kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

The style police makes an expection on acts_as_tree (closes #4168) [coffee2code]

Browse source 
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3906 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2006-03-18 03:22:45 +00:00
parent ea617708c2
commit a2fba43ebc
1 changed files with 29 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

54
activerecord/lib/active_record/acts/tree.rb
View file

@ -45,40 +45,44 @@ module ActiveRecord
configuration.update(options) if options.is_a?(Hash)
belongs_to :parent, :class_name => name, :foreign_key => configuration[:foreign_key], :counter_cache => configuration[:counter_cache]
has_many :children, :class_name => name, :foreign_key => configuration[:foreign_key], :order => configuration[:order], :dependent => true
has_many :children, :class_name => name, :foreign_key => configuration[:foreign_key], :order => configuration[:order], :dependent => :destroy
module_eval <<-END
class_eval <<-EOV
include ActiveRecord::Acts::Tree::InstanceMethods
def self.roots
self.find(:all, :conditions => "#{configuration[:foreign_key]} IS NULL", :order => #{configuration[:order].nil? ? "nil" : %Q{"#{configuration[:order]}"}})
find(:all, :conditions => "#{configuration[:foreign_key]} IS NULL", :order => #{configuration[:order].nil? ? "nil" : %Q{"#{configuration[:order]}"}})
end
def self.root
self.find(:first, :conditions => "#{configuration[:foreign_key]} IS NULL", :order => #{configuration[:order].nil? ? "nil" : %Q{"#{configuration[:order]}"}})
find(:first, :conditions => "#{configuration[:foreign_key]} IS NULL", :order => #{configuration[:order].nil? ? "nil" : %Q{"#{configuration[:order]}"}})
end
END
EOV
end
end
# Returns list of ancestors, starting from parent until root.
#
# subchild1.ancestors # => [child1, root]
define_method(:ancestors) do
node, nodes = self, []
nodes << node = node.parent until not node.has_parent?
nodes
end
module InstanceMethods
# Returns list of ancestors, starting from parent until root.
#
# subchild1.ancestors # => [child1, root]
def ancestors
node, nodes = self, []
nodes << node = node.parent until not node.has_parent?
nodes
end
define_method(:root) do
node = self
node = node.parent until not node.has_parent?
node
end
def root
node = self
node = node.parent until not node.has_parent?
node
end
define_method(:siblings) do
self_and_siblings - [self]
end
define_method(:self_and_siblings) do
has_parent? ? parent.children : self.class.roots
end
def siblings
self_and_siblings - [self]
end
def self_and_siblings
has_parent? ? parent.children : self.class.roots
end
end
end