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class anychart.core.utils.Interactivity Improve this Doc

Extends: anychart.core.Base

Class is settings for interactivity (like hover, select).

Methods Overview

Specific settings
hoverMode()Hover mode.
selectionMode()Selection mode.
spotRadius()Spot radius.
Events
listen()Adds an event listener.
listenOnce()Adds a single time event listener.
removeAllListeners()Removes all listeners.
unlisten()Removes the listener.
unlistenByKey()Removes the listener by the key.

Methods Description

hoverMode

Gets the current hover mode.

Returns:

anychart.enums.HoverMode - Current hover mode.

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Sets the hover mode.

Params:

Name Type Description
value anychart.enums.HoverMode | string Hover mode.

Returns:

anychart.core.utils.Interactivity - Self instance for method chaining.

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listen

Adds an event listener to an implementing object.

Params:

Name Type Default Description
type string
The event type id.
listener function
Callback method. Function that looks like function(event){ // event.actualTarget - actual event target // event.currentTarget - current event target // event.iterator - event iterator // event.originalEvent - original event // event.point - event point // event.pointIndex - event point index }.
useCapture boolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScope Object
Object in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

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listenOnce

Adds an event listener to an implementing object.

Params:

Name Type Default Description
type string
The event type id.
listener function
Callback method.
useCapture boolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScope Object
Object in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

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removeAllListeners

Removes all listeners from an object. You can also optionally remove listeners of some particular type.

Params:

Name Type Description
type string Type of event to remove, default is to remove all types.

Returns:

number - Number of listeners removed.

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selectionMode

Gets the current selection mode.

Returns:

anychart.enums.SelectionMode - Returns current selection mode.

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Sets the selection mode.

Params:

Name Type Description
value anychart.enums.SelectionMode | string Selection mode.

Returns:

anychart.core.utils.Interactivity - Self instance for method chaining.

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spotRadius

Gets the current spot radius.

Returns:

number - Returns current spot radius.
Sets the spot radius. Size of the area under cursor in pixels for radius hovering.

Params:

Name Type Description
value number Spot radius.

Returns:

anychart.core.utils.Interactivity - Self instance for method chaining.

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unlisten

Removes a listener added using listen() or listenOnce() methods.

Params:

Name Type Default Description
type string
The event type id.
listener function
Callback method.
useCapture boolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScope Object
Object in whose scope to call the listener.

Returns:

boolean - Whether any listener was removed.

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unlistenByKey

Removes an event listener which was added with listen() by the key returned by listen() or listenOnce().

Params:

Name Type Description
key Object The key returned by listen() or listenOnce().

Returns:

boolean - Whether any listener was removed.

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