예제 #1
0
        public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value)
        {
            string s = value as string;

            if (null == s)
            {
                throw new ArgumentException("XAML can only convert from Strings");
            }

            AmbientTC atc = new AmbientTC();
            IXamlSchemaContextProvider xscProvider = (IXamlSchemaContextProvider)typeDescriptorContext.GetService(typeof(IXamlSchemaContextProvider));
            IAmbientProvider           iAmbient    = (IAmbientProvider)typeDescriptorContext.GetService(typeof(IAmbientProvider));

            XamlType             ambientSP      = xscProvider.SchemaContext.GetXamlType(typeof(FooAmbient));
            XamlMember           textProp       = ambientSP.GetMember("AmbientTC");
            AmbientPropertyValue ambientPropVal = iAmbient.GetFirstAmbientValue(null, textProp);

            if (ambientPropVal == null)
            {
                atc.Text = s;
            }
            else
            {
                atc.Text = s + "-" + (ambientPropVal.Value as string);
            }

            return(atc);
        }
예제 #2
0
        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            IXamlSchemaContextProvider service  = serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;
            IAmbientProvider           provider = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;

            Debug.Assert(provider != null, "The provider should not be null!");

            XamlSchemaContext schemaContext = service.SchemaContext;

            XamlType[] types = new XamlType [] { schemaContext.GetXamlType(typeof(ResourcesDict)) };

            // ResourceDict is marked as Ambient, so the instance current being deserialized should be in this list.
            List <AmbientPropertyValue> list = provider.GetAllAmbientValues(null, false, types) as List <AmbientPropertyValue>;

            if (list.Count != 1)
            {
                throw new Exception("expected ambient property count == 1 but " + list.Count);
            }

            AmbientPropertyValue value = list [0];
            ResourcesDict        dict  = value.Value as ResourcesDict;

            // For this example, we know that dict should not be null and that it is the only value in list.
            object result = dict [this.Key];

            return(result);
        }
예제 #3
0
        public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value)
        {
            String s = value as string;

            if (null == s)
            {
                throw new ArgumentException("XAML can only convert from Strings");
            }

            ColorElement2 e = new ColorElement2();

            IXamlSchemaContextProvider schemaContextProvider = (IXamlSchemaContextProvider)typeDescriptorContext.GetService(typeof(IXamlSchemaContextProvider));
            IAmbientProvider           iAmbient = (IAmbientProvider)typeDescriptorContext.GetService(typeof(IAmbientProvider));

            XamlType             ambientLabel = schemaContextProvider.SchemaContext.GetXamlType(typeof(DerivedFromHasAmbientLabel));
            XamlMember           label        = ambientLabel.GetMember("Num");
            AmbientPropertyValue apVal        = iAmbient.GetFirstAmbientValue(null, label);

            if (apVal == null)
            {
                e.ColorName = s;
            }
            else
            {
                e.ColorName = s + "-" + apVal.Value.ToString();
            }
            return(e);
        }
예제 #4
0
        public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object value)
        {
            String s = value as string;

            if (String.IsNullOrEmpty(s))
            {
                throw new ArgumentException("XAML can only convert from Strings");
            }

            int    dashIdx   = s.IndexOf('-');
            string color     = s;
            string colorType = String.Empty;

            if (dashIdx > 1)
            {
                color     = s.Substring(0, dashIdx);
                colorType = s.Substring(dashIdx + 1);
            }

            ColorElement e = null;

            if (colorType == "Duel")
            {
                e           = new ColorElementDuel();
                e.ColorName = color;
                return(e);
            }
            else
            {
                e = new ColorElement();
            }

            IXamlSchemaContextProvider schemaContextProvider = (IXamlSchemaContextProvider)typeDescriptorContext.GetService(typeof(IXamlSchemaContextProvider));
            IAmbientProvider           iAmbient = (IAmbientProvider)typeDescriptorContext.GetService(typeof(IAmbientProvider));

            XamlType             ambientLabel = schemaContextProvider.SchemaContext.GetXamlType(typeof(HasAmbientLabel));
            XamlMember           label        = ambientLabel.GetMember("Label");
            AmbientPropertyValue apVal        = iAmbient.GetFirstAmbientValue(null, label);

            if (apVal == null)
            {
                e.ColorName = color;
            }
            else
            {
                e.ColorName = color + "-" + apVal.Value.ToString();
            }
            return(e);
        }
        // Setters and triggers may have a sourceName which we need to resolve
        // This only works in templates and it works by looking up the mapping between
        // name and type in the template.  We use ambient lookup to find the Template property
        // and then query it for the type.
        private static Type GetTypeFromName(XamlSchemaContext schemaContext,
                                            IAmbientProvider ambientProvider,
                                            string target)
        {
            XamlType   frameworkTemplateXType = schemaContext.GetXamlType(typeof(FrameworkTemplate));
            XamlMember templateProperty       = frameworkTemplateXType.GetMember("Template");

            AmbientPropertyValue ambientValue =
                ambientProvider.GetFirstAmbientValue(new XamlType[] { frameworkTemplateXType }, templateProperty);
            TemplateContent templateHolder =
                ambientValue.Value as System.Windows.TemplateContent;

            if (templateHolder != null)
            {
                return(templateHolder.GetTypeForName(target).UnderlyingType);
            }
            return(null);
        }
        // Token: 0x0600210D RID: 8461 RVA: 0x00098390 File Offset: 0x00096590
        private static Type GetTypeFromName(XamlSchemaContext schemaContext, IAmbientProvider ambientProvider, string target)
        {
            XamlType             xamlType          = schemaContext.GetXamlType(typeof(FrameworkTemplate));
            XamlMember           member            = xamlType.GetMember("Template");
            AmbientPropertyValue firstAmbientValue = ambientProvider.GetFirstAmbientValue(new XamlType[]
            {
                xamlType
            }, new XamlMember[]
            {
                member
            });
            TemplateContent templateContent = firstAmbientValue.Value as TemplateContent;

            if (templateContent != null)
            {
                return(templateContent.GetTypeForName(target).UnderlyingType);
            }
            return(null);
        }
예제 #7
0
        private List <AmbientPropertyValue> FindAmbientValues(IEnumerable <XamlType> ceilingTypesEnumerable,
                                                              bool searchLiveStackOnly,
                                                              IEnumerable <XamlType> types,
                                                              XamlMember[] properties,
                                                              bool stopAfterFirst)
        {
            ArrayHelper.ForAll <XamlMember>(properties, CheckAmbient);
            List <XamlType> ceilingTypes = ArrayHelper.ToList <XamlType>(ceilingTypesEnumerable);

            List <AmbientPropertyValue> retList = new List <AmbientPropertyValue>();

            // Start the search for ambient properties and types starting with the parent frame.
            ObjectWriterFrame frame      = _stack.PreviousFrame;
            ObjectWriterFrame lowerFrame = _stack.CurrentFrame;

            while (frame.Depth >= 1)
            {
                if (searchLiveStackOnly && frame.Depth <= SavedDepth)
                {
                    break;
                }

                object inst = frame.Instance;

                if (types != null)
                {
                    foreach (XamlType type in types)
                    {
                        if (frame.XamlType != null && frame.XamlType.CanAssignTo(type))
                        {
                            if (inst != null)
                            {
                                AmbientPropertyValue apValue = new AmbientPropertyValue(null, inst);
                                retList.Add(apValue);
                            }
                        }
                    }
                }

                if (properties != null)
                {
                    foreach (XamlMember prop in properties)
                    {
                        bool   returnAmbientValue = false;
                        object value = null;

                        if (frame.XamlType != null && frame.XamlType.CanAssignTo(prop.DeclaringType))
                        {
                            if (inst != null)
                            {
                                // If we are searching from inside the target Ambient property,
                                // (like StaticResource inside a ResourceDictionary)
                                // and the object is bottom-up, then it won't be assigned to
                                // the object but will only exist on the parse stack.
                                // If it is top-down it will be attached to the instance already
                                // and the normal path will serve.
                                if (prop == frame.Member && lowerFrame.Instance != null &&
                                    lowerFrame.XamlType != null && !lowerFrame.XamlType.IsUsableDuringInitialization)
                                {
                                    // One last thing to check:  If the object we are inside is a ME
                                    // then we are inside a call to ProvideValue and we don't want to
                                    // return a reference to ourselves to ourselves.
                                    if (!(lowerFrame.Instance is XAML3.MarkupExtension))
                                    {
                                        returnAmbientValue = true;
                                        value = lowerFrame.Instance;
                                    }
                                }
                                else
                                {   // The Ambient Property is either Fully build or not set.
                                    // FIRST: Ask the object (via IQueryAmbient interface) if it has a value for this property.
                                    // This is usefull to prevent needless creation of empty lazy properties.
                                    var ambientCtrl = inst as XAML3.IQueryAmbient;

                                    // If there is no ambientControl or if ambientControl says YES, then get the property value.
                                    if (ambientCtrl == null || ambientCtrl.IsAmbientPropertyAvailable(prop.Name))
                                    {
                                        returnAmbientValue = true;
                                        value = _runtime.GetValue(inst, prop);
                                    }
                                }
                            }

                            if (returnAmbientValue)
                            {
                                AmbientPropertyValue apValue = new AmbientPropertyValue(prop, value);
                                retList.Add(apValue);
                            }
                        }
                    }
                }

                if (stopAfterFirst && retList.Count > 0)
                {
                    break;
                }

                if (ceilingTypes != null)
                {
                    if (ceilingTypes.Contains(frame.XamlType))
                    {
                        break;
                    }
                }

                lowerFrame = frame;
                frame      = (ObjectWriterFrame)frame.Previous;
                Debug.Assert(frame != null);
            }

            return(retList);
        }
        // Token: 0x0600210C RID: 8460 RVA: 0x00097FBC File Offset: 0x000961BC
        internal static DependencyProperty ResolveProperty(IServiceProvider serviceProvider, string targetName, object source)
        {
            Type               type = null;
            string             text = null;
            DependencyProperty dependencyProperty = source as DependencyProperty;

            if (dependencyProperty != null)
            {
                return(dependencyProperty);
            }
            byte[] array;
            if ((array = (source as byte[])) != null)
            {
                Baml2006SchemaContext baml2006SchemaContext = (serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider).SchemaContext as Baml2006SchemaContext;
                if (array.Length == 2)
                {
                    short propertyId = (short)((int)array[0] | (int)array[1] << 8);
                    return(baml2006SchemaContext.GetDependencyProperty(propertyId));
                }
                using (BinaryReader binaryReader = new BinaryReader(new MemoryStream(array)))
                {
                    type = baml2006SchemaContext.GetXamlType(binaryReader.ReadInt16()).UnderlyingType;
                    text = binaryReader.ReadString();
                    goto IL_142;
                }
            }
            string text2;

            if ((text2 = (source as string)) == null)
            {
                throw new NotSupportedException(SR.Get("ParserCannotConvertPropertyValue", new object[]
                {
                    "Property",
                    typeof(DependencyProperty).FullName
                }));
            }
            text2 = text2.Trim();
            if (text2.Contains("."))
            {
                int    num = text2.LastIndexOf('.');
                string qualifiedTypeName = text2.Substring(0, num);
                text = text2.Substring(num + 1);
                IXamlTypeResolver xamlTypeResolver = serviceProvider.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver;
                type = xamlTypeResolver.Resolve(qualifiedTypeName);
            }
            else
            {
                int num2 = text2.LastIndexOf(':');
                text = text2.Substring(num2 + 1);
            }
IL_142:
            if (type == null && targetName != null)
            {
                IAmbientProvider  ambientProvider = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;
                XamlSchemaContext schemaContext   = (serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider).SchemaContext;
                type = DependencyPropertyConverter.GetTypeFromName(schemaContext, ambientProvider, targetName);
            }
            if (type == null)
            {
                IXamlSchemaContextProvider xamlSchemaContextProvider = serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;
                if (xamlSchemaContextProvider == null)
                {
                    throw new NotSupportedException(SR.Get("ParserCannotConvertPropertyValue", new object[]
                    {
                        "Property",
                        typeof(DependencyProperty).FullName
                    }));
                }
                XamlSchemaContext schemaContext2 = xamlSchemaContextProvider.SchemaContext;
                XamlType          xamlType       = schemaContext2.GetXamlType(typeof(Style));
                XamlType          xamlType2      = schemaContext2.GetXamlType(typeof(FrameworkTemplate));
                XamlType          xamlType3      = schemaContext2.GetXamlType(typeof(DataTemplate));
                XamlType          xamlType4      = schemaContext2.GetXamlType(typeof(ControlTemplate));
                List <XamlType>   list           = new List <XamlType>();
                list.Add(xamlType);
                list.Add(xamlType2);
                list.Add(xamlType3);
                list.Add(xamlType4);
                XamlMember       member           = xamlType.GetMember("TargetType");
                XamlMember       member2          = xamlType2.GetMember("Template");
                XamlMember       member3          = xamlType4.GetMember("TargetType");
                IAmbientProvider ambientProvider2 = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;
                if (ambientProvider2 == null)
                {
                    throw new NotSupportedException(SR.Get("ParserCannotConvertPropertyValue", new object[]
                    {
                        "Property",
                        typeof(DependencyProperty).FullName
                    }));
                }
                AmbientPropertyValue firstAmbientValue = ambientProvider2.GetFirstAmbientValue(list, new XamlMember[]
                {
                    member,
                    member2,
                    member3
                });
                if (firstAmbientValue != null)
                {
                    if (firstAmbientValue.Value is Type)
                    {
                        type = (Type)firstAmbientValue.Value;
                    }
                    else
                    {
                        if (!(firstAmbientValue.Value is TemplateContent))
                        {
                            throw new NotSupportedException(SR.Get("ParserCannotConvertPropertyValue", new object[]
                            {
                                "Property",
                                typeof(DependencyProperty).FullName
                            }));
                        }
                        TemplateContent templateContent = firstAmbientValue.Value as TemplateContent;
                        type = templateContent.OwnerTemplate.TargetTypeInternal;
                    }
                }
            }
            if (type != null && text != null)
            {
                return(DependencyProperty.FromName(text, type));
            }
            throw new NotSupportedException(SR.Get("ParserCannotConvertPropertyValue", new object[]
            {
                "Property",
                typeof(DependencyProperty).FullName
            }));
        }
        // Token: 0x06000865 RID: 2149 RVA: 0x0001B4E8 File Offset: 0x000196E8
        private ResourceDictionary FindTheResourceDictionary(IServiceProvider serviceProvider, bool isDeferredContentSearch)
        {
            IXamlSchemaContextProvider xamlSchemaContextProvider = serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;

            if (xamlSchemaContextProvider == null)
            {
                throw new InvalidOperationException(SR.Get("MarkupExtensionNoContext", new object[]
                {
                    base.GetType().Name,
                    "IXamlSchemaContextProvider"
                }));
            }
            IAmbientProvider ambientProvider = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;

            if (ambientProvider == null)
            {
                throw new InvalidOperationException(SR.Get("MarkupExtensionNoContext", new object[]
                {
                    base.GetType().Name,
                    "IAmbientProvider"
                }));
            }
            XamlSchemaContext schemaContext = xamlSchemaContextProvider.SchemaContext;
            XamlType          xamlType      = schemaContext.GetXamlType(typeof(FrameworkElement));
            XamlType          xamlType2     = schemaContext.GetXamlType(typeof(Style));
            XamlType          xamlType3     = schemaContext.GetXamlType(typeof(FrameworkTemplate));
            XamlType          xamlType4     = schemaContext.GetXamlType(typeof(Application));
            XamlType          xamlType5     = schemaContext.GetXamlType(typeof(FrameworkContentElement));
            XamlMember        member        = xamlType5.GetMember("Resources");
            XamlMember        member2       = xamlType.GetMember("Resources");
            XamlMember        member3       = xamlType2.GetMember("Resources");
            XamlMember        member4       = xamlType2.GetMember("BasedOn");
            XamlMember        member5       = xamlType3.GetMember("Resources");
            XamlMember        member6       = xamlType4.GetMember("Resources");

            XamlType[] types = new XamlType[]
            {
                schemaContext.GetXamlType(typeof(ResourceDictionary))
            };
            IEnumerable <AmbientPropertyValue> allAmbientValues = ambientProvider.GetAllAmbientValues(null, isDeferredContentSearch, types, new XamlMember[]
            {
                member,
                member2,
                member3,
                member4,
                member5,
                member6
            });
            List <AmbientPropertyValue> list = allAmbientValues as List <AmbientPropertyValue>;

            for (int i = 0; i < list.Count; i++)
            {
                AmbientPropertyValue ambientPropertyValue = list[i];
                if (ambientPropertyValue.Value is ResourceDictionary)
                {
                    ResourceDictionary resourceDictionary = (ResourceDictionary)ambientPropertyValue.Value;
                    if (resourceDictionary.Contains(this.ResourceKey))
                    {
                        return(resourceDictionary);
                    }
                }
                if (ambientPropertyValue.Value is Style)
                {
                    Style style = (Style)ambientPropertyValue.Value;
                    ResourceDictionary resourceDictionary2 = style.FindResourceDictionary(this.ResourceKey);
                    if (resourceDictionary2 != null)
                    {
                        return(resourceDictionary2);
                    }
                }
            }
            return(null);
        }
        internal static DependencyProperty ResolveProperty(IServiceProvider serviceProvider,
                                                           string targetName, object source)
        {
            Type   type     = null;
            string property = null;

            DependencyProperty dProperty = source as DependencyProperty;

            byte[] bytes;
            String value;

            if (dProperty != null)
            {
                return(dProperty);
            }
            // If it's a byte[] we got it from BAML.  Let's resolve it using the schema context
            else if ((bytes = source as byte[]) != null)
            {
                Baml2006SchemaContext schemaContext = (serviceProvider.GetService(typeof(IXamlSchemaContextProvider))
                                                       as IXamlSchemaContextProvider).SchemaContext as Baml2006SchemaContext;

                // Array with length of 2 means its an ID for a
                // DependencyProperty in the Baml2006SchemaContext
                if (bytes.Length == 2)
                {
                    short propId = (short)(bytes[0] | (bytes[1] << 8));

                    return(schemaContext.GetDependencyProperty(propId));
                }
                else
                {
                    // Otherwise it's a string with a TypeId encoded in front
                    using (BinaryReader reader = new BinaryReader(new MemoryStream(bytes)))
                    {
                        type     = schemaContext.GetXamlType(reader.ReadInt16()).UnderlyingType;
                        property = reader.ReadString();
                    }
                }
            }
            else if ((value = source as string) != null)
            {
                value = value.Trim();
                // If it contains a . it means that it is a full name with type and property.
                if (value.Contains("."))
                {
                    // Prefixes could have .'s so we take the last one and do a type resolve against that
                    int    lastIndex = value.LastIndexOf('.');
                    string typeName  = value.Substring(0, lastIndex);
                    property = value.Substring(lastIndex + 1);

                    IXamlTypeResolver resolver = serviceProvider.GetService(typeof(IXamlTypeResolver))
                                                 as IXamlTypeResolver;
                    type = resolver.Resolve(typeName);
                }
                else
                {
                    // Only have the property name
                    // Strip prefixes if there are any, v3 essentially discards the prefix in this case
                    int lastIndex = value.LastIndexOf(':');
                    property = value.Substring(lastIndex + 1);
                }
            }
            else
            {
                throw new NotSupportedException(SR.Get(SRID.ParserCannotConvertPropertyValue, "Property", typeof(DependencyProperty).FullName));
            }

            // We got additional info from either Trigger.SourceName or Setter.TargetName
            if (type == null && targetName != null)
            {
                IAmbientProvider ambientProvider = serviceProvider.GetService(typeof(IAmbientProvider))
                                                   as System.Xaml.IAmbientProvider;
                XamlSchemaContext schemaContext = (serviceProvider.GetService(typeof(IXamlSchemaContextProvider))
                                                   as IXamlSchemaContextProvider).SchemaContext;

                type = GetTypeFromName(schemaContext,
                                       ambientProvider, targetName);
            }

            // Still don't have a Type so we need to loop up the chain and grab either Style.TargetType,
            // DataTemplate.DataType, or ControlTemplate.TargetType
            if (type == null)
            {
                IXamlSchemaContextProvider ixscp = (serviceProvider.GetService(typeof(IXamlSchemaContextProvider))
                                                    as IXamlSchemaContextProvider);
                if (ixscp == null)
                {
                    throw new NotSupportedException(SR.Get(SRID.ParserCannotConvertPropertyValue, "Property", typeof(DependencyProperty).FullName));
                }
                XamlSchemaContext schemaContext = ixscp.SchemaContext;

                XamlType styleXType             = schemaContext.GetXamlType(typeof(Style));
                XamlType frameworkTemplateXType = schemaContext.GetXamlType(typeof(FrameworkTemplate));
                XamlType dataTemplateXType      = schemaContext.GetXamlType(typeof(DataTemplate));
                XamlType controlTemplateXType   = schemaContext.GetXamlType(typeof(ControlTemplate));

                List <XamlType> ceilingTypes = new List <XamlType>();
                ceilingTypes.Add(styleXType);
                ceilingTypes.Add(frameworkTemplateXType);
                ceilingTypes.Add(dataTemplateXType);
                ceilingTypes.Add(controlTemplateXType);

                // We don't look for DataTemplate's DataType since we want to use the TargetTypeInternal instead
                XamlMember styleTargetType           = styleXType.GetMember("TargetType");
                XamlMember templateProperty          = frameworkTemplateXType.GetMember("Template");
                XamlMember controlTemplateTargetType = controlTemplateXType.GetMember("TargetType");

                IAmbientProvider ambientProvider = serviceProvider.GetService(typeof(IAmbientProvider))
                                                   as System.Xaml.IAmbientProvider;
                if (ambientProvider == null)
                {
                    throw new NotSupportedException(SR.Get(SRID.ParserCannotConvertPropertyValue, "Property", typeof(DependencyProperty).FullName));
                }
                AmbientPropertyValue firstAmbientValue = ambientProvider.GetFirstAmbientValue(ceilingTypes, styleTargetType,
                                                                                              templateProperty, controlTemplateTargetType);

                if (firstAmbientValue != null)
                {
                    if (firstAmbientValue.Value is Type)
                    {
                        type = (Type)firstAmbientValue.Value;
                    }
                    else if (firstAmbientValue.Value is TemplateContent)
                    {
                        TemplateContent tempContent = firstAmbientValue.Value
                                                      as TemplateContent;

                        type = tempContent.OwnerTemplate.TargetTypeInternal;
                    }
                    else
                    {
                        throw new NotSupportedException(SR.Get(SRID.ParserCannotConvertPropertyValue, "Property", typeof(DependencyProperty).FullName));
                    }
                }
            }

            if (type != null && property != null)
            {
                return(DependencyProperty.FromName(property, type));
            }

            throw new NotSupportedException(SR.Get(SRID.ParserCannotConvertPropertyValue, "Property", typeof(DependencyProperty).FullName));
        }
        private ResourceDictionary FindTheResourceDictionary(IServiceProvider serviceProvider, bool isDeferredContentSearch)
        {
            var schemaContextProvider = serviceProvider.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;

            if (schemaContextProvider == null)
            {
                throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionNoContext, GetType().Name, "IXamlSchemaContextProvider"));
            }

            var ambientProvider = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;

            if (ambientProvider == null)
            {
                throw new InvalidOperationException(SR.Get(SRID.MarkupExtensionNoContext, GetType().Name, "IAmbientProvider"));
            }

            XamlSchemaContext schemaContext = schemaContextProvider.SchemaContext;

            // This seems like a lot of work to do on every Provide Value
            // but that types and properties are cached in the schema.
            //
            XamlType feXType       = schemaContext.GetXamlType(typeof(FrameworkElement));
            XamlType styleXType    = schemaContext.GetXamlType(typeof(Style));
            XamlType templateXType = schemaContext.GetXamlType(typeof(FrameworkTemplate));
            XamlType appXType      = schemaContext.GetXamlType(typeof(Application));
            XamlType fceXType      = schemaContext.GetXamlType(typeof(FrameworkContentElement));

            XamlMember fceResourcesProperty      = fceXType.GetMember("Resources");
            XamlMember feResourcesProperty       = feXType.GetMember("Resources");
            XamlMember styleResourcesProperty    = styleXType.GetMember("Resources");
            XamlMember styleBasedOnProperty      = styleXType.GetMember("BasedOn");
            XamlMember templateResourcesProperty = templateXType.GetMember("Resources");
            XamlMember appResourcesProperty      = appXType.GetMember("Resources");

            XamlType[] types = new XamlType[1] {
                schemaContext.GetXamlType(typeof(ResourceDictionary))
            };

            IEnumerable <AmbientPropertyValue> ambientValues = null;

            ambientValues = ambientProvider.GetAllAmbientValues(null,    // ceilingTypes
                                                                isDeferredContentSearch,
                                                                types,
                                                                fceResourcesProperty,
                                                                feResourcesProperty,
                                                                styleResourcesProperty,
                                                                styleBasedOnProperty,
                                                                templateResourcesProperty,
                                                                appResourcesProperty);

            List <AmbientPropertyValue> ambientList;

            ambientList = ambientValues as List <AmbientPropertyValue>;
            Debug.Assert(ambientList != null, "IAmbientProvider.GetAllAmbientValues no longer returns List<>, please copy the list");

            for (int i = 0; i < ambientList.Count; i++)
            {
                AmbientPropertyValue ambientValue = ambientList[i];

                if (ambientValue.Value is ResourceDictionary)
                {
                    var resourceDictionary = (ResourceDictionary)ambientValue.Value;
                    if (resourceDictionary.Contains(ResourceKey))
                    {
                        return(resourceDictionary);
                    }
                }
                if (ambientValue.Value is Style)
                {
                    var style = (Style)ambientValue.Value;
                    var resourceDictionary = style.FindResourceDictionary(ResourceKey);
                    if (resourceDictionary != null)
                    {
                        return(resourceDictionary);
                    }
                }
            }
            return(null);
        }
        private List <AmbientPropertyValue> FindAmbientValues(IEnumerable <XamlType> ceilingTypesEnumerable, bool searchLiveStackOnly, IEnumerable <XamlType> types, XamlMember[] properties, bool stopAfterFirst)
        {
            ArrayHelper.ForAll <XamlMember>(properties, new Action <XamlMember>(ObjectWriterContext.CheckAmbient));
            List <XamlType>             list          = ArrayHelper.ToList <XamlType>(ceilingTypesEnumerable);
            List <AmbientPropertyValue> list2         = new List <AmbientPropertyValue>();
            ObjectWriterFrame           previousFrame = this._stack.PreviousFrame;
            ObjectWriterFrame           currentFrame  = this._stack.CurrentFrame;

            while (previousFrame.Depth >= 1)
            {
                if (searchLiveStackOnly && (previousFrame.Depth <= this.SavedDepth))
                {
                    return(list2);
                }
                object instance = previousFrame.Instance;
                if (types != null)
                {
                    foreach (XamlType type in types)
                    {
                        if (((previousFrame.XamlType != null) && previousFrame.XamlType.CanAssignTo(type)) && (instance != null))
                        {
                            AmbientPropertyValue item = new AmbientPropertyValue(null, instance);
                            list2.Add(item);
                        }
                    }
                }
                if (properties != null)
                {
                    foreach (XamlMember member in properties)
                    {
                        bool   flag = false;
                        object obj3 = null;
                        if ((previousFrame.XamlType != null) && previousFrame.XamlType.CanAssignTo(member.DeclaringType))
                        {
                            if (instance != null)
                            {
                                if (((member == previousFrame.Member) && (currentFrame.Instance != null)) && ((currentFrame.XamlType != null) && !currentFrame.XamlType.IsUsableDuringInitialization))
                                {
                                    if (!typeof(MarkupExtension).IsAssignableFrom(currentFrame.Instance.GetType()))
                                    {
                                        flag = true;
                                        obj3 = currentFrame.Instance;
                                    }
                                }
                                else
                                {
                                    IQueryAmbient ambient = instance as IQueryAmbient;
                                    if ((ambient == null) || ambient.IsAmbientPropertyAvailable(member.Name))
                                    {
                                        flag = true;
                                        obj3 = this._runtime.GetValue(instance, member);
                                    }
                                }
                            }
                            if (flag)
                            {
                                AmbientPropertyValue value3 = new AmbientPropertyValue(member, obj3);
                                list2.Add(value3);
                            }
                        }
                    }
                }
                if (stopAfterFirst && (list2.Count > 0))
                {
                    return(list2);
                }
                if ((list != null) && list.Contains(previousFrame.XamlType))
                {
                    return(list2);
                }
                currentFrame  = previousFrame;
                previousFrame = (ObjectWriterFrame)previousFrame.Previous;
            }
            return(list2);
        }
예제 #13
0
        /// <summary>
        ///     Convert a string like "Button.Click" into the corresponding RoutedEvent
        /// </summary>
        public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext,
                                           CultureInfo cultureInfo,
                                           object source)
        {
            string      routedEventName = source as string;
            RoutedEvent routedEvent     = null;

            if (routedEventName != null)
            {
                routedEventName = routedEventName.Trim();
                IServiceProvider serviceProvider = typeDescriptorContext as IServiceProvider;

                if (serviceProvider != null)
                {
                    IXamlTypeResolver resolver = serviceProvider.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver;
                    Type type = null;

                    if (resolver != null)
                    {
                        // Verify that there's at least one period.  (A simple
                        //  but not foolproof check for "[class].[event]")
                        int lastIndex = routedEventName.IndexOf('.');
                        if (lastIndex != -1)
                        {
                            string typeName = routedEventName.Substring(0, lastIndex);
                            routedEventName = routedEventName.Substring(lastIndex + 1);

                            type = resolver.Resolve(typeName);
                        }
                    }

                    if (type == null)
                    {
                        IXamlSchemaContextProvider schemaContextProvider = (typeDescriptorContext.
                                                                            GetService(typeof(IXamlSchemaContextProvider))
                                                                            as IXamlSchemaContextProvider);

                        IAmbientProvider iapp = serviceProvider.GetService(typeof(IAmbientProvider)) as IAmbientProvider;

                        if (schemaContextProvider != null && iapp != null)
                        {
                            XamlSchemaContext schemaContext = schemaContextProvider.SchemaContext;

                            XamlType styleXType = schemaContext.GetXamlType(typeof(Style));

                            List <XamlType> ceilingTypes = new List <XamlType>();
                            ceilingTypes.Add(styleXType);

                            XamlMember styleTargetType = styleXType.GetMember("TargetType");

                            AmbientPropertyValue firstAmbientValue = iapp.GetFirstAmbientValue(ceilingTypes, styleTargetType);

                            if (firstAmbientValue != null)
                            {
                                type = firstAmbientValue.Value as Type;
                            }
                            if (type == null)
                            {
                                type = typeof(FrameworkElement);
                            }
                        }
                    }

                    if (type != null)
                    {
                        Type currentType = type;

                        // Force load the Statics by walking up the hierarchy and running class constructors
                        while (null != currentType)
                        {
                            MS.Internal.WindowsBase.SecurityHelper.RunClassConstructor(currentType);
                            currentType = currentType.BaseType;
                        }

                        routedEvent = EventManager.GetRoutedEventFromName(routedEventName, type);
                    }
                }
            }

            if (routedEvent == null)
            {
                // Falling through here means we are unable to perform the conversion.
                throw GetConvertFromException(source);
            }

            return(routedEvent);
        }
예제 #14
0
        /// <summary>Attempts to convert the specified object to a <see cref="T:System.Windows.RoutedEvent" /> object, using the specified context.</summary>
        /// <param name="typeDescriptorContext">A format context that provides information about the environment from which this converter is being invoked.</param>
        /// <param name="cultureInfo">Culture specific information.</param>
        /// <param name="source">The object to convert.</param>
        /// <returns>The conversion result.</returns>
        /// <exception cref="T:System.NotSupportedException">
        ///         <paramref name="source" /> is not a string or cannot be converted.</exception>
        // Token: 0x0600223F RID: 8767 RVA: 0x000AA6D4 File Offset: 0x000A88D4
        public override object ConvertFrom(ITypeDescriptorContext typeDescriptorContext, CultureInfo cultureInfo, object source)
        {
            string      text        = source as string;
            RoutedEvent routedEvent = null;

            if (text != null)
            {
                text = text.Trim();
                if (typeDescriptorContext != null)
                {
                    IXamlTypeResolver xamlTypeResolver = typeDescriptorContext.GetService(typeof(IXamlTypeResolver)) as IXamlTypeResolver;
                    Type type = null;
                    if (xamlTypeResolver != null)
                    {
                        int num = text.IndexOf('.');
                        if (num != -1)
                        {
                            string qualifiedTypeName = text.Substring(0, num);
                            text = text.Substring(num + 1);
                            type = xamlTypeResolver.Resolve(qualifiedTypeName);
                        }
                    }
                    if (type == null)
                    {
                        IXamlSchemaContextProvider xamlSchemaContextProvider = typeDescriptorContext.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;
                        IAmbientProvider           ambientProvider           = typeDescriptorContext.GetService(typeof(IAmbientProvider)) as IAmbientProvider;
                        if (xamlSchemaContextProvider != null && ambientProvider != null)
                        {
                            XamlSchemaContext schemaContext = xamlSchemaContextProvider.SchemaContext;
                            XamlType          xamlType      = schemaContext.GetXamlType(typeof(Style));
                            List <XamlType>   list          = new List <XamlType>();
                            list.Add(xamlType);
                            XamlMember           member            = xamlType.GetMember("TargetType");
                            AmbientPropertyValue firstAmbientValue = ambientProvider.GetFirstAmbientValue(list, new XamlMember[]
                            {
                                member
                            });
                            if (firstAmbientValue != null)
                            {
                                type = (firstAmbientValue.Value as Type);
                            }
                            if (type == null)
                            {
                                type = typeof(FrameworkElement);
                            }
                        }
                    }
                    if (type != null)
                    {
                        Type type2 = type;
                        while (null != type2)
                        {
                            SecurityHelper.RunClassConstructor(type2);
                            type2 = type2.BaseType;
                        }
                        routedEvent = EventManager.GetRoutedEventFromName(text, type);
                    }
                }
            }
            if (routedEvent == null)
            {
                throw base.GetConvertFromException(source);
            }
            return(routedEvent);
        }