jmlistcellrenderer.java

梦界家园程序开发基底框架

package jm.framework.gui.module.render ;

import java.awt.Color;
import java.awt.Component;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

import jm.framework.gui.module.JMItemCode;

public class JMListCellRenderer
    implements ListCellRenderer
{
    Color backColor = null;
    public JMListCellRenderer (Color selBackColor)
    {
        super();
        backColor = selBackColor ;
    }

    /**
     * Return a component that has been configured to display the specified
     * value.
     *
     * @param list The JList we're painting.
     * @param value The value returned by
     *   list.getModel().getElementAt(index).
     * @param index The cells index.
     * @param isSelected True if the specified cell was selected.
     * @param cellHasFocus True if the specified cell has the focus.
     * @return A component whose paint() method will render the specified
     *   value.
     * @todo Implement this javax.swing.ListCellRenderer method
     */
    public Component getListCellRendererComponent (
        JList list ,
        Object value ,
        int index ,
        boolean isSelected ,
        boolean cellHasFocus
        )
    {
        JLabel oListLabel = new JLabel ( ""+value ) ;
        oListLabel.setOpaque ( true ) ;
        if(isSelected)
        {
            oListLabel.setFont ( JMItemCode.FT_TABLE_SELECT ) ;
        }
        else
        {
            oListLabel.setFont ( JMItemCode.FT_CELLS ) ;
        }
        if(backColor!=null)
        {
            oListLabel.setBackground ( isSelected ? backColor : Color.white ) ;
            oListLabel.setForeground ( isSelected ? Color.white : Color.black ) ;
        }
        return oListLabel ;
    }
}