highcharts-fork-vermorxt/modules/accessibility.js

JavaScript charting framework

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

 Accessibility module

 (c) 2010-2019 Highsoft AS
 Author: Oystein Moseng

 License: www.highcharts.com/license
*/
(function(a){"object"===typeof module&&module.exports?(a["default"]=a,module.exports=a):"function"===typeof define&&define.amd?define("highcharts/modules/accessibility",["highcharts"],function(t){a(t);a.Highcharts=t;return a}):a("undefined"!==typeof Highcharts?Highcharts:void 0)})(function(a){function t(a,f,l,m){a.hasOwnProperty(f)||(a[f]=m.apply(null,l))}a=a?a._modules:{};t(a,"modules/accessibility/utils/htmlUtilities.js",[a["parts/Utilities.js"],a["parts/Globals.js"]],function(a,f){function q(a){return a.replace(/&/g,
"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#x27;").replace(/\//g,"&#x2F;")}var m=a.merge,p=f.win,e=p.document;return{addClass:function(a,g){a.classList?a.classList.add(g):0>a.className.indexOf(g)&&(a.className+=g)},escapeStringForHTML:q,getElement:function(a){return e.getElementById(a)},getFakeMouseEvent:function(a){if("function"===typeof p.MouseEvent)return new p.MouseEvent(a);if(e.createEvent){var g=e.createEvent("MouseEvent");if(g.initMouseEvent)return g.initMouseEvent(a,
!0,!0,p,"click"===a?1:0,0,0,0,0,!1,!1,!1,!1,0,null),g}return{type:a}},removeElement:function(a){a&&a.parentNode&&a.parentNode.removeChild(a)},reverseChildNodes:function(a){for(var g=a.childNodes.length;g--;)a.appendChild(a.childNodes[g])},setElAttrs:function(a,g){Object.keys(g).forEach(function(e){var c=g[e];null===c?a.removeAttribute(e):(c=q(""+c),a.setAttribute(e,c))})},stripHTMLTagsFromString:function(a){return"string"===typeof a?a.replace(/<\/?[^>]+(>|$)/g,""):a},visuallyHideElement:function(a){m(!0,
a.style,{position:"absolute",width:"1px",height:"1px",overflow:"hidden",whiteSpace:"nowrap",clip:"rect(1px, 1px, 1px, 1px)",marginTop:"-3px","-ms-filter":"progid:DXImageTransform.Microsoft.Alpha(Opacity=1)",filter:"alpha(opacity=1)",opacity:"0.01"})}}});t(a,"modules/accessibility/utils/chartUtilities.js",[a["modules/accessibility/utils/htmlUtilities.js"],a["parts/Utilities.js"]],function(a,f){function q(a){if(a.points&&a.points.length&&a.points[0].graphic)return a.points[0].graphic.element}function m(a){var g=
q(a);return g&&g.parentNode||a.graph&&a.graph.element||a.group&&a.group.element}function p(a,e){e.setAttribute("aria-hidden",!1);e!==a.renderTo&&e.parentNode&&(Array.prototype.forEach.call(e.parentNode.childNodes,function(a){a.hasAttribute("aria-hidden")||a.setAttribute("aria-hidden",!0)}),p(a,e.parentNode))}var e=a.stripHTMLTagsFromString,h=f.find;return{getChartTitle:function(a){return e(a.options.title.text||a.langFormat("accessibility.defaultChartTitle",{chart:a}))},getAxisDescription:function(a){return e(a&&
(a.userOptions&&a.userOptions.accessibility&&a.userOptions.accessibility.description||a.axisTitle&&a.axisTitle.textStr||a.options.id||a.categories&&"categories"||a.isDatetimeAxis&&"Time"||"values"))},getPointFromXY:function(a,e,c){for(var d=a.length,b;d--;)if(b=h(a[d].points||[],function(b){return b.x===e&&b.y===c}))return b},getSeriesFirstPointElement:q,getSeriesFromName:function(a,e){return e?(a.series||[]).filter(function(a){return a.name===e}):a.series},getSeriesA11yElement:m,unhideChartElementFromAT:p,
hideSeriesFromAT:function(a){(a=m(a))&&a.setAttribute("aria-hidden",!0)}}});t(a,"modules/accessibility/KeyboardNavigationHandler.js",[a["parts/Utilities.js"]],function(a){function q(a,q){this.chart=a;this.keyCodeMap=q.keyCodeMap||[];this.validate=q.validate;this.init=q.init;this.terminate=q.terminate;this.response={success:1,prev:2,next:3,noHandler:4,fail:5}}var l=a.find;q.prototype={run:function(a){var q=a.which||a.keyCode,e=this.response.noHandler,h=l(this.keyCodeMap,function(a){return-1<a[0].indexOf(q)});
h?e=h[1].call(this,q,a):9===q&&(e=this.response[a.shiftKey?"prev":"next"]);return e}};return q});t(a,"modules/accessibility/utils/EventProvider.js",[a["parts/Globals.js"],a["parts/Utilities.js"]],function(a,f){var q=f.addEvent;f=f.extend;var m=function(){this.eventRemovers=[]};f(m.prototype,{addEvent:function(){var f=q.apply(a,arguments);this.eventRemovers.push(f);return f},removeAddedEvents:function(){this.eventRemovers.forEach(function(a){a()});this.eventRemovers=[]}});return m});t(a,"modules/accessibility/utils/DOMElementProvider.js",
[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,l){var q=a.win.document;a=f.extend;var p=l.removeElement;l=function(){this.elements=[]};a(l.prototype,{createElement:function(){var a=q.createElement.apply(q,arguments);this.elements.push(a);return a},destroyCreatedElements:function(){this.elements.forEach(function(a){p(a)});this.elements=[]}});return l});t(a,"modules/accessibility/AccessibilityComponent.js",[a["parts/Globals.js"],a["parts/Utilities.js"],
a["modules/accessibility/utils/htmlUtilities.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/EventProvider.js"],a["modules/accessibility/utils/DOMElementProvider.js"]],function(a,f,l,m,p,e){function h(){}var g=a.win,n=g.document,c=a.fireEvent;a=f.extend;var d=f.merge,b=l.removeElement,r=l.getFakeMouseEvent,k=m.unhideChartElementFromAT;h.prototype={initBase:function(b){this.chart=b;this.eventProvider=new p;this.domElementProvider=new e;this.keyCodes={left:37,
right:39,up:38,down:40,enter:13,space:32,esc:27,tab:9}},addEvent:function(){return this.eventProvider.addEvent.apply(this.eventProvider,arguments)},createElement:function(){return this.domElementProvider.createElement.apply(this.domElementProvider,arguments)},fireEventOnWrappedOrUnwrappedElement:function(b,a){var d=a.type;n.createEvent&&(b.dispatchEvent||b.fireEvent)?b.dispatchEvent?b.dispatchEvent(a):b.fireEvent(d,a):c(b,d,a)},fakeClickEvent:function(b){if(b){var a=r("click");this.fireEventOnWrappedOrUnwrappedElement(b,
a)}},addProxyGroup:function(b){this.createOrUpdateProxyContainer();var a=this.createElement("div");Object.keys(b||{}).forEach(function(d){null!==b[d]&&a.setAttribute(d,b[d])});this.chart.a11yProxyContainer.appendChild(a);return a},createOrUpdateProxyContainer:function(){var b=this.chart,a=b.renderer.box;b.a11yProxyContainer=b.a11yProxyContainer||this.createProxyContainerElement();a.nextSibling!==b.a11yProxyContainer&&b.container.insertBefore(b.a11yProxyContainer,a.nextSibling)},createProxyContainerElement:function(){var b=
n.createElement("div");b.className="highcharts-a11y-proxy-container";return b},createProxyButton:function(b,a,r,c,e){var x=b.element,v=this.createElement("button"),u=d({"aria-label":x.getAttribute("aria-label")},r);b=this.getElementPosition(c||b);Object.keys(u).forEach(function(b){null!==u[b]&&v.setAttribute(b,u[b])});v.className="highcharts-a11y-proxy-button";e&&this.addEvent(v,"click",e);this.setProxyButtonStyle(v,b);this.proxyMouseEventsForButton(x,v);a.appendChild(v);u["aria-hidden"]||k(this.chart,
v);return v},getElementPosition:function(b){var a=b.element;return(b=this.chart.renderTo)&&a&&a.getBoundingClientRect?(a=a.getBoundingClientRect(),b=b.getBoundingClientRect(),{x:a.left-b.left,y:a.top-b.top,width:a.right-a.left,height:a.bottom-a.top}):{x:0,y:0,width:1,height:1}},setProxyButtonStyle:function(b,a){d(!0,b.style,{"border-width":0,"background-color":"transparent",cursor:"pointer",outline:"none",opacity:.001,filter:"alpha(opacity=1)","-ms-filter":"progid:DXImageTransform.Microsoft.Alpha(Opacity=1)",
zIndex:999,overflow:"hidden",padding:0,margin:0,display:"block",position:"absolute",width:(a.width||1)+"px",height:(a.height||1)+"px",left:(a.x||0)+"px",top:(a.y||0)+"px"})},proxyMouseEventsForButton:function(b,a){var d=this;"click touchstart touchend touchcancel touchmove mouseover mouseenter mouseleave mouseout".split(" ").forEach(function(r){d.addEvent(a,r,function(a){var r=d.cloneMouseEvent(a);b&&d.fireEventOnWrappedOrUnwrappedElement(b,r);a.stopPropagation();a.preventDefault()})})},cloneMouseEvent:function(b){if("function"===
typeof g.MouseEvent)return new g.MouseEvent(b.type,b);if(n.createEvent){var a=n.createEvent("MouseEvent");if(a.initMouseEvent)return a.initMouseEvent(b.type,b.bubbles,b.cancelable,b.view||g,b.detail,b.screenX,b.screenY,b.clientX,b.clientY,b.ctrlKey,b.altKey,b.shiftKey,b.metaKey,b.button,b.relatedTarget),a}return r(b.type)},destroyBase:function(){b(this.chart.a11yProxyContainer);this.domElementProvider.destroyCreatedElements();this.eventProvider.removeAddedEvents()}};a(h.prototype,{init:function(){},
getKeyboardNavigation:function(){},onChartUpdate:function(){},onChartRender:function(){},destroy:function(){}});return h});t(a,"modules/accessibility/KeyboardNavigation.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"],a["modules/accessibility/utils/EventProvider.js"]],function(a,f,l,m){function q(a,b){this.init(a,b)}var e=a.win,h=e.document,g=f.addEvent,n=f.fireEvent,c=l.getElement;g(h,"keydown",function(d){27===(d.which||d.keyCode)&&a.charts&&a.charts.forEach(function(b){b&&
b.dismissPopupContent&&b.dismissPopupContent()})});a.Chart.prototype.dismissPopupContent=function(){var a=this;n(this,"dismissPopupContent",{},function(){a.tooltip&&a.tooltip.hide(0);a.hideExportMenu()})};q.prototype={init:function(a,b){var d=this,k=this.eventProvider=new m;this.chart=a;this.components=b;this.modules=[];this.currentModuleIx=0;k.addEvent(a.renderTo,"keydown",function(b){return d.onKeydown(b)});k.addEvent(a.container,"focus",function(b){return d.onFocus(b)});k.addEvent(h,"mouseup",
function(){return d.onMouseUp()});k.addEvent(a.renderTo,"mouseover",function(){d.pointerIsOverChart=!0});k.addEvent(a.renderTo,"mouseout",function(){d.pointerIsOverChart=!1});this.update();this.modules.length&&this.modules[0].init(1)},update:function(a){var b=this.chart.options.accessibility;b=b&&b.keyboardNavigation;var d=this.components;this.updateContainerTabindex();b&&b.enabled&&a&&a.length?(this.modules=a.reduce(function(b,a){a=d[a].getKeyboardNavigation();return b.concat(a)},[]),this.updateExitAnchor()):
(this.modules=[],this.currentModuleIx=0,this.removeExitAnchor())},onFocus:function(a){var b,d=this.chart;a.relatedTarget&&d.container.contains(a.relatedTarget)||(null===(b=this.modules[0])||void 0===b?void 0:b.init(1))},onMouseUp:function(){if(!this.keyboardReset&&!this.pointerIsOverChart){var a=this.chart,b=this.modules&&this.modules[this.currentModuleIx||0];b&&b.terminate&&b.terminate();a.focusElement&&a.focusElement.removeFocusBorder();this.currentModuleIx=0;this.keyboardReset=!0}},onKeydown:function(a){a=
a||e.event;var b,d=this.modules&&this.modules.length&&this.modules[this.currentModuleIx];this.keyboardReset=!1;if(d){var k=d.run(a);k===d.response.success?b=!0:k===d.response.prev?b=this.prev():k===d.response.next&&(b=this.next());b&&(a.preventDefault(),a.stopPropagation())}},prev:function(){return this.move(-1)},next:function(){return this.move(1)},move:function(a){var b=this.modules&&this.modules[this.currentModuleIx];b&&b.terminate&&b.terminate(a);this.chart.focusElement&&this.chart.focusElement.removeFocusBorder();
this.currentModuleIx+=a;if(b=this.modules&&this.modules[this.currentModuleIx]){if(b.validate&&!b.validate())return this.move(a);if(b.init)return b.init(a),!0}this.currentModuleIx=0;0<a?(this.exiting=!0,this.exitAnchor.focus()):this.chart.container.focus();return!1},updateExitAnchor:function(){var a=c("highcharts-end-of-chart-marker-"+this.chart.index);this.removeExitAnchor();a?(this.makeElementAnExitAnchor(a),this.exitAnchor=a):this.createExitAnchor()},updateContainerTabindex:function(){var a=this.chart.options.accessibility;
a=a&&a.keyboardNavigation;a=!(a&&!1===a.enabled);var b=this.chart.container,r=b.getAttribute("tabIndex");a&&!r?b.setAttribute("tabindex","0"):a||"0"!==r||b.removeAttribute("tabindex")},makeElementAnExitAnchor:function(a){a.setAttribute("class","highcharts-exit-anchor");a.setAttribute("tabindex","0");a.setAttribute("aria-hidden",!1);this.addExitAnchorEventsToEl(a)},createExitAnchor:function(){var a=this.chart,b=this.exitAnchor=h.createElement("div");a.renderTo.appendChild(b);this.makeElementAnExitAnchor(b)},
removeExitAnchor:function(){this.exitAnchor&&this.exitAnchor.parentNode&&(this.exitAnchor.parentNode.removeChild(this.exitAnchor),delete this.exitAnchor)},addExitAnchorEventsToEl:function(a){var b=this.chart,d=this;this.eventProvider.addEvent(a,"focus",function(a){a=a||e.event;a.relatedTarget&&b.container.contains(a.relatedTarget)||d.exiting?d.exiting=!1:(b.renderTo.focus(),a.preventDefault(),d.modules&&d.modules.length&&(d.currentModuleIx=d.modules.length-1,(a=d.modules[d.currentModuleIx])&&a.validate&&
!a.validate()?d.prev():a&&a.init(-1)))})},destroy:function(){this.removeExitAnchor();this.eventProvider.removeAddedEvents();"0"===this.chart.container.getAttribute("tabindex")&&this.chart.container.removeAttribute("tabindex")}};return q});t(a,"modules/accessibility/components/LegendComponent.js",[a["parts/Globals.js"],a["parts/Legend.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],a["modules/accessibility/utils/htmlUtilities.js"]],
function(a,f,l,m,p,e){var h=l.addEvent,g=l.extend,n=l.fireEvent,c=e.stripHTMLTagsFromString,d=e.removeElement;a.Chart.prototype.highlightLegendItem=function(b){var a=this.legend.allItems,d=this.highlightedLegendItemIx;if(a[b]){a[d]&&n(a[d].legendGroup.element,"mouseout");d=this.legend;var c=d.allItems[b].pageIx,e=d.currentPage;"undefined"!==typeof c&&c+1!==e&&d.scroll(1+c-e);this.setFocusToElement(a[b].legendItem,a[b].a11yProxyElement);n(a[b].legendGroup.element,"mouseover");return!0}return!1};h(f,
"afterColorizeItem",function(a){var b=a.item;this.chart.options.accessibility.enabled&&b&&b.a11yProxyElement&&b.a11yProxyElement.setAttribute("aria-pressed",a.visible?"false":"true")});a=function(){};a.prototype=new m;g(a.prototype,{init:function(){var a=this;this.addEvent(f,"afterScroll",function(){this.chart===a.chart&&a.updateProxies()})},updateLegendItemProxyVisibility:function(){var a=this.chart.legend,d=a.currentPage||1;(a.allItems||[]).forEach(function(a){var b=(a.pageIx||0)!==d-1;a.a11yProxyElement&&
(a.a11yProxyElement.style.visibility=b?"hidden":"visible")})},onChartRender:function(){this.legendProxyButtonClicked?delete this.legendProxyButtonClicked:this.updateProxies()},updateProxies:function(){d(this.legendProxyGroup);var a=this.chart,c=a.legend&&a.legend.allItems,k=a.options.legend.accessibility||{};!c||!c.length||a.colorAxis&&a.colorAxis.length||!1===k.enabled||(this.addLegendProxyGroup(),this.proxyLegendItems(),this.updateLegendItemProxyVisibility())},addLegendProxyGroup:function(){var a=
this.chart.options.accessibility,d=this.chart.langFormat("accessibility.legend.legendLabel",{});this.legendProxyGroup=this.addProxyGroup({"aria-label":d,role:"all"===a.landmarkVerbosity?"region":null})},proxyLegendItems:function(){var a=this;(this.chart.legend&&this.chart.legend.allItems||[]).forEach(function(b){b.legendItem&&b.legendItem.element&&a.proxyLegendItem(b)})},proxyLegendItem:function(a){var b=this,d=this.chart.langFormat("accessibility.legend.legendItem",{chart:this.chart,itemName:c(a.name)});
a.a11yProxyElement=this.createProxyButton(a.legendItem,this.legendProxyGroup,{tabindex:-1,"aria-pressed":!a.visible,"aria-label":d},a.legendGroup.div?a.legendItem:a.legendGroup,function(){b.legendProxyButtonClicked=!0})},getKeyboardNavigation:function(){var a=this.keyCodes,d=this;return new p(this.chart,{keyCodeMap:[[[a.left,a.right,a.up,a.down],function(a){return d.onKbdArrowKey(this,a)}],[[a.enter,a.space],function(){return d.onKbdClick(this)}]],validate:function(){return d.shouldHaveLegendNavigation()},
init:function(a){return d.onKbdNavigationInit(a)}})},onKbdArrowKey:function(a,d){var b=this.keyCodes,c=a.response,r=this.chart,v=r.options.accessibility,e=r.legend.allItems.length;d=d===b.left||d===b.up?-1:1;return r.highlightLegendItem(this.highlightedLegendItemIx+d)?(this.highlightedLegendItemIx+=d,c.success):1<e&&v.keyboardNavigation.wrapAround?(a.init(d),c.success):c[0<d?"next":"prev"]},onKbdClick:function(a){var b=this.chart.legend.allItems[this.highlightedLegendItemIx];b&&b.a11yProxyElement&&
n(b.a11yProxyElement,"click");return a.response.success},shouldHaveLegendNavigation:function(){var a=this.chart,d=a.colorAxis&&a.colorAxis.length,c=(a.options.legend||{}).accessibility||{};return!!(a.legend&&a.legend.allItems&&a.legend.display&&!d&&c.enabled&&c.keyboardNavigation&&c.keyboardNavigation.enabled)},onKbdNavigationInit:function(a){var b=this.chart,d=b.legend.allItems.length-1;a=0<a?0:d;b.highlightLegendItem(a);this.highlightedLegendItemIx=a}});return a});t(a,"modules/accessibility/components/MenuComponent.js",
[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,l,m,p,e){function h(a){return a.exportSVGElements&&a.exportSVGElements[0]}f=f.extend;var g=p.unhideChartElementFromAT,n=e.removeElement,c=e.getFakeMouseEvent;a.Chart.prototype.showExportMenu=function(){var a=h(this);if(a&&(a=a.element,
a.onclick))a.onclick(c("click"))};a.Chart.prototype.hideExportMenu=function(){var a=this.exportDivElements;a&&this.exportContextMenu&&(a.forEach(function(a){if("highcharts-menu-item"===a.className&&a.onmouseout)a.onmouseout(c("mouseout"))}),this.highlightedExportItemIx=0,this.exportContextMenu.hideMenu(),this.container.focus())};a.Chart.prototype.highlightExportItem=function(a){var b=this.exportDivElements&&this.exportDivElements[a],d=this.exportDivElements&&this.exportDivElements[this.highlightedExportItemIx];
if(b&&"LI"===b.tagName&&(!b.children||!b.children.length)){var k=!!(this.renderTo.getElementsByTagName("g")[0]||{}).focus;b.focus&&k&&b.focus();if(d&&d.onmouseout)d.onmouseout(c("mouseout"));if(b.onmouseover)b.onmouseover(c("mouseover"));this.highlightedExportItemIx=a;return!0}return!1};a.Chart.prototype.highlightLastExportItem=function(){var a;if(this.exportDivElements)for(a=this.exportDivElements.length;a--;)if(this.highlightExportItem(a))return!0;return!1};a=function(){};a.prototype=new l;f(a.prototype,
{init:function(){var a=this.chart,b=this;this.addEvent(a,"exportMenuShown",function(){b.onMenuShown()});this.addEvent(a,"exportMenuHidden",function(){b.onMenuHidden()})},onMenuHidden:function(){var a=this.chart.exportContextMenu;a&&a.setAttribute("aria-hidden","true");this.isExportMenuShown=!1;this.setExportButtonExpandedState("false")},onMenuShown:function(){var a=this.chart,b=a.exportContextMenu;b&&(this.addAccessibleContextMenuAttribs(),g(a,b));this.isExportMenuShown=!0;this.setExportButtonExpandedState("true")},
setExportButtonExpandedState:function(a){var b=this.exportButtonProxy;b&&b.setAttribute("aria-expanded",a)},onChartRender:function(){var a=this.chart,b=a.options.accessibility;n(this.exportProxyGroup);var c=a.options.exporting,k=h(a);c&&!1!==c.enabled&&c.accessibility&&c.accessibility.enabled&&k&&k.element&&(this.exportProxyGroup=this.addProxyGroup("all"===b.landmarkVerbosity?{"aria-label":a.langFormat("accessibility.exporting.exportRegionLabel",{chart:a}),role:"region"}:{}),b=h(this.chart),this.exportButtonProxy=
this.createProxyButton(b,this.exportProxyGroup,{"aria-label":a.langFormat("accessibility.exporting.menuButtonLabel",{chart:a}),"aria-expanded":"false"}))},addAccessibleContextMenuAttribs:function(){var a=this.chart,b=a.exportDivElements;b&&b.length&&(b.forEach(function(a){"LI"!==a.tagName||a.children&&a.children.length?a.setAttribute("aria-hidden","true"):a.setAttribute("tabindex",-1)}),b=b[0].parentNode,b.removeAttribute("aria-hidden"),b.setAttribute("aria-label",a.langFormat("accessibility.exporting.chartMenuLabel",
{chart:a})))},getKeyboardNavigation:function(){var a=this.keyCodes,b=this.chart,c=this;return new m(b,{keyCodeMap:[[[a.left,a.up],function(){return c.onKbdPrevious(this)}],[[a.right,a.down],function(){return c.onKbdNext(this)}],[[a.enter,a.space],function(){return c.onKbdClick(this)}],[[a.esc],function(){return this.response.prev}]],validate:function(){return b.exportChart&&!1!==b.options.exporting.enabled&&!1!==b.options.exporting.accessibility.enabled},init:function(){var a=c.exportButtonProxy,
d=b.exportingGroup;d&&a&&b.setFocusToElement(d,a)},terminate:function(){b.hideExportMenu()}})},onKbdPrevious:function(a){var b=this.chart,d=b.options.accessibility;a=a.response;for(var c=b.highlightedExportItemIx||0;c--;)if(b.highlightExportItem(c))return a.success;return d.keyboardNavigation.wrapAround?(b.highlightLastExportItem(),a.success):a.prev},onKbdNext:function(a){var b=this.chart,c=b.options.accessibility;a=a.response;for(var d=(b.highlightedExportItemIx||0)+1;d<b.exportDivElements.length;++d)if(b.highlightExportItem(d))return a.success;
return c.keyboardNavigation.wrapAround?(b.highlightExportItem(0),a.success):a.next},onKbdClick:function(a){var b=this.chart,c=b.exportDivElements[b.highlightedExportItemIx],d=h(b).element;this.isExportMenuShown?this.fakeClickEvent(c):(this.fakeClickEvent(d),b.highlightExportItem(0));return a.response.success}});return a});t(a,"modules/accessibility/components/SeriesComponent/SeriesKeyboardNavigation.js",[a["parts/Globals.js"],a["parts/Point.js"],a["parts/Utilities.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],
a["modules/accessibility/utils/EventProvider.js"],a["modules/accessibility/utils/chartUtilities.js"]],function(a,f,l,m,p,e){function h(a){var b=a.index,c=a.series.points,d=c.length;if(c[b]!==a)for(;d--;){if(c[d]===a)return d}else return b}function g(a){var b=a.chart.options.accessibility.keyboardNavigation.seriesNavigation,c=a.options.accessibility||{},d=c.keyboardNavigation;return d&&!1===d.enabled||!1===c.enabled||!1===a.options.enableMouseTracking||!a.visible||b.pointNavigationEnabledThreshold&&
b.pointNavigationEnabledThreshold<=a.points.length}function n(a){var b=a.series.chart.options.accessibility;return a.isNull&&b.keyboardNavigation.seriesNavigation.skipNullPoints||!1===a.visible||g(a.series)}function c(a,b,c,d){var e=Infinity,v=b.points.length,w=function(a){return!(k(a.plotX)&&k(a.plotY))};if(!w(a)){for(;v--;){var u=b.points[v];if(!w(u)&&(u=(a.plotX-u.plotX)*(a.plotX-u.plotX)*(c||1)+(a.plotY-u.plotY)*(a.plotY-u.plotY)*(d||1),u<e)){e=u;var r=v}}return k(r)?b.points[r]:void 0}}function d(a){var b=
!1;delete a.highlightedPoint;return b=a.series.reduce(function(a,b){return a||b.highlightFirstValidPoint()},!1)}function b(a,b){this.keyCodes=b;this.chart=a}var r=l.extend,k=l.defined,x=e.getPointFromXY,q=e.getSeriesFromName;a.Series.prototype.keyboardMoveVertical=!0;["column","pie"].forEach(function(b){a.seriesTypes[b]&&(a.seriesTypes[b].prototype.keyboardMoveVertical=!1)});f.prototype.highlight=function(){var a=this.series.chart;if(this.isNull)a.tooltip&&a.tooltip.hide(0);else this.onMouseOver();
this.graphic&&a.setFocusToElement(this.graphic);a.highlightedPoint=this;return this};a.Chart.prototype.highlightAdjacentPoint=function(a){var b=this.series,c=this.highlightedPoint,d=c&&h(c)||0,k=c&&c.series.points,e=this.series&&this.series[this.series.length-1];e=e&&e.points&&e.points[e.points.length-1];if(!b[0]||!b[0].points)return!1;if(c){if(b=b[c.series.index+(a?1:-1)],d=k[d+(a?1:-1)],!d&&b&&(d=b.points[a?0:b.points.length-1]),!d)return!1}else d=a?b[0].points[0]:e;return n(d)?(b=d.series,g(b)?
this.highlightedPoint=a?b.points[b.points.length-1]:b.points[0]:this.highlightedPoint=d,this.highlightAdjacentPoint(a)):d.highlight()};a.Series.prototype.highlightFirstValidPoint=function(){var a=this.chart.highlightedPoint,b=(a&&a.series)===this?h(a):0;a=this.points;var c=a.length;if(a&&c){for(var d=b;d<c;++d)if(!n(a[d]))return a[d].highlight();for(;0<=b;--b)if(!n(a[b]))return a[b].highlight()}return!1};a.Chart.prototype.highlightAdjacentSeries=function(a){var b,d=this.highlightedPoint;var e=(b=
this.series&&this.series[this.series.length-1])&&b.points&&b.points[b.points.length-1];if(!this.highlightedPoint)return b=a?this.series&&this.series[0]:b,(e=a?b&&b.points&&b.points[0]:e)?e.highlight():!1;b=this.series[d.series.index+(a?-1:1)];if(!b)return!1;e=c(d,b,4);if(!e)return!1;if(g(b))return e.highlight(),a=this.highlightAdjacentSeries(a),a?a:(d.highlight(),!1);e.highlight();return e.series.highlightFirstValidPoint()};a.Chart.prototype.highlightAdjacentPointVertical=function(a){var b=this.highlightedPoint,
d=Infinity,c;if(!k(b.plotX)||!k(b.plotY))return!1;this.series.forEach(function(e){g(e)||e.points.forEach(function(r){if(k(r.plotY)&&k(r.plotX)&&r!==b){var w=r.plotY-b.plotY,g=Math.abs(r.plotX-b.plotX);g=Math.abs(w)*Math.abs(w)+g*g*4;e.yAxis&&e.yAxis.reversed&&(w*=-1);!(0>=w&&a||0<=w&&!a||5>g||n(r))&&g<d&&(d=g,c=r)}})});return c?c.highlight():!1};r(b.prototype,{init:function(){var b=this,c=this.chart,e=this.eventProvider=new p;e.addEvent(a.Series,"destroy",function(){return b.onSeriesDestroy(this)});
e.addEvent(c,"afterDrilldown",function(){d(this);this.focusElement&&this.focusElement.removeFocusBorder()});e.addEvent(c,"drilldown",function(a){a=a.point;var d=a.series;b.lastDrilledDownPoint={x:a.x,y:a.y,seriesName:d?d.name:""}});e.addEvent(c,"drillupall",function(){setTimeout(function(){b.onDrillupAll()},10)})},onDrillupAll:function(){var a=this.lastDrilledDownPoint,b=this.chart,d=a&&q(b,a.seriesName),c;a&&d&&k(a.x)&&k(a.y)&&(c=x(d,a.x,a.y));b.container&&b.container.focus();c&&c.highlight&&c.highlight();
b.focusElement&&b.focusElement.removeFocusBorder()},getKeyboardNavigationHandler:function(){var a=this,b=this.keyCodes,d=this.chart,c=d.inverted;return new m(d,{keyCodeMap:[[c?[b.up,b.down]:[b.left,b.right],function(b){return a.onKbdSideways(this,b)}],[c?[b.left,b.right]:[b.up,b.down],function(b){return a.onKbdVertical(this,b)}],[[b.enter,b.space],function(){d.highlightedPoint&&d.highlightedPoint.firePointEvent("click");return this.response.success}]],init:function(b){return a.onHandlerInit(this,
b)},terminate:function(){return a.onHandlerTerminate()}})},onKbdSideways:function(a,b){var d=this.keyCodes;return this.attemptHighlightAdjacentPoint(a,b===d.right||b===d.down)},onKbdVertical:function(a,b){var d=this.chart,c=this.keyCodes;b=b===c.down||b===c.right;c=d.options.accessibility.keyboardNavigation.seriesNavigation;if(c.mode&&"serialize"===c.mode)return this.attemptHighlightAdjacentPoint(a,b);d[d.highlightedPoint&&d.highlightedPoint.series.keyboardMoveVertical?"highlightAdjacentPointVertical":
"highlightAdjacentSeries"](b);return a.response.success},onHandlerInit:function(a,b){var c=this.chart;if(0<b)d(c);else{b=c.series.length;for(var e;b--&&!(c.highlightedPoint=c.series[b].points[c.series[b].points.length-1],e=c.series[b].highlightFirstValidPoint()););}return a.response.success},onHandlerTerminate:function(){var a=this.chart,b=a.highlightedPoint;a.tooltip&&a.tooltip.hide(0);b&&(b.onMouseOut(),delete a.highlightedPoint)},attemptHighlightAdjacentPoint:function(a,b){var c=this.chart,d=c.options.accessibility.keyboardNavigation.wrapAround;
return c.highlightAdjacentPoint(b)?a.response.success:d?a.init(b?1:-1):a.response[b?"next":"prev"]},onSeriesDestroy:function(a){var b=this.chart;b.highlightedPoint&&b.highlightedPoint.series===a&&(delete b.highlightedPoint,b.focusElement&&b.focusElement.removeFocusBorder())},destroy:function(){this.eventProvider.removeAddedEvents()}});return b});t(a,"modules/accessibility/components/AnnotationsA11y.js",[a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f){function q(a){return(a.annotations||
[]).reduce(function(a,b){var c;!1!==(null===(c=b.options)||void 0===c?void 0:c.visible)&&(a=a.concat(b.labels));return a},[])}function m(a){var c,b,e,k,g=null===(b=null===(c=a.options)||void 0===c?void 0:c.accessibility)||void 0===b?void 0:b.description;return g?g:(null===(k=null===(e=a.graphic)||void 0===e?void 0:e.text)||void 0===k?void 0:k.textStr)||""}function p(a){var c,b,e=null===(b=null===(c=a.options)||void 0===c?void 0:c.accessibility)||void 0===b?void 0:b.description;if(e)return e;c=a.chart;
b=m(a);e=a.points.filter(function(a){return!!a.graphic}).map(function(a){var b,c;if(!(c=null===(b=null===a||void 0===a?void 0:a.accessibility)||void 0===b?void 0:b.valueDescription)){var d,e;c=(null===(e=null===(d=null===a||void 0===a?void 0:a.graphic)||void 0===d?void 0:d.element)||void 0===e?void 0:e.getAttribute("aria-label"))||""}a=(null===a||void 0===a?void 0:a.series.name)||"";return(a?a+", ":"")+"data point "+c}).filter(function(a){return!!a});var k=e.length;a="accessibility.screenReaderSection.annotations.description"+
(1<k?"MultiplePoints":k?"SinglePoint":"NoPoints");b={annotationText:b,numPoints:k,annotationPoint:e[0],additionalAnnotationPoints:e.slice(1)};return c.langFormat(a,b)}function e(a){return q(a).map(function(a){return(a=g(n(p(a))))?"<li>"+a+"</li>":""})}var h=a.inArray,g=f.escapeStringForHTML,n=f.stripHTMLTagsFromString;return{getAnnotationsInfoHTML:function(a){var c=a.annotations;return c&&c.length?"<ul>"+e(a).join(" ")+"</ul>":""},getAnnotationLabelDescription:p,getAnnotationListItems:e,getPointAnnotationTexts:function(a){var c=
q(a.series.chart).filter(function(b){return-1<h(a,b.points)});return c.length?c.map(function(a){return""+m(a)}):[]}}});t(a,"modules/accessibility/components/SeriesComponent/SeriesDescriber.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/components/AnnotationsA11y.js"],a["modules/accessibility/utils/htmlUtilities.js"],a["modules/accessibility/utils/chartUtilities.js"],a["parts/Tooltip.js"]],function(a,f,l,m,p,e){function h(a){var b=a.index;return a.series&&a.series.data&&
F(b)?D(a.series.data,function(a){return!!(a&&"undefined"!==typeof a.index&&a.index>b&&a.graphic&&a.graphic.element)})||null:null}function g(a){var b=a.chart.options.accessibility.series.pointDescriptionEnabledThreshold;return!!(!1!==b&&a.points&&a.points.length>=b)}function n(a){var b=a.options.accessibility||{};return!g(a)&&!b.exposeAsGroupOnly}function c(a){var b=a.chart.options.accessibility.keyboardNavigation.seriesNavigation;return!(!a.points||!(a.points.length<b.pointNavigationEnabledThreshold||
!1===b.pointNavigationEnabledThreshold))}function d(a,b){var c=a.series.chart,d=c.options.accessibility.point||{};a=a.series.tooltipOptions||{};c=c.options.lang;return E(b)?A(b,d.valueDecimals||a.valueDecimals||-1,c.decimalPoint,c.accessibility.thousandsSep||c.thousandsSep):b}function b(a){var b=(a.options.accessibility||{}).description;return b&&a.chart.langFormat("accessibility.series.description",{description:b,series:a})||""}function r(a,b){return a.chart.langFormat("accessibility.series."+b+
"Description",{name:J(a[b]),series:a})}function k(a){var b=a.series,c=b.chart,d=c.options.accessibility.point||{};if(b.xAxis&&b.xAxis.isDatetimeAxis)return b=e.prototype.getXDateFormat.call({getDateFormat:e.prototype.getDateFormat,chart:c},a,c.options.tooltip,b.xAxis),d=d.dateFormatter&&d.dateFormatter(a)||d.dateFormat||b,c.time.dateFormat(d,a.x,void 0)}function x(a){var b=k(a),c=(a.series.xAxis||{}).categories&&F(a.category)&&(""+a.category).replace("<br/>"," "),d=a.id&&0>a.id.indexOf("highcharts-"),
e="x, "+a.x;return a.name||b||c||(d?a.id:e)}function q(a,b,c){var e=b||"",k=c||"";return a.series.pointArrayMap.reduce(function(b,c){b+=b.length?", ":"";var w=d(a,z(a[c],a.options[c]));return b+(c+": "+e+w+k)},"")}function v(a){var b=a.series,c=b.chart.options.accessibility.point||{},e=b.tooltipOptions||{},k=c.valuePrefix||e.valuePrefix||"";c=c.valueSuffix||e.valueSuffix||"";e=d(a,a["undefined"!==typeof a.value?"value":"y"]);return a.isNull?b.chart.langFormat("accessibility.series.nullPointValue",
{point:a}):b.pointArrayMap?q(a,k,c):k+e+c}function u(a){var b=a.series,c=b.chart,d=c.options.accessibility.point.valueDescriptionFormat,e=(b=z(b.xAxis&&b.xAxis.options.accessibility&&b.xAxis.options.accessibility.enabled,!c.angular))?x(a):"";a={point:a,index:F(a.index)?a.index+1:"",xDescription:e,value:v(a),separator:b?", ":""};return w(d,a,c)}function t(a){var b=a.series,c=b.chart,d=u(a),e=a.options&&a.options.accessibility&&a.options.accessibility.description;e=e?" "+e:"";b=1<c.series.length&&b.name?
" "+b.name+".":"";c=a.series.chart;var k=K(a),w={point:a,annotations:k};c=k.length?c.langFormat("accessibility.series.pointAnnotationsDescription",w):"";a.accessibility=a.accessibility||{};a.accessibility.valueDescription=d;return d+e+b+(c?" "+c:"")}function C(a){var b=n(a),d=c(a);(b||d)&&a.points.forEach(function(a){var c;if(!(c=a.graphic&&a.graphic.element)&&(c=a.series&&a.series.is("sunburst"),c=a.isNull&&!c)){var d=a.series,e=h(a);d=(c=e&&e.graphic)?c.parentGroup:d.graph||d.group;e=e?{x:z(a.plotX,
e.plotX,0),y:z(a.plotY,e.plotY,0)}:{x:z(a.plotX,0),y:z(a.plotY,0)};e=a.series.chart.renderer.rect(e.x,e.y,1,1);e.attr({"class":"highcharts-a11y-dummy-point",fill:"none",opacity:0,"fill-opacity":0,"stroke-opacity":0});d&&d.element?(a.graphic=e,a.hasDummyGraphic=!0,e.add(d),d.element.insertBefore(e.element,c?c.element:null),c=e.element):c=void 0}c&&(c.setAttribute("tabindex","-1"),b?(e=a.series,d=e.chart.options.accessibility.point||{},e=e.options.accessibility||{},a=G(H(e.pointDescriptionFormatter&&
e.pointDescriptionFormatter(a)||d.descriptionFormatter&&d.descriptionFormatter(a)||t(a))),c.setAttribute("role","img"),c.setAttribute("aria-label",a)):c.setAttribute("aria-hidden",!0))})}function y(a){var c=a.chart,d=c.types||[],e=b(a),k=function(b){return c[b]&&1<c[b].length&&a[b]},w=r(a,"xAxis"),g=r(a,"yAxis"),n={name:a.name||"",ix:a.index+1,numSeries:c.series&&c.series.length,numPoints:a.points&&a.points.length,series:a};d=1<d.length?"Combination":"";return(c.langFormat("accessibility.series.summary."+
a.type+d,n)||c.langFormat("accessibility.series.summary.default"+d,n))+(e?" "+e:"")+(k("yAxis")?" "+g:"")+(k("xAxis")?" "+w:"")}var A=a.numberFormat,w=a.format,D=f.find,E=f.isNumber,z=f.pick,F=f.defined,K=l.getPointAnnotationTexts,G=m.escapeStringForHTML,L=m.reverseChildNodes,H=m.stripHTMLTagsFromString,J=p.getAxisDescription,M=p.getSeriesFirstPointElement,N=p.getSeriesA11yElement,O=p.unhideChartElementFromAT;return{describeSeries:function(a){var b=a.chart,c=M(a),d=N(a),e=b.is3d&&b.is3d();if(d){d.lastChild!==
c||e||L(d);C(a);O(b,d);e=a.chart;b=e.options.chart||{};c=1<e.series.length;e=e.options.accessibility.series.describeSingleSeries;var k=(a.options.accessibility||{}).exposeAsGroupOnly;b.options3d&&b.options3d.enabled&&c||!(c||e||k||g(a))?d.setAttribute("aria-label",""):(b=a.chart.options.accessibility,c=b.landmarkVerbosity,(a.options.accessibility||{}).exposeAsGroupOnly?d.setAttribute("role","img"):"all"===c&&d.setAttribute("role","region"),d.setAttribute("tabindex","-1"),d.setAttribute("aria-label",
G(H(b.series.descriptionFormatter&&b.series.descriptionFormatter(a)||y(a)))))}},defaultPointDescriptionFormatter:t,defaultSeriesDescriptionFormatter:y,getPointA11yTimeDescription:k,getPointXDescription:x,getPointValue:v,getPointValueDescription:u}});t(a,"modules/accessibility/utils/Announcer.js",[a["parts/Globals.js"],a["modules/accessibility/utils/DOMElementProvider.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,l){var q=l.visuallyHideElement;l=function(){function a(a,h){this.chart=
a;this.domElementProvider=new f;this.announceRegion=this.addAnnounceRegion(h)}a.prototype.destroy=function(){this.domElementProvider.destroyCreatedElements()};a.prototype.announce=function(a){var e=this;this.announceRegion.innerHTML=a;this.clearAnnouncementRegionTimer&&clearTimeout(this.clearAnnouncementRegionTimer);this.clearAnnouncementRegionTimer=setTimeout(function(){e.announceRegion.innerHTML="";delete e.clearAnnouncementRegionTimer},1E3)};a.prototype.addAnnounceRegion=function(a){var e=this.chart.renderTo,
g=this.domElementProvider.createElement("div");g.setAttribute("aria-hidden",!1);g.setAttribute("aria-live",a);q(g);e.insertBefore(g,e.firstChild);return g};return a}();return a.Announcer=l});t(a,"modules/accessibility/components/SeriesComponent/NewDataAnnouncer.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/components/SeriesComponent/SeriesDescriber.js"],a["modules/accessibility/utils/Announcer.js"],a["modules/accessibility/utils/EventProvider.js"]],
function(a,f,l,m,p,e){function h(a){var b=a.series.data.filter(function(b){return a.x===b.x&&a.y===b.y});return 1===b.length?b[0]:a}function g(a,b){var c=(a||[]).concat(b||[]).reduce(function(a,b){a[b.name+b.index]=b;return a},{});return Object.keys(c).map(function(a){return c[a]})}var n=f.extend,c=f.defined,d=l.getChartTitle,b=m.defaultPointDescriptionFormatter,r=m.defaultSeriesDescriptionFormatter;f=function(a){this.chart=a};n(f.prototype,{init:function(){var a=this.chart,b=a.options.accessibility.announceNewData.interruptUser?
"assertive":"polite";this.lastAnnouncementTime=0;this.dirty={allSeries:{}};this.eventProvider=new e;this.announcer=new p(a,b);this.addEventListeners()},destroy:function(){this.eventProvider.removeAddedEvents();this.announcer.destroy()},addEventListeners:function(){var b=this,c=this.chart,d=this.eventProvider;d.addEvent(c,"afterDrilldown",function(){b.lastAnnouncementTime=0});d.addEvent(a.Series,"updatedData",function(){b.onSeriesUpdatedData(this)});d.addEvent(c,"afterAddSeries",function(a){b.onSeriesAdded(a.series)});
d.addEvent(a.Series,"addPoint",function(a){b.onPointAdded(a.point)});d.addEvent(c,"redraw",function(){b.announceDirtyData()})},onSeriesUpdatedData:function(a){var b=this.chart;a.chart===b&&b.options.accessibility.announceNewData.enabled&&(this.dirty.hasDirty=!0,this.dirty.allSeries[a.name+a.index]=a)},onSeriesAdded:function(a){this.chart.options.accessibility.announceNewData.enabled&&(this.dirty.hasDirty=!0,this.dirty.allSeries[a.name+a.index]=a,this.dirty.newSeries=c(this.dirty.newSeries)?void 0:
a)},onPointAdded:function(a){var b=a.series.chart;this.chart===b&&b.options.accessibility.announceNewData.enabled&&(this.dirty.newPoint=c(this.dirty.newPoint)?void 0:a)},announceDirtyData:function(){var a=this;if(this.chart.options.accessibility.announceNewData&&this.dirty.hasDirty){var b=this.dirty.newPoint;b&&(b=h(b));this.queueAnnouncement(Object.keys(this.dirty.allSeries).map(function(b){return a.dirty.allSeries[b]}),this.dirty.newSeries,b);this.dirty={allSeries:{}}}},queueAnnouncement:function(a,
b,c){var d=this,e=this.chart.options.accessibility.announceNewData;if(e.enabled){var k=+new Date;e=Math.max(0,e.minAnnounceInterval-(k-this.lastAnnouncementTime));a=g(this.queuedAnnouncement&&this.queuedAnnouncement.series,a);if(b=this.buildAnnouncementMessage(a,b,c))this.queuedAnnouncement&&clearTimeout(this.queuedAnnouncementTimer),this.queuedAnnouncement={time:k,message:b,series:a},this.queuedAnnouncementTimer=setTimeout(function(){d&&d.announcer&&(d.lastAnnouncementTime=+new Date,d.announcer.announce(d.queuedAnnouncement.message),
delete d.queuedAnnouncement,delete d.queuedAnnouncementTimer)},e)}},buildAnnouncementMessage:function(c,e,g){var k=this.chart,n=k.options.accessibility.announceNewData;if(n.announcementFormatter&&(c=n.announcementFormatter(c,e,g),!1!==c))return c.length?c:null;c=a.charts&&1<a.charts.length?"Multiple":"Single";c=e?"newSeriesAnnounce"+c:g?"newPointAnnounce"+c:"newDataAnnounce";n=d(k);return k.langFormat("accessibility.announceNewData."+c,{chartTitle:n,seriesDesc:e?r(e):null,pointDesc:g?b(g):null,point:g,
series:e})}});return f});t(a,"modules/accessibility/components/SeriesComponent/forcedMarkers.js",[a["parts/Globals.js"],a["parts/Utilities.js"]],function(a,f){function q(a){p(!0,a,{marker:{enabled:!0,states:{normal:{opacity:0}}}})}var m=f.addEvent,p=f.merge;return function(){m(a.Series,"render",function(){var a=this.options,h=this.chart.options.accessibility.enabled,g=!1!==(this.options.accessibility&&this.options.accessibility.enabled);var n=this.chart.options.accessibility;n=this.points.length<
n.series.pointDescriptionEnabledThreshold||!1===n.series.pointDescriptionEnabledThreshold;var c=this.chart.options.accessibility.keyboardNavigation.seriesNavigation;c=this.points.length<c.pointNavigationEnabledThreshold||!1===c.pointNavigationEnabledThreshold;if(h&&g&&(n||c)){if(a.marker&&!1===a.marker.enabled&&(this.a11yMarkersForced=!0,q(this.options)),this._hasPointMarkers&&this.points&&this.points.length)for(a=this.points,h=a.length;h--;)g=a[h].options,g.marker&&(g.marker.enabled?p(!0,g.marker,
{states:{normal:{opacity:g.marker.states&&g.marker.states.normal&&g.marker.states.normal.opacity||1}}}):q(g))}else this.a11yMarkersForced&&this.resetMarkerOptions&&(delete this.a11yMarkersForced,a=this.resetA11yMarkerOptions,p(!0,this.options,{marker:{enabled:a.enabled,states:{normal:{opacity:a.states&&a.states.normal&&a.states.normal.opacity}}}}))});m(a.Series,"afterSetOptions",function(a){this.resetA11yMarkerOptions=p(a.options.marker||{},this.userOptions.marker||{})})}});t(a,"modules/accessibility/components/SeriesComponent/SeriesComponent.js",
[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/components/SeriesComponent/SeriesKeyboardNavigation.js"],a["modules/accessibility/components/SeriesComponent/NewDataAnnouncer.js"],a["modules/accessibility/components/SeriesComponent/forcedMarkers.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/components/SeriesComponent/SeriesDescriber.js"],a["parts/Tooltip.js"]],function(a,f,l,m,p,e,h,g,n){f=
f.extend;var c=h.hideSeriesFromAT,d=g.describeSeries;a.SeriesAccessibilityDescriber=g;e();a=function(){};a.prototype=new l;f(a.prototype,{init:function(){this.newDataAnnouncer=new p(this.chart);this.newDataAnnouncer.init();this.keyboardNavigation=new m(this.chart,this.keyCodes);this.keyboardNavigation.init();this.hideTooltipFromATWhenShown();this.hideSeriesLabelsFromATWhenShown()},hideTooltipFromATWhenShown:function(){var a=this;this.addEvent(n,"refresh",function(){this.chart===a.chart&&this.label&&
this.label.element&&this.label.element.setAttribute("aria-hidden",!0)})},hideSeriesLabelsFromATWhenShown:function(){this.addEvent(this.chart,"afterDrawSeriesLabels",function(){this.series.forEach(function(a){a.labelBySeries&&a.labelBySeries.attr("aria-hidden",!0)})})},onChartRender:function(){this.chart.series.forEach(function(a){!1!==(a.options.accessibility&&a.options.accessibility.enabled)&&a.visible?d(a):c(a)})},getKeyboardNavigation:function(){return this.keyboardNavigation.getKeyboardNavigationHandler()},
destroy:function(){this.newDataAnnouncer.destroy();this.keyboardNavigation.destroy()}});return a});t(a,"modules/accessibility/components/ZoomComponent.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,l,m,p,e){var h=f.extend,g=f.pick,n=p.unhideChartElementFromAT,c=e.setElAttrs,
d=e.removeElement;a.Axis.prototype.panStep=function(a,c){var b=c||3;c=this.getExtremes();var d=(c.max-c.min)/b*a;b=c.max+d;d=c.min+d;var e=b-d;0>a&&d<c.dataMin?(d=c.dataMin,b=d+e):0<a&&b>c.dataMax&&(b=c.dataMax,d=b-e);this.setExtremes(d,b)};a=function(){};a.prototype=new l;h(a.prototype,{init:function(){var a=this,c=this.chart;["afterShowResetZoom","afterDrilldown","drillupall"].forEach(function(b){a.addEvent(c,b,function(){a.updateProxyOverlays()})})},onChartUpdate:function(){var a=this.chart,c=
this;a.mapNavButtons&&a.mapNavButtons.forEach(function(b,d){n(a,b.element);c.setMapNavButtonAttrs(b.element,"accessibility.zoom.mapZoom"+(d?"Out":"In"))})},setMapNavButtonAttrs:function(a,d){var b=this.chart;d=b.langFormat(d,{chart:b});c(a,{tabindex:-1,role:"button","aria-label":d})},onChartRender:function(){this.updateProxyOverlays()},updateProxyOverlays:function(){var a=this.chart;d(this.drillUpProxyGroup);d(this.resetZoomProxyGroup);a.resetZoomButton&&this.recreateProxyButtonAndGroup(a.resetZoomButton,
"resetZoomProxyButton","resetZoomProxyGroup",a.langFormat("accessibility.zoom.resetZoomButton",{chart:a}));a.drillUpButton&&this.recreateProxyButtonAndGroup(a.drillUpButton,"drillUpProxyButton","drillUpProxyGroup",a.langFormat("accessibility.drillUpButton",{chart:a,buttonText:a.getDrilldownBackText()}))},recreateProxyButtonAndGroup:function(a,c,e,g){d(this[e]);this[e]=this.addProxyGroup();this[c]=this.createProxyButton(a,this[e],{"aria-label":g,tabindex:-1})},getMapZoomNavigation:function(){var a=
this.keyCodes,c=this.chart,d=this;return new m(c,{keyCodeMap:[[[a.up,a.down,a.left,a.right],function(a){return d.onMapKbdArrow(this,a)}],[[a.tab],function(a,b){return d.onMapKbdTab(this,b)}],[[a.space,a.enter],function(){return d.onMapKbdClick(this)}]],validate:function(){return!!(c.mapZoom&&c.mapNavButtons&&c.mapNavButtons.length)},init:function(a){return d.onMapNavInit(a)}})},onMapKbdArrow:function(a,c){var b=this.keyCodes;this.chart[c===b.up||c===b.down?"yAxis":"xAxis"][0].panStep(c===b.left||
c===b.up?-1:1);return a.response.success},onMapKbdTab:function(a,c){var b=this.chart;a=a.response;var d=(c=c.shiftKey)&&!this.focusedMapNavButtonIx||!c&&this.focusedMapNavButtonIx;b.mapNavButtons[this.focusedMapNavButtonIx].setState(0);if(d)return b.mapZoom(),a[c?"prev":"next"];this.focusedMapNavButtonIx+=c?-1:1;c=b.mapNavButtons[this.focusedMapNavButtonIx];b.setFocusToElement(c.box,c.element);c.setState(2);return a.success},onMapKbdClick:function(a){this.fakeClickEvent(this.chart.mapNavButtons[this.focusedMapNavButtonIx].element);
return a.response.success},onMapNavInit:function(a){var b=this.chart,c=b.mapNavButtons[0],d=b.mapNavButtons[1];c=0<a?c:d;b.setFocusToElement(c.box,c.element);c.setState(2);this.focusedMapNavButtonIx=0<a?0:1},simpleButtonNavigation:function(a,c,d){var b=this.keyCodes,e=this,n=this.chart;return new m(n,{keyCodeMap:[[[b.tab,b.up,b.down,b.left,b.right],function(a,c){return this.response[a===b.tab&&c.shiftKey||a===b.left||a===b.up?"prev":"next"]}],[[b.space,b.enter],function(){var a=d(this,n);return g(a,
this.response.success)}]],validate:function(){return n[a]&&n[a].box&&e[c]},init:function(){n.setFocusToElement(n[a].box,e[c])}})},getKeyboardNavigation:function(){return[this.simpleButtonNavigation("resetZoomButton","resetZoomProxyButton",function(a,c){c.zoomOut()}),this.simpleButtonNavigation("drillUpButton","drillUpProxyButton",function(a,c){c.drillUp();return a.response.prev}),this.getMapZoomNavigation()]}});return a});t(a,"modules/accessibility/components/RangeSelectorComponent.js",[a["parts/Globals.js"],
a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,l,m,p,e){f=f.extend;var h=p.unhideChartElementFromAT,g=e.setElAttrs;a.Chart.prototype.highlightRangeSelectorButton=function(a){var c=this.rangeSelector.buttons,d=this.highlightedRangeSelectorItemIx;"undefined"!==typeof d&&c[d]&&c[d].setState(this.oldRangeSelectorItemState||
0);this.highlightedRangeSelectorItemIx=a;return c[a]?(this.setFocusToElement(c[a].box,c[a].element),this.oldRangeSelectorItemState=c[a].state,c[a].setState(2),!0):!1};a=function(){};a.prototype=new l;f(a.prototype,{onChartUpdate:function(){var a=this.chart,c=this,d=a.rangeSelector;d&&(d.buttons&&d.buttons.length&&d.buttons.forEach(function(b){h(a,b.element);c.setRangeButtonAttrs(b)}),d.maxInput&&d.minInput&&["minInput","maxInput"].forEach(function(b,e){if(b=d[b])h(a,b),c.setRangeInputAttrs(b,"accessibility.rangeSelector."+
(e?"max":"min")+"InputLabel")}))},setRangeButtonAttrs:function(a){var c=this.chart;c=c.langFormat("accessibility.rangeSelector.buttonText",{chart:c,buttonText:a.text&&a.text.textStr});g(a.element,{tabindex:-1,role:"button","aria-label":c})},setRangeInputAttrs:function(a,c){var d=this.chart;g(a,{tabindex:-1,role:"textbox","aria-label":d.langFormat(c,{chart:d})})},getRangeSelectorButtonNavigation:function(){var a=this.chart,c=this.keyCodes,d=this;return new m(a,{keyCodeMap:[[[c.left,c.right,c.up,c.down],
function(a){return d.onButtonNavKbdArrowKey(this,a)}],[[c.enter,c.space],function(){return d.onButtonNavKbdClick(this)}]],validate:function(){return a.rangeSelector&&a.rangeSelector.buttons&&a.rangeSelector.buttons.length},init:function(b){var c=a.rangeSelector.buttons.length-1;a.highlightRangeSelectorButton(0<b?0:c)}})},onButtonNavKbdArrowKey:function(a,c){var d=a.response,b=this.keyCodes,e=this.chart,g=e.options.accessibility.keyboardNavigation.wrapAround;c=c===b.left||c===b.up?-1:1;return e.highlightRangeSelectorButton(e.highlightedRangeSelectorItemIx+
c)?d.success:g?(a.init(c),d.success):d[0<c?"next":"prev"]},onButtonNavKbdClick:function(a){a=a.response;var c=this.chart;3!==c.oldRangeSelectorItemState&&this.fakeClickEvent(c.rangeSelector.buttons[c.highlightedRangeSelectorItemIx].element);return a.success},getRangeSelectorInputNavigation:function(){var a=this.chart,c=this.keyCodes,d=this;return new m(a,{keyCodeMap:[[[c.tab,c.up,c.down],function(a,e){return d.onInputKbdMove(this,a===c.tab&&e.shiftKey||a===c.up?-1:1)}]],validate:function(){return a.rangeSelector&&
a.rangeSelector.inputGroup&&"hidden"!==a.rangeSelector.inputGroup.element.getAttribute("visibility")&&!1!==a.options.rangeSelector.inputEnabled&&a.rangeSelector.minInput&&a.rangeSelector.maxInput},init:function(a){d.onInputNavInit(a)},terminate:function(){d.onInputNavTerminate()}})},onInputKbdMove:function(a,c){var d=this.chart;a=a.response;var b=d.highlightedInputRangeIx+=c;if(1<b||0>b)return a[0<c?"next":"prev"];d.rangeSelector[b?"maxInput":"minInput"].focus();return a.success},onInputNavInit:function(a){var c=
this.chart;a=0<a?0:1;c.highlightedInputRangeIx=a;c.rangeSelector[a?"maxInput":"minInput"].focus()},onInputNavTerminate:function(){var a=this.chart.rangeSelector||{};a.maxInput&&a.hideInput("max");a.minInput&&a.hideInput("min")},getKeyboardNavigation:function(){return[this.g