.inputs
  = f.input :permission, :collection => GroupPermission::PERMISSION_TYPES, :label => t('group_permissions.form.permission.label'), :hint => conditional_hint('group_permissions.form.permission.hint'), :include_blank => false
  = f.input :target_group_id, :collection => Group.all.collect, :label => t('group_permissions.form.target_group_id.label'), :hint => conditional_hint('group_permissions.form.target_group_id.hint'), :include_blank => false