src/Tizen.NUI.XamlBuild/src/internal/Xaml/MarkupExtensions/DynamicResourceExtension.cs

   1 using System;
   2 using Tizen.NUI.Binding;
   3 using Tizen.NUI.Binding.Internals;
   4 using Tizen.NUI.EXaml;
   5
   6 namespace Tizen.NUI.Xaml
   7 {
   8     [ContentProperty("Key")]
   9     internal sealed class DynamicResourceExtension : IMarkupExtension<DynamicResource>
  10     {
  11         public string Key { get; set; }
  12
  13         public object ProvideValue()
  14         {
  15             if (null == Key)
  16             {
  17                 return null;
  18             }
  19             else
  20             {
  21                 return new DynamicResource(Key);
  22             }
  23         }
  24
  25         public object ProvideValue(IServiceProvider serviceProvider)
  26         {
  27             return ((IMarkupExtension<DynamicResource>)this).ProvideValue(serviceProvider);
  28         }
  29
  30         DynamicResource IMarkupExtension<DynamicResource>.ProvideValue(IServiceProvider serviceProvider)
  31         {
  32             if (Key == null)
  33             {
  34                 var lineInfoProvider = serviceProvider.GetService(typeof (IXmlLineInfoProvider)) as IXmlLineInfoProvider;
  35                 var lineInfo = (lineInfoProvider != null) ? lineInfoProvider.XmlLineInfo : new XmlLineInfo();
  36                 throw new XamlParseException("DynamicResource markup require a Key", lineInfo);
  37             }
  38             return new DynamicResource(Key);
  39         }
  40     }
  41 }