no-data-to-display.src.js
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/**
* @license Highcharts JS v7.2.0 (2019-09-03)
*
* 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('highcharts/modules/no-data-to-display', ['highcharts'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'modules/no-data-to-display.src.js', [_modules['parts/Globals.js']], 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 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.AlignValue}
*/
align: 'center',
/**
* Vertical alignment of the label.
*
* @type {Highcharts.VerticalAlignValue}
*/
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'
}
};
/**
* 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();
}
});
});
_registerModule(_modules, 'masters/modules/no-data-to-display.src.js', [], function () {
});
}));