GBC 1.00
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class LayoutEngineBase view source

Definition of Layout Engine This is an advanced class, be careful while using it

Constructor

new LayoutEngineBase(widget : WidgetBase)

Parameters

widget WidgetBase Owner widget
Instance members

emit(type : string, arguments… : any)
[inherits from EventListener]

Emit an event

Parameters

type string event type to emit
arguments any arguments (excluding type) will be set in event.data

isDestroyed() : (boolean)
[inherits from EventListener]

Returns if the node is destroyed

Returns

(boolean) true if node is destroyed

when(type : string, handler : Hook, once : boolean) : (HandleRegistration)
[inherits from EventListener]

Registers a handler for this event type

Parameters

type string event type (e.g. "attribute changed")
handler Hook handler to trigger when the event type is emitted
once boolean if true, will only fire once

Returns

(HandleRegistration) a registration handle (for unbind purpose)