/// <summary>
/// Создание компонента фильтра
/// </summary>
/// <param name="field">Поле запроса</param>
/// <param name="dataType">Тип данных</param>
/// <returns>Фильтр</returns>
public static QueryGridFilterBase CreateFilter(FilterColumn column)
{
Type type = column.Type;
if (type == typeof(string))
{
return new QueryGridStringFilter();
}
if (type == typeof(bool) || type == typeof(bool?))
{
return new QueryGridBooleanFilter();
}
if (type == typeof(int) || type == typeof(int?))
{
return new QueryGridIntegerFilter();
}
if (type == typeof(decimal) || type == typeof(decimal?))
{
return new QueryGridDecimalFilter();
}
if (type == typeof(DateTime) || type == typeof(DateTime?))
{
return new QueryGridDateFilter();
}
if (type.IsEnum || (type.IsGenericType && type.GetGenericTypeDefinition().FullName == "System.Nullable`1" && type.GenericTypeArguments[0].IsEnum))
{
return new QueryGridEnumFilter();
}
return null;
}
public static FilterValue CreateEmptyValue(FilterColumn column)
{
Type type = column.Type;
if (type == typeof(string))
{
return new StringFilterValue();
}
if (type == typeof(bool) || type == typeof(bool?))
{
return new BooleanFilterValue();
}
if (type == typeof(int) || type == typeof(int?))
{
return new NumberFilterValue() { DataType = typeof(int) };
}
if (type == typeof(decimal) || type == typeof(decimal?))
{
return new NumberFilterValue() { DataType = typeof(decimal) };
}
if (type == typeof(DateTime) || type == typeof(DateTime?))
{
return new DateFilterValue();
}
if (type.IsEnum || (type.IsGenericType && type.GetGenericTypeDefinition().FullName == "System.Nullable`1" && type.GenericTypeArguments[0].IsEnum))
{
var val = new EnumFilterValue();
Type t = type;
if (type.IsGenericType && type.GetGenericTypeDefinition().FullName == "System.Nullable`1" && type.GenericTypeArguments[0].IsEnum)
{
t = type.GenericTypeArguments[0];
}
val.HandleEnumTypeChanged(t);
return val;
}
return null;
}
