001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (C) Alkacon Software (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.ade.sitemap.client.toolbar;
029
030import org.opencms.ade.sitemap.client.CmsSitemapView;
031import org.opencms.ade.sitemap.client.control.CmsSitemapController;
032import org.opencms.gwt.client.I_CmsDisableable;
033import org.opencms.gwt.client.ui.contextmenu.A_CmsContextMenuItem;
034import org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuCommand;
035import org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuHandler;
036import org.opencms.gwt.client.ui.contextmenu.I_CmsHasContextMenuCommand;
037import org.opencms.gwt.shared.CmsContextMenuEntryBean;
038import org.opencms.util.CmsStringUtil;
039import org.opencms.util.CmsUUID;
040
041/**
042 * Context menu entry for the 'Go to parent sitemap' action.<p>
043 */
044public class CmsGoToParentAction implements I_CmsHasContextMenuCommand, I_CmsContextMenuCommand, I_CmsDisableable {
045
046    /**
047     * Returns the context menu command according to
048     * {@link org.opencms.gwt.client.ui.contextmenu.I_CmsHasContextMenuCommand}.<p>
049     *
050     * @return the context menu command
051     */
052    public static I_CmsContextMenuCommand getContextMenuCommand() {
053
054        return new CmsGoToParentAction();
055    }
056
057    /**
058     * @see org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuCommand#execute(org.opencms.util.CmsUUID, org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuHandler, org.opencms.gwt.shared.CmsContextMenuEntryBean)
059     */
060    public void execute(CmsUUID structureId, I_CmsContextMenuHandler handler, CmsContextMenuEntryBean bean) {
061
062        CmsSitemapView.getInstance().getController().gotoParentSitemap();
063    }
064
065    /**
066     * @see org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuCommand#getItemWidget(org.opencms.util.CmsUUID, org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuHandler, org.opencms.gwt.shared.CmsContextMenuEntryBean)
067     */
068    public A_CmsContextMenuItem getItemWidget(
069        CmsUUID structureId,
070        I_CmsContextMenuHandler handler,
071        CmsContextMenuEntryBean bean) {
072
073        return null;
074    }
075
076    /**
077     * @see org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuCommand#hasItemWidget()
078     */
079    public boolean hasItemWidget() {
080
081        return false;
082    }
083
084    /**
085     * @see org.opencms.gwt.client.I_CmsDisableable#isDisabled()
086     */
087    public boolean isDisabled() {
088
089        CmsSitemapController controller = CmsSitemapView.getInstance().getController();
090        return CmsStringUtil.isEmptyOrWhitespaceOnly(controller.getData().getParentSitemap());
091    }
092}