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 /* GCompris - enumerate.js
 *
 * SPDX-FileCopyrightText: 2014 Thib ROMAIN <thibrom@gmail.com>
 *
 * Authors:
 *   Bruno Coudoin <bruno.coudoin@gcompris.net> (GTK+ version)
 *   Thib ROMAIN <thibrom@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 url = "qrc:/gcompris/src/activities/enumerate/resource/";
 var url2 = "qrc:/gcompris/src/activities/algorithm/resource/";
 var items;
 var maxSubLevel;
 var dataset;
 var numberOfLevel;
 var numberOfItemType;
 var numberOfItemMax;
 var itemIcons = [
             url2 + "apple.svg",
             url2 + "banana.svg",
             url2 + "cherries.svg",
             url + "grapes.svg",
             url2 + "lemon.svg",
             url2 + "orange.svg",
             url + "peach.svg",
             url2 + "pear.svg",
             url2 + "plum.svg",
             url + "strawberry.svg",
             url + "watermelon.svg",
         ];
 var numberOfTypes = itemIcons.length;
 var userAnswers = new Array();
 var answerToFind = new Array();
 var answersMode;
 var lockKeyboard = true;
 
 
 // We keep a globalZ across all items. It is increased on each
 // item selection to put it on top
 var globalZ = 0;
 
 function start(items_) {
     items = items_;
     answersMode = items.mode;
     dataset = items.levels;
     numberOfLevel = dataset.length;
     items.currentLevel = Core.getInitialLevel(numberOfLevel);
     initLevel();
 }
 
 function stop() {
     cleanUp();
 }
 
 function initLevel() {
     if(items.levels) {
         items.instructionText = items.levels[items.currentLevel].objective;
         items.instruction.opacity = 0.8;
     }
     items.score.currentSubLevel = 0;
     numberOfItemType = dataset[items.currentLevel].numberOfItemType;
     numberOfItemMax = dataset[items.currentLevel].numberOfItemMax;
     maxSubLevel = dataset[items.currentLevel].sublevels;
     items.score.numberOfSubLevels = maxSubLevel;
     initSubLevel();
 }
 
 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();
 }
 
 function cleanUp() {
     userAnswers = new Array();
     answerToFind = new Array();
     items.answerColumn.model = null;
     items.itemListModel = null;
 }
 
 function setUserAnswer(imgPath, userValue) {
     userAnswers[imgPath] = userValue;
     if (answersMode === 1) {
         return userAnswers[imgPath] === answerToFind[imgPath];
     }
 }
 
 function checkAnswersAuto() {
     for (var key in answerToFind) {
         if(userAnswers[key] !== answerToFind[key]) {
             return;
         }
     }
     items.buttonsBlocked = true;
     items.score.currentSubLevel += 1;
     items.score.playWinAnimation();
     items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/completetask.wav");
 }
 
 function checkAnswers() {
     items.okButton.enabled = false;
     var i = 0;
     var isAnswerGood =  true;
     for (var key in answerToFind) {
         if(userAnswers[key] !== answerToFind[key]) {
             items.answerColumn.itemAt(i).state = "badAnswer";
             isAnswerGood = false;
         }
         else
             items.answerColumn.itemAt(i).state = "goodAnswer";
          i++;
     }
 
     if(isAnswerGood) {
         items.buttonsBlocked = true;
         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.errorRectangle.startAnimation();
     }
 }
 
 function resetAnswerAreaColor() {
      for(var i = 0; i < numberOfItemType; i++ )
          items.answerColumn.itemAt(i).state = "default";
 }
 
 function getRandomInt(min, max) {
     return Math.floor(Math.random() * (max - min + 1) + min);
 }
 
 var currentAnswerItem;
 
 function registerAnswerItem(item) {
     currentAnswerItem = item;
     item.forceActiveFocus();
 }
 
 function initSubLevel() {
     items.errorRectangle.resetState()
     cleanUp();
     itemIcons = Core.shuffle(itemIcons);
     items.okButton.enabled = false;
     var enumItems = new Array();
     var types = new Array();
     for(var type = 0; type < numberOfItemType; type++) {
         var nbItems = getRandomInt(1, numberOfItemMax);
         for(var j = 0; j < nbItems; j++) {
             enumItems.push(itemIcons[type]);
         }
         answerToFind[itemIcons[type]] = nbItems;
         types.push(itemIcons[type]);
     }
     items.answerColumn.model = types;
     items.itemListModel = enumItems;
     lockKeyboard = false;
     items.buttonsBlocked = false;
 }
 
 function nextSubLevel() {
     lockKeyboard = true;
     if( items.score.currentSubLevel >= maxSubLevel) {
         items.okButton.enabled = false;
         items.bonus.good("smiley");
     }
     else
         initSubLevel();
 }
 
 function enableOkButton() {
     for (var key in answerToFind) {
         if(typeof userAnswers[key] == 'undefined')
             return;
     }
     items.okButton.enabled = true;
 }
 
 function playAudio() {
     items.audioEffects.play("qrc:/gcompris/src/core/resource/sounds/win.wav");
 }
 
 function focusAnswerInput() {
     if(items && items.answerColumn) {
         registerAnswerItem(items.answerColumn.itemAt(items.answerColumn.currentIndex));
     }
 }