added 2 events: get_categories_menu_sql_where and get_html_menu_category in order to allow personalisation of the category menu

git-svn-id: http://piwigo.org/svn/branches/branch-1_7@2069 68402e56-0260-453c-a942-63ccdbb3a9ee

include/functions_category.inc.php

@@ -72,29 +72,33 @@ FROM '.CATEGORIES_TABLE.' INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.'
   // Always expand when filter is activated
   if (!$user['expand'] and !$filter['enabled'])
   {
-    $query.= '
-WHERE
+    $where = '
 (id_uppercat is NULL';
     if (isset($page['category']))
     {
-      $query.= ' OR id_uppercat IN ('.$page['category']['uppercats'].')';
+      $where .= ' OR id_uppercat IN ('.$page['category']['uppercats'].')';
     }
-    $query.= ')';
+    $where .= ')';
   }
   else
   {
-    $query.= '
+    $where = '
   '.get_sql_condition_FandF
     (
       array
         (
           'visible_categories' => 'id',
         ),
-      'WHERE'
+      null,
+      true
     );
   }
 
+  $where = trigger_event('get_categories_menu_sql_where',
+    $where, $user['expand'], $filter['enabled'] );
+
   $query.= '
+WHERE '.$where.'
 ;';
 
   $result = pwg_query($query);

include/functions_html.inc.php

@@ -394,7 +394,13 @@ function get_html_menu_category($categories, $selected_category)
 
   $ref_level = 0;
   $level = 0;
-  $menu = '';
+
+  $menu = trigger_event('get_html_menu_category', '',
+            $categories, $selected_category);
+  if (strlen($menu))
+  {
+    return $menu;
+  }
 
   foreach ($categories as $category)
   {
@@ -437,13 +443,13 @@ function get_html_menu_category($categories, $selected_category)
                   ' / '
                 );
 
-    $menu.= "\n".'<a href="'.$url.'"';
+    $menu.= '<a href="'.$url.'"';
     if ($selected_category!=null
         and $category['id'] == $selected_category['id_uppercat'])
     {
       $menu.= ' rel="up"';
     }
-    $menu.= ' title=" '.$title.'">'.$category['name'].'</a>';
+    $menu.= ' title="'.$title.'">'.$category['name'].'</a>';
 
     if ( $category['count_images']>0 )
     {// at least one direct or indirect image