public function getList(Criteria $criteria = null, array $params = array())
{
$page = array_key_exists('page', $params) ? (int) $params['page'] : 1;
$itemsPerPage = array_key_exists('itemsPerPage', $params) ? (int) $params['itemsPerPage'] : $this->itemsPerPage;
$pageInput = new PageInput($page, $itemsPerPage);
$pageRange = new PageRange($pageInput);
$sorting = array_key_exists('sorting', $params) ? $params['sorting'] : 'created';
$descending = array_key_exists('descending', $params) ? (bool) $params['descending'] : true;
$criteria = $criteria ? $criteria : new Criteria();
$mode = $criteria->getMode() ? $criteria->getMode() : $this->mode;
// criteria
$criteria->setMode($mode);
// get all scribbles
$allScribbles = $this->getDirectory()->load()->getScribbles();
// set sorting
if ($sorting == 'created') {
$allScribbles->sortByCreationDate($descending);
} else {
if ($sorting == 'modified') {
$allScribbles->sortByModificationDate($descending);
} else {
if ($sorting == 'slug') {
$allScribbles->sortBySlug($descending);
}
}
}
// filter and paginate
$filter = new Filter();
$scribbles = $filter->apply($allScribbles, $criteria)->getScribbles();
$paginator = new Paginator($pageRange->setTotalItems($scribbles->count()));
$scribbles = new ScribbleCollection($scribbles->slice($pageRange->getOffset(), $pageRange->getNumItems()));
return new ScribbleListBag($scribbles, $filter, $criteria, $paginator);
}
public function testSecondPge()
{
$currentPage = 2;
$numItemsPerPage = 10;
$currentPageInput = new PageInput($currentPage, $numItemsPerPage);
$pageRange = new PageRange($currentPageInput);
$this->assertSame(10, $pageRange->getNumItems(), 'getNumItems()');
$this->assertSame(10, $pageRange->getOffset(), 'getOffset()');
$this->assertSame(19, $pageRange->getLast(), 'getLast()');
}
public function __construct(PageRange $pageRange)
{
$currentPage = $pageRange->getCurrentPage();
$numItemsPerPage = $pageRange->getNumItems();
$totalItems = $pageRange->getTotalItems();
if (!$totalItems) {
$this->isOutOfBounds = true;
$this->numItemsPerPage = $numItemsPerPage;
return;
}
$isOutOfBounds = $currentPage > ceil($totalItems / $numItemsPerPage);
// pages
$numPages = ceil($totalItems / $numItemsPerPage);
$currentPage = $isOutOfBounds ? 1 : $currentPage;
// go to page 1 if out of bounds
$previousPage = $currentPage == 1 ? $numPages : $currentPage - 1;
// flip around if at the beginning
$nextPage = $currentPage == $numPages ? 1 : $currentPage + 1;
// flip around if at the end
$firstPage = 1;
$lastPage = $numPages;
// num items on current page
if ($currentPage == $numPages && $currentPage > 1) {
$numItemsOnCurrentPage = $totalItems % $numItemsPerPage;
} else {
if ($totalItems < $numItemsPerPage) {
$numItemsOnCurrentPage = $totalItems;
} else {
$numItemsOnCurrentPage = $numItemsPerPage;
}
}
// indices (start at 0)
$offset = ($currentPage - 1) * $numItemsPerPage;
$last = $offset + $numItemsOnCurrentPage - 1;
// items
$firstItemOnCurrentPage = $offset + 1;
$lastItemOnCurrentPage = $last + 1;
// set instance vars
$this->isOutOfBounds = $isOutOfBounds;
$this->totalItems = (int) $totalItems;
$this->numItemsPerPage = (int) $numItemsPerPage;
$this->numItemsOnCurrentPage = (int) $numItemsOnCurrentPage;
$this->firstItemOnCurrentPage = (int) $firstItemOnCurrentPage;
$this->lastItemOnCurrentPage = (int) $lastItemOnCurrentPage;
$this->numPages = (int) $numPages;
$this->currentPage = (int) $currentPage;
$this->previousPage = (int) $previousPage;
$this->nextPage = (int) $nextPage;
$this->firstPage = (int) $firstPage;
$this->lastPage = (int) $lastPage;
$this->offset = (int) $offset;
$this->last = (int) $last;
return $this;
}