/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.demo.ancient.demo.functions;

import java.awt.Component;
import java.util.ArrayList;
import javax.swing.table.AbstractTableModel;

public class PaintComponentTableModel
    extends AbstractTableModel
{
  private ArrayList rows;

  public PaintComponentTableModel()
  {
    rows = new ArrayList();
  }

  public void addComponent(final Component component)
  {
    if (component == null)
    {
      throw new NullPointerException("Component must not be null.");
    }
    rows.add(component);
  }

  /**
   * Returns the number of columns in the model. A <code>JTable</code> uses this method to determine how many columns it
   * should create and display by default.
   *
   * @return the number of columns in the model
   * @see #getRowCount
   */
  public int getColumnCount()
  {
    return 2;
  }

  /**
   * Returns the number of rows in the model. A <code>JTable</code> uses this method to determine how many rows it
   * should display.  This method should be quick, as it is called frequently during rendering.
   *
   * @return the number of rows in the model
   * @see #getColumnCount
   */
  public int getRowCount()
  {
    return rows.size();
  }

  /**
   * Returns the value for the cell at <code>columnIndex</code> and <code>rowIndex</code>.
   *
   * @param  rowIndex  the row whose value is to be queried
   * @param  columnIndex the column whose value is to be queried
   * @return the value Object at the specified cell
   */
  public Object getValueAt(final int rowIndex,
                           final int columnIndex)
  {
    final Object c = rows.get(rowIndex);
    if (columnIndex == 0)
    {
      return c;
    }
    return c.getClass().getName();
  }

  /**
   * Returns <code>Object.class</code> regardless of <code>columnIndex</code>.
   *
   * @param columnIndex the column being queried
   * @return the Object.class
   */
  public Class getColumnClass(final int columnIndex)
  {
    if (columnIndex == 0)
    {
      return Component.class;
    }
    else
    {
      return String.class;
    }
  }

  /**
   * Returns a default name for the column using spreadsheet conventions: A, B, C, ... Z, AA, AB, etc.  If
   * <code>column</code> cannot be found, returns an empty string.
   *
   * @param column the column being queried
   * @return a string containing the default name of <code>column</code>
   */
  public String getColumnName(final int column)
  {
    if (column == 0)
    {
      return "Component";
    }
    else
    {
      return "Class";
    }
  }
}