/**
  * Renders 'control' part of visual row of controls.
  * @return string
  */
 public function renderControl(Nette\Forms\IControl $control)
 {
     $body = $this->getWrapper('control container');
     if ($this->counter % 2) {
         $body->class($this->getValue('control .odd'), TRUE);
     }
     $description = $control->getOption('description');
     if ($description instanceof Html) {
         $description = ' ' . $description;
     } elseif (is_string($description)) {
         $description = ' ' . $this->getWrapper('control description')->setText($control->translate($description));
     } else {
         $description = '';
     }
     if ($control->isRequired()) {
         $description = $this->getValue('control requiredsuffix') . $description;
     }
     $control->setOption('rendered', TRUE);
     $el = $control->getControl();
     if ($el instanceof Html && $el->getName() === 'input') {
         $el->class($this->getValue("control .{$el->type}"), TRUE);
     }
     return $body->setHtml($el . $description . $this->renderErrors($control));
 }