From cf96d4e82db142fc6dd98b49b078f29a3be0f0f7 Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Tue, 7 Oct 2014 10:19:21 +0000
Subject: [PATCH] do not convert empty values, otherwise we will get current
 date or 1970-01-01 instead

---
 etemplate/inc/class.etemplate_widget_date.inc.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/etemplate/inc/class.etemplate_widget_date.inc.php b/etemplate/inc/class.etemplate_widget_date.inc.php
index 3939d4d414..a8807cf7f4 100644
--- a/etemplate/inc/class.etemplate_widget_date.inc.php
+++ b/etemplate/inc/class.etemplate_widget_date.inc.php
@@ -65,7 +65,7 @@ class etemplate_widget_date extends etemplate_widget_transformer
 
 		$form_name = self::form_name($cname, $this->id, $expand);
 		$value =& self::get_array(self::$request->content, $form_name, false, true);
-		
+
 		if($this->type != 'date-duration' && $value)
 		{
 			$value = $this->format_date($value);
@@ -101,6 +101,8 @@ class etemplate_widget_date extends etemplate_widget_transformer
 	 */
 	public function format_date($value)
 	{
+		if (!$value) return $value;	// otherwise we will get current date or 1970-01-01 instead of an empty value
+
 		if ($this->attrs['dataformat'] && !is_numeric($value))
 		{
 			$date = date_create_from_format($this->attrs['dataformat'], $value, egw_time::$user_timezone);
@@ -120,7 +122,7 @@ class etemplate_widget_date extends etemplate_widget_transformer
 		}
 		return $value;
 	}
-	
+
 	/**
 	 * Validate input
 	 *