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index.html
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<!doctype html>
<html lang="de" manifest="app.manifest">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<link rel="icon" href="images/logo.ico" type="image/x-icon">
<link rel="apple-touch-icon" href="images/logo.png" />
<link rel="apple-touch-icon-precomposed" href="images/logo.png" />
<title>THW Theorie</title>
<link rel="stylesheet" href="css/thw-1.3.1.min.css" />
<link rel="stylesheet" href="css/jquery.mobile.structure-1.3.1.min.css" />
<script src="js/jquery-1.9.1.min.js"></script>
<script src="js/jquery.color-2.1.1.min.js"></script>
<script>
$(document).bind( "mobileinit", function(){
$.mobile.page.prototype.options.theme = 'a';
$.mobile.buttonMarkup.hoverDelay = 50;
});
</script>
<script src="js/jquery.mobile-1.3.1.min.js"></script>
<script>
var runningOnPhonegap = false;
var onlineState = navigator.onLine;
$(function(){
function setOnlineState(online) {
onlineState = online;
$('#page-main a[href=#page-pdf]').toggleClass('ui-disabled', !onlineState);
}
window.addEventListener('online', function(){ setOnlineState(true); });
window.addEventListener('offline', function(){ setOnlineState(false); });
setOnlineState(onlineState);
});
try {
window.applicationCache.addEventListener('updateready', function(){
$('#popup-update').popup();
$('#popup-update').popup("open");
}, false);
}
catch(e){}
$(document).ajaxError(function(event, request, settings, error ) {
alert('Benötigte Datei "' + settings.url + '" konnte nicht geladen werden!\n' + error);
});
function THWTheorie() {
/*
* properties
*/
this.features = {
json : false,
localStorage : false,
applicationCache : false
};
this.questionSets = {
"2006" : {name: "2006", file:"questions_2006v1.json"},
"2013" : {name: "2013", file:"questions_2013v1.json"},
"2014" : {name: "Jan 2014 v2.0", file:"questions_2014v1.json"},
"2014v2" : {name: "Mrz 2014 v2.1", file:"questions_2014v2.json"},
"2014v3" : {name: "Dez 2014 v2.1", file:"questions_2014v3.json"},
"2019v3.2" : {name: "Apr 2019 v3.2", file:"questions_2019v3.2.json"}
}
this.defaultSettings = {
selectedQuestionSet: "2019v3.2",
randomizeQuestions : false
};
this.loadedFromStorage = [];
this.questions = null;
this.flashcard;
this.settings;
/*
* methods
*/
this.initStorage = function(name, fallback, doNotLoad) {
var obj = fallback;
// do testing
if(localStorage['THWTheorie_' + name] && (doNotLoad == null || !doNotLoad))
obj = JSON.parse(localStorage['THWTheorie_' + name]);
if(this.features.localStorage)
{
obj.save = function() {
localStorage['THWTheorie_' + name] = JSON.stringify(this);
};
this.loadedFromStorage.push('THWTheorie_' + name);
}
else
obj.save = function() {};
return obj;
};
this.resetStorage = function() {
for(var i = 0; i < this.loadedFromStorage.length; i++)
if(localStorage[this.loadedFromStorage[i]])
delete localStorage[this.loadedFromStorage[i]];
this.statistic = new THWTheorie_Statistic(this, true);
this.flashcard = new THWTheorie_Flashcard(this, true);
}
this.loadQuestionCatalog = function(upgrade) {
// load questions
var that = this;
$.ajax({
async: false,
url: this.questionSets[this.settings.selectedQuestionSet].file,
dataType: "json",
success: function(data) {
that.questions = data;
for(var qid in that.questions.questions)
if(!that.questions.category[that.questions.questions[qid].category].list)
that.questions.category[that.questions.questions[qid].category].list = [qid];
else
that.questions.category[that.questions.questions[qid].category].list.push(qid);
},
error: function() {
throw new Error('Fragenkatalog konnte nicht geladen werden!');
}
});
if(upgrade) {
this.statistic = new THWTheorie_Statistic(this, true);
this.flashcard = new THWTheorie_Flashcard(this, true);
}
}
/*
* constructor
*/
// determine features of browser
try { this.features.json = typeof JSON == "object" && JSON && typeof JSON.parse == "function" && typeof JSON.stringify == "function"; } catch (e) {}
try { this.features.localStorage = 'localStorage' in window && window['localStorage'] !== null; } catch (e) {}
try { this.features.applicationCache = 'applicationCache' in window && window['applicationCache'] !== null; } catch (e) {}
// JSON fallback
if(!this.features.json && this.features.localStorage)
$.ajax({
url: "js/json2.min.js",
async: false,
dataType: "script"
});
// load settings
this.settings = this.initStorage('settings', this.defaultSettings);
this.loadQuestionCatalog();
this.statistic = new THWTheorie_Statistic(this, false);
this.flashcard = new THWTheorie_Flashcard(this, false);
}
function THWTheorie_Statistic(owner, reset) {
/*
* properties
*/
this.owner = owner;
this.data = {
startTime : (new Date()).getTime(),
training : { total: 0, correct : 0 },
exam : { total: 0, correct : 0 }
};
/*
* methods
*/
this.setTrainingResult = function(correct) {
this.data.training.total++;
if(correct)
this.data.training.correct++;
this.data.save();
};
this.setExamResult = function(correct) {
this.data.exam.total++;
if(correct)
this.data.exam.correct++;
this.data.save();
};
this.getStatistic = function() {
return this.data;
}
/*
* constructor
*/
this.data = this.owner.initStorage('statistic', this.data, reset);
}
function THWTheorie_Flashcard(owner, reset) {
this.owner = owner;
/*
* properties
*/
// learn progress
this.progress = {
// entries in first box
box : [],
// entries in second box
other : [],
// confidence (how well the answer is known)
confidence : [] // questionIndex => confidenceValue
};
// settings for noting progress
this.settings = {
// size of first learn box, i.e. repeat interval for wrong
// answers
boxSize : 20,
// how to calculate learn leven of question, used as
// new_confidence = expireFactor * old_confidence
// + (1 - expireFactor) * (answeredCorrect ? 1 : 0);
expireFactor : 0.5
};
/*
* methods
*/
this.setBoxSize = function(newSize){
if(newSize < 10 || newSize > 50)
return "Größe für Box muss zwischen 10 und 50 liegen";
this.settings.boxSize = newSize;
this.settings.save();
this.setMultipleQuestionResult();
};
this.setExpireFactor = function(factor){
if(factor < 0.1 || factor > 0.7)
return "Größe für den Faktor muss zwischen 0.1 und 0.7 liegen";
this.settings.expireFactor = factor;
this.settings.save();
};
this.getFirstQuestion = function() {
return this.progress.box[0];
}
this.setFirstQuestionResult = function(correct) {
// we got the result for the first question in the box
var q = this.progress.box[0];
var o = {};
o[q] = correct;
this.setMultipleQuestionResult(o);
}
this.setMultipleQuestionResult = function(q2result) {
if(q2result == null)
q2result = {};
// update confidence
for(var q in q2result)
{
this.progress.confidence[q] =
this.settings.expireFactor * this.progress.confidence[q]
+ (1 - this.settings.expireFactor) * (q2result[q] ? 1 : 0);
this.owner.statistic.setTrainingResult(q2result[q]);
// every ten questions: reduce global confidence to 99%
if(this.owner.statistic.data.training.total % 10 == 0)
for(var i in this.progress.confidence)
this.progress.confidence[i] *= 0.99
}
var boxCorrect = [];
var boxIncorrect = [];
// get all questions of box that were answered
for(var q in q2result)
if(this.progress.box.indexOf(parseInt(q)) != -1)
{
if(q2result[q])
boxCorrect.push(parseInt(q));
else
boxIncorrect.push(parseInt(q));
this.progress.box.splice(this.progress.box.indexOf(parseInt(q)), 1);
}
// empty box even more if necessary (needed in case of size change of box)
while(this.progress.box.length > this.settings.boxSize)
boxIncorrect.push(this.progress.box.pop());
// fill box with incorrect
while(this.progress.box.length < this.settings.boxSize && boxIncorrect.length)
this.progress.box.push(boxIncorrect.shift());
// get all left => put in other
var leftOver = boxIncorrect.concat(boxCorrect);
while(leftOver.length)
this.progress.other.push(leftOver.shift());
// order
this.progress.other.sort(function(a,b){
return app.flashcard.progress.confidence[a] - app.flashcard.progress.confidence[b];
});
// fill rest of box
while(this.progress.box.length < this.settings.boxSize)
this.progress.box.push(this.progress.other.shift());
this.progress.save();
}
/*
* constructor
*/
this.settings = this.owner.initStorage('flashcard_settings', this.settings);
this.progress = this.owner.initStorage('flashcard_progress', this.progress, reset);
if(!this.progress.box.length)
{
var q = [];
var qs = this.owner.questions.questions;
// fill q in random order
for(var i = 0; i < qs.length; i++)
q.splice(Math.floor(Math.random() * (q.length+1)), 0, i);
// fill box and other & set no initial confidence
for(var i = 0; i < this.settings.boxSize; i++)
this.progress.box.push(q.shift());
while(q.length)
this.progress.other.push(q.shift());
for(var i = 0; i < qs.length; i++)
this.progress.confidence.push(0);
this.progress.save();
}
}
function THWTheorie_PDF(config) {
this.layout = {
border : {top : 20, bottom : 20 },
font : {fontSize: 12, fontStyle: 'normal', fontName: 'times'},
fontHeight : false,
lineSepFactor : 0.15,
paragraphSepFactor : 0.5,
textOffsetFactor : .775,
pagesPos : { x: 185, y: 284, text: "[[PAGE]] / [[PAGES]]", font : {} },
header : {
height : 8,
lines : [
{ x1 : 20, y1 : 0.5, x2: 195, y2 : 0.5, thickness: 8, color: [230,230,230] },
{ x1 : 20, y1 : 0, x2: 195, y2 : 0, thickness: 0.4 },
{ x1 : 20, y1 : 1, x2: 195, y2 : 1, thickness: 0.4 },
{ x1 : 20, y1 : 0, x2: 20, y2 : 1, thickness: 0.4 },
{ x1 : 195, y1 : 0, x2: 195, y2 : 1, thickness: 0.4 },
{ x1 : 35, y1 : 0, x2: 35, y2 : 1, thickness: 0.1 },
{ x1 : 105, y1 : 0, x2: 105, y2 : 1, thickness: 0.1 }
],
text : [
{ x: 22.5, y : 0, text : 'Nr.', font: {fontStyle: 'bold'} },
{ x: 37.5, y : 0, text : 'Frage', font: {fontStyle: 'bold'} },
{ x: 107.5, y : 0, text : 'Antwortmöglichkeit(en) / Lösung', font: {fontStyle: 'bold'} }
]
},
columns : {
nr : { x : 22.5 },
question : { x : 37.5, width: 65 },
answers : { x : 107.5, width: 65 },
abc : { x : 178.5 },
solution : { x : 188.5, font: {fontStyle: 'bold'} }
},
lines : {
box : [
{ x1 : 20, y1 : 1, x2: 195, y2 : 1, thickness: 0.4 },
{ x1 : 20, y1 : 0, x2: 20, y2 : 1, thickness: 0.4 },
{ x1 : 35, y1 : 0, x2: 35, y2 : 1, thickness: 0.1 },
{ x1 : 105, y1 : 0, x2: 105, y2 : 1, thickness: 0.1 },
{ x1 : 175, y1 : 0, x2: 175, y2 : 1, thickness: 0.1 },
{ x1 : 185, y1 : 0, x2: 185, y2 : 1, thickness: 0.1 },
{ x1 : 195, y1 : 0, x2: 195, y2 : 1, thickness: 0.4 }
],
answers : [
{ x1 : 105, y1 : 0, x2: 195, y2 : 0, thickness: 0.1 }
]
}
};
this.getRandomSelection = function(number, categories) {
if(!categories) {
categories = [];
for(var c in app.questions.category)
categories.push(c);
}
var q4cat = [];
var questions = [];
// check if we got enough questions
for(var c in categories)
if(app.questions.category[categories[c]].list)
q4cat.push({
c: categories[c],
n: app.questions.category[categories[c]].list.length
});
var sum = q4cat.reduce(function(p, c) { return p + c.n; }, 0);
if(sum < number) {
number = sum;
for(var i in q4cat)
questions = questions.concat(app.questions.category[q4cat[i].c].list);
}
else {
// adjust question number of each cat
for(var i in q4cat)
q4cat[i].n *= number / sum;
while(questions.length < number) {
q4cat.sort(function(a,b){ return b.n - a.n; });
var q;
do
{
var num = app.questions.category[q4cat[0].c].list.length;
var pick = Math.floor( Math.random() * ( num + 1 ) );
q = app.questions.category[q4cat[0].c].list[pick];
}
while(isNaN(q) || questions.indexOf(q) != -1);
questions.push(q);
q4cat[0].n -= 1;
}
}
return this.shuffle(questions);
}
this.lastFont = {fontSize: 0, fontStyle: false, fontName: false};
this.setFont = function(font) {
var f = $.extend({}, this.layout.font, font);
if(f.fontName != this.lastFont.fontName)
this.pdf.setFont(f.fontName);
if(f.fontStyle != this.lastFont.fontStyle)
this.pdf.setFontType(f.fontStyle);
if(f.fontSize != this.lastFont.fontSize)
this.pdf.setFontSize(f.fontSize);
for(var i in f)
this.lastFont[i] = f[i];
}
this.text = function(x,y,text,font) {
this.setFont(font);
return this.pdf.text(x,y,text);
}
this._layoutQuestion = function(qid, solution) {
var q = app.questions.questions[qid];
var tq = this.pdf.splitTextToSize(q.question, this.layout.columns.question.width);
var ta = [];
for(var i in q.answers)
if(q.pdfAnswers)
ta.push(this.pdf.splitTextToSize(q.pdfAnswers[i], this.layout.columns.answers.width));
else
ta.push(this.pdf.splitTextToSize(q.answers[i], this.layout.columns.answers.width));
var hL = this.layout.fontHeight;
var sL = this.layout.fontHeight * this.layout.lineSepFactor;
var sP = this.layout.fontHeight * this.layout.paragraphSepFactor;
var taLNum = ta.reduce(function(p, c) { return p + c.length; }, 0);
var heightQuestion = tq.length * (hL + sL) - sL; // e.g. 3 lines, 2 line separations
var heightAnswers = taLNum * (hL + sL) - sL + (ta.length - 1) * (sP - sL);
var height = sP + (heightQuestion > heightAnswers ? heightQuestion : heightAnswers);
var lines = [];
for(var i in this.layout.lines.box)
lines.push($.extend({},this.layout.lines.box[i],{
y1 : this.layout.lines.box[i].y1 * height,
y2 : this.layout.lines.box[i].y2 * height
}));
var textOffset = hL * this.layout.textOffsetFactor;
// calc in font height units
var text = [
$.extend({
y : textOffset + (height - hL) / 2,
text: q.category + '.' + q.number
}, this.layout.columns.nr),
$.extend({
y : textOffset + (height - tq.length * (hL+sL) + sL) / 2,
text : tq
}, this.layout.columns.question)
];
var y = sP / 2;
var s = sP;
if(heightAnswers < heightQuestion) {
s += (heightQuestion - heightAnswers) / ta.length;
y = s / 2;
}
var n = 0;
var abc = ['A','B','C'];
for(var i in q.answers) {
text.push($.extend({
y : textOffset + y,
text : ta[n]
}, this.layout.columns.answers));
text.push($.extend({
y : textOffset + y + ((ta[n].length - 1) * (hL + sL) + sL) / 2,
text : abc[n],
}, this.layout.columns.abc));
if($.inArray(parseInt(i), q.correct) != -1 && solution)
text.push($.extend({
y : textOffset + y + ((ta[n].length - 1) * (hL + sL) + sL) / 2,
text : 'X'
}, this.layout.columns.solution));
for(var j in this.layout.lines.answers)
lines.push($.extend({}, this.layout.lines.answers[j],{
y1 : y + (ta[n].length * (hL + sL) - sL) + s / 2,
y2 : y + (ta[n].length * (hL + sL) - sL) + s / 2
}));
y += (ta[n].length * (hL + sL) - sL) + s;
n++;
}
lines.pop();
return { height: height, text: text, lines: lines };
}
this.printQuestionSheet = function(qList, answers) {
this.pdf = new jsPDF('p', 'mm', 'a4');
this.lastFont = {fontSize: 0, fontStyle: false, fontName: false};
var page = 0;
var yStart;
for(var i in qList) {
this.setFont({});
var l = this._layoutQuestion(qList[i], answers);
if(yStart + l.height > 297 - this.layout.border.bottom || page == 0) {
if(page++)
this.pdf.addPage();
if(this.layout.pagesPos)
this.text(
this.layout.pagesPos.x,
this.layout.pagesPos.y,
this.layout.pagesPos.text.replace(/\[\[PAGE\]\]/g, page),
typeof(this.layout.pagesPos.font) !== 'undefined' ? this.layout.pagesPos.font : {}
);
yStart = this.layout.border.top;
for(var i in this.layout.header.lines) {
if(typeof(this.layout.header.lines[i].color) === 'undefined')
this.pdf.setDrawColor(0,0,0);
else
this.pdf.setDrawColor(
this.layout.header.lines[i].color[0], this.layout.header.lines[i].color[0], this.layout.header.lines[i].color[2]
);
this.pdf.setLineWidth(this.layout.header.lines[i].thickness);
this.pdf.line(
this.layout.header.lines[i].x1, this.layout.header.lines[i].y1 * this.layout.header.height + yStart,
this.layout.header.lines[i].x2, this.layout.header.lines[i].y2 * this.layout.header.height + yStart
);
}
for(var t in this.layout.header.text)
this.text(
this.layout.header.text[t].x,
this.layout.header.text[t].y + yStart + (this.layout.paragraphSepFactor + this.layout.textOffsetFactor) * this.layout.fontHeight,
this.layout.header.text[t].text,
typeof(this.layout.header.text[t].font) !== 'undefined' ? this.layout.header.text[t].font : {}
);
yStart += this.layout.header.height;
}
for(var t in l.text) {
this.text(
l.text[t].x,
l.text[t].y + yStart,
l.text[t].text,
typeof(l.text[t].font) !== 'undefined' ? l.text[t].font : {}
);
}
for(var i in l.lines) {
this.pdf.setLineWidth(l.lines[i].thickness);
this.pdf.line(
l.lines[i].x1, l.lines[i].y1 + yStart,
l.lines[i].x2, l.lines[i].y2 + yStart
);
}
yStart += l.height;
}
if(this.layout.pagesPos)
this.pdf.putTotalPages('\\[\\[PAGES\\]\\]');
return this.pdf;
}
this.shuffle = function(o){
//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com/array/shuffle [v1.0]
for(var j, x, i = o.length; i; j = Math.floor(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
return o;
};
this.layout = $.extend(config, this.layout);
this.layout.fontHeight = this.layout.font.fontSize / (72 / 25.4);
}
function THWTheorie_UIHelper(app) {
this.app = app;
this.queue = {
queue : [],
add : function(callback) {
this.queue.push(callback);
},
run : function(exec) {
if(exec)
this.queue.shift()();
if(this.queue.length)
setTimeout(function(){ui.queue.run(true);}, 10);
}
};
this.displayQuestion = function(type, context, qid, option) {
var q = this.app.questions.questions[qid];
html = '<h4 class="text">';
if(option.prefixTitle)
html += option.prefixTitle;
html += q.question;
if(option.setPostfix)
html += '<span class="onreveal"> (Frage ' + q.category + '.' + q.number + ')</span>';
html += '</h4>';
html += '<div data-role="fieldcontain">';
html += '<fieldset class="answers" data-qid="' + qid + '" data-role="controlgroup">';
var answerOrder = [];
for(var no in q.answers)
if(!app.settings.randomizeQuestions || option.skipRandomize)
answerOrder.push(parseInt(no));
else
answerOrder.splice(Math.floor(Math.random() * (answerOrder.length+1)), 0, parseInt(no));
for(var i = 0; i < answerOrder.length; i++)
{
var no = answerOrder[i];
var correct = q.correct.indexOf(no) != -1;
var id = type + '_' + q.category + '_' + q.number + '_' + no;
html += '<input type="checkbox" id="' + id + '" ';
html += 'class="custom ' + (correct ? 'correct' : 'incorrect') + '" ';
if(option.setChecked && correct)
html += 'checked="checked" ';
html += '/>';
html += '<label for="' + id + '" class="' + (correct ? 'correct' : 'incorrect');
html += '">'+q.answers[no]+'</label>';
}
html += '</fieldset>';
html += '</div>';
if(!context)
return html;
context.removeClass('reveal').addClass('ask');
if(option.setTitle)
$('.title', context).text('Frage ' + q.category + '.' + q.number);
$('.question', context).html(html).trigger('create');
}
this.learn = {
page : '#page-ask',
start : function() {
page = '#' + $.mobile.activePage.attr('id');
$(window).off('keydown').on('keydown', ui.learn.keyboard);
ui.learn.show();
},
show : function() {
var q = app.flashcard.getFirstQuestion();
ui.displayQuestion('ask', $(page), q, {
setTitle:true
});
},
check : function() {
$('#page-ask').removeClass('ask').addClass('reveal');
var correct = 1;
$('#page-ask .answers input').each(function(){
correct &= $(this).is(':checked') == $(this).hasClass('correct');
});
$('#page-ask .question, #q-continue')
.removeClass('correct incorrect')
.addClass(correct ? 'correct' : 'incorrect');
$('#q-continue .ui-btn-text').text(correct
? "Richtig! - Weiter zur nächsten Frage..."
: "Falsch! - Weiter zur nächsten Frage..."
);
app.flashcard.setFirstQuestionResult(correct);
},
reveal : function() {
$('#page-show').removeClass('ask').addClass('reveal');
},
markResult : function(event) {
var e = $(event.target).prop("tagName").toLowerCase() == 'a' ? $(event.target) : $(event.target).parents('a');
var id = e.attr('id');
var correct = id == 'q-known';
app.flashcard.setFirstQuestionResult(correct);
ui.learn.show();
return false;
},
keyboard : function(event) {
if($.inArray(event.which, [49,50,51,65,66,67]) != -1)
{
var k = event.which % 16 - 1;
if($(page + ' .answers input').length > k)
$(page + ' .answers input').eq(k).prop("checked",
!$(page + ' .answers input').eq(k).is(':checked')
).checkboxradio("refresh");
}
else if($.inArray(event.which, [32,13,39]) != -1 && page == '#page-ask')
$($(page).hasClass('reveal') ? '#q-continue' : '#q-check').trigger('click');
else if($.inArray(event.which, [32,13,39]) != -1 && page == '#page-show' && $(page).hasClass('ask'))
$('#q-reveal').trigger('click');
else if(event.which == 37 && page == '#page-show' && $(page).hasClass('reveal')) // left arrow
$('#q-not-known').trigger('click');
else if(event.which == 39 && page == '#page-show' && $(page).hasClass('reveal')) // right arrow
$('#q-known').trigger('click');
}
};
this.questions = {
active : null,
printQuestionList : function(event,prev) {
ui.questions.active = null;
$(window).off('keydown').on('keydown', ui.questions.keyboard);
$('#page-questions').toggleClass('setFocus',
prev.prevPage.attr('id') == 'page-main'
);
var cat = '';
for(var cid in app.questions.category)
{
var c = app.questions.category[cid];
cat += '<li data-role="list-divider">' + cid + '. ' + c.name;
cat += ' <span class="ui-li-count">' +c.list.length + '</span>';
cat += '</li>';
for(var qid in c.list)
{
var q = app.questions.questions[c.list[qid]];
cat += '<li data-filtertext="';
cat += q.category + '.' + q.number + ' ';
cat += q.question;
for(var i in q.answers)
cat += ' ' + q.answers[i];
cat += '"><a href="#popup-answer" data-rel="popup" data-q="' + c.list[qid] + '">';
cat += '<b>' + q.category + '.' + q.number + '</b> ';
cat += q.question + '</a></li>';
}
}
$('#page-questions ul').html(cat);
$('#page-questions ul').listview().listview('refresh');
$('#page-questions li a').on('click', function(){
ui.displayQuestion(
'answer',
$('#popup-answer'),
$(this).attr('data-q'),
{setTitle:true,setChecked:true,skipRandomize:true}
);
return true;
});
},
afterDisplay : function() {
if($('#page-questions').hasClass('setFocus'))
$('#page-questions .ui-input-search input').focus();
},
getLastOrFirst : function(getTop) {
var lastTop = $('#page-questions li[data-filtertext]:visible').last().position().top <
$('#page-questions li[data-filtertext]:visible').first().position().top;
if(lastTop == getTop)
return $('#page-questions li[data-filtertext]:visible').last();
return $('#page-questions li[data-filtertext]:visible').first();
} ,
findTopDisplayedQuestion : function() {
var e = ui.questions.getLastOrFirst(false);
$('#page-questions li[data-filtertext]:visible').each(function() {
if(
$(this).position().top > $(window).scrollTop() &&
(e.position().top > $(this).position().top)
)
e = $(this);
});
return e;
},
keyboard : function(event) {
if(ui.questions.active && ui.questions.active.length)
ui.questions.active.trigger('mouseout');
if($.inArray(event.which, [33,34,38,40,39,37]) != -1 && (!ui.questions.active || !ui.questions.active.length))
ui.questions.active = ui.questions.findTopDisplayedQuestion();
else if($.inArray(event.which, [33,34,38,40]) != -1)
{
var i = (event.which > 35 ? 1 : 10) * (event.which % 5 == 3 ? -1 : 1);
if(!$('#page-questions li[data-filtertext]:visible').length)
i = 0;
var e = ui.questions.active, e2;
while(i != 0)
{
e2 = i > 0 ? e.next('li') : e.prev('li');
if(!e2 || !e2.length)
e2 = ui.questions.getLastOrFirst(i > 0);
if(e2.attr('data-filtertext') && e2.is(':visible'))
i += i > 0 ? -1 : 1;
e = e2;
}
if(e && e.length)
ui.questions.active = e;
}
else if(event.which == 39) // right arrow
$('a[data-q]', ui.questions.active).trigger('click');
else if(event.which == 37)
$('#popup-answer').popup('close');
if($.inArray(event.which, [33,34,38,40]) != -1 && ui.questions.active && ui.questions.active.length)
{
$.mobile.silentScroll(ui.questions.active.position().top);
ui.questions.active.trigger('mouseover');
}
}
};
this.exam = {
active : null,
getQuestionSelection : function() {
// 40 Fragen sollen es sein
var q4cat = [];
var qnum = 40;
for(var c in app.questions.category)
q4cat.push({
v: qnum * app.questions.category[c].list.length / app.questions.questions.length,
c: c
});
var selection = [];
while(selection.length < qnum)
{
q4cat.sort(function(a,b){ return b.v - a.v; });
// get q out of cat
var q;
do
{
var num = app.questions.category[q4cat[0].c].list.length;
var pick = Math.floor( Math.random() * ( num + 1 ) );
q = app.questions.category[q4cat[0].c].list[pick];
}
while(isNaN(q) || selection.indexOf(q) != -1);
selection.push(q);
q4cat[0].v -= 1;
}
return selection;
},
create : function(e,data) {
ui.exam.active = null;
if($(data.prevPage).attr('id') == 'diag-exam-result')
return;
$('#page-exam').removeClass('reveal');
var html = '<div class="onreveal"><form><div class="ui-grid-b">';
html += '<div class="ui-block-a" style="padding-top:11px">';
html += 'Zeige Antworten:';
html += '</div>';
html += '<div class="ui-block-b">';
html += '<input data-mini="true" type="checkbox" id="exam-show-correct" />';
html += '<label for="exam-show-correct" class="correct">richtig</label>';
html += '</div>';
html += '<div class="ui-block-c">';
html += '<input data-mini="true" type="checkbox" id="exam-show-incorrect" checked="checked" />';
html += '<label for="exam-show-incorrect" class="incorrect">falsch</label>';
html += '</div></div></form><hr /></div>';
html += '<a id="q-exam-check" href="#popup-exam-result" data-rel="popup" data-position-to="window" data-role="button">prüfen</a>';
$('#page-exam .content').html(html).trigger('create');
$('#q-exam-check').on('click', ui.exam.showResult);
var questions = ui.exam.getQuestionSelection();
for(var i in questions)
{
$('#q-exam-check').before(
'<div id="exam_q_' + i + '" class="question">'
+ ui.displayQuestion('exam', false, questions[i], {
prefixTitle : (parseInt(i)+1) + '/' + questions.length + ': ',
setPostfix : true
}) + '<hr /></div>'
);
(function(i){
ui.queue.add(function(){ $('#exam_q_' + i).trigger('create'); });
}(i));
}
$('#exam-show-incorrect,#exam-show-correct').on('click', ui.exam.updateQuestionList);
$(window).off('keydown').on('keydown', ui.exam.keyboard);
ui.queue.run();
},
keyboard : function(event) {
if($.inArray(event.which, [37,38,39,40,49,50,51,65,66,67]) != -1 && (!ui.exam.active || !ui.exam.active.length))
{
ui.exam.active = $('#page-exam .question').first();
$.mobile.silentScroll(ui.exam.active.position().top);
ui.exam.active.css({backgroundColor:$.Color(255,255,0,192)}).animate({backgroundColor:'transparent'}, 1500);
return;
}
if($.inArray(event.which, [49,50,51,65,66,67]) != -1)
{
var k = event.which % 16 - 1;
if($('.answers input', ui.exam.active).length > k)
$('.answers input', ui.exam.active).eq(k).prop("checked",
!$('.answers input', ui.exam.active).eq(k).is(':checked')
).checkboxradio("refresh");
}
else if($.inArray(event.which, [37,38,39,40]) != -1)
{
var e = event.which >= 39 ? ui.exam.active.next('.question') : ui.exam.active.prev('.question');
if(e.length)
ui.exam.active = e;
ui.exam.active.css({backgroundColor:$.Color(255,255,0,192)}).animate({backgroundColor:'transparent'}, 1500);
$.mobile.silentScroll(ui.exam.active.position().top);
}
else if(event.which == 32 && $('#q-exam-check').is(':visible'))
$('#q-exam-check').trigger('click');
},
check : function() {
$('#page-exam').addClass('reveal');
$('#q-exam-check').hide();
var result = {};
var correct = 0;
$('#page-exam .question').each(function() {
var q_correct = 1;
$(this).find('input').each(function() {
q_correct &= $(this).is(':checked') == $(this).hasClass('correct');
});
$(this).addClass(q_correct ? 'correct' : 'incorrect');
$(this).find('.text').addClass(q_correct ? 'correct' : 'incorrect');
result[$(this).find('.answers').attr('data-qid')] = q_correct;
});
app.flashcard.setMultipleQuestionResult(result);
return {
correct : $('#page-exam .question.correct').length,
insg : $('#page-exam .question').length
};
},
updateQuestionList : function() {
$('#page-exam .question.correct').toggle(
$('#exam-show-correct').is(':checked')
);
$('#page-exam .question.incorrect').toggle(
$('#exam-show-incorrect').is(':checked')
);
},
showResult : function() {
var result = ui.exam.check();
ui.exam.updateQuestionList();
var res = '<p>Du hast ' + result.correct + ' von ' + result.insg + ' Fragen richtig beantwortet.</p>';
if(result.correct >= 32)
res += '<p class="correct">Damit hast du die Prüfung bestanden! Glückwunsch!</p>';
else
res += '<p class="incorrect">Damit hast du die Prüfung leider nicht bestanden!</p>';
res += '<a href="#" id="exam-popup-close" data-rel="back" data-role="button">OK</a>';
app.statistic.setExamResult(result.correct >= 32);
$('#popup-exam-result .content').html(res).trigger('create');
return true;
}
};
this.statistic = {
show : function() {
var s = app.statistic.getStatistic();
var result = {"exam" : s.exam, "training" : s.training};
for(var i in result)
{
var res = result[i];
var p = $('#popup-statistic .' + i);
var rate = Math.round(100 * res.correct / res.total);
rate = isNaN(rate) ? '' : rate.toString(10);
$('.total', p).text(res.total);
$('.result-correct', p).text(res.correct);
$('.result-incorrect', p).text(res.total - res.correct);
$('.rate', p).text(rate + ' %');
$('.bar .correct', p).css('width', rate + '%');
}
ui.statistic.showConfidence();
},
showConfidence : function () {
var c = app.flashcard.progress.confidence.slice();
c.sort(function(a,b){return b-a;});
// empiric derived compensation for aging
for(var i = 0; i < c.length; i++)
c[i] /= 0.83 * Math.pow(0.99, i/10);
var w = c.length;
var h = 100;
var oldConf = -1;
var sumConf = 0;
var dx = 20;
var dy = 10;
var ex = 10;
var ey = 20;
var d1 = 2;
var d2 = 2;
var e = 10;
var steps = [dx + ',' + (dy+h)];
for(var i = 0; i < c.length; sumConf+= c[i++])