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<?php
/**
* @package dompdf
* @link https://github.com/dompdf/dompdf
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\FrameDecorator;
use Dompdf\Dompdf;
use Dompdf\Frame;
/**
* Table row group decorator
*
* Overrides split() method for tbody, thead & tfoot elements
*
* @package dompdf
*/
class TableRowGroup extends AbstractFrameDecorator
{
/**
* Class constructor
*
* @param Frame $frame Frame to decorate
* @param Dompdf $dompdf Current dompdf instance
*/
function __construct(Frame $frame, Dompdf $dompdf)
{
parent::__construct($frame, $dompdf);
}
/**
* Split the row group at the given child and remove all subsequent child
* rows and all subsequent row groups from the cellmap.
*/
public function split(?Frame $child = null, bool $page_break = false, bool $forced = false): void
{
if (is_null($child)) {
parent::split($child, $page_break, $forced);
return;
}
// Remove child & all subsequent rows from the cellmap
/** @var Table $parent */
$parent = $this->get_parent();
$cellmap = $parent->get_cellmap();
$iter = $child;
while ($iter) {
$cellmap->remove_row($iter);
$iter = $iter->get_next_sibling();
}
// Remove all subsequent row groups from the cellmap
$iter = $this->get_next_sibling();
while ($iter) {
$cellmap->remove_row_group($iter);
$iter = $iter->get_next_sibling();
}
// If we are splitting at the first child remove the
// table-row-group from the cellmap as well
if ($child === $this->get_first_child()) {
$cellmap->remove_row_group($this);
parent::split(null, $page_break, $forced);
return;
}
$cellmap->update_row_group($this, $child->get_prev_sibling());
parent::split($child, $page_break, $forced);
}
}