public override void SetValue(Value value)
{
if (!value.IsUndefined)
{
if (value.DataType == DataType.Boolean)
{
YesCheckBox.Checked = ((BooleanValue)value).Val;
}
else
{
throw new ArgumentException("Parameter value must be of datatype 'bool'.");
}
}
}
public override void SetValue(Value value)
{
if (!value.IsUndefined)
{
if (value.DataType == DataType.Date)
{
AnswerDatePicker.Value = ((DateValue)value).Val;
}
else
{
throw new ArgumentException("Parameter value must be of datatype 'date'.");
}
}
}
public override void SetValue(Value value)
{
if (!value.IsUndefined)
{
if (value.DataType == DataType.Boolean)
{
bool answer = ((BooleanValue)value).Val;
TrueButton.Checked = answer;
FalseButton.Checked = !answer;
}
else
{
throw new ArgumentException("Parameter value must be of datatype 'bool'.");
}
}
}
public override void SetValue(Value value)
{
if (!value.IsUndefined)
{
if (value.DataType == DataType.String)
{
AnswerTextBox.Text = ((StringValue)value).Val;
}
else if (value.DataType == DataType.Integer)
{
AnswerTextBox.Text = ((IntegerValue)value).Val.ToString();
}
else
{
throw new ArgumentException("Parameter value must be of datatype 'string' or 'int'.");
}
}
}
public virtual Value MultipliedBy(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.Multiply, this, value));
}
public virtual Value IsNotEqualTo(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.NotEqualTo, this, value));
}
public virtual Value Minus(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.Substract, this, value));
}
public virtual Value IsGreaterThan(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.GreaterThan, this, value));
}
public virtual Value IsLessThan(Value value)
{
throw new InvalidOperationException();
}
public override Value MultipliedBy(Value value)
{
return new Undefined();
}
public virtual Value DividedBy(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.Divide, this, value));
}
public override Value DividedBy(Value value)
{
return new Undefined();
}
private string CreateMessage(Operation operation, Value operand)
{
return String.Format("Operator '{0}' can not be applied to operand of type '{1}'.",
StringEnum.GetStringValue(operation), StringEnum.GetStringValue(operand.DataType));
}
public virtual void SetValue(Value value)
{
throw new NotImplementedException("This method must be overriden and implemented in the derived class.");
}
public void Add(string name, Value value)
{
_valueTable.Add(name, value);
}
public override Value IsGreaterThan(Value value)
{
return new Undefined();
}
public override Value IsLessThanOrEqualTo(Value value)
{
return new Undefined();
}
public override Value Plus(Value value)
{
return new Undefined();
}
public virtual Value Or(Value value)
{
throw new InvalidOperationException();
}
private string CreateMessage(Operation operation, Value left, Value right)
{
return String.Format("Operator '{0}' can not be applied to operands of types '{1}' and '{2}'.",
StringEnum.GetStringValue(operation), StringEnum.GetStringValue(left.DataType), StringEnum.GetStringValue(right.DataType));
}
public virtual Value Plus(Value value)
{
throw new InvalidOperationException(CreateMessage(Operation.Add, this, value));
}
public override Value IsNotEqualTo(Value value)
{
return new Undefined();
}
