From 0d49fd358c53360c1e1575d6bbd2863f60073146 Mon Sep 17 00:00:00 2001
From: Gergely POLONKAI <polesz@w00d5t0ck.info>
Date: Sat, 6 Oct 2012 15:44:11 +0200
Subject: [PATCH] Made tag cloud look better

---
 .../FrontBundle/Twig/TagCloud.php             | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/GergelyPolonkai/FrontBundle/Twig/TagCloud.php b/src/GergelyPolonkai/FrontBundle/Twig/TagCloud.php
index b002ae3..91b95db 100644
--- a/src/GergelyPolonkai/FrontBundle/Twig/TagCloud.php
+++ b/src/GergelyPolonkai/FrontBundle/Twig/TagCloud.php
@@ -22,22 +22,34 @@ class TagCloud extends \Twig_Extension
     /**
      * @DI\InjectParams()
      */
-    public function __construct(RegistryInterface $doctrine) {
+    public function __construct(RegistryInterface $doctrine)
+    {
         $this->doctrine = $doctrine;
     }
 
+    protected function orderTags($a, $b)
+    {
+        return strcasecmp($a['name'], $b['name']);
+    }
+
     public function getGlobals()
     {
-        $tagCloudQuery = $this->doctrine->getEntityManager()->createQuery('SELECT t, count(tg) ct FROM GergelyPolonkaiFrontBundle:Tag t LEFT JOIN t.tagging tg GROUP BY t.id ORDER BY t.name');
+        $tagCloudQuery = $this->doctrine->getEntityManager()->createQuery('SELECT t, count(tg) ct FROM GergelyPolonkaiFrontBundle:Tag t LEFT JOIN t.tagging tg GROUP BY t.id ORDER BY ct DESC');
         $tagCloudList = $tagCloudQuery->getResult();
         $tagCloud = array();
+        if (count($tagCloudList) > 0) {
+            $tMax = $tagCloudList[0]['ct'];
+            $tMin = 1;
+        }
         foreach ($tagCloudList as $cloudElement) {
             $tag = $cloudElement[0];
             $tagCount = $cloudElement['ct'];
-            $size = ($tagCount == 0) ? 0 : floor(log($tagCount, 10));
-            if ($size > 5) $size = 5;
-            $tagCloud[] = array('name' => $tag->getName(), 'size' => $size);
+            if ($tagCount >= $tMin) {
+                $size = floor((5.0 * ($tagCount - $tMin)) / ($tMax - $tMin));
+                $tagCloud[] = array('name' => $tag->getName(), 'size' => $size);
+            }
         }
+        usort($tagCloud, array($this, 'orderTags'));
 
         return array(
             'tagCloud' => $tagCloud,