Module: DataMapper::Form::Helpers

Defined in:
lib/dm-forms/helpers.rb

Instance Method Summary collapse

Instance Method Details

#bound?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


60
61
62
 
# File 'lib/dm-forms/helpers.rb', line 60

def bound? *args 
  args.first.is_a? Symbol
end

#buffer(string = nil) ⇒ Object 



68
69
70
 
# File 'lib/dm-forms/helpers.rb', line 68

def buffer string = nil
  @buffer ||= ''
end

#capture(&block) ⇒ Object 



72
73
74
75
76
77
78
79
 
# File 'lib/dm-forms/helpers.rb', line 72

def capture &block
  if block.arity > 0
    yield self
  else
    instance_eval &block
  end
  buffer
end

#clear_buffer ⇒ Object 



64
65
66
 
# File 'lib/dm-forms/helpers.rb', line 64

def clear_buffer
  @buffer = ''
end

#fields_for(model, attrs = {}, &block) ⇒ Object 



6
7
8
9
10
 
# File 'lib/dm-forms/helpers.rb', line 6

def fields_for model, attrs = {}, &block 
  with_form_context model do
    capture &block
  end
end

#form_context(*args) ⇒ Object 



49
50
51
 
# File 'lib/dm-forms/helpers.rb', line 49

def form_context *args
  @__form_context ||= new_form_context *args
end

#new_form_context(*args) ⇒ Object

:nodoc:



45
46
47
 
# File 'lib/dm-forms/helpers.rb', line 45

def new_form_context *args
  Base.new *args
end

#submit(value = nil, attrs = {}) ⇒ Object 



12
13
14
15
 
# File 'lib/dm-forms/helpers.rb', line 12

def submit value = nil, attrs = {}
  attrs[:value] = value unless value.blank?
  form_context(nil, self).unbound_submit attrs
end

#with_form_context(model, attrs = {}, &block) ⇒ Object 



53
54
55
56
57
58
 
# File 'lib/dm-forms/helpers.rb', line 53

def with_form_context model, attrs = {}, &block
  last_context, @__form_context = form_context, new_form_context(model, self)
  captured = instance_eval &block
  @__form_context = last_context
  captured
end