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.filehistory;
029
030import org.opencms.ui.CmsVaadinUtils;
031import org.opencms.ui.apps.A_CmsWorkplaceApp;
032import org.opencms.ui.apps.Messages;
033import org.opencms.util.CmsStringUtil;
034
035import java.util.LinkedHashMap;
036import java.util.List;
037
038import com.vaadin.ui.Component;
039
040/**
041 * Class for the file history clear app.<p>
042 */
043public class CmsFileHistoryClearApp extends A_CmsWorkplaceApp {
044
045    /**Mode don't keep versions.*/
046    static final String MODE_DISABLED = "disabled";
047
048    /**Mode keep without versions.*/
049    static final String MODE_WITHOUTVERSIONS = "withoutversions";
050
051    /**Mode keep with versions.*/
052    static final String MODE_WITHVERSIONS = "withversions";
053
054    /**Version disabled option.*/
055    static final int NUMBER_VERSIONS_DISABLED = -2;
056
057    /**Version unlimited option.*/
058    static final int NUMBER_VERSIONS_UNLIMITED = -1;
059
060    /**
061     * @see org.opencms.ui.apps.A_CmsWorkplaceApp#getBreadCrumbForState(java.lang.String)
062     */
063    @Override
064    protected LinkedHashMap<String, String> getBreadCrumbForState(String state) {
065
066        LinkedHashMap<String, String> crumbs = new LinkedHashMap<String, String>();
067
068        //Deeper path
069        if (CmsStringUtil.isEmptyOrWhitespaceOnly(state)) {
070            crumbs.put("", CmsVaadinUtils.getMessageText(Messages.GUI_FILEHISTORY_DELETE_TOOL_NAME_0));
071            return crumbs;
072        }
073
074        return new LinkedHashMap<String, String>(); //size==1 & state was not empty -> state doesn't match to known path
075
076    }
077
078    /**
079     * @see org.opencms.ui.apps.A_CmsWorkplaceApp#getComponentForState(java.lang.String)
080     */
081    @Override
082    protected Component getComponentForState(String state) {
083
084        if (CmsStringUtil.isEmptyOrWhitespaceOnly(state)) {
085            m_rootLayout.setMainHeightFull(false);
086            return new CmsFileHistoryClear(this);
087        }
088        return null;
089    }
090
091    /**
092     * @see org.opencms.ui.apps.A_CmsWorkplaceApp#getSubNavEntries(java.lang.String)
093     */
094    @Override
095    protected List<NavEntry> getSubNavEntries(String state) {
096
097        return null;
098    }
099}