Package org.apache.tapestry.workbench.tree.examples

Source Code of org.apache.tapestry.workbench.tree.examples.DirectoryTableView

//  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.util.ArrayList;
import java.util.Collection;

import org.apache.tapestry.BaseComponent;
import org.apache.tapestry.IBinding;
import org.apache.tapestry.contrib.table.components.Table;
import org.apache.tapestry.contrib.table.model.ITableColumn;
import org.apache.tapestry.contrib.table.model.ITableModel;
import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumn;
import org.apache.tapestry.contrib.table.model.simple.SimpleTableModel;
import org.apache.tapestry.workbench.tree.examples.fsmodel.SFObject;
import org.apache.tapestry.event.PageDetachListener;
import org.apache.tapestry.event.PageEvent;

/**
* @author ceco
* @version $Id: DirectoryTableView.java,v 1.4 2004/02/19 17:38:07 hlship Exp $
*/
public class DirectoryTableView extends BaseComponent implements PageDetachListener{

  private ITableModel m_objTableModel = null;
  private ITableColumn[] m_arrColumns = null;
  private ISelectedFolderSource m_objSelectedFolderSource = null;
  /**
   *
   */
  public DirectoryTableView() {
    super();
    initialize();
  }


  private void initialize(){
    m_objTableModel = null;
    m_objSelectedFolderSource = null;
  }
 
  /**
   * @see org.apache.tapestry.AbstractComponent#finishLoad()
   */
  protected void finishLoad() {
    super.finishLoad();
    getPage().addPageDetachListener(this);
  }


  /**
   * @see org.apache.tapestry.event.PageDetachListener#pageDetached(org.apache.tapestry.event.PageEvent)
   */
  public void pageDetached(PageEvent arg0) {
    initialize();
  }

  public ITableModel getTableModel() {
    if(m_objTableModel == null){
      ISelectedFolderSource objSelectedFolderSource = getSelectedFolderSource();
      Collection colChildrens = objSelectedFolderSource.getSelectedFolderChildren();
     
      m_objTableModel = new SimpleTableModel(colChildrens.toArray(), getColumns());
    }
    return m_objTableModel;
  }

  public ITableColumn[] getColumns() {
    if(m_arrColumns == null){
      ArrayList arrColumnsList = new ArrayList();
      arrColumnsList.add(new SimpleTableColumn ("Name", true)
        {
          public Object getColumnValue(Object objValue) {
            SFObject objSFObject = (SFObject) objValue;
            return objSFObject.getName();
          }
        });

      arrColumnsList.add(new SimpleTableColumn ("Date", true)
        {
          public Object getColumnValue(Object objValue) {
            SFObject objSFObject = (SFObject) objValue;
            return objSFObject.getDate();
          }
        });

      m_arrColumns = new SimpleTableColumn[arrColumnsList.size()];
      arrColumnsList.toArray(m_arrColumns);
    }
    return m_arrColumns;
  }

  public ISelectedFolderSource getSelectedFolderSource() {
    if(m_objSelectedFolderSource == null){
      IBinding objBinding = getBinding("selectedFolderSource");
      m_objSelectedFolderSource = (ISelectedFolderSource)objBinding.getObject();
    }
    return m_objSelectedFolderSource;
  }


  public void resetState(){
    initialize();
    Table objTable = (Table)getComponent("table");
    objTable.reset();
  }
 
  public String getSelectedNodeName(){
    return getSelectedFolderSource().getSelectedNodeName();
  }
}
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