From 441c9e85dcb824dba2a44657a31fa29ad71a4ee1 Mon Sep 17 00:00:00 2001
From: ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Tue, 2 Nov 2010 16:06:53 +0000
Subject: Refs #2538: Moved js directory to elgg root.

git-svn-id: http://code.elgg.org/elgg/trunk@7189 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 js/lib/languages.js | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 js/lib/languages.js

(limited to 'js/lib/languages.js')

diff --git a/js/lib/languages.js b/js/lib/languages.js
new file mode 100644
index 000000000..3231cf77d
--- /dev/null
+++ b/js/lib/languages.js
@@ -0,0 +1,83 @@
+/**
+ * Provides language-related functionality
+ */
+elgg.provide('elgg.config.translations');
+
+elgg.config.language = 'en';
+
+elgg.add_translation = function(lang, translations) {
+	elgg.provide('elgg.config.translations.' + lang);
+	
+	$.extend(elgg.config.translations[lang], translations);
+}
+
+/**
+ * Load the translations for the given language.
+ * 
+ * If no language is specified, the default language is used.
+ * @param {string} language
+ * @return {XMLHttpRequest}
+ */
+elgg.reload_all_translations = function(language) {
+	var lang = language || elgg.get_language();
+	elgg.getJSON('_css/js.php', {
+		data: {
+			'js': 'languages/'+lang,
+			'viewtype': 'default',
+			'lastcache': elgg.config.lastcache
+		},
+		success: function(json) {
+			elgg.add_translation(lang, json);
+		}
+	});
+};
+
+/**
+ * Get the current language
+ * @return {String}
+ */
+elgg.get_language = function() {
+	var user = elgg.get_loggedin_user();
+	
+	if (user && user.language) {
+		return user.language;
+	}
+	
+	return elgg.config.language;
+};
+
+/**
+ * Translates a string
+ * 
+ * @param {String} key The string to translate
+ * @param {String} language The language to display it in
+ * @return {String} The translation
+ */
+elgg.echo = function(key, language) {
+	var translations,
+		dlang = elgg.get_language();
+	
+	language = language || dlang;
+	
+	translations = elgg.config.translations[language];
+	if (translations && translations[key]) {
+		return translations[key];
+	}
+	
+	if (language == dlang) {
+		return undefined;
+	}
+	
+	translations = elgg.config.translations[dlang];
+	if (translations && translations[key]) {
+		return translations[key];
+	}
+	
+	return undefined;
+};
+
+elgg.config.translations.init = function() {
+	elgg.reload_all_translations();
+};
+
+elgg.register_event_handler('boot', 'system', elgg.config.translations.init);
\ No newline at end of file
-- 
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