Here is a list of supported chart's methods.

Before 1.4 version. You can call these methods using widget object returned to you by widget's constructor.

Since 1.5 version. You can call these methods using chart object returned to you by widget's methods [[chart(index)|Widget-Methods#chart-chartindex]] or [[activeChart()|Widget-Methods#chart-activechart]].

Methods

• Subscribing To Chart Events
  • [[onDataLoaded()|Chart-Methods#ondataloaded]]
  • [[onSymbolChanged()|Chart-Methods#onsymbolchanged]]
  • [[onIntervalChanged()|Chart-Methods#onintervalchanged]]
  • [[dataReady(callback)|Chart-Methods#datareadycallback]]
  • [[crossHairMoved(callback)|Chart-Methods#crosshairmovedcallback]]
• Chart Actions
  • [[setVisibleRange(range, callback)|Chart-Methods#setvisiblerangerange-callback]]
  • [[setSymbol(symbol, callback)|Chart-Methods#setsymbolsymbol-callback]]
  • [[setResolution(resolution, callback)|Chart-Methods#setresolutionresolution-callback]]
  • [[resetData()|Chart-Methods#resetdata]]
  • [[executeActionById(action)|Chart-Methods#executeactionbyidactionid]]
  • [[getCheckableActionState(action)|Chart-Methods#getcheckableactionstateactionid]]
  • [[refreshMarks()|Chart-Methods#refreshmarks]]
  • [[clearMarks()|Chart-Methods#clearmarks]]
  • [[setChartType(type)|Chart-Methods#setcharttypetype]]
  • [[setTimezone(timezone)|Chart-Methods#settimezonetimezone]]
• Studies And Shapes
  • [[getAllShapes()|Chart-Methods#getallshapes]]
  • [[getAllStudies()|Chart-Methods#getallstudies]]
  • [[setEntityVisibility(id, isVisible)|Chart-Methods#setentityvisibilityid-isvisible]] [obsolete]
  • [[createStudy(name, forceOverlay, lock, inputs, callback, overrides, options)|Chart-Methods#createstudyname-forceoverlay-lock-inputs-callback-overrides-options]]
  • [[getStudyById(entityId)|Chart-Methods#getstudybyidentityid]]
  • [[createShape(point, options)|Chart-Methods#createshapepoint-options]]
  • [[createMultipointShape(points, options)|Chart-Methods#createmultipointshapepoints-options]]
  • [[getShapeById(entityId)|Chart-Methods#getshapebyidentityid]]
  • [[removeEntity(entityId)|Chart-Methods#removeentityentityid]]
  • [[removeAllShapes()|Chart-Methods#removeallshapes]]
  • [[removeAllStudies()|Chart-Methods#removeallstudies]]
• Study Templates
  • [[createStudyTemplate(options)|Chart-Methods#createstudytemplateoptions]]
  • [[applyStudyTemplate(template)|Chart-Methods#applystudytemplatetemplate]]
• Trading Primitives
  • [[createOrderLine()|Chart-Methods#createorderlineoptions]]
  • [[createPositionLine()|Chart-Methods#createpositionlineoptions]]
  • [[createExecutionShape()|Chart-Methods#createexecutionshapeoptions]]
• Getters
  • [[symbol()|Chart-Methods#symbol]]
  • [[symbolExt()|Chart-Methods#symbolExt]]
  • [[resolution()|Chart-Methods#resolution]]
  • [[getVisibleRange()|Chart-Methods#getvisiblerange]]
  • [[getVisiblePriceRange()|Chart-Methods#getvisiblepricerange]]
  • [[priceFormatter()|Chart-Methods#priceformatter]]
  • [[chartType()|Chart-Methods#charttype]]

Subscribing To Chart Events

onDataLoaded()

You can subscribe using [[Subscription]] object returned by this function to be notified when new history bars are loaded and unsubscribe from the event.

onSymbolChanged()

You can subscribe using [[Subscription]] object returned by this function to be notified when the symbol is changed and unsubscribe from the event.

onIntervalChanged()

You can subscribe using [[Subscription]] object returned by this function to be notified when the interval is changed and unsubscribe from the event.
When the event is fired it will provide the following arguments:

1. interval: new interval
2. timeframeParameters: object with the only field timeframe. It contains a timeframe if the interval is changed as a result of a user click on a timeframe panel.
   Otherwise timeframe is undefined and you can change it to display a certain range of bars. Valid timeframe is a number with letter D for days and M for months.

Example:

widget.chart().onIntervalChanged().subscribe(null, function(interval, obj) {
    obj.timeframe = "12M";
})

dataReady(callback)

1. callback: function(interval)

The Charting Library will call the callback provided immediately if bars are already loaded or when the bars are received.
The function returns true if bars are already loaded and false otherwise.

crossHairMoved(callback)

Since 1.5 version.

1. callback: function({time, price})

The Charting Library will call the callback every time the crosshair position is changed.

Chart Actions

setVisibleRange(range, callback)

1. range: object, {from to}
   1. from, to: unix timestamps, UTC
2. callback: function(). The Library will call it after it's done with the viewport setup.

Forces the chart to adjust its parameters (scroll, scale) to make the selected time period fit the view port.
Neither from, nor to must not be in future. This method was introduced in version 1.2.

setSymbol(symbol, callback)

1. symbol: string
2. callback: function()

Makes the chart to change its symbol. Callback is called after new symbol's data arrived.

setResolution(resolution, callback)

1. resolution: string. Format is described in another [[article|Resolution]].
2. callback: function()

Makes the chart to change its resolution. Callback is called after new data arrived.

resetData()

Makes the chart to rerequest data from the data feed. Usually you need to call it when chart's data has changed.
Before calling this you should call [[onResetCacheNeededCallback|JS-Api#subscribebarssymbolinfo-resolution-onrealtimecallback-subscriberuid-onresetcacheneededcallback]].

executeActionById(actionId)

since version 1.3

1. actionId: string

Executes an action by its id.

Showing a dialog

chartProperties 
compareOrAdd
scalesProperties
tmzProperties 
paneObjectTree
insertIndicator 
symbolSearch
changeInterval

Other actions

timeScaleReset
chartReset
seriesHide
studyHide 
lineToggleLock
lineHide 
showLeftAxis
showRightAxis
scaleSeriesOnly
drawingToolbarAction
magnetAction
stayInDrawingModeAction
lockDrawingsAction
hideAllDrawingsAction 
hideAllMarks 
showCountdown 
showSeriesLastValue
showSymbolLabelsAction
showStudyLastValue
showStudyPlotNamesAction
undo
redo
takeScreenshot
paneRemoveAllStudiesDrawingTools

Examples:

// < ... >
widget.chart().executeActionById("undo");
// < ... >
widget.chart().executeActionById("drawingToolbarAction"); // hides or shows the drawing toolbar
// < ... >

getCheckableActionState(actionId)

since version 1.7

1. actionId: string

Get checkable action (e.g. lockDrawingsAction, stayInDrawingModeAction, magnetAction) state by its id (see ids of actions above)

refreshMarks()

Calling this method makes the Library to request visible marks once again.

clearMarks()

Calling this method makes the Library to remove all visible marks.

setChartType(type)

1. type: number

Sets the main series style.

STYLE_BARS = 0;
STYLE_CANDLES = 1;
STYLE_LINE = 2;
STYLE_AREA = 3;
STYLE_HEIKEN_ASHI = 8;
STYLE_HOLLOW_CANDLES = 9;

STYLE_RENKO* = 4;
STYLE_KAGI* = 5;
STYLE_PNF* = 6;
STYLE_PB* = 7;

*- :chart: available in Trading Terminal

closePopupsAndDialogs()

Calling this method closes a context menu or a dialog if it is shown.

setTimezone(timezone)

1. timezone: string

See timezone for more information.

Example:

widget.activeChart().setTimezone('Asia/Singapore');

Makes the chart to change its timezone.

Studies And Shapes

getAllShapes()

Returns an array of all created shapes objects. Each object has following fields:

• id: id of a shape
• name: name of a shape

getAllStudies()

Returns an array of all created shapes objects. Each object has following fields:

• id: id of a study
• name: name of a study

setEntityVisibility(id, isVisible)

Sets visibility of an entity with passed id.

Deprecated: Use shape/study API instead (getShapeById/getStudyById). Will be removed in future releases.

createStudy(name, forceOverlay, lock, inputs, callback, overrides, options)

1. name: string, a name of an indicator as you can see it in Indicators widget
2. forceOverlay: forces the Charting Library to place the created study on main pane
3. lock: boolean, shows whether a user will be able to remove/change/hide your study or not
4. inputs: (since version 1.2) an array of study inputs. This array is expected to contain just inputs values in the same order they are printed in study's properties page.
5. callback: function(entityId)
6. overrides: (since version 1.2) an object containing properties you'd like to set for your new study. Note: you should not specify study name: start a property path with a plot name.
7. options: object with the only possible key checkLimit. If it is true study limit dialog will be shown if the limit if exceeded.

Since 1.12 the function returns the result immediately. Callback is kept for compatibility.

Creates a study on the main symbol. Examples:

• createStudy('MACD', false, false, [14, 30, "close", 9])
• createStudy('Moving Average Exponential', false, false, [26])
• createStudy('Stochastic', false, false, [26], null, {"%d.color" : "#FF0000"})
• chart.createStudy('Moving Average', false, false, [26], null, {'Plot.linewidth': 10})

Remark: Compare study has 2 inputs: [dataSource, symbol]. Supported dataSource values: ["close", "high", "low", "open"].

Remark 2: You actually use Overlay study when choose to Add a series on the chart. This study has the single input -- symbol. Here is an example how to add a symbol:

    widget.chart().createStudy('Overlay', false, false, ['AAPL']);

Remark 3: You actually also use Compare study when choose to compare a series. This study has two inputs -- source and symbol. Here is an example how to add a compare series:

    widget.chart().createStudy('Compare', false, false, ["open", 'AAPL']);

getStudyById(entityId)

1. entityId: object. Value that is returned when a study is created via API.

Returns an object with the following methods to interact with a study:

1. isUserEditEnabled() - return true if a user is able to remove/change/hide your shape

2. setUserEditEnabled(enabled) - enables or disables removing/changing/hiding a study by a user

3. getInputsInfo() - returns an information about all inputs. Returned value is an array of objects with the following fields:

   • id - input id of the study
   • name - name of the input
   • type - type of the input
   • localizedName - name of the input translated to the current language

4. getInputValues() - returns values of study inputs. Returned value is an array of objects (StudyInputValue) with the following fields:

   • id - input id of the study
   • value - value of the input

5. setInputValues(inputs) - assigns input values to a study. inputs should be an array with objects of StudyInputValue (see above). It may contain only some of the inputs that you want to change.

6. mergeUp() - merges study up (if can)

7. mergeDown() - merges study down (if can)

8. unmergeUp() - unmerges study up (if can)

9. unmergeDown() - unmerges study down (if can)

createShape(point, options)

1. point: object {time, [price], [channel]}
   1. time: unix time. The only mandatory argument.
   2. price: If you specify price, then your icon will be placed on its level. If you do not, then the icon sticks to bar at respective time.
   3. channel: The price level to stick to is specified by channel argument (open, high, low, close). If no channel is specified, 'open' is a default.
2. options: object {shape, [text], [lock], [overrides]}
   1. shape may be one of the ['arrow_up', 'arrow_down', 'flag', 'vertical_line', 'horizontal_line']. 'flag' is the default value.
   2. text is an optional argument. It's the text that will be assigned to shape if it can contain a text.
   3. lock shows whether a user will be able to remove/change/hide your shape or not.
   4. disableSelection (since 1.3) prevents selecting of the shape
   5. disableSave (since 1.3) prevents saving the shape with a chart
   6. disableUndo (since 1.4) prevents adding of the action to the undo stack
   7. overrides (since 1.2). It is an object containing properties you'd like to set for your new shape.
   8. zOrder (since 1.3) may be one of the [top, bottom]. top puts the line tool on top of all other sources, bottom puts the line tool below all other sources. If it is not specified the line tool is placed above all existing line tools.
   9. showInObjectsTree: true by default. Displays the shape in the Objects Tree dialog.

The function returns entityId - unique id of the shape if creating is success or null otherwise.

This call creates a shape at specified point on main series.

createMultipointShape(points, options)

1. points: an array of objects [{time, [price], [channel]},...]
   1. time: unix time. The only mandatory argument.
   2. price: If you specify price, then your icon will be placed on its level. If you do not, then the icon sticks to bar at respective time.
   3. channel: The price level to stick to is specified by channel argument (open, high, low, close). If no channel is specified, 'open' is a default.
2. options: object {shape, [text], [lock], [overrides]}
   1. shape may be one of the [[identifiers|Shapes and Overrides]]
   2. text is an optional argument. It's the text that will be assigned to shape if it can contain a text.
   3. lock shows whether a user will be able to remove/change/hide your shape or not.
   4. disableSelection (since 1.3) prevents selecting of the shape
   5. disableSave (since 1.3) prevents saving the shape with a chart
   6. disableUndo (since 1.4) prevents adding of the action to the undo stack
   7. overrides. It is an object containing properties you'd like to set for your new shape.
   8. zOrder (since 1.3) may be one of the [top, bottom]. top puts the line tool on top of all other sources, bottom puts the line tool below all other sources. If it is not specified the line tool is placed above all existing line tools.
   9. showInObjectsTree: true by default. Displays the shape in the Objects Tree dialog.

The function returns entityId - unique id of the study if creating is success or null otherwise.

Look [[Shapes and Overrides|Shapes and Overrides]] for more information.

This call creates a shape with specified points on main series.

getShapeById(entityId)

1. entityId: object. Value that is returned when a shape is created via API

Returns an object with the following methods to interact with a shape:

1. isSelectionEnabled() - returns true if the shape cannot be selected by a user
2. setSelectionEnabled(enable) - enables or disables selecting of the shape (see disableSelection option of createMultipointShape)
3. isSavingEnabled() - returns true if the shape is not saved to the chart
4. setSavingEnabled(enable) - enables or disables saving the shape into the chart layout (see disableSave option of createMultipointShape)
5. isShowInObjectsTreeEnabled() - returns true if the shape is displayed in the Objects Tree dialog
6. setShowInObjectsTreeEnabled(enabled) - enables or disables displaying of the shape in the Objects Tree dialog
7. isUserEditEnabled() - returns true if a user can remove/change/hide the shape
8. setUserEditEnabled(enabled) - enables or disables removing/changing/hiding of the shape by a user
9. bringToFront() - raises the line tool on top of all other sources
10. sendToBack() - puts the line tool below all other sources
11. getProperties() - get all properties of the line tool
12. setProperties(properties) - sets properties of the shape. properties should have the same structure as an object from getProperties but it can have only those properties that you want to override.
13. getPoints() - returns points of line tool. Point is an object { price, time }.
14. setPoints(points) - set the new points to line tool. The point format is the same as points argument from createMultipointShape method.

removeEntity(entityId)

1. entityId: object. Value which was returned when the entity (shape of study) was created.

Removes the specified entity.

removeAllShapes()

Removes all shapes (drawings) from the chart.

removeAllStudies()

Removed all studies from the chart.

Study Templates

createStudyTemplate(options)

1. options: object {saveInterval}
2. saveInterval: boolean

Saves the study template to JS object. Charting Library will call your callback and pass the state object as argument. This call is a part of low-level [[save/load API|Saving-and-Loading-Charts]].

applyStudyTemplate(template)

1. template: object

Loads the study template from state object. This call is a part of low-level [[save/load API|Saving-and-Loading-Charts]].

Trading Primitives

createOrderLine(options)

Creates a new order on the chart and returns an API-object which you can use to control the order properties and behavior. It's strongly recommended to read [[this article|Trading-Primitives]] before using this call.

Arguments (since 1.4):
options is an object with one possible key: disableUndo which can be true or false. For compatability reasons the default value is false.

API object methods:

• remove(): Removes the position from the chart. You can’t use API-object after this call.
• onModify(callback) / onModify(data, callback)
• onMove(callback) / onMove(data, callback)

API object has a set of properties listed below. Each property should be used through respective accessors. I.e., if you want to work with Extend Left property, use getExtendLeft() of setExtendLeft() methods.

General properties:

Connection line properties:

Fonts:

Colors:

Example:

widget.chart().createOrderLine()
    .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");

createPositionLine(options)

Creates a new position on the chart and returns an API-object which you can use to control the position properties and behavior. It's strongly recommended to read [[this article|Trading-Primitives]] before using this call.

Arguments (since 1.4):
options is an object with one possible key: disableUndo which can be true or false. For compatability reasons the default value is false.

API object methods:

• remove(): Removes the position from the chart. You can’t use API-object after this call.
• onClose(callback) / onClose(data, callback)
• onModify(callback) / onModify(data, callback)
• onReverse(callback) / onReverse(data, callback)

API object has a set of properties listed below. Each property should be used through respective accessors. I.e., if you want to work with Extend Left property, use getExtendLeft() of setExtendLeft() methods.

General properties:

Connection line properties:

Fonts:

Colors:

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%)")
    .setQuantity("8.235")
    .setPrice(15.5)
    .setExtendLeft(false)
.setLineStyle(0)
.setLineLength(25);

createExecutionShape(options)

Creates a new execution on the chart and returns an API-object which you can use to control the execution properties. It's strongly recommended to read [[this article|Trading-Primitives]] before using this call.

Arguments (since 1.4):
options is an object with one possible key: disableUndo which can be true or false. For compatability reasons the default value is false.

API object has a set of properties listed below. Each property should be used through respective accessors. I.e., if you want to work with Extend Left property, use getExtendLeft() of setExtendLeft() methods.

API object methods:

• remove(): Removes the execution shape from the chart. You can’t use API-object after this call.

General properties:

Fonts:

Colors:

Example:

widget.chart().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(1413559061758)
    .setPrice(15.5);

Getters

symbol()

Returns chart's symbol.

symbolExt()

Returns chart's symbol information object. The object has the following fields:

• symbol: the same as [[symbol()|Chart-Methods#symbol]] method result
• full_name: full symbol name
• exchange: symbol's exchange
• description: symbol's description
• type: symbol's type

resolution()

Returns chart's resolution. Format is described in another [[article|Resolution]].

getVisibleRange()

Returns object {from, to}. from and to are Unit timestamps in the timezone of chart.

getVisiblePriceRange()

Since 1.7

Returns object {from, to}. from and to are boundaries of main series price scale visible range.

priceFormatter()

Returns object with format function that you can use to format prices. Introduced in 1.5.

chartType()

Returns the main series style.

See Also

• [[Widget Methods]]
• [[Customization Overview]]
• [[Widget Constructor]]
• [[Saving and Loading Charts|Saving-and-Loading-Charts]]
• [[Overriding Studies' Defaults|Studies-Overrides]]
• [[Overriding Chart's Defaults|Overrides]]