|
|
Line 237: |
Line 237: |
| $(document).ready(function() { | | $(document).ready(function() { |
| $('#fullpage').fullpage(); | | $('#fullpage').fullpage(); |
− | });
| |
− | /*!
| |
− | * fullPage 2.9.5
| |
− | * https://github.com/alvarotrigo/fullPage.js
| |
− | * @license MIT licensed
| |
− | *
| |
− | * Copyright (C) 2015 alvarotrigo.com - A project by Alvaro Trigo
| |
− | */
| |
− | (function(global, factory) {
| |
− | 'use strict';
| |
− | if (typeof define === 'function' && define.amd) {
| |
− | define(['jquery'], function($) {
| |
− | return factory($, global, global.document, global.Math);
| |
− | });
| |
− | } else if (typeof exports === "object" && exports) {
| |
− | module.exports = factory(require('jquery'), global, global.document, global.Math);
| |
− | } else {
| |
− | factory(jQuery, global, global.document, global.Math);
| |
− | }
| |
− | })(typeof window !== 'undefined' ? window : this, function($, window, document, Math, undefined) {
| |
− | 'use strict';
| |
− |
| |
− | // keeping central set of classnames and selectors
| |
− | var WRAPPER = 'fullpage-wrapper';
| |
− | var WRAPPER_SEL = '.' + WRAPPER;
| |
− |
| |
− | // slimscroll
| |
− | var SCROLLABLE = 'fp-scrollable';
| |
− | var SCROLLABLE_SEL = '.' + SCROLLABLE;
| |
− |
| |
− | // util
| |
− | var RESPONSIVE = 'fp-responsive';
| |
− | var NO_TRANSITION = 'fp-notransition';
| |
− | var DESTROYED = 'fp-destroyed';
| |
− | var ENABLED = 'fp-enabled';
| |
− | var VIEWING_PREFIX = 'fp-viewing';
| |
− | var ACTIVE = 'active';
| |
− | var ACTIVE_SEL = '.' + ACTIVE;
| |
− | var COMPLETELY = 'fp-completely';
| |
− | var COMPLETELY_SEL = '.' + COMPLETELY;
| |
− |
| |
− | // section
| |
− | var SECTION_DEFAULT_SEL = '.section';
| |
− | var SECTION = 'fp-section';
| |
− | var SECTION_SEL = '.' + SECTION;
| |
− | var SECTION_ACTIVE_SEL = SECTION_SEL + ACTIVE_SEL;
| |
− | var SECTION_FIRST_SEL = SECTION_SEL + ':first';
| |
− | var SECTION_LAST_SEL = SECTION_SEL + ':last';
| |
− | var TABLE_CELL = 'fp-tableCell';
| |
− | var TABLE_CELL_SEL = '.' + TABLE_CELL;
| |
− | var AUTO_HEIGHT = 'fp-auto-height';
| |
− | var AUTO_HEIGHT_SEL = '.fp-auto-height';
| |
− | var NORMAL_SCROLL = 'fp-normal-scroll';
| |
− | var NORMAL_SCROLL_SEL = '.fp-normal-scroll';
| |
− |
| |
− | // section nav
| |
− | var SECTION_NAV = 'fp-nav';
| |
− | var SECTION_NAV_SEL = '#' + SECTION_NAV;
| |
− | var SECTION_NAV_TOOLTIP = 'fp-tooltip';
| |
− | var SECTION_NAV_TOOLTIP_SEL='.'+SECTION_NAV_TOOLTIP;
| |
− | var SHOW_ACTIVE_TOOLTIP = 'fp-show-active';
| |
− |
| |
− | // slide
| |
− | var SLIDE_DEFAULT_SEL = '.slide';
| |
− | var SLIDE = 'fp-slide';
| |
− | var SLIDE_SEL = '.' + SLIDE;
| |
− | var SLIDE_ACTIVE_SEL = SLIDE_SEL + ACTIVE_SEL;
| |
− | var SLIDES_WRAPPER = 'fp-slides';
| |
− | var SLIDES_WRAPPER_SEL = '.' + SLIDES_WRAPPER;
| |
− | var SLIDES_CONTAINER = 'fp-slidesContainer';
| |
− | var SLIDES_CONTAINER_SEL = '.' + SLIDES_CONTAINER;
| |
− | var TABLE = 'fp-table';
| |
− |
| |
− | // slide nav
| |
− | var SLIDES_NAV = 'fp-slidesNav';
| |
− | var SLIDES_NAV_SEL = '.' + SLIDES_NAV;
| |
− | var SLIDES_NAV_LINK_SEL = SLIDES_NAV_SEL + ' a';
| |
− | var SLIDES_ARROW = 'fp-controlArrow';
| |
− | var SLIDES_ARROW_SEL = '.' + SLIDES_ARROW;
| |
− | var SLIDES_PREV = 'fp-prev';
| |
− | var SLIDES_PREV_SEL = '.' + SLIDES_PREV;
| |
− | var SLIDES_ARROW_PREV = SLIDES_ARROW + ' ' + SLIDES_PREV;
| |
− | var SLIDES_ARROW_PREV_SEL = SLIDES_ARROW_SEL + SLIDES_PREV_SEL;
| |
− | var SLIDES_NEXT = 'fp-next';
| |
− | var SLIDES_NEXT_SEL = '.' + SLIDES_NEXT;
| |
− | var SLIDES_ARROW_NEXT = SLIDES_ARROW + ' ' + SLIDES_NEXT;
| |
− | var SLIDES_ARROW_NEXT_SEL = SLIDES_ARROW_SEL + SLIDES_NEXT_SEL;
| |
− |
| |
− | var $window = $(window);
| |
− | var $document = $(document);
| |
− |
| |
− | $.fn.fullpage = function(options) {
| |
− | //only once my friend!
| |
− | if($('html').hasClass(ENABLED)){ displayWarnings(); return; }
| |
− |
| |
− | // common jQuery objects
| |
− | var $htmlBody = $('html, body');
| |
− | var $body = $('body');
| |
− |
| |
− | var FP = $.fn.fullpage;
| |
− |
| |
− | // Creating some defaults, extending them with any options that were provided
| |
− | options = $.extend({
| |
− | //navigation
| |
− | menu: false,
| |
− | anchors:[],
| |
− | lockAnchors: false,
| |
− | navigation: false,
| |
− | navigationPosition: 'right',
| |
− | navigationTooltips: [],
| |
− | showActiveTooltip: false,
| |
− | slidesNavigation: false,
| |
− | slidesNavPosition: 'bottom',
| |
− | scrollBar: false,
| |
− | hybrid: false,
| |
− |
| |
− | //scrolling
| |
− | css3: true,
| |
− | scrollingSpeed: 700,
| |
− | autoScrolling: true,
| |
− | fitToSection: true,
| |
− | fitToSectionDelay: 1000,
| |
− | easing: 'easeInOutCubic',
| |
− | easingcss3: 'ease',
| |
− | loopBottom: false,
| |
− | loopTop: false,
| |
− | loopHorizontal: true,
| |
− | continuousVertical: false,
| |
− | continuousHorizontal: false,
| |
− | scrollHorizontally: false,
| |
− | interlockedSlides: false,
| |
− | dragAndMove: false,
| |
− | offsetSections: false,
| |
− | resetSliders: false,
| |
− | fadingEffect: false,
| |
− | normalScrollElements: null,
| |
− | scrollOverflow: false,
| |
− | scrollOverflowReset: false,
| |
− | scrollOverflowHandler: $.fn.fp_scrolloverflow ? $.fn.fp_scrolloverflow.iscrollHandler : null,
| |
− | scrollOverflowOptions: null,
| |
− | touchSensitivity: 5,
| |
− | normalScrollElementTouchThreshold: 5,
| |
− | bigSectionsDestination: null,
| |
− |
| |
− | //Accessibility
| |
− | keyboardScrolling: true,
| |
− | animateAnchor: true,
| |
− | recordHistory: true,
| |
− |
| |
− | //design
| |
− | controlArrows: true,
| |
− | controlArrowColor: '#fff',
| |
− | verticalCentered: true,
| |
− | sectionsColor : [],
| |
− | paddingTop: 0,
| |
− | paddingBottom: 0,
| |
− | fixedElements: null,
| |
− | responsive: 0, //backwards compabitility with responsiveWiddth
| |
− | responsiveWidth: 0,
| |
− | responsiveHeight: 0,
| |
− | responsiveSlides: false,
| |
− | parallax: false,
| |
− | parallaxOptions: {
| |
− | type: 'reveal',
| |
− | percentage: 62,
| |
− | property: 'translate'
| |
− | },
| |
− |
| |
− | //Custom selectors
| |
− | sectionSelector: SECTION_DEFAULT_SEL,
| |
− | slideSelector: SLIDE_DEFAULT_SEL,
| |
− |
| |
− | //events
| |
− | afterLoad: null,
| |
− | onLeave: null,
| |
− | afterRender: null,
| |
− | afterResize: null,
| |
− | afterReBuild: null,
| |
− | afterSlideLoad: null,
| |
− | onSlideLeave: null,
| |
− | afterResponsive: null,
| |
− |
| |
− | lazyLoading: true
| |
− | }, options);
| |
− |
| |
− | //flag to avoid very fast sliding for landscape sliders
| |
− | var slideMoving = false;
| |
− |
| |
− | var isTouchDevice = navigator.userAgent.match(/(iPhone|iPod|iPad|Android|playbook|silk|BlackBerry|BB10|Windows Phone|Tizen|Bada|webOS|IEMobile|Opera Mini)/);
| |
− | var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0) || (navigator.maxTouchPoints));
| |
− | var container = $(this);
| |
− | var windowsHeight = $window.height();
| |
− | var isResizing = false;
| |
− | var isWindowFocused = true;
| |
− | var lastScrolledDestiny;
| |
− | var lastScrolledSlide;
| |
− | var canScroll = true;
| |
− | var scrollings = [];
| |
− | var controlPressed;
| |
− | var startingSection;
| |
− | var isScrollAllowed = {};
| |
− | isScrollAllowed.m = { 'up':true, 'down':true, 'left':true, 'right':true };
| |
− | isScrollAllowed.k = $.extend(true,{}, isScrollAllowed.m);
| |
− | var MSPointer = getMSPointer();
| |
− | var events = {
| |
− | touchmove: 'ontouchmove' in window ? 'touchmove' : MSPointer.move,
| |
− | touchstart: 'ontouchstart' in window ? 'touchstart' : MSPointer.down
| |
− | };
| |
− | var scrollBarHandler;
| |
− |
| |
− | //timeouts
| |
− | var resizeId;
| |
− | var afterSectionLoadsId;
| |
− | var afterSlideLoadsId;
| |
− | var scrollId;
| |
− | var scrollId2;
| |
− | var keydownId;
| |
− | var originals = $.extend(true, {}, options); //deep copy
| |
− |
| |
− | displayWarnings();
| |
− |
| |
− | //easeInOutCubic animation included in the plugin
| |
− | $.extend($.easing,{ easeInOutCubic: function (x, t, b, c, d) {if ((t/=d/2) < 1) return c/2*t*t*t + b;return c/2*((t-=2)*t*t + 2) + b;}});
| |
− |
| |
− | /**
| |
− | * Sets the autoScroll option.
| |
− | * It changes the scroll bar visibility and the history of the site as a result.
| |
− | */
| |
− | function setAutoScrolling(value, type){
| |
− | //removing the transformation
| |
− | if(!value){
| |
− | silentScroll(0);
| |
− | }
| |
− |
| |
− | setVariableState('autoScrolling', value, type);
| |
− |
| |
− | var element = $(SECTION_ACTIVE_SEL);
| |
− |
| |
− | if(options.autoScrolling && !options.scrollBar){
| |
− | $htmlBody.css({
| |
− | 'overflow' : 'hidden',
| |
− | 'height' : '100%'
| |
− | });
| |
− |
| |
− | setRecordHistory(originals.recordHistory, 'internal');
| |
− |
| |
− | //for IE touch devices
| |
− | container.css({
| |
− | '-ms-touch-action': 'none',
| |
− | 'touch-action': 'none'
| |
− | });
| |
− |
| |
− | if(element.length){
| |
− | //moving the container up
| |
− | silentScroll(element.position().top);
| |
− | }
| |
− |
| |
− | }else{
| |
− | $htmlBody.css({
| |
− | 'overflow' : 'visible',
| |
− | 'height' : 'initial'
| |
− | });
| |
− |
| |
− | setRecordHistory(false, 'internal');
| |
− |
| |
− | //for IE touch devices
| |
− | container.css({
| |
− | '-ms-touch-action': '',
| |
− | 'touch-action': ''
| |
− | });
| |
− |
| |
− | //scrolling the page to the section with no animation
| |
− | if (element.length) {
| |
− | $htmlBody.scrollTop(element.position().top);
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Defines wheter to record the history for each hash change in the URL.
| |
− | */
| |
− | function setRecordHistory(value, type){
| |
− | setVariableState('recordHistory', value, type);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Defines the scrolling speed
| |
− | */
| |
− | function setScrollingSpeed(value, type){
| |
− | setVariableState('scrollingSpeed', value, type);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Sets fitToSection
| |
− | */
| |
− | function setFitToSection(value, type){
| |
− | setVariableState('fitToSection', value, type);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Sets lockAnchors
| |
− | */
| |
− | function setLockAnchors(value){
| |
− | options.lockAnchors = value;
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds or remove the possibility of scrolling through sections by using the mouse wheel or the trackpad.
| |
− | */
| |
− | function setMouseWheelScrolling(value){
| |
− | if(value){
| |
− | addMouseWheelHandler();
| |
− | addMiddleWheelHandler();
| |
− | }else{
| |
− | removeMouseWheelHandler();
| |
− | removeMiddleWheelHandler();
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds or remove the possibility of scrolling through sections by using the mouse wheel/trackpad or touch gestures.
| |
− | * Optionally a second parameter can be used to specify the direction for which the action will be applied.
| |
− | *
| |
− | * @param directions string containing the direction or directions separated by comma.
| |
− | */
| |
− | function setAllowScrolling(value, directions){
| |
− | if(typeof directions !== 'undefined'){
| |
− | directions = directions.replace(/ /g,'').split(',');
| |
− |
| |
− | $.each(directions, function (index, direction){
| |
− | setIsScrollAllowed(value, direction, 'm');
| |
− | });
| |
− | }
| |
− | else{
| |
− | setIsScrollAllowed(value, 'all', 'm');
| |
− |
| |
− | if(value){
| |
− | setMouseWheelScrolling(true);
| |
− | addTouchHandler();
| |
− | }else{
| |
− | setMouseWheelScrolling(false);
| |
− | removeTouchHandler();
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds or remove the possibility of scrolling through sections by using the keyboard arrow keys
| |
− | */
| |
− | function setKeyboardScrolling(value, directions){
| |
− | if(typeof directions !== 'undefined'){
| |
− | directions = directions.replace(/ /g,'').split(',');
| |
− |
| |
− | $.each(directions, function (index, direction){
| |
− | setIsScrollAllowed(value, direction, 'k');
| |
− | });
| |
− | }else{
| |
− | setIsScrollAllowed(value, 'all', 'k');
| |
− | options.keyboardScrolling = value;
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Moves the page up one section.
| |
− | */
| |
− | function moveSectionUp(){
| |
− | var prev = $(SECTION_ACTIVE_SEL).prev(SECTION_SEL);
| |
− |
| |
− | //looping to the bottom if there's no more sections above
| |
− | if (!prev.length && (options.loopTop || options.continuousVertical)) {
| |
− | prev = $(SECTION_SEL).last();
| |
− | }
| |
− |
| |
− | if (prev.length) {
| |
− | scrollPage(prev, null, true);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Moves the page down one section.
| |
− | */
| |
− | function moveSectionDown(){
| |
− | var next = $(SECTION_ACTIVE_SEL).next(SECTION_SEL);
| |
− |
| |
− | //looping to the top if there's no more sections below
| |
− | if(!next.length &&
| |
− | (options.loopBottom || options.continuousVertical)){
| |
− | next = $(SECTION_SEL).first();
| |
− | }
| |
− |
| |
− | if(next.length){
| |
− | scrollPage(next, null, false);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Moves the page to the given section and slide with no animation.
| |
− | * Anchors or index positions can be used as params.
| |
− | */
| |
− | function silentMoveTo(sectionAnchor, slideAnchor){
| |
− | setScrollingSpeed (0, 'internal');
| |
− | moveTo(sectionAnchor, slideAnchor);
| |
− | setScrollingSpeed (originals.scrollingSpeed, 'internal');
| |
− | }
| |
− |
| |
− | /**
| |
− | * Moves the page to the given section and slide.
| |
− | * Anchors or index positions can be used as params.
| |
− | */
| |
− | function moveTo(sectionAnchor, slideAnchor){
| |
− | var destiny = getSectionByAnchor(sectionAnchor);
| |
− |
| |
− | if (typeof slideAnchor !== 'undefined'){
| |
− | scrollPageAndSlide(sectionAnchor, slideAnchor);
| |
− | }else if(destiny.length > 0){
| |
− | scrollPage(destiny);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Slides right the slider of the active section.
| |
− | * Optional `section` param.
| |
− | */
| |
− | function moveSlideRight(section){
| |
− | moveSlide('right', section);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Slides left the slider of the active section.
| |
− | * Optional `section` param.
| |
− | */
| |
− | function moveSlideLeft(section){
| |
− | moveSlide('left', section);
| |
− | }
| |
− |
| |
− | /**
| |
− | * When resizing is finished, we adjust the slides sizes and positions
| |
− | */
| |
− | function reBuild(resizing){
| |
− | if(container.hasClass(DESTROYED)){ return; } //nothing to do if the plugin was destroyed
| |
− |
| |
− | isResizing = true;
| |
− |
| |
− | windowsHeight = $window.height(); //updating global var
| |
− |
| |
− | $(SECTION_SEL).each(function(){
| |
− | var slidesWrap = $(this).find(SLIDES_WRAPPER_SEL);
| |
− | var slides = $(this).find(SLIDE_SEL);
| |
− |
| |
− | //adjusting the height of the table-cell for IE and Firefox
| |
− | if(options.verticalCentered){
| |
− | $(this).find(TABLE_CELL_SEL).css('height', getTableHeight($(this)) + 'px');
| |
− | }
| |
− |
| |
− | $(this).css('height', windowsHeight + 'px');
| |
− |
| |
− | //adjusting the position fo the FULL WIDTH slides...
| |
− | if (slides.length > 1) {
| |
− | landscapeScroll(slidesWrap, slidesWrap.find(SLIDE_ACTIVE_SEL));
| |
− | }
| |
− | });
| |
− |
| |
− | if(options.scrollOverflow){
| |
− | scrollBarHandler.createScrollBarForAll();
| |
− | }
| |
− |
| |
− | var activeSection = $(SECTION_ACTIVE_SEL);
| |
− | var sectionIndex = activeSection.index(SECTION_SEL);
| |
− |
| |
− | //isn't it the first section?
| |
− | if(sectionIndex){
| |
− | //adjusting the position for the current section
| |
− | silentMoveTo(sectionIndex + 1);
| |
− | }
| |
− |
| |
− | isResizing = false;
| |
− | $.isFunction( options.afterResize ) && resizing && options.afterResize.call(container);
| |
− | $.isFunction( options.afterReBuild ) && !resizing && options.afterReBuild.call(container);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Turns fullPage.js to normal scrolling mode when the viewport `width` or `height`
| |
− | * are smaller than the set limit values.
| |
− | */
| |
− | function setResponsive(active){
| |
− | var isResponsive = $body.hasClass(RESPONSIVE);
| |
− |
| |
− | if(active){
| |
− | if(!isResponsive){
| |
− | setAutoScrolling(false, 'internal');
| |
− | setFitToSection(false, 'internal');
| |
− | $(SECTION_NAV_SEL).hide();
| |
− | $body.addClass(RESPONSIVE);
| |
− | $.isFunction( options.afterResponsive ) && options.afterResponsive.call( container, active);
| |
− | }
| |
− | }
| |
− | else if(isResponsive){
| |
− | setAutoScrolling(originals.autoScrolling, 'internal');
| |
− | setFitToSection(originals.autoScrolling, 'internal');
| |
− | $(SECTION_NAV_SEL).show();
| |
− | $body.removeClass(RESPONSIVE);
| |
− | $.isFunction( options.afterResponsive ) && options.afterResponsive.call( container, active);
| |
− | }
| |
− | }
| |
− |
| |
− | if($(this).length){
| |
− | //public functions
| |
− | FP.version = '2.9.5';
| |
− | 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.destroy = destroy;
| |
− |
| |
− | //functions we want to share across files but which are not
| |
− | //mean to be used on their own by developers
| |
− | FP.shared ={
| |
− | afterRenderActions: afterRenderActions
| |
− | };
| |
− |
| |
− | 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.on('load', scrollToAnchor);
| |
− | }
| |
− |
| |
− | function bindEvents(){
| |
− | $window
| |
− | //when scrolling...
| |
− | .on('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)
| |
− | .on('hashchange', hashChangeHandler)
| |
− |
| |
− | //when opening a new tab (ctrl + t), `control` won't be pressed when coming back.
| |
− | .blur(blurHandler)
| |
− |
| |
− | //when resizing the site, we adjust the heights of the sections, slimScroll...
| |
− | .resize(resizeHandler);
| |
− |
| |
− | $document
| |
− | //Sliding with arrow keys, both, vertical and horizontal
| |
− | .keydown(keydownHandler)
| |
− |
| |
− | //to prevent scrolling while zooming
| |
− | .keyup(keyUpHandler)
| |
− |
| |
− | //Scrolls to the section when clicking the navigation bullet
| |
− | .on('click touchstart', SECTION_NAV_SEL + ' a', sectionBulletHandler)
| |
− |
| |
− | //Scrolls the slider to the given slide destination for the given section
| |
− | .on('click touchstart', SLIDES_NAV_LINK_SEL, slideBulletHandler)
| |
− |
| |
− | .on('click', SECTION_NAV_TOOLTIP_SEL, tooltipTextHandler);
| |
− |
| |
− | //Scrolling horizontally when clicking on the slider controls.
| |
− | $(SECTION_SEL).on('click touchstart', SLIDES_ARROW_SEL, slideArrowHandler);
| |
− |
| |
− | /**
| |
− | * Applying normalScroll elements.
| |
− | * Ignoring the scrolls over the specified selectors.
| |
− | */
| |
− | if(options.normalScrollElements){
| |
− | $document.on('mouseenter touchstart', options.normalScrollElements, function () {
| |
− | setAllowScrolling(false);
| |
− | });
| |
− |
| |
− | $document.on('mouseleave touchend', options.normalScrollElements, function(){
| |
− | setAllowScrolling(true);
| |
− | });
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Setting options from DOM elements if they are not provided.
| |
− | */
| |
− | function setOptionsFromDOM(){
| |
− | var sections = container.find(options.sectionSelector);
| |
− |
| |
− | //no anchors option? Checking for them in the DOM attributes
| |
− | if(!options.anchors.length){
| |
− | options.anchors = sections.filter('[data-anchor]').map(function(){
| |
− | return $(this).data('anchor').toString();
| |
− | }).get();
| |
− | }
| |
− |
| |
− | //no tooltips option? Checking for them in the DOM attributes
| |
− | if(!options.navigationTooltips.length){
| |
− | options.navigationTooltips = sections.filter('[data-tooltip]').map(function(){
| |
− | return $(this).data('tooltip').toString();
| |
− | }).get();
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Works over the DOM structure to set it up for the current fullpage options.
| |
− | */
| |
− | function prepareDom(){
| |
− | container.css({
| |
− | 'height': '100%',
| |
− | 'position': 'relative'
| |
− | });
| |
− |
| |
− | //adding a class to recognize the container internally in the code
| |
− | container.addClass(WRAPPER);
| |
− | $('html').addClass(ENABLED);
| |
− |
| |
− | //due to https://github.com/alvarotrigo/fullPage.js/issues/1502
| |
− | windowsHeight = $window.height();
| |
− |
| |
− | container.removeClass(DESTROYED); //in case it was destroyed before initializing it again
| |
− |
| |
− | addInternalSelectors();
| |
− |
| |
− | //styling the sections / slides / menu
| |
− | $(SECTION_SEL).each(function(index){
| |
− | var section = $(this);
| |
− | var slides = section.find(SLIDE_SEL);
| |
− | var numSlides = slides.length;
| |
− |
| |
− | styleSection(section, index);
| |
− | styleMenu(section, index);
| |
− |
| |
− | // 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){
| |
− | $(options.fixedElements).appendTo($body);
| |
− | }
| |
− |
| |
− | //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;
| |
− |
| |
− | slides.wrapAll('<div class="' + SLIDES_CONTAINER + '" />');
| |
− | slides.parent().wrap('<div class="' + SLIDES_WRAPPER + '" />');
| |
− |
| |
− | section.find(SLIDES_CONTAINER_SEL).css('width', sliderWidth + '%');
| |
− |
| |
− | if(numSlides > 1){
| |
− | if(options.controlArrows){
| |
− | createSlideArrows(section);
| |
− | }
| |
− |
| |
− | if(options.slidesNavigation){
| |
− | addSlidesNavigation(section, numSlides);
| |
− | }
| |
− | }
| |
− |
| |
− | slides.each(function(index) {
| |
− | $(this).css('width', slideWidth + '%');
| |
− |
| |
− | if(options.verticalCentered){
| |
− | addTableClass($(this));
| |
− | }
| |
− | });
| |
− |
| |
− | var startingSlide = section.find(SLIDE_ACTIVE_SEL);
| |
− |
| |
− | //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.length && ($(SECTION_ACTIVE_SEL).index(SECTION_SEL) !== 0 || ($(SECTION_ACTIVE_SEL).index(SECTION_SEL) === 0 && startingSlide.index() !== 0))){
| |
− | silentLandscapeScroll(startingSlide, 'internal');
| |
− | }else{
| |
− | slides.eq(0).addClass(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).length === 0) {
| |
− | section.addClass(ACTIVE);
| |
− | }
| |
− | startingSection = $(SECTION_ACTIVE_SEL);
| |
− |
| |
− | section.css('height', windowsHeight + 'px');
| |
− |
| |
− | if(options.paddingTop){
| |
− | section.css('padding-top', options.paddingTop);
| |
− | }
| |
− |
| |
− | if(options.paddingBottom){
| |
− | section.css('padding-bottom', options.paddingBottom);
| |
− | }
| |
− |
| |
− | if (typeof options.sectionsColor[index] !== 'undefined') {
| |
− | section.css('background-color', options.sectionsColor[index]);
| |
− | }
| |
− |
| |
− | if (typeof options.anchors[index] !== 'undefined') {
| |
− | section.attr('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(section.hasClass(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 && $(options.menu).closest(WRAPPER_SEL).length){
| |
− | $(options.menu).appendTo($body);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds internal classes to be able to provide customizable selectors
| |
− | * keeping the link with the style sheet.
| |
− | */
| |
− | function addInternalSelectors(){
| |
− | container.find(options.sectionSelector).addClass(SECTION);
| |
− | container.find(options.slideSelector).addClass(SLIDE);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Creates the control arrows for the given section
| |
− | */
| |
− | function createSlideArrows(section){
| |
− | section.find(SLIDES_WRAPPER_SEL).after('<div class="' + SLIDES_ARROW_PREV + '"></div><div class="' + SLIDES_ARROW_NEXT + '"></div>');
| |
− |
| |
− | if(options.controlArrowColor!='#fff'){
| |
− | section.find(SLIDES_ARROW_NEXT_SEL).css('border-color', 'transparent transparent transparent '+options.controlArrowColor);
| |
− | section.find(SLIDES_ARROW_PREV_SEL).css('border-color', 'transparent '+ options.controlArrowColor + ' transparent transparent');
| |
− | }
| |
− |
| |
− | if(!options.loopHorizontal){
| |
− | section.find(SLIDES_ARROW_PREV_SEL).hide();
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Creates a vertical navigation bar.
| |
− | */
| |
− | function addVerticalNavigation(){
| |
− | $body.append('<div id="' + SECTION_NAV + '"><ul></ul></div>');
| |
− | var nav = $(SECTION_NAV_SEL);
| |
− |
| |
− | nav.addClass(function() {
| |
− | return options.showActiveTooltip ? SHOW_ACTIVE_TOOLTIP + ' ' + options.navigationPosition : options.navigationPosition;
| |
− | });
| |
− |
| |
− | for (var i = 0; i < $(SECTION_SEL).length; i++) {
| |
− | var link = '';
| |
− | if (options.anchors.length) {
| |
− | link = options.anchors[i];
| |
− | }
| |
− |
| |
− | var 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 + ' ' + options.navigationPosition + '">' + tooltip + '</div>';
| |
− | }
| |
− |
| |
− | li += '</li>';
| |
− |
| |
− | nav.find('ul').append(li);
| |
− | }
| |
− |
| |
− | //centering it vertically
| |
− | $(SECTION_NAV_SEL).css('margin-top', '-' + ($(SECTION_NAV_SEL).height()/2) + 'px');
| |
− |
| |
− | //activating the current active section
| |
− | $(SECTION_NAV_SEL).find('li').eq($(SECTION_ACTIVE_SEL).index(SECTION_SEL)).find('a').addClass(ACTIVE);
| |
− | }
| |
− |
| |
− | /*
| |
− | * Enables the Youtube videos API so we can control their flow if necessary.
| |
− | */
| |
− | function enableYoutubeAPI(){
| |
− | container.find('iframe[src*="youtube.com/embed/"]').each(function(){
| |
− | addURLParam($(this), 'enablejsapi=1');
| |
− | });
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds a new parameter and its value to the `src` of a given element
| |
− | */
| |
− | function addURLParam(element, newParam){
| |
− | var originalSrc = element.attr('src');
| |
− | element.attr('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);
| |
− |
| |
− | section.addClass(COMPLETELY);
| |
− |
| |
− | lazyLoad(section);
| |
− | playMedia(section);
| |
− |
| |
− | if(options.scrollOverflow){
| |
− | options.scrollOverflowHandler.afterLoad();
| |
− | }
| |
− |
| |
− | if(isDestinyTheStartingSection()){
| |
− | $.isFunction( options.afterLoad ) && options.afterLoad.call(section, section.data('anchor'), (section.index(SECTION_SEL) + 1));
| |
− | }
| |
− |
| |
− | $.isFunction( options.afterRender ) && options.afterRender.call(container);
| |
− | }
| |
− |
| |
− | /**
| |
− | * 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.length || destinationSection.length && destinationSection.index() === startingSection.index();
| |
− | }
| |
− |
| |
− |
| |
− | var isScrolling = false;
| |
− | var lastScroll = 0;
| |
− |
| |
− | //when scrolling...
| |
− | function scrollHandler(){
| |
− | var currentSection;
| |
− |
| |
− | if(!options.autoScrolling || options.scrollBar){
| |
− | var currentScroll = $window.scrollTop();
| |
− | var scrollDirection = getScrollDirection(currentScroll);
| |
− | var visibleSectionIndex = 0;
| |
− | var screen_mid = currentScroll + ($window.height() / 2.0);
| |
− | var isAtBottom = $body.height() - $window.height() === currentScroll;
| |
− | var sections = document.querySelectorAll(SECTION_SEL);
| |
− |
| |
− | //when using `auto-height` for a small last section it won't be centered in the viewport
| |
− | if(isAtBottom){
| |
− | visibleSectionIndex = sections.length - 1;
| |
− | }
| |
− | //is at top? when using `auto-height` for a small first section it won't be centered in the viewport
| |
− | else if(!currentScroll){
| |
− | visibleSectionIndex = 0;
| |
− | }
| |
− |
| |
− | //taking the section which is showing more content in the viewport
| |
− | else{
| |
− | for (var i = 0; i < sections.length; ++i) {
| |
− | var section = sections[i];
| |
− |
| |
− | // Pick the the last section which passes the middle line of the screen.
| |
− | if (section.offsetTop <= screen_mid)
| |
− | {
| |
− | visibleSectionIndex = i;
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | if(isCompletelyInViewPort(scrollDirection)){
| |
− | if(!$(SECTION_ACTIVE_SEL).hasClass(COMPLETELY)){
| |
− | $(SECTION_ACTIVE_SEL).addClass(COMPLETELY).siblings().removeClass(COMPLETELY);
| |
− | }
| |
− | }
| |
− |
| |
− | //geting the last one, the current one on the screen
| |
− | currentSection = $(sections).eq(visibleSectionIndex);
| |
− |
| |
− | //setting the visible section as active when manually scrolling
| |
− | //executing only once the first time we reach the section
| |
− | if(!currentSection.hasClass(ACTIVE)){
| |
− | isScrolling = true;
| |
− | var leavingSection = $(SECTION_ACTIVE_SEL);
| |
− | var leavingSectionIndex = leavingSection.index(SECTION_SEL) + 1;
| |
− | var yMovement = getYmovement(currentSection);
| |
− | var anchorLink = currentSection.data('anchor');
| |
− | var sectionIndex = currentSection.index(SECTION_SEL) + 1;
| |
− | var activeSlide = currentSection.find(SLIDE_ACTIVE_SEL);
| |
− | var slideIndex;
| |
− | var slideAnchorLink;
| |
− |
| |
− | if(activeSlide.length){
| |
− | slideAnchorLink = activeSlide.data('anchor');
| |
− | slideIndex = activeSlide.index();
| |
− | }
| |
− |
| |
− | if(canScroll){
| |
− | currentSection.addClass(ACTIVE).siblings().removeClass(ACTIVE);
| |
− |
| |
− | $.isFunction( options.onLeave ) && options.onLeave.call( leavingSection, leavingSectionIndex, sectionIndex, yMovement);
| |
− | $.isFunction( options.afterLoad ) && options.afterLoad.call( currentSection, anchorLink, sectionIndex);
| |
− |
| |
− | 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?
| |
− | $(SECTION_ACTIVE_SEL).outerHeight() <= windowsHeight
| |
− | ){
| |
− | fitToSection();
| |
− | }
| |
− | }, options.fitToSectionDelay);
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Fits the site to the nearest active section
| |
− | */
| |
− | function fitToSection(){
| |
− | //checking fitToSection again in case it was set to false before the timeout delay
| |
− | if(canScroll){
| |
− | //allows to scroll to an active section and
| |
− | //if the section is already active, we prevent firing callbacks
| |
− | isResizing = true;
| |
− |
| |
− | scrollPage($(SECTION_ACTIVE_SEL));
| |
− | isResizing = false;
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Determines whether the active section has seen in its whole or not.
| |
− | */
| |
− | function isCompletelyInViewPort(movement){
| |
− | var top = $(SECTION_ACTIVE_SEL).position().top;
| |
− | var bottom = top + $window.height();
| |
− |
| |
− | if(movement == 'up'){
| |
− | return bottom >= ($window.scrollTop() + $window.height());
| |
− | }
| |
− | return top <= $window.scrollTop();
| |
− | }
| |
− |
| |
− | /**
| |
− | * Gets the directon of the the scrolling fired by the scroll event.
| |
− | */
| |
− | function getScrollDirection(currentScroll){
| |
− | var direction = currentScroll > lastScroll ? 'down' : 'up';
| |
− |
| |
− | lastScroll = currentScroll;
| |
− |
| |
− | //needed for auto-height sections to determine if we want to scroll to the top or bottom of the destination
| |
− | previousDestTop = currentScroll;
| |
− |
| |
− | return direction;
| |
− | }
| |
− |
| |
− | /**
| |
− | * Determines the way of scrolling up or down:
| |
− | * by 'automatically' scrolling a section or by using the default and normal scrolling.
| |
− | */
| |
− | function scrolling(type){
| |
− | if (!isScrollAllowed.m[type]){
| |
− | return;
| |
− | }
| |
− |
| |
− | var scrollSection = (type === 'down') ? moveSectionDown : moveSectionUp;
| |
− |
| |
− | if(options.scrollOverflow){
| |
− | var scrollable = options.scrollOverflowHandler.scrollable($(SECTION_ACTIVE_SEL));
| |
− | var check = (type === 'down') ? 'bottom' : 'top';
| |
− |
| |
− | if(scrollable.length > 0 ){
| |
− | //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(event){
| |
− | var e = event.originalEvent;
| |
− | if(options.autoScrolling && isReallyTouch(e)){
| |
− | //preventing the easing on iOS devices
| |
− | event.preventDefault();
| |
− | }
| |
− | }
| |
− |
| |
− | 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(event){
| |
− | var e = event.originalEvent;
| |
− | var activeSection = $(e.target).closest(SECTION_SEL);
| |
− |
| |
− | // additional: if one of the normalScrollElements isn't within options.normalScrollElementTouchThreshold hops up the DOM chain
| |
− | if (isReallyTouch(e) ) {
| |
− |
| |
− | if(options.autoScrolling){
| |
− | //preventing the easing on iOS devices
| |
− | event.preventDefault();
| |
− | }
| |
− |
| |
− | var touchEvents = getEventsPage(e);
| |
− |
| |
− | touchEndY = touchEvents.y;
| |
− | touchEndX = touchEvents.x;
| |
− |
| |
− | //if movement in the X axys is greater than in the Y and the currect section has slides...
| |
− | if (activeSection.find(SLIDES_WRAPPER_SEL).length && Math.abs(touchStartX - touchEndX) > (Math.abs(touchStartY - touchEndY))) {
| |
− |
| |
− | //is the movement greater than the minimum resistance to scroll?
| |
− | if (!slideMoving && Math.abs(touchStartX - touchEndX) > ($window.outerWidth() / 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.height() / 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(event){
| |
− | var e = event.originalEvent;
| |
− |
| |
− | //stopping the auto scroll to adjust to a section
| |
− | if(options.fitToSection){
| |
− | $htmlBody.stop();
| |
− | }
| |
− |
| |
− | 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 = $(COMPLETELY_SEL).hasClass(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){
| |
− | e.preventDefault ? e.preventDefault() : e.returnValue = false;
| |
− | }
| |
− |
| |
− | //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
| |
− | $htmlBody.stop();
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Slides a slider to the given direction.
| |
− | * Optional `section` param.
| |
− | */
| |
− | function moveSlide(direction, section){
| |
− | var activeSection = typeof section === 'undefined' ? $(SECTION_ACTIVE_SEL) : section;
| |
− | var slides = activeSection.find(SLIDES_WRAPPER_SEL);
| |
− | var numSlides = slides.find(SLIDE_SEL).length;
| |
− |
| |
− | // more than one slide needed and nothing should be sliding
| |
− | if (!slides.length || slideMoving || numSlides < 2) {
| |
− | return;
| |
− | }
| |
− |
| |
− | var currentSlide = slides.find(SLIDE_ACTIVE_SEL);
| |
− | var destiny = null;
| |
− |
| |
− | if(direction === 'left'){
| |
− | destiny = currentSlide.prev(SLIDE_SEL);
| |
− | }else{
| |
− | destiny = currentSlide.next(SLIDE_SEL);
| |
− | }
| |
− |
| |
− | //isn't there a next slide in the secuence?
| |
− | if(!destiny.length){
| |
− | //respect loopHorizontal settin
| |
− | if (!options.loopHorizontal) return;
| |
− |
| |
− | if(direction === 'left'){
| |
− | destiny = currentSlide.siblings(':last');
| |
− | }else{
| |
− | destiny = currentSlide.siblings(':first');
| |
− | }
| |
− | }
| |
− |
| |
− | slideMoving = true;
| |
− |
| |
− | 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(){
| |
− | $(SLIDE_ACTIVE_SEL).each(function(){
| |
− | silentLandscapeScroll($(this), 'internal');
| |
− | });
| |
− | }
| |
− |
| |
− | var previousDestTop = 0;
| |
− | /**
| |
− | * Returns the destination Y position based on the scrolling direction and
| |
− | * the height of the section.
| |
− | */
| |
− | function getDestinationPosition(element){
| |
− | var elemPosition = element.position();
| |
− |
| |
− | //top of the desination will be at the top of the viewport
| |
− | var position = elemPosition.top;
| |
− | var isScrollingDown = elemPosition.top > previousDestTop;
| |
− | var sectionBottom = position - windowsHeight + element.outerHeight();
| |
− | var bigSectionsDestination = options.bigSectionsDestination;
| |
− |
| |
− | //is the destination element bigger than the viewport?
| |
− | if(element.outerHeight() > 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 && element.is(':last-child')) ){
| |
− | //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(typeof element === 'undefined'){ 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.data('anchor'),
| |
− | sectionIndex: element.index(SECTION_SEL),
| |
− | activeSlide: element.find(SLIDE_ACTIVE_SEL),
| |
− | activeSection: $(SECTION_ACTIVE_SEL),
| |
− | leavingSection: $(SECTION_ACTIVE_SEL).index(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.is(element) && !isResizing) || (options.scrollBar && $window.scrollTop() === v.dtop && !element.hasClass(AUTO_HEIGHT) )){ return; }
| |
− |
| |
− | if(v.activeSlide.length){
| |
− | slideAnchorLink = v.activeSlide.data('anchor');
| |
− | slideIndex = v.activeSlide.index();
| |
− | }
| |
− |
| |
− | //callback (onLeave) if the site is not just resizing and readjusting the slides
| |
− | if($.isFunction(options.onLeave) && !v.localIsResizing){
| |
− | if(options.onLeave.call(v.activeSection, v.leavingSection, (v.sectionIndex + 1), v.yMovement) === 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();
| |
− | }
| |
− |
| |
− | element.addClass(ACTIVE).siblings().removeClass(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;
| |
− |
| |
− | 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);
| |
− | }
| |
− |
| |
− | /**
| |
− | * 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 jQuery animate
| |
− | else{
| |
− | var scrollSettings = getScrollSettings(v);
| |
− |
| |
− | $(scrollSettings.element).animate(
| |
− | scrollSettings.options,
| |
− | options.scrollingSpeed, options.easing).promise().done(function () { //only one single callback in case of animating `html, body`
| |
− | 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(v){
| |
− | var scroll = {};
| |
− |
| |
− | if(options.autoScrolling && !options.scrollBar){
| |
− | scroll.options = { 'top': -v.dtop};
| |
− | scroll.element = WRAPPER_SEL;
| |
− | }else{
| |
− | scroll.options = { 'scrollTop': v.dtop};
| |
− | scroll.element = 'html, body';
| |
− | }
| |
− |
| |
− | 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
| |
− | $(SECTION_ACTIVE_SEL).after(v.activeSection.prevAll(SECTION_SEL).get().reverse());
| |
− | }
| |
− | else { // Scrolling up
| |
− | // Move all next sections to before the active section
| |
− | $(SECTION_ACTIVE_SEL).before(v.activeSection.nextAll(SECTION_SEL));
| |
− | }
| |
− |
| |
− | // Maintain the displayed position (now that we changed the element order)
| |
− | silentScroll($(SECTION_ACTIVE_SEL).position().top);
| |
− |
| |
− | // 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.position().top;
| |
− | v.yMovement = getYmovement(v.element);
| |
− |
| |
− | //sections will temporally have another position in the DOM
| |
− | //updating this values in case we need them
| |
− | v.leavingSection = v.activeSection.index(SECTION_SEL) + 1;
| |
− | v.sectionIndex = v.element.index(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 || !v.wrapAroundElements.length) {
| |
− | return;
| |
− | }
| |
− |
| |
− | if (v.isMovementUp) {
| |
− | $(SECTION_FIRST_SEL).before(v.wrapAroundElements);
| |
− | }
| |
− | else {
| |
− | $(SECTION_LAST_SEL).after(v.wrapAroundElements);
| |
− | }
| |
− |
| |
− | silentScroll($(SECTION_ACTIVE_SEL).position().top);
| |
− |
| |
− | // 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
| |
− | $.isFunction(options.afterLoad) && !v.localIsResizing && options.afterLoad.call(v.element, v.anchorLink, (v.sectionIndex + 1));
| |
− |
| |
− | if(options.scrollOverflow){
| |
− | options.scrollOverflowHandler.afterLoad();
| |
− | }
| |
− |
| |
− | if(!v.localIsResizing){
| |
− | playMedia(v.element);
| |
− | }
| |
− |
| |
− | v.element.addClass(COMPLETELY).siblings().removeClass(COMPLETELY);
| |
− |
| |
− | canScroll = true;
| |
− |
| |
− | $.isFunction(v.callback) && v.callback.call(this);
| |
− | }
| |
− |
| |
− | /**
| |
− | * 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
| |
− | .attr(attribute, element.data(attribute))
| |
− | .removeAttr('data-' + attribute);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Lazy loads image, video and audio elements.
| |
− | */
| |
− | function lazyLoad(destiny){
| |
− | if (!options.lazyLoading){
| |
− | return;
| |
− | }
| |
− |
| |
− | var panel = getSlideOrSection(destiny);
| |
− | var element;
| |
− |
| |
− | panel.find('img[data-src], img[data-srcset], source[data-src], video[data-src], audio[data-src], iframe[data-src]').each(function(){
| |
− | element = $(this);
| |
− |
| |
− | $.each(['src', 'srcset'], function(index, type){
| |
− | var attribute = element.attr('data-' + type);
| |
− | if(typeof attribute !== 'undefined' && attribute){
| |
− | setSrc(element, type);
| |
− | }
| |
− | });
| |
− |
| |
− | if(element.is('source')){
| |
− | var typeToPlay = element.closest('video').length ? 'video' : 'audio';
| |
− | element.closest(typeToPlay).get(0).load();
| |
− | }
| |
− | });
| |
− | }
| |
− |
| |
− | /**
| |
− | * Plays video and audio elements.
| |
− | */
| |
− | function playMedia(destiny){
| |
− | var panel = getSlideOrSection(destiny);
| |
− |
| |
− | //playing HTML5 media elements
| |
− | panel.find('video, audio').each(function(){
| |
− | var element = $(this).get(0);
| |
− |
| |
− | if( element.hasAttribute('data-autoplay') && typeof element.play === 'function' ) {
| |
− | element.play();
| |
− | }
| |
− | });
| |
− |
| |
− | //youtube videos
| |
− | panel.find('iframe[src*="youtube.com/embed/"]').each(function(){
| |
− | var element = $(this).get(0);
| |
− |
| |
− | 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
| |
− | panel.find('video, audio').each(function(){
| |
− | var element = $(this).get(0);
| |
− |
| |
− | if( !element.hasAttribute('data-keepplaying') && typeof element.pause === 'function' ) {
| |
− | element.pause();
| |
− | }
| |
− | });
| |
− |
| |
− | //youtube videos
| |
− | panel.find('iframe[src*="youtube.com/embed/"]').each(function(){
| |
− | var element = $(this).get(0);
| |
− |
| |
− | if( /youtube\.com\/embed\//.test($(this).attr('src')) && !element.hasAttribute('data-keepplaying')){
| |
− | $(this).get(0).contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}','*');
| |
− | }
| |
− | });
| |
− | }
| |
− |
| |
− | /**
| |
− | * Gets the active slide (or section) for the given section
| |
− | */
| |
− | function getSlideOrSection(destiny){
| |
− | var slide = destiny.find(SLIDE_ACTIVE_SEL);
| |
− | if( slide.length ) {
| |
− | destiny = $(slide);
| |
− | }
| |
− |
| |
− | 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.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(){
| |
− | //getting the anchor link in the URL and deleting the `#`
| |
− | var hash = window.location.hash;
| |
− | var anchorsParts = hash.replace('#', '').split('/');
| |
− |
| |
− | //using / for visual reasons and not as a section/slide separator #2803
| |
− | var isFunkyAnchor = hash.indexOf('#/') > -1;
| |
− |
| |
− | return {
| |
− | section: isFunkyAnchor ? '/' + anchorsParts[1] : decodeURIComponent(anchorsParts[0]),
| |
− | slide: isFunkyAnchor ? decodeURIComponent(anchorsParts[2]) : decodeURIComponent(anchorsParts[1])
| |
− | }
| |
− | }
| |
− |
| |
− | //Sliding with arrow keys, both, vertical and horizontal
| |
− | function keydownHandler(e) {
| |
− |
| |
− | clearTimeout(keydownId);
| |
− |
| |
− | var activeElement = $(':focus');
| |
− |
| |
− | if(!activeElement.is('textarea') && !activeElement.is('input') && !activeElement.is('select') &&
| |
− | activeElement.attr('contentEditable') !== "true" && activeElement.attr('contentEditable') !== '' &&
| |
− | options.keyboardScrolling && options.autoScrolling){
| |
− | var keyCode = e.which;
| |
− |
| |
− | //preventing the scroll with arrow keys & spacebar & Page Up & Down keys
| |
− | var keyControls = [40, 38, 32, 33, 34];
| |
− | if($.inArray(keyCode, keyControls) > -1){
| |
− | e.preventDefault();
| |
− | }
| |
− |
| |
− | controlPressed = e.ctrlKey;
| |
− |
| |
− | keydownId = setTimeout(function(){
| |
− | onkeydown(e);
| |
− | },150);
| |
− | }
| |
− | }
| |
− |
| |
− | function tooltipTextHandler(){
| |
− | $(this).prev().trigger('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.on('mousemove', mouseMoveHandler);
| |
− | }
| |
− | }
| |
− |
| |
− | //unbinding the mousemove when the mouse's middle button is released
| |
− | function mouseUpHandler(e){
| |
− | //middle button
| |
− | if (e.which == 2){
| |
− | container.off('mousemove');
| |
− | }
| |
− | }
| |
− |
| |
− | //Scrolling horizontally when clicking on the slider controls.
| |
− | function slideArrowHandler(){
| |
− | var section = $(this).closest(SECTION_SEL);
| |
− |
| |
− | if ($(this).hasClass(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){
| |
− | e.preventDefault();
| |
− | var index = $(this).parent().index();
| |
− | scrollPage($(SECTION_SEL).eq(index));
| |
− | }
| |
− |
| |
− | //Scrolls the slider to the given slide destination for the given section
| |
− | function slideBulletHandler(e){
| |
− | e.preventDefault();
| |
− | var slides = $(this).closest(SECTION_SEL).find(SLIDES_WRAPPER_SEL);
| |
− | var destiny = slides.find(SLIDE_SEL).eq($(this).closest('li').index());
| |
− |
| |
− | 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.which) < 0){
| |
− | return;
| |
− | }
| |
− |
| |
− | switch (e.which) {
| |
− | //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 = slides.closest(SECTION_SEL);
| |
− | var v = {
| |
− | slides: slides,
| |
− | destiny: destiny,
| |
− | direction: direction,
| |
− | destinyPos: destiny.position(),
| |
− | slideIndex: destiny.index(),
| |
− | section: section,
| |
− | sectionIndex: section.index(SECTION_SEL),
| |
− | anchorLink: section.data('anchor'),
| |
− | slidesNav: section.find(SLIDES_NAV_SEL),
| |
− | slideAnchor: getAnchor(destiny),
| |
− | prevSlide: section.find(SLIDE_ACTIVE_SEL),
| |
− | prevSlideIndex: section.find(SLIDE_ACTIVE_SEL).index(),
| |
− |
| |
− | //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(options.onSlideLeave.call( v.prevSlide, v.anchorLink, (v.sectionIndex + 1), v.prevSlideIndex, v.direction, v.slideIndex ) === false){
| |
− | slideMoving = false;
| |
− | return;
| |
− | }
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | destiny.addClass(ACTIVE).siblings().removeClass(ACTIVE);
| |
− |
| |
− | if(!v.localIsResizing){
| |
− | stopMedia(v.prevSlide);
| |
− | lazyLoad(destiny);
| |
− | }
| |
− |
| |
− | if(!options.loopHorizontal && options.controlArrows){
| |
− | //hidding it for the fist slide, showing for the rest
| |
− | section.find(SLIDES_ARROW_PREV_SEL).toggle(v.slideIndex!==0);
| |
− |
| |
− | //hidding it for the last slide, showing for the rest
| |
− | section.find(SLIDES_ARROW_NEXT_SEL).toggle(!destiny.is(':last-child'));
| |
− | }
| |
− |
| |
− | //only changing the URL if the slides are in the current section (not for resize re-adjusting)
| |
− | if(section.hasClass(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){
| |
− | $.isFunction( options.afterSlideLoad ) && options.afterSlideLoad.call( v.destiny, v.anchorLink, (v.sectionIndex + 1), v.slideAnchor, v.slideIndex);
| |
− |
| |
− | //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)';
| |
− |
| |
− | addAnimation(slides.find(SLIDES_CONTAINER_SEL)).css(getTransforms(translate3d));
| |
− |
| |
− | afterSlideLoadsId = setTimeout(function(){
| |
− | fireCallback && afterSlideLoads(v);
| |
− | }, options.scrollingSpeed, options.easing);
| |
− | }else{
| |
− | slides.animate({
| |
− | scrollLeft : Math.round(destinyPos.left)
| |
− | }, options.scrollingSpeed, options.easing, function() {
| |
− |
| |
− | fireCallback && afterSlideLoads(v);
| |
− | });
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Sets the state for the horizontal bullet navigations.
| |
− | */
| |
− | function activeSlidesNavigation(slidesNav, slideIndex){
| |
− | slidesNav.find(ACTIVE_SEL).removeClass(ACTIVE);
| |
− | slidesNav.find('li').eq(slideIndex).find('a').addClass(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 (!activeElement.is('textarea') && !activeElement.is('input') && !activeElement.is('select')) {
| |
− | var currentHeight = $window.height();
| |
− |
| |
− | //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.outerWidth() < widthLimit;
| |
− | var isBreakingPointHeight = heightLimit && $window.height() < 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;
| |
− |
| |
− | element.removeClass(NO_TRANSITION);
| |
− | return element.css({
| |
− | '-webkit-transition': transition,
| |
− | 'transition': transition
| |
− | });
| |
− | }
| |
− |
| |
− | /**
| |
− | * Remove transition animations for the given element
| |
− | */
| |
− | function removeAnimation(element){
| |
− | return element.addClass(NO_TRANSITION);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Activating the vertical navigation bullets according to the given slide name.
| |
− | */
| |
− | function activateNavDots(name, sectionIndex){
| |
− | if(options.navigation){
| |
− | $(SECTION_NAV_SEL).find(ACTIVE_SEL).removeClass(ACTIVE);
| |
− | if(name){
| |
− | $(SECTION_NAV_SEL).find('a[href="#' + name + '"]').addClass(ACTIVE);
| |
− | }else{
| |
− | $(SECTION_NAV_SEL).find('li').eq(sectionIndex).find('a').addClass(ACTIVE);
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Activating the website main menu elements according to the given slide name.
| |
− | */
| |
− | function activateMenuElement(name){
| |
− | if(options.menu){
| |
− | $(options.menu).find(ACTIVE_SEL).removeClass(ACTIVE);
| |
− | $(options.menu).find('[data-menuanchor="'+name+'"]').addClass(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 = $(SECTION_ACTIVE_SEL).index(SECTION_SEL);
| |
− | var toIndex = destiny.index(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(!element.hasClass(TABLE)){
| |
− | element.addClass(TABLE).wrapInner('<div class="' + TABLE_CELL + '" style="height:' + getTableHeight(element) + 'px;" />');
| |
− | }
| |
− | }
| |
− |
| |
− | function getTableHeight(element){
| |
− | var sectionHeight = windowsHeight;
| |
− |
| |
− | if(options.paddingTop || options.paddingBottom){
| |
− | var section = element;
| |
− | if(!section.hasClass(SECTION)){
| |
− | section = element.closest(SECTION_SEL);
| |
− | }
| |
− |
| |
− | var paddings = parseInt(section.css('padding-top')) + parseInt(section.css('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);
| |
− | }
| |
− |
| |
− | container.css(getTransforms(translate3d));
| |
− |
| |
− | //syncronously removing the class after the animation has been applied.
| |
− | setTimeout(function(){
| |
− | container.removeClass(NO_TRANSITION);
| |
− | },10);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Gets a section by its anchor / index
| |
− | */
| |
− | function getSectionByAnchor(sectionAnchor){
| |
− | if(!sectionAnchor) return [];
| |
− |
| |
− | var section = container.find(SECTION_SEL + '[data-anchor="'+sectionAnchor+'"]');
| |
− | if(!section.length){
| |
− | section = $(SECTION_SEL).eq( sectionAnchor -1);
| |
− | }
| |
− |
| |
− | return section;
| |
− | }
| |
− |
| |
− | /**
| |
− | * Gets a slide inside a given section by its anchor / index
| |
− | */
| |
− | function getSlideByAnchor(slideAnchor, section){
| |
− | var slides = section.find(SLIDES_WRAPPER_SEL);
| |
− | var slide = slides.find(SLIDE_SEL + '[data-anchor="'+slideAnchor+'"]');
| |
− |
| |
− | if(!slide.length){
| |
− | slide = slides.find(SLIDE_SEL).eq(slideAnchor);
| |
− | }
| |
− |
| |
− | return slide;
| |
− | }
| |
− |
| |
− | /**
| |
− | * Scrolls to the given section and slide anchors
| |
− | */
| |
− | function scrollPageAndSlide(destiny, slide){
| |
− | var section = getSectionByAnchor(destiny);
| |
− |
| |
− | //do nothing if there's no section with the given anchor name
| |
− | if(!section.length) return;
| |
− |
| |
− | //default slide
| |
− | if (typeof slide === 'undefined') {
| |
− | slide = 0;
| |
− | }
| |
− |
| |
− | //we need to scroll to the section and then to the slide
| |
− | if (destiny !== lastScrolledDestiny && !section.hasClass(ACTIVE)){
| |
− | scrollPage(section, function(){
| |
− | scrollSlider(section, slide);
| |
− | });
| |
− | }
| |
− | //if we were already in the section
| |
− | else{
| |
− | scrollSlider(section, slide);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Scrolls the slider to the given slide destination for the given section
| |
− | */
| |
− | function scrollSlider(section, slideAnchor){
| |
− | if(typeof slideAnchor !== 'undefined'){
| |
− | var slides = section.find(SLIDES_WRAPPER_SEL);
| |
− | var destiny = getSlideByAnchor(slideAnchor, section);
| |
− |
| |
− | if(destiny.length){
| |
− | landscapeScroll(slides, destiny);
| |
− | }
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Creates a landscape navigation bar with dots for horizontal sliders.
| |
− | */
| |
− | function addSlidesNavigation(section, numSlides){
| |
− | section.append('<div class="' + SLIDES_NAV + '"><ul></ul></div>');
| |
− | var nav = section.find(SLIDES_NAV_SEL);
| |
− |
| |
− | //top or bottom
| |
− | nav.addClass(options.slidesNavPosition);
| |
− |
| |
− | for(var i=0; i< numSlides; i++){
| |
− | nav.find('ul').append('<li><a href="#"><span></span></a></li>');
| |
− | }
| |
− |
| |
− | //centering it
| |
− | nav.css('margin-left', '-' + (nav.width()/2) + 'px');
| |
− |
| |
− | nav.find('li').first().find('a').addClass(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(typeof anchorLink !== 'undefined'){
| |
− | sectionHash = anchorLink;
| |
− | }
| |
− |
| |
− | //slide without anchor link? We take the index instead.
| |
− | if(typeof slideAnchor === 'undefined'){
| |
− | slideAnchor = slideIndex;
| |
− | }
| |
− |
| |
− | lastScrolledSlide = slideAnchor;
| |
− | setUrlHash(sectionHash + '/' + slideAnchor);
| |
− |
| |
− | //first slide won't have slide anchor, just the section one
| |
− | }else if(typeof slideIndex !== 'undefined'){
| |
− | 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){
| |
− | var anchor = element.data('anchor');
| |
− | var index = element.index();
| |
− |
| |
− | //Slide without anchor link? We take the index instead.
| |
− | if(typeof anchor === 'undefined'){
| |
− | anchor = index;
| |
− | }
| |
− |
| |
− | return anchor;
| |
− | }
| |
− |
| |
− | /**
| |
− | * Sets a class for the body of the page depending on the active section / slide
| |
− | */
| |
− | function setBodyClass(){
| |
− | var section = $(SECTION_ACTIVE_SEL);
| |
− | var slide = section.find(SLIDE_ACTIVE_SEL);
| |
− |
| |
− | var sectionAnchor = getAnchor(section);
| |
− | var slideAnchor = getAnchor(slide);
| |
− |
| |
− | var text = String(sectionAnchor);
| |
− |
| |
− | if(slide.length){
| |
− | 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[0].className = $body[0].className.replace(classRe, '');
| |
− |
| |
− | //adding the current anchor
| |
− | $body.addClass(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'
| |
− | };
| |
− |
| |
− | // 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
| |
− | .on('mousedown', mouseDownHandler)
| |
− | .on('mouseup', mouseUpHandler);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Unbinding the mousemove when the mouse's middle button is released
| |
− | */
| |
− | function removeMiddleWheelHandler(){
| |
− | container
| |
− | .off('mousedown', mouseDownHandler)
| |
− | .off('mouseup', mouseUpHandler);
| |
− | }
| |
− |
| |
− | /**
| |
− | * Adds the possibility to auto scroll through sections on touch devices.
| |
− | */
| |
− | function addTouchHandler(){
| |
− | if(isTouchDevice || isTouch){
| |
− | if(options.autoScrolling){
| |
− | $body.off(events.touchmove).on(events.touchmove, preventBouncing);
| |
− | }
| |
− |
| |
− | $(WRAPPER_SEL)
| |
− | .off(events.touchstart).on(events.touchstart, touchStartHandler)
| |
− | .off(events.touchmove).on(events.touchmove, touchMoveHandler);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Removes the auto scrolling for touch devices.
| |
− | */
| |
− | function removeTouchHandler(){
| |
− | if(isTouchDevice || isTouch){
| |
− | if(options.autoScrolling){
| |
− | $body.off(events.touchmove);
| |
− | }
| |
− |
| |
− | $(WRAPPER_SEL)
| |
− | .off(events.touchstart)
| |
− | .off(events.touchmove);
| |
− | }
| |
− | }
| |
− |
| |
− | /*
| |
− | * 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){
| |
− | 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(activeSlide.closest(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){
| |
− | container.css('top', -roundedTop);
| |
− | }
| |
− | else{
| |
− | $htmlBody.scrollTop(roundedTop);
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * 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{
| |
− | $.each(Object.keys(isScrollAllowed[type]), function(index, 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);
| |
− | container.addClass(DESTROYED);
| |
− |
| |
− | clearTimeout(afterSlideLoadsId);
| |
− | clearTimeout(afterSectionLoadsId);
| |
− | clearTimeout(resizeId);
| |
− | clearTimeout(scrollId);
| |
− | clearTimeout(scrollId2);
| |
− |
| |
− | $window
| |
− | .off('scroll', scrollHandler)
| |
− | .off('hashchange', hashChangeHandler)
| |
− | .off('resize', resizeHandler);
| |
− |
| |
− | $document
| |
− | .off('click touchstart', SECTION_NAV_SEL + ' a')
| |
− | .off('mouseenter', SECTION_NAV_SEL + ' li')
| |
− | .off('mouseleave', SECTION_NAV_SEL + ' li')
| |
− | .off('click touchstart', SLIDES_NAV_LINK_SEL)
| |
− | .off('mouseover', options.normalScrollElements)
| |
− | .off('mouseout', options.normalScrollElements);
| |
− |
| |
− | $(SECTION_SEL)
| |
− | .off('click touchstart', SLIDES_ARROW_SEL);
| |
− |
| |
− | clearTimeout(afterSlideLoadsId);
| |
− | clearTimeout(afterSectionLoadsId);
| |
− |
| |
− | //lets make a mess!
| |
− | if(all){
| |
− | destroyStructure();
| |
− | }
| |
− | }
| |
− |
| |
− | /*
| |
− | * Removes inline styles added by fullpage.js
| |
− | */
| |
− | function destroyStructure(){
| |
− | //reseting the `top` or `translate` properties to 0
| |
− | silentScroll(0);
| |
− |
| |
− | //loading all the lazy load content
| |
− | container.find('img[data-src], source[data-src], audio[data-src], iframe[data-src]').each(function(){
| |
− | setSrc($(this), 'src');
| |
− | });
| |
− |
| |
− | container.find('img[data-srcset]').each(function(){
| |
− | setSrc($(this), 'srcset');
| |
− | });
| |
− |
| |
− | $(SECTION_NAV_SEL + ', ' + SLIDES_NAV_SEL + ', ' + SLIDES_ARROW_SEL).remove();
| |
− |
| |
− | //removing inline styles
| |
− | $(SECTION_SEL).css( {
| |
− | 'height': '',
| |
− | 'background-color' : '',
| |
− | 'padding': ''
| |
− | });
| |
− |
| |
− | $(SLIDE_SEL).css( {
| |
− | 'width': ''
| |
− | });
| |
− |
| |
− | container.css({
| |
− | 'height': '',
| |
− | 'position': '',
| |
− | '-ms-touch-action': '',
| |
− | 'touch-action': ''
| |
− | });
| |
− |
| |
− | $htmlBody.css({
| |
− | 'overflow': '',
| |
− | 'height': ''
| |
− | });
| |
− |
| |
− | // remove .fp-enabled class
| |
− | $('html').removeClass(ENABLED);
| |
− |
| |
− | // remove .fp-responsive class
| |
− | $body.removeClass(RESPONSIVE);
| |
− |
| |
− | // remove all of the .fp-viewing- classes
| |
− | $.each($body.get(0).className.split(/\s+/), function (index, className) {
| |
− | if (className.indexOf(VIEWING_PREFIX) === 0) {
| |
− | $body.removeClass(className);
| |
− | }
| |
− | });
| |
− |
| |
− | //removing added classes
| |
− | $(SECTION_SEL + ', ' + SLIDE_SEL).each(function(){
| |
− | if(options.scrollOverflowHandler){
| |
− | options.scrollOverflowHandler.remove($(this));
| |
− | }
| |
− | $(this).removeClass(TABLE + ' ' + ACTIVE);
| |
− | });
| |
− |
| |
− | removeAnimation(container);
| |
− |
| |
− | //Unwrapping content
| |
− | container.find(TABLE_CELL_SEL + ', ' + SLIDES_CONTAINER_SEL + ', ' + SLIDES_WRAPPER_SEL).each(function(){
| |
− | //unwrap not being use in case there's no child element inside and its just text
| |
− | $(this).replaceWith(this.childNodes);
| |
− | });
| |
− |
| |
− | //removing the applied transition from the fullpage wrapper
| |
− | container.css({
| |
− | '-webkit-transition': 'none',
| |
− | 'transition': 'none'
| |
− | });
| |
− |
| |
− | //scrolling the page to the top with no animation
| |
− | $htmlBody.scrollTop(0);
| |
− |
| |
− | //removing selectors
| |
− | var usedSelectors = [SECTION, SLIDE, SLIDES_CONTAINER];
| |
− | $.each(usedSelectors, function(index, value){
| |
− | $('.' + value).removeClass(value);
| |
− | });
| |
− | }
| |
− |
| |
− | /*
| |
− | * Sets the state for a variable with multiple states (original, and temporal)
| |
− | * Some variables such as `autoScrolling` or `recordHistory` might change automatically its state when using `responsive` or `autoScrolling:false`.
| |
− | * This function is used to keep track of both states, the original and the temporal one.
| |
− | * If type is not 'internal', then we assume the user is globally changing the variable.
| |
− | */
| |
− | function setVariableState(variable, value, type){
| |
− | options[variable] = value;
| |
− | if(type !== 'internal'){
| |
− | originals[variable] = value;
| |
− | }
| |
− | }
| |
− |
| |
− | /**
| |
− | * Displays warnings
| |
− | */
| |
− | function displayWarnings(){
| |
− | var extensions = ['fadingEffect', 'continuousHorizontal', 'scrollHorizontally', 'interlockedSlides', 'resetSliders', 'responsiveSlides', 'offsetSections', 'dragAndMove', 'scrollOverflowReset', 'parallax'];
| |
− | if($('html').hasClass(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){
| |
− | 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!
| |
− | $.each(extensions, function(index, extension){
| |
− | //is the option set to true?
| |
− | if(options[extension]){
| |
− | showError('warn', 'fullpage.js extensions require jquery.fullpage.extensions.min.js file instead of the usual jquery.fullpage.js. Requested: '+ extension);
| |
− | }
| |
− | });
| |
− | //anchors can not have the same value as any element ID or NAME
| |
− | $.each(options.anchors, function(index, name){
| |
− |
| |
− | //case insensitive selectors (http://stackoverflow.com/a/19465187/1081396)
| |
− | var nameAttr = $document.find('[name]').filter(function() {
| |
− | return $(this).attr('name') && $(this).attr('name').toLowerCase() == name.toLowerCase();
| |
− | });
| |
− |
| |
− | var idAttr = $document.find('[id]').filter(function() {
| |
− | return $(this).attr('id') && $(this).attr('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).');
| |
− | idAttr.length && showError('error', '"' + name + '" is is being used by another element `id` property');
| |
− | nameAttr.length && showError('error', '"' + name + '" is is being used by another element `name` property');
| |
− | }
| |
− | });
| |
− | }
| |
− |
| |
− | /**
| |
− | * Shows a message in the console of the given type.
| |
− | */
| |
− | function showError(type, text){
| |
− | console && console[type] && console[type]('fullPage: ' + text);
| |
− | }
| |
− |
| |
− | }; //end of $.fn.fullpage
| |
| }); | | }); |
| </script> | | </script> |
| </body> | | </body> |
| </html> | | </html> |
| + | {{IISc-Bangalore-FullPage}} |