private void UpdateItems(NotifyCollectionChangedEventArgs e, int section, bool resetWhenGrouped)
{
NotifyCollectionChangedEventArgsEx changedEventArgsEx = e as NotifyCollectionChangedEventArgsEx;
if (changedEventArgsEx != null)
{
this.dataSource.Counts [section] = changedEventArgsEx.Count;
}
bool flag = resetWhenGrouped && this.Element.IsGroupingEnabled;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
//this.UpdateEstimatedRowHeight ();
if (!(e.NewStartingIndex == -1 | flag))
{
this.Control.BeginUpdates();
var indexSet = NSIndexSet.FromNSRange(new NSRange(e.NewStartingIndex, e.NewItems.Count));
this.Control.InsertRows(indexSet, NSTableViewAnimation.SlideUp);
this.Control.EndUpdates();
break;
}
goto case NotifyCollectionChangedAction.Reset;
case NotifyCollectionChangedAction.Remove:
if (!(e.OldStartingIndex == -1 | flag))
{
this.Control.BeginUpdates();
var indexSet = NSIndexSet.FromNSRange(new NSRange(e.OldStartingIndex, e.OldItems.Count));
Control.RemoveRows(indexSet, NSTableViewAnimation.SlideDown);
this.Control.EndUpdates();
if (!this.estimatedRowHeight || this.Element.TemplatedItems.Count != 0)
{
break;
}
this.estimatedRowHeight = false;
break;
}
goto case NotifyCollectionChangedAction.Reset;
case NotifyCollectionChangedAction.Replace:
if (!(e.OldStartingIndex == -1 | flag))
{
Control.BeginUpdates();
var indexSet = NSIndexSet.FromNSRange(new NSRange(e.OldStartingIndex, e.OldItems.Count));
Control.ReloadData(indexSet, null);
this.Control.EndUpdates();
if (!this.estimatedRowHeight || e.OldStartingIndex != 0)
{
break;
}
this.estimatedRowHeight = false;
break;
}
goto case NotifyCollectionChangedAction.Reset;
case NotifyCollectionChangedAction.Move:
if (((e.OldStartingIndex == -1 ? 1 : (e.NewStartingIndex == -1 ? 1 : 0)) | (flag ? 1 : 0)) == 0)
{
this.Control.BeginUpdates();
for (int index = 0; index < e.OldItems.Count; ++index)
{
int oldStartingIndex = e.OldStartingIndex;
int newStartingIndex = e.NewStartingIndex;
if (e.NewStartingIndex < e.OldStartingIndex)
{
oldStartingIndex += index;
newStartingIndex += index;
}
this.Control.MoveRow(oldStartingIndex, newStartingIndex);
}
this.Control.EndUpdates();
if (!this.estimatedRowHeight || e.OldStartingIndex != 0)
{
break;
}
this.estimatedRowHeight = false;
break;
}
goto case NotifyCollectionChangedAction.Reset;
case NotifyCollectionChangedAction.Reset:
this.estimatedRowHeight = false;
this.Control.ReloadData();
break;
}
}
/// <summary>
/// This event will be called when the AdditonalQueryPrams dictionary changed. We have to reset the cached values.
/// </summary>
private void AdditionalQueryParams_CollectionChanged(object sender, NotifyCollectionChangedEventArgsEx e)
{
BuiltQueryParams = null;
}