public virtual void Trigger(PEventManager manager)
{
if (this.task != null)
{
throw new InvalidOperationException("This event can't be triggered before the previous lifecycle is finished.");
}
manager.SetupEventHandlers(this);
if (this.Prepare != null)
{
try
{
Prepare(this as TEvent);
}
catch (Exception e)
{
TaskFail(e);
return;
}
}
if (this.Execute != null)
{
token = new CancellationTokenSource();
task = new Task((t) => this.Execute(this as TEvent), token);
completeTask = task.ContinueWith(task => TaskComplete(task, manager));
task.Start();
}
else
{
TaskComplete(null, manager);
}
}
internal void TaskComplete(Task t, PEventManager manager)
{
var ctrl = manager.MainThreadControl;
if (ctrl != null && ctrl is ISynchronizeInvoke && (ctrl as ISynchronizeInvoke).InvokeRequired)
{
(ctrl as ISynchronizeInvoke).Invoke(new Action <Task>(task => TaskComplete(task, manager)), new object[] { t, manager });
}
#if WPF
else if (ctrl != null && ctrl is System.Windows.Threading.DispatcherObject && !(ctrl as System.Windows.Threading.DispatcherObject).Dispatcher.CheckAccess())
{
(ctrl as System.Windows.Threading.DispatcherObject).Dispatcher.Invoke(new Action <Task>(task => TaskComplete(task, manager)), new object[] { t, manager });
}
#endif
else
{
try
{
this.IsSuccess = true;
if (this.task != null && this.task.IsFaulted)
{
var exception = this.task.Exception.GetBaseException();
if (exception is PEventCancelException)
{
var canelException = exception as PEventCancelException;
if (!canelException.IgnoreSuccess)
{
if (!canelException.Success)
{
this.IsSuccess = false;
}
}
else
{
return;
}
}
else
{
this.IsSuccess = false;
}
}
if (this.IsSuccess)
{
if (this.Success != null)
{
this.Success(this as TEvent);
}
}
else
{
if (this.Error != null)
{
this.Error(this as TEvent, this.task.Exception.GetBaseException());
}
}
}
finally
{
this.task = null;
this.completeTask = null;
if (this.Complete != null)
{
this.Complete(this as TEvent);
}
}
}
}
