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<?php
namespace Bitrix\Main\Grid\Panel\Action;
use Bitrix\Main\Filter\Filter;
use Bitrix\Main\Grid\Panel\Action\Group\GroupChildAction;
use Bitrix\Main\Grid\Panel\Actions;
use Bitrix\Main\Grid\Panel\Types;
use Bitrix\Main\HttpRequest;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Result;
abstract class GroupAction implements Action
{
/**
* @var GroupChildAction[]
*/
private array $items;
/**
* @inheritDoc
*
* @return string
*/
final public static function getId(): string
{
return 'group_action';
}
/**
* @return GroupChildAction[]
*/
abstract protected function prepareChildItems(): array;
/**
* Group child items.
*
* @return GroupChildAction[]
*/
private function getChildItems(): array
{
$this->items ??= $this->prepareChildItems();
return $this->items;
}
/**
* @inheritDoc
*/
public function getControl(): ?array
{
$items = $this->getGroupDropdownItems();
if (empty($items))
{
return null;
}
return [
'TYPE' => Types::DROPDOWN,
'ID' => static::getId(),
'NAME' => static::getId(),
'ITEMS' => [
[
'NAME' => Loc::getMessage('MAIN_GRID_PANEL_GROUP_ACTIONS_ITEM_PLACEHOLDER'),
'VALUE' => 'default',
'ONCHANGE' => [
[
'ACTION' => Actions::RESET_CONTROLS,
],
],
],
... $items,
],
];
}
/**
* Dropdown with child items.
*
* @return array[]
*/
private function getGroupDropdownItems(): array
{
$result = [];
foreach ($this->getChildItems() as $item)
{
$result[] = $item->getDropdownItem();
}
return $result;
}
/**
* @inheritDoc
*/
final public function processRequest(HttpRequest $request, bool $isSelectedAllRows, ?Filter $filter): ?Result
{
$controls = $request->getPost('controls');
$itemId = (string)($controls[static::getId()] ?? '');
if (empty($itemId))
{
return null;
}
foreach ($this->getChildItems() as $item)
{
if ($item::getId() === $itemId)
{
return $item->processRequest($request, $isSelectedAllRows, $filter);
}
}
return null;
}
}