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add some feture #5

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add some feture #5

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92 changes: 49 additions & 43 deletions zepto.onepagescroll.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,9 @@
*
* Credit: Eike Send for the awesome swipe event
* https://github.com/peachananr/zepto-onepage-scroll
*
*
* Zepto Modules Required:
*
* Zepto Modules Required:
* - touch.js
* - fx.js
*
Expand All @@ -23,20 +23,21 @@
;(function($){
$.extend($.fn, {
onePageScroll: function(options){

var defaults = {
sectionContainer: "section",
easing: "ease",
animationTime: 1000,
pagination: true,
threshold: 100,
pagination: true,
updateURL: false,
keyboard: true,
beforeMove: null,
afterMove: null,
loop: false,
responsiveFallback: false
};

var settings = $.extend({}, defaults, options),
el = $(this),
sections = $(settings.sectionContainer),
Expand All @@ -48,21 +49,21 @@
quietPeriod = 300,
paginationList = "",
body = $("body");


/*------------------------------------------------*/
/* Credit: Eike Send for the awesome swipe event */
/* Credit: Eike Send for the awesome swipe event */
/*------------------------------------------------*/

$.fn.swipeEvents = function() {
return this.each(function() {

var startX,
startY,
$this = $(this);

$this.on('touchstart', touchstart);

function touchstart(event) {
var touches = event.touches;
if (touches && touches.length) {
Expand All @@ -71,14 +72,14 @@
$this.on('touchmove', touchmove);
}
}

function touchmove(event) {
var touches = event.touches;
if (touches && touches.length) {
event.preventDefault();
var deltaX = startX - touches[0].pageX;
var deltaY = startY - touches[0].pageY;

if (deltaX >= 50) {
$this.trigger("swipeLeft");
}
Expand All @@ -96,45 +97,45 @@
}
}
}

});
};

/*---------------------------------*/
/* Function to transform the page */
/*---------------------------------*/

$.fn.transformPage = function(settings, pos, index, next_el) {
var el2 = $(this);

if (typeof settings.beforeMove == 'function') settings.beforeMove(index, next_el);

el2.animate({
translate3d: "0, " + pos + "%, 0"
}, settings.animationTime, settings.easing, function() {
if (typeof settings.afterMove == 'function') settings.afterMove(index);
});
}

/*---------------------------------*/
/* Function to move down section */
/*---------------------------------*/

$.fn.moveDown = function() {
var timeNow = new Date().getTime();

// Cancel scroll if currently animating or within quiet period
if(timeNow - lastAnimation < quietPeriod + settings.animationTime) {
event.preventDefault();
return;
}

var index = $(settings.sectionContainer +".active").data("index"),
current = $(settings.sectionContainer + "[data-index='" + index + "']"),
next = $(settings.sectionContainer + "[data-index='" + (parseInt(index) + 1) + "']"),
el3 = $(this);


if(next.length < 1) {
if (settings.loop == true) {
pos = 0;
Expand Down Expand Up @@ -165,7 +166,7 @@
el3.transformPage(settings, pos, next_index, next);
lastAnimation = timeNow;
}

/*---------------------------------*/
/* Function to move up section */
/*---------------------------------*/
Expand All @@ -178,7 +179,7 @@
event.preventDefault();
return;
}

var index = $(settings.sectionContainer +".active").data("index"),
current = $(settings.sectionContainer + "[data-index='" + index + "']"),
next = $(settings.sectionContainer + "[data-index='" + (parseInt(index) - 1) + "']"),
Expand Down Expand Up @@ -212,14 +213,14 @@
el4.transformPage(settings, pos, next_index, next);
lastAnimation = timeNow;
}

/*-------------------------------------------*/
/* Function to move to specified section */
/*-------------------------------------------*/

$.fn.moveTo = function(page_index) {
var timeNow = new Date().getTime();

// Cancel scroll if currently animating or within quiet period
if(timeNow - lastAnimation < quietPeriod + settings.animationTime) {
event.preventDefault();
Expand Down Expand Up @@ -249,7 +250,7 @@
lastAnimation = timeNow;
}
}

/*-------------------------------------------*/
/* Responsive Fallback trigger */
/*-------------------------------------------*/
Expand All @@ -268,11 +269,11 @@
bodyremoveClass("disabled-onepage-scroll");
$("html, body, .wrapper").animate({ scrollTop: 0 }, "fast");
}
$(document).swipeEvents().on("swipeDown", function(event){

$(document).swipeEvents().on("swipeDown", function(event){
if (!$("body").hasClass("disabled-onepage-scroll")) event.preventDefault();
el.moveUp();
}).on("swipeUp", function(event){
}).on("swipeUp", function(event){
if (!$("body").hasClass("disabled-onepage-scroll")) event.preventDefault();
el.moveDown();
});
Expand All @@ -282,22 +283,22 @@

}
}

/*-------------------------------------------*/
/* Initialize scroll detection */
/*-------------------------------------------*/

function init_scroll(event, delta) {
var deltaOfInterest = delta;

if (deltaOfInterest < 0) {
el.moveDown()
} else {
el.moveUp()
}
}


/*-------------------------------------------*/
/* Prepare Everything */
/*-------------------------------------------*/
Expand All @@ -313,10 +314,10 @@
}
});

$(document).swipeEvents().on("swipeDown", function(event){
$(document).swipeEvents().on("swipeDown", function(event){
if (!$("body").hasClass("disabled-onepage-scroll")) event.preventDefault();
el.moveUp();
}).on("swipeUp", function(event){
}).on("swipeUp", function(event){
if (!$("body").hasClass("disabled-onepage-scroll")) event.preventDefault();
el.moveDown();
});
Expand All @@ -342,7 +343,7 @@
if(settings.pagination == true) $(".onepage-pagination li a" + "[data-index='" + init_index + "']").addClass("active");

document.body.className = document.body.className.replace(/\bviewing-page-\d.*?\b/g, '');

body.addClass("viewing-page-" + next_index)
if (history.replaceState && settings.updateURL == true) {
var href = window.location.href.substr(0,window.location.href.indexOf('#')) + "#" + (init_index);
Expand Down Expand Up @@ -372,9 +373,14 @@
}

function mouseWheelHandler(event) {
event.preventDefault();
var delta = event.wheelDelta || -event.detail;
if(!body.hasClass("disabled-onepage-scroll")) init_scroll(event, delta);
if (!($(event.target).hasClass('disabled-scroll'))) {
event.preventDefault();
var delta = event.wheelDelta || -event.detail;
if (Math.abs(event.wheelDelta) < settings.threshold) {
return;
}
if(!body.hasClass("disabled-onepage-scroll")) init_scroll(event, delta);
}
}

$(document).on('mousewheel DOMMouseScroll', mouseWheelHandler);
Expand Down Expand Up @@ -409,7 +415,7 @@
}
return false;
}


})
})(Zepto)
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