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