ChangeRenderer.java

/**
 *
 * Copyright 2005 The Apache Software Foundation or its licensors, as applicable 
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.geronimo.samples.daytrader.client;

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;
import java.text.*;

public class ChangeRenderer extends DefaultTableCellRenderer {
	private NumberFormat nf = NumberFormat.getCurrencyInstance();

	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
		super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
		if (value instanceof ChangeModel) {
			double change = ((ChangeModel)value).getChange();
			setText(nf.format(change));
			if (change >= 0.0) {
				setForeground(Color.green);
			}
			else {
				setForeground(Color.red);
			}
		}
		return this;
	}
}