Class ContainerHeaderCallbackListener

Class ContainerHeaderCallbackListener.

Handler for the header row in parent list mode.

DcGeneral\Contao\Callback\ContainerHeaderCallbackListener

Namespace: DcGeneral\Contao\Callback
Package: DcGeneral\Contao\Callback
Located at Contao/Callback/ContainerHeaderCallbackListener.php

Methods summary
`public`	# `__construct( array\|callable $callback, DcGeneral\DC_General $dcGeneral )` Create a new instance of the listener. Create a new instance of the listener. Parameters `$callback` `array\|callable` $callback The callback to call when invoked. `$dcGeneral` `DcGeneral\DC_General` $dcGeneral The DC_General instance to use in the callback. Overrides `DcGeneral\Contao\Callback\AbstractCallbackListener::__construct()`
`public array`	# `getArgs( DcGeneral\Contao\View\Contao2BackendView\Event\GetParentHeaderEvent $event )` Retrieve the arguments for the callback. Retrieve the arguments for the callback. Parameters `$event` `DcGeneral\Contao\View\Contao2BackendView\Event\GetParentHeaderEvent` $event The event being emitted. Returns `array`
`public`	# `update( DcGeneral\Contao\View\Contao2BackendView\Event\GetParentHeaderEvent $event, array $value )` Update the event with the information returned by the callback. Update the event with the information returned by the callback. Parameters `$event` `DcGeneral\Contao\View\Contao2BackendView\Event\GetParentHeaderEvent` $event The event being emitted. `$value` `array` $value The additional information.

Methods inherited from DcGeneral\Contao\Callback\AbstractReturningCallbackListener
`__invoke()`

Methods inherited from DcGeneral\Contao\Callback\AbstractCallbackListener
`getCallback()`

Properties summary
`protected DcGeneral\DC_General`	`$dcGeneral`		# The DC_General instance. The DC_General instance.

Properties inherited from DcGeneral\Contao\Callback\AbstractCallbackListener
`$callback`