public MainWindow()
{
InitializeComponent();
ExpressionBox.Focus();
CloseWindowWhileRunningTestsInDebugMode();
}
private void SolveExpression(object sender, RoutedEventArgs e)
{
string expression = ExpressionBox.Text.TrimEnd();
if (!string.IsNullOrEmpty(expression))
{
StringBuilder result = new StringBuilder();
try
{
result.Append(RomanExpressionSolver.Solve(expression));
ResultLabelText.FontSize = 70;
ResultLabelText.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#8873CB"));
ResultLabelText.Foreground = (SolidColorBrush)(new BrushConverter().ConvertFrom("#250D71"));
}
catch (Exception ex)
{
result.Append(expression + " : " + ex.Message);
ResultLabelText.FontSize = 16;
ResultLabelText.Background = new SolidColorBrush(Colors.Red);
ResultLabelText.Foreground = new SolidColorBrush(Colors.White);
}
ExpressionBox.Text = "";
ResultLabelText.Text = result.ToString();
LastExpressionText.Text = $"Last expression: {expression}";
ExpressionBox.Focus();
}
}
private void PutContent(object sender, RoutedEventArgs e)
{
Button btn = (Button)sender;
string content = btn.Content.ToString();
if (ExpressionBox.SelectedText.Length > 0)
{
ExpressionBox.SelectedText = content;
Regex trimmer = new Regex(@"\s\s+");
ExpressionBox.Text = trimmer.Replace(ExpressionBox.Text, " ");
ExpressionBox.Select(0, 0);
int caretLength = ExpressionBox.Text.Length;
ExpressionBox.CaretIndex = caretLength;
}
else
{
string[] operators = { "+", "-", "*", "/", "%", "^", "√" };
if (operators.Contains(content))
{
ExpressionBox.Text = ExpressionBox.Text.Insert(ExpressionBox.CaretIndex, $" {content} ");
int caretLength = ExpressionBox.Text.Length;
ExpressionBox.CaretIndex = caretLength + 3;
}
else
{
ExpressionBox.Text = ExpressionBox.Text.Insert(ExpressionBox.CaretIndex, content);
int caretLength = ExpressionBox.Text.Length;
ExpressionBox.CaretIndex = caretLength + 1;
}
Regex trimmer = new Regex(@"\s\s+");
ExpressionBox.Text = trimmer.Replace(ExpressionBox.Text, " ");
}
ExpressionBox.Focus();
}
private void SetFocus()
{
ExpressionBox.Focus();
ExpressionBox.Select(ExpressionBox.Text.Length, 0);
ExpressionBox.ScrollToEnd();
}
