gistfile1.php

<?php

/**
 * This file is part of the Nette Framework (http://nette.org)
 *
 * Copyright (c) 2004, 2011 David Grudl (http://davidgrudl.com)
 *
 * For the full copyright and license information, please view
 * the file license.txt that was distributed with this source code.
 */

namespace Nette\Templates;

use Nette, 
	Nette\Application\Control;



/**
 * Responsible for creating a new instance of template.
 *
 * @author     Patrik Votoček
 */
class TemplateFactory extends Nette\Object implements ITemplateFactory
{

  protected function createInstance() {
    // option 1:
    // allows creating StringTemplateFactory or MySuperFileTemplateFactory by overriding this method
    return new FileTemplate;

    // option 2:
    // allows creating StringTemplateFactory by overriding this method
    //   and default use of MySuperFileTemplateFactory in rest of application
    //   (but needs to handle environment better)
    return Nette\Environment::getContext()->getService('Nette\Templates\ITemplate');
  }

	/**
	 * @param  Nette\Application\Control  application control or presenter
	 * @return ITemplate
	 */
	public function createTemplate(Control $control)
	{
		$template = $this->createInstance();
		$presenter = $control->getPresenter(FALSE);
		$httpRequest = $presenter->getContext()->getService('Nette\\Web\\IHttpRequest');
		$template->onPrepareFilters[] = callback($this, 'templatePrepareFilters');

		// default parameters
		$template->control = $control;
		$template->presenter = $presenter;
		$template->user = $presenter->getContext()->getService('Nette\\Application\\Application');
		$template->baseUri = rtrim($httpRequest->getUri()->getBaseUri(), '/');
		$template->basePath = preg_replace('#https?://[^/]+#A', '', $template->baseUri);

		// flash message
		if ($presenter !== NULL && $presenter->hasFlashSession()) {
			$id = $control->getParamId('flash');
			$template->flashes = $presenter->getFlashSession()->$id;
		}
		if (!isset($template->flashes) || !is_array($template->flashes)) {
			$template->flashes = array();
		}

		// default helpers
		$template->registerHelper('escape', 'Nette\Templates\TemplateHelpers::escapeHtml');
		$template->registerHelper('escapeUrl', 'rawurlencode');
		$template->registerHelper('stripTags', 'strip_tags');
		$template->registerHelper('nl2br', 'nl2br');
		$template->registerHelper('substr', 'iconv_substr');
		$template->registerHelper('repeat', 'str_repeat');
		$template->registerHelper('replaceRE', 'Nette\String::replace');
		$template->registerHelper('implode', 'implode');
		$template->registerHelper('number', 'number_format');
		$template->registerHelperLoader('Nette\Templates\TemplateHelpers::loader');

		return $template;
	}



	/**
	 * Descendant can override this method to customize template compile-time filters.
	 * @param  Template
	 * @return void
	 */
	public function templatePrepareFilters(Template $template)
	{
		// default filters
		$template->registerFilter(new LatteFilter);
	}

}