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TEvenOddColoringTreeTableCellRenderer.java

/*
*  Name:      TEvenOddColoringTreeTableCellRenderer.java
*  Author:    Rafael Jesus Alcantara Perez
*  Summary:   Tree  and  table cell  renderer  that  displays  different colors
*             depending on row evenness 
*  Date:      $Date: 2003/09/26 23:53:24 $
*  Revision:  $Revision: 1.1 $
*
*  Copyright (C) 2003  Rafael Jesus Alcantara Perez <rafa@dedalo-ing.com>
*
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  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 General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
*  MA 02111-1307, USA.
*/

package org.mpcl.nui.treetable;

import java.awt.Color;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import org.mpcl.nui.TTreeTable;


public class TEvenOddColoringTreeTableCellRenderer extends TTreeTableCellRenderer
{

  private Color   tEvenRowColor;

  private Color   tOddRowColor;


  //
  //  C O N S T R U C T O R S
  //

  public TEvenOddColoringTreeTableCellRenderer ( TTreeTable tTREE_TABLE     ,
                                                 Color      tEVEN_ROW_COLOR ,
                                                 Color      tODD_ROW_COLOR  )
  {
    super (tTREE_TABLE);
    tEvenRowColor = tEVEN_ROW_COLOR;
    tOddRowColor  = tODD_ROW_COLOR;
  }


  //
  //  S E L E C T O R S
  //

  public Component getTableCellRendererComponent ( JTable  tTABLE       ,
                                                   Object  tVALUE       ,
                                                   boolean gIS_SELECTED ,
                                                   boolean gHAS_FOCUS   ,
                                                   int     iROW         ,
                                                   int     iCOLUMN      )
  {

    Component   tComponent;

    tComponent =
      super.getTableCellRendererComponent ( tTABLE       ,
                                            tVALUE       ,
                                            gIS_SELECTED ,
                                            gHAS_FOCUS   ,
                                            iROW         ,
                                            iCOLUMN      );
    if ( !gIS_SELECTED )
    {
      if ( (iROW % 2) == 1 )
      {
        tComponent.setBackground (tEvenRowColor);
      }
      else
      {
        if ( tOddRowColor == null )
        {
          tOddRowColor = tTABLE.getBackground();
        }
        tComponent.setBackground (tOddRowColor);
      }
    }
    return tComponent;

  }  // getTableCellRendererComponent()

  public Component getTreeCellRendererComponent ( JTree   tTREE        ,
                                                  Object  tVALUE       ,
                                                  boolean gIS_SELECTED ,
                                                  boolean gIS_EXPANDED ,
                                                  boolean gIS_LEAF     ,
                                                  int     iROW         ,
                                                  boolean gHAS_FOCUS   )
  {

    DefaultTreeCellRenderer   tTreeCellRenderer;

    tTreeCellRenderer = (DefaultTreeCellRenderer)
      super.getTreeCellRendererComponent ( tTREE        ,
                                           tVALUE       ,
                                           gIS_SELECTED ,
                                           gIS_EXPANDED ,
                                           gIS_LEAF     ,
                                           iROW         ,
                                           gHAS_FOCUS   );
    if ( !gIS_SELECTED )
    {
      if ( (iROW % 2) == 1 )
      {
        tTreeCellRenderer.setBackgroundNonSelectionColor (tEvenRowColor);
      }
      else
      {
        if ( tOddRowColor == null )
        {
          tOddRowColor = tTREE.getBackground();
        }
        tTreeCellRenderer.setBackgroundNonSelectionColor (tOddRowColor);
      }
    }
    return tTreeCellRenderer;

  }  // getTreeCellRendererComponent()

}  // class TEvenOddColoringTreeTableCellRenderer

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