Formtastic 2.0 custom input upgrade examples

formtastic_extentions.rb

# This file contains custom input method from formtastic 1.2 and their
# replacement classes in 2.0

module FormtasticExtensions
  
  class WysiwygInput < Formtastic::Inputs::TextInput

    def input_html_options
      wysiwyg_type = input_options.delete(:controls)

      case wysiwyg_type
      when :brief
        super.merge(:class => "#{super[:class]} rnzckeditor-brief")
      else
        super.merge(:class => "#{super[:class]} rnzckeditor")
      end
    end
    # workaround for CK Editor behaviour
    # does not update text area, so required test fails.
    # error are processed server-side
    def required?
      false
    end  
  end

  def wysiwyg_input(method, options = {})
    wysiwyg_type = options.delete(:controls)

    case wysiwyg_type
    when :brief
      text_input(method, options.merge(:input_html => {:class => "rnzckeditor-brief"}) )
    else
      text_input(method, options.merge(:input_html => {:class => "rnzckeditor"}) )
    end
  end

  class DatepickerInput < Formtastic::Inputs::StringInput
    def input_html_options
      super.merge(:class => "#{super[:class]} datepicker")
    end
  end

  def datepicker_input(method, options = {})
    string_input(method, options.merge(:input_html => {:class => "datepicker"}) )
  end

  class TimepickerInput < Formtastic::Inputs::StringInput
    def input_html_options
      super.merge(:class => "#{super[:class]} timepicker")
    end
  end

  def timepicker_input(method, options = {})
    string_input(method, options.merge(:input_html => {:class => "timepicker"}) )
  end

  class ProgrammeSelectInput < Formtastic::Inputs::SelectInput
    def collection
      station = input_options.delete(:station)
      programmes = station ? Programme.station(station) : Programme.all
      programmes.map{|s| [s.name, s.id]}
    end
  end

  def programme_select_input(method, options = {})
    station = options.delete(:station)
    programmes = station ? Programme.station(station) : Programme.all
    select_input(method, options.merge(:collection => programmes.map{|s| [s.name, s.id]}))
  end
  
  class StatusInput < Formtastic::Inputs::RadioInput
    def hint_text
      if object.published_at_was
        text = Formtastic::Util.html_safe("Published at #{object.published_at.to_s(:standard_with_time)}")
        template.content_tag(:p, text, :class => builder.default_hint_class)
      end
    end
    
    def collection
      {'Under construction' => false, 'Live' => true }
    end
  end
  

  def status_input(method, options = {})
    if @object.published_at_was
      text = Formtastic::Util.html_safe("Published at #{@object.published_at.to_s(:standard_with_time)}")
      hint = template.content_tag(:p, text, :class => default_hint_class)
    end

    collection   = {'Under construction' => false, 'Live' => true }
    html_options = strip_formtastic_options(options).merge(options.delete(:input_html) || {})

    input_name = generate_association_input_name(method)
    value_as_class = options.delete(:value_as_class)
    input_ids = []

    list_item_content = collection.map do |c|
      label = c.is_a?(Array) ? c.first : c
      value = c.is_a?(Array) ? c.last  : c
      input_id = generate_html_id(input_name, value.to_s.gsub(/\s/, '_').gsub(/\W/, '').downcase)
      input_ids << input_id

      html_options[:id] = input_id

      li_content = template.content_tag(:label,
        Formtastic::Util.html_safe("#{radio_button(input_name, value, html_options)} #{escape_html_entities(label)}"),
        :for => input_id
      )

      li_options = value_as_class ? { :class => [method.to_s.singularize, value.to_s.downcase].join('_') } : {}
      template.content_tag(:li, Formtastic::Util.html_safe(li_content), li_options)
    end

    template.content_tag(:fieldset,
      legend_tag(method, options) << template.content_tag(:ol, Formtastic::Util.html_safe(list_item_content.join))
    ) << hint
  end

end