Een simpele webpagina die zo duidelijk mogelijk de maatregelen omtrent COVID-19 bij Harambee communiceert.
https://covid-19.harambee.utwente.nl
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3869 lines
140 KiB
3869 lines
140 KiB
/*!
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* fullPage 3.0.2
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* https://github.com/alvarotrigo/fullPage.js
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*
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* @license GPLv3 for open source use only
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* or Fullpage Commercial License for commercial use
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* http://alvarotrigo.com/fullPage/pricing/
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*
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* Copyright (C) 2018 http://alvarotrigo.com/fullPage - A project by Alvaro Trigo
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*/
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(function( root, window, document, factory, undefined) {
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if( typeof define === 'function' && define.amd ) {
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// AMD. Register as an anonymous module.
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define( function() {
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root.fullpage = factory(window, document);
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return root.fullpage;
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} );
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} else if( typeof exports === 'object' ) {
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// Node. Does not work with strict CommonJS.
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module.exports = factory(window, document);
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} else {
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// Browser globals.
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window.fullpage = factory(window, document);
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}
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}(this, window, document, function(window, document){
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'use strict';
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// keeping central set of classnames and selectors
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var WRAPPER = 'fullpage-wrapper';
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var WRAPPER_SEL = '.' + WRAPPER;
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// slimscroll
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var SCROLLABLE = 'fp-scrollable';
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var SCROLLABLE_SEL = '.' + SCROLLABLE;
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// util
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var RESPONSIVE = 'fp-responsive';
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var NO_TRANSITION = 'fp-notransition';
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var DESTROYED = 'fp-destroyed';
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var ENABLED = 'fp-enabled';
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var VIEWING_PREFIX = 'fp-viewing';
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var ACTIVE = 'active';
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var ACTIVE_SEL = '.' + ACTIVE;
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var COMPLETELY = 'fp-completely';
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var COMPLETELY_SEL = '.' + COMPLETELY;
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// section
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var SECTION_DEFAULT_SEL = '.section';
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var SECTION = 'fp-section';
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var SECTION_SEL = '.' + SECTION;
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var SECTION_ACTIVE_SEL = SECTION_SEL + ACTIVE_SEL;
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var TABLE_CELL = 'fp-tableCell';
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var TABLE_CELL_SEL = '.' + TABLE_CELL;
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var AUTO_HEIGHT = 'fp-auto-height';
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var AUTO_HEIGHT_SEL = '.' + AUTO_HEIGHT;
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var NORMAL_SCROLL = 'fp-normal-scroll';
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var NORMAL_SCROLL_SEL = '.' + NORMAL_SCROLL;
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// section nav
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var SECTION_NAV = 'fp-nav';
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var SECTION_NAV_SEL = '#' + SECTION_NAV;
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var SECTION_NAV_TOOLTIP = 'fp-tooltip';
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var SECTION_NAV_TOOLTIP_SEL='.'+SECTION_NAV_TOOLTIP;
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var SHOW_ACTIVE_TOOLTIP = 'fp-show-active';
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// slide
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var SLIDE_DEFAULT_SEL = '.slide';
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var SLIDE = 'fp-slide';
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var SLIDE_SEL = '.' + SLIDE;
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var SLIDE_ACTIVE_SEL = SLIDE_SEL + ACTIVE_SEL;
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var SLIDES_WRAPPER = 'fp-slides';
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var SLIDES_WRAPPER_SEL = '.' + SLIDES_WRAPPER;
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var SLIDES_CONTAINER = 'fp-slidesContainer';
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var SLIDES_CONTAINER_SEL = '.' + SLIDES_CONTAINER;
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var TABLE = 'fp-table';
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// slide nav
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var SLIDES_NAV = 'fp-slidesNav';
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var SLIDES_NAV_SEL = '.' + SLIDES_NAV;
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var SLIDES_NAV_LINK_SEL = SLIDES_NAV_SEL + ' a';
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var SLIDES_ARROW = 'fp-controlArrow';
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var SLIDES_ARROW_SEL = '.' + SLIDES_ARROW;
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var SLIDES_PREV = 'fp-prev';
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var SLIDES_PREV_SEL = '.' + SLIDES_PREV;
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var SLIDES_ARROW_PREV = SLIDES_ARROW + ' ' + SLIDES_PREV;
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var SLIDES_ARROW_PREV_SEL = SLIDES_ARROW_SEL + SLIDES_PREV_SEL;
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var SLIDES_NEXT = 'fp-next';
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var SLIDES_NEXT_SEL = '.' + SLIDES_NEXT;
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var SLIDES_ARROW_NEXT = SLIDES_ARROW + ' ' + SLIDES_NEXT;
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var SLIDES_ARROW_NEXT_SEL = SLIDES_ARROW_SEL + SLIDES_NEXT_SEL;
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function initialise(containerSelector, options) {
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var isLicenseValid = options && new RegExp('([\\d\\w]{8}-){3}[\\d\\w]{8}|OPEN-SOURCE-GPLV3-LICENSE').test(options.licenseKey) || document.domain.indexOf('alvarotrigo.com') > -1;
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//only once my friend!
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if(hasClass($('html'), ENABLED)){ displayWarnings(); return; }
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// common jQuery objects
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var $htmlBody = $('html, body');
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var $body = $('body')[0];
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var FP = {};
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// Creating some defaults, extending them with any options that were provided
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options = deepExtend({
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//navigation
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menu: false,
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anchors:[],
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lockAnchors: false,
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navigation: false,
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navigationPosition: 'right',
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navigationTooltips: [],
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showActiveTooltip: false,
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slidesNavigation: false,
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slidesNavPosition: 'bottom',
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scrollBar: false,
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hybrid: false,
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//scrolling
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css3: true,
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scrollingSpeed: 700,
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autoScrolling: true,
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fitToSection: true,
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fitToSectionDelay: 1000,
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easing: 'easeInOutCubic',
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easingcss3: 'ease',
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loopBottom: false,
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loopTop: false,
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loopHorizontal: true,
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continuousVertical: false,
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continuousHorizontal: false,
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scrollHorizontally: false,
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interlockedSlides: false,
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dragAndMove: false,
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offsetSections: false,
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resetSliders: false,
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fadingEffect: false,
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normalScrollElements: null,
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scrollOverflow: false,
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scrollOverflowReset: false,
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scrollOverflowHandler: window.fp_scrolloverflow ? window.fp_scrolloverflow.iscrollHandler : null,
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scrollOverflowOptions: null,
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touchSensitivity: 5,
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normalScrollElementTouchThreshold: 5,
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bigSectionsDestination: null,
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//Accessibility
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keyboardScrolling: true,
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animateAnchor: true,
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recordHistory: true,
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//design
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controlArrows: true,
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controlArrowColor: '#fff',
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verticalCentered: true,
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sectionsColor : [],
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paddingTop: 0,
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paddingBottom: 0,
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fixedElements: null,
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responsive: 0, //backwards compabitility with responsiveWiddth
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responsiveWidth: 0,
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responsiveHeight: 0,
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responsiveSlides: false,
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parallax: false,
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parallaxOptions: {
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type: 'reveal',
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percentage: 62,
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property: 'translate'
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},
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//Custom selectors
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sectionSelector: SECTION_DEFAULT_SEL,
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slideSelector: SLIDE_DEFAULT_SEL,
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//events
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v2compatible: false,
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afterLoad: null,
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onLeave: null,
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afterRender: null,
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afterResize: null,
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afterReBuild: null,
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afterSlideLoad: null,
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onSlideLeave: null,
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afterResponsive: null,
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lazyLoading: true
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}, options);
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//flag to avoid very fast sliding for landscape sliders
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var slideMoving = false;
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var isTouchDevice = navigator.userAgent.match(/(iPhone|iPod|iPad|Android|playbook|silk|BlackBerry|BB10|Windows Phone|Tizen|Bada|webOS|IEMobile|Opera Mini)/);
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var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0) || (navigator.maxTouchPoints));
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var container = typeof containerSelector === 'string' ? $(containerSelector)[0] : containerSelector;
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var windowsHeight = getWindowHeight();
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var isResizing = false;
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var isWindowFocused = true;
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var lastScrolledDestiny;
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var lastScrolledSlide;
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var canScroll = true;
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var scrollings = [];
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var controlPressed;
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var startingSection;
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var isScrollAllowed = {};
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isScrollAllowed.m = { 'up':true, 'down':true, 'left':true, 'right':true };
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isScrollAllowed.k = deepExtend({}, isScrollAllowed.m);
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var MSPointer = getMSPointer();
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var events = {
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touchmove: 'ontouchmove' in window ? 'touchmove' : MSPointer.move,
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touchstart: 'ontouchstart' in window ? 'touchstart' : MSPointer.down
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};
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var scrollBarHandler;
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// taken from https://github.com/udacity/ud891/blob/gh-pages/lesson2-focus/07-modals-and-keyboard-traps/solution/modal.js
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var focusableElementsString = 'a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, [tabindex="0"], [contenteditable]';
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//timeouts
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var resizeId;
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var afterSectionLoadsId;
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var afterSlideLoadsId;
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var scrollId;
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var scrollId2;
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var keydownId;
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var originals = deepExtend({}, options); //deep copy
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var activeAnimation;
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displayWarnings();
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//easeInOutCubic animation included in the plugin
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window.fp_easings = deepExtend(window.fp_easings, {
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easeInOutCubic: function (t, b, c, d) {
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if ((t/=d/2) < 1) return c/2*t*t*t + b;return c/2*((t-=2)*t*t + 2) + b;
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}
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});
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/**
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* Sets the autoScroll option.
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* It changes the scroll bar visibility and the history of the site as a result.
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*/
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function setAutoScrolling(value, type){
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//removing the transformation
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if(!value){
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silentScroll(0);
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}
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setVariableState('autoScrolling', value, type);
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var element = $(SECTION_ACTIVE_SEL)[0];
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if(options.autoScrolling && !options.scrollBar){
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css($htmlBody, {
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'overflow': 'hidden',
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'height': '100%'
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});
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setRecordHistory(originals.recordHistory, 'internal');
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//for IE touch devices
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css(container, {
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'-ms-touch-action': 'none',
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'touch-action': 'none'
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});
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if(element != null){
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//moving the container up
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silentScroll(element.offsetTop);
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}
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}else{
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css($htmlBody, {
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'overflow' : 'visible',
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'height' : 'initial'
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});
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setRecordHistory(false, 'internal');
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//for IE touch devices
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css(container, {
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'-ms-touch-action': '',
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'touch-action': ''
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});
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//scrolling the page to the section with no animation
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if (element != null) {
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var scrollSettings = getScrollSettings(element.offsetTop);
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scrollSettings.element.scrollTo(0, scrollSettings.options);
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}
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}
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}
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/**
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* Defines wheter to record the history for each hash change in the URL.
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*/
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function setRecordHistory(value, type){
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setVariableState('recordHistory', value, type);
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}
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/**
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* Defines the scrolling speed
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*/
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function setScrollingSpeed(value, type){
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setVariableState('scrollingSpeed', value, type);
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}
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/**
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* Sets fitToSection
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*/
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function setFitToSection(value, type){
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setVariableState('fitToSection', value, type);
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}
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/**
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* Sets lockAnchors
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*/
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function setLockAnchors(value){
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options.lockAnchors = value;
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}
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/**
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* Adds or remove the possibility of scrolling through sections by using the mouse wheel or the trackpad.
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*/
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function setMouseWheelScrolling(value){
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if(value){
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addMouseWheelHandler();
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addMiddleWheelHandler();
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}else{
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removeMouseWheelHandler();
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removeMiddleWheelHandler();
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}
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}
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/**
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* Adds or remove the possibility of scrolling through sections by using the mouse wheel/trackpad or touch gestures.
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* Optionally a second parameter can be used to specify the direction for which the action will be applied.
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*
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* @param directions string containing the direction or directions separated by comma.
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*/
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function setAllowScrolling(value, directions){
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if(typeof directions !== 'undefined'){
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directions = directions.replace(/ /g,'').split(',');
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directions.forEach(function (direction){
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setIsScrollAllowed(value, direction, 'm');
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});
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}
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else{
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setIsScrollAllowed(value, 'all', 'm');
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if(value){
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setMouseWheelScrolling(true);
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addTouchHandler();
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}else{
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setMouseWheelScrolling(false);
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removeTouchHandler();
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}
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}
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}
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/**
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* Adds or remove the possibility of scrolling through sections by using the keyboard arrow keys
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*/
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function setKeyboardScrolling(value, directions){
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if(typeof directions !== 'undefined'){
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directions = directions.replace(/ /g,'').split(',');
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directions.forEach(function(direction){
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setIsScrollAllowed(value, direction, 'k');
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});
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}else{
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setIsScrollAllowed(value, 'all', 'k');
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options.keyboardScrolling = value;
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}
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}
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/**
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* Moves the page up one section.
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*/
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function moveSectionUp(){
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var prev = prevUntil($(SECTION_ACTIVE_SEL)[0], SECTION_SEL);
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//looping to the bottom if there's no more sections above
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if (!prev && (options.loopTop || options.continuousVertical)) {
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prev = last($(SECTION_SEL));
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}
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if (prev != null) {
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scrollPage(prev, null, true);
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}
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}
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/**
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* Moves the page down one section.
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*/
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function moveSectionDown(){
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var next = nextUntil($(SECTION_ACTIVE_SEL)[0], SECTION_SEL);
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//looping to the top if there's no more sections below
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if(!next &&
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(options.loopBottom || options.continuousVertical)){
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next = $(SECTION_SEL)[0];
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}
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if(next != null){
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scrollPage(next, null, false);
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}
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}
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/**
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* Moves the page to the given section and slide with no animation.
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* Anchors or index positions can be used as params.
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*/
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function silentMoveTo(sectionAnchor, slideAnchor){
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setScrollingSpeed (0, 'internal');
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moveTo(sectionAnchor, slideAnchor);
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setScrollingSpeed (originals.scrollingSpeed, 'internal');
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}
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/**
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* Moves the page to the given section and slide.
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* Anchors or index positions can be used as params.
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*/
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function moveTo(sectionAnchor, slideAnchor){
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var destiny = getSectionByAnchor(sectionAnchor);
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if (typeof slideAnchor !== 'undefined'){
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scrollPageAndSlide(sectionAnchor, slideAnchor);
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}else if(destiny != null){
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scrollPage(destiny);
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}
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}
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/**
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* Slides right the slider of the active section.
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* Optional `section` param.
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*/
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function moveSlideRight(section){
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moveSlide('right', section);
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}
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/**
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* Slides left the slider of the active section.
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* Optional `section` param.
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*/
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function moveSlideLeft(section){
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moveSlide('left', section);
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}
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/**
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* When resizing is finished, we adjust the slides sizes and positions
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*/
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function reBuild(resizing){
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if(hasClass(container, DESTROYED)){ return; } //nothing to do if the plugin was destroyed
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isResizing = true;
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windowsHeight = getWindowHeight(); //updating global var
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var sections = $(SECTION_SEL);
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for (var i = 0; i < sections.length; ++i) {
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var section = sections[i];
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var slidesWrap = $(SLIDES_WRAPPER_SEL, section)[0];
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var slides = $(SLIDE_SEL, section);
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//adjusting the height of the table-cell for IE and Firefox
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if(options.verticalCentered){
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css($(TABLE_CELL_SEL, section), {'height': getTableHeight(section) + 'px'});
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}
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css(section, {'height': windowsHeight + 'px'});
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//adjusting the position fo the FULL WIDTH slides...
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if (slides.length > 1) {
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landscapeScroll(slidesWrap, $(SLIDE_ACTIVE_SEL, slidesWrap)[0]);
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}
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}
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if(options.scrollOverflow){
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scrollBarHandler.createScrollBarForAll();
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}
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var activeSection = $(SECTION_ACTIVE_SEL)[0];
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var sectionIndex = index(activeSection, SECTION_SEL);
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//isn't it the first section?
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if(sectionIndex){
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//adjusting the position for the current section
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silentMoveTo(sectionIndex + 1);
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}
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isResizing = false;
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if(isFunction( options.afterResize ) && resizing){
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options.afterResize.call(container, window.innerWidth, window.innerHeight);
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}
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if(isFunction( options.afterReBuild ) && !resizing){
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options.afterReBuild.call(container);
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}
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}
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|
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/**
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* Turns fullPage.js to normal scrolling mode when the viewport `width` or `height`
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* are smaller than the set limit values.
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*/
|
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function setResponsive(active){
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var isResponsive = hasClass($body, RESPONSIVE);
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if(active){
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if(!isResponsive){
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setAutoScrolling(false, 'internal');
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setFitToSection(false, 'internal');
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hide($(SECTION_NAV_SEL));
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addClass($body, RESPONSIVE);
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if(isFunction( options.afterResponsive )){
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options.afterResponsive.call( container, active);
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}
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}
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}
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else if(isResponsive){
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setAutoScrolling(originals.autoScrolling, 'internal');
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setFitToSection(originals.autoScrolling, 'internal');
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show($(SECTION_NAV_SEL));
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removeClass($body, RESPONSIVE);
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if(isFunction( options.afterResponsive )){
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options.afterResponsive.call( container, active);
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}
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}
|
|
}
|
|
|
|
if(container){
|
|
//public functions
|
|
FP.version = '3.0.2';
|
|
FP.setAutoScrolling = setAutoScrolling;
|
|
FP.setRecordHistory = setRecordHistory;
|
|
FP.setScrollingSpeed = setScrollingSpeed;
|
|
FP.setFitToSection = setFitToSection;
|
|
FP.setLockAnchors = setLockAnchors;
|
|
FP.setMouseWheelScrolling = setMouseWheelScrolling;
|
|
FP.setAllowScrolling = setAllowScrolling;
|
|
FP.setKeyboardScrolling = setKeyboardScrolling;
|
|
FP.moveSectionUp = moveSectionUp;
|
|
FP.moveSectionDown = moveSectionDown;
|
|
FP.silentMoveTo = silentMoveTo;
|
|
FP.moveTo = moveTo;
|
|
FP.moveSlideRight = moveSlideRight;
|
|
FP.moveSlideLeft = moveSlideLeft;
|
|
FP.fitToSection = fitToSection;
|
|
FP.reBuild = reBuild;
|
|
FP.setResponsive = setResponsive;
|
|
FP.getFullpageData = options;
|
|
FP.destroy = destroy;
|
|
FP.getActiveSection = getActiveSection;
|
|
FP.getActiveSlide = getActiveSlide;
|
|
|
|
FP.test = {
|
|
top: '0px',
|
|
translate3d: 'translate3d(0px, 0px, 0px)',
|
|
translate3dH: (function(){
|
|
var a = [];
|
|
for(var i = 0; i < $(options.sectionSelector, container).length; i++){
|
|
a.push('translate3d(0px, 0px, 0px)');
|
|
}
|
|
return a;
|
|
})(),
|
|
left: (function(){
|
|
var a = [];
|
|
for(var i = 0; i < $(options.sectionSelector, container).length; i++){
|
|
a.push(0);
|
|
}
|
|
return a;
|
|
})(),
|
|
options: options,
|
|
setAutoScrolling: setAutoScrolling
|
|
};
|
|
|
|
//functions we want to share across files but which are not
|
|
//mean to be used on their own by developers
|
|
FP.shared = {
|
|
afterRenderActions: afterRenderActions
|
|
};
|
|
|
|
window.fullpage_api = FP;
|
|
|
|
init();
|
|
|
|
bindEvents();
|
|
}
|
|
|
|
function init(){
|
|
//if css3 is not supported, it will use jQuery animations
|
|
if(options.css3){
|
|
options.css3 = support3d();
|
|
}
|
|
|
|
options.scrollBar = options.scrollBar || options.hybrid;
|
|
|
|
setOptionsFromDOM();
|
|
prepareDom();
|
|
setAllowScrolling(true);
|
|
setAutoScrolling(options.autoScrolling, 'internal');
|
|
responsive();
|
|
|
|
//setting the class for the body element
|
|
setBodyClass();
|
|
|
|
if(document.readyState === 'complete'){
|
|
scrollToAnchor();
|
|
}
|
|
window.addEventListener('load', scrollToAnchor);
|
|
}
|
|
|
|
function bindEvents(){
|
|
|
|
//when scrolling...
|
|
window.addEventListener('scroll', scrollHandler);
|
|
|
|
//detecting any change on the URL to scroll to the given anchor link
|
|
//(a way to detect back history button as we play with the hashes on the URL)
|
|
window.addEventListener('hashchange', hashChangeHandler);
|
|
|
|
//when opening a new tab (ctrl + t), `control` won't be pressed when coming back.
|
|
window.addEventListener('blur', blurHandler);
|
|
|
|
//when resizing the site, we adjust the heights of the sections, slimScroll...
|
|
window.addEventListener('resize', resizeHandler);
|
|
|
|
//Sliding with arrow keys, both, vertical and horizontal
|
|
document.addEventListener('keydown', keydownHandler);
|
|
|
|
//to prevent scrolling while zooming
|
|
document.addEventListener('keyup', keyUpHandler);
|
|
|
|
//Scrolls to the section when clicking the navigation bullet
|
|
//simulating the jQuery .on('click') event using delegation
|
|
['click', 'touchstart'].forEach(function(eventName){
|
|
document.addEventListener(eventName, function(e){
|
|
var target = e.target;
|
|
|
|
if(target && closest(target, SECTION_NAV_SEL + ' a')){
|
|
sectionBulletHandler.call(target, e);
|
|
}
|
|
else if(matches(target, SECTION_NAV_TOOLTIP_SEL)){
|
|
tooltipTextHandler.call(target);
|
|
}
|
|
else if(matches(target, SLIDES_ARROW_SEL)){
|
|
slideArrowHandler.call(target, e);
|
|
}
|
|
else if(matches(target, SLIDES_NAV_LINK_SEL) || closest(target, SLIDES_NAV_LINK_SEL) != null){
|
|
slideBulletHandler.call(target, e);
|
|
}
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Applying normalScroll elements.
|
|
* Ignoring the scrolls over the specified selectors.
|
|
*/
|
|
if(options.normalScrollElements){
|
|
['mouseenter', 'touchstart'].forEach(function(eventName){
|
|
forMouseLeaveOrTOuch(eventName, false);
|
|
});
|
|
|
|
['mouseleave', 'touchend'].forEach(function(eventName){
|
|
forMouseLeaveOrTOuch(eventName, true);
|
|
});
|
|
}
|
|
}
|
|
|
|
function forMouseLeaveOrTOuch(eventName, allowScrolling){
|
|
//a way to pass arguments to the onMouseEnterOrLeave function
|
|
document['fp_' + eventName] = allowScrolling;
|
|
document.addEventListener(eventName, onMouseEnterOrLeave, true); //capturing phase
|
|
}
|
|
|
|
function onMouseEnterOrLeave(e) {
|
|
if(e.target == document){
|
|
return;
|
|
}
|
|
var normalSelectors = options.normalScrollElements.split(',');
|
|
normalSelectors.forEach(function(normalSelector){
|
|
if(matches(e.target, normalSelector)){
|
|
setAllowScrolling(document['fp_' + e.type]); //e.type = eventName
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Setting options from DOM elements if they are not provided.
|
|
*/
|
|
function setOptionsFromDOM(){
|
|
|
|
//no anchors option? Checking for them in the DOM attributes
|
|
if(!options.anchors.length){
|
|
var attrName = '[data-anchor]';
|
|
var anchors = $(options.sectionSelector.split(',').join(attrName + ',') + attrName, container);
|
|
if(anchors.length){
|
|
anchors.forEach(function(item){
|
|
options.anchors.push(item.getAttribute('data-anchor').toString());
|
|
});
|
|
}
|
|
}
|
|
|
|
//no tooltips option? Checking for them in the DOM attributes
|
|
if(!options.navigationTooltips.length){
|
|
var attrName = '[data-tooltip]';
|
|
var tooltips = $(options.sectionSelector.split(',').join(attrName + ',') + attrName, container);
|
|
if(tooltips.length){
|
|
tooltips.forEach(function(item){
|
|
options.navigationTooltips.push(item.getAttribute('data-tooltip').toString());
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Works over the DOM structure to set it up for the current fullpage options.
|
|
*/
|
|
function prepareDom(){
|
|
css(container, {
|
|
'height': '100%',
|
|
'position': 'relative'
|
|
});
|
|
|
|
//adding a class to recognize the container internally in the code
|
|
addClass(container, WRAPPER);
|
|
addClass($('html'), ENABLED);
|
|
|
|
//due to https://github.com/alvarotrigo/fullPage.js/issues/1502
|
|
windowsHeight = getWindowHeight();
|
|
|
|
removeClass(container, DESTROYED); //in case it was destroyed before initializing it again
|
|
|
|
addInternalSelectors();
|
|
|
|
var sections = $(SECTION_SEL);
|
|
|
|
//styling the sections / slides / menu
|
|
for(var i = 0; i<sections.length; i++){
|
|
var sectionIndex = i;
|
|
var section = sections[i];
|
|
var slides = $(SLIDE_SEL, section);
|
|
var numSlides = slides.length;
|
|
|
|
//caching the original styles to add them back on destroy('all')
|
|
section.setAttribute('data-fp-styles', section.getAttribute('style'));
|
|
|
|
styleSection(section, sectionIndex);
|
|
styleMenu(section, sectionIndex);
|
|
|
|
// if there's any slide
|
|
if (numSlides > 0) {
|
|
styleSlides(section, slides, numSlides);
|
|
}else{
|
|
if(options.verticalCentered){
|
|
addTableClass(section);
|
|
}
|
|
}
|
|
}
|
|
|
|
//fixed elements need to be moved out of the plugin container due to problems with CSS3.
|
|
if(options.fixedElements && options.css3){
|
|
$(options.fixedElements).forEach(function(item){
|
|
$body.appendChild(item);
|
|
});
|
|
}
|
|
|
|
//vertical centered of the navigation + active bullet
|
|
if(options.navigation){
|
|
addVerticalNavigation();
|
|
}
|
|
|
|
enableYoutubeAPI();
|
|
|
|
if(options.scrollOverflow){
|
|
scrollBarHandler = options.scrollOverflowHandler.init(options);
|
|
}else{
|
|
afterRenderActions();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Styles the horizontal slides for a section.
|
|
*/
|
|
function styleSlides(section, slides, numSlides){
|
|
var sliderWidth = numSlides * 100;
|
|
var slideWidth = 100 / numSlides;
|
|
|
|
var slidesWrapper = document.createElement('div');
|
|
slidesWrapper.className = SLIDES_WRAPPER; //fp-slides
|
|
wrapAll(slides, slidesWrapper);
|
|
|
|
var slidesContainer = document.createElement('div');
|
|
slidesContainer.className = SLIDES_CONTAINER; //fp-slidesContainer
|
|
wrapAll(slides, slidesContainer);
|
|
|
|
css($(SLIDES_CONTAINER_SEL, section), {'width': sliderWidth + '%'});
|
|
|
|
if(numSlides > 1){
|
|
if(options.controlArrows){
|
|
createSlideArrows(section);
|
|
}
|
|
|
|
if(options.slidesNavigation){
|
|
addSlidesNavigation(section, numSlides);
|
|
}
|
|
}
|
|
|
|
slides.forEach(function(slide) {
|
|
css(slide, {'width': slideWidth + '%'});
|
|
|
|
if(options.verticalCentered){
|
|
addTableClass(slide);
|
|
}
|
|
});
|
|
|
|
var startingSlide = $(SLIDE_ACTIVE_SEL, section)[0];
|
|
|
|
//if the slide won't be an starting point, the default will be the first one
|
|
//the active section isn't the first one? Is not the first slide of the first section? Then we load that section/slide by default.
|
|
if( startingSlide != null && (index($(SECTION_ACTIVE_SEL), SECTION_SEL) !== 0 || (index($(SECTION_ACTIVE_SEL), SECTION_SEL) === 0 && index(startingSlide) !== 0))){
|
|
silentLandscapeScroll(startingSlide, 'internal');
|
|
}else{
|
|
addClass(slides[0], ACTIVE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Styling vertical sections
|
|
*/
|
|
function styleSection(section, index){
|
|
//if no active section is defined, the 1st one will be the default one
|
|
if(!index && $(SECTION_ACTIVE_SEL)[0] == null) {
|
|
addClass(section, ACTIVE);
|
|
}
|
|
startingSection = $(SECTION_ACTIVE_SEL)[0];
|
|
|
|
css(section, {'height': windowsHeight + 'px'});
|
|
|
|
if(options.paddingTop){
|
|
css(section, {'padding-top': options.paddingTop});
|
|
}
|
|
|
|
if(options.paddingBottom){
|
|
css(section, {'padding-bottom': options.paddingBottom});
|
|
}
|
|
|
|
if (typeof options.sectionsColor[index] !== 'undefined') {
|
|
css(section, {'background-color': options.sectionsColor[index]});
|
|
}
|
|
|
|
if (typeof options.anchors[index] !== 'undefined') {
|
|
section.setAttribute('data-anchor', options.anchors[index]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the data-anchor attributes to the menu elements and activates the current one.
|
|
*/
|
|
function styleMenu(section, index){
|
|
if (typeof options.anchors[index] !== 'undefined') {
|
|
//activating the menu / nav element on load
|
|
if(hasClass(section, ACTIVE)){
|
|
activateMenuAndNav(options.anchors[index], index);
|
|
}
|
|
}
|
|
|
|
//moving the menu outside the main container if it is inside (avoid problems with fixed positions when using CSS3 tranforms)
|
|
if(options.menu && options.css3 && closest($(options.menu)[0], WRAPPER_SEL) != null){
|
|
$body.appendChild($(options.menu)[0]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds internal classes to be able to provide customizable selectors
|
|
* keeping the link with the style sheet.
|
|
*/
|
|
function addInternalSelectors(){
|
|
addClass($(options.sectionSelector, container), SECTION);
|
|
addClass($(options.slideSelector, container), SLIDE);
|
|
}
|
|
|
|
/**
|
|
* Creates the control arrows for the given section
|
|
*/
|
|
function createSlideArrows(section){
|
|
var arrows = [createElementFromHTML('<div class="' + SLIDES_ARROW_PREV + '"></div>'), createElementFromHTML('<div class="' + SLIDES_ARROW_NEXT + '"></div>')];
|
|
after($(SLIDES_WRAPPER_SEL, section)[0], arrows);
|
|
|
|
if(options.controlArrowColor !== '#fff'){
|
|
css($(SLIDES_ARROW_NEXT_SEL, section), {'border-color': 'transparent transparent transparent '+options.controlArrowColor});
|
|
css($(SLIDES_ARROW_PREV_SEL, section), {'border-color': 'transparent '+ options.controlArrowColor + ' transparent transparent'});
|
|
}
|
|
|
|
if(!options.loopHorizontal){
|
|
hide($(SLIDES_ARROW_PREV_SEL, section));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a vertical navigation bar.
|
|
*/
|
|
function addVerticalNavigation(){
|
|
var navigation = document.createElement('div');
|
|
navigation.setAttribute('id', SECTION_NAV);
|
|
|
|
var divUl = document.createElement('ul');
|
|
navigation.appendChild(divUl);
|
|
|
|
appendTo(navigation, $body);
|
|
var nav = $(SECTION_NAV_SEL)[0];
|
|
|
|
addClass(nav, 'fp-' + options.navigationPosition);
|
|
|
|
if(options.showActiveTooltip){
|
|
addClass(nav, SHOW_ACTIVE_TOOLTIP);
|
|
}
|
|
|
|
var li = '';
|
|
|
|
for (var i = 0; i < $(SECTION_SEL).length; i++) {
|
|
var link = '';
|
|
if (options.anchors.length) {
|
|
link = options.anchors[i];
|
|
}
|
|
|
|
li += '<li><a href="#' + link + '"><span></span></a>';
|
|
|
|
// Only add tooltip if needed (defined by user)
|
|
var tooltip = options.navigationTooltips[i];
|
|
|
|
if (typeof tooltip !== 'undefined' && tooltip !== '') {
|
|
li += '<div class="' + SECTION_NAV_TOOLTIP + ' fp-' + options.navigationPosition + '">' + tooltip + '</div>';
|
|
}
|
|
|
|
li += '</li>';
|
|
}
|
|
$('ul', nav)[0].innerHTML = li;
|
|
|
|
//centering it vertically
|
|
css($(SECTION_NAV_SEL), {'margin-top': '-' + ($(SECTION_NAV_SEL)[0].offsetHeight/2) + 'px'});
|
|
|
|
//activating the current active section
|
|
|
|
var bullet = $('li', $(SECTION_NAV_SEL)[0])[index($(SECTION_ACTIVE_SEL)[0], SECTION_SEL)];
|
|
addClass($('a', bullet), ACTIVE);
|
|
}
|
|
|
|
/*
|
|
* Enables the Youtube videos API so we can control their flow if necessary.
|
|
*/
|
|
function enableYoutubeAPI(){
|
|
$('iframe[src*="youtube.com/embed/"]', container).forEach(function(item){
|
|
addURLParam(item, 'enablejsapi=1');
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Adds a new parameter and its value to the `src` of a given element
|
|
*/
|
|
function addURLParam(element, newParam){
|
|
var originalSrc = element.getAttribute('src');
|
|
element.setAttribute('src', originalSrc + getUrlParamSign(originalSrc) + newParam);
|
|
}
|
|
|
|
/*
|
|
* Returns the prefix sign to use for a new parameter in an existen URL.
|
|
*
|
|
* @return {String} ? | &
|
|
*/
|
|
function getUrlParamSign(url){
|
|
return ( !/\?/.test( url ) ) ? '?' : '&';
|
|
}
|
|
|
|
/**
|
|
* Actions and callbacks to fire afterRender
|
|
*/
|
|
function afterRenderActions(){
|
|
var section = $(SECTION_ACTIVE_SEL)[0];
|
|
|
|
addClass(section, COMPLETELY);
|
|
|
|
lazyLoad(section);
|
|
playMedia(section);
|
|
|
|
if(options.scrollOverflow){
|
|
options.scrollOverflowHandler.afterLoad();
|
|
}
|
|
|
|
if(isDestinyTheStartingSection() && isFunction(options.afterLoad) ){
|
|
fireCallback('afterLoad', {
|
|
activeSection: null,
|
|
element: section,
|
|
direction: null,
|
|
|
|
//for backwards compatibility callback (to be removed in a future!)
|
|
anchorLink: section.getAttribute('data-anchor'),
|
|
sectionIndex: index(section, SECTION_SEL)
|
|
});
|
|
}
|
|
|
|
if(isFunction(options.afterRender)){
|
|
fireCallback('afterRender');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines if the URL anchor destiny is the starting section (the one using 'active' class before initialization)
|
|
*/
|
|
function isDestinyTheStartingSection(){
|
|
var destinationSection = getSectionByAnchor(getAnchorsURL().section);
|
|
return !destinationSection || typeof destinationSection !=='undefined' && index(destinationSection) === index(startingSection);
|
|
}
|
|
|
|
var isScrolling = false;
|
|
var lastScroll = 0;
|
|
|
|
//when scrolling...
|
|
function scrollHandler(){
|
|
var currentSection;
|
|
|
|
if(!options.autoScrolling || options.scrollBar){
|
|
var currentScroll = getScrollTop();
|
|
var scrollDirection = getScrollDirection(currentScroll);
|
|
var visibleSectionIndex = 0;
|
|
var screen_mid = currentScroll + (getWindowHeight() / 2.0);
|
|
var isAtBottom = $body.offsetHeight - getWindowHeight() === currentScroll;
|
|
var sections = $(SECTION_SEL);
|
|
|
|
//when using `auto-height` for a small last section it won't be centered in the viewport
|
|
if(isAtBottom){
|
|
visibleSectionIndex = sections.length - 1;
|
|
}
|
|
//is at top? when using `auto-height` for a small first section it won't be centered in the viewport
|
|
else if(!currentScroll){
|
|
visibleSectionIndex = 0;
|
|
}
|
|
|
|
//taking the section which is showing more content in the viewport
|
|
else{
|
|
for (var i = 0; i < sections.length; ++i) {
|
|
var section = sections[i];
|
|
|
|
// Pick the the last section which passes the middle line of the screen.
|
|
if (section.offsetTop <= screen_mid)
|
|
{
|
|
visibleSectionIndex = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(isCompletelyInViewPort(scrollDirection)){
|
|
if(!hasClass($(SECTION_ACTIVE_SEL)[0], COMPLETELY)){
|
|
addClass($(SECTION_ACTIVE_SEL)[0], COMPLETELY);
|
|
removeClass(siblings($(SECTION_ACTIVE_SEL)[0]), COMPLETELY);
|
|
}
|
|
}
|
|
|
|
//geting the last one, the current one on the screen
|
|
currentSection = sections[visibleSectionIndex];
|
|
|
|
//setting the visible section as active when manually scrolling
|
|
//executing only once the first time we reach the section
|
|
if(!hasClass(currentSection, ACTIVE)){
|
|
isScrolling = true;
|
|
var leavingSection = $(SECTION_ACTIVE_SEL)[0];
|
|
var leavingSectionIndex = index(leavingSection, SECTION_SEL) + 1;
|
|
var yMovement = getYmovement(currentSection);
|
|
var anchorLink = currentSection.getAttribute('data-anchor');
|
|
var sectionIndex = index(currentSection, SECTION_SEL) + 1;
|
|
var activeSlide = $(SLIDE_ACTIVE_SEL, currentSection)[0];
|
|
var slideIndex;
|
|
var slideAnchorLink;
|
|
var callbacksParams = {
|
|
activeSection: leavingSection,
|
|
sectionIndex: sectionIndex -1,
|
|
anchorLink: anchorLink,
|
|
element: currentSection,
|
|
leavingSection: leavingSectionIndex,
|
|
direction: yMovement
|
|
};
|
|
|
|
if(activeSlide){
|
|
slideAnchorLink = activeSlide.getAttribute('data-anchor');
|
|
slideIndex = index(activeSlide);
|
|
}
|
|
|
|
if(canScroll){
|
|
addClass(currentSection, ACTIVE);
|
|
removeClass(siblings(currentSection), ACTIVE);
|
|
|
|
if(isFunction( options.onLeave )){
|
|
fireCallback('onLeave', callbacksParams);
|
|
}
|
|
if(isFunction( options.afterLoad )){
|
|
fireCallback('afterLoad', callbacksParams);
|
|
}
|
|
|
|
stopMedia(leavingSection);
|
|
lazyLoad(currentSection);
|
|
playMedia(currentSection);
|
|
|
|
activateMenuAndNav(anchorLink, sectionIndex - 1);
|
|
|
|
if(options.anchors.length){
|
|
//needed to enter in hashChange event when using the menu with anchor links
|
|
lastScrolledDestiny = anchorLink;
|
|
}
|
|
setState(slideIndex, slideAnchorLink, anchorLink, sectionIndex);
|
|
}
|
|
|
|
//small timeout in order to avoid entering in hashChange event when scrolling is not finished yet
|
|
clearTimeout(scrollId);
|
|
scrollId = setTimeout(function(){
|
|
isScrolling = false;
|
|
}, 100);
|
|
}
|
|
|
|
if(options.fitToSection){
|
|
//for the auto adjust of the viewport to fit a whole section
|
|
clearTimeout(scrollId2);
|
|
|
|
scrollId2 = setTimeout(function(){
|
|
//checking it again in case it changed during the delay
|
|
if(options.fitToSection &&
|
|
|
|
//is the destination element bigger than the viewport?
|
|
$(SECTION_ACTIVE_SEL)[0].offsetHeight <= windowsHeight
|
|
){
|
|
fitToSection();
|
|
}
|
|
}, options.fitToSectionDelay);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fits the site to the nearest active section
|
|
*/
|
|
function fitToSection(){
|
|
//checking fitToSection again in case it was set to false before the timeout delay
|
|
if(canScroll){
|
|
//allows to scroll to an active section and
|
|
//if the section is already active, we prevent firing callbacks
|
|
isResizing = true;
|
|
|
|
scrollPage($(SECTION_ACTIVE_SEL)[0]);
|
|
isResizing = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines whether the active section has seen in its whole or not.
|
|
*/
|
|
function isCompletelyInViewPort(movement){
|
|
var top = $(SECTION_ACTIVE_SEL)[0].offsetTop;
|
|
var bottom = top + getWindowHeight();
|
|
|
|
if(movement == 'up'){
|
|
return bottom >= (getScrollTop() + getWindowHeight());
|
|
}
|
|
return top <= getScrollTop();
|
|
}
|
|
|
|
/**
|
|
* Gets the directon of the the scrolling fired by the scroll event.
|
|
*/
|
|
function getScrollDirection(currentScroll){
|
|
var direction = currentScroll > lastScroll ? 'down' : 'up';
|
|
|
|
lastScroll = currentScroll;
|
|
|
|
//needed for auto-height sections to determine if we want to scroll to the top or bottom of the destination
|
|
previousDestTop = currentScroll;
|
|
|
|
return direction;
|
|
}
|
|
|
|
/**
|
|
* Determines the way of scrolling up or down:
|
|
* by 'automatically' scrolling a section or by using the default and normal scrolling.
|
|
*/
|
|
function scrolling(type){
|
|
if (!isScrollAllowed.m[type]){
|
|
return;
|
|
}
|
|
|
|
var scrollSection = (type === 'down') ? moveSectionDown : moveSectionUp;
|
|
|
|
if(options.scrollOverflow){
|
|
var scrollable = options.scrollOverflowHandler.scrollable($(SECTION_ACTIVE_SEL)[0]);
|
|
var check = (type === 'down') ? 'bottom' : 'top';
|
|
|
|
if(scrollable != null ){
|
|
//is the scrollbar at the start/end of the scroll?
|
|
if(options.scrollOverflowHandler.isScrolled(check, scrollable)){
|
|
scrollSection();
|
|
}else{
|
|
return true;
|
|
}
|
|
}else{
|
|
// moved up/down
|
|
scrollSection();
|
|
}
|
|
}else{
|
|
// moved up/down
|
|
scrollSection();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Preventing bouncing in iOS #2285
|
|
*/
|
|
function preventBouncing(e){
|
|
if(options.autoScrolling && isReallyTouch(e)){
|
|
//preventing the easing on iOS devices
|
|
preventDefault(e);
|
|
}
|
|
}
|
|
|
|
var touchStartY = 0;
|
|
var touchStartX = 0;
|
|
var touchEndY = 0;
|
|
var touchEndX = 0;
|
|
|
|
/* Detecting touch events
|
|
|
|
* As we are changing the top property of the page on scrolling, we can not use the traditional way to detect it.
|
|
* This way, the touchstart and the touch moves shows an small difference between them which is the
|
|
* used one to determine the direction.
|
|
*/
|
|
function touchMoveHandler(e){
|
|
var activeSection = closest(e.target, SECTION_SEL);
|
|
|
|
// additional: if one of the normalScrollElements isn't within options.normalScrollElementTouchThreshold hops up the DOM chain
|
|
if (isReallyTouch(e) ) {
|
|
|
|
if(options.autoScrolling){
|
|
//preventing the easing on iOS devices
|
|
preventDefault(e);
|
|
}
|
|
|
|
var touchEvents = getEventsPage(e);
|
|
|
|
touchEndY = touchEvents.y;
|
|
touchEndX = touchEvents.x;
|
|
|
|
//if movement in the X axys is greater than in the Y and the currect section has slides...
|
|
if ($(SLIDES_WRAPPER_SEL, activeSection).length && Math.abs(touchStartX - touchEndX) > (Math.abs(touchStartY - touchEndY))) {
|
|
|
|
//is the movement greater than the minimum resistance to scroll?
|
|
if (!slideMoving && Math.abs(touchStartX - touchEndX) > (window.innerWidth / 100 * options.touchSensitivity)) {
|
|
if (touchStartX > touchEndX) {
|
|
if(isScrollAllowed.m.right){
|
|
moveSlideRight(activeSection); //next
|
|
}
|
|
} else {
|
|
if(isScrollAllowed.m.left){
|
|
moveSlideLeft(activeSection); //prev
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//vertical scrolling (only when autoScrolling is enabled)
|
|
else if(options.autoScrolling && canScroll){
|
|
|
|
//is the movement greater than the minimum resistance to scroll?
|
|
if (Math.abs(touchStartY - touchEndY) > (window.innerHeight / 100 * options.touchSensitivity)) {
|
|
if (touchStartY > touchEndY) {
|
|
scrolling('down');
|
|
} else if (touchEndY > touchStartY) {
|
|
scrolling('up');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* As IE >= 10 fires both touch and mouse events when using a mouse in a touchscreen
|
|
* this way we make sure that is really a touch event what IE is detecting.
|
|
*/
|
|
function isReallyTouch(e){
|
|
//if is not IE || IE is detecting `touch` or `pen`
|
|
return typeof e.pointerType === 'undefined' || e.pointerType != 'mouse';
|
|
}
|
|
|
|
/**
|
|
* Handler for the touch start event.
|
|
*/
|
|
function touchStartHandler(e){
|
|
|
|
//stopping the auto scroll to adjust to a section
|
|
if(options.fitToSection){
|
|
activeAnimation = false;
|
|
}
|
|
|
|
if(isReallyTouch(e)){
|
|
var touchEvents = getEventsPage(e);
|
|
touchStartY = touchEvents.y;
|
|
touchStartX = touchEvents.x;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the average of the last `number` elements of the given array.
|
|
*/
|
|
function getAverage(elements, number){
|
|
var sum = 0;
|
|
|
|
//taking `number` elements from the end to make the average, if there are not enought, 1
|
|
var lastElements = elements.slice(Math.max(elements.length - number, 1));
|
|
|
|
for(var i = 0; i < lastElements.length; i++){
|
|
sum = sum + lastElements[i];
|
|
}
|
|
|
|
return Math.ceil(sum/number);
|
|
}
|
|
|
|
/**
|
|
* Detecting mousewheel scrolling
|
|
*
|
|
* http://blogs.sitepointstatic.com/examples/tech/mouse-wheel/index.html
|
|
* http://www.sitepoint.com/html5-javascript-mouse-wheel/
|
|
*/
|
|
var prevTime = new Date().getTime();
|
|
|
|
function MouseWheelHandler(e) {
|
|
var curTime = new Date().getTime();
|
|
var isNormalScroll = hasClass($(COMPLETELY_SEL)[0], NORMAL_SCROLL);
|
|
|
|
//autoscrolling and not zooming?
|
|
if(options.autoScrolling && !controlPressed && !isNormalScroll){
|
|
// cross-browser wheel delta
|
|
e = e || window.event;
|
|
var value = e.wheelDelta || -e.deltaY || -e.detail;
|
|
var delta = Math.max(-1, Math.min(1, value));
|
|
|
|
var horizontalDetection = typeof e.wheelDeltaX !== 'undefined' || typeof e.deltaX !== 'undefined';
|
|
var isScrollingVertically = (Math.abs(e.wheelDeltaX) < Math.abs(e.wheelDelta)) || (Math.abs(e.deltaX ) < Math.abs(e.deltaY) || !horizontalDetection);
|
|
|
|
//Limiting the array to 150 (lets not waste memory!)
|
|
if(scrollings.length > 149){
|
|
scrollings.shift();
|
|
}
|
|
|
|
//keeping record of the previous scrollings
|
|
scrollings.push(Math.abs(value));
|
|
|
|
//preventing to scroll the site on mouse wheel when scrollbar is present
|
|
if(options.scrollBar){
|
|
preventDefault(e);
|
|
}
|
|
|
|
//time difference between the last scroll and the current one
|
|
var timeDiff = curTime-prevTime;
|
|
prevTime = curTime;
|
|
|
|
//haven't they scrolled in a while?
|
|
//(enough to be consider a different scrolling action to scroll another section)
|
|
if(timeDiff > 200){
|
|
//emptying the array, we dont care about old scrollings for our averages
|
|
scrollings = [];
|
|
}
|
|
|
|
if(canScroll){
|
|
var averageEnd = getAverage(scrollings, 10);
|
|
var averageMiddle = getAverage(scrollings, 70);
|
|
var isAccelerating = averageEnd >= averageMiddle;
|
|
|
|
//to avoid double swipes...
|
|
if(isAccelerating && isScrollingVertically){
|
|
//scrolling down?
|
|
if (delta < 0) {
|
|
scrolling('down');
|
|
|
|
//scrolling up?
|
|
}else {
|
|
scrolling('up');
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
if(options.fitToSection){
|
|
//stopping the auto scroll to adjust to a section
|
|
activeAnimation = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Slides a slider to the given direction.
|
|
* Optional `section` param.
|
|
*/
|
|
function moveSlide(direction, section){
|
|
var activeSection = section == null ? $(SECTION_ACTIVE_SEL)[0] : section;
|
|
var slides = $(SLIDES_WRAPPER_SEL, activeSection)[0];
|
|
|
|
// more than one slide needed and nothing should be sliding
|
|
if (slides == null || slideMoving || $(SLIDE_SEL, slides).length < 2) {
|
|
return;
|
|
}
|
|
|
|
var currentSlide = $(SLIDE_ACTIVE_SEL, slides)[0];
|
|
var destiny = null;
|
|
|
|
if(direction === 'left'){
|
|
destiny = prevUntil(currentSlide, SLIDE_SEL);
|
|
}else{
|
|
destiny = nextUntil(currentSlide, SLIDE_SEL);
|
|
}
|
|
|
|
//isn't there a next slide in the secuence?
|
|
if(destiny == null){
|
|
//respect loopHorizontal settin
|
|
if (!options.loopHorizontal) return;
|
|
|
|
var slideSiblings = siblings(currentSlide);
|
|
if(direction === 'left'){
|
|
destiny = slideSiblings[slideSiblings.length - 1]; //last
|
|
}else{
|
|
destiny = slideSiblings[0]; //first
|
|
}
|
|
}
|
|
|
|
slideMoving = true && !FP.test.isTesting;
|
|
landscapeScroll(slides, destiny, direction);
|
|
}
|
|
|
|
/**
|
|
* Maintains the active slides in the viewport
|
|
* (Because the `scroll` animation might get lost with some actions, such as when using continuousVertical)
|
|
*/
|
|
function keepSlidesPosition(){
|
|
var activeSlides = $(SLIDE_ACTIVE_SEL);
|
|
for( var i =0; i<activeSlides.length; i++){
|
|
silentLandscapeScroll(activeSlides[i], 'internal');
|
|
}
|
|
}
|
|
|
|
var previousDestTop = 0;
|
|
/**
|
|
* Returns the destination Y position based on the scrolling direction and
|
|
* the height of the section.
|
|
*/
|
|
function getDestinationPosition(element){
|
|
var elementHeight = element.offsetHeight;
|
|
var elementTop = element.offsetTop;
|
|
|
|
//top of the desination will be at the top of the viewport
|
|
var position = elementTop;
|
|
var isScrollingDown = elementTop > previousDestTop;
|
|
var sectionBottom = position - windowsHeight + elementHeight;
|
|
var bigSectionsDestination = options.bigSectionsDestination;
|
|
|
|
//is the destination element bigger than the viewport?
|
|
if(elementHeight > windowsHeight){
|
|
//scrolling up?
|
|
if(!isScrollingDown && !bigSectionsDestination || bigSectionsDestination === 'bottom' ){
|
|
position = sectionBottom;
|
|
}
|
|
}
|
|
|
|
//sections equal or smaller than the viewport height && scrolling down? || is resizing and its in the last section
|
|
else if(isScrollingDown || (isResizing && next(element) == null) ){
|
|
//The bottom of the destination will be at the bottom of the viewport
|
|
position = sectionBottom;
|
|
}
|
|
|
|
/*
|
|
Keeping record of the last scrolled position to determine the scrolling direction.
|
|
No conventional methods can be used as the scroll bar might not be present
|
|
AND the section might not be active if it is auto-height and didnt reach the middle
|
|
of the viewport.
|
|
*/
|
|
previousDestTop = position;
|
|
return position;
|
|
}
|
|
|
|
/**
|
|
* Scrolls the site to the given element and scrolls to the slide if a callback is given.
|
|
*/
|
|
function scrollPage(element, callback, isMovementUp){
|
|
if(element == null){ return; } //there's no element to scroll, leaving the function
|
|
|
|
var dtop = getDestinationPosition(element);
|
|
var slideAnchorLink;
|
|
var slideIndex;
|
|
|
|
//local variables
|
|
var v = {
|
|
element: element,
|
|
callback: callback,
|
|
isMovementUp: isMovementUp,
|
|
dtop: dtop,
|
|
yMovement: getYmovement(element),
|
|
anchorLink: element.getAttribute('data-anchor'),
|
|
sectionIndex: index(element, SECTION_SEL),
|
|
activeSlide: $(SLIDE_ACTIVE_SEL, element)[0],
|
|
activeSection: $(SECTION_ACTIVE_SEL)[0],
|
|
leavingSection: index($(SECTION_ACTIVE_SEL), SECTION_SEL) + 1,
|
|
|
|
//caching the value of isResizing at the momment the function is called
|
|
//because it will be checked later inside a setTimeout and the value might change
|
|
localIsResizing: isResizing
|
|
};
|
|
|
|
//quiting when destination scroll is the same as the current one
|
|
if((v.activeSection == element && !isResizing) || (options.scrollBar && getScrollTop() === v.dtop && !hasClass(element, AUTO_HEIGHT) )){ return; }
|
|
|
|
if(v.activeSlide != null){
|
|
slideAnchorLink = v.activeSlide.getAttribute('data-anchor');
|
|
slideIndex = index(v.activeSlide);
|
|
}
|
|
|
|
//callback (onLeave) if the site is not just resizing and readjusting the slides
|
|
if(isFunction(options.onLeave) && !v.localIsResizing){
|
|
var direction = v.yMovement;
|
|
|
|
//required for continousVertical
|
|
if(typeof isMovementUp !== 'undefined'){
|
|
direction = isMovementUp ? 'up' : 'down';
|
|
}
|
|
|
|
//for the callback
|
|
v.direction = direction;
|
|
|
|
if(fireCallback('onLeave', v) === false){
|
|
return;
|
|
}
|
|
}
|
|
|
|
// If continuousVertical && we need to wrap around
|
|
if (options.autoScrolling && options.continuousVertical && typeof (v.isMovementUp) !== "undefined" &&
|
|
((!v.isMovementUp && v.yMovement == 'up') || // Intending to scroll down but about to go up or
|
|
(v.isMovementUp && v.yMovement == 'down'))) { // intending to scroll up but about to go down
|
|
|
|
v = createInfiniteSections(v);
|
|
}
|
|
|
|
//pausing media of the leaving section (if we are not just resizing, as destinatino will be the same one)
|
|
if(!v.localIsResizing){
|
|
stopMedia(v.activeSection);
|
|
}
|
|
|
|
if(options.scrollOverflow){
|
|
options.scrollOverflowHandler.beforeLeave();
|
|
}
|
|
|
|
addClass(element, ACTIVE);
|
|
removeClass(siblings(element), ACTIVE);
|
|
lazyLoad(element);
|
|
|
|
if(options.scrollOverflow){
|
|
options.scrollOverflowHandler.onLeave();
|
|
}
|
|
|
|
//preventing from activating the MouseWheelHandler event
|
|
//more than once if the page is scrolling
|
|
canScroll = false || FP.test.isTesting;
|
|
|
|
setState(slideIndex, slideAnchorLink, v.anchorLink, v.sectionIndex);
|
|
|
|
performMovement(v);
|
|
|
|
//flag to avoid callingn `scrollPage()` twice in case of using anchor links
|
|
lastScrolledDestiny = v.anchorLink;
|
|
|
|
//avoid firing it twice (as it does also on scroll)
|
|
activateMenuAndNav(v.anchorLink, v.sectionIndex);
|
|
}
|
|
|
|
/**
|
|
* Dispatch events & callbacks making sure it does it on the right format, depending on
|
|
* whether v2compatible is being used or not.
|
|
*/
|
|
function fireCallback(eventName, v){
|
|
var eventData = getEventData(eventName, v);
|
|
|
|
if(!options.v2compatible){
|
|
trigger(container, eventName, eventData);
|
|
|
|
if(options[eventName].apply(eventData[Object.keys(eventData)[0]], toArray(eventData)) === false){
|
|
return false;
|
|
}
|
|
}
|
|
else{
|
|
if(options[eventName].apply(eventData[0], eventData.slice(1)) === false){
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Makes sure to only create a Panel object if the element exist
|
|
*/
|
|
function nullOrSection(el){
|
|
return el ? new Section(el) : null;
|
|
}
|
|
|
|
function nullOrSlide(el){
|
|
return el ? new Slide(el) : null;
|
|
}
|
|
|
|
/**
|
|
* Gets the event's data for the given event on the right format. Depending on whether
|
|
* v2compatible is being used or not.
|
|
*/
|
|
function getEventData(eventName, v){
|
|
var paramsPerEvent;
|
|
|
|
if(!options.v2compatible){
|
|
|
|
//using functions to run only the necessary bits within the object
|
|
paramsPerEvent = {
|
|
afterRender: function(){
|
|
return {
|
|
section: nullOrSection($(SECTION_ACTIVE_SEL)[0]),
|
|
slide: nullOrSlide($(SLIDE_ACTIVE_SEL, $(SECTION_ACTIVE_SEL)[0])[0])
|
|
};
|
|
},
|
|
onLeave: function(){
|
|
return {
|
|
origin: nullOrSection(v.activeSection),
|
|
destination: nullOrSection(v.element),
|
|
direction: v.direction
|
|
};
|
|
},
|
|
|
|
afterLoad: function(){
|
|
return paramsPerEvent.onLeave();
|
|
},
|
|
|
|
afterSlideLoad: function(){
|
|
return {
|
|
section: nullOrSection(v.section),
|
|
origin: nullOrSlide(v.prevSlide),
|
|
destination: nullOrSlide(v.destiny),
|
|
direction: v.direction
|
|
};
|
|
},
|
|
|
|
onSlideLeave: function(){
|
|
return paramsPerEvent.afterSlideLoad();
|
|
}
|
|
};
|
|
}
|
|
else{
|
|
paramsPerEvent = {
|
|
afterRender: function(){ return [container]; },
|
|
onLeave: function(){ return [v.activeSection, v.leavingSection, (v.sectionIndex + 1), v.direction]; },
|
|
afterLoad: function(){ return [v.element, v.anchorLink, (v.sectionIndex + 1)]; },
|
|
afterSlideLoad: function(){ return [v.destiny, v.anchorLink, (v.sectionIndex + 1), v.slideAnchor, v.slideIndex]; },
|
|
onSlideLeave: function(){ return [v.prevSlide, v.anchorLink, (v.sectionIndex + 1), v.prevSlideIndex, v.direction, v.slideIndex]; },
|
|
};
|
|
}
|
|
|
|
return paramsPerEvent[eventName]();
|
|
}
|
|
|
|
/**
|
|
* Performs the vertical movement (by CSS3 or by jQuery)
|
|
*/
|
|
function performMovement(v){
|
|
// using CSS3 translate functionality
|
|
if (options.css3 && options.autoScrolling && !options.scrollBar) {
|
|
|
|
// The first section can have a negative value in iOS 10. Not quite sure why: -0.0142822265625
|
|
// that's why we round it to 0.
|
|
var translate3d = 'translate3d(0px, -' + Math.round(v.dtop) + 'px, 0px)';
|
|
transformContainer(translate3d, true);
|
|
|
|
//even when the scrollingSpeed is 0 there's a little delay, which might cause the
|
|
//scrollingSpeed to change in case of using silentMoveTo();
|
|
if(options.scrollingSpeed){
|
|
clearTimeout(afterSectionLoadsId);
|
|
afterSectionLoadsId = setTimeout(function () {
|
|
afterSectionLoads(v);
|
|
}, options.scrollingSpeed);
|
|
}else{
|
|
afterSectionLoads(v);
|
|
}
|
|
}
|
|
|
|
// using JS to animate
|
|
else{
|
|
var scrollSettings = getScrollSettings(v.dtop);
|
|
FP.test.top = -v.dtop + 'px';
|
|
|
|
scrollTo(scrollSettings.element, scrollSettings.options, options.scrollingSpeed, function(){
|
|
if(options.scrollBar){
|
|
|
|
/* Hack!
|
|
The timeout prevents setting the most dominant section in the viewport as "active" when the user
|
|
scrolled to a smaller section by using the mousewheel (auto scrolling) rather than draging the scroll bar.
|
|
|
|
When using scrollBar:true It seems like the scroll events still getting propagated even after the scrolling animation has finished.
|
|
*/
|
|
setTimeout(function(){
|
|
afterSectionLoads(v);
|
|
},30);
|
|
}else{
|
|
afterSectionLoads(v);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the scrolling settings depending on the plugin autoScrolling option
|
|
*/
|
|
function getScrollSettings(top){
|
|
var scroll = {};
|
|
|
|
//top property animation
|
|
if(options.autoScrolling && !options.scrollBar){
|
|
scroll.options = -top;
|
|
scroll.element = $(WRAPPER_SEL)[0];
|
|
}
|
|
|
|
//window real scrolling
|
|
else{
|
|
scroll.options = top;
|
|
scroll.element = window;
|
|
}
|
|
|
|
return scroll;
|
|
}
|
|
|
|
/**
|
|
* Adds sections before or after the current one to create the infinite effect.
|
|
*/
|
|
function createInfiniteSections(v){
|
|
// Scrolling down
|
|
if (!v.isMovementUp) {
|
|
// Move all previous sections to after the active section
|
|
after($(SECTION_ACTIVE_SEL)[0], prevAll(v.activeSection, SECTION_SEL).reverse());
|
|
}
|
|
else { // Scrolling up
|
|
// Move all next sections to before the active section
|
|
before($(SECTION_ACTIVE_SEL)[0], nextAll(v.activeSection, SECTION_SEL));
|
|
}
|
|
|
|
// Maintain the displayed position (now that we changed the element order)
|
|
silentScroll($(SECTION_ACTIVE_SEL)[0].offsetTop);
|
|
|
|
// Maintain the active slides visible in the viewport
|
|
keepSlidesPosition();
|
|
|
|
// save for later the elements that still need to be reordered
|
|
v.wrapAroundElements = v.activeSection;
|
|
|
|
// Recalculate animation variables
|
|
v.dtop = v.element.offsetTop;
|
|
v.yMovement = getYmovement(v.element);
|
|
|
|
//sections will temporally have another position in the DOM
|
|
//updating this values in case we need them
|
|
v.leavingSection = index(v.activeSection, SECTION_SEL) + 1;
|
|
v.sectionIndex = index(v.element, SECTION_SEL);
|
|
|
|
return v;
|
|
}
|
|
|
|
/**
|
|
* Fix section order after continuousVertical changes have been animated
|
|
*/
|
|
function continuousVerticalFixSectionOrder (v) {
|
|
// If continuousVertical is in effect (and autoScrolling would also be in effect then),
|
|
// finish moving the elements around so the direct navigation will function more simply
|
|
if (v.wrapAroundElements == null) {
|
|
return;
|
|
}
|
|
|
|
if (v.isMovementUp) {
|
|
before($(SECTION_SEL)[0], v.wrapAroundElements);
|
|
}
|
|
else {
|
|
after($(SECTION_SEL)[$(SECTION_SEL).length-1], v.wrapAroundElements);
|
|
}
|
|
|
|
silentScroll($(SECTION_ACTIVE_SEL)[0].offsetTop);
|
|
|
|
// Maintain the active slides visible in the viewport
|
|
keepSlidesPosition();
|
|
}
|
|
|
|
|
|
/**
|
|
* Actions to do once the section is loaded.
|
|
*/
|
|
function afterSectionLoads (v){
|
|
continuousVerticalFixSectionOrder(v);
|
|
|
|
//callback (afterLoad) if the site is not just resizing and readjusting the slides
|
|
if(isFunction(options.afterLoad) && !v.localIsResizing){
|
|
fireCallback('afterLoad', v);
|
|
}
|
|
|
|
if(options.scrollOverflow){
|
|
options.scrollOverflowHandler.afterLoad();
|
|
}
|
|
|
|
if(!v.localIsResizing){
|
|
playMedia(v.element);
|
|
}
|
|
|
|
addClass(v.element, COMPLETELY);
|
|
removeClass(siblings(v.element), COMPLETELY);
|
|
|
|
canScroll = true;
|
|
|
|
if(isFunction(v.callback)){
|
|
v.callback();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the value for the given attribute from the `data-` attribute with the same suffix
|
|
* ie: data-srcset ==> srcset | data-src ==> src
|
|
*/
|
|
function setSrc(element, attribute){
|
|
element.setAttribute(attribute, element.getAttribute('data-' + attribute));
|
|
element.removeAttribute('data-' + attribute);
|
|
}
|
|
|
|
/**
|
|
* Lazy loads image, video and audio elements.
|
|
*/
|
|
function lazyLoad(destiny){
|
|
if (!options.lazyLoading){
|
|
return;
|
|
}
|
|
|
|
var panel = getSlideOrSection(destiny);
|
|
|
|
$('img[data-src], img[data-srcset], source[data-src], source[data-srcset], video[data-src], audio[data-src], iframe[data-src]', panel).forEach(function(element){
|
|
['src', 'srcset'].forEach(function(type){
|
|
var attribute = element.getAttribute('data-' + type);
|
|
if(attribute != null && attribute){
|
|
setSrc(element, type);
|
|
}
|
|
});
|
|
|
|
if(matches(element, 'source')){
|
|
var elementToPlay = closest(element, 'video, audio');
|
|
if(elementToPlay){
|
|
elementToPlay.load();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Plays video and audio elements.
|
|
*/
|
|
function playMedia(destiny){
|
|
var panel = getSlideOrSection(destiny);
|
|
|
|
//playing HTML5 media elements
|
|
$('video, audio', panel).forEach(function(element){
|
|
if( element.hasAttribute('data-autoplay') && typeof element.play === 'function' ) {
|
|
element.play();
|
|
}
|
|
});
|
|
|
|
//youtube videos
|
|
$('iframe[src*="youtube.com/embed/"]', panel).forEach(function(element){
|
|
if ( element.hasAttribute('data-autoplay') ){
|
|
playYoutube(element);
|
|
}
|
|
|
|
//in case the URL was not loaded yet. On page load we need time for the new URL (with the API string) to load.
|
|
element.onload = function() {
|
|
if ( element.hasAttribute('data-autoplay') ){
|
|
playYoutube(element);
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Plays a youtube video
|
|
*/
|
|
function playYoutube(element){
|
|
element.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}', '*');
|
|
}
|
|
|
|
/**
|
|
* Stops video and audio elements.
|
|
*/
|
|
function stopMedia(destiny){
|
|
var panel = getSlideOrSection(destiny);
|
|
|
|
//stopping HTML5 media elements
|
|
$('video, audio', panel).forEach(function(element){
|
|
if( !element.hasAttribute('data-keepplaying') && typeof element.pause === 'function' ) {
|
|
element.pause();
|
|
}
|
|
});
|
|
|
|
//youtube videos
|
|
$('iframe[src*="youtube.com/embed/"]', panel).forEach(function(element){
|
|
if( /youtube\.com\/embed\//.test(element.getAttribute('src')) && !element.hasAttribute('data-keepplaying')){
|
|
element.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}','*');
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Gets the active slide (or section) for the given section
|
|
*/
|
|
function getSlideOrSection(destiny){
|
|
var slide = $(SLIDE_ACTIVE_SEL, destiny);
|
|
if( slide.length ) {
|
|
destiny = slide[0];
|
|
}
|
|
|
|
return destiny;
|
|
}
|
|
|
|
/**
|
|
* Scrolls to the anchor in the URL when loading the site
|
|
*/
|
|
function scrollToAnchor(){
|
|
var anchors = getAnchorsURL();
|
|
var sectionAnchor = anchors.section;
|
|
var slideAnchor = anchors.slide;
|
|
|
|
if(sectionAnchor){ //if theres any #
|
|
if(options.animateAnchor){
|
|
scrollPageAndSlide(sectionAnchor, slideAnchor);
|
|
}else{
|
|
silentMoveTo(sectionAnchor, slideAnchor);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Detecting any change on the URL to scroll to the given anchor link
|
|
* (a way to detect back history button as we play with the hashes on the URL)
|
|
*/
|
|
function hashChangeHandler(){
|
|
if(!isScrolling && !options.lockAnchors){
|
|
var anchors = getAnchorsURL();
|
|
var sectionAnchor = anchors.section;
|
|
var slideAnchor = anchors.slide;
|
|
|
|
//when moving to a slide in the first section for the first time (first time to add an anchor to the URL)
|
|
var isFirstSlideMove = (typeof lastScrolledDestiny === 'undefined');
|
|
var isFirstScrollMove = (typeof lastScrolledDestiny === 'undefined' && typeof slideAnchor === 'undefined' && !slideMoving);
|
|
|
|
if(sectionAnchor && sectionAnchor.length){
|
|
/*in order to call scrollpage() only once for each destination at a time
|
|
It is called twice for each scroll otherwise, as in case of using anchorlinks `hashChange`
|
|
event is fired on every scroll too.*/
|
|
if ((sectionAnchor && sectionAnchor !== lastScrolledDestiny) && !isFirstSlideMove
|
|
|| isFirstScrollMove
|
|
|| (!slideMoving && lastScrolledSlide != slideAnchor )){
|
|
|
|
scrollPageAndSlide(sectionAnchor, slideAnchor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//gets the URL anchors (section and slide)
|
|
function getAnchorsURL(){
|
|
var section;
|
|
var slide;
|
|
var hash = window.location.hash;
|
|
|
|
if(hash.length){
|
|
//getting the anchor link in the URL and deleting the `#`
|
|
var anchorsParts = hash.replace('#', '').split('/');
|
|
|
|
//using / for visual reasons and not as a section/slide separator #2803
|
|
var isFunkyAnchor = hash.indexOf('#/') > -1;
|
|
|
|
section = isFunkyAnchor ? '/' + anchorsParts[1] : decodeURIComponent(anchorsParts[0]);
|
|
|
|
var slideAnchor = isFunkyAnchor ? anchorsParts[2] : anchorsParts[1];
|
|
if(slideAnchor && slideAnchor.length){
|
|
slide = decodeURIComponent(slideAnchor);
|
|
}
|
|
}
|
|
|
|
return {
|
|
section: section,
|
|
slide: slide
|
|
};
|
|
}
|
|
|
|
//Sliding with arrow keys, both, vertical and horizontal
|
|
function keydownHandler(e) {
|
|
clearTimeout(keydownId);
|
|
|
|
var activeElement = document.activeElement;
|
|
var keyCode = e.keyCode;
|
|
|
|
//tab?
|
|
if(keyCode === 9){
|
|
onTab(e);
|
|
}
|
|
|
|
else if(!matches(activeElement, 'textarea') && !matches(activeElement, 'input') && !matches(activeElement, 'select') &&
|
|
activeElement.getAttribute('contentEditable') !== "true" && activeElement.getAttribute('contentEditable') !== '' &&
|
|
options.keyboardScrolling && options.autoScrolling){
|
|
|
|
//preventing the scroll with arrow keys & spacebar & Page Up & Down keys
|
|
var keyControls = [40, 38, 32, 33, 34];
|
|
if(keyControls.indexOf(keyCode) > -1){
|
|
preventDefault(e);
|
|
}
|
|
|
|
controlPressed = e.ctrlKey;
|
|
|
|
keydownId = setTimeout(function(){
|
|
onkeydown(e);
|
|
},150);
|
|
}
|
|
}
|
|
|
|
function tooltipTextHandler(){
|
|
/*jshint validthis:true */
|
|
trigger(prev(this), 'click');
|
|
}
|
|
|
|
//to prevent scrolling while zooming
|
|
function keyUpHandler(e){
|
|
if(isWindowFocused){ //the keyup gets fired on new tab ctrl + t in Firefox
|
|
controlPressed = e.ctrlKey;
|
|
}
|
|
}
|
|
|
|
//binding the mousemove when the mouse's middle button is released
|
|
function mouseDownHandler(e){
|
|
//middle button
|
|
if (e.which == 2){
|
|
oldPageY = e.pageY;
|
|
container.addEventListener('mousemove', mouseMoveHandler);
|
|
}
|
|
}
|
|
|
|
//unbinding the mousemove when the mouse's middle button is released
|
|
function mouseUpHandler(e){
|
|
//middle button
|
|
if (e.which == 2){
|
|
container.removeEventListener('mousemove', mouseMoveHandler);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Makes sure the tab key will only focus elements within the current section/slide
|
|
* preventing this way from breaking the page.
|
|
* Based on "Modals and keyboard traps"
|
|
* from https://developers.google.com/web/fundamentals/accessibility/focus/using-tabindex
|
|
*/
|
|
function onTab(e){
|
|
var isShiftPressed = e.shiftKey;
|
|
var activeElement = document.activeElement;
|
|
var activeSection = $(SECTION_ACTIVE_SEL)[0];
|
|
var activeSlide = $(SLIDE_ACTIVE_SEL, activeSection)[0];
|
|
var focusableWrapper = activeSlide ? activeSlide : activeSection;
|
|
var focusableElements = $(focusableElementsString + ':not([tabindex="-1"])', focusableWrapper);
|
|
|
|
function preventAndFocusFirst(e){
|
|
preventDefault(e);
|
|
return focusableElements[0].focus();
|
|
}
|
|
|
|
//is there an element with focus?
|
|
if(activeElement){
|
|
if(closest(activeElement, SECTION_ACTIVE_SEL + ',' + SLIDE_ACTIVE_SEL) == null){
|
|
activeElement = preventAndFocusFirst(e);
|
|
}
|
|
}
|
|
|
|
//no element if focused? Let's focus the first one of the section/slide
|
|
else{
|
|
preventAndFocusFirst(e);
|
|
}
|
|
|
|
//when reached the first or last focusable element of the section/slide
|
|
//we prevent the tab action to keep it in the last focusable element
|
|
if(!isShiftPressed && activeElement == focusableElements[focusableElements.length - 1] ||
|
|
isShiftPressed && activeElement == focusableElements[0]
|
|
){
|
|
preventDefault(e);
|
|
}
|
|
}
|
|
|
|
//Scrolling horizontally when clicking on the slider controls.
|
|
function slideArrowHandler(){
|
|
/*jshint validthis:true */
|
|
var section = closest(this, SECTION_SEL);
|
|
|
|
/*jshint validthis:true */
|
|
if (hasClass(this, SLIDES_PREV)) {
|
|
if(isScrollAllowed.m.left){
|
|
moveSlideLeft(section);
|
|
}
|
|
} else {
|
|
if(isScrollAllowed.m.right){
|
|
moveSlideRight(section);
|
|
}
|
|
}
|
|
}
|
|
|
|
//when opening a new tab (ctrl + t), `control` won't be pressed when coming back.
|
|
function blurHandler(){
|
|
isWindowFocused = false;
|
|
controlPressed = false;
|
|
}
|
|
|
|
//Scrolls to the section when clicking the navigation bullet
|
|
function sectionBulletHandler(e){
|
|
preventDefault(e);
|
|
|
|
/*jshint validthis:true */
|
|
var indexBullet = index(closest(this, SECTION_NAV_SEL + ' li'));
|
|
scrollPage($(SECTION_SEL)[indexBullet]);
|
|
}
|
|
|
|
//Scrolls the slider to the given slide destination for the given section
|
|
function slideBulletHandler(e){
|
|
preventDefault(e);
|
|
|
|
/*jshint validthis:true */
|
|
var slides = $(SLIDES_WRAPPER_SEL, closest(this, SECTION_SEL))[0];
|
|
var destiny = $(SLIDE_SEL, slides)[index(closest(this, 'li'))];
|
|
|
|
landscapeScroll(slides, destiny);
|
|
}
|
|
|
|
/**
|
|
* Keydown event
|
|
*/
|
|
function onkeydown(e){
|
|
var shiftPressed = e.shiftKey;
|
|
|
|
//do nothing if we can not scroll or we are not using horizotnal key arrows.
|
|
if(!canScroll && [37,39].indexOf(e.keyCode) < 0){
|
|
return;
|
|
}
|
|
|
|
switch (e.keyCode) {
|
|
//up
|
|
case 38:
|
|
case 33:
|
|
if(isScrollAllowed.k.up){
|
|
moveSectionUp();
|
|
}
|
|
break;
|
|
|
|
//down
|
|
case 32: //spacebar
|
|
if(shiftPressed && isScrollAllowed.k.up){
|
|
moveSectionUp();
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 40:
|
|
case 34:
|
|
if(isScrollAllowed.k.down){
|
|
moveSectionDown();
|
|
}
|
|
break;
|
|
|
|
//Home
|
|
case 36:
|
|
if(isScrollAllowed.k.up){
|
|
moveTo(1);
|
|
}
|
|
break;
|
|
|
|
//End
|
|
case 35:
|
|
if(isScrollAllowed.k.down){
|
|
moveTo( $(SECTION_SEL).length );
|
|
}
|
|
break;
|
|
|
|
//left
|
|
case 37:
|
|
if(isScrollAllowed.k.left){
|
|
moveSlideLeft();
|
|
}
|
|
break;
|
|
|
|
//right
|
|
case 39:
|
|
if(isScrollAllowed.k.right){
|
|
moveSlideRight();
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return; // exit this handler for other keys
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Detecting the direction of the mouse movement.
|
|
* Used only for the middle button of the mouse.
|
|
*/
|
|
var oldPageY = 0;
|
|
function mouseMoveHandler(e){
|
|
if(canScroll){
|
|
// moving up
|
|
if (e.pageY < oldPageY && isScrollAllowed.m.up){
|
|
moveSectionUp();
|
|
}
|
|
|
|
// moving down
|
|
else if(e.pageY > oldPageY && isScrollAllowed.m.down){
|
|
moveSectionDown();
|
|
}
|
|
}
|
|
oldPageY = e.pageY;
|
|
}
|
|
|
|
/**
|
|
* Scrolls horizontal sliders.
|
|
*/
|
|
function landscapeScroll(slides, destiny, direction){
|
|
var section = closest(slides, SECTION_SEL);
|
|
var v = {
|
|
slides: slides,
|
|
destiny: destiny,
|
|
direction: direction,
|
|
destinyPos: {left: destiny.offsetLeft},
|
|
slideIndex: index(destiny),
|
|
section: section,
|
|
sectionIndex: index(section, SECTION_SEL),
|
|
anchorLink: section.getAttribute('data-anchor'),
|
|
slidesNav: $(SLIDES_NAV_SEL, section)[0],
|
|
slideAnchor: getAnchor(destiny),
|
|
prevSlide: $(SLIDE_ACTIVE_SEL, section)[0],
|
|
prevSlideIndex: index($(SLIDE_ACTIVE_SEL, section)[0]),
|
|
|
|
//caching the value of isResizing at the momment the function is called
|
|
//because it will be checked later inside a setTimeout and the value might change
|
|
localIsResizing: isResizing
|
|
};
|
|
v.xMovement = getXmovement(v.prevSlideIndex, v.slideIndex);
|
|
|
|
//important!! Only do it when not resizing
|
|
if(!v.localIsResizing){
|
|
//preventing from scrolling to the next/prev section when using scrollHorizontally
|
|
canScroll = false;
|
|
}
|
|
|
|
if(options.onSlideLeave){
|
|
|
|
//if the site is not just resizing and readjusting the slides
|
|
if(!v.localIsResizing && v.xMovement!=='none'){
|
|
if(isFunction( options.onSlideLeave )){
|
|
if( fireCallback('onSlideLeave', v) === false){
|
|
slideMoving = false;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
addClass(destiny, ACTIVE);
|
|
removeClass(siblings(destiny), ACTIVE);
|
|
|
|
if(!v.localIsResizing){
|
|
stopMedia(v.prevSlide);
|
|
lazyLoad(destiny);
|
|
}
|
|
|
|
if(!options.loopHorizontal && options.controlArrows){
|
|
//hidding it for the fist slide, showing for the rest
|
|
toggle($(SLIDES_ARROW_PREV_SEL, section), v.slideIndex!==0);
|
|
|
|
//hidding it for the last slide, showing for the rest
|
|
toggle($(SLIDES_ARROW_NEXT_SEL, section), next(destiny) != null);
|
|
}
|
|
|
|
//only changing the URL if the slides are in the current section (not for resize re-adjusting)
|
|
if(hasClass(section, ACTIVE) && !v.localIsResizing){
|
|
setState(v.slideIndex, v.slideAnchor, v.anchorLink, v.sectionIndex);
|
|
}
|
|
|
|
performHorizontalMove(slides, v, true);
|
|
}
|
|
|
|
|
|
function afterSlideLoads(v){
|
|
activeSlidesNavigation(v.slidesNav, v.slideIndex);
|
|
|
|
//if the site is not just resizing and readjusting the slides
|
|
if(!v.localIsResizing){
|
|
if(isFunction( options.afterSlideLoad )){
|
|
fireCallback('afterSlideLoad', v);
|
|
}
|
|
|
|
//needs to be inside the condition to prevent problems with continuousVertical and scrollHorizontally
|
|
//and to prevent double scroll right after a windows resize
|
|
canScroll = true;
|
|
|
|
playMedia(v.destiny);
|
|
}
|
|
|
|
//letting them slide again
|
|
slideMoving = false;
|
|
}
|
|
|
|
/**
|
|
* Performs the horizontal movement. (CSS3 or jQuery)
|
|
*
|
|
* @param fireCallback {Bool} - determines whether or not to fire the callback
|
|
*/
|
|
function performHorizontalMove(slides, v, fireCallback){
|
|
var destinyPos = v.destinyPos;
|
|
|
|
if(options.css3){
|
|
var translate3d = 'translate3d(-' + Math.round(destinyPos.left) + 'px, 0px, 0px)';
|
|
|
|
FP.test.translate3dH[v.sectionIndex] = translate3d;
|
|
css(addAnimation($(SLIDES_CONTAINER_SEL, slides)), getTransforms(translate3d));
|
|
|
|
afterSlideLoadsId = setTimeout(function(){
|
|
if(fireCallback){
|
|
afterSlideLoads(v);
|
|
}
|
|
}, options.scrollingSpeed);
|
|
}else{
|
|
FP.test.left[v.sectionIndex] = Math.round(destinyPos.left);
|
|
|
|
scrollTo(slides, Math.round(destinyPos.left), options.scrollingSpeed, function(){
|
|
if(fireCallback){
|
|
afterSlideLoads(v);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the state for the horizontal bullet navigations.
|
|
*/
|
|
function activeSlidesNavigation(slidesNav, slideIndex){
|
|
if(options.slidesNavigation && slidesNav != null){
|
|
removeClass($(ACTIVE_SEL, slidesNav), ACTIVE);
|
|
addClass( $('a', $('li', slidesNav)[slideIndex] ), ACTIVE);
|
|
}
|
|
}
|
|
|
|
var previousHeight = windowsHeight;
|
|
|
|
//when resizing the site, we adjust the heights of the sections, slimScroll...
|
|
function resizeHandler(){
|
|
//checking if it needs to get responsive
|
|
responsive();
|
|
|
|
// rebuild immediately on touch devices
|
|
if (isTouchDevice) {
|
|
var activeElement = document.activeElement;
|
|
|
|
//if the keyboard is NOT visible
|
|
if (!matches(activeElement, 'textarea') && !matches(activeElement, 'input') && !matches(activeElement, 'select')) {
|
|
var currentHeight = getWindowHeight();
|
|
|
|
//making sure the change in the viewport size is enough to force a rebuild. (20 % of the window to avoid problems when hidding scroll bars)
|
|
if( Math.abs(currentHeight - previousHeight) > (20 * Math.max(previousHeight, currentHeight) / 100) ){
|
|
reBuild(true);
|
|
previousHeight = currentHeight;
|
|
}
|
|
}
|
|
}else{
|
|
//in order to call the functions only when the resize is finished
|
|
//http://stackoverflow.com/questions/4298612/jquery-how-to-call-resize-event-only-once-its-finished-resizing
|
|
clearTimeout(resizeId);
|
|
|
|
resizeId = setTimeout(function(){
|
|
reBuild(true);
|
|
}, 350);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the site needs to get responsive and disables autoScrolling if so.
|
|
* A class `fp-responsive` is added to the plugin's container in case the user wants to use it for his own responsive CSS.
|
|
*/
|
|
function responsive(){
|
|
var widthLimit = options.responsive || options.responsiveWidth; //backwards compatiblity
|
|
var heightLimit = options.responsiveHeight;
|
|
|
|
//only calculating what we need. Remember its called on the resize event.
|
|
var isBreakingPointWidth = widthLimit && window.innerWidth < widthLimit;
|
|
var isBreakingPointHeight = heightLimit && window.innerHeight < heightLimit;
|
|
|
|
if(widthLimit && heightLimit){
|
|
setResponsive(isBreakingPointWidth || isBreakingPointHeight);
|
|
}
|
|
else if(widthLimit){
|
|
setResponsive(isBreakingPointWidth);
|
|
}
|
|
else if(heightLimit){
|
|
setResponsive(isBreakingPointHeight);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds transition animations for the given element
|
|
*/
|
|
function addAnimation(element){
|
|
var transition = 'all ' + options.scrollingSpeed + 'ms ' + options.easingcss3;
|
|
|
|
removeClass(element, NO_TRANSITION);
|
|
return css(element, {
|
|
'-webkit-transition': transition,
|
|
'transition': transition
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Remove transition animations for the given element
|
|
*/
|
|
function removeAnimation(element){
|
|
return addClass(element, NO_TRANSITION);
|
|
}
|
|
|
|
/**
|
|
* Activating the vertical navigation bullets according to the given slide name.
|
|
*/
|
|
function activateNavDots(name, sectionIndex){
|
|
if(options.navigation && $(SECTION_NAV_SEL)[0] != null){
|
|
removeClass($(ACTIVE_SEL, $(SECTION_NAV_SEL)[0]), ACTIVE);
|
|
if(name){
|
|
addClass( $('a[href="#' + name + '"]', $(SECTION_NAV_SEL)[0]), ACTIVE);
|
|
}else{
|
|
addClass($('a', $('li', $(SECTION_NAV_SEL)[0])[sectionIndex]), ACTIVE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Activating the website main menu elements according to the given slide name.
|
|
*/
|
|
function activateMenuElement(name){
|
|
var menu = $(options.menu)[0];
|
|
if(options.menu && menu != null){
|
|
removeClass($(ACTIVE_SEL, menu), ACTIVE);
|
|
addClass($('[data-menuanchor="'+name+'"]', menu), ACTIVE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets to active the current menu and vertical nav items.
|
|
*/
|
|
function activateMenuAndNav(anchor, index){
|
|
activateMenuElement(anchor);
|
|
activateNavDots(anchor, index);
|
|
}
|
|
|
|
/**
|
|
* Retuns `up` or `down` depending on the scrolling movement to reach its destination
|
|
* from the current section.
|
|
*/
|
|
function getYmovement(destiny){
|
|
var fromIndex = index($(SECTION_ACTIVE_SEL)[0], SECTION_SEL);
|
|
var toIndex = index(destiny, SECTION_SEL);
|
|
if( fromIndex == toIndex){
|
|
return 'none';
|
|
}
|
|
if(fromIndex > toIndex){
|
|
return 'up';
|
|
}
|
|
return 'down';
|
|
}
|
|
|
|
/**
|
|
* Retuns `right` or `left` depending on the scrolling movement to reach its destination
|
|
* from the current slide.
|
|
*/
|
|
function getXmovement(fromIndex, toIndex){
|
|
if( fromIndex == toIndex){
|
|
return 'none';
|
|
}
|
|
if(fromIndex > toIndex){
|
|
return 'left';
|
|
}
|
|
return 'right';
|
|
}
|
|
|
|
function addTableClass(element){
|
|
//In case we are styling for the 2nd time as in with reponsiveSlides
|
|
if(!hasClass(element, TABLE)){
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = TABLE_CELL;
|
|
wrapper.style.height = getTableHeight(element) + 'px';
|
|
|
|
addClass(element, TABLE);
|
|
wrapInner(element, wrapper);
|
|
}
|
|
}
|
|
|
|
function getTableHeight(element){
|
|
var sectionHeight = windowsHeight;
|
|
|
|
if(options.paddingTop || options.paddingBottom){
|
|
var section = element;
|
|
if(!hasClass(section, SECTION)){
|
|
section = closest(element, SECTION_SEL);
|
|
}
|
|
|
|
var paddings = parseInt(getComputedStyle(section)['padding-top']) + parseInt(getComputedStyle(section)['padding-bottom']);
|
|
sectionHeight = (windowsHeight - paddings);
|
|
}
|
|
|
|
return sectionHeight;
|
|
}
|
|
|
|
/**
|
|
* Adds a css3 transform property to the container class with or without animation depending on the animated param.
|
|
*/
|
|
function transformContainer(translate3d, animated){
|
|
if(animated){
|
|
addAnimation(container);
|
|
}else{
|
|
removeAnimation(container);
|
|
}
|
|
|
|
css(container, getTransforms(translate3d));
|
|
FP.test.translate3d = translate3d;
|
|
|
|
//syncronously removing the class after the animation has been applied.
|
|
setTimeout(function(){
|
|
removeClass(container, NO_TRANSITION);
|
|
},10);
|
|
}
|
|
|
|
/**
|
|
* Gets a section by its anchor / index
|
|
*/
|
|
function getSectionByAnchor(sectionAnchor){
|
|
var section = $(SECTION_SEL + '[data-anchor="'+sectionAnchor+'"]', container)[0];
|
|
if(!section){
|
|
var sectionIndex = typeof sectionAnchor !== 'undefined' ? sectionAnchor -1 : 0;
|
|
section = $(SECTION_SEL)[sectionIndex];
|
|
}
|
|
|
|
return section;
|
|
}
|
|
|
|
/**
|
|
* Gets a slide inside a given section by its anchor / index
|
|
*/
|
|
function getSlideByAnchor(slideAnchor, section){
|
|
var slide = $(SLIDE_SEL + '[data-anchor="'+slideAnchor+'"]', section)[0];
|
|
if(slide == null){
|
|
slideAnchor = typeof slideAnchor !== 'undefined' ? slideAnchor : 0;
|
|
slide = $(SLIDE_SEL, section)[slideAnchor];
|
|
}
|
|
|
|
return slide;
|
|
}
|
|
|
|
/**
|
|
* Scrolls to the given section and slide anchors
|
|
*/
|
|
function scrollPageAndSlide(sectionAnchor, slideAnchor){
|
|
var section = getSectionByAnchor(sectionAnchor);
|
|
|
|
//do nothing if there's no section with the given anchor name
|
|
if(section == null) return;
|
|
|
|
var slide = getSlideByAnchor(slideAnchor, section);
|
|
|
|
//we need to scroll to the section and then to the slide
|
|
if (sectionAnchor !== lastScrolledDestiny && !hasClass(section, ACTIVE)){
|
|
scrollPage(section, function(){
|
|
scrollSlider(slide);
|
|
});
|
|
}
|
|
//if we were already in the section
|
|
else{
|
|
scrollSlider(slide);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scrolls the slider to the given slide destination for the given section
|
|
*/
|
|
function scrollSlider(slide){
|
|
if(slide != null){
|
|
landscapeScroll(closest(slide, SLIDES_WRAPPER_SEL), slide);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a landscape navigation bar with dots for horizontal sliders.
|
|
*/
|
|
function addSlidesNavigation(section, numSlides){
|
|
appendTo(createElementFromHTML('<div class="' + SLIDES_NAV + '"><ul></ul></div>'), section);
|
|
var nav = $(SLIDES_NAV_SEL, section)[0];
|
|
|
|
//top or bottom
|
|
addClass(nav, 'fp-' + options.slidesNavPosition);
|
|
|
|
for(var i=0; i< numSlides; i++){
|
|
appendTo(createElementFromHTML('<li><a href="#"><span></span></a></li>'), $('ul', nav)[0] );
|
|
}
|
|
|
|
//centering it
|
|
css(nav, {'margin-left': '-' + (nav.innerWidth/2) + 'px'});
|
|
|
|
addClass($('a', $('li', nav)[0] ), ACTIVE);
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets the state of the website depending on the active section/slide.
|
|
* It changes the URL hash when needed and updates the body class.
|
|
*/
|
|
function setState(slideIndex, slideAnchor, anchorLink, sectionIndex){
|
|
var sectionHash = '';
|
|
|
|
if(options.anchors.length && !options.lockAnchors){
|
|
|
|
//isn't it the first slide?
|
|
if(slideIndex){
|
|
if(anchorLink != null){
|
|
sectionHash = anchorLink;
|
|
}
|
|
|
|
//slide without anchor link? We take the index instead.
|
|
if(slideAnchor == null){
|
|
slideAnchor = slideIndex;
|
|
}
|
|
|
|
lastScrolledSlide = slideAnchor;
|
|
setUrlHash(sectionHash + '/' + slideAnchor);
|
|
|
|
//first slide won't have slide anchor, just the section one
|
|
}else if(slideIndex != null){
|
|
lastScrolledSlide = slideAnchor;
|
|
setUrlHash(anchorLink);
|
|
}
|
|
|
|
//section without slides
|
|
else{
|
|
setUrlHash(anchorLink);
|
|
}
|
|
}
|
|
|
|
setBodyClass();
|
|
}
|
|
|
|
/**
|
|
* Sets the URL hash.
|
|
*/
|
|
function setUrlHash(url){
|
|
if(options.recordHistory){
|
|
location.hash = url;
|
|
}else{
|
|
//Mobile Chrome doesn't work the normal way, so... lets use HTML5 for phones :)
|
|
if(isTouchDevice || isTouch){
|
|
window.history.replaceState(undefined, undefined, '#' + url);
|
|
}else{
|
|
var baseUrl = window.location.href.split('#')[0];
|
|
window.location.replace( baseUrl + '#' + url );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the anchor for the given slide / section. Its index will be used if there's none.
|
|
*/
|
|
function getAnchor(element){
|
|
if(!element){
|
|
return null;
|
|
}
|
|
var anchor = element.getAttribute('data-anchor');
|
|
var elementIndex = index(element);
|
|
|
|
//Slide without anchor link? We take the index instead.
|
|
if(anchor == null){
|
|
anchor = elementIndex;
|
|
}
|
|
|
|
return anchor;
|
|
}
|
|
|
|
/**
|
|
* Sets a class for the body of the page depending on the active section / slide
|
|
*/
|
|
function setBodyClass(){
|
|
var section = $(SECTION_ACTIVE_SEL)[0];
|
|
var slide = $(SLIDE_ACTIVE_SEL, section)[0];
|
|
|
|
var sectionAnchor = getAnchor(section);
|
|
var slideAnchor = getAnchor(slide);
|
|
|
|
var text = String(sectionAnchor);
|
|
|
|
if(slide){
|
|
text = text + '-' + slideAnchor;
|
|
}
|
|
|
|
//changing slash for dash to make it a valid CSS style
|
|
text = text.replace('/', '-').replace('#','');
|
|
|
|
//removing previous anchor classes
|
|
var classRe = new RegExp('\\b\\s?' + VIEWING_PREFIX + '-[^\\s]+\\b', "g");
|
|
$body.className = $body.className.replace(classRe, '');
|
|
|
|
//adding the current anchor
|
|
addClass($body, VIEWING_PREFIX + '-' + text);
|
|
}
|
|
|
|
/**
|
|
* Checks for translate3d support
|
|
* @return boolean
|
|
* http://stackoverflow.com/questions/5661671/detecting-transform-translate3d-support
|
|
*/
|
|
function support3d() {
|
|
var el = document.createElement('p'),
|
|
has3d,
|
|
transforms = {
|
|
'webkitTransform':'-webkit-transform',
|
|
'OTransform':'-o-transform',
|
|
'msTransform':'-ms-transform',
|
|
'MozTransform':'-moz-transform',
|
|
'transform':'transform'
|
|
};
|
|
|
|
//preventing the style p:empty{display: none;} from returning the wrong result
|
|
el.style.display = 'block'
|
|
|
|
// Add it to the body to get the computed style.
|
|
document.body.insertBefore(el, null);
|
|
|
|
for (var t in transforms) {
|
|
if (el.style[t] !== undefined) {
|
|
el.style[t] = 'translate3d(1px,1px,1px)';
|
|
has3d = window.getComputedStyle(el).getPropertyValue(transforms[t]);
|
|
}
|
|
}
|
|
|
|
document.body.removeChild(el);
|
|
|
|
return (has3d !== undefined && has3d.length > 0 && has3d !== 'none');
|
|
}
|
|
|
|
/**
|
|
* Removes the auto scrolling action fired by the mouse wheel and trackpad.
|
|
* After this function is called, the mousewheel and trackpad movements won't scroll through sections.
|
|
*/
|
|
function removeMouseWheelHandler(){
|
|
if (document.addEventListener) {
|
|
document.removeEventListener('mousewheel', MouseWheelHandler, false); //IE9, Chrome, Safari, Oper
|
|
document.removeEventListener('wheel', MouseWheelHandler, false); //Firefox
|
|
document.removeEventListener('MozMousePixelScroll', MouseWheelHandler, false); //old Firefox
|
|
} else {
|
|
document.detachEvent('onmousewheel', MouseWheelHandler); //IE 6/7/8
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds the auto scrolling action for the mouse wheel and trackpad.
|
|
* After this function is called, the mousewheel and trackpad movements will scroll through sections
|
|
* https://developer.mozilla.org/en-US/docs/Web/Events/wheel
|
|
*/
|
|
function addMouseWheelHandler(){
|
|
var prefix = '';
|
|
var _addEventListener;
|
|
|
|
if (window.addEventListener){
|
|
_addEventListener = "addEventListener";
|
|
}else{
|
|
_addEventListener = "attachEvent";
|
|
prefix = 'on';
|
|
}
|
|
|
|
// detect available wheel event
|
|
var support = 'onwheel' in document.createElement('div') ? 'wheel' : // Modern browsers support "wheel"
|
|
document.onmousewheel !== undefined ? 'mousewheel' : // Webkit and IE support at least "mousewheel"
|
|
'DOMMouseScroll'; // let's assume that remaining browsers are older Firefox
|
|
|
|
|
|
if(support == 'DOMMouseScroll'){
|
|
document[ _addEventListener ](prefix + 'MozMousePixelScroll', MouseWheelHandler, false);
|
|
}
|
|
|
|
//handle MozMousePixelScroll in older Firefox
|
|
else{
|
|
document[ _addEventListener ](prefix + support, MouseWheelHandler, false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Binding the mousemove when the mouse's middle button is pressed
|
|
*/
|
|
function addMiddleWheelHandler(){
|
|
container.addEventListener('mousedown', mouseDownHandler);
|
|
container.addEventListener('mouseup', mouseUpHandler);
|
|
}
|
|
|
|
/**
|
|
* Unbinding the mousemove when the mouse's middle button is released
|
|
*/
|
|
function removeMiddleWheelHandler(){
|
|
container.removeEventListener('mousedown', mouseDownHandler);
|
|
container.removeEventListener('mouseup', mouseUpHandler);
|
|
}
|
|
|
|
/**
|
|
* Adds the possibility to auto scroll through sections on touch devices.
|
|
*/
|
|
function addTouchHandler(){
|
|
if(isTouchDevice || isTouch){
|
|
if(options.autoScrolling){
|
|
$body.removeEventListener(events.touchmove, preventBouncing, {passive: false});
|
|
$body.addEventListener(events.touchmove, preventBouncing, {passive: false});
|
|
}
|
|
|
|
$(WRAPPER_SEL)[0].removeEventListener(events.touchstart, touchStartHandler);
|
|
$(WRAPPER_SEL)[0].removeEventListener(events.touchmove, touchMoveHandler, {passive: false});
|
|
|
|
$(WRAPPER_SEL)[0].addEventListener(events.touchstart, touchStartHandler);
|
|
$(WRAPPER_SEL)[0].addEventListener(events.touchmove, touchMoveHandler, {passive: false});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes the auto scrolling for touch devices.
|
|
*/
|
|
function removeTouchHandler(){
|
|
if(isTouchDevice || isTouch){
|
|
// normalScrollElements requires it off #2691
|
|
if(options.autoScrolling){
|
|
$body.removeEventListener(events.touchmove, touchMoveHandler, {passive: false});
|
|
$body.removeEventListener(events.touchmove, preventBouncing, {passive: false});
|
|
}
|
|
|
|
$(WRAPPER_SEL)[0].removeEventListener(events.touchstart, touchStartHandler);
|
|
$(WRAPPER_SEL)[0].removeEventListener(events.touchmove, touchMoveHandler, {passive: false});
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Returns and object with Microsoft pointers (for IE<11 and for IE >= 11)
|
|
* http://msdn.microsoft.com/en-us/library/ie/dn304886(v=vs.85).aspx
|
|
*/
|
|
function getMSPointer(){
|
|
var pointer;
|
|
|
|
//IE >= 11 & rest of browsers
|
|
if(window.PointerEvent){
|
|
pointer = { down: 'pointerdown', move: 'pointermove'};
|
|
}
|
|
|
|
//IE < 11
|
|
else{
|
|
pointer = { down: 'MSPointerDown', move: 'MSPointerMove'};
|
|
}
|
|
|
|
return pointer;
|
|
}
|
|
|
|
/**
|
|
* Gets the pageX and pageY properties depending on the browser.
|
|
* https://github.com/alvarotrigo/fullPage.js/issues/194#issuecomment-34069854
|
|
*/
|
|
function getEventsPage(e){
|
|
var events = [];
|
|
|
|
events.y = (typeof e.pageY !== 'undefined' && (e.pageY || e.pageX) ? e.pageY : e.touches[0].pageY);
|
|
events.x = (typeof e.pageX !== 'undefined' && (e.pageY || e.pageX) ? e.pageX : e.touches[0].pageX);
|
|
|
|
//in touch devices with scrollBar:true, e.pageY is detected, but we have to deal with touch events. #1008
|
|
if(isTouch && isReallyTouch(e) && options.scrollBar && typeof e.touches !== 'undefined'){
|
|
events.y = e.touches[0].pageY;
|
|
events.x = e.touches[0].pageX;
|
|
}
|
|
|
|
return events;
|
|
}
|
|
|
|
/**
|
|
* Slides silently (with no animation) the active slider to the given slide.
|
|
* @param noCallback {bool} true or defined -> no callbacks
|
|
*/
|
|
function silentLandscapeScroll(activeSlide, noCallbacks){
|
|
setScrollingSpeed(0, 'internal');
|
|
|
|
if(typeof noCallbacks !== 'undefined'){
|
|
//preventing firing callbacks afterSlideLoad etc.
|
|
isResizing = true;
|
|
}
|
|
|
|
landscapeScroll(closest(activeSlide, SLIDES_WRAPPER_SEL), activeSlide);
|
|
|
|
if(typeof noCallbacks !== 'undefined'){
|
|
isResizing = false;
|
|
}
|
|
|
|
setScrollingSpeed(originals.scrollingSpeed, 'internal');
|
|
}
|
|
|
|
/**
|
|
* Scrolls silently (with no animation) the page to the given Y position.
|
|
*/
|
|
function silentScroll(top){
|
|
// The first section can have a negative value in iOS 10. Not quite sure why: -0.0142822265625
|
|
// that's why we round it to 0.
|
|
var roundedTop = Math.round(top);
|
|
|
|
if (options.css3 && options.autoScrolling && !options.scrollBar){
|
|
var translate3d = 'translate3d(0px, -' + roundedTop + 'px, 0px)';
|
|
transformContainer(translate3d, false);
|
|
}
|
|
else if(options.autoScrolling && !options.scrollBar){
|
|
css(container, {'top': -roundedTop + 'px'});
|
|
FP.test.top = -roundedTop + 'px';
|
|
}
|
|
else{
|
|
var scrollSettings = getScrollSettings(roundedTop);
|
|
setScrolling(scrollSettings.element, scrollSettings.options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the cross-browser transform string.
|
|
*/
|
|
function getTransforms(translate3d){
|
|
return {
|
|
'-webkit-transform': translate3d,
|
|
'-moz-transform': translate3d,
|
|
'-ms-transform':translate3d,
|
|
'transform': translate3d
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Allowing or disallowing the mouse/swipe scroll in a given direction. (not for keyboard)
|
|
* @type m (mouse) or k (keyboard)
|
|
*/
|
|
function setIsScrollAllowed(value, direction, type){
|
|
//up, down, left, right
|
|
if(direction !== 'all'){
|
|
isScrollAllowed[type][direction] = value;
|
|
}
|
|
|
|
//all directions?
|
|
else{
|
|
Object.keys(isScrollAllowed[type]).forEach(function(key){
|
|
isScrollAllowed[type][key] = value;
|
|
});
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Destroys fullpage.js plugin events and optinally its html markup and styles
|
|
*/
|
|
function destroy(all){
|
|
setAutoScrolling(false, 'internal');
|
|
setAllowScrolling(false);
|
|
setKeyboardScrolling(false);
|
|
addClass(container, DESTROYED);
|
|
|
|
clearTimeout(afterSlideLoadsId);
|
|
clearTimeout(afterSectionLoadsId);
|
|
clearTimeout(resizeId);
|
|
clearTimeout(scrollId);
|
|
clearTimeout(scrollId2);
|
|
|
|
|
|
window.removeEventListener('scroll', scrollHandler);
|
|
window.removeEventListener('hashchange', hashChangeHandler);
|
|
window.removeEventListener('resize', resizeHandler);
|
|
|
|
document.removeEventListener('keydown', keydownHandler);
|
|
document.removeEventListener('keyup', keyUpHandler);
|
|
|
|
var clickTouchEvents = [sectionBulletHandler, tooltipTextHandler, slideArrowHandler, slideBulletHandler];
|
|
['click', 'touchstart'].forEach(function(eventName){
|
|
clickTouchEvents.forEach(function(foo){
|
|
document.removeEventListener(eventName, foo);
|
|
});
|
|
});
|
|
|
|
['mouseenter', 'touchstart', 'mouseleave', 'touchend'].forEach(function(eventName){
|
|
document.removeEventListener(eventName, onMouseEnterOrLeave, true); //true is required!
|
|
});
|
|
|
|
clearTimeout(afterSlideLoadsId);
|
|
clearTimeout(afterSectionLoadsId);
|
|
|
|
//lets make a mess!
|
|
if(all){
|
|
destroyStructure();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Removes inline styles added by fullpage.js
|
|
*/
|
|
function destroyStructure(){
|
|
//reseting the `top` or `translate` properties to 0
|
|
silentScroll(0);
|
|
|
|
//loading all the lazy load content
|
|
$('img[data-src], source[data-src], audio[data-src], iframe[data-src]', container).forEach(function(item){
|
|
setSrc(item, 'src');
|
|
});
|
|
|
|
$('img[data-srcset]').forEach(function(item){
|
|
setSrc(item, 'srcset');
|
|
});
|
|
|
|
remove($(SECTION_NAV_SEL + ', ' + SLIDES_NAV_SEL + ', ' + SLIDES_ARROW_SEL));
|
|
|
|
//removing inline styles
|
|
css($(SECTION_SEL), {
|
|
'height': '',
|
|
'background-color' : '',
|
|
'padding': ''
|
|
});
|
|
|
|
css($(SLIDE_SEL), {
|
|
'width': ''
|
|
});
|
|
|
|
css(container, {
|
|
'height': '',
|
|
'position': '',
|
|
'-ms-touch-action': '',
|
|
'touch-action': ''
|
|
});
|
|
|
|
css($htmlBody, {
|
|
'overflow': '',
|
|
'height': ''
|
|
});
|
|
|
|
// remove .fp-enabled class
|
|
removeClass($('html'), ENABLED);
|
|
|
|
// remove .fp-responsive class
|
|
removeClass($body, RESPONSIVE);
|
|
|
|
// remove all of the .fp-viewing- classes
|
|
$body.className.split(/\s+/).forEach(function (className) {
|
|
if (className.indexOf(VIEWING_PREFIX) === 0) {
|
|
removeClass($body, className);
|
|
}
|
|
});
|
|
|
|
//removing added classes
|
|
$(SECTION_SEL + ', ' + SLIDE_SEL).forEach(function(item){
|
|
if(options.scrollOverflowHandler){
|
|
options.scrollOverflowHandler.remove(item);
|
|
}
|
|
removeClass(item, TABLE + ' ' + ACTIVE + ' ' + COMPLETELY);
|
|
var previousStyles = item.getAttribute('data-fp-styles');
|
|
if(previousStyles){
|
|
item.setAttribute('style', item.getAttribute('data-fp-styles'));
|
|
}
|
|
});
|
|
|
|
//removing the applied transition from the fullpage wrapper
|
|
removeAnimation(container);
|
|
|
|
//Unwrapping content
|
|
[TABLE_CELL_SEL, SLIDES_CONTAINER_SEL,SLIDES_WRAPPER_SEL].forEach(function(selector){
|
|
$(selector, container).forEach(function(item){
|
|
//unwrap not being use in case there's no child element inside and its just text
|
|
item.outerHTML = item.innerHTML;
|
|
});
|
|
});
|
|
|
|
//removing the applied transition from the fullpage wrapper
|
|
css(container, {
|
|
'-webkit-transition': 'none',
|
|
'transition': 'none'
|
|
});
|
|
|
|
//scrolling the page to the top with no animation
|
|
$('html')[0].scrollTo(0, 0);
|
|
$('body')[0].scrollTo(0, 0);
|
|
|
|
//removing selectors
|
|
var usedSelectors = [SECTION, SLIDE, SLIDES_CONTAINER];
|
|
usedSelectors.forEach(function(item){
|
|
removeClass($('.' + item), item);
|
|
});
|
|
}
|
|
|
|
/*
|
|
* Sets the state for a variable with multiple states (original, and temporal)
|
|
* Some variables such as `autoScrolling` or `recordHistory` might change automatically its state when using `responsive` or `autoScrolling:false`.
|
|
* This function is used to keep track of both states, the original and the temporal one.
|
|
* If type is not 'internal', then we assume the user is globally changing the variable.
|
|
*/
|
|
function setVariableState(variable, value, type){
|
|
options[variable] = value;
|
|
if(type !== 'internal'){
|
|
originals[variable] = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Displays warnings
|
|
*/
|
|
function displayWarnings(){
|
|
if(!isLicenseValid){
|
|
showError('error', 'Fullpage.js version 3 has changed its license to GPLv3 and it requires a `licenseKey` option. Read about it here:');
|
|
showError('error', 'https://github.com/alvarotrigo/fullPage.js#options.');
|
|
}
|
|
|
|
var extensions = ['fadingEffect', 'continuousHorizontal', 'scrollHorizontally', 'interlockedSlides', 'resetSliders', 'responsiveSlides', 'offsetSections', 'dragAndMove', 'scrollOverflowReset', 'parallax'];
|
|
if(hasClass($('html'), ENABLED)){
|
|
showError('error', 'Fullpage.js can only be initialized once and you are doing it multiple times!');
|
|
return;
|
|
}
|
|
|
|
// Disable mutually exclusive settings
|
|
if (options.continuousVertical &&
|
|
(options.loopTop || options.loopBottom)) {
|
|
options.continuousVertical = false;
|
|
showError('warn', 'Option `loopTop/loopBottom` is mutually exclusive with `continuousVertical`; `continuousVertical` disabled');
|
|
}
|
|
|
|
if(options.scrollBar && options.scrollOverflow){
|
|
showError('warn', 'Option `scrollBar` is mutually exclusive with `scrollOverflow`. Sections with scrollOverflow might not work well in Firefox');
|
|
}
|
|
|
|
if(options.continuousVertical && (options.scrollBar || !options.autoScrolling)){
|
|
options.continuousVertical = false;
|
|
showError('warn', 'Scroll bars (`scrollBar:true` or `autoScrolling:false`) are mutually exclusive with `continuousVertical`; `continuousVertical` disabled');
|
|
}
|
|
|
|
if(options.scrollOverflow && options.scrollOverflowHandler == null){
|
|
options.scrollOverflow = false;
|
|
showError('error', 'The option `scrollOverflow:true` requires the file `scrolloverflow.min.js`. Please include it before fullPage.js.');
|
|
}
|
|
|
|
//using extensions? Wrong file!
|
|
extensions.forEach(function(extension){
|
|
//is the option set to true?
|
|
if(options[extension]){
|
|
showError('warn', 'fullpage.js extensions require fullpage.extensions.min.js file instead of the usual fullpage.js. Requested: '+ extension);
|
|
}
|
|
});
|
|
|
|
//anchors can not have the same value as any element ID or NAME
|
|
options.anchors.forEach(function(name){
|
|
|
|
//case insensitive selectors (http://stackoverflow.com/a/19465187/1081396)
|
|
var nameAttr = [].slice.call($('[name]')).filter(function(item) {
|
|
return item.getAttribute('name') && item.getAttribute('name').toLowerCase() == name.toLowerCase();
|
|
});
|
|
|
|
var idAttr = [].slice.call($('[id]')).filter(function(item) {
|
|
return item.getAttribute('id') && item.getAttribute('id').toLowerCase() == name.toLowerCase();
|
|
});
|
|
|
|
if(idAttr.length || nameAttr.length ){
|
|
showError('error', 'data-anchor tags can not have the same value as any `id` element on the site (or `name` element for IE).');
|
|
if(idAttr.length){
|
|
showError('error', '"' + name + '" is is being used by another element `id` property');
|
|
}
|
|
if(nameAttr.length){
|
|
showError('error', '"' + name + '" is is being used by another element `name` property');
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Getting the position of the element to scroll when using jQuery animations
|
|
*/
|
|
function getScrolledPosition(element){
|
|
var position;
|
|
|
|
//is not the window element and is a slide?
|
|
if(element.self != window && hasClass(element, SLIDES_WRAPPER)){
|
|
position = element.scrollLeft;
|
|
}
|
|
else if(!options.autoScrolling || options.scrollBar){
|
|
position = getScrollTop();
|
|
}
|
|
else{
|
|
position = element.offsetTop;
|
|
}
|
|
|
|
//gets the top property of the wrapper
|
|
return position;
|
|
}
|
|
|
|
/**
|
|
* Simulates the animated scrollTop of jQuery. Used when css3:false or scrollBar:true or autoScrolling:false
|
|
* http://stackoverflow.com/a/16136789/1081396
|
|
*/
|
|
function scrollTo(element, to, duration, callback) {
|
|
var start = getScrolledPosition(element);
|
|
var change = to - start;
|
|
var currentTime = 0;
|
|
var increment = 20;
|
|
activeAnimation = true;
|
|
|
|
var animateScroll = function(){
|
|
if(activeAnimation){ //in order to stope it from other function whenever we want
|
|
var val = to;
|
|
|
|
currentTime += increment;
|
|
|
|
if(duration){
|
|
val = window.fp_easings[options.easing](currentTime, start, change, duration);
|
|
}
|
|
|
|
setScrolling(element, val);
|
|
|
|
if(currentTime < duration) {
|
|
setTimeout(animateScroll, increment);
|
|
}else if(typeof callback !== 'undefined'){
|
|
callback();
|
|
}
|
|
}else if (currentTime < duration){
|
|
callback();
|
|
}
|
|
};
|
|
|
|
animateScroll();
|
|
}
|
|
|
|
/**
|
|
* Scrolls the page / slider the given number of pixels.
|
|
* It will do it one or another way dependiong on the library's config.
|
|
*/
|
|
function setScrolling(element, val){
|
|
if(!options.autoScrolling || options.scrollBar || (element.self != window && hasClass(element, SLIDES_WRAPPER))){
|
|
|
|
//scrolling horizontally through the slides?
|
|
if(element.self != window && hasClass(element, SLIDES_WRAPPER)){
|
|
element.scrollLeft = val;
|
|
}
|
|
//vertical scroll
|
|
else{
|
|
element.scrollTo(0, val);
|
|
}
|
|
}else{
|
|
element.style.top = val + 'px';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the active slide.
|
|
*/
|
|
function getActiveSlide(){
|
|
var activeSlide = $(SLIDE_ACTIVE_SEL, $(SECTION_ACTIVE_SEL)[0])[0];
|
|
return nullOrSlide(activeSlide);
|
|
}
|
|
|
|
/**
|
|
* Gets the active section.
|
|
*/
|
|
function getActiveSection(){
|
|
return new Section($(SECTION_ACTIVE_SEL)[0]);
|
|
}
|
|
|
|
/**
|
|
* Item. Slide or Section objects share the same properties.
|
|
*/
|
|
function Item(el, selector){
|
|
this.anchor = el.getAttribute('data-anchor');
|
|
this.item = el;
|
|
this.index = index(el, selector);
|
|
this.isLast = this.index === $(selector).length -1;
|
|
this.isFirst = !this.index;
|
|
}
|
|
|
|
/**
|
|
* Section object
|
|
*/
|
|
function Section(el){
|
|
Item.call(this, el, SECTION_SEL);
|
|
}
|
|
|
|
/**
|
|
* Slide object
|
|
*/
|
|
function Slide(el){
|
|
Item.call(this, el, SLIDE_SEL);
|
|
}
|
|
|
|
return FP;
|
|
} //end of $.fn.fullpage
|
|
|
|
|
|
//utils
|
|
/**
|
|
* Shows a message in the console of the given type.
|
|
*/
|
|
function showError(type, text){
|
|
window.console && window.console[type] && window.console[type]('fullPage: ' + text);
|
|
}
|
|
|
|
/**
|
|
* Equivalent or jQuery function $().
|
|
*/
|
|
function $(selector, context){
|
|
context = arguments.length > 1 ? context : document;
|
|
return context ? context.querySelectorAll(selector) : null;
|
|
}
|
|
|
|
/**
|
|
* Extends a given Object properties and its childs.
|
|
*/
|
|
function deepExtend(out) {
|
|
out = out || {};
|
|
|
|
for (var i = 1; i < arguments.length; i++) {
|
|
var obj = arguments[i];
|
|
|
|
if (!obj)
|
|
continue;
|
|
|
|
for (var key in obj) {
|
|
if (obj.hasOwnProperty(key)) {
|
|
if (typeof obj[key] === 'object' && obj[key] != null)
|
|
out[key] = deepExtend(out[key], obj[key]);
|
|
else
|
|
out[key] = obj[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
/**
|
|
* Checks if the passed element contains the passed class.
|
|
*/
|
|
function hasClass(el, className){
|
|
if(el == null){
|
|
return false;
|
|
}
|
|
if (el.classList){
|
|
return el.classList.contains(className);
|
|
}
|
|
return new RegExp('(^| )' + className + '( |$)', 'gi').test(el.className);
|
|
}
|
|
|
|
/**
|
|
* Gets the window height. Crossbrowser.
|
|
*/
|
|
function getWindowHeight(){
|
|
return 'innerHeight' in window ? window.innerHeight : document.documentElement.offsetHeight;
|
|
}
|
|
|
|
/**
|
|
* Set's the CSS properties for the passed item/s.
|
|
* @param {NodeList|HTMLElement} items
|
|
* @param {Object} props css properties and values.
|
|
*/
|
|
function css(items, props) {
|
|
items = getList(items);
|
|
|
|
var key;
|
|
for (key in props) {
|
|
if (props.hasOwnProperty(key)) {
|
|
if (key !== null) {
|
|
for (var i = 0; i < items.length; i++) {
|
|
var item = items[i];
|
|
item.style[key] = props[key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return items;
|
|
}
|
|
|
|
/**
|
|
* Generic function to get the previous or next element.
|
|
*/
|
|
function until(item, selector, fn){
|
|
var sibling = item[fn];
|
|
while(sibling && !matches(sibling, selector)){
|
|
sibling = sibling[fn];
|
|
}
|
|
|
|
return sibling;
|
|
}
|
|
|
|
/**
|
|
* Gets the previous element to the passed element that matches the passed selector.
|
|
*/
|
|
function prevUntil(item, selector){
|
|
return until(item, selector, 'previousElementSibling');
|
|
}
|
|
|
|
/**
|
|
* Gets the next element to the passed element that matches the passed selector.
|
|
*/
|
|
function nextUntil(item, selector){
|
|
return until(item, selector, 'nextElementSibling');
|
|
}
|
|
|
|
/**
|
|
* Gets the previous element to the passed element.
|
|
*/
|
|
function prev(item){
|
|
return item.previousElementSibling;
|
|
}
|
|
|
|
/**
|
|
* Gets the next element to the passed element.
|
|
*/
|
|
function next(item){
|
|
return item.nextElementSibling;
|
|
}
|
|
|
|
/**
|
|
* Gets the last element from the passed list of elements.
|
|
*/
|
|
function last(item){
|
|
return item[item.length-1];
|
|
}
|
|
|
|
/**
|
|
* Gets index from the passed element.
|
|
* @param {String} selector is optional.
|
|
*/
|
|
function index(item, selector) {
|
|
item = isArrayOrList(item) ? item[0] : item;
|
|
var children = selector != null? $(selector, item.parentNode) : item.parentNode.childNodes;
|
|
var num = 0;
|
|
for (var i=0; i<children.length; i++) {
|
|
if (children[i] == item) return num;
|
|
if (children[i].nodeType==1) num++;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Gets an iterable element for the passed element/s
|
|
*/
|
|
function getList(item){
|
|
return !isArrayOrList(item) ? [item] : item;
|
|
}
|
|
|
|
/**
|
|
* Adds the display=none property for the passed element/s
|
|
*/
|
|
function hide(el){
|
|
el = getList(el);
|
|
|
|
for(var i = 0; i<el.length; i++){
|
|
el[i].style.display = 'none';
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Adds the display=block property for the passed element/s
|
|
*/
|
|
function show(el){
|
|
el = getList(el);
|
|
|
|
for(var i = 0; i<el.length; i++){
|
|
el[i].style.display = 'block';
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Checks if the passed element is an iterable element or not
|
|
*/
|
|
function isArrayOrList(el){
|
|
return Object.prototype.toString.call( el ) === '[object Array]' ||
|
|
Object.prototype.toString.call( el ) === '[object NodeList]';
|
|
}
|
|
|
|
/**
|
|
* Adds the passed class to the passed element/s
|
|
*/
|
|
function addClass(el, className) {
|
|
el = getList(el);
|
|
|
|
for(var i = 0; i<el.length; i++){
|
|
var item = el[i];
|
|
if (item.classList){
|
|
item.classList.add(className);
|
|
}
|
|
else{
|
|
item.className += ' ' + className;
|
|
}
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Removes the passed class to the passed element/s
|
|
* @param {String} `className` can be multiple classnames separated by whitespace
|
|
*/
|
|
function removeClass(el, className){
|
|
el = getList(el);
|
|
|
|
var classNames = className.split(' ');
|
|
|
|
for(var a = 0; a<classNames.length; a++){
|
|
className = classNames[a];
|
|
for(var i = 0; i<el.length; i++){
|
|
var item = el[i];
|
|
if (item.classList){
|
|
item.classList.remove(className);
|
|
}
|
|
else{
|
|
item.className = item.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
|
|
}
|
|
}
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Appends the given element ot the given parent.
|
|
*/
|
|
function appendTo(el, parent){
|
|
parent.appendChild(el);
|
|
}
|
|
|
|
/**
|
|
Usage:
|
|
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = 'fp-slides';
|
|
wrap($('.slide'), wrapper);
|
|
|
|
https://jsfiddle.net/qwzc7oy3/15/ (vanilla)
|
|
https://jsfiddle.net/oya6ndka/1/ (jquery equivalent)
|
|
*/
|
|
function wrap(toWrap, wrapper, isWrapAll) {
|
|
var newParent;
|
|
wrapper = wrapper || document.createElement('div');
|
|
for(var i = 0; i < toWrap.length; i++){
|
|
var item = toWrap[i];
|
|
if(isWrapAll && !i || !isWrapAll){
|
|
newParent = wrapper.cloneNode(true);
|
|
item.parentNode.insertBefore(newParent, item);
|
|
}
|
|
newParent.appendChild(item);
|
|
}
|
|
return toWrap;
|
|
}
|
|
|
|
/**
|
|
Usage:
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = 'fp-slides';
|
|
wrap($('.slide'), wrapper);
|
|
|
|
https://jsfiddle.net/qwzc7oy3/27/ (vanilla)
|
|
https://jsfiddle.net/oya6ndka/4/ (jquery equivalent)
|
|
*/
|
|
function wrapAll(toWrap, wrapper) {
|
|
wrap(toWrap, wrapper, true);
|
|
}
|
|
|
|
/**
|
|
* Usage:
|
|
* wrapInner(document.querySelector('#pepe'), '<div class="test">afdas</div>');
|
|
* wrapInner(document.querySelector('#pepe'), element);
|
|
*
|
|
* https://jsfiddle.net/zexxz0tw/6/
|
|
*
|
|
* https://stackoverflow.com/a/21817590/1081396
|
|
*/
|
|
function wrapInner(parent, wrapper) {
|
|
if (typeof wrapper === "string"){
|
|
wrapper = createElementFromHTML(wrapper);
|
|
}
|
|
|
|
parent.appendChild(wrapper);
|
|
|
|
while(parent.firstChild !== wrapper){
|
|
wrapper.appendChild(parent.firstChild);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* http://stackoverflow.com/questions/22100853/dom-pure-javascript-solution-to-jquery-closest-implementation
|
|
* Returns the element or `false` if there's none
|
|
*/
|
|
function closest(el, selector) {
|
|
if(el && el.nodeType === 1){
|
|
if(matches(el, selector)){
|
|
return el;
|
|
}
|
|
return closest(el.parentNode, selector);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Places one element (rel) after another one or group of them (reference).
|
|
* @param {HTMLElement} reference
|
|
* @param {HTMLElement|NodeList|String} el
|
|
* https://jsfiddle.net/9s97hhzv/1/
|
|
*/
|
|
function after(reference, el) {
|
|
insertBefore(reference, reference.nextSibling, el);
|
|
}
|
|
|
|
/**
|
|
* Places one element (rel) before another one or group of them (reference).
|
|
* @param {HTMLElement} reference
|
|
* @param {HTMLElement|NodeList|String} el
|
|
* https://jsfiddle.net/9s97hhzv/1/
|
|
*/
|
|
function before(reference, el) {
|
|
insertBefore(reference, reference, el);
|
|
}
|
|
|
|
/**
|
|
* Based in https://stackoverflow.com/a/19316024/1081396
|
|
* and https://stackoverflow.com/a/4793630/1081396
|
|
*/
|
|
function insertBefore(reference, beforeElement, el){
|
|
if(!isArrayOrList(el)){
|
|
if(typeof el == 'string'){
|
|
el = createElementFromHTML(el);
|
|
}
|
|
el = [el];
|
|
}
|
|
|
|
for(var i = 0; i<el.length; i++){
|
|
reference.parentNode.insertBefore(el[i], beforeElement);
|
|
}
|
|
}
|
|
|
|
//http://stackoverflow.com/questions/3464876/javascript-get-window-x-y-position-for-scroll
|
|
function getScrollTop(){
|
|
var doc = document.documentElement;
|
|
return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
|
|
}
|
|
|
|
/**
|
|
* Gets the siblings of the passed element
|
|
*/
|
|
function siblings(el){
|
|
return Array.prototype.filter.call(el.parentNode.children, function(child){
|
|
return child !== el;
|
|
});
|
|
}
|
|
|
|
//for IE 9 ?
|
|
function preventDefault(event){
|
|
if(event.preventDefault){
|
|
event.preventDefault();
|
|
}
|
|
else{
|
|
event.returnValue = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determines whether the passed item is of function type.
|
|
*/
|
|
function isFunction(item) {
|
|
if (typeof item === 'function') {
|
|
return true;
|
|
}
|
|
var type = Object.prototype.toString(item);
|
|
return type === '[object Function]' || type === '[object GeneratorFunction]';
|
|
}
|
|
|
|
/**
|
|
* Trigger custom events
|
|
*/
|
|
function trigger(el, eventName, data){
|
|
var event;
|
|
data = typeof data === 'undefined' ? {} : data;
|
|
|
|
// Native
|
|
if(typeof window.CustomEvent === "function" ){
|
|
event = new CustomEvent(eventName, {detail: data});
|
|
}
|
|
else{
|
|
event = document.createEvent('CustomEvent');
|
|
event.initCustomEvent(eventName, true, true, data);
|
|
}
|
|
|
|
el.dispatchEvent(event);
|
|
}
|
|
|
|
/**
|
|
* Polyfill of .matches()
|
|
*/
|
|
function matches(el, selector) {
|
|
return (el.matches || el.matchesSelector || el.msMatchesSelector || el.mozMatchesSelector || el.webkitMatchesSelector || el.oMatchesSelector).call(el, selector);
|
|
}
|
|
|
|
/**
|
|
* Toggles the visibility of the passed element el.
|
|
*/
|
|
function toggle(el, value){
|
|
if(typeof value === "boolean"){
|
|
for(var i = 0; i<el.length; i++){
|
|
el[i].style.display = value ? 'block' : 'none';
|
|
}
|
|
}
|
|
//we don't use it in other way, so no else :)
|
|
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Creates a HTMLElement from the passed HTML string.
|
|
* https://stackoverflow.com/a/494348/1081396
|
|
*/
|
|
function createElementFromHTML(htmlString) {
|
|
var div = document.createElement('div');
|
|
div.innerHTML = htmlString.trim();
|
|
|
|
// Change this to div.childNodes to support multiple top-level nodes
|
|
return div.firstChild;
|
|
}
|
|
|
|
/**
|
|
* Removes the passed item/s from the DOM.
|
|
*/
|
|
function remove(items){
|
|
items = getList(items);
|
|
for(var i = 0; i<items.length; i++){
|
|
var item = items[i];
|
|
if(item && item.parentElement) {
|
|
item.parentNode.removeChild(item);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters an array by the passed filter funtion.
|
|
*/
|
|
function filter(el, filterFn){
|
|
Array.prototype.filter.call(el, filterFn);
|
|
}
|
|
|
|
//https://jsfiddle.net/w1rktecz/
|
|
function untilAll(item, selector, fn){
|
|
var sibling = item[fn];
|
|
var siblings = [];
|
|
while(sibling){
|
|
if(matches(sibling, selector) || selector == null) {
|
|
siblings.push(sibling);
|
|
}
|
|
sibling = sibling[fn];
|
|
}
|
|
|
|
return siblings;
|
|
}
|
|
|
|
/**
|
|
* Gets all next elements matching the passed selector.
|
|
*/
|
|
function nextAll(item, selector){
|
|
return untilAll(item, selector, 'nextElementSibling');
|
|
}
|
|
|
|
/**
|
|
* Gets all previous elements matching the passed selector.
|
|
*/
|
|
function prevAll(item, selector){
|
|
return untilAll(item, selector, 'previousElementSibling');
|
|
}
|
|
|
|
/**
|
|
* Converts an object to an array.
|
|
*/
|
|
function toArray(objectData){
|
|
return Object.keys(objectData).map(function(key) {
|
|
return objectData[key];
|
|
});
|
|
}
|
|
|
|
/**
|
|
* forEach polyfill for IE
|
|
* https://developer.mozilla.org/en-US/docs/Web/API/NodeList/forEach#Browser_Compatibility
|
|
*/
|
|
if (window.NodeList && !NodeList.prototype.forEach) {
|
|
NodeList.prototype.forEach = function (callback, thisArg) {
|
|
thisArg = thisArg || window;
|
|
for (var i = 0; i < this.length; i++) {
|
|
callback.call(thisArg, this[i], i, this);
|
|
}
|
|
};
|
|
}
|
|
|
|
//utils are public, so we can use it wherever we want
|
|
window.fp_utils = {
|
|
$: $,
|
|
deepExtend: deepExtend,
|
|
hasClass: hasClass,
|
|
getWindowHeight: getWindowHeight,
|
|
css: css,
|
|
until: until,
|
|
prevUntil: prevUntil,
|
|
nextUntil: nextUntil,
|
|
prev: prev,
|
|
next: next,
|
|
last: last,
|
|
index: index,
|
|
getList: getList,
|
|
hide: hide,
|
|
show: show,
|
|
isArrayOrList: isArrayOrList,
|
|
addClass: addClass,
|
|
removeClass: removeClass,
|
|
appendTo: appendTo,
|
|
wrap: wrap,
|
|
wrapAll: wrapAll,
|
|
wrapInner: wrapInner,
|
|
closest: closest,
|
|
after: after,
|
|
before: before,
|
|
insertBefore: insertBefore,
|
|
getScrollTop: getScrollTop,
|
|
siblings: siblings,
|
|
preventDefault: preventDefault,
|
|
isFunction: isFunction,
|
|
trigger: trigger,
|
|
matches: matches,
|
|
toggle: toggle,
|
|
createElementFromHTML: createElementFromHTML,
|
|
remove: remove,
|
|
filter: filter,
|
|
untilAll: untilAll,
|
|
nextAll: nextAll,
|
|
prevAll: prevAll
|
|
};
|
|
|
|
return initialise;
|
|
}));
|
|
|
|
/**
|
|
* jQuery adapter for fullPage.js 3.0.0
|
|
*/
|
|
if(window.jQuery && window.fullpage){
|
|
(function ($, fullpage) {
|
|
'use strict';
|
|
|
|
// No jQuery No Go
|
|
if (!$ || !fullpage) {
|
|
window.fp_utils.showError('error', 'jQuery is required to use the jQuery fullpage adapter!');
|
|
return;
|
|
}
|
|
|
|
$.fn.fullpage = function(options) {
|
|
var FP = new fullpage('#' + $(this).attr('id'), options);
|
|
|
|
//Static API
|
|
Object.keys(FP).forEach(function (key) {
|
|
$.fn.fullpage[key] = FP[key];
|
|
});
|
|
};
|
|
})(jQuery, fullpage);
|
|
}
|
|
|