datacellrenderer.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Created on 2005/3/30
 *
 * $Author$
 * $Date$
 * $Revision$
 *
 */
package eti.bi.alphaminer.operation.result.renderer;

/**
 * @author kelvinj
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */


import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.border.Border;
import javax.swing.table.TableCellRenderer;

import eti.bi.common.data.MissingValue;
import eti.bi.util.NumberFormatter;

public class DataCellRenderer extends JLabel implements TableCellRenderer {
    /**
	 * 
	 */
	private static final long serialVersionUID = -754950250780323334L;
	Border unselectedBorder = null;
    Border selectedBorder = null;
    boolean isBordered = true;

    public DataCellRenderer(boolean isBordered) {
        this.isBordered = isBordered;
        setOpaque(true); //MUST do this for background to show up.
    }

    public Component getTableCellRendererComponent(
                            JTable table, Object value,
                            boolean isSelected, boolean hasFocus,
                            int row, int column) 
    {
//    	table.setSelectionForeground(Color.WHITE);
        if (isBordered) {
            if (isSelected) {
                if (selectedBorder == null) {
                    selectedBorder = BorderFactory.createMatteBorder(2,5,2,5,
                                              table.getSelectionBackground());
                }
                setBorder(selectedBorder);
                setBackground(table.getSelectionBackground());
            	setForeground(table.getSelectionForeground());
            } else {
                if (unselectedBorder == null) {
                    unselectedBorder = BorderFactory.createMatteBorder(2,5,2,5,
                                              table.getBackground());
                }
                setBorder(unselectedBorder);
                setBackground(table.getBackground());
                if (MissingValue.isMissingValue(value))
                {
                	setForeground(MissingValue.DISPLAY_COLOR);
                }else
                {
                	setForeground(table.getForeground());
                }
            	//setForeground(table.getForeground());
            }
        }
        
        setFont(table.getFont());
    	setValue(value);
    	return this;
    }
    
    protected void setValue(Object a_Value) 
    {
    	if(MissingValue.isMissingValue(a_Value))
    	{
    		setText(MissingValue.DISPLAY_VALUE);
    	}else if (a_Value instanceof Double)
    	{
    		String formattedValue = NumberFormatter.format(((Double)a_Value).doubleValue());
    		setText(formattedValue);
    	}else
    	{
    		setText(a_Value.toString());
    	}
    }

}