circles.min.js

/**
 * circles - v0.0.6 - 2015-11-27
 *
 * Copyright (c) 2015 lugolabs
 * Licensed 
 */
!function(a,b){"object"==typeof exports?module.exports=b():"function"==typeof define&&define.amd?define([],b):a.Circles=b()}(this,function(){"use strict";var a=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(a){setTimeout(a,1e3/60)},b=function(a){var b=a.id;if(this._el=document.getElementById(b),null!==this._el){this._radius=a.radius||10,this._duration=void 0===a.duration?500:a.duration,this._value=0,this._maxValue=a.maxValue||100,this._text=void 0===a.text?function(a){return this.htmlifyNumber(a)}:a.text,this._strokeWidth=a.width||10,this._colors=a.colors||["#EEE","#F00"],this._svg=null,this._movingPath=null,this._wrapContainer=null,this._textContainer=null,this._wrpClass=a.wrpClass||"circles-wrp",this._textClass=a.textClass||"circles-text",this._valClass=a.valueStrokeClass||"circles-valueStroke",this._maxValClass=a.maxValueStrokeClass||"circles-maxValueStroke",this._styleWrapper=a.styleWrapper===!1?!1:!0,this._styleText=a.styleText===!1?!1:!0;var c=Math.PI/180*270;this._start=-Math.PI/180*90,this._startPrecise=this._precise(this._start),this._circ=c-this._start,this._generate().update(a.value||0)}};return b.prototype={VERSION:"0.0.6",_generate:function(){return this._svgSize=2*this._radius,this._radiusAdjusted=this._radius-this._strokeWidth/2,this._generateSvg()._generateText()._generateWrapper(),this._el.innerHTML="",this._el.appendChild(this._wrapContainer),this},_setPercentage:function(a){this._movingPath.setAttribute("d",this._calculatePath(a,!0)),this._textContainer.innerHTML=this._getText(this.getValueFromPercent(a))},_generateWrapper:function(){return this._wrapContainer=document.createElement("div"),this._wrapContainer.className=this._wrpClass,this._styleWrapper&&(this._wrapContainer.style.position="relative",this._wrapContainer.style.display="inline-block"),this._wrapContainer.appendChild(this._svg),this._wrapContainer.appendChild(this._textContainer),this},_generateText:function(){if(this._textContainer=document.createElement("div"),this._textContainer.className=this._textClass,this._styleText){var a={position:"absolute",top:0,left:0,textAlign:"center",width:"100%",fontSize:.7*this._radius+"px",height:this._svgSize+"px",lineHeight:this._svgSize+"px"};for(var b in a)this._textContainer.style[b]=a[b]}return this._textContainer.innerHTML=this._getText(0),this},_getText:function(a){return this._text?(void 0===a&&(a=this._value),a=parseFloat(a.toFixed(2)),"function"==typeof this._text?this._text.call(this,a):this._text):""},_generateSvg:function(){return this._svg=document.createElementNS("http://www.w3.org/2000/svg","svg"),this._svg.setAttribute("xmlns","http://www.w3.org/2000/svg"),this._svg.setAttribute("width",this._svgSize),this._svg.setAttribute("height",this._svgSize),this._generatePath(100,!1,this._colors[0],this._maxValClass)._generatePath(1,!0,this._colors[1],this._valClass),this._movingPath=this._svg.getElementsByTagName("path")[1],this},_generatePath:function(a,b,c,d){var e=document.createElementNS("http://www.w3.org/2000/svg","path");return e.setAttribute("fill","transparent"),e.setAttribute("stroke",c),e.setAttribute("stroke-width",this._strokeWidth),e.setAttribute("d",this._calculatePath(a,b)),e.setAttribute("class",d),this._svg.appendChild(e),this},_calculatePath:function(a,b){var c=this._start+a/100*this._circ,d=this._precise(c);return this._arc(d,b)},_arc:function(a,b){var c=a-.001,d=a-this._startPrecise<Math.PI?0:1;return["M",this._radius+this._radiusAdjusted*Math.cos(this._startPrecise),this._radius+this._radiusAdjusted*Math.sin(this._startPrecise),"A",this._radiusAdjusted,this._radiusAdjusted,0,d,1,this._radius+this._radiusAdjusted*Math.cos(c),this._radius+this._radiusAdjusted*Math.sin(c),b?"":"Z"].join(" ")},_precise:function(a){return Math.round(1e3*a)/1e3},htmlifyNumber:function(a,b,c){b=b||"circles-integer",c=c||"circles-decimals";var d=(a+"").split("."),e='<span class="'+b+'">'+d[0]+"</span>";return d.length>1&&(e+='.<span class="'+c+'">'+d[1].substring(0,2)+"</span>"),e},updateRadius:function(a){return this._radius=a,this._generate().update(!0)},updateWidth:function(a){return this._strokeWidth=a,this._generate().update(!0)},updateColors:function(a){this._colors=a;var b=this._svg.getElementsByTagName("path");return b[0].setAttribute("stroke",a[0]),b[1].setAttribute("stroke",a[1]),this},getPercent:function(){return 100*this._value/this._maxValue},getValueFromPercent:function(a){return this._maxValue*a/100},getValue:function(){return this._value},getMaxValue:function(){return this._maxValue},update:function(b,c){if(b===!0)return this._setPercentage(this.getPercent()),this;if(this._value==b||isNaN(b))return this;void 0===c&&(c=this._duration);var d,e,f,g,h=this,i=h.getPercent(),j=1;return this._value=Math.min(this._maxValue,Math.max(0,b)),c?(d=h.getPercent(),e=d>i,j+=d%1,f=Math.floor(Math.abs(d-i)/j),g=c/f,function k(b){if(e?i+=j:i-=j,e&&i>=d||!e&&d>=i)return void a(function(){h._setPercentage(d)});a(function(){h._setPercentage(i)});var c=Date.now(),f=c-b;f>=g?k(c):setTimeout(function(){k(Date.now())},g-f)}(Date.now()),this):(this._setPercentage(this.getPercent()),this)}},b.create=function(a){return new b(a)},b});