Method: Forme::Form.form

Defined in:
lib/forme/form.rb

.form(obj = nil, attr = {}, opts = {}, &block) ⇒ Object

Create a Form instance and yield it to the block, injecting the opening form tag before yielding and the closing form tag after yielding.

Argument Handling:

No args

Creates a Form object with no options and not associated to an obj, and with no attributes in the opening tag.

1 hash arg

Treated as opening form tag attributes, creating a Form object with no options.

1 non-hash arg

Treated as the Form‘s obj, with empty options and no attributes in the opening tag.

2 hash args

First hash is opening attributes, second hash is Form options.

1 non-hash arg, 1-2 hash args

First argument is Form‘s obj, second is opening attributes, third if provided is Form’s options.



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/forme/form.rb', line 49

def self.form(obj=nil, attr={}, opts={}, &block)
  f = if obj.is_a?(Hash)
    raise Error, "Can't provide 3 hash arguments to form" unless opts.empty?
    opts = attr
    attr = obj
    new(opts)
  else
    new(obj, opts)
  end

  ins = opts[:inputs]
  button = opts[:button]
  if ins || button
    block = Proc.new do |form|
      form._inputs(ins, opts) if ins
      yield form if block_given?
      form.emit(form.button(button)) if button
    end
  end

  f.form(attr, &block)
end