public StringSortComparer(bool isCaseSensitive = false, GetItemTextCallback getItemText = null,
NeedsRefreshCallback needsRefresh = null)
{
_isCaseSensitive = isCaseSensitive;
_getItemText = getItemText;
_needsRefresh = needsRefresh;
if (_getItemText == null)
{
// by default we use item ToString()
_getItemText = (item) => { return(item.ToString()); };
}
if (_needsRefresh == null)
{
// by default changes in item don't affect this comparer
_needsRefresh = (item, propertyName) => { return(false); };
}
}
public StringFilterPredicate(StringFilterMode mode = StringFilterMode.StartsWith,
bool isCaseSensitive = false, GetItemTextCallback getItemText = null,
NeedsRefreshCallback needsRefresh = null)
{
_mode = mode;
_isCaseSensitive = isCaseSensitive;
_getItemText = getItemText;
_needsRefresh = needsRefresh;
if (_getItemText == null)
{
// by default we use item ToString()
_getItemText = (item) => { return(item.ToString()); };
}
if (_needsRefresh == null)
{
// by default changes in item don't affect this predicate
_needsRefresh = (item, propertyName) => { return(false); };
}
}
