Controller.js

(function(){
this.Controller = new Class({ 
  Extends: Framework.Controller,

  options: {
    View: this.View,

    events: [ 
      { el: 'commentField', type: 'focus', view_method: 'expandCommentField' },
      { el: 'commentField', type: 'blur', view_method: 'shrinkCommentField' }
    ]
  }
});
}).apply( ShareFlock.Pages.BlogPosts.Show );

if ( typeof exports == 'undefined' ){
  window.addEvent( 'domready', function(){
    window.blog_posts_show = new ShareFlock.Pages.BlogPosts.Show.Controller( document.getElement( '#blog_posts_show' ) );
  });
}