listcellrendererbasic.java

是一个专门设计用于触摸屏的POS(point of sales)应用软件

//    Tina POS is a point of sales application designed for touch screens.
//    Copyright (C) 2005 Adrian Romero Corchado.
//    http://sourceforge.net/projects/tinapos
//
//    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 net.adrianromero.data.gui;

import javax.swing.*;
import java.awt.*;
import net.adrianromero.data.loader.IRenderString;

public class ListCellRendererBasic extends DefaultListCellRenderer {
    
    private IRenderString m_renderer;
    
    /** Creates a new instance of ListCellRendererBasic */
    public ListCellRendererBasic(IRenderString renderer) {
        m_renderer = renderer;
    }

    public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
        super.getListCellRendererComponent(list, null, index, isSelected, cellHasFocus);
        
        String s = m_renderer.getRenderString(value);
        setText((s == null || s.equals("")) ? " " : s); // Un espacio en caso de nulo para que no deja la celda chiquitita.
        return this;
    }        
 
}