Module: ModelMixins::TreeNodeInstanceMethods

Extended by:
ActiveSupport::Concern
Defined in:
lib/model_mixins/tree_node_instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#child_nodes ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 54

def child_nodes
  self.class.child_nodes(self.id)
end

#create_resource ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 22

def create_resource
  if self.symlink_controller.blank?
    node_resource = Intranet::TextPage.create(:name => self.name)
    self.resource = node_resource
    self.symlink_controller = "text_pages"
    self.symlink_id = node_resource.id.to_s
  end
end

#has_children? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 58

def has_children?
  self.class.child_nodes(self.id).count > 0
end

#remove_child_nodes ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 63

def remove_child_nodes
  if has_children?
    child_nodes.each do |child_node|
      child_node.remove_child_nodes
    end
  end
  remove_one_node
end

#remove_one_node ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 72

def remove_one_node
  destroy
end

#set_positions_after_destroy ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 44

def set_positions_after_destroy
  if !deleting_root.blank? && deleting_root
    self.class.child_nodes(parent_node_id).where("position > ?", position).each do |node|
      node.position -= 1
      node.save
    end
  end
end

#set_positions_after_move ⇒ Object 



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# File 'lib/model_mixins/tree_node_instance_methods.rb', line 31

def set_positions_after_move
  if !old_position.blank? && !old_parent_node_id.blank?
    self.class.child_nodes(old_parent_node_id).where("position > ?", old_position).each do |node|
      node.position -= 1
      node.save
    end
    self.class.child_nodes(parent_node_id).where("position >= ?", position).each do |node|
      node.position += 1
      node.save
    end
  end
end