From c2a54b37703766b2e5a466090a9eafe81a1d86ef Mon Sep 17 00:00:00 2001
From: Flavio Copes <copesc@gmail.com>
Date: Wed, 19 Aug 2015 14:32:06 +0200
Subject: [PATCH] Add a button to switch to a different language version of a
 page. Uses the switchlanguage task to which I added a redirect parameter to
 correctly switch the language

---
 classes/controller.php                |  3 +--
 themes/grav/templates/pages.html.twig | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/classes/controller.php b/classes/controller.php
index 53d9380f..86bcac90 100644
--- a/classes/controller.php
+++ b/classes/controller.php
@@ -1036,13 +1036,12 @@ class AdminController
 
     protected function taskSwitchlanguage() {
         $language = $this->grav['uri']->param('lang');
+        $redirect = $this->grav['uri']->param('redirect') ? 'pages/' . $this->grav['uri']->param('redirect') : 'pages';
 
         if ($language) {
             $this->grav['session']->admin_lang = $language ?: 'en';
         }
 
-        $redirect = 'pages';
-
         $this->admin->setMessage($this->admin->translate('PLUGIN_ADMIN.SUCCESSFULLY_SWITCHED_LANGUAGE'), 'info');
         $this->setRedirect($redirect);
 
diff --git a/themes/grav/templates/pages.html.twig b/themes/grav/templates/pages.html.twig
index 15b72b6e..ff89fbdf 100644
--- a/themes/grav/templates/pages.html.twig
+++ b/themes/grav/templates/pages.html.twig
@@ -119,6 +119,24 @@
             {% endif %}
             <button class="button" name="task" value="save" form="blueprints"><i class="fa fa-check"></i> {{ "PLUGIN_ADMIN.SAVE"|tu }}</button>
 
+            {% if admin.multilang %}
+                <div class="button-group">
+                    <button type="button" class="button disabled">
+                        <i class="fa fa-flag-o"></i> {{ admin.siteLanguages[admin_lang]|capitalize }}
+                    </button>
+                    <button type="button" class="button dropdown-toggle" data-toggle="dropdown">
+                        <i class="fa fa-caret-down"></i>
+                    </button>
+                    <ul class="dropdown-menu language-switcher">
+                        {% for language, route in context.translatedLanguages %}
+                            {% if language != admin_lang %}
+                                <li><a href="{{ base_url_relative }}{{ theme.slug }}/pages/task{{ config.system.param_sep }}switchlanguage/lang{{ config.system.param_sep }}{{language}}/redirect{{ config.system.param_sep }}{{ route|trim('/') }}">{{ admin.siteLanguages[language]|capitalize }}</a></li>
+                            {% endif %}
+                        {% endfor %}
+                    </ul>
+
+                </div>
+            {% endif %}
         {% endif %}
     </div>
     {% if mode == 'new' %}