public void Calculate()
{
try {
if (!string.IsNullOrEmpty(calculator.Display))
{
calculator.SecondNumber = double.Parse(calculator.Display);
}
calculator.Result = calculator.Calculate();
calculator.Display = calculator.Result.ToString();
history.Enqueue(calculator.ToString());
calculator.FirstNumber = calculator.Result.Value;
} catch (Exception ex) {
if (!calculator.hasOperation)
{
error = "Please choose an operator before calculating";
}
else
{
error = ex.Message;
}
}
}
public void CalcTestTrue()
{
var calc = new CalculatorModel(new Model {
X = 0, Y = 3
});
var result = calc.Calculate();
Assert.IsTrue(result == 3);
}
private void Btn_TouchUpInside(object sender, EventArgs e)
{
var calc = new CalculatorModel(new Model {
X = i, Y = i
});
tv.Text = $"Result: {calc.Calculate()}";
i++;
}
public ActionResult Calculate(CalculatorModel model)
{
if (ModelState.IsValid)
{
try
{
model.Calculate();
}
catch (Exception e)
{
model.ModelException = e.Message;
}
}
return(View("Index", model));
}
private void ExecuteCalculate(object param)
{
_historyIdx = 0;
if (_model.Action == null)
{
return;
}
try
{
CalculatorOutput = (_model.Calculate(Array.ConvertAll(CalculatorInput, int.Parse))).ToString();
}
catch
{
CalculatorOutput = "Неправильный ввод";
}
_logger.Write(new LogEntry(CalculatorInput, _model.Action, CalculatorOutput));
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.activity_main);
var tv = FindViewById <TextView>(Resource.Id.tv);
var btn = FindViewById <Button>(Resource.Id.btn);
int i = 0;
btn.Click += (s, e) =>
{
var calc = new CalculatorModel(new Model {
X = i, Y = i
});
tv.Text = $"Result: {calc.Calculate()}";
i++;
};
}
public void Calculate()
{
CalculatorModel model = new CalculatorModel(view.NumberA, view.NumberB);
model.Calculate();
}
public void Calculate()
{
CalculatorModel model = this.view.Model;
model.Calculate();
}
public void Multiple()
{
calcModel.Calculate("5*5");
string result = calcModel.Result;
Console.WriteLine(result);
Assert.IsTrue(result.Equals("25"));
}
public CalculatorViewModel()
{
CalculateCommand = new RelayCommand <string>(param =>
OutputText = IsValidInput(InputText) ? _model.Calculate(InputText) : "Invalid Input"
);
InputCommand = new RelayCommand <string>(input =>
{
InputText += input;
InputTextBackground = IsValidInput(InputText) ? Brushes.White : Brushes.Crimson;
});
EarseCommand = new RelayCommand <string>(param => InputText = "");
BackspaceCommand = new RelayCommand <string>(param =>
{
if (InputText.Length > 0)
{
InputText = InputText.Remove(InputText.Length - 1);
}
InputTextBackground = IsValidInput(InputText) ? Brushes.White : Brushes.Crimson;
});
_model = new CalculatorModel();
WindowCloseCommand = new RelayCommand <object>(o => _model.CloseService());
}
