在扩展安装 TYPO3 期间向 table 添加行

Adding rows to table during extension installation TYPO3

我正在尝试在安装我自己的扩展程序期间向 table tx_gridelements_backend_layout 添加一些数据行。为此,我在我的扩展目录中使用文件 "ext_tables_static+adt.sql"。

但这只有在我删除 table 并在插入数据之前重新创建它时才有效。但是随后所有可能已经存在的数据都丢失了。那绝对不是我想要的。我只想在现有数据中添加一些行。

我怎样才能做到这一点?

另一个问题是,如果有人清除了 table,他们怎么知道他们必须从 sys_registry table 中删除我的扩展并重新安装它,所以将再次添加所有行吗?

我想有更好的方法来做这样的事情,或者?

因此解决方案是在安装后发出信号扩展管理器。为此,我在 ext_localconf.php 中添加了:

if (TYPO3_MODE === 'BE') {
    $class = 'TYPO3\CMS\Extbase\SignalSlot\Dispatcher';
    $dispatcher = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($class);
    $dispatcher->connect(
    'TYPO3\CMS\Extensionmanager\Service\ExtensionManagementService',
        'hasInstalledExtensions',
        'FalkRoeder\GridelementsFlex\Setup\Setup',
        'addBackendLayouts'
    );
}

和我的 Class FalkRoeder/gridelements_flex/Classes/Setup/Setup.php:

class Setup
{

    protected $layouts = [
       1 => [
           'title'  => 'Flexbox 50 50',
           'config'  => 'backend_layout {\r\n    colCount = 4\r\n    rowCount = 1\r\n    rows {\r\n        1 {\r\n            columns {\r\n                1 {\r\n                    name = links außen\r\n                    colPos = 1\r\n                }\r\n                2 {\r\n                    name = links innen\r\n                    colPos = 2\r\n                }\r\n                3 {\r\n                    name = rechts innen\r\n                    colPos = 3\r\n                }\r\n                4 {\r\n                    name = rechts außen\r\n                    colPos = 4\r\n                }\r\n            }\r\n        }\r\n    }\r\n}\r\n',
           'pi_flexform_ds_file'  => 'typo3conf/ext/gridelements_flex/Configuration/Flexforms/two_column_flex.xml'
       ]
    ];

    public function addBackendLayouts( $extname = null )
    {
        if( $extname !== 'gridelements_flex' ) {
           return;
        }

        foreach ($this->layouts as $layout) {

            list($row) = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('COUNT(*) AS t', 'tx_gridelements_backend_layout', "title = '" . $layout['title'] . "'");
            $count = (int)$row['t'];

            if($count == 0) {
                $GLOBALS['TYPO3_DB']->exec_INSERTquery(
                    'tx_gridelements_backend_layout',
                    $layout
                );
            }
        }

    }
}