private NSIndexSet GetSelectionIndexesFilter(NSTableView tableView, NSIndexSet proposedSelectionIndexes)
{
var selectionIndexes = new NSMutableIndexSet(proposedSelectionIndexes);
foreach (int index in proposedSelectionIndexes)
{
if (index < DataContext.AvailableSerialPorts.Count())
{
var port = DataContext.AvailableSerialPorts[(int)index];
if (DataContext.DisabledSerialPorts.Contains(port.PortName))
{
selectionIndexes.Remove((nuint)index);
}
}
}
return(selectionIndexes);
}
/// <inheritdoc/>
public override NSIndexSet GetSelectionIndexes(NSTableView tableView, NSIndexSet proposedSelectionIndexes)
{
var selectionIndexes = new NSMutableIndexSet(proposedSelectionIndexes);
if (proposedSelectionIndexes.Count > 0)
{
foreach (var index in proposedSelectionIndexes)
{
if ((int)index < DataContext.AvailableSerialPorts.Count())
{
var port = DataContext.AvailableSerialPorts[(int)index];
if (DataContext.DisabledSerialPorts.Contains(port.PortName))
{
selectionIndexes.Remove(index);
}
}
}
}
return(selectionIndexes);
}
public override void MouseDown(NSEvent theEvent)
{
if (theEvent.Type == NSEventType.LeftMouseDown)
{
uint index;
bool haveIndex = RectangleFromPoint(theEvent.LocationInWindow, out index);
NSMutableIndexSet indexSet = new NSMutableIndexSet(selectionIndexesBinding.GetData<NSIndexSet>());
if ((theEvent.ModifierFlags & NSEventModifierMask.CommandKeyMask) != 0)
{
if (!haveIndex)
// We did not select or unselect anything. Don't mess with the current selection
return;
if (indexSet.Contains(index))
indexSet.Remove(index);
else
indexSet.Add(index);
}
else
{
indexSet.Clear();
if (haveIndex)
indexSet.Add(index);
}
selectionIndexesBinding.SetData(indexSet);
// TODO: Start a drag operation
}
else
base.MouseDown(theEvent);
}
