<?php
namespace Jaxon\App;
use Jaxon\App\Pagination\Paginator;
abstract class PageComponent extends NodeComponent
{
/**
* The current page number.
*
* @var int
*/
private int $currentPage = 1;
/**
* Get the total number of items to paginate.
*
* @return int
*/
abstract protected function count(): int;
/**
* Get the max number of items per page.
*
* @return int
*/
abstract protected function limit(): int;
/**
* Get the paginator for the component.
*
* @param int $pageNumber
*
* @return Paginator
*/
protected function paginator(int $pageNumber): Paginator
{
return $this->cl(Component\Pagination::class)
// Use the js class name as component item identifier.
->item($this->rq()->_class())
->paginator($pageNumber > 0 ? $pageNumber : 1, $this->limit(), $this->count())
// This callback will receive the final value of the current page number.
->page(function(int $currentPage) {
$this->currentPage = $currentPage;
});
}
/**
* Get the current page number
*
* @return int
*/
protected function currentPage(): int
{
return $this->currentPage;
}
}
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