From 7e4cc929919f05e5b31c6ff7d1ed9b8e53e8a95a Mon Sep 17 00:00:00 2001
From: ewinslow <ewinslow@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Mon, 1 Nov 2010 20:28:41 +0000
Subject: Refs #2538: Pulled in some i18n features

git-svn-id: http://code.elgg.org/elgg/trunk@7182 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/js/lib/elgglib.js   | 32 ++++++++++++++--
 engine/js/lib/languages.js | 92 ++++++++++++++++++++++++++++++++++++++++++++++
 engine/js/lib/session.js   | 30 +++++++++++++++
 3 files changed, 150 insertions(+), 4 deletions(-)
 create mode 100644 engine/js/lib/languages.js

(limited to 'engine/js/lib')

diff --git a/engine/js/lib/elgglib.js b/engine/js/lib/elgglib.js
index c0ce69fab..28cae8f8f 100644
--- a/engine/js/lib/elgglib.js
+++ b/engine/js/lib/elgglib.js
@@ -68,6 +68,33 @@ elgg.provide = function(pkg) {
 	}
 };
 
+/**
+ * Inherit the prototype methods from one constructor into another.
+ * 
+ * @example
+ * <pre>
+ * function ParentClass(a, b) { }
+ * 
+ * ParentClass.prototype.foo = function(a) { alert(a); }
+ *
+ * function ChildClass(a, b, c) {
+ *     //equivalent of parent::__construct(a, b); in PHP
+ *     ParentClass.call(this, a, b);
+ * }
+ *
+ * elgg.inherit(ChildClass, ParentClass);
+ *
+ * var child = new ChildClass('a', 'b', 'see');
+ * child.foo('boo!'); // alert('boo!');
+ * </pre>
+ *
+ * @param {Function} childCtor Child class.
+ * @param {Function} parentCtor Parent class.
+ */
+elgg.inherit = function(Child, Parent) {
+	Child.prototype = Parent;
+};
+
 /**
  * Prepend elgg.config.wwwroot to a url if the url doesn't already have it.
  * 
@@ -122,10 +149,7 @@ elgg.system_messages = function(msgs, delay, type) {
 		+ '<p>' + msgs.join('</p><p>') + '</p>'
 	+ '</div>';
 	
-	$(messages_html).insertAfter('#layout_header').click(function () {
-		$(this).stop().fadeOut('slow');
-		return false;
-	}).show().animate({opacity:'1.0'},delay).fadeOut('slow');
+	$(messages_html).appendTo('#elgg_system_messages').show().animate({opacity:'1.0'},delay).fadeOut('slow');
 };
 
 /**
diff --git a/engine/js/lib/languages.js b/engine/js/lib/languages.js
new file mode 100644
index 000000000..7bae74e6b
--- /dev/null
+++ b/engine/js/lib/languages.js
@@ -0,0 +1,92 @@
+/**
+ * Provides language-related functionality
+ */
+elgg.provide('elgg.config.translations');
+
+elgg.config.language = 'en';
+
+elgg.config.translations.init = function() {
+	elgg.reload_all_translations();
+};
+
+elgg.add_translation = function(lang, translations) {
+	elgg.provide('elgg.config.translations.' + lang);
+	
+	var t = elgg.config.translations;
+	
+	t[lang] = $.extend(t[lang], translations);
+}
+
+/**
+ * Load the translations for the given language.
+ * 
+ * If no language is specified, the default language is used.
+ * @param {string} language
+ * @return {XMLHttpRequest}
+ */
+elgg.reload_all_translations = function(language) {
+	var lang = language || elgg.get_language();
+	elgg.getJSON('_css/js.php', {
+		data: {
+			'js': 'languages/'+lang,
+			'viewtype': 'default',
+			'lastcache': elgg.config.lastcache
+		},
+		success: function(json) {
+			elgg.add_translation(lang, json);
+		}
+	});
+};
+
+/**
+ * @deprecated Use elgg.reload_all_translations
+ */
+elgg.config.translations.load = elgg.reload_all_translations;
+
+/**
+ * Get the current language
+ * @return {String}
+ */
+elgg.get_language = function() {
+	var user = elgg.get_loggedin_user();
+	
+	if (user && user.language) {
+		return user.language;
+	}
+	
+	return elgg.config.language;
+};
+
+/**
+ * Translates a string
+ * 
+ * @param {String} key The string to translate
+ * @param {String} language The language to display it in
+ * @return {String} The translation
+ */
+elgg.echo = function(key, language) {
+	var translations,
+		dlang = elgg.get_language();
+	
+	language = language || dlang;
+	
+	translations = elgg.config.translations[language];
+	if (translations && translations[key]) {
+		return translations[key];
+	}
+	
+	if (language == dlang) {
+		return undefined;
+	}
+	
+	translations = elgg.config.translations[dlang];
+	if (translations && translations[key]) {
+		return translations[key];
+	}
+	
+	return undefined;
+};
+
+$(function() {
+	elgg.config.translations.init();
+});
\ No newline at end of file
diff --git a/engine/js/lib/session.js b/engine/js/lib/session.js
index 446dbfac1..227c607eb 100644
--- a/engine/js/lib/session.js
+++ b/engine/js/lib/session.js
@@ -80,6 +80,36 @@ elgg.session.cookie = function(name, value, options) {
 	document.cookie = cookies.join('; ');
 };
 
+/**
+ * @return {ElggUser} The logged in user
+ */
+elgg.get_loggedin_user = function() {
+	return elgg.session.user;
+};
+
+/**
+ * @return {number} The GUID of the logged in user
+ */
+elgg.get_loggedin_userid = function() {
+	var user = elgg.get_loggedin_user();
+	return user ? user.guid : 0;
+};
+
+/**
+ * @return {boolean} Whether there is a user logged in
+ */
+elgg.isloggedin = function() {
+	return (elgg.get_loggedin_user() instanceof elgg.ElggUser);
+};
+
+/**
+ * @return {boolean} Whether there is an admin logged in
+ */
+elgg.isadminloggedin = function() {
+	var user = elgg.get_loggedin_user();
+	return (user instanceof ElggUser) && user.isAdmin();
+};
+
 /**
  * @deprecated Use elgg.session.cookie instead
  */
-- 
cgit v1.2.3