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; 021 022import org.nuxeo.common.utils.Path; 023 024/** 025 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 026 */ 027public class TreeModelImpl implements TreeModel { 028 029 private static final long serialVersionUID = 1L; 030 031 protected ContentProvider provider; 032 033 protected TreeItem root; 034 035 public TreeModelImpl() { 036 } 037 038 public TreeModelImpl(ContentProvider provider) { 039 this.provider = provider; 040 } 041 042 public ContentProvider getContentProvider() { 043 return provider; 044 } 045 046 public void setContentProvider(ContentProvider provider) { 047 this.provider = provider; 048 } 049 050 public void setInput(Object input) { 051 if (input == null) { 052 root = null; 053 } else { 054 root = new TreeItemImpl(provider, input); 055 } 056 } 057 058 public TreeItem getRoot() { 059 return root; 060 } 061 062 public TreeItem findAndReveal(String path) { 063 return findAndReveal(new Path(path)); 064 } 065 066 public TreeItem find(String path) { 067 return find(new Path(path)); 068 } 069 070 public TreeItem findAndReveal(Path path) { 071 if (root == null) { 072 return null; 073 } 074 return root.findAndReveal(path); 075 } 076 077 public TreeItem find(Path path) { 078 if (root == null) { 079 return null; 080 } 081 Path rootPath = root.getPath(); 082 int p = path.matchingFirstSegments(rootPath); 083 if (p == rootPath.segmentCount()) { 084 return root.find(path.removeFirstSegments(p)); 085 } 086 return null; 087 } 088 089 public Object getInput() { 090 return root == null ? null : root.getObject(); 091 } 092 093 public boolean hasInput() { 094 return root != null; 095 } 096 097}