From ec7d1359301b28a506d3c9e9ad5785cf84d3fcd9 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 26 Jul 2008 12:54:54 +0000
Subject: Adds child_pages macro for wiki pages (#528).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1699 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'vendor')

diff --git a/vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb b/vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb
index 1f00e90a9..6a6827ee6 100644
--- a/vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb
+++ b/vendor/plugins/acts_as_tree/lib/active_record/acts/tree.rb
@@ -70,6 +70,13 @@ module ActiveRecord
           nodes
         end
 
+        # Returns list of descendants.
+        #
+        #   root.descendants # => [child1, subchild1, subchild2]
+        def descendants
+          children + children.collect(&:children).flatten
+        end
+
         # Returns the root node of the tree.
         def root
           node = self
-- 
cgit v1.2.3