// 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;
import java.io.File;
import java.util.Collection;
import java.util.Date;
import org.apache.tapestry.contrib.tree.components.INodeRenderFactory;
import org.apache.tapestry.contrib.tree.components.TreeView;
import org.apache.tapestry.workbench.tree.examples.fsmodel.FileSystem;
import org.apache.tapestry.workbench.tree.examples.fsmodel.FileSystemDataModel;
import org.apache.tapestry.workbench.tree.examples.fsmodel.FileSystemStateManager;
import org.apache.tapestry.workbench.tree.examples.fsmodel.FolderObject;
import org.apache.tapestry.workbench.tree.examples.fsmodel.NodeRenderFactory;
import org.apache.tapestry.contrib.tree.model.TreeStateEvent;
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.ITreeStateListener;
import org.apache.tapestry.contrib.tree.model.ITreeStateModel;
import org.apache.tapestry.contrib.tree.simple.SimpleTreeModel;
import org.apache.tapestry.html.BasePage;
public class FileSystemTree extends BasePage implements ISelectedFolderSource, ITreeStateListener{
private ITreeSessionStateManager m_objTreeSessionStateManager = null;
private ITreeDataModel m_objDataModel;
private ITreeModel m_objModel;
private Object m_objValue;
public FileSystemTree() {
super();
}
protected void initialize() {
super.initialize();
m_objDataModel = null;
m_objValue = null;
m_objTreeSessionStateManager = null;
}
public void initTableModel() {
ITreeNode objParent;
String strRootDir = getRequestCycle().getRequestContext().getServlet().getInitParameter("TreeRootDir");
System.out.println("strRootDir = " + strRootDir);
if (strRootDir == null || "".equals(strRootDir)) {
objParent = new FileSystem();
} else{
FolderObject objFolder = new FolderObject(null, new File(strRootDir), true);
objFolder.reload();
objParent = objFolder;
}
m_objDataModel = new FileSystemDataModel(objParent);
m_objModel = new SimpleTreeModel(m_objDataModel);
}
public Date getCurrentTime() {
return new Date();
}
public ITreeModel getTreeModel() {
if (m_objDataModel == null) {
initTableModel();
}
return m_objModel;
}
/**
* Returns the value.
* @return Object
*/
public Object getValue() {
return m_objValue;
}
/**
* Sets the value.
* @param value The value to set
*/
public void setValue(Object value) {
m_objValue = value;
}
public INodeRenderFactory getRenderFactory() {
return new NodeRenderFactory();
}
public ITreeSessionStateManager getSessionStateManager() {
//IPage objPage = getRequestCycle().getPage("contrib:TreeNodeViewPage");
//System.out.println("TreeNodeViewPage NamespaceId : "+objPage.getNamespace().getNamespaceId());
if (m_objTreeSessionStateManager == null) {
String strRootDir = getRequestCycle().getRequestContext().getServlet().getInitParameter("TreeRootDir");
//System.out.println("strRootDir = " + strRootDir);
m_objTreeSessionStateManager =
new FileSystemStateManager(strRootDir);
}
return m_objTreeSessionStateManager;
}
/**
* @see org.apache.tapestry.workbench.tree.examples.ISelectedFolderSource#getSelectedFolder()
*/
public Collection getSelectedFolderChildren() {
TreeView objTreeView = (TreeView)getComponent("treeView");
ITreeStateModel objTreeStateModel = objTreeView.getTreeModel().getTreeStateModel();
Object objSelectedNodeUID = objTreeStateModel.getSelectedNode();
ITreeNode objSelectedNode = null;
if(objSelectedNodeUID != null)
objSelectedNode = (ITreeNode)getTreeModel().getTreeDataModel().getObject(objSelectedNodeUID);
else{
objSelectedNode = (ITreeNode)getTreeModel().getTreeDataModel().getRoot();
}
return objSelectedNode.getChildren();
}
/**
* @see org.apache.tapestry.contrib.tree.model.ITreeStateListener#treeStateChanged(org.apache.tapestry.contrib.tree.model.TreeStateEvent)
*/
public void treeStateChanged(TreeStateEvent objEvent) {
DirectoryTableView objDirectoryTableView = (DirectoryTableView)getComponent("directoryTableView");
objDirectoryTableView.resetState();
}
public ITreeStateListener getTreeStateListener(){
return this;
}
public ISelectedFolderSource getSelectedFolderSource(){
return this;
}
/**
* @see org.apache.tapestry.workbench.tree.examples.ISelectedFolderSource#getSelectedNodeName()
*/
public String getSelectedNodeName() {
TreeView objTreeView = (TreeView)getComponent("treeView");
ITreeStateModel objTreeStateModel = objTreeView.getTreeModel().getTreeStateModel();
Object objSelectedNodeUID = objTreeStateModel.getSelectedNode();
ITreeNode objSelectedNode = null;
if(objSelectedNodeUID != null)
objSelectedNode = (ITreeNode)getTreeModel().getTreeDataModel().getObject(objSelectedNodeUID);
else{
objSelectedNode = (ITreeNode)getTreeModel().getTreeDataModel().getRoot();
}
return objSelectedNode.toString();
}
}