class SimpleForm::Wrappers::Many

on demand on input generation.
It may optionally receive a namespace, allowing it to be configured
`Many` represents a wrapper around several components at the same time.
need to modify the code only to wrap input in an extra tag.
This API allows inputs/components to be easily wrapped, removing the
A component may either be a symbol or any object that responds to ‘render`.
A wrapper is an object that holds several components and render them.

def find(name) 

def find(name)
  return self if namespace == name
  @components.each do |c|
    if c.is_a?(Symbol)
      return nil if c == namespace
    elsif value = c.find(name)
      return value
    end
  end
  nil
end

def html_classes(input, options) 

def html_classes(input, options)
  @defaults[:class].dup
end

def initialize(namespace, components, defaults={}) 

def initialize(namespace, components, defaults={})
  @namespace  = namespace
  @components = components
  @defaults   = defaults
  @defaults[:tag]   = :div unless @defaults.key?(:tag)
  @defaults[:class] = Array.wrap(@defaults[:class])
end

def render(input) 

def render(input)
  content = "".html_safe
  options = input.options
  components.each do |component|
    next if options[component] == false
    rendered = component.respond_to?(:render) ? component.render(input) : input.send(component)
    content.safe_concat rendered.to_s if rendered
  end
  wrap(input, options, content)
end

def wrap(input, options, content) 

def wrap(input, options, content)
  return content if options[namespace] == false
  tag = (namespace && options[:"#{namespace}_tag"]) || @defaults[:tag]
  return content unless tag
  klass = html_classes(input, options)
  opts  = options[:"#{namespace}_html"] || {}
  opts[:class] = (klass << opts[:class]).join(' ').strip unless klass.empty?
  input.template.content_tag(tag, content, opts)
end