[ticket/207] Add links to portal in header and footer

Also added tests for listener.

event/listener.php

@@ -0,0 +1,101 @@
+<?php
+/**
+*
+* @package Board3 Portal v2.1
+* @copyright (c) 2014 Board3 Group ( www.board3.de )
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace board3\portal\event;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class listener implements EventSubscriberInterface
+{
+	/** @var \phpbb\controller\helper */
+	protected $controller_helper;
+
+	/** @var \phpbb\template\template */
+	protected $template;
+
+	/** @var \phpbb\user */
+	protected $user;
+
+	/** @var string phpEx */
+	protected $php_ext;
+
+	/**
+	* Constructor of Board3 Portal event listener
+	*
+	* @param \phpbb\controller\helper	$controller_helper	Controller helper object
+	* @param \phpbb\template\template	$template		Template object
+	* @param \phpbb\user			$user			User object
+	* @param string				$php_ext		phpEx
+	*/
+	public function __construct(\phpbb\controller\helper $controller_helper, \phpbb\template\template $template, \phpbb\user $user, $php_ext)
+	{
+		$this->controller_helper = $controller_helper;
+		$this->template = $template;
+		$this->user = $user;
+		$this->php_ext = $php_ext;
+	}
+
+	/**
+	* Assign functions defined in this class to event listeners in the core
+	*
+	* @return array
+	*/
+	static public function getSubscribedEvents()
+	{
+		return array(
+			'core.user_setup'			=> 'load_portal_language',
+			'core.viewonline_overwrite_location'	=> 'viewonline_page',
+			'core.page_header'			=> 'add_portal_link',
+		);
+	}
+
+	/**
+	* Load portal language during user setup
+	*
+	* @param object $event The event object
+	* @return null
+	*/
+	public function load_portal_language($event)
+	{
+		$lang_set_ext = $event['lang_set_ext'];
+		$lang_set_ext[] = array(
+			'ext_name' => 'board3/portal',
+			'lang_set' => 'portal',
+		);
+		$event['lang_set_ext'] = $lang_set_ext;
+	}
+
+	/**
+	* Show users as viewing the portals on Who Is Online page
+	*
+	* @param object $event The event object
+	* @return null
+	*/
+	public function viewonline_page($event)
+	{
+		if ($event['on_page'][1] == 'app' && strrpos($event['row']['session_page'], 'app.' . $this->php_ext . '/portal') === 0)
+		{
+			$event['location'] = $this->user->lang('VIEWING_PORTAL');
+			$event['location_url'] = $this->controller_helper->route('board3_controller');
+		}
+	}
+
+	/**
+	* Add portal link
+	*
+	* @param object $event The event object
+	* @return null
+	*/
+	public function add_portal_link($event)
+	{
+		$this->template->assign_vars(array(
+			'U_PORTAL'	=> $this->controller_helper->route('board3_controller'),
+		));
+	}
+}