import QtQuick 1.0
import MuseScore 1.0

MuseScore {
      menuPath: "Plugins.pluginName"

      function applyToNotesInSelection(func) {
            var cursor     = curScore.newCursor();
            cursor.rewind(1);
            var startStaff  = cursor.staffIdx;
            cursor.rewind(2);
            var endStaff   = cursor.staffIdx;
            var endTick    = cursor.tick // if no selection, end of score
            var fullScore = false;
            if (!cursor.segment) { // no selection
                  fullScore = true;
                  startStaff = 0; // start with 1st staff
                  endStaff = curScore.nstaves; // and end with last
            }
       console.log(startStaff + " - " + endStaff + " - " + endTick)
            for (var staff = startStaff; staff <= endStaff; staff++) {
                  for (var voice = 0; voice < 4; voice++) {          
                        cursor.rewind(1); // sets voice to 0
                        cursor.voice = voice; //voice has to be set after goTo
                        cursor.staffIdx = staff;

                        if (fullScore)
                              cursor.rewind(0) // if no selection, beginning of score

                        while (cursor.segment && (fullScore || cursor.tick < endTick)) {
                              if (cursor.element && cursor.element.type == Element.CHORD) {
                                    var notes = cursor.element.notes;
                                    for (var i = 0; i < notes.length; i++) {
                                          var note = notes[i];
                                          func(note);
                                    }
                              }
                              cursor.next();
                        }
                  }
            }
      }

      function changePitch(note) {
            note.pitch = 71;
      }

      onRun: {
            console.log("hello colornotes");
 
            if (typeof curScore === 'undefined')
                  Qt.quit();
 
            applyToNotesInSelection(changePitch)
 
            Qt.quit();
         }
}