propertykeyrenderer.java

著名的开源仿真软件yale

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2002, 2003
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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 edu.udo.cs.yale.gui;

import edu.udo.cs.yale.operator.parameter.ParameterType;

import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.JTable;
import java.awt.Font;
import java.awt.Component;

/** Renders the key in a PropertyTable either bold or plain depending on whether or
 *  not the parameter is optional. */
public class PropertyKeyRenderer extends DefaultTableCellRenderer {
    
    private ParameterType type;

    public PropertyKeyRenderer(ParameterType type) {
	this.type = type;
	setToolTipText(type.getDescription() + " ("+type.getRange()+")");
    }

    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
	Component c = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
	if (!type.isOptional() && (type.getDefaultValue() == null)) {
	    c.setFont(c.getFont().deriveFont(Font.BOLD, c.getFont().getSize()));
	}
	return c;
    }

}