178 lines
85 KiB
JavaScript
178 lines
85 KiB
JavaScript
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/*
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Highcharts JS v8.1.0 (2020-05-05)
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Accessibility module
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(c) 2010-2019 Highsoft AS
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Author: Oystein Moseng
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License: www.highcharts.com/license
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*/
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(function(v){"object"===typeof module&&module.exports?(v["default"]=v,module.exports=v):"function"===typeof define&&define.amd?define("highcharts/modules/accessibility",["highcharts"],function(r){v(r);v.Highcharts=r;return v}):v("undefined"!==typeof Highcharts?Highcharts:void 0)})(function(v){function r(a,f,q,l){a.hasOwnProperty(f)||(a[f]=l.apply(null,q))}var a=v?v._modules:{};r(a,"modules/accessibility/utils/htmlUtilities.js",[a["parts/Utilities.js"],a["parts/Globals.js"]],function(a,f){function h(a){return a.replace(/&/g,
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"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'").replace(/\//g,"/")}var l=a.merge,n=f.win,e=n.document;return{addClass:function(a,e){a.classList?a.classList.add(e):0>a.className.indexOf(e)&&(a.className+=e)},escapeStringForHTML:h,getElement:function(a){return e.getElementById(a)},getFakeMouseEvent:function(a){if("function"===typeof n.MouseEvent)return new n.MouseEvent(a);if(e.createEvent){var t=e.createEvent("MouseEvent");if(t.initMouseEvent)return t.initMouseEvent(a,
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!0,!0,n,"click"===a?1:0,0,0,0,0,!1,!1,!1,!1,0,null),t}return{type:a}},removeElement:function(a){a&&a.parentNode&&a.parentNode.removeChild(a)},reverseChildNodes:function(a){for(var e=a.childNodes.length;e--;)a.appendChild(a.childNodes[e])},setElAttrs:function(a,e){Object.keys(e).forEach(function(k){var d=e[k];null===d?a.removeAttribute(k):(d=h(""+d),a.setAttribute(k,d))})},stripHTMLTagsFromString:function(a){return"string"===typeof a?a.replace(/<\/?[^>]+(>|$)/g,""):a},visuallyHideElement:function(a){l(!0,
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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"})}}});r(a,"modules/accessibility/utils/chartUtilities.js",[a["modules/accessibility/utils/htmlUtilities.js"],a["parts/Utilities.js"]],function(a,f){function h(a){if(a.points&&a.points.length&&a.points[0].graphic)return a.points[0].graphic.element}function l(a){var d=
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h(a);return d&&d.parentNode||a.graph&&a.graph.element||a.group&&a.group.element}function n(a,d){d.setAttribute("aria-hidden",!1);d!==a.renderTo&&d.parentNode&&(Array.prototype.forEach.call(d.parentNode.childNodes,function(c){c.hasAttribute("aria-hidden")||c.setAttribute("aria-hidden",!0)}),n(a,d.parentNode))}var e=a.stripHTMLTagsFromString,t=f.defined,p=f.find;return{getChartTitle:function(a){return e(a.options.title.text||a.langFormat("accessibility.defaultChartTitle",{chart:a}))},getAxisDescription:function(a){return e(a&&
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(a.userOptions&&a.userOptions.accessibility&&a.userOptions.accessibility.description||a.axisTitle&&a.axisTitle.textStr||a.options.id||a.categories&&"categories"||a.dateTime&&"Time"||"values"))},getPointFromXY:function(a,d,c){for(var b=a.length,g;b--;)if(g=p(a[b].points||[],function(b){return b.x===d&&b.y===c}))return g},getSeriesFirstPointElement:h,getSeriesFromName:function(a,d){return d?(a.series||[]).filter(function(c){return c.name===d}):a.series},getSeriesA11yElement:l,unhideChartElementFromAT:n,
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hideSeriesFromAT:function(a){(a=l(a))&&a.setAttribute("aria-hidden",!0)},scrollToPoint:function(a){var d=a.series.xAxis,c=a.series.yAxis,b=(null===d||void 0===d?0:d.scrollbar)?d:c;if((d=null===b||void 0===b?void 0:b.scrollbar)&&t(d.to)&&t(d.from)){c=d.to-d.from;if(t(b.dataMin)&&t(b.dataMax)){var g=b.toPixels(b.dataMin),m=b.toPixels(b.dataMax);a=(b.toPixels(a["xAxis"===b.coll?"x":"y"]||0)-g)/(m-g)}else a=0;d.updatePosition(a-c/2,a+c/2);v.fireEvent(d,"changed",{from:d.from,to:d.to,trigger:"scrollbar",
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DOMEvent:null})}}}});r(a,"modules/accessibility/KeyboardNavigationHandler.js",[a["parts/Utilities.js"]],function(a){function h(a,h){this.chart=a;this.keyCodeMap=h.keyCodeMap||[];this.validate=h.validate;this.init=h.init;this.terminate=h.terminate;this.response={success:1,prev:2,next:3,noHandler:4,fail:5}}var q=a.find;h.prototype={run:function(a){var h=a.which||a.keyCode,e=this.response.noHandler,t=q(this.keyCodeMap,function(a){return-1<a[0].indexOf(h)});t?e=t[1].call(this,h,a):9===h&&(e=this.response[a.shiftKey?
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"prev":"next"]);return e}};return h});r(a,"modules/accessibility/utils/EventProvider.js",[a["parts/Globals.js"],a["parts/Utilities.js"]],function(a,f){var h=f.addEvent;f=f.extend;var l=function(){this.eventRemovers=[]};f(l.prototype,{addEvent:function(){var f=h.apply(a,arguments);this.eventRemovers.push(f);return f},removeAddedEvents:function(){this.eventRemovers.forEach(function(a){a()});this.eventRemovers=[]}});return l});r(a,"modules/accessibility/utils/DOMElementProvider.js",[a["parts/Globals.js"],
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a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,q){var h=a.win.document;a=f.extend;var n=q.removeElement;q=function(){this.elements=[]};a(q.prototype,{createElement:function(){var a=h.createElement.apply(h,arguments);this.elements.push(a);return a},destroyCreatedElements:function(){this.elements.forEach(function(a){n(a)});this.elements=[]}});return q});r(a,"modules/accessibility/AccessibilityComponent.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"],
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a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/EventProvider.js"],a["modules/accessibility/utils/DOMElementProvider.js"]],function(a,f,q,l,n,e){function h(){}var p=a.win,k=p.document;a=f.extend;var d=f.fireEvent,c=f.merge,b=q.removeElement,g=q.getFakeMouseEvent,m=l.unhideChartElementFromAT;h.prototype={initBase:function(b){this.chart=b;this.eventProvider=new n;this.domElementProvider=new e;this.keyCodes={left:37,right:39,up:38,down:40,enter:13,space:32,esc:27,tab:9}},
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addEvent:function(){return this.eventProvider.addEvent.apply(this.eventProvider,arguments)},createElement:function(){return this.domElementProvider.createElement.apply(this.domElementProvider,arguments)},fireEventOnWrappedOrUnwrappedElement:function(b,c){var a=c.type;k.createEvent&&(b.dispatchEvent||b.fireEvent)?b.dispatchEvent?b.dispatchEvent(c):b.fireEvent(a,c):d(b,a,c)},fakeClickEvent:function(b){if(b){var c=g("click");this.fireEventOnWrappedOrUnwrappedElement(b,c)}},addProxyGroup:function(b){this.createOrUpdateProxyContainer();
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var c=this.createElement("div");Object.keys(b||{}).forEach(function(a){null!==b[a]&&c.setAttribute(a,b[a])});this.chart.a11yProxyContainer.appendChild(c);return c},createOrUpdateProxyContainer:function(){var b=this.chart,c=b.renderer.box;b.a11yProxyContainer=b.a11yProxyContainer||this.createProxyContainerElement();c.nextSibling!==b.a11yProxyContainer&&b.container.insertBefore(b.a11yProxyContainer,c.nextSibling)},createProxyContainerElement:function(){var b=k.createElement("div");b.className="highcharts-a11y-proxy-container";
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return b},createProxyButton:function(b,a,g,d,z){var x=b.element,u=this.createElement("button"),e=c({"aria-label":x.getAttribute("aria-label")},g);b=this.getElementPosition(d||b);Object.keys(e).forEach(function(b){null!==e[b]&&u.setAttribute(b,e[b])});u.className="highcharts-a11y-proxy-button";z&&this.addEvent(u,"click",z);this.setProxyButtonStyle(u,b);this.proxyMouseEventsForButton(x,u);a.appendChild(u);e["aria-hidden"]||m(this.chart,u);return u},getElementPosition:function(b){var c=b.element;return(b=
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this.chart.renderTo)&&c&&c.getBoundingClientRect?(c=c.getBoundingClientRect(),b=b.getBoundingClientRect(),{x:c.left-b.left,y:c.top-b.top,width:c.right-c.left,height:c.bottom-c.top}):{x:0,y:0,width:1,height:1}},setProxyButtonStyle:function(b,a){c(!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",
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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,c){var a=this;"click touchstart touchend touchcancel touchmove mouseover mouseenter mouseleave mouseout".split(" ").forEach(function(g){a.addEvent(c,g,function(c){var g=a.cloneMouseEvent(c);b&&a.fireEventOnWrappedOrUnwrappedElement(b,g);c.stopPropagation();c.preventDefault()})})},cloneMouseEvent:function(b){if("function"===typeof p.MouseEvent)return new p.MouseEvent(b.type,
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b);if(k.createEvent){var c=k.createEvent("MouseEvent");if(c.initMouseEvent)return c.initMouseEvent(b.type,b.bubbles,b.cancelable,b.view||p,b.detail,b.screenX,b.screenY,b.clientX,b.clientY,b.ctrlKey,b.altKey,b.shiftKey,b.metaKey,b.button,b.relatedTarget),c}return g(b.type)},destroyBase:function(){b(this.chart.a11yProxyContainer);this.domElementProvider.destroyCreatedElements();this.eventProvider.removeAddedEvents()}};a(h.prototype,{init:function(){},getKeyboardNavigation:function(){},onChartUpdate:function(){},
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onChartRender:function(){},destroy:function(){}});return h});r(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,q,l){function h(c,b){this.init(c,b)}var e=a.win,t=e.document,p=f.addEvent,k=f.fireEvent,d=q.getElement;p(t,"keydown",function(c){27===(c.which||c.keyCode)&&a.charts&&a.charts.forEach(function(b){b&&b.dismissPopupContent&&b.dismissPopupContent()})});
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a.Chart.prototype.dismissPopupContent=function(){var c=this;k(this,"dismissPopupContent",{},function(){c.tooltip&&c.tooltip.hide(0);c.hideExportMenu()})};h.prototype={init:function(c,b){var a=this,d=this.eventProvider=new l;this.chart=c;this.components=b;this.modules=[];this.currentModuleIx=0;d.addEvent(c.renderTo,"keydown",function(b){return a.onKeydown(b)});d.addEvent(c.container,"focus",function(b){return a.onFocus(b)});d.addEvent(t,"mouseup",function(){return a.onMouseUp()});d.addEvent(c.renderTo,
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"mousedown",function(){a.isClickingChart=!0});d.addEvent(c.renderTo,"mouseover",function(){a.pointerIsOverChart=!0});d.addEvent(c.renderTo,"mouseout",function(){a.pointerIsOverChart=!1});this.update();this.modules.length&&this.modules[0].init(1)},update:function(c){var b=this.chart.options.accessibility;b=b&&b.keyboardNavigation;var a=this.components;this.updateContainerTabindex();b&&b.enabled&&c&&c.length?(this.modules=c.reduce(function(b,c){c=a[c].getKeyboardNavigation();return b.concat(c)},[]),
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this.updateExitAnchor()):(this.modules=[],this.currentModuleIx=0,this.removeExitAnchor())},onFocus:function(c){var b,a=this.chart;c=c.relatedTarget&&a.container.contains(c.relatedTarget);this.isClickingChart||c||(null===(b=this.modules[0])||void 0===b?void 0:b.init(1))},onMouseUp:function(){delete this.isClickingChart;if(!this.keyboardReset&&!this.pointerIsOverChart){var c=this.chart,b=this.modules&&this.modules[this.currentModuleIx||0];b&&b.terminate&&b.terminate();c.focusElement&&c.focusElement.removeFocusBorder();
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this.currentModuleIx=0;this.keyboardReset=!0}},onKeydown:function(c){c=c||e.event;var b,a=this.modules&&this.modules.length&&this.modules[this.currentModuleIx];this.keyboardReset=!1;if(a){var d=a.run(c);d===a.response.success?b=!0:d===a.response.prev?b=this.prev():d===a.response.next&&(b=this.next());b&&(c.preventDefault(),c.stopPropagation())}},prev:function(){return this.move(-1)},next:function(){return this.move(1)},move:function(c){var b=this.modules&&this.modules[this.currentModuleIx];b&&b.terminate&&
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b.terminate(c);this.chart.focusElement&&this.chart.focusElement.removeFocusBorder();this.currentModuleIx+=c;if(b=this.modules&&this.modules[this.currentModuleIx]){if(b.validate&&!b.validate())return this.move(c);if(b.init)return b.init(c),!0}this.currentModuleIx=0;0<c?(this.exiting=!0,this.exitAnchor.focus()):this.chart.container.focus();return!1},updateExitAnchor:function(){var c=d("highcharts-end-of-chart-marker-"+this.chart.index);this.removeExitAnchor();c?(this.makeElementAnExitAnchor(c),this.exitAnchor=
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c):this.createExitAnchor()},updateContainerTabindex:function(){var c=this.chart.options.accessibility;c=c&&c.keyboardNavigation;c=!(c&&!1===c.enabled);var b=this.chart.container,a=b.getAttribute("tabIndex");c&&!a?b.setAttribute("tabindex","0"):c||"0"!==a||b.removeAttribute("tabindex")},makeElementAnExitAnchor:function(c){c.setAttribute("class","highcharts-exit-anchor");c.setAttribute("tabindex","0");c.setAttribute("aria-hidden",!1);this.addExitAnchorEventsToEl(c)},createExitAnchor:function(){var c=
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this.chart,b=this.exitAnchor=t.createElement("div");c.renderTo.appendChild(b);this.makeElementAnExitAnchor(b)},removeExitAnchor:function(){this.exitAnchor&&this.exitAnchor.parentNode&&(this.exitAnchor.parentNode.removeChild(this.exitAnchor),delete this.exitAnchor)},addExitAnchorEventsToEl:function(c){var b=this.chart,a=this;this.eventProvider.addEvent(c,"focus",function(c){c=c||e.event;c.relatedTarget&&b.container.contains(c.relatedTarget)||a.exiting?a.exiting=!1:(b.renderTo.focus(),c.preventDefault(),
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a.modules&&a.modules.length&&(a.currentModuleIx=a.modules.length-1,(c=a.modules[a.currentModuleIx])&&c.validate&&!c.validate()?a.prev():c&&c.init(-1)))})},destroy:function(){this.removeExitAnchor();this.eventProvider.removeAddedEvents();"0"===this.chart.container.getAttribute("tabindex")&&this.chart.container.removeAttribute("tabindex")}};return h});r(a,"modules/accessibility/components/LegendComponent.js",[a["parts/Globals.js"],a["parts/Legend.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],
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a["modules/accessibility/KeyboardNavigationHandler.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f,q,l,n,e){var h=q.addEvent,p=q.extend,k=q.fireEvent,d=e.stripHTMLTagsFromString,c=e.removeElement;a.Chart.prototype.highlightLegendItem=function(b){var c=this.legend.allItems,a=this.highlightedLegendItemIx;if(c[b]){c[a]&&k(c[a].legendGroup.element,"mouseout");a=this.legend;var d=a.allItems[b].pageIx,e=a.currentPage;"undefined"!==typeof d&&d+1!==e&&a.scroll(1+d-e);this.setFocusToElement(c[b].legendItem,
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c[b].a11yProxyElement);k(c[b].legendGroup.element,"mouseover");return!0}return!1};h(f,"afterColorizeItem",function(b){var c=b.item;this.chart.options.accessibility.enabled&&c&&c.a11yProxyElement&&c.a11yProxyElement.setAttribute("aria-pressed",b.visible?"false":"true")});a=function(){};a.prototype=new l;p(a.prototype,{init:function(){var b=this;this.addEvent(f,"afterScroll",function(){this.chart===b.chart&&b.updateProxies()})},updateLegendItemProxyVisibility:function(){var b=this.chart.legend,c=b.currentPage||
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1,a=b.clipHeight||0;(b.allItems||[]).forEach(function(d){var g=d.pageIx||0,m=d._legendItemPos?d._legendItemPos[1]:0,u=d.legendItem?Math.round(d.legendItem.getBBox().height):0;g=m+u-b.pages[g]>a||g!==c-1;d.a11yProxyElement&&(d.a11yProxyElement.style.visibility=g?"hidden":"visible")})},onChartRender:function(){this.legendProxyButtonClicked?delete this.legendProxyButtonClicked:this.updateProxies()},updateProxies:function(){c(this.legendProxyGroup);var b=this.chart,a=b.legend&&b.legend.allItems,d=b.options.legend.accessibility||
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{};!a||!a.length||b.colorAxis&&b.colorAxis.length||!1===d.enabled||(this.addLegendProxyGroup(),this.proxyLegendItems(),this.updateLegendItemProxyVisibility())},addLegendProxyGroup:function(){var b=this.chart.options.accessibility,c=this.chart.langFormat("accessibility.legend.legendLabel",{});this.legendProxyGroup=this.addProxyGroup({"aria-label":c,role:"all"===b.landmarkVerbosity?"region":null})},proxyLegendItems:function(){var b=this;(this.chart.legend&&this.chart.legend.allItems||[]).forEach(function(c){c.legendItem&&
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c.legendItem.element&&b.proxyLegendItem(c)})},proxyLegendItem:function(b){var c=this,a=this.chart.langFormat("accessibility.legend.legendItem",{chart:this.chart,itemName:d(b.name)});b.a11yProxyElement=this.createProxyButton(b.legendItem,this.legendProxyGroup,{tabindex:-1,"aria-pressed":!b.visible,"aria-label":a},b.legendGroup.div?b.legendItem:b.legendGroup,function(){c.legendProxyButtonClicked=!0})},getKeyboardNavigation:function(){var b=this.keyCodes,c=this;return new n(this.chart,{keyCodeMap:[[[b.left,
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b.right,b.up,b.down],function(b){return c.onKbdArrowKey(this,b)}],[[b.enter,b.space],function(){return c.onKbdClick(this)}]],validate:function(){return c.shouldHaveLegendNavigation()},init:function(b){return c.onKbdNavigationInit(b)}})},onKbdArrowKey:function(b,c){var a=this.keyCodes,d=b.response,g=this.chart,e=g.options.accessibility,u=g.legend.allItems.length;c=c===a.left||c===a.up?-1:1;return g.highlightLegendItem(this.highlightedLegendItemIx+c)?(this.highlightedLegendItemIx+=c,d.success):1<u&&
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e.keyboardNavigation.wrapAround?(b.init(c),d.success):d[0<c?"next":"prev"]},onKbdClick:function(b){var c=this.chart.legend.allItems[this.highlightedLegendItemIx];c&&c.a11yProxyElement&&k(c.a11yProxyElement,"click");return b.response.success},shouldHaveLegendNavigation:function(){var b=this.chart,c=b.colorAxis&&b.colorAxis.length,a=(b.options.legend||{}).accessibility||{};return!!(b.legend&&b.legend.allItems&&b.legend.display&&!c&&a.enabled&&a.keyboardNavigation&&a.keyboardNavigation.enabled)},onKbdNavigationInit:function(b){var c=
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this.chart,a=c.legend.allItems.length-1;b=0<b?0:a;c.highlightLegendItem(b);this.highlightedLegendItemIx=b}});return a});r(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,q,l,n,e){function h(c){return c.exportSVGElements&&c.exportSVGElements[0]}
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f=f.extend;var p=n.unhideChartElementFromAT,k=e.removeElement,d=e.getFakeMouseEvent;a.Chart.prototype.showExportMenu=function(){var c=h(this);if(c&&(c=c.element,c.onclick))c.onclick(d("click"))};a.Chart.prototype.hideExportMenu=function(){var c=this.exportDivElements;c&&this.exportContextMenu&&(c.forEach(function(b){if("highcharts-menu-item"===b.className&&b.onmouseout)b.onmouseout(d("mouseout"))}),this.highlightedExportItemIx=0,this.exportContextMenu.hideMenu(),this.container.focus())};a.Chart.prototype.highlightExportItem=
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function(c){var b=this.exportDivElements&&this.exportDivElements[c],a=this.exportDivElements&&this.exportDivElements[this.highlightedExportItemIx];if(b&&"LI"===b.tagName&&(!b.children||!b.children.length)){var m=!!(this.renderTo.getElementsByTagName("g")[0]||{}).focus;b.focus&&m&&b.focus();if(a&&a.onmouseout)a.onmouseout(d("mouseout"));if(b.onmouseover)b.onmouseover(d("mouseover"));this.highlightedExportItemIx=c;return!0}return!1};a.Chart.prototype.highlightLastExportItem=function(){var c;if(this.exportDivElements)for(c=
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this.exportDivElements.length;c--;)if(this.highlightExportItem(c))return!0;return!1};a=function(){};a.prototype=new q;f(a.prototype,{init:function(){var c=this.chart,b=this;this.addEvent(c,"exportMenuShown",function(){b.onMenuShown()});this.addEvent(c,"exportMenuHidden",function(){b.onMenuHidden()})},onMenuHidden:function(){var c=this.chart.exportContextMenu;c&&c.setAttribute("aria-hidden","true");this.isExportMenuShown=!1;this.setExportButtonExpandedState("false")},onMenuShown:function(){var c=this.chart,
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b=c.exportContextMenu;b&&(this.addAccessibleContextMenuAttribs(),p(c,b));this.isExportMenuShown=!0;this.setExportButtonExpandedState("true")},setExportButtonExpandedState:function(c){var b=this.exportButtonProxy;b&&b.setAttribute("aria-expanded",c)},onChartRender:function(){var c=this.chart,b=c.options.accessibility;k(this.exportProxyGroup);var a=c.options.exporting,d=h(c);a&&!1!==a.enabled&&a.accessibility&&a.accessibility.enabled&&d&&d.element&&(this.exportProxyGroup=this.addProxyGroup("all"===
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b.landmarkVerbosity?{"aria-label":c.langFormat("accessibility.exporting.exportRegionLabel",{chart:c}),role:"region"}:{}),b=h(this.chart),this.exportButtonProxy=this.createProxyButton(b,this.exportProxyGroup,{"aria-label":c.langFormat("accessibility.exporting.menuButtonLabel",{chart:c}),"aria-expanded":"false"}))},addAccessibleContextMenuAttribs:function(){var c=this.chart,b=c.exportDivElements;b&&b.length&&(b.forEach(function(b){"LI"!==b.tagName||b.children&&b.children.length?b.setAttribute("aria-hidden",
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"true"):b.setAttribute("tabindex",-1)}),b=b[0].parentNode,b.removeAttribute("aria-hidden"),b.setAttribute("aria-label",c.langFormat("accessibility.exporting.chartMenuLabel",{chart:c})))},getKeyboardNavigation:function(){var c=this.keyCodes,b=this.chart,a=this;return new l(b,{keyCodeMap:[[[c.left,c.up],function(){return a.onKbdPrevious(this)}],[[c.right,c.down],function(){return a.onKbdNext(this)}],[[c.enter,c.space],function(){return a.onKbdClick(this)}],[[c.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 c=a.exportButtonProxy,d=b.exportingGroup;d&&c&&b.setFocusToElement(d,c)},terminate:function(){b.hideExportMenu()}})},onKbdPrevious:function(c){var b=this.chart,a=b.options.accessibility;c=c.response;for(var d=b.highlightedExportItemIx||0;d--;)if(b.highlightExportItem(d))return c.success;return a.keyboardNavigation.wrapAround?(b.highlightLastExportItem(),c.success):
|
||
|
|
c.prev},onKbdNext:function(c){var b=this.chart,a=b.options.accessibility;c=c.response;for(var d=(b.highlightedExportItemIx||0)+1;d<b.exportDivElements.length;++d)if(b.highlightExportItem(d))return c.success;return a.keyboardNavigation.wrapAround?(b.highlightExportItem(0),c.success):c.next},onKbdClick:function(c){var b=this.chart,a=b.exportDivElements[b.highlightedExportItemIx],d=h(b).element;this.isExportMenuShown?this.fakeClickEvent(a):(this.fakeClickEvent(d),b.highlightExportItem(0));return c.response.success}});
|
||
|
|
return a});r(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,q,l,n,e){function h(b){var c=b.index,a=b.series.points,d=a.length;if(a[c]!==b)for(;d--;){if(a[d]===b)return d}else return c}function p(b){var c=b.chart.options.accessibility.keyboardNavigation.seriesNavigation,
|
||
|
|
a=b.options.accessibility||{},d=a.keyboardNavigation;return d&&!1===d.enabled||!1===a.enabled||!1===b.options.enableMouseTracking||!b.visible||c.pointNavigationEnabledThreshold&&c.pointNavigationEnabledThreshold<=b.points.length}function k(b){var c=b.series.chart.options.accessibility;return b.isNull&&c.keyboardNavigation.seriesNavigation.skipNullPoints||!1===b.visible||p(b.series)}function d(b,c,a,d){var g=Infinity,w=c.points.length,e=function(b){return!(m(b.plotX)&&m(b.plotY))};if(!e(b)){for(;w--;){var u=
|
||
|
|
c.points[w];if(!e(u)&&(u=(b.plotX-u.plotX)*(b.plotX-u.plotX)*(a||1)+(b.plotY-u.plotY)*(b.plotY-u.plotY)*(d||1),u<g)){g=u;var z=w}}return m(z)?c.points[z]:void 0}}function c(b){var c=!1;delete b.highlightedPoint;return c=b.series.reduce(function(b,c){return b||c.highlightFirstValidPoint()},!1)}function b(b,c){this.keyCodes=c;this.chart=b}var g=q.extend,m=q.defined,x=e.getPointFromXY,A=e.getSeriesFromName,B=e.scrollToPoint;a.Series.prototype.keyboardMoveVertical=!0;["column","pie"].forEach(function(b){a.seriesTypes[b]&&
|
||
|
|
(a.seriesTypes[b].prototype.keyboardMoveVertical=!1)});f.prototype.highlight=function(){var b=this.series.chart;if(this.isNull)b.tooltip&&b.tooltip.hide(0);else this.onMouseOver();B(this);this.graphic&&b.setFocusToElement(this.graphic);b.highlightedPoint=this;return this};a.Chart.prototype.highlightAdjacentPoint=function(b){var c=this.series,a=this.highlightedPoint,d=a&&h(a)||0,m=a&&a.series.points,g=this.series&&this.series[this.series.length-1];g=g&&g.points&&g.points[g.points.length-1];if(!c[0]||
|
||
|
|
!c[0].points)return!1;if(a){if(c=c[a.series.index+(b?1:-1)],d=m[d+(b?1:-1)],!d&&c&&(d=c.points[b?0:c.points.length-1]),!d)return!1}else d=b?c[0].points[0]:g;return k(d)?(c=d.series,p(c)?this.highlightedPoint=b?c.points[c.points.length-1]:c.points[0]:this.highlightedPoint=d,this.highlightAdjacentPoint(b)):d.highlight()};a.Series.prototype.highlightFirstValidPoint=function(){var b=this.chart.highlightedPoint,c=(b&&b.series)===this?h(b):0;b=this.points;var a=b.length;if(b&&a){for(var d=c;d<a;++d)if(!k(b[d]))return b[d].highlight();
|
||
|
|
for(;0<=c;--c)if(!k(b[c]))return b[c].highlight()}return!1};a.Chart.prototype.highlightAdjacentSeries=function(b){var c,a=this.highlightedPoint;var g=(c=this.series&&this.series[this.series.length-1])&&c.points&&c.points[c.points.length-1];if(!this.highlightedPoint)return c=b?this.series&&this.series[0]:c,(g=b?c&&c.points&&c.points[0]:g)?g.highlight():!1;c=this.series[a.series.index+(b?-1:1)];if(!c)return!1;g=d(a,c,4);if(!g)return!1;if(p(c))return g.highlight(),b=this.highlightAdjacentSeries(b),b?
|
||
|
|
b:(a.highlight(),!1);g.highlight();return g.series.highlightFirstValidPoint()};a.Chart.prototype.highlightAdjacentPointVertical=function(b){var c=this.highlightedPoint,a=Infinity,d;if(!m(c.plotX)||!m(c.plotY))return!1;this.series.forEach(function(g){p(g)||g.points.forEach(function(w){if(m(w.plotY)&&m(w.plotX)&&w!==c){var e=w.plotY-c.plotY,x=Math.abs(w.plotX-c.plotX);x=Math.abs(e)*Math.abs(e)+x*x*4;g.yAxis&&g.yAxis.reversed&&(e*=-1);!(0>=e&&b||0<=e&&!b||5>x||k(w))&&x<a&&(a=x,d=w)}})});return d?d.highlight():
|
||
|
|
!1};g(b.prototype,{init:function(){var b=this,d=this.chart,g=this.eventProvider=new n;g.addEvent(a.Series,"destroy",function(){return b.onSeriesDestroy(this)});g.addEvent(d,"afterDrilldown",function(){c(this);this.focusElement&&this.focusElement.removeFocusBorder()});g.addEvent(d,"drilldown",function(c){c=c.point;var a=c.series;b.lastDrilledDownPoint={x:c.x,y:c.y,seriesName:a?a.name:""}});g.addEvent(d,"drillupall",function(){setTimeout(function(){b.onDrillupAll()},10)})},onDrillupAll:function(){var b=
|
||
|
|
this.lastDrilledDownPoint,c=this.chart,a=b&&A(c,b.seriesName),d;b&&a&&m(b.x)&&m(b.y)&&(d=x(a,b.x,b.y));c.container&&c.container.focus();d&&d.highlight&&d.highlight();c.focusElement&&c.focusElement.removeFocusBorder()},getKeyboardNavigationHandler:function(){var b=this,c=this.keyCodes,a=this.chart,d=a.inverted;return new l(a,{keyCodeMap:[[d?[c.up,c.down]:[c.left,c.right],function(c){return b.onKbdSideways(this,c)}],[d?[c.left,c.right]:[c.up,c.down],function(c){return b.onKbdVertical(this,c)}],[[c.enter,
|
||
|
|
c.space],function(){a.highlightedPoint&&a.highlightedPoint.firePointEvent("click");return this.response.success}]],init:function(c){return b.onHandlerInit(this,c)},terminate:function(){return b.onHandlerTerminate()}})},onKbdSideways:function(b,c){var a=this.keyCodes;return this.attemptHighlightAdjacentPoint(b,c===a.right||c===a.down)},onKbdVertical:function(b,c){var a=this.chart,d=this.keyCodes;c=c===d.down||c===d.right;d=a.options.accessibility.keyboardNavigation.seriesNavigation;if(d.mode&&"serialize"===
|
||
|
|
d.mode)return this.attemptHighlightAdjacentPoint(b,c);a[a.highlightedPoint&&a.highlightedPoint.series.keyboardMoveVertical?"highlightAdjacentPointVertical":"highlightAdjacentSeries"](c);return b.response.success},onHandlerInit:function(b,a){var d=this.chart;if(0<a)c(d);else{a=d.series.length;for(var g;a--&&!(d.highlightedPoint=d.series[a].points[d.series[a].points.length-1],g=d.series[a].highlightFirstValidPoint()););}return b.response.success},onHandlerTerminate:function(){var b,c,a=this.chart,d=
|
||
|
|
a.highlightedPoint;null===(b=a.tooltip)||void 0===b?void 0:b.hide(0);null===(c=null===d||void 0===d?void 0:d.onMouseOut)||void 0===c?void 0:c.call(d);delete a.highlightedPoint},attemptHighlightAdjacentPoint:function(b,c){var a=this.chart,d=a.options.accessibility.keyboardNavigation.wrapAround;return a.highlightAdjacentPoint(c)?b.response.success:d?b.init(c?1:-1):b.response[c?"next":"prev"]},onSeriesDestroy:function(b){var c=this.chart;c.highlightedPoint&&c.highlightedPoint.series===b&&(delete c.highlightedPoint,
|
||
|
|
c.focusElement&&c.focusElement.removeFocusBorder())},destroy:function(){this.eventProvider.removeAddedEvents()}});return b});r(a,"modules/accessibility/components/AnnotationsA11y.js",[a["parts/Utilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],function(a,f){function h(a){return(a.annotations||[]).reduce(function(c,b){var a;!1!==(null===(a=b.options)||void 0===a?void 0:a.visible)&&(c=c.concat(b.labels));return c},[])}function l(a){var c,b,d,m,e=null===(b=null===(c=a.options)||void 0===
|
||
|
|
c?void 0:c.accessibility)||void 0===b?void 0:b.description;return e?e:(null===(m=null===(d=a.graphic)||void 0===d?void 0:d.text)||void 0===m?void 0:m.textStr)||""}function n(a){var c,b,d=null===(b=null===(c=a.options)||void 0===c?void 0:c.accessibility)||void 0===b?void 0:b.description;if(d)return d;c=a.chart;b=l(a);d=a.points.filter(function(b){return!!b.graphic}).map(function(b){var c,a;if(!(a=null===(c=null===b||void 0===b?void 0:b.accessibility)||void 0===c?void 0:c.valueDescription)){var d,g;
|
||
|
|
a=(null===(g=null===(d=null===b||void 0===b?void 0:b.graphic)||void 0===d?void 0:d.element)||void 0===g?void 0:g.getAttribute("aria-label"))||""}b=(null===b||void 0===b?void 0:b.series.name)||"";return(b?b+", ":"")+"data point "+a}).filter(function(b){return!!b});var m=d.length;a="accessibility.screenReaderSection.annotations.description"+(1<m?"MultiplePoints":m?"SinglePoint":"NoPoints");b={annotationText:b,numPoints:m,annotationPoint:d[0],additionalAnnotationPoints:d.slice(1)};return c.langFormat(a,
|
||
|
|
b)}function e(a){return h(a).map(function(c){return(c=p(k(n(c))))?"<li>"+c+"</li>":""})}var t=a.inArray,p=f.escapeStringForHTML,k=f.stripHTMLTagsFromString;return{getAnnotationsInfoHTML:function(a){var c=a.annotations;return c&&c.length?"<ul>"+e(a).join(" ")+"</ul>":""},getAnnotationLabelDescription:n,getAnnotationListItems:e,getPointAnnotationTexts:function(a){var c=h(a.series.chart).filter(function(b){return-1<t(a,b.points)});return c.length?c.map(function(b){return""+l(b)}):[]}}});r(a,"modules/accessibility/components/SeriesComponent/SeriesDescriber.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,q,l,n){function e(b){var c=b.index;return b.series&&b.series.data&&F(c)?C(b.series.data,function(b){return!!(b&&"undefined"!==typeof b.index&&b.index>c&&b.graphic&&b.graphic.element)})||null:null}function h(b){var c=b.chart.options.accessibility.series.pointDescriptionEnabledThreshold;
|
||
|
|
return!!(!1!==c&&b.points&&b.points.length>=c)}function p(b){var c=b.options.accessibility||{};return!h(b)&&!c.exposeAsGroupOnly}function k(b){var c=b.chart.options.accessibility.keyboardNavigation.seriesNavigation;return!(!b.points||!(b.points.length<c.pointNavigationEnabledThreshold||!1===c.pointNavigationEnabledThreshold))}function d(b,c){var a=b.series.chart,d=a.options.accessibility.point||{};b=b.series.tooltipOptions||{};a=a.options.lang;return w(c)?D(c,d.valueDecimals||b.valueDecimals||-1,
|
||
|
|
a.decimalPoint,a.accessibility.thousandsSep||a.thousandsSep):c}function c(b){var c=(b.options.accessibility||{}).description;return c&&b.chart.langFormat("accessibility.series.description",{description:c,series:b})||""}function b(b,c){return b.chart.langFormat("accessibility.series."+c+"Description",{name:J(b[c]),series:b})}function g(b){var c=b.series,a=c.chart,d=a.options.accessibility.point||{};if(c.xAxis&&c.xAxis.dateTime)return c=n.prototype.getXDateFormat.call({getDateFormat:n.prototype.getDateFormat,
|
||
|
|
chart:a},b,a.options.tooltip,c.xAxis),d=d.dateFormatter&&d.dateFormatter(b)||d.dateFormat||c,a.time.dateFormat(d,b.x,void 0)}function m(b){var c=g(b),a=(b.series.xAxis||{}).categories&&F(b.category)&&(""+b.category).replace("<br/>"," "),d=b.id&&0>b.id.indexOf("highcharts-"),m="x, "+b.x;return b.name||c||a||(d?b.id:m)}function x(b,c,a){var g=c||"",m=a||"";return b.series.pointArrayMap.reduce(function(c,a){c+=c.length?", ":"";var e=d(b,y(b[a],b.options[a]));return c+(a+": "+g+e+m)},"")}function A(b){var c=
|
||
|
|
b.series,a=c.chart.options.accessibility.point||{},g=c.tooltipOptions||{},m=a.valuePrefix||g.valuePrefix||"";a=a.valueSuffix||g.valueSuffix||"";g=d(b,b["undefined"!==typeof b.value?"value":"y"]);return b.isNull?c.chart.langFormat("accessibility.series.nullPointValue",{point:b}):c.pointArrayMap?x(b,m,a):m+g+a}function B(b){var c=b.series,a=c.chart,d=a.options.accessibility.point.valueDescriptionFormat,g=(c=y(c.xAxis&&c.xAxis.options.accessibility&&c.xAxis.options.accessibility.enabled,!a.angular))?
|
||
|
|
m(b):"";b={point:b,index:F(b.index)?b.index+1:"",xDescription:g,value:A(b),separator:c?", ":""};return E(d,b,a)}function u(b){var c=b.series,a=c.chart,d=B(b),g=b.options&&b.options.accessibility&&b.options.accessibility.description;g=g?" "+g:"";c=1<a.series.length&&c.name?" "+c.name+".":"";a=b.series.chart;var m=I(b),e={point:b,annotations:m};a=m.length?a.langFormat("accessibility.series.pointAnnotationsDescription",e):"";b.accessibility=b.accessibility||{};b.accessibility.valueDescription=d;return d+
|
||
|
|
g+c+(a?" "+a:"")}function r(b){var c=p(b),a=k(b);(c||a)&&b.points.forEach(function(b){var a;if(!(a=b.graphic&&b.graphic.element)&&(a=b.series&&b.series.is("sunburst"),a=b.isNull&&!a)){var d=b.series,g=e(b);d=(a=g&&g.graphic)?a.parentGroup:d.graph||d.group;g=g?{x:y(b.plotX,g.plotX,0),y:y(b.plotY,g.plotY,0)}:{x:y(b.plotX,0),y:y(b.plotY,0)};g=b.series.chart.renderer.rect(g.x,g.y,1,1);g.attr({"class":"highcharts-a11y-dummy-point",fill:"none",opacity:0,"fill-opacity":0,"stroke-opacity":0});d&&d.element?
|
||
|
|
(b.graphic=g,b.hasDummyGraphic=!0,g.add(d),d.element.insertBefore(g.element,a?a.element:null),a=g.element):a=void 0}a&&(a.setAttribute("tabindex","-1"),a.style.outline="0",c?(g=b.series,d=g.chart.options.accessibility.point||{},g=g.options.accessibility||{},b=G(H(g.pointDescriptionFormatter&&g.pointDescriptionFormatter(b)||d.descriptionFormatter&&d.descriptionFormatter(b)||u(b))),a.setAttribute("role","img"),a.setAttribute("aria-label",b)):a.setAttribute("aria-hidden",!0))})}function v(a){var d=a.chart,
|
||
|
|
g=d.types||[],m=c(a),e=function(b){return d[b]&&1<d[b].length&&a[b]},w=b(a,"xAxis"),k=b(a,"yAxis"),y={name:a.name||"",ix:a.index+1,numSeries:d.series&&d.series.length,numPoints:a.points&&a.points.length,series:a};g=1<g.length?"Combination":"";return(d.langFormat("accessibility.series.summary."+a.type+g,y)||d.langFormat("accessibility.series.summary.default"+g,y))+(m?" "+m:"")+(e("yAxis")?" "+k:"")+(e("xAxis")?" "+w:"")}var C=a.find,E=a.format,w=a.isNumber,D=a.numberFormat,y=a.pick,F=a.defined,I=f.getPointAnnotationTexts,
|
||
|
|
G=q.escapeStringForHTML,K=q.reverseChildNodes,H=q.stripHTMLTagsFromString,J=l.getAxisDescription,L=l.getSeriesFirstPointElement,M=l.getSeriesA11yElement,N=l.unhideChartElementFromAT;return{describeSeries:function(b){var c=b.chart,a=L(b),d=M(b),g=c.is3d&&c.is3d();if(d){d.lastChild!==a||g||K(d);r(b);N(c,d);g=b.chart;c=g.options.chart||{};a=1<g.series.length;g=g.options.accessibility.series.describeSingleSeries;var m=(b.options.accessibility||{}).exposeAsGroupOnly;c.options3d&&c.options3d.enabled&&a||
|
||
|
|
!(a||g||m||h(b))?d.setAttribute("aria-label",""):(c=b.chart.options.accessibility,a=c.landmarkVerbosity,(b.options.accessibility||{}).exposeAsGroupOnly?d.setAttribute("role","img"):"all"===a&&d.setAttribute("role","region"),d.setAttribute("tabindex","-1"),d.style.outline="0",d.setAttribute("aria-label",G(H(c.series.descriptionFormatter&&c.series.descriptionFormatter(b)||v(b)))))}},defaultPointDescriptionFormatter:u,defaultSeriesDescriptionFormatter:v,getPointA11yTimeDescription:g,getPointXDescription:m,
|
||
|
|
getPointValue:A,getPointValueDescription:B}});r(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,q){var h=q.visuallyHideElement;q=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,f=this.domElementProvider.createElement("div");f.setAttribute("aria-hidden",!1);f.setAttribute("aria-live",a);h(f);e.insertBefore(f,e.firstChild);return f};return a}();return a.Announcer=
|
||
|
|
q});r(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,q,l,n,e){function h(b){var c=b.series.data.filter(function(c){return b.x===c.x&&b.y===c.y});return 1===c.length?c[0]:b}function p(b,c){var a=
|
||
|
|
(b||[]).concat(c||[]).reduce(function(b,c){b[c.name+c.index]=c;return b},{});return Object.keys(a).map(function(b){return a[b]})}var k=f.extend,d=f.defined,c=q.getChartTitle,b=l.defaultPointDescriptionFormatter,g=l.defaultSeriesDescriptionFormatter;f=function(b){this.chart=b};k(f.prototype,{init:function(){var b=this.chart,c=b.options.accessibility.announceNewData.interruptUser?"assertive":"polite";this.lastAnnouncementTime=0;this.dirty={allSeries:{}};this.eventProvider=new e;this.announcer=new n(b,
|
||
|
|
c);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(c){b.onSeriesAdded(c.series)});d.addEvent(a.Series,"addPoint",function(c){b.onPointAdded(c.point)});d.addEvent(c,"redraw",function(){b.announceDirtyData()})},
|
||
|
|
onSeriesUpdatedData:function(b){var c=this.chart;b.chart===c&&c.options.accessibility.announceNewData.enabled&&(this.dirty.hasDirty=!0,this.dirty.allSeries[b.name+b.index]=b)},onSeriesAdded:function(b){this.chart.options.accessibility.announceNewData.enabled&&(this.dirty.hasDirty=!0,this.dirty.allSeries[b.name+b.index]=b,this.dirty.newSeries=d(this.dirty.newSeries)?void 0:b)},onPointAdded:function(b){var c=b.series.chart;this.chart===c&&c.options.accessibility.announceNewData.enabled&&(this.dirty.newPoint=
|
||
|
|
d(this.dirty.newPoint)?void 0:b)},announceDirtyData:function(){var b=this;if(this.chart.options.accessibility.announceNewData&&this.dirty.hasDirty){var c=this.dirty.newPoint;c&&(c=h(c));this.queueAnnouncement(Object.keys(this.dirty.allSeries).map(function(c){return b.dirty.allSeries[c]}),this.dirty.newSeries,c);this.dirty={allSeries:{}}}},queueAnnouncement:function(b,c,a){var d=this,g=this.chart.options.accessibility.announceNewData;if(g.enabled){var e=+new Date;g=Math.max(0,g.minAnnounceInterval-
|
||
|
|
(e-this.lastAnnouncementTime));b=p(this.queuedAnnouncement&&this.queuedAnnouncement.series,b);if(c=this.buildAnnouncementMessage(b,c,a))this.queuedAnnouncement&&clearTimeout(this.queuedAnnouncementTimer),this.queuedAnnouncement={time:e,message:c,series:b},this.queuedAnnouncementTimer=setTimeout(function(){d&&d.announcer&&(d.lastAnnouncementTime=+new Date,d.announcer.announce(d.queuedAnnouncement.message),delete d.queuedAnnouncement,delete d.queuedAnnouncementTimer)},g)}},buildAnnouncementMessage:function(d,
|
||
|
|
e,k){var m=this.chart,f=m.options.accessibility.announceNewData;if(f.announcementFormatter&&(d=f.announcementFormatter(d,e,k),!1!==d))return d.length?d:null;d=a.charts&&1<a.charts.length?"Multiple":"Single";d=e?"newSeriesAnnounce"+d:k?"newPointAnnounce"+d:"newDataAnnounce";f=c(m);return m.langFormat("accessibility.announceNewData."+d,{chartTitle:f,seriesDesc:e?g(e):null,pointDesc:k?b(k):null,point:k,series:e})}});return f});r(a,"modules/accessibility/components/SeriesComponent/forcedMarkers.js",[a["parts/Globals.js"],
|
||
|
|
a["parts/Utilities.js"]],function(a,f){function h(a){n(!0,a,{marker:{enabled:!0,states:{normal:{opacity:0}}}})}var l=f.addEvent,n=f.merge;return function(){l(a.Series,"render",function(){var a=this.options,f=this.chart.options.accessibility.enabled,p=!1!==(this.options.accessibility&&this.options.accessibility.enabled);var k=this.chart.options.accessibility;k=this.points.length<k.series.pointDescriptionEnabledThreshold||!1===k.series.pointDescriptionEnabledThreshold;var d=this.chart.options.accessibility.keyboardNavigation.seriesNavigation;
|
||
|
|
d=this.points.length<d.pointNavigationEnabledThreshold||!1===d.pointNavigationEnabledThreshold;if(f&&p&&(k||d)){if(a.marker&&!1===a.marker.enabled&&(this.a11yMarkersForced=!0,h(this.options)),this._hasPointMarkers&&this.points&&this.points.length)for(a=this.points,f=a.length;f--;)p=a[f].options,p.marker&&(p.marker.enabled?n(!0,p.marker,{states:{normal:{opacity:p.marker.states&&p.marker.states.normal&&p.marker.states.normal.opacity||1}}}):h(p))}else this.a11yMarkersForced&&this.resetMarkerOptions&&
|
||
|
|
(delete this.a11yMarkersForced,a=this.resetA11yMarkerOptions,n(!0,this.options,{marker:{enabled:a.enabled,states:{normal:{opacity:a.states&&a.states.normal&&a.states.normal.opacity}}}}))});l(a.Series,"afterSetOptions",function(a){this.resetA11yMarkerOptions=n(a.options.marker||{},this.userOptions.marker||{})})}});r(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,q,l,n,e,t,p,k){f=f.extend;var d=t.hideSeriesFromAT,c=p.describeSeries;a.SeriesAccessibilityDescriber=p;e();a=function(){};a.prototype=new q;f(a.prototype,{init:function(){this.newDataAnnouncer=new n(this.chart);
|
||
|
|
this.newDataAnnouncer.init();this.keyboardNavigation=new l(this.chart,this.keyCodes);this.keyboardNavigation.init();this.hideTooltipFromATWhenShown();this.hideSeriesLabelsFromATWhenShown()},hideTooltipFromATWhenShown:function(){var b=this;this.addEvent(k,"refresh",function(){this.chart===b.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(b){b.labelBySeries&&
|
||
|
|
b.labelBySeries.attr("aria-hidden",!0)})})},onChartRender:function(){this.chart.series.forEach(function(b){!1!==(b.options.accessibility&&b.options.accessibility.enabled)&&b.visible?c(b):d(b)})},getKeyboardNavigation:function(){return this.keyboardNavigation.getKeyboardNavigationHandler()},destroy:function(){this.newDataAnnouncer.destroy();this.keyboardNavigation.destroy()}});return a});r(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,q,l,n,e){var h=f.extend,p=f.pick,k=n.unhideChartElementFromAT,d=e.setElAttrs,c=e.removeElement;a.Axis.prototype.panStep=function(b,c){var a=c||3;c=this.getExtremes();var d=(c.max-c.min)/a*b;a=c.max+d;d=c.min+d;var g=a-d;0>b&&d<c.dataMin?(d=c.dataMin,a=d+g):0<b&&a>c.dataMax&&(a=c.dataMax,d=a-g);this.setExtremes(d,a)};a=function(){};
|
||
|
|
a.prototype=new q;h(a.prototype,{init:function(){var b=this,c=this.chart;["afterShowResetZoom","afterDrilldown","drillupall"].forEach(function(a){b.addEvent(c,a,function(){b.updateProxyOverlays()})})},onChartUpdate:function(){var b=this.chart,c=this;b.mapNavButtons&&b.mapNavButtons.forEach(function(a,d){k(b,a.element);c.setMapNavButtonAttrs(a.element,"accessibility.zoom.mapZoom"+(d?"Out":"In"))})},setMapNavButtonAttrs:function(b,c){var a=this.chart;c=a.langFormat(c,{chart:a});d(b,{tabindex:-1,role:"button",
|
||
|
|
"aria-label":c})},onChartRender:function(){this.updateProxyOverlays()},updateProxyOverlays:function(){var b=this.chart;c(this.drillUpProxyGroup);c(this.resetZoomProxyGroup);b.resetZoomButton&&this.recreateProxyButtonAndGroup(b.resetZoomButton,"resetZoomProxyButton","resetZoomProxyGroup",b.langFormat("accessibility.zoom.resetZoomButton",{chart:b}));b.drillUpButton&&this.recreateProxyButtonAndGroup(b.drillUpButton,"drillUpProxyButton","drillUpProxyGroup",b.langFormat("accessibility.drillUpButton",{chart:b,
|
||
|
|
buttonText:b.getDrilldownBackText()}))},recreateProxyButtonAndGroup:function(b,a,d,e){c(this[d]);this[d]=this.addProxyGroup();this[a]=this.createProxyButton(b,this[d],{"aria-label":e,tabindex:-1})},getMapZoomNavigation:function(){var b=this.keyCodes,c=this.chart,a=this;return new l(c,{keyCodeMap:[[[b.up,b.down,b.left,b.right],function(b){return a.onMapKbdArrow(this,b)}],[[b.tab],function(b,c){return a.onMapKbdTab(this,c)}],[[b.space,b.enter],function(){return a.onMapKbdClick(this)}]],validate:function(){return!!(c.mapZoom&&
|
||
|
|
c.mapNavButtons&&c.mapNavButtons.length)},init:function(b){return a.onMapNavInit(b)}})},onMapKbdArrow:function(b,c){var a=this.keyCodes;this.chart[c===a.up||c===a.down?"yAxis":"xAxis"][0].panStep(c===a.left||c===a.up?-1:1);return b.response.success},onMapKbdTab:function(b,c){var a=this.chart;b=b.response;var d=(c=c.shiftKey)&&!this.focusedMapNavButtonIx||!c&&this.focusedMapNavButtonIx;a.mapNavButtons[this.focusedMapNavButtonIx].setState(0);if(d)return a.mapZoom(),b[c?"prev":"next"];this.focusedMapNavButtonIx+=
|
||
|
|
c?-1:1;c=a.mapNavButtons[this.focusedMapNavButtonIx];a.setFocusToElement(c.box,c.element);c.setState(2);return b.success},onMapKbdClick:function(b){this.fakeClickEvent(this.chart.mapNavButtons[this.focusedMapNavButtonIx].element);return b.response.success},onMapNavInit:function(b){var c=this.chart,a=c.mapNavButtons[0],d=c.mapNavButtons[1];a=0<b?a:d;c.setFocusToElement(a.box,a.element);a.setState(2);this.focusedMapNavButtonIx=0<b?0:1},simpleButtonNavigation:function(b,c,a){var d=this.keyCodes,g=this,
|
||
|
|
e=this.chart;return new l(e,{keyCodeMap:[[[d.tab,d.up,d.down,d.left,d.right],function(b,c){return this.response[b===d.tab&&c.shiftKey||b===d.left||b===d.up?"prev":"next"]}],[[d.space,d.enter],function(){var b=a(this,e);return p(b,this.response.success)}]],validate:function(){return e[b]&&e[b].box&&g[c]},init:function(){e.setFocusToElement(e[b].box,g[c])}})},getKeyboardNavigation:function(){return[this.simpleButtonNavigation("resetZoomButton","resetZoomProxyButton",function(b,c){c.zoomOut()}),this.simpleButtonNavigation("drillUpButton",
|
||
|
|
"drillUpProxyButton",function(b,c){c.drillUp();return b.response.prev}),this.getMapZoomNavigation()]}});return a});r(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,q,l,n,e){f=f.extend;var h=n.unhideChartElementFromAT,
|
||
|
|
p=e.setElAttrs;a.Chart.prototype.highlightRangeSelectorButton=function(a){var d=this.rangeSelector.buttons,c=this.highlightedRangeSelectorItemIx;"undefined"!==typeof c&&d[c]&&d[c].setState(this.oldRangeSelectorItemState||0);this.highlightedRangeSelectorItemIx=a;return d[a]?(this.setFocusToElement(d[a].box,d[a].element),this.oldRangeSelectorItemState=d[a].state,d[a].setState(2),!0):!1};a=function(){};a.prototype=new q;f(a.prototype,{onChartUpdate:function(){var a=this.chart,d=this,c=a.rangeSelector;
|
||
|
|
c&&(c.buttons&&c.buttons.length&&c.buttons.forEach(function(b){h(a,b.element);d.setRangeButtonAttrs(b)}),c.maxInput&&c.minInput&&["minInput","maxInput"].forEach(function(b,g){if(b=c[b])h(a,b),d.setRangeInputAttrs(b,"accessibility.rangeSelector."+(g?"max":"min")+"InputLabel")}))},setRangeButtonAttrs:function(a){var d=this.chart;d=d.langFormat("accessibility.rangeSelector.buttonText",{chart:d,buttonText:a.text&&a.text.textStr});p(a.element,{tabindex:-1,role:"button","aria-label":d})},setRangeInputAttrs:function(a,
|
||
|
|
d){var c=this.chart;p(a,{tabindex:-1,role:"textbox","aria-label":c.langFormat(d,{chart:c})})},getRangeSelectorButtonNavigation:function(){var a=this.chart,d=this.keyCodes,c=this;return new l(a,{keyCodeMap:[[[d.left,d.right,d.up,d.down],function(b){return c.onButtonNavKbdArrowKey(this,b)}],[[d.enter,d.space],function(){return c.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,d){var c=a.response,b=this.keyCodes,g=this.chart,e=g.options.accessibility.keyboardNavigation.wrapAround;d=d===b.left||d===b.up?-1:1;return g.highlightRangeSelectorButton(g.highlightedRangeSelectorItemIx+d)?c.success:e?(a.init(d),c.success):c[0<d?"next":"prev"]},onButtonNavKbdClick:function(a){a=a.response;var d=this.chart;3!==d.oldRangeSelectorItemState&&this.fakeClickEvent(d.rangeSelector.buttons[d.highlightedRangeSelectorItemIx].element);
|
||
|
|
return a.success},getRangeSelectorInputNavigation:function(){var a=this.chart,d=this.keyCodes,c=this;return new l(a,{keyCodeMap:[[[d.tab,d.up,d.down],function(b,a){return c.onInputKbdMove(this,b===d.tab&&a.shiftKey||b===d.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(b){c.onInputNavInit(b)},
|
||
|
|
terminate:function(){c.onInputNavTerminate()}})},onInputKbdMove:function(a,d){var c=this.chart;a=a.response;var b=c.highlightedInputRangeIx+=d;if(1<b||0>b)return a[0<d?"next":"prev"];c.rangeSelector[b?"maxInput":"minInput"].focus();return a.success},onInputNavInit:function(a){var d=this.chart;a=0<a?0:1;d.highlightedInputRangeIx=a;d.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.getRangeSelectorButtonNavigation(),this.getRangeSelectorInputNavigation()]}});return a});r(a,"modules/accessibility/components/InfoRegionsComponent.js",[a["parts/Globals.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/utils/Announcer.js"],a["modules/accessibility/components/AnnotationsA11y.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/utils/htmlUtilities.js"]],
|
||
|
|
function(a,f,q,l,n,e,t){function h(b){return b.replace(/<(h[1-7]|p|div|ul|ol|li)>/g,"<$1>").replace(/</(h[1-7]|p|div|ul|ol|li|a|button)>/g,"</$1>").replace(/<(div|a|button) id="([a-zA-Z\-0-9#]*?)">/g,'<$1 id="$2">')}var k=a.win.document,d=f.extend,c=f.format,b=f.pick,g=n.getAnnotationsInfoHTML,m=e.unhideChartElementFromAT,r=e.getChartTitle,A=e.getAxisDescription,B=t.addClass,u=t.setElAttrs,z=t.escapeStringForHTML,v=t.stripHTMLTagsFromString,C=t.getElement,E=t.visuallyHideElement;
|
||
|
|
a.Chart.prototype.getTypeDescription=function(b){var a=b[0],c=this.series&&this.series[0]||{};c={numSeries:this.series.length,numPoints:c.points&&c.points.length,chart:this,mapTitle:c.mapTitle};if(!a)return this.langFormat("accessibility.chartTypes.emptyChart",c);if("map"===a)return c.mapTitle?this.langFormat("accessibility.chartTypes.mapTypeDescription",c):this.langFormat("accessibility.chartTypes.unknownMap",c);if(1<this.types.length)return this.langFormat("accessibility.chartTypes.combinationChart",
|
||
|
|
c);b=b[0];a=this.langFormat("accessibility.seriesTypeDescriptions."+b,c);var d=this.series&&2>this.series.length?"Single":"Multiple";return(this.langFormat("accessibility.chartTypes."+b+d,c)||this.langFormat("accessibility.chartTypes.default"+d,c))+(a?" "+a:"")};f=function(){};f.prototype=new q;d(f.prototype,{init:function(){var b=this.chart,a=this;this.initRegionsDefinitions();this.addEvent(b,"afterGetTable",function(b){a.onDataTableCreated(b)});this.addEvent(b,"afterViewData",function(b){a.dataTableDiv=
|
||
|
|
b;setTimeout(function(){a.focusDataTable()},300)});this.announcer=new l(b,"assertive")},initRegionsDefinitions:function(){var b=this;this.screenReaderSections={before:{element:null,buildContent:function(a){var c=a.options.accessibility.screenReaderSection.beforeChartFormatter;return c?c(a):b.defaultBeforeChartFormatter(a)},insertIntoDOM:function(b,a){a.renderTo.insertBefore(b,a.renderTo.firstChild)},afterInserted:function(){"undefined"!==typeof b.sonifyButtonId&&b.initSonifyButton(b.sonifyButtonId);
|
||
|
|
"undefined"!==typeof b.dataTableButtonId&&b.initDataTableButton(b.dataTableButtonId)}},after:{element:null,buildContent:function(a){var c=a.options.accessibility.screenReaderSection.afterChartFormatter;return c?c(a):b.defaultAfterChartFormatter()},insertIntoDOM:function(b,a){a.renderTo.insertBefore(b,a.container.nextSibling)}}}},onChartRender:function(){var b=this;this.linkedDescriptionElement=this.getLinkedDescriptionElement();this.setLinkedDescriptionAttrs();Object.keys(this.screenReaderSections).forEach(function(a){b.updateScreenReaderSection(a)})},
|
||
|
|
getLinkedDescriptionElement:function(){var b=this.chart.options.accessibility.linkedDescription;if(b){if("string"!==typeof b)return b;b=c(b,this.chart);b=k.querySelectorAll(b);if(1===b.length)return b[0]}},setLinkedDescriptionAttrs:function(){var b=this.linkedDescriptionElement;b&&(b.setAttribute("aria-hidden","true"),B(b,"highcharts-linked-description"))},updateScreenReaderSection:function(b){var a=this.chart,c=this.screenReaderSections[b],d=c.buildContent(a),g=c.element=c.element||this.createElement("div"),
|
||
|
|
e=g.firstChild||this.createElement("div");this.setScreenReaderSectionAttribs(g,b);e.innerHTML=d;g.appendChild(e);c.insertIntoDOM(g,a);E(e);m(a,e);c.afterInserted&&c.afterInserted()},setScreenReaderSectionAttribs:function(b,a){var c=this.chart,d=c.langFormat("accessibility.screenReaderSection."+a+"RegionLabel",{chart:c});u(b,{id:"highcharts-screen-reader-region-"+a+"-"+c.index,"aria-label":d});b.style.position="relative";"all"===c.options.accessibility.landmarkVerbosity&&d&&b.setAttribute("role","region")},
|
||
|
|
defaultBeforeChartFormatter:function(){var b,c=this.chart,d=c.options.accessibility.screenReaderSection.beforeChartFormat,e=this.getAxesDescription(),f=c.sonify&&(null===(b=c.options.sonification)||void 0===b?void 0:b.enabled);b="highcharts-a11y-sonify-data-btn-"+c.index;var m="hc-linkto-highcharts-data-table-"+c.index,p=g(c),k=c.langFormat("accessibility.screenReaderSection.annotations.heading",{chart:c});e={chartTitle:r(c),typeDescription:this.getTypeDescriptionText(),chartSubtitle:this.getSubtitleText(),
|
||
|
|
chartLongdesc:this.getLongdescText(),xAxisDescription:e.xAxis,yAxisDescription:e.yAxis,playAsSoundButton:f?this.getSonifyButtonText(b):"",viewTableButton:c.getCSV?this.getDataTableButtonText(m):"",annotationsTitle:p?k:"",annotationsList:p};c=a.i18nFormat(d,e,c);this.dataTableButtonId=m;this.sonifyButtonId=b;return h(z(c)).replace(/<(\w+)[^>]*?>\s*<\/\1>/g,"")},defaultAfterChartFormatter:function(){var b=this.chart,c=b.options.accessibility.screenReaderSection.afterChartFormat,d={endOfChartMarker:this.getEndOfChartMarkerText()};
|
||
|
|
b=a.i18nFormat(c,d,b);return h(z(b)).replace(/<(\w+)[^>]*?>\s*<\/\1>/g,"")},getLinkedDescription:function(){var b=this.linkedDescriptionElement;return v(b&&b.innerHTML||"")},getLongdescText:function(){var b=this.chart.options,a=b.caption;a=a&&a.text;var c=this.getLinkedDescription();return b.accessibility.description||c||a||""},getTypeDescriptionText:function(){var b=this.chart;return b.types?b.options.accessibility.typeDescription||b.getTypeDescription(b.types):""},getDataTableButtonText:function(b){var a=
|
||
|
|
this.chart;a=a.langFormat("accessibility.table.viewAsDataTableButtonText",{chart:a,chartTitle:r(a)});return'<a id="'+b+'">'+a+"</a>"},getSonifyButtonText:function(b){var a,c=this.chart;if(!1===(null===(a=c.options.sonification)||void 0===a?void 0:a.enabled))return"";a=c.langFormat("accessibility.sonification.playAsSoundButtonText",{chart:c,chartTitle:r(c)});return'<button id="'+b+'">'+a+"</button>"},getSubtitleText:function(){var b=this.chart.options.subtitle;return v(b&&b.text||"")},getEndOfChartMarkerText:function(){var b=
|
||
|
|
this.chart,a=b.langFormat("accessibility.screenReaderSection.endOfChartMarker",{chart:b});return'<div id="highcharts-end-of-chart-marker-'+b.index+'">'+a+"</div>"},onDataTableCreated:function(b){var a=this.chart;a.options.accessibility.enabled&&(this.viewDataTableButton&&this.viewDataTableButton.setAttribute("aria-expanded","true"),b.html=b.html.replace("<table ",'<table tabindex="0" summary="'+a.langFormat("accessibility.table.tableSummary",{chart:a})+'"'))},focusDataTable:function(){var b=this.dataTableDiv;
|
||
|
|
(b=b&&b.getElementsByTagName("table")[0])&&b.focus&&b.focus()},initSonifyButton:function(b){var a=this,c=this.sonifyButton=C(b),d=this.chart,g=function(b){null===c||void 0===c?void 0:c.setAttribute("aria-hidden","true");null===c||void 0===c?void 0:c.setAttribute("aria-label","");b.preventDefault();b.stopPropagation();b=d.langFormat("accessibility.sonification.playAsSoundClickAnnouncement",{chart:d});a.announcer.announce(b);setTimeout(function(){null===c||void 0===c?void 0:c.removeAttribute("aria-hidden");
|
||
|
|
null===c||void 0===c?void 0:c.removeAttribute("aria-label");d.sonify&&d.sonify()},1E3)};c&&d&&(u(c,{tabindex:"-1"}),c.onclick=function(b){var a;((null===(a=d.options.accessibility)||void 0===a?void 0:a.screenReaderSection.onPlayAsSoundClick)||g).call(this,b,d)})},initDataTableButton:function(b){var a=this.viewDataTableButton=C(b),c=this.chart;b=b.replace("hc-linkto-","");a&&(u(a,{role:"button",tabindex:"-1","aria-expanded":!!C(b),href:"#"+b}),a.onclick=c.options.accessibility.screenReaderSection.onViewDataTableClick||
|
||
|
|
function(){c.viewData()})},getAxesDescription:function(){var a=this.chart,c=function(c,d){c=a[c];return 1<c.length||c[0]&&b(c[0].options.accessibility&&c[0].options.accessibility.enabled,d)},d=!!a.types&&0>a.types.indexOf("map"),g=!!a.hasCartesianSeries,e=c("xAxis",!a.angular&&g&&d);c=c("yAxis",g&&d);d={};e&&(d.xAxis=this.getAxisDescriptionText("xAxis"));c&&(d.yAxis=this.getAxisDescriptionText("yAxis"));return d},getAxisDescriptionText:function(b){var a=this,c=this.chart,d=c[b];return c.langFormat("accessibility.axis."+
|
||
|
|
b+"Description"+(1<d.length?"Plural":"Singular"),{chart:c,names:d.map(function(b){return A(b)}),ranges:d.map(function(b){return a.getAxisRangeDescription(b)}),numAxes:d.length})},getAxisRangeDescription:function(b){var a=b.options||{};return a.accessibility&&"undefined"!==typeof a.accessibility.rangeDescription?a.accessibility.rangeDescription:b.categories?this.getCategoryAxisRangeDesc(b):!b.dateTime||0!==b.min&&0!==b.dataMin?this.getAxisFromToDescription(b):this.getAxisTimeLengthDesc(b)},getCategoryAxisRangeDesc:function(b){var a=
|
||
|
|
this.chart;return b.dataMax&&b.dataMin?a.langFormat("accessibility.axis.rangeCategories",{chart:a,axis:b,numCategories:b.dataMax-b.dataMin+1}):""},getAxisTimeLengthDesc:function(b){var a=this.chart,c={},d="Seconds";c.Seconds=((b.max||0)-(b.min||0))/1E3;c.Minutes=c.Seconds/60;c.Hours=c.Minutes/60;c.Days=c.Hours/24;["Minutes","Hours","Days"].forEach(function(b){2<c[b]&&(d=b)});var g=c[d].toFixed("Seconds"!==d&&"Minutes"!==d?1:0);return a.langFormat("accessibility.axis.timeRange"+d,{chart:a,axis:b,range:g.replace(".0",
|
||
|
|
"")})},getAxisFromToDescription:function(b){var a=this.chart,c=a.options.accessibility.screenReaderSection.axisRangeDateFormat,d=function(d){return b.dateTime?a.time.dateFormat(c,b[d]):b[d]};return a.langFormat("accessibility.axis.rangeFromTo",{chart:a,axis:b,rangeFrom:d("min"),rangeTo:d("max")})},destroy:function(){var b;null===(b=this.announcer)||void 0===b?void 0:b.destroy()}});return f});r(a,"modules/accessibility/components/ContainerComponent.js",[a["parts/Globals.js"],a["parts/Utilities.js"],
|
||
|
|
a["modules/accessibility/utils/htmlUtilities.js"],a["modules/accessibility/utils/chartUtilities.js"],a["modules/accessibility/AccessibilityComponent.js"]],function(a,f,q,l,n){var e=a.win.document;a=f.extend;var h=q.stripHTMLTagsFromString,p=l.unhideChartElementFromAT,k=l.getChartTitle;q=function(){};q.prototype=new n;a(q.prototype,{onChartUpdate:function(){this.handleSVGTitleElement();this.setSVGContainerLabel();this.setGraphicContainerAttrs();this.setRenderToAttrs();this.makeCreditsAccessible()},
|
||
|
|
handleSVGTitleElement:function(){var a=this.chart,c="highcharts-title-"+a.index,b=h(a.langFormat("accessibility.svgContainerTitle",{chartTitle:k(a)}));if(b.length){var g=this.svgTitleElement=this.svgTitleElement||e.createElementNS("http://www.w3.org/2000/svg","title");g.textContent=b;g.id=c;a.renderTo.insertBefore(g,a.renderTo.firstChild)}},setSVGContainerLabel:function(){var a=this.chart,c=h(a.langFormat("accessibility.svgContainerLabel",{chartTitle:k(a)}));a.renderer.box&&c.length&&a.renderer.box.setAttribute("aria-label",
|
||
|
|
c)},setGraphicContainerAttrs:function(){var a=this.chart,c=a.langFormat("accessibility.graphicContainerLabel",{chartTitle:k(a)});c.length&&a.container.setAttribute("aria-label",c)},setRenderToAttrs:function(){var a=this.chart;"disabled"!==a.options.accessibility.landmarkVerbosity?a.renderTo.setAttribute("role","region"):a.renderTo.removeAttribute("role");a.renderTo.setAttribute("aria-label",a.langFormat("accessibility.chartContainerLabel",{title:k(a),chart:a}))},makeCreditsAccessible:function(){var a=
|
||
|
|
this.chart,c=a.credits;c&&(c.textStr&&c.element.setAttribute("aria-label",h(a.langFormat("accessibility.credits",{creditsStr:c.textStr}))),p(a,c.element))},destroy:function(){this.chart.renderTo.setAttribute("aria-hidden",!0)}});return q});r(a,"modules/accessibility/high-contrast-mode.js",[a["parts/Globals.js"]],function(a){var f=a.isMS,h=a.win,l=h.document;return{isHighContrastModeActive:function(){var a=/(Edg)/.test(h.navigator.userAgent);if(h.matchMedia&&a)return h.matchMedia("(-ms-high-contrast: active)").matches;
|
||
|
|
if(f&&h.getComputedStyle){a=l.createElement("div");a.style.backgroundImage="url(#)";l.body.appendChild(a);var e=(a.currentStyle||h.getComputedStyle(a)).backgroundImage;l.body.removeChild(a);return"none"===e}return!1},setHighContrastTheme:function(a){a.highContrastModeActive=!0;var e=a.options.accessibility.highContrastTheme;a.update(e,!1);a.series.forEach(function(a){var f=e.plotOptions[a.type]||{};a.update({color:f.color||"windowText",colors:[f.color||"windowText"],borderColor:f.borderColor||"window"});
|
||
|
|
a.points.forEach(function(a){a.options&&a.options.color&&a.update({color:f.color||"windowText",borderColor:f.borderColor||"window"},!1)})});a.redraw()}}});r(a,"modules/accessibility/high-contrast-theme.js",[],function(){return{chart:{backgroundColor:"window"},title:{style:{color:"windowText"}},subtitle:{style:{color:"windowText"}},colorAxis:{minColor:"windowText",maxColor:"windowText",stops:[]},colors:["windowText"],xAxis:{gridLineColor:"windowText",labels:{style:{color:"windowText"}},lineColor:"windowText",
|
||
|
|
minorGridLineColor:"windowText",tickColor:"windowText",title:{style:{color:"windowText"}}},yAxis:{gridLineColor:"windowText",labels:{style:{color:"windowText"}},lineColor:"windowText",minorGridLineColor:"windowText",tickColor:"windowText",title:{style:{color:"windowText"}}},tooltip:{backgroundColor:"window",borderColor:"windowText",style:{color:"windowText"}},plotOptions:{series:{lineColor:"windowText",fillColor:"window",borderColor:"windowText",edgeColor:"windowText",borderWidth:1,dataLabels:{connectorColor:"windowText",
|
||
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|
color:"windowText",style:{color:"windowText",textOutline:"none"}},marker:{lineColor:"windowText",fillColor:"windowText"}},pie:{color:"window",colors:["window"],borderColor:"windowText",borderWidth:1},boxplot:{fillColor:"window"},candlestick:{lineColor:"windowText",fillColor:"window"},errorbar:{fillColor:"window"}},legend:{backgroundColor:"window",itemStyle:{color:"windowText"},itemHoverStyle:{color:"windowText"},itemHiddenStyle:{color:"#555"},title:{style:{color:"windowText"}}},credits:{style:{color:"windowText"}},
|
||
|
|
labels:{style:{color:"windowText"}},drilldown:{activeAxisLabelStyle:{color:"windowText"},activeDataLabelStyle:{color:"windowText"}},navigation:{buttonOptions:{symbolStroke:"windowText",theme:{fill:"window"}}},rangeSelector:{buttonTheme:{fill:"window",stroke:"windowText",style:{color:"windowText"},states:{hover:{fill:"window",stroke:"windowText",style:{color:"windowText"}},select:{fill:"#444",stroke:"windowText",style:{color:"windowText"}}}},inputBoxBorderColor:"windowText",inputStyle:{backgroundColor:"window",
|
||
|
|
color:"windowText"},labelStyle:{color:"windowText"}},navigator:{handles:{backgroundColor:"window",borderColor:"windowText"},outlineColor:"windowText",maskFill:"transparent",series:{color:"windowText",lineColor:"windowText"},xAxis:{gridLineColor:"windowText"}},scrollbar:{barBackgroundColor:"#444",barBorderColor:"windowText",buttonArrowColor:"windowText",buttonBackgroundColor:"window",buttonBorderColor:"windowText",rifleColor:"windowText",trackBackgroundColor:"window",trackBorderColor:"windowText"}}});
|
||
|
|
r(a,"modules/accessibility/options/options.js",[],function(){return{accessibility:{enabled:!0,screenReaderSection:{beforeChartFormat:"<h5>{chartTitle}</h5><div>{typeDescription}</div><div>{chartSubtitle}</div><div>{chartLongdesc}</div><div>{playAsSoundButton}</div><div>{viewTableButton}</div><div>{xAxisDescription}</div><div>{yAxisDescription}</div><div>{annotationsTitle}{annotationsList}</div>",afterChartFormat:"{endOfChartMarker}",axisRangeDateFormat:"%Y-%m-%d %H:%M:%S"},series:{describeSingleSeries:!1,
|
||
|
|
pointDescriptionEnabledThreshold:200},point:{valueDescriptionFormat:"{index}. {xDescription}{separator}{value}."},landmarkVerbosity:"all",linkedDescription:'*[data-highcharts-chart="{index}"] + .highcharts-description',keyboardNavigation:{enabled:!0,focusBorder:{enabled:!0,hideBrowserFocusOutline:!0,style:{color:"#335cad",lineWidth:2,borderRadius:3},margin:2},order:["series","zoom","rangeSelector","legend","chartMenu"],wrapAround:!0,seriesNavigation:{skipNullPoints:!0,pointNavigationEnabledThreshold:!1}},
|
||
|
|
announceNewData:{enabled:!1,minAnnounceInterval:5E3,interruptUser:!1}},legend:{accessibility:{enabled:!0,keyboardNavigation:{enabled:!0}}},exporting:{accessibility:{enabled:!0}}}});r(a,"modules/accessibility/options/langOptions.js",[],function(){return{accessibility:{defaultChartTitle:"Chart",chartContainerLabel:"{title}. Highcharts interactive chart.",svgContainerLabel:"Interactive chart",drillUpButton:"{buttonText}",credits:"Chart credits: {creditsStr}",thousandsSep:",",svgContainerTitle:"",graphicContainerLabel:"",
|
||
|
|
screenReaderSection:{beforeRegionLabel:"Chart screen reader information.",afterRegionLabel:"",annotations:{heading:"Chart annotations summary",descriptionSinglePoint:"{annotationText}. Related to {annotationPoint}",descriptionMultiplePoints:"{annotationText}. Related to {annotationPoint}{ Also related to, #each(additionalAnnotationPoints)}",descriptionNoPoints:"{annotationText}"},endOfChartMarker:"End of interactive chart."},sonification:{playAsSoundButtonText:"Play as sound, {chartTitle}",playAsSoundClickAnnouncement:"Play"},
|
||
|
|
legend:{legendLabel:"Toggle series visibility",legendItem:"Toggle visibility of {itemName}"},zoom:{mapZoomIn:"Zoom chart",mapZoomOut:"Zoom out chart",resetZoomButton:"Reset zoom"},rangeSelector:{minInputLabel:"Select start date.",maxInputLabel:"Select end date.",buttonText:"Select range {buttonText}"},table:{viewAsDataTableButtonText:"View as data table, {chartTitle}",tableSummary:"Table representation of chart."},announceNewData:{newDataAnnounce:"Updated data for chart {chartTitle}",newSeriesAnnounceSingle:"New data series: {seriesDesc}",
|
||
|
|
newPointAnnounceSingle:"New data point: {pointDesc}",newSeriesAnnounceMultiple:"New data series in chart {chartTitle}: {seriesDesc}",newPointAnnounceMultiple:"New data point in chart {chartTitle}: {pointDesc}"},seriesTypeDescriptions:{boxplot:"Box plot charts are typically used to display groups of statistical data. Each data point in the chart can have up to 5 values: minimum, lower quartile, median, upper quartile, and maximum.",arearange:"Arearange charts are line charts displaying a range between a lower and higher value for each point.",
|
||
|
|
areasplinerange:"These charts are line charts displaying a range between a lower and higher value for each point.",bubble:"Bubble charts are scatter charts where each data point also has a size value.",columnrange:"Columnrange charts are column charts displaying a range between a lower and higher value for each point.",errorbar:"Errorbar series are used to display the variability of the data.",funnel:"Funnel charts are used to display reduction of data in stages.",pyramid:"Pyramid charts consist of a single pyramid with item heights corresponding to each point value.",
|
||
|
|
waterfall:"A waterfall chart is a column chart where each column contributes towards a total end value."},chartTypes:{emptyChart:"Empty chart",mapTypeDescription:"Map of {mapTitle} with {numSeries} data series.",unknownMap:"Map of unspecified region with {numSeries} data series.",combinationChart:"Combination chart with {numSeries} data series.",defaultSingle:"Chart with {numPoints} data {#plural(numPoints, points, point)}.",defaultMultiple:"Chart with {numSeries} data series.",splineSingle:"Line chart with {numPoints} data {#plural(numPoints, points, point)}.",
|
||
|
|
splineMultiple:"Line chart with {numSeries} lines.",lineSingle:"Line chart with {numPoints} data {#plural(numPoints, points, point)}.",lineMultiple:"Line chart with {numSeries} lines.",columnSingle:"Bar chart with {numPoints} {#plural(numPoints, bars, bar)}.",columnMultiple:"Bar chart with {numSeries} data series.",barSingle:"Bar chart with {numPoints} {#plural(numPoints, bars, bar)}.",barMultiple:"Bar chart with {numSeries} data series.",pieSingle:"Pie chart with {numPoints} {#plural(numPoints, slices, slice)}.",
|
||
|
|
pieMultiple:"Pie chart with {numSeries} pies.",scatterSingle:"Scatter chart with {numPoints} {#plural(numPoints, points, point)}.",scatterMultiple:"Scatter chart with {numSeries} data series.",boxplotSingle:"Boxplot with {numPoints} {#plural(numPoints, boxes, box)}.",boxplotMultiple:"Boxplot with {numSeries} data series.",bubbleSingle:"Bubble chart with {numPoints} {#plural(numPoints, bubbles, bubble)}.",bubbleMultiple:"Bubble chart with {numSeries} data series."},axis:{xAxisDescriptionSingular:"The chart has 1 X axis displaying {names[0]}. {ranges[0]}",
|
||
|
|
xAxisDescriptionPlural:"The chart has {numAxes} X axes displaying {#each(names, -1) }and {names[-1]}.",yAxisDescriptionSingular:"The chart has 1 Y axis displaying {names[0]}. {ranges[0]}",yAxisDescriptionPlural:"The chart has {numAxes} Y axes displaying {#each(names, -1) }and {names[-1]}.",timeRangeDays:"Range: {range} days.",timeRangeHours:"Range: {range} hours.",timeRangeMinutes:"Range: {range} minutes.",timeRangeSeconds:"Range: {range} seconds.",rangeFromTo:"Range: {rangeFrom} to {rangeTo}.",rangeCategories:"Range: {numCategories} categories."},
|
||
|
|
exporting:{chartMenuLabel:"Chart menu",menuButtonLabel:"View chart menu",exportRegionLabel:"Chart menu"},series:{summary:{"default":"{name}, series {ix} of {numSeries} with {numPoints} data {#plural(numPoints, points, point)}.",defaultCombination:"{name}, series {ix} of {numSeries} with {numPoints} data {#plural(numPoints, points, point)}.",line:"{name}, line {ix} of {numSeries} with {numPoints} data {#plural(numPoints, points, point)}.",lineCombination:"{name}, series {ix} of {numSeries}. Line with {numPoints} data {#plural(numPoints, points, point)}.",
|
||
|
|
spline:"{name}, line {ix} of {numSeries} with {numPoints} data {#plural(numPoints, points, point)}.",splineCombination:"{name}, series {ix} of {numSeries}. Line with {numPoints} data {#plural(numPoints, points, point)}.",column:"{name}, bar series {ix} of {numSeries} with {numPoints} {#plural(numPoints, bars, bar)}.",columnCombination:"{name}, series {ix} of {numSeries}. Bar series with {numPoints} {#plural(numPoints, bars, bar)}.",bar:"{name}, bar series {ix} of {numSeries} with {numPoints} {#plural(numPoints, bars, bar)}.",
|
||
|
|
barCombination:"{name}, series {ix} of {numSeries}. Bar series with {numPoints} {#plural(numPoints, bars, bar)}.",pie:"{name}, pie {ix} of {numSeries} with {numPoints} {#plural(numPoints, slices, slice)}.",pieCombination:"{name}, series {ix} of {numSeries}. Pie with {numPoints} {#plural(numPoints, slices, slice)}.",scatter:"{name}, scatter plot {ix} of {numSeries} with {numPoints} {#plural(numPoints, points, point)}.",scatterCombination:"{name}, series {ix} of {numSeries}, scatter plot with {numPoints} {#plural(numPoints, points, point)}.",
|
||
|
|
boxplot:"{name}, boxplot {ix} of {numSeries} with {numPoints} {#plural(numPoints, boxes, box)}.",boxplotCombination:"{name}, series {ix} of {numSeries}. Boxplot with {numPoints} {#plural(numPoints, boxes, box)}.",bubble:"{name}, bubble series {ix} of {numSeries} with {numPoints} {#plural(numPoints, bubbles, bubble)}.",bubbleCombination:"{name}, series {ix} of {numSeries}. Bubble series with {numPoints} {#plural(numPoints, bubbles, bubble)}.",map:"{name}, map {ix} of {numSeries} with {numPoints} {#plural(numPoints, areas, area)}.",
|
||
|
|
mapCombination:"{name}, series {ix} of {numSeries}. Map with {numPoints} {#plural(numPoints, areas, area)}.",mapline:"{name}, line {ix} of {numSeries} with {numPoints} data {#plural(numPoints, points, point)}.",maplineCombination:"{name}, series {ix} of {numSeries}. Line with {numPoints} data {#plural(numPoints, points, point)}.",mapbubble:"{name}, bubble series {ix} of {numSeries} with {numPoints} {#plural(numPoints, bubbles, bubble)}.",mapbubbleCombination:"{name}, series {ix} of {numSeries}. Bubble series with {numPoints} {#plural(numPoints, bubbles, bubble)}."},
|
||
|
|
description:"{description}",xAxisDescription:"X axis, {name}",yAxisDescription:"Y axis, {name}",nullPointValue:"No value",pointAnnotationsDescription:"{Annotation: #each(annotations). }"}}}});r(a,"modules/accessibility/options/deprecatedOptions.js",[a["parts/Utilities.js"]],function(a){function f(a,c,b){p("Highcharts: Deprecated option "+c+" used. This will be removed from future versions of Highcharts. Use "+b+" instead.",!1,a)}function h(a,c,b){for(var d,e=0;e<c.length-1;++e)d=c[e],a=a[d]=k(a[d],
|
||
|
|
{});a[c[c.length-1]]=b}function l(a,c,b,g){function d(b,a){return a.reduce(function(b,a){return b[a]},b)}var e=d(a.options,c),p=d(a.options,b);Object.keys(g).forEach(function(d){var m=e[d];"undefined"!==typeof m&&(h(p,g[d],m),f(a,c.join(".")+"."+d,b.join(".")+"."+g[d].join(".")))})}function n(a){var c=a.options.chart||{},b=a.options.accessibility||{};["description","typeDescription"].forEach(function(d){c[d]&&(b[d]=c[d],f(a,"chart."+d,"accessibility."+d))})}function e(a){a.axes.forEach(function(c){(c=
|
||
|
|
c.options)&&c.description&&(c.accessibility=c.accessibility||{},c.accessibility.description=c.description,f(a,"axis.description","axis.accessibility.description"))})}function t(a){var c={description:["accessibility","description"],exposeElementToA11y:["accessibility","exposeAsGroupOnly"],pointDescriptionFormatter:["accessibility","pointDescriptionFormatter"],skipKeyboardNavigation:["accessibility","keyboardNavigation","enabled"]};a.series.forEach(function(b){Object.keys(c).forEach(function(d){var e=
|
||
|
|
b.options[d];"undefined"!==typeof e&&(h(b.options,c[d],"skipKeyboardNavigation"===d?!e:e),f(a,"series."+d,"series."+c[d].join(".")))})})}var p=a.error,k=a.pick;return function(a){n(a);e(a);a.series&&t(a);l(a,["accessibility"],["accessibility"],{pointDateFormat:["point","dateFormat"],pointDateFormatter:["point","dateFormatter"],pointDescriptionFormatter:["point","descriptionFormatter"],pointDescriptionThreshold:["series","pointDescriptionEnabledThreshold"],pointNavigationThreshold:["keyboardNavigation",
|
||
|
|
"seriesNavigation","pointNavigationEnabledThreshold"],pointValueDecimals:["point","valueDecimals"],pointValuePrefix:["point","valuePrefix"],pointValueSuffix:["point","valueSuffix"],screenReaderSectionFormatter:["screenReaderSection","beforeChartFormatter"],describeSingleSeries:["series","describeSingleSeries"],seriesDescriptionFormatter:["series","descriptionFormatter"],onTableAnchorClick:["screenReaderSection","onViewDataTableClick"],axisRangeDateFormat:["screenReaderSection","axisRangeDateFormat"]});
|
||
|
|
l(a,["accessibility","keyboardNavigation"],["accessibility","keyboardNavigation","seriesNavigation"],{skipNullPoints:["skipNullPoints"],mode:["mode"]});l(a,["lang","accessibility"],["lang","accessibility"],{legendItem:["legend","legendItem"],legendLabel:["legend","legendLabel"],mapZoomIn:["zoom","mapZoomIn"],mapZoomOut:["zoom","mapZoomOut"],resetZoomButton:["zoom","resetZoomButton"],screenReaderRegionLabel:["screenReaderSection","beforeRegionLabel"],rangeSelectorButton:["rangeSelector","buttonText"],
|
||
|
|
rangeSelectorMaxInput:["rangeSelector","maxInputLabel"],rangeSelectorMinInput:["rangeSelector","minInputLabel"],svgContainerEnd:["screenReaderSection","endOfChartMarker"],viewAsDataTable:["table","viewAsDataTableButtonText"],tableSummary:["table","tableSummary"]})}});r(a,"modules/accessibility/a11y-i18n.js",[a["parts/Globals.js"],a["parts/Utilities.js"]],function(a,f){function h(a,f){var e=a.indexOf("#each("),h=a.indexOf("#plural("),d=a.indexOf("["),c=a.indexOf("]");if(-1<e){d=a.slice(e).indexOf(")")+
|
||
|
|
e;var b=a.substring(0,e);h=a.substring(d+1);d=a.substring(e+6,d).split(",");e=Number(d[1]);a="";if(f=f[d[0]])for(e=isNaN(e)?f.length:e,e=0>e?f.length+e:Math.min(e,f.length),d=0;d<e;++d)a+=b+f[d]+h;return a.length?a:""}if(-1<h){b=a.slice(h).indexOf(")")+h;a=a.substring(h+8,b).split(",");switch(Number(f[a[0]])){case 0:a=n(a[4],a[1]);break;case 1:a=n(a[2],a[1]);break;case 2:a=n(a[3],a[1]);break;default:a=a[1]}a?(f=a,f=f.trim&&f.trim()||f.replace(/^\s+|\s+$/g,"")):f="";return f}return-1<d?(h=a.substring(0,
|
||
|
|
d),a=Number(a.substring(d+1,c)),f=f[h],!isNaN(a)&&f&&(0>a?(b=f[f.length+a],"undefined"===typeof b&&(b=f[0])):(b=f[a],"undefined"===typeof b&&(b=f[f.length-1]))),"undefined"!==typeof b?b:""):"{"+a+"}"}var l=f.format,n=f.pick;a.i18nFormat=function(a,f,p){var e=function(a,b){a=a.slice(b||0);var c=a.indexOf("{"),d=a.indexOf("}");if(-1<c&&d>c)return{statement:a.substring(c+1,d),begin:b+c+1,end:b+d}},d=[],c=0;do{var b=e(a,c);var g=a.substring(c,b&&b.begin-1);g.length&&d.push({value:g,type:"constant"});
|
||
|
|
b&&d.push({value:b.statement,type:"statement"});c=b?b.end+1:c+1}while(b);d.forEach(function(a){"statement"===a.type&&(a.value=h(a.value,f))});return l(d.reduce(function(a,b){return a+b.value},""),f,p)};a.Chart.prototype.langFormat=function(e,f){e=e.split(".");for(var h=this.options.lang,k=0;k<e.length;++k)h=h&&h[e[k]];return"string"===typeof h?a.i18nFormat(h,f,this):""}});r(a,"modules/accessibility/focusBorder.js",[a["parts/Globals.js"],a["parts/Utilities.js"]],function(a,f){function h(a){if(!a.focusBorderDestroyHook){var c=
|
||
|
|
a.destroy;a.destroy=function(){var b,d;null===(d=null===(b=a.focusBorder)||void 0===b?void 0:b.destroy)||void 0===d?void 0:d.call(b);return c.apply(a,arguments)};a.focusBorderDestroyHook=c}}function l(a){for(var c=[],b=1;b<arguments.length;b++)c[b-1]=arguments[b];a.focusBorderUpdateHooks||(a.focusBorderUpdateHooks={},k.forEach(function(b){b+="Setter";var d=a[b]||a._defaultSetter;a.focusBorderUpdateHooks[b]=d;a[b]=function(){var b=d.apply(a,arguments);a.addFocusBorder.apply(a,c);return b}}))}function n(a){a.focusBorderUpdateHooks&&
|
||
|
|
(Object.keys(a.focusBorderUpdateHooks).forEach(function(c){var b=a.focusBorderUpdateHooks[c];b===a._defaultSetter?delete a[c]:a[c]=b}),delete a.focusBorderUpdateHooks)}var e=f.addEvent,r=f.extend,p=f.pick,k="x y transform width height r d stroke-width".split(" ");r(a.SVGElement.prototype,{addFocusBorder:function(d,c){this.focusBorder&&this.removeFocusBorder();var b=this.getBBox(),e=p(d,3);b.x+=this.translateX?this.translateX:0;b.y+=this.translateY?this.translateY:0;var f=b.x-e,k=b.y-e,n=b.width+2*
|
||
|
|
e,q=b.height+2*e;if("text"===this.element.nodeName||this.isLabel){var r=!!this.rotation;if(this.isLabel)var t={x:r?1:0,y:0};else f=t=0,"middle"===this.attr("text-anchor")?(t=a.isFirefox&&this.rotation?.25:.5,f=a.isFirefox&&!this.rotation?.75:.5):this.rotation?t=.25:f=.75,t={x:t,y:f};f=+this.attr("x")-b.width*t.x-e;k=+this.attr("y")-b.height*t.y-e;this.isLabel&&r&&(r=n,n=q,q=r,f=+this.attr("x")-b.height*t.x-e,k=+this.attr("y")-b.width*t.y-e)}this.focusBorder=this.renderer.rect(f,k,n,q,parseInt((c&&
|
||
|
|
c.borderRadius||0).toString(),10)).addClass("highcharts-focus-border").attr({zIndex:99}).add(this.parentGroup);this.renderer.styledMode||this.focusBorder.attr({stroke:c&&c.stroke,"stroke-width":c&&c.strokeWidth});l(this,d,c);h(this)},removeFocusBorder:function(){n(this);this.focusBorderDestroyHook&&(this.destroy=this.focusBorderDestroyHook,delete this.focusBorderDestroyHook);this.focusBorder&&(this.focusBorder.destroy(),delete this.focusBorder)}});a.Chart.prototype.renderFocusBorder=function(){var a=
|
||
|
|
this.focusElement,c=this.options.accessibility.keyboardNavigation.focusBorder;a&&(a.removeFocusBorder(),c.enabled&&a.addFocusBorder(c.margin,{stroke:c.style.color,strokeWidth:c.style.lineWidth,borderRadius:c.style.borderRadius}))};a.Chart.prototype.setFocusToElement=function(a,c){var b=this.options.accessibility.keyboardNavigation.focusBorder;(c=c||a.element)&&c.focus&&(c.hcEvents&&c.hcEvents.focusin||e(c,"focusin",function(){}),c.focus(),b.hideBrowserFocusOutline&&(c.style.outline="none"));this.focusElement&&
|
||
|
|
this.focusElement.removeFocusBorder();this.focusElement=a;this.renderFocusBorder()}});r(a,"modules/accessibility/accessibility.js",[a["modules/accessibility/utils/chartUtilities.js"],a["parts/Globals.js"],a["modules/accessibility/KeyboardNavigationHandler.js"],a["parts/Point.js"],a["parts/Utilities.js"],a["modules/accessibility/AccessibilityComponent.js"],a["modules/accessibility/KeyboardNavigation.js"],a["modules/accessibility/components/LegendComponent.js"],a["modules/accessibility/components/MenuComponent.js"],
|
||
|
|
a["modules/accessibility/components/SeriesComponent/SeriesComponent.js"],a["modules/accessibility/components/ZoomComponent.js"],a["modules/accessibility/components/RangeSelectorComponent.js"],a["modules/accessibility/components/InfoRegionsComponent.js"],a["modules/accessibility/components/ContainerComponent.js"],a["modules/accessibility/high-contrast-mode.js"],a["modules/accessibility/high-contrast-theme.js"],a["modules/accessibility/options/options.js"],a["modules/accessibility/options/langOptions.js"],
|
||
|
|
a["modules/accessibility/options/deprecatedOptions.js"]],function(a,f,q,l,n,e,r,p,k,d,c,b,g,m,v,A,B,u,z){function h(a){this.init(a)}var t=n.addEvent,x=n.extend,w=n.fireEvent,D=n.merge,y=f.win.document;D(!0,f.defaultOptions,B,{accessibility:{highContrastTheme:A},lang:u});f.A11yChartUtilities=a;f.KeyboardNavigationHandler=q;f.AccessibilityComponent=e;h.prototype={init:function(a){this.chart=a;y.addEventListener&&a.renderer.isSVG?(z(a),this.initComponents(),this.keyboardNavigation=new r(a,this.components),
|
||
|
|
this.update()):a.renderTo.setAttribute("aria-hidden",!0)},initComponents:function(){var a=this.chart,e=a.options.accessibility;this.components={container:new m,infoRegions:new g,legend:new p,chartMenu:new k,rangeSelector:new b,series:new d,zoom:new c};e.customComponents&&x(this.components,e.customComponents);var f=this.components;this.getComponentOrder().forEach(function(b){f[b].initBase(a);f[b].init()})},getComponentOrder:function(){if(!this.components)return[];if(!this.components.series)return Object.keys(this.components);
|
||
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|
var a=Object.keys(this.components).filter(function(a){return"series"!==a});return["series"].concat(a)},update:function(){var a=this.components,b=this.chart,c=b.options.accessibility;w(b,"beforeA11yUpdate");b.types=this.getChartTypes();this.getComponentOrder().forEach(function(c){a[c].onChartUpdate();w(b,"afterA11yComponentUpdate",{name:c,component:a[c]})});this.keyboardNavigation.update(c.keyboardNavigation.order);!b.highContrastModeActive&&v.isHighContrastModeActive()&&v.setHighContrastTheme(b);
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w(b,"afterA11yUpdate",{accessibility:this})},destroy:function(){var a=this.chart||{},b=this.components;Object.keys(b).forEach(function(a){b[a].destroy();b[a].destroyBase()});this.keyboardNavigation&&this.keyboardNavigation.destroy();a.renderTo&&a.renderTo.setAttribute("aria-hidden",!0);a.focusElement&&a.focusElement.removeFocusBorder()},getChartTypes:function(){var a={};this.chart.series.forEach(function(b){a[b.type]=1});return Object.keys(a)}};f.Chart.prototype.updateA11yEnabled=function(){var a=
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this.accessibility,b=this.options.accessibility;b&&b.enabled?a?a.update():this.accessibility=new h(this):a?(a.destroy&&a.destroy(),delete this.accessibility):this.renderTo.setAttribute("aria-hidden",!0)};t(f.Chart,"render",function(a){this.a11yDirty&&this.renderTo&&(delete this.a11yDirty,this.updateA11yEnabled());var b=this.accessibility;b&&b.getComponentOrder().forEach(function(a){b.components[a].onChartRender()})});t(f.Chart,"update",function(a){if(a=a.options.accessibility)a.customComponents&&
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(this.options.accessibility.customComponents=a.customComponents,delete a.customComponents),D(!0,this.options.accessibility,a),this.accessibility&&this.accessibility.destroy&&(this.accessibility.destroy(),delete this.accessibility);this.a11yDirty=!0});t(l,"update",function(){this.series.chart.accessibility&&(this.series.chart.a11yDirty=!0)});["addSeries","init"].forEach(function(a){t(f.Chart,a,function(){this.a11yDirty=!0})});["update","updatedData","remove"].forEach(function(a){t(f.Series,a,function(){this.chart.accessibility&&
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(this.chart.a11yDirty=!0)})});["afterDrilldown","drillupall"].forEach(function(a){t(f.Chart,a,function(){this.accessibility&&this.accessibility.update()})});t(f.Chart,"destroy",function(){this.accessibility&&this.accessibility.destroy()})});r(a,"masters/modules/accessibility.src.js",[],function(){})});
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//# sourceMappingURL=accessibility.js.map
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