/// <summary>
/// Sets up free initial data filtering for query.
/// Free filter is able to extract filtering key from anywhere in any manner and
/// apply filtering based on it to source data sequence.
/// It is not bound to any column and has no UI.
/// </summary>
/// <param name="configurator">Table configurator</param>
/// <param name="extractFunction">Function that should extract filtering tuple</param>
/// <param name="filterFunction">Function that should be applied to filter sequence</param>
public static void FreeFilter
<TSourceData, TFilteringKey, TTableData>(
this Configurator <TSourceData, TTableData> configurator,
Func <Query, Tuple <bool, TFilteringKey> > extractFunction,
Func <IQueryable <TSourceData>, TFilteringKey, IQueryable <TSourceData> > filterFunction
) where TTableData : new()
{
var f = new FreeFilter <TSourceData, TFilteringKey>(configurator);
f.Value(extractFunction).By(filterFunction);
configurator.RegisterFilter(f);
}
/// <summary>
/// Sets up free initial data ordering for query.
/// Free ordering is able to extract ordering direction from anywhere in any manner and
/// apply ordering based on it to source data sequence.
/// It is not bound to any column and has no UI.
/// </summary>
/// <param name="configurator">Table configurator</param>
/// <param name="orderingExtractFunction">Ordering extraction function</param>
/// <param name="orderingColumn">Column to apply ordering</param>
public static void FreeOrdering
<TSourceData, TValue, TTableData>(
this Configurator <TSourceData, TTableData> configurator,
Func <Query, Tuple <bool, Ordering> > orderingExtractFunction,
Expression <Func <TSourceData, TValue> > orderingColumn
) where TTableData : new()
{
var f = new FreeFilter <TSourceData, Ordering>(configurator);
f.Value(orderingExtractFunction);
f.By((source, ordering) =>
{
switch (ordering)
{
case Ordering.Neutral: return(source);
case Ordering.Ascending: return(source.OrderBy(orderingColumn));
case Ordering.Descending: return(source.OrderByDescending(orderingColumn));
}
return(source);
});
configurator.RegisterFilter(f);
}
