mcs/class/referencesource/System.Activities.Presentation/Microsoft.Tools.Common/Microsoft/Activities/Presentation/Xaml/AttributeXamlType.cs

   1 // <copyright>
   2 //   Copyright (c) Microsoft Corporation.  All rights reserved.
   3 // </copyright>
   4
   5 namespace Microsoft.Activities.Presentation.Xaml
   6 {
   7     using System;
   8     using System.ComponentModel;
   9     using System.Xaml;
  10     using System.Xaml.Schema;
  11
  12     internal class AttributeXamlType<TAttribute, TAttributeInfo> : XamlType
  13         where TAttribute : Attribute
  14         where TAttributeInfo : AttributeInfo<TAttribute>, new()
  15     {
  16         private TAttributeInfo attributeInfo = new TAttributeInfo();
  17
  18         public AttributeXamlType(XamlSchemaContext xamlSchemaContext)
  19             : base(typeof(TAttribute), xamlSchemaContext)
  20         {
  21         }
  22
  23         protected override XamlValueConverter<TypeConverter> LookupTypeConverter()
  24         {
  25             return new XamlValueConverter<TypeConverter>(typeof(AttributeConverter<TAttribute, TAttributeInfo>), this);
  26         }
  27
  28         protected override bool LookupConstructionRequiresArguments()
  29         {
  30             return this.attributeInfo.LookupConstructionRequiresArguments;
  31         }
  32
  33         protected override XamlTypeInvoker LookupInvoker()
  34         {
  35             if (this.attributeInfo.Invoker != null)
  36             {
  37                 return this.attributeInfo.Invoker;
  38             }
  39             else
  40             {
  41                 return base.LookupInvoker();
  42             }
  43         }
  44     }
  45 }