/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2008 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.properties;

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

import javax.swing.BorderFactory;
import javax.swing.DefaultCellEditor;
import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.JTextField;

import com.rapidminer.gui.tools.SwingTools;
import com.rapidminer.operator.Operator;
import com.rapidminer.parameter.ParameterType;


/**
 * Renders the key in a {@link PropertyTable} either bold or plain depending on
 * whether or not the parameter is optional.
 * 
 * @author Ingo Mierswa
 * @version $Id: DefaultPropertyKeyRenderer.java,v 2.10 2006/03/21 15:35:40 ingomierswa
 *          Exp $
 */
public class DefaultPropertyKeyRenderer extends DefaultCellEditor implements PropertyKeyCellEditor {

    private static final long serialVersionUID = 5599667832953596663L;
    
    private transient ParameterType type;

	public DefaultPropertyKeyRenderer(ParameterType type) {
        super(new JTextField());
		this.type = type; 
        ((JTextField) editorComponent).setBorder(BorderFactory.createEmptyBorder(0, 3, 0, 3));
	}
    
	/** Does nothing. */
	public void setOperator(Operator operator, PropertyTable table) {}

    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
        return getTableCellEditorComponent(table, value, isSelected, row, column);
    }

	public Component getTableCellEditorComponent(JTable table, Object value, boolean selected, int row, int column) {
        JComponent c = (JComponent)super.getTableCellEditorComponent(table, value, selected, row, column);
        if (!type.isOptional() && (type.getDefaultValue() == null)) {
            c.setFont(c.getFont().deriveFont(Font.BOLD, c.getFont().getSize()));
        }
        if (selected)
            c.setBackground(SwingTools.LIGHTEST_BLUE);
        else
            c.setBackground(Color.WHITE);
        return c;
	}
}