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Copy pathjavascript.fullPage.js
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2180 lines (1763 loc) · 68.5 KB
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/**
* fullPage Pure Javascript v.0.0.8 (Alpha) - Not support given until Beta version.
* https://github.com/alvarotrigo/fullPage.js
* MIT licensed
*
* Copyright (C) 2013 alvarotrigo.com - A project by Alvaro Trigo
*/
(function( root, window, document, factory, undefined ) {
if( typeof define === 'function' && define.amd ) {
// AMD. Register as an anonymous module.
define( function() {
root.fullpage = factory(window, document);
return root.fullpage;
} );
} else if( typeof exports === 'object' ) {
// Node. Does not work with strict CommonJS.
module.exports = factory(window, document);
} else {
// Browser globals.
root.fullpage = factory(window, document);
}
}(this, window, document, function(window, document, undefined){
'use strict';
var fullpage;
//CONSTANTS
// keeping central set of classnames and selectors
var WRAPPER = 'fullpage-wrapper';
var WRAPPER_SEL = '.' + WRAPPER;
// 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;
// section
var SECTION_DEFAULT_SEL = '.section';
var SECTION = 'fp-section';
var SECTION_SEL = '.' + SECTION;
var SECTION_ACTIVE_SEL = SECTION_SEL + ACTIVE_SEL;
// section nav
var SECTION_NAV = 'fp-nav';
var SECTION_NAV_SEL = '#' + SECTION_NAV;
var SECTION_NAV_TOOLTIP = 'fp-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;
//globals
var options;
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 windowsHeight = getWindowHeight();
var isResizing = false;
var lastScrolledDestiny;
var lastScrolledSlide;
var canScroll = true;
var scrollings = [];
var nav;
var activeAnimation;
var originals;
var container;
//easeInOutCubic animation included in the plugin
Math.easeInOutCubic = function (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;
};
function initialize(element, customOptions){
// Create some defaults, extending them with any options that were provided
var defaults = {
//navigation
menu: false,
anchors:[],
navigation: false,
navigationPosition: 'right',
navigationColor: '#000',
navigationTooltips: [],
showActiveTooltip: false,
slidesNavigation: false,
slidesNavPosition: 'bottom',
scrollBar: false,
//scrolling
css3: true,
scrollingSpeed: 700,
autoScrolling: true,
fitToSection: true,
fitToSectionDelay: 1000,
easingcss3: 'ease',
loopHorizontal: true,
touchSensitivity: 5,
//Accessibility
keyboardScrolling: true,
recordHistory: true,
//design
controlArrows: true,
//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
};
options = extend(defaults, customOptions);
originals = clone(options); //deep copy
container = $(element);
init(afterDomReady);
}
function init(callback){
removeClass(container, DESTROYED); //in case it was destroyed before initilizing it again
displayWarnings();
//if css3 is not supported, it will use jQuery animations
if(options.css3){
options.css3 = support3d();
}
if(container !== null){
css(container, {
'height': '100%',
'position': 'relative'
});
//adding a class to recognize the container internally in the code
addClass(container, WRAPPER);
addClass($('html'), ENABLED);
}
//trying to use fullpage without a selector?
else{
showError('error', 'Error! Fullpage.js needs to be initialized with a selector. For example: fullpage(\'#fullpage\');');
}
setMouseWheelScrolling(true);
addTouchHandler();
addResizeHandler();
addScrollHandler();
//adding internal class names to void problem with common ones
var originalSections = $$(options.sectionSelector);
for (i = 0; i < originalSections.length; ++i) {
addClass(originalSections[i], SECTION);
}
var originalSlides = $$(options.slideSelector);
for (i = 0; i < originalSlides.length; ++i) {
addClass(originalSlides[i], SLIDE);
}
//creating the navigation dots
if (options.navigation) {
addVerticalNavigation();
}
var sections = $$(SECTION_SEL);
for(var i = 0; i<sections.length; i++){
var index = i;
var section = sections[i];
var that = section;
var slides = $$(SLIDE_SEL, section);
var numSlides = slides.length;
//if no active section is defined, the 1st one will be the default one
if(!index && $(SECTION_ACTIVE_SEL) === null) {
addClass(section, ACTIVE);
}
if (typeof options.anchors[index] !== 'undefined') {
section.setAttribute('data-anchor', options.anchors[index]);
//activating the menu / nav element on load
if(hasClass(section, ACTIVE)){
activateMenuAndNav(options.anchors[index], index);
}
}
// if there's any slide
if (numSlides > 0) {
var sliderWidth = numSlides * 100;
var slideWidth = 100 / numSlides;
var slidesHTML = section.innerHTML;
var newHTML = '<div class="'+ SLIDES_WRAPPER +'"><div class="'+SLIDES_CONTAINER+'">' + slidesHTML + '</div></div>';
section.innerHTML = newHTML;
//getting again the NEW dom elements after innerHTML
slides = $$(SLIDE_SEL, section);
setCss($(SLIDES_CONTAINER_SEL, section), 'width', sliderWidth + '%');
if(options.controlArrows && numSlides > 1){
createSlideArrows(section);
}
if(options.slidesNavigation){
addSlidesNavigation(section, numSlides);
}
for(var a = 0; a<slides.length; a++){
var currentSlide = slides[a];
setCss(currentSlide, 'width', slideWidth + '%');
}
var startingSlide = $(SLIDE_ACTIVE_SEL, section);
//if the slide won#t be an starting point, the default will be the first one
if(typeof startingSlide !== null){
addClass(slides[0], ACTIVE);
}
//is there a starting point for a non-starting section?
else{
silentLandscapeScroll(startingSlide);
}
}
}
callback();
}
function afterDomReady(){
//adding event for horizontal slides arrows navigation
var slidesArrows = $$(SLIDES_ARROW_SEL);
for(var i=0; i<slidesArrows.length; i++){
addListenerMulti( slidesArrows[i], 'click onclick touchstart', arrowsHandler);
}
setAutoScrolling(options.autoScrolling, 'internal');
//the starting point is a slide?
var activeSection = $(SECTION_ACTIVE_SEL);
var activeSlide = $(SLIDE_ACTIVE_SEL, activeSection);
var activeSectionIndex = getNodeIndex($(SECTION_ACTIVE_SEL));
//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( activeSlide && (activeSectionIndex !==0 || (activeSectionIndex === 0 && getNodeIndex(activeSlide) !== 0))){
silentLandscapeScroll(activeSlide);
}
//vertical centered of the navigation + first bullet active
if(options.navigation){
setCss(nav, 'margin-top', '-' + (nav.offsetHeight/2) + 'px');
var activeLi = $$('li', nav)[getNodeIndex($(SECTION_ACTIVE_SEL))];
addClass( $('a', activeLi), ACTIVE);
}
afterRenderActions();
//getting the anchor link in the URL and deleting the `#`
var value = window.location.hash.replace('#', '').split('/');
var destiny = value[0];
if(destiny.length){
var section = $('[data-anchor="'+destiny+'"]');
if(!options.animateAnchor && section.length){
if(options.autoScrolling){
silentScroll(section.offsetTop);
}
else{
silentScroll(0);
setBodyClass(destiny);
//scrolling the page to the section with no animation
var scrollSettings = getScrollSettings(section.offsetTop);
scrollTo(scrollSettings.element, scrollSettings.options, 0);
}
activateMenuAndNav(destiny, null);
isFunction( options.afterLoad ) && options.afterLoad.call( section, destiny, (getNodeIndex(section) + 1));
//updating the active class
removeClass(activeSection, ACTIVE);
addClass(section, ACTIVE);
}
}
//setting the class for the body element
setBodyClass();
//support for IE > 8
addHandler(document, scrollToAnchor, 'DOMContentLoaded', 'DOMContentLoaded', 'DOMContentLoaded');
}
/* --------------- Javascript helpers ---------------*/
/**
* Replacement of jQuery extend method.
*/
function extend(defaultOptions, options){
//creating the object if it doesnt exist
if(typeof(options) !== 'object'){
options = {};
}
for(var key in options){
if(defaultOptions.hasOwnProperty(key)){
defaultOptions[key] = options[key];
}
}
return defaultOptions;
}
function getById(element){
return document.getElementById(element);
}
function getByTag(element){
return document.getElementsByTagName(element)[0];
}
function css( el, props ) {
var key;
for ( key in props ) {
if ( props.hasOwnProperty(key) ) {
if ( key !== null ) {
el.style[key] = props[key];
}
}
}
return el;
}
function setCss(element, style, value){
element.style[style] = value;
}
function $(selector, context){
context = context || document;
return context.querySelector(selector);
}
function $$(selector, context){
context = context || document;
return context.querySelectorAll(selector);
}
function getNodeIndex(node) {
var index = 0;
while ( (node = node.previousSibling) ) {
if (node.nodeType != 3 || !/^\s*$/.test(node.data)) {
index++;
}
}
return index;
}
function toggle(element, display) {
if(typeof display!== 'undefined'){
if(display){
element.style.display = 'block';
}else{
element.style.display = 'none';
}
}
else{
if( element.style.display == 'block' ) {
element.style.display = 'none';
} else {
element.style.display = 'block';
}
}
return element;
}
//http://jaketrent.com/post/addremove-classes-raw-javascript/
function hasClass(ele,cls) {
return !!ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}
function removeClass(element, className) {
if (element && hasClass(element,className)) {
var reg = new RegExp('(\\s|^)'+className+'(\\s|$)');
element.className=element.className.replace(reg,'');
}
}
function addClass(element, className) {
if (element && !hasClass(element,className)) {
element.className += ' '+className;
}
}
//http://stackoverflow.com/questions/22100853/dom-pure-javascript-solution-to-jquery-closest-implementation
function closest(el, fn) {
return el && (
fn(el) ? el : closest(el.parentNode, fn)
);
}
function getWindowWidth(){
return 'innerWidth' in window ? window.innerWidth : document.documentElement.offsetWidth;
}
function getWindowHeight(){
return 'innerHeight' in window ? window.innerHeight : document.documentElement.offsetHeight;
}
function clone(obj) {
if (null === obj || 'object' !== typeof obj){
return obj;
}
var copy = obj.constructor();
for (var attr in obj) {
if (obj.hasOwnProperty(attr)){
copy[attr] = obj[attr];
}
}
return copy;
}
function preventDefault(event){
event.preventDefault ? event.preventDefault() : event.returnValue = false;
}
function isFunction(functionToCheck) {
var getType = {};
return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
}
function addListenerMulti(el, s, fn) {
var evts = s.split(' ');
for (var i=0, iLen=evts.length; i<iLen; i++) {
if (document.addEventListener) {
el.addEventListener(evts[i], fn, false);
}else{
el.attachEvent(evts[i], fn, false); //IE 6/7/8
}
}
}
/**
* Simulates the animated scrollTop of jQuery. Used when css3:false or scrollBar:true or autoScrolling:false
* http://stackoverflow.com/a/16136789/1081396
*/
function scrollTo(element, to, duration, callback) {
var start = getScrolledPosition(element);
var change = to - start;
var currentTime = 0;
var increment = 20;
activeAnimation = true;
var animateScroll = function(){
if(activeAnimation){ //in order to stope it from other function whenever we want
var val = to;
currentTime += increment;
val = Math.easeInOutCubic(currentTime, start, change, duration);
setScrolling(element, val);
if(currentTime < duration) {
setTimeout(animateScroll, increment);
}else if(typeof callback !== 'undefined'){
callback();
}
}else if (currentTime < duration){
callback();
}
};
animateScroll();
}
//http://stackoverflow.com/questions/3464876/javascript-get-window-x-y-position-for-scroll
function getScrollTop(){
var doc = document.documentElement;
return (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
}
//http://stackoverflow.com/questions/842336/is-there-a-way-to-select-sibling-nodes
function getChildren(n, skipMe){
var r = [];
for ( ; n; n = n.nextSibling )
if ( n.nodeType == 1 && n != skipMe)
r.push( n );
return r;
};
//Gets siblings
function getAllSiblings(n) {
return getChildren(n.parentNode.firstChild, n);
}
function next(element){
var nextSibling = element.nextSibling;
while(nextSibling && nextSibling.nodeType != 1) {
nextSibling = nextSibling.nextSibling;
}
return nextSibling;
}
function prev(element){
var prevSibling = element.previousSibling;
while(prevSibling && prevSibling.nodeType != 1) {
prevSibling = prevSibling.previousSibling;
}
return prevSibling;
}
/* --------------- END Javascript helpers ---------------*/
/**
* Getting the position of the element to scroll when using jQuery animations
*/
function getScrolledPosition(element){
var position;
//is not the window element and is a slide?
if(element.self != window && hasClass(element, SLIDES_WRAPPER)){
position = element.scrollLeft;
}
else if(!options.autoScrolling || options.scrollBar){
position = getScrollTop();
}
else{
position = element.offsetTop;
}
//gets the top property of the wrapper
return position;
}
function setScrolling(element, val){
if(!options.autoScrolling || options.scrollBar || (element.self != window && hasClass(element, SLIDES_WRAPPER))){
//scrolling horizontally through the slides?
if(element.self != window && hasClass(element, SLIDES_WRAPPER)){
element.scrollLeft = val;
}
//vertical scroll
else{
element.scrollTo(0, val);
}
}else{
element.style.top = val + 'px';
}
}
function setAutoScrolling(value, type){
setVariableState('autoScrolling', value, type);
var element = $(SECTION_ACTIVE_SEL);
if(options.autoScrolling && !options.scrollBar){
css(document.body, {
'overflow': 'hidden',
'height': '100%'
});
css(getByTag('html'),{
'overflow': 'hidden',
'height': '100%'
});
setRecordHistory(options.recordHistory, 'internal');
//for IE touch devices
css(container, {
'-ms-touch-action': 'none',
'touch-action': 'none'
});
if(element){
//moving the container up
silentScroll(element.offsetTop);
}
}else{
css(document.body, {
'overflow': 'visible',
'height': '100%'
});
css(getByTag('html'),{
'overflow': 'visible',
'height': '100%'
});
setRecordHistory(false, 'internal');
//for IE touch devices
css(container, {
'-ms-touch-action': '',
'touch-action': ''
});
silentScroll(0);
//scrolling the page to the section with no animation
var scrollSettings = getScrollSettings(element.offsetTop);
scrollSettings.element.scrollTo(0, scrollSettings.options);
}
}
/**
* Defines wheter to record the history for each hash change in the URL.
*/
function setRecordHistory(value, type){
setVariableState('recordHistory', value, type);
}
/**
* Defines the scrolling speed
*/
function setScrollingSpeed(value, type){
setVariableState('scrollingSpeed', value, type);
}
/**
* Sets fitToSection
*/
function setFitToSection(value, type){
setVariableState('fitToSection', value, type);
}
/**
* Adds or removes the possiblity of scrolling through sections by using the mouse wheel or the trackpad.
*/
function setMouseWheelScrolling(value){
if(value){
addMouseWheelHandler();
}else{
removeMouseWheelHandler();
}
}
/**
* Adds or removes the possiblity of scrolling through sections by using the keyboard arrow keys
*/
function setKeyboardScrolling(value){
options.keyboardScrolling = value;
}
/**
* Moves the page up one section.
*/
function moveSectionUp(){
var section = prev($(SECTION_ACTIVE_SEL));
if (section) {
scrollPage(section, null, true);
}
}
/**
* Moves the page down one section.
*/
function moveSectionDown(){
var section = next($(SECTION_ACTIVE_SEL));
if(section){
scrollPage(section, 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){
scrollPage(destiny);
}
}
/**
* Slides right the slider of the active section.
*/
function moveSlideRight(){
moveSlide('next');
}
/**
* Slides left the slider of the active section.
*/
function moveSlideLeft(){
moveSlide('prev');
}
/**
* When resizing is finished, we adjust the slides sizes and positions
*/
function reBuild(resizing){
if(hasClass(container, DESTROYED)){ return; }
isResizing = true;
windowsHeight = getWindowHeight();
var sections = $$(SECTION_SEL);
for (var i = 0; i < sections.length; ++i) {
var section = sections[i];
var slidesWrap = $(SLIDES_WRAPPER_SEL, section);
var slides = $$(SLIDE_SEL, section);
//adjusting the position fo the FULL WIDTH slides...
if (slidesWrap && slides.length > 1) {
landscapeScroll(slidesWrap, $(SLIDE_ACTIVE_SEL, slidesWrap));
}
}
var activeSection = $(SECTION_ACTIVE_SEL);
//isn't it the first section?
if(getNodeIndex(activeSection)){
//adjusting the position for the current section
silentScroll(activeSection.offsetTop);
}
isResizing = false;
isFunction( options.afterResize ) && resizing && options.afterResize.call(container);
isFunction( options.afterReBuild ) && !resizing && options.afterReBuild.call(container);
}
/**
* Creates the control arrows for the given section
*/
function createSlideArrows(section){
var prev = document.createElement('div');
prev.className = SLIDES_ARROW_PREV;
var next = document.createElement('div');
next.className = SLIDES_ARROW_NEXT;
var slides = $(SLIDES_WRAPPER_SEL, section);
if(options.controlArrowColor != '#fff'){
//setCss(next, 'border-color', 'transparent transparent transparent '+options.controlArrowColor);
//setCss(prev, 'border-color', 'transparent '+ options.controlArrowColor + ' transparent transparent');
}
slides.parentNode.appendChild(prev);
slides.parentNode.appendChild(next);
if(!options.loopHorizontal){
$(SLIDES_ARROW_PREV_SEL, section).style.display = 'none';
}
}
/**
* Creates a vertical navigation bar.
*/
function addVerticalNavigation(){
var div = document.createElement('div');
div.setAttribute('id', SECTION_NAV);
var divUl = document.createElement('ul');
div.appendChild(divUl);
document.body.appendChild(div);
nav = $(SECTION_NAV_SEL);
setCss(nav, 'color', options.navigationColor);
addClass(nav, options.navigationPosition);
if(options.showActiveTooltip){
addClass(nav, SHOW_ACTIVE_TOOLTIP);
}
var li = '';
for (var i = 0; i < $$(SECTION_SEL).length; i++) {
var link = '';
if (options.anchors.length) {
link = options.anchors[i];
}
li = li + '<li><a href="#' + link + '"><span></span></a>';
// Only add tooltip if needed (defined by user)
var tooltip = options.navigationTooltips[i];
if (typeof tooltip !== undefined && tooltip !== '') {
li += '<div class="'+ SECTION_NAV_TOOLTIP +' ' + options.navigationPosition + '">' + tooltip + '</div>';
}
li += '</li>';
}
var ul = $('ul', nav);
ul.innerHTML = ul.innerHTML + li;
//creating the event listener
var links = $$(SLIDES_NAV_LINK_SEL);
for(var l = 0; l<links.length; l++){
addListenerMulti(links[l], 'click onclick touchstart', function(e){
e = window.event || e || e.originalEvent;
preventDefault(e);
var index = getNodeIndex(this.parentNode);
scrollPage($$(SECTION_SEL)[index], null, false);
});
}
}
/**
* Actions and callbacks to fire afterRender
*/
function afterRenderActions(){
var section = $(SECTION_ACTIVE_SEL);
isFunction( options.afterLoad ) && options.afterLoad.call(section, section.getAttribute('data-anchor'), (getNodeIndex(section) + 1));
isFunction( options.afterRender ) && options.afterRender.call(container);
}
var scrollId;
var scrollId2;
var isScrolling = false;
//when scrolling
function scrollHandler(){
var currentSection;
if(!options.autoScrolling || options.scrollBar){
var currentScroll = getScrollTop();
var visibleSectionIndex = 0;
var initial = Math.abs(currentScroll - $$(SECTION_SEL)[0].offsetTop);
//taking the section which is showing more content in the viewport
var sections = $$(SECTION_SEL);
for (var i = 0; i < sections.length; ++i) {
var section = sections[i];
var current = Math.abs(currentScroll - section.offsetTop);
if(current < initial){
visibleSectionIndex = i;
initial = current;
}
}
//geting the last one, the current one on the screen
currentSection = $$(SECTION_SEL)[visibleSectionIndex];
}
if(!options.autoScrolling || options.scrollBar){
//executing it only once the first time we reach the section
if(!hasClass(currentSection, ACTIVE)){
isScrolling = true;
var leavingSection = $(SECTION_ACTIVE_SEL);
var leavingSectionIndex = getNodeIndex(leavingSection) + 1;
var yMovement = getYmovement(currentSection);
var anchorLink = currentSection.getAttribute('data-anchor');
var sectionIndex = getNodeIndex(currentSection) + 1;
var activeSlide = $(SLIDE_ACTIVE_SEL, currentSection);
if(activeSlide){
var slideAnchorLink = activeSlide.getAttribute('data-anchor');
var slideIndex = getNodeIndex(activeSlide);
}
if(canScroll){
//removing siblings active class
removeClass(leavingSection, ACTIVE);
//adding the active class to the current active section
addClass(currentSection, ACTIVE);
isFunction( options.onLeave ) && options.onLeave.call( leavingSection, leavingSectionIndex, sectionIndex, yMovement);
isFunction( options.afterLoad ) && options.afterLoad.call( currentSection, anchorLink, sectionIndex);
activateMenuAndNav(anchorLink, 0);
if(options.anchors.length){
//needed to enter in hashChange event when using the menu with anchor links
lastScrolledDestiny = anchorLink;
setState(slideIndex, slideAnchorLink, anchorLink, sectionIndex);
}
}
//small timeout in order to avoid entering in hashChange event when scrolling is not finished yet
clearTimeout(scrollId);
scrollId = setTimeout(function(){
isScrolling = false;
}, 100);
}
if(options.fitToSection){
//for the auto adjust of the viewport to fit a whole section
clearTimeout(scrollId2);
scrollId2 = setTimeout(function(){
if(canScroll && !options.autoScrolling || options.scrollBar){
//allows to scroll to an active section and
//if the section is already active, we prevent firing callbacks
if(getNodeIndex($(SECTION_ACTIVE_SEL)) == getNodeIndex(currentSection) ){
isResizing = true;
}
scrollPage(currentSection);
isResizing = false;
}
}, options.fitToSectionDelay);
}
}
}
/**
* 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(type == 'down'){
moveSectionDown();
}else{
moveSectionUp();
}
}
var touchStartY = 0;
var touchStartX = 0;
var touchEndY = 0;
var touchEndX = 0;
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