public void GetGroup(object elementValue,
out object groupKey, out IFilter additionalFilter)
{
string elementName = elementValue == null ? string.Empty : elementValue.ToString().Trim();
char firstChar;
if (elementName != string.Empty && IsLetterOrDigit(firstChar = elementName[0]))
{
string fcs = firstChar.ToString().ToUpperInvariant();
groupKey = fcs + "*";
additionalFilter = new LikeFilter(_attributeType, fcs + "%", null, false);
}
else
{
groupKey = _emptyOrMiscCharacterGroupName;
additionalFilter = GetEmptyOrMiscGroupFilter();
}
}
protected virtual IFilter BuildTextSearchFilter()
{
var filter = new LikeFilter(MediaAspect.ATTR_TITLE, GetSearchTerm(), null);
return filter;
}
