protected function initialize()
{
if ($this->initialized) {
return;
}
$items = $this->items;
// Handle search
if (isset($this->searchExpression)) {
$searchCallback = $this->buildExpressionCallback($this->searchExpression);
$items = array_filter($items, $searchCallback);
}
// Handle filters
if (isset($this->filterExpression)) {
$filterCallback = $this->buildExpressionCallback($this->filterExpression);
$items = array_filter($items, $filterCallback);
}
// @TODO Handle sort
// Handle pagination
if (isset($this->limitPerPage)) {
$paginator = new ArrayPaginator($items);
$paginator->setLimitPerPage($this->limitPerPage)->setRangeLimit($this->rangeLimit)->setPage($this->page);
$this->iterator = $paginator->getIterator();
$this->paginator = $paginator;
} else {
$this->iterator = new \ArrayIterator($items);
$this->paginator = null;
}
$this->initialized = true;
}
/**
* Test the IteratorAggregate implementation
*
*/
public function testIteration()
{
$items = $this->buildItems(20);
$eleventhItem = $items[10];
$paginator = new ArrayPaginator($items);
$paginator->setLimitPerPage(10);
$paginator->setPage(2);
foreach ($paginator as $item) {
break;
}
$this->assertEquals($eleventhItem, $item);
}