public function transform()
{
$filterChain = OutputFilterChain::getInstance();
// register filter that replaces the token with real live data if filter isn't already registered
// (uses the same filter as htmlheader:gethead-Taglib)
if (!$filterChain->isFilterRegistered('HtmlHeaderOutputFilter')) {
$filter = new HtmlHeaderOutputFilter();
$filter->setContext($this->getContext());
$filter->setLanguage($this->getLanguage());
$filterChain->prependFilter($filter);
}
// place marker that will be replaced by the output filter
return self::HTML_BODYJS_INDICATOR;
}
/**
* Executes the desired actions and creates the page output.
*
* @param string $namespace Namespace of the templates.
* @param string $template Name of the templates.
*
* @return string The content of the transformed page.
*
* @author Christian Achatz
* @version
* Version 0.1, 20.01.2007<br />
* Version 0.2, 27.01.2007<br />
* Version 0.3, 31.01.2007<br />
* Version 0.4, 03.02.2007 (Added permanent actions)<br />
* Version 0.5, 08.06.2007 (Outsourced URL filtering to generic input filter)<br />
* Version 0.6, 01.07.2007 (Removed permanentpre and permanentpost actions)<br />
* Version 0.7, 29.09.2007 (Added further benchmark tags)<br />
* Version 0.8, 21.06.2008 (Introduced Registry to retrieve URLRewrite configuration)<br />
* Version 0.9, 13.10.2008 (Removed $URLRewriting parameter, because URL rewriting must be configured in the registry)<br />
* Version 1.0, 11.12.2008 (Switched to the new input filter concept)<br />
*/
public function start($namespace, $template)
{
// check if the context is set. If not, use the current namespace
$context = $this->getContext();
if (empty($context)) {
$this->setContext($namespace);
}
// Create request and response implementations for OO abstraction
$request = $this->getRequest();
$response = $this->getResponse();
$response->setContentType('text/html; charset=' . Registry::retrieve('APF\\core', 'Charset'));
// apply input filter to process request
$request = InputFilterChain::getInstance()->filter($request);
// execute pre page create actions (see timing model)
$this->runActions(Action::TYPE_PRE_PAGE_CREATE);
// create new page
$page = new Page();
// set context
$page->setContext($this->getContext());
// set language
$page->setLanguage($this->getLanguage());
// load desired design
$page->loadDesign($namespace, $template);
// execute actions before transformation (see timing model)
$this->runActions(Action::TYPE_PRE_TRANSFORM);
// transform page and apply to response
$response->setBody(OutputFilterChain::getInstance()->filter($page->transform()));
// execute actions after page transformation (see timing model)
$this->runActions(Action::TYPE_POST_TRANSFORM);
return $response;
}
