/// <summary>
/// Populate missing or incomplete properties from model metadata.
/// </summary>
/// <param name="fieldInfo">The <c>ExcelColumnInfoCollection</c> to populate.</param>
/// <param name="itemType">The type of item whose metadata this is being populated from.</param>
/// <param name="data">The collection of values being serialised. (Not used, provided for use by derived
/// types.)</param>
protected virtual void PopulateFieldInfoFromMetadata(ExcelColumnInfoCollection fieldInfo,
Type itemType,
object data)
{
// Populate missing attribute information from metadata.
var metadata = _modelMetaDataProvider.GetMetadataForType(itemType);
if (metadata != null && metadata.Properties != null)
{
foreach (var modelProp in metadata.Properties)
{
var propertyName = modelProp.PropertyName;
if (!fieldInfo.Contains(propertyName))
{
continue;
}
var field = fieldInfo[propertyName];
field.PropertyType = modelProp.ModelType;
if (field.PropertyType.IsGenericType &&
field.PropertyType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
field.PropertyType = field.PropertyType.GetGenericArguments()[0];
}
var attribute = field.ExcelColumnAttribute;
if (!field.IsExcelHeaderDefined)
{
field.Header = modelProp.DisplayName ?? propertyName;
}
if (attribute != null && attribute.UseDisplayFormatString)
{
field.FormatString = modelProp.DisplayFormatString;
}
}
}
}
/// <summary>
/// Populate missing or incomplete properties from model metadata.
/// </summary>
/// <param name="fieldInfo">The <c>ExcelColumnInfoCollection</c> to populate.</param>
/// <param name="itemType">The type of item whose metadata this is being populated from.</param>
/// <param name="data">The collection of values being serialised. (Not used, provided for use by derived
/// types.)</param>
protected virtual void PopulateFieldInfoFromMetadata(ExcelColumnInfoCollection fieldInfo,
Type itemType,
IEnumerable<object> data)
{
// Populate missing attribute information from metadata.
var metadata = ModelMetadataProviders.Current.GetMetadataForType(null, itemType);
if (metadata != null && metadata.Properties != null)
{
foreach (var modelProp in metadata.Properties)
{
var propertyName = modelProp.PropertyName;
if (!fieldInfo.Contains(propertyName)) continue;
var field = fieldInfo[propertyName];
var attribute = field.ExcelAttribute;
if (!field.IsExcelHeaderDefined)
field.Header = modelProp.DisplayName ?? propertyName;
if (attribute != null && attribute.UseDisplayFormatString)
field.FormatString = modelProp.DisplayFormatString;
}
}
}