public void DeselectNote(SelectedSNote note)
{
if (SelectedNotesHashset.Contains(note))
{
SelectedNotesHashset.Remove(note);
}
UpdateSelectedNoteBoundsRectangle();
}
public void SelectNote(SelectedSNote note)
{
if (SelectedNotesBounds.HasValue)
{
SelectedNotesBounds = SelectedNotesBounds.Value.CombineBoundsWith(note.GetBoundsRectangle());
}
else
{
SelectedNotesBounds = note.GetBoundsRectangle();
}
SelectedNotesHashset.Add(note);
}
void UpdateSelectedNoteBoundsRectangle()
{
if (SelectedNotesHashset.Count == 0)
{
SelectedNotesBounds = null;
return;
}
var rect = SelectedNotesHashset.First().GetBoundsRectangle();
foreach (var n in SelectedNotesHashset)
{
rect = rect.CombineBoundsWith(n.GetBoundsRectangle());
}
SelectedNotesBounds = rect;
}
public void DeselectAllNotes()
{
SelectedNotesHashset.Clear();
UpdateSelectedNoteBoundsRectangle();
}
public bool IsNoteSelected(SelectedSNote note)
{
return(SelectedNotesHashset.Contains(note));
}