cirandas.net

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
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

module CustomDesign

  extend ActiveSupport::Concern

  included do
    extend ClassMethods
    include InstanceMethods
    before_filter :load_custom_design if self.respond_to? :before_filter
  end

  module ClassMethods

    def no_design_blocks
      @no_design_blocks = true
    end

    def use_custom_design options = {}
      @custom_design = options
    end

    def custom_design
      @custom_design ||= {}
    end

    def uses_design_blocks?
      !@no_design_blocks
    end

  end

  module InstanceMethods

    protected

    def uses_design_blocks?
      !@no_design_blocks && self.class.uses_design_blocks?
    end

    def load_custom_design
      # see also: LayoutHelper#body_classes
      @layout_template = self.class.custom_design[:layout_template]
    end

    def custom_design
      @custom_design || self.class.custom_design
    end

  end

end