protected function getTemplateQtiVariables()
{
$nsMarkup = 'html5';
$variables = parent::getTemplateQtiVariables();
$variables['libraries'] = $this->libraries;
$variables['serializedProperties'] = $this->serializePciProperties($this->properties, self::NS_NAME);
$variables['entryPoint'] = $this->entryPoint;
$variables['typeIdentifier'] = $this->typeIdentifier;
$variables['markup'] = preg_replace('/<(\\/)?([^!])/', '<$1' . $nsMarkup . ':$2', $variables['markup']);
$this->getRelatedItem()->addNamespace($nsMarkup, $nsMarkup);
return $variables;
}
/**
* Parse and load xinclude located in custom element markup
*
* @param CustomInteraction $customElement
* @return array
* @throws XIncludeException when the file in href cannot be resolved
* @throws ParsingException when the markup cannot be loaded as xml document
*/
private function parseCustomElementMarkup(CustomInteraction $customElement)
{
$xincludes = array();
$xml = new DOMDocument();
$xml->formatOutput = true;
$loadSuccess = $xml->loadXML($customElement->getMarkup());
$node = $xml->documentElement;
if ($loadSuccess && !is_null($node)) {
$parser = new ParserFactory($xml);
$xincludesNodes = $parser->queryXPath(".//*[name(.)='include']");
foreach ($xincludesNodes as $xincludeNode) {
$href = $xincludeNode->getAttribute('href');
$asset = $this->resolver->resolve($href);
$filePath = $asset->getMediaSource()->download($asset->getMediaIdentifier());
if (file_exists($filePath)) {
$fileContent = file_get_contents($filePath);
$xmlInclude = new DOMDocument();
$xmlInclude->formatOutput = true;
$xmlInclude->loadXML($fileContent);
foreach ($xmlInclude->documentElement->childNodes as $node) {
$importNode = $xml->importNode($node, true);
$xincludeNode->parentNode->insertBefore($importNode, $xincludeNode);
}
} else {
throw new XIncludeException('The file referenced by href does not exist : ' . $href, $xincludeNode);
}
$xincludeNode->parentNode->removeChild($xincludeNode);
$xincludes[] = $href;
}
} else {
throw new ParsingException('cannot parse pci markup');
}
$customElement->setMarkup($xml->saveXML());
return $xincludes;
}
