/**
* Unmarshall a DOMElement object corresponding to an XHTML table element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A Table object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$tbodyElts = self::getChildElementsByTagName($element, 'tbody');
if (count($tbodyElts) > 0) {
$tbodies = new TbodyCollection();
foreach ($tbodyElts as $tbodyElt) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($tbodyElt);
$tbodies[] = $marshaller->unmarshall($tbodyElt);
}
$component = new Table($tbodies);
if (($summary = self::getDOMElementAttributeAs($element, 'summary')) !== null) {
$component->setSummary($summary);
}
if (($xmlBase = self::getXmlBase($element)) !== false) {
$component->setXmlBase($xmlBase);
}
$captionElts = self::getChildElementsByTagName($element, 'caption');
if (count($captionElts) > 0) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($captionElts[0]);
$component->setCaption($marshaller->unmarshall($captionElts[0]));
}
$colElts = self::getChildElementsByTagName($element, 'col');
if (count($colElts) > 0) {
$cols = new ColCollection();
foreach ($colElts as $c) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($c);
$cols[] = $marshaller->unmarshall($c);
}
$component->setCols($cols);
}
$colgroupElts = self::getChildElementsByTagName($element, 'colgroup');
if (count($colgroupElts) > 0) {
$colgroups = new ColgroupCollection();
foreach ($colgroupElts as $c) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($c);
$colgroups[] = $marshaller->unmarshall($c);
}
$component->setColgroups($colgroups);
}
$theadElts = self::getChildElementsByTagName($element, 'thead');
if (count($theadElts) > 0) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($theadElts[0]);
$component->setThead($marshaller->unmarshall($theadElts[0]));
}
$tfootElts = self::getChildElementsByTagName($element, 'tfoot');
if (count($tfootElts) > 0) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($tfootElts[0]);
$component->setTfoot($marshaller->unmarshall($tfootElts[0]));
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "A 'table' element must contain at lease one 'tbody' element.";
throw new UnmarshallingException($msg, $element);
}
}
