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