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<?
namespace Bitrix\UI\EntitySelector;
class ItemCollection implements \IteratorAggregate, \JsonSerializable
{
private $items = [];
private $itemsByEntity = [];
public function __construct()
{
}
public function add(Item $item): bool
{
if ($this->has($item))
{
return false;
}
if (!isset($this->itemsByEntity[$item->getEntityId()]))
{
$this->itemsByEntity[$item->getEntityId()] = [];
}
$this->itemsByEntity[$item->getEntityId()][$item->getId()] = $item;
$this->items[] = $item;
return true;
}
public function get(string $entityId, $itemId): ?Item
{
return $this->itemsByEntity[$entityId][$itemId] ?? null;
}
public function has(Item $item): bool
{
return isset($this->itemsByEntity[$item->getEntityId()][$item->getId()]);
}
public function getAll(): array
{
return $this->items;
}
public function count(): int
{
return count($this->items);
}
public function getEntityItems(string $entityId): array
{
return $this->itemsByEntity[$entityId] ?? [];
}
public function toJsObject(): string
{
$items = $this->toArray();
return \CUtil::phpToJSObject($items, false, false, true);
}
public function toArray(): array
{
return array_map(function(Item $item) {
return $item->toArray();
}, $this->getAll());
}
public function jsonSerialize()
{
return $this->items;
}
public function getIterator(): \ArrayIterator
{
return new \ArrayIterator($this->items);
}
}