From 49eacbe3284f5b00d8ec8231632543154ab9ff57 Mon Sep 17 00:00:00 2001
From: jamiesensei <jamiesensei>
Date: Mon, 27 Nov 2006 09:02:35 +0000
Subject: [PATCH] added check to see if at least two choices have been entered
 when setting up or updating a choice activity.

---
 lang/en_utf8/choice.php |  3 ++-
 mod/choice/mod_form.php | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/lang/en_utf8/choice.php b/lang/en_utf8/choice.php
index 4451e9c043..ea8a47106b 100644
--- a/lang/en_utf8/choice.php
+++ b/lang/en_utf8/choice.php
@@ -1,4 +1,4 @@
-<?PHP // $Id$ 
+<?PHP // $Id$
       // choice.php - created with Moodle 1.7 beta + (2006101003)
 
 
@@ -17,6 +17,7 @@ $string['choicetext'] = 'Choice text';
 $string['displayhorizontal'] = 'Display horizontally';
 $string['displaymode'] = 'Display Mode';
 $string['displayvertical'] = 'Display vertically';
+$string['fillinatleastoneoption'] = 'You need to provide at least two possible answers.';
 $string['full'] = '(Full)';
 $string['havetologin'] = 'You have to log in before you can submit your choice';
 $string['limit'] = 'Limit';
diff --git a/mod/choice/mod_form.php b/mod/choice/mod_form.php
index ea6260874e..f36af538e7 100644
--- a/mod/choice/mod_form.php
+++ b/mod/choice/mod_form.php
@@ -112,5 +112,23 @@ class choice_mod_form extends moodleform_mod {
 
 	}
 
+	function validation($data){
+	    $choices=0;
+	    foreach ($data['option'] as $option){
+	        if (trim($option)!=''){
+	            $choices++;
+	        }
+	    }
+	    if ($choices>1){
+	       return true;
+	    } elseif ($choices==0) {
+	       return array('option[0]'=>get_string('fillinatleastoneoption', 'choice'));
+        } else  {
+	       return array('option[1]'=>get_string('fillinatleastoneoption', 'choice'));
+        }
+
+
+	}
+
 }
 ?>
\ No newline at end of file
-- 
2.39.5