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.actions;
029
030import org.opencms.file.CmsObject;
031import org.opencms.file.CmsResource;
032import org.opencms.gwt.shared.CmsCoreData.AdeContext;
033import org.opencms.main.OpenCms;
034import org.opencms.ui.I_CmsDialogContext;
035import org.opencms.ui.contextmenu.CmsMenuItemVisibilityMode;
036import org.opencms.ui.contextmenu.CmsStandardVisibilityCheck;
037import org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility;
038import org.opencms.ui.dialogs.CmsUndoDialog;
039import org.opencms.workplace.explorer.Messages;
040
041import java.util.List;
042import java.util.Map;
043
044/**
045 * The undo dialog action.<p>
046 */
047public class CmsUndoDialogAction extends A_CmsWorkplaceAction implements I_CmsADEAction {
048
049    /** The action id. */
050    public static final String ACTION_ID = "undo";
051
052    /** The action visibility. */
053    public static final I_CmsHasMenuItemVisibility VISIBILITY = CmsStandardVisibilityCheck.UNDO;
054
055    /**
056     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#executeAction(org.opencms.ui.I_CmsDialogContext)
057     */
058    public void executeAction(I_CmsDialogContext context) {
059
060        openDialog(new CmsUndoDialog(context, hasBlockingLocks(context, false)), context);
061    }
062
063    /**
064     * @see org.opencms.ui.actions.I_CmsADEAction#getCommandClassName()
065     */
066    public String getCommandClassName() {
067
068        return "org.opencms.gwt.client.ui.contextmenu.CmsRestore";
069    }
070
071    /**
072     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#getId()
073     */
074    public String getId() {
075
076        return ACTION_ID;
077    }
078
079    /**
080     * @see org.opencms.ui.actions.I_CmsADEAction#getJspPath()
081     */
082    public String getJspPath() {
083
084        return null;
085    }
086
087    /**
088     * @see org.opencms.ui.actions.I_CmsADEAction#getParams()
089     */
090    public Map<String, String> getParams() {
091
092        return null;
093    }
094
095    /**
096     * @see org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility#getVisibility(org.opencms.file.CmsObject, java.util.List)
097     */
098    public CmsMenuItemVisibilityMode getVisibility(CmsObject cms, List<CmsResource> resources) {
099
100        return VISIBILITY.getVisibility(cms, resources);
101    }
102
103    /**
104     * @see org.opencms.ui.actions.A_CmsWorkplaceAction#getVisibility(org.opencms.ui.I_CmsDialogContext)
105     */
106    @Override
107    public CmsMenuItemVisibilityMode getVisibility(I_CmsDialogContext context) {
108
109        I_CmsHasMenuItemVisibility check = VISIBILITY;
110        if (AdeContext.gallery.name().equals(context.getAppId())
111            && OpenCms.getWorkplaceManager().isAllowElementAuthorToWorkInGalleries()) {
112            check = CmsStandardVisibilityCheck.UNDO_AUTHOR;
113        }
114        return check.getVisibility(context.getCms(), context.getResources());
115    }
116
117    /**
118     * @see org.opencms.ui.actions.I_CmsADEAction#isAdeSupported()
119     */
120    public boolean isAdeSupported() {
121
122        return true;
123    }
124
125    /**
126     * @see org.opencms.ui.actions.A_CmsWorkplaceAction#getTitleKey()
127     */
128    @Override
129    protected String getTitleKey() {
130
131        return Messages.GUI_EXPLORER_CONTEXT_UNDOCHANGES_0;
132    }
133}