AnyChart
API Reference
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class anychart.core.VisualBase Improve this Doc

Extends: anychart.core.Base

Base class for all elements.

Methods Overview

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.
Export
print()Prints all elements.
Interactivity
enabled()Element state (enabled or disabled).
Size and Position
zIndex()Z-index of the element.

Methods Description

enabled

Getter for the current element state (enabled or disabled).

Returns:

boolean - The current element state.
Setter for the element enabled state.

Params:

NameTypeDefaultDescription
valueboolean
true
Value to set.

Returns:

anychart.core.VisualBase - Self instance for method chaining.
Example.
if (!element.enabled())
   element.enabled(true);

listen

Adds an event listener to an implementing object.

Params:

NameTypeDescription
typestringThe event type id.
listenerfunctionCallback 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 }.
useCapturebooleanWhether to fire in capture phase (defaults to false).
listenerScopescopeObject in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

listenOnce

Adds an event listener to an implementing object.

Params:

NameTypeDescription
typestringThe event type id.
listenerfunctionCallback method.
useCapturebooleanWhether to fire in capture phase (defaults to false).
listenerScopescopeObject in whose scope to call the listener.

Returns:

Object - Unique key for the listener.

print

Prints all elements on related stage.

Params:

NameTypeDefaultDescription
paperSizeanychart.graphics.vector.PaperSize
Paper size.
landscapeboolean
false
Flag of landscape.

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:

NameTypeDescription
typestringThe event type id.
listenerfunctionCallback method.
useCapturebooleanWhether to fire in capture phase (defaults to false).
listenerScopescopeObject 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.

zIndex

Getter for the current Z-index of the element.

Returns:

number - The current zIndex.
Setter for the Z-index of the element.

Params:

NameTypeDefaultDescription
valuenumber
0
Value to set.

Returns:

anychart.core.VisualBase - Self instance for method chaining.