@highcharts/highcharts-react-native/highcharts-files/modules/series-label.js

Highcharts react native wrapper

/*
 Highcharts JS v8.0.4 (2020-03-10)

 (c) 2009-2019 Torstein Honsi

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