MetaModels\DcGeneral\Events\Table\SearchablePages\Subscriber::visibleFilterParams PHP Method

    public function visibleFilterParams(BuildDataDefinitionEvent $event)
    {
        if ($event->getContainer()->getName() !== 'tl_metamodel_searchable_pages') {
            return;
        }
        foreach ($event->getContainer()->getPalettesDefinition()->getPalettes() as $palette) {
            foreach ($palette->getProperties() as $property) {
                if ($property->getName() != 'filterparams') {
                    continue;
                }
                $chain = $property->getVisibleCondition();
                if (!($chain && $chain instanceof PropertyConditionChain && $chain->getConjunction() == PropertyConditionChain::AND_CONJUNCTION)) {
                    $chain = new PropertyConditionChain($chain ?: array(), PropertyConditionChain::AND_CONJUNCTION);
                    $property->setVisibleCondition($chain);
                }
                $chain->addCondition(new NotCondition(new PropertyValueCondition('filter', 0)));
                break;
            }
        }
    }