public static IEnumerable <EnumMemberInfo> GetEnumSource(Type enumType, bool useUnderlyingEnumValue = true, IValueConverter nameConverter = null, bool splitNames = false, EnumMembersSortMode sortMode = EnumMembersSortMode.Default, Func <string, bool, string> getKnownImageUriCallback = null, bool showImage = true, bool showName = true)
{
var result = enumType.GetFields(BindingFlags.Static | BindingFlags.Public)
.Where(field => DataAnnotationsAttributeHelper.GetAutoGenerateField(field))
.Select(field => {
Enum value = (Enum)field.GetValue(null);
string name = GetEnumName(field, value, nameConverter, splitNames);
var imageInfo = GetImageInfo(MetadataHelper.GetAttribute <ImageAttribute>(field), MetadataHelper.GetAttribute <DXImageAttribute>(field), null, getKnownImageUriCallback);
ImageSource image = (imageInfo.Item1 ?? imageInfo.Item2).With(x => (ImageSource) new ImageSourceConverter().ConvertFrom(x));
return(new EnumMemberInfo(name, DataAnnotationsAttributeHelper.GetFieldDescription(field), useUnderlyingEnumValue ? GetUnderlyingEnumValue(value) : value, image, showImage, showName));
});
switch (sortMode)
{
case EnumMembersSortMode.DisplayName:
result = result.OrderBy(x => x.Name);
break;
case EnumMembersSortMode.DisplayNameDescending:
result = result.OrderByDescending(x => x.Name);
break;
case EnumMembersSortMode.DisplayNameLength:
result = result.OrderBy(x => x.Name.Length);
break;
case EnumMembersSortMode.DisplayNameLengthDescending:
result = result.OrderByDescending(x => x.Name.Length);
break;
}
return(result.ToArray());
}
public static PropertyValidator FromAttributes(IEnumerable attributes, string propertyName)
{
try {
var displayName = DataAnnotationsAttributeHelper.GetDisplayName(attributes.OfType <Attribute>()) ?? propertyName;
var validationAttributes = attributes != null?attributes.OfType <ValidationAttribute>().ToArray() : new ValidationAttribute[0];
var dxValidationAttributes = attributes != null?attributes.OfType <DXValidationAttribute>().ToArray() : new DXValidationAttribute[0];
return(validationAttributes.Any() || dxValidationAttributes.Any() ? new PropertyValidator(validationAttributes, dxValidationAttributes, propertyName, displayName) : null);
} catch (TypeAccessException) {
return(null);
}
}
static IAttributesProvider GetExternalAndFluentAPIAttrbutesCore(Type componentType)
{
IEnumerable <IAttributesProvider> result = new IAttributesProvider[0];
foreach (var type in GetHierarchy(componentType))
{
IEnumerable <Type> metadataClassType = DataAnnotationsAttributeHelper.GetMetadataClassType(type)
.Return(x => new[] { x }, () => Enumerable.Empty <Type>());
IEnumerable <Type> externalMetadataClassTypes = GetMetadataTypes(MetadataLocator.Default, type);
result = result.Concat(metadataClassType.Concat(externalMetadataClassTypes).GetProviders(type));
GetFluentAPIAttributesFromStaticMethod(type, type).Do(x => result = result.Concat(new[] { x }));
}
return(CompositeMetadataAttributesProvider.Create(result));
}
static string GetEnumName(FieldInfo field, Enum value, IValueConverter nameConverter, bool splitNames)
{
if (nameConverter != null)
{
return(nameConverter.Convert(value, typeof(string), null, CultureInfo.CurrentCulture) as string);
}
string displayName = DataAnnotationsAttributeHelper.GetFieldDisplayName(field);
string name = displayName ?? TypeDescriptor.GetConverter(value.GetType()).ConvertTo(value, typeof(string)) as string;
if (splitNames && displayName == null)
{
return(SplitStringHelper.SplitPascalCaseString(name));
}
return(name);
}
public static IEnumerable <EnumMemberInfo> GetEnumSource(Type enumType, bool useUnderlyingEnumValue = true, IValueConverter nameConverter = null,
bool splitNames = false, EnumMembersSortMode sortMode = EnumMembersSortMode.Default, Func <string, bool, string> getKnownImageUriCallback = null,
bool showImage = true, bool showName = true, Func <string, ImageSource> getSvgImageSource = null, Size?imageSize = null)
{
if (enumType == null || !enumType.IsEnum)
{
return(Enumerable.Empty <EnumMemberInfo>());
}
Func <string, ImageSource> getImageSource = uri => (ImageSource) new ImageSourceConverter().ConvertFrom(uri);
var result = enumType.GetFields(BindingFlags.Static | BindingFlags.Public)
.Where(field => DataAnnotationsAttributeHelper.GetAutoGenerateField(field))
.Select(field => {
Enum value = (Enum)field.GetValue(null);
string name = GetEnumName(field, value, nameConverter, splitNames);
var imageInfo = GetImageInfo(MetadataHelper.GetAttribute <ImageAttribute>(field), MetadataHelper.GetAttribute <DXImageAttribute>(field), null, getKnownImageUriCallback);
string imageUri = ViewModelBase.IsInDesignMode ? null : (imageInfo.Item1 ?? imageInfo.Item2);
Func <ImageSource> getImage = () => imageUri.With(TryGetImageSource(CanCreateSvgImageSource(getSvgImageSource, imageUri)
? getSvgImageSource : getImageSource));
return(new EnumMemberInfo(name, DataAnnotationsAttributeHelper.GetFieldDescription(field), useUnderlyingEnumValue ? GetUnderlyingEnumValue(value) : value,
showImage, showName, getImage, imageSize, DataAnnotationsAttributeHelper.GetFieldOrder(field)));
});
switch (sortMode)
{
case EnumMembersSortMode.DisplayName:
result = result.OrderBy(x => x.Name);
break;
case EnumMembersSortMode.DisplayNameDescending:
result = result.OrderByDescending(x => x.Name);
break;
case EnumMembersSortMode.DisplayNameLength:
result = result.OrderBy(x => x.Name.Length);
break;
case EnumMembersSortMode.DisplayNameLengthDescending:
result = result.OrderByDescending(x => x.Name.Length);
break;
}
return(result.OrderBy(x => (x.Order != null) ? x.Order : DefaultDisplayOrder).ToArray());
}
static IAttributesProvider GetExtenalAndFluentAPIAttrbutesCore(Type componentType)
{
IEnumerable <IAttributesProvider> result = new IAttributesProvider[0];
while (componentType != null)
{
Type metadataClassType = DataAnnotationsAttributeHelper.GetMetadataClassType(componentType);
if (metadataClassType != null)
{
result = result.Concat(GetAllMetadataAttributes(metadataClassType, componentType));
}
Type[] externalMetadataClassTypes = MetadataLocator.Default.With(x => x.GetMetadataTypes(GetTypeOrGenericTypeDefinition(componentType)));
if (externalMetadataClassTypes != null)
{
foreach (var externalMetadataClassType in externalMetadataClassTypes)
{
result = result.Concat(GetAllMetadataAttributes(externalMetadataClassType, componentType));
}
}
GetFluentAPIAttributesFromStaticMethod(componentType, componentType).Do(x => result = result.Concat(new[] { x }));
componentType = componentType.BaseType;
}
return(new CompositeMetadataAttributesProvider(result.Where(x => x != null).ToArray()));
}
internal override IEnumerable <object> GetConstructorParametersCore(Attribute attribute)
{
return(DataAnnotationsAttributeHelper.GetScaffoldColumnAttributeConstructorParameters(attribute));
}
internal override LambdaExpression GetConstructorExpressionCore()
{
return(DataAnnotationsAttributeHelper.GetScaffoldColumnAttributeCreateExpression());
}
internal override IEnumerable <Tuple <PropertyInfo, object> > GetPropertyValuePairsCore(Attribute attribute)
{
return(DataAnnotationsAttributeHelper.GetDisplayAttributePropertyValuePairs(attribute));
}
