[gnome-weather] window: Set the back button arrow icon according to locale's text direction

[Yosef Or Boczko <yoseforb src gnome org>]

commit 8cc3e2b274257b081f5d2e246ad4fea87606565e
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Fri Dec 27 14:55:18 2013 +0200

    window: Set the back button arrow icon according to locale's text direction
    
    https://bugzilla.gnome.org/show_bug.cgi?id=721123

 data/window.ui |    1 -
 src/window.js  |    4 ++++
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/data/window.ui b/data/window.ui
index 78d5855..5b81cd6 100644
--- a/data/window.ui
+++ b/data/window.ui
@@ -85,7 +85,6 @@
           <object class="GtkImage" id="world-button-image">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
-            <property name="icon-name">go-previous-symbolic</property>
             <property name="icon-size">1</property>
           </object>
         </child>
diff --git a/src/window.js b/src/window.js
index b581681..265333e 100644
--- a/src/window.js
+++ b/src/window.js
@@ -120,6 +120,10 @@ const MainWindow = new Lang.Class({
         let goWorldButton = builder.get_object('world-button');
         this._pageWidgets[Page.CITY].push(goWorldButton);
 
+        let goWorldButtonImage = builder.get_object('world-button-image');
+        goWorldButtonImage.icon_name = (goWorldButton.get_direction() == Gtk.TextDirection.RTL ?
+                                        'go-previous-rtl-symbolic' : 'go-previous-symbolic');
+
         let select = builder.get_object('select-button');
         this._pageWidgets[Page.WORLD].push(select);