public async void PlaySingleNote()
{
try
{
if (!IsPlaying)
{
IsPlaying = true;
FreePlayViewModel viewModel = (FreePlayViewModel)PageController.GetViewModel().CurrentPage.DataContext;
if (CurrentNote == NOTES.Length - 1)
{
CurrentNote = 0;
viewModel.CurrentNoteNumber = CurrentNote;
}
else
{
CurrentNote += 1;
viewModel.CurrentNoteNumber = CurrentNote;
}
viewModel.CurrentNoteNumber = CurrentNote;
SetPressedButtonColor();
MidiPlayer.Play(new NoteOn(0, 0, NOTES[CurrentNote], volume));
await Task.Factory.StartNew(() =>
{
Thread.Sleep(150);
});
SetOriginalButtonColor();
MidiPlayer.Play(new NoteOff(0, 0, NOTES[CurrentNote], volume));
IsPlaying = false;
}
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
public async void PlayNOTES()
{
try
{
IsPlaying = true;
FreePlayViewModel viewModel = (FreePlayViewModel)PageController.GetViewModel().CurrentPage.DataContext;
while (IsPlaying)
{
volume = PageController.GetPianoRollModel().volume; //получаем текущее значение громкости
SetPressedButtonColor(); //меняем цвет кнопки
MidiPlayer.Play(new NoteOn(0, 0, NOTES[CurrentNote], volume));
await Task.Factory.StartNew(() =>
{
try { Thread.Sleep(Convert.ToInt32(DURATIONS[CurrentNote])); }
catch { Thread.Sleep(250); }
});
SetOriginalButtonColor();//возвращаем цвет
MidiPlayer.Play(new NoteOff(0, 0, NOTES[CurrentNote], volume));
CurrentNote = CurrentNote == NOTES.Length - 1 ? 0 : CurrentNote += 1;
viewModel.CurrentNoteNumber = CurrentNote;
}
}
catch (Exception ex) { IsPlaying = false; MessageBox.Show(ex.Message); }
}
void SetPressedButtonColor()
{
try
{
List <FrameworkElement> lstElement;
FreePlayPage page = (FreePlayPage)PageController.GetViewModel().CurrentPage;
FreePlayViewModel viewModel = (FreePlayViewModel)page.DataContext;
Panel pianoRoll = (Panel)page.pianoRoll.Content;
UIElementCollection element = pianoRoll.Children;
lstElement = element.Cast <FrameworkElement>().ToList();
Dictionary <string, string> _notesByKeys = PageController.GetPianoRollModel()._notesByKeys;
List <string> pressedNotes = new List <string>();
var lstControl = lstElement.OfType <Button>();
foreach (var control in lstControl)
{
if (control.Tag.ToString() == _notesByKeys.FirstOrDefault(x => x.Value == NOTES[CurrentNote]).Key)
{
if (NOTES[CurrentNote].Contains("#"))
{
control.SetResourceReference(Button.StyleProperty, "BlackPressedPianoKeyStyle");
}
else
{
control.SetResourceReference(Button.StyleProperty, "WhitePressedPianoKeyStyle");
}
}
}
}
catch (Exception) { IsPlaying = false; }
}
public void SaveSong(string NewNotes, string NewDurations, string SongTitle)
{
FreePlayViewModel viewModel = (FreePlayViewModel)PageController.GetViewModel().CurrentPage.DataContext;
using (SqlConnection dbConn = new SqlConnection())
{
try
{
int pos = NewDurations.IndexOf(' ');
NewDurations = NewDurations.Substring(pos + 1);
dbConn.ConnectionString = ConfigurationManager.ConnectionStrings["YourPianoConnection"].ConnectionString;
string querytString = $"insert NoteSequence(notes, durations) values ('{NewNotes}', '{NewDurations}')";
dbConn.Open();
SqlCommand command = new SqlCommand(querytString, dbConn);
command.ExecuteNonQuery();
dbConn.Close();
querytString = $"select ID from NoteSequence where notes = '{NewNotes}'";
dbConn.Open();
SqlDataAdapter dbAdapter = new SqlDataAdapter(querytString, dbConn);
DataTable id = new DataTable();
dbAdapter = new SqlDataAdapter(querytString, dbConn);
dbAdapter.Fill(id);
dbConn.Close();
dbConn.ConnectionString = ConfigurationManager.ConnectionStrings["YourPianoConnection"].ConnectionString;
querytString = $"insert into ActionInfo(userID, songName, date, noteSecuence)" +
$"values ('{CurrentUser.userID}', '{SongTitle}', '{DateTime.Now.ToString()}', '{id.Rows[0][0]}')";
dbConn.Open();
command = new SqlCommand(querytString, dbConn);
command.ExecuteNonQuery();
MessageBox.Show("Произведение сохранено!");
NOTES = NewNotes.Split(new char[] { ' ' });
DURATIONS = NewDurations.Split(new char[] { ' ' });
viewModel.SongNotes = NOTES;
CurrentNote = 0;
viewModel.CurrentNoteNumber = 0;
dbConn.Close();
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message);
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
finally
{
dbConn.Close();
}
}
CurrentNote = 0;
viewModel.CurrentNoteNumber = 0;
}
//comboBox filling
public FreePlayPage()
{
try
{
InitializeComponent();
viewModel = new FreePlayViewModel();
DataContext = viewModel;
viewModel.view = this;
instrumentsBox.ItemsSource = Enum.GetValues(typeof(GeneralMidiInstruments));
instrumentsBox.SelectedItem = instrumentsBox.Items[0];
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
pianoRoll.buttonB2.Focus();
}
}