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, but 010 WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA */ 018 019 package org.objectweb.jac.aspects.gui.web; 020 021 import java.text.ParsePosition; 022 import org.objectweb.jac.aspects.gui.FloatFormat; 023 import org.objectweb.jac.core.rtti.FieldItem; 024 import org.objectweb.jac.aspects.gui.NumberFormat; 025 026 /** 027 * HTML editor and viewer for percentage values. It can handle short, 028 * int, long, float, and double. In the case of short, int and long, 029 * the percentage value is considered to be between 0 and 100, while 030 * in the case of float and double it must be between 0 and 1. 031 */ 032 public class FloatEditor extends FormatEditor 033 implements HTMLEditor 034 { 035 public FloatEditor(Object substance, FieldItem field) { 036 super(substance,field); 037 width = 15; 038 } 039 040 protected void initFormat(FieldItem field) { 041 format = new FloatFormat(field); 042 } 043 044 public Object parse(String s) { 045 ParsePosition pos = new ParsePosition(0); 046 Class cl = type.getActualClass(); 047 if (cl==float.class || cl==Float.class) { 048 return ((NumberFormat)format).parseFloat(s,pos); 049 } else if (cl==double.class || cl==Double.class) { 050 return ((NumberFormat)format).parseDouble(s,pos); 051 } else { 052 throw new RuntimeException("FloatEditor: Unhandled type "+type.getName()); 053 } 054 } 055 }