From 9345a116af134e6963cda261c448c9ecdb3832ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Galdino=20+=20Rafael=20Mendon=C3=A7a=20Fran=C3=A7?=
 =?UTF-8?q?a?= <rafael.franca+carlos.galdino@plataformatec.com.br>
Date: Sat, 21 Jul 2012 15:20:26 -0300
Subject: Add back `:confirm` and change deprecation horizon to 4.1

---
 actionpack/lib/action_view/helpers/url_helper.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'actionpack/lib/action_view/helpers/url_helper.rb')

diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb
index b4eb3d4826..04d9c69e43 100644
--- a/actionpack/lib/action_view/helpers/url_helper.rb
+++ b/actionpack/lib/action_view/helpers/url_helper.rb
@@ -160,6 +160,12 @@ module ActionView
       #   completion of the Ajax request and performing JavaScript operations once
       #   they're complete
       #
+      # ==== Data attributes
+      #
+      # * <tt>:confirm => 'question?'</tt> - This will allow the unobtrusive JavaScript
+      #   driver to prompt with the question specified. If the user accepts, the link is
+      #   processed normally, otherwise no action is taken.
+      #
       # ==== Examples
       # Because it relies on +url_for+, +link_to+ supports both older-style controller/action/id arguments
       # and newer RESTful routes. Current Rails style favors RESTful routes whenever possible, so base
@@ -274,6 +280,12 @@ module ActionView
       # * <tt>:form_class</tt> - This controls the class of the form within which the submit button will
       #   be placed
       #
+      # ==== Data attributes
+      #
+      # * <tt>:confirm</tt> - This will use the unobtrusive JavaScript driver to
+      #   prompt with the question specified. If the user accepts, the link is
+      #   processed normally, otherwise no action is taken.
+      #
       # ==== Examples
       #   <%= button_to "New", :action => "new" %>
       #   # => "<form method="post" action="/controller/new" class="button_to">
@@ -623,8 +635,15 @@ module ActionView
             html_options = html_options.stringify_keys
             html_options['data-remote'] = 'true' if link_to_remote_options?(options) || link_to_remote_options?(html_options)
 
+            confirm = html_options.delete('confirm')
             method  = html_options.delete('method')
 
+            if confirm
+              ActiveSupport::Deprecation.warn ":confirm option is deprecated and will be removed from Rails 4.1. Use ':data => { :confirm => \'Text\' }' instead"
+
+              html_options["data-confirm"] = confirm
+            end
+
             add_method_to_attributes!(html_options, method) if method
 
             html_options
-- 
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