// Copyright 2004, 2005 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;
import org.apache.tapestry.engine.IEngineService;
/**
* @author ceco
*/
public class FileSystemStateManager implements ITreeSessionStateManager
{
private String m_strRootDir;
private final IEngineService _assetService;
/**
* Constructor for FileSystemStateManager.
*/
public FileSystemStateManager(String strRootDir, IEngineService assetService)
{
super();
m_strRootDir = strRootDir;
_assetService = assetService;
}
/**
* @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(_assetService);
}
else
{
FolderObject objFolder = new FolderObject(null, new File(m_strRootDir), true, _assetService);
objFolder.reload();
objParent = objFolder;
}
ITreeDataModel objDataModel = new FileSystemDataModel(objParent);
ITreeModel objModel = new SimpleTreeModel(objDataModel, objStateModel);
return objModel;
}
}