Module: ActiveLdap::Acts::Tree

### Home Classes Methods

### In Files

- lib/active_ldap/acts/tree.rb

### Namespace

- MODULE ActiveLdap::Acts::Tree::ClassMethods

### Methods

- ::included
- #ancestors
- #parent
- #parent=
- #root
- #self_and_siblings
- #siblings

### Files

- USAGE

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No matching classes.

# ActiveLdap::Acts::Tree

### Public Class Methods

included(base) click to toggle source

    # File lib/active_ldap/acts/tree.rb, line 4
    def self.included(base)
      base.class_eval do
        extend(ClassMethods)
        association_accessor(:children) do |target|
          Association::Children.new(target, {})
        end
      end
    end

### Public Instance Methods

ancestors() click to toggle source

Returns list of ancestors, starting from parent until root.

    subchild1.ancestors # => [child1, root]

    # File lib/active_ldap/acts/tree.rb, line 22
    def ancestors
      node, nodes = self, []
      nodes << node = node.parent while node.parent
      nodes
    end

parent() click to toggle source

    # File lib/active_ldap/acts/tree.rb, line 49
    def parent
      if base == self.class.base
        nil
      else
        find(:first, :base => base, :scope => :base)
      end
    end

parent=(entry) click to toggle source

    # File lib/active_ldap/acts/tree.rb, line 57
    def parent=(entry)
      if entry.is_a?(String) or entry.is_a?(DN)
        base = entry
      elsif entry.respond_to?(:dn)
        base = entry.dn
        if entry.respond_to?(:clear_association_cache)
          entry.clear_association_cache
        end
      else
        message = _("parent must be an entry or parent DN: %s") % entry.inspect
        raise ArgumentError, message
      end
      unless new_entry?
        self.class.delete_entry(dn, :connection => connection)
        @new_entry = true
      end
      self.dn = "#{dn_attribute}=#{id},#{base}"
      save
    end

root() click to toggle source

Returns the root node of the tree.

    # File lib/active_ldap/acts/tree.rb, line 29
    def root
      node = self
      node = node.parent while node.parent
      node
    end

self_and_siblings() click to toggle source

Returns all siblings and a reference to the current node.

    subchild1.self_and_siblings # => [subchild1, subchild2]

    # File lib/active_ldap/acts/tree.rb, line 45
    def self_and_siblings
      parent ? parent.children : [self]
    end

siblings() click to toggle source

Returns all siblings of the current node.

    subchild1.siblings # => [subchild2]

    # File lib/active_ldap/acts/tree.rb, line 38
    def siblings
      self_and_siblings - [self]
    end

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