public void Visit(QuestionUnit node)
{
ReferenceTables.SetReference(node.Identifier, node.DataType);
if (!ReferenceTables.ContainsReference(node.DataType))
{
var wrapper = _terminalWrapperFactory.CreateWrapper(node.DataType);
node.Value = wrapper;
ReferenceTables.SetValue(node.DataType, wrapper);
}
}
public void Visit(QuestionUnit node)
{
DeclareNewVariable(node.Identifier, node.DataType);
}
public void Visit(QuestionUnit node)
{
WidgetBase unitWrapper = _widgetFactory.GetWidget(node, ReferenceTables.GetValue(node.Identifier));
unitWrapper.Visibility = _parentExpressionDidNotEvaluate ? Visibility.Collapsed : Visibility.Visible;
int index = _elementsToDisplay.ToList().FindIndex(elem => elem.Unit.Identifier == unitWrapper.Unit.Identifier);
if (index < 0)
{
INotifyPropertyChanged nodeValue = node.Value as INotifyPropertyChanged;
if (nodeValue != null)
{
nodeValue.PropertyChanged += (sender, args) => _rebuildMethod();
}
_elementsToDisplay.Add(unitWrapper);
}
else
{
_elementsToDisplay[index].Visibility = unitWrapper.Visibility;
}
}
private WidgetBase GetWidget(QuestionUnit unit, Text type)
{
unit.InitialiseValue(GetTypeWrapper(type));
return new TextWidget(unit);
}
public WidgetBase GetWidget(QuestionUnit unit, TextWrapper typeWrapper)
{
unit.InitialiseValue(typeWrapper);
return new TextWidget(unit);
}
public WidgetBase GetWidget(QuestionUnit unit, ITerminalWrapper typeWrapper)
{
return GetWidget(unit, typeWrapper as dynamic);
}
public WidgetBase GetWidget(QuestionUnit unit)
{
return GetWidget(unit, unit.DataType as dynamic);
}
public void Visit(QuestionUnit node)
{
_unitsToAnswers.Add(node.Text, node.Value);
}
public override void ExitQuestionUnit(QLParser.QuestionUnitContext context)
{
IList<ElementBase> children = GetChildren();
ThrowExceptionIfAny();
if (children.Count() != 1)
{
_astBuilderExceptions.Add(new ParserError("A question should have only identifier as a child."));
}
QuestionUnit question = new QuestionUnit(
(Identifier)children[0],
_terminalTypeFactory.GetTypeInstance(context.type()),
context.TEXT().GetText(),
SourceLocation.CreateFor(context)
);
AppendToAST(question);
}