Method: RPH::FormAssistant::FormBuilder.assist

Defined in:

lib/form_assistant/form_builder.rb

.assist(helper_name) ⇒ Object

# File 'lib/form_assistant/form_builder.rb', line 204

def self.assist(helper_name)
  define_method(helper_name) do |field, *args|
    options          = (helper_name == 'check_box' ? args.shift : args.extract_options!) || {}
    label_options    = extract_options_for_label(field, options)
    template_options = extract_options_for_template(helper_name, options)
    extra_locals     = options.delete(:locals) || {}
    
    # build out the label element (if desired)
    label = label_options[:label] === false ? nil : self.label(field, label_options.delete(:text), label_options)

    # grab the tip, if any
    tip = options.delete(:tip)
    
    # is the field required?
    required = !!options.delete(:required)
    
    # ensure that we don't have any custom options pass through
    field_options = options.except(:label, :template, :tip, :required)
    
    # call the original render for the element
    super_args = helper_name == 'check_box' ? args.unshift(field_options) : args.push(field_options)
    element = super(field, *super_args)
    
    return element if template_options[:template] === false
    
    # return the helper with an optional label if templates are not to be used
    return render_element(element, field, helper_name, options, label_options[:label] === false) if self.class.ignore_templates
    
    # render the partial template from the desired template root
    render_partial_for(element, field, label, tip, template_options[:template], helper_name, required, extra_locals, args)
  end
end