001 /*
002 * $Id: Point2DPropertyEditor.java,v 1.2 2006/03/11 02:50:42 rbair Exp $
003 *
004 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
005 * Santa Clara, California 95054, U.S.A. All rights reserved.
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
020 */
021
022 package org.jdesktop.swingx.editors;
023
024 import java.awt.geom.Point2D;
025 import java.beans.PropertyEditorSupport;
026
027 /**
028 *
029 * @author rbair
030 */
031 public class Point2DPropertyEditor extends PropertyEditorSupport {
032
033 /** Creates a new instance of Point2DPropertyEditor */
034 public Point2DPropertyEditor() {
035 }
036
037 public Point2D getValue() {
038 return (Point2D.Double)super.getValue();
039 }
040
041 public String getJavaInitializationString() {
042 Point2D point = getValue();
043 return point == null ? "null" : "new java.awt.geom.Point2D.Double(" + point.getX() + ", " + point.getY() + ")";
044 }
045
046 public void setAsText(String text) throws IllegalArgumentException {
047 //the text could be in many different formats. All of the supported formats are as follows:
048 //(where x and y are doubles of some form)
049 //[x,y]
050 //[x y]
051 //x,y]
052 //[x,y
053 //[ x , y ] or any other arbitrary whitespace
054 // x , y ] or any other arbitrary whitespace
055 //[ x , y or any other arbitrary whitespace
056 //x,y
057 // x , y (or any other arbitrary whitespace)
058 //x y
059 // (empty space)
060 //null
061 //[]
062 //[ ]
063 //any other value throws an IllegalArgumentException
064
065 String originalParam = text;
066
067 if (text != null) {
068 //remove any opening or closing brackets
069 text = text.replace('[', ' ');
070 text = text.replace(']', ' ');
071 text = text.replace(',', ' ');
072 //trim whitespace
073 text = text.trim();
074 }
075
076 //test for the simple case
077 if (text == null || text.equals("") || text.equals("null")) {
078 setValue(null);
079 return;
080 }
081
082 //the first sequence of characters must now be a number. So, parse it out
083 //ending at the first whitespace. Then trim and the remaining value must
084 //be the second number. If there are any problems, throw and IllegalArgumentException
085 try {
086 int index = text.indexOf(' ');
087 String firstNumber = text.substring(0, index).trim();
088 String secondNumber = text.substring(index).trim();
089 Point2D.Double val = new Point2D.Double(Double.parseDouble(firstNumber), Double.parseDouble(secondNumber));
090 setValue(val);
091 } catch (Exception e) {
092 throw new IllegalArgumentException("The input value " + originalParam + " is not formatted correctly. Please " +
093 "try something of the form [x,y] or [x , y] or [x y]", e);
094 }
095 }
096
097 public String getAsText() {
098 Point2D point = getValue();
099 return point == null ? "[]" : "[" + point.getX() + ", " + point.getY() + "]";
100 }
101
102 public static void main(String... args) {
103 test("[1.5,1.2]");
104 test("1.5,1.2]");
105 test("[1.5,1.2");
106 test("[ 1.5 , 1.2 ]");
107 test(" 1.5 , 1.2 ]");
108 test("[ 1.5 , 1.2");
109 test("1.5,1.2");
110 test(" 1.5 , 1.2 ");
111 test("1.5 1.2");
112 test("");
113 test("null");
114 test("[]");
115 test("[ ]");
116 test("[1.5 1.2]");
117 }
118
119 private static void test(String input) {
120 System.out.print("Input '" + input + "'");
121 try {
122 Point2DPropertyEditor ed = new Point2DPropertyEditor();
123 ed.setAsText(input);
124 Point2D point = ed.getValue();
125 System.out.println(" succeeded: " + point);
126 } catch (Exception e) {
127 System.out.println(" failed: " + e.getMessage());
128 }
129 }
130 }