import type Chart from '../Core/Chart/Chart'; /** * Define a keyboard navigation handler for use with a * Highcharts.AccessibilityComponent instance. This functions as an abstraction * layer for keyboard navigation, and defines a map of keyCodes to handler * functions. * * @requires modules/accessibility * * @sample highcharts/accessibility/custom-component * Custom accessibility component * * @class * @name Highcharts.KeyboardNavigationHandler * * @param {Highcharts.Chart} chart * The chart this module should act on. * * @param {Highcharts.KeyboardNavigationHandlerOptionsObject} options * Options for the keyboard navigation handler. */ declare class KeyboardNavigationHandler { constructor(chart: Chart, options: KeyboardNavigationHandler.Options); chart: Chart; init: Function; keyCodeMap: Array<[Array, Function]>; response: Record; terminate?: Function; validate?: Function; /** * Find handler function(s) for key code in the keyCodeMap and run it. * * @function KeyboardNavigationHandler#run * @param {global.KeyboardEvent} e * @return {number} Returns a response code indicating whether the run was * a success/fail/unhandled, or if we should move to next/prev module. */ run(e: KeyboardEvent): number; } declare namespace KeyboardNavigationHandler { interface Options { keyCodeMap: Array<[Array, Function]>; init: Function; terminate?: Function; validate?: Function; } } export default KeyboardNavigationHandler;