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$(document).ready(function() {
MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
var simplemde = new SimpleMDE({
element: document.getElementById("id_description"),
forceSync: true,
hideIcons: ["preview", "side-by-side", "fullscreen"]
});
simplemde.codemirror.on("change", function() {
MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
$("#description_body").html(simplemde.markdown(simplemde.value()));
});
const player = new Plyr('#player');
var timer = $("#vtimer");
var totalSeconds;
player.on('timeupdate', event => {
totalSeconds = parseInt(player.currentTime)
hours = Math.floor(totalSeconds / 3600);
totalSeconds %= 3600;
minutes = Math.floor(totalSeconds / 60);
seconds = totalSeconds % 60;
hours = hours < 10 ? "0" + hours : hours;
minutes = minutes < 10 ? "0" + minutes : minutes;
seconds = seconds < 10 ? "0" + seconds : seconds;
timer.val(hours + ":" + minutes + ":" + seconds);
});
$("#vtimer").on("change keyup paste", function() {
player.pause();
var time = $(this).val().split(":");
var hh = parseInt(time[0]);
var mm = parseInt(time[1]);
var ss = parseInt(time[2]);
player.currentTime = hh * 3600 + mm * 60 + ss;
});
$('#content-type').on('change', function (e) {
var optionSelected = $("option:selected", this);
var valueSelected = this.value;
if (valueSelected == "" || valueSelected == "1") {
$("#id_type").hide();
$("#id_type").attr("required", false);
} else {
if(valueSelected == "4") {
$('#id_type option[value="mcq"]').prop("selected", true);
$('#id_type').attr("disabled", true);
} else {
$('#id_type').attr("disabled", false);
}
$("#id_type").show();
$("#id_type").attr("required", true);
}
});
// Marker Form
$("#marker-form").submit(function(e) {
e.preventDefault();
lock_screen();
var csrf = document.getElementById("marker-form").elements[0].value;
ajax_call($(this).attr("action"), $(this).attr("method"), $(this).serialize(), csrf);
});
$('#id_video_file').on('change',function() {
//get the file name
var files = [];
for (var i = 0; i < $(this)[0].files.length; i++) {
files.push($(this)[0].files[i].name);
}
$(this).next('.custom-file-label').html(files.join(', '));
});
$('#id_Lesson_files').on('change',function() {
//get the file name
var files = [];
for (var i = 0; i < $(this)[0].files.length; i++) {
files.push($(this)[0].files[i].name);
}
$(this).next('.custom-file-label').html(files.join(', '));
});
});
function add_topic() {
if (!$("#id_timer").val()) {
$("#id_timer").val($("#vtimer").val());
}
document.getElementById("id_timer").focus();
$("#topic-form").submit(function(e) {
e.preventDefault();
lock_screen();
var csrf = document.getElementById("topic-form").elements[0].value;
ajax_call($(this).attr("action"), $(this).attr("method"), $(this).serialize(), csrf);
});
}
function add_question() {
if (!$("#id_timer").val()) {
$("#id_timer").val($("#vtimer").val());
}
document.getElementById("id_timer").focus();
$("#question-form").submit(function(e) {
e.preventDefault();
lock_screen();
var csrf = document.getElementById("question-form").elements[0].value;
ajax_call($(this).attr("action"), $(this).attr("method"), $(this).serialize(), csrf);
});
}
function lock_screen() {
document.getElementById("loader").style.display = "block";
}
function unlock_screen() {
document.getElementById("loader").style.display = "none";
}
function show_error(error) {
var err_msg = "\n";
Object.keys(err).forEach(function(key) {
var value = err[key];
err_msg = err_msg + key + " : " + value[0].message + "\n";
});
show_message(err_msg, "error");
}
function show_message(message, msg_type) {
toastr.options = {
"positionClass": "toast-top-center",
"timeOut": "1500",
"showDuration": "300",
}
switch(msg_type) {
case "info": {
toastr.info(message);
break;
}
case "error": {
toastr.error(message);
break;
}
case "warning": {
toastr.warning(message);
break;
}
case "success": {
toastr.success(message);
break;
}
default: {
toastr.info(message);
break;
}
}
}
function show_toc(toc) {
$("#lesson-content").empty();
$("#toc").html(toc);
}
function csrfSafeMethod(method) {
// these HTTP methods do not require CSRF protection
return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
function ajax_call(url, method, data, csrf) {
$.ajax({
url: url,
timeout: 15000,
method: method,
data: data,
beforeSend: function(xhr, settings) {
if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
xhr.setRequestHeader("X-CSRFToken", csrf);
}
},
success: function(msg) {
unlock_screen();
if (msg.status) $("#lesson-content").html(msg.data);
if (parseInt(msg.content_type) === 1) {
add_topic();
}
else {
add_question();
}
if (msg.toc) show_toc(msg.toc);
if (msg.message) {
if (msg.success) {
show_message(msg.message, "success");
}
else {
show_message(msg.message, "warning");
}
}
},
error: function(xhr, data) {
unlock_screen();
switch(xhr.status) {
case 400: {
err = JSON.parse(xhr.responseJSON.message);
show_error(err);
break;
}
case 500: {
show_message('500 status code! server error', "error");
break;
}
case 404: {
show_message('404 status code! server error', "error");
break;
}
default: {
show_message('Unable to perform action. Please try again', "error");
break;
}
}
}
});
}
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