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11 lines
8.5 KiB
11 lines
8.5 KiB
/*!
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* @license
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* chartjs-plugin-datalabels
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* http://chartjs.org/
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* Version: 0.3.0
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*
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* Copyright 2018 Chart.js Contributors
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* Released under the MIT license
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* https://github.com/chartjs/chartjs-plugin-datalabels/blob/master/LICENSE.md
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*/
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(require("chart.js")):"function"==typeof define&&define.amd?define(["chart.js"],e):e(t.Chart)}(this,function(l){"use strict";var t=(l=l&&l.hasOwnProperty("default")?l.default:l).helpers,i=function(){this._rect=null,this._rotation=0};t.extend(i.prototype,{update:function(t,e,n){var a=t.x,r=t.y,i=a+e.x,o=r+e.y;this._rotation=n,this._rect={x0:i-1,y0:o-1,x1:i+e.w+2,y1:o+e.h+2,cx:a,cy:r}},contains:function(t,e){var n,a,r,i,o,l=this._rect;return!!l&&(n=l.cx,a=l.cy,r=this._rotation,i=n+(t-n)*Math.cos(r)+(e-a)*Math.sin(r),o=a-(t-n)*Math.sin(r)+(e-a)*Math.cos(r),!(i<l.x0||o<l.y0||i>l.x1||o>l.y1))}});var r=l.helpers,g={toTextLines:function(t){var e,n=[];for(t=[].concat(t);t.length;)"string"==typeof(e=t.pop())?n.unshift.apply(n,e.split("\n")):Array.isArray(e)?t.push.apply(t,e):r.isNullOrUndef(t)||n.unshift(""+e);return n},toFontString:function(t){return!t||r.isNullOrUndef(t.size)||r.isNullOrUndef(t.family)?null:(t.style?t.style+" ":"")+(t.weight?t.weight+" ":"")+t.size+"px "+t.family},textSize:function(t,e,n){var a,r=[].concat(e),i=r.length,o=t.font,l=0;for(t.font=n.string,a=0;a<i;++a)l=Math.max(t.measureText(r[a]).width,l);return t.font=o,{height:i*n.lineHeight,width:l}},parseFont:function(t){var e=l.defaults.global,n=r.valueOrDefault(t.size,e.defaultFontSize),a={family:r.valueOrDefault(t.family,e.defaultFontFamily),lineHeight:r.options.toLineHeight(t.lineHeight,n),size:n,style:r.valueOrDefault(t.style,e.defaultFontStyle),weight:r.valueOrDefault(t.weight,null),string:""};return a.string=g.toFontString(a),a},bound:function(t,e,n){return Math.max(t,Math.min(e,n))},arrayDiff:function(t,e){var n,a,r,i,o=t.slice(),l=[];for(n=0,r=e.length;n<r;++n)i=e[n],-1===(a=o.indexOf(i))?l.push([i,1]):o.splice(a,1);for(n=0,r=o.length;n<r;++n)l.push([o[n],-1]);return l}};function u(t,e){var n=e.x,a=e.y;if(null===n)return{x:0,y:-1};if(null===a)return{x:1,y:0};var r=t.x-n,i=t.y-a,o=Math.sqrt(r*r+i*i);return{x:o?r/o:0,y:o?i/o:-1}}function d(t,e,n,a,r){switch(r){case"center":n=a=0;break;case"bottom":n=0,a=1;break;case"right":n=1,a=0;break;case"left":n=-1,a=0;break;case"top":n=0,a=-1;break;case"start":n=-n,a=-a;break;case"end":break;default:r*=Math.PI/180,n=Math.cos(r),a=Math.sin(r)}return{x:t,y:e,vx:n,vy:a}}var s={arc:function(t,e,n){var a,r=(t.startAngle+t.endAngle)/2,i=Math.cos(r),o=Math.sin(r),l=t.innerRadius,s=t.outerRadius;return a="start"===e?l:"end"===e?s:(l+s)/2,d(t.x+i*a,t.y+o*a,i,o,n)},point:function(t,e,n,a){var r=u(t,a),i=t.radius,o=0;return"start"===e?o=-i:"end"===e&&(o=i),d(t.x+r.x*o,t.y+r.y*o,r.x,r.y,n)},rect:function(t,e,n,a){var r=t.horizontal,i=Math.abs(t.base-(r?t.x:t.y)),o=r?Math.min(t.x,t.base):t.x,l=r?t.y:Math.min(t.y,t.base),s=u(t,a);return"center"===e?r?o+=i/2:l+=i/2:"start"!==e||r?"end"===e&&r&&(o+=i):l+=i,d(o,l,s.x,s.y,n)},fallback:function(t,e,n,a){var r=u(t,a);return d(t.x,t.y,r.x,r.y,n)}},v=l.helpers;var b=function(t,e,n,a){var r=this;r._hitbox=new i,r._config=t,r._index=a,r._model=null,r._ctx=e,r._el=n};v.extend(b.prototype,{_modelize:function(t,e,n){var a,r=this._index,i=v.options.resolve,o=g.parseFont(i([e.font,{}],n,r));return{align:i([e.align,"center"],n,r),anchor:i([e.anchor,"center"],n,r),backgroundColor:i([e.backgroundColor,null],n,r),borderColor:i([e.borderColor,null],n,r),borderRadius:i([e.borderRadius,0],n,r),borderWidth:i([e.borderWidth,0],n,r),color:i([e.color,l.defaults.global.defaultFontColor],n,r),font:o,lines:t,offset:i([e.offset,0],n,r),opacity:i([e.opacity,1],n,r),origin:function(t){var e=t._model.horizontal,n=t._scale||e&&t._xScale||t._yScale;if(!n)return null;if(void 0!==n.xCenter&&void 0!==n.yCenter)return{x:n.xCenter,y:n.yCenter};var a=n.getBasePixel();return e?{x:a,y:null}:{x:null,y:a}}(this._el),padding:v.options.toPadding(i([e.padding,0],n,r)),positioner:(a=this._el,a instanceof l.elements.Arc?s.arc:a instanceof l.elements.Point?s.point:a instanceof l.elements.Rectangle?s.rect:s.fallback),rotation:i([e.rotation,0],n,r)*(Math.PI/180),size:g.textSize(this._ctx,t,o),textAlign:i([e.textAlign,"start"],n,r)}},update:function(t){var e,n,a,r=null,i=this._index,o=this._config;v.options.resolve([o.display,!0],t,i)&&(e=t.dataset.data[i],n=v.valueOrDefault(v.callback(o.formatter,[e,t]),e),r=(a=v.isNullOrUndef(n)?[]:g.toTextLines(n)).length?this._modelize(a,o,t):null),this._model=r},draw:function(t){var e,n,a,r,i,o,l,s,u,d,f,c,h,y,x=this._model;x&&x.opacity&&(a=x.size,r=x.padding,i=a.height,o=a.width,s=-i/2,e={frame:{x:(l=-o/2)-r.left,y:s-r.top,w:o+r.width,h:i+r.height},text:{x:l,y:s,w:o,h:i}},n=function(t,e,n){var a=e.positioner(t._view,e.anchor,e.align,e.origin),r=a.vx,i=a.vy;if(!r&&!i)return{x:a.x,y:a.y};var o=e.borderWidth||0,l=n.w+2*o,s=n.h+2*o,u=e.rotation,d=Math.abs(l/2*Math.cos(u))+Math.abs(s/2*Math.sin(u)),f=Math.abs(l/2*Math.sin(u))+Math.abs(s/2*Math.cos(u)),c=1/Math.max(Math.abs(r),Math.abs(i));return d*=r*c,f*=i*c,d+=e.offset*r,f+=e.offset*i,{x:a.x+d,y:a.y+f}}(this._el,x,e.frame),this._hitbox.update(n,e.frame,x.rotation),t.save(),t.globalAlpha=g.bound(0,x.opacity,1),t.translate(Math.round(n.x),Math.round(n.y)),t.rotate(x.rotation),u=t,d=e.frame,c=(f=x).backgroundColor,h=f.borderColor,y=f.borderWidth,(c||h&&y)&&(u.beginPath(),v.canvas.roundedRect(u,Math.round(d.x)-y/2,Math.round(d.y)-y/2,Math.round(d.w)+y,Math.round(d.h)+y,f.borderRadius),u.closePath(),c&&(u.fillStyle=c,u.fill()),h&&y&&(u.strokeStyle=h,u.lineWidth=y,u.lineJoin="miter",u.stroke())),function(t,e,n,a){var r,i,o,l=a.textAlign,s=a.font.lineHeight,u=a.color,d=e.length;if(d&&u)for(r=n.x,i=n.y+s/2,"center"===l?r+=n.w/2:"end"!==l&&"right"!==l||(r+=n.w),t.font=a.font.string,t.fillStyle=u,t.textAlign=l,t.textBaseline="middle",o=0;o<d;++o)t.fillText(e[o],Math.round(r),Math.round(i),Math.round(n.w)),i+=s}(t,x.lines,e.text,x),t.restore())},contains:function(t,e){return this._hitbox.contains(t,e)}});var o=l.helpers,e={align:"center",anchor:"center",backgroundColor:null,borderColor:null,borderRadius:0,borderWidth:0,color:void 0,display:!0,font:{family:void 0,lineHeight:1.2,size:void 0,style:void 0,weight:null},offset:4,opacity:1,padding:{top:4,right:4,bottom:4,left:4},rotation:0,textAlign:"start",formatter:function(t){if(o.isNullOrUndef(t))return null;var e,n,a,r=t;if(o.isObject(t))if(o.isNullOrUndef(t.label))if(o.isNullOrUndef(t.r))for(r="",a=0,n=(e=Object.keys(t)).length;a<n;++a)r+=(0!==a?", ":"")+e[a]+": "+t[e[a]];else r=t.r;else r=t.label;return""+r},listeners:{}},p=l.helpers,m="$datalabels";function a(t,e){var n,a,r=t.getDatasetMeta(e).data||[],i=r.length;for(n=0;n<i;++n)(a=r[n][m])&&a.draw(t.ctx)}function c(t,e,n){var a,r,i,o,l=t[m].labels;for(a=l.length-1;0<=a;--a)for(r=(i=l[a]||[]).length-1;0<=r;--r)if((o=i[r]).contains(e,n))return{dataset:a,label:o};return null}function h(t,e,n){var a=e&&e[n.dataset];if(a){var r=n.label,i=r.$context;!0===p.callback(a,[i])&&(t[m].dirty=!0,r.update(i))}}function f(t,e){var n,a,r=t[m],i=r.listeners;if(i.enter||i.leave){if("mousemove"===e.type)a=c(t,e.x,e.y);else if("mouseout"!==e.type)return;var o,l,s,u,d,f;n=r.hovered,r.hovered=a,o=t,l=i,u=a,((s=n)||u)&&(s?u?s.label!==u.label&&(f=d=!0):f=!0:d=!0,f&&h(o,l.leave,s),d&&h(o,l.enter,u))}}l.defaults.global.plugins.datalabels=e,l.defaults.global.plugins.datalabels=e,l.plugins.register({id:"datalabels",beforeInit:function(t){t[m]={actives:[]}},beforeUpdate:function(t){var e=t[m];e.listened=!1,e.listeners={},e.labels=[]},afterDatasetUpdate:function(t,a,e){var n,r,i,o,l,s=a.index,u=t[m],d=u.labels[s]=[],f=t.data.datasets[s],c=(n=e,!1===(r=f.datalabels)?null:(!0===r&&(r={}),p.merge({},[n,r]))),h=a.meta.data||[],y=h.length,x=t.ctx;for(x.save(),i=0;i<y;++i)!(o=h[i])||o.hidden||o._model.skip?l=null:(d.push(l=new b(c,x,o,i)),l.update(l.$context={active:!1,chart:t,dataIndex:i,dataset:f,datasetIndex:s})),o[m]=l;x.restore(),p.merge(u.listeners,c.listeners||{},{merger:function(t,e,n){e[t]=e[t]||{},e[t][a.index]=n[t],u.listened=!0}})},afterDatasetsDraw:function(t){for(var e=0,n=t.data.datasets.length;e<n;++e)a(t,e)},beforeEvent:function(t,e){if(t[m].listened)switch(e.type){case"mousemove":case"mouseout":f(t,e);break;case"click":a=e,r=(n=t)[m].listeners.click,(i=r&&c(n,a.x,a.y))&&h(n,r,i)}var n,a,r,i},afterEvent:function(t){var e,n,a,r,i=t[m],o=i.actives,l=i.actives=t.lastActive||[],s=g.arrayDiff(o,l);for(e=0,n=s.length;e<n;++e)(a=s[e])[1]&&((r=a[0][m]).$context.active=1===a[1],r.update(r.$context));!i.dirty&&!s.length||t.animating||t.render(),delete i.dirty}})}); |