highcharts/modules/accessibility.js

JavaScript charting framework

!/**
 * Highcharts JS v12.1.2 (2024-12-21)
 * @module highcharts/modules/accessibility
 * @requires highcharts
 *
 * Accessibility module
 *
 * (c) 2010-2024 Highsoft AS
 * Author: Oystein Moseng
 *
 * License: www.highcharts.com/license
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t.shouldHaveLegendNavigation()},init:function(){i.highlightLegendItem(0),t.highlightedLegendItemIx=0},terminate:function(){t.highlightedLegendItemIx=-1,i.legend.allItems.forEach(e=>tn(!1,e))}})}onKbdArrowKey(e,t){let{keyCodes:{left:i,up:s},highlightedLegendItemIx:n,chart:r}=this,o=r.legend.allItems.length,a=r.options.accessibility.keyboardNavigation.wrapAround,l=t===i||t===s?-1:1;return r.highlightLegendItem(n+l)?this.highlightedLegendItemIx+=l:a&&o>1&&(this.highlightedLegendItemIx=l>0?0:o-1,r.highlightLegendItem(this.highlightedLegendItemIx)),e.response.success}onKbdClick(e){let t=this.chart.legend.allItems[this.highlightedLegendItemIx];return t&&t.a11yProxyElement&&t.a11yProxyElement.click(),e.response.success}shouldHaveLegendNavigation(){if(!ts(this.chart))return!1;let e=this.chart,t=(e.options.legend||{}).accessibility||{};return!!(e.legend.display&&t.keyboardNavigation&&t.keyboardNavigation.enabled)}destroy(){this.removeProxies()}}!function(e){function t(e){let t=this.legend.allItems,i=this.accessibility&&this.accessibility.components.legend.highlightedLegendItemIx,s=t[e],n=s?.legendItem||{};if(s){e6(i)&&t[i]&&tn(!1,t[i]),function(e,t){let i=(e.allItems[t].legendItem||{}).pageIx,s=e.currentPage;void 0!==i&&i+1!==s&&e.scroll(1+i-s)}(this.legend,e);let r=n.label,o=s.a11yProxyElement&&s.a11yProxyElement.innerElement;return r&&r.element&&o&&this.setFocusToElement(r,o),tn(!0,s),!0}return!1}function i(e){let t=this.chart.options.accessibility,i=e.item;t.enabled&&i&&i.a11yProxyElement&&i.a11yProxyElement.innerElement.setAttribute("aria-pressed",e.visible?"true":"false")}e.compose=function(e,s){let n=e.prototype;n.highlightLegendItem||(n.highlightLegendItem=t,e5(s,"afterColorizeItem",i))}}(tr||(tr={}));let to=tr;var ta=x(532),tl=x.n(ta);let{isTouchDevice:th}=w(),{addEvent:tc,merge:td,pick:tu}=w(),tp=[];function tg(){this.navigator&&this.navigator.setBaseSeries(null,!1)}function tm(){let e,t,i;let 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e=this.options;(e.navigator.enabled||e.scrollbar.enabled)&&(this.scroller=this.navigator=new d(this))}function tx(){let e=this.options,t=e.navigator,i=e.rangeSelector;if((t&&t.enabled||i&&i.enabled)&&(!th&&"x"===this.zooming.type||th&&"x"===this.zooming.pinchType))return!1}function ty(e){let t=e.navigator;if(t&&e.xAxis[0]){let i=e.xAxis[0].getExtremes();t.render(i.min,i.max)}}function tv(e){let t=e.options.navigator||{},i=e.options.scrollbar||{};!this.navigator&&!this.scroller&&(t.enabled||i.enabled)&&(td(!0,this.options.navigator,t),td(!0,this.options.scrollbar,i),delete e.options.navigator,delete e.options.scrollbar)}let tw={compose:function(e,t){if(w().pushUnique(tp,e)){let i=e.prototype;d=t,i.callbacks.push(ty),tc(e,"afterAddSeries",tg),tc(e,"afterSetChartSize",tm),tc(e,"afterUpdate",tb),tc(e,"beforeRender",tf),tc(e,"beforeShowResetZoom",tx),tc(e,"update",tv)}}},{isTouchDevice:tE}=w(),{addEvent:tA,correctFloat:tT,defined:tC,isNumber:tM,pick:tk}=w();function 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e=this.scrollbar,t=e&&!e.options.opposite,i=this.horiz?2:t?3:1;e&&(this.chart.scrollbarsOffsets=[0,0],this.chart.axisOffset[i]+=e.size+(e.options.margin||0))}function n(){let e=this;e.options&&e.options.scrollbar&&e.options.scrollbar.enabled&&(e.options.scrollbar.vertical=!e.horiz,e.options.startOnTick=e.options.endOnTick=!1,e.scrollbar=new t(e.chart.renderer,e.options.scrollbar,e.chart),t3(e.scrollbar,"changed",function(t){let s,n;let{axisMin:r,axisMax:o,scrollMin:a,scrollMax:l}=i(e),h=l-a;if(t5(r)&&t5(o)){if(e.horiz&&!e.reversed||!e.horiz&&e.reversed?(s=a+h*this.to,n=a+h*this.from):(s=a+h*(1-this.from),n=a+h*(1-this.to)),this.shouldUpdateExtremes(t.DOMType)){let i="mousemove"!==t.DOMType&&"touchmove"!==t.DOMType&&void 0;e.setExtremes(n,s,!0,i,t)}else this.setRange(this.from,this.to)}}))}function r(){let e,t,s;let{scrollMin:n,scrollMax:r}=i(this),o=this.scrollbar,a=this.axisTitleMargin+(this.titleOffset||0),l=this.chart.scrollbarsOffsets,h=this.options.margin||0;if(o&&l){if(this.horiz)this.opposite||(l[1]+=a),o.position(this.left,this.top+this.height+2+l[1]-(this.opposite?h:0),this.width,this.height),this.opposite||(l[1]+=h),e=1;else{let t;this.opposite&&(l[0]+=a),t=o.options.opposite?this.left+this.width+2+l[0]-(this.opposite?0:h):this.opposite?0:h,o.position(t,this.top,this.width,this.height),this.opposite&&(l[0]+=h),e=0}if(l[e]+=o.size+(o.options.margin||0),isNaN(n)||isNaN(r)||!t5(this.min)||!t5(this.max)||this.dataMin===this.dataMax)o.setRange(0,1);else if(this.min===this.max){let e=this.pointRange/(this.dataMax+1);t=e*this.min,s=e*(this.max+1),o.setRange(t,s)}else 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