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