MyCellRenderer.java

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/*******************************************************************************
 * ALMA - Atacama Large Millimeter Array
 * Copyright (c) ESO - European Southern Observatory, 2011
 * (in the framework of the ALMA collaboration).
 * All rights reserved.
 * 
 * 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
 *******************************************************************************/
package alma.demo.dyncomp;

import java.awt.Component;
import javax.swing.JButton;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;

class  MyCellRendererr extends JButton implements TableCellRenderer {

        public  MyCellRendererr() {
        }

        public Component getTableCellRendererComponent(
                        JTable table, 
                        Object value, 
                        boolean isSelected, 
                        boolean hasFocus, 
                        int row, 
                        int column) {
                if (table.getValueAt(row,column)!=null) {
                        JButton btn = (JButton)value;
                        btn.setVisible(true);
                        return btn;
                } else return null;
        }
        
}