typo3,backend,extbase,typo3-6.2.x,typo3-extensions , How can I render preview of FE plugin diplayed in Page module


How can I render preview of FE plugin diplayed in Page module

Question:

Tag: typo3,backend,extbase,typo3-6.2.x,typo3-extensions

I have developed TYPO3 (6.2) extensions with some FE plugins.

I need to change informations about plugin, which is displayed in the backend on page view.

Now only Title and name of plugin is displayed ...

I have used flexforms for configure the plugin and I would like to show some of configuration on the plugin "placeholder" in the backend.

I remember, I read some documentation how to do it a few years ago, but I can't find it anymore...

Does anyone know the right way to do it?


Answer:

If I understood well you are asking for ContentElement preview. You need to use cms/layout/class.tx_cms_layout.php hook for this, here's quite nice gist

just two additions:

  1. don't use t3lib_extMgm class it's removed since 7.x you can register this hook just with:

    $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['cms/layout/class.tx_cms_layout.php']['tt_content_drawItem'][$_EXTKEY] 
    =  'EXT:your_ext/Classes/Hooks/PageLayoutView.php:\Vendor\YourExt\Hooks\PageLayoutView';
    
  2. Depending on how did you register the plugin (didn't mention) you can also need to check the $row['list_type'] as your $row['CType'] may be just generic list.

Sample class with value from FlexForm field

<?php

namespace Vendor\YourExt\Hooks;

class PageLayoutView implements \TYPO3\CMS\Backend\View\PageLayoutViewDrawItemHookInterface {

    public function preProcess(\TYPO3\CMS\Backend\View\PageLayoutView &$parentObject, &$drawItem, &$headerContent, &$itemContent, array &$row) {
        if ($row['CType'] == 'list' && $row['list_type'] == 'yourext_yourplugin') {

            $drawItem = false;

            $linkStart = '<a href="#" onclick="window.location.href=\'../../../alt_doc.php?returnUrl=%2Ftypo3%2Fsysext%2Fcms%2Flayout%2Fdb_layout.php%3Fid%3D' . $row['pid'] . '&amp;edit[tt_content][' . $row['uid'] . ']=edit\'; return false;" title="Edit">';
            $linkEnd = '</a>';


            $headerContent = 
                $linkStart . 
                "<strong>Selected slides</strong>" .
                $linkEnd;


            $ffXml = \TYPO3\CMS\Core\Utility\GeneralUtility::xml2array($row['pi_flexform']);

            $itemContent =
                $linkStart .
                $ffXml['data']['sDEF']['lDEF']['settings.myFlexField']['vDEF'] .
                $linkEnd;
        }
    }
}

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