EVOLUTION-MANAGER

Edit File: 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;
ksort($this->files, SORT_STRING);
?>

<ul class='nav nav-list directory-tree'>
	<?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; ?>">
				<a class='folder-url nowrap' href=''>
					<span class='icon-folder-close'>&nbsp;<?php $explodeArray = explode('/', $key); echo end($explodeArray); ?></span>
				</a>
				<?php echo $this->directoryTree($value); ?>
			</li>
		<?php endif; ?>
		<?php if (is_object($value)): ?>
			<li>
				<a class="file nowrap" href='<?php echo JRoute::_('index.php?option=com_templates&view=template&id=' . $this->id . '&file=' . $value->id) ?>'>
					<span class='icon-file'>&nbsp;<?php echo $value->name; ?></span>
				</a>
			</li>
		<?php endif; ?>
	<?php endforeach; ?>
</ul>