001/* 002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bstefanescu 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.webengine.ui.tree; 023 024import org.nuxeo.common.utils.Path; 025 026/** 027 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 028 */ 029public class TreeModelImpl implements TreeModel { 030 031 private static final long serialVersionUID = 1L; 032 033 protected ContentProvider provider; 034 035 protected TreeItem root; 036 037 public TreeModelImpl() { 038 } 039 040 public TreeModelImpl(ContentProvider provider) { 041 this.provider = provider; 042 } 043 044 @Override 045 public ContentProvider getContentProvider() { 046 return provider; 047 } 048 049 @Override 050 public void setContentProvider(ContentProvider provider) { 051 this.provider = provider; 052 } 053 054 @Override 055 public void setInput(Object input) { 056 if (input == null) { 057 root = null; 058 } else { 059 root = new TreeItemImpl(provider, input); 060 } 061 } 062 063 @Override 064 public TreeItem getRoot() { 065 return root; 066 } 067 068 @Override 069 public TreeItem findAndReveal(String path) { 070 return findAndReveal(new Path(path)); 071 } 072 073 @Override 074 public TreeItem find(String path) { 075 return find(new Path(path)); 076 } 077 078 @Override 079 public TreeItem findAndReveal(Path path) { 080 if (root == null) { 081 return null; 082 } 083 return root.findAndReveal(path); 084 } 085 086 @Override 087 public TreeItem find(Path path) { 088 if (root == null) { 089 return null; 090 } 091 Path rootPath = root.getPath(); 092 int p = path.matchingFirstSegments(rootPath); 093 if (p == rootPath.segmentCount()) { 094 return root.find(path.removeFirstSegments(p)); 095 } 096 return null; 097 } 098 099 @Override 100 public Object getInput() { 101 return root == null ? null : root.getObject(); 102 } 103 104 public boolean hasInput() { 105 return root != null; 106 } 107 108}