From edff7540eb58ee5d1bf7a70c1a9a7e26d8884938 Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Mon, 9 Jan 2017 14:10:39 +0100
Subject: [PATCH] feature #593, dynamic bloc size instead of fixed at 100.

1000 by default or half of the element list. The action should alway require at
least 2 ajax calls, even for 2 photos to delete (exception for 1 photo, of
course)
---
 admin/themes/default/js/batchManagerGlobal.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/admin/themes/default/js/batchManagerGlobal.js b/admin/themes/default/js/batchManagerGlobal.js
index 10ece3508..26e174b50 100644
--- a/admin/themes/default/js/batchManagerGlobal.js
+++ b/admin/themes/default/js/batchManagerGlobal.js
@@ -256,7 +256,10 @@ jQuery('#applyAction').click(function(e) {
 
   progressBar_max = elements.length;
   var todo = 0;
-  var deleteBlockSize = 100;
+  var deleteBlockSize = Math.min(
+    Number((elements.length/2).toFixed()),
+    1000
+  );
   var image_ids = Array();
 
   jQuery('#applyActionBlock').hide();