internal static bool IsFilterableColumn(IMetaColumn column, IPrincipal user)
{
DisplayAttribute attribute = column.Attributes.FirstOrDefault <DisplayAttribute>();
if ((attribute != null) && attribute.GetAutoGenerateFilter().HasValue)
{
return(attribute.GetAutoGenerateFilter().Value);
}
if (!string.IsNullOrEmpty(column.FilterUIHint))
{
return(true);
}
if (!column.Scaffold)
{
return(false);
}
if (column.IsCustomProperty)
{
return(false);
}
IMetaForeignKeyColumn column2 = column as IMetaForeignKeyColumn;
if (column2 != null)
{
return(column2.ParentTable.CanRead(user));
}
return((column.ColumnType == typeof(bool)) || (column.GetEnumType() != null));
}
public void AutoGenerateFilter_Get_NotSet_ThrowsInvalidOperationException()
{
DisplayAttribute attribute = new DisplayAttribute();
Assert.Throws <InvalidOperationException>(() => attribute.AutoGenerateFilter);
Assert.Null(attribute.GetAutoGenerateFilter());
}
public void AutoGenerateFilter_Get_Set(bool value)
{
DisplayAttribute attribute = new DisplayAttribute();
attribute.AutoGenerateFilter = value;
Assert.Equal(value, attribute.AutoGenerateFilter);
Assert.Equal(value, attribute.GetAutoGenerateFilter());
}
public void DisplayAttribute_AutoGenerateFilter_Can_Be_Set_And_Retrieved()
{
DisplayAttribute attr = new DisplayAttribute {
AutoGenerateFilter = true
};
Assert.IsTrue(attr.AutoGenerateFilter, "AutoGenerateFilter should be true after setting it to true");
Assert.IsTrue(attr.GetAutoGenerateFilter().Value, "GetAutoGenerateFilter should be true after setting it to true");
attr = new DisplayAttribute {
AutoGenerateFilter = false
};
Assert.IsFalse(attr.AutoGenerateFilter, "AutoGenerateFilter should be false after setting it to false");
Assert.IsFalse(attr.GetAutoGenerateFilter().Value, "GetAutoGenerateFilter should be false after setting it to false");
}
public void OrderAndAutoGenerateProperties_Success()
{
var display = new DisplayAttribute()
{
Order = 1,
AutoGenerateField = true,
AutoGenerateFilter = false
};
Assert.AreEqual(1, display.Order);
Assert.AreEqual(1, display.GetOrder());
Assert.AreEqual(true, display.AutoGenerateField);
Assert.AreEqual(true, display.GetAutoGenerateField());
Assert.AreEqual(false, display.AutoGenerateFilter);
Assert.AreEqual(false, display.GetAutoGenerateFilter());
}
public static DisplayAttribute Copy(this DisplayAttribute srcAttribute)
{
if (srcAttribute == null)
{
return(null);
}
var copy = new DisplayAttribute
{
Name = srcAttribute.Name,
GroupName = srcAttribute.GroupName,
Description = srcAttribute.Description,
ResourceType = srcAttribute.ResourceType,
ShortName = srcAttribute.ShortName,
Prompt = srcAttribute.Prompt
};
var order = srcAttribute.GetOrder();
if (order != null)
{
copy.Order = order.Value;
}
var autoGenerateField = srcAttribute.GetAutoGenerateField();
if (autoGenerateField != null)
{
copy.AutoGenerateField = autoGenerateField.Value;
}
var autoGenerateFilter = srcAttribute.GetAutoGenerateFilter();
if (autoGenerateFilter != null)
{
copy.AutoGenerateFilter = autoGenerateFilter.Value;
}
return(copy);
}
public static DisplayAttribute Copy(this DisplayAttribute attribute)
{
if (attribute == null)
{
return(null);
}
// DisplayAttribute is sealed, so it's safe to copy.
var copy = new DisplayAttribute
{
Name = attribute.Name,
GroupName = attribute.GroupName,
Description = attribute.Description,
ResourceType = attribute.ResourceType,
ShortName = attribute.ShortName,
Prompt = attribute.Prompt,
Order = attribute.GetOrder() ?? 10000,
AutoGenerateField = attribute.GetAutoGenerateField() ?? true,
AutoGenerateFilter = attribute.GetAutoGenerateFilter() ?? true
};
return(copy);
}
public bool?GetAutoGenerateFilter()
{
return(_innerAttribute.GetAutoGenerateFilter());
}
public override AttributeDeclaration GetAttributeDeclaration(Attribute attribute)
{
DisplayAttribute displayAttribute = (DisplayAttribute)attribute;
AttributeDeclaration attributeDeclaration = new AttributeDeclaration(typeof(DisplayAttribute));
// By convention, the attribute parameters are not validated until an attempt is made to
// access the resources. We do the following probe merely to trigger this validation process.
// An InvalidOperationException will be thrown if the attribute is ill-formed.
Type attributeType = attribute.GetType();
try
{
displayAttribute.GetName();
}
catch (InvalidOperationException ex)
{
throw new AttributeBuilderException(ex, attributeType, "Name");
}
try
{
displayAttribute.GetShortName();
}
catch (InvalidOperationException ex)
{
throw new AttributeBuilderException(ex, attributeType, "ShortName");
}
try
{
displayAttribute.GetDescription();
}
catch (InvalidOperationException ex)
{
throw new AttributeBuilderException(ex, attributeType, "Description");
}
try
{
displayAttribute.GetPrompt();
}
catch (InvalidOperationException ex)
{
throw new AttributeBuilderException(ex, attributeType, "Prompt");
}
// Add AutoGenerateField
if (displayAttribute.GetAutoGenerateField().HasValue)
{
attributeDeclaration.NamedParameters.Add("AutoGenerateField", displayAttribute.AutoGenerateField);
}
// Add AutoGenerateFilter
if (displayAttribute.GetAutoGenerateFilter().HasValue)
{
attributeDeclaration.NamedParameters.Add("AutoGenerateFilter", displayAttribute.AutoGenerateFilter);
}
// Add Description
if (!string.IsNullOrEmpty(displayAttribute.Description))
{
attributeDeclaration.NamedParameters.Add("Description", displayAttribute.Description);
}
// Add GroupName
if (!string.IsNullOrEmpty(displayAttribute.GroupName))
{
attributeDeclaration.NamedParameters.Add("GroupName", displayAttribute.GroupName);
}
// Add Name
if (!string.IsNullOrEmpty(displayAttribute.Name))
{
attributeDeclaration.NamedParameters.Add("Name", displayAttribute.Name);
}
// Add Order
if (displayAttribute.GetOrder().HasValue)
{
attributeDeclaration.NamedParameters.Add("Order", displayAttribute.Order);
}
// Add Prompt
if (!string.IsNullOrEmpty(displayAttribute.Prompt))
{
attributeDeclaration.NamedParameters.Add("Prompt", displayAttribute.Prompt);
}
// Add ResourceType
if (displayAttribute.ResourceType != null)
{
attributeDeclaration.NamedParameters.Add("ResourceType", displayAttribute.ResourceType);
}
// Add ShortName
if (!string.IsNullOrEmpty(displayAttribute.ShortName))
{
attributeDeclaration.NamedParameters.Add("ShortName", displayAttribute.ShortName);
}
return(attributeDeclaration);
}
public void AutoGenerateFilter_Get_NotSet_ThrowsInvalidOperationException()
{
DisplayAttribute attribute = new DisplayAttribute();
Assert.Throws<InvalidOperationException>(() => attribute.AutoGenerateFilter);
Assert.Null(attribute.GetAutoGenerateFilter());
}
public void AutoGenerateFilter_Get_Set(bool value)
{
DisplayAttribute attribute = new DisplayAttribute();
attribute.AutoGenerateFilter = value;
Assert.Equal(value, attribute.AutoGenerateFilter);
Assert.Equal(value, attribute.GetAutoGenerateFilter());
}
public void DisplayAttribute_AutoGenerateFilter_Can_Be_Set_And_Retrieved() {
DisplayAttribute attr = new DisplayAttribute { AutoGenerateFilter = true };
Assert.IsTrue(attr.AutoGenerateFilter, "AutoGenerateFilter should be true after setting it to true");
Assert.IsTrue(attr.GetAutoGenerateFilter().Value, "GetAutoGenerateFilter should be true after setting it to true");
attr = new DisplayAttribute { AutoGenerateFilter = false };
Assert.IsFalse(attr.AutoGenerateFilter, "AutoGenerateFilter should be false after setting it to false");
Assert.IsFalse(attr.GetAutoGenerateFilter().Value, "GetAutoGenerateFilter should be false after setting it to false");
}
protected override ModelMetadata CreateMetadata(IEnumerable <Attribute> attributes, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName)
{
var modelMetadata = base.CreateMetadata(attributes, containerType, modelAccessor, modelType, propertyName);
DisplayAttribute da = attributes.OfType <DisplayAttribute>().FirstOrDefault();
if (da != null)
{
var autoGenerate = da.GetAutoGenerateFilter();
if (autoGenerate.HasValue)
{
modelMetadata.AdditionalValues["AutoGenerateFilter"] = autoGenerate.Value;
}
else
{
modelMetadata.AdditionalValues["AutoGenerateFilter"] = false;
}
}
modelMetadata.ShowForDisplay = true;
modelMetadata.ShowForEdit = true;
//var renderModeAttribute = attributes.OfType<RenderModeAttribute>();
//if (renderModeAttribute.Any())
//{
// var renderMode = renderModeAttribute.First().RenderMode;
// switch (renderMode)
// {
// case RenderMode.DisplayModeOnly:
// modelMetadata.ShowForDisplay = true;
// modelMetadata.ShowForEdit = false;
// break;
// case RenderMode.EditModeOnly:
// modelMetadata.ShowForDisplay = false;
// modelMetadata.ShowForEdit = true;
// break;
// case RenderMode.None:
// modelMetadata.ShowForDisplay = false;
// modelMetadata.ShowForEdit = false;
// break;
// }
//}
//var lookupMetaData = attributes.OfType<LookupAttribute>().FirstOrDefault();
//if (lookupMetaData != null)
// modelMetadata.AdditionalValues.Add("LookupMetadata", lookupMetaData);
//var lookupAdditionalMetaData = attributes.OfType<LookupAdditionalAttribute>().FirstOrDefault();
//if (lookupAdditionalMetaData != null)
// modelMetadata.AdditionalValues.Add("LookupAdditionalMetadata", lookupAdditionalMetaData);
//var multiLookupMetaData = attributes.OfType<MultiLookupAttribute>().FirstOrDefault();
//if (multiLookupMetaData != null)
// modelMetadata.AdditionalValues.Add("MultiLookupMetadata", multiLookupMetaData);
//var styleMetaData = attributes.OfType<StyleAttribute>().FirstOrDefault();
//if (styleMetaData != null)
// modelMetadata.AdditionalValues.Add("StyleMetadata", styleMetaData);
//string maxValue = null;
//string minValue = null;
////decimal
//var decimalMinValue = attributes.OfType<MinValueDecimalAttribute>().FirstOrDefault();
//if (decimalMinValue != null && !String.IsNullOrWhiteSpace(decimalMinValue.MinValue))
// minValue = decimalMinValue.MinValue;
//var decimalMaxValue = attributes.OfType<MaxValueDecimalAttribute>().FirstOrDefault();
//if (decimalMaxValue != null && !String.IsNullOrWhiteSpace(decimalMaxValue.MaxValue))
// maxValue = decimalMaxValue.MaxValue;
////integer
//var integerMinValue = attributes.OfType<MinValueIntegerAttribute>().FirstOrDefault();
//if (integerMinValue != null && !String.IsNullOrWhiteSpace(integerMinValue.MinValue))
// minValue = integerMinValue.MinValue;
//var integerMaxValue = attributes.OfType<MaxValueIntegerAttribute>().FirstOrDefault();
//if (integerMaxValue != null && !String.IsNullOrWhiteSpace(integerMaxValue.MaxValue))
// maxValue = integerMaxValue.MaxValue;
////date
//var dateMinValue = attributes.OfType<MinValueDateTimeAttribute>().FirstOrDefault();
//if (dateMinValue != null && !String.IsNullOrWhiteSpace(dateMinValue.MinValue))
// minValue = dateMinValue.MinValue;
//var dateMaxValue = attributes.OfType<MaxValueDateTimeAttribute>().FirstOrDefault();
//if (dateMaxValue != null && !String.IsNullOrWhiteSpace(dateMaxValue.MaxValue))
// maxValue = dateMaxValue.MaxValue;
//modelMetadata.AdditionalValues.Add("MinValue", minValue);
//modelMetadata.AdditionalValues.Add("MaxValue", maxValue);
var keyAttribute = attributes.OfType <KeyAttribute>().FirstOrDefault();
if (keyAttribute != null)
{
modelMetadata.AdditionalValues.Add("IsKey", true);
}
var stringLengthAttribute = attributes.OfType <StringLengthAttribute>().FirstOrDefault();
if (stringLengthAttribute != null)
{
modelMetadata.AdditionalValues.Add("MaxLength", stringLengthAttribute.MaximumLength);
modelMetadata.AdditionalValues.Add("MinLength", stringLengthAttribute.MinimumLength);
}
var maxLengthAttribute = attributes.OfType <MaxLengthAttribute>().FirstOrDefault();
if (maxLengthAttribute != null)
{
modelMetadata.AdditionalValues.Add("MaxLength", maxLengthAttribute.Length);
}
var minLengthAttribute = attributes.OfType <MinLengthAttribute>().FirstOrDefault();
if (minLengthAttribute != null)
{
modelMetadata.AdditionalValues.Add("MinLength", minLengthAttribute.Length);
}
var regularExpressionAttribute = attributes.OfType <RegularExpressionAttribute>().FirstOrDefault();
if (regularExpressionAttribute != null)
{
modelMetadata.AdditionalValues.Add("Regex", regularExpressionAttribute.Pattern);
}
return(modelMetadata);
}
