public GadgetViewModel()
{
initalLoadGadgets();
newGadgetCom = new RelayCommand <Gadget>((x) => funcNewGadget(), (x) => true);
delGadgetCom = new RelayCommand <Gadget>((x) => funcDelGadget(), (x) => true);
client.NotificationReceived += (o, e) =>
{
Console.WriteLine("WebSocket::Notification: " + e.Notification.Target + " > " + e.Notification.Type);
// demonstrate how these updates could be further used
if (e.Notification.Target == typeof(Gadget).Name.ToLower())
{
// deserialize the json representation of the data object to an object of type Gadget
var gadget = e.Notification.DataAs <Gadget>();
switch (e.Notification.Type)
{
case WebSocketClientNotificationTypeEnum.Add:
Gadgets.Add(gadget);
break;
case WebSocketClientNotificationTypeEnum.Delete:
Gadgets.Remove(gadget);
break;
}
}
};
var bgTask = client.ListenAsync();
}
public void RemoveGadget()
{
try
{
if (SelectedGadget != null)
{
MessageBoxResult dialogResult = MessageBox.Show($"Sind Sie sicher, dass Sie{Environment.NewLine}{Environment.NewLine}{SelectedGadget.FullDescription()}{Environment.NewLine}{Environment.NewLine}löschen möchten?", "Löschen bestätigen", MessageBoxButton.YesNo);
if (dialogResult == MessageBoxResult.Yes)
{
if (libraryAdminService.DeleteGadget(SelectedGadget))
{
Gadgets.Remove(SelectedGadget);
}
else
{
MessageBox.Show("Fehler beim Löschen des Gadgets. Bitte versuchen Sie es nochmals.", "Löschen fehlgeschlagen", MessageBoxButton.OK);
}
}
}
}
catch (InvalidCastException exception)
{
MessageBox.Show("Fehler beim Löschen des Gadgets. Bitte versuchen Sie es nochmals.", "Löschen fehlgeschlagen", MessageBoxButton.OK);
Debug.Print(exception.ToString());
}
}
private void Delete()
{
if (MessageBox.Show(Properties.Resources.DELETE_CONFIRMATION_TEXT, Properties.Resources.DELETE_CONFIRMATION_TITLE, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
libraryAdminService.DeleteGadget(SelectedGadget);
Gadgets.Remove(SelectedGadget);
SelectedGadget = Gadgets.ElementAt(0);
}
}
public static void Delete(Gadget gadget)
{
MessageBoxResult messageBoxResult = MessageBox.Show(String.Format("Are you sure you want delete this gadget:\n{0} ({1})", gadget.Name, gadget.Manufacturer), "Delete Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (messageBoxResult == MessageBoxResult.Yes)
{
if (Service.DeleteGadget(gadget))
{
Gadgets.Remove(gadget);
}
else
{
messageBoxResult = MessageBox.Show("Could not delete selected gadget.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}