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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.VisualBasic.Activities
{
using Microsoft.VisualBasic.Activities.XamlIntegration;
using System;
using System.Activities;
using System.Collections.Generic;
using System.Runtime;
using System.Windows.Markup;
using System.Xaml;
using System.ComponentModel;
using System.Reflection;
[ValueSerializer(typeof(VisualBasicSettingsValueSerializer))]
[TypeConverter(typeof(VisualBasicSettingsConverter))]
public class VisualBasicSettings
{
static readonly HashSet<VisualBasicImportReference> defaultImportReferences = new HashSet<VisualBasicImportReference>()
{
//"mscorlib"
new VisualBasicImportReference { Import = "System", Assembly = "mscorlib" },
new VisualBasicImportReference { Import = "System.Collections", Assembly = "mscorlib" },
new VisualBasicImportReference { Import = "System.Collections.Generic", Assembly = "mscorlib" },
//"system"
new VisualBasicImportReference { Import = "System", Assembly = "system" },
new VisualBasicImportReference { Import = "System.Collections.Generic", Assembly = "system" },
//"System.Activities"
new VisualBasicImportReference { Import = "System.Activities", Assembly = "System.Activities" },
new VisualBasicImportReference { Import = "System.Activities.Statements", Assembly = "System.Activities" },
new VisualBasicImportReference { Import = "System.Activities.Expressions", Assembly = "System.Activities" },
};
static VisualBasicSettings defaultSettings = new VisualBasicSettings(defaultImportReferences);
public VisualBasicSettings()
{
this.ImportReferences = new HashSet<VisualBasicImportReference>();
}
VisualBasicSettings(HashSet<VisualBasicImportReference> importReferences)
{
Fx.Assert(importReferences != null, "caller must verify");
this.ImportReferences = new HashSet<VisualBasicImportReference>(importReferences);
}
public static VisualBasicSettings Default
{
get
{
return defaultSettings;
}
}
// hide from XAML since the value serializer can't suppress yet
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public ISet<VisualBasicImportReference> ImportReferences
{
get;
private set;
}
internal bool SuppressXamlSerialization
{
get;
set;
}
internal void GenerateXamlReferences(IValueSerializerContext context)
{
// promote settings to xmlns declarations
INamespacePrefixLookup namespaceLookup = GetService<INamespacePrefixLookup>(context);
foreach (VisualBasicImportReference importReference in this.ImportReferences)
{
importReference.GenerateXamlNamespace(namespaceLookup);
}
}
internal static T GetService<T>(ITypeDescriptorContext context) where T : class
{
T service = (T)context.GetService(typeof(T));
if (service == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.InvalidTypeConverterUsage));
}
return service;
}
}
}
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