diff -r 7d2fb5d7c9ff -r cc32af725176 Controller/WikiTagController.php
--- a/Controller/WikiTagController.php	Thu Oct 20 18:35:33 2011 +0200
+++ b/Controller/WikiTagController.php	Fri Oct 21 17:10:54 2011 +0200
@@ -13,6 +13,9 @@
 use IRI\Bundle\WikiTagBundle\Entity\DocumentTag;
 use IRI\Bundle\WikiTagBundle\Entity\Tag;
 use IRI\Bundle\WikiTagBundle\Utils\WikiTagUtils;
+use Pagerfanta\Pagerfanta;
+use Pagerfanta\Adapter\ArrayAdapter;
+use Pagerfanta\Adapter\DoctrineORMAdapter;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -351,25 +354,100 @@
      */
     public function allTagsAction()
     {
-        $tags = $this->getDoctrine()->getRepository('WikiTagBundle:Tag')->findBy(array('id' => '10'));
+        //$tags = $this->getDoctrine()->getRepository('WikiTagBundle:Tag')->findBy(array('urlStatus' => 2));
+        //$tags = $this->getDoctrine()->getRepository('WikiTagBundle:Tag')->findBy(array('id' => 10));
+        // We get/set all the parameters for the search and pagination.
         // $this->getRequest()->query->get('foo') does not work "because" we are a second controller. So we have to use $_GET.
-        $toto = null;
-        if(array_key_exists('toto', $_GET)){
-            $toto = $_GET['toto'];
+        // Searched string 
+        $searched = "";
+        if(array_key_exists('searched', $_GET)){
+            $searched = $_GET['searched'];
         }
-        $searched = "truc";
-        $search_def = array('A', 'B');
+        // Number of tags per page
         $nb_by_page = 50;
-        $sort = "p+";
-        $current_page = NULL;// avec start_index et end_index
-        $nb_total = "truc";// nb de pages
-        $num_page = 2;
-        $last_page = 4;
+        if(array_key_exists('nb_by_page', $_GET)){
+            $nb_by_page = intval($_GET['nb_by_page']);
+        }
+        // Current page number
+        $num_page = 1;
+        if(array_key_exists('num_page', $_GET)){
+            $num_page = intval($_GET['num_page']);
+        }
+        
+        
+        
+        // We build the query.
+        $qb = $this->getDoctrine()->getEntityManager()->createQueryBuilder();
+        $qb->select('t')
+           ->from('WikiTagBundle:Tag','t');
+        // We add the search string if necessary
+        if($searched!=""){
+            // We replace "*" by "%".
+            $qb->where($qb->expr()->orx($qb->expr()->like('t.normalizedLabel', "'".str_replace("*", "%", $searched)."'")));
+        }
+        // W add the sorting criteria
+        $sort = "popd"; // sort by descendent popularity by default.
+        $reverse_sort = "popa";
+        if(array_key_exists('sort', $_GET)){
+            $sort = $_GET['sort'];
+        }
+        $sort_query = "t.popularity DESC t.normalizedLabel ASC t.label ASC";
+        switch($sort){
+            case "popd":
+                $qb->addOrderBy('t.popularity','DESC');
+                $qb->addOrderBy('t.normalizedLabel','ASC');
+                $qb->addOrderBy('t.label','ASC');
+                $reverse_sort = "popa";
+                break;
+            case "popa":
+                $qb->addOrderBy('t.popularity','ASC');
+                $qb->addOrderBy('t.normalizedLabel','ASC');
+                $qb->addOrderBy('t.label','ASC');
+                $reverse_sort = "popd";
+                break;
+            case "labd":
+                $qb->addOrderBy('t.normalizedLabel','DESC');
+                $qb->addOrderBy('t.label','DESC');
+                $reverse_sort = "laba";
+                break;
+            case "laba":
+                $qb->addOrderBy('t.normalizedLabel','ASC');
+                $qb->addOrderBy('t.label','ASC');
+                $reverse_sort = "labd";
+                break;
+        }
+        
+        // We paginate
+        $adapter = new DoctrineORMAdapter($qb);
+        $pagerfanta = new Pagerfanta($adapter);
+        $pagerfanta->setMaxPerPage($nb_by_page); // 10 by default
+        $last_page = $pagerfanta->getNbPages();
+        $pagerfanta->setCurrentPage($num_page); // 1 by default
+        $nb_total = $pagerfanta->getNbResults();
+        $tags = $pagerfanta->getCurrentPageResults();
+        $pagerfanta->haveToPaginate(); // whether the number of results if higher than the max per page
+        
+        // We get the previous and next page number
         $prev_page = 1;
-        $next_page = 3;
+        if($pagerfanta->hasPreviousPage()){
+            $prev_page = $pagerfanta->getPreviousPage();
+        }
+        $next_page = $last_page;
+        if($pagerfanta->hasNextPage()){
+            $next_page = $pagerfanta->getNextPage();
+        }
+        // We calculate start_index and end_index (tag number in the whole list)
+        $start_index = 1 + (($num_page - 1) * $nb_by_page);
+        $end_index = min($nb_total, $start_index + $nb_by_page - 1);
+        
+        // We build the list of tags's first letters to make quick search.
+        $search_def = array('A'=>'a*', 'B'=>'b*', 'C'=>'c*', 'D'=>'d*', 'E'=>'e*', 'F'=>'f*', 'G'=>'g*', 'H'=>'h*', 'I'=>'i*', 'J'=>'j*', 'K'=>'k*', 'L'=>'l*',
+        	'M'=>'m*', 'N'=>'n*', 'O'=>'o*', 'P'=>'p*', 'Q'=>'q*', 'R'=>'r*', 'S'=>'s*', 'T'=>'t*', 'U'=>'u*', 'V'=>'v*', 'W'=>'w*', 'X'=>'x*', 'Y'=>'y*', 'Z'=>'z*');
+        
         return $this->render('WikiTagBundle:WikiTag:TagList.html.twig', 
-            array('tags' => $tags, 'searched' => $searched, '$search_def' => $search_def, '$nb_by_page' => $nb_by_page, '$sort' => $sort, '$current_page' => $current_page,
-            '$nb_total' => $nb_total, '$num_page' => $num_page, '$last_page' => $last_page, '$prev_page' => $prev_page, '$next_page' => $next_page));
+            array('tags' => $tags, 'searched' => $searched, 'search_def' => $search_def, 'nb_by_page' => $nb_by_page, 'sort' => $sort, 
+            'start_index' => $start_index, 'end_index' => $end_index, 'nb_total' => $nb_total, 'num_page' => $num_page, 'last_page' => $last_page, 
+        	'prev_page' => $prev_page, 'next_page' => $next_page, 'reverse_sort' => $reverse_sort));
     }