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<?php
/**
* @package akeebabackup
* @copyright Copyright (c)2006-2022 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
namespace Akeeba\Backup\Admin\Controller\Mixin;
// Protect from unauthorized access
defined('_JEXEC') || die();
/**
* Force a Controller to allow access to specific tasks only, no matter which tasks are already defined in this
* Controller.
*/
trait PredefinedTaskList
{
/**
* A list of predefined tasks. Trying to access any other task will result in the first task of this list being
* executed instead.
*
* @var array
*/
protected $predefinedTaskList = array();
/**
* Overrides the execute method to implement the predefined task list feature
*
* @param string $task The task to execute
*
* @return mixed The controller task result
*/
public function execute($task)
{
if (!in_array($task, $this->predefinedTaskList))
{
$task = reset($this->predefinedTaskList);
}
return parent::execute($task);
}
/**
* Sets the predefined task list and registers the first task in the list as the Controller's default task
*
* @param array $taskList The task list to register
*/
public function setPredefinedTaskList(array $taskList)
{
// First, unregister all known tasks which are not in the taskList
$allTasks = $this->getTasks();
foreach ($allTasks as $task)
{
if (in_array($task, $taskList))
{
continue;
}
$this->unregisterTask($task);
}
// Set the predefined task list
$this->predefinedTaskList = $taskList;
// Set the default task
$this->registerDefaultTask(reset($this->predefinedTaskList));
}
}