public function testClassSelection()
{
$doc = new XmlCompactDocument();
$doc->load(self::samplesDir() . 'custom/runtime/itemsubset.xml');
$iterator = new QtiComponentIterator($doc->getDocumentComponent(), array('responseProcessing'));
$i = 0;
foreach ($iterator as $responseProcessing) {
$this->assertEquals($iterator->key(), 'responseProcessing');
$i++;
}
$this->assertEquals(7, $i);
}
/**
* Seek for the position of $component in the AssessmentTest tree.
*
* @param QtiComponent $component A QtiComponent object which is supposed to be in the AssessmentTest tree.
* @return integer The position of $component in the AssessmentTest tree.
* @throws OutOfBoundsException If no such $component could be found in the AssessmentTest tree.
*/
public function seekPosition(QtiComponent $component)
{
if (($position = $this->getPositionFromComponentStore($component)) !== false) {
// Already explored.
return $position;
}
// We have to find it!
while ($this->iterator->valid() === true) {
$current = $this->iterator->current();
$newPosition = $this->addToComponentStore($current);
$this->iterator->next();
if ($current === $component) {
return $newPosition;
}
}
$class = $component->getQtiClassName();
$msg = "Unable to find the position of a QtiComponent with QTI class '{$class}'.";
throw new OutOfBoundsException($msg);
}
public function beforeSave(QtiComponent $documentComponent, $uri)
{
// Take care of rubricBlock explosion. Transform
// actual rubricBlocks in rubricBlockRefs.
if ($this->mustExplodeRubricBlocks() === true) {
// Get all rubricBlock elements...
$iterator = new QtiComponentIterator($documentComponent, array('rubricBlock'));
$sectionCount = new SplObjectStorage();
foreach ($iterator as $rubricBlock) {
// $section contains the assessmentSection the rubricBlock is related to.
$section = $iterator->parent();
// determine the occurence number of the rubricBlock relative to its section.
if (isset($sectionCount[$section]) === false) {
$sectionCount[$section] = 0;
}
$sectionCount[$section] = $sectionCount[$section] + 1;
$occurence = $sectionCount[$section];
// determine a suitable file name for the external rubricBlock definition.
$rubricBlockRefId = 'RB_' . $section->getIdentifier() . '_' . $occurence;
$href = './rubricBlock_' . $rubricBlockRefId . '.xml';
$doc = new XmlDocument();
$doc->setDocumentComponent($rubricBlock);
try {
$pathinfo = pathinfo($uri);
$doc->save($pathinfo['dirname'] . DIRECTORY_SEPARATOR . $href);
// replace the rubric block with a reference.
$sectionRubricBlocks = $section->getRubricBlocks();
$sectionRubricBlocks->remove($rubricBlock);
$sectionRubricBlockRefs = $section->getRubricBlockRefs();
$sectionRubricBlockRefs[] = new RubricBlockRef($rubricBlockRefId, $href);
} catch (XmlStorageException $e) {
$msg = "An error occured while creating external rubrickBlock definition(s).";
throw new XmlStorageException($msg, $e);
}
}
}
}
/**
* @see \qtism\data\storage\xml\XmlDocument::beforeSave()
*/
public function beforeSave(QtiComponent $documentComponent, $uri)
{
// Take care of rubricBlock explosion. Transform actual rubricBlocks in rubricBlockRefs.
if ($this->mustExplodeRubricBlocks() === true) {
// Get all rubricBlock elements...
$iterator = new QtiComponentIterator($documentComponent, array('rubricBlock'));
$sectionCount = new SplObjectStorage();
foreach ($iterator as $rubricBlock) {
// $section contains the assessmentSection the rubricBlock is related to.
$section = $iterator->parent();
// determine the occurence number of the rubricBlock relative to its section.
if (isset($sectionCount[$section]) === false) {
$sectionCount[$section] = 0;
}
$sectionCount[$section] = $sectionCount[$section] + 1;
$occurence = $sectionCount[$section];
// determine a suitable file name for the external rubricBlock definition.
$rubricBlockRefId = 'RB_' . $section->getIdentifier() . '_' . $occurence;
$href = './rubricBlock_' . $rubricBlockRefId . '.xml';
$doc = new XmlDocument();
$doc->setDocumentComponent($rubricBlock);
try {
$pathinfo = pathinfo($uri);
$doc->save($pathinfo['dirname'] . DIRECTORY_SEPARATOR . $href);
// replace the rubric block with a reference.
$sectionRubricBlocks = $section->getRubricBlocks();
$sectionRubricBlocks->remove($rubricBlock);
$sectionRubricBlockRefs = $section->getRubricBlockRefs();
$sectionRubricBlockRefs[] = new RubricBlockRef($rubricBlockRefId, $href);
} catch (XmlStorageException $e) {
$msg = "An error occured while creating external rubrickBlock definition(s).";
throw new XmlStorageException($msg, XmlStorageException::UNKNOWN, $e);
}
}
}
// Take care of testFeedback explosion. Transform actual testFeedbacks in testFeedbackRefs.
if ($this->mustExplodeTestFeedbacks() === true) {
$iterator = new QtiComponentIterator($documentComponent, array('testFeedback'));
$testPartCount = new SplObjectStorage();
$testCount = 0;
foreach ($iterator as $testFeedback) {
$parent = $iterator->parent();
if ($parent instanceof TestPart) {
if (isset($testPartCount[$parent]) === false) {
$testPartCount[$parent] = 0;
}
$testPartCount[$parent] = $testPartCount[$parent] + 1;
$occurence = $testPartCount[$parent];
} else {
// It's a testFeedback related to an assessmentTest.
$testCount += 1;
$occurence = $testCount;
}
$parentId = $parent->getIdentifier();
$href = "./testFeedback_TF_{$parentId}_{$occurence}.xml";
// Generate the document.
$doc = new XmlDocument();
$doc->setDocumentComponent($testFeedback);
try {
$pathinfo = pathinfo($uri);
$doc->save($pathinfo['dirname'] . DIRECTORY_SEPARATOR . $href);
$parent->getTestFeedbacks()->remove($testFeedback);
$testFeedbackRefs = $parent->getTestFeedbackRefs();
$testFeedbackRefs[] = new TestFeedbackRef($testFeedback->getIdentifier(), $testFeedback->getOutcomeIdentifier(), $testFeedback->getAccess(), $testFeedback->getShowHide(), $href);
} catch (XmlStorageException $e) {
$msg = "An error occured while creating external testFeedback definition(s).";
throw new XmlStorageException($msg, XmlStorageException::UNKNOWN, $e);
}
}
}
}
/**
* Resolve include components.
*
* After the item has been loaded using the load or loadFromString method,
* the include components can be resolved by calling this method. Files will
* be included following the rules described by the XInclude specification.
*
* @param boolean $validate Whether or not validate files being included.
* @throws \LogicException If the method is called prior the load or loadFromString method was called.
* @throws \qtism\data\storage\xml\XmlStorageException If an error occured while parsing or validating files to be included.
*/
public function xInclude($validate = false)
{
if (($root = $this->getDocumentComponent()) !== false) {
$baseUri = str_replace('\\', '/', $this->getDomDocument()->documentElement->baseURI);
$pathinfo = pathinfo($baseUri);
$basePath = $pathinfo['dirname'];
$iterator = new QtiComponentIterator($root, array('include'));
foreach ($iterator as $include) {
$parent = $iterator->parent();
// Is the parent something we can deal with for replacement?
$reflection = new ReflectionClass($parent);
if ($reflection->hasMethod('getContent') === true && $parent->getContent() instanceof QtiComponentCollection) {
$href = $include->getHref();
if (Url::isRelative($href) === true) {
$href = Url::rtrim($basePath) . '/' . Url::ltrim($href);
$doc = new XmlDocument();
$doc->load($href, $validate);
$includeRoot = $doc->getDocumentComponent();
if ($includeRoot instanceof Flow) {
// Derive xml:base...
$xmlBase = Url::ltrim(str_replace($basePath, '', $href));
$xmlBasePathInfo = pathinfo($xmlBase);
if ($xmlBasePathInfo['dirname'] !== '.') {
$includeRoot->setXmlBase($xmlBasePathInfo['dirname'] . '/');
}
}
$parent->getContent()->replace($include, $includeRoot);
}
}
}
} else {
$msg = "Cannot include fragments prior to loading any file.";
throw new LogicException($msg);
}
}
