/*! jQuery UI - v1.12.1+0b7246b6eeadfa9e2696e22f3230f6452f8129dc - 2020-02-20
 * http://jqueryui.com
 * Includes: widget.js
 * Copyright jQuery Foundation and other contributors; Licensed MIT */

/* global define, require */
/* eslint-disable no-param-reassign, new-cap, jsdoc/require-jsdoc */

(function (factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(['jquery'], factory);
    } else if (typeof exports === 'object') {
        // Node/CommonJS
        factory(require('jquery'));
    } else {
        // Browser globals
        factory(window.jQuery);
    }
})(function ($) {
    ('use strict');

    $.ui = $.ui || {};

    $.ui.version = '1.12.1';

    /*!
     * jQuery UI Widget 1.12.1
     * http://jqueryui.com
     *
     * Copyright jQuery Foundation and other contributors
     * Released under the MIT license.
     * http://jquery.org/license
     */

    //>>label: Widget
    //>>group: Core
    //>>description: Provides a factory for creating stateful widgets with a common API.
    //>>docs: http://api.jqueryui.com/jQuery.widget/
    //>>demos: http://jqueryui.com/widget/

    // Support: jQuery 1.9.x or older
    // $.expr[ ":" ] is deprecated.
    if (!$.expr.pseudos) {
        $.expr.pseudos = $.expr[':'];
    }

    // Support: jQuery 1.11.x or older
    // $.unique has been renamed to $.uniqueSort
    if (!$.uniqueSort) {
        $.uniqueSort = $.unique;
    }

    var widgetUuid = 0;
    var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
    var widgetSlice = Array.prototype.slice;

    $.cleanData = (function (orig) {
        return function (elems) {
            var events, elem, i;
            // eslint-disable-next-line eqeqeq
            for (i = 0; (elem = elems[i]) != null; i++) {
                // Only trigger remove when necessary to save time
                events = $._data(elem, 'events');
                if (events && events.remove) {
                    $(elem).triggerHandler('remove');
                }
            }
            orig(elems);
        };
    })($.cleanData);

    $.widget = function (name, base, prototype) {
        var existingConstructor, constructor, basePrototype;

        // ProxiedPrototype allows the provided prototype to remain unmodified
        // so that it can be used as a mixin for multiple widgets (#8876)
        var proxiedPrototype = {};

        var namespace = name.split('.')[0];
        name = name.split('.')[1];
        var fullName = namespace + '-' + name;

        if (!prototype) {
            prototype = base;
            base = $.Widget;
        }

        if ($.isArray(prototype)) {
            prototype = $.extend.apply(null, [{}].concat(prototype));
        }

        // Create selector for plugin
        $.expr.pseudos[fullName.toLowerCase()] = function (elem) {
            return !!$.data(elem, fullName);
        };

        $[namespace] = $[namespace] || {};
        existingConstructor = $[namespace][name];
        constructor = $[namespace][name] = function (options, element) {
            // Allow instantiation without "new" keyword
            if (!this._createWidget) {
                return new constructor(options, element);
            }

            // Allow instantiation without initializing for simple inheritance
            // must use "new" keyword (the code above always passes args)
            if (arguments.length) {
                this._createWidget(options, element);
            }
        };

        // Extend with the existing constructor to carry over any static properties
        $.extend(constructor, existingConstructor, {
            version: prototype.version,

            // Copy the object used to create the prototype in case we need to
            // redefine the widget later
            _proto: $.extend({}, prototype),

            // Track widgets that inherit from this widget in case this widget is
            // redefined after a widget inherits from it
            _childConstructors: []
        });

        basePrototype = new base();

        // We need to make the options hash a property directly on the new instance
        // otherwise we'll modify the options hash on the prototype that we're
        // inheriting from
        basePrototype.options = $.widget.extend({}, basePrototype.options);
        $.each(prototype, function (prop, value) {
            if (!$.isFunction(value)) {
                proxiedPrototype[prop] = value;
                return;
            }
            proxiedPrototype[prop] = (function () {
                function _super() {
                    return base.prototype[prop].apply(this, arguments);
                }

                function _superApply(args) {
                    return base.prototype[prop].apply(this, args);
                }

                return function () {
                    var __super = this._super;
                    var __superApply = this._superApply;
                    var returnValue;

                    this._super = _super;
                    this._superApply = _superApply;

                    returnValue = value.apply(this, arguments);

                    this._super = __super;
                    this._superApply = __superApply;

                    return returnValue;
                };
            })();
        });
        constructor.prototype = $.widget.extend(
            basePrototype,
            {
                // TODO: remove support for widgetEventPrefix
                // always use the name + a colon as the prefix, e.g., draggable:start
                // don't prefix for widgets that aren't DOM-based
                widgetEventPrefix: existingConstructor
                    ? basePrototype.widgetEventPrefix || name
                    : name
            },
            proxiedPrototype,
            {
                constructor: constructor,
                namespace: namespace,
                widgetName: name,
                widgetFullName: fullName
            }
        );

        // If this widget is being redefined then we need to find all widgets that
        // are inheriting from it and redefine all of them so that they inherit from
        // the new version of this widget. We're essentially trying to replace one
        // level in the prototype chain.
        if (existingConstructor) {
            $.each(existingConstructor._childConstructors, function (i, child) {
                var childPrototype = child.prototype;

                // Redefine the child widget using the same prototype that was
                // originally used, but inherit from the new version of the base
                $.widget(
                    childPrototype.namespace + '.' + childPrototype.widgetName,
                    constructor,
                    child._proto
                );
            });

            // Remove the list of existing child constructors from the old constructor
            // so the old child constructors can be garbage collected
            delete existingConstructor._childConstructors;
        } else {
            base._childConstructors.push(constructor);
        }

        $.widget.bridge(name, constructor);

        return constructor;
    };

    $.widget.extend = function (target) {
        var input = widgetSlice.call(arguments, 1);
        var inputIndex = 0;
        var inputLength = input.length;
        var key;
        var value;

        for (; inputIndex < inputLength; inputIndex++) {
            for (key in input[inputIndex]) {
                value = input[inputIndex][key];
                if (
                    widgetHasOwnProperty.call(input[inputIndex], key) &&
                    value !== undefined
                ) {
                    // Clone objects
                    if ($.isPlainObject(value)) {
                        target[key] = $.isPlainObject(target[key])
                            ? $.widget.extend({}, target[key], value)
                            : // Don't extend strings, arrays, etc. with objects
                            $.widget.extend({}, value);

                        // Copy everything else by reference
                    } else {
                        target[key] = value;
                    }
                }
            }
        }
        return target;
    };

    $.widget.bridge = function (name, object) {
        var fullName = object.prototype.widgetFullName || name;
        $.fn[name] = function (options) {
            var isMethodCall = typeof options === 'string';
            var args = widgetSlice.call(arguments, 1);
            var returnValue = this;

            if (isMethodCall) {
                // If this is an empty collection, we need to have the instance method
                // return undefined instead of the jQuery instance
                if (!this.length && options === 'instance') {
                    returnValue = undefined;
                } else {
                    this.each(function () {
                        var methodValue;
                        var instance = $.data(this, fullName);

                        if (options === 'instance') {
                            returnValue = instance;
                            return false;
                        }

                        if (!instance) {
                            return $.error(
                                'cannot call methods on ' +
                                name +
                                ' prior to initialization; ' +
                                "attempted to call method '" +
                                options +
                                "'"
                            );
                        }

                        if (!$.isFunction(instance[options]) || options.charAt(0) === '_') {
                            return $.error(
                                "no such method '" +
                                options +
                                "' for " +
                                name +
                                ' widget instance'
                            );
                        }

                        methodValue = instance[options].apply(instance, args);

                        if (methodValue !== instance && methodValue !== undefined) {
                            returnValue =
                                methodValue && methodValue.jquery
                                    ? returnValue.pushStack(methodValue.get())
                                    : methodValue;
                            return false;
                        }
                    });
                }
            } else {
                // Allow multiple hashes to be passed on init
                if (args.length) {
                    options = $.widget.extend.apply(null, [options].concat(args));
                }

                this.each(function () {
                    var instance = $.data(this, fullName);
                    if (instance) {
                        instance.option(options || {});
                        if (instance._init) {
                            instance._init();
                        }
                    } else {
                        $.data(this, fullName, new object(options, this));
                    }
                });
            }

            return returnValue;
        };
    };

    $.Widget = function (/* options, element */) {};
    $.Widget._childConstructors = [];

    $.Widget.prototype = {
        widgetName: 'widget',
        widgetEventPrefix: '',
        defaultElement: '<div>',

        options: {
            classes: {},
            disabled: false,

            // Callbacks
            create: null
        },

        _createWidget: function (options, element) {
            element = $(element || this.defaultElement || this)[0];
            this.element = $(element);
            this.uuid = widgetUuid++;
            this.eventNamespace = '.' + this.widgetName + this.uuid;

            this.bindings = $();
            this.hoverable = $();
            this.focusable = $();
            this.classesElementLookup = {};

            if (element !== this) {
                $.data(element, this.widgetFullName, this);
                this._on(true, this.element, {
                    remove: function (event) {
                        if (event.target === element) {
                            this.destroy();
                        }
                    }
                });
                this.document = $(
                    element.style
                        ? // Element within the document
                        element.ownerDocument
                        : // Element is window or document
                        element.document || element
                );
                this.window = $(
                    this.document[0].defaultView || this.document[0].parentWindow
                );
            }

            this.options = $.widget.extend(
                {},
                this.options,
                this._getCreateOptions(),
                options
            );

            this._create();

            if (this.options.disabled) {
                this._setOptionDisabled(this.options.disabled);
            }

            this._trigger('create', null, this._getCreateEventData());
            this._init();
        },

        _getCreateOptions: function () {
            return {};
        },

        _getCreateEventData: $.noop,

        _create: $.noop,

        _init: $.noop,

        destroy: function () {
            var that = this;

            this._destroy();
            $.each(this.classesElementLookup, function (key, value) {
                that._removeClass(value, key);
            });

            // We can probably remove the unbind calls in 2.0
            // all event bindings should go through this._on()
            this.element.off(this.eventNamespace).removeData(this.widgetFullName);
            this.widget().off(this.eventNamespace).removeAttr('aria-disabled');

            // Clean up events and states
            this.bindings.off(this.eventNamespace);
        },

        _destroy: $.noop,

        widget: function () {
            return this.element;
        },

        option: function (key, value) {
            var options = key;
            var parts;
            var curOption;
            var i;

            if (arguments.length === 0) {
                // Don't return a reference to the internal hash
                return $.widget.extend({}, this.options);
            }

            if (typeof key === 'string') {
                // Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
                options = {};
                parts = key.split('.');
                key = parts.shift();
                if (parts.length) {
                    curOption = options[key] = $.widget.extend({}, this.options[key]);
                    for (i = 0; i < parts.length - 1; i++) {
                        curOption[parts[i]] = curOption[parts[i]] || {};
                        curOption = curOption[parts[i]];
                    }
                    key = parts.pop();
                    if (arguments.length === 1) {
                        return curOption[key] === undefined ? null : curOption[key];
                    }
                    curOption[key] = value;
                } else {
                    if (arguments.length === 1) {
                        return this.options[key] === undefined ? null : this.options[key];
                    }
                    options[key] = value;
                }
            }

            this._setOptions(options);

            return this;
        },

        _setOptions: function (options) {
            var key;

            for (key in options) {
                this._setOption(key, options[key]);
            }

            return this;
        },

        _setOption: function (key, value) {
            if (key === 'classes') {
                this._setOptionClasses(value);
            }

            this.options[key] = value;

            if (key === 'disabled') {
                this._setOptionDisabled(value);
            }

            return this;
        },

        _setOptionClasses: function (value) {
            var classKey, elements, currentElements;

            for (classKey in value) {
                currentElements = this.classesElementLookup[classKey];
                if (
                    value[classKey] === this.options.classes[classKey] ||
                    !currentElements ||
                    !currentElements.length
                ) {
                    continue;
                }

                // We are doing this to create a new jQuery object because the _removeClass() call
                // on the next line is going to destroy the reference to the current elements being
                // tracked. We need to save a copy of this collection so that we can add the new classes
                // below.
                elements = $(currentElements.get());
                this._removeClass(currentElements, classKey);

                // We don't use _addClass() here, because that uses this.options.classes
                // for generating the string of classes. We want to use the value passed in from
                // _setOption(), this is the new value of the classes option which was passed to
                // _setOption(). We pass this value directly to _classes().
                elements.addClass(
                    this._classes({
                        element: elements,
                        keys: classKey,
                        classes: value,
                        add: true
                    })
                );
            }
        },

        _setOptionDisabled: function (value) {
            this._toggleClass(
                this.widget(),
                this.widgetFullName + '-disabled',
                null,
                !!value
            );

            // If the widget is becoming disabled, then nothing is interactive
            if (value) {
                this._removeClass(this.hoverable, null, 'ui-state-hover');
                this._removeClass(this.focusable, null, 'ui-state-focus');
            }
        },

        enable: function () {
            return this._setOptions({ disabled: false });
        },

        disable: function () {
            return this._setOptions({ disabled: true });
        },

        _classes: function (options) {
            var full = [];
            var that = this;

            options = $.extend(
                {
                    element: this.element,
                    classes: this.options.classes || {}
                },
                options
            );

            function bindRemoveEvent() {
                options.element.each(function (_, element) {
                    var isTracked = $.map(that.classesElementLookup, function (elements) {
                        return elements;
                    }).some(function (elements) {
                        return elements.is(element);
                    });

                    if (!isTracked) {
                        that._on($(element), {
                            remove: '_untrackClassesElement'
                        });
                    }
                });
            }

            function processClassString(classes, checkOption) {
                var current, i;
                for (i = 0; i < classes.length; i++) {
                    current = that.classesElementLookup[classes[i]] || $();
                    if (options.add) {
                        bindRemoveEvent();
                        current = $(
                            $.uniqueSort(current.get().concat(options.element.get()))
                        );
                    } else {
                        current = $(current.not(options.element).get());
                    }
                    that.classesElementLookup[classes[i]] = current;
                    full.push(classes[i]);
                    if (checkOption && options.classes[classes[i]]) {
                        full.push(options.classes[classes[i]]);
                    }
                }
            }

            if (options.keys) {
                processClassString(options.keys.match(/\S+/g) || [], true);
            }
            if (options.extra) {
                processClassString(options.extra.match(/\S+/g) || []);
            }

            return full.join(' ');
        },

        _untrackClassesElement: function (event) {
            var that = this;
            $.each(that.classesElementLookup, function (key, value) {
                if ($.inArray(event.target, value) !== -1) {
                    that.classesElementLookup[key] = $(value.not(event.target).get());
                }
            });

            this._off($(event.target));
        },

        _removeClass: function (element, keys, extra) {
            return this._toggleClass(element, keys, extra, false);
        },

        _addClass: function (element, keys, extra) {
            return this._toggleClass(element, keys, extra, true);
        },

        _toggleClass: function (element, keys, extra, add) {
            add = typeof add === 'boolean' ? add : extra;
            var shift = typeof element === 'string' || element === null,
                options = {
                    extra: shift ? keys : extra,
                    keys: shift ? element : keys,
                    element: shift ? this.element : element,
                    add: add
                };
            options.element.toggleClass(this._classes(options), add);
            return this;
        },

        _on: function (suppressDisabledCheck, element, handlers) {
            var delegateElement;
            var instance = this;

            // No suppressDisabledCheck flag, shuffle arguments
            if (typeof suppressDisabledCheck !== 'boolean') {
                handlers = element;
                element = suppressDisabledCheck;
                suppressDisabledCheck = false;
            }

            // No element argument, shuffle and use this.element
            if (!handlers) {
                handlers = element;
                element = this.element;
                delegateElement = this.widget();
            } else {
                element = delegateElement = $(element);
                this.bindings = this.bindings.add(element);
            }

            $.each(handlers, function (event, handler) {
                function handlerProxy() {
                    // Allow widgets to customize the disabled handling
                    // - disabled as an array instead of boolean
                    // - disabled class as method for disabling individual parts
                    if (
                        !suppressDisabledCheck &&
                        (instance.options.disabled === true ||
                            $(this).hasClass('ui-state-disabled'))
                    ) {
                        return;
                    }
                    return (
                        typeof handler === 'string' ? instance[handler] : handler
                    ).apply(instance, arguments);
                }

                // Copy the guid so direct unbinding works
                if (typeof handler !== 'string') {
                    handlerProxy.guid = handler.guid =
                        handler.guid || handlerProxy.guid || $.guid++;
                }

                var match = event.match(/^([\w:-]*)\s*(.*)$/);
                var eventName = match[1] + instance.eventNamespace;
                var selector = match[2];

                if (selector) {
                    delegateElement.on(eventName, selector, handlerProxy);
                } else {
                    element.on(eventName, handlerProxy);
                }
            });
        },

        _off: function (element, eventName) {
            eventName =
                (eventName || '').split(' ').join(this.eventNamespace + ' ') +
                this.eventNamespace;
            element.off(eventName);

            // Clear the stack to avoid memory leaks (#10056)
            this.bindings = $(this.bindings.not(element).get());
            this.focusable = $(this.focusable.not(element).get());
            this.hoverable = $(this.hoverable.not(element).get());
        },

        _delay: function (handler, delay) {
            var instance = this;
            function handlerProxy() {
                return (
                    typeof handler === 'string' ? instance[handler] : handler
                ).apply(instance, arguments);
            }
            return setTimeout(handlerProxy, delay || 0);
        },

        _hoverable: function (element) {
            this.hoverable = this.hoverable.add(element);
            this._on(element, {
                mouseenter: function (event) {
                    this._addClass($(event.currentTarget), null, 'ui-state-hover');
                },
                mouseleave: function (event) {
                    this._removeClass($(event.currentTarget), null, 'ui-state-hover');
                }
            });
        },

        _focusable: function (element) {
            this.focusable = this.focusable.add(element);
            this._on(element, {
                focusin: function (event) {
                    this._addClass($(event.currentTarget), null, 'ui-state-focus');
                },
                focusout: function (event) {
                    this._removeClass($(event.currentTarget), null, 'ui-state-focus');
                }
            });
        },

        _trigger: function (type, event, data) {
            var prop, orig;
            var callback = this.options[type];

            data = data || {};
            event = $.Event(event);
            event.type = (
                type === this.widgetEventPrefix ? type : this.widgetEventPrefix + type
            ).toLowerCase();

            // The original event may come from any element
            // so we need to reset the target on the new event
            event.target = this.element[0];

            // Copy original event properties over to the new event
            orig = event.originalEvent;
            if (orig) {
                for (prop in orig) {
                    if (!(prop in event)) {
                        event[prop] = orig[prop];
                    }
                }
            }

            this.element.trigger(event, data);
            return !(
                ($.isFunction(callback) &&
                    callback.apply(this.element[0], [event].concat(data)) === false) ||
                event.isDefaultPrevented()
            );
        }
    };

    $.each({ show: 'fadeIn', hide: 'fadeOut' }, function (method, defaultEffect) {
        $.Widget.prototype['_' + method] = function (element, options, callback) {
            if (typeof options === 'string') {
                options = { effect: options };
            }

            var hasOptions;
            var effectName = !options
                ? method
                : options === true || typeof options === 'number'
                    ? defaultEffect
                    : options.effect || defaultEffect;

            options = options || {};
            if (typeof options === 'number') {
                options = { duration: options };
            }

            hasOptions = !$.isEmptyObject(options);
            options.complete = callback;

            if (options.delay) {
                element.delay(options.delay);
            }

            if (hasOptions && $.effects && $.effects.effect[effectName]) {
                element[method](options);
            } else if (effectName !== method && element[effectName]) {
                element[effectName](options.duration, options.easing, callback);
            } else {
                element.queue(function (next) {
                    $(this)[method]();
                    if (callback) {
                        callback.call(element[0]);
                    }
                    next();
                });
            }
        };
    });
});