public bool ReadQuestionFile()
{
bool success = true;
FileInfo theSourceFile = new FileInfo("Questions.txt");
string line;
try
{
StreamReader thereader = theSourceFile.OpenText();
line = thereader.ReadLine();
while (line != null)
{
QuestionUnit ques = new QuestionUnit();
ques.Question = line;
line = thereader.ReadLine();
ques.Answer = line;
line = thereader.ReadLine();
ques.CorrectAnswer = line;
line = thereader.ReadLine();
ques.Explanation = line;
line = thereader.ReadLine();
m_Questions.Add(ques);
}
}
catch
{
success = false;
}
return(success);
}
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)
{
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;
}
}
public void Visit(QuestionUnit node)
{
_unitsToAnswers.Add(node.Text, node.Value);
}
public void Visit(QuestionUnit node)
{
DeclareNewVariable(node.Identifier, node.DataType);
}
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));
}
