default_tree.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_templates
 *
 * @copyright   Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\CMS\Router\Route;

ksort($this->files, SORT_NATURAL);
?>

<ul class="directory-tree treeselect">
	<?php foreach ($this->files as $key => $value) : ?>
		<?php if (is_array($value)) : ?>
			<?php
			$keyArray  = explode('/', $key);
			$fileArray = explode('/', $this->fileName);
			$count     = 0;

			$keyArrayCount = count($keyArray);

			if (count($fileArray) >= $keyArrayCount)
			{
				for ($i = 0; $i < $keyArrayCount; $i++)
				{
					if ($keyArray[$i] === $fileArray[$i])
					{
						$count++;
					}
				}

				if ($count === $keyArrayCount)
				{
					$class = 'folder show';
				}
				else
				{
					$class = 'folder';
				}
			}
			else
			{
				$class = 'folder';
			}

			?>
			<li class="<?php echo $class; ?> has-subtree">
				<a class="folder-url" href="javascript:void(0);">
					<span class="icon-folder-2" aria-hidden="true"></span>
					<span class="folder-name">&nbsp;<?php $explodeArray = explode('/', $key); echo $this->escape(end($explodeArray)); ?></span>
				</a>
				<?php echo $this->directoryTree($value); ?>
			</li>
		<?php endif; ?>
		<?php if (is_object($value)) : ?>
			<li class="has-subtree">
				<a class="file" href='<?php echo Route::_('index.php?option=com_templates&view=template&id=' . $this->id . '&file=' . $value->id); ?>'>
					<span class="icon-file" aria-hidden="true"></span>&nbsp;<?php echo $this->escape($value->name); ?>
				</a>
			</li>
		<?php endif; ?>
	<?php endforeach; ?>
</ul>