private static BindingPropertyMatchInfo GetBetterProperty(BindingPropertyMatchInfo bestProperty, BindingPropertyMatchInfo newProperty) { if (newProperty.Compatibility == BindingPropertyCompatibility.None || bestProperty.Property != null && (bestProperty.Compatibility == BindingPropertyCompatibility.DataContext && PlatformTypes.Object.Equals((object)newProperty.PropertyType) || newProperty.Compatibility - bestProperty.Compatibility >= 0 && (newProperty.NullableNormalizedPropertyType == bestProperty.NullableNormalizedPropertyType || newProperty.NullableNormalizedPropertyType.IsAssignableFrom((ITypeId)bestProperty.NullableNormalizedPropertyType) || !bestProperty.NullableNormalizedPropertyType.IsAssignableFrom((ITypeId)newProperty.NullableNormalizedPropertyType)))) { return(bestProperty); } return(newProperty); }
public static BindingPropertyMatchInfo GetDefaultBindingPropertyInfo(SceneNode sceneNode, IType dataType) { BindingPropertyMatchInfo bestProperty = new BindingPropertyMatchInfo((IProperty)null); IProperty property = sceneNode.ProjectContext.ResolveProperty(BaseFrameworkElement.DataContextProperty); for (IType type = sceneNode.Type; type != null; type = type.BaseType) { ReferenceStep propertyInternal = BindingPropertyHelper.GetDefaultBindingPropertyInternal(type.NearestResolvedType, sceneNode.ProjectContext); if (propertyInternal != null && BindingPropertyHelper.IsPropertyBindable(sceneNode, new PropertyReference(propertyInternal), BindingPropertyHelper.BindingType.Target)) { BindingPropertyMatchInfo propertyMatchInfo = new BindingPropertyMatchInfo((IProperty)propertyInternal); propertyMatchInfo.Compatibility = propertyInternal != property?BindingPropertyHelper.GetPropertyCompatibility(propertyMatchInfo, dataType, (ITypeResolver)sceneNode.ProjectContext) : BindingPropertyCompatibility.DataContext; bestProperty = BindingPropertyHelper.GetBetterProperty(bestProperty, propertyMatchInfo); } } return(bestProperty); }
private static BindingPropertyCompatibility GetPropertyCompatibility(BindingPropertyMatchInfo propertyInfo, IType dataType, ITypeResolver typeResolver) { IType sourceType = DesignDataHelper.GetSourceType(dataType, typeResolver); if (PlatformTypes.String.IsAssignableFrom((ITypeId)sourceType) && !PlatformTypes.String.IsAssignableFrom((ITypeId)propertyInfo.PropertyType) && PlatformTypes.IEnumerable.IsAssignableFrom((ITypeId)propertyInfo.PropertyType)) { return(BindingPropertyCompatibility.None); } if (propertyInfo.NullableNormalizedPropertyType.IsAssignableFrom((ITypeId)sourceType) || propertyInfo.PropertyType.IsAssignableFrom((ITypeId)sourceType) || propertyInfo.PropertyType.IsBinding) { return(BindingPropertyCompatibility.Assignable); } TypeConverter typeConverter = propertyInfo.Property.TypeConverter ?? propertyInfo.Property.PropertyType.TypeConverter; if (typeConverter != null && typeConverter.CanConvertFrom(sourceType.RuntimeType) && (!PlatformTypes.String.IsAssignableFrom((ITypeId)sourceType) || !PlatformTypes.IConvertible.IsAssignableFrom((ITypeId)propertyInfo.NullableNormalizedPropertyType))) { return(BindingPropertyCompatibility.Convertible); } return(PlatformTypes.String.IsAssignableFrom((ITypeId)propertyInfo.PropertyType) ? BindingPropertyCompatibility.StringSpecial : BindingPropertyCompatibility.None); }
protected override IPropertyId GetDefaultPropertySelection() { BindingPropertyMatchInfo bindingPropertyInfo = BindingPropertyHelper.GetDefaultBindingPropertyInfo(this.TargetElement, this.targetPropertyType); if (bindingPropertyInfo.Compatibility != BindingPropertyCompatibility.None) { ReferenceStep referenceStep = (ReferenceStep)bindingPropertyInfo.Property; if (this.sourceBindingProperties.Contains(referenceStep)) { return((IPropertyId)referenceStep); } } foreach (ReferenceStep referenceStep in (IEnumerable <ReferenceStep>) this.sourceBindingProperties) { if (this.targetPropertyType != null && this.targetPropertyType.IsAssignableFrom((ITypeId)referenceStep.PropertyType)) { return((IPropertyId)referenceStep); } } return((IPropertyId)null); }