diff -r 984ba20c150b -r 1bc0ec8ed05b Controller/WikiTagController.php
--- a/Controller/WikiTagController.php	Fri Dec 09 02:27:20 2011 +0100
+++ b/Controller/WikiTagController.php	Fri Dec 09 04:53:56 2011 +0100
@@ -377,11 +377,7 @@
             // Here we are in the context of tag list.
             if($un_tag_created==true){
                 $em->flush();
-                $num_page = $this->getRequest()->request->get('num_page');
-                $nb_by_page = $this->getRequest()->request->get('nb_by_page');
-                $sort = $this->getRequest()->request->get('sort');
-                $searched = $this->getRequest()->request->get('searched');
-                return $this->renderAllTags($num_page, $nb_by_page, $sort, $searched);
+                return $this->renderAllTags();
             }
             else{
                 // The unsemantized version of the tag already exist, so we send an error.
@@ -417,11 +413,7 @@
             return $this->renderDocTags($id_doc, $this->getRequest()->request->get('wikitag_document_profile'));
         }
         else{
-            $num_page = $this->getRequest()->request->get('num_page');
-            $nb_by_page = $this->getRequest()->request->get('nb_by_page');
-            $sort = $this->getRequest()->request->get('sort');
-            $searched = $this->getRequest()->request->get('searched');
-            return $this->renderAllTags($num_page, $nb_by_page, $sort, $searched);
+            return $this->renderAllTags();
         }
     }
 
@@ -461,11 +453,7 @@
         }
         else{
             // In case we changed the alias from the tag list.
-            $num_page = $this->getRequest()->request->get('num_page');
-            $nb_by_page = $this->getRequest()->request->get('nb_by_page');
-            $sort = $this->getRequest()->request->get('sort');
-            $searched = $this->getRequest()->request->get('searched');
-            return $this->renderAllTags($num_page, $nb_by_page, $sort, $searched);
+            return $this->renderAllTags();
         }
     }
     
@@ -555,16 +543,11 @@
             return new Response(json_encode(array('error' => 'wikipedia_request_failed', 'message' => $e->getMessage())),400);
         }
         // We render the tag list.
-        $num_page = $this->getRequest()->request->get('num_page');
-        $nb_by_page = $this->getRequest()->request->get('nb_by_page');
-        $sort = $this->getRequest()->request->get('sort');
-        $searched = $this->getRequest()->request->get('searched');
-        return $this->renderAllTags($num_page, $nb_by_page, $sort, $searched);
+        return $this->renderAllTags();
     }
         
         
     /**
-     *
      * Resemantize the tag with its original label. Kind of undo if we changed the tag's label.
      *
      */
@@ -581,12 +564,29 @@
         }
         
         // We render the tag list.
-        $num_page = $this->getRequest()->request->get('num_page');
-        $nb_by_page = $this->getRequest()->request->get('nb_by_page');
-        $sort = $this->getRequest()->request->get('sort');
-        $searched = $this->getRequest()->request->get('searched');
-        return $this->renderAllTags($num_page, $nb_by_page, $sort, $searched);
+        return $this->renderAllTags();
     }
+    
+    /**
+     * Redo a Wikipedia search
+     * @return \Symfony\Component\HttpFoundation\Response|\Symfony\Bundle\FrameworkBundle\Controller\Response
+     */
+    public function relaunchWpSearchAction()
+    {
+        $id_tag = $this->getRequest()->request->get('tag_id');
+        $tag = $this->getDoctrine()->getRepository('WikiTagBundle:Tag')->findOneBy(array('id' => $id_tag));
+        // We update the tag label and its wikipedia info with the original label.
+        try {
+            $this->updateTagWithNewLabel($tag, $tag->getLabel());
+        }
+        catch (\Exception $e){
+            return new Response(json_encode(array('error' => 'wikipedia_request_failed', 'message' => $e->getMessage())),400);
+        }
+    
+        // We render the tag list.
+        return $this->renderAllTags();
+    }
+    
 
 
     /**
@@ -595,16 +595,14 @@
     private function updateTagWithNewLabel($tag, $label)
     {
         if($tag!=null && $label!=null){
-            if($label!=$tag->getLabel()){
-                // We get the Wikipedia informations for the sent label
-                $tag_label_normalized = WikiTagUtils::normalizeTag($label);
-                $wp_response = WikiTagUtils::getWikipediaInfo($tag_label_normalized);
-                $tag->setWikipediaInfo($wp_response);
-                // Save datas.
-                $em = $this->getDoctrine()->getEntityManager();
-                $em->persist($tag);
-                $em->flush();
-            }
+            // We get the Wikipedia informations for the sent label
+            $tag_label_normalized = WikiTagUtils::normalizeTag($label);
+            $wp_response = WikiTagUtils::getWikipediaInfo($tag_label_normalized);
+            $tag->setWikipediaInfo($wp_response);
+            // Save datas.
+            $em = $this->getDoctrine()->getEntityManager();
+            $em->persist($tag);
+            $em->flush();
         }
     }
 
@@ -612,9 +610,20 @@
     /**
      * Generic render partial template for tag list
      */
-    public function renderAllTags($num_page=NULL, $nb_by_page=NULL, $sort=NULL, $searched=NULL)
+    public function renderAllTags($num_page=null, $nb_by_page=null, $sort=null, $searched=null)
     {
-        
+        if(is_null($num_page)) {
+            $num_page = $this->getRequest()->request->get('num_page');
+        }
+        if(is_null($nb_by_page)) {
+            $nb_by_page = $this->getRequest()->request->get('nb_by_page');
+        }
+        if(is_null($sort)) {
+            $sort = $this->getRequest()->request->get('sort');
+        }
+        if(is_null($searched)) {
+            $searched = $this->getRequest()->request->get('searched');
+        }
         //We get the needed datas in an array($tags, $num_page, $nb_by_page, $searched, $sort, $reverse_sort, $pagerfanta);
         $ar = $this->getAllTags($num_page, $nb_by_page, $sort, $searched);
         $tags = $ar[0];
@@ -629,7 +638,6 @@
         	'reverse_sort' => $reverse_sort, 'route_for_documents_by_tag' => $this->container->getParameter("wiki_tag.route_for_documents_by_tag")));
     }
 
-
     /**
      * Generic to get all tags with the context (pagination number, nb by page, searched string, sort)
      */