| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.workbench.tree.examples.fsmodel; |
| |
| import java.io.File; |
| |
| import org.apache.tapestry.contrib.tree.model.ITreeDataModel; |
| import org.apache.tapestry.contrib.tree.model.ITreeModel; |
| import org.apache.tapestry.contrib.tree.model.ITreeNode; |
| import org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager; |
| import org.apache.tapestry.contrib.tree.model.ITreeStateModel; |
| import org.apache.tapestry.contrib.tree.simple.SimpleTreeModel; |
| |
| /** |
| * @author ceco |
| */ |
| public class FileSystemStateManager implements ITreeSessionStateManager { |
| private String m_strRootDir; |
| |
| /** |
| * Constructor for FileSystemStateManager. |
| */ |
| public FileSystemStateManager(String strRootDir) { |
| super(); |
| m_strRootDir = strRootDir; |
| } |
| |
| /** |
| * @see org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager#getSessionState(ITreeModel) |
| */ |
| public Object getSessionState(ITreeModel objModel) { |
| return objModel.getTreeStateModel(); |
| } |
| |
| /** |
| * @see org.apache.tapestry.contrib.tree.model.ITreeSessionStateManager#getModel(Object) |
| */ |
| public ITreeModel getModel(Object objSessionState) { |
| ITreeStateModel objStateModel = (ITreeStateModel) objSessionState; |
| |
| ITreeNode objParent; |
| |
| if (m_strRootDir == null || "".equals(m_strRootDir)) { |
| objParent = new FileSystem(); |
| } else { |
| FolderObject objFolder = new FolderObject(null, new File(m_strRootDir), true); |
| objFolder.reload(); |
| objParent = objFolder; |
| } |
| |
| ITreeDataModel objDataModel = new FileSystemDataModel(objParent); |
| ITreeModel objModel = new SimpleTreeModel(objDataModel, |
| objStateModel); |
| |
| return objModel; |
| } |
| } |