var SpinningWheel={cellHeight:44,friction:0.003,slotData:[],handleEvent:function(e){if(e.type=="touchstart"){this.lockScreen(e);if(e.currentTarget.id=="sw-cancel"||e.currentTarget.id=="sw-done"){this.tapDown(e)}else{if(e.currentTarget.id=="sw-frame"){this.scrollStart(e)}}}else{if(e.type=="touchmove"){this.lockScreen(e);if(e.currentTarget.id=="sw-cancel"||e.currentTarget.id=="sw-done"){this.tapCancel(e)}else{if(e.currentTarget.id=="sw-frame"){this.scrollMove(e)}}}else{if(e.type=="touchend"){if(e.currentTarget.id=="sw-cancel"||e.currentTarget.id=="sw-done"){this.tapUp(e)}else{if(e.currentTarget.id=="sw-frame"){this.scrollEnd(e)}}}else{if(e.type=="webkitTransitionEnd"){if(e.target.id=="sw-wrapper"){this.destroy()}else{this.backWithinBoundaries(e)}}else{if(e.type=="orientationchange"){this.onOrientationChange(e)}else{if(e.type=="scroll"){this.onScroll(e)}}}}}}},onOrientationChange:function(e){window.scrollTo(0,0);this.swWrapper.style.top=window.innerHeight+window.pageYOffset+"px";this.calculateSlotsWidth()},onScroll:function(e){this.swWrapper.style.top=window.innerHeight+window.pageYOffset+"px"},lockScreen:function(e){e.preventDefault();e.stopPropagation()},reset:function(){this.slotEl=[];this.activeSlot=null;this.swWrapper=undefined;this.swSlotWrapper=undefined;this.swSlots=undefined;this.swFrame=undefined},calculateSlotsWidth:function(){var div=this.swSlots.getElementsByTagName("div");for(var i=0;i<div.length;i+=1){this.slotEl[i].slotWidth=div[i].offsetWidth}},create:function(){var i,l,out,ul,div;this.reset();div=document.createElement("div");div.id="sw-wrapper";div.style.top=window.innerHeight+window.pageYOffset+"px";div.style.webkitTransitionProperty="-webkit-transform";div.innerHTML='<div id="sw-header"><div id="sw-cancel">Cancel</div><div id="sw-done">Done</div></div><div id="sw-slots-wrapper"><div id="sw-slots"></div></div><div id="sw-frame"></div>';document.body.appendChild(div);this.swWrapper=div;this.swSlotWrapper=document.getElementById("sw-slots-wrapper");this.swSlots=document.getElementById("sw-slots");this.swFrame=document.getElementById("sw-frame");for(l=0;l<this.slotData.length;l+=1){ul=document.createElement("ul");out="";for(i in this.slotData[l].values){out+="<li>"+this.slotData[l].values[i]+"</li>"}ul.innerHTML=out;div=document.createElement("div");div.className=this.slotData[l].style;div.appendChild(ul);this.swSlots.appendChild(div);ul.slotPosition=l;ul.slotYPosition=0;ul.slotWidth=0;ul.slotMaxScroll=this.swSlotWrapper.clientHeight-ul.clientHeight-86;ul.style.webkitTransitionTimingFunction="cubic-bezier(0, 0, 0.2, 1)";this.slotEl.push(ul);if(this.slotData[l].defaultValue){this.scrollToValue(l,this.slotData[l].defaultValue)}}this.calculateSlotsWidth();document.addEventListener("touchstart",this,false);document.addEventListener("touchmove",this,false);window.addEventListener("orientationchange",this,true);window.addEventListener("scroll",this,true);document.getElementById("sw-cancel").addEventListener("touchstart",this,false);document.getElementById("sw-done").addEventListener("touchstart",this,false);this.swFrame.addEventListener("touchstart",this,false)},open:function(){this.create();this.swWrapper.style.webkitTransitionTimingFunction="ease-out";this.swWrapper.style.webkitTransitionDuration="400ms";this.swWrapper.style.webkitTransform="translate3d(0, -260px, 0)"},destroy:function(){this.swWrapper.removeEventListener("webkitTransitionEnd",this,false);this.swFrame.removeEventListener("touchstart",this,false);document.getElementById("sw-cancel").removeEventListener("touchstart",this,false);document.getElementById("sw-done").removeEventListener("touchstart",this,false);document.removeEventListener("touchstart",this,false);document.removeEventListener("touchmove",this,false);window.removeEventListener("orientationchange",this,true);window.removeEventListener("scroll",this,true);this.slotData=[];this.cancelAction=function(){return false};this.cancelDone=function(){return true};this.reset();document.body.removeChild(document.getElementById("sw-wrapper"))},close:function(){this.swWrapper.style.webkitTransitionTimingFunction="ease-in";this.swWrapper.style.webkitTransitionDuration="400ms";this.swWrapper.style.webkitTransform="translate3d(0, 0, 0)";this.swWrapper.addEventListener("webkitTransitionEnd",this,false)},addSlot:function(values,style,defaultValue){if(!style){style=""}style=style.split(" ");for(var i=0;i<style.length;i+=1){style[i]="sw-"+style[i]}style=style.join(" ");var obj={values:values,style:style,defaultValue:defaultValue};this.slotData.push(obj)},getSelectedValues:function(){var index,count,i,l,keys=[],values=[];for(i in this.slotEl){this.slotEl[i].removeEventListener("webkitTransitionEnd",this,false);this.slotEl[i].style.webkitTransitionDuration="0";if(this.slotEl[i].slotYPosition>0){this.setPosition(i,0)}else{if(this.slotEl[i].slotYPosition<this.slotEl[i].slotMaxScroll){this.setPosition(i,this.slotEl[i].slotMaxScroll)}}index=-Math.round(this.slotEl[i].slotYPosition/this.cellHeight);count=0;for(l in this.slotData[i].values){if(count==index){keys.push(l);values.push(this.slotData[i].values[l]);break}count+=1}}return{keys:keys,values:values}},setPosition:function(slot,pos){this.slotEl[slot].slotYPosition=pos;this.slotEl[slot].style.webkitTransform="translate3d(0, "+pos+"px, 0)"},scrollStart:function(e){var xPos=e.targetTouches[0].clientX-this.swSlots.offsetLeft;var slot=0;for(var i=0;i<this.slotEl.length;i+=1){slot+=this.slotEl[i].slotWidth;if(xPos<slot){this.activeSlot=i;break}}if(this.slotData[this.activeSlot].style.match("readonly")){this.swFrame.removeEventListener("touchmove",this,false);this.swFrame.removeEventListener("touchend",this,false);return false}this.slotEl[this.activeSlot].removeEventListener("webkitTransitionEnd",this,false);this.slotEl[this.activeSlot].style.webkitTransitionDuration="0";var theTransform=window.getComputedStyle(this.slotEl[this.activeSlot]).webkitTransform;theTransform=new WebKitCSSMatrix(theTransform).m42;if(theTransform!=this.slotEl[this.activeSlot].slotYPosition){this.setPosition(this.activeSlot,theTransform)}this.startY=e.targetTouches[0].clientY;this.scrollStartY=this.slotEl[this.activeSlot].slotYPosition;this.scrollStartTime=e.timeStamp;this.swFrame.addEventListener("touchmove",this,false);this.swFrame.addEventListener("touchend",this,false);return true},scrollMove:function(e){var topDelta=e.targetTouches[0].clientY-this.startY;if(this.slotEl[this.activeSlot].slotYPosition>0||this.slotEl[this.activeSlot].slotYPosition<this.slotEl[this.activeSlot].slotMaxScroll){topDelta/=2}this.setPosition(this.activeSlot,this.slotEl[this.activeSlot].slotYPosition+topDelta);this.startY=e.targetTouches[0].clientY;if(e.timeStamp-this.scrollStartTime>80){this.scrollStartY=this.slotEl[this.activeSlot].slotYPosition;this.scrollStartTime=e.timeStamp}},scrollEnd:function(e){this.swFrame.removeEventListener("touchmove",this,false);this.swFrame.removeEventListener("touchend",this,false);if(this.slotEl[this.activeSlot].slotYPosition>0||this.slotEl[this.activeSlot].slotYPosition<this.slotEl[this.activeSlot].slotMaxScroll){this.scrollTo(this.activeSlot,this.slotEl[this.activeSlot].slotYPosition>0?0:this.slotEl[this.activeSlot].slotMaxScroll);return false}var scrollDistance=this.slotEl[this.activeSlot].slotYPosition-this.scrollStartY;if(scrollDistance<this.cellHeight/1.5&&scrollDistance>-this.cellHeight/1.5){if(this.slotEl[this.activeSlot].slotYPosition%this.cellHeight){this.scrollTo(this.activeSlot,Math.round(this.slotEl[this.activeSlot].slotYPosition/this.cellHeight)*this.cellHeight,"100ms")}return false}var scrollDuration=e.timeStamp-this.scrollStartTime;var newDuration=(2*scrollDistance/scrollDuration)/this.friction;var newScrollDistance=(this.friction/2)*(newDuration*newDuration);if(newDuration<0){newDuration=-newDuration;newScrollDistance=-newScrollDistance}var newPosition=this.slotEl[this.activeSlot].slotYPosition+newScrollDistance;if(newPosition>0){newPosition/=2;newDuration/=3;if(newPosition>this.swSlotWrapper.clientHeight/4){newPosition=this.swSlotWrapper.clientHeight/4}}else{if(newPosition<this.slotEl[this.activeSlot].slotMaxScroll){newPosition=(newPosition-this.slotEl[this.activeSlot].slotMaxScroll)/2+this.slotEl[this.activeSlot].slotMaxScroll;newDuration/=3;if(newPosition<this.slotEl[this.activeSlot].slotMaxScroll-this.swSlotWrapper.clientHeight/4){newPosition=this.slotEl[this.activeSlot].slotMaxScroll-this.swSlotWrapper.clientHeight/4}}else{newPosition=Math.round(newPosition/this.cellHeight)*this.cellHeight}}this.scrollTo(this.activeSlot,Math.round(newPosition),Math.round(newDuration)+"ms");return true},scrollTo:function(slotNum,dest,runtime){this.slotEl[slotNum].style.webkitTransitionDuration=runtime?runtime:"100ms";this.setPosition(slotNum,dest?dest:0);if(this.slotEl[slotNum].slotYPosition>0||this.slotEl[slotNum].slotYPosition<this.slotEl[slotNum].slotMaxScroll){this.slotEl[slotNum].addEventListener("webkitTransitionEnd",this,false)}},scrollToValue:function(slot,value){var yPos,count,i;this.slotEl[slot].removeEventListener("webkitTransitionEnd",this,false);this.slotEl[slot].style.webkitTransitionDuration="0";count=0;for(i in this.slotData[slot].values){if(i==value){yPos=count*this.cellHeight;this.setPosition(slot,yPos);break}count-=1}},backWithinBoundaries:function(e){e.target.removeEventListener("webkitTransitionEnd",this,false);this.scrollTo(e.target.slotPosition,e.target.slotYPosition>0?0:e.target.slotMaxScroll,"150ms");return false},tapDown:function(e){e.currentTarget.addEventListener("touchmove",this,false);e.currentTarget.addEventListener("touchend",this,false);e.currentTarget.className="sw-pressed"},tapCancel:function(e){e.currentTarget.removeEventListener("touchmove",this,false);e.currentTarget.removeEventListener("touchend",this,false);e.currentTarget.className=""},tapUp:function(e){this.tapCancel(e);if(e.currentTarget.id=="sw-cancel"){this.cancelAction()}else{this.doneAction()}this.close()},setCancelAction:function(action){this.cancelAction=action},setDoneAction:function(action){this.doneAction=action},cancelAction:function(){return false},cancelDone:function(){return true}};