/**
* Initialises this item using data from an XML node.
* @param DOMElement $node The node to use for initialisation.
* @param CqQuestionInterface $context The question or other object that the mapping
* can query for things like the current answer, draggables and hotspots.
*/
public function __construct(DOMElement $node, $context)
{
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
if ($node) {
$attribs = $node->attributes;
if ($attribs) {
$item = $attribs->getNamedItem('identifier');
if ($item === NULL) {
$item = $attribs->getNamedItem('id');
}
if ($item === NULL) {
$item = $attribs->getNamedItem('name');
}
if ($item !== NULL) {
$this->identifier = $item->nodeValue;
}
$item = $attribs->getNamedItem('src');
if ($item !== NULL) {
$this->imgSrc = $item->nodeValue;
}
$item = $attribs->getNamedItem('class');
if ($item !== NULL) {
$this->cssClass = $item->nodeValue;
}
}
$this->text = cq_get_text_content($node, $context);
}
}
/**
* Creates a new CqOption.
*
* @param DOMElement $node
* containing the option definition
* @param CqQuestionInterface $context
* CqQuestionInterface The question or other object that the mapping can query for
* things like the current answer, draggables, hotspots and the parsing of
* html.
*/
public function __construct(DOMElement $node, $context)
{
foreach ($node->getElementsByTagName('choice') as $choice) {
$this->text .= cq_get_text_content($choice, $context);
}
foreach ($node->getElementsByTagName('description') as $description) {
$this->description .= cq_get_text_content($description, $context);
}
foreach ($node->getElementsByTagName('feedback') as $fb) {
$this->feedback[] = CqFeedback::newCqFeedback($fb, $context);
}
foreach ($node->getElementsByTagName('feedbackunselected') as $fb) {
$this->feedbackUnselected[] = CqFeedback::newCqFeedback($fb, $context);
}
$attribs = $node->attributes;
$item = $attribs->getNamedItem('correct');
if ($item !== NULL) {
$this->correct = (int) $item->value;
}
$item = $attribs->getNamedItem('identifier');
if ($item === NULL) {
$item = $attribs->getNamedItem('id');
}
if ($item === NULL) {
$item = $attribs->getNamedItem('name');
}
if ($item !== NULL) {
$this->identifier = $item->nodeValue;
}
}
/**
* Initialise this Trigger by using values from the given XML node.
*
* @param $node
* DOMElement The node to use for initialisation.
* @param $context
* CqQuestionInterface The question or other object that the mapping can query for
* things like the current answer, draggables, hotspots and the parsing of
* html.
*/
public function initFromNode($node, $context)
{
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
$this->context = $context;
$this->text .= cq_get_text_content($node, $context, TRUE, TRUE);
$attribs = $node->attributes;
$itemMin = $attribs->getNamedItem('min');
if ($itemMin !== NULL) {
$this->min = (double) $itemMin->value;
}
$itemMax = $attribs->getNamedItem('max');
if ($itemMax !== NULL) {
$this->max = (double) $itemMax->value;
}
}
/**
* Creates a new CqInlineOption
*
* @param DOMElement $node
* The XML node to use to initialise the option.
* @param CqQuestionInterface $context
* The question or other object that the item can query for things like the
* current answer, draggables, hotspots and html processing.
*/
public function __construct(DOMElement $node, $context)
{
$this->text .= cq_get_text_content($node, $context);
$attribs = $node->attributes;
$item = $attribs->getNamedItem('identifier');
if ($item === NULL) {
$item = $attribs->getNamedItem('id');
}
if ($item === NULL) {
$item = $attribs->getNamedItem('name');
}
if ($item !== NULL) {
$this->identifier = $item->nodeValue;
}
$item = $attribs->getNamedItem('group');
if ($item !== NULL && !empty($item->nodeValue)) {
$this->group = $item->nodeValue;
}
}
/**
* Factory method for creating hotspot classes from XML DOMElements
*
* @param DOMElement $node
* The XML element representing the hotspot.
* @param CqQuestionInterface $context
* The question or other object that the mapping can query for things like the
* current answer, draggables and hotspots.
*
* @return CqHotspot
* The correct hotspot object.
*/
function cq_Hotspot_from_xml($node, $context)
{
$type = '';
if ($node) {
$type = $node->getAttribute('shape');
$identifier = $node->getAttribute('identifier');
if (empty($identifier)) {
$identifier = $node->getAttribute('id');
}
$coords = $node->getAttribute('coords');
$description = cq_get_text_content($node, $context);
$hotspot = FALSE;
switch (drupal_strtoupper($type)) {
case 'RECT':
$numbers = explode(',', $coords);
$x1 = (int) $numbers[0];
$y1 = (int) $numbers[1];
$x2 = (int) $numbers[2];
$y2 = (int) $numbers[3];
$hotspot = new CqHotspotRect($identifier, $x1, $y1, $x2, $y2);
$hotspot->setDescription($description);
break;
case 'CIRCLE':
$numbers = explode(',', $coords);
$x1 = (int) $numbers[0];
$y1 = (int) $numbers[1];
$radius = (int) $numbers[2];
$hotspot = new CqHotspotCircle($identifier, $x1, $y1, $radius);
$hotspot->setDescription($description);
break;
case 'POLY':
$numbers = explode(',', $coords);
$hotspot = new CqHotspotPoly($identifier, $numbers);
$hotspot->setDescription($description);
break;
default:
drupal_set_message(t('Unknown hotspot type: %type', array('%type' => $type)));
break;
}
}
return $hotspot;
}
/**
* Initialises an existing CqFeedback from an XML node.
*
* @param DOMElement $node
* The node to use for initalisation
* @param CqQuestionInterface $context
* The question or other object that the item can query for things like the
* current answer, draggables, hotspots and html processing.
*/
public function initFromElement(DOMElement $node, $context, $topParent = NULL)
{
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
$this->context =& $context;
$this->topParent =& $topParent;
$this->text .= cq_get_text_content($node, $context, TRUE, TRUE);
$attribs = $node->attributes;
$itemMin = $attribs->getNamedItem('mintries');
if ($itemMin !== NULL) {
$this->minTries = (int) $itemMin->value;
}
$itemMax = $attribs->getNamedItem('maxtries');
if ($itemMax !== NULL) {
$this->maxTries = (int) $itemMax->value;
}
$itemBlock = $attribs->getNamedItem('block');
if ($itemBlock !== NULL) {
$this->block = $itemBlock->value;
}
}
/**
* Constructor for the Range object.
*
* @param DOMElement $node
* The XML node to use for initalisation
* @param <type> $context
* CqQuestionInterface The question or other object that the mapping can query for
* things like the current answer, draggables, hotspots and the parsing of
* html.
*/
public function __construct(DOMElement $node, $context)
{
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
$nodeList = $node->getElementsByTagName('minval');
$item = $nodeList->item(0);
if ($item != NULL) {
$this->minValue = trim(cq_get_text_content($item, $context));
}
$nodeList = $node->getElementsByTagName('maxval');
$item = $nodeList->item(0);
if ($item != NULL) {
$this->maxValue = trim(cq_get_text_content($item, $context));
}
foreach ($node->getElementsByTagName('feedback') as $fb) {
$this->feedback[] = CqFeedback::newCqFeedback($fb, $context);
}
$attribs = $node->attributes;
$item = $attribs->getNamedItem('correct');
if ($item !== NULL) {
$this->correct = (int) $item->value;
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
module_load_include('php', 'closedquestion', 'question/mapping/FactoryHotspot');
$this->hotspots = array();
$this->mappings = array();
$this->hints = array();
$this->draggables = array();
foreach ($dom->childNodes as $node) {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'text':
$this->text = cq_get_text_content($node, $this);
break;
case 'matchimg':
$this->matchImgUrl = $node->getAttribute('src');
$this->matchImgHeight = $node->getAttribute('height');
$this->matchImgWidth = $node->getAttribute('width');
$this->maxChoices = $node->getAttribute('maxChoices');
foreach ($node->childNodes as $child) {
switch (drupal_strtolower($child->nodeName)) {
case 'hotspot':
$hotspot = cq_Hotspot_from_xml($child, $this);
if (is_object($hotspot)) {
if (isset($this->hotspots[$hotspot->getIdentifier()])) {
drupal_set_message(t('Hotspot identifier %identifier used more than once!', array('%identifier' => $hotspot->getIdentifier())), 'warning');
}
$this->hotspots[$hotspot->getIdentifier()] = $hotspot;
}
break;
}
}
break;
case 'mapping':
$map = new CqMapping();
$map->generateFromNode($node, $this);
$this->mappings[] = $map;
break;
case 'hint':
$this->hints[] = CqFeedback::newCqFeedback($node, $this);
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
foreach ($dom->childNodes as $node) {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'text':
$this->text = cq_get_text_content($node, $this);
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
foreach ($dom->childNodes as $node) {
if (in_array($node->nodeName, $this->SECTIONS)) {
$this->parseSection($node);
} else {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'text':
$this->text = cq_get_text_content($node, $this);
break;
case 'hint':
$this->hints[] = CqFeedback::newCqFeedback($node, $this);
break;
case 'correct':
$this->correctFeeback['all'] = CqFeedback::newCqFeedback($node, $this);
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
}
$attribs = $dom->attributes;
$item = $attribs->getNamedItem('inlinefeedback');
if ($item !== NULL) {
$this->inlineFeedback = (int) $item->value;
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
foreach ($dom->childNodes as $node) {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'option':
$this->options[] = new CqOption($node, $this);
break;
case 'text':
$this->text = cq_get_text_content($node, $this);
break;
case 'prompt':
$this->prompt = cq_get_text_content($node, $this);
break;
case 'hint':
$this->hints[] = CqFeedback::newCqFeedback($node, $this);
break;
case 'correct':
$this->correctFeeback = CqFeedback::newCqFeedback($node, $this);
break;
case 'mapping':
// New style mapping, continues at match by default.
$map = new CqMapping();
$map->generateFromNode($node, $this);
if ($node->nodeName == 'sequence') {
$map->setStopIfMatch(TRUE);
}
$this->mappings[] = $map;
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
$attribs = $dom->attributes;
$item = $attribs->getNamedItem('inlinefeedback');
if ($item !== NULL) {
$this->inlineFeedback = (int) $item->value;
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
foreach ($dom->childNodes as $node) {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'option':
case 'item':
$option = new CqOption($node, $this);
if (is_numeric($option->getIdentifier())) {
$this->sections[$option->getIdentifier()] = $option;
$this->selectedBySection[$option->getIdentifier()] = array();
}
if (isset($this->items[$option->getIdentifier()])) {
drupal_set_message(t('Option identifier %identifier used more than once!', array('%identifier' => $option->getIdentifier())), 'warning');
}
$this->items[$option->getIdentifier()] = $option;
break;
case 'sequence':
// Old style sequence, would stop at first match.
// Old style sequence, would stop at first match.
case 'mapping':
// New style mapping, continues at match by default.
$map = new CqMapping();
$map->generateFromNode($node, $this);
if ($node->nodeName == 'sequence') {
$map->setStopIfMatch(TRUE);
}
$this->mappings[] = $map;
break;
case 'text':
$this->text = cq_get_text_content($node, $this);
break;
case 'hint':
$this->hints[] = CqFeedback::newCqFeedback($node, $this);
break;
case 'default':
case 'startstate':
$attribs = $node->attributes;
$item = $attribs->getNamedItem('value');
if ($item !== NULL) {
$this->defaultAnswer = $item->value;
}
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
$attribs = $dom->attributes;
$item = $attribs->getNamedItem('duplicates');
if ($item !== NULL) {
$this->duplicates = (int) $item->value;
}
$item = $attribs->getNamedItem('alignment');
if ($item !== NULL) {
$this->alignment = $item->value;
}
$item = $attribs->getNamedItem('optionheight');
if ($item !== NULL) {
$this->optionHeight = $item->value;
}
$answer = $this->userAnswer->getAnswer();
if (empty($answer)) {
$this->userAnswer->setAnswer($this->defaultAnswer);
}
if (count($this->selectedBySection) == 0) {
// No sections defined, make one.
$this->selectedBySection[1] = array();
}
}
/**
* Overrides CqQuestionAbstract::loadXml()
*/
public function loadXml(DOMElement $dom)
{
parent::loadXml($dom);
module_load_include('inc.php', 'closedquestion', 'lib/XmlLib');
$textNode = NULL;
foreach ($dom->childNodes as $node) {
$name = drupal_strtolower($node->nodeName);
switch ($name) {
case 'inlineoption':
$option = new CqInlineOption($node, $this);
if (isset($this->inlineOptions[$option->getIdentifier()])) {
drupal_set_message(t('Inlineoption identifier %identifier used more than once!', array('%identifier' => $option->getIdentifier())), 'warning');
}
$this->inlineOptions[$option->getIdentifier()] = $option;
$this->inlineOptionsByGroup[$option->getGroup()][$option->getIdentifier()] = $option;
break;
case 'mapping':
$map = new CqMapping();
$map->generateFromNode($node, $this);
$this->mappings[] = $map;
break;
case 'text':
$textNode = $node;
break;
case 'hint':
$this->hints[] = CqFeedback::newCqFeedback($node, $this);
break;
default:
if (!in_array($name, $this->knownElements)) {
drupal_set_message(t('Unknown node: @nodename', array('@nodename' => $node->nodeName)));
}
break;
}
}
if ($textNode != NULL) {
$this->text = cq_get_text_content($textNode, $this);
}
}
/**
* Recursively parse the children of an XML node and return the parts that are
* valid html. The context CqQuestionInterface object can provide a list of node names
* that are not html, but can be turned into html by the context object.
*
* If fullFilter is set, the final html will be filtered through the Drupal
* filter set of the context CqQuestionInterface.
*
* @param DOMNode $parent
* The XML node to parse the children of.
* @param CqQuestionInterface $context
* The question that can supply extra node names to handle, and drupal
* filters.
* @param boolean $fullFilter
* Filter the result also through the drupal content filters?
* @param boolean $delay
* If true, some XML nodes are replaced with a [] tag so they can be
* processed later. This can be used when not all data needed for full
* processing is available yet.
* Important: If delay is TRUE then the text is NOT filtered through the
* drupal content filters untill after a call to cq_replace_tags().
*
* @return string
* The html contained in the node.
*/
function cq_get_text_content($parent, $context, $full_filter = TRUE, $delay = FALSE)
{
$retval = '';
$nodes = $parent->childNodes;
foreach ($nodes as $node) {
switch ($node->nodeName) {
case '#comment':
break;
case '#text':
case '#cdata-section':
$retval .= $node->nodeValue;
break;
case 'formblock':
$retval .= '<formblock/>';
break;
case 'img':
case 'br':
$retval .= '<' . $node->nodeName . ' ' . cq_copy_attributes($node) . '/>';
break;
case 'h1':
case 'h2':
case 'h3':
case 'h4':
case 'h5':
case 'h6':
case 'sub':
case 'sup':
case 'p':
case 'pre':
case 'b':
case 'i':
case 'u':
case 'strong':
case 'em':
case 'table':
case 'a':
case 'tr':
case 'td':
case 'th':
case 'span':
case 'div':
case 'ul':
case 'ol':
case 'dl':
case 'dt':
case 'dd':
case 'li':
$retval .= '<' . $node->nodeName . ' ' . cq_copy_attributes($node) . '>' . cq_get_text_content($node, $context, FALSE, $delay) . '</' . $node->nodeName . '>';
break;
default:
$retval .= $node->nodeValue;
break;
}
foreach ($context->getHandledTags() as $tag) {
if (drupal_strtolower($node->nodeName) == drupal_strtolower($tag)) {
$retval .= $context->handleNode($node, $delay);
}
}
}
if ($full_filter && !$delay) {
$drupal_node = $context->getNode();
$lang = $drupal_node->language;
if (!isset($drupal_node->body[$lang])) {
$lang = 'und';
if (!isset($drupal_node->body[$lang])) {
$langs = array_keys($drupal_node->body);
$lang = $lang[0];
}
}
$retval = check_markup(trim($retval), $drupal_node->body[$lang][0]['format'], FALSE);
}
return $retval;
}
