Customizing default rails form builder to adopt for labels, input fields, errors, hints, etc. in order to build forms just in minutes
# app/helpers/app_form_builder.rb
class AppFormBuilder < ActionView::Helpers::FormBuilder
HELPERS = %w[check_box text_field text_area password_field select date_select datetime_select file_field collection_select state_select label calendar_date_select]
def self.create_tagged_field(method_name)
define_method(method_name) do |name, *args|
errs = object.errors.on(name.to_sym) if object && object.errors
# initialize some local variables
if args.last.is_a?(Hash)
label = args.last.delete(:label)
suffix = args.last.delete(:suffix)
klass = args.last.delete(:class)
req = args.last.delete(:required)
end
label = 'none' if method_name == 'hidden_field'
label ||= name.to_s.titleize
label = nil if label == 'none'
klass = klass ? [klass] : []
# Custom class if it exists
if method_name =~ /text_field|check_box|select/
klass << method_name
end
klass << 'f' #A default selector
klass << 'error' if errs.present?
klass = klass.join(' ')
# Required Field Notations
if req == 'all' || (req == 'new' && object.new_record?)
label << @template.content_tag(:span, :*, :class => :req)
end
suffix = @template.content_tag(:label, suffix) if suffix.present?
label = @template.content_tag(:label, label) if label.present?
errs = @template.content_tag(:span, errs.to_s, :class => :message) if errs.present?
reverse = true if method_name == 'check_box'
if reverse
content = "#{super} #{suffix} #{label} #{errs}"
else
content = "#{label} #{super} #{suffix} #{errs}"
end
@template.content_tag(:div, content, :class => klass)
end
end
HELPERS.each do |name|
create_tagged_field(name)
end
end
