ModifyPageLayoutContentEvent¶

New in version 12.0.

The PSR-14 event \TYPO3\CMS\Backend\Controller\Event\ModifyPageLayoutContentEvent allows to modify page module content.

This event features the methods getRequest(), getModuleTemplate() and additional getters and setters for the header and footer content.

It is possible to add additional content, overwrite existing content or reorder the content.

Example¶

Registration of the event listener in the extension's Services.yaml:

EXT:my_extension/Configuration/Services.yaml¶

services:
  # Place here the default dependency injection configuration

  MyVendor\MyExtension\Backend\EventListener\MyEventListener:
    tags:
      - name: event.listener
        identifier: 'my-extension/backend/modify-page-module-content'

Read how to configure dependency injection in extensions.

The corresponding event listener class:

EXT:my_extension/Classes/Backend/EventListener/MyEventListener.php¶

<?php

declare(strict_types=1);

namespace MyVendor\MyExtension\Backend\EventListener;

use TYPO3\CMS\Backend\Controller\Event\ModifyPageLayoutContentEvent;

final class MyEventListener
{
    public function __invoke(ModifyPageLayoutContentEvent $event): void
    {
        $event->addHeaderContent('Additional header content');

        $event->setFooterContent('Overwrite footer content');
    }
}

API¶

class TYPO3\CMS\Backend\Controller\Event\ModifyPageLayoutContentEvent¶

Listeners to this Event will be able to modify the header and footer content of the page module

getRequest()¶

Return type: Psr\Http\Message\ServerRequestInterface

getModuleTemplate()¶

Return type: TYPO3\CMS\Backend\Template\ModuleTemplate

setHeaderContent(string $content)¶

Set content for the header. Can also be used to e.g. reorder existing content.

IMPORTANT: This overwrites existing content from previous listeners!

Parameters

$content (string) -- the content

addHeaderContent(string $content)¶

Add additional content to the header

Parameters

$content (string) -- the content

getHeaderContent()¶

Return type: string

setFooterContent(string $content)¶

Set content for the footer. Can also be used to e.g. reorder existing content.

IMPORTANT: This overwrites existing content from previous listeners!

Parameters

$content (string) -- the content

addFooterContent(string $content)¶

Add additional content to the footer

Parameters

$content (string) -- the content

getFooterContent()¶

Return type: string

History / Migration¶

The event TYPO3\CMS\Backend\Controller\Event\ModifyPageLayoutContentEvent has been introduced to serve as a more powerful and flexible alternative for the removed hooks $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['cms/layout/db_layout.php']['drawHeaderHook'] and $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['cms/layout/db_layout.php']['drawFooterHook'].

In contrast to the removed hooks, this event does not provide the PageLayoutController as $parentObject, since getModuleTemplate() has been the only public method, which is now directly included in the event.

An example to get the current $id:

EXT:my_extension/Classes/Backend/EventListener/MyEventListener.php¶

public function __invoke(ModifyPageLayoutContentEvent $event): void
{
    $id = (int)($event->getRequest()->getQueryParams()['id'] ?? 0);
}