/// <summary>
/// Create a chord options object and set it's default values.
/// </summary>
/// <returns>The chord options object.</returns>
private ChordOptions BuildChordOptions()
{
ChordOptions chordOptions = new ChordOptions();
chordOptions.BarreType = BarreType.Arc;
chordOptions.OpenStringType = OpenStringType.Circle;
chordOptions.Width = 150;
chordOptions.Height = 226;
return(chordOptions);
}
/// <summary>
/// Build the list of SVG images to display.
/// </summary>
/// <param name="chordResultSet">The chord result set.</param>
/// <param name="chordOptions">The chord options.</param>
/// <returns>The list of SVG images.</returns>
private List <string> BuildSVGList(ChordResultSet chordResultSet, ChordOptions chordOptions)
{
// Define the collections.
List <string> svgList = new List <string>();
List <Chord> myChords = new List <Chord>();
for (int i = 0; i < chordResultSet.Count; i++)
{
myChords.Add(chordResultSet.ChordAt(i));
}
foreach (Chord chord in myChords)
{
svgList.Add(chord.ToSvg(chordOptions));
}
return(svgList);
}
/// <summary>
/// Call from JQuery to find the chords.
/// </summary>
/// <param name="instrument">The instrument.</param>
/// <param name="tuning">The tuning.</param>
/// <param name="notes">The root note for the chord.</param>
/// <param name="chordQualities">The chord qualities.</param>
/// <param name="numFrets">The number of frets to display.</param>
/// <param name="maxFrets">The maximum number of frets to use.</param>
/// <param name="maxReach">The maximum fret reach for the fingers.</param>
/// <param name="autoAddBarres">Auto add barres?</param>
/// <param name="allowOpenStrings">Allow open strings?</param>
/// <param name="allowMutedStrings">Allow muted strings?</param>
/// <param name="mirrorResults">Mirror the results for left-handed chords?</param>
/// <param name="allowRootlessChords">Allow rootless chords?</param>
/// <returns>List of SVG images to display in the UI.</returns>
public JsonResult FindChords(string instrument, string tuning, string notes, string chordQualities, string numFrets, string maxFrets, string maxReach, string autoAddBarres, string allowOpenStrings, string allowMutedStrings, string mirrorResults, string allowRootlessChords)
{
// Initialize the ConfigFile object.
InitConfig();
// Define the objects.
Instrument Instrument = null;
ChordQuality ChordQuality = null;
ChordFinderOptions myOptions = null;
ChordFinder chordFinder = null;
ChordResultSet chordResultSet = null;
ChordOptions chordOptions = null;
Tuning Tuning = null;
Note myNote = NoteUtils.ParseNote(notes);
Instrument = GetAnInstrument(instrument);
ChordQuality = GetChordQuality(chordQualities);
if (Instrument != null)
{
// Instantiate the selected tuning object from the instrument.
Tuning = GetTheTuning(Instrument, tuning);
// Instantiate the chord finder options.
myOptions = BuildChordFinderOptions(instrument, tuning, numFrets, maxFrets, maxReach, autoAddBarres, allowOpenStrings, allowMutedStrings, mirrorResults, allowRootlessChords);
// Instantiate the chord finder object.
chordFinder = new ChordFinder(Instrument, Tuning);
// Instantiate the chord result set.
chordResultSet = chordFinder.FindChords(myNote, ChordQuality, myOptions);
// Instantiate the chord options.
chordOptions = BuildChordOptions();
// Build the list of SVG images to return to the screen.
return(Json(BuildSVGList(chordResultSet, chordOptions), JsonRequestBehavior.AllowGet));
}
else
{
// The instrument doesn't exist.
return(Json(String.Empty, JsonRequestBehavior.AllowGet));
}
}
