Adding UI for site language selection and user language preference.

core/controllers/admin_languages.php

@@ -0,0 +1,53 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class Admin_Languages_Controller extends Admin_Controller {
+  public function index() {
+    $view = new Admin_View("admin.html");
+    $view->content = new View("admin_languages.html");
+
+    $locales = locale::available();
+    asort($locales, SORT_LOCALE_STRING);
+
+    $form = new Forge("/admin/languages/save", "", "post", array("id" => "gLanguageSettingsForm"));
+    $group = $form->group("settings")
+      ->label(t("Please select a language"));
+    $group->dropdown("locale_selection")
+      ->options($locales)
+      ->selected(module::get_var('core', 'default_locale'));
+    $group->submit("save")->value(t("Save settings"));
+    
+    $view->content->form = $form;
+
+    print $view;
+  }
+
+  public function save() {
+    $locales = locale::available();
+    $selected_locale = $this->input->post('locale_selection');
+    if (!isset($locales[$selected_locale])) {
+      message::error(t("Invalid selection"));
+    } else {
+      module::set_var("core", "default_locale", $selected_locale);
+      message::success(t("Settings saved"));
+    }
+    url::redirect("admin/languages");
+  }
+}
+