@(value: String = "", prefix: String = "", mini: Boolean = true, style: String = "")(body: Html)
<div class="btn-group"@if(style.nonEmpty){ style="@style"}>
  <button class="btn dropdown-toggle@if(mini){ btn-mini}" data-toggle="dropdown">
    @if(value.isEmpty){
      <i class="icon-cog"></i>
    } else {
      @if(prefix.nonEmpty){
        <span class="muted">@prefix:</span>
      }
      <span class="strong">@value</span>
    }
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu">
    @body
  </ul>
</div>