001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (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.ui.apps;
029
030import org.opencms.main.OpenCms;
031import org.opencms.ui.A_CmsUI;
032import org.opencms.workplace.CmsWorkplace;
033import org.opencms.workplace.CmsWorkplaceSettings;
034import org.opencms.workplace.tools.I_CmsToolHandler;
035
036import javax.servlet.http.HttpServletRequest;
037
038import com.vaadin.server.ExternalResource;
039import com.vaadin.ui.BrowserFrame;
040import com.vaadin.ui.JavaScript;
041
042/**
043 * App for legacy admin tools. Renders the tool in an iframe.<p>
044 */
045public class CmsLegacyApp extends BrowserFrame implements I_CmsWorkplaceApp {
046
047    /** Name of Javascript variable used to indicate whether we are currently showing a legacy app. */
048    public static final String VAR_IS_LEGACY_APP = "cmsIsLegacyApp";
049
050    /** The serial version id. */
051    private static final long serialVersionUID = -2857100593142358027L;
052
053    /** The tool handler. */
054    private I_CmsToolHandler m_toolHandler;
055
056    /**
057     * Constructor.<p>
058     *
059     * @param toolHandler the tool handler
060     */
061    public CmsLegacyApp(I_CmsToolHandler toolHandler) {
062
063        m_toolHandler = toolHandler;
064        addAttachListener(new AttachListener() {
065
066            private static final long serialVersionUID = 1L;
067
068            public void attach(AttachEvent event) {
069
070                JavaScript.eval(VAR_IS_LEGACY_APP + " = true;");
071
072            }
073        });
074        addDetachListener(new DetachListener() {
075
076            private static final long serialVersionUID = 1L;
077
078            public void detach(DetachEvent event) {
079
080                JavaScript.eval(VAR_IS_LEGACY_APP + " = false;");
081            }
082        });
083        setSizeFull();
084    }
085
086    /**
087     * @see org.opencms.ui.apps.I_CmsWorkplaceApp#initUI(org.opencms.ui.apps.I_CmsAppUIContext)
088     */
089    public void initUI(I_CmsAppUIContext context) {
090
091        context.setAppContent(this);
092        context.showInfoArea(false);
093    }
094
095    /**
096     * @see org.opencms.ui.apps.I_CmsWorkplaceApp#onStateChange(java.lang.String)
097     */
098    public void onStateChange(String state) {
099
100        // only act on initial state change
101        if (getSource() == null) {
102            CmsWorkplace wp = new CmsWorkplace(A_CmsUI.getCmsObject(), CmsAppWorkplaceUi.get().getHttpSession()) {
103
104                @Override
105                protected void initWorkplaceRequestValues(CmsWorkplaceSettings settings, HttpServletRequest request) {
106
107                    // nothing to do
108                }
109            };
110
111            OpenCms.getWorkplaceManager().getToolManager().setCurrentToolPath(wp, m_toolHandler.getPath());
112
113            String url = OpenCms.getLinkManager().substituteLink(A_CmsUI.getCmsObject(), m_toolHandler.getLink());
114            setSource(new ExternalResource(url));
115            setSizeFull();
116        }
117    }
118}