jQuery( function($) {
	/**
	 * @memberOf $.fn
	 */
	$.fn.wpProQuiz_preview = function() {
		var methods = {
				openPreview: function(obj) {
					window.open($(obj).attr('href'), 'wpProQuizPreview', 'width=900,height=900');
				}
		};

		var init = function() {
			$('.wpProQuiz_prview').on( 'click', function(e) {
				methods.openPreview(this);
				e.preventDefault();
			});
		};

		init();
	};

	$.fn.wpProQuiz_quizOverall = function() {

		var methods = {
			changeExport: function(input) {
				$input = $(input);
				$export = $('.wpProQuiz_exportList');
				$ul = $export.find('ul').first();
				$export.find('li').remove();

				$('input[name="exportItems"]').each(function() {
					$this = $(this);

					if(this.checked) {
						var text = $this.parent().parent().find('.wpProQuiz_quizName a:eq(0)').text();
						$('<li>' + text + '</li>').appendTo($ul);
					}
				});
			},

			startExport: function() {
				$ele = $('input[name="exportItems"]:checked');

				if($ele.length < 1) {
					alert(wpProQuizLocalize.no_selected_quiz);
					return false;
				}

				$hidden = $('#exportHidden');

				$hidden.html('');

				$('input[name="exportItems"]').each(function() {
					$this = $(this);

					if(this.checked) {
						$('<input type="hidden" value="'+ this.value +'" name="exportIds[]">').appendTo($hidden);
					}
				});

				return true;
			}
		};

		var init = function() {
			$('.wpProQuiz_delete').on( 'click', function(e) {
				var b = confirm(wpProQuizLocalize.delete_msg);

				if(!b) {
					e.preventDefault();
					return false;
				}

				return true;
			});

			$('.wpProQuiz_import').on( 'click', function(e) {
				e.preventDefault();
				$('.wpProQuiz_importList').toggle('fast');

				$('.wpProQuiz_exportList').hide();
				$('.wpProQuiz_exportCheck').hide();

			});

			$('.wpProQuiz_export').on( 'click', function(e) {
				e.preventDefault();

				$('.wpProQuiz_exportList').toggle('fast');
				$('.wpProQuiz_exportCheck').toggle('fast');
				$('.wpProQuiz_importList').hide();
			});

			$('input[name="exportItems"]').on( 'change', function() {
				methods.changeExport(this);
			});

			$('input[name="exportItemsAll"]').on( 'change', function() {
				var $input = $('input[name="exportItems"]');
				if(this.checked)
					$input.attr('checked', true);
				else
					$input.attr('checked', false);

				$input.change();
			});

			$('#exportStart').on( 'click', function(e) {

				if(!methods.startExport())
					e.preventDefault();
			});
		};

		init();
	};


	$.fn.wpProQuiz_questionOverall = function() {

		var methode = {
			saveSort: function() {
				var nonce = jQuery('#wpProQuiz_nonce').data('nonce');
				var data = {
					action: 'wp_pro_quiz_update_sort',
					nonce: nonce,
					sort: methode.parseSortArray()
				};

				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=save_sort';

				$.post(url, data, function(response) {
					$('#sortMsg').show(400).delay(1000).hide(400);
				});
			},

			parseSortArray: function() {
				var array = new Array();

				$('tbody tr').each(function() {
					array.push(this.id.replace('wpProQuiz_questionId_', ''));
				});

				return array;
			},

			sortUpdate: function(e, ui) {
				$('.wpProQuiz_questionOverall tbody').children().each(function() {
					$t = $(this).children().first().text($(this).index() + 1);
				});
			},

			loadQuestionCopy: function() {
				var list = $('#questionCopySelect');
				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=load_question';
				var nonce = jQuery('#wpProQuiz_nonce').data('nonce');
				var data = {
					action: 'wp_pro_quiz_load_question',
					nonce: nonce,
					excludeId: 1
				};

				list.hide();
				list.empty();

				$('#loadDataImg').show();

				$.post(
					url,
					data,
					function(json) {
						$.each(json, function(i, v) {

							var group = $(document.createElement('optgroup'));

							group.attr('label', v.name);

							$.each(v.question, function(qi, qv) {
								$(document.createElement('option'))
									.val(qv.id)
									.text(qv.name)
									.appendTo(group);


							});

							list.append(group);

						});

						$('#loadDataImg').hide();
						list.show();
					},
					'json'
				);
			}
		};

		var init = function() {
			$('.wp-list-table tbody').sortable({ handle: '.wpProQuiz_move', update: methode.sortUpdate });

			$('.wpProQuiz_delete').on( 'click', function(e) {
				var b = confirm(wpProQuizLocalize.delete_msg);

				if(!b) {
					e.preventDefault();
					return false;
				}

				return true;
			});

			$('#wpProQuiz_saveSort').on( 'click', function(e) {
				e.preventDefault();
				methode.saveSort();
			});

			$('#wpProQuiz_questionCopy').on( 'click', function(e) {
				var $this = $('.wpProQuiz_questionCopy');

				if($this.is(':visible')) {
					$this.hide();
				} else {
					$this.show();
					methode.loadQuestionCopy();
				}

				e.preventDefault();
			});
		};

		init();
	};

	$.fn.wpProQuiz_quizEdit = function() {

		var methode = {
			addResult: function() {
				$('#resultList').children().each(function() {
					if($(this).css('display') == 'none') {
						//TODO rework
						var $this 	= $(this);
						var $text 	= $this.find('textarea[name="resultTextGrade[text][]"]');
						var id 		= $text.attr('id');
						var hidden  = true;

						$this.find('input[name="resultTextGrade[prozent][]"]').val('1');
						$this.find('input[name="resultTextGrade[activ][]"]').val('1').keyup();

						if(typeof tinymce != "undefined" && tinymce.editors[id] != undefined && !tinymce.editors[id].isHidden()) {
							hidden = false;
						}

						if(switchEditors != undefined  && !hidden) {
							switchEditors.go(id, 'toggle');
							switchEditors.go(id, 'toggle');
						}

						if(typeof tinymce != "undefined" && tinymce.editors[id] != undefined) {
							tinymce.editors[id].setContent('');
						} else {
							$text.val('');
						}

						if(typeof tinymce != "undefined" && tinymce.editors[id] != undefined && !hidden) {
							tinyMCE.execCommand('mceRemoveControl', false, id);
						}

						$this.parent().children(':visible').last().after($this);

						if(typeof tinymce != "undefined" && tinymce.editors[id] != undefined && !hidden) {
							tinyMCE.execCommand('mceAddControl', false, id);
						}

						$(this).show();

						if(switchEditors != undefined && !hidden) {
							switchEditors.go(id, 'toggle');
						}


						return false;
					}
				});
			},

			deleteResult: function(e) {
				$(e).parent().parent().hide();
				$(e).siblings('input[name="resultTextGrade[activ][]"]').val('0');
			},

			changeResult: function(e) {
				var $this = $(e);

				if(methode.validResultInput($this.val())) {
					$this.siblings('.resultProzent').text($this.val());
					$this.removeAttr('style');
					return true;
				}

				$this.css('background-color', '#FF9696');

				return false;
			},

			validResultInput: function(input) {

				if(isEmpty(input))
					return false;

				input = input.replace(/\,/, '.');

				if(!isNaN(input) && Number(input) <= 100 && Number(input) >= 0) {
					if(input.match(/\./) != null)
						return input.split('.')[1].length < 3;

					return true;
				}

				return false;
			},

			validInput: function() {
				if(isEmpty($('#wpProQuiz_title').val())) {
					alert(wpProQuizLocalize.no_title_msg);
					return false;
				}

				var text = '';

				if(typeof tinymce != "undefined" && tinymce.editors.text != undefined && !tinymce.editors.text.isHidden()) {
					text = tinymce.editors.text.getContent();
				} else {
					text = $('textarea[name="text"]').val();
				}

				if(isEmpty(text)) {
					alert(wpProQuizLocalize.no_quiz_start_msg);
					return false;
				}

				if($('#wpProQuiz_resultGradeEnabled:checked').length) {
					var rCheck = true;

					$('#resultList').children().each(function() {
						if($(this).is(':visible')) {
							if(!methode.validResultInput($(this).find('input[name="resultTextGrade[prozent][]"]').val())) {
								rCheck = false;
								return false;
							}
						}
					});

					if(!rCheck) {
						alert(wpProQuizLocalize.fail_grade_result);
						return false;
					}
				}

				return true;
			},

			resetLock: function() {
				var location = window.location.pathname + window.location.search;
				var url = location.replace('post.php', 'admin-ajax.php');
				url = url.replace('action=edit', 'action=reset_lock');

				var nonce = $('input[name="resetQuizLock"]').data('nonce');

				$.post(url, {
					action: 'wp_pro_quiz_reset_lock',
					nonce: nonce,
				}, function(data) {
					$('#resetLockMsg').show('fast').delay(2000).hide('fast');
				});
			},

			generateFormIds: function() {
				var index = 0;

				$('#form_table tbody > tr').each(function() {
					$(this).find('[name^="form[]"]').each(function() {
						var newname = $(this).attr('name').substr(6);
						$(this).attr('name', 'form[' + index + ']' + newname);
					});

					++index;
				});
			}

		};

		var isEmpty = function(str) {
			str = $.trim(str);
			return (!str || 0 === str.length);
		};

		var init = function() {
			$('#statistics_on').on( 'change', function() {
				if(this.checked) {
					$('#statistics_ip_lock_tr').show();
					$('#statistics_show_profile_tr').show();

				} else {
					$('#statistics_ip_lock_tr').hide();
					$('#statistics_show_profile_tr').hide();
				}
			});

			$('.addResult').on( 'click', function() {
				methode.addResult();
			});

			$('.deleteResult').on( 'click', function (e) {
				methode.deleteResult(this);
			});

			$('input[name="resultTextGrade[prozent][]"]').keyup(function(event) {
				methode.changeResult(this);
			}).keydown(function(event) {
				if(event.which == 13) {
					   event.preventDefault();
				}
			});

			$('#wpProQuiz_resultGradeEnabled').on( 'change', function() {
				if(this.checked) {
					$('#resultGrade').show();
					$('#resultNormal').hide();
				} else {
					$('#resultGrade').hide();
					$('#resultNormal').show();
				}
			});

			// Classic editor
			if ( window.postL10n ) {
				$('#wpProQuiz_save,input[name=save]').on( 'click', function(e) {
				/*	if(!methode.validInput())
						e.preventDefault();
					else
				*/		methode.generateFormIds();

					$('select[name="prerequisiteList[]"] option').attr('selected', 'selected');
				});

				//$('#wpProQuiz_save,input[name=save]').on( 'click', function (e) {
				$('#publish').on( 'click', function () {
				/*	if(!methode.validInput())
						e.preventDefault();
					else
				*/		methode.generateFormIds();

					$('select[name="prerequisiteList[]"] option').attr('selected', 'selected');
				});

				$('#save-post').on( 'click', function () {
				/*	if(!methode.validInput())
						e.preventDefault();
					else
				*/		methode.generateFormIds();

					$('select[name="prerequisiteList[]"] option').attr('selected', 'selected');
				});
			} else {
				// Gutenberg
				window.wp.data.subscribe( () => {
					if ( true === window.wp.data.select( 'core/editor' ).isSavingPost() ) {
						methode.generateFormIds();

						$('select[name="prerequisiteList[]"] option').attr('selected', 'selected');
					}
				});
			}

			$('input[name="template"]').on( 'click', function(e) {
				if($('select[name="templateSaveList"]').val() == '0') {
					if(isEmpty($('input[name="templateName"]').val())) {
						alert(wpProQuizLocalize.temploate_no_name);

						e.preventDefault();
						return false;
					}
				}

				methode.generateFormIds();
				$('select[name="prerequisiteList[]"] option').attr('selected', 'selected');
			});

			$('select[name="templateSaveList"]').on( 'change', function() {
				var $templateName = $('input[name="templateName"]');

				if($(this).val() == '0') {
					$templateName.show();
				} else {
					$templateName.hide();
				}
			}).change();

			$('input[name="quizRunOnce"]').on( 'change', function(e) {
				if(this.checked) {
					$('#wpProQuiz_quiz_run_once_type').show();
					$('input[name="quizRunOnceType"]:checked').change();
				} else {
					$('#wpProQuiz_quiz_run_once_type').hide();
				}
			});

			$('input[name="quizRunOnceType"]').on( 'change', function(e) {
				if(this.checked && (this.value == "1" || this.value == "3")) {
					$('#wpProQuiz_quiz_run_once_cookie').show();
				} else {
					$('#wpProQuiz_quiz_run_once_cookie').hide();
				}
			});

			$('input[name="resetQuizLock"]').on( 'click', function(e) {
				methode.resetLock();

				return false;
			});

			$('.wpProQuiz_demoBox a').mouseover(function(e) {
				var $this = $(this);
				var d = $(document).width();
				var img = $this.siblings().outerWidth(true);

				if(e.pageX + img > d) {
						var v = d - (e.pageX + img + 30);
						$(this).next().css('left', v + "px");
				}

				$(this).next().show();

			}).mouseout(function() {
				$(this).next().hide();
			}).on( 'click', function() {
				return false;
			});

			$('input[name="showMaxQuestion"]').on( 'change', function() {
				if(this.checked) {
//					$('input[name="statisticsOn"]').removeAttr('checked').attr('disabled', 'disabled').change();
					$('#wpProQuiz_showMaxBox').show();
				} else {
//					$('input[name="statisticsOn"]').removeAttr('disabled');
					$('#wpProQuiz_showMaxBox').hide();
				}
			});

			$('#btnPrerequisiteAdd').on( 'click', function() {
				$('select[name="quizList"] option:selected').removeAttr('selected').appendTo('select[name="prerequisiteList[]"]');
			});

			$('#btnPrerequisiteDelete').on( 'click', function() {
				$('select[name="prerequisiteList[]"] option:selected').removeAttr('selected').appendTo('select[name="quizList"]');
			});

			$('input[name="prerequisite"]').on( 'change', function() {
				if(this.checked)
					$('#prerequisiteBox').show();
				else
					$('#prerequisiteBox').hide();


			}).change();

			$('input[name="toplistDataAddMultiple"]').on( 'change', function() {
				if(this.checked)
					$('#toplistDataAddBlockBox').show();
				else
					$('#toplistDataAddBlockBox').hide();

			}).change();

			$('input[name="toplistActivated"]').on( 'change', function() {
				if(this.checked)
					$('#toplistBox > tr:gt(0)').show();
				else
					$('#toplistBox > tr:gt(0)').hide();

			}).change();

			$('input[name="showReviewQuestion"]').on( 'change', function() {
				if(this.checked) {
					$('.wpProQuiz_reviewQuestionOptions').show();
				} else {
					$('.wpProQuiz_reviewQuestionOptions').hide();
				}
			}).change();

			$('#statistics_on').change();
			$('#wpProQuiz_resultGradeEnabled').change();
			$('input[name="quizRunOnce"]').change();
			$('input[name="quizRunOnceType"]:checked').change();
			$('input[name="showMaxQuestion"]').change();

			$('#form_add').on( 'click', function() {
				$('#form_table tbody > tr:eq(0)').clone(true).appendTo('#form_table tbody').show();
				$('#form_table tbody tr:last input[type="text"]').focus();
			});

			$('input[name="form_delete"]').on( 'click', function() {
				var con = $(this).parents('tr');

				if(con.find('input[name="form[][form_id]"]').val() != "0") {
					con.find('input[name="form[][form_delete]"]').val(1);
					con.hide();
				} else {
					con.remove();
				}
			});

			$('#form_table tbody').sortable({ handle: '.form_move', update: methode.sortUpdate });
			$('.form_move').on( 'click', function() {
				return false;
			});

			$('select[name="form[][type]"]').on( 'change', function() {
				switch (Number($(this).val())) {
				case 7:
				case 8:
					$(this).siblings('.editDropDown').show();
					break;
				default:
					$(this).siblings('.editDropDown, .dropDownEditBox').hide();
					break;
				}

			}).change();

			$('.editDropDown').on( 'click', function() {
				$('.dropDownEditBox').not(
						$(this).siblings('.dropDownEditBox').toggle())
					.hide();

				return false;
			});

			$('.dropDownEditBox input').on( 'click', function() {
				$(this).parent().hide();
			});
		};

		init();
	};

	$.fn.wpProQuiz_statistics = function() {
		var currectTab = 'wpProQuiz_typeAnonymeUser';
		var changePageNav = true;

		var methode = {
			loadStatistics: function(userId) {
				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=load_statistics';
				var data = {
					action: 'wp_pro_quiz_load_statistics',
					userId: userId
				};

				$('#wpProQuiz_loadData').show();
				$('#wpProQuiz_statistics_content, #wpProQuiz_statistics_overview').hide();

				$.post(
					url,
					data,
					methode.setStatistics,
					'json'
				);
			},

			setStatistics: function(json) {
				var $table = $('.wpProQuiz_statistics_table');
				var $tbody = $table.find('tbody');

				if(currectTab == 'wpProQuiz_typeOverview') {
					return;
				}

				var setItem = function(i, j, r) {
					i.find('.wpProQuiz_cCorrect').text(j.cCorrect + ' (' + j.pCorrect + '%)');
					i.find('.wpProQuiz_cIncorrect').text(j.cIncorrect + ' (' + j.pIncorrect + '%)');
					i.find('.wpProQuiz_cTip').text(j.cTip);
					i.find('.wpProQuiz_cPoints').text(j.cPoints);

					if(r == true) {
						$table.find('.wpProQuiz_cResult').text(j.result + '%');
					}
				};

				setItem($table, json.clear, false);

				$.each(json.items, function(i, v) {
					setItem($tbody.find('#wpProQuiz_tr_' + v.id), v, false);
				});

				setItem($table.find('tfoot'), json.global, true);

				$('#wpProQuiz_loadData').hide();
				$('#wpProQuiz_statistics_content, .wpProQuiz_statistics_table').show();
			},

			loadOverview: function() {
				$('.wpProQuiz_statistics_table, #wpProQuiz_statistics_content, #wpProQuiz_statistics_overview').hide();
				$('#wpProQuiz_loadData').show();

				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=load_statistics';
				var data = {
					action: 'wp_pro_quiz_load_statistics',
					overview: true,
					pageLimit: $('#wpProQuiz_pageLimit').val(),
					onlyCompleted: Number($('#wpProQuiz_onlyCompleted').is(':checked')),
					page: $('#wpProQuiz_currentPage').val(),
					generatePageNav: Number(changePageNav)
				};

				$.post(
					url,
					data,
					function(json) {
						$('#wpProQuiz_statistics_overview_data').empty();

						if(currectTab != 'wpProQuiz_typeOverview') {
							return;
						}

						var item = $(	'<tr>'
								+ '<th><a href="#">---</a></th>'
								+ '<th class="wpProQuiz_points">---</th>'
								+ '<th class="wpProQuiz_cCorrect" style="color: green;">---</th>'
								+ '<th class="wpProQuiz_cIncorrect" style="color: red;">---</th>'
								+ '<th class="wpProQuiz_cTip">---</th>'
								+ '<th class="wpProQuiz_cResult" style="font-weight: bold;">---</th>'
							+ '</tr>'
						);

						$.each(json.items, function(i, v) {
							var d = item.clone();

							d.find('a').text(v.userName).data('userId', v.userId).on( 'click', function() {
								$('#userSelect').val($(this).data('userId'));

								$('#wpProQuiz_typeRegisteredUser').click();

								return false;
							});

							if(v.completed) {
								d.find('.wpProQuiz_points').text(v.cPoints);
								d.find('.wpProQuiz_cCorrect').text(v.cCorrect + ' (' + v.pCorrect + '%)');
								d.find('.wpProQuiz_cIncorrect').text(v.cIncorrect + ' (' + v.pIncorrect + '%)');
								d.find('.wpProQuiz_cTip').text(v.cTip);
								d.find('.wpProQuiz_cResult').text(v.result + '%');
							} else {
								d.find('th').removeAttr('style');
							}

							$('#wpProQuiz_statistics_overview_data').append(d);
						});

						if(json.page != undefined) {
							methode.setPageNav(json.page);
							changePageNav = false;
						}

						$('#wpProQuiz_loadData').hide();
						$('#wpProQuiz_statistics_overview').show();
					},
					'json'
				);
			},

			loadFormOverview: function() {
				$('#wpProQuiz_tabFormOverview').show();
			},

			changeTab: function(id) {
				currectTab = id;

				if(id == 'wpProQuiz_typeRegisteredUser') {
					methode.loadStatistics($('#userSelect').val());
				} else if( id == 'wpProQuiz_typeAnonymeUser') {
					methode.loadStatistics(0);
				} else if(id == 'wpProQuiz_typeForm') {
					methode.loadFormOverview();
				} else {
					methode.loadOverview();
				}
			},

			resetStatistic: function(complete) {
				var userId = (currectTab == 'wpProQuiz_typeRegisteredUser') ? $('#userSelect').val() : 0;
				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=reset';
				var data = {
						action: 'wp_pro_quiz_statistics',
						userId: userId,
						'complete': complete
				};

				$.post(url, data, function(e) {
					methode.changeTab(currectTab);
				});
			},

			setPageNav: function(page) {
				page = Math.ceil(page / $('#wpProQuiz_pageLimit').val());
				$('#wpProQuiz_currentPage').empty();

				for(var i = 1; i <= page; i++) {
					$(document.createElement('option'))
					.val(i)
					.text(i)
					.appendTo($('#wpProQuiz_currentPage'));
				}

				$('#wpProQuiz_pageLeft, #wpProQuiz_pageRight').hide();

				if($('#wpProQuiz_currentPage option').length > 1) {
					$('#wpProQuiz_pageRight').show();

				}
			}
		};

		var init = function() {
			$('.wpProQuiz_tab').on( 'click', function(e) {
				var $this = $(this);

				if($this.hasClass('button-primary')) {
					return false;
				}

				if($this.attr('id') == 'wpProQuiz_typeRegisteredUser') {
					$('#wpProQuiz_userBox').show();
				} else {
					$('#wpProQuiz_userBox').hide();
				}

				$('.wpProQuiz_tab').removeClass('button-primary').addClass('button-secondary');
				$this.removeClass('button-secondary').addClass('button-primary');

				methode.changeTab($this.attr('id'));

				return false;
			});

			$('#userSelect').on( 'change', function() {
				methode.changeTab('wpProQuiz_typeRegisteredUser');
			});

			$('.wpProQuiz_update').on( 'click', function() {
				methode.changeTab(currectTab);

				return false;
			});

			$('#wpProQuiz_reset').on( 'click', function() {

				var c =confirm(wpProQuizLocalize.reset_statistics_msg);

				if(c) {
					methode.resetStatistic(false);
				}


				return false;
			});

			$('.wpProQuiz_resetComplete').on( 'click', function() {

				var c =confirm(wpProQuizLocalize.reset_statistics_msg);

				if(c) {
					methode.resetStatistic(true);
				}

				return false;
			});

			$('#wpProQuiz_pageLimit, #wpProQuiz_onlyCompleted').on( 'change', function() {
				$('#wpProQuiz_currentPage').val(0);
				changePageNav = true;
				methode.changeTab(currectTab);

				return false;
			});

			$('#wpProQuiz_currentPage').on( 'change', function() {
				$('#wpProQuiz_pageLeft, #wpProQuiz_pageRight').hide();

				if($('#wpProQuiz_currentPage option').length == 1) {

				} else if($('#wpProQuiz_currentPage option:first-child:selected').length) {
					$('#wpProQuiz_pageRight').show();
				} else if($('#wpProQuiz_currentPage option:last-child:selected').length) {
					$('#wpProQuiz_pageLeft').show();
				}else {
					$('#wpProQuiz_pageLeft, #wpProQuiz_pageRight').show();
				}

				methode.changeTab(currectTab);
			});

			$('#wpProQuiz_pageRight').on( 'click', function() {
				$('#wpProQuiz_currentPage option:selected').next().attr('selected', 'selected');
				$('#wpProQuiz_currentPage').change();

				return false;
			});

			$('#wpProQuiz_pageLeft').on( 'click', function() {
				$('#wpProQuiz_currentPage option:selected').prev().attr('selected', 'selected');
				$('#wpProQuiz_currentPage').change();

				return false;
			});

			methode.changeTab('wpProQuiz_typeAnonymeUser');
		};

		init();
	};

	$.fn.wpProQuiz_toplist = function() {
		var elements = {
			sort: $('#wpProQuiz_sorting'),
			pageLimit: $('#wpProQuiz_pageLimit'),
			currentPage: $('#wpProQuiz_currentPage'),
			loadDataBox: $('#wpProQuiz_loadData'),
			pageLeft: $('#wpProQuiz_pageLeft'),
			pageRight: $('#wpProQuiz_pageRight'),
			dataBody: $('#wpProQuiz_toplistTable tbody'),
			rowClone: $('#wpProQuiz_toplistTable tbody tr:eq(0)').clone(),
			content: $('#wpProQuiz_content')
		};

		var methods = {
			loadData: function(action) {
				var location = window.location.pathname + window.location.search;
				var url = location.replace('admin.php', 'admin-ajax.php') + '&action=load_toplist';
				var nonce = $('#wpProQuiz_loadData').data('nonce');

				var th = this;
				var data = {
					action: 'wp_pro_quiz_load_toplist',
					nonce: nonce,
					sort: elements.sort.val(),
					limit: elements.pageLimit.val(),
					page: elements.currentPage.val()
				};

				if(action != undefined) {
					$.extend(data, action);
				}

				elements.loadDataBox.show();
				elements.content.hide();

				$.post(url, data, function(json) {
					//methods.handleDataRequest(json.data);
					th.handleDataRequest(json.data);

					if(json.nav != undefined) {
						//methods.handleNav(json.nav);
						th.handleNav(json.nav);
					}

					elements.loadDataBox.hide();
					elements.content.show();
				}, 'json');
			},

			handleNav: function(nav) {
				elements.currentPage.empty();

				for(var i = 1; i <= nav.pages; i++) {
					$(document.createElement('option'))
						.val(i).text(i)
						.appendTo(elements.currentPage);
				}

				this.checkNav();
			},

			handleDataRequest: function(json) {
				var methods = this;

				elements.dataBody.empty();

				$.each(json, function(i, v) {
					var data = elements.rowClone.clone().children();

					data.eq(0).children().val(v.id);
					data.eq(1).find('strong').text(v.name);
					data.eq(1).find('.inline_editUsername').val(v.name);
					data.eq(2).find('.wpProQuiz_email').text(v.email);
					data.eq(2).find('input').val(v.email);
					data.eq(3).text(v.type);
					data.eq(4).text(v.date);
					data.eq(5).text(v.points);
					data.eq(6).text(v.result);

					data.parent().show().appendTo(elements.dataBody);
				});

				if(!json.length) {
					$(document.createElement('td'))
						.attr('colspan', '7')
						.text(wpProQuizLocalize.no_data_available)
						.css({'font-weight': 'bold', 'text-align': 'center', 'padding': '5px'})
						.appendTo(document.createElement('tr'))
						.appendTo(elements.dataBody);
				}

				$('.wpProQuiz_delete').on( 'click', function() {
					if(confirm(wpProQuizLocalize.confirm_delete_entry)) {
						var id = new Array($(this).closest('tr').find('input[name="checkedData[]"]').val());

						methods.loadData({a: 'delete', toplistIds: id});
					}

					return false;
				});

				$('.wpProQuiz_edit').on( 'click', function() {
					var $contain = $(this).closest('tr');

					$contain.find('.row-actions').hide();
					$contain.find('.inline-edit').show();

					$contain.find('.wpProQuiz_username, .wpProQuiz_email').hide();
					$contain.find('.inline_editUsername, .inline_editEmail').show();

					return false;
				});

				$('.inline_editSave').on( 'click', function() {
					var $contain = $(this).closest('tr');
					var username = $contain.find('.inline_editUsername').val();
					var email = $contain.find('.inline_editEmail').val();

					if(methods.isEmpty(username) || methods.isEmpty(email)) {
						alert(wpProQuizLocalize.not_all_fields_completed);

						return false;
					}

					methods.loadData({
						a: 'edit',
						toplistId: $contain.find('input[name="checkedData[]"]').val(),
						name: username,
						email: email
					});

					return false;
				});

				$('.inline_editCancel').on( 'click', function() {
					var $contain = $(this).closest('tr');

					$contain.find('.row-actions').show();
					$contain.find('.inline-edit').hide();

					$contain.find('.wpProQuiz_username, .wpProQuiz_email').show();
					$contain.find('.inline_editUsername, .inline_editEmail').hide();

					$contain.find('.inline_editUsername').val($contain.find('.wpProQuiz_username').text());
					$contain.find('.inline_editEmail').val($contain.find('.wpProQuiz_email').text());

					return false;
				});
			},

			checkNav: function() {
				var n = elements.currentPage.val();

				if(n == 1) {
					elements.pageLeft.hide();
				} else {
					elements.pageLeft.show();
				}

				if(n == elements.currentPage.children().length) {
					elements.pageRight.hide();
				} else {
					elements.pageRight.show();
				}
			},

			isEmpty: function(text) {
				text = $.trim(text);

				return (!text || 0 === text.length);
			}
		};

		var init = function() {
			elements.sort.on( 'change', function() {
				methods.loadData();
			});

			elements.pageLimit.on( 'change', function() {
				methods.loadData({nav: 1});
			});

			elements.currentPage.on( 'change', function() {
				methods.checkNav();
				methods.loadData();
			});

			elements.pageLeft.on( 'click', function() {
				elements.currentPage.val(Number(elements.currentPage.val()) - 1);
				methods.checkNav();
				methods.loadData();
			});

			elements.pageRight.on( 'click', function() {
				elements.currentPage.val(Number(elements.currentPage.val()) + 1);
				methods.checkNav();
				methods.loadData();
			});

			$('#wpProQuiz_deleteAll').on( 'click', function() {
				methods.loadData({a: 'deleteAll'});
			});

			$('#wpProQuiz_action').on( 'click', function() {
				var name = $('#wpProQuiz_actionName').val();

				if(name != '0') {

					var ids = $('input[name="checkedData[]"]:checked').map(function() {
						return $(this).val();
					}).get();

					methods.loadData({a: name, toplistIds: ids});
				}
			});

			$('#wpProQuiz_checkedAll').on( 'change', function() {
				if(this.checked)
					$('input[name="checkedData[]"]').attr('checked', 'checked');
				else
					$('input[name="checkedData[]"]').removeAttr('checked', 'checked');
			});

			methods.loadData({nav: 1});
		};

		init();
	};


	if($('.wpProQuiz_quizOverall').length)
		$('.wpProQuiz_quizOverall').wpProQuiz_preview();

	if($('.wpProQuiz_quizOverall').length) {
		$('.wpProQuiz_quizOverall').wpProQuiz_quizOverall();
	}

	if($('.wpProQuiz_quizEdit').length)
		$('.wpProQuiz_quizEdit').wpProQuiz_quizEdit();

//	if($('.wpProQuiz_questionEdit').length)
//		$('.wpProQuiz_questionEdit').wpProQuiz_questionEdit();

	if($('.wpProQuiz_questionOverall').length)
		$('.wpProQuiz_questionOverall').wpProQuiz_questionOverall();

//	if($('.wpProQuiz_statistics').length)
//		$('.wpProQuiz_statistics').wpProQuiz_statistics();

	if($('.wpProQuiz_toplist').length)
		$('.wpProQuiz_toplist').wpProQuiz_toplist();

/**
 * NEW
 */
	/**
	 * @memberOf WpProQuiz_Admin
	 */
	function WpProQuiz_Admin() {
		var global = this;

		global = {
			displayChecked: function(t, box, neg, disabled) {
				var c = neg ? !t.checked : t.checked;

				if(disabled)
					c ? box.attr('disabled', 'disabled') : box.removeAttr('disabled');
				else
					c ? box.show() : box.hide();
			},

			isEmpty: function(text) {
				text = $.trim(text);

				return (!text || 0 === text.length);
			},

			isNumber: function(number) {
				number = $.trim(number);
				return !global.isEmpty(number) && !isNaN(number);
			},

			getMceContent: function(id) {
				if(typeof tinymce == "undefined" || typeof tinymce == undefined ||  typeof tinymce.editors == "undefined")
					return $('#'+id).val();

				var editor = tinymce.editors[id];

				if(editor != undefined && !editor.isHidden()) {
					return editor.getContent();
				}

				return $('#'+id).val();
			},

			ajaxPost: function(func, data, success) {
				var nonce = jQuery('#wpProQuiz_nonce').data('nonce');
				var d = {
					action: 'wp_pro_quiz_admin_ajax',
					nonce: nonce,
					func: func,
					data: data
				};

				$.post(ajaxurl, d, success, 'json');
			}
		};

		var tabWrapper = function() {
			$('.wpProQuiz_tab_wrapper a').on( 'click', function() {
				var $this = $(this);
				var tabId = $this.data('tab');
				var currentTab = $this.siblings('.button-primary').removeClass('button-primary').addClass('button-secondary');

				$this.removeClass('button-secondary').addClass('button-primary');

				$(currentTab.data('tab')).hide('fast');
				$(tabId).show('fast');

				$(document).trigger({type: 'changeTab', tabId: tabId});

				return false;
			});
		};

		function showSpinner(itemClass) {
			if (itemClass != '') {
				$(itemClass).css('float', 'none');
				$(itemClass).css('visibility', 'visible');
				$(itemClass).show();
			}
		}

		function hideSpinner(itemClass) {
			if (itemClass != '') {
				$(itemClass).hide();
				$(itemClass).css('visibility', 'hidden');
			}
		}

		function showMessage(itemClass) {
			if (itemClass != '') {
				$(itemClass).show().fadeOut(1500);
			}
		}

		var module = {
				/**
				 * @memberOf WpProQuiz_admin.module
				 */

			gobalSettings: function() {
				var methode = {
					categoryDelete: function(id) {
						var data = {
							categoryId: id
						};

						showSpinner('.categorySpinner');

						global.ajaxPost('categoryDelete', data, function(json) {
							if(json.err) {

								return;
							}

							hideSpinner('.categorySpinner');
							showMessage('.categoryDeleteUpdate');

							$('select[name="category"] option[value="'+id+'"]').remove();
							$('select[name="category"]').change();
						});
					},

					categoryEdit: function(id, name) {
						var data = {
								categoryId: id,
								categoryName: $.trim(name)
						};

						if(global.isEmpty(name)) {
							alert(wpProQuizLocalize.category_no_name);
							return;
						}
						showSpinner('.categorySpinner');

						global.ajaxPost('categoryEdit', data, function(json) {
							if(json.err) {

								return;
							}

							hideSpinner('.categorySpinner');
							showMessage('.categoryEditUpdate')

							$('select[name="category"] option[value="'+id+'"]').text(data.categoryName);
							$('select[name="category"]').val('');
							$('select[name="category"]').change();
						});
					},

					changeTimeFormat: function(inputName, $select) {
						if($select.val() != "0")
							$('input[name="' + inputName + '"]').val($select.val());
					},

					templateDelete: function(id, type) {
						var data = {
							templateId: id,
							type: type
						};

						// Show the spinner
						if(!type) {
							showSpinner('.templateQuizSpinner');
						} else {
							showSpinner('.templateQuestionSpinner');
						}

						global.ajaxPost('templateDelete', data, function(json) {
							if(json.err) {

								return;
							}

							if(!type) {
								hideSpinner('.templateQuizSpinner');
								showMessage('.templateQuizDeleteUpdate');

								$('select[name="templateQuiz"] option[value="'+id+'"]').remove();
								$('select[name="templateQuiz"]').val('');
								$('select[name="templateQuiz"]').change();
							} else {
								hideSpinner('.templateQuestionSpinner');
								showMessage('.templateQuestionDeleteUpdate');

								$('select[name="templateQuestion"] option[value="'+id+'"]').remove();
								$('select[name="templateQuestion"]').val('');
								$('select[name="templateQuestion"]').change();
							}
						});
					},

					templateEdit: function(id, name, type) {

						if(global.isEmpty(name)) {
							alert(wpProQuizLocalize.category_no_name);
							return;
						}

						var data = {
								templateId: id,
								name: $.trim(name),
								type: type
						};

						if (!type) {
							showSpinner('.templateQuizSpinner');
						} else {
							showSpinner('.templateQuestionSpinner');
						}

						global.ajaxPost('templateEdit', data, function(json) {
							if(json.err) {

								return;
							}

							if(!type) {
								hideSpinner('.templateQuizSpinner');
								showMessage('.templateQuizEditUpdate');

								$('select[name="templateQuiz"] option[value="'+id+'"]').text(data.name);
								$('select[name="templateQuiz"]').val('');
								$('select[name="templateQuiz"]').change();
							} else {
								hideSpinner('.templateQuestionSpinner');
								showMessage('.templateQuestionEditUpdate');

								$('select[name="templateQuestion"] option[value="'+id+'"]').text(data.name);
								$('select[name="templateQuestion"]').val('');
								$('select[name="templateQuestion"]').change();
							}
						});
					}
				};

				var init = function() {
//					$('.wpProQuiz_tab').on( 'click', function() {
//						var $this = $(this);
//
//						$('.wpProQuiz_tab').removeClass('button-primary').addClass('button-secondary');
//						$this.removeClass('button-secondary').addClass('button-primary');
//
//						$('#problemInfo, #problemContent, #globalContent').hide('fast');
//
//						if($this.attr('id') == 'globalTab') {
//							$('#globalContent').show('fast');
//						} else {
//							$('#problemInfo, #problemContent').show('fast');
//						}
//					});


					/*******************************************
					 * Category
					 ******************************************/
					$('select[name="category"]').on( 'change', function() {
						//$('input[name="categoryEditText"]').val($(this).find(':selected').text());

						if ($(this).val() != '') {
							$('input[name="categoryEditText"]').val($('option:selected', this).text());
						} else {
							$('input[name="categoryEditText"]').val('');
						}
					});

					$('input[name="categoryDelete"]').on( 'click', function() {
						var category_id = $('select[name="category"] option:selected').val();
						if (category_id != '') {
							methode.categoryDelete(category_id);
						}
					});

					$('input[name="categoryEdit"]').on( 'click', function() {
						var category_id = $('select[name="category"] option:selected').val();
						if (category_id != '') {
							var category_text = $('input[name="categoryEditText"]').val();
							methode.categoryEdit(category_id, category_text);
						}
					});

					/*******************************************
					 * templateQuiz
					 ******************************************/
					$('select[name="templateQuiz"]').on( 'change', function() {
						//$('input[name="templateQuizEditText"]').val($(this).find(':selected').text());
						if ($(this).val() != '') {
							$('input[name="templateQuizEditText"]').val($('option:selected', this).text());
						} else {
							$('input[name="templateQuizEditText"]').val('');
						}
					});
					$('input[name="templateQuizEdit"]').on( 'click', function() {
						var template_id = $('select[name="templateQuiz"] option:selected').val();
						if (template_id != '') {
							var text = $('input[name="templateQuizEditText"]').val();

							methode.templateEdit(template_id, text, 0);
						}
					});
					$('input[name="templateQuizDelete"]').on( 'click', function() {
						var template_id = $('select[name="templateQuiz"] option:selected').val();
						if (template_id != '') {
							methode.templateDelete(template_id, 0);
						}
					});


					/*******************************************
					 * templateQuestion
					 ******************************************/
					$('select[name="templateQuestion"]').on( 'change', function() {
						//$('input[name="templateQuestionEditText"]').val($(this).find(':selected').text());
						if ($(this).val() != '') {
							$('input[name="templateQuestionEditText"]').val($('option:selected', this).text());
						} else {
							$('input[name="templateQuestionEditText"]').val('');
						}

					});

					$('input[name="templateQuestionEdit"]').on( 'click', function() {
						var template_id = $('select[name="templateQuestion"] option:selected').val();
						if (template_id != '') {
							var text = $('input[name="templateQuestionEditText"]').val();

							methode.templateEdit(template_id, text, 1);
						}
					});

					$('input[name="templateQuestionDelete"]').on( 'click', function() {
						var template_id = $('select[name="templateQuestion"] option:selected').val();
						if (template_id != '') {
							methode.templateDelete(template_id, 1);
						}
					});
					/*******************************************
					 *
					 ******************************************/


					$('#statistic_time_format_select').on( 'change', function() {
						methode.changeTimeFormat('statisticTimeFormat', $(this));
					});

					$(document).bind('changeTab', function(data) {
						$('#problemInfo').hide('fast');

						switch (data.tabId) {
						case '#problemContent':
							$('#problemInfo').show('fast');
							break;
						case '#emailSettingsTab':
							break;
						}
					});
					/*
					$('input[name="email[html]"]').on( 'change', function() {
						if(switchEditors == undefined)
							return false;

						if(this.checked) {
							switchEditors.go('adminEmailEditor', 'tmce');
						} else {
							switchEditors.go('adminEmailEditor', 'html');
						}

					}).change();
					*/
					/*
					$('input[name="userEmail[html]"]').on( 'change', function() {
						if(switchEditors == undefined)
							return false;

						if(this.checked) {
							switchEditors.go('userEmailEditor', 'tmce');
						} else {
							switchEditors.go('userEmailEditor', 'html');
						}

					}).change();
					*/
				};

				init();
			},

			questionEdit: function() {
				var methode = this;
				var question_filter = $.noop();

				var elements = {
					answerChildren: $('.answer_felder > div'),
					pointsModus: $('input[name="answerPointsActivated"]'),
					gPoints: $('input[name="points"]')
				};

				methode = {
					generateArrayIndex: function() {
						var type = $('input[name="answerType"]:checked').val();
						type = (type == 'single' || type == 'multiple') ? 'classic_answer' : type;

						$('.answerList').each(function() {
							var currentType = $(this).parent().attr('class');

							$(this).children().each(function(i, v) {
								$(this).find('[name^="answerData"]').each(function() {
									var name = this.name;
									var x = name.search(/\](\[\w+\])+$/);
									var n = (type == currentType) ? i : 'none';

									if(x > 0) {
										this.name = 'answerData[' + n + name.substring(x, name.length);

									}
								});
							});
						});
					},

					globalValidate: function() {
						//var activeEditor = wp.wpActiveEditor;

						if ((typenow !== 'undefined' ) && ( typenow == 'sfwd-question' )) {
							// var active_editor_id = wpActiveEditor;
							if (global.isEmpty(global.getMceContent('content'))) {
								alert(wpProQuizLocalize.no_question_msg);

								return false;
							}
						} else {
							if(global.isEmpty(global.getMceContent('question'))) {
								alert(wpProQuizLocalize.no_question_msg);

								return false;
							}
						}

						if(!elements.pointsModus.is(':checked')) {
							var p = elements.gPoints.val();

							if(!global.isNumber(p) || p < 1) {
								alert(wpProQuizLocalize.no_nummber_points);

								return false;
							}
						} else {
							//if($('input[name="answerType"]:checked').val() == 'free_answer') {
							//	alert(wpProQuizLocalize.dif_points);
							//	return false;
							//}
						}

						if ( question_filter() === false) {
							return false;
						}

						return true;
					},

					answerRemove: function() {
						var li = $(this).parent();

						if ( li.parent().children().length > 1 )
							li.remove();
						else
							alert(wpProQuizLocalize.no_delete_answer);

						return false;
					},

					addCategory: function() {
						var name = $.trim($('input[name="categoryAdd"]').val());
						var nonce = jQuery('#wpProQuiz_nonce').data('nonce');

						if(global.isEmpty(name)) {
							return;
						}

						var data = {
							categoryName: name,
							nonce: nonce
						};

						global.ajaxPost('categoryAdd', data, function(json) {
							if(json.err) {
								$('#categoryMsgBox').text(json.err).show('fast').delay(2000).hide('fast');
								return;
							}

							var $option = $(document.createElement('option'))
								.val(json.categoryId)
								.text(json.categoryName)
								.attr('selected', 'selected');

							$('select[name="category"]').append($option).change();

						});
					},

					addMediaClick: function() {
						var closest = $(this).closest('li');
						var htmlCheck = closest.find('input[name="answerData[][html]"]:eq(0)');
						var field = closest.find('.wpProQuiz_text:eq(0)')
						var media_upload_frame;

						if ( undefined !== media_upload_frame ) {
							media_upload_frame.open();
							return;
						}

						media_upload_frame = wp.media.frames.media_upload_frame = wp.media({
							frame:    'select',
							'library': {
								type: [ 'image', 'audio', 'video' ]
							},
							multiple: false
						});

						media_upload_frame.on( 'select', function() {
							var json = media_upload_frame.state().get( 'selection' ).first().toJSON();

							if( json.type === "image" ) {
								field.val(field.val() + '<img src="' + json.url + '" alt="' + json.alt + '" />');
								htmlCheck.attr('checked', true);
							}

							if( json.type === "audio" ) {
								field.val(field.val() + '[audio src="' + json.url + '"][/audio]');
								htmlCheck.attr('checked', true);
							}

							if( json.type === "video" ) {
								field.val(field.val() + '[video src="' + json.url + '"][/video]');
								htmlCheck.attr('checked', true);
							}

						});

						media_upload_frame.open();
					}
				};

				var validate = {
					classic_answer: function() {
						var findText = 0;
						var findCorrect = 0;
						var findPoints = 0;

						$('.classic_answer .answerList').children().each(function() {
							var t = $(this);

							if(!global.isEmpty(t.find('textarea[name="answerData[][answer]"]').val())) {
								findText++;

								if(t.find('input[name="answerData[][correct]"]:checked').length) {
									findCorrect++;
								}

								var p = t.find('input[name="answerData[][points]"]').val();

								if(global.isNumber(p) && p >= 0) {
									findPoints++;
								}
							}
						});

						if(!findText) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						if(!findCorrect && !($('input[name="disableCorrect"]').is(':checked')
								&& $('input[name="answerPointsDiffModusActivated"]').is(':checked')
								&& $('input[name="answerPointsActivated"]').is(':checked')
								&& ( $('input[name="answerType"]:checked').val() == 'single' || $('input[name="answerType"]:checked').val() == 'multiple' ) ) ) {
							alert(wpProQuizLocalize.no_correct_msg);
							return false;
						}

						if(findPoints != findText && elements.pointsModus.is(':checked')) {
							alert(wpProQuizLocalize.no_nummber_points_new);
							return false;
						}

						return true;
					},

					free_answer: function() {
						if(global.isEmpty($('.free_answer textarea[name="answerData[][answer]"]').val())) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						return true;
					},

					cloze_answer: function() {
						if(global.isEmpty(global.getMceContent('cloze'))) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						return true;
					},

					sort_answer: function() {
						var findText = 0;
						var findPoints = 0;

						$('.sort_answer .answerList').children().each(function() {
							var t = $(this);

							if(!global.isEmpty(t.find('textarea[name="answerData[][answer]"]').val())) {
								findText++;

								var p = t.find('input[name="answerData[][points]"]').val();

								if(global.isNumber(p) && p >= 0) {
									findPoints++;
								}
							}
						});

						if(!findText) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						if(findPoints != findText && elements.pointsModus.is(':checked')) {
							alert(wpProQuizLocalize.no_nummber_points_new);
							return false;
						}

						return true;
					},

					matrix_sort_answer: function() {
						var findText = 0;
						var findPoints = 0;
						var sortString = true;
						var menge = 0;

						$('.matrix_sort_answer .answerList').children().each(function() {
							var t = $(this);
							var p = t.find('input[name="answerData[][points]"]').val();

							if(!global.isEmpty(t.find('textarea[name="answerData[][answer]"]').val())) {
								findText++;
								menge++;

								if(global.isEmpty(t.find('textarea[name="answerData[][sort_string]"]').val())) {
									sortString = false;
								}

								if(global.isNumber(p) && p >= 0) {
									findPoints++;
								}
							} else {
								if(!global.isEmpty(t.find('textarea[name="answerData[][sort_string]"]').val())) {
									menge++;

									if(global.isNumber(p) && p >= 0) {
										findPoints++;
									}
								}
							}
						});

						if(!findText) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						if(!sortString) {
							alert(wpProQuizLocalize.no_sort_element_criterion);
							return false;
						}

						if(findPoints != menge && elements.pointsModus.is(':checked')) {
							alert(wpProQuizLocalize.no_nummber_points_new);
							return false;
						}

						return true;
					},

					assessment_answer: function() {
						if(global.isEmpty(global.getMceContent('assessment'))) {
							alert(wpProQuizLocalize.no_answer_msg);
							return false;
						}

						return true;
					}
				};

				var formListener = function() {
					$('#wpProQuiz_tip').on( 'change', function() {
						global.displayChecked(this, $('#wpProQuiz_tipBox'));
					}).change();

					$('#wpProQuiz_correctSameText').on( 'change', function() {
						global.displayChecked(this, $('#wpProQuiz_incorrectMassageBox'), true);
						global.displayChecked(this, $('#learndash_question_message_incorrect_answer'), true);

					});

					$('input[name="answerType"]').on( 'click', function() {
						elements.answerChildren.hide();
						var v = this.value;

						var answerPointsActivated_checked = $('input[name="answerPointsActivated"]').is(':checked');
						var points_enabled = false;
						if ( answerPointsActivated_checked == true ) {
							points_enabled = true;
						}

						if(v == 'single') {
							if ((typenow !== 'undefined') && (typenow == 'sfwd-question')) {
								$('#learndash_question_single_choice_options').show();
							} else {
								$('#singleChoiceOptions').show();
							}
							$('input[name="disableCorrect"]').change();
						} else {
							if ((typenow !== 'undefined') && (typenow == 'sfwd-question')) {
								$('#learndash_question_single_choice_options').hide();
							} else {
								$('#singleChoiceOptions').hide();
							}
							$('.classic_answer .wpProQuiz_classCorrect').parent().parent().show();
						}

						if(v == 'single' || v == 'multiple') {
							var type = (v == 'single') ? 'radio' : 'checkbox';
							v = 'classic_answer';

							$('input[name="points"]').attr('disabled', points_enabled);
							
							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('disabled', false);
							
							$('input[name="correctSameText"]').attr('disabled', false);

							$('.wpProQuiz_classCorrect').each(function() {
								 $("<input type=" + type + " />")
								 	.attr({ name: this.name, value: this.value, checked: this.checked})
								 	.addClass('wpProQuiz_classCorrect wpProQuiz_checkbox')
								 	.insertBefore(this);
							}).remove();
						} else if ( v == 'free_answer' ) {
							$('input[name="points"]').attr('disabled', points_enabled);
							
							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('disabled', false);
							
							$('input[name="correctSameText"]').attr('disabled', false);
						} else if ( v == 'sort_answer' ) {
							$('input[name="points"]').attr('disabled', points_enabled);
							
							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('disabled', false);
							
							$('input[name="correctSameText"]').attr('disabled', false);
						} else if ( v == 'matrix_sort_answer' ) {
							$('input[name="points"]').attr('disabled', points_enabled);
							
							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('disabled', false);
							
							$('input[name="correctSameText"]').attr('disabled', false);
						} else if ( v == 'cloze_answer' ) {
							$('input[name="points"]').attr('disabled', points_enabled);
							
							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('disabled', false);
							
							$('input[name="correctSameText"]').attr('disabled', false);
						} else if ( v == 'assessment_answer' ) {
							$('input[name="points"]').attr('disabled', points_enabled);

							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('checked', true);
							$('input[name="answerPointsActivated"]').attr('disabled', true);

							$('input[name="correctSameText"]').attr('checked', true);
							$('input[name="correctSameText"]').attr('disabled', true);

							$('#learndash_question_message_incorrect_answer').hide();
						} else if ( v == 'essay' ) {
							$('input[name="answerPointsActivated"]').attr('checked', false);
							$('input[name="showPointsInBox"]').attr('checked', false);

							$('input[name="points"]').attr('disabled', false);

							$('#wpProQuiz_answerPointsActivated').show();
							$('input[name="answerPointsActivated"]').attr('checked', false);
							$('input[name="answerPointsActivated"]').attr('disabled', true);


							$('input[name="correctSameText"]').attr('checked', true);

							$('#learndash_question_message_correct_answer .postbox-header h2').html( wpProQuizLocalize.metabox_title_correct_message_essay );
							$('#learndash_question_message_correct_answer .inside .learndash-same-answer-text').hide();
							$('#learndash_question_message_correct_answer .inside p.description').hide();

							$('#wpProQuiz_incorrectMassageBox').hide();
							$('#learndash_question_message_incorrect_answer').hide();
							$('textarea[name="incorrectMsg"]').val('');

						} else {
							$('#wpProQuiz_answerPointsActivated').show();

							$('#wpProQuiz_correctMessageBox').show();
							$('#learndash_question_message_correct_answer').show();
							$('#learndash_question_message_correct_answer .postbox-header h2').html( wpProQuizLocalize.metabox_title_correct_message );
							$('#learndash_question_message_correct_answer .inside .learndash-same-answer-text').show();
							$('#learndash_question_message_correct_answer .inside p.description').show();

							$('#wpProQuiz_incorrectMassageBox').show();
							$('#learndash_question_message_incorrect_answer').show();
						}

						question_filter = (validate[v] != undefined) ? validate[v] : $.noop();

						$('.' + v).show();
					});

					setTimeout(() => {
						$('input[name="answerType"]:checked').click();
					}, 500);


					$('#wpProQuiz_correctSameText').change();

					$('.deleteAnswer').on( 'click', methode.answerRemove );

					$('.addAnswer').on( 'click', function() {
						var default_value = $(this).attr('data-default-value');
						if (default_value == undefined) default_value = 0;

						var ul = $(this).siblings('ul');
						var clone = ul.find('li:eq(0)').clone();

						clone.find('.wpProQuiz_checkbox').removeAttr('checked');
						clone.find('.wpProQuiz_text').val('');
						clone.find('.wpProQuiz_points').val(default_value);
						clone.find('.deleteAnswer').on( 'click', methode.answerRemove);
						clone.find('.addMedia').on( 'click', methode.addMediaClick);

						clone.appendTo(ul);

						return false;
					});

					$('.sort_answer ul, .classic_answer ul, .matrix_sort_answer ul').sortable({
						handle: '.wpProQuiz_move'
					});

					$('#saveQuestion').on( 'click', function() {
						if(!methode.globalValidate()) {
							return false;
						}

						methode.generateArrayIndex();

						return true;
					});
					$('#publish').on( 'click', function () {
						if (!methode.globalValidate()) {
							return false;
						}

						methode.generateArrayIndex();

						return true;
					});
					$('#save-post').on( 'click', function () {
						if (!methode.globalValidate()) {
							return false;
						}

						methode.generateArrayIndex();

						return true;
					});

					$(elements.pointsModus).on( 'change', function() {
						global.displayChecked(this, $('.wpProQuiz_answerPoints'));
						//global.displayChecked(this, $('#wpProQuiz_showPointsBox'));
						global.displayChecked(this, elements.gPoints, false, true);
						global.displayChecked(this, $('input[name="answerPointsDiffModusActivated"]'), true, true);

						if(this.checked) {
							$('input[name="answerPointsDiffModusActivated"]').change();
							$('input[name="disableCorrect"]').change();

							$('input[name="showPointsInBox"]').attr( 'disabled', false);
						} else {
							$('.classic_answer .wpProQuiz_classCorrect').parent().parent().show();
							$('input[name="disableCorrect"]').attr('disabled', 'disabled');
							
							$('input[name="showPointsInBox"]').attr( 'disabled', true);
						}
					}).change();

					$('select[name="category"]').on( 'change', function() {
						var $this = $(this);
						var box = $('#categoryAddBox').hide();


						if($this.val() == "-1") {
							box.show();
						}

					}).change();

					$('#categoryAddBtn').on( 'click', function() {
						methode.addCategory();
					});

					$('.addMedia').on( 'click', methode.addMediaClick);

					$('input[name="answerPointsDiffModusActivated"]').on( 'change', function() {
						global.displayChecked(this, $('input[name="disableCorrect"]'), true, true);

						if(this.checked)
							$('input[name="disableCorrect"]').change();
						else
							$('.classic_answer .wpProQuiz_classCorrect').parent().parent().show();
					}).change();

					$('input[name="disableCorrect"]').on( 'change', function() {
						global.displayChecked(this, $('.classic_answer .wpProQuiz_classCorrect').parent().parent(), true);
					}).change();

					$('#clickPointDia').on( 'click', function() {
						$('.pointDia').toggle('fast');

						return false;
					});

					$('input[name="template"]').on( 'click', function(e) {
						if($('select[name="templateSaveList"]').val() == '0') {
							if(global.isEmpty($('input[name="templateName"]').val())) {
								alert(wpProQuizLocalize.temploate_no_name);

								e.preventDefault();
								return false;
							}
						}

						methode.generateArrayIndex();
					});

					$('select[name="templateSaveList"]').on( 'change', function() {
						var $templateName = $('input[name="templateName"]');

						if($(this).val() == '0') {
							$templateName.show();
						} else {
							$templateName.hide();
						}
					}).change();
				};

				var init = function() {
					elements.answerChildren.hide();

					formListener();
				};

				init();
			},

			statistic: function() {

				var methode = this;

				var quizId = $('#quizId').val();

				var currentTab = 'users';

				var elements = {
					currentPage: $('#wpProQuiz_currentPage'),
					pageLeft: $('#wpProQuiz_pageLeft'),
					pageRight: $('#wpProQuiz_pageRight'),
					testSelect: $('#testSelect')

				};

				methode = {
					loadStatistic: function(userId, callback) {
						var data = {
							userId: userId
						};

						global.ajaxPost('statisticLoad', data, function(json) {

						});
					},

					loadUsersStatistic: function() {
						var userId = $('#userSelect').val();

						var data = {
							userId: userId,
							quizId: quizId,
							testId: $('#testSelect').val()
						};

						methode.toggleLoadBox(false);

						global.ajaxPost('statisticLoad', data, function(json) {
							$.each(json.question, function() {
								var $tr = $('#wpProQuiz_tr_' + this.questionId);

								methode.setStatisticData($tr, this);
							});

							$.each(json.category, function(i, v) {
								var $tr = $('#wpProQuiz_ctr_' + i);

								methode.setStatisticData($tr, v);
							});

							$('#testSelect option:gt(0)').remove();
							var $testSelect = $('#testSelect');

							$.each(json.tests, function() {
								var $option = $(document.createElement('option'));

								$option.val(this.id);
								$option.text(this.date);

								if(json.testId == this.id)
									$option.attr('selected', true);

								$testSelect.append($option);
							});

							methode.parseFormData(json.formData);

							methode.toggleLoadBox(true);
						});
					},

					loadUsersStatistic_: function(userId, testId) {

						var data = {
							userId: userId,
							quizId: quizId,
							testId: testId
						};

						methode.toggleLoadBox(false);

						global.ajaxPost('statisticLoad', data, function(json) {
							$.each(json.question, function() {
								var $tr = $('#wpProQuiz_tr_' + this.questionId);

								methode.setStatisticData($tr, this);
							});

							$.each(json.category, function(i, v) {
								var $tr = $('#wpProQuiz_ctr_' + i);

								methode.setStatisticData($tr, v);
							});

							$('#testSelect option:gt(0)').remove();
							var $testSelect = $('#testSelect');

							$.each(json.tests, function() {
								var $option = $(document.createElement('option'));

								$option.val(this.id);
								$option.text(this.date);

								if(json.testId == this.id)
									$option.attr('selected', true);

								$testSelect.append($option);
							});

							methode.parseFormData(json.formData);

							$('#userSelect').val(userId);
							$('#testSelect').val(testId);

							methode.toggleLoadBox(true);
						});
					},

					parseFormData: function(data) {
						var $formBox = $('#wpProQuiz_form_box');

						if(data == null) {
							$formBox.hide();
							return;
						}

						$.each(data, function(i, v) {
							$('#form_id_' + i).text(v);
						});

						$formBox.show();
					},

					setStatisticData: function($o, v) {
						$o.find('.wpProQuiz_cCorrect').text(v.correct);
						$o.find('.wpProQuiz_cIncorrect').text(v.incorrect);
						$o.find('.wpProQuiz_cTip').text(v.hint);
						$o.find('.wpProQuiz_cPoints').text(v.points);
						$o.find('.wpProQuiz_cResult').text(v.result);
						$o.find('.wpProQuiz_cTime').text(v.questionTime);
						$o.find('.wpProQuiz_cCreateTime').text(v.date);
					},

					toggleLoadBox: function(show) {
						var $loadBox = $('#wpProQuiz_loadData');
						var $content = $('#wpProQuiz_content');

						if(show) {
							$loadBox.hide();
							$content.show();
						} else {
							$content.hide();
							$loadBox.show();
						}
					},

					reset: function(type) {
						var userId = $('#userSelect').val();

						if(!confirm(wpProQuizLocalize.reset_statistics_msg)) {
							return;
						}

						var data = {
							quizId: quizId,
							userId: userId,
							testId: elements.testSelect.val(),
							type: type
						};

						methode.toggleLoadBox(false);

						global.ajaxPost('statisticReset', data, function() {
							methode.loadUsersStatistic();
						});
					},

					loadStatisticOverview: function(nav) {

						var data = {
							quizId: quizId,
							pageLimit: $('#wpProQuiz_pageLimit').val(),
							onlyCompleted: Number($('#wpProQuiz_onlyCompleted').is(':checked')),
							page: elements.currentPage.val(),
							nav: Number(nav)
						};

						methode.toggleLoadBox(false);

						global.ajaxPost('statisticLoadOverview', data, function(json) {
							var $body = $('#wpProQuiz_statistics_overview_data');
							var $tr = $body.children();
							var $c = $tr.first().clone();

							$tr.slice(1).remove();

							$.each(json.items, function() {
								var clone = $c.clone();

								methode.setStatisticData(clone, this);

								clone.find('a').text(this.userName).data('userId', this.userId).on( 'click', function() {
									$('#userSelect').val($(this).data('userId'));

									$('#wpProQuiz_typeUser').click();

									return false;
								});

								clone.show().appendTo($body);
							});

							$c.remove();

							methode.toggleLoadBox(true);

							if(json.page != undefined)
								methode.handleNav(json.page);
						});

					},

					handleNav: function(nav) {
						var $p = $('#wpProQuiz_currentPage').empty();

						for(var i = 1; i <= nav; i++) {
							$(document.createElement('option'))
								.val(i)
								.text(i)
								.appendTo($p);
						}

						methode.checkNavBar();
					},

					checkNavBar: function() {
						var n = elements.currentPage.val();

						if(n == 1) {
							elements.pageLeft.hide();
						} else {
							elements.pageLeft.show();
						}

						if(n == elements.currentPage.children().length) {
							elements.pageRight.hide();
						} else {
							elements.pageRight.show();
						}
					},

					refresh: function() {
						if(currentTab == 'users') {
							methode.loadUsersStatistic();
						} else if(currentTab == 'formOverview') {
							methode.loadFormsOverview(true);
						} else {
							methode.loadStatisticOverview(true);
						}
					},

					loadFormsOverview: function(nav) {
						var data = {
							quizId: quizId,
							pageLimit: $('#wpProQuiz_fromPageLimit').val(),
							onlyUser: $('#wpProQuiz_formUser').val(),
							page: $('#wpProQuiz_formCurrentPage').val(),
							nav: Number(nav)
						};

						methode.toggleLoadBox(false);

						global.ajaxPost('statisticLoadFormOverview', data, function(json) {
							var $body = $('#wpProQuiz_statistics_form_data');
							var $tr = $body.children();
							var $c = $tr.first().clone();

							$tr.slice(1).remove();

							$.each(json.items, function() {
								var clone = $c.clone();

								methode.setStatisticData(clone, this);

								clone.find('a').text(this.userName).data('userId', this.userId).data('testId', this.testId).on( 'click', function() {
									methode.switchTabOnLoad('users');
									methode.loadUsersStatistic_($(this).data('userId'), $(this).data('testId'));

									return false;
								});

								clone.show().appendTo($body);
							});

							$c.remove();

							methode.toggleLoadBox(true);

							if(json.page != undefined)
								methode.handleFormNav(json.page);
						});
					},

					handleFormNav: function(nav) {
						var $p = $('#wpProQuiz_formCurrentPage').empty();

						for(var i = 1; i <= nav; i++) {
							$(document.createElement('option'))
								.val(i)
								.text(i)
								.appendTo($p);
						}

						methode.checkFormNavBar();
					},

					checkFormNavBar: function() {
						var n = $('#wpProQuiz_formCurrentPage').val();


						if(n == 1) {
							$('#wpProQuiz_formPageLeft').hide();
						} else {
							$('#wpProQuiz_formPageLeft').show();
						}

						if(n ==$('#wpProQuiz_formCurrentPage').children().length) {
							$('#wpProQuiz_formPageRight').hide();
						} else {
							$('#wpProQuiz_formPageRight').show();
						}
					},

					switchTabOnLoad: function(name) {
						$('.wpProQuiz_tab').removeClass('button-primary').addClass('button-secondary');
						$('.wpProQuiz_tabContent').hide();

						var $this = $('#wpProQuiz_typeOverview');

						if(name == 'users') {
							currentTab = 'users';
							$('#wpProQuiz_tabUsers').show();
							$this = $('#wpProQuiz_typeUser');
						} else if(name == 'formOverview') {
							currentTab = 'formOverview';
							$('#wpProQuiz_tabFormOverview').show();
							$this = $('#wpProQuiz_typeForm');
						} else {
							currentTab = 'overview';
							$('#wpProQuiz_tabOverview').show();
						}

						$this.removeClass('button-secondary').addClass('button-primary');
					}
				};

				var init = function() {

					$('#userSelect, #testSelect').on( 'change', function() {
						methode.loadUsersStatistic();
					});

					$('.wpProQuiz_update').on( 'click', function() {
						methode.refresh();
					});

					$('#wpProQuiz_reset').on( 'click', function() {
						methode.reset(0);
					});

					$('#wpProQuiz_resetUser').on( 'click', function() {
						methode.reset(1);
					});

					$('.wpProQuiz_resetComplete').on( 'click', function() {
						methode.reset(2);
					});

					$('.wpProQuiz_tab').on( 'click', function() {
						var $this = $(this);

						$('.wpProQuiz_tab').removeClass('button-primary').addClass('button-secondary');
						$this.removeClass('button-secondary').addClass('button-primary');
						$('.wpProQuiz_tabContent').hide();

						if($this.attr('id') == 'wpProQuiz_typeUser') {
							currentTab = 'users';
							$('#wpProQuiz_tabUsers').show();
							methode.loadUsersStatistic();
						} else if($this.attr('id') == 'wpProQuiz_typeForm') {
							currentTab = 'formOverview';
							$('#wpProQuiz_tabFormOverview').show();
							methode.loadFormsOverview(true);
						} else {
							currentTab = 'overview';
							$('#wpProQuiz_tabOverview').show();
							methode.loadStatisticOverview(true);
						}

						return false;
					});

					$('#wpProQuiz_onlyCompleted').on( 'change', function() {
						elements.currentPage.val(1);
						methode.loadStatisticOverview(true);
					});

					$('#wpProQuiz_pageLimit').on( 'change', function() {
						elements.currentPage.val(1);
						methode.loadStatisticOverview(true);
					});

					elements.pageLeft.on( 'click', function() {
						elements.currentPage.val(Number(elements.currentPage.val()) - 1);
						methode.loadStatisticOverview(false);
						methode.checkNavBar();
					});

					elements.pageRight.on( 'click', function() {
						elements.currentPage.val(Number(elements.currentPage.val()) + 1);
						methode.loadStatisticOverview(false);
						methode.checkNavBar();
					});

					elements.currentPage.on( 'change', function() {
						methode.loadStatisticOverview(false);
						methode.checkNavBar();
					});

					$('#wpProQuiz_formUser, #wpProQuiz_fromPageLimit').on( 'change', function() {
						$('#wpProQuiz_formCurrentPage').val(1);
						methode.loadFormsOverview(true);
					});

					$('#wpProQuiz_formPageLeft').on( 'click', function() {
						$('#wpProQuiz_formCurrentPage').val(Number(elements.currentPage.val()) - 1);
						methode.loadFormsOverview(false);
						methode.checkFormNavBar();
					});

					$('#wpProQuiz_formPageRight').on( 'click', function() {
						$('#wpProQuiz_formCurrentPage').val(Number(elements.currentPage.val()) + 1);
						methode.loadFormsOverview(false);
						methode.checkFormNavBar();
					});

					$('#wpProQuiz_formCurrentPage').on( 'change', function() {
						methode.loadFormsOverview(false);
						methode.checkFormNavBar();
					});

					methode.loadUsersStatistic();
				};

				init();
			},

			statisticNew: function() {
				var quizId = $('#quizId').val();
				var quiz = $('#quiz').val();
				var historyNavigator = null;
				var overviewNavigator = null;

				var historyFilter = {
					data: {
						quizId: quizId,
						quiz: quiz,
						users: -1,
						pageLimit: 100,
						dateFrom: 0,
						dateTo: 0,
						generateNav: 0
					},

					changeFilter: function() {
						var getTime = function(p) {
							var date = p.datepicker('getDate');

							return date === null ? 0 : date.getTime() / 1000;
						};

						var filter_users = $('#wpProQuiz_historyUser').val();

						if ((typeof filter_users === 'undefined') || (filter_users === '') || (filter_users === null) ) {
							filter_users = '-1';
						}

						$.extend(this.data, {
							users: filter_users,
							pageLimit: $('#wpProQuiz_historyPageLimit').val(),
							dateFrom: getTime($('#datepickerFrom')),
							dateTo: getTime($('#datepickerTo')),
							generateNav: 1
						});
						return this.data;
					}
				};

				var overviewFilter = {
					data: {
						pageLimit: 100,
						onlyCompleted: 0,
						generateNav: 0,
						quizId: quizId,
						quiz: quiz,
					},

					changeFilter: function() {
						$.extend(this.data, {
							pageLimit: $('#wpProQuiz_overviewPageLimit').val(),
							onlyCompleted: Number($('#wpProQuiz_overviewOnlyCompleted').is(':checked')),
							generateNav: 1
						});
					}
				};

				var deleteMethode = {
					deleteUserStatistic: function(refId, userId) {
						if(!confirm(wpProQuizLocalize.reset_statistics_msg))
							return false;

						var data = {
							refId: refId,
							userId: userId,
							quizId: quizId,
							type: 0
						};

						global.ajaxPost('statisticResetNew', data, function() {
							$('#wpProQuiz_user_overlay').hide();

							historyFilter.changeFilter();
							methode.loadHistoryAjax();

							overviewFilter.changeFilter();
							methode.loadOverviewAjax();

						});
					},

					deleteAll: function() {
						if(!confirm(wpProQuizLocalize.reset_statistics_msg))
							return false;

						var data = {
							quizId: quizId,
							type: 1
						};

						global.ajaxPost('statisticResetNew', data, function() {
							historyFilter.changeFilter();
							methode.loadHistoryAjax();

							overviewFilter.changeFilter();
							methode.loadOverviewAjax();
						});
					}
				};

				var methode = {
					loadHistoryAjax: function() {

						var data = $.extend({
							page: historyFilter.data.generateNav ? 1 : historyNavigator.getCurrentPage()
						}, historyFilter.data);

						methode.loadBox(true);
						var content = $('#wpProQuiz_historyLoadContext').hide();

						global.ajaxPost('statisticLoadHistory', data, function(json) {
							content.html(json.html).show();

							if(json.navi)
								historyNavigator.setNumPage(json.navi);

							historyFilter.data.generateNav = 0;

							content.find('.user_statistic').on( 'click', function() {
								methode.loadUserAjax(0, $(this).data('ref_id'), false);

								return false;
							});

							content.find('.wpProQuiz_delete').on( 'click', function() {
								deleteMethode.deleteUserStatistic($(this).parents('tr').find('.user_statistic').data('ref_id'), 0);

								return false;
							});

							methode.loadBox(false);
						});

					},

					loadUserAjax: function(userId, refId, avg) {
						$('#wpProQuiz_user_overlay, #wpProQuiz_loadUserData').show();

						var content = $('#wpProQuiz_user_content').hide();

						var data = {
							quizId: quizId,
							userId: userId,
							refId: refId,
							avg: Number(avg)
						};

						global.ajaxPost('statisticLoadUser', data, function(json) {
							content.html(json.html);

							content.find('.wpProQuiz_update').on( 'click', function() {
								methode.loadUserAjax(userId, refId, avg);

								return false;
							});

							content.find('#wpProQuiz_resetUserStatistic').on( 'click', function() {
								deleteMethode.deleteUserStatistic(refId, userId);
							});

							content.find('.statistic_data').on( 'click', function() {
								$(this).parents('tr').next().toggle('fast');

								return false;
							});

							$('#wpProQuiz_loadUserData').hide();
							jQuery('body').trigger('learndash-statistics-contentchanged');

							content.show();
						});

					},

					loadBox: function(show, contain) {
						if(show)
							$('#wpProQuiz_loadDataHistory').show();
						else
							$('#wpProQuiz_loadDataHistory').hide();

					},

					loadOverviewAjax: function() {
						var data = $.extend({
							page: overviewFilter.data.generateNav ? 1 : overviewNavigator.getCurrentPage()
						}, overviewFilter.data);

						$('#wpProQuiz_loadDataOverview').show();

						var content = $('#wpProQuiz_overviewLoadContext').hide();

						global.ajaxPost('statisticLoadOverviewNew', data, function(json) {
							content.html(json.html).show();

							if(json.navi)
								overviewNavigator.setNumPage(json.navi);

							overviewFilter.data.generateNav = 0;

							content.find('.user_statistic').on( 'click', function() {
								methode.loadUserAjax($(this).data('user_id'), 0, true);

								return false;
							});

							content.find('.wpProQuiz_delete').on( 'click', function() {
								deleteMethode.deleteUserStatistic(0, $(this).parents('tr').find('.user_statistic').data('user_id'));

								return false;
							});

							$('#wpProQuiz_loadDataOverview').hide();
						});
					},

					usersSelect2Ajax: function( el ) {
						var nonce = jQuery(el).data('nonce');

						if ((typeof nonce === 'undefined') || (nonce === '')) {
							return null;
						}
						
						// Trigger change when the selector is cleared.
						jQuery(el).on('select2:unselect', function (e) {
							jQuery(el).trigger('change');
						});

						return {
							url: learndash_admin_settings_data.ajaxurl,
							dataType: 'json',
							method: 'post',
							delay: 1500,
							cache: true,
							data: function (params) {
								return {
									'action': 'learndash_quiz_statistics_users_select2',
									'nonce': nonce || '',
									'search': params.term || '',
									'page': params.page || 1,
									'quiz_pro_id': $('input#quizId').val(),
									'quiz_post_id': $('input#quiz').val(),
								};
							},
							processResults: function (response, params) {
								params.page = params.page || 1;

								return {
									results: response.items,
									pagination: {
										more: (params.page < response.total_pages)
									}
								};
							},
						}
					}
				};


				var init = function() {
					
					historyNavigator = new Navigator($('#historyNavigation'), {
						onChange: function() {
							methode.loadHistoryAjax();
						}
					});

					overviewNavigator = new Navigator($('#overviewNavigation'), {
						onChange: function() {
							methode.loadOverviewAjax();
						}
					});

					if ( wpProQuizLocalize.select2_enabled) {
						if (jQuery('#wpProQuiz_tabHistory select#wpProQuiz_historyUser[data-ld-select2="1"]').length) {
							jQuery('#wpProQuiz_tabHistory select#wpProQuiz_historyUser[data-ld-select2="1"]').each(function (idx, item) {

								var select2_args = learndash_get_base_select2_args();
								select2_args.width = 'auto';

								var placeholder = jQuery(item).attr('placeholder');
								if ((typeof placeholder === 'undefined') || (placeholder === '')) {
									placeholder = jQuery("option[value='']", item).text();
								}
								if ((typeof placeholder === 'undefined') || (placeholder === '')) {
									placeholder = 'Select an option';
								}
								select2_args.placeholder = placeholder;

								if ( wpProQuizLocalize.select2_fetch_enabled) {
									select2_args.ajax = methode.usersSelect2Ajax(item);
								}

								jQuery(item).select2(select2_args);							
							});
						}
					}


					if (($('#datepickerFrom').length) || ($('#datepickerTo').length)) {

						// Wait until the #ui-datepicker-div element is added to the DOM
						$(document).on('DOMNodeInserted', function(e) {
							if (e.target.id == 'ui-datepicker-div') {
								$('#ui-datepicker-div').addClass('learndash-datepicker');
							}
						});

						$('#datepickerFrom').datepicker({
						    closeText: wpProQuizLocalize.closeText,
						    currentText: wpProQuizLocalize.currentText,
						    monthNames: wpProQuizLocalize.monthNames,
						    monthNamesShort: wpProQuizLocalize.monthNamesShort,
						    dayNames: wpProQuizLocalize.dayNames,
						    dayNamesShort: wpProQuizLocalize.dayNamesShort,
						    dayNamesMin: wpProQuizLocalize.dayNamesMin,
						    dateFormat: wpProQuizLocalize.dateFormat,
						    firstDay: wpProQuizLocalize.firstDay,

							changeMonth: true,
							onClose: function(selectedDate) {
								$('#datepickerTo').datepicker('option', 'minDate', selectedDate);
							}
						});

						$('#datepickerTo').datepicker({
						    closeText: wpProQuizLocalize.closeText,
						    currentText: wpProQuizLocalize.currentText,
						    monthNames: wpProQuizLocalize.monthNames,
						    monthNamesShort: wpProQuizLocalize.monthNamesShort,
						    dayNames: wpProQuizLocalize.dayNames,
						    dayNamesShort: wpProQuizLocalize.dayNamesShort,
						    dayNamesMin: wpProQuizLocalize.dayNamesMin,
						    dateFormat: wpProQuizLocalize.dateFormat,
						    firstDay: wpProQuizLocalize.firstDay,

							changeMonth: true,
							onClose: function(selectedDate) {
								$('#datepickerFrom').datepicker('option', 'maxDate', selectedDate);
							}
						});
					}

					$('#filter').on( 'click', function() {
						historyFilter.changeFilter();
						methode.loadHistoryAjax();
					});

					$('#wpProQuiz_overlay_close').on( 'click', function() {
						$('#wpProQuiz_user_overlay').hide();
					});

					$('#wpProQuiz_tabHistory .wpProQuiz_update').on( 'click', function() {
						historyFilter.changeFilter();
						methode.loadHistoryAjax();

						return false;
					});

					$('#wpProQuiz_tabOverview .wpProQuiz_update').on( 'click', function() {
						overviewFilter.changeFilter();
						methode.loadOverviewAjax();

						return false;
					});

					$('.wpProQuiz_resetComplete').on( 'click', function() {
						deleteMethode.deleteAll();

						return false;
					});

					$('#overviewFilter').on( 'click', function() {
						overviewFilter.changeFilter();
						methode.loadOverviewAjax();
					});

					historyFilter.changeFilter();
					methode.loadHistoryAjax();

					overviewFilter.changeFilter();
					methode.loadOverviewAjax();
				};

				init();
			}
		};

		var init = function() {
			tabWrapper();

			var m = $.noop;
			if (($('.wpProQuiz_questionEdit').length) || ($('body.learndash-post-type.sfwd-question').length)) {
				m = module.questionEdit;
			} else if($('.wpProQuiz_globalSettings').length) {
				m = module.gobalSettings;
			} else if($('.wpProQuiz_statistics').length) {
				m = module.statistic;
			} else if($('.wpProQuiz_statisticsNew').length) {
				m = module.statisticNew;
			}

			m();

			$('.wpProQuiz_demoImgBox a').mouseover(function(e) {
				var $this = $(this);
				var d = $(document).width();
				var img = $this.siblings().outerWidth(true);

				if(e.pageX + img > d) {
						var v = d - (e.pageX + img + 30);
						$(this).next().css('left', v + "px");
				}

				$(this).next().show();

			}).mouseout(function() {
				$(this).next().hide();
			}).on( 'click', function() {
				return false;
			});
		};

		init();
	}

	WpProQuiz_Admin();

	function Navigator(obj, option) {
		var defaultOption = {
			onChange: null
		};

		var elements = {
			contain: null,
			pageLeft: null,
			pageRight: null,
			currentPage: null
		};

		var checkNavBar = function() {
			var num = elements.currentPage.children().length;
			var cur = Number(elements.currentPage.val());

			elements.pageLeft.hide();
			elements.pageRight.hide();

			if(cur > 1)
				elements.pageLeft.show();

			if((cur + 1) <= num)
				elements.pageRight.show();
		};

		var init = function() {
			$.extend(elements, {
				contain: obj,
				pageLeft: obj.find('.navigationLeft'),
				pageRight: obj.find('.navigationRight'),
				currentPage: obj.find('.navigationCurrentPage')
			});

			$.extend(defaultOption, option);

			elements.pageLeft.on( 'click', function() {
				elements.currentPage.val(Number(elements.currentPage.val()) - 1);
				checkNavBar();

				if(defaultOption.onChange)
					defaultOption.onChange(elements.currentPage.val());
			});

			elements.pageRight.on( 'click', function() {
				elements.currentPage.val(Number(elements.currentPage.val()) + 1);
				checkNavBar();

				if(defaultOption.onChange)
					defaultOption.onChange(elements.currentPage.val());
			});

			elements.currentPage.on( 'change', function() {
				checkNavBar();

				if(defaultOption.onChange)
					defaultOption.onChange(elements.currentPage.val());
			});
		};

		this.getCurrentPage = function() {
			return elements.currentPage.val();
		}

		this.setNumPage = function(num) {
			elements.currentPage.empty();

			for(var i = 1; i <= num; i++) {
				$(document.createElement('option'))
					.val(i)
					.text(i)
					.appendTo(elements.currentPage);
			}

			checkNavBar();
		}

		init();
	}
});
