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/* *
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
/**
* Callback for chart constructors.
*
* @callback Highcharts.ChartCallbackFunction
*
* @param {Highcharts.Chart} chart
* Created chart.
*/
/**
* The chart title. The title has an `update` method that allows modifying the
* options directly or indirectly via `chart.update`.
*
* @interface Highcharts.TitleObject
* @extends Highcharts.SVGElement
*//**
* Modify options for the title.
*
* @function Highcharts.TitleObject#update
*
* @param {Highcharts.TitleOptions} titleOptions
* Options to modify.
*
* @param {boolean} [redraw=true]
* Whether to redraw the chart after the title is altered. If doing more
* operations on the chart, it is a good idea to set redraw to false and
* call {@link Chart#redraw} after.
*/
/**
* The chart subtitle. The subtitle has an `update` method that
* allows modifying the options directly or indirectly via
* `chart.update`.
*
* @interface Highcharts.SubtitleObject
* @extends Highcharts.SVGElement
*//**
* Modify options for the subtitle.
*
* @function Highcharts.SubtitleObject#update
*
* @param {Highcharts.SubtitleOptions} subtitleOptions
* Options to modify.
*
* @param {boolean} [redraw=true]
* Whether to redraw the chart after the subtitle is altered. If doing
* more operations on the chart, it is a good idea to set redraw to false
* and call {@link Chart#redraw} after.
*/
'use strict';
import H from './Globals.js';
import './Utilities.js';
import './Axis.js';
import './Legend.js';
import './Options.js';
import './Pointer.js';
var addEvent = H.addEvent,
animate = H.animate,
animObject = H.animObject,
attr = H.attr,
doc = H.doc,
Axis = H.Axis, // @todo add as requirement
createElement = H.createElement,
defaultOptions = H.defaultOptions,
discardElement = H.discardElement,
charts = H.charts,
css = H.css,
defined = H.defined,
extend = H.extend,
find = H.find,
fireEvent = H.fireEvent,
isNumber = H.isNumber,
isObject = H.isObject,
isString = H.isString,
Legend = H.Legend, // @todo add as requirement
marginNames = H.marginNames,
merge = H.merge,
objectEach = H.objectEach,
Pointer = H.Pointer, // @todo add as requirement
pick = H.pick,
pInt = H.pInt,
removeEvent = H.removeEvent,
seriesTypes = H.seriesTypes,
splat = H.splat,
syncTimeout = H.syncTimeout,
win = H.win;
/**
* The Chart class. The recommended constructor is {@link Highcharts#chart}.
*
* @example
* var chart = Highcharts.chart('container', {
* title: {
* text: 'My chart'
* },
* series: [{
* data: [1, 3, 2, 4]
* }]
* })
*
* @class
* @name Highcharts.Chart
*
* @param {string|Highcharts.HTMLDOMElement} [renderTo]
* The DOM element to render to, or its id.
*
* @param {Highcharts.Options} options
* The chart options structure.
*
* @param {Highcharts.ChartCallbackFunction} [callback]
* Function to run when the chart has loaded and and all external images
* are loaded. Defining a
* [chart.events.load](https://api.highcharts.com/highcharts/chart.events.load)
* handler is equivalent.
*/
var Chart = H.Chart = function () {
this.getArgs.apply(this, arguments);
};
/**
* Factory function for basic charts.
*
* @example
* // Render a chart in to div#container
* var chart = Highcharts.chart('container', {
* title: {
* text: 'My chart'
* },
* series: [{
* data: [1, 3, 2, 4]
* }]
* });
*
* @function Highcharts.chart
*
* @param {string|Highcharts.HTMLDOMElement} [renderTo]
* The DOM element to render to, or its id.
*
* @param {Highcharts.Options} options
* The chart options structure.
*
* @param {Highcharts.ChartCallbackFunction} [callback]
* Function to run when the chart has loaded and and all external images
* are loaded. Defining a
* [chart.events.load](https://api.highcharts.com/highcharts/chart.events.load)
* handler is equivalent.
*
* @return {Highcharts.Chart}
* Returns the Chart object.
*/
H.chart = function (a, b, c) {
return new Chart(a, b, c);
};
extend(Chart.prototype, /** @lends Highcharts.Chart.prototype */ {
// Hook for adding callbacks in modules
callbacks: [],
/**
* Handle the arguments passed to the constructor.
*
* @private
* @function Highcharts.Chart#getArgs
*
* @param {...Array<*>} arguments
* All arguments for the constructor.
*
* @return {Array<*>}
* Passed arguments without renderTo.
*
* @fires Highcharts.Chart#event:init
* @fires Highcharts.Chart#event:afterInit
*/
getArgs: function () {
var args = [].slice.call(arguments);
// Remove the optional first argument, renderTo, and
// set it on this.
if (isString(args[0]) || args[0].nodeName) {
this.renderTo = args.shift();
}
this.init(args[0], args[1]);
},
/**
* Overridable function that initializes the chart. The constructor's
* arguments are passed on directly.
*
* @function Highcharts.Chart#init
*
* @param {Highcharts.Options} userOptions
* Custom options.
*
* @param {Function} [callback]
* Function to run when the chart has loaded and and all external
* images are loaded.
*
* @fires Highcharts.Chart#event:init
* @fires Highcharts.Chart#event:afterInit
*/
init: function (userOptions, callback) {
// Handle regular options
var options,
// skip merging data points to increase performance
seriesOptions = userOptions.series,
userPlotOptions = userOptions.plotOptions || {};
// Fire the event with a default function
fireEvent(this, 'init', { args: arguments }, function () {
userOptions.series = null;
options = merge(defaultOptions, userOptions); // do the merge
// Override (by copy of user options) or clear tooltip options
// in chart.options.plotOptions (#6218)
objectEach(options.plotOptions, function (typeOptions, type) {
if (isObject(typeOptions)) { // #8766
typeOptions.tooltip = (
userPlotOptions[type] &&
merge(userPlotOptions[type].tooltip) // override by copy
) || undefined; // or clear
}
});
// User options have higher priority than default options
// (#6218). In case of exporting: path is changed
options.tooltip.userOptions = (
userOptions.chart &&
userOptions.chart.forExport &&
userOptions.tooltip.userOptions
) || userOptions.tooltip;
// set back the series data
options.series = userOptions.series = seriesOptions;
/**
* The original options given to the constructor or a chart factory
* like {@link Highcharts.chart} and {@link Highcharts.stockChart}.
*
* @name Highcharts.Chart#userOptions
* @type {Highcharts.Options}
*/
this.userOptions = userOptions;
var optionsChart = options.chart;
var chartEvents = optionsChart.events;
this.margin = [];
this.spacing = [];
// Pixel data bounds for touch zoom
this.bounds = { h: {}, v: {} };
// An array of functions that returns labels that should be
// considered for anti-collision
this.labelCollectors = [];
this.callback = callback;
this.isResizing = 0;
/**
* The options structure for the chart after merging
* {@link #defaultOptions} and {@link #userOptions}. It contains
* members for the sub elements like series, legend, tooltip etc.
*
* @name Highcharts.Chart#options
* @type {Highcharts.Options}
*/
this.options = options;
/**
* All the axes in the chart.
*
* @see Highcharts.Chart.xAxis
* @see Highcharts.Chart.yAxis
*
* @name Highcharts.Chart#axes
* @type {Array<Highcharts.Axis>}
*/
this.axes = [];
/**
* All the current series in the chart.
*
* @name Highcharts.Chart#series
* @type {Array<Highcharts.Series>}
*/
this.series = [];
/**
* The `Time` object associated with the chart. Since v6.0.5,
* time settings can be applied individually for each chart. If
* no individual settings apply, the `Time` object is shared by
* all instances.
*
* @name Highcharts.Chart#time
* @type {Highcharts.Time}
*/
this.time =
userOptions.time && Object.keys(userOptions.time).length ?
new H.Time(userOptions.time) :
H.time;
/**
* Whether the chart is in styled mode, meaning all presentatinoal
* attributes are avoided.
*
* @name Highcharts.Chart#styledMode
* @type {boolean}
*/
this.styledMode = optionsChart.styledMode;
this.hasCartesianSeries = optionsChart.showAxes;
var chart = this;
/**
* Index position of the chart in the {@link Highcharts#charts}
* property.
*
* @name Highcharts.Chart#index
* @type {number}
*/
chart.index = charts.length; // Add the chart to the global lookup
charts.push(chart);
H.chartCount++;
// Chart event handlers
if (chartEvents) {
objectEach(chartEvents, function (event, eventType) {
addEvent(chart, eventType, event);
});
}
/**
* A collection of the X axes in the chart.
*
* @name Highcharts.Chart#xAxis
* @type {Array<Highcharts.Axis>}
*/
chart.xAxis = [];
/**
* A collection of the Y axes in the chart.
*
* @name Highcharts.Chart#yAxis
* @type {Array<Highcharts.Axis>}
*
* @todo
* Make events official: Fire the event `afterInit`.
*/
chart.yAxis = [];
chart.pointCount = chart.colorCounter = chart.symbolCounter = 0;
// Fire after init but before first render, before axes and series
// have been initialized.
fireEvent(chart, 'afterInit');
chart.firstRender();
});
},
/**
* Internal function to unitialize an individual series.
*
* @private
* @function Highcharts.Chart#initSeries
*
* @param {Highcharts.ChartOptions} options
*
* @return {Highcharts.Series}
*/
initSeries: function (options) {
var chart = this,
optionsChart = chart.options.chart,
type = (
options.type ||
optionsChart.type ||
optionsChart.defaultSeriesType
),
series,
Constr = seriesTypes[type];
// No such series type
if (!Constr) {
H.error(17, true, chart);
}
series = new Constr();
series.init(this, options);
return series;
},
/**
* Order all series above a given index. When series are added and ordered
* by configuration, only the last series is handled (#248, #1123, #2456,
* #6112). This function is called on series initialization and destroy.
*
* @private
* @function Highcharts.Series#orderSeries
*
* @param {number} fromIndex
* If this is given, only the series above this index are handled.
*/
orderSeries: function (fromIndex) {
var series = this.series,
i = fromIndex || 0;
for (; i < series.length; i++) {
if (series[i]) {
series[i].index = i;
series[i].name = series[i].getName();
}
}
},
/**
* Check whether a given point is within the plot area.
*
* @function Highcharts.Chart#isInsidePlot
*
* @param {number} plotX
* Pixel x relative to the plot area.
*
* @param {number} plotY
* Pixel y relative to the plot area.
*
* @param {boolean} [inverted]
* Whether the chart is inverted.
*
* @return {boolean}
* Returns true if the given point is inside the plot area.
*/
isInsidePlot: function (plotX, plotY, inverted) {
var x = inverted ? plotY : plotX,
y = inverted ? plotX : plotY;
return x >= 0 &&
x <= this.plotWidth &&
y >= 0 &&
y <= this.plotHeight;
},
/**
* Redraw the chart after changes have been done to the data, axis extremes
* chart size or chart elements. All methods for updating axes, series or
* points have a parameter for redrawing the chart. This is `true` by
* default. But in many cases you want to do more than one operation on the
* chart before redrawing, for example add a number of points. In those
* cases it is a waste of resources to redraw the chart for each new point
* added. So you add the points and call `chart.redraw()` after.
*
* @function Highcharts.Chart#redraw
*
* @param {boolean|Highcharts.AnimationOptionsObject} [animation]
* If or how to apply animation to the redraw.
*
* @fires Highcharts.Chart#event:afterSetExtremes
* @fires Highcharts.Chart#event:beforeRedraw
* @fires Highcharts.Chart#event:predraw
* @fires Highcharts.Chart#event:redraw
* @fires Highcharts.Chart#event:render
* @fires Highcharts.Chart#event:updatedData
*/
redraw: function (animation) {
fireEvent(this, 'beforeRedraw');
var chart = this,
axes = chart.axes,
series = chart.series,
pointer = chart.pointer,
legend = chart.legend,
legendUserOptions = chart.userOptions.legend,
redrawLegend = chart.isDirtyLegend,
hasStackedSeries,
hasDirtyStacks,
hasCartesianSeries = chart.hasCartesianSeries,
isDirtyBox = chart.isDirtyBox,
i,
serie,
renderer = chart.renderer,
isHiddenChart = renderer.isHidden(),
afterRedraw = [];
// Handle responsive rules, not only on resize (#6130)
if (chart.setResponsive) {
chart.setResponsive(false);
}
H.setAnimation(animation, chart);
if (isHiddenChart) {
chart.temporaryDisplay();
}
// Adjust title layout (reflow multiline text)
chart.layOutTitles();
// link stacked series
i = series.length;
while (i--) {
serie = series[i];
if (serie.options.stacking) {
hasStackedSeries = true;
if (serie.isDirty) {
hasDirtyStacks = true;
break;
}
}
}
if (hasDirtyStacks) { // mark others as dirty
i = series.length;
while (i--) {
serie = series[i];
if (serie.options.stacking) {
serie.isDirty = true;
}
}
}
// Handle updated data in the series
series.forEach(function (serie) {
if (serie.isDirty) {
if (serie.options.legendType === 'point') {
if (serie.updateTotals) {
serie.updateTotals();
}
redrawLegend = true;
} else if (
legendUserOptions &&
(
legendUserOptions.labelFormatter ||
legendUserOptions.labelFormat
)
) {
redrawLegend = true; // #2165
}
}
if (serie.isDirtyData) {
fireEvent(serie, 'updatedData');
}
});
// handle added or removed series
if (redrawLegend && legend && legend.options.enabled) {
// draw legend graphics
legend.render();
chart.isDirtyLegend = false;
}
// reset stacks
if (hasStackedSeries) {
chart.getStacks();
}
if (hasCartesianSeries) {
// set axes scales
axes.forEach(function (axis) {
axis.updateNames();
axis.setScale();
});
}
chart.getMargins(); // #3098
if (hasCartesianSeries) {
// If one axis is dirty, all axes must be redrawn (#792, #2169)
axes.forEach(function (axis) {
if (axis.isDirty) {
isDirtyBox = true;
}
});
// redraw axes
axes.forEach(function (axis) {
// Fire 'afterSetExtremes' only if extremes are set
var key = axis.min + ',' + axis.max;
if (axis.extKey !== key) { // #821, #4452
axis.extKey = key;
// prevent a recursive call to chart.redraw() (#1119)
afterRedraw.push(function () {
fireEvent(
axis,
'afterSetExtremes',
extend(axis.eventArgs, axis.getExtremes())
); // #747, #751
delete axis.eventArgs;
});
}
if (isDirtyBox || hasStackedSeries) {
axis.redraw();
}
});
}
// the plot areas size has changed
if (isDirtyBox) {
chart.drawChartBox();
}
// Fire an event before redrawing series, used by the boost module to
// clear previous series renderings.
fireEvent(chart, 'predraw');
// redraw affected series
series.forEach(function (serie) {
if ((isDirtyBox || serie.isDirty) && serie.visible) {
serie.redraw();
}
// Set it here, otherwise we will have unlimited 'updatedData' calls
// for a hidden series after setData(). Fixes #6012
serie.isDirtyData = false;
});
// move tooltip or reset
if (pointer) {
pointer.reset(true);
}
// redraw if canvas
renderer.draw();
// Fire the events
fireEvent(chart, 'redraw');
fireEvent(chart, 'render');
if (isHiddenChart) {
chart.temporaryDisplay(true);
}
// Fire callbacks that are put on hold until after the redraw
afterRedraw.forEach(function (callback) {
callback.call();
});
},
/**
* Get an axis, series or point object by `id` as given in the configuration
* options. Returns `undefined` if no item is found.
*
* @sample highcharts/plotoptions/series-id/
* Get series by id
*
* @function Highcharts.Chart#get
*
* @param {string} id
* The id as given in the configuration options.
*
* @return {Highcharts.Axis|Highcharts.Series|Highcharts.Point|undefined}
* The retrieved item.
*/
get: function (id) {
var ret,
series = this.series,
i;
function itemById(item) {
return item.id === id || (item.options && item.options.id === id);
}
ret =
// Search axes
find(this.axes, itemById) ||
// Search series
find(this.series, itemById);
// Search points
for (i = 0; !ret && i < series.length; i++) {
ret = find(series[i].points || [], itemById);
}
return ret;
},
/**
* Create the Axis instances based on the config options.
*
* @private
* @function Highcharts.Chart#getAxes
*
* @fires Highcharts.Chart#event:afterGetAxes
* @fires Highcharts.Chart#event:getAxes
*/
getAxes: function () {
var chart = this,
options = this.options,
xAxisOptions = options.xAxis = splat(options.xAxis || {}),
yAxisOptions = options.yAxis = splat(options.yAxis || {}),
optionsArray;
fireEvent(this, 'getAxes');
// make sure the options are arrays and add some members
xAxisOptions.forEach(function (axis, i) {
axis.index = i;
axis.isX = true;
});
yAxisOptions.forEach(function (axis, i) {
axis.index = i;
});
// concatenate all axis options into one array
optionsArray = xAxisOptions.concat(yAxisOptions);
optionsArray.forEach(function (axisOptions) {
new Axis(chart, axisOptions); // eslint-disable-line no-new
});
fireEvent(this, 'afterGetAxes');
},
/**
* Returns an array of all currently selected points in the chart. Points
* can be selected by clicking or programmatically by the
* {@link Highcharts.Point#select}
* function.
*
* @sample highcharts/plotoptions/series-allowpointselect-line/
* Get selected points
*
* @function Highcharts.Chart#getSelectedPoints
*
* @return {Array<Highcharts.Point>}
* The currently selected points.
*/
getSelectedPoints: function () {
var points = [];
this.series.forEach(function (serie) {
// For one-to-one points inspect series.data in order to retrieve
// points outside the visible range (#6445). For grouped data,
// inspect the generated series.points.
points = points.concat(
(serie[serie.hasGroupedData ? 'points' : 'data'] || []).filter(
function (point) {
return point.selected;
}
)
);
});
return points;
},
/**
* Returns an array of all currently selected series in the chart. Series
* can be selected either programmatically by the
* {@link Highcharts.Series#select}
* function or by checking the checkbox next to the legend item if
* [series.showCheckBox](https://api.highcharts.com/highcharts/plotOptions.series.showCheckbox)
* is true.
*
* @sample highcharts/members/chart-getselectedseries/
* Get selected series
*
* @function Highcharts.Chart#getSelectedSeries
*
* @return {Array<Highcharts.Series>}
* The currently selected series.
*/
getSelectedSeries: function () {
return this.series.filter(function (serie) {
return serie.selected;
});
},
/**
* Set a new title or subtitle for the chart.
*
* @sample highcharts/members/chart-settitle/
* Set title text and styles
*
* @function Highcharts.Chart#setTitle
*
* @param {Highcharts.TitleOptions} titleOptions
* New title options. The title text itself is set by the
* `titleOptions.text` property.
*
* @param {Highcharts.SubtitleOptions} subtitleOptions
* New subtitle options. The subtitle text itself is set by the
* `subtitleOptions.text` property.
*
* @param {boolean} redraw
* Whether to redraw the chart or wait for a later call to
* `chart.redraw()`.
*/
setTitle: function (titleOptions, subtitleOptions, redraw) {
var chart = this,
options = chart.options,
styledMode = chart.styledMode,
chartTitleOptions,
chartSubtitleOptions;
chartTitleOptions = options.title = merge(
// Default styles
!styledMode && {
style: {
color: '#333333',
fontSize: options.isStock ? '16px' : '18px' // #2944
}
},
options.title,
titleOptions
);
chartSubtitleOptions = options.subtitle = merge(
// Default styles
!styledMode && {
style: {
color: '#666666'
}
},
options.subtitle,
subtitleOptions
);
// add title and subtitle
/**
* The chart title. The title has an `update` method that allows
* modifying the options directly or indirectly via
* `chart.update`.
*
* @sample highcharts/members/title-update/
* Updating titles
*
* @name Highcharts.Chart#title
* @type {Highcharts.TitleObject}
*/
/**
* The chart subtitle. The subtitle has an `update` method that
* allows modifying the options directly or indirectly via
* `chart.update`.
*
* @name Highcharts.Chart#subtitle
* @type {Highcharts.SubtitleObject}
*/
[
['title', titleOptions, chartTitleOptions],
['subtitle', subtitleOptions, chartSubtitleOptions]
].forEach(function (arr, i) {
var name = arr[0],
title = chart[name],
titleOptions = arr[1],
chartTitleOptions = arr[2];
if (title && titleOptions) {
chart[name] = title = title.destroy(); // remove old
}
if (chartTitleOptions && !title) {
chart[name] = chart.renderer.text(
chartTitleOptions.text,
0,
0,
chartTitleOptions.useHTML
)
.attr({
align: chartTitleOptions.align,
'class': 'highcharts-' + name,
zIndex: chartTitleOptions.zIndex || 4
})
.add();
// Update methods, shortcut to Chart.setTitle
chart[name].update = function (o) {
chart.setTitle(!i && o, i && o);
};
// Presentational
if (!styledMode) {
chart[name].css(chartTitleOptions.style);
}
}
});
chart.layOutTitles(redraw);
},
/**
* Internal function to lay out the chart titles and cache the full offset
* height for use in `getMargins`. The result is stored in
* `this.titleOffset`.
*
* @private
* @function Highcharts.Chart#layOutTitles
*
* @param {boolean} [redraw=true]
*/
layOutTitles: function (redraw) {
var titleOffset = 0,
requiresDirtyBox,
renderer = this.renderer,
spacingBox = this.spacingBox;
// Lay out the title and the subtitle respectively
['title', 'subtitle'].forEach(function (key) {
var title = this[key],
titleOptions = this.options[key],
offset = key === 'title' ? -3 :
// Floating subtitle (#6574)
titleOptions.verticalAlign ? 0 : titleOffset + 2,
titleSize;
if (title) {
if (!this.styledMode) {
titleSize = titleOptions.style.fontSize;
}
titleSize = renderer.fontMetrics(titleSize, title).b;
title
.css({
width: (titleOptions.width ||
spacingBox.width + titleOptions.widthAdjust) + 'px'
})
.align(extend({
y: offset + titleSize
}, titleOptions), false, 'spacingBox');
if (!titleOptions.floating && !titleOptions.verticalAlign) {
titleOffset = Math.ceil(
titleOffset +
// Skip the cache for HTML (#3481)
title.getBBox(titleOptions.useHTML).height
);
}
}
}, this);
requiresDirtyBox = this.titleOffset !== titleOffset;
this.titleOffset = titleOffset; // used in getMargins
if (!this.isDirtyBox && requiresDirtyBox) {
this.isDirtyBox = this.isDirtyLegend = requiresDirtyBox;
// Redraw if necessary (#2719, #2744)
if (this.hasRendered && pick(redraw, true) && this.isDirtyBox) {
this.redraw();
}
}
},
/**
* Internal function to get the chart width and height according to options
* and container size. Sets {@link Chart.chartWidth} and
* {@link Chart.chartHeight}.
*
* @private
* @function Highcharts.Chart#getChartSize
*/
getChartSize: function () {
var chart = this,
optionsChart = chart.options.chart,
widthOption = optionsChart.width,
heightOption = optionsChart.height,
renderTo = chart.renderTo;
// Get inner width and height
if (!defined(widthOption)) {
chart.containerWidth = H.getStyle(renderTo, 'width');
}
if (!defined(heightOption)) {
chart.containerHeight = H.getStyle(renderTo, 'height');
}
/**
* The current pixel width of the chart.
*
* @name Highcharts.Chart#chartWidth
* @type {number}
*/
chart.chartWidth = Math.max( // #1393
0,
widthOption || chart.containerWidth || 600 // #1460
);
/**
* The current pixel height of the chart.
*
* @name Highcharts.Chart#chartHeight
* @type {number}
*/
chart.chartHeight = Math.max(
0,
H.relativeLength(
heightOption,
chart.chartWidth
) ||
(chart.containerHeight > 1 ? chart.containerHeight : 400)
);
},
/**
* If the renderTo element has no offsetWidth, most likely one or more of
* its parents are hidden. Loop up the DOM tree to temporarily display the
* parents, then save the original display properties, and when the true
* size is retrieved, reset them. Used on first render and on redraws.
*
* @private
* @function Highcharts.Chart#temporaryDisplay
*
* @param {boolean} revert
* Revert to the saved original styles.
*/
temporaryDisplay: function (revert) {
var node = this.renderTo,
tempStyle;
if (!revert) {
while (node && node.style) {
// When rendering to a detached node, it needs to be temporarily
// attached in order to read styling and bounding boxes (#5783,
// #7024).
if (!doc.body.contains(node) && !node.parentNode) {
node.hcOrigDetached = true;
doc.body.appendChild(node);
}
if (
H.getStyle(node, 'display', false) === 'none' ||
node.hcOricDetached
) {
node.hcOrigStyle = {
display: node.style.display,
height: node.style.height,
overflow: node.style.overflow
};
tempStyle = {
display: 'block',
overflow: 'hidden'
};
if (node !== this.renderTo) {
tempStyle.height = 0;
}
H.css(node, tempStyle);
// If it still doesn't have an offset width after setting
// display to block, it probably has an !important priority
// #2631, 6803
if (!node.offsetWidth) {
node.style.setProperty('display', 'block', 'important');
}
}
node = node.parentNode;
if (node === doc.body) {
break;
}
}
} else {
while (node && node.style) {
if (node.hcOrigStyle) {
H.css(node, node.hcOrigStyle);
delete node.hcOrigStyle;
}
if (node.hcOrigDetached) {
doc.body.removeChild(node);
node.hcOrigDetached = false;
}
node = node.parentNode;
}
}
},
/**
* Set the {@link Chart.container|chart container's} class name, in
* addition to `highcharts-container`.
*
* @function Highcharts.Chart#setClassName
*
* @param {string} className
*/
setClassName: function (className) {
this.container.className = 'highcharts-container ' + (className || '');
},
/**
* Get the containing element, determine the size and create the inner
* container div to hold the chart.
*
* @private
* @function Highcharts.Chart#afterGetContainer
*
* @fires Highcharts.Chart#event:afterGetContainer
*/
getContainer: function () {
var chart = this,
container,
options = chart.options,
optionsChart = options.chart,
chartWidth,
chartHeight,
renderTo = chart.renderTo,
indexAttrName = 'data-highcharts-chart',
oldChartIndex,
Ren,
containerId = H.uniqueKey(),
containerStyle,
key;
if (!renderTo) {
chart.renderTo = renderTo = optionsChart.renderTo;
}
if (isString(renderTo)) {
chart.renderTo = renderTo = doc.getElementById(renderTo);
}
// Display an error if the renderTo is wrong
if (!renderTo) {
H.error(13, true, chart);
}
// If the container already holds a chart, destroy it. The check for
// hasRendered is there because web pages that are saved to disk from
// the browser, will preserve the data-highcharts-chart attribute and
// the SVG contents, but not an interactive chart. So in this case,
// charts[oldChartIndex] will point to the wrong chart if any (#2609).
oldChartIndex = pInt(attr(renderTo, indexAttrName));
if (
isNumber(oldChartIndex) &&
charts[oldChartIndex] &&
charts[oldChartIndex].hasRendered
) {
charts[oldChartIndex].destroy();
}
// Make a reference to the chart from the div
attr(renderTo, indexAttrName, chart.index);
// remove previous chart
renderTo.innerHTML = '';
// If the container doesn't have an offsetWidth, it has or is a child of
// a node that has display:none. We need to temporarily move it out to a
// visible state to determine the size, else the legend and tooltips
// won't render properly. The skipClone option is used in sparklines as
// a micro optimization, saving about 1-2 ms each chart.
if (!optionsChart.skipClone && !renderTo.offsetWidth) {
chart.temporaryDisplay();
}
// get the width and height
chart.getChartSize();
chartWidth = chart.chartWidth;
chartHeight = chart.chartHeight;
// Allow table cells and flex-boxes to shrink without the chart blocking
// them out (#6427)
css(renderTo, { overflow: 'hidden' });
// Create the inner container
if (!chart.styledMode) {
containerStyle = extend({
position: 'relative',
// needed for context menu (avoidscrollbars) and content
// overflow in IE
overflow: 'hidden',
width: chartWidth + 'px',
height: chartHeight + 'px',
textAlign: 'left',
lineHeight: 'normal', // #427
zIndex: 0, // #1072
'-webkit-tap-highlight-color': 'rgba(0,0,0,0)'
}, optionsChart.style);
}
/**
* The containing HTML element of the chart. The container is
* dynamically inserted into the element given as the `renderTo`
* parameter in the {@link Highcharts#chart} constructor.
*
* @name Highcharts.Chart#container
* @type {Highcharts.HTMLDOMElement}
*/
container = createElement(
'div',
{
id: containerId
},
containerStyle,
renderTo
);
chart.container = container;
// cache the cursor (#1650)
chart._cursor = container.style.cursor;
// Initialize the renderer
Ren = H[optionsChart.renderer] || H.Renderer;
/**
* The renderer instance of the chart. Each chart instance has only one
* associated renderer.
*
* @name Highcharts.Chart#renderer
* @type {Highcharts.SVGRenderer}
*/
chart.renderer = new Ren(
container,
chartWidth,
chartHeight,
null,
optionsChart.forExport,
options.exporting && options.exporting.allowHTML,
chart.styledMode
);
chart.setClassName(optionsChart.className);
if (!chart.styledMode) {
chart.renderer.setStyle(optionsChart.style);
} else {
// Initialize definitions
for (key in options.defs) {
this.renderer.definition(options.defs[key]);
}
}
// Add a reference to the charts index
chart.renderer.chartIndex = chart.index;
fireEvent(this, 'afterGetContainer');
},
/**
* Calculate margins by rendering axis labels in a preliminary position.
* Title, subtitle and legend have already been rendered at this stage, but
* will be moved into their final positions.
*
* @private
* @function Highcharts.Chart#getMargins
*
* @param {boolean} skipAxes
*
* @fires Highcharts.Chart#event:getMargins
*/
getMargins: function (skipAxes) {
var chart = this,
spacing = chart.spacing,
margin = chart.margin,
titleOffset = chart.titleOffset;
chart.resetMargins();
// Adjust for title and subtitle
if (titleOffset && !defined(margin[0])) {
chart.plotTop = Math.max(
chart.plotTop,
titleOffset + chart.options.title.margin + spacing[0]
);
}
// Adjust for legend
if (chart.legend && chart.legend.display) {
chart.legend.adjustMargins(margin, spacing);
}
fireEvent(this, 'getMargins');
if (!skipAxes) {
this.getAxisMargins();
}
},
/**
* @private
* @function Highcharts.Chart#getAxisMargins
*/
getAxisMargins: function () {
var chart = this,
// [top, right, bottom, left]
axisOffset = chart.axisOffset = [0, 0, 0, 0],
margin = chart.margin;
// pre-render axes to get labels offset width
if (chart.hasCartesianSeries) {
chart.axes.forEach(function (axis) {
if (axis.visible) {
axis.getOffset();
}
});
}
// Add the axis offsets
marginNames.forEach(function (m, side) {
if (!defined(margin[side])) {
chart[m] += axisOffset[side];
}
});
chart.setChartSize();
},
/**
* Reflows the chart to its container. By default, the chart reflows
* automatically to its container following a `window.resize` event, as per
* the [chart.reflow](https://api.highcharts.com/highcharts/chart.reflow)
* option. However, there are no reliable events for div resize, so if the
* container is resized without a window resize event, this must be called
* explicitly.
*
* @sample highcharts/members/chart-reflow/
* Resize div and reflow
* @sample highcharts/chart/events-container/
* Pop up and reflow
*
* @function Highcharts.Chart#reflow
*
* @param {global.Event} [e]
* Event arguments. Used primarily when the function is called
* internally as a response to window resize.
*/
reflow: function (e) {
var chart = this,
optionsChart = chart.options.chart,
renderTo = chart.renderTo,
hasUserSize = (
defined(optionsChart.width) &&
defined(optionsChart.height)
),
width = optionsChart.width || H.getStyle(renderTo, 'width'),
height = optionsChart.height || H.getStyle(renderTo, 'height'),
target = e ? e.target : win;
// Width and height checks for display:none. Target is doc in IE8 and
// Opera, win in Firefox, Chrome and IE9.
if (
!hasUserSize &&
!chart.isPrinting &&
width &&
height &&
(target === win || target === doc)
) {
if (
width !== chart.containerWidth ||
height !== chart.containerHeight
) {
H.clearTimeout(chart.reflowTimeout);
// When called from window.resize, e is set, else it's called
// directly (#2224)
chart.reflowTimeout = syncTimeout(function () {
// Set size, it may have been destroyed in the meantime
// (#1257)
if (chart.container) {
chart.setSize(undefined, undefined, false);
}
}, e ? 100 : 0);
}
chart.containerWidth = width;
chart.containerHeight = height;
}
},
/**
* Toggle the event handlers necessary for auto resizing, depending on the
* `chart.reflow` option.
*
* @private
* @function Highcharts.Chart#setReflow
*
* @param {boolean} reflow
*/
setReflow: function (reflow) {
var chart = this;
if (reflow !== false && !this.unbindReflow) {
this.unbindReflow = addEvent(win, 'resize', function (e) {
chart.reflow(e);
});
addEvent(this, 'destroy', this.unbindReflow);
} else if (reflow === false && this.unbindReflow) {
// Unbind and unset
this.unbindReflow = this.unbindReflow();
}
// The following will add listeners to re-fit the chart before and after
// printing (#2284). However it only works in WebKit. Should have worked
// in Firefox, but not supported in IE.
/*
if (win.matchMedia) {
win.matchMedia('print').addListener(function reflow() {
chart.reflow();
});
}
//*/
},
/**
* Resize the chart to a given width and height. In order to set the width
* only, the height argument may be skipped. To set the height only, pass
* `undefined` for the width.
*
* @sample highcharts/members/chart-setsize-button/
* Test resizing from buttons
* @sample highcharts/members/chart-setsize-jquery-resizable/
* Add a jQuery UI resizable
* @sample stock/members/chart-setsize/
* Highstock with UI resizable
*
* @function Highcharts.Chart#setSize
*
* @param {number|null} [width]
* The new pixel width of the chart. Since v4.2.6, the argument can
* be `undefined` in order to preserve the current value (when
* setting height only), or `null` to adapt to the width of the
* containing element.
*
* @param {number|null} [height]
* The new pixel height of the chart. Since v4.2.6, the argument can
* be `undefined` in order to preserve the current value, or `null`
* in order to adapt to the height of the containing element.
*
* @param {Highcharts.AnimationOptionsObject} [animation=true]
* Whether and how to apply animation.
*
* @fires Highcharts.Chart#event:endResize
* @fires Highcharts.Chart#event:resize
*/
setSize: function (width, height, animation) {
var chart = this,
renderer = chart.renderer,
globalAnimation;
// Handle the isResizing counter
chart.isResizing += 1;
// set the animation for the current process
H.setAnimation(animation, chart);
chart.oldChartHeight = chart.chartHeight;
chart.oldChartWidth = chart.chartWidth;
if (width !== undefined) {
chart.options.chart.width = width;
}
if (height !== undefined) {
chart.options.chart.height = height;
}
chart.getChartSize();
// Resize the container with the global animation applied if enabled
// (#2503)
if (!chart.styledMode) {
globalAnimation = renderer.globalAnimation;
(globalAnimation ? animate : css)(chart.container, {
width: chart.chartWidth + 'px',
height: chart.chartHeight + 'px'
}, globalAnimation);
}
chart.setChartSize(true);
renderer.setSize(chart.chartWidth, chart.chartHeight, animation);
// handle axes
chart.axes.forEach(function (axis) {
axis.isDirty = true;
axis.setScale();
});
chart.isDirtyLegend = true; // force legend redraw
chart.isDirtyBox = true; // force redraw of plot and chart border
chart.layOutTitles(); // #2857
chart.getMargins();
chart.redraw(animation);
chart.oldChartHeight = null;
fireEvent(chart, 'resize');
// Fire endResize and set isResizing back. If animation is disabled,
// fire without delay
syncTimeout(function () {
if (chart) {
fireEvent(chart, 'endResize', null, function () {
chart.isResizing -= 1;
});
}
}, animObject(globalAnimation).duration);
},
/**
* Set the public chart properties. This is done before and after the
* pre-render to determine margin sizes.
*
* @private
* @function Highcharts.Chart#setChartSize
*
* @param {boolean} skipAxes
*
* @fires Highcharts.Chart#event:afterSetChartSize
*/
setChartSize: function (skipAxes) {
var chart = this,
inverted = chart.inverted,
renderer = chart.renderer,
chartWidth = chart.chartWidth,
chartHeight = chart.chartHeight,
optionsChart = chart.options.chart,
spacing = chart.spacing,
clipOffset = chart.clipOffset,
clipX,
clipY,
plotLeft,
plotTop,
plotWidth,
plotHeight,
plotBorderWidth;
/**
* The current left position of the plot area in pixels.
*
* @name Highcharts.Chart#plotLeft
* @type {number}
*/
chart.plotLeft = plotLeft = Math.round(chart.plotLeft);
/**
* The current top position of the plot area in pixels.
*
* @name Highcharts.Chart#plotTop
* @type {number}
*/
chart.plotTop = plotTop = Math.round(chart.plotTop);
/**
* The current width of the plot area in pixels.
*
* @name Highcharts.Chart#plotWidth
* @type {number}
*/
chart.plotWidth = plotWidth = Math.max(
0,
Math.round(chartWidth - plotLeft - chart.marginRight)
);
/**
* The current height of the plot area in pixels.
*
* @name Highcharts.Chart#plotHeight
* @type {number}
*/
chart.plotHeight = plotHeight = Math.max(
0,
Math.round(chartHeight - plotTop - chart.marginBottom)
);
chart.plotSizeX = inverted ? plotHeight : plotWidth;
chart.plotSizeY = inverted ? plotWidth : plotHeight;
chart.plotBorderWidth = optionsChart.plotBorderWidth || 0;
// Set boxes used for alignment
chart.spacingBox = renderer.spacingBox = {
x: spacing[3],
y: spacing[0],
width: chartWidth - spacing[3] - spacing[1],
height: chartHeight - spacing[0] - spacing[2]
};
chart.plotBox = renderer.plotBox = {
x: plotLeft,
y: plotTop,
width: plotWidth,
height: plotHeight
};
plotBorderWidth = 2 * Math.floor(chart.plotBorderWidth / 2);
clipX = Math.ceil(Math.max(plotBorderWidth, clipOffset[3]) / 2);
clipY = Math.ceil(Math.max(plotBorderWidth, clipOffset[0]) / 2);
chart.clipBox = {
x: clipX,
y: clipY,
width: Math.floor(
chart.plotSizeX -
Math.max(plotBorderWidth, clipOffset[1]) / 2 -
clipX
),
height: Math.max(
0,
Math.floor(
chart.plotSizeY -
Math.max(plotBorderWidth, clipOffset[2]) / 2 -
clipY
)
)
};
if (!skipAxes) {
chart.axes.forEach(function (axis) {
axis.setAxisSize();
axis.setAxisTranslation();
});
}
fireEvent(chart, 'afterSetChartSize', { skipAxes: skipAxes });
},
/**
* Initial margins before auto size margins are applied.
*
* @private
* @function Highcharts.Chart#resetMargins
*/
resetMargins: function () {
fireEvent(this, 'resetMargins');
var chart = this,
chartOptions = chart.options.chart;
// Create margin and spacing array
['margin', 'spacing'].forEach(function splashArrays(target) {
var value = chartOptions[target],
values = isObject(value) ? value : [value, value, value, value];
[
'Top',
'Right',
'Bottom',
'Left'
].forEach(function (sideName, side) {
chart[target][side] = pick(
chartOptions[target + sideName],
values[side]
);
});
});
// Set margin names like chart.plotTop, chart.plotLeft,
// chart.marginRight, chart.marginBottom.
marginNames.forEach(function (m, side) {
chart[m] = pick(chart.margin[side], chart.spacing[side]);
});
chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
chart.clipOffset = [0, 0, 0, 0];
},
/**
* Internal function to draw or redraw the borders and backgrounds for chart
* and plot area.
*
* @private
* @function Highcharts.Chart#drawChartBox
*
* @fires Highcharts.Chart#event:afterDrawChartBox
*/
drawChartBox: function () {
var chart = this,
optionsChart = chart.options.chart,
renderer = chart.renderer,
chartWidth = chart.chartWidth,
chartHeight = chart.chartHeight,
chartBackground = chart.chartBackground,
plotBackground = chart.plotBackground,
plotBorder = chart.plotBorder,
chartBorderWidth,
styledMode = chart.styledMode,
plotBGImage = chart.plotBGImage,
chartBackgroundColor = optionsChart.backgroundColor,
plotBackgroundColor = optionsChart.plotBackgroundColor,
plotBackgroundImage = optionsChart.plotBackgroundImage,
mgn,
bgAttr,
plotLeft = chart.plotLeft,
plotTop = chart.plotTop,
plotWidth = chart.plotWidth,
plotHeight = chart.plotHeight,
plotBox = chart.plotBox,
clipRect = chart.clipRect,
clipBox = chart.clipBox,
verb = 'animate';
// Chart area
if (!chartBackground) {
chart.chartBackground = chartBackground = renderer.rect()
.addClass('highcharts-background')
.add();
verb = 'attr';
}
if (!styledMode) {
// Presentational
chartBorderWidth = optionsChart.borderWidth || 0;
mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);
bgAttr = {
fill: chartBackgroundColor || 'none'
};
if (chartBorderWidth || chartBackground['stroke-width']) { // #980
bgAttr.stroke = optionsChart.borderColor;
bgAttr['stroke-width'] = chartBorderWidth;
}
chartBackground
.attr(bgAttr)
.shadow(optionsChart.shadow);
} else {
chartBorderWidth = mgn = chartBackground.strokeWidth();
}
chartBackground[verb]({
x: mgn / 2,
y: mgn / 2,
width: chartWidth - mgn - chartBorderWidth % 2,
height: chartHeight - mgn - chartBorderWidth % 2,
r: optionsChart.borderRadius
});
// Plot background
verb = 'animate';
if (!plotBackground) {
verb = 'attr';
chart.plotBackground = plotBackground = renderer.rect()
.addClass('highcharts-plot-background')
.add();
}
plotBackground[verb](plotBox);
if (!styledMode) {
// Presentational attributes for the background
plotBackground
.attr({
fill: plotBackgroundColor || 'none'
})
.shadow(optionsChart.plotShadow);
// Create the background image
if (plotBackgroundImage) {
if (!plotBGImage) {
chart.plotBGImage = renderer.image(
plotBackgroundImage,
plotLeft,
plotTop,
plotWidth,
plotHeight
).add();
} else {
plotBGImage.animate(plotBox);
}
}
}
// Plot clip
if (!clipRect) {
chart.clipRect = renderer.clipRect(clipBox);
} else {
clipRect.animate({
width: clipBox.width,
height: clipBox.height
});
}
// Plot area border
verb = 'animate';
if (!plotBorder) {
verb = 'attr';
chart.plotBorder = plotBorder = renderer.rect()
.addClass('highcharts-plot-border')
.attr({
zIndex: 1 // Above the grid
})
.add();
}
if (!styledMode) {
// Presentational
plotBorder.attr({
stroke: optionsChart.plotBorderColor,
'stroke-width': optionsChart.plotBorderWidth || 0,
fill: 'none'
});
}
plotBorder[verb](plotBorder.crisp({
x: plotLeft,
y: plotTop,
width: plotWidth,
height: plotHeight
}, -plotBorder.strokeWidth())); // #3282 plotBorder should be negative;
// reset
chart.isDirtyBox = false;
fireEvent(this, 'afterDrawChartBox');
},
/**
* Detect whether a certain chart property is needed based on inspecting its
* options and series. This mainly applies to the chart.inverted property,
* and in extensions to the chart.angular and chart.polar properties.
*
* @private
* @function Highcharts.Chart#propFromSeries
*/
propFromSeries: function () {
var chart = this,
optionsChart = chart.options.chart,
klass,
seriesOptions = chart.options.series,
i,
value;
/**
* The flag is set to `true` if a series of the chart is inverted.
*
* @name Highcharts.Chart#inverted
* @type {boolean|undefined}
*/
['inverted', 'angular', 'polar'].forEach(function (key) {
// The default series type's class
klass = seriesTypes[optionsChart.type ||
optionsChart.defaultSeriesType];
// Get the value from available chart-wide properties
value =
optionsChart[key] || // It is set in the options
(klass && klass.prototype[key]); // The default series class
// requires it
// 4. Check if any the chart's series require it
i = seriesOptions && seriesOptions.length;
while (!value && i--) {
klass = seriesTypes[seriesOptions[i].type];
if (klass && klass.prototype[key]) {
value = true;
}
}
// Set the chart property
chart[key] = value;
});
},
/**
* Internal function to link two or more series together, based on the
* `linkedTo` option. This is done from `Chart.render`, and after
* `Chart.addSeries` and `Series.remove`.
*
* @private
* @function Highcharts.Chart#linkSeries
*
* @fires Highcharts.Chart#event:afterLinkSeries
*/
linkSeries: function () {
var chart = this,
chartSeries = chart.series;
// Reset links
chartSeries.forEach(function (series) {
series.linkedSeries.length = 0;
});
// Apply new links
chartSeries.forEach(function (series) {
var linkedTo = series.options.linkedTo;
if (isString(linkedTo)) {
if (linkedTo === ':previous') {
linkedTo = chart.series[series.index - 1];
} else {
linkedTo = chart.get(linkedTo);
}
// #3341 avoid mutual linking
if (linkedTo && linkedTo.linkedParent !== series) {
linkedTo.linkedSeries.push(series);
series.linkedParent = linkedTo;
series.visible = pick(
series.options.visible,
linkedTo.options.visible,
series.visible
); // #3879
}
}
});
fireEvent(this, 'afterLinkSeries');
},
/**
* Render series for the chart.
*
* @private
* @function Highcharts.Chart#renderSeries
*/
renderSeries: function () {
this.series.forEach(function (serie) {
serie.translate();
serie.render();
});
},
/**
* Render labels for the chart.
*
* @private
* @function Highcharts.Chart#renderLabels
*/
renderLabels: function () {
var chart = this,
labels = chart.options.labels;
if (labels.items) {
labels.items.forEach(function (label) {
var style = extend(labels.style, label.style),
x = pInt(style.left) + chart.plotLeft,
y = pInt(style.top) + chart.plotTop + 12;
// delete to prevent rewriting in IE
delete style.left;
delete style.top;
chart.renderer.text(
label.html,
x,
y
)
.attr({ zIndex: 2 })
.css(style)
.add();
});
}
},
/**
* Render all graphics for the chart. Runs internally on initialization.
*
* @private
* @function Highcharts.Chart#render
*/
render: function () {
var chart = this,
axes = chart.axes,
renderer = chart.renderer,
options = chart.options,
correction = 0, // correction for X axis labels
tempWidth,
tempHeight,
redoHorizontal,
redoVertical;
// Title
chart.setTitle();
/**
* The overview of the chart's series.
*
* @name Highcharts.Chart#legend
* @type {Highcharts.Legend}
*/
chart.legend = new Legend(chart, options.legend);
// Get stacks
if (chart.getStacks) {
chart.getStacks();
}
// Get chart margins
chart.getMargins(true);
chart.setChartSize();
// Record preliminary dimensions for later comparison
tempWidth = chart.plotWidth;
axes.some(function (axis) {
if (
axis.horiz &&
axis.visible &&
axis.options.labels.enabled &&
axis.series.length
) {
// 21 is the most common correction for X axis labels
correction = 21;
return true;
}
});
// use Math.max to prevent negative plotHeight
chart.plotHeight = Math.max(chart.plotHeight - correction, 0);
tempHeight = chart.plotHeight;
// Get margins by pre-rendering axes
axes.forEach(function (axis) {
axis.setScale();
});
chart.getAxisMargins();
// If the plot area size has changed significantly, calculate tick
// positions again
redoHorizontal = tempWidth / chart.plotWidth > 1.1;
// Height is more sensitive, use lower threshold
redoVertical = tempHeight / chart.plotHeight > 1.05;
if (redoHorizontal || redoVertical) {
axes.forEach(function (axis) {
if (
(axis.horiz && redoHorizontal) ||
(!axis.horiz && redoVertical)
) {
// update to reflect the new margins
axis.setTickInterval(true);
}
});
chart.getMargins(); // second pass to check for new labels
}
// Draw the borders and backgrounds
chart.drawChartBox();
// Axes
if (chart.hasCartesianSeries) {
axes.forEach(function (axis) {
if (axis.visible) {
axis.render();
}
});
}
// The series
if (!chart.seriesGroup) {
chart.seriesGroup = renderer.g('series-group')
.attr({ zIndex: 3 })
.add();
}
chart.renderSeries();
// Labels
chart.renderLabels();
// Credits
chart.addCredits();
// Handle responsiveness
if (chart.setResponsive) {
chart.setResponsive();
}
// Set flag
chart.hasRendered = true;
},
/**
* Set a new credits label for the chart.
*
* @sample highcharts/credits/credits-update/
* Add and update credits
*
* @function Highcharts.Chart#addCredits
*
* @param {Highcharts.CreditsOptions} options
* A configuration object for the new credits.
*/
addCredits: function (credits) {
var chart = this;
credits = merge(true, this.options.credits, credits);
if (credits.enabled && !this.credits) {
/**
* The chart's credits label. The label has an `update` method that
* allows setting new options as per the
* [credits options set](https://api.highcharts.com/highcharts/credits).
*
* @name Highcharts.Chart#credits
* @type {Highcharts.SVGElement}
*/
this.credits = this.renderer.text(
credits.text + (this.mapCredits || ''),
0,
0
)
.addClass('highcharts-credits')
.on('click', function () {
if (credits.href) {
win.location.href = credits.href;
}
})
.attr({
align: credits.position.align,
zIndex: 8
});
if (!chart.styledMode) {
this.credits.css(credits.style);
}
this.credits
.add()
.align(credits.position);
// Dynamically update
this.credits.update = function (options) {
chart.credits = chart.credits.destroy();
chart.addCredits(options);
};
}
},
/**
* Remove the chart and purge memory. This method is called internally
* before adding a second chart into the same container, as well as on
* window unload to prevent leaks.
*
* @sample highcharts/members/chart-destroy/
* Destroy the chart from a button
* @sample stock/members/chart-destroy/
* Destroy with Highstock
*
* @function Highcharts.Chart#destroy
*
* @fires Highcharts.Chart#event:destroy
*/
destroy: function () {
var chart = this,
axes = chart.axes,
series = chart.series,
container = chart.container,
i,
parentNode = container && container.parentNode;
// fire the chart.destoy event
fireEvent(chart, 'destroy');
// Delete the chart from charts lookup array
if (chart.renderer.forExport) {
H.erase(charts, chart); // #6569
} else {
charts[chart.index] = undefined;
}
H.chartCount--;
chart.renderTo.removeAttribute('data-highcharts-chart');
// remove events
removeEvent(chart);
// ==== Destroy collections:
// Destroy axes
i = axes.length;
while (i--) {
axes[i] = axes[i].destroy();
}
// Destroy scroller & scroller series before destroying base series
if (this.scroller && this.scroller.destroy) {
this.scroller.destroy();
}
// Destroy each series
i = series.length;
while (i--) {
series[i] = series[i].destroy();
}
// ==== Destroy chart properties:
[
'title', 'subtitle', 'chartBackground', 'plotBackground',
'plotBGImage', 'plotBorder', 'seriesGroup', 'clipRect', 'credits',
'pointer', 'rangeSelector', 'legend', 'resetZoomButton', 'tooltip',
'renderer'
].forEach(function (name) {
var prop = chart[name];
if (prop && prop.destroy) {
chart[name] = prop.destroy();
}
});
// Remove container and all SVG, check container as it can break in IE
// when destroyed before finished loading
if (container) {
container.innerHTML = '';
removeEvent(container);
if (parentNode) {
discardElement(container);
}
}
// clean it all up
objectEach(chart, function (val, key) {
delete chart[key];
});
},
/**
* Prepare for first rendering after all data are loaded.
*
* @private
* @function Highcharts.Chart#firstRender
*
* @fires Highcharts.Chart#event:beforeRender
*/
firstRender: function () {
var chart = this,
options = chart.options;
// Hook for oldIE to check whether the chart is ready to render
if (chart.isReadyToRender && !chart.isReadyToRender()) {
return;
}
// Create the container
chart.getContainer();
chart.resetMargins();
chart.setChartSize();
// Set the common chart properties (mainly invert) from the given series
chart.propFromSeries();
// get axes
chart.getAxes();
// Initialize the series
(H.isArray(options.series) ? options.series : []).forEach( // #9680
function (serieOptions) {
chart.initSeries(serieOptions);
}
);
chart.linkSeries();
// Run an event after axes and series are initialized, but before
// render. At this stage, the series data is indexed and cached in the
// xData and yData arrays, so we can access those before rendering. Used
// in Highstock.
fireEvent(chart, 'beforeRender');
// depends on inverted and on margins being set
if (Pointer) {
/**
* The Pointer that keeps track of mouse and touch interaction.
*
* @memberof Highcharts.Chart
* @name pointer
* @type {Highcharts.Pointer}
* @instance
*/
chart.pointer = new Pointer(chart, options);
}
chart.render();
// Fire the load event if there are no external images
if (!chart.renderer.imgCount && chart.onload) {
chart.onload();
}
// If the chart was rendered outside the top container, put it back in
// (#3679)
chart.temporaryDisplay(true);
},
/**
* Internal function that runs on chart load, async if any images are loaded
* in the chart. Runs the callbacks and triggers the `load` and `render`
* events.
*
* @private
* @function Highcharts.Chart#onload
*
* @fires Highcharts.Chart#event:load
* @fires Highcharts.Chart#event:render
*/
onload: function () {
// Run callbacks
[this.callback].concat(this.callbacks).forEach(function (fn) {
// Chart destroyed in its own callback (#3600)
if (fn && this.index !== undefined) {
fn.apply(this, [this]);
}
}, this);
fireEvent(this, 'load');
fireEvent(this, 'render');
// Set up auto resize, check for not destroyed (#6068)
if (defined(this.index)) {
this.setReflow(this.options.chart.reflow);
}
// Don't run again
this.onload = null;
}
}); // end Chart