jquery.serialScroll.min.js

/**
 * Copyright (c) 2007 Ariel Flesler - aflesler<a>gmail<d>com | https://github.com/flesler
 * Licensed under MIT.
 * @author Ariel Flesler
 * @version 1.3.2
 */
;(function($){var NAMESPACE='.serialScroll';var $serialScroll=$.serialScroll=function(settings){return $(window).serialScroll(settings)};$serialScroll.defaults={duration:1000,axis:'x',event:'click',start:0,step:1,lock:true,cycle:true,constant:true };function isNumeric(obj){var type=typeof obj;return(type==='number'||type==='string')&&!isNaN(obj-parseFloat(obj))}$.fn.serialScroll=function(options){return this.each(function(){var settings=$.extend({},$serialScroll.defaults,options),event=settings.event,step=settings.step,lazy=settings.lazy,context=settings.target?this:document,$pane=$(settings.target||this,context),pane=$pane[0],items=settings.items,active=settings.start,auto=settings.interval,nav=settings.navigation,timer;delete settings.step;delete settings.start;if(!pane){return}if(!lazy){items=getItems()}if(settings.force||auto){jump({},active)}$(settings.prev||[],context).on(event,-step,move);$(settings.next||[],context).on(event,step,move);if(!pane._bound_){$pane .on('prev'+NAMESPACE,-step,move).on('next'+NAMESPACE,step,move).on('goto'+NAMESPACE,jump)}if(auto){$pane.on('start'+NAMESPACE,function(e){if(!auto){clear();auto=true;next()}}).on('stop'+NAMESPACE,function(){clear();auto=false})}$pane.on('notify'+NAMESPACE,function(e,elem){var i=index(elem);if(i>-1){active=i}});pane._bound_=true;if(settings.jump){(lazy?$pane:getItems()).on(event,function(e){jump(e,index(e.target))})}if(nav){nav=$(nav,context).on(event,function(e){e.data=Math.round(getItems().length/nav.length)*nav.index(this);jump(e,this)})}function move(e){e.data+=active;jump(e,this)}function jump(e,pos){if(!isNumeric(pos)){pos=e.data}var n,real=e.type,$items=settings.exclude?getItems().slice(0,-settings.exclude):getItems(),limit=$items.length-1,elem=$items[pos],duration=settings.duration;if(real){e.preventDefault()}if(auto){clear();timer=setTimeout(next,settings.interval)}if(!elem){n=pos<0?0:limit;if(active!==n){pos=n;}else if(!settings.cycle){return;}else{pos=limit-n}elem=$items[pos]}if(!elem||settings.lock&&$pane.is(':animated')||real&&settings.onBefore&&settings.onBefore(e,elem,$pane,getItems(),pos)===false){return}if(settings.stop){$pane.stop(true)}if(settings.constant){duration=Math.abs(duration/step*(active-pos))}$pane.scrollTo(elem,duration,settings);trigger('notify',pos)}function next(){trigger('next')}function clear(){clearTimeout(timer)}function getItems(){return $(items,pane)}function trigger(event){$pane.trigger(event+NAMESPACE,[].slice.call(arguments,1))}function index(elem){if(isNumeric(elem)){return elem}var $items=getItems(),i;while((i=$items.index(elem))===-1&&elem!==pane){elem=elem.parentNode}return i}})}})(jQuery);