/// <summary>
/// Removes all the <see cref="Note"/> that match the conditions defined by the specified predicate.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to search for notes to remove.</param>
/// <param name="match">The predicate that defines the conditions of the <see cref="Note"/> to remove.</param>
/// <exception cref="ArgumentNullException"><paramref name="eventsCollection"/> is <c>null</c>.</exception>
public static void RemoveNotes(this EventsCollection eventsCollection, Predicate <Note> match = null)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
using (var notesManager = eventsCollection.ManageNotes())
{
notesManager.Notes.RemoveAll(match ?? (n => true));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ChordsManager"/> with the specified events
/// collection, notes tolerance and comparison delegate for events that have same time.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> that holds chord events to manage.</param>
/// <param name="settings">Settings accoridng to which chords should be detected and built.</param>
/// <param name="sameTimeEventsComparison">Delegate to compare events with the same absolute time.</param>
/// <exception cref="ArgumentNullException"><paramref name="eventsCollection"/> is <c>null</c>.</exception>
public ChordsManager(EventsCollection eventsCollection, ChordDetectionSettings settings = null, Comparison <MidiEvent> sameTimeEventsComparison = null)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
_notesManager = eventsCollection.ManageNotes(settings?.NoteDetectionSettings, sameTimeEventsComparison);
Chords = new ChordsCollection(_notesManager.Notes.GetChords(settings));
Chords.CollectionChanged += OnChordsCollectionChanged;
}
/// <summary>
/// Initializes a new instance of the <see cref="ChordsManager"/> with the specified events
/// collection, notes tolerance and comparison delegate for events that have same time.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> that holds chord events to manage.</param>
/// <param name="notesTolerance">Notes tolerance that defines maximum distance of notes from the
/// start of the first note of a chord. Notes within this tolerance will be considered as a chord.</param>
/// <param name="sameTimeEventsComparison">Delegate to compare events with the same absolute time.</param>
/// <exception cref="ArgumentNullException"><paramref name="eventsCollection"/> is null.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="notesTolerance"/> is negative.</exception>
public ChordsManager(EventsCollection eventsCollection, long notesTolerance = 0, Comparison <MidiEvent> sameTimeEventsComparison = null)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
ThrowIfNotesTolerance.IsNegative(nameof(notesTolerance), notesTolerance);
_notesManager = eventsCollection.ManageNotes(sameTimeEventsComparison);
Chords = new ChordsCollection(CreateChords(_notesManager.Notes, notesTolerance));
Chords.CollectionChanged += OnChordsCollectionChanged;
}
/// <summary>
/// Gets notes contained in the specified collection of <see cref="MidiEvent"/>.
/// </summary>
/// <param name="events">Collection of<see cref="MidiFile"/> to search for notes.</param>
/// <returns>Collection of notes contained in <paramref name="events"/> ordered by time.</returns>
/// <exception cref="ArgumentNullException"><paramref name="events"/> is <c>null</c>.</exception>
public static IEnumerable <Note> GetNotes(this IEnumerable <MidiEvent> events)
{
ThrowIfArgument.IsNull(nameof(events), events);
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(events);
return(eventsCollection.ManageNotes().Notes.ToList());
}
/// <summary>
/// Adds collection of notes to the specified <see cref="EventsCollection"/>.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to add notes to.</param>
/// <param name="notes">Notes to add to the <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="notes"/> is <c>null</c>.</description>
/// </item>
/// </list>
/// </exception>
public static void AddNotes(this EventsCollection eventsCollection, IEnumerable <Note> notes)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
ThrowIfArgument.IsNull(nameof(notes), notes);
using (var notesManager = eventsCollection.ManageNotes())
{
notesManager.Notes.Add(notes);
}
}
/// <summary>
/// Performs the specified action on each <see cref="Note"/> contained in the <see cref="EventsCollection"/>.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to search for notes to process.</param>
/// <param name="action">The action to perform on each <see cref="Note"/> contained in the
/// <paramref name="eventsCollection"/>.</param>
/// <param name="match">The predicate that defines the conditions of the <see cref="Note"/> to process.</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="action"/> is <c>null</c>.</description>
/// </item>
/// </list>
/// </exception>
public static void ProcessNotes(this EventsCollection eventsCollection, Action <Note> action, Predicate <Note> match = null)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
ThrowIfArgument.IsNull(nameof(action), action);
using (var notesManager = eventsCollection.ManageNotes())
{
foreach (var note in notesManager.Notes.Where(n => match?.Invoke(n) != false))
{
action(note);
}
}
}
/// <summary>
/// Gets notes contained in the specified <see cref="EventsCollection"/>.
/// </summary>
/// <param name="eventsCollection"><see cref="EventsCollection"/> to search for notes.</param>
/// <returns>Collection of notes contained in <paramref name="eventsCollection"/> ordered by time.</returns>
/// <exception cref="ArgumentNullException"><paramref name="eventsCollection"/> is <c>null</c>.</exception>
public static IEnumerable <Note> GetNotes(this EventsCollection eventsCollection)
{
ThrowIfArgument.IsNull(nameof(eventsCollection), eventsCollection);
return(eventsCollection.ManageNotes().Notes.ToList());
}
