001 /* 002 Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 017 018 package org.objectweb.jac.aspects.gui; 019 020 import java.text.DecimalFormat; 021 import java.text.ParsePosition; 022 import org.objectweb.jac.core.rtti.FieldItem; 023 import org.objectweb.jac.core.rtti.MetaItem; 024 import org.objectweb.jac.core.rtti.RttiAC; 025 026 public class PercentFormat extends FloatFormat { 027 028 public PercentFormat(FieldItem field) { 029 super(field); 030 } 031 032 public String format(double value) { 033 String strValue = null; 034 Class type = field.getType(); 035 double editedValue = value; 036 if (type == float.class || type == Float.class || 037 type == double.class || type == Double.class) 038 editedValue *= 100; 039 return format.format(editedValue)+"%"; 040 } 041 042 public Number parseNumber(String str, ParsePosition pos) { 043 String string = ((String)str).trim(); 044 045 if (string==null || string.length()==0) 046 return null; 047 if (string.endsWith("%")) { 048 string = string.substring(0,string.length()-1).trim(); 049 } 050 051 Class type = field.getType(); 052 053 Number number = format.parse(string,pos); 054 055 if (type == int.class || type == Integer.class) { 056 return new Integer(number.intValue()); 057 } else if (type == short.class || type == Short.class) { 058 return new Short(number.shortValue()); 059 } else if (type == long.class || type == Long.class) { 060 return new Long(number.longValue()); 061 } else if (type == float.class || type == Float.class) { 062 return new Float(number.floatValue()/100); 063 } else if (type == double.class || type == Double.class) { 064 return new Double(number.doubleValue()/100); 065 } else { 066 throw new RuntimeException("PercentEditor: Unhandled type "+type.getName()); 067 } 068 } 069 } 070