public Undefined(UndefinedV undefinedV)
{
InitializeComponent();
reference = undefinedV;
// listen to events from the controller
//ViewController.ViewEvents ...
// let the listener controller hear me :)
ViewController.ViewListener.Listen(this);
System.Windows.Controls.ToolTip toolTip1 = new System.Windows.Controls.ToolTip();
toolTip1.Content = "Click to Change";
this.ToolTip = toolTip1;
if ((reference.Reference.Parent as OperationD).Children.Count == 1)
{
// the undefined is the only item in this structure
// do not offer chance to be removed
rightClickMenu.Items.Remove(delete);
}
if ((reference.Reference.Parent.Parent as ChoiceD).Children.Count == 1)
{
// do not allow remove choice
rightClickMenu.Items.Remove(removeChoice);
}
}
public void visit(UndefinedD undefinedD)
{
UndefinedV undefinedV = new UndefinedV(undefinedD, level + 1);
undefinedD.References.Add(undefinedV);
current = undefinedV;
}
public void visit(UndefinedV undefinedV)
{
drawnItem = new Undefined(undefinedV);
}
private GrammarNodeV newVisual(int level)
{
if (item is UndefinedD)
{
UndefinedD undefinedD = item as UndefinedD;
UndefinedV visual = new UndefinedV(undefinedD, level);
undefinedD.References.Add(visual);
return visual;
}
else
throw new NotImplementedException();
}
public void visit(UndefinedV undefinedV)
{
}
public void visit(ConcatenationV concatenationV)
{
int position = -1;
for (int i = 0; i < concatenationV.Children.Count; i++)
{
GrammarNodeV child = concatenationV.Children[i];
if (child.getReference() == target)
position = i;
child.accept(this);
}
if (position >= 0)
{
int theLevel = (concatenationV.Children[position] as SymbolV).Level;
ChoiceV choiceV = concatenationV.getParent() as ChoiceV;
if (choiceV == null)
throw new Exception("The concatV parent was not of type choiceV");
// assert that a new choice has been added to the concatD
ChoiceD choiceD = concatenationV.Reference.Parent as ChoiceD;
if (choiceD == null)
throw new Exception("The concatV.Ref.Parent is not of type choiceD");
if (choiceD.Children.Count < 2)
throw new Exception("A new choice has not been added to the choiceD grammar.");
// assuming that the last choice to be added is the new one.
ConcatenationD concatDadded = choiceD.Children[choiceD.Children.Count - 1] as ConcatenationD;
if (concatDadded == null)
throw new Exception("The choiceD children are not of type concatD");
// assert that the new concatD has one child of type UndefinedD
if (concatDadded.Children.Count > 1)
throw new Exception("ConcatD is new and does not have one child of type UndefinedD");
UndefinedD undefinedD = concatDadded.Children[0] as UndefinedD;
if (undefinedD == null)
throw new Exception("ConcatD is new and does not have one child of type UndefinedD");
ConcatenationV newConcat = new ConcatenationV(concatDadded);
UndefinedV newUndefinedV = new UndefinedV(undefinedD, theLevel);
newConcat.appendChildV(newUndefinedV);
choiceV.appendChildV(newConcat);
}
}
private GrammarNodeV newVisual()
{
if (newItem is UndefinedD)
{
UndefinedD undefinedD = newItem as UndefinedD;
UndefinedV visual = new UndefinedV(undefinedD, level);
undefinedD.References.Add(visual);
return visual;
}
else if (newItem is TerminalD)
{
TerminalD terminalD = newItem as TerminalD;
TerminalV visual = new TerminalV(terminalD, level);
terminalD.References.Add(visual);
return visual;
}
else if (newItem is NonterminalTailD)
{
NonterminalTailD nontTailD = newItem as NonterminalTailD;
NonterminalTailV visual = new NonterminalTailV(nontTailD, level);
nontTailD.AddReference(visual);
return visual;
}
else
throw new NotImplementedException();
}
internal void setRule(UndefinedV undefinedV)
{
rule = undefinedV.Reference.getMyRule();
}