/*! jQuery UI - v1.12.1 - 2017-05-10
 * http://jqueryui.com
 * Includes: widget.js, data.js, scroll-parent.js, widgets/sortable.js, widgets/mouse.js
 * Copyright jQuery Foundation and other contributors; Licensed MIT */

(function (t) {
    "function" == typeof define && define.amd ? define(["jquery"], t) : t(jQuery)
})(function (t) {
    t.ui = t.ui || {}, t.ui.version = "1.12.1";
    var e = 0, i = Array.prototype.slice;
    t.cleanData = function (e) {
        return function (i) {
            var s, n, o;
            for (o = 0; null != (n = i[o]); o++)try {
                s = t._data(n, "events"), s && s.remove && t(n).triggerHandler("remove")
            } catch (a) {
            }
            e(i)
        }
    }(t.cleanData), t.widget = function (e, i, s) {
        var n, o, a, r = {}, l = e.split(".")[0];
        e = e.split(".")[1];
        var h = l + "-" + e;
        return s || (s = i, i = t.Widget), t.isArray(s) && (s = t.extend.apply(null, [{}].concat(s))), t.expr[":"][h.toLowerCase()] = function (e) {
            return !!t.data(e, h)
        }, t[l] = t[l] || {}, n = t[l][e], o = t[l][e] = function (t, e) {
            return this._createWidget ? (arguments.length && this._createWidget(t, e), void 0) : new o(t, e)
        }, t.extend(o, n, {
            version: s.version,
            _proto: t.extend({}, s),
            _childConstructors: []
        }), a = new i, a.options = t.widget.extend({}, a.options), t.each(s, function (e, s) {
            return t.isFunction(s) ? (r[e] = function () {
                function t() {
                    return i.prototype[e].apply(this, arguments)
                }

                function n(t) {
                    return i.prototype[e].apply(this, t)
                }

                return function () {
                    var e, i = this._super, o = this._superApply;
                    return this._super = t, this._superApply = n, e = s.apply(this, arguments), this._super = i, this._superApply = o, e
                }
            }(), void 0) : (r[e] = s, void 0)
        }), o.prototype = t.widget.extend(a, {widgetEventPrefix: n ? a.widgetEventPrefix || e : e}, r, {
            constructor: o,
            namespace: l,
            widgetName: e,
            widgetFullName: h
        }), n ? (t.each(n._childConstructors, function (e, i) {
            var s = i.prototype;
            t.widget(s.namespace + "." + s.widgetName, o, i._proto)
        }), delete n._childConstructors) : i._childConstructors.push(o), t.widget.bridge(e, o), o
    }, t.widget.extend = function (e) {
        for (var s, n, o = i.call(arguments, 1), a = 0, r = o.length; r > a; a++)for (s in o[a])n = o[a][s], o[a].hasOwnProperty(s) && void 0 !== n && (e[s] = t.isPlainObject(n) ? t.isPlainObject(e[s]) ? t.widget.extend({}, e[s], n) : t.widget.extend({}, n) : n);
        return e
    }, t.widget.bridge = function (e, s) {
        var n = s.prototype.widgetFullName || e;
        t.fn[e] = function (o) {
            var a = "string" == typeof o, r = i.call(arguments, 1), l = this;
            return a ? this.length || "instance" !== o ? this.each(function () {
                var i, s = t.data(this, n);
                return "instance" === o ? (l = s, !1) : s ? t.isFunction(s[o]) && "_" !== o.charAt(0) ? (i = s[o].apply(s, r), i !== s && void 0 !== i ? (l = i && i.jquery ? l.pushStack(i.get()) : i, !1) : void 0) : t.error("no such method '" + o + "' for " + e + " widget instance") : t.error("cannot call methods on " + e + " prior to initialization; " + "attempted to call method '" + o + "'")
            }) : l = void 0 : (r.length && (o = t.widget.extend.apply(null, [o].concat(r))), this.each(function () {
                var e = t.data(this, n);
                e ? (e.option(o || {}), e._init && e._init()) : t.data(this, n, new s(o, this))
            })), l
        }
    }, t.Widget = function () {
    }, t.Widget._childConstructors = [], t.Widget.prototype = {
        widgetName: "widget",
        widgetEventPrefix: "",
        defaultElement: "<div>",
        options: {classes: {}, disabled: !1, create: null},
        _createWidget: function (i, s) {
            s = t(s || this.defaultElement || this)[0], this.element = t(s), this.uuid = e++, this.eventNamespace = "." + this.widgetName + this.uuid, this.bindings = t(), this.hoverable = t(), this.focusable = t(), this.classesElementLookup = {}, s !== this && (t.data(s, this.widgetFullName, this), this._on(!0, this.element, {
                remove: function (t) {
                    t.target === s && this.destroy()
                }
            }), this.document = t(s.style ? s.ownerDocument : s.document || s), this.window = t(this.document[0].defaultView || this.document[0].parentWindow)), this.options = t.widget.extend({}, this.options, this._getCreateOptions(), i), this._create(), this.options.disabled && this._setOptionDisabled(this.options.disabled), this._trigger("create", null, this._getCreateEventData()), this._init()
        },
        _getCreateOptions: function () {
            return {}
        },
        _getCreateEventData: t.noop,
        _create: t.noop,
        _init: t.noop,
        destroy: function () {
            var e = this;
            this._destroy(), t.each(this.classesElementLookup, function (t, i) {
                e._removeClass(i, t)
            }), this.element.off(this.eventNamespace).removeData(this.widgetFullName), this.widget().off(this.eventNamespace).removeAttr("aria-disabled"), this.bindings.off(this.eventNamespace)
        },
        _destroy: t.noop,
        widget: function () {
            return this.element
        },
        option: function (e, i) {
            var s, n, o, a = e;
            if (0 === arguments.length)return t.widget.extend({}, this.options);
            if ("string" == typeof e)if (a = {}, s = e.split("."), e = s.shift(), s.length) {
                for (n = a[e] = t.widget.extend({}, this.options[e]), o = 0; s.length - 1 > o; o++)n[s[o]] = n[s[o]] || {}, n = n[s[o]];
                if (e = s.pop(), 1 === arguments.length)return void 0 === n[e] ? null : n[e];
                n[e] = i
            } else {
                if (1 === arguments.length)return void 0 === this.options[e] ? null : this.options[e];
                a[e] = i
            }
            return this._setOptions(a), this
        },
        _setOptions: function (t) {
            var e;
            for (e in t)this._setOption(e, t[e]);
            return this
        },
        _setOption: function (t, e) {
            return "classes" === t && this._setOptionClasses(e), this.options[t] = e, "disabled" === t && this._setOptionDisabled(e), this
        },
        _setOptionClasses: function (e) {
            var i, s, n;
            for (i in e)n = this.classesElementLookup[i], e[i] !== this.options.classes[i] && n && n.length && (s = t(n.get()), this._removeClass(n, i), s.addClass(this._classes({
                element: s,
                keys: i,
                classes: e,
                add: !0
            })))
        },
        _setOptionDisabled: function (t) {
            this._toggleClass(this.widget(), this.widgetFullName + "-disabled", null, !!t), t && (this._removeClass(this.hoverable, null, "ui-state-hover"), this._removeClass(this.focusable, null, "ui-state-focus"))
        },
        enable: function () {
            return this._setOptions({disabled: !1})
        },
        disable: function () {
            return this._setOptions({disabled: !0})
        },
        _classes: function (e) {
            function i(i, o) {
                var a, r;
                for (r = 0; i.length > r; r++)a = n.classesElementLookup[i[r]] || t(), a = e.add ? t(t.unique(a.get().concat(e.element.get()))) : t(a.not(e.element).get()), n.classesElementLookup[i[r]] = a, s.push(i[r]), o && e.classes[i[r]] && s.push(e.classes[i[r]])
            }

            var s = [], n = this;
            return e = t.extend({
                element: this.element,
                classes: this.options.classes || {}
            }, e), this._on(e.element, {remove: "_untrackClassesElement"}), e.keys && i(e.keys.match(/\S+/g) || [], !0), e.extra && i(e.extra.match(/\S+/g) || []), s.join(" ")
        },
        _untrackClassesElement: function (e) {
            var i = this;
            t.each(i.classesElementLookup, function (s, n) {
                -1 !== t.inArray(e.target, n) && (i.classesElementLookup[s] = t(n.not(e.target).get()))
            })
        },
        _removeClass: function (t, e, i) {
            return this._toggleClass(t, e, i, !1)
        },
        _addClass: function (t, e, i) {
            return this._toggleClass(t, e, i, !0)
        },
        _toggleClass: function (t, e, i, s) {
            s = "boolean" == typeof s ? s : i;
            var n = "string" == typeof t || null === t,
                o = {extra: n ? e : i, keys: n ? t : e, element: n ? this.element : t, add: s};
            return o.element.toggleClass(this._classes(o), s), this
        },
        _on: function (e, i, s) {
            var n, o = this;
            "boolean" != typeof e && (s = i, i = e, e = !1), s ? (i = n = t(i), this.bindings = this.bindings.add(i)) : (s = i, i = this.element, n = this.widget()), t.each(s, function (s, a) {
                function r() {
                    return e || o.options.disabled !== !0 && !t(this).hasClass("ui-state-disabled") ? ("string" == typeof a ? o[a] : a).apply(o, arguments) : void 0
                }

                "string" != typeof a && (r.guid = a.guid = a.guid || r.guid || t.guid++);
                var l = s.match(/^([\w:-]*)\s*(.*)$/), h = l[1] + o.eventNamespace, c = l[2];
                c ? n.on(h, c, r) : i.on(h, r)
            })
        },
        _off: function (e, i) {
            i = (i || "").split(" ").join(this.eventNamespace + " ") + this.eventNamespace, e.off(i).off(i), this.bindings = t(this.bindings.not(e).get()), this.focusable = t(this.focusable.not(e).get()), this.hoverable = t(this.hoverable.not(e).get())
        },
        _delay: function (t, e) {
            function i() {
                return ("string" == typeof t ? s[t] : t).apply(s, arguments)
            }

            var s = this;
            return setTimeout(i, e || 0)
        },
        _hoverable: function (e) {
            this.hoverable = this.hoverable.add(e), this._on(e, {
                mouseenter: function (e) {
                    this._addClass(t(e.currentTarget), null, "ui-state-hover")
                }, mouseleave: function (e) {
                    this._removeClass(t(e.currentTarget), null, "ui-state-hover")
                }
            })
        },
        _focusable: function (e) {
            this.focusable = this.focusable.add(e), this._on(e, {
                focusin: function (e) {
                    this._addClass(t(e.currentTarget), null, "ui-state-focus")
                }, focusout: function (e) {
                    this._removeClass(t(e.currentTarget), null, "ui-state-focus")
                }
            })
        },
        _trigger: function (e, i, s) {
            var n, o, a = this.options[e];
            if (s = s || {}, i = t.Event(i), i.type = (e === this.widgetEventPrefix ? e : this.widgetEventPrefix + e).toLowerCase(), i.target = this.element[0], o = i.originalEvent)for (n in o)n in i || (i[n] = o[n]);
            return this.element.trigger(i, s), !(t.isFunction(a) && a.apply(this.element[0], [i].concat(s)) === !1 || i.isDefaultPrevented())
        }
    }, t.each({show: "fadeIn", hide: "fadeOut"}, function (e, i) {
        t.Widget.prototype["_" + e] = function (s, n, o) {
            "string" == typeof n && (n = {effect: n});
            var a, r = n ? n === !0 || "number" == typeof n ? i : n.effect || i : e;
            n = n || {}, "number" == typeof n && (n = {duration: n}), a = !t.isEmptyObject(n), n.complete = o, n.delay && s.delay(n.delay), a && t.effects && t.effects.effect[r] ? s[e](n) : r !== e && s[r] ? s[r](n.duration, n.easing, o) : s.queue(function (i) {
                t(this)[e](), o && o.call(s[0]), i()
            })
        }
    }), t.widget, t.extend(t.expr[":"], {
        data: t.expr.createPseudo ? t.expr.createPseudo(function (e) {
            return function (i) {
                return !!t.data(i, e)
            }
        }) : function (e, i, s) {
            return !!t.data(e, s[3])
        }
    }), t.fn.scrollParent = function (e) {
        var i = this.css("position"), s = "absolute" === i, n = e ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
            o = this.parents().filter(function () {
                var e = t(this);
                return s && "static" === e.css("position") ? !1 : n.test(e.css("overflow") + e.css("overflow-y") + e.css("overflow-x"))
            }).eq(0);
        return "fixed" !== i && o.length ? o : t(this[0].ownerDocument || document)
    }, t.ui.ie = !!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase());
    var s = !1;
    t(document).on("mouseup", function () {
        s = !1
    }), t.widget("ui.mouse", {
        version: "1.12.1",
        options: {cancel: "input, textarea, button, select, option", distance: 1, delay: 0},
        _mouseInit: function () {
            var e = this;
            this.element.on("mousedown." + this.widgetName, function (t) {
                return e._mouseDown(t)
            }).on("click." + this.widgetName, function (i) {
                return !0 === t.data(i.target, e.widgetName + ".preventClickEvent") ? (t.removeData(i.target, e.widgetName + ".preventClickEvent"), i.stopImmediatePropagation(), !1) : void 0
            }), this.started = !1
        },
        _mouseDestroy: function () {
            this.element.off("." + this.widgetName), this._mouseMoveDelegate && this.document.off("mousemove." + this.widgetName, this._mouseMoveDelegate).off("mouseup." + this.widgetName, this._mouseUpDelegate)
        },
        _mouseDown: function (e) {
            if (!s) {
                this._mouseMoved = !1, this._mouseStarted && this._mouseUp(e), this._mouseDownEvent = e;
                var i = this, n = 1 === e.which,
                    o = "string" == typeof this.options.cancel && e.target.nodeName ? t(e.target).closest(this.options.cancel).length : !1;
                return n && !o && this._mouseCapture(e) ? (this.mouseDelayMet = !this.options.delay, this.mouseDelayMet || (this._mouseDelayTimer = setTimeout(function () {
                    i.mouseDelayMet = !0
                }, this.options.delay)), this._mouseDistanceMet(e) && this._mouseDelayMet(e) && (this._mouseStarted = this._mouseStart(e) !== !1, !this._mouseStarted) ? (e.preventDefault(), !0) : (!0 === t.data(e.target, this.widgetName + ".preventClickEvent") && t.removeData(e.target, this.widgetName + ".preventClickEvent"), this._mouseMoveDelegate = function (t) {
                    return i._mouseMove(t)
                }, this._mouseUpDelegate = function (t) {
                    return i._mouseUp(t)
                }, this.document.on("mousemove." + this.widgetName, this._mouseMoveDelegate).on("mouseup." + this.widgetName, this._mouseUpDelegate), e.preventDefault(), s = !0, !0)) : !0
            }
        },
        _mouseMove: function (e) {
            if (this._mouseMoved) {
                if (t.ui.ie && (!document.documentMode || 9 > document.documentMode) && !e.button)return this._mouseUp(e);
                if (!e.which)if (e.originalEvent.altKey || e.originalEvent.ctrlKey || e.originalEvent.metaKey || e.originalEvent.shiftKey) this.ignoreMissingWhich = !0; else if (!this.ignoreMissingWhich)return this._mouseUp(e)
            }
            return (e.which || e.button) && (this._mouseMoved = !0), this._mouseStarted ? (this._mouseDrag(e), e.preventDefault()) : (this._mouseDistanceMet(e) && this._mouseDelayMet(e) && (this._mouseStarted = this._mouseStart(this._mouseDownEvent, e) !== !1, this._mouseStarted ? this._mouseDrag(e) : this._mouseUp(e)), !this._mouseStarted)
        },
        _mouseUp: function (e) {
            this.document.off("mousemove." + this.widgetName, this._mouseMoveDelegate).off("mouseup." + this.widgetName, this._mouseUpDelegate), this._mouseStarted && (this._mouseStarted = !1, e.target === this._mouseDownEvent.target && t.data(e.target, this.widgetName + ".preventClickEvent", !0), this._mouseStop(e)), this._mouseDelayTimer && (clearTimeout(this._mouseDelayTimer), delete this._mouseDelayTimer), this.ignoreMissingWhich = !1, s = !1, e.preventDefault()
        },
        _mouseDistanceMet: function (t) {
            return Math.max(Math.abs(this._mouseDownEvent.pageX - t.pageX), Math.abs(this._mouseDownEvent.pageY - t.pageY)) >= this.options.distance
        },
        _mouseDelayMet: function () {
            return this.mouseDelayMet
        },
        _mouseStart: function () {
        },
        _mouseDrag: function () {
        },
        _mouseStop: function () {
        },
        _mouseCapture: function () {
            return !0
        }
    }), t.widget("ui.sortable", t.ui.mouse, {
        version: "1.12.1",
        widgetEventPrefix: "sort",
        ready: !1,
        options: {
            appendTo: "parent",
            axis: !1,
            connectWith: !1,
            containment: !1,
            cursor: "auto",
            cursorAt: !1,
            dropOnEmpty: !0,
            forcePlaceholderSize: !1,
            forceHelperSize: !1,
            grid: !1,
            handle: !1,
            helper: "original",
            items: "> *",
            opacity: !1,
            placeholder: !1,
            revert: !1,
            scroll: !0,
            scrollSensitivity: 20,
            scrollSpeed: 20,
            scope: "default",
            tolerance: "intersect",
            zIndex: 1e3,
            activate: null,
            beforeStop: null,
            change: null,
            deactivate: null,
            out: null,
            over: null,
            receive: null,
            remove: null,
            sort: null,
            start: null,
            stop: null,
            update: null
        },
        _isOverAxis: function (t, e, i) {
            return t >= e && e + i > t
        },
        _isFloating: function (t) {
            return /left|right/.test(t.css("float")) || /inline|table-cell/.test(t.css("display"))
        },
        _create: function () {
            this.containerCache = {}, this._addClass("ui-sortable"), this.refresh(), this.offset = this.element.offset(), this._mouseInit(), this._setHandleClassName(), this.ready = !0
        },
        _setOption: function (t, e) {
            this._super(t, e), "handle" === t && this._setHandleClassName()
        },
        _setHandleClassName: function () {
            var e = this;
            this._removeClass(this.element.find(".ui-sortable-handle"), "ui-sortable-handle"), t.each(this.items, function () {
                e._addClass(this.instance.options.handle ? this.item.find(this.instance.options.handle) : this.item, "ui-sortable-handle")
            })
        },
        _destroy: function () {
            this._mouseDestroy();
            for (var t = this.items.length - 1; t >= 0; t--)this.items[t].item.removeData(this.widgetName + "-item");
            return this
        },
        _mouseCapture: function (e, i) {
            var s = null, n = !1, o = this;
            return this.reverting ? !1 : this.options.disabled || "static" === this.options.type ? !1 : (this._refreshItems(e), t(e.target).parents().each(function () {
                return t.data(this, o.widgetName + "-item") === o ? (s = t(this), !1) : void 0
            }), t.data(e.target, o.widgetName + "-item") === o && (s = t(e.target)), s ? !this.options.handle || i || (t(this.options.handle, s).find("*").addBack().each(function () {
                this === e.target && (n = !0)
            }), n) ? (this.currentItem = s, this._removeCurrentsFromItems(), !0) : !1 : !1)
        },
        _mouseStart: function (e, i, s) {
            var n, o, a = this.options;
            if (this.currentContainer = this, this.refreshPositions(), this.helper = this._createHelper(e), this._cacheHelperProportions(), this._cacheMargins(), this.scrollParent = this.helper.scrollParent(), this.offset = this.currentItem.offset(), this.offset = {
                    top: this.offset.top - this.margins.top,
                    left: this.offset.left - this.margins.left
                }, t.extend(this.offset, {
                    click: {left: e.pageX - this.offset.left, top: e.pageY - this.offset.top},
                    parent: this._getParentOffset(),
                    relative: this._getRelativeOffset()
                }), this.helper.css("position", "absolute"), this.cssPosition = this.helper.css("position"), this.originalPosition = this._generatePosition(e), this.originalPageX = e.pageX, this.originalPageY = e.pageY, a.cursorAt && this._adjustOffsetFromHelper(a.cursorAt), this.domPosition = {
                    prev: this.currentItem.prev()[0],
                    parent: this.currentItem.parent()[0]
                }, this.helper[0] !== this.currentItem[0] && this.currentItem.hide(), this._createPlaceholder(), a.containment && this._setContainment(), a.cursor && "auto" !== a.cursor && (o = this.document.find("body"), this.storedCursor = o.css("cursor"), o.css("cursor", a.cursor), this.storedStylesheet = t("<style>*{ cursor: " + a.cursor + " !important; }</style>").appendTo(o)), a.opacity && (this.helper.css("opacity") && (this._storedOpacity = this.helper.css("opacity")), this.helper.css("opacity", a.opacity)), a.zIndex && (this.helper.css("zIndex") && (this._storedZIndex = this.helper.css("zIndex")), this.helper.css("zIndex", a.zIndex)), this.scrollParent[0] !== this.document[0] && "HTML" !== this.scrollParent[0].tagName && (this.overflowOffset = this.scrollParent.offset()), this._trigger("start", e, this._uiHash()), this._preserveHelperProportions || this._cacheHelperProportions(), !s)for (n = this.containers.length - 1; n >= 0; n--)this.containers[n]._trigger("activate", e, this._uiHash(this));
            return t.ui.ddmanager && (t.ui.ddmanager.current = this), t.ui.ddmanager && !a.dropBehaviour && t.ui.ddmanager.prepareOffsets(this, e), this.dragging = !0, this._addClass(this.helper, "ui-sortable-helper"), this._mouseDrag(e), !0
        },
        _mouseDrag: function (e) {
            var i, s, n, o, a = this.options, r = !1;
            for (this.position = this._generatePosition(e), this.positionAbs = this._convertPositionTo("absolute"), this.lastPositionAbs || (this.lastPositionAbs = this.positionAbs), this.options.scroll && (this.scrollParent[0] !== this.document[0] && "HTML" !== this.scrollParent[0].tagName ? (this.overflowOffset.top + this.scrollParent[0].offsetHeight - e.pageY < a.scrollSensitivity ? this.scrollParent[0].scrollTop = r = this.scrollParent[0].scrollTop + a.scrollSpeed : e.pageY - this.overflowOffset.top < a.scrollSensitivity && (this.scrollParent[0].scrollTop = r = this.scrollParent[0].scrollTop - a.scrollSpeed), this.overflowOffset.left + this.scrollParent[0].offsetWidth - e.pageX < a.scrollSensitivity ? this.scrollParent[0].scrollLeft = r = this.scrollParent[0].scrollLeft + a.scrollSpeed : e.pageX - this.overflowOffset.left < a.scrollSensitivity && (this.scrollParent[0].scrollLeft = r = this.scrollParent[0].scrollLeft - a.scrollSpeed)) : (e.pageY - this.document.scrollTop() < a.scrollSensitivity ? r = this.document.scrollTop(this.document.scrollTop() - a.scrollSpeed) : this.window.height() - (e.pageY - this.document.scrollTop()) < a.scrollSensitivity && (r = this.document.scrollTop(this.document.scrollTop() + a.scrollSpeed)), e.pageX - this.document.scrollLeft() < a.scrollSensitivity ? r = this.document.scrollLeft(this.document.scrollLeft() - a.scrollSpeed) : this.window.width() - (e.pageX - this.document.scrollLeft()) < a.scrollSensitivity && (r = this.document.scrollLeft(this.document.scrollLeft() + a.scrollSpeed))), r !== !1 && t.ui.ddmanager && !a.dropBehaviour && t.ui.ddmanager.prepareOffsets(this, e)), this.positionAbs = this._convertPositionTo("absolute"), this.options.axis && "y" === this.options.axis || (this.helper[0].style.left = this.position.left + "px"), this.options.axis && "x" === this.options.axis || (this.helper[0].style.top = this.position.top + "px"), i = this.items.length - 1; i >= 0; i--)if (s = this.items[i], n = s.item[0], o = this._intersectsWithPointer(s), o && s.instance === this.currentContainer && n !== this.currentItem[0] && this.placeholder[1 === o ? "next" : "prev"]()[0] !== n && !t.contains(this.placeholder[0], n) && ("semi-dynamic" === this.options.type ? !t.contains(this.element[0], n) : !0)) {
                if (this.direction = 1 === o ? "down" : "up", "pointer" !== this.options.tolerance && !this._intersectsWithSides(s))break;
                this._rearrange(e, s), this._trigger("change", e, this._uiHash());
                break
            }
            return this._contactContainers(e), t.ui.ddmanager && t.ui.ddmanager.drag(this, e), this._trigger("sort", e, this._uiHash()), this.lastPositionAbs = this.positionAbs, !1
        },
        _mouseStop: function (e, i) {
            if (e) {
                if (t.ui.ddmanager && !this.options.dropBehaviour && t.ui.ddmanager.drop(this, e), this.options.revert) {
                    var s = this, n = this.placeholder.offset(), o = this.options.axis, a = {};
                    o && "x" !== o || (a.left = n.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollLeft)), o && "y" !== o || (a.top = n.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === this.document[0].body ? 0 : this.offsetParent[0].scrollTop)), this.reverting = !0, t(this.helper).animate(a, parseInt(this.options.revert, 10) || 500, function () {
                        s._clear(e)
                    })
                } else this._clear(e, i);
                return !1
            }
        },
        cancel: function () {
            if (this.dragging) {
                this._mouseUp(new t.Event("mouseup", {target: null})), "original" === this.options.helper ? (this.currentItem.css(this._storedCSS), this._removeClass(this.currentItem, "ui-sortable-helper")) : this.currentItem.show();
                for (var e = this.containers.length - 1; e >= 0; e--)this.containers[e]._trigger("deactivate", null, this._uiHash(this)), this.containers[e].containerCache.over && (this.containers[e]._trigger("out", null, this._uiHash(this)), this.containers[e].containerCache.over = 0)
            }
            return this.placeholder && (this.placeholder[0].parentNode && this.placeholder[0].parentNode.removeChild(this.placeholder[0]), "original" !== this.options.helper && this.helper && this.helper[0].parentNode && this.helper.remove(), t.extend(this, {
                helper: null,
                dragging: !1,
                reverting: !1,
                _noFinalSort: null
            }), this.domPosition.prev ? t(this.domPosition.prev).after(this.currentItem) : t(this.domPosition.parent).prepend(this.currentItem)), this
        },
        serialize: function (e) {
            var i = this._getItemsAsjQuery(e && e.connected), s = [];
            return e = e || {}, t(i).each(function () {
                var i = (t(e.item || this).attr(e.attribute || "id") || "").match(e.expression || /(.+)[\-=_](.+)/);
                i && s.push((e.key || i[1] + "[]") + "=" + (e.key && e.expression ? i[1] : i[2]))
            }), !s.length && e.key && s.push(e.key + "="), s.join("&")
        },
        toArray: function (e) {
            var i = this._getItemsAsjQuery(e && e.connected), s = [];
            return e = e || {}, i.each(function () {
                s.push(t(e.item || this).attr(e.attribute || "id") || "")
            }), s
        },
        _intersectsWith: function (t) {
            var e = this.positionAbs.left, i = e + this.helperProportions.width, s = this.positionAbs.top,
                n = s + this.helperProportions.height, o = t.left, a = o + t.width, r = t.top, l = r + t.height,
                h = this.offset.click.top, c = this.offset.click.left,
                u = "x" === this.options.axis || s + h > r && l > s + h,
                d = "y" === this.options.axis || e + c > o && a > e + c, p = u && d;
            return "pointer" === this.options.tolerance || this.options.forcePointerForContainers || "pointer" !== this.options.tolerance && this.helperProportions[this.floating ? "width" : "height"] > t[this.floating ? "width" : "height"] ? p : e + this.helperProportions.width / 2 > o && a > i - this.helperProportions.width / 2 && s + this.helperProportions.height / 2 > r && l > n - this.helperProportions.height / 2
        },
        _intersectsWithPointer: function (t) {
            var e, i,
                s = "x" === this.options.axis || this._isOverAxis(this.positionAbs.top + this.offset.click.top, t.top, t.height),
                n = "y" === this.options.axis || this._isOverAxis(this.positionAbs.left + this.offset.click.left, t.left, t.width),
                o = s && n;
            return o ? (e = this._getDragVerticalDirection(), i = this._getDragHorizontalDirection(), this.floating ? "right" === i || "down" === e ? 2 : 1 : e && ("down" === e ? 2 : 1)) : !1
        },
        _intersectsWithSides: function (t) {
            var e = this._isOverAxis(this.positionAbs.top + this.offset.click.top, t.top + t.height / 2, t.height),
                i = this._isOverAxis(this.positionAbs.left + this.offset.click.left, t.left + t.width / 2, t.width),
                s = this._getDragVerticalDirection(), n = this._getDragHorizontalDirection();
            return this.floating && n ? "right" === n && i || "left" === n && !i : s && ("down" === s && e || "up" === s && !e)
        },
        _getDragVerticalDirection: function () {
            var t = this.positionAbs.top - this.lastPositionAbs.top;
            return 0 !== t && (t > 0 ? "down" : "up")
        },
        _getDragHorizontalDirection: function () {
            var t = this.positionAbs.left - this.lastPositionAbs.left;
            return 0 !== t && (t > 0 ? "right" : "left")
        },
        refresh: function (t) {
            return this._refreshItems(t), this._setHandleClassName(), this.refreshPositions(), this
        },
        _connectWith: function () {
            var t = this.options;
            return t.connectWith.constructor === String ? [t.connectWith] : t.connectWith
        },
        _getItemsAsjQuery: function (e) {
            function i() {
                r.push(this)
            }

            var s, n, o, a, r = [], l = [], h = this._connectWith();
            if (h && e)for (s = h.length - 1; s >= 0; s--)for (o = t(h[s], this.document[0]), n = o.length - 1; n >= 0; n--)a = t.data(o[n], this.widgetFullName), a && a !== this && !a.options.disabled && l.push([t.isFunction(a.options.items) ? a.options.items.call(a.element) : t(a.options.items, a.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), a]);
            for (l.push([t.isFunction(this.options.items) ? this.options.items.call(this.element, null, {
                options: this.options,
                item: this.currentItem
            }) : t(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]), s = l.length - 1; s >= 0; s--)l[s][0].each(i);
            return t(r)
        },
        _removeCurrentsFromItems: function () {
            var e = this.currentItem.find(":data(" + this.widgetName + "-item)");
            this.items = t.grep(this.items, function (t) {
                for (var i = 0; e.length > i; i++)if (e[i] === t.item[0])return !1;
                return !0
            })
        },
        _refreshItems: function (e) {
            this.items = [], this.containers = [this];
            var i, s, n, o, a, r, l, h, c = this.items,
                u = [[t.isFunction(this.options.items) ? this.options.items.call(this.element[0], e, {item: this.currentItem}) : t(this.options.items, this.element), this]],
                d = this._connectWith();
            if (d && this.ready)for (i = d.length - 1; i >= 0; i--)for (n = t(d[i], this.document[0]), s = n.length - 1; s >= 0; s--)o = t.data(n[s], this.widgetFullName), o && o !== this && !o.options.disabled && (u.push([t.isFunction(o.options.items) ? o.options.items.call(o.element[0], e, {item: this.currentItem}) : t(o.options.items, o.element), o]), this.containers.push(o));
            for (i = u.length - 1; i >= 0; i--)for (a = u[i][1], r = u[i][0], s = 0, h = r.length; h > s; s++)l = t(r[s]), l.data(this.widgetName + "-item", a), c.push({
                item: l,
                instance: a,
                width: 0,
                height: 0,
                left: 0,
                top: 0
            })
        },
        refreshPositions: function (e) {
            this.floating = this.items.length ? "x" === this.options.axis || this._isFloating(this.items[0].item) : !1, this.offsetParent && this.helper && (this.offset.parent = this._getParentOffset());
            var i, s, n, o;
            for (i = this.items.length - 1; i >= 0; i--)s = this.items[i], s.instance !== this.currentContainer && this.currentContainer && s.item[0] !== this.currentItem[0] || (n = this.options.toleranceElement ? t(this.options.toleranceElement, s.item) : s.item, e || (s.width = n.outerWidth(), s.height = n.outerHeight()), o = n.offset(), s.left = o.left, s.top = o.top);
            if (this.options.custom && this.options.custom.refreshContainers) this.options.custom.refreshContainers.call(this); else for (i = this.containers.length - 1; i >= 0; i--)o = this.containers[i].element.offset(), this.containers[i].containerCache.left = o.left, this.containers[i].containerCache.top = o.top, this.containers[i].containerCache.width = this.containers[i].element.outerWidth(), this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
            return this
        },
        _createPlaceholder: function (e) {
            e = e || this;
            var i, s = e.options;
            s.placeholder && s.placeholder.constructor !== String || (i = s.placeholder, s.placeholder = {
                element: function () {
                    var s = e.currentItem[0].nodeName.toLowerCase(), n = t("<" + s + ">", e.document[0]);
                    return e._addClass(n, "ui-sortable-placeholder", i || e.currentItem[0].className)._removeClass(n, "ui-sortable-helper"), "tbody" === s ? e._createTrPlaceholder(e.currentItem.find("tr").eq(0), t("<tr>", e.document[0]).appendTo(n)) : "tr" === s ? e._createTrPlaceholder(e.currentItem, n) : "img" === s && n.attr("src", e.currentItem.attr("src")), i || n.css("visibility", "hidden"), n
                }, update: function (t, n) {
                    (!i || s.forcePlaceholderSize) && (n.height() || n.height(e.currentItem.innerHeight() - parseInt(e.currentItem.css("paddingTop") || 0, 10) - parseInt(e.currentItem.css("paddingBottom") || 0, 10)), n.width() || n.width(e.currentItem.innerWidth() - parseInt(e.currentItem.css("paddingLeft") || 0, 10) - parseInt(e.currentItem.css("paddingRight") || 0, 10)))
                }
            }), e.placeholder = t(s.placeholder.element.call(e.element, e.currentItem)), e.currentItem.after(e.placeholder), s.placeholder.update(e, e.placeholder)
        },
        _createTrPlaceholder: function (e, i) {
            var s = this;
            e.children().each(function () {
                t("<td>&#160;</td>", s.document[0]).attr("colspan", t(this).attr("colspan") || 1).appendTo(i)
            })
        },
        _contactContainers: function (e) {
            var i, s, n, o, a, r, l, h, c, u, d = null, p = null;
            for (i = this.containers.length - 1; i >= 0; i--)if (!t.contains(this.currentItem[0], this.containers[i].element[0]))if (this._intersectsWith(this.containers[i].containerCache)) {
                if (d && t.contains(this.containers[i].element[0], d.element[0]))continue;
                d = this.containers[i], p = i
            } else this.containers[i].containerCache.over && (this.containers[i]._trigger("out", e, this._uiHash(this)), this.containers[i].containerCache.over = 0);
            if (d)if (1 === this.containers.length) this.containers[p].containerCache.over || (this.containers[p]._trigger("over", e, this._uiHash(this)), this.containers[p].containerCache.over = 1); else {
                for (n = 1e4, o = null, c = d.floating || this._isFloating(this.currentItem), a = c ? "left" : "top", r = c ? "width" : "height", u = c ? "pageX" : "pageY", s = this.items.length - 1; s >= 0; s--)t.contains(this.containers[p].element[0], this.items[s].item[0]) && this.items[s].item[0] !== this.currentItem[0] && (l = this.items[s].item.offset()[a], h = !1, e[u] - l > this.items[s][r] / 2 && (h = !0), n > Math.abs(e[u] - l) && (n = Math.abs(e[u] - l), o = this.items[s], this.direction = h ? "up" : "down"));
                if (!o && !this.options.dropOnEmpty)return;
                if (this.currentContainer === this.containers[p])return this.currentContainer.containerCache.over || (this.containers[p]._trigger("over", e, this._uiHash()), this.currentContainer.containerCache.over = 1), void 0;
                o ? this._rearrange(e, o, null, !0) : this._rearrange(e, null, this.containers[p].element, !0), this._trigger("change", e, this._uiHash()), this.containers[p]._trigger("change", e, this._uiHash(this)), this.currentContainer = this.containers[p], this.options.placeholder.update(this.currentContainer, this.placeholder), this.containers[p]._trigger("over", e, this._uiHash(this)), this.containers[p].containerCache.over = 1
            }
        },
        _createHelper: function (e) {
            var i = this.options,
                s = t.isFunction(i.helper) ? t(i.helper.apply(this.element[0], [e, this.currentItem])) : "clone" === i.helper ? this.currentItem.clone() : this.currentItem;
            return s.parents("body").length || t("parent" !== i.appendTo ? i.appendTo : this.currentItem[0].parentNode)[0].appendChild(s[0]), s[0] === this.currentItem[0] && (this._storedCSS = {
                width: this.currentItem[0].style.width,
                height: this.currentItem[0].style.height,
                position: this.currentItem.css("position"),
                top: this.currentItem.css("top"),
                left: this.currentItem.css("left")
            }), (!s[0].style.width || i.forceHelperSize) && s.width(this.currentItem.width()), (!s[0].style.height || i.forceHelperSize) && s.height(this.currentItem.height()), s
        },
        _adjustOffsetFromHelper: function (e) {
            "string" == typeof e && (e = e.split(" ")), t.isArray(e) && (e = {
                left: +e[0],
                top: +e[1] || 0
            }), "left" in e && (this.offset.click.left = e.left + this.margins.left), "right" in e && (this.offset.click.left = this.helperProportions.width - e.right + this.margins.left), "top" in e && (this.offset.click.top = e.top + this.margins.top), "bottom" in e && (this.offset.click.top = this.helperProportions.height - e.bottom + this.margins.top)
        },
        _getParentOffset: function () {
            this.offsetParent = this.helper.offsetParent();
            var e = this.offsetParent.offset();
            return "absolute" === this.cssPosition && this.scrollParent[0] !== this.document[0] && t.contains(this.scrollParent[0], this.offsetParent[0]) && (e.left += this.scrollParent.scrollLeft(), e.top += this.scrollParent.scrollTop()), (this.offsetParent[0] === this.document[0].body || this.offsetParent[0].tagName && "html" === this.offsetParent[0].tagName.toLowerCase() && t.ui.ie) && (e = {
                top: 0,
                left: 0
            }), {
                top: e.top + (parseInt(this.offsetParent.css("borderTopWidth"), 10) || 0),
                left: e.left + (parseInt(this.offsetParent.css("borderLeftWidth"), 10) || 0)
            }
        },
        _getRelativeOffset: function () {
            if ("relative" === this.cssPosition) {
                var t = this.currentItem.position();
                return {
                    top: t.top - (parseInt(this.helper.css("top"), 10) || 0) + this.scrollParent.scrollTop(),
                    left: t.left - (parseInt(this.helper.css("left"), 10) || 0) + this.scrollParent.scrollLeft()
                }
            }
            return {top: 0, left: 0}
        },
        _cacheMargins: function () {
            this.margins = {
                left: parseInt(this.currentItem.css("marginLeft"), 10) || 0,
                top: parseInt(this.currentItem.css("marginTop"), 10) || 0
            }
        },
        _cacheHelperProportions: function () {
            this.helperProportions = {width: this.helper.outerWidth(), height: this.helper.outerHeight()}
        },
        _setContainment: function () {
            var e, i, s, n = this.options;
            "parent" === n.containment && (n.containment = this.helper[0].parentNode), ("document" === n.containment || "window" === n.containment) && (this.containment = [0 - this.offset.relative.left - this.offset.parent.left, 0 - this.offset.relative.top - this.offset.parent.top, "document" === n.containment ? this.document.width() : this.window.width() - this.helperProportions.width - this.margins.left, ("document" === n.containment ? this.document.height() || document.body.parentNode.scrollHeight : this.window.height() || this.document[0].body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top]), /^(document|window|parent)$/.test(n.containment) || (e = t(n.containment)[0], i = t(n.containment).offset(), s = "hidden" !== t(e).css("overflow"), this.containment = [i.left + (parseInt(t(e).css("borderLeftWidth"), 10) || 0) + (parseInt(t(e).css("paddingLeft"), 10) || 0) - this.margins.left, i.top + (parseInt(t(e).css("borderTopWidth"), 10) || 0) + (parseInt(t(e).css("paddingTop"), 10) || 0) - this.margins.top, i.left + (s ? Math.max(e.scrollWidth, e.offsetWidth) : e.offsetWidth) - (parseInt(t(e).css("borderLeftWidth"), 10) || 0) - (parseInt(t(e).css("paddingRight"), 10) || 0) - this.helperProportions.width - this.margins.left, i.top + (s ? Math.max(e.scrollHeight, e.offsetHeight) : e.offsetHeight) - (parseInt(t(e).css("borderTopWidth"), 10) || 0) - (parseInt(t(e).css("paddingBottom"), 10) || 0) - this.helperProportions.height - this.margins.top])
        },
        _convertPositionTo: function (e, i) {
            i || (i = this.position);
            var s = "absolute" === e ? 1 : -1,
                n = "absolute" !== this.cssPosition || this.scrollParent[0] !== this.document[0] && t.contains(this.scrollParent[0], this.offsetParent[0]) ? this.scrollParent : this.offsetParent,
                o = /(html|body)/i.test(n[0].tagName);
            return {
                top: i.top + this.offset.relative.top * s + this.offset.parent.top * s - ("fixed" === this.cssPosition ? -this.scrollParent.scrollTop() : o ? 0 : n.scrollTop()) * s,
                left: i.left + this.offset.relative.left * s + this.offset.parent.left * s - ("fixed" === this.cssPosition ? -this.scrollParent.scrollLeft() : o ? 0 : n.scrollLeft()) * s
            }
        },
        _generatePosition: function (e) {
            var i, s, n = this.options, o = e.pageX, a = e.pageY,
                r = "absolute" !== this.cssPosition || this.scrollParent[0] !== this.document[0] && t.contains(this.scrollParent[0], this.offsetParent[0]) ? this.scrollParent : this.offsetParent,
                l = /(html|body)/i.test(r[0].tagName);
            return "relative" !== this.cssPosition || this.scrollParent[0] !== this.document[0] && this.scrollParent[0] !== this.offsetParent[0] || (this.offset.relative = this._getRelativeOffset()), this.originalPosition && (this.containment && (e.pageX - this.offset.click.left < this.containment[0] && (o = this.containment[0] + this.offset.click.left), e.pageY - this.offset.click.top < this.containment[1] && (a = this.containment[1] + this.offset.click.top), e.pageX - this.offset.click.left > this.containment[2] && (o = this.containment[2] + this.offset.click.left), e.pageY - this.offset.click.top > this.containment[3] && (a = this.containment[3] + this.offset.click.top)), n.grid && (i = this.originalPageY + Math.round((a - this.originalPageY) / n.grid[1]) * n.grid[1], a = this.containment ? i - this.offset.click.top >= this.containment[1] && i - this.offset.click.top <= this.containment[3] ? i : i - this.offset.click.top >= this.containment[1] ? i - n.grid[1] : i + n.grid[1] : i, s = this.originalPageX + Math.round((o - this.originalPageX) / n.grid[0]) * n.grid[0], o = this.containment ? s - this.offset.click.left >= this.containment[0] && s - this.offset.click.left <= this.containment[2] ? s : s - this.offset.click.left >= this.containment[0] ? s - n.grid[0] : s + n.grid[0] : s)), {
                top: a - this.offset.click.top - this.offset.relative.top - this.offset.parent.top + ("fixed" === this.cssPosition ? -this.scrollParent.scrollTop() : l ? 0 : r.scrollTop()),
                left: o - this.offset.click.left - this.offset.relative.left - this.offset.parent.left + ("fixed" === this.cssPosition ? -this.scrollParent.scrollLeft() : l ? 0 : r.scrollLeft())
            }
        },
        _rearrange: function (t, e, i, s) {
            i ? i[0].appendChild(this.placeholder[0]) : e.item[0].parentNode.insertBefore(this.placeholder[0], "down" === this.direction ? e.item[0] : e.item[0].nextSibling), this.counter = this.counter ? ++this.counter : 1;
            var n = this.counter;
            this._delay(function () {
                n === this.counter && this.refreshPositions(!s)
            })
        },
        _clear: function (t, e) {
            function i(t, e, i) {
                return function (s) {
                    i._trigger(t, s, e._uiHash(e))
                }
            }

            this.reverting = !1;
            var s, n = [];
            if (!this._noFinalSort && this.currentItem.parent().length && this.placeholder.before(this.currentItem), this._noFinalSort = null, this.helper[0] === this.currentItem[0]) {
                for (s in this._storedCSS)("auto" === this._storedCSS[s] || "static" === this._storedCSS[s]) && (this._storedCSS[s] = "");
                this.currentItem.css(this._storedCSS), this._removeClass(this.currentItem, "ui-sortable-helper")
            } else this.currentItem.show();
            for (this.fromOutside && !e && n.push(function (t) {
                this._trigger("receive", t, this._uiHash(this.fromOutside))
            }), !this.fromOutside && this.domPosition.prev === this.currentItem.prev().not(".ui-sortable-helper")[0] && this.domPosition.parent === this.currentItem.parent()[0] || e || n.push(function (t) {
                this._trigger("update", t, this._uiHash())
            }), this !== this.currentContainer && (e || (n.push(function (t) {
                this._trigger("remove", t, this._uiHash())
            }), n.push(function (t) {
                return function (e) {
                    t._trigger("receive", e, this._uiHash(this))
                }
            }.call(this, this.currentContainer)), n.push(function (t) {
                return function (e) {
                    t._trigger("update", e, this._uiHash(this))
                }
            }.call(this, this.currentContainer)))), s = this.containers.length - 1; s >= 0; s--)e || n.push(i("deactivate", this, this.containers[s])), this.containers[s].containerCache.over && (n.push(i("out", this, this.containers[s])), this.containers[s].containerCache.over = 0);
            if (this.storedCursor && (this.document.find("body").css("cursor", this.storedCursor), this.storedStylesheet.remove()), this._storedOpacity && this.helper.css("opacity", this._storedOpacity), this._storedZIndex && this.helper.css("zIndex", "auto" === this._storedZIndex ? "" : this._storedZIndex), this.dragging = !1, e || this._trigger("beforeStop", t, this._uiHash()), this.placeholder[0].parentNode.removeChild(this.placeholder[0]), this.cancelHelperRemoval || (this.helper[0] !== this.currentItem[0] && this.helper.remove(), this.helper = null), !e) {
                for (s = 0; n.length > s; s++)n[s].call(this, t);
                this._trigger("stop", t, this._uiHash())
            }
            return this.fromOutside = !1, !this.cancelHelperRemoval
        },
        _trigger: function () {
            t.Widget.prototype._trigger.apply(this, arguments) === !1 && this.cancel()
        },
        _uiHash: function (e) {
            var i = e || this;
            return {
                helper: i.helper,
                placeholder: i.placeholder || t([]),
                position: i.position,
                originalPosition: i.originalPosition,
                offset: i.positionAbs,
                item: i.currentItem,
                sender: e ? e.element : null
            }
        }
    })
});