<!DOCTYPE HTML>
<html>
<head>
<!--
<script src="zepto.js"></script>
<script src="http://code.jquery.com/jquery.min.js"></script>
-->
<script src="basic-compat.js"></script>
<script src="tutechie.js"></script>
<style>
#galleryTest, #galleryTest2{ overflow: hidden;width:400px;height:200px;position:relative;background: #333;}
#galleryTest img, #galleryTest2 img{ position:absolute; left:0;right:0;}
</style>
</head>
<body>
<h2>Testing Swipe right/left</h2>
<div id="galleryTest" >
<img src="http://lorempixel.com/400/200/abstract">
<img src="http://lorempixel.com/400/200/nature">
<img src="http://lorempixel.com/400/200/city">
<img src="http://lorempixel.com/400/200/technics">
<img src="http://lorempixel.com/400/200/people">
</div>
Tap and long Tap me to see a message appear in the console on the right
<br />
<h2>Testing drag </h2>
<div id="galleryTest2" >
<img src="http://lorempixel.com/400/200/abstract">
<img src="http://lorempixel.com/400/200/nature">
<img src="http://lorempixel.com/400/200/city">
<img src="http://lorempixel.com/400/200/technics">
<img src="http://lorempixel.com/400/200/people">
</div>
zoomin/out activable by pinch or mousewheel
<pre style="position:absolute;right:10px;top:10px; width:300px;height:600px;border:solid silver 1px" id="pre"></pre>
<script>
/*global $*/
/*jshint expr:true,browser:true*/
//--initilaise gallery
/**
* code is made abnormally complex to manage compatibility between jQuery/Zepto/basic-compat libraries.
*/
function log(){
var p = $('#pre')[0];
p.innerHTML += Array.prototype.join.call(arguments,', ')+'\n';
}
function logJ(){
return log(JSON.stringify(arguments));
}
function gallery(container,draggable){
if( ! (this instanceof gallery) ){
return new gallery(container,draggable);
}
var g = this;
g.draggable = draggable;
g.container = $(container);
g.zoom = 1;
g.offset = {left:this.container[0].left,top:this.container[0].top};
g.currentSlide = 0;
g.width = window.getComputedStyle(g.container[0]).width;
g.slides = [];
$('img',g.container).each(function(k,v){
v.setAttribute('data-slideId',k);
v.setAttribute('draggable',false);
if(k){
v.style.left = g.width;
}
g.slides.push($(v));
});
g.lastSlideId = parseInt($('img:last-child',g.container)[0].getAttribute('data-slideId'),10);
g.container.on('Touchstart',function(e){
e.preventDefault();
});
if( !draggable ){
g.container
.on('Tap',function(){
log('you just tapped me');
})
.on('Heldtap',function(){
log('you just tapped me so long');
})
.on('Swipe',function(e){
if( e.direction ==='left'){
g.goNext();
}else if( e.direction === 'right'){
g.goPrev();
}
log('swiped '+e.direction);
})
;
}else{
g.container.on('Move',function(e){
var w = parseInt(g.width,10)
,prev = g.getSlide(g.currentSlide === 0 ? g.lastSlideId : (g.currentSlide-1))[0]
,next = g.getSlide(g.currentSlide === g.lastSlideId ? 0 : (g.currentSlide+1))[0]
,current = g.getSlide(g.currentSlide)[0]
,distanceX = Math.min(w,Math.max(-w,e.distanceX))
;
$([prev,current,next]).each(function(){
this.setAttribute('style','');
});
current.style.left = distanceX+'px';
prev.style.left = (distanceX-w)+'px';
next.style.left = (distanceX+w)+'px';
});
g.container.on('Moveend',function(e){
var treshold = parseInt(g.width,10)*0.33;
if( Math.abs(e.distanceX) > treshold ){
e.distanceX > 0 ? g.goPrev() : g.goNext();
}else{
g.getSlide(g.currentSlide)[0].setAttribute('style','left:0;-webkit-transition: left '+(500*(Math.abs(e.distanceX)/treshold))+'ms linear;z-index:1');
}
});
}
g.container
.on('Zoomin',function(e){
e.preventDefault();
e.stopPropagation();
var factor = e.isTouchEvent ? 0.02 : 0.1;
(g.zoom+=factor) > 2 && (g.zoom = 2);
g.container[0].style.webkitTransform = 'scale('+g.zoom+')';
g.container[0].style.transform = 'scale('+g.zoom+')';
})
.on('Zoomout',function(e){
e.preventDefault();
e.stopPropagation();
var factor = e.isTouchEvent ? 0.02 : 0.1;
(g.zoom-=factor) < 0.5 && (g.zoom = 0.5);
g.container[0].style.webkitTransform = 'scale('+g.zoom+')';
g.container[0].style.transform = 'scale('+g.zoom+')';
})
;
}
gallery.prototype.getSlide = function(id){
return this.slides[id];
};
gallery.prototype.goNext=function(){
var g=this,next = g.currentSlide+1;
if( next > g.lastSlideId){
next = 0;
}
if( $.fn.animate ){
g.getSlide(g.currentSlide).animate({left:'-'+g.width},500);
(! g.draggable) && g.getSlide(next).css('left',g.width);
g.getSlide(next).animate({left:0},500);
}else{
(function(cur,next){
(! g.draggable) && next.setAttribute('style','left:'+g.width);
setTimeout(function(){
next.setAttribute('style','left:0; -webkit-transition: left 500ms linear');
cur.setAttribute('style','left:-'+g.width+'; -webkit-transition: left 500ms linear');
},0);
})(g.getSlide(g.currentSlide)[0],g.getSlide(next)[0]);
}
g.currentSlide=next;
};
gallery.prototype.goPrev=function(){
var g=this, next = g.currentSlide-1;
if( next < 0 ){
next = g.lastSlideId;
}
if( $.fn.animate ){
g.getSlide(g.currentSlide).animate({left:g.width},500);
(! g.draggable) && g.getSlide(next).css('left','-'+g.width);
g.getSlide(next).animate({left:0},500);
}else{
(function(cur,next){
(! g.draggable) && next.setAttribute('style','left:-'+g.width);
setTimeout(function(){
next.setAttribute('style','left:0; -webkit-transition: left 500ms linear');
cur.setAttribute('style','left:'+g.width+'; -webkit-transition: left 500ms linear');
},0);
})(g.getSlide(g.currentSlide)[0],g.getSlide(next)[0]);
}
g.currentSlide=next;
};
gallery('#galleryTest',false);
gallery('#galleryTest2',true);
</script>
</body>
</html>
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