public long IndexOf(ICacheableItem item)
{
if (item == null || item.CacheModelId != CacheId)
{
return(-1);
}
return(IndexOf(item.CacheEntryId));
}
public void RestoreSelection()
{
if (saved_selection)
{
long selected_id = -1;
long first_id = FirstOrderId;
// Compensate for the first, fake 'All *' item
if (has_select_all_item)
{
first_id -= 1;
}
model.Selection.Clear(false);
foreach (long order_id in connection.QueryEnumerable <long> (get_selection_command))
{
selected_id = order_id - first_id;
model.Selection.QuietSelect((int)selected_id);
}
if (has_select_all_item && model.Selection.Count == 0)
{
model.Selection.QuietSelect(0);
}
if (saved_focus_item != null)
{
long i = IndexOf(saved_focus_item);
if (i != -1)
{
// TODO get rid of int cast
model.Selection.FocusedIndex = (int)i;
}
}
saved_selection = false;
saved_focus_item = null;
}
}
public void SaveSelection()
{
if (model.Selection != null && model.Selection.Count > 0 &&
!(has_select_all_item && model.Selection.AllSelected))
{
connection.Execute(delete_selection_command);
saved_selection = true;
if (!has_select_all_item && model.Selection.FocusedIndex != -1)
{
T item = GetValue(model.Selection.FocusedIndex);
if (item != null)
{
saved_focus_item = GetValue(model.Selection.FocusedIndex);
}
}
long start, end;
foreach (Hyena.Collections.RangeCollection.Range range in model.Selection.Ranges)
{
start = range.Start;
end = range.End;
// Compensate for the first, fake 'All *' item
if (has_select_all_item)
{
start -= 1;
end -= 1;
}
connection.Execute(save_selection_command, start, end - start + 1);
}
}
else
{
saved_selection = false;
}
}