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Drilldown.ts
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Drilldown.ts
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/* *
*
* Highcharts Drilldown module
*
* Author: Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import type { SeriesOptionsType } from '../Core/Series/Types';
import Axis from '../Core/Axis/Axis.js';
import Chart from '../Core/Chart/Chart.js';
import Color from '../Core/Color.js';
import H from '../Core/Globals.js';
const {
noop
} = H;
import O from '../Core/Options.js';
const {
defaultOptions
} = O;
import Point from '../Core/Series/Point.js';
import SVGRenderer from '../Core/Renderer/SVG/SVGRenderer.js';
import Tick from '../Core/Axis/Tick.js';
import U from '../Core/Utilities.js';
const {
addEvent,
removeEvent,
animObject,
extend,
fireEvent,
format,
merge,
objectEach,
pick,
syncTimeout
} = U;
/**
* Internal types
* @private
*/
declare global {
namespace Highcharts {
interface Axis {
ddPoints?: Dictionary<Array<(boolean|Point)>>;
oldPos?: number;
drilldownCategory(x: number, e: MouseEvent): void;
getDDPoints(x: number): (Array<(boolean|Point)>|undefined);
}
interface ChartLike {
ddDupes?: Array<string>;
drilldown?: ChartDrilldownObject;
drilldownLevels?: Array<DrilldownLevelObject>;
drillUpButton?: SVGElement;
addSeriesAsDrilldown(
point: Point,
options: SeriesOptionsType
): void;
addSingleSeriesAsDrilldown(
point: Point,
ddOptions: SeriesOptionsType
): void;
applyDrilldown(): void;
drillUp(): void;
getDrilldownBackText(): (string|undefined);
showDrillUpButton(): void;
}
interface ChartDrilldownObject {
update(options: DrilldownOptions, redraw?: boolean): void;
}
interface ChartEventsOptions {
drilldown?: DrilldownCallbackFunction;
drillup?: DrillupCallbackFunction;
drillupall?: DrillupAllCallbackFunction;
}
interface ColumnSeries {
animateDrilldown(init?: boolean): void;
animateDrillupFrom(level: DrilldownLevelObject): void;
animateDrillupTo(init?: boolean): void;
}
interface DrilldownActiveDataLabelStyleOptions {
color?: string;
cursor?: string;
fontWeight?: string;
textDecoration?: string;
}
interface DrilldownDrillUpButtonOptions {
position?: (AlignObject|DrilldownDrillUpButtonPositionOptions);
relativeTo?: ButtonRelativeToValue;
theme?: object;
}
interface DrilldownDrillUpButtonPositionOptions {
align?: AlignValue;
verticalAlign?: VerticalAlignValue;
x?: number;
y?: number;
}
interface DrilldownCallbackFunction {
(this: Chart, e: DrilldownEventObject): void;
}
interface DrilldownEventObject {
category?: number;
originalEvent?: Event;
point: Point;
points?: Array<(boolean|Point)>;
preventDefault: Function;
seriesOptions?: SeriesOptionsType;
target: Chart;
type: 'drilldown';
}
interface DrilldownOptions extends Options {
activeAxisLabelStyle?: CSSObject;
activeDataLabelStyle?: (
CSSObject|DrilldownActiveDataLabelStyleOptions
);
allowPointDrilldown?: boolean;
animation?: (boolean|Partial<AnimationOptionsObject>);
drillUpButton?: DrilldownDrillUpButtonOptions;
series?: Array<SeriesOptionsType>;
}
interface DrilldownLevelObject {
bBox: (BBoxObject|Dictionary<undefined>);
color?: ColorType;
colorIndex?: number;
levelNumber: number;
levelSeries: Array<Series>;
levelSeriesOptions: Array<SeriesOptions>;
lowerSeries: Series;
lowerSeriesOptions: SeriesOptions;
oldExtremes: Dictionary<(number|undefined)>;
pointIndex: number;
pointOptions: PointOptionsType;
seriesOptions: SeriesOptions;
seriesPurgedOptions: SeriesOptions;
shapeArgs?: SVGAttributes;
resetZoomButton: SVGElement;
}
interface DrillupAllCallbackFunction {
(this: Chart, e: DrillupAllEventObject): void;
}
interface DrillupAllEventObject {
preventDefault: Function;
target: Chart;
type: 'drillupall';
}
interface DrillupCallbackFunction {
(this: Chart, e: DrillupEventObject): void;
}
interface DrillupEventObject {
preventDefault: Function;
seriesOptions?: SeriesOptionsType;
target: Chart;
type: 'drillup';
}
interface LangOptions {
drillUpText?: string;
}
interface Options {
drilldown?: DrilldownOptions;
}
interface PieSeries {
animateDrillupFrom: ColumnSeries['animateDrillupFrom'];
animateDrillupTo: ColumnSeries['animateDrillupTo'];
animateDrilldown(init?: boolean): void;
}
interface PointLike {
drilldown?: string;
doDrilldown(
_holdRedraw: (boolean|undefined),
category: (number|undefined),
originalEvent: Event
): void;
}
interface Series {
drilldownLevel?: DrilldownLevelObject;
isDrilling?: boolean;
purgedOptions?: SeriesOptionsType;
animateDrilldown?(init?: boolean): void;
animateDrillupFrom?(level: DrilldownLevelObject): void;
animateDrillupTo?(init?: boolean): void;
}
interface SeriesOptions {
_colorIndex?: number;
_ddSeriesId?: number;
_levelNumber?: number;
drilldown?: string;
}
interface SVGElement {
fadeIn(animation?: (boolean|Partial<AnimationOptionsObject>)): void;
}
interface Tick {
drillable(): void;
}
}
}
declare module '../Core/Series/Types' {
interface SeriesLike {
purgedOptions?: SeriesLikeOptions;
}
}
/**
* Gets fired when a drilldown point is clicked, before the new series is added.
* Note that when clicking a category label to trigger multiple series
* drilldown, one `drilldown` event is triggered per point in the category.
*
* @callback Highcharts.DrilldownCallbackFunction
*
* @param {Highcharts.Chart} this
* The chart where the event occurs.
*
* @param {Highcharts.DrilldownEventObject} e
* The drilldown event.
*/
/**
* The event arguments when a drilldown point is clicked.
*
* @interface Highcharts.DrilldownEventObject
*//**
* If a category label was clicked, which index.
* @name Highcharts.DrilldownEventObject#category
* @type {number|undefined}
*//**
* The original browser event (usually click) that triggered the drilldown.
* @name Highcharts.DrilldownEventObject#originalEvent
* @type {global.Event|undefined}
*//**
* Prevents the default behaviour of the event.
* @name Highcharts.DrilldownEventObject#preventDefault
* @type {Function}
*//**
* The originating point.
* @name Highcharts.DrilldownEventObject#point
* @type {Highcharts.Point}
*//**
* If a category label was clicked, this array holds all points corresponding to
* the category. Otherwise it is set to false.
* @name Highcharts.DrilldownEventObject#points
* @type {boolean|Array<Highcharts.Point>|undefined}
*//**
* Options for the new series. If the event is utilized for async drilldown, the
* seriesOptions are not added, but rather loaded async.
* @name Highcharts.DrilldownEventObject#seriesOptions
* @type {Highcharts.SeriesOptionsType|undefined}
*//**
* The event target.
* @name Highcharts.DrilldownEventObject#target
* @type {Highcharts.Chart}
*//**
* The event type.
* @name Highcharts.DrilldownEventObject#type
* @type {"drilldown"}
*/
/**
* This gets fired after all the series have been drilled up. This is especially
* usefull in a chart with multiple drilldown series.
*
* @callback Highcharts.DrillupAllCallbackFunction
*
* @param {Highcharts.Chart} this
* The chart where the event occurs.
*
* @param {Highcharts.DrillupAllEventObject} e
* The final drillup event.
*/
/**
* The event arguments when all the series have been drilled up.
*
* @interface Highcharts.DrillupAllEventObject
*//**
* Prevents the default behaviour of the event.
* @name Highcharts.DrillupAllEventObject#preventDefault
* @type {Function}
*//**
* The event target.
* @name Highcharts.DrillupAllEventObject#target
* @type {Highcharts.Chart}
*//**
* The event type.
* @name Highcharts.DrillupAllEventObject#type
* @type {"drillupall"}
*/
/**
* Gets fired when drilling up from a drilldown series.
*
* @callback Highcharts.DrillupCallbackFunction
*
* @param {Highcharts.Chart} this
* The chart where the event occurs.
*
* @param {Highcharts.DrillupEventObject} e
* The drillup event.
*/
/**
* The event arguments when drilling up from a drilldown series.
*
* @interface Highcharts.DrillupEventObject
*//**
* Prevents the default behaviour of the event.
* @name Highcharts.DrillupEventObject#preventDefault
* @type {Function}
*//**
* Options for the new series.
* @name Highcharts.DrillupEventObject#seriesOptions
* @type {Highcharts.SeriesOptionsType|undefined}
*//**
* The event target.
* @name Highcharts.DrillupEventObject#target
* @type {Highcharts.Chart}
*//**
* The event type.
* @name Highcharts.DrillupEventObject#type
* @type {"drillup"}
*/
import '../Series/LineSeries.js';
import '../Series/ColumnSeries.js';
var seriesTypes = H.seriesTypes,
PieSeries = seriesTypes.pie,
ColumnSeries = seriesTypes.column,
ddSeriesId = 1;
// Add language
extend(
defaultOptions.lang,
/**
* @optionparent lang
*/
{
/**
* The text for the button that appears when drilling down, linking back
* to the parent series. The parent series' name is inserted for
* `{series.name}`.
*
* @since 3.0.8
* @product highcharts highmaps
* @requires modules/drilldown
*
* @private
*/
drillUpText: '◁ Back to {series.name}'
}
);
/**
* Options for drill down, the concept of inspecting increasingly high
* resolution data through clicking on chart items like columns or pie slices.
*
* The drilldown feature requires the drilldown.js file to be loaded,
* found in the modules directory of the download package, or online at
* [code.highcharts.com/modules/drilldown.js
* ](https://code.highcharts.com/modules/drilldown.js).
*
* @product highcharts highmaps
* @requires modules/drilldown
* @optionparent drilldown
*/
defaultOptions.drilldown = {
/**
* When this option is false, clicking a single point will drill down
* all points in the same category, equivalent to clicking the X axis
* label.
*
* @sample {highcharts} highcharts/drilldown/allowpointdrilldown-false/
* Don't allow point drilldown
*
* @type {boolean}
* @default true
* @since 4.1.7
* @product highcharts
* @apioption drilldown.allowPointDrilldown
*/
/**
* An array of series configurations for the drill down. Each series
* configuration uses the same syntax as the [series](#series) option set.
* These drilldown series are hidden by default. The drilldown series is
* linked to the parent series' point by its `id`.
*
* @type {Array<Highcharts.SeriesOptionsType>}
* @since 3.0.8
* @product highcharts highmaps
* @apioption drilldown.series
*/
/**
* Additional styles to apply to the X axis label for a point that
* has drilldown data. By default it is underlined and blue to invite
* to interaction.
*
* In styled mode, active label styles can be set with the
* `.highcharts-drilldown-axis-label` class.
*
* @sample {highcharts} highcharts/drilldown/labels/
* Label styles
*
* @type {Highcharts.CSSObject}
* @default { "cursor": "pointer", "color": "#003399", "fontWeight": "bold", "textDecoration": "underline" }
* @since 3.0.8
* @product highcharts highmaps
*/
activeAxisLabelStyle: {
/** @ignore-option */
cursor: 'pointer',
/** @ignore-option */
color: '${palette.highlightColor100}',
/** @ignore-option */
fontWeight: 'bold',
/** @ignore-option */
textDecoration: 'underline'
},
/**
* Additional styles to apply to the data label of a point that has
* drilldown data. By default it is underlined and blue to invite to
* interaction.
*
* In styled mode, active data label styles can be applied with the
* `.highcharts-drilldown-data-label` class.
*
* @sample {highcharts} highcharts/drilldown/labels/
* Label styles
*
* @type {Highcharts.CSSObject}
* @default { "cursor": "pointer", "color": "#003399", "fontWeight": "bold", "textDecoration": "underline" }
* @since 3.0.8
* @product highcharts highmaps
*/
activeDataLabelStyle: {
cursor: 'pointer',
color: '${palette.highlightColor100}',
fontWeight: 'bold',
textDecoration: 'underline'
},
/**
* Set the animation for all drilldown animations. Animation of a drilldown
* occurs when drilling between a column point and a column series,
* or a pie slice and a full pie series. Drilldown can still be used
* between series and points of different types, but animation will
* not occur.
*
* The animation can either be set as a boolean or a configuration
* object. If `true`, it will use the 'swing' jQuery easing and a duration
* of 500 ms. If used as a configuration object, the following properties
* are supported:
*
* - `duration`: The duration of the animation in milliseconds.
*
* - `easing`: A string reference to an easing function set on the `Math`
* object. See
* [the easing demo](https://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/plotoptions/series-animation-easing/).
*
* @type {boolean|Partial<Highcharts.AnimationOptionsObject>}
* @since 3.0.8
* @product highcharts highmaps
*/
animation: {
/** @internal */
duration: 500
},
/**
* Options for the drill up button that appears when drilling down on a
* series. The text for the button is defined in
* [lang.drillUpText](#lang.drillUpText).
*
* @sample {highcharts} highcharts/drilldown/drillupbutton/
* Drill up button
* @sample {highmaps} highcharts/drilldown/drillupbutton/
* Drill up button
*
* @since 3.0.8
* @product highcharts highmaps
*/
drillUpButton: {
/**
* What box to align the button to. Can be either `plotBox` or
* `spacingBox`.
*
* @type {Highcharts.ButtonRelativeToValue}
* @default plotBox
* @since 3.0.8
* @product highcharts highmaps
* @apioption drilldown.drillUpButton.relativeTo
*/
/**
* A collection of attributes for the button. The object takes SVG
* attributes like `fill`, `stroke`, `stroke-width` or `r`, the border
* radius. The theme also supports `style`, a collection of CSS
* properties for the text. Equivalent attributes for the hover state
* are given in `theme.states.hover`.
*
* In styled mode, drill-up button styles can be applied with the
* `.highcharts-drillup-button` class.
*
* @sample {highcharts} highcharts/drilldown/drillupbutton/
* Button theming
* @sample {highmaps} highcharts/drilldown/drillupbutton/
* Button theming
*
* @type {object}
* @since 3.0.8
* @product highcharts highmaps
* @apioption drilldown.drillUpButton.theme
*/
/**
* Positioning options for the button within the `relativeTo` box.
* Available properties are `x`, `y`, `align` and `verticalAlign`.
*
* @type {Highcharts.AlignObject}
* @since 3.0.8
* @product highcharts highmaps
*/
position: {
/**
* Vertical alignment of the button.
*
* @type {Highcharts.VerticalAlignValue}
* @default top
* @product highcharts highmaps
* @apioption drilldown.drillUpButton.position.verticalAlign
*/
/**
* Horizontal alignment.
*
* @type {Highcharts.AlignValue}
*/
align: 'right',
/**
* The X offset of the button.
*/
x: -10,
/**
* The Y offset of the button.
*/
y: 10
}
}
};
/**
* Fires when a drilldown point is clicked, before the new series is added. This
* event is also utilized for async drilldown, where the seriesOptions are not
* added by option, but rather loaded async. Note that when clicking a category
* label to trigger multiple series drilldown, one `drilldown` event is
* triggered per point in the category.
*
* Event arguments:
*
* - `category`: If a category label was clicked, which index.
*
* - `originalEvent`: The original browser event (usually click) that triggered
* the drilldown.
*
* - `point`: The originating point.
*
* - `points`: If a category label was clicked, this array holds all points
* corresponding to the category.
*
* - `seriesOptions`: Options for the new series.
*
* @sample {highcharts} highcharts/drilldown/async/
* Async drilldown
*
* @type {Highcharts.DrilldownCallbackFunction}
* @since 3.0.8
* @product highcharts highmaps
* @context Highcharts.Chart
* @requires modules/drilldown
* @apioption chart.events.drilldown
*/
/**
* Fires when drilling up from a drilldown series.
*
* @type {Highcharts.DrillupCallbackFunction}
* @since 3.0.8
* @product highcharts highmaps
* @context Highcharts.Chart
* @requires modules/drilldown
* @apioption chart.events.drillup
*/
/**
* In a chart with multiple drilldown series, this event fires after all the
* series have been drilled up.
*
* @type {Highcharts.DrillupAllCallbackFunction}
* @since 4.2.4
* @product highcharts highmaps
* @context Highcharts.Chart
* @requires modules/drilldown
* @apioption chart.events.drillupall
*/
/**
* The `id` of a series in the [drilldown.series](#drilldown.series) array to
* use for a drilldown for this point.
*
* @sample {highcharts} highcharts/drilldown/basic/
* Basic drilldown
* @sample {highcharts} highcharts/demo/organization-drilldown
* Organization chart drilldown
*
* @type {string}
* @since 3.0.8
* @product highcharts
* @requires modules/drilldown
* @apioption series.line.data.drilldown
*/
/**
* A general fadeIn method.
*
* @requires module:modules/drilldown
*
* @function Highcharts.SVGElement#fadeIn
*
* @param {boolean|Partial<Highcharts.AnimationOptionsObject>} [animation]
* The animation options for the element fade.
*/
SVGRenderer.prototype.Element.prototype.fadeIn = function (
animation?: (boolean|Partial<Highcharts.AnimationOptionsObject>)
): void {
this
.attr({
opacity: 0.1,
visibility: 'inherit'
})
.animate({
opacity: pick(this.newOpacity, 1) // newOpacity used in maps
}, animation || {
duration: 250
});
};
/**
* Add a series to the chart as drilldown from a specific point in the parent
* series. This method is used for async drilldown, when clicking a point in a
* series should result in loading and displaying a more high-resolution series.
* When not async, the setup is simpler using the
* [drilldown.series](https://api.highcharts.com/highcharts/drilldown.series)
* options structure.
*
* @sample highcharts/drilldown/async/
* Async drilldown
*
* @function Highcharts.Chart#addSeriesAsDrilldown
*
* @param {Highcharts.Point} point
* The point from which the drilldown will start.
*
* @param {Highcharts.SeriesOptionsType} options
* The series options for the new, detailed series.
*/
Chart.prototype.addSeriesAsDrilldown = function (
point: Point,
options: SeriesOptionsType
): void {
this.addSingleSeriesAsDrilldown(point, options);
this.applyDrilldown();
};
Chart.prototype.addSingleSeriesAsDrilldown = function (
point: Point,
ddOptions: SeriesOptionsType
): void {
var oldSeries = point.series,
xAxis = oldSeries.xAxis,
yAxis = oldSeries.yAxis,
newSeries: Highcharts.Series,
pointIndex: number,
levelSeries: Array<Highcharts.Series> = [],
levelSeriesOptions: Array<Highcharts.SeriesOptions> = [],
level: (Highcharts.DrilldownLevelObject),
levelNumber: number,
last: (Highcharts.DrilldownLevelObject|undefined),
colorProp: Highcharts.SeriesOptions;
colorProp = this.styledMode ?
{ colorIndex: pick(point.colorIndex, oldSeries.colorIndex) } :
{ color: point.color || oldSeries.color };
if (!this.drilldownLevels) {
this.drilldownLevels = [];
}
levelNumber = oldSeries.options._levelNumber || 0;
// See if we can reuse the registered series from last run
last = this.drilldownLevels[this.drilldownLevels.length - 1];
if (last && last.levelNumber !== levelNumber) {
last = void 0;
}
ddOptions = extend(extend<Highcharts.SeriesOptions>({
_ddSeriesId: ddSeriesId++
}, colorProp), ddOptions);
pointIndex = oldSeries.points.indexOf(point);
// Record options for all current series
oldSeries.chart.series.forEach(function (series: Highcharts.Series): void {
if (series.xAxis === xAxis && !series.isDrilling) {
series.options._ddSeriesId =
series.options._ddSeriesId || ddSeriesId++;
series.options._colorIndex = series.userOptions._colorIndex;
series.options._levelNumber =
series.options._levelNumber || levelNumber; // #3182
if (last) {
levelSeries = last.levelSeries;
levelSeriesOptions = last.levelSeriesOptions;
} else {
levelSeries.push(series);
// (#10597)
series.purgedOptions = merge<SeriesOptionsType>({
_ddSeriesId: series.options._ddSeriesId,
_levelNumber: series.options._levelNumber,
selected: series.options.selected
}, series.userOptions);
levelSeriesOptions.push(series.purgedOptions);
}
}
});
// Add a record of properties for each drilldown level
level = extend<Highcharts.DrilldownLevelObject>({
levelNumber: levelNumber,
seriesOptions: oldSeries.options,
seriesPurgedOptions: oldSeries.purgedOptions as any,
levelSeriesOptions: levelSeriesOptions,
levelSeries: levelSeries,
shapeArgs: point.shapeArgs,
// no graphic in line series with markers disabled
bBox: point.graphic ? point.graphic.getBBox() : {},
color: point.isNull ?
new Color(colorProp.color).setOpacity(0).get() :
colorProp.color,
lowerSeriesOptions: ddOptions,
pointOptions: (oldSeries.options.data as any)[pointIndex],
pointIndex: pointIndex,
oldExtremes: {
xMin: xAxis && xAxis.userMin,
xMax: xAxis && xAxis.userMax,
yMin: yAxis && yAxis.userMin,
yMax: yAxis && yAxis.userMax
},
resetZoomButton: this.resetZoomButton as any
} as any, colorProp);
// Push it to the lookup array
this.drilldownLevels.push(level);
// Reset names to prevent extending (#6704)
if (xAxis && xAxis.names) {
xAxis.names.length = 0;
}
newSeries = level.lowerSeries = this.addSeries(ddOptions, false);
newSeries.options._levelNumber = levelNumber + 1;
if (xAxis) {
xAxis.oldPos = xAxis.pos;
xAxis.userMin = xAxis.userMax = null as any;
yAxis.userMin = yAxis.userMax = null as any;
}
// Run fancy cross-animation on supported and equal types
if (oldSeries.type === newSeries.type) {
newSeries.animate = newSeries.animateDrilldown || (noop as any);
newSeries.options.animation = true;
}
};
Chart.prototype.applyDrilldown = function (): void {
var drilldownLevels = this.drilldownLevels,
levelToRemove: (number|undefined);
if (drilldownLevels && drilldownLevels.length > 0) { // #3352, async loading
levelToRemove = drilldownLevels[drilldownLevels.length - 1].levelNumber;
(this.drilldownLevels as any).forEach(function (
level: Highcharts.DrilldownLevelObject
): void {
if (level.levelNumber === levelToRemove) {
level.levelSeries.forEach(function (
series: Highcharts.Series
): void {
// Not removed, not added as part of a multi-series
// drilldown
if (
series.options &&
series.options._levelNumber === levelToRemove
) {
series.remove(false);
}
});
}
});
}
// We have a reset zoom button. Hide it and detatch it from the chart. It
// is preserved to the layer config above.
if (this.resetZoomButton) {
this.resetZoomButton.hide();
delete this.resetZoomButton;
}
this.pointer.reset();
this.redraw();
this.showDrillUpButton();
fireEvent(this, 'afterDrilldown');
};
Chart.prototype.getDrilldownBackText = function (): (string|undefined) {
var drilldownLevels = this.drilldownLevels,
lastLevel: Highcharts.DrilldownLevelObject;
if (drilldownLevels && drilldownLevels.length > 0) { // #3352, async loading
lastLevel = drilldownLevels[drilldownLevels.length - 1];
(lastLevel as any).series = lastLevel.seriesOptions;
return format((this.options.lang as any).drillUpText, lastLevel);
}
};
Chart.prototype.showDrillUpButton = function (): void {
var chart = this,
backText = this.getDrilldownBackText(),
buttonOptions = (chart.options.drilldown as any).drillUpButton,
attr,
states;
if (!this.drillUpButton) {
attr = buttonOptions.theme;
states = attr && attr.states;
this.drillUpButton = this.renderer.button(
backText as any,
null as any,
null as any,
function (): void {
chart.drillUp();
},
attr,
states && states.hover,
states && states.select
)
.addClass('highcharts-drillup-button')
.attr({
align: buttonOptions.position.align,
zIndex: 7
})
.add()
.align(
buttonOptions.position,
false,
buttonOptions.relativeTo || 'plotBox'
);
} else {
this.drillUpButton.attr({
text: backText
})
.align();
}
};
/**
* When the chart is drilled down to a child series, calling `chart.drillUp()`
* will drill up to the parent series.
*
* @requires modules/drilldown
*
* @function Highcharts.Chart#drillUp
*/
Chart.prototype.drillUp = function (): void {
if (!this.drilldownLevels || this.drilldownLevels.length === 0) {
return;
}
var chart = this,
drilldownLevels = chart.drilldownLevels as any,
levelNumber = drilldownLevels[drilldownLevels.length - 1].levelNumber,
i = drilldownLevels.length,
chartSeries = chart.series,
seriesI: number,
level: Highcharts.DrilldownLevelObject,
oldSeries: Highcharts.Series,
newSeries: (Highcharts.Series|undefined),
oldExtremes: Highcharts.Dictionary<(number|undefined)>,
addSeries = function (seriesOptions: Highcharts.SeriesOptions): void {
var addedSeries;
chartSeries.forEach(function (series: Highcharts.Series): void {
if (series.options._ddSeriesId === seriesOptions._ddSeriesId) {
addedSeries = series;
}
});
addedSeries = addedSeries || chart.addSeries(seriesOptions, false);
if (
addedSeries.type === oldSeries.type &&
addedSeries.animateDrillupTo
) {
addedSeries.animate = addedSeries.animateDrillupTo;
}
if (seriesOptions === level.seriesPurgedOptions) {
newSeries = addedSeries;
}
};
while (i--) {
level = drilldownLevels[i];
if (level.levelNumber === levelNumber) {
drilldownLevels.pop();
// Get the lower series by reference or id
oldSeries = level.lowerSeries;
if (!oldSeries.chart) { // #2786
seriesI = chartSeries.length; // #2919
while (seriesI--) {
if (
chartSeries[seriesI].options.id ===
level.lowerSeriesOptions.id &&
chartSeries[seriesI].options._levelNumber ===
levelNumber + 1
) { // #3867
oldSeries = chartSeries[seriesI];
break;
}
}
}
oldSeries.xData = []; // Overcome problems with minRange (#2898)
level.levelSeriesOptions.forEach(addSeries);
fireEvent(chart, 'drillup', {
seriesOptions: level.seriesPurgedOptions ||
level.seriesOptions
});
if ((newSeries as any).type === oldSeries.type) {
(newSeries as any).drilldownLevel = level;
(newSeries as any).options.animation =
(chart.options.drilldown as any).animation;
if (oldSeries.animateDrillupFrom && oldSeries.chart) { // #2919
oldSeries.animateDrillupFrom(level);
}
}
(newSeries as any).options._levelNumber = levelNumber;
oldSeries.remove(false);
// Reset the zoom level of the upper series
if ((newSeries as any).xAxis) {
oldExtremes = level.oldExtremes;
(newSeries as any).xAxis.setExtremes(
oldExtremes.xMin,
oldExtremes.xMax,
false
);
(newSeries as any).yAxis.setExtremes(
oldExtremes.yMin,
oldExtremes.yMax,
false
);
}
// We have a resetZoomButton tucked away for this level. Attatch
// it to the chart and show it.
if (level.resetZoomButton) {
chart.resetZoomButton = level.resetZoomButton;
chart.resetZoomButton.show();
}
}
}