/// <summary>
/// Adds the specified collection of objects to <see cref="EventsCollection"/>.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to add objects to.</param>
/// <param name="timedObjects">Objects to add to <paramref name="eventsCollection"/>.</param>
/// <exception cref="ArgumentNullException">
/// <para>One of the following errors occured:</para>
/// <list type="bullet">
/// <item>
/// <description><paramref name="eventsCollection"/> is <c>null</c>.</description>
/// </item>
/// <item>
/// <description><paramref name="timedObjects"/> is <c>null</c>.</description>
/// </item>
/// </list>
/// </exception>
public static void AddObjects(this EventsCollection eventsCollection, IEnumerable <ITimedObject> timedObjects)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
ThrowIfArgument.IsNull(nameof(timedObjects), timedObjects);
var timedEventsObjects = timedObjects.GetObjects(ObjectType.TimedEvent);
if (timedEventsObjects.Count == 0)
{
return;
}
var eventsCollectionToAdd = new EventsCollection();
AddTimedEventsToEventsCollection(eventsCollectionToAdd, timedEventsObjects);
var newEventsCount = eventsCollection.Count + eventsCollectionToAdd.Count;
var allTimedEvents = new[] { eventsCollection, eventsCollectionToAdd }
.GetTimedEventsLazy(newEventsCount, false)
.Select(e => e.Item1)
.ToArray();
eventsCollection.Clear();
AddTimedEventsToEventsCollection(eventsCollection, allTimedEvents);
}
/// <summary>
/// Removes all the <see cref="TimedEvent"/> that match the conditions defined by the specified predicate.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to search for events to remove.</param>
/// <returns>Count of removed timed events.</returns>
/// <exception cref="ArgumentNullException"><paramref name="eventsCollection"/> is <c>null</c>.</exception>
public static int RemoveTimedEvents(this EventsCollection eventsCollection)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
var result = eventsCollection.Count;
eventsCollection.Clear();
return(result);
}
/// <summary>
/// Saves all events that were managed with the current <see cref="TimedEventsManager"/> updating
/// underlying events collection.
/// </summary>
/// <remarks>
/// This method will rewrite content of the events collection was used to construct the current
/// <see cref="TimedEventsManager"/> with events were managed by this manager. Also all delta-times
/// of wrapped events will be recalculated according to the <see cref="TimedEvent.Time"/> of
/// event wrappers.
/// </remarks>
public void SaveChanges()
{
_eventsCollection.Clear();
var time = 0L;
foreach (var e in Events)
{
var midiEvent = e.Event;
midiEvent.DeltaTime = e.Time - time;
_eventsCollection.Add(midiEvent);
time = e.Time;
}
}
private void CreateCommands()
{
RefreshEventsCommand = new Command(() =>
{
try
{
IsBusy = true;
EventsCollection.Clear();
cts.Cancel();
cts.Dispose();
cts = new CancellationTokenSource();
LoadEvents(_type, true);
}
catch (Exception) {}
finally
{
IsBusy = false;
}
});
}
async void SyncSchedules()
{
if (!IsBusy)
{
Exception Error = null;
BarberSchedulesList.Clear();
EventsCollection.Clear();
try
{
IsBusy = true;
var Repository = new Repository();
var Items = await Repository.GetSchedule();
foreach (var Schedule in Items)
{
BarberSchedulesList.Add(Schedule);
eventAppointment.From = Schedule.DateTime;
eventAppointment.To = eventAppointment.From.AddHours(0.5);
eventAppointment.EventName = Schedule.Service;
eventAppointment.Color = Color.ForestGreen;
EventsCollection.Add(eventAppointment);
}
}
catch (Exception ex)
{
Error = ex;
}
finally
{
IsBusy = false;
}
if (Error != null)
{
await _pageDialogService.DisplayAlertAsync("Erro", Error.Message, "OK");
}
}
return;
}
public void Clear()
{
EventsCollection.Clear();
}