OK. Yes, that is possible. Like I said —> itemsProcFunc.
Go into your tca, to the select field.
'renderType' => 'selectSingle',
'foreign_table' => 'tx_cvfoobar_domain_model_kunde',
'itemsProcFunc' => ‚Foobar\CvFoobar\Tca\SelectProcFunc->prepareItems',
class SelectProcFunc
{
public function prepareItems($param) {
$newItems = [];
foreach ($param['items'] as $item) {
$newItem = [
0 => 'Enter your label',
1 => 'enter_your_value'
];
$newItems[] = $newItem;
}
$param['items'] = $newItems;
return $param;
}
}
Just as a quick example. That inserts only static values and labels.
To get more information from related Kunde record, you need to make an instance
of the repository and load the record by uid.
You need to allow string inserts, if kundeuid is just a string.
BUT: This is not a very safe solution. You write the values into the database.
What happens, if a user changes the kundeuid in one of the records? The
relation is broken, as the value has been written into the database.
Also, for db queries, you need to compare strings. You also need to evaluate,
that kundeuid is unique (if needed).
What is your target? Do you want to group records by that attribute „kundeuid“?
If so, you should better add another model „Kundengruppe“ with m:n relations to
Appliance and Kunde. This also would make db queries more easy, as you can
build queries from both sides and get your Appliance by Kundengruppe and also
your Kunden by Kundengruppe.
Mikel
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