/*!
 * # Fomantic-UI 2.9.3 - Modal
 * https://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * https://opensource.org/licenses/MIT
 *
 */

(function ($, window, document) {
    'use strict';

    function isFunction(obj) {
        return typeof obj === 'function' && typeof obj.nodeType !== 'number';
    }

    window = window !== undefined && window.Math === Math
        ? window
        : globalThis;

    $.fn.modal = function (parameters) {
        var
            $allModules    = $(this),
            $window        = $(window),
            $document      = $(document),
            $body          = $('body'),

            time           = Date.now(),
            performance    = [],

            query          = arguments[0],
            methodInvoked  = typeof query === 'string',
            queryArguments = [].slice.call(arguments, 1),
            contextCheck   = function (context, win) {
                var $context;
                if ([window, document].indexOf(context) >= 0) {
                    $context = $body;
                } else {
                    $context = $(win.document).find(context);
                    if ($context.length === 0) {
                        $context = win.frameElement ? contextCheck(context, win.parent) : $body;
                    }
                }

                return $context;
            },
            returnedValue
        ;

        $allModules.each(function () {
            var
                settings    = $.isPlainObject(parameters)
                    ? $.extend(true, {}, $.fn.modal.settings, parameters)
                    : $.extend({}, $.fn.modal.settings),

                selector        = settings.selector,
                className       = settings.className,
                namespace       = settings.namespace,
                fields          = settings.fields,
                error           = settings.error,

                eventNamespace  = '.' + namespace,
                moduleNamespace = 'module-' + namespace,

                $module         = $(this),
                $context        = contextCheck(settings.context, window),
                isBody          = $context[0] === $body[0],
                $closeIcon      = $module.find(selector.closeIcon),
                $inputs,

                $allModals,
                $otherModals,
                $focusedElement,
                $dimmable,
                $dimmer,

                isModalComponent = $module.hasClass('modal'),

                element         = this,
                instance        = isModalComponent ? $module.data(moduleNamespace) : undefined,

                ignoreRepeatedEvents = false,

                initialMouseDownInModal,
                initialMouseDownInScrollbar,
                initialBodyMargin = '',
                tempBodyMargin = '',
                keepScrollingClass = false,
                hadScrollbar = false,
                windowRefocused = false,

                elementEventNamespace,
                id,
                observer,
                observeAttributes = false,
                module
            ;
            module = {

                initialize: function () {
                    module.create.id();
                    if (!isModalComponent) {
                        module.create.modal();
                        if (!isFunction(settings.onHidden)) {
                            settings.onHidden = function () {
                                module.destroy();
                                $module.remove();
                            };
                        }
                    }
                    $module.addClass(settings.class);
                    if (settings.title !== '') {
                        $module.find(selector.title).html(module.helpers.escape(settings.title, settings.preserveHTML)).addClass(settings.classTitle);
                    }
                    if (settings.content !== '') {
                        $module.find(selector.content).html(module.helpers.escape(settings.content, settings.preserveHTML)).addClass(settings.classContent);
                    }
                    if (module.has.configActions()) {
                        var $actions = $module.find(selector.actions).addClass(settings.classActions);
                        if ($actions.length === 0) {
                            $actions = $('<div/>', { class: className.actions + ' ' + (settings.classActions || '') }).appendTo($module);
                        } else {
                            $actions.empty();
                        }
                        settings.actions.forEach(function (el) {
                            var
                                icon = el[fields.icon]
                                    ? '<i ' + (el[fields.text] ? 'aria-hidden="true"' : '') + ' class="' + module.helpers.deQuote(el[fields.icon]) + ' icon"></i>'
                                    : '',
                                text = module.helpers.escape(el[fields.text] || '', settings.preserveHTML),
                                cls = module.helpers.deQuote(el[fields.class] || ''),
                                click = el[fields.click] && isFunction(el[fields.click])
                                    ? el[fields.click]
                                    : function () {}
                            ;
                            $actions.append($('<button/>', {
                                html: icon + text,
                                'aria-label': (el[fields.text] || el[fields.icon] || '').replace(/<[^>]+(>|$)/g, ''),
                                class: className.button + ' ' + cls,
                                on: {
                                    click: function () {
                                        var button = $(this);
                                        if (button.is(selector.approve) || button.is(selector.deny) || click.call(element, $module) === false) {
                                            return;
                                        }
                                        module.hide();
                                    },
                                },
                            }));
                        });
                    }
                    module.cache = {};
                    module.verbose('Initializing dimmer', $context);

                    module.create.dimmer();

                    if (settings.allowMultiple) {
                        module.create.innerDimmer();
                    }
                    if (!settings.centered) {
                        $module.addClass('top aligned');
                    }
                    module.refreshModals();
                    module.bind.events();
                    module.observeChanges();
                    module.instantiate();
                    if (settings.autoShow) {
                        module.show();
                    }
                },

                instantiate: function () {
                    module.verbose('Storing instance of modal');
                    instance = module;
                    $module
                        .data(moduleNamespace, instance)
                    ;
                },

                create: {
                    modal: function () {
                        $module = $('<div/>', { class: className.modal, role: 'dialog', 'aria-modal': true });
                        if (settings.closeIcon) {
                            $closeIcon = $('<i/>', {
                                class: className.close,
                                role: 'button',
                                tabindex: 0,
                                'aria-label': settings.text.close,
                            });
                            $module.append($closeIcon);
                        }
                        if (settings.title !== '') {
                            var titleId = '_' + module.get.id() + 'title';
                            $module.attr('aria-labelledby', titleId);
                            $('<div/>', { class: className.title, id: titleId }).appendTo($module);
                        }
                        if (settings.content !== '') {
                            var descId = '_' + module.get.id() + 'desc';
                            $module.attr('aria-describedby', descId);
                            $('<div/>', { class: className.content, id: descId }).appendTo($module);
                        }
                        if (module.has.configActions()) {
                            $('<div/>', { class: className.actions }).appendTo($module);
                        }
                        $context.append($module);
                        element = $module[0];
                    },
                    dimmer: function () {
                        var
                            defaultSettings = {
                                debug: settings.debug,
                                dimmerName: 'modals',
                            },
                            dimmerSettings = $.extend(true, defaultSettings, settings.dimmerSettings)
                        ;
                        if ($.fn.dimmer === undefined) {
                            module.error(error.dimmer);

                            return;
                        }
                        module.debug('Creating dimmer');
                        $dimmable = $context.dimmer(dimmerSettings);
                        keepScrollingClass = module.is.scrolling();
                        if (settings.detachable) {
                            module.verbose('Modal is detachable, moving content into dimmer');
                            $dimmable.dimmer('add content', $module);
                        } else {
                            module.set.undetached();
                        }
                        $dimmer = $dimmable.dimmer('get dimmer');
                    },
                    id: function () {
                        id = (Math.random().toString(16) + '000000000').slice(2, 10);
                        elementEventNamespace = '.' + id;
                        module.verbose('Creating unique id for element', id);
                    },
                    innerDimmer: function () {
                        if ($module.find(selector.dimmer).length === 0) {
                            $('<div/>', { class: className.innerDimmer }).prependTo($module);
                        }
                    },
                },

                destroy: function () {
                    if (observer) {
                        observer.disconnect();
                    }
                    module.verbose('Destroying previous modal');
                    $module
                        .removeData(moduleNamespace)
                        .off(eventNamespace)
                    ;
                    $window.off(elementEventNamespace);
                    $context.off(elementEventNamespace);
                    $dimmer.off(elementEventNamespace);
                    $closeIcon.off(elementEventNamespace);
                    if ($inputs) {
                        $inputs.off(elementEventNamespace);
                    }
                    $context.dimmer('destroy');
                },

                observeChanges: function () {
                    if ('MutationObserver' in window) {
                        observer = new MutationObserver(function (mutations) {
                            var collectNodes = function (parent) {
                                    var nodes = [];
                                    for (var c = 0, cl = parent.length; c < cl; c++) {
                                        Array.prototype.push.apply(nodes, collectNodes(parent[c].childNodes));
                                        nodes.push(parent[c]);
                                    }

                                    return nodes;
                                },
                                shouldRefresh = false,
                                shouldRefreshInputs = false,
                                ignoreAutofocus = true
                            ;
                            mutations.every(function (mutation) {
                                if (mutation.type === 'attributes') {
                                    if (observeAttributes && (mutation.attributeName === 'disabled' || $(mutation.target).find(':input').addBack(':input').filter(':visible').length > 0)) {
                                        shouldRefreshInputs = true;
                                    }
                                } else {
                                    shouldRefresh = true;
                                    // mutationobserver only provides the parent nodes
                                    // so let's collect all childs as well to find nested inputs
                                    var $addedInputs = $(collectNodes(mutation.addedNodes)).filter('a[href], [tabindex], :input:enabled').filter(':visible'),
                                        $removedInputs = $(collectNodes(mutation.removedNodes)).filter('a[href], [tabindex], :input');
                                    if ($addedInputs.length > 0 || $removedInputs.length > 0) {
                                        shouldRefreshInputs = true;
                                        if ($addedInputs.filter(':input').length > 0 || $removedInputs.filter(':input').length > 0) {
                                            ignoreAutofocus = false;
                                        }
                                    }
                                }

                                return !shouldRefreshInputs;
                            });

                            if (shouldRefresh && settings.observeChanges) {
                                module.debug('DOM tree modified, refreshing');
                                module.refresh();
                            }
                            if (shouldRefreshInputs) {
                                module.refreshInputs(ignoreAutofocus);
                            }
                        });
                        observer.observe(element, {
                            attributeFilter: ['class', 'disabled'],
                            attributes: true,
                            childList: true,
                            subtree: true,
                        });
                        module.debug('Setting up mutation observer', observer);
                    }
                },

                refresh: function () {
                    module.remove.scrolling();
                    module.cacheSizes();
                    if (!module.can.useFlex()) {
                        module.set.modalOffset();
                    }
                    module.set.screenHeight();
                    module.set.type();
                },

                refreshModals: function () {
                    $otherModals = $module.siblings(selector.modal);
                    $allModals = $otherModals.add($module);
                },

                refreshInputs: function (ignoreAutofocus) {
                    if ($inputs) {
                        $inputs
                            .off('keydown' + elementEventNamespace)
                        ;
                    }
                    $inputs = $module.find('a[href], [tabindex], :input:enabled').filter(':visible').filter(function () {
                        return $(this).closest('.disabled').length === 0;
                    });
                    if ($inputs.filter(':input').length === 0) {
                        $inputs = $module.add($inputs);
                        $module.attr('tabindex', -1);
                    } else {
                        $module.removeAttr('tabindex');
                    }
                    $inputs.first()
                        .on('keydown' + elementEventNamespace, module.event.inputKeyDown.first)
                    ;
                    $inputs.last()
                        .on('keydown' + elementEventNamespace, module.event.inputKeyDown.last)
                    ;
                    if (!ignoreAutofocus && settings.autofocus && $inputs.filter(':focus').length === 0) {
                        module.set.autofocus();
                    }
                },

                attachEvents: function (selector, event) {
                    var
                        $toggle = $(selector)
                    ;
                    event = isFunction(module[event])
                        ? module[event]
                        : module.toggle;
                    if ($toggle.length > 0) {
                        module.debug('Attaching modal events to element', selector, event);
                        $toggle
                            .off(eventNamespace)
                            .on('click' + eventNamespace, event)
                        ;
                    } else {
                        module.error(error.notFound, selector);
                    }
                },

                bind: {
                    events: function () {
                        module.verbose('Attaching events');
                        $module
                            .on('click' + eventNamespace, selector.close, module.event.close)
                            .on('click' + eventNamespace, selector.approve, module.event.approve)
                            .on('click' + eventNamespace, selector.deny, module.event.deny)
                        ;
                        $closeIcon
                            .on('keyup' + elementEventNamespace, module.event.closeKeyUp)
                        ;
                        $window
                            .on('resize' + elementEventNamespace, module.event.resize)
                            .on('focus' + elementEventNamespace, module.event.focus)
                        ;
                        $context
                            .on('click' + elementEventNamespace, module.event.click)
                        ;
                    },
                    scrollLock: function () {
                        // touch events default to passive, due to changes in chrome to optimize mobile perf
                        $dimmable[0].addEventListener('touchmove', module.event.preventScroll, { passive: false });
                    },
                },

                unbind: {
                    scrollLock: function () {
                        $dimmable[0].removeEventListener('touchmove', module.event.preventScroll, { passive: false });
                    },
                },

                get: {
                    id: function () {
                        return id;
                    },
                    element: function () {
                        return $module;
                    },
                    settings: function () {
                        return settings;
                    },
                },

                event: {
                    approve: function () {
                        if (ignoreRepeatedEvents || settings.onApprove.call(element, $(this)) === false) {
                            module.verbose('Approve callback returned false cancelling hide');

                            return;
                        }
                        ignoreRepeatedEvents = true;
                        module.hide(function () {
                            ignoreRepeatedEvents = false;
                        });
                    },
                    preventScroll: function (event) {
                        if (event.target.className.indexOf('dimmer') !== -1) {
                            event.preventDefault();
                        }
                    },
                    deny: function () {
                        if (ignoreRepeatedEvents || settings.onDeny.call(element, $(this)) === false) {
                            module.verbose('Deny callback returned false cancelling hide');

                            return;
                        }
                        ignoreRepeatedEvents = true;
                        module.hide(function () {
                            ignoreRepeatedEvents = false;
                        });
                    },
                    close: function () {
                        module.hide();
                    },
                    closeKeyUp: function (event) {
                        var
                            keyCode   = event.which
                        ;
                        if ((keyCode === settings.keys.enter || keyCode === settings.keys.space) && $module.hasClass(className.front)) {
                            module.hide();
                        }
                    },
                    inputKeyDown: {
                        first: function (event) {
                            var
                                keyCode = event.which
                            ;
                            if (keyCode === settings.keys.tab && event.shiftKey) {
                                $inputs.last().trigger('focus');
                                event.preventDefault();
                            }
                        },
                        last: function (event) {
                            var
                                keyCode = event.which
                            ;
                            if (keyCode === settings.keys.tab && !event.shiftKey) {
                                $inputs.first().trigger('focus');
                                event.preventDefault();
                            }
                        },
                    },
                    mousedown: function (event) {
                        var
                            $target   = $(event.target),
                            isRtl = module.is.rtl()
                        ;
                        initialMouseDownInModal = $target.closest(selector.modal).length > 0;
                        if (initialMouseDownInModal) {
                            module.verbose('Mouse down event registered inside the modal');
                        }
                        initialMouseDownInScrollbar = module.is.scrolling() && ((!isRtl && $window.outerWidth() - settings.scrollbarWidth <= event.clientX) || (isRtl && settings.scrollbarWidth >= event.clientX));
                        if (initialMouseDownInScrollbar) {
                            module.verbose('Mouse down event registered inside the scrollbar');
                        }
                    },
                    mouseup: function (event) {
                        if (!settings.closable) {
                            module.verbose('Dimmer clicked but closable setting is disabled');

                            return;
                        }
                        if (initialMouseDownInModal) {
                            module.debug('Dimmer clicked but mouse down was initially registered inside the modal');

                            return;
                        }
                        if (initialMouseDownInScrollbar) {
                            module.debug('Dimmer clicked but mouse down was initially registered inside the scrollbar');

                            return;
                        }
                        var
                            $target   = $(event.target),
                            isInModal = $target.closest(selector.modal).length > 0,
                            isInDOM   = $.contains(document.documentElement, event.target)
                        ;
                        if (!isInModal && isInDOM && module.is.active() && $module.hasClass(className.front)) {
                            module.debug('Dimmer clicked, hiding all modals');
                            if (settings.allowMultiple) {
                                if (!module.hideAll()) {
                                    return;
                                }
                            } else if (!module.hide()) {
                                return;
                            }
                            module.remove.clickaway();
                        }
                    },
                    debounce: function (method, delay) {
                        clearTimeout(module.timer);
                        module.timer = setTimeout(function () { method(); }, delay);
                    },
                    keyboard: function (event) {
                        var
                            keyCode   = event.which
                        ;
                        if (keyCode === settings.keys.escape) {
                            if (settings.closable) {
                                module.debug('Escape key pressed hiding modal');
                                if ($module.hasClass(className.front)) {
                                    module.hide();
                                }
                            } else {
                                module.debug('Escape key pressed, but closable is set to false');
                            }
                            event.preventDefault();
                        }
                    },
                    resize: function () {
                        if ($dimmable.dimmer('is active') && (module.is.animating() || module.is.active())) {
                            requestAnimationFrame(module.refresh);
                        }
                    },
                    focus: function () {
                        windowRefocused = true;
                    },
                    click: function (event) {
                        if (windowRefocused && document.activeElement !== event.target && $dimmable.dimmer('is active') && module.is.active() && settings.autofocus && $(document.activeElement).closest(selector.modal).length === 0) {
                            requestAnimationFrame(module.set.autofocus);
                        }
                        windowRefocused = false;
                    },
                },

                toggle: function () {
                    if (module.is.active() || module.is.animating()) {
                        module.hide();
                    } else {
                        module.show();
                    }
                },

                show: function (callback) {
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    module.refreshModals();
                    module.set.dimmerSettings();
                    module.set.dimmerStyles();

                    module.showModal(callback);
                },

                hide: function (callback) {
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    module.refreshModals();

                    return module.hideModal(callback);
                },

                showModal: function (callback) {
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    if (module.is.animating() || !module.is.active()) {
                        if (settings.onShow.call(element) === false) {
                            module.verbose('Show callback returned false cancelling show');

                            return;
                        }
                        hadScrollbar = module.has.scrollbar();
                        module.showDimmer();
                        module.cacheSizes();
                        if (hadScrollbar) {
                            module.set.bodyMargin();
                        }
                        if (module.can.useFlex()) {
                            module.remove.legacy();
                        } else {
                            module.set.legacy();
                            module.set.modalOffset();
                            module.debug('Using non-flex legacy modal positioning.');
                        }
                        module.set.screenHeight();
                        module.set.type();
                        module.set.clickaway();

                        if (!settings.allowMultiple && module.others.active()) {
                            module.hideOthers(module.showModal);
                        } else {
                            ignoreRepeatedEvents = false;
                            if (settings.allowMultiple) {
                                if (module.others.active()) {
                                    $otherModals.filter('.' + className.active).find(selector.dimmer).removeClass('out').addClass('transition fade in active');
                                }

                                if (settings.detachable) {
                                    $module.detach().appendTo($dimmer);
                                }
                            }
                            if (settings.transition && $.fn.transition !== undefined) {
                                module.debug('Showing modal with css animations');
                                module.set.observeAttributes(false);
                                $module
                                    .transition({
                                        debug: settings.debug,
                                        verbose: settings.verbose,
                                        silent: settings.silent,
                                        animation: (settings.transition.showMethod || settings.transition) + ' in',
                                        queue: settings.queue,
                                        duration: settings.transition.showDuration || settings.duration,
                                        useFailSafe: true,
                                        onComplete: function () {
                                            settings.onVisible.apply(element);
                                            if (settings.keyboardShortcuts) {
                                                module.add.keyboardShortcuts();
                                            }
                                            module.save.focus();
                                            module.set.active();
                                            module.refreshInputs();
                                            requestAnimationFrame(module.set.observeAttributes);
                                            callback();
                                        },
                                    })
                                ;
                            } else {
                                module.error(error.noTransition);
                            }
                        }
                    } else {
                        module.debug('Modal is already visible');
                    }
                },

                hideModal: function (callback, keepDimmed, hideOthersToo) {
                    var
                        $previousModal = $otherModals.filter('.' + className.active).last()
                    ;
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    if (settings.onHide.call(element, $(this)) === false) {
                        module.verbose('Hide callback returned false cancelling hide');
                        ignoreRepeatedEvents = false;

                        return false;
                    }

                    if (module.is.animating() || module.is.active()) {
                        module.debug('Hiding modal');
                        if (settings.transition && $.fn.transition !== undefined) {
                            module.remove.active();
                            module.set.observeAttributes(false);
                            $module
                                .transition({
                                    debug: settings.debug,
                                    verbose: settings.verbose,
                                    silent: settings.silent,
                                    animation: (settings.transition.hideMethod || settings.transition) + ' out',
                                    queue: settings.queue,
                                    duration: settings.transition.hideDuration || settings.duration,
                                    useFailSafe: true,
                                    onStart: function () {
                                        if (!module.others.active() && !module.others.animating() && !keepDimmed) {
                                            module.hideDimmer();
                                        } else if (settings.allowMultiple) {
                                            (hideOthersToo ? $allModals : $previousModal).find(selector.dimmer).removeClass('in').addClass('out');
                                        }
                                        if (settings.keyboardShortcuts && !module.others.active()) {
                                            module.remove.keyboardShortcuts();
                                        }
                                    },
                                    onComplete: function () {
                                        module.unbind.scrollLock();
                                        module.remove.active();
                                        if (settings.allowMultiple) {
                                            $previousModal.addClass(className.front);
                                            $module.removeClass(className.front);

                                            (hideOthersToo ? $allModals : $previousModal).find(selector.dimmer).removeClass('active');
                                        }
                                        if (isFunction(settings.onHidden)) {
                                            settings.onHidden.call(element);
                                        }
                                        module.remove.dimmerStyles();
                                        module.restore.focus();
                                        callback();
                                    },
                                })
                            ;
                        } else {
                            module.error(error.noTransition);
                        }
                    }
                },

                showDimmer: function () {
                    if ($dimmable.dimmer('is animating') || !$dimmable.dimmer('is active')) {
                        if (hadScrollbar) {
                            if (!isBody) {
                                $dimmer.css('top', $dimmable.scrollTop());
                            }
                            module.save.bodyMargin();
                        }
                        module.debug('Showing dimmer');
                        $dimmable.dimmer('show');
                    } else {
                        module.debug('Dimmer already visible');
                    }
                },

                hideDimmer: function () {
                    if ($dimmable.dimmer('is animating') || $dimmable.dimmer('is active')) {
                        module.unbind.scrollLock();
                        $dimmable.dimmer('hide', function () {
                            if (hadScrollbar) {
                                module.restore.bodyMargin();
                            }
                            module.remove.clickaway();
                            module.remove.screenHeight();
                        });
                    } else {
                        module.debug('Dimmer is not visible cannot hide');
                    }
                },

                hideAll: function (callback) {
                    var
                        $visibleModals = $allModals.filter('.' + className.active + ', .' + className.animating)
                    ;
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    if ($visibleModals.length > 0) {
                        module.debug('Hiding all visible modals');
                        var hideOk = true;
                        // check in reverse order trying to hide most top displayed modal first
                        $($visibleModals.get().reverse()).each(function (index, element) {
                            if (hideOk) {
                                hideOk = $(element).modal('hide modal', callback, false, true);
                            }
                        });
                        if (hideOk) {
                            module.hideDimmer();
                        }

                        return hideOk;
                    }
                },

                hideOthers: function (callback) {
                    var
                        $visibleModals = $otherModals.filter('.' + className.active + ', .' + className.animating)
                    ;
                    callback = isFunction(callback)
                        ? callback
                        : function () {};
                    if ($visibleModals.length > 0) {
                        module.debug('Hiding other modals', $otherModals);
                        $visibleModals
                            .modal('hide modal', callback, true)
                        ;
                    }
                },

                others: {
                    active: function () {
                        return $otherModals.filter('.' + className.active).length > 0;
                    },
                    animating: function () {
                        return $otherModals.filter('.' + className.animating).length > 0;
                    },
                },

                add: {
                    keyboardShortcuts: function () {
                        module.verbose('Adding keyboard shortcuts');
                        $document
                            .on('keydown' + eventNamespace, module.event.keyboard)
                        ;
                    },
                },

                save: {
                    focus: function () {
                        var
                            $activeElement = $(document.activeElement),
                            inCurrentModal = $activeElement.closest($module).length > 0
                        ;
                        if (!inCurrentModal) {
                            $focusedElement = $(document.activeElement).trigger('blur');
                        }
                    },
                    bodyMargin: function () {
                        initialBodyMargin = $context.css((isBody ? 'margin-' : 'padding-') + (module.can.leftBodyScrollbar() ? 'left' : 'right'));
                        var
                            bodyMarginRightPixel = parseInt(initialBodyMargin.replace(/[^\d.]/g, ''), 10),
                            bodyScrollbarWidth = isBody ? window.innerWidth - document.documentElement.clientWidth : $context[0].offsetWidth - $context[0].clientWidth
                        ;
                        tempBodyMargin = bodyMarginRightPixel + bodyScrollbarWidth;
                    },
                },

                restore: {
                    focus: function () {
                        if ($focusedElement && $focusedElement.length > 0 && settings.restoreFocus) {
                            $focusedElement.trigger('focus');
                        }
                    },
                    bodyMargin: function () {
                        var position = module.can.leftBodyScrollbar() ? 'left' : 'right';
                        $context.css((isBody ? 'margin-' : 'padding-') + position, initialBodyMargin);
                        $context.find(selector.bodyFixed.replace('right', position)).each(function () {
                            var
                                el = $(this),
                                attribute = el.css('position') === 'fixed' ? 'padding-' + position : position
                            ;
                            el.css(attribute, '');
                        });
                    },
                },

                remove: {
                    active: function () {
                        $module.removeClass(className.active);
                    },
                    legacy: function () {
                        $module.removeClass(className.legacy);
                    },
                    clickaway: function () {
                        if (!settings.detachable) {
                            $module
                                .off('mousedown' + elementEventNamespace)
                            ;
                        }
                        $dimmer
                            .off('mousedown' + elementEventNamespace)
                        ;
                        $dimmer
                            .off('mouseup' + elementEventNamespace)
                        ;
                    },
                    dimmerStyles: function () {
                        $dimmer.removeClass(className.inverted);
                        $dimmable.removeClass(className.blurring);
                    },
                    bodyStyle: function () {
                        if ($context.attr('style') === '') {
                            module.verbose('Removing style attribute');
                            $context.removeAttr('style');
                        }
                    },
                    screenHeight: function () {
                        module.debug('Removing page height');
                        $context
                            .css('height', '')
                        ;
                        module.remove.bodyStyle();
                    },
                    keyboardShortcuts: function () {
                        module.verbose('Removing keyboard shortcuts');
                        $document
                            .off('keydown' + eventNamespace)
                        ;
                    },
                    scrolling: function () {
                        if (!keepScrollingClass) {
                            $dimmable.removeClass(className.scrolling);
                        }
                        $module.removeClass(className.scrolling);
                    },
                },

                cacheSizes: function () {
                    $module.addClass(className.loading);
                    var
                        scrollHeight = $module.prop('scrollHeight'),
                        modalWidth   = $module.outerWidth(),
                        modalHeight  = $module.outerHeight()
                    ;
                    if (module.cache.pageHeight === undefined || modalHeight !== 0) {
                        $.extend(module.cache, {
                            pageHeight: $document.outerHeight(),
                            width: modalWidth,
                            height: modalHeight + settings.offset,
                            scrollHeight: scrollHeight + settings.offset,
                            contextHeight: isBody
                                ? $window.height()
                                : $dimmable.height(),
                        });
                        module.cache.topOffset = -(module.cache.height / 2);
                    }
                    $module.removeClass(className.loading);
                    module.debug('Caching modal and container sizes', module.cache);
                },
                helpers: {
                    deQuote: function (string) {
                        return String(string).replace(/"/g, '');
                    },
                    escape: function (string, preserveHTML) {
                        if (preserveHTML) {
                            return string;
                        }
                        var
                            badChars     = /["'<>`]/g,
                            shouldEscape = /["&'<>`]/,
                            escape       = {
                                '<': '&lt;',
                                '>': '&gt;',
                                '"': '&quot;',
                                "'": '&#x27;',
                                '`': '&#x60;',
                            },
                            escapedChar  = function (chr) {
                                return escape[chr];
                            }
                        ;
                        if (shouldEscape.test(string)) {
                            string = string.replace(/&(?![\d#a-z]{1,12};)/gi, '&amp;');

                            return string.replace(badChars, escapedChar);
                        }

                        return string;
                    },
                },
                can: {
                    leftBodyScrollbar: function () {
                        if (module.cache.leftBodyScrollbar === undefined) {
                            module.cache.leftBodyScrollbar = module.is.rtl() && ((module.is.iframe && !module.is.firefox()) || module.is.safari() || module.is.edge() || module.is.ie());
                        }

                        return module.cache.leftBodyScrollbar;
                    },
                    useFlex: function () {
                        if (settings.useFlex === 'auto') {
                            return settings.detachable && !module.is.ie();
                        }
                        if (settings.useFlex && module.is.ie()) {
                            module.debug('useFlex true is not supported in IE');
                        } else if (settings.useFlex && !settings.detachable) {
                            module.debug('useFlex true in combination with detachable false is not supported');
                        }

                        return settings.useFlex;
                    },
                    fit: function () {
                        var
                            contextHeight  = module.cache.contextHeight,
                            verticalCenter = module.cache.contextHeight / 2,
                            topOffset      = module.cache.topOffset,
                            scrollHeight   = module.cache.scrollHeight,
                            height         = module.cache.height,
                            paddingHeight  = settings.padding,
                            startPosition  = verticalCenter + topOffset
                        ;

                        return scrollHeight > height
                            ? startPosition + scrollHeight + paddingHeight < contextHeight
                            : height + (paddingHeight * 2) < contextHeight;
                    },
                },
                has: {
                    configActions: function () {
                        return Array.isArray(settings.actions) && settings.actions.length > 0;
                    },
                    scrollbar: function () {
                        return isBody || $context.css('overflow-y') !== 'hidden';
                    },
                },
                is: {
                    active: function () {
                        return $module.hasClass(className.active);
                    },
                    ie: function () {
                        if (module.cache.isIE === undefined) {
                            var
                                isIE11 = !window.ActiveXObject && 'ActiveXObject' in window,
                                isIE = 'ActiveXObject' in window
                            ;
                            module.cache.isIE = isIE11 || isIE;
                        }

                        return module.cache.isIE;
                    },
                    animating: function () {
                        return $module.transition('is animating');
                    },
                    scrolling: function () {
                        return $dimmable.hasClass(className.scrolling);
                    },
                    modernBrowser: function () {
                        // appName for IE11 reports 'Netscape' can no longer use
                        return !(window.ActiveXObject || 'ActiveXObject' in window);
                    },
                    rtl: function () {
                        if (module.cache.isRTL === undefined) {
                            module.cache.isRTL = $module.attr('dir') === 'rtl' || $module.css('direction') === 'rtl' || $body.attr('dir') === 'rtl' || $body.css('direction') === 'rtl' || $context.attr('dir') === 'rtl' || $context.css('direction') === 'rtl';
                        }

                        return module.cache.isRTL;
                    },
                    safari: function () {
                        if (module.cache.isSafari === undefined) {
                            module.cache.isSafari = /constructor/i.test(window.HTMLElement) || !!window.ApplePaySession;
                        }

                        return module.cache.isSafari;
                    },
                    edge: function () {
                        if (module.cache.isEdge === undefined) {
                            module.cache.isEdge = !!window.setImmediate && !module.is.ie();
                        }

                        return module.cache.isEdge;
                    },
                    firefox: function () {
                        if (module.cache.isFirefox === undefined) {
                            module.cache.isFirefox = !!window.InstallTrigger;
                        }

                        return module.cache.isFirefox;
                    },
                    iframe: function () {
                        return !(self === top);
                    },
                },

                set: {
                    observeAttributes: function (state) {
                        observeAttributes = state !== false;
                    },
                    autofocus: function () {
                        var
                            $autofocus = $inputs.filter('[autofocus]'),
                            $rawInputs = $inputs.filter(':input'),
                            $input     = ($autofocus.length > 0
                                ? $autofocus
                                : ($rawInputs.length > 0
                                    ? $rawInputs
                                    : $module)
                            ).first()
                        ;
                        $input.trigger('focus');
                    },
                    bodyMargin: function () {
                        var position = module.can.leftBodyScrollbar() ? 'left' : 'right';
                        if (settings.detachable || module.can.fit()) {
                            $context.css((isBody ? 'margin-' : 'padding-') + position, tempBodyMargin + 'px');
                        }
                        $context.find(selector.bodyFixed.replace('right', position)).each(function () {
                            var
                                el = $(this),
                                attribute = el.css('position') === 'fixed' ? 'padding-' + position : position
                            ;
                            el.css(attribute, 'calc(' + el.css(attribute) + ' + ' + tempBodyMargin + 'px)');
                        });
                    },
                    clickaway: function () {
                        if (!settings.detachable) {
                            $module
                                .on('mousedown' + elementEventNamespace, module.event.mousedown)
                            ;
                        }
                        $dimmer
                            .on('mousedown' + elementEventNamespace, module.event.mousedown)
                        ;
                        $dimmer
                            .on('mouseup' + elementEventNamespace, module.event.mouseup)
                        ;
                    },
                    dimmerSettings: function () {
                        if ($.fn.dimmer === undefined) {
                            module.error(error.dimmer);

                            return;
                        }
                        var
                            defaultSettings = {
                                debug: settings.debug,
                                dimmerName: 'modals',
                                closable: 'auto',
                                useFlex: module.can.useFlex(),
                                duration: {
                                    show: settings.transition.showDuration || settings.duration,
                                    hide: settings.transition.hideDuration || settings.duration,
                                },
                            },
                            dimmerSettings = $.extend(true, defaultSettings, settings.dimmerSettings)
                        ;
                        if (settings.inverted) {
                            dimmerSettings.variation = dimmerSettings.variation !== undefined
                                ? dimmerSettings.variation + ' inverted'
                                : 'inverted';
                        }
                        $context.dimmer('setting', dimmerSettings);
                    },
                    dimmerStyles: function () {
                        if (settings.inverted) {
                            $dimmer.addClass(className.inverted);
                        } else {
                            $dimmer.removeClass(className.inverted);
                        }
                        if (settings.blurring) {
                            $dimmable.addClass(className.blurring);
                        } else {
                            $dimmable.removeClass(className.blurring);
                        }
                    },
                    modalOffset: function () {
                        if (!settings.detachable) {
                            var canFit = module.can.fit();
                            $module
                                .css({
                                    top: !$module.hasClass('aligned') && canFit
                                        ? $document.scrollTop() + (module.cache.contextHeight - module.cache.height) / 2
                                        : (!canFit || $module.hasClass('top')
                                            ? $document.scrollTop() + settings.padding
                                            : $document.scrollTop() + (module.cache.contextHeight - module.cache.height - settings.padding)),
                                    marginLeft: -(module.cache.width / 2),
                                })
                            ;
                        } else {
                            $module
                                .css({
                                    marginTop: !$module.hasClass('aligned') && module.can.fit()
                                        ? -(module.cache.height / 2)
                                        : settings.padding / 2,
                                    marginLeft: -(module.cache.width / 2),
                                })
                            ;
                        }
                        module.verbose('Setting modal offset for legacy mode');
                    },
                    screenHeight: function () {
                        if (module.can.fit()) {
                            $context.css('height', '');
                        } else if (!$module.hasClass('bottom')) {
                            module.debug('Modal is taller than page content, resizing page height');
                            $context
                                .css('height', module.cache.height + (settings.padding * 2) + 'px')
                            ;
                        }
                    },
                    active: function () {
                        $module.addClass(className.active + ' ' + className.front);
                        $otherModals.filter('.' + className.active).removeClass(className.front);
                    },
                    scrolling: function () {
                        $dimmable.addClass(className.scrolling);
                        $module.addClass(className.scrolling);
                        module.unbind.scrollLock();
                    },
                    legacy: function () {
                        $module.addClass(className.legacy);
                    },
                    type: function () {
                        if (module.can.fit()) {
                            module.verbose('Modal fits on screen');
                            if (!module.others.active() && !module.others.animating()) {
                                module.remove.scrolling();
                                module.bind.scrollLock();
                            }
                        } else if (!$module.hasClass('bottom')) {
                            module.verbose('Modal cannot fit on screen setting to scrolling');
                            module.set.scrolling();
                        } else {
                            module.verbose('Bottom aligned modal not fitting on screen is unsupported for scrolling');
                        }
                    },
                    undetached: function () {
                        $dimmable.addClass(className.undetached);
                    },
                },

                setting: function (name, value) {
                    module.debug('Changing setting', name, value);
                    if ($.isPlainObject(name)) {
                        $.extend(true, settings, name);
                    } else if (value !== undefined) {
                        if ($.isPlainObject(settings[name])) {
                            $.extend(true, settings[name], value);
                        } else {
                            settings[name] = value;
                        }
                    } else {
                        return settings[name];
                    }
                },
                internal: function (name, value) {
                    if ($.isPlainObject(name)) {
                        $.extend(true, module, name);
                    } else if (value !== undefined) {
                        module[name] = value;
                    } else {
                        return module[name];
                    }
                },
                debug: function () {
                    if (!settings.silent && settings.debug) {
                        if (settings.performance) {
                            module.performance.log(arguments);
                        } else {
                            module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
                            module.debug.apply(console, arguments);
                        }
                    }
                },
                verbose: function () {
                    if (!settings.silent && settings.verbose && settings.debug) {
                        if (settings.performance) {
                            module.performance.log(arguments);
                        } else {
                            module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
                            module.verbose.apply(console, arguments);
                        }
                    }
                },
                error: function () {
                    if (!settings.silent) {
                        module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
                        module.error.apply(console, arguments);
                    }
                },
                performance: {
                    log: function (message) {
                        var
                            currentTime,
                            executionTime,
                            previousTime
                        ;
                        if (settings.performance) {
                            currentTime = Date.now();
                            previousTime = time || currentTime;
                            executionTime = currentTime - previousTime;
                            time = currentTime;
                            performance.push({
                                Name: message[0],
                                Arguments: [].slice.call(message, 1) || '',
                                Element: element,
                                'Execution Time': executionTime,
                            });
                        }
                        clearTimeout(module.performance.timer);
                        module.performance.timer = setTimeout(function () { module.performance.display(); }, 500);
                    },
                    display: function () {
                        var
                            title = settings.name + ':',
                            totalTime = 0
                        ;
                        time = false;
                        clearTimeout(module.performance.timer);
                        $.each(performance, function (index, data) {
                            totalTime += data['Execution Time'];
                        });
                        title += ' ' + totalTime + 'ms';
                        if (performance.length > 0) {
                            console.groupCollapsed(title);
                            if (console.table) {
                                console.table(performance);
                            } else {
                                $.each(performance, function (index, data) {
                                    console.log(data.Name + ': ' + data['Execution Time'] + 'ms');
                                });
                            }
                            console.groupEnd();
                        }
                        performance = [];
                    },
                },
                invoke: function (query, passedArguments, context) {
                    var
                        object = instance,
                        maxDepth,
                        found,
                        response
                    ;
                    passedArguments = passedArguments || queryArguments;
                    context = context || element;
                    if (typeof query === 'string' && object !== undefined) {
                        query = query.split(/[ .]/);
                        maxDepth = query.length - 1;
                        $.each(query, function (depth, value) {
                            var camelCaseValue = depth !== maxDepth
                                ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
                                : query;
                            if ($.isPlainObject(object[camelCaseValue]) && (depth !== maxDepth)) {
                                object = object[camelCaseValue];
                            } else if (object[camelCaseValue] !== undefined) {
                                found = object[camelCaseValue];

                                return false;
                            } else if ($.isPlainObject(object[value]) && (depth !== maxDepth)) {
                                object = object[value];
                            } else if (object[value] !== undefined) {
                                found = object[value];

                                return false;
                            } else {
                                module.error(error.method, query);

                                return false;
                            }
                        });
                    }
                    if (isFunction(found)) {
                        response = found.apply(context, passedArguments);
                    } else if (found !== undefined) {
                        response = found;
                    }
                    if (Array.isArray(returnedValue)) {
                        returnedValue.push(response);
                    } else if (returnedValue !== undefined) {
                        returnedValue = [returnedValue, response];
                    } else if (response !== undefined) {
                        returnedValue = response;
                    }

                    return found;
                },
            };

            if (methodInvoked) {
                if (instance === undefined) {
                    if (isFunction(settings.templates[query])) {
                        settings.autoShow = true;
                        settings.className.modal = settings.className.template;
                        settings = $.extend(true, {}, settings, settings.templates[query].apply(module, queryArguments));

                        // reassign shortcuts
                        className = settings.className;
                        namespace = settings.namespace;
                        fields = settings.fields;
                        error = settings.error;
                    }
                    module.initialize();
                }
                if (!isFunction(settings.templates[query])) {
                    module.invoke(query);
                }
            } else {
                if (instance !== undefined) {
                    instance.invoke('destroy');
                }
                module.initialize();
                returnedValue = $module;
            }
        });

        return returnedValue !== undefined
            ? returnedValue
            : this;
    };
    $.modal = $.fn.modal;

    $.fn.modal.settings = {

        name: 'Modal',
        namespace: 'modal',

        useFlex: 'auto',
        offset: 0,

        silent: false,
        debug: false,
        verbose: false,
        performance: true,

        observeChanges: false,

        allowMultiple: false,
        detachable: true,
        closable: true,
        autofocus: true,
        restoreFocus: true,
        autoShow: false,

        inverted: false,
        blurring: false,

        centered: true,

        dimmerSettings: {
            closable: false,
            useCSS: true,
        },

        // whether to use keyboard shortcuts
        keyboardShortcuts: true,

        context: 'body',

        queue: false,
        duration: 500,
        transition: 'scale',

        // padding with edge of page
        padding: 50,
        scrollbarWidth: 10,

        // dynamic content
        title: '',
        content: '',
        class: '',
        classTitle: '',
        classContent: '',
        classActions: '',
        closeIcon: false,
        actions: false,
        preserveHTML: true,

        fields: {
            class: 'class',
            text: 'text',
            icon: 'icon',
            click: 'click',
        },

        // called before show animation
        onShow: function () {},

        // called after show animation
        onVisible: function () {},

        // called before hide animation
        onHide: function () {
            return true;
        },

        // called after hide animation
        onHidden: false,

        // called after approve selector match
        onApprove: function () {
            return true;
        },

        // called after deny selector match
        onDeny: function () {
            return true;
        },

        keys: {
            space: 32,
            enter: 13,
            escape: 27,
            tab: 9,
        },

        selector: {
            title: '> .header',
            content: '> .content',
            actions: '> .actions',
            close: '> .close',
            closeIcon: '> .close',
            approve: '.actions .positive, .actions .approve, .actions .ok',
            deny: '.actions .negative, .actions .deny, .actions .cancel',
            modal: '.ui.modal',
            dimmer: '> .ui.dimmer',
            bodyFixed: '> .ui.fixed.menu, > .ui.right.toast-container, > .ui.right.sidebar, > .ui.fixed.nag, > .ui.fixed.nag > .close',
            prompt: '.ui.input > input',
        },
        error: {
            dimmer: 'UI Dimmer, a required component is not included in this page',
            method: 'The method you called is not defined.',
            notFound: 'The element you specified could not be found',
        },
        className: {
            active: 'active',
            animating: 'animating',
            blurring: 'blurring',
            inverted: 'inverted',
            legacy: 'legacy',
            loading: 'loading',
            scrolling: 'scrolling',
            undetached: 'undetached',
            front: 'front',
            close: 'close icon',
            button: 'ui button',
            modal: 'ui modal',
            title: 'header',
            content: 'content',
            actions: 'actions',
            template: 'ui tiny modal',
            ok: 'positive',
            cancel: 'negative',
            prompt: 'ui fluid input',
            innerDimmer: 'ui inverted dimmer',
        },
        text: {
            ok: 'Ok',
            cancel: 'Cancel',
            close: 'Close',
        },
    };

    $.fn.modal.settings.templates = {
        getArguments: function (args) {
            var queryArguments = [].slice.call(args);
            if ($.isPlainObject(queryArguments[0])) {
                return $.extend({
                    handler: function () {},
                    content: '',
                    title: '',
                }, queryArguments[0]);
            }
            if (!isFunction(queryArguments[queryArguments.length - 1])) {
                queryArguments.push(function () {});
            }

            return {
                handler: queryArguments.pop(),
                content: queryArguments.pop() || '',
                title: queryArguments.pop() || '',
            };
        },
        alert: function () {
            var
                settings = this.get.settings(),
                args     = settings.templates.getArguments(arguments),
                approveFn = args.handler
            ;

            return {
                title: args.title,
                content: args.content,
                onApprove: approveFn,
                actions: [{
                    text: settings.text.ok,
                    class: settings.className.ok,
                    click: approveFn,
                }],
            };
        },
        confirm: function () {
            var
                settings = this.get.settings(),
                args     = settings.templates.getArguments(arguments),
                approveFn = function () {
                    args.handler(true);
                },
                denyFn = function () {
                    args.handler(false);
                }
            ;

            return {
                title: args.title,
                content: args.content,
                onApprove: approveFn,
                onDeny: denyFn,
                actions: [{
                    text: settings.text.ok,
                    class: settings.className.ok,
                    click: approveFn,
                }, {
                    text: settings.text.cancel,
                    class: settings.className.cancel,
                    click: denyFn,
                }],
            };
        },
        prompt: function () {
            var
                $this    = this,
                settings = this.get.settings(),
                args     = settings.templates.getArguments(arguments),
                input    = $($.parseHTML(args.content)).filter('.ui.input'),
                approveFn = function () {
                    var
                        settings = $this.get.settings(),
                        inputField = $this.get.element().find(settings.selector.prompt)[0]
                    ;
                    args.handler($(inputField).val());
                },
                denyFn = function () {
                    args.handler(null);
                }
            ;
            if (input.length === 0) {
                args.content += '<p><div class="' + this.helpers.deQuote(settings.className.prompt) + '"><input placeholder="' + this.helpers.deQuote(args.placeholder || '') + '" type="text" value="' + this.helpers.deQuote(args.defaultValue || '') + '"></div></p>';
            }

            return {
                title: args.title,
                content: args.content,
                onApprove: approveFn,
                onDeny: denyFn,
                actions: [{
                    text: settings.text.ok,
                    class: settings.className.ok,
                    click: approveFn,
                }, {
                    text: settings.text.cancel,
                    class: settings.className.cancel,
                    click: denyFn,
                }],
            };
        },
    };
})(jQuery, window, document);