wwbsr/node_modules/highcharts/es-modules/Extensions/CurrentDateIndication.js

/* *
 *
 *  (c) 2016-2020 Highsoft AS
 *
 *  Author: Lars A. V. Cabrera
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
import H from '../Core/Globals.js';
import O from '../Core/Options.js';
var dateFormat = O.dateFormat;
import U from '../Core/Utilities.js';
var addEvent = U.addEvent, merge = U.merge, wrap = U.wrap;
import PlotLineOrBand from '../Core/Axis/PlotLineOrBand.js';
var Axis = H.Axis;
var defaultConfig = {
    /**
     * Show an indicator on the axis for the current date and time. Can be a
     * boolean or a configuration object similar to
     * [xAxis.plotLines](#xAxis.plotLines).
     *
     * @sample gantt/current-date-indicator/demo
     *         Current date indicator enabled
     * @sample gantt/current-date-indicator/object-config
     *         Current date indicator with custom options
     *
     * @declare   Highcharts.AxisCurrentDateIndicatorOptions
     * @type      {boolean|*}
     * @default   true
     * @extends   xAxis.plotLines
     * @excluding value
     * @product   gantt
     * @apioption xAxis.currentDateIndicator
     */
    currentDateIndicator: true,
    color: '#ccd6eb',
    width: 2,
    /**
     * @declare Highcharts.AxisCurrentDateIndicatorLabelOptions
     */
    label: {
        /**
         * Format of the label. This options is passed as the fist argument to
         * [dateFormat](/class-reference/Highcharts#dateFormat) function.
         *
         * @type      {string}
         * @default   '%a, %b %d %Y, %H:%M'
         * @product   gantt
         * @apioption xAxis.currentDateIndicator.label.format
         */
        format: '%a, %b %d %Y, %H:%M',
        formatter: function (value, format) {
            return dateFormat(format, value);
        },
        rotation: 0,
        /**
         * @type {Highcharts.CSSObject}
         */
        style: {
            /** @internal */
            fontSize: '10px'
        }
    }
};
/* eslint-disable no-invalid-this */
addEvent(Axis, 'afterSetOptions', function () {
    var options = this.options, cdiOptions = options.currentDateIndicator;
    if (cdiOptions) {
        cdiOptions = typeof cdiOptions === 'object' ?
            merge(defaultConfig, cdiOptions) : merge(defaultConfig);
        cdiOptions.value = new Date();
        if (!options.plotLines) {
            options.plotLines = [];
        }
        options.plotLines.push(cdiOptions);
    }
});
addEvent(PlotLineOrBand, 'render', function () {
    // If the label already exists, update its text
    if (this.label) {
        this.label.attr({
            text: this.getLabelText(this.options.label)
        });
    }
});
wrap(PlotLineOrBand.prototype, 'getLabelText', function (defaultMethod, defaultLabelOptions) {
    var options = this.options;
    if (options.currentDateIndicator && options.label &&
        typeof options.label.formatter === 'function') {
        options.value = new Date();
        return options.label.formatter
            .call(this, options.value, options.label.format);
    }
    return defaultMethod.call(this, defaultLabelOptions);
});