/**
* Unmarshall a DOMElement object corresponding to a QTI areaMapEntry element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent An AreaMapEntry object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($shape = static::getDOMElementAttributeAs($element, 'shape')) !== null) {
$shape = QtiShape::getConstantByName($shape);
if ($shape !== false) {
if (($coords = static::getDOMElementAttributeAs($element, 'coords')) !== null) {
try {
$coords = Utils::stringToCoords($coords, $shape);
if (($mappedValue = static::getDOMElementAttributeAs($element, 'mappedValue', 'float')) !== null) {
return new AreaMapEntry($shape, $coords, $mappedValue);
} else {
$msg = "The mandatory attribute 'mappedValue' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} catch (Exception $e) {
$msg = "The attribute 'coords' with value '{$coords}' is has an invalid value.";
throw new UnmarshallingException($msg, $element, $e);
}
} else {
$msg = "The mandatory attribute 'coords' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The 'shape' attribute value '{$shape}' is not a valid value to represent QTI shapes.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'shape' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* @see \qtism\data\storage\xml\marshalling\OperatorMarshaller::unmarshallChildrenKnown()
*/
protected function unmarshallChildrenKnown(DOMElement $element, QtiComponentCollection $children)
{
if (($shape = static::getDOMElementAttributeAs($element, 'shape')) !== null) {
if (($coords = static::getDOMElementAttributeAs($element, 'coords')) !== null) {
$shape = QtiShape::getConstantByName($shape);
$coords = Utils::stringToCoords($coords, $shape);
$object = new Inside($children, $shape, $coords);
return $object;
} else {
$msg = "The mandatory attribute 'coords' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'shape' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* Unmarshall a DOMElement object corresponding to a hotspotChoice/associableHotspot element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A HotspotChoice/AssociableHotspot object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
if (($shape = self::getDOMElementAttributeAs($element, 'shape')) !== null) {
if (($coords = self::getDOMElementAttributeAs($element, 'coords')) !== null) {
$shape = QtiShape::getConstantByName($shape);
if ($shape === false) {
$msg = "The value of the mandatory attribute 'shape' is not a value from the 'shape' enumeration.";
throw new UnmarshallingException($msg, $element);
}
try {
$coords = Utils::stringToCoords($coords, $shape);
} catch (UnexpectedValueException $e) {
$msg = "The coordinates 'coords' of element '" . $element->localName . "' are not valid regarding the shape they are bound to.";
throw new UnmarshallingException($msg, $element, $e);
} catch (InvalidArgumentException $e) {
$msg = "The coordinates 'coords' of element '" . $element->localName . "' could not be converted.";
throw new UnmarshallingException($msg, $element, $e);
}
if ($element->localName === 'hotspotChoice') {
$component = new HotspotChoice($identifier, $shape, $coords);
} else {
if (($matchMax = self::getDOMElementAttributeAs($element, 'matchMax', 'integer')) !== null) {
$component = new AssociableHotspot($identifier, $matchMax, $shape, $coords);
} else {
$msg = "The mandatory attribute 'matchMax' is missing from element 'associableHotspot'.";
throw new UnmarshallingException($msg, $element);
}
}
if (($hotspotLabel = self::getDOMElementAttributeAs($element, 'hotspotLabel')) !== null) {
$component->setHotspotLabel($hotspotLabel);
}
if (($fixed = self::getDOMElementAttributeAs($element, 'fixed', 'boolean')) !== null) {
$component->setFixed($fixed);
}
if (($templateIdentifier = self::getDOMElementAttributeAs($element, 'templateIdentifier')) !== null) {
$component->setTemplateIdentifier($templateIdentifier);
}
if (($showHide = self::getDOMElementAttributeAs($element, 'showHide')) !== null) {
if (($showHide = ShowHide::getConstantByName($showHide)) !== false) {
$component->setShowHide($showHide);
} else {
$msg = "The value of the 'showHide' attribute of element '" . $element->localName . "' is not a value from the 'showHide' enumeration.";
throw new UnmarshallingException($msg, $element);
}
}
if ($element->localName === 'associableHotspot') {
if (Version::compare($version, '2.1.0', '<') === true) {
if (($matchGroup = self::getDOMElementAttributeAs($element, 'matchGroup')) !== null) {
$component->setMatchGroup(new IdentifierCollection(explode(" ", $matchGroup)));
}
}
if (Version::compare($version, '2.1.0', '>=') === true) {
if (($matchMin = self::getDOMElementAttributeAs($element, 'matchMin', 'integer')) !== null) {
$component->setMatchMin($matchMin);
}
}
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory attribute 'coords' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'shape' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'identifier' is missing from element '" . $element->localName . "'.";
}
}
