Sha256: 6eb79d6e4d36342563bf1d1ed74dbc6bc6d9d0d7f619beb14dc217394bbf69eb
Contents?: true
Size: 853 Bytes
Versions: 11
Compression:
Stored size: 853 Bytes
Contents
= dm-is-tree
DataMapper plugin allowing the creation of tree structures from data models.
Example:
class Category
include DataMapper::Resource
property :id, Serial
property :parent_id, Integer
property :name, String
is :tree, :order => :name
end
root
+- child
+- grandchild1
+- grandchild2
root = Category.create(:name => "root")
child = root.children.create(:name => "child")
grandchild1 = child1.children.create(:name => "grandchild1")
grandchild2 = child2.children.create(:name => "grandchild2")
root.parent # => nil
child.parent # => root
root.children # => [child]
root.children.first.children.first # => grandchild1
Category.first_root # => root
Category.roots # => [root]
Original Author:: Timothy Bennett (http://lanaer.com)
Current Maintainer:: Garrett Heaver (http://www.linkedin.com/pub/dir/garrett/heaver)
Version data entries
11 entries across 11 versions & 1 rubygems