/// <summary>
/// Добавление новой связи
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="chance"></param>
/// <param name="isGroups">связь между группами</param>
public void AddNewLink(DiagramItem from, DiagramItem to, double chance, bool isGroups = false)
{
if (isGroups)
{
_canvas.Children.Add(new ConnectionArrow(from, to, chance));
return;
}
if ((to.GetType() == typeof(InBuffItem)) ||
(from.GetType() == to.GetType() && to.GetType() != typeof(NodeItem)))
{
MessageBox.Show("Невозможно добавить связь", "Ошибка!", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (_canvas.Children.OfType<ConnectionArrow>().Count(
x => Equals(x.FromItem, from) && Equals(x.TargetItem, to)) == 0)
{
var createWindow = new ChangeLinkWindow(from, to) {Owner = Application.Current.MainWindow};
createWindow.ShowDialog();
if (createWindow.Chance > 0)
{
var connection = new ConnectionArrow(from, to, createWindow.Chance);
_canvas.Children.Add(connection);
}
}
else MessageBox.Show("Такая связь уже имеется", "Ошибка!", MessageBoxButton.OK, MessageBoxImage.Error);
}
private void OnPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 2)
{
var wndChange = new ChangeLinkWindow(FromItem, TargetItem, Chance)
{
Owner = Application.Current.MainWindow,
};
MouseLeave -= OnMouseLeave;
SetColoredStyle();
wndChange.ShowDialog();
SetDeafultStyle();
MouseLeave += OnMouseLeave;
var chance = wndChange.Chance;
if (chance == 0) return;
var tempChance = Chance;
Chance = chance;
if (FromItem.SumChanceOut > 1)
{
MessageBox.Show("Сумма вероятностей > 100%", "Ошибка!", MessageBoxButton.OK, MessageBoxImage.Error);
Chance = tempChance;
}
}
}