private void Init()
{
// Create MVP architecture
_numberPad = new NumberPad(_mainWindow);
_mathExpressionModel = new MathExpressionModel();
_calculatorPresenter = new CalculatorPresenter(_mathExpressionModel);
_expressionView = new FTextBlock(_mainWindow.txt_blk_expression);
// Presenter is listening on to the number pad view
_numberPad.SetButtonPressedCallback(_calculatorPresenter.ExpressionButtonPressed);
// ExpressionView is listening to the changes on the model
_mathExpressionModel.ExpressionPropertyChanged.AddListener(_expressionView.OnTextUpdated);
// Update all the listeners with the latest values
_mathExpressionModel.RefreshValues();
}
public CalculatorPresenter(MathExpressionModel model)
{
_mathExpressionModel = model;
}