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.modules.edit; 029 030import org.opencms.ui.components.CmsAutoItemCreatingComboBox; 031import org.opencms.util.CmsFileUtil; 032 033import java.util.Arrays; 034 035import com.vaadin.v7.data.Container; 036 037/** 038 * Helper class used when new options are automatically added to a site selector combo box.<p> 039 */ 040public class CmsSiteSelectorNewValueHandler implements CmsAutoItemCreatingComboBox.I_NewValueHandler { 041 042 /** The property containing the caption. */ 043 private String m_captionPropertyId; 044 045 /** 046 * Creates a new instance.<p> 047 * 048 * @param captionPropertyId the item property containing the caption 049 */ 050 public CmsSiteSelectorNewValueHandler(String captionPropertyId) { 051 052 m_captionPropertyId = captionPropertyId; 053 } 054 055 /** 056 * @see org.opencms.ui.components.CmsAutoItemCreatingComboBox.I_NewValueHandler#ensureItem(com.vaadin.v7.data.Container, java.lang.Object) 057 */ 058 public Object ensureItem(Container cnt, Object id) { 059 060 if (id == null) { 061 return null; 062 } 063 String idStr = (String)id; 064 for (String path : Arrays.asList(idStr, CmsFileUtil.toggleTrailingSeparator(idStr))) { 065 if (cnt.containsId(path)) { 066 return path; 067 } 068 } 069 idStr = CmsFileUtil.addTrailingSeparator(idStr); 070 cnt.addItem(idStr).getItemProperty(m_captionPropertyId).setValue(idStr); 071 return idStr; 072 } 073}