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jquery.fullPage.js
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jquery.fullPage.js
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/**
* fullPage 2.4.3
* https://github.com/alvarotrigo/fullPage.js
* MIT licensed
*
* Copyright (C) 2013 alvarotrigo.com - A project by Alvaro Trigo
*/
(function($) {
$.fn.fullpage = function(options) {
// Create some defaults, extending them with any options that were provided
options = $.extend({
//navigation
'menu': false,
'anchors':[],
'navigation': false,
'navigationPosition': 'right',
'navigationColor': '#000',
'navigationTooltips': [],
'slidesNavigation': false,
'slidesNavPosition': 'bottom',
//scrolling
'css3': false,
'scrollingSpeed': 700,
'autoScrolling': true,
'easing': 'easeInQuart',
'easingcss3': 'ease',
'loopBottom': false,
'loopTop': false,
'loopHorizontal': true,
'continuousVertical': false,
'fitSection': false,
'normalScrollElements': null,
'scrollOverflow': false,
'touchSensitivity': 5,
'normalScrollElementTouchThreshold': 5,
//Accessibility
'keyboardScrolling': true,
'animateAnchor': true,
//design
'controlArrowColor': '#fff',
"verticalCentered": true,
'resize': true,
'sectionsColor' : [],
'paddingTop': 0,
'paddingBottom': 0,
'fixedElements': null,
'responsive': 0,
//Custom selectors
'sectionSelector': '.section',
'slideSelector': '.slide',
//events
'afterLoad': null,
'onLeave': null,
'afterRender': null,
'afterResize': null,
'afterReBuild': null,
'afterSlideLoad': null,
'onSlideLeave': null
}, options);
// Disable mutually exclusive settings
if (options.continuousVertical &&
(options.loopTop || options.loopBottom)) {
options.continuousVertical = false;
console && console.log && console.log("Option loopTop/loopBottom is mutually exclusive with continuousVertical; continuousVertical disabled");
}
//Defines the delay to take place before being able to scroll to the next section
//BE CAREFUL! Not recommened to change it under 400 for a good behavior in laptops and
//Apple devices (laptops, mouses...)
var scrollDelay = 600;
$.fn.fullpage.setAutoScrolling = function(value){
options.autoScrolling = value;
var element = $('.fp-section.active');
if(options.autoScrolling){
$('html, body').css({
'overflow' : 'hidden',
'height' : '100%'
});
//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{
$('html, body').css({
'overflow' : 'visible',
'height' : 'initial'
});
//for IE touch devices
container.css({
'-ms-touch-action': '',
'touch-action': ''
});
silentScroll(0);
//scrolling the page to the section with no animation
$('html, body').scrollTop(element.position().top);
}
};
/**
* Defines the scrolling speed
*/
$.fn.fullpage.setScrollingSpeed = function(value){
options.scrollingSpeed = value;
};
/**
* Adds or remove the possiblity of scrolling through sections by using the mouse wheel or the trackpad.
*/
$.fn.fullpage.setMouseWheelScrolling = function (value){
if(value){
addMouseWheelHandler();
}else{
removeMouseWheelHandler();
}
};
/**
* Adds or remove the possiblity of scrolling through sections by using the mouse wheel/trackpad or touch gestures.
*/
$.fn.fullpage.setAllowScrolling = function (value){
if(value){
$.fn.fullpage.setMouseWheelScrolling(true);
addTouchHandler();
}else{
$.fn.fullpage.setMouseWheelScrolling(false);
removeTouchHandler();
}
};
/**
* Adds or remove the possiblity of scrolling through sections by using the keyboard arrow keys
*/
$.fn.fullpage.setKeyboardScrolling = function (value){
options.keyboardScrolling = value;
};
$.fn.fullpage.moveSectionUp = function(){
var prev = $('.fp-section.active').prev('.fp-section');
//looping to the bottom if there's no more sections above
if (!prev.length && (options.loopTop || options.continuousVertical)) {
prev = $('.fp-section').last();
}
if (prev.length) {
scrollPage(prev, null, true);
}
};
$.fn.fullpage.moveSectionDown = function (){
var next = $('.fp-section.active').next('.fp-section');
//looping to the top if there's no more sections below
if(!next.length &&
(options.loopBottom || options.continuousVertical)){
next = $('.fp-section').first();
}
if(next.length){
scrollPage(next, null, false);
}
};
$.fn.fullpage.moveTo = function (section, slide){
var destiny = '';
if(isNaN(section)){
destiny = $('[data-anchor="'+section+'"]');
}else{
destiny = $('.fp-section').eq( (section -1) );
}
if (typeof slide !== 'undefined'){
scrollPageAndSlide(section, slide);
}else if(destiny.length > 0){
scrollPage(destiny);
}
};
$.fn.fullpage.moveSlideRight = function(){
moveSlide('next');
};
$.fn.fullpage.moveSlideLeft = function(){
moveSlide('prev');
};
/**
* When resizing is finished, we adjust the slides sizes and positions
*/
$.fn.fullpage.reBuild = function(resizing){
isResizing = true;
var windowsWidth = $(window).width();
windowsHeight = $(window).height();
//text and images resizing
if (options.resize) {
resizeMe(windowsHeight, windowsWidth);
}
$('.fp-section').each(function(){
var scrollHeight = windowsHeight - parseInt($(this).css('padding-bottom')) - parseInt($(this).css('padding-top'));
//adjusting the height of the table-cell for IE and Firefox
if(options.verticalCentered){
$(this).find('.fp-tableCell').css('height', getTableHeight($(this)) + 'px');
}
$(this).css('height', windowsHeight + 'px');
//resizing the scrolling divs
if(options.scrollOverflow){
var slides = $(this).find('.fp-slide');
if(slides.length){
slides.each(function(){
createSlimScrolling($(this));
});
}else{
createSlimScrolling($(this));
}
}
//adjusting the position fo the FULL WIDTH slides...
var slides = $(this).find('.fp-slides');
if (slides.length) {
landscapeScroll(slides, slides.find('.fp-slide.active'));
}
});
//adjusting the position for the current section
var destinyPos = $('.fp-section.active').position();
var activeSection = $('.fp-section.active');
//isn't it the first section?
if(activeSection.index('.fp-section')){
scrollPage(activeSection);
}
isResizing = false;
$.isFunction( options.afterResize ) && resizing && options.afterResize.call( this )
$.isFunction( options.afterReBuild ) && !resizing && options.afterReBuild.call( this );
}
//flag to avoid very fast sliding for landscape sliders
var slideMoving = false;
var isTouchDevice = navigator.userAgent.match(/(iPhone|iPod|iPad|Android|BlackBerry|BB10|Windows Phone|Tizen|Bada)/);
var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0));
var container = $(this);
var windowsHeight = $(window).height();
var isMoving = false;
var isResizing = false;
var lastScrolledDestiny;
var lastScrolledSlide;
var nav;
var wrapperSelector = 'fullpage-wrapper';
$.fn.fullpage.setAllowScrolling(true);
//if css3 is not supported, it will use jQuery animations
if(options.css3){
options.css3 = support3d();
}
if($(this).length){
container.css({
'height': '100%',
'position': 'relative'
});
//adding a class to recognize the container internally in the code
container.addClass(wrapperSelector);
}
//trying to use fullpage without a selector?
else{
console.error("Error! Fullpage.js needs to be initialized with a selector. For example: $('#myContainer').fullpage();");
}
//adding internal class names to void problem with common ones
$(options.sectionSelector).each(function(){
$(this).addClass('fp-section');
});
$(options.slideSelector).each(function(){
$(this).addClass('fp-slide');
});
//creating the navigation dots
if (options.navigation) {
addVerticalNavigation();
}
$('.fp-section').each(function(index){
var that = $(this);
var slides = $(this).find('.fp-slide');
var numSlides = slides.length;
//if no active section is defined, the 1st one will be the default one
if(!index && $('.fp-section.active').length === 0) {
$(this).addClass('active');
}
$(this).css('height', windowsHeight + 'px');
if(options.paddingTop || options.paddingBottom){
$(this).css('padding', options.paddingTop + ' 0 ' + options.paddingBottom + ' 0');
}
if (typeof options.sectionsColor[index] !== 'undefined') {
$(this).css('background-color', options.sectionsColor[index]);
}
if (typeof options.anchors[index] !== 'undefined') {
$(this).attr('data-anchor', options.anchors[index]);
}
// if there's any slide
if (numSlides > 1) {
var sliderWidth = numSlides * 100;
var slideWidth = 100 / numSlides;
slides.wrapAll('<div class="fp-slidesContainer" />');
slides.parent().wrap('<div class="fp-slides" />');
$(this).find('.fp-slidesContainer').css('width', sliderWidth + '%');
$(this).find('.fp-slides').after('<div class="fp-controlArrow fp-prev"></div><div class="fp-controlArrow fp-next"></div>');
if(options.controlArrowColor!='#fff'){
$(this).find('.fp-controlArrow.fp-next').css('border-color', 'transparent transparent transparent '+options.controlArrowColor);
$(this).find('.fp-controlArrow.fp-prev').css('border-color', 'transparent '+ options.controlArrowColor + ' transparent transparent');
}
if(!options.loopHorizontal){
$(this).find('.fp-controlArrow.fp-prev').hide();
}
if(options.slidesNavigation){
addSlidesNavigation($(this), numSlides);
}
slides.each(function(index) {
$(this).css('width', slideWidth + '%');
if(options.verticalCentered){
addTableClass($(this));
}
});
var startingSlide = that.find('.fp-slide.active');
//if the slide won#t be an starting point, the default will be the first one
if(startingSlide.length == 0){
slides.eq(0).addClass('active');
}
//is there a starting point for a non-starting section?
else{
silentLandscapeScroll(startingSlide);
}
}else{
if(options.verticalCentered){
addTableClass($(this));
}
}
}).promise().done(function(){
$.fn.fullpage.setAutoScrolling(options.autoScrolling);
//the starting point is a slide?
var activeSlide = $('.fp-section.active').find('.fp-slide.active');
//the active section isn't the first one? Is not the first slide of the first section? Then we load that section/slide by default.
if( activeSlide.length && ($('.fp-section.active').index('.fp-section') != 0 || ($('.fp-section.active').index('.fp-section') == 0 && activeSlide.index() != 0))){
silentLandscapeScroll(activeSlide);
}
//fixed elements need to be moved out of the plugin container due to problems with CSS3.
if(options.fixedElements && options.css3){
$(options.fixedElements).appendTo('body');
}
//vertical centered of the navigation + first bullet active
if(options.navigation){
nav.css('margin-top', '-' + (nav.height()/2) + 'px');
nav.find('li').eq($('.fp-section.active').index('.fp-section')).find('a').addClass('active');
}
//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('.fullpage-wrapper').length){
$(options.menu).appendTo('body');
}
if(options.scrollOverflow){
if(document.readyState === "complete"){
createSlimScrollingHandler();
}
//after DOM and images are loaded
$(window).on('load', createSlimScrollingHandler);
}else{
$.isFunction( options.afterRender ) && options.afterRender.call( this);
}
responsive();
//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.position().top);
}
else{
silentScroll(0);
//scrolling the page to the section with no animation
$('html, body').scrollTop(section.position().top);
}
activateMenuAndNav(destiny, null);
$.isFunction( options.afterLoad ) && options.afterLoad.call( this, destiny, (section.index('.fp-section') + 1));
//updating the active class
section.addClass('active').siblings().removeClass('active');
}
}
$(window).on('load', function() {
scrollToAnchor();
});
});
/**
* Creates a vertical navigation bar.
*/
function addVerticalNavigation(){
$('body').append('<div id="fp-nav"><ul></ul></div>');
nav = $('#fp-nav');
nav.css('color', options.navigationColor);
nav.addClass(options.navigationPosition);
for(var cont = 0; cont < $('.fp-section').length; cont++){
var link = '';
if(options.anchors.length){
link = options.anchors[cont];
}
var tooltip = options.navigationTooltips[cont];
if(typeof tooltip === 'undefined'){
tooltip = '';
}
nav.find('ul').append('<li data-tooltip="' + tooltip + '"><a href="#' + link + '"><span></span></a></li>');
}
}
function createSlimScrollingHandler(){
$('.fp-section').each(function(){
var slides = $(this).find('.fp-slide');
if(slides.length){
slides.each(function(){
createSlimScrolling($(this));
});
}else{
createSlimScrolling($(this));
}
});
$.isFunction( options.afterRender ) && options.afterRender.call( this);
}
//stop autoScrolling when the user scrolls
$("html, body").bind("scroll mousedown DOMMouseScroll mousewheel keyup", function(){
if(!options.autoScrolling && options.fitSection){
$('html, body').stop();
isMoving = false;
}
});
var scrollId;
var scrollId2;
var isScrolling = false;
//when scrolling...
$(window).on('scroll', scrollHandler);
function scrollHandler(){
if(!options.autoScrolling){
var currentScroll = $(window).scrollTop();
var visibleSectionIndex = 0;
var initial = Math.abs(currentScroll - $('.fp-section').first().offset().top);
//taking the section which is showing more content in the viewport
$('.fp-section').each(function(index){
var current = Math.abs(currentScroll - $(this).offset().top);
if(current < initial){
visibleSectionIndex = index;
initial = current;
}
});
//geting the last one, the current one on the screen
var currentSection = $('.fp-section').eq(visibleSectionIndex);
//executing only once the first time we reach the section
if(!currentSection.hasClass('active')){
isScrolling = true;
var leavingSection = $('.fp-section.active').index('.fp-section') + 1;
var yMovement = getYmovement(currentSection);
var anchorLink = currentSection.data('anchor');
currentSection.addClass('active').siblings().removeClass('active');
if(!isMoving){
$.isFunction( options.onLeave ) && options.onLeave.call( this, leavingSection, (currentSection.index('.fp-section') + 1), yMovement);
$.isFunction( options.afterLoad ) && options.afterLoad.call( this, anchorLink, (currentSection.index('.fp-section') + 1));
}
activateMenuAndNav(anchorLink, 0);
if(options.anchors.length && !isMoving){
//needed to enter in hashChange event when using the menu with anchor links
lastScrolledDestiny = anchorLink;
location.hash = anchorLink;
}
//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.fitSection){
//for the auto adjust of the viewport to fit a whole section
clearTimeout(scrollId2);
scrollId2 = setTimeout(function(){
if(!isMoving){
scrollPage(currentSection);
}
}, 1000);
}
}
}
/**
* Determines whether the active section or slide is scrollable through and scrolling bar
*/
function isScrollable(activeSection){
//if there are landscape slides, we check if the scrolling bar is in the current one or not
if(activeSection.find('.fp-slides').length){
scrollable= activeSection.find('.fp-slide.active').find('.fp-scrollable');
}else{
scrollable = activeSection.find('.fp-scrollable');
}
return scrollable;
}
/**
* Determines the way of scrolling up or down:
* by 'automatically' scrolling a section or by using the default and normal scrolling.
*/
function scrolling(type, scrollable){
if(type == 'down'){
var check = 'bottom';
var scrollSection = $.fn.fullpage.moveSectionDown;
}else{
var check = 'top';
var scrollSection = $.fn.fullpage.moveSectionUp;
}
if(scrollable.length > 0 ){
//is the scrollbar at the start/end of the scroll?
if(isScrolled(check, scrollable)){
scrollSection();
}else{
return true;
}
}else{
// moved up/down
scrollSection();
}
}
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;
// additional: if one of the normalScrollElements isn't within options.normalScrollElementTouchThreshold hops up the DOM chain
if (!checkParentForNormalScrollElement(event.target)) {
if(options.autoScrolling){
//preventing the easing on iOS devices
event.preventDefault();
}
var activeSection = $('.fp-section.active');
var scrollable = isScrollable(activeSection);
if (!isMoving && !slideMoving) { //if theres any #
var touchEvents = getEventsPage(e);
touchEndY = touchEvents['y'];
touchEndX = touchEvents['x'];
//if movement in the X axys is greater than in the Y and the currect section has slides...
if (activeSection.find('.fp-slides').length && Math.abs(touchStartX - touchEndX) > (Math.abs(touchStartY - touchEndY))) {
//is the movement greater than the minimum resistance to scroll?
if (Math.abs(touchStartX - touchEndX) > ($(window).width() / 100 * options.touchSensitivity)) {
if (touchStartX > touchEndX) {
$.fn.fullpage.moveSlideRight(); //next
} else {
$.fn.fullpage.moveSlideLeft(); //prev
}
}
}
//vertical scrolling (only when autoScrolling is enabled)
else if(options.autoScrolling){
//is the movement greater than the minimum resistance to scroll?
if (Math.abs(touchStartY - touchEndY) > ($(window).height() / 100 * options.touchSensitivity)) {
if (touchStartY > touchEndY) {
scrolling('down', scrollable);
} else if (touchEndY > touchStartY) {
scrolling('up', scrollable);
}
}
}
}
}
}
/**
* recursive function to loop up the parent nodes to check if one of them exists in options.normalScrollElements
* Currently works well for iOS - Android might need some testing
* @param {Element} el target element / jquery selector (in subsequent nodes)
* @param {int} hop current hop compared to options.normalScrollElementTouchThreshold
* @return {boolean} true if there is a match to options.normalScrollElements
*/
function checkParentForNormalScrollElement (el, hop) {
hop = hop || 0;
var parent = $(el).parent();
if (hop < options.normalScrollElementTouchThreshold &&
parent.is(options.normalScrollElements) ) {
return true;
} else if (hop == options.normalScrollElementTouchThreshold) {
return false;
} else {
return checkParentForNormalScrollElement(parent, ++hop);
}
}
function touchStartHandler(event){
var e = event.originalEvent;
var touchEvents = getEventsPage(e);
touchStartY = touchEvents['y'];
touchStartX = touchEvents['x'];
}
/**
* Detecting mousewheel scrolling
*
* http://blogs.sitepointstatic.com/examples/tech/mouse-wheel/index.html
* http://www.sitepoint.com/html5-javascript-mouse-wheel/
*/
function MouseWheelHandler(e) {
if(options.autoScrolling){
// cross-browser wheel delta
e = window.event || e;
var delta = Math.max(-1, Math.min(1,
(e.wheelDelta || -e.deltaY || -e.detail)));
var activeSection = $('.fp-section.active');
var scrollable = isScrollable(activeSection);
if (!isMoving) { //if theres any #
//scrolling down?
if (delta < 0) {
scrolling('down', scrollable);
//scrolling up?
}else {
scrolling('up', scrollable);
}
}
return false;
}
}
function moveSlide(direction){
var activeSection = $('.fp-section.active');
var slides = activeSection.find('.fp-slides');
// more than one slide needed and nothing should be sliding
if (!slides.length || slideMoving) {
return;
}
var currentSlide = slides.find('.fp-slide.active');
var destiny = null;
if(direction === 'prev'){
destiny = currentSlide.prev('.fp-slide');
}else{
destiny = currentSlide.next('.fp-slide');
}
//isn't there a next slide in the secuence?
if(!destiny.length){
//respect loopHorizontal settin
if (!options.loopHorizontal) return;
if(direction === 'prev'){
destiny = currentSlide.siblings(':last');
}else{
destiny = currentSlide.siblings(':first');
}
}
slideMoving = true;
landscapeScroll(slides, destiny);
}
/**
* Maintains the active slides in the viewport
* (Because he `scroll` animation might get lost with some actions, such as when using continuousVertical)
*/
function keepSlidesPosition(){
$('.fp-slide.active').each(function(){
silentLandscapeScroll($(this));
});
}
/**
* Scrolls the site to the given element and scrolls to the slide if a callback is given.
*/
function scrollPage(element, callback, isMovementUp){
var dest = element.position();
if(typeof dest === "undefined"){ return; } //there's no element to scroll, leaving the function
//local variables
var v = {
element: element,
callback: callback,
isMovementUp: isMovementUp,
dest: dest,
dtop: dest.top,
yMovement: getYmovement(element),
anchorLink: element.data('anchor'),
sectionIndex: element.index('.fp-section'),
activeSlide: element.find('.fp-slide.active'),
activeSection: $('.fp-section.active'),
leavingSection: $('.fp-section.active').index('.fp-section') + 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 activeSection is the target element
if(v.activeSection.is(element) && !isResizing){ return; }
if(v.activeSlide.length){
var slideAnchorLink = v.activeSlide.data('anchor');
var slideIndex = v.activeSlide.index();
}
// 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);
}
element.addClass('active').siblings().removeClass('active');
//preventing from activating the MouseWheelHandler event
//more than once if the page is scrolling
isMoving = true;
if(typeof v.anchorLink !== 'undefined'){
setURLHash(slideIndex, slideAnchorLink, v.anchorLink);
}
//callback (onLeave) if the site is not just resizing and readjusting the slides
$.isFunction(options.onLeave) && !v.localIsResizing && options.onLeave.call(this, v.leavingSection, (v.sectionIndex + 1), v.yMovement);
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)
if(options.autoScrolling){
activateMenuAndNav(v.anchorLink, v.sectionIndex)
}
}
/**
* Performs the movement (by CSS3 or by jQuery)
*/
function performMovement(v){
// using CSS3 translate functionality
if (options.css3 && options.autoScrolling) {
var translate3d = 'translate3d(0px, -' + v.dtop + 'px, 0px)';
transformContainer(translate3d, true);
setTimeout(function () {
afterSectionLoads(v);
}, options.scrollingSpeed);
}
// 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`
afterSectionLoads(v);
});
}
}
/**
* Gets the scrolling settings depending on the plugin autoScrolling option
*/
function getScrollSettings(v){
var scroll = {};
if(options.autoScrolling){
scroll.options = { 'top': -v.dtop};
scroll.element = '.'+wrapperSelector;
}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
$(".fp-section.active").after(v.activeSection.prevAll(".fp-section").get().reverse());
}
else { // Scrolling up
// Move all next sections to before the active section
$(".fp-section.active").before(v.activeSection.nextAll(".fp-section"));
}
// Maintain the displayed position (now that we changed the element order)
silentScroll($('.fp-section.active').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.dest = v.element.position();
v.dtop = v.dest.top;
v.yMovement = getYmovement(v.element);
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) {
$('.fp-section:first').before(v.wrapAroundElements);
}
else {
$('.fp-section:last').after(v.wrapAroundElements);
}
silentScroll($('.fp-section.active').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(this, v.anchorLink, (v.sectionIndex + 1));
setTimeout(function () {
isMoving = false;
$.isFunction(v.callback) && v.callback.call(this);
}, scrollDelay);
}
/**
* Scrolls to the anchor in the URL when loading the site
*/
function scrollToAnchor(){
//getting the anchor link in the URL and deleting the `#`
var value = window.location.hash.replace('#', '').split('/');
var section = value[0];
var slide = value[1];
if(section){ //if theres any #
scrollPageAndSlide(section, slide);
}
}
//detecting any change on the URL to scroll to the given anchor link
//(a way to detect back history button as we play with the hashes on the URL)
$(window).on('hashchange', hashChangeHandler);
function hashChangeHandler(){
if(!isScrolling){
var value = window.location.hash.replace('#', '').split('/');
var section = value[0];
var slide = value[1];
if(section.length){
//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');