refactor locale related functionality out of the user module and into the gallery module.

3 files changed, 63 insertions, 2 deletions

diff --git a/modules/gallery/helpers/gallery_block.php b/modules/gallery/helpers/gallery_block.php
index 5d49a9de..3d5ee9d3 100644
--- a/modules/gallery/helpers/gallery_block.php
+++ b/modules/gallery/helpers/gallery_block.php
@@ -28,6 +28,10 @@ class gallery_block_Core {
       "project_news" => t("Gallery Project News"));
   }
 
+  static function get_site_list() {
+    return array("language" => t("Language Preference"));
+  }
+
   static function get($block_id) {
     $block = new Block();
     switch($block_id) {
@@ -85,8 +89,25 @@ class gallery_block_Core {
       $block->css_id = "g-block-adder";
       $block->title = t("Dashboard Content");
       $block->content = self::get_add_block_form();
-    }
 
+    case "language":
+      $locales = locales::installed();
+      foreach ($locales as $locale => $display_name) {
+        $locales[$locale] = SafeString::of_safe_html($display_name);
+      }
+      if (count($locales) > 1) {
+        $block = new Block();
+        $block->css_id = "g-user-language-block";
+        $block->title = t("Language Preference");
+        $block->content = new View("user_languages_block.html");
+        $block->content->installed_locales =
+          array_merge(array("" => t("« none »")), $locales);
+        $block->content->selected = (string) locales::cookie_locale();
+      } else {
+        $block = "";
+      }
+      break;
+    }
     return $block;
   }
 
diff --git a/modules/gallery/helpers/gallery_event.php b/modules/gallery/helpers/gallery_event.php
index 290d7d12..106aa202 100644
--- a/modules/gallery/helpers/gallery_event.php
+++ b/modules/gallery/helpers/gallery_event.php
@@ -19,6 +19,14 @@
  */
 
 class gallery_event_Core {
+  /**
+   * Initialization.
+   */
+  static function gallery_ready() {
+    user::load_user();
+    locales::set_request_locale();
+  }
+
   static function group_created($group) {
     access::add_group($group);
   }
diff --git a/modules/gallery/helpers/locales.php b/modules/gallery/helpers/locales.php
index ab7f7526..f0807c99 100644
--- a/modules/gallery/helpers/locales.php
+++ b/modules/gallery/helpers/locales.php
@@ -219,4 +219,36 @@ class locales_Core {
     }
     return array(null, 0);
   }
-}
\ No newline at end of file
+
+  static function set_request_locale() {
+    // 1. Check the session specific preference (cookie)
+    $locale = self::cookie_locale();
+    // 2. Check the user's preference
+    if (!$locale) {
+      $locale = user::active()->locale;
+    }
+    // 3. Check the browser's / OS' preference
+    if (!$locale) {
+      $locale = locales::locale_from_http_request();
+    }
+    // If we have any preference, override the site's default locale
+    if ($locale) {
+      I18n::instance()->locale($locale);
+    }
+  }
+
+  static function cookie_locale() {
+    $cookie_data = Input::instance()->cookie("g_locale");
+    $locale = null;
+    if ($cookie_data) {
+      if (preg_match("/^([a-z]{2,3}(?:_[A-Z]{2})?)$/", trim($cookie_data), $matches)) {
+        $requested_locale = $matches[1];
+        $installed_locales = locales::installed();
+        if (isset($installed_locales[$requested_locale])) {
+          $locale = $requested_locale;
+        }
+      }
+    }
+    return $locale;
+  }
+}