Package org.apache.tapestry.contrib.table.model.common

Source Code of org.apache.tapestry.contrib.table.model.common.BlockTableRendererSource

// 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.contrib.table.model.common;

import org.apache.tapestry.IRender;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.components.Block;
import org.apache.tapestry.components.BlockRenderer;
import org.apache.tapestry.contrib.table.model.ITableColumn;
import org.apache.tapestry.contrib.table.model.ITableModelSource;
import org.apache.tapestry.contrib.table.model.ITableRendererListener;
import org.apache.tapestry.contrib.table.model.ITableRendererSource;
import org.apache.tapestry.util.ComponentAddress;

/**
*
* @author mindbridge
* @since 2.3
*/
public class BlockTableRendererSource implements ITableRendererSource
{
  private ComponentAddress m_objBlockAddress;
  private ComponentAddress m_objListenerAddress;

  public BlockTableRendererSource(Block objBlock)
  {
    this(new ComponentAddress(objBlock));
  }

  public BlockTableRendererSource(
    Block objBlock,
    ITableRendererListener objListener)
  {
    this(new ComponentAddress(objBlock), new ComponentAddress(objListener));
  }

  public BlockTableRendererSource(ComponentAddress objBlockAddress)
  {
    this(objBlockAddress, null);
  }

  public BlockTableRendererSource(
    ComponentAddress objBlockAddress,
    ComponentAddress objListenerAddress)
  {
    setBlockAddress(objBlockAddress);
    setListenerAddress(objListenerAddress);
  }

  /**
   * @see org.apache.tapestry.contrib.table.model.ITableRendererSource#getRenderer(IRequestCycle, ITableModelSource, ITableColumn, Object)
   */
  public IRender getRenderer(
    IRequestCycle objCycle,
    ITableModelSource objSource,
    ITableColumn objColumn,
    Object objRow)
  {
    ComponentAddress objListenerAddress = getListenerAddress();
    if (objListenerAddress != null)
    {
      ITableRendererListener objListener =
        (ITableRendererListener) objListenerAddress.findComponent(
          objCycle);
      objListener.initializeRenderer(
        objCycle,
        objSource,
        objColumn,
        objRow);
    }

    Block objBlock = (Block) getBlockAddress().findComponent(objCycle);
    return new BlockRenderer(objBlock);
  }

  /**
   * Returns the blockAddress.
   * @return ComponentAddress
   */
  public ComponentAddress getBlockAddress()
  {
    return m_objBlockAddress;
  }

  /**
   * Sets the blockAddress.
   * @param blockAddress The blockAddress to set
   */
  public void setBlockAddress(ComponentAddress blockAddress)
  {
    m_objBlockAddress = blockAddress;
  }

  /**
   * Returns the listenerAddress.
   * @return ComponentAddress
   */
  public ComponentAddress getListenerAddress()
  {
    return m_objListenerAddress;
  }

  /**
   * Sets the listenerAddress.
   * @param listenerAddress The listenerAddress to set
   */
  public void setListenerAddress(ComponentAddress listenerAddress)
  {
    m_objListenerAddress = listenerAddress;
  }

}
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