/*
    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    *
    * This software is open source.
    * See the bottom of this file for the licence.
    */
   
   package org.dom4j.swing;
   
  import java.util.List;
  
  import javax.swing.table.AbstractTableModel;
  
  import org.dom4j.Document;
  import org.dom4j.Element;
  import org.dom4j.XPath;
  
  /***
   * <p>
   * <code>XMLTableDefinition</code> repro.
   * </p>
   * 
   * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
   * @version $Revision: 1.8 $
   */
  public class XMLTableModel extends AbstractTableModel {
      /*** Holds value of property definition. */
      private XMLTableDefinition definition;
  
      /*** Holds value of property source. */
      private Object source;
  
      /*** The rows evaluated from the row XPath expression */
      private List rows;
  
      /***
       * Creates a TableModel from an XML table definition document and an XML
       * source
       * 
       * @param tableDefinition
       *            DOCUMENT ME!
       * @param source
       *            DOCUMENT ME!
       */
      public XMLTableModel(Element tableDefinition, Object source) {
          this(XMLTableDefinition.load(tableDefinition), source);
      }
  
      /***
       * Creates a TableModel from an XML table definition document and an XML
       * source
       * 
       * @param tableDefinition
       *            DOCUMENT ME!
       * @param source
       *            DOCUMENT ME!
       */
      public XMLTableModel(Document tableDefinition, Object source) {
          this(XMLTableDefinition.load(tableDefinition), source);
      }
  
      public XMLTableModel(XMLTableDefinition definition, Object source) {
          this.definition = definition;
          this.source = source;
      }
  
      public Object getRowValue(int rowIndex) {
          return getRows().get(rowIndex);
      }
  
      public List getRows() {
          if (rows == null) {
              rows = definition.getRowXPath().selectNodes(source);
          }
  
          return rows;
      }
  
      // TableModel interface
      // -------------------------------------------------------------------------
      public Class getColumnClass(int columnIndex) {
          return definition.getColumnClass(columnIndex);
      }
  
      public int getColumnCount() {
          return definition.getColumnCount();
      }
  
      public String getColumnName(int columnIndex) {
          XPath xpath = definition.getColumnNameXPath(columnIndex);
  
          if (xpath != null) {
              System.out.println("Evaluating column xpath: " + xpath + " value: "
                      + xpath.valueOf(source));
  
              return xpath.valueOf(source);
          }
  
          return definition.getColumnName(columnIndex);
     }
 
     public Object getValueAt(int rowIndex, int columnIndex) {
         try {
             Object row = getRowValue(rowIndex);
 
             return definition.getValueAt(row, columnIndex);
         } catch (Exception e) {
             handleException(e);
 
             return null;
         }
     }
 
     public int getRowCount() {
         return getRows().size();
     }
 
     // Properties
     // -------------------------------------------------------------------------
 
     /***
      * Getter for property definition.
      * 
      * @return Value of property definition.
      */
     public XMLTableDefinition getDefinition() {
         return definition;
     }
 
     /***
      * Setter for property definition.
      * 
      * @param definition
      *            New value of property definition.
      */
     public void setDefinition(XMLTableDefinition definition) {
         this.definition = definition;
     }
 
     /***
      * Getter for the XML source, which is usually a Node or List of nodes.
      * 
      * @return Value of property source.
      */
     public Object getSource() {
         return source;
     }
 
     /***
      * Setter for the XML source, which is usually a Node or List of nodes.
      * 
      * @param source
      *            New value of property source.
      */
     public void setSource(Object source) {
         this.source = source;
         this.rows = null;
     }
 
     // Implementation methods
     // -------------------------------------------------------------------------
     protected void handleException(Exception e) {
         // #### should use jakarta commons-logging
         System.out.println("Caught: " + e);
     }
 }
 
 /*
  * Redistribution and use of this software and associated documentation
  * ("Software"), with or without modification, are permitted provided that the
  * following conditions are met:
  * 
  * 1. Redistributions of source code must retain copyright statements and
  * notices. Redistributions must also contain a copy of this document.
  * 
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  * 
  * 3. The name "DOM4J" must not be used to endorse or promote products derived
  * from this Software without prior written permission of MetaStuff, Ltd. For
  * written permission, please contact dom4j-info@metastuff.com.
  * 
  * 4. Products derived from this Software may not be called "DOM4J" nor may
  * "DOM4J" appear in their names without prior written permission of MetaStuff,
  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
  * 
  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
  * 
  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  * 
  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
  */