public FilterPredicate(
FilterExpression.BinaryOperation binaryOperator,
GridKnownFunction function)
{
this.binaryOperator = binaryOperator;
this.function = function;
this.filterFunction = FilterFunction.GetFilterFunction(this.function);
}
protected override void ProcessPropertyChanged(PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "Function":
this.filterFunction = FilterFunction.GetFilterFunction(this.function);
break;
}
}
public static FilterFunction GetDefaultFunctionForType(Type type)
{
Dictionary <GridKnownFunction, FilterFunction> .Enumerator enumerator = FilterFunction.functionDictionary.GetEnumerator();
while (enumerator.MoveNext())
{
FilterFunction filterFunction = enumerator.Current.Value;
if (filterFunction != null && filterFunction.IsDefaultForType(type))
{
return(filterFunction);
}
}
return(FilterFunction.functionDictionary[GridKnownFunction.NoFilter]);
}
public static List <FilterFunction> GetApplicableFunctionsForType(Type type)
{
List <FilterFunction> filterFunctionList = new List <FilterFunction>();
Dictionary <GridKnownFunction, FilterFunction> .Enumerator enumerator = FilterFunction.functionDictionary.GetEnumerator();
while (enumerator.MoveNext())
{
FilterFunction filterFunction = enumerator.Current.Value;
if (filterFunction.IsApplicableForType(type))
{
filterFunctionList.Add(filterFunction);
}
}
return(filterFunctionList);
}
static FilterFunction()
{
FilterFunction.quotedValueFormatStrings = new Dictionary <Type, string>();
FilterFunction.quotedValueFormatStrings.Add(typeof(string), "'{0}'");
FilterFunction.quotedValueFormatStrings.Add(typeof(TimeSpan), "'{0}'");
FilterFunction.quotedValueFormatStrings.Add(typeof(byte[]), "'{0}'");
FilterFunction.quotedValueFormatStrings.Add(typeof(bool), "'{0}'");
FilterFunction.quotedValueFormatStrings.Add(typeof(DateTime), "#{0}#");
FilterFunction.functionDictionary = new Dictionary <GridKnownFunction, FilterFunction>();
Array values = Enum.GetValues(typeof(GridKnownFunction));
for (int index = 0; index < values.Length; ++index)
{
FilterFunction.GetFilterFunction((GridKnownFunction)values.GetValue(index));
}
}
public FilterPredicate()
{
this.filterFunction = FilterFunction.GetFilterFunction(this.function);
}