From 042c524bab3ab401c99ed40c0df1641201f16f07 Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Mon, 10 Mar 2008 20:41:18 +0000
Subject: Languages! There's a little more to do, but ...

git-svn-id: https://code.elgg.org/elgg/trunk@147 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 actions/login.php        |  4 +-
 actions/logout.php       |  4 +-
 engine/lib/languages.php | 97 ++++++++++++++++++++++++++++++++++++++++++++++++
 languages/en.php         | 19 ++++++++++
 4 files changed, 120 insertions(+), 4 deletions(-)
 create mode 100644 engine/lib/languages.php
 create mode 100644 languages/en.php

diff --git a/actions/login.php b/actions/login.php
index cb25b1f0c..7323f1d4d 100644
--- a/actions/login.php
+++ b/actions/login.php
@@ -25,9 +25,9 @@
     // Set the system_message as appropriate
         
         if ($result) {
-            system_message("You have been logged in.");
+            system_message(elgg_echo('login'));
         } else {
-            system_message("We couldn't log you in. Make sure your details are correct and please try again.");
+            system_message(elgg_echo('loginerror'));
         }
       
 ?>
\ No newline at end of file
diff --git a/actions/logout.php b/actions/logout.php
index fd550c5a4..273e8be48 100644
--- a/actions/logout.php
+++ b/actions/logout.php
@@ -17,9 +17,9 @@
     // Set the system_message as appropriate
         
         if ($result) {
-            system_message("You have been logged out.");
+            system_message(elgg_echo('logout'));
         } else {
-            system_message("We couldn't log you out. We're not sure why, to be honest. Try again?");
+            system_message(elgg_echo('logouterror'));
         }
 
 ?>
\ No newline at end of file
diff --git a/engine/lib/languages.php b/engine/lib/languages.php
new file mode 100644
index 000000000..3161932fd
--- /dev/null
+++ b/engine/lib/languages.php
@@ -0,0 +1,97 @@
+<?php
+
+	/**
+	 * Elgg language module
+	 * Functions to manage language and translations.
+	 * 
+	 * @package Elgg
+	 * @subpackage Core
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Curverider Ltd
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.org/
+	 */
+
+	/**
+	 * Add a translation.
+	 * 
+	 * Translations are arrays in the Zend Translation array format, eg:
+	 * 
+	 *	$english = array('message1' => 'message1', 'message2' => 'message2');
+	 *  $german = array('message1' => 'Nachricht1','message2' => 'Nachricht2');
+	 *
+	 * @param string $country_code Standard country code (eg 'en', 'nl', 'es')
+	 * @param array $language_array Formatted array of strings
+	 * @return true|false Depending on success
+	 */
+
+		function add_translation($country_code, $language_array) {
+			
+			global $CONFIG;
+			if (!isset($CONFIG->translations))
+				$CONFIG->translations = array();
+			
+			$country_code = strtlower($country_code);
+			$country_code = trim($country_code);
+			if (is_array($language_array) && sizoef($language_array) > 0 && $country_code != "") {
+				
+				if (!isset($CONFIG->translations[$country_code])) {
+					$CONFIG->translations[$country_code] = $language_array;
+				} else {
+					$CONFIG->translations[$country_code] = array_merge($CONFIG->translations[$country_code],$language_array);
+				}
+				return true;
+				
+			}
+			return false;
+			
+		}
+		
+	/**
+	 * Given a message shortcode, returns an appropriately translated full-text string 
+	 *
+	 * @param string $message_key The short message code
+	 * @param string $language Optionally, the standard language code (defaults to the site default, then English)
+	 * @return string Either the translated string, or the original English string, or an empty string
+	 */
+		function elgg_echo($message_key, $language = "") {
+			
+			global $CONFIG;
+			
+			if (empty($language))
+				$language = $CONFIG->language;
+				
+			if (isset($CONFIG->translations[$country_code][$message_key])) {
+				return $CONFIG->translations[$country][$message_key];
+			} else if (isset($CONFIG->translations["en"][$message_key])) {
+				return $CONFIG->translations["en"][$message_key];
+			}
+				
+			return "";
+			
+		}
+		
+	/**
+	 * Function to load translation files on system boot. Parameters are standard event API parameters, but unused.
+	 *
+	 * @param unknown_type $event
+	 * @param unknown_type $object_type
+	 * @param unknown_type $object
+	 */
+		function load_translations($event, $object_type, $object) {
+			
+			global $CONFIG;
+			if ($handle = opendir($CONFIG->path . "languages/")) {
+					while ($language = readdir($handle)) {
+						if (!in_array($language,array('.','..','.svn','CVS')) && !is_dir($CONFIG->path . "/languages/" . $language)) {
+							//@include($CONFIG->path . "languages/" . $language);
+						}
+						echo $language;
+					}
+				}
+			
+		}
+		
+		register_event_handler("init","system","load_translations");
+
+?>
\ No newline at end of file
diff --git a/languages/en.php b/languages/en.php
new file mode 100644
index 000000000..e0bc35523
--- /dev/null
+++ b/languages/en.php
@@ -0,0 +1,19 @@
+<?php
+
+	$english = array(
+	
+		/**
+		 * Sessions
+		 */
+			
+			'login' => "You have been logged in.",
+			'loginerror' => "We couldn't log you in. Make sure your details are correct and please try again.",
+	
+			'logout' => "You have been logged out.",
+			'logouterror' => "We couldn't log you out. We're not sure why, to be honest. Try again?",
+	
+	);
+	
+	add_translation("en",$english);
+
+?>
\ No newline at end of file
-- 
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