundle.INSTANCE.contextMenuIcons().availability());
        setLabel(Messages.get().key(Messages.GUI_HOVERBAR_AVAILABILITY_0));
        setActive(true);
    }

    /**
     * @see org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuEntry#execute()
     */
    public void execute() {

        CmsClientSitemapEntry entry = getHoverbar().getEntry();
        CmsAvailabilityDialog dialog = new CmsAvailabilityDialog(
            entry.getId(),
            CmsSitemapView.getInstance().getIconForEntry(entry));
        dialog.addCloseHandler(new CloseHandler<PopupPanel>() {

            public void onClose(CloseEvent<PopupPanel> event) {

                updateEntry();

            }
        });
        dialog.loadAndShow();
    }

    /**
     * @see org.opencms.ade.sitemap.client.hoverbar.A_CmsSitemapMenuEntry#onShow(org.opencms.ade.sitemap.client.hoverbar.CmsHoverbarShowEvent)
     */
    @Override
    public void onShow(CmsHoverbarShowEvent event) {

        CmsSitemapController controller = getHoverbar().getController();
        CmsClientSitemapEntry entry = getHoverbar().getEntry();
        boolean show = (entry != null);
        setVisible(show);
        if (show && (entry != null) && !entry.isEditable()) {
            setActive(false);
            setDisabledReason(controller.getNoEditReason(entry));
        } else {
            setActive(true);
            setDisabledReason(null);
        }
    }

    /**
     * Updates the sitemap entry.<p>
     */
    protected void updateEntry() {

        getHoverbar().getController().updateSingleEntry(getHoverbar().getEntry().getId());
    }
}