public override object Visit(QuestionStatement statement, QuestionVisitorTypeEnvironment environment)
{
// TODO: change string primitives to StringValue?
// [...].Value.Value is ugly. Since StringValues replace string primitives,
// maybe we should replace them in the code too?
if (environment.IsIdentifierDuplicate(statement.Identifier))
{
this.Report.Add(new DuplicateQuestionIdentifierMessage(statement));
}
else
{
environment.AddQuestionIdentifier(statement.Identifier);
}
if (environment.IsLableDuplicate(statement.Label.Value.Value))
{
this.Report.Add(new DuplicateQuestionLabelMessage(statement));
}
else
{
environment.AddQuestionLabel(statement.Label.Value.Value);
}
return(base.Visit(statement, environment));
}
protected QuestionWidget(IValue value, QuestionStatement statement, GuiEnvironment guiEnvironment)
: base(guiEnvironment)
{
this.Statement = statement;
this.Value = value;
this.Dependencies.UnionWith(statement.GetDependencies());
}
public TextFieldWidget(
IValue value,
QuestionStatement statement,
GuiEnvironment guiEnvironment,
WidgetStyle style)
: base(value, statement, guiEnvironment)
{
this.CreateControls(statement, style);
}
public DatePickerWidget(
DateValue value,
QuestionStatement statement,
GuiEnvironment guiEnvironment,
WidgetStyle style)
: base(value, statement, guiEnvironment)
{
this.CreateControls(statement, style);
}
public CheckBoxWidget(
BooleanValue value,
QuestionStatement statement,
GuiEnvironment guiEnvironment,
WidgetStyle style)
: base(value, statement, guiEnvironment)
{
this.CreateControls(statement, style);
}
public override object Visit(QuestionStatement statement, QuestionVisitorTypeEnvironment environment)
{
if (statement.ComputationExpression != null)
{
this.GetVariables(statement.ComputationExpression).ForEach(x => this.circularDependencyChecker
.AddDependency(new Dependency(statement.Identifier, x)));
}
return(base.Visit(statement, environment));
}
private void CreateControls(QuestionStatement statement, WidgetStyle style)
{
this.Input = new CheckBox();
this.Input.Checked += (e, a) => this.UpdateValue();
this.Input.Unchecked += (e, a) => this.UpdateValue();
this.Input.IsEnabled = !this.IsReadOnly();
this.Input.IsChecked = ((BooleanValue)this.Value).Value;
this.CreateControls(this.Input, statement, style);
}
public ValidatedTextFieldWidget(
IValue value,
IValidator <string> validator,
QuestionStatement statement,
GuiEnvironment guiEnvironment,
WidgetStyle style)
: base(value, statement, guiEnvironment, style)
{
this.validator = validator;
}
private void CreateControls(QuestionStatement statement, WidgetStyle style)
{
this.Input = new DatePicker {
SelectedDateFormat = DatePickerFormat.Short
};
this.Input.SelectedDateChanged += (e, a) => this.UpdateValue();
this.Input.IsEnabled = !this.IsReadOnly();
this.Input.SelectedDate = ((DateValue)this.Value).Value;
this.CreateControls(this.Input, statement, style);
}
protected void CreateControls(Control input, QuestionStatement statement, WidgetStyle style)
{
var label = new Label {
Content = statement.Label
};
style.Apply(label);
style.Apply(input);
this.Controls.Add(statement.Identifier + "Label", label);
this.Controls.Add(statement.Identifier, input);
}
public Widget Visit(QuestionStatement statement, GuiEnvironment environment)
{
var style = new WidgetStyle
{
Color = Colors.Black,
Width = 200,
};
var questionWidget = this.CreateWidgetForQuestion(statement, environment, style);
return(questionWidget);
}
protected void CreateControls(QuestionStatement statement, WidgetStyle style)
{
var label = new Label {
Content = statement.Label
};
this.Input = new TextBox();
this.Input.KeyUp += (e, a) => this.UpdateValue();
this.Input.IsEnabled = !this.IsReadOnly();
this.Input.Text = this.Value.ToString();
this.CreateControls(this.Input, statement, style);
}
protected void CreateControls(QuestionStatement statement, WidgetStyle style)
{
var label = new Label {
Content = statement.Label
};
this.Input = new TextBox();
this.Input.KeyUp += this.UpdateValue;
style.Apply(label);
style.Apply(this.Input);
this.Controls.Add(label);
this.Controls.Add(this.Input);
}
private void CreateControls(QuestionStatement statement, WidgetStyle style)
{
var label = new Label {
Content = statement.Label
};
this.Input = new CheckBox();
this.Input.Checked += this.UpdateValue;
this.Input.Unchecked += this.UpdateValue;
style.Apply(label);
style.Apply(this.Input);
this.Controls.Add(label);
this.Controls.Add(this.Input);
}
private void CreateControls(QuestionStatement statement, WidgetStyle style)
{
var label = new Label {
Content = statement.Label
};
this.Input = new DatePicker {
SelectedDateFormat = DatePickerFormat.Short
};
this.Input.SelectedDateChanged += this.UpdateValue;
style.Apply(label);
style.Apply(this.Input);
this.Controls.Add(label);
this.Controls.Add(this.Input);
}
public override object Visit(QuestionStatement statement, IQuestionEnvironment environment)
{
if (environment.IsIdentifierDuplicate(statement.Identifier))
{
this.Report.Add(new DuplicateQuestionIdentifierMessage(statement));
}
else
{
environment.AddQuestionIdentifier(statement.Identifier);
}
if (environment.IsLabelDuplicate(statement.Label.Value))
{
this.Report.Add(new DuplicateQuestionLabelMessage(statement));
}
else
{
environment.AddQuestionLabel(statement.Label.Value);
}
return(base.Visit(statement, environment));
}
private Widget CreateWidgetForQuestion(QuestionStatement statement, GuiEnvironment environment, WidgetStyle style)
{
Widget questionWidget;
switch (statement.Type)
{
case BooleanValueType _:
questionWidget = new CheckBoxWidget(new BooleanValue(false), statement, environment, style);
break;
case DateValueType _:
questionWidget = new DatePickerWidget(new DateValue(DateTime.Now), statement, environment, style);
break;
case StringValueType _:
questionWidget = new TextFieldWidget(new StringValue(string.Empty), statement, environment, style);
break;
case DecimalValueType _:
questionWidget = new ValidatedTextFieldWidget(new DecimalValue(0), new DecimalValidator(), statement, environment, style);
break;
case IntegerValueType _:
questionWidget = new ValidatedTextFieldWidget(new IntegerValue(0), new IntegerValidator(), statement, environment, style);
break;
case MoneyValueType _:
questionWidget = new ValidatedTextFieldWidget(new MoneyValue(0), new MoneyValidator(), statement, environment, style);
break;
default:
throw new ArgumentOutOfRangeException(nameof(statement.Type));
}
return(questionWidget);
}
public virtual TResult Visit(QuestionStatement statement, TEnvironment environment)
{
statement.Type.Accept(this, environment);
statement.ComputationExpression?.Accept(this, environment);
return(default(TResult));
}
public override object Visit(QuestionStatement statement, QuestionVisitorTypeEnvironment environment)
{
this.Mappings[statement.Identifier] = statement.Type;
return(base.Visit(statement, environment));
}
/// <summary>
/// Initializes a new instance of the <see cref="DuplicateQuestionIdentifierMessage"/> class.
/// </summary>
/// <param name="question">The question.</param>
public DuplicateQuestionIdentifierMessage(QuestionStatement question)
: base($"Duplicate question name \"{question.Identifier}\" at: {question.SourceCode}")
{
}
public VoidValueType Visit(QuestionStatement statement, ITypeEnvironment environment)
{
environment.AddSymbol(statement.Identifier, statement.Type);
return(new VoidValueType());
}
public override object Visit(QuestionStatement statement, VisitorTypeEnvironment environment)
{
this.Variables.Add(statement.Identifier);
return(base.Visit(statement, environment));
}
public override object Visit(QuestionStatement statement, VisitorTypeEnvironment environment)
{
statement.ComputationExpression?.Accept(this, environment);
return(default(object));
}
public DuplicateQuestionLabelMessage(QuestionStatement question)
: base($"Duplicate question label \"{question.Label}\" at: {question.SourceCode}")
{
}
