Language.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Dashboard\DataRetrieval;
 
use Generator;
use ILIAS\Data\Order;
use ILIAS\Data\Range;
use ILIAS\UI\Component\Table\DataRetrieval;
use ILIAS\UI\Component\Table\DataRowBuilder;
use ilLanguage;
use ilObjLanguage;
 
class Language implements DataRetrieval
{
    protected ilLanguage $lng;
 
    public function __construct()
    {
        global $DIC;
        $this->lng = $DIC->language();
    }
    public function getRows(
        DataRowBuilder $row_builder,
        array $visible_column_ids,
        Range $range,
        Order $order,
        mixed $additional_viewcontrol_data,
        mixed $filter_data,
        mixed $additional_parameters
    ): Generator {
        foreach (array_slice($this->lng->getInstalledLanguages(), $range->getStart(), $range->getLength()) as $key) {
            $title = $this->lng->txt('meta_l_' . $key);
            if ($key === $this->lng->getDefaultLanguage()) {
                $title .= ' (' . $this->lng->txt('system_language') . ')';
            }
            yield $row_builder->buildDataRow($key, [
                'name' => $title,
                'user_count' => ilObjLanguage::countUsers($key)
            ]);
        }
    }
 
    public function getTotalRowCount(
        mixed $additional_viewcontrol_data,
        mixed $filter_data,
        mixed $additional_parameters
    ): ?int {
        return count($this->lng->getInstalledLanguages());
    }
}