IChartWidgetApi

Interface

The main chart API.

This interface can be retrieved by using the following widget (IChartingLibraryWidget) methods:

• chart (IChartingLibraryWidget.chart)
• activeChart (IChartingLibraryWidget.activeChart)

Methods

applyStudyTemplate

Apply a study template to the chart.

Example

widget.activeChart().applyStudyTemplate(template);

Signature

applyStudyTemplate(template: object) => void

Parameters

Name	Type	Description
template	object	A study template object.

Returns

​void

---

availableZOrderOperations

Get an object with operations available for the specified set of entities.

Example

widget.activeChart().availableZOrderOperations([id]);

Signature

availableZOrderOperations(sources: readonly EntityId[]) => AvailableZOrderOperations

Parameters

Name	Type	Description
sources	readonly EntityId[]	An array of entity IDs.

Returns

​AvailableZOrderOperations

---

barTimeToEndOfPeriod

Get the bar time to the end of the period

Signature

barTimeToEndOfPeriod(unixTime: number) => number

Parameters

Name	Type	Description
unixTime	number	date timestamp

Returns

​number

---

bringForward

Move the sources one level up in the Z-order.

Example

widget.activeChart().bringForward([id]);

Signature

bringForward(sources: readonly EntityId[]) => void

Parameters

Name	Type	Description
sources	readonly EntityId[]	An array of source IDs.

Returns

​void

---

bringToFront

Move the sources to the top of the Z-order.

Example

widget.activeChart().bringToFront([id]);

Signature

bringToFront(sources: readonly EntityId[]) => void

Parameters

Name	Type	Description
sources	readonly EntityId[]	An array of source IDs.

Returns

​void

---

canZoomOut

Check if the chart can be zoomed out using the zoomOut method.

Example

if(widget.activeChart().canZoomOut()) {
    widget.activeChart().zoomOut();
};

Signature

canZoomOut() => boolean

Returns

true if the chart can be zoomed out.

​boolean

---

cancelSelectBar

Cancel any active bar selection requests.

Example

widget.activeChart().cancelSelectBar();

Signature

cancelSelectBar() => void

Returns

​void

---

chartType

Returns the main series style type.

console.log(widget.activeChart().chartType());

Signature

chartType() => SeriesType

Returns

​SeriesType

---

clearMarks

Remove marks from the chart.

Example

widget.activeChart().clearMarks();

Signature

clearMarks(marksToClear?: ClearMarksMode) => void

Parameters

Name	Type	Description
marksToClear?	ClearMarksMode	type of marks to clear. If nothing is specified both bar & timescale marks will be removed.

Returns

​void

---

createAnchoredShape

Create a new anchored drawing. Anchored drawings maintain their position when the chart's visible range changes.

Example

widget.createAnchoredShape({ x: 0.1, y: 0.9 }, { shape: 'anchored_text', text: 'Hello, charts!', overrides: { color: 'green' }});

Signature

createAnchoredShape<TOverrides>(position: PositionPercents, options: CreateAnchoredShapeOptions<TOverrides>) => EntityId

Type parameters

Name	Type
TOverrides	extends object

Parameters

Name	Type	Description
position	PositionPercents	Percent-based x and y position of the new drawing, relative to the top left of the chart.
options	CreateAnchoredShapeOptions<TOverrides>	An options object for the new drawing.

Returns

​EntityId

---

createExecutionShape

Creates a new trade execution on the chart.

Example

widget.activeChart().createExecutionShape()
    .setText("@1,320.75 Limit Buy 1")
    .setTooltip("@1,320.75 Limit Buy 1")
    .setTextColor("rgba(0,255,0,0.5)")
    .setArrowColor("#0F0")
    .setDirection("buy")
    .setTime(widget.activeChart().getVisibleRange().from)
    .setPrice(160);

Signature

createExecutionShape(options?: UndoOptions) => IExecutionLineAdapter

Parameters

Name	Type	Description
options?	UndoOptions	Optional undo options.

Returns

An API object for interacting with the execution.

​IExecutionLineAdapter

---

createMultipointShape

Create a new multi point drawing.

Example

const from = Date.now() / 1000 - 500 * 24 * 3600; // 500 days ago
const to = Date.now() / 1000;
widget.activeChart().createMultipointShape(
    [{ time: from, price: 150 }, { time: to, price: 150 }],
    {
        shape: "trend_line",
        lock: true,
        disableSelection: true,
        disableSave: true,
        disableUndo: true,
        text: "text",
    }
);

Signature

createMultipointShape<TOverrides>(points: ShapePoint[], options: CreateMultipointShapeOptions<TOverrides>) => EntityId

Type parameters

Name	Type
TOverrides	extends object

Parameters

Name	Type	Description
points	ShapePoint[]	An array of points that define the drawing.
options	CreateMultipointShapeOptions<TOverrides>	An options object for the new drawing.

Returns

The ID of the new drawing if it was created successfully, or null otherwise.

​EntityId

---

createOrderLine

Create a new trading order on the chart.

Example

widget.activeChart().createOrderLine()
    .setTooltip("Additional order information")
    .setModifyTooltip("Modify order")
    .setCancelTooltip("Cancel order")
    .onMove(function() {
        this.setText("onMove called");
    })
    .onModify("onModify called", function(text) {
        this.setText(text);
    })
    .onCancel("onCancel called", function(text) {
        this.setText(text);
    })
    .setText("STOP: 73.5 (5,64%)")
    .setQuantity("2");

Signature

createOrderLine(options?: UndoOptions) => IOrderLineAdapter

Parameters

Name	Type	Description
options?	UndoOptions	Optional undo options.

Returns

An API object for interacting with the order.

​IOrderLineAdapter

---

createPositionLine

Creates a new trading position on the chart.

Example

widget.chart().createPositionLine()
    .onModify(function() {
        this.setText("onModify called");
    })
    .onReverse("onReverse called", function(text) {
        this.setText(text);
    })
    .onClose("onClose called", function(text) {
        this.setText(text);
    })
    .setText("PROFIT: 71.1 (3.31%)")
    .setTooltip("Additional position information")
    .setProtectTooltip("Protect position")
    .setCloseTooltip("Close position")
    .setReverseTooltip("Reverse position")
    .setQuantity("8.235")
    .setPrice(160)
    .setExtendLeft(false)
    .setLineStyle(0)
    .setLineLength(25);

Signature

createPositionLine(options?: UndoOptions) => IPositionLineAdapter

Parameters

Name	Type	Description
options?	UndoOptions	Optional undo options.

Returns

An API object for interacting with the position.

​IPositionLineAdapter

---

createShape

Create a new single point drawing.

Example

widget.activeChart().createShape({ time: 1514764800 }, { shape: 'vertical_line' });

Signature

createShape<TOverrides>(point: ShapePoint, options: CreateShapeOptions<TOverrides>) => EntityId

Type parameters

Name	Type
TOverrides	extends object

Parameters

Name	Type	Description
point	ShapePoint	A point. The location of the new drawing.
options	CreateShapeOptions<TOverrides>	An options object for the new drawing.

Returns

The ID of the new drawing if it was created successfully, or null otherwise.

​EntityId

---

createStudy

Adds an indicator or a symbol for comparison to the chart. For more information, refer to the Indicators article.

Signature

createStudy<TOverrides>(name: string, forceOverlay?: boolean, lock?: boolean, inputs?: Record<string, StudyInputValue>, overrides?: TOverrides, options?: CreateStudyOptions) => Promise<EntityId>

Type parameters

Name	Type
TOverrides	extends StudyOverrides

Parameters

Name	Type	Description
name	string	name of an indicator as shown in the Indicators widget
forceOverlay?	boolean	forces the Charting Library to place the created indicator on the main pane
lock?	boolean	whether a user will be able to remove/change/hide the indicator or not
inputs?	Record<string, StudyInputValue>	From version v22, it's an object containing named properties from the indicator properties dialog.
overrides?	TOverrides	An object that contains overrides for a new indicator. Note that you should not specify the indicator name. Overrides for built-in indicators are listed in SingleIndicatorOverrides.
options?	CreateStudyOptions	study creation options

Returns

ID of the created study

​Promise<EntityId>

---

createStudyTemplate

Save the current study template to a object.

Example

const options = { saveSymbol: true, saveInterval: true };
const template = widget.activeChart().createStudyTemplate(options);

Signature

createStudyTemplate(options: CreateStudyTemplateOptions) => object

Parameters

Name	Type	Description
options	CreateStudyTemplateOptions	An object of study template options.

Returns

A study template object.

​object

---

crossHairMoved

Get a subscription object for the crosshair moving over the chart.

Example

widget.activeChart().crossHairMoved().subscribe(
    null,
    ({ time, price }) => console.log(time, price)
);

Signature

crossHairMoved() => ISubscription<(params: CrossHairMovedEventParams) => void>

Returns

A subscription object for the crosshair moving over the chart.

​ISubscription<(params: CrossHairMovedEventParams) => void>

---

dataReady

Provide a callback function that will be called when chart data is loaded. If chart data is already loaded when this method is called, the callback is called immediately.

Example

widget.activeChart().dataReady(() => {
    // ...
}

Signature

dataReady(callback: Function) => boolean

Parameters

Name	Type	Description
callback	() => void	A callback function called when chart data is loaded.

Returns

​boolean

---

endOfPeriodToBarTime

Get the end of period to bar time

Signature

endOfPeriodToBarTime(unixTime: number) => number

Parameters

Name	Type	Description
unixTime	number	date timestamp

Returns

​number

---

executeActionById

Execute an action.

Example

// ...
widget.activeChart().executeActionById("undo");
// ...
widget.activeChart().executeActionById("drawingToolbarAction"); // Hides or shows the drawing toolbar
// ...

Signature

executeActionById(actionId: ChartActionId) => void

Parameters

Name	Type	Description
actionId	ChartActionId	An action ID.

Returns

​void

---

exportData

Export the current data from the chart.

Example

// Exports series' data only
widget.activeChart().exportData({ includeTime: false, includedStudies: [] });
// Exports series' data with times
widget.activeChart().exportData({ includedStudies: [] });
// Exports series' data with with user time
widget.activeChart().exportData({ includeTime: false, includeUserTime: true, includedStudies: [] });
// Exports data for the indicator which ID is STUDY_ID
widget.activeChart().exportData({ includeTime: false, includeSeries: false, includedStudies: ['STUDY_ID'] });
// Exports all available data from the chart
widget.activeChart().exportData({ includeUserTime: true });
// Exports series' data before 2018-01-01
widget.activeChart().exportData({ includeTime: false, to: Date.UTC(2018, 0, 1) / 1000 });
// Exports series' data after 2018-01-01
widget.activeChart().exportData({ includeTime: false, from: Date.UTC(2018, 0, 1) / 1000 });
// Exports series' data in the range between 2018-01-01 and 2018-02-01
widget.activeChart().exportData({ includeTime: false, from: Date.UTC(2018, 0, 1) / 1000, to: Date.UTC(2018, 1, 1) / 1000 });
// Exports all displayed data on the chart
widget.activeChart().exportData({ includeDisplayedValues: true });

Signature

exportData(options?: Partial<ExportDataOptions>) => Promise<ExportedData>

Parameters

Name	Type	Description
options?	Partial<ExportDataOptions>	Optional object of options to control the exported data.

Returns

A promise that resolves with the exported data.

​Promise<ExportedData>

---

getAllPanesHeight

Get an array of the heigh of all panes.

Example

console.log(widget.activeChart().getAllPanesHeight());

Signature

getAllPanesHeight() => number[]

Returns

An array of heights.

​number[]

---

getAllShapes

Get an array of IDs and name for all drawings on the chart.

Example

widget.activeChart().getAllShapes().forEach(({ name }) => console.log(name));

Signature

getAllShapes() => EntityInfo[]

Returns

An array of drawing information.

​EntityInfo[]

---

getAllStudies

Get an array of IDs and names for all studies on the chart.

Example

widget.activeChart().getAllStudies().forEach(({ name }) => console.log(name));

Signature

getAllStudies() => EntityInfo[]

Returns

An array of study information.

​EntityInfo[]

---

getCheckableActionState

Get the state of a checkable action.

Example

if (widget.activeChart().getCheckableActionState("drawingToolbarAction")) {
    // ...
};

Signature

getCheckableActionState(actionId: ChartActionId) => boolean

Parameters

Name	Type	Description
actionId	ChartActionId	An action ID.

Returns

true if the action is checked, false otherwise.

​boolean

---

getPanes

Get an array of API objects for interacting with the chart panes.

Example

widget.activeChart().getPanes()[1].moveTo(0);

Signature

getPanes() => IPaneApi[]

Returns

​IPaneApi[]

---

getPriceToBarRatio

Get the chart's price to bar ratio.

Example

console.log(widget.activeChart().getPriceToBarRatio());

Signature

getPriceToBarRatio() => number

Returns

The ratio or null if no ratio is defined.

​number

---

getSeries

Get the main series.

Example

widget.activeChart().getSeries().setVisible(false);

Signature

getSeries() => ISeriesApi

Returns

An API object for interacting with the main series.

​ISeriesApi

---

getShapeById

Get a drawing by ID.

Example

widget.activeChart().getShapeById(id).bringToFront();

Signature

getShapeById(entityId: EntityId) => ILineDataSourceApi

Parameters

Name	Type	Description
entityId	EntityId	A drawing ID.

Returns

An API object for interacting with the drawing.

​ILineDataSourceApi

---

getStudyById

Get a study by ID.

Example

widget.activeChart().getStudyById(id).setVisible(false);

Signature

getStudyById(entityId: EntityId) => IStudyApi

Parameters

Name	Type	Description
entityId	EntityId	The study ID.

Returns

An API object for interacting with the study.

​IStudyApi

---

getTimeScale

Get an API object for interacting with the timescale.

Example

var time = widget.activeChart().getTimeScale().coordinateToTime(100);

Signature

getTimeScale() => ITimeScaleApi

Returns

​ITimeScaleApi

---

getTimezoneApi

Get an API object for interacting with the chart timezone.

Signature

getTimezoneApi() => ITimezoneApi

Returns

​ITimezoneApi

---

getVisibleRange

Get the current visible time range.

Example

console.log(widget.activeChart().getVisibleRange());

Signature

getVisibleRange() => VisibleTimeRange

Returns

​VisibleTimeRange

---

isMaximized

Check if the chart is maximized or not.

Signature

isMaximized() => boolean

Returns

true if maximized, false otherwise.

​boolean

---

isPriceToBarRatioLocked

Get the locked/unlocked state of the chart's price to bar ratio.

Example

console.log(widget.activeChart().isPriceToBarRatioLocked());

Signature

isPriceToBarRatioLocked() => boolean

Returns

​boolean

---

isSelectBarRequested

Check if bar selection mode is active or not.

Example

var isRequested = widget.activeChart().isSelectBarRequested();

Signature

isSelectBarRequested() => boolean

Returns

true if active, false otherwise.

​boolean

---

loadChartTemplate

Load and apply a chart template.

Signature

loadChartTemplate(templateName: string) => Promise<void>

Parameters

Name	Type	Description
templateName	string	The name of the template to load.

Returns

​Promise<void>

---

marketStatus

Get a readonly watched value that can be used to read/subscribe to the state of the chart's market status.

Signature

marketStatus() => IWatchedValueReadonly<MarketStatus>

Returns

​IWatchedValueReadonly<MarketStatus>

---

maximizeChart

Maximize to its full size currently selected chart.

Example

widget.activeChart().maximizeChart();

Signature

maximizeChart() => void

Returns

​void

---

onChartTypeChanged

Get a subscription object for the chart type changing.

Example

widget.activeChart().onChartTypeChanged().subscribe(
    null,
    (chartType) => console.log('The type of chart is changed')
);

Signature

onChartTypeChanged() => ISubscription<(chartType: SeriesType) => void>

Returns

A subscription object for the chart type changing.

​ISubscription<(chartType: SeriesType) => void>

---

onDataLoaded

Get a subscription object for new data being loaded for the chart.

Example

widget.activeChart().onDataLoaded().subscribe(
    null,
    () => console.log('New history bars are loaded'),
    true
);

Signature

onDataLoaded() => ISubscription<() => void>

Returns

A subscription object for new data loaded for the chart.

​ISubscription<() => void>

---

onHoveredSourceChanged

Get a subscription object for the ID of the study or series hovered by the crosshair.

Signature

onHoveredSourceChanged() => ISubscription<(sourceId: EntityId) => void>

Returns

A subscription object for the ID of the study or series hovered by the crosshair. Subscribers will be called with null if there is no study or series hovered.

​ISubscription<(sourceId: EntityId) => void>

---

onIntervalChanged

Get a subscription object for the chart resolution (interval) changing. This method also allows you to track whether the chart's date range is changed. The timeframe argument represents if a user clicks on the time frame toolbar or changes the date range manually. If timeframe is undefined, you can change a date range before data loading starts. To do this, you can specify a time frame value or a certain date range.

Examples

The following code sample specifies a time frame value:

widget.activeChart().onIntervalChanged().subscribe(null, (interval, timeframeObj) =>
    timeframeObj.timeframe = {
        value: "12M",
        type: "period-back"
});

The following code sample specifies a certain date range:

widget.activeChart().onIntervalChanged().subscribe(null, (interval, timeframeObj) =>
    timeframeObj.timeframe = {
        from: new Date('2015-01-01').getTime() / 1000,
        to: new Date('2017-01-01').getTime() / 1000,
        type: "time-range"
    });

Signature

onIntervalChanged() => ISubscription<(interval: ResolutionString, timeFrameParameters: { timeframe?: TimeFrameValue  }) => void>

Returns

A subscription object for the chart interval (resolution) changing.

​ISubscription<(interval: ResolutionString, timeFrameParameters: { timeframe?: TimeFrameValue }) => void>

---

onSymbolChanged

Get a subscription object for the chart symbol changing.

Example

widget.activeChart().onSymbolChanged().subscribe(null, () => console.log('The symbol is changed'));

Signature

onSymbolChanged() => ISubscription<() => void>

Returns

A subscription object for when a symbol is resolved (ie changing resolution, timeframe, currency, etc.)

​ISubscription<() => void>

---

onVisibleRangeChanged

Get a subscription object for the chart's visible range changing.

Example

widget.activeChart().onVisibleRangeChanged().subscribe(
    null,
    ({ from, to }) => console.log(from, to)
);

Signature

onVisibleRangeChanged() => ISubscription<(range: VisibleTimeRange) => void>

Returns

A subscription object for the chart's visible range changing.

​ISubscription<(range: VisibleTimeRange) => void>

---

priceFormatter

Returns the object with 'format' function that you can use to format the prices.

widget.activeChart().priceFormatter().format(123);

Signature

priceFormatter() => INumberFormatter

Returns

​INumberFormatter

---

refreshMarks

Force the chart to re-request all bar marks and timescale marks.

Example

widget.activeChart().refreshMarks();

Signature

refreshMarks() => void

Returns

​void

---

removeAllShapes

Remove all drawings from the chart.

Example

widget.activeChart().removeAllShapes();

Signature

removeAllShapes() => void

Returns

​void

---

removeAllStudies

Remove all studies from the chart.

Example

widget.activeChart().removeAllStudies();

Signature

removeAllStudies() => void

Returns

​void

---

removeEntity

Remove an entity (e.g. drawing or study) from the chart.

Example

widget.activeChart().removeEntity(id);

Signature

removeEntity(entityId: EntityId, options?: UndoOptions) => void

Parameters

Name	Type	Description
entityId	EntityId	The ID of the entity.
options?	UndoOptions	Optional undo options.

Returns

​void

---

requestSelectBar

Switch the chart to bar selection mode.

Example

widget.activeChart().requestSelectBar()
    .then(function(time) {
        console.log('user selects bar with time', time);
    })
    .catch(function() {
        console.log('bar selection was rejected');
    });

Signature

requestSelectBar() => Promise<number>

Returns

A promise that resolves to the timestamp of a bar selected by the user. Rejects if the bar selection was already requested or is cancelled.

​Promise<number>

---

resetData

Force the chart to re-request data. Before calling this function the onResetCacheNeededCallback callback from IDatafeedChartApi.subscribeBars should be called.

Example

widget.activeChart().resetData();

Signature

resetData() => void

Returns

​void

---

resolution

Get the current resolution (interval).

Example

console.log(widget.activeChart().resolution());

Signature

resolution() => ResolutionString

Returns

​ResolutionString

---

restoreChart

Restore to its initial size currently selected chart.

Example

widget.activeChart().restoreChart();

Signature

restoreChart() => void

Returns

​void

---

selection

Get an API object for interacting with the selection.

Example

widget.activeChart().selection().clear();

Signature

selection() => ISelectionApi

Returns

​ISelectionApi

---

sendBackward

Move the sources one level down in the Z-order.

Example

widget.activeChart().sendBackward([id]);

Signature

sendBackward(sources: readonly EntityId[]) => void

Parameters

Name	Type	Description
sources	readonly EntityId[]	An array of source IDs.

Returns

​void

---

sendToBack

Move the group to the bottom of the Z-order.

Example

widget.activeChart().sendToBack([id]);

Signature

sendToBack(entities: readonly EntityId[]) => void

Parameters

Name	Type
entities	readonly EntityId[]

Returns

​void

---

setAllPanesHeight

Set the height for each pane in the order provided.

Example

console.log(widget.activeChart().setAllPanesHeight([250, 400, 200]));

Signature

setAllPanesHeight(heights: readonly number[]) => void

Parameters

Name	Type	Description
heights	readonly number[]	An array of heights.

Returns

​void

---

setChartType

Change the chart's type.

Example

widget.activeChart().setChartType(12); // Specifies the High-low type

Signature

setChartType(type: SeriesType, callback?: Function) => void

Parameters

Name	Type	Description
type	SeriesType	A chart type.
callback?	() => void	An optional callback function. Called when the chart type has changed and data has loaded.

Returns

​void

---

setPriceToBarRatio

Set the chart's price to bar ratio.

Example

widget.activeChart().setPriceToBarRatio(0.4567, { disableUndo: true });

Signature

setPriceToBarRatio(ratio: number, options?: UndoOptions) => void

Parameters

Name	Type	Description
ratio	number	The new price to bar ratio.
options?	UndoOptions	Optional undo options.

Returns

​void

---

setPriceToBarRatioLocked

Lock or unlock the chart's price to bar ratio.

Example

widget.activeChart().setPriceToBarRatioLocked(true, { disableUndo: false });

Signature

setPriceToBarRatioLocked(value: boolean, options?: UndoOptions) => void

Parameters

Name	Type	Description
value	boolean	true to lock, false to unlock.
options?	UndoOptions	Optional undo options.

Returns

​void

---

setResolution

Change the chart's interval (resolution).

Example

widget.activeChart().setResolution('2M');

Note: if you are attempting to change multiple charts (multi-chart layouts) at the same time with multiple setResolution calls then you should set doNotActivateChart option to true.

Signature

setResolution(resolution: ResolutionString, options?: SetResolutionOptions | Function) => void

Parameters

Name	Type	Description
resolution	ResolutionString	A resolution.
options?	SetResolutionOptions | () => void	Optional object of options for the new resolution or optional callback that is called when the data for the new resolution has loaded.

Returns

​void

---

setScrollEnabled

Enable or disable scrolling of the chart.

Example

widget.activeChart().setScrollEnabled(false);

Signature

setScrollEnabled(enabled: boolean) => void

Parameters

Name	Type	Description
enabled	boolean	true to enable scrolling, false to disable.

Returns

​void

---

setSymbol

Change the chart's symbol.

Example

widget.activeChart().setSymbol('IBM');

Note: if you are attempting to change multiple charts (multi-chart layouts) at the same time with multiple setSymbol calls then you should set doNotActivateChart option to true.

Signature

setSymbol(symbol: string, options?: SetSymbolOptions | Function) => void

Parameters

Name	Type	Description
symbol	string	A symbol.
options?	SetSymbolOptions | () => void	Optional object of options for the new symbol or optional callback that is called when the data for the new symbol has loaded.

Returns

​void

---

setTimeFrame

Set the time frame for this chart.

Note: This action will set this chart as active in a multi-chart layout.

Example To apply the '1Y' timeframe:

tvWidget.setTimeFrame({
  val: { type: 'period-back', value: '12M' },
  res: '1W',
});

Signature

setTimeFrame(timeFrame: RangeOptions) => void

Parameters

Name	Type	Description
timeFrame	RangeOptions	Object specifying the range and resolution to be applied

Returns

​void

---

setVisibleRange

Scroll and/or scale the chart so a time range is visible.

Example

widget.activeChart().setVisibleRange(
    { from: 1420156800, to: 1451433600 },
    { percentRightMargin: 20 }
).then(() => console.log('New visible range is applied'));

Signature

setVisibleRange(range: SetVisibleTimeRange, options?: SetVisibleRangeOptions) => Promise<void>

Parameters

Name	Type	Description
range	SetVisibleTimeRange	A range that will be made visible.
options?	SetVisibleRangeOptions	Optional object of options for the new visible range.

Returns

A promise that is resolved when the range has been set.

​Promise<void>

---

setZoomEnabled

Enable or disable zooming of the chart.

Example

widget.activeChart().setZoomEnabled(false);

Signature

setZoomEnabled(enabled: boolean) => void

Parameters

Name	Type	Description
enabled	boolean	true to enable zooming, false to disable.

Returns

​void

---

shapesGroupController

Get an API object for interacting with groups of drawings.

Example

widget.activeChart().shapesGroupController().createGroupFromSelection();

Signature

shapesGroupController() => IShapesGroupControllerApi

Returns

​IShapesGroupControllerApi

---

showPropertiesDialog

Show the properties dialog for a study or drawing.

Example

const chart = widget.activeChart();
chart.showPropertiesDialog(chart.getAllShapes()[0].id);`

Signature

showPropertiesDialog(studyId: EntityId) => void

Parameters

Name	Type	Description
studyId	EntityId	An ID of the study or drawing.

Returns

​void

---

symbol

Get the name of the current symbol.

Example

console.log(widget.activeChart().symbol());

Signature

symbol() => string

Returns

​string

---

symbolExt

Get an extended information object for the current symbol.

Example

console.log(widget.activeChart().symbolExt().full_name);

Signature

symbolExt() => SymbolExt

Returns

​SymbolExt

---

zoomOut

Zoom out. The method has the same effect as clicking on the "Zoom out" button.

Signature

zoomOut() => void

Returns

​void