001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * bstefanescu 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.webengine.ui.tree.directory; 021 022import java.io.Serializable; 023import java.util.HashMap; 024import java.util.Map; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.core.api.DocumentModel; 029import org.nuxeo.ecm.core.api.DocumentModelList; 030import org.nuxeo.ecm.directory.Directory; 031import org.nuxeo.ecm.directory.Session; 032import org.nuxeo.ecm.webengine.ui.tree.ContentProvider; 033 034/** 035 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 036 */ 037public class DirectoryContentProvider implements ContentProvider { 038 039 private static final Log log = LogFactory.getLog(DirectoryContentProvider.class); 040 041 private static final long serialVersionUID = 1L; 042 043 protected final Session session; 044 045 public DirectoryContentProvider(Session session) { 046 this.session = session; 047 } 048 049 public Session getSession() { 050 return session; 051 } 052 053 protected void createQuery(DocumentModel parent, Map<String, Serializable> query) { 054 String id = parent == null ? null : parent.getId(); 055 query.put("parent", id); 056 } 057 058 public Object[] getElements(Object input) { 059 if (input instanceof Directory) { 060 return getChildren(null); 061 } else { // may be a document 062 return getChildren(input); 063 } 064 } 065 066 public Object[] getChildren(Object obj) { 067 if (obj == null || obj instanceof DocumentModel) { 068 DocumentModel parent = (DocumentModel) obj; 069 Map<String, Serializable> args = new HashMap<String, Serializable>(); 070 createQuery(parent, args); 071 DocumentModelList list = session.query(args); 072 return list.toArray(new DocumentModel[list.size()]); 073 } 074 return null; 075 } 076 077 public boolean isContainer(Object obj) { 078 if (obj instanceof DocumentModel) { 079 return ((DocumentModel) obj).isFolder(); 080 } 081 return false; 082 } 083 084 public String getName(Object obj) { 085 if (obj instanceof DocumentModel) { 086 return ((DocumentModel) obj).getId(); 087 } 088 return null; 089 } 090 091 public String getLabel(Object obj) { 092 if (obj instanceof DocumentModel) { 093 return ((DocumentModel) obj).getName(); 094 } 095 return null; 096 } 097 098 public String[] getFacets(Object object) { 099 return null; 100 } 101 102}