/**
* Return the total number of items in the query result
*
* @return int
*/
public function count()
{
if ($this->count === null) {
$this->count = $this->query->count();
}
return $this->count;
}
/**
* Render this paginator
*/
public function render()
{
if ($this->query === null) {
throw new ProgrammingError('Need a query to create the paginator widget for');
}
$itemCountPerPage = $this->query->getLimit();
if (!$itemCountPerPage) {
return '';
// No pagination required
}
$totalItemCount = count($this->query);
$pageCount = (int) ceil($totalItemCount / $itemCountPerPage);
$currentPage = $this->query->hasOffset() ? $this->query->getOffset() / $itemCountPerPage + 1 : 1;
$pagesInRange = $this->getPages($pageCount, $currentPage);
$variables = array('totalItemCount' => $totalItemCount, 'pageCount' => $pageCount, 'itemCountPerPage' => $itemCountPerPage, 'first' => 1, 'current' => $currentPage, 'last' => $pageCount, 'pagesInRange' => $pagesInRange, 'firstPageInRange' => min($pagesInRange), 'lastPageInRange' => max($pagesInRange));
if ($currentPage > 1) {
$variables['previous'] = $currentPage - 1;
}
if ($currentPage < $pageCount) {
$variables['next'] = $currentPage + 1;
}
if (is_array($this->viewScript)) {
if ($this->viewScript[1] !== null) {
return $this->view()->partial($this->viewScript[0], $this->viewScript[1], $variables);
}
return $this->view()->partial($this->viewScript[0], $variables);
}
return $this->view()->partial($this->viewScript, $variables);
}
/**
* Apply the given page limit and number on the given query and setup a paginator for it
*
* The $itemsPerPage and $pageNumber parameters are only applied if not available in the current request.
* The paginator is set on the `paginator' view property only if the current view has not been requested as compact.
*
* @param QueryInterface $query The query to create a paginator for
* @param int $itemsPerPage Default number of items per page
* @param int $pageNumber Default page number
*
* @return $this
*/
protected function setupPaginationControl(QueryInterface $query, $itemsPerPage = 25, $pageNumber = 0)
{
$request = $this->getRequest();
$limit = $request->getParam('limit', $itemsPerPage);
$page = $request->getParam('page', $pageNumber);
$query->limit($limit, $page > 0 ? ($page - 1) * $limit : 0);
if (!$this->view->compact) {
$paginator = new Paginator();
$paginator->setQuery($query);
$this->view->paginator = $paginator;
}
return $this;
}
/**
* Return the current position of this query's iterator
*
* @return int
*/
public function getIteratorPosition()
{
return $this->query->getIteratorPosition();
}
/**
* Count all results of this query
*
* @return int
*/
public function count()
{
return $this->query->count();
}