2022-01-13 13:00:31 +00:00
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/*!
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2023-08-17 09:47:40 +00:00
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* # Fomantic-UI 2.9.2 - Sticky
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* https://github.com/fomantic/Fomantic-UI/
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2022-01-13 13:00:31 +00:00
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*
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*
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* Released under the MIT license
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2023-08-17 09:47:40 +00:00
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* https://opensource.org/licenses/MIT
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2022-01-13 13:00:31 +00:00
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*
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*/
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2023-08-17 09:47:40 +00:00
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(function ($, window, document) {
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'use strict';
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function isFunction(obj) {
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return typeof obj === 'function' && typeof obj.nodeType !== 'number';
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}
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2022-01-13 13:00:31 +00:00
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2023-08-17 09:47:40 +00:00
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window = window !== undefined && window.Math === Math
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? window
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: globalThis;
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2022-01-13 13:00:31 +00:00
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2023-08-17 09:47:40 +00:00
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$.fn.sticky = function (parameters) {
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var
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$allModules = $(this),
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$document = $(document),
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moduleSelector = $allModules.selector || '',
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time = Date.now(),
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performance = [],
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query = arguments[0],
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methodInvoked = typeof query === 'string',
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queryArguments = [].slice.call(arguments, 1),
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returnedValue
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;
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$allModules.each(function () {
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var
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settings = $.isPlainObject(parameters)
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? $.extend(true, {}, $.fn.sticky.settings, parameters)
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: $.extend({}, $.fn.sticky.settings),
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className = settings.className,
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namespace = settings.namespace,
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error = settings.error,
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eventNamespace = '.' + namespace,
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moduleNamespace = 'module-' + namespace,
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$module = $(this),
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$window = $(window),
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$scroll = [window, document].indexOf(settings.scrollContext) < 0 ? $document.find(settings.scrollContext) : $(settings.scrollContext),
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$container,
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$context,
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instance = $module.data(moduleNamespace),
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element = this,
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documentObserver,
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observer,
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module
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;
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module = {
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initialize: function () {
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module.determineContainer();
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module.determineContext();
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module.verbose('Initializing sticky', settings, $container);
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module.save.positions();
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module.checkErrors();
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module.bind.events();
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if (settings.observeChanges) {
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module.observeChanges();
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}
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module.instantiate();
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},
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instantiate: function () {
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module.verbose('Storing instance of module', module);
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instance = module;
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$module
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.data(moduleNamespace, module)
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;
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},
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destroy: function () {
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module.verbose('Destroying previous instance');
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module.reset();
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if (documentObserver) {
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documentObserver.disconnect();
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}
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if (observer) {
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observer.disconnect();
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}
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$window
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.off('load' + eventNamespace, module.event.load)
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.off('resize' + eventNamespace, module.event.resize)
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;
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$scroll
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.off('scrollchange' + eventNamespace, module.event.scrollchange)
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;
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$module.removeData(moduleNamespace);
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},
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observeChanges: function () {
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if ('MutationObserver' in window) {
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documentObserver = new MutationObserver(module.event.documentChanged);
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observer = new MutationObserver(module.event.changed);
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documentObserver.observe(document, {
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childList: true,
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subtree: true,
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});
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observer.observe(element, {
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childList: true,
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subtree: true,
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});
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observer.observe($context[0], {
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childList: true,
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subtree: true,
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});
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module.debug('Setting up mutation observer', observer);
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}
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},
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determineContainer: function () {
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if (settings.container) {
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$container = [window, document].indexOf(settings.container) < 0 ? $document.find(settings.container) : $(settings.container);
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} else {
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$container = $module.offsetParent();
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}
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},
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determineContext: function () {
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if (settings.context) {
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$context = [window, document].indexOf(settings.context) < 0 ? $document.find(settings.context) : $(settings.context);
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} else {
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$context = $container;
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}
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if ($context.length === 0) {
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module.error(error.invalidContext, settings.context, $module);
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}
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},
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checkErrors: function () {
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if (module.is.hidden()) {
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module.error(error.visible, $module);
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}
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if (module.cache.element.height > module.cache.context.height) {
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module.reset();
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module.error(error.elementSize, $module);
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}
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},
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bind: {
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events: function () {
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$window
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.on('load' + eventNamespace, module.event.load)
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.on('resize' + eventNamespace, module.event.resize)
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;
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// pub/sub pattern
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$scroll
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.off('scroll' + eventNamespace)
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.on('scroll' + eventNamespace, module.event.scroll)
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.on('scrollchange' + eventNamespace, module.event.scrollchange)
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;
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},
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},
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event: {
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changed: function (mutations) {
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clearTimeout(module.timer);
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module.timer = setTimeout(function () {
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module.verbose('DOM tree modified, updating sticky menu', mutations);
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module.refresh();
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}, 100);
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},
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documentChanged: function (mutations) {
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[].forEach.call(mutations, function (mutation) {
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if (mutation.removedNodes) {
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[].forEach.call(mutation.removedNodes, function (node) {
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if (node === element || $(node).find(element).length > 0) {
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module.debug('Element removed from DOM, tearing down events');
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module.destroy();
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}
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});
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}
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});
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},
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load: function () {
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module.verbose('Page contents finished loading');
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requestAnimationFrame(module.refresh);
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},
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resize: function () {
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module.verbose('Window resized');
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requestAnimationFrame(module.refresh);
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},
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scroll: function () {
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requestAnimationFrame(function () {
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$scroll.triggerHandler('scrollchange' + eventNamespace, $scroll.scrollTop());
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});
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},
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scrollchange: function (event, scrollPosition) {
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module.stick(scrollPosition);
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settings.onScroll.call(element);
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},
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},
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refresh: function (hardRefresh) {
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module.reset();
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if (!settings.context) {
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module.determineContext();
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}
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if (hardRefresh) {
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module.determineContainer();
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}
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module.save.positions();
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module.stick();
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settings.onReposition.call(element);
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},
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supports: {
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sticky: function () {
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var
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$element = $('<div/>')
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;
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$element.addClass(className.supported);
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return $element.css('position').match('sticky');
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},
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},
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save: {
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lastScroll: function (scroll) {
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module.lastScroll = scroll;
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},
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elementScroll: function (scroll) {
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module.elementScroll = scroll;
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},
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positions: function () {
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var
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scrollContext = {
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height: $scroll.height(),
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},
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element = {
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margin: {
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top: parseInt($module.css('margin-top'), 10),
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bottom: parseInt($module.css('margin-bottom'), 10),
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},
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offset: $module.offset(),
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width: $module.outerWidth(),
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height: $module.outerHeight(),
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},
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context = {
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offset: $context.offset(),
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height: $context.outerHeight(),
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}
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;
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if (!module.is.standardScroll()) {
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module.debug('Non-standard scroll. Removing scroll offset from element offset');
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scrollContext.top = $scroll.scrollTop();
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scrollContext.left = $scroll.scrollLeft();
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element.offset.top += scrollContext.top;
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context.offset.top += scrollContext.top;
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element.offset.left += scrollContext.left;
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context.offset.left += scrollContext.left;
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}
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module.cache = {
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fits: (element.height + settings.offset) <= scrollContext.height,
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sameHeight: element.height === context.height,
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scrollContext: {
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height: scrollContext.height,
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},
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element: {
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margin: element.margin,
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top: element.offset.top - element.margin.top,
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left: element.offset.left,
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width: element.width,
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height: element.height,
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bottom: element.offset.top + element.height,
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},
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context: {
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top: context.offset.top,
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height: context.height,
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bottom: context.offset.top + context.height,
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},
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};
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module.set.containerSize();
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module.stick();
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module.debug('Caching element positions', module.cache);
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},
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},
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get: {
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direction: function (scroll) {
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var
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direction = 'down'
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;
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scroll = scroll || $scroll.scrollTop();
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if (module.lastScroll && module.lastScroll > scroll) {
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direction = 'up';
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}
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return direction;
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},
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scrollChange: function (scroll) {
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scroll = scroll || $scroll.scrollTop();
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return module.lastScroll
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? scroll - module.lastScroll
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: 0;
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},
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currentElementScroll: function () {
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if (module.elementScroll) {
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return module.elementScroll;
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}
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return module.is.top()
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|
? Math.abs(parseInt($module.css('top'), 10)) || 0
|
|
|
|
|
: Math.abs(parseInt($module.css('bottom'), 10)) || 0;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
elementScroll: function (scroll) {
|
|
|
|
|
scroll = scroll || $scroll.scrollTop();
|
|
|
|
|
var
|
|
|
|
|
element = module.cache.element,
|
|
|
|
|
scrollContext = module.cache.scrollContext,
|
|
|
|
|
delta = module.get.scrollChange(scroll),
|
|
|
|
|
maxScroll = element.height - scrollContext.height + settings.offset,
|
|
|
|
|
elementScroll = module.get.currentElementScroll(),
|
|
|
|
|
possibleScroll = elementScroll + delta
|
|
|
|
|
;
|
|
|
|
|
if (module.cache.fits || possibleScroll < 0) {
|
|
|
|
|
elementScroll = 0;
|
|
|
|
|
} else if (possibleScroll > maxScroll) {
|
|
|
|
|
elementScroll = maxScroll;
|
|
|
|
|
} else {
|
|
|
|
|
elementScroll = possibleScroll;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return elementScroll;
|
|
|
|
|
},
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
remove: {
|
|
|
|
|
lastScroll: function () {
|
|
|
|
|
delete module.lastScroll;
|
|
|
|
|
},
|
|
|
|
|
elementScroll: function () {
|
|
|
|
|
delete module.elementScroll;
|
|
|
|
|
},
|
|
|
|
|
minimumSize: function () {
|
|
|
|
|
$container
|
|
|
|
|
.css('min-height', '')
|
|
|
|
|
;
|
|
|
|
|
},
|
|
|
|
|
offset: function () {
|
|
|
|
|
$module.css('margin-top', '');
|
|
|
|
|
},
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
set: {
|
|
|
|
|
offset: function () {
|
|
|
|
|
module.verbose('Setting offset on element', settings.offset);
|
|
|
|
|
$module
|
|
|
|
|
.css('margin-top', settings.offset)
|
|
|
|
|
;
|
|
|
|
|
},
|
|
|
|
|
containerSize: function () {
|
|
|
|
|
var
|
|
|
|
|
tagName = $container[0].tagName
|
|
|
|
|
;
|
|
|
|
|
if (tagName === 'HTML' || tagName === 'body') {
|
|
|
|
|
module.determineContainer();
|
|
|
|
|
} else {
|
|
|
|
|
var tallestHeight = Math.max(module.cache.context.height, module.cache.element.height);
|
|
|
|
|
if (tallestHeight - $container.outerHeight() > settings.jitter) {
|
|
|
|
|
module.debug('Context is taller than container. Specifying exact height for container', module.cache.context.height);
|
|
|
|
|
$container.css({
|
|
|
|
|
height: tallestHeight,
|
|
|
|
|
});
|
|
|
|
|
} else {
|
|
|
|
|
$container.css({
|
|
|
|
|
height: '',
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
if (Math.abs($container.outerHeight() - module.cache.context.height) > settings.jitter) {
|
|
|
|
|
module.debug('Context has padding, specifying exact height for container', module.cache.context.height);
|
|
|
|
|
$container.css({
|
|
|
|
|
height: module.cache.context.height,
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
minimumSize: function () {
|
|
|
|
|
var
|
|
|
|
|
element = module.cache.element
|
|
|
|
|
;
|
|
|
|
|
$container
|
|
|
|
|
.css('min-height', element.height)
|
|
|
|
|
;
|
|
|
|
|
},
|
|
|
|
|
scroll: function (scroll) {
|
|
|
|
|
module.debug('Setting scroll on element', scroll);
|
|
|
|
|
if (module.elementScroll === scroll) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if (module.is.top()) {
|
|
|
|
|
$module
|
|
|
|
|
.css('bottom', '')
|
|
|
|
|
.css('top', -scroll + 'px')
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
if (module.is.bottom()) {
|
|
|
|
|
$module
|
|
|
|
|
.css('top', '')
|
|
|
|
|
.css('bottom', scroll + 'px')
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
size: function () {
|
|
|
|
|
if (module.cache.element.height !== 0 && module.cache.element.width !== 0) {
|
|
|
|
|
element.style.setProperty('width', module.cache.element.width + 'px', 'important');
|
|
|
|
|
element.style.setProperty('height', module.cache.element.height + 'px', 'important');
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
is: {
|
|
|
|
|
standardScroll: function () {
|
|
|
|
|
return $scroll[0] === window;
|
|
|
|
|
},
|
|
|
|
|
top: function () {
|
|
|
|
|
return $module.hasClass(className.top);
|
|
|
|
|
},
|
|
|
|
|
bottom: function () {
|
|
|
|
|
return $module.hasClass(className.bottom);
|
|
|
|
|
},
|
|
|
|
|
initialPosition: function () {
|
|
|
|
|
return !module.is.fixed() && !module.is.bound();
|
|
|
|
|
},
|
|
|
|
|
hidden: function () {
|
|
|
|
|
return !$module.is(':visible');
|
|
|
|
|
},
|
|
|
|
|
bound: function () {
|
|
|
|
|
return $module.hasClass(className.bound);
|
|
|
|
|
},
|
|
|
|
|
fixed: function () {
|
|
|
|
|
return $module.hasClass(className.fixed);
|
|
|
|
|
},
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
stick: function (scrollPosition) {
|
|
|
|
|
var
|
|
|
|
|
cachedPosition = scrollPosition || $scroll.scrollTop(),
|
|
|
|
|
cache = module.cache,
|
|
|
|
|
fits = cache.fits,
|
|
|
|
|
sameHeight = cache.sameHeight,
|
|
|
|
|
element = cache.element,
|
|
|
|
|
scrollContext = cache.scrollContext,
|
|
|
|
|
context = cache.context,
|
|
|
|
|
offset = module.is.bottom() && settings.pushing
|
|
|
|
|
? settings.bottomOffset
|
|
|
|
|
: settings.offset,
|
|
|
|
|
scroll = {
|
|
|
|
|
top: cachedPosition + offset,
|
|
|
|
|
bottom: cachedPosition + offset + scrollContext.height,
|
|
|
|
|
},
|
|
|
|
|
elementScroll = fits
|
|
|
|
|
? 0
|
|
|
|
|
: module.get.elementScroll(scroll.top),
|
|
|
|
|
|
|
|
|
|
// shorthand
|
|
|
|
|
doesntFit = !fits,
|
|
|
|
|
elementVisible = element.height !== 0
|
|
|
|
|
;
|
|
|
|
|
if (elementVisible && !sameHeight) {
|
|
|
|
|
if (module.is.initialPosition()) {
|
|
|
|
|
if (scroll.top >= context.bottom) {
|
|
|
|
|
module.debug('Initial element position is bottom of container');
|
|
|
|
|
module.bindBottom();
|
|
|
|
|
} else if (scroll.top > element.top) {
|
|
|
|
|
if ((element.height + scroll.top - elementScroll) >= context.bottom && element.height < context.height) {
|
|
|
|
|
module.debug('Initial element position is bottom of container');
|
|
|
|
|
module.bindBottom();
|
|
|
|
|
} else {
|
|
|
|
|
module.debug('Initial element position is fixed');
|
|
|
|
|
module.fixTop();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if (module.is.fixed()) {
|
|
|
|
|
if (module.is.top()) {
|
|
|
|
|
if (scroll.top <= element.top) {
|
|
|
|
|
module.debug('Fixed element reached top of container');
|
|
|
|
|
module.setInitialPosition();
|
|
|
|
|
} else if ((element.height + scroll.top - elementScroll) >= context.bottom) {
|
|
|
|
|
module.debug('Fixed element reached bottom of container');
|
|
|
|
|
module.bindBottom();
|
|
|
|
|
} else if (doesntFit) { // scroll element if larger than screen
|
|
|
|
|
module.set.scroll(elementScroll);
|
|
|
|
|
module.save.lastScroll(scroll.top);
|
|
|
|
|
module.save.elementScroll(elementScroll);
|
|
|
|
|
}
|
|
|
|
|
} else if (module.is.bottom()) {
|
|
|
|
|
if ((scroll.bottom - element.height) <= element.top) { // top edge
|
|
|
|
|
module.debug('Bottom fixed rail has reached top of container');
|
|
|
|
|
module.setInitialPosition();
|
|
|
|
|
} else if (scroll.bottom >= context.bottom) { // bottom edge
|
|
|
|
|
module.debug('Bottom fixed rail has reached bottom of container');
|
|
|
|
|
module.bindBottom();
|
|
|
|
|
} else if (doesntFit) { // scroll element if larger than screen
|
|
|
|
|
module.set.scroll(elementScroll);
|
|
|
|
|
module.save.lastScroll(scroll.top);
|
|
|
|
|
module.save.elementScroll(elementScroll);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if (module.is.bottom()) {
|
|
|
|
|
if (scroll.top <= element.top) {
|
|
|
|
|
module.debug('Jumped from bottom fixed to top fixed, most likely used home/end button');
|
|
|
|
|
module.setInitialPosition();
|
|
|
|
|
} else {
|
|
|
|
|
if (settings.pushing) {
|
|
|
|
|
if (module.is.bound() && scroll.bottom <= context.bottom) {
|
|
|
|
|
module.debug('Fixing bottom attached element to bottom of browser.');
|
|
|
|
|
module.fixBottom();
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (module.is.bound() && (scroll.top <= context.bottom - element.height)) {
|
|
|
|
|
module.debug('Fixing bottom attached element to top of browser.');
|
|
|
|
|
module.fixTop();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
bindTop: function () {
|
|
|
|
|
module.debug('Binding element to top of parent container');
|
|
|
|
|
module.remove.offset();
|
|
|
|
|
if (settings.setSize) {
|
|
|
|
|
module.set.size();
|
|
|
|
|
}
|
|
|
|
|
$module
|
|
|
|
|
.css({
|
|
|
|
|
left: '',
|
|
|
|
|
top: '',
|
|
|
|
|
marginBottom: '',
|
|
|
|
|
})
|
|
|
|
|
.removeClass(className.fixed)
|
|
|
|
|
.removeClass(className.bottom)
|
|
|
|
|
.addClass(className.bound)
|
|
|
|
|
.addClass(className.top)
|
|
|
|
|
;
|
|
|
|
|
settings.onTop.call(element);
|
|
|
|
|
settings.onUnstick.call(element);
|
|
|
|
|
},
|
|
|
|
|
bindBottom: function () {
|
|
|
|
|
module.debug('Binding element to bottom of parent container');
|
|
|
|
|
module.remove.offset();
|
|
|
|
|
if (settings.setSize) {
|
|
|
|
|
module.set.size();
|
|
|
|
|
}
|
|
|
|
|
$module
|
|
|
|
|
.css({
|
|
|
|
|
left: '',
|
|
|
|
|
top: '',
|
|
|
|
|
})
|
|
|
|
|
.removeClass(className.fixed)
|
|
|
|
|
.removeClass(className.top)
|
|
|
|
|
.addClass(className.bound)
|
|
|
|
|
.addClass(className.bottom)
|
|
|
|
|
;
|
|
|
|
|
settings.onBottom.call(element);
|
|
|
|
|
settings.onUnstick.call(element);
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
setInitialPosition: function () {
|
|
|
|
|
module.debug('Returning to initial position');
|
|
|
|
|
module.unfix();
|
|
|
|
|
module.unbind();
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
fixTop: function () {
|
|
|
|
|
module.debug('Fixing element to top of page');
|
|
|
|
|
if (settings.setSize) {
|
|
|
|
|
module.set.size();
|
|
|
|
|
}
|
|
|
|
|
module.set.minimumSize();
|
|
|
|
|
module.set.offset();
|
|
|
|
|
$module
|
|
|
|
|
.css({
|
|
|
|
|
left: module.cache.element.left,
|
|
|
|
|
bottom: '',
|
|
|
|
|
marginBottom: '',
|
|
|
|
|
})
|
|
|
|
|
.removeClass(className.bound)
|
|
|
|
|
.removeClass(className.bottom)
|
|
|
|
|
.addClass(className.fixed)
|
|
|
|
|
.addClass(className.top)
|
|
|
|
|
;
|
|
|
|
|
settings.onStick.call(element);
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
fixBottom: function () {
|
|
|
|
|
module.debug('Sticking element to bottom of page');
|
|
|
|
|
if (settings.setSize) {
|
|
|
|
|
module.set.size();
|
|
|
|
|
}
|
|
|
|
|
module.set.minimumSize();
|
|
|
|
|
module.set.offset();
|
|
|
|
|
$module
|
|
|
|
|
.css({
|
|
|
|
|
left: module.cache.element.left,
|
|
|
|
|
bottom: '',
|
|
|
|
|
marginBottom: '',
|
|
|
|
|
})
|
|
|
|
|
.removeClass(className.bound)
|
|
|
|
|
.removeClass(className.top)
|
|
|
|
|
.addClass(className.fixed)
|
|
|
|
|
.addClass(className.bottom)
|
|
|
|
|
;
|
|
|
|
|
settings.onStick.call(element);
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
unbind: function () {
|
|
|
|
|
if (module.is.bound()) {
|
|
|
|
|
module.debug('Removing container bound position on element');
|
|
|
|
|
module.remove.offset();
|
|
|
|
|
$module
|
|
|
|
|
.removeClass(className.bound)
|
|
|
|
|
.removeClass(className.top)
|
|
|
|
|
.removeClass(className.bottom)
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
unfix: function () {
|
|
|
|
|
if (module.is.fixed()) {
|
|
|
|
|
module.debug('Removing fixed position on element');
|
|
|
|
|
module.remove.minimumSize();
|
|
|
|
|
module.remove.offset();
|
|
|
|
|
$module
|
|
|
|
|
.removeClass(className.fixed)
|
|
|
|
|
.removeClass(className.top)
|
|
|
|
|
.removeClass(className.bottom)
|
|
|
|
|
;
|
|
|
|
|
settings.onUnstick.call(element);
|
|
|
|
|
}
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
reset: function () {
|
|
|
|
|
module.debug('Resetting elements position');
|
|
|
|
|
module.unbind();
|
|
|
|
|
module.unfix();
|
|
|
|
|
module.resetCSS();
|
|
|
|
|
module.remove.offset();
|
|
|
|
|
module.remove.lastScroll();
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
resetCSS: function () {
|
|
|
|
|
$module
|
|
|
|
|
.css({
|
|
|
|
|
width: '',
|
|
|
|
|
height: '',
|
|
|
|
|
})
|
|
|
|
|
;
|
|
|
|
|
$container
|
|
|
|
|
.css({
|
|
|
|
|
height: '',
|
|
|
|
|
})
|
|
|
|
|
;
|
|
|
|
|
},
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
setting: function (name, value) {
|
|
|
|
|
if ($.isPlainObject(name)) {
|
|
|
|
|
$.extend(true, settings, name);
|
|
|
|
|
} else if (value !== undefined) {
|
|
|
|
|
settings[name] = value;
|
|
|
|
|
} else {
|
|
|
|
|
return settings[name];
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
internal: function (name, value) {
|
|
|
|
|
if ($.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(module.performance.display, 0);
|
|
|
|
|
},
|
|
|
|
|
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 (moduleSelector) {
|
|
|
|
|
title += ' \'' + moduleSelector + '\'';
|
|
|
|
|
}
|
|
|
|
|
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;
|
|
|
|
|
},
|
|
|
|
|
};
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
if (methodInvoked) {
|
|
|
|
|
if (instance === undefined) {
|
|
|
|
|
module.initialize();
|
2022-01-13 13:00:31 +00:00
|
|
|
}
|
2023-08-17 09:47:40 +00:00
|
|
|
module.invoke(query);
|
|
|
|
|
} else {
|
|
|
|
|
if (instance !== undefined) {
|
|
|
|
|
instance.invoke('destroy');
|
2022-01-13 13:00:31 +00:00
|
|
|
}
|
2023-08-17 09:47:40 +00:00
|
|
|
module.initialize();
|
2022-01-13 13:00:31 +00:00
|
|
|
}
|
2023-08-17 09:47:40 +00:00
|
|
|
});
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
return returnedValue !== undefined
|
|
|
|
|
? returnedValue
|
|
|
|
|
: this;
|
|
|
|
|
};
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
$.fn.sticky.settings = {
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
name: 'Sticky',
|
|
|
|
|
namespace: 'sticky',
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
silent: false,
|
|
|
|
|
debug: false,
|
|
|
|
|
verbose: true,
|
|
|
|
|
performance: true,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
// whether to stick in the opposite direction on scroll up
|
|
|
|
|
pushing: false,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
context: false,
|
|
|
|
|
container: false,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
// Context to watch scroll events
|
|
|
|
|
scrollContext: window,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
// Offset to adjust scroll
|
|
|
|
|
offset: 0,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
// Offset to adjust scroll when attached to bottom of screen
|
|
|
|
|
bottomOffset: 0,
|
2022-01-13 13:00:31 +00:00
|
|
|
|
2023-08-17 09:47:40 +00:00
|
|
|
// will only set container height if difference between context and container is larger than this number
|
|
|
|
|
jitter: 5,
|
|
|
|
|
|
|
|
|
|
// set width of sticky element when it is fixed to page (used to make sure 100% width is maintained if no fixed size set)
|
|
|
|
|
setSize: true,
|
|
|
|
|
|
|
|
|
|
// Whether to automatically observe changes with Mutation Observers
|
|
|
|
|
observeChanges: false,
|
|
|
|
|
|
|
|
|
|
// Called when position is recalculated
|
|
|
|
|
onReposition: function () {},
|
|
|
|
|
|
|
|
|
|
// Called on each scroll
|
|
|
|
|
onScroll: function () {},
|
|
|
|
|
|
|
|
|
|
// Called when element is stuck to viewport
|
|
|
|
|
onStick: function () {},
|
|
|
|
|
|
|
|
|
|
// Called when element is unstuck from viewport
|
|
|
|
|
onUnstick: function () {},
|
|
|
|
|
|
|
|
|
|
// Called when element reaches top of context
|
|
|
|
|
onTop: function () {},
|
|
|
|
|
|
|
|
|
|
// Called when element reaches bottom of context
|
|
|
|
|
onBottom: function () {},
|
|
|
|
|
|
|
|
|
|
error: {
|
|
|
|
|
visible: 'Element is hidden, you must call refresh after element becomes visible. Use silent setting to suppress this warning in production.',
|
|
|
|
|
method: 'The method you called is not defined.',
|
|
|
|
|
invalidContext: 'Context specified does not exist',
|
|
|
|
|
elementSize: 'Sticky element is larger than its container, cannot create sticky.',
|
2022-01-13 13:00:31 +00:00
|
|
|
},
|
2023-08-17 09:47:40 +00:00
|
|
|
|
|
|
|
|
className: {
|
|
|
|
|
bound: 'bound',
|
|
|
|
|
fixed: 'fixed',
|
|
|
|
|
supported: 'native',
|
|
|
|
|
top: 'top',
|
|
|
|
|
bottom: 'bottom',
|
2022-01-13 13:00:31 +00:00
|
|
|
},
|
2023-08-17 09:47:40 +00:00
|
|
|
|
|
|
|
|
};
|
|
|
|
|
})(jQuery, window, document);
|
