Template:SZU China/cbpSplitLayout/Javascript

/**

* cbpSplitLayout.js v1.0.0
* http://www.codrops.com
*
* Licensed under the MIT license.
* http://www.opensource.org/licenses/mit-license.php
* 
* Copyright 2013, Codrops
* http://www.codrops.com
*/ (function () {

   'use strict';

   // http://stackoverflow.com/a/11381730/989439

   function mobilecheck() {
       var check = false;
       (function (a) {
           if (
               /(android|ipad|playbook|silk|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i
               .test(a) ||
               /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i
               .test(a.substr(0, 4))) check = true
       })(navigator.userAgent || navigator.vendor || window.opera);
       return check;
   }

   var splitlayout = document.getElementById('splitlayout'),
       leftSide = splitlayout.querySelector('div.intro > div.side-left'),
       rightSide = splitlayout.querySelector('div.intro > div.side-right'),
       pageLeft = splitlayout.querySelector('div.page-left'),
       pageRight = splitlayout.querySelector('div.page-right'),
       eventtype = mobilecheck() ? 'touchstart' : 'click',
       transEndEventNames = {
           'WebkitTransition': 'webkitTransitionEnd',
           'MozTransition': 'transitionend',
           'OTransition': 'oTransitionEnd',
           'msTransition': 'MSTransitionEnd',
           'transition': 'transitionend'
       },
       transEndEventName = transEndEventNames[Modernizr.prefixed('transition')];

   function init() {
       if (mobilecheck()) {
           classie.add(splitlayout, 'mobile-layout');
       }
       classie.add(splitlayout, 'reset-layout');

       leftSide.querySelector('div.intro-content').addEventListener(eventtype, function (ev) {
           reset();
           classie.add(splitlayout, 'open-left');
       });

       rightSide.querySelector('div.intro-content').addEventListener(eventtype, function (ev) {
           reset();
           classie.add(splitlayout, 'open-right');
       });

       // back to intro
       // after transition ends:
       var onEndTransFn = function () {
           this.removeEventListener(transEndEventName, onEndTransFn);
           classie.add(splitlayout, 'reset-layout');
           document.body.scrollTop = document.documentElement.scrollTop = 0;
       },
           backToIntro = function (ev) {
               ev.preventDefault();
               ev.stopPropagation();
               var dir = classie.has(ev.target, 'back-right') ? 'left' : 'right',
                   page = dir === 'right' ? pageRight : pageLeft;
               classie.remove(splitlayout, 'open-' + dir);
               classie.add(splitlayout, 'close-' + dir);
               page.addEventListener(transEndEventName, onEndTransFn);
           };

       splitlayout.querySelector('a.back-left').addEventListener(eventtype, backToIntro);
       splitlayout.querySelector('a.back-right').addEventListener(eventtype, backToIntro);
   }

   function reset() {
       classie.remove(splitlayout, 'close-right');
       classie.remove(splitlayout, 'close-left');
       classie.remove(splitlayout, 'reset-layout');
   }

   init();

})();