(function($){$.fn.simplyScroll=function(o){return this.each(function(){new $.simplyScroll(this,o);});};var defaults={className:'simply-scroll',frameRate:24,speed:1,horizontal:true,autoMode:'off',pauseOnHover:true,startOnLoad:false,localJsonSource:'',flickrFeed:'',jsonImgWidth:160,jsonImgHeight:30};$.simplyScroll=function(el,o){var self=this;this.o=$.extend({},defaults,o||{});this.auto=this.o.autoMode!=="off"?true:false;this.$list=$(el);this.$list.addClass('simply-scroll-list').wrap('<div class="simply-scroll-clip"></div>').parent().wrap('<div class="'+this.o.className+' simply-scroll-container"></div>');if(!this.o.auto){this.$list.parent().parent().prepend('<div class="simply-scroll-forward"></div>').prepend('<div class="simply-scroll-back"></div>');}
if(this.o.flickrFeed){$.getJSON(this.o.flickrFeed+"&format=json&jsoncallback=?",function(data){json=[];$.each(data.items,function(i,item){json.push({"src":item.media.m,"title":item.title,"link":item.link});});self.renderData(json);});}else if(this.o.localJsonSource){$.getJSON(this.o.localJsonSource,function(json){self.renderData(json);});}else{if(!this.o.startOnLoad){this.init();}else{$(window).load(function(){self.init();});}}};$.simplyScroll.fn=$.simplyScroll.prototype={};$.simplyScroll.fn.extend=$.simplyScroll.extend=$.extend;$.simplyScroll.fn.extend({init:function(){this.$items=this.$list.children();this.$clip=this.$list.parent();this.$container=this.$clip.parent();if(!this.o.horizontal){this.itemMax=this.$items.eq(0).outerHeight(true);this.clipMax=this.$clip.height();this.dimension='height';this.moveBackClass='simply-scroll-btn-up';this.moveForwardClass='simply-scroll-btn-down';}else{this.itemMax=this.$items.eq(0).outerWidth(true);this.clipMax=this.$clip.width();this.dimension='width';this.moveBackClass='simply-scroll-btn-left';this.moveForwardClass='simply-scroll-btn-right';}
this.posMin=0;this.posMax=this.$items.length*this.itemMax;this.$list.css(this.dimension,this.posMax+'px');if(this.o.autoMode=='loop'){var addItems=Math.ceil(this.clipMax/this.itemMax);this.$items.slice(0,addItems).clone(true).appendTo(this.$list);this.posMax+=(this.clipMax-this.o.speed);this.$list.css(this.dimension,this.posMax+(this.itemMax*addItems)+'px');}
this.interval=null;this.intervalDelay=Math.floor(1000/this.o.frameRate);while(this.itemMax%this.o.speed!==0){this.o.speed--;if(this.o.speed===0){this.o.speed=1;break;}}
var self=this;this.trigger=null;this.funcMoveBack=function(){self.trigger=this;self.moveBack();};this.funcMoveForward=function(){self.trigger=this;self.moveForward();};this.funcMoveStop=function(){self.moveStop();};this.funcMoveResume=function(){self.moveResume();};if(this.auto){if(this.o.pauseOnHover){this.$clip.hover(this.funcMoveStop,this.funcMoveResume);}
this.moveForward();}else{this.$btnBack=$('.simply-scroll-back',this.$container).addClass('simply-scroll-btn'+' '+this.moveBackClass+' '+'disabled').hover(this.funcMoveBack,this.funcMoveStop);this.$btnForward=$('.simply-scroll-forward',this.$container).addClass('simply-scroll-btn'+' '+this.moveForwardClass).hover(this.funcMoveForward,this.funcMoveStop);}},moveForward:function(){var self=this;this.movement='forward';if(this.trigger!==null){this.$btnBack.removeClass('disabled');}
self.interval=setInterval(function(){if(!self.o.horizontal&&self.$clip[0].scrollTop<(self.posMax-self.clipMax)){self.$clip[0].scrollTop+=self.o.speed;}else if(self.o.horizontal&&self.$clip[0].scrollLeft<(self.posMax-self.clipMax)){self.$clip[0].scrollLeft+=self.o.speed;}else if(self.o.autoMode=='loop'){self.resetPos();}else{self.moveStop(self.movement);}},self.intervalDelay);},moveBack:function(){var self=this;this.movement='back';if(this.trigger!==null){this.$btnForward.removeClass('disabled');}
self.interval=setInterval(function(){if(!self.o.horizontal&&self.$clip[0].scrollTop>0){self.$clip[0].scrollTop-=self.o.speed;}else if(self.o.horizontal&&self.$clip[0].scrollLeft>0){self.$clip[0].scrollLeft-=self.o.speed;}else if(self.o.autoMode=='loop'){self.resetPos();}else{self.moveStop(self.movement);}},self.intervalDelay);},moveStop:function(moveDir){clearInterval(this.interval);if(this.trigger!==null){if(typeof moveDir!="undefined"){$(this.trigger).addClass('disabled');}
this.trigger=null;}
if(this.auto){if(this.o.autoMode=='bounce'){moveDir=='forward'?this.moveBack():this.moveForward();}}},moveResume:function(){this.movement=='forward'?this.moveForward():this.moveBack();},resetPos:function(){if(!this.o.horizontal){this.$clip[0].scrollTop=0;}else{this.$clip[0].scrollLeft=0;}},renderData:function(json){if(json.length>0){var self=this;$.each(json,function(i,item){$("<img/>").attr({src:item.src,title:item.title,alt:item.title,width:self.o.jsonImgWidth,height:self.o.jsonImgHeight}).appendTo(self.$list);});this.init();}}});})(jQuery);