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.restore;
029
030import org.opencms.gwt.client.CmsCoreProvider;
031import org.opencms.gwt.client.rpc.CmsRpcAction;
032import org.opencms.gwt.client.ui.CmsPopup;
033import org.opencms.gwt.client.ui.CmsPushButton;
034import org.opencms.gwt.shared.CmsRestoreInfoBean;
035import org.opencms.util.CmsUUID;
036
037import java.util.List;
038
039/**
040 * A dialog used for undoing changes to a resource and restoring it to its last published state.<p>
041 */
042public class CmsRestoreDialog extends CmsPopup {
043
044    /** The content widget for this dialog. */
045    protected CmsRestoreView m_restoreView;
046
047    /** The structure id of the resource to undo changes for. */
048    protected CmsUUID m_structureId;
049
050    /** The action executed after the changes have been undone. */
051    Runnable m_afterRestoreAction;
052
053    /**
054     * Creates a new instance of this dialog.<p>
055     *
056     * @param structureId the structure id of the resource which should be restored
057     * @param afterRestoreAction the action which will be executed after the resource has been restored
058     */
059    public CmsRestoreDialog(CmsUUID structureId, Runnable afterRestoreAction) {
060
061        super(CmsRestoreMessages.messageRestoreDialogTitle());
062        setModal(true);
063        setGlassEnabled(true);
064        m_structureId = structureId;
065        m_afterRestoreAction = afterRestoreAction;
066    }
067
068    /**
069     * Loads the necessary data for the dialog from the server and shows the dialog.<p>
070     */
071    public void loadAndShow() {
072
073        CmsRpcAction<CmsRestoreInfoBean> action = new CmsRpcAction<CmsRestoreInfoBean>() {
074
075            @Override
076            public void execute() {
077
078                start(0, true);
079                CmsCoreProvider.getVfsService().getRestoreInfo(m_structureId, this);
080            }
081
082            @Override
083            protected void onResponse(CmsRestoreInfoBean result) {
084
085                stop(false);
086                m_restoreView = new CmsRestoreView(result, m_afterRestoreAction);
087                m_restoreView.setPopup(CmsRestoreDialog.this);
088                setMainContent(m_restoreView);
089                List<CmsPushButton> buttons = m_restoreView.getDialogButtons();
090                for (CmsPushButton button : buttons) {
091                    addButton(button);
092                }
093                center();
094            }
095        };
096        action.execute();
097    }
098
099}