public void TestMethod1()
        {
            var f      = new SheetReaderFactory();
            var reader = f.GetReader("hallo.mid");

            Assert.IsNotNull(reader);
        }
        public async Task TestLy()
        {
            var writerFactory = new SheetWriterFactory();
            var writerExt     = writerFactory.GetAllSupportedExtension();

            var readerFactory = new SheetReaderFactory();
            var readerExt     = readerFactory.GetAllSupportedExtension();

            var reader = readerFactory.GetReader("../../../DPA_Musicsheets/Files/Twee-emmertjes-water-halen.ly");

            //reader.SetFilePath("../../../DPA_Musicsheets/Files/Alle-eendjes-zwemmen-in-het-water.ly");

            reader.SetFilePath("../../../DPA_Musicsheets/Files/Twee-emmertjes-water-halen.ly");


            var resultA = await reader.ReadFromFileAsync();

            var resultB = await reader.ReadFromFileAsync();

            var writerA    = writerFactory.GetWriter("hallo.ly");
            var strResultA = await writerA.WriteToString(resultA);

            var strResultB = await writerA.WriteToString(resultB);

            var nothing = string.Empty;
        }
        async public Task TextChanged(string lilypondText)
        {
            var sheetReaderFactory = new SheetReaderFactory();
            var sheetReader        = sheetReaderFactory.GetReader(".ly");

            try
            {
                var sheet = await sheetReader.ReadFromStringAsync(lilypondText);

                var converter = new SheetToWPFConverter();

                WPFStaffs.Clear();
                WPFStaffs.AddRange(converter.ConvertSheet(sheet));
                WPFStaffsChanged?.Invoke(this, new WPFStaffsEventArgs()
                {
                    Symbols = WPFStaffs
                });

                MidiSequence = GetSequenceFromWPFStaffs();
                MidiSequenceChanged?.Invoke(this, new MidiSequenceEventArgs()
                {
                    MidiSequence = MidiSequence
                });
            }
            catch (Exception)
            {
                Messenger.Default.Send(new CurrentStateMessage()
                {
                    State = "Error parsing lilypond"
                });
            }
        }
        private int _beatsPerBar;    // Aantal beatnotes per maat.

        async public Task OpenFile(string fileName)
        {
            var sheetReaderFactory = new SheetReaderFactory();
            var sheetWriterFactory = new SheetWriterFactory();
            var sheetReader        = sheetReaderFactory.GetReader(fileName);
            var converter          = new SheetToWPFConverter();
            var writer             = sheetWriterFactory.GetWriter(".ly");

            var sheet = await sheetReader.ReadFromFileAsync();

            WPFStaffs.Clear();
            WPFStaffs.AddRange(converter.ConvertSheet(sheet));
            WPFStaffsChanged?.Invoke(this, new WPFStaffsEventArgs()
            {
                Symbols = WPFStaffs
            });

            LilypondTextChanged?.Invoke(this, new LilypondEventArgs {
                LilypondText = await writer.WriteToString(sheet)
            });

            MidiSequence = GetSequenceFromWPFStaffs();
            MidiSequenceChanged?.Invoke(this, new MidiSequenceEventArgs()
            {
                MidiSequence = MidiSequence
            });
        }
        public async Task TestFile()
        {
            var f      = new SheetReaderFactory();
            var reader = f.GetReader("../../../DPA_Musicsheets/Files/Alle-eendjes-zwemmen-in-het-water.mid");
            await reader.ReadFromFileAsync();


            Assert.IsTrue(true);
        }
        public void TestCustomTypes()
        {
            var asm = typeof(ReaderTests).Assembly;

            var f      = new SheetReaderFactory(asm);
            var reader = f.GetReader("hallo.mid");

            Assert.IsTrue(reader is MockReader);
        }
        public void SetText(string text)
        {
            _text = text;

            var factory = new SheetReaderFactory();
            var writer  = factory.GetReader(".ly");

            try
            {
                _musicSheet = writer.ReadFromStringAsync(_text).Result;
            }
            catch (Exception)
            {
            }
        }