private ModelMetadata CloneMetadata(Func <object> modelAccessor)
{
var cachedMetadata = _metadata as CachedDataAnnotationsModelMetadata;
var annotationsMetadata = _metadata as DataAnnotationsModelMetadata;
ModelMetadata clonedMetadata;
if (cachedMetadata != null)
{
clonedMetadata = new CachedDataAnnotationsModelMetadata(cachedMetadata, modelAccessor);
}
else if (annotationsMetadata != null)
{
var provider = (_oldMetadataProvider as DataAnnotationsModelMetadataProvider) ?? AnnotationsProvider;
clonedMetadata = new DataAnnotationsModelMetadata(
provider,
annotationsMetadata.ContainerType,
modelAccessor,
_modelType,
annotationsMetadata.PropertyName,
displayColumnAttribute: null); // Copying SimpleDisplayText below compensates for null here.
}
else
{
clonedMetadata = new ModelMetadata(
_oldMetadataProvider,
_metadata.ContainerType,
modelAccessor,
_modelType,
_metadata.PropertyName);
}
// Undo all the lazy-initialization of ModelMetadata and CachedDataAnnotationsModelMetadata...
clonedMetadata.Container = _metadata.Container; // May be incorrect.
clonedMetadata.ConvertEmptyStringToNull = _metadata.ConvertEmptyStringToNull;
clonedMetadata.DataTypeName = _metadata.DataTypeName;
clonedMetadata.Description = _metadata.Description;
clonedMetadata.DisplayFormatString = _metadata.DisplayFormatString;
clonedMetadata.DisplayName = _metadata.DisplayName;
clonedMetadata.EditFormatString = _metadata.EditFormatString;
clonedMetadata.HasNonDefaultEditFormat = _metadata.HasNonDefaultEditFormat;
clonedMetadata.HideSurroundingHtml = _metadata.HideSurroundingHtml;
clonedMetadata.HtmlEncode = _metadata.HtmlEncode;
clonedMetadata.IsReadOnly = _metadata.IsReadOnly;
clonedMetadata.IsRequired = _metadata.IsRequired;
clonedMetadata.NullDisplayText = _metadata.NullDisplayText;
clonedMetadata.Order = _metadata.Order;
clonedMetadata.RequestValidationEnabled = _metadata.RequestValidationEnabled;
clonedMetadata.ShortDisplayName = _metadata.ShortDisplayName;
clonedMetadata.ShowForDisplay = _metadata.ShowForDisplay;
clonedMetadata.ShowForEdit = _metadata.ShowForEdit;
clonedMetadata.SimpleDisplayText = _metadata.SimpleDisplayText;
clonedMetadata.TemplateHint = _metadata.TemplateHint;
clonedMetadata.Watermark = _metadata.Watermark;
foreach (var keyValuePair in _metadata.AdditionalValues)
{
clonedMetadata.AdditionalValues.Add(keyValuePair.Key, keyValuePair.Value);
}
return(clonedMetadata);
}
protected override ModelMetadata CreateMetadata(IEnumerable <Attribute> attributes, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName)
{
EntityProp eprop = modelAccessor();
DataAnnotationsModelMetadata result;
if (propertyName == null)
{
// You have the main object
return(base.CreateMetadata(attributes, containerType, modelAccessor, modelType, propertyName));
}
else
{
// You have here the property object
result = new DataAnnotationsModelMetadata(this, containerType, () => eprop.Value, modelType, propertyName, null);
result.IsRequired = eprop.IsRequired;
}
return(result);
}
//public override IEnumerable<ModelMetadata> GetMetadataForProperties(object container, Type containerType)
//{
// return base.GetMetadataForProperties(container, containerType);
//}
//public override ModelMetadata GetMetadataForType(Func<object> modelAccessor, Type modelType)
//{
// return base.GetMetadataForType(modelAccessor, modelType);
//}
//public override ModelMetadata GetMetadataForProperty(Func<object> modelAccessor, Type containerType, string propertyName)
//{
// return base.GetMetadataForProperty(modelAccessor, containerType, propertyName);
//}
//protected override ModelMetadata GetMetadataForProperty(Func<object> modelAccessor, Type containerType, System.ComponentModel.PropertyDescriptor propertyDescriptor)
//{
// return base.GetMetadataForProperty(modelAccessor, containerType, propertyDescriptor);
//}
protected override ModelMetadata CreateMetadata(IEnumerable <Attribute> attributes, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName)
{
//Reflected from base class
List <Attribute> list = new List <Attribute>(attributes);
DisplayColumnAttribute displayColumnAttribute = Enumerable.FirstOrDefault <DisplayColumnAttribute>(Enumerable.OfType <DisplayColumnAttribute>((IEnumerable)list));
DataAnnotationsModelMetadata annotationsModelMetadata = null;
//brl additions
//if this is a BOV backed object
if (containerType != null && Attribute.IsDefined(containerType, typeof(DryLogicObjectAttribute)) && propertyName != "OI")
{
Object container = null;
ObjectInstance oi = null;
//By having this code here instead of in GetMetadataForProperty, some of the normal features like ui hint will work
if (modelAccessor != null)
{
var rootModelType = modelAccessor.Target.GetType();
var field = rootModelType.GetField("container");
if (field != null)
{
container = field.GetValue(modelAccessor.Target);
//if we don't have a reference to the container yet...
if (container.GetType() != containerType)
{
//...then try to break down the expression to get it
//get the expression as text, ie "model.EmployeeViewModel.MyEmployee" and split it
var expressionParts = ((LambdaExpression)rootModelType.GetField("expression").GetValue(modelAccessor.Target)).Body.ToString().Split('.');
//var expressionParts = new string[] { };
//loop thru the parts in the middle
for (int i = 1; i < expressionParts.Length - 1; i++)
{
container = container.GetType().GetProperty(expressionParts[i]).GetValue(container);
}
}
//could use an attribute instead to identify the object instance
oi = ObjectInstance.GetObjectInstance(container);
if (oi != null)//not really sure how this woudl fail at this point
{
annotationsModelMetadata = new PropertyValueMetadata(this, containerType, modelAccessor, modelType, propertyName, displayColumnAttribute);
annotationsModelMetadata.Container = container;
//internally, setting model wipes out modelAccessor (caching of sorts)
annotationsModelMetadata.Model = oi.PropertyValues[propertyName];
annotationsModelMetadata.TemplateHint = "PropertyValue";
}
}
}
}
if (annotationsModelMetadata == null)
{
annotationsModelMetadata = new DataAnnotationsModelMetadata(this, containerType, modelAccessor, modelType, propertyName, displayColumnAttribute);
}
HiddenInputAttribute hiddenInputAttribute = Enumerable.FirstOrDefault <HiddenInputAttribute>(Enumerable.OfType <HiddenInputAttribute>((IEnumerable)list));
if (hiddenInputAttribute != null)
{
annotationsModelMetadata.TemplateHint = "HiddenInput";
annotationsModelMetadata.HideSurroundingHtml = !hiddenInputAttribute.DisplayValue;
}
IEnumerable <UIHintAttribute> source = Enumerable.OfType <UIHintAttribute>((IEnumerable)list);
UIHintAttribute uiHintAttribute = Enumerable.FirstOrDefault <UIHintAttribute>(source, (Func <UIHintAttribute, bool>)(a => string.Equals(a.PresentationLayer, "MVC", StringComparison.OrdinalIgnoreCase))) ?? Enumerable.FirstOrDefault <UIHintAttribute>(source, (Func <UIHintAttribute, bool>)(a => string.IsNullOrEmpty(a.PresentationLayer)));
if (uiHintAttribute != null)
{
annotationsModelMetadata.TemplateHint = uiHintAttribute.UIHint;
}
DataTypeAttribute attribute = Enumerable.FirstOrDefault <DataTypeAttribute>(Enumerable.OfType <DataTypeAttribute>((IEnumerable)list));
if (attribute != null)
{
annotationsModelMetadata.DataTypeName = DataTypeUtil.ToDataTypeName(attribute, (Func <DataTypeAttribute, bool>)null);
}
EditableAttribute editableAttribute = Enumerable.FirstOrDefault <EditableAttribute>(Enumerable.OfType <EditableAttribute>((IEnumerable)attributes));
if (editableAttribute != null)
{
annotationsModelMetadata.IsReadOnly = !editableAttribute.AllowEdit;
}
else
{
ReadOnlyAttribute readOnlyAttribute = Enumerable.FirstOrDefault <ReadOnlyAttribute>(Enumerable.OfType <ReadOnlyAttribute>((IEnumerable)list));
if (readOnlyAttribute != null)
{
annotationsModelMetadata.IsReadOnly = readOnlyAttribute.IsReadOnly;
}
}
DisplayFormatAttribute displayFormatAttribute = Enumerable.FirstOrDefault <DisplayFormatAttribute>(Enumerable.OfType <DisplayFormatAttribute>((IEnumerable)list));
if (displayFormatAttribute == null && attribute != null)
{
displayFormatAttribute = attribute.DisplayFormat;
}
if (displayFormatAttribute != null)
{
annotationsModelMetadata.NullDisplayText = displayFormatAttribute.NullDisplayText;
annotationsModelMetadata.DisplayFormatString = displayFormatAttribute.DataFormatString;
annotationsModelMetadata.ConvertEmptyStringToNull = displayFormatAttribute.ConvertEmptyStringToNull;
if (displayFormatAttribute.ApplyFormatInEditMode)
{
annotationsModelMetadata.EditFormatString = displayFormatAttribute.DataFormatString;
}
if (!displayFormatAttribute.HtmlEncode && string.IsNullOrWhiteSpace(annotationsModelMetadata.DataTypeName))
{
annotationsModelMetadata.DataTypeName = DataTypeUtil.HtmlTypeName;
}
}
ScaffoldColumnAttribute scaffoldColumnAttribute = Enumerable.FirstOrDefault <ScaffoldColumnAttribute>(Enumerable.OfType <ScaffoldColumnAttribute>((IEnumerable)list));
if (scaffoldColumnAttribute != null)
{
annotationsModelMetadata.ShowForDisplay = annotationsModelMetadata.ShowForEdit = scaffoldColumnAttribute.Scaffold;
}
DisplayAttribute displayAttribute = Enumerable.FirstOrDefault <DisplayAttribute>(Enumerable.OfType <DisplayAttribute>((IEnumerable)attributes));
string str = (string)null;
if (displayAttribute != null)
{
annotationsModelMetadata.Description = displayAttribute.GetDescription();
annotationsModelMetadata.ShortDisplayName = displayAttribute.GetShortName();
annotationsModelMetadata.Watermark = displayAttribute.GetPrompt();
annotationsModelMetadata.Order = displayAttribute.GetOrder() ?? 10000;
str = displayAttribute.GetName();
}
if (str != null)
{
annotationsModelMetadata.DisplayName = str;
}
else
{
DisplayNameAttribute displayNameAttribute = Enumerable.FirstOrDefault <DisplayNameAttribute>(Enumerable.OfType <DisplayNameAttribute>((IEnumerable)list));
if (displayNameAttribute != null)
{
annotationsModelMetadata.DisplayName = displayNameAttribute.DisplayName;
}
}
if (Enumerable.FirstOrDefault <RequiredAttribute>(Enumerable.OfType <RequiredAttribute>((IEnumerable)list)) != null)
{
annotationsModelMetadata.IsRequired = true;
}
return((ModelMetadata)annotationsModelMetadata);
}
private ModelMetadata CloneMetadata(Func<object> modelAccessor)
{
var cachedMetadata = _metadata as CachedDataAnnotationsModelMetadata;
var annotationsMetadata = _metadata as DataAnnotationsModelMetadata;
ModelMetadata clonedMetadata;
if (cachedMetadata != null)
{
clonedMetadata = new CachedDataAnnotationsModelMetadata(cachedMetadata, modelAccessor);
}
else if (annotationsMetadata != null)
{
var provider = (_oldMetadataProvider as DataAnnotationsModelMetadataProvider) ?? AnnotationsProvider;
clonedMetadata = new DataAnnotationsModelMetadata(
provider,
annotationsMetadata.ContainerType,
modelAccessor,
_modelType,
annotationsMetadata.PropertyName,
displayColumnAttribute: null); // Copying SimpleDisplayText below compensates for null here.
}
else
{
clonedMetadata = new ModelMetadata(
_oldMetadataProvider,
_metadata.ContainerType,
modelAccessor,
_modelType,
_metadata.PropertyName);
}
// Undo all the lazy-initialization of ModelMetadata and CachedDataAnnotationsModelMetadata...
clonedMetadata.Container = _metadata.Container; // May be incorrect.
clonedMetadata.ConvertEmptyStringToNull = _metadata.ConvertEmptyStringToNull;
clonedMetadata.DataTypeName = _metadata.DataTypeName;
clonedMetadata.Description = _metadata.Description;
clonedMetadata.DisplayFormatString = _metadata.DisplayFormatString;
clonedMetadata.DisplayName = _metadata.DisplayName;
clonedMetadata.EditFormatString = _metadata.EditFormatString;
clonedMetadata.HasNonDefaultEditFormat = _metadata.HasNonDefaultEditFormat;
clonedMetadata.HideSurroundingHtml = _metadata.HideSurroundingHtml;
clonedMetadata.HtmlEncode = _metadata.HtmlEncode;
clonedMetadata.IsReadOnly = _metadata.IsReadOnly;
clonedMetadata.IsRequired = _metadata.IsRequired;
clonedMetadata.NullDisplayText = _metadata.NullDisplayText;
clonedMetadata.Order = _metadata.Order;
clonedMetadata.RequestValidationEnabled = _metadata.RequestValidationEnabled;
clonedMetadata.ShortDisplayName = _metadata.ShortDisplayName;
clonedMetadata.ShowForDisplay = _metadata.ShowForDisplay;
clonedMetadata.ShowForEdit = _metadata.ShowForEdit;
clonedMetadata.SimpleDisplayText = _metadata.SimpleDisplayText;
clonedMetadata.TemplateHint = _metadata.TemplateHint;
clonedMetadata.Watermark = _metadata.Watermark;
foreach (var keyValuePair in _metadata.AdditionalValues)
{
clonedMetadata.AdditionalValues.Add(keyValuePair.Key, keyValuePair.Value);
}
return clonedMetadata;
}
