vislite/lib/PieLayout/index.es.min.js

灵活、快速、简单的数据可视化交互式跨端前端库

function t(t,i){for(var e in t)i[e]=t[e];return i}function i(t,i,e,n,r){var o=Math.cos(e),a=Math.sin(e);return[(n-t)*o-(r-i)*a+t,(n-t)*a+(r-i)*o+i]}let e,n=[];var r=function(){function r(i){void 0===i&&(i={}),this.name="PieLayout",this.__option={cx:200,cy:200,radius:[50,100],duration:200},this.__hoverIndex=-1,this.__config=t(i,{name:function(t,i){return t.name},value:function(t,i){return t.value}})}return r.prototype.setOption=function(i){return t(i,this.__option),this},r.prototype.use=function(t,e){void 0===e&&(e=-1);for(var n={count:t.length,cx:this.__option.cx,cy:this.__option.cy,radius:this.__option.radius,hoverIndex:e,node:[]},r=0,o=[],a=[],s=0;s<t.length;s++)o[s]=this.__config.name(t[s],t),a[s]=this.__config.value(t[s],t),r+=a[s];var u,_=-.5*Math.PI;for(s=0;s<t.length;s++){u=a[s]/r*Math.PI*2;var h=[this.__option.radius[0]*(1+(this.__option.radius[0]>0&&e===s?-.1:0)),this.__option.radius[1]*(1+(e===s?.05:0))],c=_+.5*u,l=Math.max(this.__option.radius[0],this.__option.radius[1]),d=i(n.cx,n.cy,c,n.cx+l,n.cy),p=i(n.cx,n.cy,c,n.cx+l+15,n.cy),f=d[0]>n.cx?1:-1,v=[p[0]+20*f,p[1]],g=[p[0]+25*f,p[1]];n.node[s]={value:a[s],name:o[s],beginDeg:_,deg:u,isHover:e===s,radius:h,label:{line:[d,p,v],position:g,align:-1===f?"right":"left"}},_+=u}return n},r.prototype.bind=function(t,i){return this.__rback=i,this.__oralPie=t,this.__prePie=this.use(this.__oralPie,this.__hoverIndex),this.__rback(this.__prePie),this},r.prototype.unbind=function(){return this.__rback=function(){return null},this.__oralPie=null,this.__prePie=null,this.__hoverIndex=-1,this},r.prototype.setHover=function(t){return this.__prePie&&this.__hoverIndex!==t?(this.__hoverIndex=t,this.doUpdate(),this):this},r.prototype.doUpdate=function(){var t=this,i=this.use(this.__oralPie,this.__hoverIndex),r=JSON.parse(JSON.stringify(i));return function(t,i,r){arguments.length<2&&(i=400),arguments.length<3&&(r=function(){});let o={timer:function(t,i,e){if(!t)throw new Error("Tick is required!");let r=(new Date).valueOf()+"_"+(1e3*Math.random()).toFixed(0);return n.push({id:r,createTime:new Date,pauseTime:-1,pauseKeepTime:0,status:"running",tick:t,duration:i,callback:e}),o.start(),r},start:function(){if(!e)try{e=globalThis&&globalThis.requestAnimationFrame?globalThis.requestAnimationFrame((function t(){o.tick(),e&&(e=globalThis.requestAnimationFrame(t))})):setInterval(o.tick,13)}catch(t){e=setInterval(o.tick,13)}},tick:function(){let t,i,e,r,a,s,u,_=n;for(n=[],n.length=0,i=0;i<_.length;i++)a=_[i],t=a.createTime,e=a.tick,s=a.duration,r=a.callback,u=(+(new Date).valueOf()-t.valueOf()-a.pauseKeepTime)/s,u=u>1?1:u,"running"===a.status&&e(u),(u<1||"paused"===a.status)&&a.id?n.push(a):r(u);n.length<=0&&o.stop()},stop:function(){if(e){try{globalThis&&globalThis.requestAnimationFrame?globalThis.cancelAnimationFrame(e):clearInterval(e)}catch(t){clearInterval(e)}e=null}}},a=o.timer((function(i){t(i)}),i,r)}((function(e){if(t.__prePie)for(var n=0;n<r.count;n++)r.node[n].radius[0]=t.__prePie.node[n].radius[0]+(i.node[n].radius[0]-t.__prePie.node[n].radius[0])*e,r.node[n].radius[1]=t.__prePie.node[n].radius[1]+(i.node[n].radius[1]-t.__prePie.node[n].radius[1])*e;t.__rback(r)}),this.__option.duration,(function(){t.__prePie=i,t.__rback(t.__prePie)})),this},r}();export{r as default};