Module: ExtendIt::Dsl

Includes:
Asserts
Included in:
AdminIt::Context, AdminIt::Field, AdminIt::Filter, AdminIt::Resource, AdminIt::Section
Defined in:
lib/extend_it/dsl.rb

Instance Method Summary collapse

Instance Method Details

#dsl_accessor(*names, default: nil, &setter) ⇒ Object 



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
 
# File 'lib/extend_it/dsl.rb', line 10

def dsl_accessor(*names, default: nil, &setter)
  names.flatten.uniq.each do |name|
    name = name.symbolize || next
    var_name = "@#{name}".to_sym
    setter_name = "#{name}=".to_sym
    define_method setter_name do |*args|
      obj =
        if setter.nil?
          default || args.first
        else
          instance_exec(*args, &setter)
        end
      instance_variable_set(var_name, obj)
    end
    define_method name do |*args, &block|
      if args.empty? && block.nil?
        if instance_variable_defined?(var_name)
          instance_variable_get(var_name)
        else
          obj = setter.nil? ? default : instance_exec(&setter)
          instance_variable_set(var_name, obj)
        end
      else
        obj = send(setter_name, *args)
        obj.instance_eval(&block) unless obj.nil? || block.nil?
        obj
      end
    end
  end
end

#dsl_block(*names) ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'lib/extend_it/dsl.rb', line 59

def dsl_block(*names)
  names.flatten.uniq.each do |name|
    var_name = "@#{name}".to_sym
    define_method name do |*args, &block|
      if block.nil?
        if instance_variable_defined?(var_name)
          instance_variable_get(var_name)
#              instance_exec(*args, &b) unless b.nil?
#            else
#              nil
        end
      else
        instance_variable_set(var_name, block)
      end
    end
  end
end

#dsl_boolean(*names, default: true) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/extend_it/dsl.rb', line 41

def dsl_boolean(*names, default: true)
  default = default == true
  names.flatten.uniq.each do |name|
    name = name.symbolize || next
    var_name = "@#{name}".to_sym
    define_method "#{name}=" do |value = default|
      instance_variable_set(var_name, value == true)
    end
    define_method "#{name}?" do
      if instance_variable_defined?(var_name)
        instance_variable_get(var_name) == true
      else
        instance_variable_set(var_name, default)
      end
    end
  end
end

#dsl_use_hash(hash_name) ⇒ Object 



77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/extend_it/dsl.rb', line 77

def dsl_use_hash(hash_name)
  assert_symbol(:hash_name, binding: binding)
  define_method "use_#{hash_name}" do |*names, except: nil|
    hash = instance_variable_get("@#{hash_name}")
    if names.empty?
      names = hash.keys
    else
      names = names.ensure_symbols & hash.keys
    end
    except = [except] if !except.nil? && !except.is_a?(Array)
    if except.is_a?(Array)
      names -= except.ensure_symbols
    end
    hash.delete_if { |k, v| !names.include?(k) }
  end
end