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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Toolbar;

\defined('_JEXEC') or die;

use Joomla\CMS\Filesystem\Path;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\DI\ContainerAwareInterface;
use Joomla\DI\ContainerAwareTrait;

/**
 * Default factory for creating toolbar objects
 *
 * @since  4.0.0
 */
class ContainerAwareToolbarFactory implements ToolbarFactoryInterface, ContainerAwareInterface
{
	use ContainerAwareTrait;

/**
	 * Creates a new toolbar button.
	 *
	 * @param   Toolbar  $toolbar  The Toolbar instance to attach to the button
	 * @param   string   $type     Button Type
	 *
	 * @return  ToolbarButton
	 *
	 * @since   3.8.0
	 * @throws  \InvalidArgumentException
	 */
	public function createButton(Toolbar $toolbar, string $type): ToolbarButton
	{
		$normalisedType = ucfirst($type);
		$buttonClass    = $this->loadButtonClass($normalisedType);

if (!$buttonClass)
		{
			$dirs = $toolbar->getButtonPath();

$file = InputFilter::getInstance()->clean(str_replace('_', DIRECTORY_SEPARATOR, strtolower($type)) . '.php', 'path');

if ($buttonFile = Path::find($dirs, $file))
			{
				include_once $buttonFile;
			}
			else
			{
				Log::add(Text::sprintf('JLIB_HTML_BUTTON_NO_LOAD', $buttonClass, $buttonFile), Log::WARNING, 'jerror');

throw new \InvalidArgumentException(Text::sprintf('JLIB_HTML_BUTTON_NO_LOAD', $buttonClass, $buttonFile));
			}
		}

if (!class_exists($buttonClass))
		{
			throw new \InvalidArgumentException(sprintf('Class `%1$s` does not exist, could not create a toolbar button.', $buttonClass));
		}

// Check for a possible service from the container otherwise manually instantiate the class
		if ($this->getContainer()->has($buttonClass))
		{
			return $this->getContainer()->get($buttonClass);
		}

/** @var ToolbarButton $button */
		$button = new $buttonClass($normalisedType);

return $button->setParent($toolbar);
	}

/**
	 * Creates a new Toolbar object.
	 *
	 * @param   string  $name  The toolbar name.
	 *
	 * @return  Toolbar
	 *
	 * @since   4.0.0
	 */
	public function createToolbar(string $name = 'toolbar'): Toolbar
	{
		return new Toolbar($name, $this);
	}

/**
	 * Load the button class including the deprecated ones.
	 *
	 * @param   string  $type  Button Type (normalized)
	 *
	 * @return  string|null
	 *
	 * @since   4.0.0
	 */
	private function loadButtonClass(string $type)
	{
		$buttonClasses = [
			'Joomla\\CMS\\Toolbar\\Button\\' . $type . 'Button',
			// @deprecated 5.0
			'JToolbarButton' . $type,
		];

foreach ($buttonClasses as $buttonClass)
		{
			if (!class_exists($buttonClass))
			{
				continue;
			}

return $buttonClass;
		}

return null;
	}
}