34 lines
1.6 KiB
C#
34 lines
1.6 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
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{
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using System;
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using System.ComponentModel.Design.Serialization;
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#region Class ActivityMarkupSerializationProvider
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internal sealed class ActivityMarkupSerializationProvider : WorkflowMarkupSerializationProvider
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{
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public override object GetSerializer(IDesignerSerializationManager manager, object currentSerializer, Type objectType, Type serializerType)
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{
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// If this isn't a serializer type we recognize, do nothing. Also, if metadata specified
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// a custom serializer, then use it.
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if (serializerType != typeof(WorkflowMarkupSerializer) || currentSerializer != null)
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return null;
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if (typeof(CompositeActivity).IsAssignableFrom(objectType))
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return new CompositeActivityMarkupSerializer();
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if (typeof(ItemList<>).IsAssignableFrom(objectType))
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return new CollectionMarkupSerializer();
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// Ask the base class if it has a specialized serializer class for this object type. If it returns
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// its default serializer, return our default serializer instead.
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IDesignerSerializationProvider baseProvider = new WorkflowMarkupSerializationProvider() as IDesignerSerializationProvider;
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object baseSerializer = baseProvider.GetSerializer(manager, currentSerializer, objectType, serializerType);
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if (baseSerializer.GetType() != typeof(WorkflowMarkupSerializer))
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return baseSerializer;
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return new ActivityMarkupSerializer();
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}
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}
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#endregion
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}
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