Module: Gluttonberg::DragTree::ActionController::ControllerHelperClassMethods

Defined in:
lib/gluttonberg/drag_tree/action_controller.rb

Overview

class methods

Class Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/gluttonberg/drag_tree/action_controller.rb', line 19

def self.included(klass)
  klass.class_eval do
    @drag_tree_model_class = nil
    @drag_tree_route_name = nil

    def klass.drag_class
      @drag_tree_model_class
    end

    def klass.set_drag_tree(model_class, options = {})
      @drag_tree_route_name = options[:route_name] if options[:route_name]
      @drag_tree_model_class = model_class
    end

    def klass.drag_tree_route_name
      if @drag_tree_route_name then
        @drag_tree_route_name
      else
        "#{self.controller_name}/move_node".to_sym
      end
    end

    def move_node
      if params[:element_ids].blank?
        render :json => {:success => false}
        return
      end
      ids = params[:element_ids].split(",")
      elements = self.class.drag_class.find_by_sorted_ids(ids )
      elements.each_with_index do |element , index|
        attr = {:position => index + 1  }
        element.update_attributes!( attr   )
      end
      render :json => {:success => true}
    end

  end
end