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[BUGFIX] No longer refer to removed hooks for preview #539

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Jul 28, 2024
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[BUGFIX] No longer refer to removed hooks for preview #539

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12a5fa1
[BUGFIX] No longer refer to removed hooks for preview
sypets Jul 23, 2024
7003407
Update Documentation/PageTsconfig/Mod/WebLayout.rst
froemken Jul 27, 2024
971c1e1
Add hint about EXT:lowlevel
sypets Jul 28, 2024
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16 changes: 10 additions & 6 deletions Documentation/PageTsconfig/Mod/WebLayout.rst
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Expand Up @@ -298,14 +298,18 @@ tt_content.preview

.. note::

This only works, if there is no hook registered for this content type, you may want to check this
section in the :guilabel:`System > Configuration` module:
This only works if the registered preview renderer for the content type
uses Fluid rendering and the rendering is not overridden by using
an event listener for the event :php:`\TYPO3\CMS\Backend\View\Event\PageContentPreviewRenderingEvent`.

.. code-block:: php
:caption: Search for registrations of this hook
Have a look at :php:`\TYPO3\CMS\Backend\Preview\StandardContentPreviewRenderer`
and the various methods for customizing the preview rendering:

$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['cms/layout/class.tx_cms_layout.php']
['tt_content_drawItem']['content_element_xy'];
#. :ref:`Register a preview renderer <t3coreapi:ConfigureCE-Preview>`
#. Register an event listener for :ref:`PageContentPreviewRenderingEvent <t3coreapi:PageContentPreviewRenderingEvent>`

For checking for event listeners, see the list
:guilabel:`System > Configuration > Event Listeners (PSR-14)` (available with installed EXT:lowlevel).


.. _pageweblayoutpreview-example:
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