mcs/class/referencesource/System.Activities.Presentation/System.Activities.Core.Presentation/System/ServiceModel/Activities/Presentation/ContentButtonTitleConverter.cs

   1 //----------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //----------------------------------------------------------------
   4
   5 namespace System.ServiceModel.Activities.Presentation
   6 {
   7     using System.Runtime;
   8     using System.Activities.Core.Presentation;
   9     using System.Activities.Presentation.Model;
  10     using System.Globalization;
  11     using System.Windows.Data;
  12
  13     sealed class ContentButtonTitleConverter : IValueConverter
  14     {
  15         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
  16         {
  17             object content = value;
  18             if (content != null && content is ModelItem)
  19             {
  20                 content = ((ModelItem)content).GetCurrentValue();
  21             }
  22             if (content == null)
  23             {
  24                 return SR.DefineContent;
  25             }
  26             else
  27             {
  28                 //string contentTypeName = content.GetType().Name;
  29                 if (content is ReceiveMessageContent || content is SendMessageContent)
  30                 {
  31                     return SR.ViewMessageContent;
  32                 }
  33                 else if (content is ReceiveParametersContent || content is SendParametersContent)
  34                 {
  35                     return SR.ViewParameterContent;
  36                 }
  37                 else
  38                 {
  39                     Fx.Assert(false, "Content must be of either ReceiveMessageContent, ReceiveParametersContent, SendMessageContent or SendParametersContent.");
  40                     return null;
  41                 }
  42             }
  43         }
  44
  45         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
  46         {
  47             throw FxTrace.Exception.AsError(new NotSupportedException());
  48         }
  49     }
  50 }