Events¶
Netgen Layouts dispatches some events in a lifecycle of displaying the page with a resolved layout that you can listen to and act upon.
The following lists all available events.
ngbm.view.build_view¶
Event class: Netgen\BlockManager\Event\CollectViewParametersEvent
This event will be dispatched when the view of a value object is being built. It can be used to inject custom variables into the view before the view is built.
For example, you can use the following to inject a variable into the block view:
public function onBuildView(CollectViewParametersEvent $event)
{
$view = $event->getView();
if (!$view instanceof BlockViewInterface) {
// Do nothing if the view does not belong to a block
return;
}
if ($view->getContext() !== 'default') {
// Do nothing if the view context is not for the frontend
return;
}
$event->addParameter('the_answer', 42);
}
ngbm.view.render_view¶
Event class: Netgen\BlockManager\Event\CollectViewParametersEvent
This event will be dispatched when the view of a value object is being rendered. It can be used to inject custom variables into the view before the view is sent to Twig for rendering.
The example for injecting a variable into the view is the same as with
build_view
event.
ngbm.admin.match¶
Event class: Netgen\Bundle\BlockManagerAdminBundle\Event\AdminMatchEvent
This event will be dispatched when the request is matched as being a Netgen Layouts admin interface request. It is usually used if you want to override the pagelayout of Netgen Layouts admin interface for integrating it in other admin panels.