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;
}
}
}
