internal void UpdateIndexes()
{
_oldSelectedSlotsTable.Clear();
_selectedSlotsTable.Clear();
if (OwningGrid.DataConnection.DataSource == null)
{
if (SelectedItemsCache.Count > 0)
{
OwningGrid.SelectionHasChanged = true;
SelectedItemsCache.Clear();
}
}
else
{
List <object> tempSelectedItemsCache = new List <object>();
foreach (object item in _selectedItemsCache)
{
int index = OwningGrid.DataConnection.IndexOf(item);
if (index != -1)
{
tempSelectedItemsCache.Add(item);
_selectedSlotsTable.AddValue(OwningGrid.SlotFromRowIndex(index), true);
}
}
foreach (object item in _oldSelectedItemsCache)
{
int index = OwningGrid.DataConnection.IndexOf(item);
if (index == -1)
{
OwningGrid.SelectionHasChanged = true;
}
else
{
_oldSelectedSlotsTable.AddValue(OwningGrid.SlotFromRowIndex(index), true);
}
}
_selectedItemsCache = tempSelectedItemsCache;
}
}
internal void ClearRows()
{
_selectedSlotsTable.Clear();
_selectedItemsCache.Clear();
}