| /base/000_base/node_modules/highcharts/js/modules/no-data-to-display.src.js |
|---|
| @@ -0,0 +1,159 @@ |
|---|
| /** |
| * @license Highcharts JS v5.0.12 (2017-05-24) |
| * Plugin for displaying a message when there is no data visible in chart. |
| * |
| * (c) 2010-2017 Highsoft AS |
| * Author: Oystein Moseng |
| * |
| * License: www.highcharts.com/license |
| */ |
| 'use strict'; |
| (function(factory) { |
| if (typeof module === 'object' && module.exports) { |
| module.exports = factory; |
| } else { |
| factory(Highcharts); |
| } |
| }(function(Highcharts) { |
| (function(H) { |
| /** |
| * Plugin for displaying a message when there is no data visible in chart. |
| * |
| * (c) 2010-2017 Highsoft AS |
| * Author: Oystein Moseng |
| * |
| * License: www.highcharts.com/license |
| */ |
| |
| var seriesTypes = H.seriesTypes, |
| chartPrototype = H.Chart.prototype, |
| defaultOptions = H.getOptions(), |
| extend = H.extend, |
| each = H.each; |
| |
| // Add language option |
| extend(defaultOptions.lang, { |
| noData: 'No data to display' |
| }); |
| |
| // Add default display options for message |
| defaultOptions.noData = { |
| position: { |
| x: 0, |
| y: 0, |
| align: 'center', |
| verticalAlign: 'middle' |
| } |
| // useHTML: false |
| }; |
| |
| |
| |
| |
| // Define hasData function for non-cartesian seris. Returns true if the series |
| // has points at all. |
| each([ |
| 'bubble', |
| 'gauge', |
| 'heatmap', |
| 'pie', |
| 'treemap', |
| 'waterfall' |
| ], 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. |
| */ |
| H.Series.prototype.hasData = function() { |
| return this.visible && this.dataMax !== undefined && this.dataMin !== undefined; // #3703 |
| }; |
| |
| /** |
| * Display a no-data message. |
| * |
| * @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.lang.noData, |
| noDataOptions = options.noData; |
| |
| if (!chart.noDataLabel) { |
| chart.noDataLabel = chart.renderer |
| .label( |
| text, |
| 0, |
| 0, |
| null, |
| null, |
| null, |
| noDataOptions.useHTML, |
| null, |
| 'no-data' |
| ); |
| |
| |
| |
| chart.noDataLabel.add(); |
| |
| chart.noDataLabel.align(extend(chart.noDataLabel.getBBox(), noDataOptions.position), false, 'plotBox'); |
| } |
| }; |
| |
| /** |
| * Hide no-data message |
| */ |
| 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 |
| */ |
| 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 |
| }; |
| |
| /** |
| * Show no-data message if there is no data in sight. Otherwise, hide it. |
| */ |
| function handleNoData() { |
| var chart = this; |
| if (chart.hasData()) { |
| chart.hideNoData(); |
| } else { |
| chart.showNoData(); |
| } |
| } |
| |
| /** |
| * Add event listener to handle automatic display of no-data message |
| */ |
| chartPrototype.callbacks.push(function(chart) { |
| H.addEvent(chart, 'load', handleNoData); |
| H.addEvent(chart, 'redraw', handleNoData); |
| }); |
| |
| }(Highcharts)); |
| })); |
