From e33b9a722e0604641e29b7c2ae017fd72cc019ae Mon Sep 17 00:00:00 2001
From: Xavier Morel <xmo@openerp.com>
Date: Wed, 16 Nov 2011 11:04:16 +0100
Subject: [PATCH] [FIX] some badly implemented function fields return empty
 strings (for e.g. dates, instead of False)

treat empty strings as 'false' except for char fields

bzr revid: xmo@openerp.com-20111116100416-0713i9va49ffbzlh
---
 addons/web/static/src/js/formats.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/addons/web/static/src/js/formats.js b/addons/web/static/src/js/formats.js
index 23d8a2c24e0..3151b34636b 100644
--- a/addons/web/static/src/js/formats.js
+++ b/addons/web/static/src/js/formats.js
@@ -76,7 +76,13 @@ openerp.web.format_value = function (value, descriptor, value_if_empty) {
     if (typeof value === 'number' && isNaN(value)) {
         value = false;
     }
+    //noinspection FallthroughInSwitchStatementJS
     switch (value) {
+        case '':
+            if (descriptor.type === 'char') {
+                return '';
+            }
+            console.warn('Field', descriptor, 'had an empty string as value, treating as false...');
         case false:
         case Infinity:
         case -Infinity: