From 809e738536b6639bb42ecae8eb1e183543fed93c Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Sun, 1 Nov 2009 13:14:11 -0800
Subject: Try an new approach to extending forms.  Create an extend_form event.
 For the first attempt replace the comment_add_form and item_add_form events.

---
 modules/recaptcha/config/recaptcha.php        | 24 ++++++++++++++++++++++++
 modules/recaptcha/helpers/recaptcha_event.php | 10 +++++++---
 2 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 modules/recaptcha/config/recaptcha.php

(limited to 'modules/recaptcha')

diff --git a/modules/recaptcha/config/recaptcha.php b/modules/recaptcha/config/recaptcha.php
new file mode 100644
index 00000000..04827673
--- /dev/null
+++ b/modules/recaptcha/config/recaptcha.php
@@ -0,0 +1,24 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * The list of forms that recaptcha should append itself to.
+ */
+$config["recaptcha"] = array("g-comment-form");
diff --git a/modules/recaptcha/helpers/recaptcha_event.php b/modules/recaptcha/helpers/recaptcha_event.php
index feedced4..7a0b4f58 100644
--- a/modules/recaptcha/helpers/recaptcha_event.php
+++ b/modules/recaptcha/helpers/recaptcha_event.php
@@ -18,9 +18,13 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class recaptcha_event_Core {
-  static function comment_add_form($form) {
-    if (module::get_var("recaptcha", "public_key")) {
-      $form->add_comment->recaptcha("recaptcha")->label("")->id("g-recaptcha");
+  static function extend_form($event_data) {
+    // @todo put into an admin interface
+    $config = Kohana::config("recaptcha");
+    if (module::get_var("recaptcha", "public_key") &&
+        in_array($event_data->id, $config["recaptcha"])) {
+      $input = empty($event_data->append_to) ? $event_data->form : $event_data->append_to;
+      $input->recaptcha("recaptcha")->label("")->id("g-recaptcha");
     }
   }
 
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