custom simple form component

simple_form_bootstrap.rb

SimpleForm.setup do |config|
  config.wrappers :half_width_checkboxes, tag: 'div', class: 'row', error_class: 'has-error' do |b|
    b.use :html5
  
    b.wrapper tag: 'div', class: 'col-md-5' do |ba|
      ba.wrapper tag: 'div', class: 'panel panel-default' do |bb|
        bb.wrapper tag: 'div', class: 'panel-heading' do |bc|
          bc.use :h_label, class: 'panel-title'
        end
        bb.wrapper tag: 'div', class: 'panel-body' do |bc|
          bc.use :error, wrap_with: { tag: 'span', class: 'help-block' }
          bc.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
          bc.use :input
        end
      end
    end
  end
end

simple_form_components.rb

# this example shows how to essentially replace the
# default label tag with your own custom tag by using
# a simple_form custom component

module SimpleForm
  module Components
    # Needs to be enabled in order to do automatic lookups
    module CustomLabels
      # Name of the component method
      def h_label(wrapper_options = nil)
        content_tag(:h4, self.label_text, wrapper_options)
      end

    end
  end
end

SimpleForm::Inputs::Base.send(:include, SimpleForm::Components::CustomLabels)