45 lines
2.1 KiB
C#
45 lines
2.1 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
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{
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using System;
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using System.Reflection;
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using System.Collections;
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using System.Collections.Generic;
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using System.Workflow.ComponentModel.Design;
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using System.Xml;
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#region Class CompositeActivityMarkupSerializer
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[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
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public class CompositeActivityMarkupSerializer : ActivityMarkupSerializer
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{
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internal override void OnBeforeSerializeContents(WorkflowMarkupSerializationManager serializationManager, object obj)
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{
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base.OnBeforeSerializeContents(serializationManager, obj);
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//For root activity we will go through all the nested activities and put the namespaces at the top level
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CompositeActivity compositeActivity = obj as CompositeActivity;
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XmlWriter writer = serializationManager.WorkflowMarkupStack[typeof(XmlWriter)] as XmlWriter;
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if (compositeActivity.Parent == null && writer != null)
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{
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Dictionary<string, Activity> writtenMappings = new Dictionary<string, Activity>();
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string prefix = String.Empty;
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XmlQualifiedName xmlQualifiedName = serializationManager.GetXmlQualifiedName(compositeActivity.GetType(), out prefix);
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writtenMappings.Add(xmlQualifiedName.Namespace, compositeActivity);
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foreach (Activity containedActivity in Helpers.GetNestedActivities(compositeActivity))
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{
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prefix = String.Empty;
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xmlQualifiedName = serializationManager.GetXmlQualifiedName(containedActivity.GetType(), out prefix);
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if (!writtenMappings.ContainsKey(xmlQualifiedName.Namespace))
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{
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writer.WriteAttributeString("xmlns", prefix, null, xmlQualifiedName.Namespace);
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writtenMappings.Add(xmlQualifiedName.Namespace, containedActivity);
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}
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}
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}
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}
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}
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#endregion
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}
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