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-rw-r--r--semantic/dist/components/sticky.js957
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diff --git a/semantic/dist/components/sticky.js b/semantic/dist/components/sticky.js
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--- a/semantic/dist/components/sticky.js
+++ /dev/null
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-/*!
- * # Fomantic-UI - Sticky
- * http://github.com/fomantic/Fomantic-UI/
- *
- *
- * Released under the MIT license
- * http://opensource.org/licenses/MIT
- *
- */
-
-;(function ($, window, document, undefined) {
-
-'use strict';
-
-$.isFunction = $.isFunction || function(obj) {
- return typeof obj === "function" && typeof obj.nodeType !== "number";
-};
-
-window = (typeof window != 'undefined' && window.Math == Math)
- ? window
- : (typeof self != 'undefined' && self.Math == Math)
- ? self
- : Function('return this')()
-;
-
-$.fn.sticky = function(parameters) {
- var
- $allModules = $(this),
- moduleSelector = $allModules.selector || '',
-
- time = new Date().getTime(),
- performance = [],
-
- query = arguments[0],
- methodInvoked = (typeof query == 'string'),
- queryArguments = [].slice.call(arguments, 1),
- returnedValue
- ;
-
- $allModules
- .each(function() {
- var
- settings = ( $.isPlainObject(parameters) )
- ? $.extend(true, {}, $.fn.sticky.settings, parameters)
- : $.extend({}, $.fn.sticky.settings),
-
- className = settings.className,
- namespace = settings.namespace,
- error = settings.error,
-
- eventNamespace = '.' + namespace,
- moduleNamespace = 'module-' + namespace,
-
- $module = $(this),
- $window = $(window),
- $scroll = $(settings.scrollContext),
- $container,
- $context,
-
- instance = $module.data(moduleNamespace),
-
- requestAnimationFrame = window.requestAnimationFrame
- || window.mozRequestAnimationFrame
- || window.webkitRequestAnimationFrame
- || window.msRequestAnimationFrame
- || function(callback) { setTimeout(callback, 0); },
-
- element = this,
-
- documentObserver,
- observer,
- module
- ;
-
- module = {
-
- initialize: function() {
-
- module.determineContainer();
- module.determineContext();
- module.verbose('Initializing sticky', settings, $container);
-
- module.save.positions();
- module.checkErrors();
- module.bind.events();
-
- if(settings.observeChanges) {
- module.observeChanges();
- }
- module.instantiate();
- },
-
- instantiate: function() {
- module.verbose('Storing instance of module', module);
- instance = module;
- $module
- .data(moduleNamespace, module)
- ;
- },
-
- destroy: function() {
- module.verbose('Destroying previous instance');
- module.reset();
- if(documentObserver) {
- documentObserver.disconnect();
- }
- if(observer) {
- observer.disconnect();
- }
- $window
- .off('load' + eventNamespace, module.event.load)
- .off('resize' + eventNamespace, module.event.resize)
- ;
- $scroll
- .off('scrollchange' + eventNamespace, module.event.scrollchange)
- ;
- $module.removeData(moduleNamespace);
- },
-
- observeChanges: function() {
- if('MutationObserver' in window) {
- documentObserver = new MutationObserver(module.event.documentChanged);
- observer = new MutationObserver(module.event.changed);
- documentObserver.observe(document, {
- childList : true,
- subtree : true
- });
- observer.observe(element, {
- childList : true,
- subtree : true
- });
- observer.observe($context[0], {
- childList : true,
- subtree : true
- });
- module.debug('Setting up mutation observer', observer);
- }
- },
-
- determineContainer: function() {
- if(settings.container) {
- $container = $(settings.container);
- }
- else {
- $container = $module.offsetParent();
- }
- },
-
- determineContext: function() {
- if(settings.context) {
- $context = $(settings.context);
- }
- else {
- $context = $container;
- }
- if($context.length === 0) {
- module.error(error.invalidContext, settings.context, $module);
- return;
- }
- },
-
- checkErrors: function() {
- if( module.is.hidden() ) {
- module.error(error.visible, $module);
- }
- if(module.cache.element.height > module.cache.context.height) {
- module.reset();
- module.error(error.elementSize, $module);
- return;
- }
- },
-
- bind: {
- events: function() {
- $window
- .on('load' + eventNamespace, module.event.load)
- .on('resize' + eventNamespace, module.event.resize)
- ;
- // pub/sub pattern
- $scroll
- .off('scroll' + eventNamespace)
- .on('scroll' + eventNamespace, module.event.scroll)
- .on('scrollchange' + eventNamespace, module.event.scrollchange)
- ;
- }
- },
-
- event: {
- changed: function(mutations) {
- clearTimeout(module.timer);
- module.timer = setTimeout(function() {
- module.verbose('DOM tree modified, updating sticky menu', mutations);
- module.refresh();
- }, 100);
- },
- documentChanged: function(mutations) {
- [].forEach.call(mutations, function(mutation) {
- if(mutation.removedNodes) {
- [].forEach.call(mutation.removedNodes, function(node) {
- if(node == element || $(node).find(element).length > 0) {
- module.debug('Element removed from DOM, tearing down events');
- module.destroy();
- }
- });
- }
- });
- },
- load: function() {
- module.verbose('Page contents finished loading');
- requestAnimationFrame(module.refresh);
- },
- resize: function() {
- module.verbose('Window resized');
- requestAnimationFrame(module.refresh);
- },
- scroll: function() {
- requestAnimationFrame(function() {
- $scroll.triggerHandler('scrollchange' + eventNamespace, $scroll.scrollTop() );
- });
- },
- scrollchange: function(event, scrollPosition) {
- module.stick(scrollPosition);
- settings.onScroll.call(element);
- }
- },
-
- refresh: function(hardRefresh) {
- module.reset();
- if(!settings.context) {
- module.determineContext();
- }
- if(hardRefresh) {
- module.determineContainer();
- }
- module.save.positions();
- module.stick();
- settings.onReposition.call(element);
- },
-
- supports: {
- sticky: function() {
- var
- $element = $('<div/>')
- ;
- $element.addClass(className.supported);
- return($element.css('position').match('sticky'));
- }
- },
-
- save: {
- lastScroll: function(scroll) {
- module.lastScroll = scroll;
- },
- elementScroll: function(scroll) {
- module.elementScroll = scroll;
- },
- positions: function() {
- var
- scrollContext = {
- height : $scroll.height()
- },
- element = {
- margin: {
- top : parseInt($module.css('margin-top'), 10),
- bottom : parseInt($module.css('margin-bottom'), 10),
- },
- offset : $module.offset(),
- width : $module.outerWidth(),
- height : $module.outerHeight()
- },
- context = {
- offset : $context.offset(),
- height : $context.outerHeight()
- }
- ;
- if( !module.is.standardScroll() ) {
- module.debug('Non-standard scroll. Removing scroll offset from element offset');
-
- scrollContext.top = $scroll.scrollTop();
- scrollContext.left = $scroll.scrollLeft();
-
- element.offset.top += scrollContext.top;
- context.offset.top += scrollContext.top;
- element.offset.left += scrollContext.left;
- context.offset.left += scrollContext.left;
- }
- module.cache = {
- fits : ( (element.height + settings.offset) <= scrollContext.height),
- sameHeight : (element.height == context.height),
- scrollContext : {
- height : scrollContext.height
- },
- element: {
- margin : element.margin,
- top : element.offset.top - element.margin.top,
- left : element.offset.left,
- width : element.width,
- height : element.height,
- bottom : element.offset.top + element.height
- },
- context: {
- top : context.offset.top,
- height : context.height,
- bottom : context.offset.top + context.height
- }
- };
- module.set.containerSize();
-
- module.stick();
- module.debug('Caching element positions', module.cache);
- }
- },
-
- get: {
- direction: function(scroll) {
- var
- direction = 'down'
- ;
- scroll = scroll || $scroll.scrollTop();
- if(module.lastScroll !== undefined) {
- if(module.lastScroll < scroll) {
- direction = 'down';
- }
- else if(module.lastScroll > scroll) {
- direction = 'up';
- }
- }
- return direction;
- },
- scrollChange: function(scroll) {
- scroll = scroll || $scroll.scrollTop();
- return (module.lastScroll)
- ? (scroll - module.lastScroll)
- : 0
- ;
- },
- currentElementScroll: function() {
- if(module.elementScroll) {
- return module.elementScroll;
- }
- return ( module.is.top() )
- ? Math.abs(parseInt($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;
- }
- },
-
- remove: {
- lastScroll: function() {
- delete module.lastScroll;
- },
- elementScroll: function(scroll) {
- delete module.elementScroll;
- },
- minimumSize: function() {
- $container
- .css('min-height', '')
- ;
- },
- offset: function() {
- $module.css('margin-top', '');
- }
- },
-
- set: {
- offset: function() {
- module.verbose('Setting offset on element', settings.offset);
- $module
- .css('margin-top', settings.offset)
- ;
- },
- containerSize: function() {
- var
- tagName = $container.get(0).tagName
- ;
- if(tagName === 'HTML' || tagName == 'body') {
- // this can trigger for too many reasons
- //module.error(error.container, tagName, $module);
- module.determineContainer();
- }
- else {
- if( Math.abs($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)
- ;
- }
- if( module.is.bottom() ) {
- $module
- .css('top', '')
- .css('bottom', scroll)
- ;
- }
- },
- size: function() {
- if(module.cache.element.height !== 0 && module.cache.element.width !== 0) {
- element.style.setProperty('width', module.cache.element.width + 'px', 'important');
- element.style.setProperty('height', module.cache.element.height + 'px', 'important');
- }
- }
- },
-
- is: {
- standardScroll: function() {
- return ($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);
- }
- },
-
- stick: function(scroll) {
- var
- cachedPosition = scroll || $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 ) {
- 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() ) {
-
- // currently fixed top
- 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();
- }
- // scroll element if larger than screen
- else if(doesntFit) {
- module.set.scroll(elementScroll);
- module.save.lastScroll(scroll.top);
- module.save.elementScroll(elementScroll);
- }
- }
-
- // currently fixed bottom
- else if(module.is.bottom() ) {
-
- // top edge
- if( (scroll.bottom - element.height) <= element.top) {
- module.debug('Bottom fixed rail has reached top of container');
- module.setInitialPosition();
- }
- // bottom edge
- else if(scroll.bottom >= context.bottom) {
- module.debug('Bottom fixed rail has reached bottom of container');
- module.bindBottom();
- }
- // scroll element if larger than screen
- else if(doesntFit) {
- 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();
- }
- }
- }
- }
- }
- },
-
- bindTop: function() {
- module.debug('Binding element to top of parent container');
- module.remove.offset();
- $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();
- $module
- .css({
- left : '',
- top : ''
- })
- .removeClass(className.fixed)
- .removeClass(className.top)
- .addClass(className.bound)
- .addClass(className.bottom)
- ;
- settings.onBottom.call(element);
- settings.onUnstick.call(element);
- },
-
- setInitialPosition: function() {
- module.debug('Returning to initial position');
- module.unfix();
- module.unbind();
- },
-
-
- 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);
- },
-
- 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);
- },
-
- 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)
- ;
- }
- },
-
- 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);
- }
- },
-
- reset: function() {
- module.debug('Resetting elements position');
- module.unbind();
- module.unfix();
- module.resetCSS();
- module.remove.offset();
- module.remove.lastScroll();
- },
-
- resetCSS: function() {
- $module
- .css({
- width : '',
- height : ''
- })
- ;
- $container
- .css({
- height: ''
- })
- ;
- },
-
- 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 = new Date().getTime();
- 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( (console.group !== undefined || console.table !== undefined) && 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 = element || context;
- 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 {
- return false;
- }
- });
- }
- if ( $.isFunction( found ) ) {
- response = found.apply(context, passedArguments);
- }
- else if(found !== undefined) {
- response = found;
- }
- if(Array.isArray(returnedValue)) {
- returnedValue.push(response);
- }
- else if(returnedValue !== undefined) {
- returnedValue = [returnedValue, response];
- }
- else if(response !== undefined) {
- returnedValue = response;
- }
- return found;
- }
- };
-
- if(methodInvoked) {
- if(instance === undefined) {
- module.initialize();
- }
- module.invoke(query);
- }
- else {
- if(instance !== undefined) {
- instance.invoke('destroy');
- }
- module.initialize();
- }
- })
- ;
-
- return (returnedValue !== undefined)
- ? returnedValue
- : this
- ;
-};
-
-$.fn.sticky.settings = {
-
- name : 'Sticky',
- namespace : 'sticky',
-
- silent : false,
- debug : false,
- verbose : true,
- performance : true,
-
- // whether to stick in the opposite direction on scroll up
- pushing : false,
-
- context : false,
- container : false,
-
- // Context to watch scroll events
- scrollContext : window,
-
- // Offset to adjust scroll
- offset : 0,
-
- // Offset to adjust scroll when attached to bottom of screen
- bottomOffset : 0,
-
- // 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 : {
- container : 'Sticky element must be inside a relative container',
- visible : 'Element is hidden, you must call refresh after element becomes visible. Use silent setting to surpress 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.'
- },
-
- className : {
- bound : 'bound',
- fixed : 'fixed',
- supported : 'native',
- top : 'top',
- bottom : 'bottom'
- }
-
-};
-
-})( jQuery, window, document );
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 14:53:11 +0000