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$(document).ready(function(){
function getCookie(name) {
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
var csrftoken = getCookie("csrftoken");
function csrfSafeMethod(method) {
// These HTTP methods do not require CSRF protection
return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
$.ajaxSetup({
beforeSend: function(xhr, settings) {
if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
xhr.setRequestHeader("X-CSRFToken", csrftoken);
}
}
});
$("#preview").click(function(){
var description = $("#id_description").val();
var preview_url = window.location.protocol + "//" +
window.location.host + "/exam/manage/courses/lesson/preview/";
$.ajax({
url: preview_url,
timeout: 15000,
type: 'POST',
data: JSON.stringify({'description': description}),
dataType: 'json',
contentType: 'application/json; charset=utf-8',
success: function(msg) {
preview_text(msg['data']);
},
error: function(jqXHR, textStatus) {
}
});
});
function preview_text(data){
var preview_div = $("#preview_text_div");
if (!preview_div.is(":visible")){
$("#preview_text_div").toggle();
}
$("#description_body").empty();
$("#description_body").append(data);
}
});
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