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.CmsGwtConstants;
033import org.opencms.ui.A_CmsUI;
034import org.opencms.ui.I_CmsDialogContext;
035import org.opencms.ui.components.CmsBasicDialog.DialogWidth;
036import org.opencms.ui.contextmenu.CmsMenuItemVisibilityMode;
037import org.opencms.ui.contextmenu.CmsMenuItemVisibilitySingleOnly;
038import org.opencms.ui.contextmenu.CmsStandardVisibilityCheck;
039import org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility;
040import org.opencms.ui.dialogs.history.CmsHistoryDialog;
041
042import java.util.HashMap;
043import java.util.List;
044import java.util.Map;
045
046/**
047 * The delete dialog action.<p>
048 */
049public class CmsHistoryDialogAction extends A_CmsWorkplaceAction implements I_CmsADEAction {
050
051    /** The action id. */
052    public static final String ACTION_ID = "history";
053
054    /** The action visibility. */
055    public static final I_CmsHasMenuItemVisibility VISIBILITY = new CmsMenuItemVisibilitySingleOnly(
056        CmsStandardVisibilityCheck.DEFAULT);
057
058    /**
059     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#executeAction(org.opencms.ui.I_CmsDialogContext)
060     */
061    public void executeAction(final I_CmsDialogContext context) {
062
063        if (!hasBlockingLocks(context)) {
064            context.start(getTitle(A_CmsUI.get().getLocale()), new CmsHistoryDialog(context), DialogWidth.max);
065        }
066
067    }
068
069    /**
070     * @see org.opencms.ui.actions.I_CmsADEAction#getCommandClassName()
071     */
072    public String getCommandClassName() {
073
074        return "org.opencms.gwt.client.ui.contextmenu.CmsEmbeddedAction";
075    }
076
077    /**
078     * @see org.opencms.ui.actions.I_CmsWorkplaceAction#getId()
079     */
080    public String getId() {
081
082        return ACTION_ID;
083    }
084
085    /**
086     * @see org.opencms.ui.actions.I_CmsADEAction#getJspPath()
087     */
088    public String getJspPath() {
089
090        return null;
091    }
092
093    /**
094     * @see org.opencms.ui.actions.I_CmsADEAction#getParams()
095     */
096    public Map<String, String> getParams() {
097
098        Map<String, String> params = new HashMap<String, String>();
099        params.put(CmsGwtConstants.ACTION_PARAM_DIALOG_ID, this.getClass().getName());
100        return params;
101    }
102
103    /**
104     * @see org.opencms.ui.contextmenu.I_CmsHasMenuItemVisibility#getVisibility(org.opencms.file.CmsObject, java.util.List)
105     */
106    public CmsMenuItemVisibilityMode getVisibility(CmsObject cms, List<CmsResource> resources) {
107
108        return VISIBILITY.getVisibility(cms, resources);
109    }
110
111    /**
112     * @see org.opencms.ui.actions.I_CmsADEAction#isAdeSupported()
113     */
114    public boolean isAdeSupported() {
115
116        return true;
117    }
118
119    /**
120     * @see org.opencms.ui.actions.A_CmsWorkplaceAction#getTitleKey()
121     */
122    @Override
123    protected String getTitleKey() {
124
125        return org.opencms.workplace.explorer.Messages.GUI_EXPLORER_CONTEXT_HISTORY_0;
126    }
127}