001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.geronimo.samples.daytrader.client; 018 019 import java.awt.*; 020 import javax.swing.*; 021 import javax.swing.table.*; 022 import java.text.*; 023 024 public class ChangeRenderer extends DefaultTableCellRenderer { 025 private NumberFormat nf = NumberFormat.getCurrencyInstance(); 026 027 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { 028 super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); 029 if (value instanceof ChangeModel) { 030 double change = ((ChangeModel)value).getChange(); 031 setText(nf.format(change)); 032 if (change >= 0.0) { 033 setForeground(Color.green); 034 } 035 else { 036 setForeground(Color.red); 037 } 038 } 039 return this; 040 } 041 } 042 043