3 // Permission is hereby granted, free of charge, to any person obtaining
4 // a copy of this software and associated documentation files (the
5 // "Software"), to deal in the Software without restriction, including
6 // without limitation the rights to use, copy, modify, merge, publish,
7 // distribute, sublicense, and/or sell copies of the Software, and to
8 // permit persons to whom the Software is furnished to do so, subject to
9 // the following conditions:
11 // The above copyright notice and this permission notice shall be
12 // included in all copies or substantial portions of the Software.
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 * Namespace: System.Web.UI.WebControls
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24 * Class: FontUnitConverter
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26 * Author: Gaurav Vaish, Gonzalo Paniagua Javier
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27 * Maintainer: gvaish@iitk.ac.in
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28 * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>, <gonzalo@ximian.com>
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29 * Implementation: yes
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32 * (C) Gaurav Vaish (2002)
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33 * (c) 2002 Ximian, Inc. (http://www.ximian.com)
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37 using System.Globalization;
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38 using System.ComponentModel;
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40 using System.Web.UI;
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42 namespace System.Web.UI.WebControls
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44 public class FontUnitConverter : TypeConverter
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46 static StandardValuesCollection valuesCollection;
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47 static string creatingValues = "creating value collection";
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49 public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
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51 if(sourceType == typeof(string))
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53 return base.CanConvertFrom(context, sourceType);
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56 public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
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62 string val = ((string)value).Trim();
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65 return FontUnit.Empty;
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67 return FontUnit.Parse(val, culture);
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69 return base.ConvertFrom(context, culture, value);
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72 public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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74 if(value != null && value is FontUnit)
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76 FontUnit val = (FontUnit)value;
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77 if(val.Type == FontSize.NotSet)
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79 return String.Empty;
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81 return val.ToString(culture);
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83 return base.ConvertTo(context, culture, value, destinationType);
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86 public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
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88 if (valuesCollection != null)
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89 return valuesCollection;
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91 lock (creatingValues) {
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92 if (valuesCollection != null)
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93 return valuesCollection;
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95 Array values = Enum.GetValues (typeof (FontUnit));
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96 Array.Sort (values);
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97 valuesCollection = new StandardValuesCollection (values);
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100 return valuesCollection;
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103 public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
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108 public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
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