From ba646fa733627952fba8d7f172c457bf097d324d Mon Sep 17 00:00:00 2001
From: Florian BLOUET <florian.blouet@gmail.com>
Date: Mon, 21 Mar 2016 10:20:56 +0100
Subject: [PATCH] PHRAS-1039 - fix preview backward navigation

---
 resources/www/prod/js/jquery.p4.preview.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/resources/www/prod/js/jquery.p4.preview.js b/resources/www/prod/js/jquery.p4.preview.js
index d09db584a1..9276cb0b58 100644
--- a/resources/www/prod/js/jquery.p4.preview.js
+++ b/resources/www/prod/js/jquery.p4.preview.js
@@ -379,7 +379,10 @@ function reloadPreview() {
 function getPrevious() {
     if (p4.preview.mode == 'RESULT') {
         posAsk = parseInt(p4.preview.current.pos) - 1;
-        posAsk = (posAsk < 0) ? ((parseInt(p4.tot) - 1)) : posAsk;
+        if (p4.navigation.page === 1) {
+            // may go to last result
+            posAsk = (posAsk < 0) ? ((parseInt(p4.tot) - 1)) : posAsk;
+        }
         openPreview('RESULT', posAsk, '', false);
     }
     else {