TableViewControlPagination.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\Implementation\Component\Table;
 
use ILIAS\UI\Implementation\Component\Input\ViewControl\Pagination;
use ILIAS\UI\Implementation\Component\Input\ViewControl;
use ILIAS\Data\Range;
 
trait TableViewControlPagination
{
    protected int $number_of_rows = 800;
    protected ?Range $range = null;
 
    protected function initViewControlpagination(): void
    {
        $this->range = $this->getRange();
    }
 
    protected function getViewControlPagination(?int $total_count = null): ViewControl\Pagination|ViewControl\Group
    {
        $smallest_option = current(Pagination::DEFAULT_LIMITS);
        if (is_null($total_count) || $total_count >= $smallest_option) {
            $range = $this->getRange();
            return
                $this->view_control_factory->pagination()
                    ->withTotalCount($total_count)
                    ->withValue([
                        Pagination::FNAME_OFFSET => $range->getStart(),
                        Pagination::FNAME_LIMIT => $range->getLength()
                    ]);
        }
        return $this->view_control_factory->group([
            $this->view_control_factory->nullControl(),
            $this->view_control_factory->nullControl()
        ]);
    }
 
    public function withRange(?Range $range): self
    {
        $clone = clone $this;
        $clone->range = $range;
        return $clone;
    }
 
    public function getRange(): Range
    {
        return $this->range ?? $this->data_factory->range(0, $this->number_of_rows);
    }
}