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class anychart.data.TableMapping Improve this Doc

Extends: anychart.core.Base

Table mapping constructor.

Methods Overview

Data
addField()Adds a field to the mapping.
createSelectable()Returns new selectable object for the mapping.
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

addField

Adds a field to the mapping.

Params:

NameTypeDescription
namestringName of the field to add.
columnnumberColumn index, that the field should get values from.
typeanychart.enums.AggregationTypeHow to group values for the field. Defaults to 'close'.
weightsColumnnumberColumn to get weights from for 'weightedAverage' grouping type. If opt_type set to 'weightedAverage', but opt_weightsColumn is not passed - uses 'average' grouping instead.

Returns:

anychart.data.TableMapping - Self instance for method chaining.

createSelectable

Returns new selectable object for the mapping.

Returns:

anychart.data.TableSelectable - Self instance for method chaining.

listen

Adds an event listener to an implementing object.

Params:

NameTypeDefaultDescription
typestring
The event type id.
listenerfunction
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 }.
useCaptureboolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScopeObject
Object in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

listenOnce

Adds an event listener to an implementing object.

Params:

NameTypeDefaultDescription
typestring
The event type id.
listenerfunction
Callback method.
useCaptureboolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScopeObject
Object in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

removeAllListeners

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

Params:

NameTypeDescription
typestringType of event to remove, default is to remove all types.

Returns:

number - Number of listeners removed.

unlisten

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

Params:

NameTypeDefaultDescription
typestring
The event type id.
listenerfunction
Callback method.
useCaptureboolean
false
Whether to fire in capture phase. Learn more about capturing https://javascript.info/bubbling-and-capturing
listenerScopeObject
Object in whose scope to call the listener.

Returns:

boolean - Whether any listener was removed.

unlistenByKey

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

Params:

NameTypeDescription
keyObjectThe key returned by listen() or listenOnce().

Returns:

boolean - Whether any listener was removed.