bandrenderermodule.java

报表设计软件,很好的

/**
 * ========================================
 * JFreeReport : a free Java report library
 * ========================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner ([e-mail]);
 *
 * (C) Copyright 2000-2003, 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.
 *
 * ------------------------------
 * BandRendererModule.java
 * ------------------------------
 * (C)opyright 2003, by Thomas Morgner and Contributors.
 *
 * Original Author:  Thomas Morgner;
 * Contributor(s):   David Gilbert (for Simba Management Limited);
 *
 * $Id: BandRendererModule.java,v 1.2 2004/04/20 18:54:56 taqua Exp $
 *
 * Changes
 * -------------------------
 * 21.10.2003 : Initial version
 *
 */

package org.jfree.designer.visualeditor.bandeditor;

import java.awt.Color;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.border.LineBorder;

import org.jfree.report.Band;
import org.jfree.report.Element;

public final class BandRendererModule
        extends AbstractElementRendererModule
{
  private final JPanel bandRenderer;

  public BandRendererModule ()
  {
    super(Band.CONTENT_TYPE);
    bandRenderer = new JPanel();
  }

  /**
   * The Renderer has ELEMENT-BOUNDS*detailLevel space to render its content.
   * <p/>
   * That means the renderer will work on a scaled graphics, where detail level is the
   * used scale. Use detailLevel* (-1) to undo the scaling when showing more details.
   *
   * @param element
   * @param isSelected
   * @param hasFocus
   * @param detailLevel
   * @return
   */
  public final JComponent getElementRenderer
          (final Element element, final boolean isSelected,
           final boolean hasFocus, final float detailLevel)
  {
    if (isSelected)
    {
      bandRenderer.setBorder(new LineBorder(Color.black));
      bandRenderer.setBackground(new Color(128, 128, 128, 128));
      bandRenderer.setOpaque(true);
    }
    else
    {
      bandRenderer.setBorder(null);
      bandRenderer.setBackground(Color.white);
      bandRenderer.setOpaque(true);
    }
    return bandRenderer;
  }
}