highcharts/modules/series-label.js

JavaScript charting framework

/*
 Highcharts JS v9.0.1 (2021-02-15)

 (c) 2009-2021 Torstein Honsi

 License: www.highcharts.com/license
*/
(function(m){"object"===typeof module&&module.exports?(m["default"]=m,module.exports=m):"function"===typeof define&&define.amd?define("highcharts/modules/series-label",["highcharts"],function(u){m(u);m.Highcharts=u;return m}):m("undefined"!==typeof Highcharts?Highcharts:void 0)})(function(m){function u(m,y,u,D){m.hasOwnProperty(y)||(m[y]=D.apply(null,u))}m=m?m._modules:{};u(m,"Extensions/SeriesLabel.js",[m["Core/Animation/AnimationUtilities.js"],m["Core/Chart/Chart.js"],m["Core/Series/Series.js"],
m["Core/Renderer/SVG/SVGRenderer.js"],m["Core/Utilities.js"]],function(m,u,C,D,w){function A(e,d,a,l,f,g){e=(g-d)*(a-e)-(l-d)*(f-e);return 0<e?!0:!(0>e)}function B(e,d,a,l,f,g,b,k){return A(e,d,f,g,b,k)!==A(a,l,f,g,b,k)&&A(e,d,a,l,f,g)!==A(e,d,a,l,b,k)}function y(e,d,a,l,f,g,b,k){return B(e,d,e+a,d,f,g,b,k)||B(e+a,d,e+a,d+l,f,g,b,k)||B(e,d+l,e+a,d+l,f,g,b,k)||B(e,d,e,d+l,f,g,b,k)}function G(e){if(this.renderer){var d=this,a=E(d.renderer.globalAnimation).duration;d.labelSeries=[];d.labelSeriesMaxSum=
0;w.clearTimeout(d.seriesLabelTimer);d.series.forEach(function(l){var f=l.options.label,g=l.labelBySeries,b=g&&g.closest;f.enabled&&l.visible&&(l.graph||l.area)&&!l.isSeriesBoosting&&(d.labelSeries.push(l),f.minFontSize&&f.maxFontSize&&(l.sum=l.yData.reduce(function(a,b){return(a||0)+(b||0)},0),d.labelSeriesMaxSum=Math.max(d.labelSeriesMaxSum,l.sum)),"load"===e.type&&(a=Math.max(a,E(l.options.animation).duration)),b&&("undefined"!==typeof b[0].plotX?g.animate({x:b[0].plotX+b[1],y:b[0].plotY+b[2]}):
g.attr({opacity:0})))});d.seriesLabelTimer=I(function(){d.series&&d.labelSeries&&d.drawSeriesLabels()},d.renderer.forExport||!a?0:a)}}var E=m.animObject;m=w.addEvent;var H=w.extend,J=w.fireEvent,K=w.format,F=w.isNumber,z=w.pick,L=w.setOptions,I=w.syncTimeout;"";L({plotOptions:{series:{label:{enabled:!0,connectorAllowed:!1,connectorNeighbourDistance:24,format:void 0,formatter:void 0,minFontSize:null,maxFontSize:null,onArea:null,style:{fontWeight:"bold"},boxesToAvoid:[]}}}});D.prototype.symbols.connector=
function(e,d,a,l,f){var g=f&&f.anchorX;f=f&&f.anchorY;var b=a/2;if(F(g)&&F(f)){var k=[["M",g,f]];var h=d-f;0>h&&(h=-l-h);h<a&&(b=g<e+a/2?h:a-h);f>d+l?k.push(["L",e+b,d+l]):f<d?k.push(["L",e+b,d]):g<e?k.push(["L",e,d+l/2]):g>e+a&&k.push(["L",e+a,d+l/2])}return k||[]};C.prototype.getPointsOnGraph=function(){function e(b){var c=Math.round(b.plotX/8)+","+Math.round(b.plotY/8);n[c]||(n[c]=1,a.push(b))}if(this.xAxis||this.yAxis){var d=this.points,a=[],l;var f=this.graph||this.area;var g=f.element;var b=
this.chart.inverted,k=this.xAxis;var h=this.yAxis;var m=b?h.pos:k.pos;b=b?k.pos:h.pos;k=z(this.options.label.onArea,!!this.area);var x=h.getThreshold(this.options.threshold),n={};if(this.getPointSpline&&g.getPointAtLength&&!k&&d.length<this.chart.plotSizeX/16){if(f.toD){var c=f.attr("d");f.attr({d:f.toD})}var v=g.getTotalLength();for(l=0;l<v;l+=16)h=g.getPointAtLength(l),e({chartX:m+h.x,chartY:b+h.y,plotX:h.x,plotY:h.y});c&&f.attr({d:c});h=d[d.length-1];h.chartX=m+h.plotX;h.chartY=b+h.plotY;e(h)}else for(v=
d.length,l=0;l<v;l+=1){h=d[l];c=d[l-1];h.chartX=m+h.plotX;h.chartY=b+h.plotY;k&&(h.chartCenterY=b+(h.plotY+z(h.yBottom,x))/2);if(0<l&&(f=Math.abs(h.chartX-c.chartX),g=Math.abs(h.chartY-c.chartY),f=Math.max(f,g),16<f))for(f=Math.ceil(f/16),g=1;g<f;g+=1)e({chartX:c.chartX+g/f*(h.chartX-c.chartX),chartY:c.chartY+g/f*(h.chartY-c.chartY),chartCenterY:c.chartCenterY+g/f*(h.chartCenterY-c.chartCenterY),plotX:c.plotX+g/f*(h.plotX-c.plotX),plotY:c.plotY+g/f*(h.plotY-c.plotY)});F(h.plotY)&&e(h)}return a}};
C.prototype.labelFontSize=function(e,d){return e+this.sum/this.chart.labelSeriesMaxSum*(d-e)+"px"};C.prototype.checkClearPoint=function(e,d,a,l){var f=Number.MAX_VALUE,g=Number.MAX_VALUE,b,k=z(this.options.label.onArea,!!this.area),h=k||this.options.label.connectorAllowed,m=this.chart,x;for(x=0;x<m.boxesToAvoid.length;x+=1){var n=m.boxesToAvoid[x];var c=e+a.width;var v=d;var q=d+a.height;if(!(e>n.right||c<n.left||v>n.bottom||q<n.top))return!1}for(x=0;x<m.series.length;x+=1)if(v=m.series[x],n=v.interpolatedPoints,
v.visible&&n){for(c=1;c<n.length;c+=1){if(n[c].chartX>=e-16&&n[c-1].chartX<=e+a.width+16){if(y(e,d,a.width,a.height,n[c-1].chartX,n[c-1].chartY,n[c].chartX,n[c].chartY))return!1;this===v&&!b&&l&&(b=y(e-16,d-16,a.width+32,a.height+32,n[c-1].chartX,n[c-1].chartY,n[c].chartX,n[c].chartY))}if((h||b)&&(this!==v||k)){q=e+a.width/2-n[c].chartX;var u=d+a.height/2-n[c].chartY;f=Math.min(f,q*q+u*u)}}if(!k&&h&&this===v&&(l&&!b||f<Math.pow(this.options.label.connectorNeighbourDistance,2))){for(c=1;c<n.length;c+=
1)if(b=Math.min(Math.pow(e+a.width/2-n[c].chartX,2)+Math.pow(d+a.height/2-n[c].chartY,2),Math.pow(e-n[c].chartX,2)+Math.pow(d-n[c].chartY,2),Math.pow(e+a.width-n[c].chartX,2)+Math.pow(d-n[c].chartY,2),Math.pow(e+a.width-n[c].chartX,2)+Math.pow(d+a.height-n[c].chartY,2),Math.pow(e-n[c].chartX,2)+Math.pow(d+a.height-n[c].chartY,2)),b<g){g=b;var p=n[c]}b=!0}}return!l||b?{x:e,y:d,weight:f-(p?g:0),connectorPoint:p}:!1};u.prototype.drawSeriesLabels=function(){var e=this,d=this.labelSeries;e.boxesToAvoid=
[];d.forEach(function(a){a.interpolatedPoints=a.getPointsOnGraph();(a.options.label.boxesToAvoid||[]).forEach(function(a){e.boxesToAvoid.push(a)})});e.series.forEach(function(a){function d(a,b,c){var d=Math.max(h,z(y,-Infinity)),e=Math.min(h+u,z(A,Infinity));return a>d&&a<=e-c.width&&b>=m&&b<=m+n-c.height}var f=a.options.label;if(f&&(a.xAxis||a.yAxis)){var g=[],b,k,h=(k=e.inverted)?a.yAxis.pos:a.xAxis.pos,m=k?a.xAxis.pos:a.yAxis.pos,u=e.inverted?a.yAxis.len:a.xAxis.len,n=e.inverted?a.xAxis.len:a.yAxis.len,
c=a.interpolatedPoints,v=z(f.onArea,!!a.area),q=a.labelBySeries,w=!q;var p=f.minFontSize;var r=f.maxFontSize;var t="highcharts-color-"+z(a.colorIndex,"none");if(v&&!k){k=[a.xAxis.toPixels(a.xData[0]),a.xAxis.toPixels(a.xData[a.xData.length-1])];var y=Math.min.apply(Math,k);var A=Math.max.apply(Math,k)}if(a.visible&&!a.isSeriesBoosting&&c){q||(q=a.name,"string"===typeof f.format?q=K(f.format,a,e):f.formatter&&(q=f.formatter.call(a)),a.labelBySeries=q=e.renderer.label(q,0,-9999,"connector").addClass("highcharts-series-label highcharts-series-label-"+
a.index+" "+(a.options.className||"")+" "+t),e.renderer.styledMode||(q.css(H({color:v?e.renderer.getContrast(a.color):a.color},f.style||{})),q.attr({opacity:e.renderer.forExport?1:0,stroke:a.color,"stroke-width":1})),p&&r&&q.css({fontSize:a.labelFontSize(p,r)}),q.attr({padding:0,zIndex:3}).add());p=q.getBBox();p.width=Math.round(p.width);for(k=c.length-1;0<k;--k)v?(r=c[k].chartX-p.width/2,t=c[k].chartCenterY-p.height/2,d(r,t,p)&&(b=a.checkClearPoint(r,t,p))):(r=c[k].chartX+3,t=c[k].chartY-p.height-
3,d(r,t,p)&&(b=a.checkClearPoint(r,t,p,!0)),b&&g.push(b),r=c[k].chartX+3,t=c[k].chartY+3,d(r,t,p)&&(b=a.checkClearPoint(r,t,p,!0)),b&&g.push(b),r=c[k].chartX-p.width-3,t=c[k].chartY+3,d(r,t,p)&&(b=a.checkClearPoint(r,t,p,!0)),b&&g.push(b),r=c[k].chartX-p.width-3,t=c[k].chartY-p.height-3,d(r,t,p)&&(b=a.checkClearPoint(r,t,p,!0))),b&&g.push(b);if(f.connectorAllowed&&!g.length&&!v)for(r=h+u-p.width;r>=h;r-=16)for(t=m;t<m+n-p.height;t+=16)(b=a.checkClearPoint(r,t,p,!0))&&g.push(b);if(g.length){if(g.sort(function(a,
b){return b.weight-a.weight}),b=g[0],e.boxesToAvoid.push({left:b.x,right:b.x+p.width,top:b.y,bottom:b.y+p.height}),(c=Math.sqrt(Math.pow(Math.abs(b.x-(q.x||0)),2)+Math.pow(Math.abs(b.y-(q.y||0)),2)))&&a.labelBySeries&&(g={opacity:e.renderer.forExport?1:0,x:b.x,y:b.y},f={opacity:1},10>=c&&(f={x:g.x,y:g.y},g={}),c=void 0,w&&(c=E(a.options.animation),c.duration*=.2),a.labelBySeries.attr(H(g,{anchorX:b.connectorPoint&&b.connectorPoint.plotX+h,anchorY:b.connectorPoint&&b.connectorPoint.plotY+m})).animate(f,
c),a.options.kdNow=!0,a.buildKDTree(),a=a.searchPoint({chartX:b.x,chartY:b.y},!0)))q.closest=[a,b.x-(a.plotX||0),b.y-(a.plotY||0)]}else q&&(a.labelBySeries=q.destroy())}else q&&(a.labelBySeries=q.destroy())}});J(e,"afterDrawSeriesLabels")};m(u,"load",G);m(u,"redraw",G)});u(m,"masters/modules/series-label.src.js",[],function(){})});
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