fireInternet/res/highcharts/code/modules/no-data-to-display.src.js

/**
 * @license Highcharts JS v7.0.2 (2019-01-17)
 * Plugin for displaying a message when there is no data visible in chart.
 *
 * (c) 2010-2019 Highsoft AS
 * Author: Oystein Moseng
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
	if (typeof module === 'object' && module.exports) {
		factory['default'] = factory;
		module.exports = factory;
	} else if (typeof define === 'function' && define.amd) {
		define(function () {
			return factory;
		});
	} else {
		factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
	}
}(function (Highcharts) {
	(function (H) {
		/* *
		 *
		 *  Plugin for displaying a message when there is no data visible in chart.
		 *
		 *  (c) 2010-2019 Highsoft AS
		 *
		 *  Author: Oystein Moseng
		 *
		 *  License: www.highcharts.com/license
		 *
		 * */



		var seriesTypes = H.seriesTypes,
		    chartPrototype = H.Chart.prototype,
		    defaultOptions = H.getOptions(),
		    extend = H.extend;

		// Add language option
		extend(
		    defaultOptions.lang,
		    /**
		     * @optionparent lang
		     */
		    {
		        /**
		         * The text to display when the chart contains no data. Requires the
		         * no-data module, see [noData](#noData).
		         *
		         * @sample highcharts/no-data-to-display/no-data-line
		         *         No-data text
		         *
		         * @since   3.0.8
		         * @product highcharts highstock
		         */
		        noData: 'No data to display'
		    }
		);

		// Add default display options for message

		/**
		 * Options for displaying a message like "No data to display".
		 * This feature requires the file no-data-to-display.js to be loaded in the
		 * page. The actual text to display is set in the lang.noData option.
		 *
		 * @sample highcharts/no-data-to-display/no-data-line
		 *         Line chart with no-data module
		 * @sample highcharts/no-data-to-display/no-data-pie
		 *         Pie chart with no-data module
		 *
		 * @product      highcharts highstock gantt
		 * @optionparent noData
		 */
		defaultOptions.noData = {

		    /**
		     * An object of additional SVG attributes for the no-data label.
		     *
		     * @type      {Highcharts.SVGAttributes}
		     * @since     3.0.8
		     * @product   highcharts highstock gantt
		     * @apioption noData.attr
		     */

		    /**
		     * Whether to insert the label as HTML, or as pseudo-HTML rendered with
		     * SVG.
		     *
		     * @type      {boolean}
		     * @default   false
		     * @since     4.1.10
		     * @product   highcharts highstock gantt
		     * @apioption noData.useHTML
		     */

		    /**
		     * The position of the no-data label, relative to the plot area.
		     *
		     * @type  {Highcharts.AlignObject}
		     * @since 3.0.8
		     */
		    position: {

		        /**
		         * Horizontal offset of the label, in pixels.
		         */
		        x: 0,

		        /**
		         * Vertical offset of the label, in pixels.
		         */
		        y: 0,

		        /**
		         * Horizontal alignment of the label.
		         *
		         * @type {Highcharts.AlignType}
		         */
		        align: 'center',

		        /**
		         * Vertical alignment of the label.
		         *
		         * @type {Highcharts.VerticalAlignType}
		         */
		        verticalAlign: 'middle'
		    },

		    /**
		     * CSS styles for the no-data label.
		     *
		     * @sample highcharts/no-data-to-display/no-data-line
		     *         Styled no-data text
		     *
		     * @type {Highcharts.CSSObject}
		     */
		    style: {
		        /** @ignore */
		        fontWeight: 'bold',
		        /** @ignore */
		        fontSize: '12px',
		        /** @ignore */
		        color: '#666666'
		    }

		};

		// Define hasData function for non-cartesian seris. Returns true if the series
		// has points at all.
		[
		    'bubble',
		    'gauge',
		    'heatmap',
		    'networkgraph',
		    'pie',
		    'sankey',
		    'treemap',
		    'waterfall'
		].forEach(function (type) {
		    if (seriesTypes[type]) {
		        seriesTypes[type].prototype.hasData = function () {
		            return !!this.points.length; // != 0
		        };
		    }
		});

		/**
		 * Define hasData functions for series. These return true if there are data
		 * points on this series within the plot area.
		 *
		 * @private
		 * @function Highcharts.Series#hasData
		 *
		 * @return {boolean}
		 */
		H.Series.prototype.hasData = function () {
		    return (
		        (
		            this.visible &&
		            this.dataMax !== undefined &&
		            this.dataMin !== undefined
		        ) || // #3703
		        (this.visible && this.yData && this.yData.length > 0) // #9758
		    );
		};

		/**
		 * Display a no-data message.
		 *
		 * @private
		 * @function Highcharts.Chart#showNoData
		 *
		 * @param {string} str
		 *        An optional message to show in place of the default one
		 */
		chartPrototype.showNoData = function (str) {
		    var chart = this,
		        options = chart.options,
		        text = str || (options && options.lang.noData),
		        noDataOptions = options && options.noData;

		    if (!chart.noDataLabel && chart.renderer) {
		        chart.noDataLabel = chart.renderer
		            .label(
		                text,
		                0,
		                0,
		                null,
		                null,
		                null,
		                noDataOptions.useHTML,
		                null,
		                'no-data'
		            );

		        if (!chart.styledMode) {
		            chart.noDataLabel
		                .attr(noDataOptions.attr)
		                .css(noDataOptions.style);
		        }

		        chart.noDataLabel.add();

		        chart.noDataLabel.align(
		            extend(chart.noDataLabel.getBBox(), noDataOptions.position),
		            false,
		            'plotBox'
		        );
		    }
		};

		/**
		 * Hide no-data message.
		 *
		 * @private
		 * @function Highcharts.Chart#hideNoData
		 */
		chartPrototype.hideNoData = function () {
		    var chart = this;

		    if (chart.noDataLabel) {
		        chart.noDataLabel = chart.noDataLabel.destroy();
		    }
		};

		/**
		 * Returns true if there are data points within the plot area now.
		 *
		 * @private
		 * @function Highcharts.Chart#hasData
		 */
		chartPrototype.hasData = function () {
		    var chart = this,
		        series = chart.series || [],
		        i = series.length;

		    while (i--) {
		        if (series[i].hasData() && !series[i].options.isInternal) {
		            return true;
		        }
		    }

		    return chart.loadingShown; // #4588
		};

		// Add event listener to handle automatic show or hide no-data message.
		H.addEvent(H.Chart, 'render', function handleNoData() {
		    if (this.hasData()) {
		        this.hideNoData();
		    } else {
		        this.showNoData();
		    }
		});

	}(Highcharts));
	return (function () {


	}());
}));