public NonterminalActionBar(NonterminalCollapsed nontCollapsedIn)
{
InitializeComponent();
nontCollapsed = nontCollapsedIn;
// nontCollapsed -> nontV -> nontTailD -> nontHeadD
Init(nontCollapsedIn.Reference.Reference.Reference);
}
private void SelectedNonterminal(NonterminalCollapsed control, GrammarEventArgs eventArgs)
{
SelectedNonterminal(eventArgs);
if (ControlSelected != null)
{
ControlSelected(control, eventArgs);
}
}
private void expand(NonterminalCollapsed nonterminalCollapsed, GrammarEventArgs e)
{
lock (new System.Object())
{
// the reference to the tail v
NonterminalTailV nonterminalTailV = (NonterminalTailV)e.Reference;
if (!nonterminalTailV.IsExpanded)
{
// expand the model (visualised grammar)
model.Functions.Expand(nonterminalTailV);
// expand the view
view.Functions.Expand(nonterminalCollapsed);
}
}
}
//public event EventHandler ConcatenationControlEvent;
// ...
internal void Listen(NonterminalCollapsed nonterminalCollapsed)
{
nonterminalCollapsed.ControlEvent += new NonterminalCollapsed.ControlEventHandler(nonterminalCollapsed_ControlEvent);
}
/// <summary>
/// Expands the view, assumes that the visualised grammar has been expanded
/// </summary>
/// <param name="control"></param>
/// <param name="reference"></param>
/// <returns></returns>
public void Expand(NonterminalCollapsed control)
{
StackPanel parent = (control.Parent as StackPanel);
if (parent == null)
throw new Exception("The controls parent is not of type stack panel");
// draw the control
GrammarNodeVDrawVisitor visitor = new GrammarNodeVDrawVisitor();
visitor.visit(control.Reference);
// get the index of the nonterminal collapsed that wants to expand
int index = parent.Children.IndexOf(control);
if (index < 0)
throw new Exception("Cant find child in my stack panel, uh oh!");
parent.Children.RemoveAt(index);
parent.Children.Insert(index, visitor.DrawnItem);
}