From 9e673539a5f8ed0f8aaec78dc8c5225612e8191e Mon Sep 17 00:00:00 2001
From: Gwyn Morfey <gwyn@new-bamboo.co.uk>
Date: Mon, 7 Jul 2008 15:57:52 +0100
Subject: [PATCH] Now you can do clicks_button 'foo_123' (passing button ID,
 not value)

---
 lib/webrat/field.rb | 4 ++++
 lib/webrat/form.rb  | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/lib/webrat/field.rb b/lib/webrat/field.rb
index 5d13f7f..5dec37e 100644
--- a/lib/webrat/field.rb
+++ b/lib/webrat/field.rb
@@ -106,6 +106,10 @@ module Webrat
       @element["value"] =~ /^\W*#{Regexp.escape(value.to_s)}/i
     end
     
+    def matches_id?(id)
+      @element["id"] =~ /^\W*#{Regexp.escape(id.to_s)}/i
+    end
+    
     def matches_caption?(value)
       @element.innerHTML =~ /^\W*#{Regexp.escape(value.to_s)}/i
     end
diff --git a/lib/webrat/form.rb b/lib/webrat/form.rb
index 37d842d..2b81fc4 100644
--- a/lib/webrat/form.rb
+++ b/lib/webrat/form.rb
@@ -33,6 +33,10 @@ module Webrat
       
       possible_buttons = fields_by_type([ButtonField])
       
+      possible_buttons.each do |possible_button|
+        return possible_button if possible_button.matches_id?(value)
+      end
+      
       possible_buttons.each do |possible_button|
         return possible_button if possible_button.matches_value?(value)
       end