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.gwt.client.ui.contextmenu;
029
030import org.opencms.gwt.client.CmsCoreProvider;
031import org.opencms.gwt.client.rpc.CmsRpcAction;
032import org.opencms.gwt.client.ui.CmsNotification;
033import org.opencms.gwt.shared.CmsContextMenuEntryBean;
034import org.opencms.gwt.shared.CmsPreviewInfo;
035import org.opencms.util.CmsUUID;
036
037import com.google.gwt.user.client.Window;
038
039/**
040 * Context menu entry to show a container page.<p>
041 */
042public class CmsShowPage implements I_CmsHasContextMenuCommand, I_CmsContextMenuCommand {
043
044    /**
045     * Gets the context menu command instance.<p>
046     *
047     * @return the context menu command instance
048     */
049    public static I_CmsContextMenuCommand getContextMenuCommand() {
050
051        return new CmsShowPage();
052    }
053
054    /**
055     * @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)
056     */
057    public void execute(final CmsUUID structureId, I_CmsContextMenuHandler handler, CmsContextMenuEntryBean bean) {
058
059        CmsRpcAction<CmsPreviewInfo> previewAction = new CmsRpcAction<CmsPreviewInfo>() {
060
061            @Override
062            public void execute() {
063
064                CmsCoreProvider.getVfsService().getPreviewInfo(structureId, CmsCoreProvider.get().getLocale(), this);
065                start(0, true);
066            }
067
068            @Override
069            protected void onResponse(CmsPreviewInfo result) {
070
071                stop(false);
072                if (result.getPreviewUrl() != null) {
073                    Window.Location.assign(result.getPreviewUrl());
074                } else {
075                    CmsNotification.get().sendAlert(CmsNotification.Type.ERROR, result.getPreviewContent());
076                }
077
078            }
079        };
080        previewAction.execute();
081    }
082
083    /**
084     * @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)
085     */
086    public A_CmsContextMenuItem getItemWidget(
087        CmsUUID structureId,
088        I_CmsContextMenuHandler handler,
089        CmsContextMenuEntryBean bean) {
090
091        return null;
092    }
093
094    /**
095     * @see org.opencms.gwt.client.ui.contextmenu.I_CmsContextMenuCommand#hasItemWidget()
096     */
097    public boolean hasItemWidget() {
098
099        return false;
100    }
101
102}