bootstrap renderer partial optimalization

renderer.php

	/**
	 * @param \Nette\Templating\FileTemplate $template
	 */
	public function __construct(FileTemplate $template = NULL)
	{
		if ($template === NULL) {
			$template = new FileTemplate();
			$template->registerFilter(new Nette\Latte\Engine());

		} else {
			$template->setParameters(array_fill_keys(array(
				'control', '_control', 'presenter', '_presenter'
			), NULL));
		}

		$this->template = $template;
		$this->template->setFile(__DIR__ . '/@all.latte');
		$this->template->renderer = $this;
	}



	/**
	 * Render the templates
	 *
	 * @param \Nette\Forms\Form $form
	 * @param string $mode
	 * @param array $args
	 * @return void
	 */
	public function render(Nette\Forms\Form $form, $mode = NULL, $args = NULL)
	{
	    //sdump(array($form, $mode, $args, is_object($mode) ? $mode->htmlId : ''));
		if ($this->form !== $form) {
			$this->form = $form;

			// translators
			if ($translator = $this->form->getTranslator()) {
				$this->template->setTranslator($translator);
			}

			// controls placeholders & classes
			foreach ($this->form->getControls() as $control) {
				$this->prepareControl($control);
			}

			$formEl = $form->getElementPrototype();
			if (!($classes = self::getClasses($formEl)) || stripos($classes, 'form-') === FALSE) {
				$formEl->addClass('form-horizontal');
			}

		} elseif ($mode === 'begin') {
			foreach ($this->form->getControls() as $control) {
				/** @var \Nette\Forms\Controls\BaseControl $control */
				$control->setOption('rendered', FALSE);
			}
		}

		$this->template->form = $this->form;
		$this->template->_form = $this->form;

		if ($mode === NULL) {
			if ($args) {
				$this->form->getElementPrototype()->addAttributes($args);
			}
			$this->template->render();

		} elseif ($mode === 'begin') {
			FormMacros::renderFormBegin($this->form, (array)$args);

		} elseif ($mode === 'end') {
			FormMacros::renderFormEnd($this->form);

		} else {
			$this->template->mode = $mode;
			$this->template->render();
		}
	}