Trombone positions

Hi!
I have found this plugin code for musescore 1.0.
I would like to have the plugin work in musescore 2.0. Can anyone help me?

Greetings
Rune

//=============================================================================
// Brass instrument fingering plugin for MuseScore
//
// Copyright (C)2012 Ian McLeod (underquark)
// Trombone positions by DerPosaunist
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//=============================================================================

var notes = [ "7", "6", "5", "4", "3", "2", "1", // Bb //
"7", "6", "5", "4", "3", "2", "1", // F //
"5", "4", "3", "2", "1", // Bb //
"4", "3", "2", "1", // D //
"3", "2", "1", // F //
"3+", "2+", // G //
"3", "2", "1", // Bb //
"2", "1", // C //
"2", "1", // D //
"3", "2", "1", // F //
"3", "2", // G //
"3", "2", "1"] // Bb //
//=============================================================================
// Alternative Positions
//=============================================================================
//var notes = [ "7", "6", "5", "4", "3", "2", "1", // Bb //
// "7", "6", "5", "4", "3", "2/7", "1/6", // F //
// "5", "4", "3/7", "2/6", "1/5", // Bb //
// "4/7", "3/6", "2/5", "1/4/7", // D //
// "3/6", "2/5/7", "1/4/6", // F //
// "3+/5/7", "2+/4/6", // G //
// "3/5/7", "2/4/6", "1/3/5", // Bb //
// "2/4/6", "1/3/5", // C //
// "2/4/5", "1/3/4", // D //
// "3/2", "2", "1", // F //
// "3", "2", // G //
// "3", "2", "1"] // Bb //

//---------------------------------------------------------
// init
//---------------------------------------------------------

function init()
{
}

//-------------------------------------------------------------------
// run
//-------------------------------------------------------------------

function run()
{
var cursor = new Cursor(curScore);
cursor.staff = 0;
cursor.voice = 0;
cursor.rewind(); // move cursor to first note or rest
var font = new QFont("Times New Roman", 7);
while (!cursor.eos()) {
if (cursor.isChord()) {

var pitch = cursor.chord().topNote().pitch;
var index = pitch - 40;
if (index >= 0 && index < notes.length){
var glyph = new Text(curScore);
glyph.text = notes[index];
glyph.defaultFont = font;
glyph.yOffset = 6
// if (pitch < 59){
// glyph.yOffset = glyph.yOffset + 2;
// }
glyph.xOffset = 0
cursor.putStaffText(glyph);
}
}
cursor.next();
}
}

var mscorePlugin = {
menu: 'Plugins.Create Trombone Positions',
init: init,
run: run
};

mscorePlugin;