// 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 org.apache.tapestry.IMarkupWriter;
import org.apache.tapestry.IRender;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.asset.PrivateAsset;
import org.apache.tapestry.contrib.tree.components.INodeRenderFactory;
import org.apache.tapestry.contrib.tree.model.ITreeDataModel;
import org.apache.tapestry.contrib.tree.model.ITreeModelSource;
import org.apache.tapestry.contrib.tree.model.ITreeStateModel;
/**
* @author ceco
*/
public class NodeRenderFactory implements INodeRenderFactory {
/**
* Constructor for NodeRenderFactory.
*/
public NodeRenderFactory() {
super();
}
public IRender getRenderByID(Object objUniqueKey,
ITreeModelSource objTreeModelSource,
IRequestCycle objCycle) {
Object objValue = objTreeModelSource.getTreeModel().getTreeDataModel().getObject(objUniqueKey);
return getRender(objValue, objTreeModelSource, objCycle);
}
public IRender getRender(Object objValue,
ITreeModelSource objTreeModelSource,
IRequestCycle objCycle) {
return new CFileSystemRender(objValue, objTreeModelSource);
}
public class CFileSystemRender implements IRender{
private Object m_objNode;
private ITreeModelSource m_objTreeModelSource;
public CFileSystemRender(Object objNode, ITreeModelSource objTreeModelSource) {
super();
m_objNode = objNode;
m_objTreeModelSource = objTreeModelSource;
}
public boolean isOpen() {
ITreeDataModel objDataModel =
m_objTreeModelSource.getTreeModel().getTreeDataModel();
ITreeStateModel objStateModel =
m_objTreeModelSource.getTreeModel().getTreeStateModel();
Object objUniqueKey = objDataModel.getUniqueKey(m_objNode, null);
return objStateModel.isUniqueKeyExpanded(objUniqueKey);
}
public boolean isSelected(){
ITreeDataModel objDataModel =
m_objTreeModelSource.getTreeModel().getTreeDataModel();
ITreeStateModel objStateModel =
m_objTreeModelSource.getTreeModel().getTreeStateModel();
Object objUniqueKey = objDataModel.getUniqueKey(m_objNode, null);
return objUniqueKey.equals(objStateModel.getSelectedNode());
}
public void render(IMarkupWriter objWriter, IRequestCycle objCycle) {
PrivateAsset objAsset = getAsset();
objWriter.begin("img");
objWriter.attribute("border", "0");
objWriter.attribute("src", objAsset.buildURL(objCycle));
objWriter.attribute("valign", "middle");
objWriter.end();
objWriter.print(" ");
objWriter.begin("span");
String strClassName = "fsNodeValue";
objWriter.attribute("class", strClassName);
objWriter.closeTag();
objWriter.print(getNode().toString().trim());
objWriter.end();
}
public IFileSystemTreeNode getNode(){
return (IFileSystemTreeNode) m_objNode;
}
private PrivateAsset getAsset(){
PrivateAsset objAsset;
if (!isOpen()) {
objAsset = getNode().getAssets().getAssetForCloseNode();
} else {
objAsset = getNode().getAssets().getAssetForOpenNode();
}
return objAsset;
}
}
}