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feat: add backend image thumbnail column

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This commit is contained in:
Jürgen Mummert
2026-04-01 12:57:06 +02:00
parent b46e4a563c
commit bd54d74151
2 changed files with 33 additions and 3 deletions
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contao/dca/tl_pinnwand.php
+31 -2
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@@ -4,7 +4,9 @@ declare(strict_types=1);
use Contao\DataContainer;
use Contao\Database;
use Contao\FilesModel;
use Contao\Input;
use Contao\System;
$GLOBALS['TL_DCA']['tl_pinnwand'] = [
'config' => [
@@ -26,7 +28,7 @@ $GLOBALS['TL_DCA']['tl_pinnwand'] = [
'panelLayout' => 'filter;sort,search,limit',
],
'label' => [
'fields' => ['ueberschrift', 'dateAdded', 'dateModified'],
'fields' => ['bild', 'ueberschrift', 'dateAdded', 'dateModified'],
'showColumns' => true,
],
'global_operations' => [
@@ -132,6 +134,7 @@ $GLOBALS['TL_DCA']['tl_pinnwand'] = [
'filter' => true,
'toggle' => true,
'inputType' => 'checkbox',
'default' => '1',
'eval' => ['doNotCopy' => true, 'tl_class' => 'w50 m12'],
'sql' => "char(1) NOT NULL default ''",
],
@@ -203,8 +206,34 @@ $GLOBALS['TL_DCA']['tl_pinnwand']['fields']['bild']['save_callback'][] = static
}
if ('image' === $contentType && empty($value)) {
throw new \RuntimeException($GLOBALS['TL_LANG']['ERR']['mandatory'] ?? 'Dieses Feld darf nicht leer sein.');
throw new \RuntimeException($GLOBALS['TL_LANG']['tl_pinnwand']['imageRequired'] ?? 'Bitte wählen Sie ein Bild für den Pinnwandeintrag aus.');
}
return $value;
};
$GLOBALS['TL_DCA']['tl_pinnwand']['list']['label']['label_callback'] = static function (array $row, string $label, DataContainer $dc, array $args): array {
$args[0] = '';
if (empty($row['bild'])) {
return $args;
}
$fileModel = FilesModel::findByUuid($row['bild']);
if (null === $fileModel) {
return $args;
}
$staticUrl = (string) System::getContainer()->get('contao.assets.files_context')->getStaticUrl();
$src = $staticUrl . System::urlEncode($fileModel->path);
$alt = htmlspecialchars((string) ($row['ueberschrift'] ?: 'Pinnwandbild'), \ENT_QUOTES | \ENT_SUBSTITUTE, 'UTF-8');
$args[0] = sprintf(
'<img src="%s" alt="%s" style="max-width:64px;max-height:64px;width:auto;height:auto;display:block;" loading="lazy">',
$src,
$alt
);
return $args;
};