private void OnPopupOpened(object sender, object e)
{
/*var element = actionsHost.Items[0] as Control;
* element?.Focus(FocusState.Programmatic);*/
opened.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Defines the method to be called when the command is invoked.
/// </summary>
/// <param name="value">Data used by the command. If the command does not require data to be passed, this object can be set to null.</param>
public void Execute(object value)
{
using (var token = access.AccquireUpgradeableReaderLock())
{
if (false == CanExecute(value))
{
return;
}
executeChanged.Invoke(this, EventArgs.Empty);
using (token.Upgrade())
{
if (IsExecuting)
{
return;
}
try
{
IsExecuting = true;
cts = new CancellationTokenSource();
Task.Factory.StartNew(DoExecute, value, cts.Token).RunAndForget();
}
catch (Exception)
{
IsExecuting = false;
complete.Invoke(this, new CommandCompleteEventArgs(CompleteStatus.Failed));
}
}
}
}
private bool TryInvokeEventHandler(object sender, TEventArgs args)
{
if (_weakEventHandler.TryGetTarget(out var target))
{
_weakEventHandler.Invoke(target, sender, args);
return(true);
}
return(false);
}
protected override bool TryInvokeEventHandler(object sender, PropertyChangedEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (_weakEventHandler.TryGetTarget(out var target))
{
_weakEventHandler.Invoke(target, sender, e);
return(true);
}
return(false);
}
private protected virtual bool TryInvokeEventHandler([NotNull] object sender, [NotNull] TEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (_weakEventHandler.NotNull().TryGetTarget(out var target))
{
_weakEventHandler.Invoke(target, sender, e);
return(true);
}
return(false);
}
private void OnActionDispatcherExecuteAction(ActionDispatcher sender, DispatcherActionExecuteEventArgs e)
{
if (sender != ActionDispatcher)
{
return;
}
var wellKnownActions = Enum.GetValues(typeof(WellKnownActions));
foreach (WellKnownActions action in wellKnownActions)
{
var knownAction = ActionDispatcher.GetKnownAction(action);
if (e.Action == knownAction)
{
Close();
}
}
executeAction.Invoke(this, new DialogActionExecuteEventArgs(e.Payload as IDialogAction));
}
private void DoResourcesChanged()
{
resourcesChanged.Invoke(this, EventArgs.Empty);
}
private void OnIsEnabledChanged()
{
canExecuteChanged.Invoke(this, EventArgs.Empty);
}
protected void DoRaiseEvent(InteractionRequestedEventArgs e)
{
raised.Invoke(this, e);
}
private void OnPopupClosed(object sender, object e)
{
closed.Invoke(this, EventArgs.Empty);
}
