From 9610b8d444d135ad2ab1a1c5bd7d6ab69a1b2c36 Mon Sep 17 00:00:00 2001
From: Andrew Garrett <werdna@users.mediawiki.org>
Date: Mon, 3 May 2010 09:10:50 +0000
Subject: [PATCH] HTMLForm: Throw exceptions in some circumstances

---
 includes/HTMLForm.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/includes/HTMLForm.php b/includes/HTMLForm.php
index ba4720ee07..636e0d0e4c 100644
--- a/includes/HTMLForm.php
+++ b/includes/HTMLForm.php
@@ -191,6 +191,14 @@ class HTMLForm {
 	 * @return Bool whether submission was successful.
 	 */
 	function show() {
+		// Check if we have the info we need
+		if ( ! $this->mTitle ) {
+			throw new MWException( "You must call setTitle() on an HTMLForm" );
+		}
+		if ( ! $this->mSubmitCallback ) {
+			throw new MWException( "You must set a submission callback" );
+		}
+		
 		$html = '';
 
 		self::addJS();
-- 
2.20.1