File indexing completed on 2024-04-28 15:07:59

 /* GCompris - play_piano.js
  *
  * SPDX-FileCopyrightText: 2018 Aman Kumar Gupta <gupta2140@gmail.com>
  *
  * Authors:
  *   Beth Hadley <bethmhadley@gmail.com> (GTK+ version)
  *   Aman Kumar Gupta <gupta2140@gmail.com> (Qt Quick port)
  *
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 .pragma library
 .import QtQuick 2.12 as Quick
 .import "qrc:/gcompris/src/core/core.js" as Core
 
 var numberOfLevel = 10
 var noteIndexAnswered
 var items
 var levels
 var incorrectAnswers = []
 var isIntroductoryAudioPlaying = false
 
 function start(items_) {
     items = items_
     items.currentLevel = Core.getInitialLevel(numberOfLevel)
     levels = items.parser.parseFromUrl("qrc:/gcompris/src/activities/play_piano/dataset.json").levels
     items.introductoryAudioTimer.start()
     initLevel()
 }
 
 function stop() {
     items.introductoryAudioTimer.stop()
     items.multipleStaff.stopAudios()
 }
 
 function initLevel() {
     items.score.currentSubLevel = 0
     Core.shuffle(levels[items.currentLevel])
     nextSubLevel()
 }
 
 function initSubLevel() {
     var currentSubLevelMelody = levels[items.currentLevel][items.score.currentSubLevel]
     noteIndexAnswered = -1
     items.multipleStaff.loadFromData(currentSubLevelMelody)
 
     if(!isIntroductoryAudioPlaying && !items.iAmReady.visible)
         items.multipleStaff.play()
     items.buttonsBlocked = false
 }
 
 function nextSubLevel() {
     incorrectAnswers = []
     if(items.score.currentSubLevel >= levels[items.currentLevel].length)
         items.bonus.good("note")
     else
         initSubLevel()
 }
 
 function undoPreviousAnswer() {
     if(noteIndexAnswered >= 0) {
         items.multipleStaff.revertAnswer(noteIndexAnswered + 1)
         if(incorrectAnswers.indexOf(noteIndexAnswered) != -1)
             incorrectAnswers.pop()
 
         noteIndexAnswered--
     }
 }
 
 function checkAnswer(noteName) {
     var currentSubLevelNotes = levels[items.currentLevel][items.score.currentSubLevel].split(' ')
     if(noteIndexAnswered < (currentSubLevelNotes.length - 2)) {
         noteIndexAnswered++
         var currentNote = currentSubLevelNotes[noteIndexAnswered + 1]
         if((noteName + "Quarter") === currentNote)
             items.multipleStaff.indicateAnsweredNote(true, noteIndexAnswered + 1)
         else {
             incorrectAnswers.push(noteIndexAnswered)
             items.multipleStaff.indicateAnsweredNote(false, noteIndexAnswered + 1)
         }
 
         if(noteIndexAnswered === (currentSubLevelNotes.length - 2)) {
             items.buttonsBlocked = true
             items.answerFeedbackTimer.restart()
         }
     }
 }
 
 function answerFeedback() {
     if(incorrectAnswers.length === 0) {
         items.score.currentSubLevel += 1
         items.score.playWinAnimation()
         items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/completetask.wav")
     } else {
         items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/crash.wav")
         items.buttonsBlocked = false
     }
 }
 
 function nextLevel() {
     items.score.stopWinAnimation()
     items.currentLevel = Core.getNextLevel(items.currentLevel, numberOfLevel);
     initLevel();
 }
 
 function previousLevel() {
     items.score.stopWinAnimation()
     items.currentLevel = Core.getPreviousLevel(items.currentLevel, numberOfLevel);
     initLevel();
 }