hack to use Play 2.2 form helper with Bootstrap 3

bootstrapFieldConstructor.scala.html

@(elements: views.html.helper.FieldElements)

@**************************************************
* Generate input according twitter bootsrap rules *
**************************************************@

<div class="input-group @elements.args.get('_class) @if(elements.hasErrors) {has-error}" id="@elements.args.get('_id).getOrElse(elements.id + "_field")">
  <label class="sr-only" for="@elements.id">@elements.label(elements.lang)</label>
    @elements.input
    <div class="control-label" for="@elements.id">@elements.errors(elements.lang).mkString(", ")</div>
</div>

package.scala

package views.html.helper

import views.html.helper.bootstrap.bootstrapFieldConstructor

package object twitterBootstrap3 {
  implicit val twitterBootstrapField = new FieldConstructor {
    def apply(elts: FieldElements) = bootstrapFieldConstructor(elts)
  }
}

paste

@import helper.twitterBootstrap3._

Put bootstrapFieldConstructor.scala.html and package.scala in app/views/helper/bootstrap and paste the one-liner into the scala template that creates the form