mcs/class/System.Web/System.Web.UI.WebControls/FontNamesConverter.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 using System.ComponentModel;
  28 using System.Globalization;
  29 using System.Security.Permissions;
  30
  31 namespace System.Web.UI.WebControls {
  32
  33         // CAS
  34         [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  35         [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  36         public class FontNamesConverter : System.ComponentModel.TypeConverter
  37         {
  38                 #region Public Constructors
  39                 public FontNamesConverter()
  40                 {
  41                 }
  42                 #endregion      // Public Constructors
  43
  44                 #region Public Instance Methods
  45                 public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
  46                 {
  47                         if (sourceType == typeof(string))
  48                         {
  49                                 return true;
  50                         }
  51
  52                         return base.CanConvertFrom(context, sourceType);
  53                 }
  54
  55                 public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
  56                 {
  57                         if (value is string)
  58                         {
  59                                 string[]        names;
  60                                 string          namelist;
  61                                 int             count;
  62
  63                                 namelist = (string)value;
  64
  65                                 if (namelist == string.Empty)
  66                                 {
  67                                         return new string[0];
  68                                 }
  69
  70                                 names = namelist.Split(new char[] { ',' });
  71
  72                                 count = names.Length;
  73                                 for (int i = 0; i < count; i++)
  74                                 {
  75                                         names[i] = names[i].Trim();
  76                                 }
  77
  78                                 return names;
  79                         }
  80                         return base.ConvertFrom(context, culture, value);
  81                 }
  82
  83                 public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
  84                 {
  85                         if ((destinationType == typeof(string)) && (value is string[]))
  86                         {
  87                                 return String.Join(",", (string[])value);
  88                         }
  89                         return base.ConvertTo(context, culture, value, destinationType);
  90                 }
  91                 #endregion      // Public Instance Methods
  92         }
  93 }