www.pudn.com > jfreereport-0.8.3f.zip > ImageCellRenderer.java

/** 
 * ======================================== 
 * JFreeReport : a free Java report library 
 * ======================================== 
 * 
 * Project Info:  http://www.jfree.org/jfreereport/index.html 
 * Project Lead:  Thomas Morgner; 
 * 
 * (C) Copyright 2000-2002, by Simba Management Limited and Contributors. 
 * 
 * This library is free software; you can redistribute it and/or modify it under the terms 
 * of the GNU Lesser General Public License as published by the Free Software Foundation; 
 * either version 2.1 of the License, or (at your option) any later version. 
 * 
 * This library 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. 
 * 
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 
 * Boston, MA 02111-1307, USA. 
 * 
 * ---------------------- 
 * ImageCellRenderer.java 
 * ---------------------- 
 * (C)opyright 2002, by Simba Management Limited. 
 * 
 * Original Author:  David Gilbert (for Simba Management Limited); 
 * Contributor(s):   -; 
 * 
 * $Id: ImageCellRenderer.java,v 1.3.2.1 2003/08/24 14:18:07 taqua Exp $ 
 * 
 * Changes 
 * ------- 
 * 15-Jul-2002 : Version 1 (DG); 
 * 
 */ 
 
package com.jrefinery.report.demo.helper; 
 
import java.awt.Component; 
import java.awt.Image; 
import javax.swing.ImageIcon; 
import javax.swing.JLabel; 
import javax.swing.JTable; 
import javax.swing.table.DefaultTableCellRenderer; 
import javax.swing.table.TableCellRenderer; 
 
/** 
 * A table cell renderer that draws an image in a table cell. 
 * 
 
 * This class will be moved to the JCommon class library. 
 * 
 * @author David Gilbert 
 */ 
public class ImageCellRenderer extends DefaultTableCellRenderer implements TableCellRenderer 
{ 
 
  /** The icon. */ 
  private ImageIcon icon = new ImageIcon(); 
 
  /** 
   * Constructs a new renderer. 
   */ 
  public ImageCellRenderer() 
  { 
    super(); 
    setHorizontalAlignment(JLabel.CENTER); 
    setVerticalAlignment(JLabel.CENTER); 
    setIcon(icon); 
  } 
 
  /** 
   * Returns itself as the renderer. Supports the TableCellRenderer interface. 
   * 
   * @param table The table. 
   * @param value The data to be rendered. 
   * @param isSelected A boolean that indicates whether or not the cell is selected. 
   * @param hasFocus A boolean that indicates whether or not the cell has the focus. 
   * @param row The (zero-based) row index. 
   * @param column The (zero-based) column index. 
   * @return The component that can render the contents of the cell. 
   */ 
  public Component getTableCellRendererComponent(final JTable table, final Object value, final boolean isSelected, 
                                                 final boolean hasFocus, final int row, final int column) 
  { 
 
    setFont(null); 
    icon.setImage((Image) value); 
    if (isSelected) 
    { 
      setBackground(table.getSelectionBackground()); 
    } 
    else 
    { 
      setBackground(null); 
    } 
    return this; 
  } 
 
}