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/*
reviewdesu.js
this scripts proceeds to doing a review of the things you should know
*/
// UTILITY (copied from about.com)
// thank you the internets
Array.prototype.shuffle = function() {
var s = [];
while (this.length) s.push(this.splice(Math.random() * this.length, 1)[0]);
while (s.length) this.push(s.pop());
return this;
}
var questions = [];
var results = [];
var question = [];
var score = 0;
var total = 0;
var question_nb = 0;
function start_review() {
prepare_questions();
next_question();
}
function prepare_questions() {
for (var j = 0; j < batch_data.questions.length; j++) {
var tq = [];
var q = batch_data.questions[j];
for (var i = 0; i < batch_data.items.length; i++) {
if (q.col) {
var answer = '';
for (var k = 0; k < batch_data.items[i].length; k++) {
answer += '<p class="review_item_prop"><strong>' + batch_data.columns[k] + '</strong>' + batch_data.items[i][k] + "</p>";
}
tq.push({
"question": '<p class="review_item_q">' + batch_data.items[i][q.col] + '</p>',
"answer": answer,
"key": batch_data.items[i][0],
});
} else {
var qu = q.q;
var an = q.a;
for (var k = 0; k < batch_data.items[i].length; k++) {
qu = qu.replace('%' + k, batch_data.items[i][k]);
an = an.replace('%' + k, batch_data.items[i][k]);
}
tq.push({
"question": qu,
"answer": an,
"key": batch_data.items[i][0],
});
}
}
tq.shuffle();
// first question asked is the last in array questions, so just put them in reverse order.
questions = tq.concat(questions);
}
total = questions.length;
}
function next_question() {
if (questions.length == 0) {
score = Math.ceil(score * 100 / total);
$("core").innerHTML = '<p>Finished. Score : ' + score + '/100. Saving data...</p>';
new Ajax.Request('index.php?p=brresults-study-' + batchid, {
method: 'post',
parameters: {
score: score,
results: Object.toJSON(results),
},
onSuccess: function(transport) {
$("core").innerHTML = '<p>Finished. Score : ' + score + '/100. ' + transport.responseText + '. <a href="batch-study-' + batchid + '">back to batch</a></p>';
},
});
} else {
question = questions[questions.length - 1];
questions.pop();
question_nb++;
html = '<h3>Question ' + question_nb + ' of ' + total + '</h3>';
html += '<div class="review_item">';
html += '<div>' + question.question + '</div>';
html += '<p><button id="flipbtn" onclick="show_answer();">answer</button></p>';
html += '</div>';
$("core").innerHTML = html;
$("flipbtn").focus();
}
}
function show_answer() {
html = '<h3>Question ' + question_nb + ' of ' + total + '</h3>';
html += '<div class="review_item">';
html += '<div>' + question.answer + '</div>';
html += '<p><button taborder="1" onclick="answer_question(-1);">fail</button>';
html += '<button taborder="2" id="dunnobtn" onclick="answer_question(0);">dunno</button>';
html += '<button taborder="3" id="winbtn" onclick="answer_question(1);">win</button></p>';
html += '</div>';
$("core").innerHTML = html;
$("dunnobtn").focus();
}
function answer_question(a) {
results.push([question.key, a]);
score += a;
next_question();
}
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