001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (https://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: https://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: https://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.actions;
029
030import org.opencms.file.CmsObject;
031import org.opencms.file.CmsResource;
032import org.opencms.ui.I_CmsDialogContext;
033import org.opencms.ui.contextmenu.CmsMenuItemVisibilityMode;
034import org.opencms.ui.contextmenu.CmsStandardVisibilityCheck;
035import org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility;
036import org.opencms.ui.dialogs.CmsUndoDialog;
037import org.opencms.workplace.explorer.Messages;
038
039import java.util.List;
040import java.util.Map;
041
042/**
043 * The undo dialog action.<p>
044 */
045public class CmsUndoDialogAction extends A_CmsWorkplaceAction implements I_CmsADEAction {
046
047    /** The action id. */
048    public static final String ACTION_ID = "undo";
049
050    /** The action visibility. */
051    public static final I_CmsHasMenuItemVisibility VISIBILITY = CmsStandardVisibilityCheck.UNDO_AUTHOR;
052
053    /**
054     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#executeAction(org.opencms.ui.I_CmsDialogContext)
055     */
056    public void executeAction(I_CmsDialogContext context) {
057
058        openDialog(new CmsUndoDialog(context, hasBlockingLocks(context, false)), context);
059    }
060
061    /**
062     * @see org.opencms.ui.actions.I_CmsADEAction#getCommandClassName()
063     */
064    public String getCommandClassName() {
065
066        return "org.opencms.gwt.client.ui.contextmenu.CmsRestore";
067    }
068
069    /**
070     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#getId()
071     */
072    public String getId() {
073
074        return ACTION_ID;
075    }
076
077    /**
078     * @see org.opencms.ui.actions.I_CmsADEAction#getJspPath()
079     */
080    public String getJspPath() {
081
082        return null;
083    }
084
085    /**
086     * @see org.opencms.ui.actions.I_CmsADEAction#getParams()
087     */
088    public Map<String, String> getParams() {
089
090        return null;
091    }
092
093    /**
094     * @see org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility#getVisibility(org.opencms.file.CmsObject, java.util.List)
095     */
096    public CmsMenuItemVisibilityMode getVisibility(CmsObject cms, List<CmsResource> resources) {
097
098        return VISIBILITY.getVisibility(cms, resources);
099    }
100
101    /**
102     * @see org.opencms.ui.actions.A_CmsWorkplaceAction#getVisibility(org.opencms.ui.I_CmsDialogContext)
103     */
104    @Override
105    public CmsMenuItemVisibilityMode getVisibility(I_CmsDialogContext context) {
106
107        return VISIBILITY.getVisibility(context.getCms(), context.getResources());
108    }
109
110    /**
111     * @see org.opencms.ui.actions.I_CmsADEAction#isAdeSupported()
112     */
113    public boolean isAdeSupported() {
114
115        return true;
116    }
117
118    /**
119     * @see org.opencms.ui.actions.A_CmsWorkplaceAction#getTitleKey()
120     */
121    @Override
122    protected String getTitleKey() {
123
124        return Messages.GUI_EXPLORER_CONTEXT_UNDOCHANGES_0;
125    }
126}