Contents

module SplitOpenAndCloseOn

  def split_open_and_close_on(string, match)
    return "" unless string && match
    @opening_tag = string.split(Regexp.new("#{match}\\z")).first
    @closing_tag = match
  end

  def opening_tag
    @opening_tag || ""
  end

  def closing_tag
    @closing_tag || ""
  end

end

class FormBuilderProxy < Arbre::Component
  attr_reader :form_builder

  # Since label and select are Arbre Elements already, we must
  # override it here instead of letting method_missing
  # deal with it
  def label(*args)
    proxy_call_to_form :label, *args
  end

  def select(*args)
    proxy_call_to_form :select, *args
  end

  def respond_to?(name)
    if form_builder && form_builder.respond_to?(name)
      true
    else
      super
    end
  end

  private

  def proxy_call_to_form(method, *args, &block)
    text_node form_builder.send(method, *args, &block)
  end

  def method_missing(method, *args, &block)
    if form_builder && form_builder.respond_to?(method)
      proxy_call_to_form(method, *args, &block)
    else
      super
    end
  end

end

class FormForProxy < FormBuilderProxy
  builder_method :form_for
  include SplitOpenAndCloseOn

  def build(resource, form_options = {}, &block)
    form_string = helpers.form_for(resource, form_options) do |f|
      @form_builder = f
    end

    split_open_and_close_on form_string, "</form>"

    super(&block)
  end

  def fields_for(*args, &block)
    insert_tag FieldsForProxy, form_builder, *args, &block
  end

end

class FieldsForProxy < FormBuilderProxy

  def build(form_builder, *args, &block)
    form_builder.fields_for(*args) do |f|
      @form_builder = f
    end

    super(&block)
  end

  def to_s
    children.to_s
  end

end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
arbre-1.0.0.rc4	lib/arbre/rails/forms.rb
arbre-1.0.0.rc3	lib/arbre/rails/forms.rb
arbre-1.0.0.rc2	lib/arbre/rails/forms.rb
arbre-1.0.0.rc1	lib/arbre/rails/forms.rb