Ejemplo n.º 1
0
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            if (value is string stringValue)
            {
                TypeConverterHelper currentHelper = helper;
                if (currentHelper == null)
                {
                    IDestinationTypeProvider targetService = context.GetService(typeof(IDestinationTypeProvider)) as IDestinationTypeProvider;
                    Type targetType = targetService.GetDestinationType();

                    if (!this.helpers.Value.TryGetValue(targetType, out currentHelper))
                    {
                        currentHelper = GetTypeConverterHelper(targetType, this.baseType, this.helperType);
                        if (!this.helpers.Value.TryAdd(targetType, currentHelper))
                        {
                            if (!this.helpers.Value.TryGetValue(targetType, out currentHelper))
                            {
                                throw FxTrace.Exception.AsError(new InvalidOperationException(SR.TypeConverterHelperCacheAddFailed(targetType)));
                            }
                        }
                    }
                }
                object result = currentHelper.UntypedConvertFromString(stringValue, context);
                return(result);
            }

            return(base.ConvertFrom(context, culture, value));
        }
Ejemplo n.º 2
0
        internal static void GetRootObjectAndDelegateType(ITypeDescriptorContext context, out object rootObject, out Type delegateType)
        {
            rootObject   = null;
            delegateType = null;

            if (context == null)
            {
                return;
            }

            IRootObjectProvider rootObjectService = context.GetService(typeof(IRootObjectProvider)) as IRootObjectProvider;

            if (rootObjectService == null)
            {
                return;
            }
            rootObject = rootObjectService.RootObject;

            IDestinationTypeProvider targetService = context.GetService(typeof(IDestinationTypeProvider)) as IDestinationTypeProvider;

            if (targetService == null)
            {
                return;
            }
            delegateType = targetService.GetDestinationType();
        }
Ejemplo n.º 3
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 void Initialize(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, Func <IAmbientProvider> ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
 {
     prefix_lookup            = prefixLookup ?? throw new ArgumentNullException("prefixLookup");
     sctx                     = schemaContext ?? throw new ArgumentNullException("schemaContext");
     _ambientProviderProvider = ambientProvider;
     this.provideValue        = provideValue;
     this.rootProvider        = rootProvider;
     this.destinationProvider = destinationProvider;
     this.objectWriterFactory = objectWriterFactory;
 }
Ejemplo n.º 4
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 public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
 {
     if (value.GetType() == typeof(string))
     {
         IDestinationTypeProvider targetService = context.GetService(typeof(IDestinationTypeProvider)) as IDestinationTypeProvider;
         Type targetType = targetService.GetDestinationType();
         return(Activator.CreateInstance(targetType));
     }
     return(base.ConvertFrom(context, culture, value));
 }
		public ValueSerializerContext (PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider)
		{
			if (prefixLookup == null)
				throw new ArgumentNullException ("prefixLookup");
			if (schemaContext == null)
				throw new ArgumentNullException ("schemaContext");
			prefix_lookup = prefixLookup;
			namespace_resolver = new NamespaceResolver (prefix_lookup.Namespaces);
			type_resolver = new XamlTypeResolver (namespace_resolver, schemaContext);
			sctx = schemaContext;
			ambient_provider = ambientProvider;
			this.provideValue = provideValue;
			this.rootProvider = rootProvider;
			this.destinationProvider = destinationProvider;
		}
 public ValueSerializerContext(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
 {
     if (prefixLookup == null)
     {
         throw new ArgumentNullException("prefixLookup");
     }
     if (schemaContext == null)
     {
         throw new ArgumentNullException("schemaContext");
     }
     prefix_lookup            = prefixLookup;
     sctx                     = schemaContext;
     ambient_provider         = ambientProvider;
     this.provideValue        = provideValue;
     this.rootProvider        = rootProvider;
     this.destinationProvider = destinationProvider;
     this.objectWriterFactory = objectWriterFactory;
 }
Ejemplo n.º 7
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 internal static void GetRootObjectAndDelegateType(ITypeDescriptorContext context, out object rootObject, out Type delegateType)
 {
     rootObject   = null;
     delegateType = null;
     if (context != null)
     {
         IRootObjectProvider service = context.GetService(typeof(IRootObjectProvider)) as IRootObjectProvider;
         if (service != null)
         {
             rootObject = service.RootObject;
             IDestinationTypeProvider provider2 = context.GetService(typeof(IDestinationTypeProvider)) as IDestinationTypeProvider;
             if (provider2 != null)
             {
                 delegateType = provider2.GetDestinationType();
             }
         }
     }
 }
Ejemplo n.º 8
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        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            if (value is string path)
            {
                IValueSerializerContext    valueSerializerContext    = (IValueSerializerContext)context;
                IXamlSchemaContextProvider xamlSchemaContextProvider = valueSerializerContext.GetRequiredService <IXamlSchemaContextProvider>();

                if (xamlSchemaContextProvider.SchemaContext is ContentManager.InternalXamlSchemaContext xamlSchemaContext)
                {
                    IDestinationTypeProvider destinationTypeProvider = valueSerializerContext.GetRequiredService <IDestinationTypeProvider>();

                    Type type = destinationTypeProvider.GetDestinationType();

                    return(xamlSchemaContext.ContentManager.DeserializeAsync(path, type, xamlSchemaContext.ParentReference, null).Result);
                }
            }

            return(base.ConvertFrom(context, culture, value));
        }
Ejemplo n.º 9
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 public ValueSerializerContext(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider)
 {
     if (prefixLookup == null)
     {
         throw new ArgumentNullException("prefixLookup");
     }
     if (schemaContext == null)
     {
         throw new ArgumentNullException("schemaContext");
     }
     prefix_lookup      = prefixLookup;
     namespace_resolver = new NamespaceResolver(prefix_lookup.Namespaces);
     type_resolver      = new XamlTypeResolver(namespace_resolver, schemaContext);
     sctx                     = schemaContext;
     ambient_provider         = ambientProvider;
     this.provideValue        = provideValue;
     this.rootProvider        = rootProvider;
     this.destinationProvider = destinationProvider;
 }
Ejemplo n.º 10
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        public static ValueSerializerContext Create(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, Func <IAmbientProvider> ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
        {
            var context = new ValueSerializerContext();

            context.Initialize(prefixLookup, schemaContext, ambientProvider, provideValue, rootProvider, destinationProvider, objectWriterFactory);
            return(context);
        }
Ejemplo n.º 11
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        public static ValueSerializerContext Create(PrefixLookup prefixLookup, XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, IProvideValueTarget provideValue, IRootObjectProvider rootProvider, IDestinationTypeProvider destinationProvider, IXamlObjectWriterFactory objectWriterFactory)
        {
#if !HAS_TYPE_CONVERTER
            ValueSerializerContext context;
            var type = GetValueSerializerType();
            if (type != null)
            {
                context = Activator.CreateInstance(type) as ValueSerializerContext;
            }
            else
            {
                context = new ValueSerializerContext();
            }
#else
            var context = new ValueSerializerContext();
#endif
            context.Initialize(prefixLookup, schemaContext, ambientProvider, provideValue, rootProvider, destinationProvider, objectWriterFactory);
            return(context);
        }