feature 2548 multisize - custom sizes restricted to those requested by theme/plugin

code refacto

git-svn-id: http://piwigo.org/svn/trunk@13021 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/derivatives.php

@@ -214,6 +214,7 @@ if ( isset($_POST['d']) )
       {// disabled
         if (isset($enabled[$type]))
         {// now disabled, before was enabled
+          $changed_types[] = $type;
           $disabled[$type] = $enabled[$type];
           unset($enabled[$type]);
         }

admin/include/functions.php

@@ -202,15 +202,18 @@ SELECT
     }
 
     $ok = true;
-    foreach ($files as $path)
-    {
-      if (is_file($path) and !unlink($path))
-      {
-        $ok = false;
-        trigger_error('"'.$path.'" cannot be removed', E_USER_WARNING);
-        break;
-      }
-    }
+		if (!isset($conf['never_delete_originals']))
+		{
+			foreach ($files as $path)
+			{
+				if (is_file($path) and !unlink($path))
+				{
+					$ok = false;
+					trigger_error('"'.$path.'" cannot be removed', E_USER_WARNING);
+					break;
+				}
+			}
+		}
 
     if ($ok)
     {

admin/themes/default/template/derivatives_build.tpl

@@ -44,7 +44,7 @@ TABLE {
 
 {footer_script require='jquery.effects.slide'}{literal}
 
-var loader = new ImageLoader( {onChanged: loaderChanged} )
+var loader = new ImageLoader( {onChanged: loaderChanged, maxRequests:1 } )
 	, pending_next_page = null
 	, last_image_show_time = 0
 	, allDoneDfd, urlDfd;