Add setting

Author: Pico

event/listener.php

@@ -47,7 +47,9 @@ public function __construct(\phpbb\config\config $config, \phpbb\template\templa
 	static public function getSubscribedEvents()
 	{
 		return array(
-			'core.page_header'	=> 'load_google_analytics',
+			'core.page_header'					=> 'load_google_analytics',
+			'core.acp_board_config_edit_add'	=> 'add_googleanalytics_configs',
+			'core.validate_config_variable'		=> 'validate_googleanalytics_id',
 		);
 	}
 
@@ -62,4 +64,73 @@ public function load_google_analytics($event)
 	{
 		$this->template->assign_var('GOOGLEANALYTICS_ID', $this->config['googleanalytics_id']);
 	}
+
+	/**
+	* Add config vars to ACP Board Settings
+	*
+	* @param object $event The event object
+	* @return null
+	* @access public
+	*/
+	public function add_googleanalytics_configs($event)
+	{
+		// Add a config to the settings mode, after override_user_style
+		if ($event['mode'] == 'settings' && isset($event['display_vars']['vars']['override_user_style'])) 
+		{
+			// Store display_vars event in a local variable
+			$display_vars = $event['display_vars'];
+
+			// Define the new config vars
+			$my_config_vars = array(
+				'googleanalytics_id' => array(
+					'lang' => 'GOOGLEANALYTICS_ID',
+					'validate' => 'googleanayltics_id',
+					'type' => 'text:40:255',
+					'explain' => true,
+				),
+			);
+
+			// Insert the config vars after...
+			$insert_after = 'override_user_style';
+
+			// Rebuild new config var array
+			$position = array_search($insert_after, array_keys($display_vars['vars'])) + 1;
+			$display_vars['vars'] = array_merge(
+				array_slice($display_vars['vars'], 0, $position),
+				$my_config_vars,
+				array_slice($display_vars['vars'], $position)
+			);
+
+			// Update the display_vars event with the new array
+			$event['display_vars'] = $display_vars;
+		}
+	}
+
+
+	/**
+	* Validate the Google Analytics ID
+	*
+	* @param object $event The event object
+	* @return null
+	* @access public
+	*/
+	public function validate_googleanalytics_id($event)
+	{
+		// Check if the validate test is for google_analytics
+		if ($event['config_definition']['validate'] == 'googleanayltics_id')
+		{
+			// Store the error and input event data
+			$error = $event['error'];
+			$input = $event['cfg_array'][$event['config_name']];
+
+			// Add error message if the input is not a valid Google Analytics ID
+			if (!preg_match('/^ua-\d{4,9}-\d{1,4}$/i', strval($input)))
+			{
+				$error[] = $this->user->lang('GOOGLEANALYTICS_ID_INVALID', $input);
+			}
+
+			// Update error event data
+			$event['error'] = $error;
+		}
+	}
 }

language/en/info_acp_googleanalytics.php

@@ -0,0 +1,43 @@
+<?php
+/**
+*
+* Google Analytics extension for the phpBB Forum Software package.
+*
+* @copyright (c) 2014 phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+*/
+
+/**
+* DO NOT CHANGE
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+if (empty($lang) || !is_array($lang))
+{
+	$lang = array();
+}
+
+// DEVELOPERS PLEASE NOTE
+//
+// All language files should use UTF-8 as their encoding and the files must not contain a BOM.
+//
+// Placeholders can now contain order information, e.g. instead of
+// 'Page %s of %s' you can (and should) write 'Page %1$s of %2$s', this allows
+// translators to re-order the output of data while ensuring it remains correct
+//
+// You do not need this where single placeholders are used, e.g. 'Message %d' is fine
+// equally where a string contains only two placeholders which are used to wrap text
+// in a url you again do not need to specify an order e.g., 'Click %sHERE%s' is fine
+//
+// Some characters you may want to copy&paste:
+// ’ » “ ” …
+//
+
+$lang = array_merge($lang, array(
+	'ACP_GOOGLEANALYTICS_ID'			=> 'Google Analytics ID',
+	'ACP_GOOGLEANALYTICS_ID_EXPLAIN'	=> 'Google Analytics tracking ID.',
+));