mnaufaldillah

NumberRenderer

Oct 23rd, 2021
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  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to you under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  * http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17.  
  18. package org.apache.jorphan.gui;
  19.  
  20. import java.text.DecimalFormat;
  21. import java.text.NumberFormat;
  22.  
  23. import javax.swing.SwingConstants;
  24. import javax.swing.table.DefaultTableCellRenderer;
  25.  
  26. /**
  27.  * Renders numbers in a JTable with a specified format
  28.  */
  29. public class NumberRenderer extends DefaultTableCellRenderer {
  30.     private static final long serialVersionUID = 240L;
  31.  
  32.     protected final NumberFormat formatter;
  33.  
  34.     public NumberRenderer() {
  35.         super();
  36.         formatter = NumberFormat.getInstance();
  37.         setHorizontalAlignment(SwingConstants.RIGHT);
  38.     }
  39.  
  40.     public NumberRenderer(String format) {
  41.         super();
  42.         formatter = new DecimalFormat(format);
  43.         setHorizontalAlignment(SwingConstants.RIGHT);
  44.     }
  45.  
  46.     @Override
  47.     public void setValue(Object value) {
  48.         setText((value == null) ? "" : formatter.format(value));
  49.     }
  50. }
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