private static OrderCriteriaField CreateField(string sourceAndFieldName, SortDirection sortDirection)
{
//string source = null;
string[] parts = sourceAndFieldName.Trim().Split('.');
string fieldName = parts[parts.Length - 1];
Source source = Source.FromString(String.Join(".", parts, 0, parts.Length - 1));
OrderCriteriaField orderCriteriaField = new OrderCriteriaField(fieldName, fieldName, source, sortDirection);
return(orderCriteriaField);
}
///<summary>
///Determines whether the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>.
///</summary>
///
///<returns>
///true if the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>; otherwise, false.
///</returns>
///
///<param name="obj">The <see cref="T:System.Object"></see> to compare with the current <see cref="T:System.Object"></see>. </param><filterpriority>2</filterpriority>
public override bool Equals(object obj)
{
if (!(obj is OrderCriteriaField))
{
return(false);
}
OrderCriteriaField objOrderCriteriaField = obj as OrderCriteriaField;
return(this.PropertyName.Equals(objOrderCriteriaField.PropertyName) && _sortDirection.Equals(objOrderCriteriaField.SortDirection));
}
/// <summary>
/// Creates an OrderCriteria object by parsing a string in the correct format.
/// The format is:
/// <para><orderCriteria> => <emptystring> | <field> [, <field>, ... ] <br/>
/// <field> => <fieldName> [ ASC | DESC ] </para>
/// For example: <code>Surname, Age DESC</code> or <code>Age ASC, Surname DESC</code>
/// </summary>
/// <param name="orderCriteriaString">The string in the correct format (see above)</param>
/// <returns>An OrderCriteria created from the string</returns>
public static IOrderCriteria FromString(string orderCriteriaString)
{
IOrderCriteria orderCriteria = new OrderCriteria();
if (string.IsNullOrEmpty(orderCriteriaString))
{
return(orderCriteria);
}
orderCriteriaString = orderCriteriaString.Trim();
if (string.IsNullOrEmpty(orderCriteriaString))
{
return(orderCriteria);
}
string[] orderFields = orderCriteriaString.Split(',');
foreach (string field in orderFields)
{
orderCriteria.Add(OrderCriteriaField.FromString(field));
}
return(orderCriteria);
}