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jquery.onepage-scroll.js
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jquery.onepage-scroll.js
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/* ===========================================================
* jquery-onepage-scroll.js v1
* ===========================================================
* Copyright 2013 Pete Rojwongsuriya.
* http://www.thepetedesign.com
*
* Create an Apple-like website that let user scroll
* one page at a time
*
* Credit: Eike Send for the awesome swipe event
* https://github.com/peachananr/onepage-scroll
*
* ========================================================== */
!function($){
var defaults = {
sectionContainer: "section",
easing: "ease",
animationTime: 1000,
pagination: true,
updateURL: false
};
/*------------------------------------------------*/
/* Credit: Eike Send for the awesome swipe event */
/*------------------------------------------------*/
$.fn.swipeEvents = function() {
return this.each(function() {
var startX,
startY,
$this = $(this);
$this.bind('touchstart', touchstart);
function touchstart(event) {
var touches = event.originalEvent.touches;
if (touches && touches.length) {
startX = touches[0].pageX;
startY = touches[0].pageY;
$this.bind('touchmove', touchmove);
}
event.preventDefault();
}
function touchmove(event) {
var touches = event.originalEvent.touches;
if (touches && touches.length) {
var deltaX = startX - touches[0].pageX;
var deltaY = startY - touches[0].pageY;
if (deltaX >= 50) {
$this.trigger("swipeLeft");
}
if (deltaX <= -50) {
$this.trigger("swipeRight");
}
if (deltaY >= 50) {
$this.trigger("swipeUp");
}
if (deltaY <= -50) {
$this.trigger("swipeDown");
}
if (Math.abs(deltaX) >= 50 || Math.abs(deltaY) >= 50) {
$this.unbind('touchmove', touchmove);
}
}
event.preventDefault();
}
});
};
$.fn.onepage_scroll = function(options){
var settings = $.extend({}, defaults, options),
el = $(this),
sections = $(settings.sectionContainer)
total = sections.length,
status = "off",
topPos = 0,
lastAnimation = 0,
quietPeriod = 500,
paginationList = "";
$.fn.transformPage = function(settings, pos) {
$(this).css({
"-webkit-transform": "translate3d(0, " + pos + "%, 0)",
"-webkit-transition": "all " + settings.animationTime + "ms " + settings.easing,
"-moz-transform": "translate3d(0, " + pos + "%, 0)",
"-moz-transition": "all " + settings.animationTime + "ms " + settings.easing,
"-ms-transform": "translate3d(0, " + pos + "%, 0)",
"-ms-transition": "all " + settings.animationTime + "ms " + settings.easing,
"transform": "translate3d(0, " + pos + "%, 0)",
"transition": "all " + settings.animationTime + "ms " + settings.easing
});
}
$.fn.moveDown = function() {
var el = $(this)
index = $(settings.sectionContainer +".active").data("index");
if(index < total) {
current = $(settings.sectionContainer + "[data-index='" + index + "']");
next = $(settings.sectionContainer + "[data-index='" + (index + 1) + "']");
if(next) {
current.removeClass("active")
next.addClass("active");
if(settings.pagination == true) {
$(".onepage-pagination li a" + "[data-index='" + index + "']").removeClass("active");
$(".onepage-pagination li a" + "[data-index='" + (index + 1) + "']").addClass("active");
}
$("body")[0].className = $("body")[0].className.replace(/\bviewing-page-\d.*?\b/g, '');
$("body").addClass("viewing-page-"+next.data("index"))
if (history.replaceState && settings.updateURL == true) {
var href = window.location.href.substr(0,window.location.href.indexOf('#')) + "#" + (index + 1);
history.pushState( {}, document.title, href );
}
}
pos = (index * 100) * -1;
el.transformPage(settings, pos);
}
}
$.fn.moveUp = function() {
var el = $(this)
index = $(settings.sectionContainer +".active").data("index");
if(index <= total && index > 1) {
current = $(settings.sectionContainer + "[data-index='" + index + "']");
next = $(settings.sectionContainer + "[data-index='" + (index - 1) + "']");
if(next) {
current.removeClass("active")
next.addClass("active")
if(settings.pagination == true) {
$(".onepage-pagination li a" + "[data-index='" + index + "']").removeClass("active");
$(".onepage-pagination li a" + "[data-index='" + (index - 1) + "']").addClass("active");
}
$("body")[0].className = $("body")[0].className.replace(/\bviewing-page-\d.*?\b/g, '');
$("body").addClass("viewing-page-"+next.data("index"))
if (history.replaceState && settings.updateURL == true) {
var href = window.location.href.substr(0,window.location.href.indexOf('#')) + "#" + (index - 1);
history.pushState( {}, document.title, href );
}
}
pos = ((next.data("index") - 1) * 100) * -1;
el.transformPage(settings, pos);
}
}
function init_scroll(event, delta) {
deltaOfInterest = delta;
var timeNow = new Date().getTime();
// Cancel scroll if currently animating or within quiet period
if(timeNow - lastAnimation < quietPeriod + settings.animationTime) {
event.preventDefault();
return;
}
if (deltaOfInterest < 0) {
el.moveDown()
} else {
el.moveUp()
}
lastAnimation = timeNow;
}
// Prepare everything before binding wheel scroll
el.addClass("onepage-wrapper").css("position","relative");
$.each( sections, function(i) {
$(this).css({
position: "absolute",
top: topPos + "%"
}).addClass("section").attr("data-index", i+1);
topPos = topPos + 100;
if(settings.pagination == true) {
paginationList += "<li><a data-index='"+(i+1)+"' href='#" + (i+1) + "'></a></li>"
}
});
el.swipeEvents().bind("swipeDown", function(){
el.moveUp();
}).bind("swipeUp", function(){
el.moveDown();
});
// Create Pagination and Display Them
if(settings.pagination == true) {
$("<ul class='onepage-pagination'>" + paginationList + "</ul>").prependTo("body");
posTop = (el.find(".onepage-pagination").height() / 2) * -1;
el.find(".onepage-pagination").css("margin-top", posTop);
}
if(window.location.hash != "" && window.location.hash != "#1") {
init_index = window.location.hash.replace("#", "")
$(settings.sectionContainer + "[data-index='" + init_index + "']").addClass("active")
$("body").addClass("viewing-page-"+ init_index)
if(settings.pagination == true) $(".onepage-pagination li a" + "[data-index='" + init_index + "']").addClass("active");
next = $(settings.sectionContainer + "[data-index='" + (init_index) + "']");
if(next) {
next.addClass("active")
if(settings.pagination == true) $(".onepage-pagination li a" + "[data-index='" + (init_index) + "']").addClass("active");
$("body")[0].className = $("body")[0].className.replace(/\bviewing-page-\d.*?\b/g, '');
$("body").addClass("viewing-page-"+next.data("index"))
if (history.replaceState && settings.updateURL == true) {
var href = window.location.href.substr(0,window.location.href.indexOf('#')) + "#" + (init_index);
history.pushState( {}, document.title, href );
}
}
pos = ((init_index - 1) * 100) * -1;
el.transformPage(settings, pos);
}else{
$(settings.sectionContainer + "[data-index='1']").addClass("active")
$("body").addClass("viewing-page-1")
if(settings.pagination == true) $(".onepage-pagination li a" + "[data-index='1']").addClass("active");
}
if(settings.pagination == true) {
$(".onepage-pagination li a").click(function (){
var page_index = $(this).data("index");
if (!$(this).hasClass("active")) {
current = $(settings.sectionContainer + ".active")
next = $(settings.sectionContainer + "[data-index='" + (page_index) + "']");
if(next) {
current.removeClass("active")
next.addClass("active")
$(".onepage-pagination li a" + ".active").removeClass("active");
$(".onepage-pagination li a" + "[data-index='" + (page_index) + "']").addClass("active");
$("body")[0].className = $("body")[0].className.replace(/\bviewing-page-\d.*?\b/g, '');
$("body").addClass("viewing-page-"+next.data("index"))
}
pos = ((page_index - 1) * 100) * -1;
el.transformPage(settings, pos);
}
if (settings.updateURL == false) return false;
});
}
$(document).bind('mousewheel DOMMouseScroll', function(event) {
event.preventDefault();
var delta = event.originalEvent.wheelDelta || -event.originalEvent.detail;
init_scroll(event, delta);
});
return false;
}
}(window.jQuery);