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vue-touch-slider.js
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vue-touch-slider.js
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;(function () {
var vueTouchSlider = {}
vueTouchSlider.install = function (Vue) {
var isInited = false
Vue.directive('touch-slider', {
bind : function(){
var slider = document.querySelector('#vue-touch-slider');
if(slider){
slider.parentNode.removeChild(slider)
isInited = false
}
},
update : function(v){
if(v && !isInited){
isInited = false
var self = this;
var getSingle = function (fn) {
var result;
return function () {
return result || (result = fn.apply(this, arguments))
}
}
setTimeout(function(){
var createSingleSliderLayer = getSingle(createSliderLayer),
images = self.el.getElementsByTagName('img');
for (var j = 0, length = images.length; j < length; j++) {
images[j].addEventListener('click', (function (j) {
return function () {
var sliderLayer = createSingleSliderLayer(images);
sliderLayer.goIndex(j);
if (sliderLayer.container.style.display == 'none') {
sliderLayer.container.className = 'animated fadeIn';
sliderLayer.container.style.display = 'block';
}
}
})(j), false)
}
function createSliderLayer(images) {
function Slider() {
this.init();
this.renderDOM();
this.bindDOM();
}
Slider.prototype.init = function () {
this.container = document.createElement('div');
this.container.id = 'vue-touch-slider';
this.container.className = 'animated fadeIn';
this.container.innerHTML =
'<style>' +
'#vue-touch-slider{height: 100%;width: 100%;position:fixed;top:0px;background:black;z-index:100}\n' +
'#vue-touch-slider .vue-touch-slider-li,#vue-touch-slider .vue-touch-slider-ul{list-style: none;margin: 0;padding: 0;height: 100%;overflow: hidden;}\n' +
'#vue-touch-slider .vue-touch-slider-li{background:black;position: absolute;display: -webkit-box;-webkit-box-pack: center;-webkit-box-align: center;}\n' +
'#vue-touch-slider .vue-touch-slider-li:last-child{padding-right:600px}\n' +
'#vue-touch-slider .vue-touch-slider-li img {max-width: 100%;max-height: 100%;}\n' +
'#vue-touch-slider #vue-touch-slider-head {position:absolute;width:100%;z-index:11;color:white;text-align:center}\n' +
'#vue-touch-slider #vue-touch-slider-count {color:white;text-align:center}\n\r' +
'.animated {-webkit-animation-duration:.45s;animation-duration:.45s;-webkit-animation-fill-mode:both;animation-fill-mode: both;}\n' +
'.fadeIn {-webkit-animation-name: fadeIn;animation-name:fadeIn;}\n' +
'@-webkit-keyframes fadeIn{from{opacity:0;}to{opacity: 1;}}@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}\n' +
'.fadeOut {-webkit-animation-name:fadeOut;animation-name:fadeOut;}\n' +
'@-webkit-keyframes fadeOut{from{opacity:1;}to{opacity:0;}}@keyframes fadeOut{from {opacity:1;}to{opacity:0;}}\n' +
'</style>';
document.body.appendChild(this.container);
this.radio = window.innerHeight / window.innerWidth;
this.deviceW = window.innerWidth;
this.deviceH = window.innerHeight;
this.index = 0;
this.images = images;
};
Slider.prototype.renderDOM = function () {
var container = this.container, self = this;
this.ul = document.createElement('ul');
this.ul.className = 'vue-touch-slider-ul';
this.head = document.createElement('div');
this.count = document.createElement('span');
this.head.id = 'vue-touch-slider-head';
this.count.id = 'vue-touch-slider-count';
this.head.appendChild(this.count);
this.container.appendChild(this.head);
for (var i = 0; i < this.images.length; i++) {
var li = document.createElement('li');
li.style.width = this.deviceW + 'px';
li.className += 'vue-touch-slider-li';
var imageObj = new Image();
imageObj.src = this.images[i].src;
(function (li) {
imageObj.onload = function () {
if (this.height / this.width > self.radio) {
li.innerHTML += '<img height = ' + self.deviceH + ' src="' + this.src + '">'
} else {
li.innerHTML += '<img width = ' + self.deviceW + ' src="' + this.src + '">'
}
};
})(li);
this.ul.appendChild(li);
}
this.ul.style.cssText = 'width:' + this.deviceW + 'px';
container.style.height = this.deviceH + 'px';
container.appendChild(this.ul);
};
Slider.prototype.goIndex = function (n) {
var go,
li = this.ul.getElementsByTagName('li'),
len = li.length;
if (typeof n == 'number') {
go = n;
for (var i = 0; i < li.length; i++) {
li[i].style.webkitTransform = 'translate3d(' + i * this.deviceW + 'px, 0, 0)';
}
this.container.style.height = window.innerHeight + 'px';
} else if (typeof n == 'string') {
go = this.index + n * 1;
}
if (go > len - 1) {
go = len - 1;
} else if (go < 0) {
go = 0;
}
li[go].style.webkitTransition = '-webkit-transform 0.2s ease-out';
li[go - 1] && (li[go - 1].style.webkitTransition = '-webkit-transform 0.2s ease-out');
li[go + 1] && (li[go + 1].style.webkitTransition = '-webkit-transform 0.2s ease-out');
li[go].style.webkitTransform = 'translate3d(0, 0, 0)';
li[go - 1] && (li[go - 1].style.webkitTransform = 'translate3d(-' + this.deviceW + 'px, 0, 0)');
li[go + 1] && (li[go + 1].style.webkitTransform = 'translate3d(' + this.deviceW + 'px, 0, 0)');
this.index = go;
this.count.innerHTML = (go + 1) + '/' + len;
};
Slider.prototype.bindDOM = function () {
var self = this,
ul = self.ul,
li = ul.getElementsByTagName('li');
var startHandler = function (evt) {
var target = evt.target;
self.startTime = new Date() * 1;
self.startX = evt.touches[0].pageX;
self.offsetX = 0;
while (target.nodeName != 'LI' && target.nodeName != 'BODY') {
target = target.parentNode;
}
self.target = target;
};
var moveHandler = function (evt) {
evt.preventDefault();
self.offsetX = evt.targetTouches[0].pageX - self.startX;
var i = self.index - 1,
m = i + 3;
for (i; i < m; i++) {
li[i] && (li[i].style.webkitTransition = '-webkit-transform 0s ease-out');
li[i] && (li[i].style.webkitTransform = 'translate3d(' + ((i - self.index) * self.deviceW + self.offsetX) + 'px, 0, 0)');
}
};
var endHandler = function () {
var boundary = self.deviceW / 6,
endTime = new Date() * 1;
if (endTime - self.startTime > 300) {
if (self.offsetX >= boundary) {
self.goIndex('-1');
} else if (self.offsetX < 0 && self.offsetX < -boundary) {
self.goIndex('+1');
} else {
self.goIndex('0');
}
} else {
if (self.offsetX > 50) {
self.goIndex('-1');
} else if (self.offsetX < -50) {
self.goIndex('+1');
} else {
self.goIndex('0');
}
}
};
ul.addEventListener('touchstart', startHandler);
ul.addEventListener('touchmove', moveHandler);
ul.addEventListener('touchend', endHandler);
document.body.appendChild(this.container);
this.container.onclick = function () {
var _this = this;
this.className = 'animated fadeOut';
setTimeout(function () {
_this.style.display = 'none';
}, 450)
}
};
return new Slider;
}
},0)
}
}
})
}
if (typeof exports == "object") {
module.exports = vueTouchSlider
} else if (typeof define == "function" && define.amd) {
define([], function(){ return vueTouchSlider })
} else if (window.Vue) {
window.vueTouchSlider = vueTouchSlider
Vue.use(vueTouchSlider)
}
})()