/**
* Render the presentation and return the result.
*
* @param AgaviTemplateLayer The template layer to render.
* @param array The template variables.
* @param array The slots.
* @param array Associative array of additional assigns.
*
* @return string A rendered result.
*
* @author David Zülke <*****@*****.**>
* @since 1.0.6
*/
public function render(AgaviTemplateLayer $layer, array &$attributes = array(), array &$slots = array(), array &$moreAssigns = array())
{
$twig = $this->getEngine();
$path = $layer->getResourceStreamIdentifier();
if ($layer instanceof AgaviFileTemplateLayer) {
$pathinfo = pathinfo($path);
// set the directory the template is in as the first path to load from, and the directory set on the layer second
// that way, including another template inside this template will look at e.g. a locale subdirectory first before falling back to the originally defined folder
$paths = array($pathinfo['dirname'], $layer->getParameter('directory'));
// also allow loading from the main template dir by default, and any other directories the user has set through configuration
foreach ((array) $this->getParameter('template_dirs', array(AgaviConfig::get('core.template_dir'))) as $dir) {
$paths[] = $dir;
}
$twig->setLoader(new Twig_Loader_Filesystem($paths));
$source = $pathinfo['basename'];
} else {
// a stream template or whatever; either way, it's something Twig can't load directly :S
$twig->setLoader(new Twig_Loader_String());
$source = file_get_contents($path);
}
$template = $twig->loadTemplate($source);
$data = array();
// template vars
if ($this->extractVars) {
foreach ($attributes as $name => $value) {
$data[$name] = $value;
}
} else {
$data[$this->varName] = $attributes;
}
// slots
$data[$this->slotsVarName] = $slots;
// dynamic assigns (global ones were set in getEngine())
$finalMoreAssigns = self::buildMoreAssigns($moreAssigns, $this->moreAssignNames);
foreach ($finalMoreAssigns as $key => $value) {
$data[$key] = $value;
}
return $template->render($data);
}
