private void AddPr_Click(object sender, RoutedEventArgs e) { if (string.IsNullOrWhiteSpace(FirstRule.Text) || string.IsNullOrWhiteSpace(SecondRule.Text)) { MessageBox.Show("Недопустиммый ввод, проверьте правильнось ввода правил"); // если поля пустые } else { ListRules.Items.Add(FirstRule.Text + "->" + SecondRule.Text); FirstRule.Clear(); SecondRule.Clear(); } }
/// <inheritdoc /> public IEnumerable <Message> Validate(IPropertyContainer propertyContainer) { Message[] messages1 = FirstRule.Validate(propertyContainer).ToArray(); Message[] messages2 = LastRule.Validate(propertyContainer).ToArray(); // Rule1 true; Rule2 true => true // Rule1 true; Rule2 false => true // Rule1 false; Rule2 true => true // Rule1 false; Rule2 false => false if (messages1.Length > 0 && messages2.Length > 0) { // messages1.Length > 0 && messages2.Length > 0 => OR rule failed. string message1 = messages1.Select(message => message.FormattedMessage).FormatAsTuple(startSymbol: "[", endSymbol: "]"); string message2 = messages2.Select(message => message.FormattedMessage).FormatAsTuple(startSymbol: "[", endSymbol: "]"); yield return(new Message($"{message1} or {message2}", severity: MessageSeverity.Error)); } }
/// <inheritdoc /> public IEnumerable <Message> Validate(IPropertyContainer propertyContainer) { foreach (var message in FirstRule.Validate(propertyContainer)) { yield return(message); if (BreakOnFirstError) { yield break; } } foreach (var message in LastRule.Validate(propertyContainer)) { yield return(message); if (BreakOnFirstError) { yield break; } } }