001// Copyright 2004, 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry.contrib.table.model.common;
016
017import org.apache.tapestry.IRender;
018import org.apache.tapestry.IRequestCycle;
019import org.apache.tapestry.components.Block;
020import org.apache.tapestry.components.BlockRenderer;
021import org.apache.tapestry.contrib.table.model.ITableColumn;
022import org.apache.tapestry.contrib.table.model.ITableModelSource;
023import org.apache.tapestry.contrib.table.model.ITableRendererListener;
024import org.apache.tapestry.contrib.table.model.ITableRendererSource;
025import org.apache.tapestry.util.ComponentAddress;
026
027/**
028 * 
029 * @author mindbridge
030 * @since 2.3
031 */
032public class BlockTableRendererSource implements ITableRendererSource
033{
034        private static final long serialVersionUID = 1L;
035        
036        private ComponentAddress m_objBlockAddress;
037        private ComponentAddress m_objListenerAddress;
038
039        public BlockTableRendererSource(Block objBlock)
040        {
041                this(new ComponentAddress(objBlock));
042        }
043
044        public BlockTableRendererSource(
045                Block objBlock,
046                ITableRendererListener objListener)
047        {
048                this(new ComponentAddress(objBlock), new ComponentAddress(objListener));
049        }
050
051        public BlockTableRendererSource(ComponentAddress objBlockAddress)
052        {
053                this(objBlockAddress, null);
054        }
055
056        public BlockTableRendererSource(
057                ComponentAddress objBlockAddress,
058                ComponentAddress objListenerAddress)
059        {
060                setBlockAddress(objBlockAddress);
061                setListenerAddress(objListenerAddress);
062        }
063
064        /**
065         * @see org.apache.tapestry.contrib.table.model.ITableRendererSource#getRenderer(IRequestCycle, ITableModelSource, ITableColumn, Object)
066         */
067        public IRender getRenderer(
068                IRequestCycle objCycle,
069                ITableModelSource objSource,
070                ITableColumn objColumn,
071                Object objRow)
072        {
073                ComponentAddress objListenerAddress = getListenerAddress();
074                if (objListenerAddress != null)
075                {
076                        ITableRendererListener objListener =
077                                (ITableRendererListener) objListenerAddress.findComponent(
078                                        objCycle);
079                        objListener.initializeRenderer(
080                                objCycle,
081                                objSource,
082                                objColumn,
083                                objRow);
084                }
085
086                Block objBlock = (Block) getBlockAddress().findComponent(objCycle);
087                return new BlockRenderer(objBlock);
088        }
089
090        /**
091         * Returns the blockAddress.
092         * @return ComponentAddress
093         */
094        public ComponentAddress getBlockAddress()
095        {
096                return m_objBlockAddress;
097        }
098
099        /**
100         * Sets the blockAddress.
101         * @param blockAddress The blockAddress to set
102         */
103        public void setBlockAddress(ComponentAddress blockAddress)
104        {
105                m_objBlockAddress = blockAddress;
106        }
107
108        /**
109         * Returns the listenerAddress.
110         * @return ComponentAddress
111         */
112        public ComponentAddress getListenerAddress()
113        {
114                return m_objListenerAddress;
115        }
116
117        /**
118         * Sets the listenerAddress.
119         * @param listenerAddress The listenerAddress to set
120         */
121        public void setListenerAddress(ComponentAddress listenerAddress)
122        {
123                m_objListenerAddress = listenerAddress;
124        }
125
126}