kicklangdefault.php

<?php
/**
 * Joomla! System plugin - KickLangDefault
 *
 * @author     KickTemp <[email protected]>
 * @copyright  Copyright 2016 KickTemp
 * @license    GNU Public License
 * @link       http://www.kicktemp.com
 */

// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');

/**
 * A plugin to change the Language Default Value from langauge.xml metadata
 *
 * @since  1.0
 */
class PlgSystemKicklangdefault extends JPlugin
{
	/**
	 * The language object
	 *
	 * @var null
	 * @since  1.0
	 */
	protected $lang = null;

	/**
	 * Load the language file on instantiation.
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	protected $autoloadLanguage = true;

	/**
	 * constructor, used to inject the language class for testing purposes
	 *
	 * @param   object  &$subject  The object to observe
	 * @param   array   $config    An optional associative array of configuration settings.
	 *                             Recognized key values include 'name', 'group', 'params', 'language'
	 *                             (this list is not meant to be comprehensive).
	 *
	 * @since  1.0
	 */
	public function __construct(&$subject, $config = array())
	{
		parent::__construct($subject, $config);

		$this->lang = JFactory::getLanguage();
	}

	/**
	 * Plugin that loads module positions within content
	 *
	 * @param   string  $context   The context of the content being passed to the plugin.
	 * @param   object  &$article  The article object.  Note $article->text is also available
	 *
	 * @return  mixed   true if there is an error. Void otherwise.
	 *
	 * @since   1.6
	 */
	public function onAfterInitialise()
	{
		$language = JFactory::getLanguage();
		$default = $language->get('default', false);

		if($default)
		{
			$language->setDefault($default);
		}
	}
}