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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2013-2022 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | */ |
| 20 | |
| 21 | namespace oat\taoQtiItem\model\qti; |
| 22 | |
| 23 | use oat\taoQtiItem\model\qti\Element; |
| 24 | use oat\taoQtiItem\model\qti\container\Container; |
| 25 | use oat\taoQtiItem\model\qti\exception\UnsupportedQtiElement; |
| 26 | use oat\taoQtiItem\model\qti\exception\ParsingException; |
| 27 | use oat\taoQtiItem\model\qti\container\ContainerInteractive; |
| 28 | use oat\taoQtiItem\model\qti\container\ContainerItemBody; |
| 29 | use oat\taoQtiItem\model\qti\container\ContainerGap; |
| 30 | use oat\taoQtiItem\model\qti\container\ContainerHottext; |
| 31 | use oat\taoQtiItem\model\qti\Item; |
| 32 | use oat\taoQtiItem\model\qti\response\Custom; |
| 33 | use oat\taoQtiItem\model\qti\interaction\BlockInteraction; |
| 34 | use oat\taoQtiItem\model\qti\interaction\ObjectInteraction; |
| 35 | use oat\taoQtiItem\model\qti\interaction\CustomInteraction; |
| 36 | use oat\taoQtiItem\model\qti\interaction\PortableCustomInteraction; |
| 37 | use oat\taoQtiItem\model\CustomInteractionRegistry; |
| 38 | use oat\taoQtiItem\model\qti\InfoControl; |
| 39 | use oat\taoQtiItem\model\qti\PortableInfoControl; |
| 40 | use oat\taoQtiItem\model\InfoControlRegistry; |
| 41 | use oat\taoQtiItem\model\qti\choice\ContainerChoice; |
| 42 | use oat\taoQtiItem\model\qti\choice\TextVariableChoice; |
| 43 | use oat\taoQtiItem\model\qti\choice\GapImg; |
| 44 | use oat\taoQtiItem\model\qti\response\interactionResponseProcessing\None; |
| 45 | use oat\taoQtiItem\model\qti\ResponseDeclaration; |
| 46 | use oat\taoQtiItem\model\qti\OutcomeDeclaration; |
| 47 | use oat\taoQtiItem\model\qti\response\Template; |
| 48 | use oat\taoQtiItem\model\qti\exception\UnexpectedResponseProcessing; |
| 49 | use oat\taoQtiItem\model\qti\response\TemplatesDriven; |
| 50 | use oat\taoQtiItem\model\qti\response\TakeoverFailedException; |
| 51 | use oat\taoQtiItem\model\qti\response\Summation; |
| 52 | use oat\taoQtiItem\model\qti\expression\ExpressionParserFactory; |
| 53 | use oat\taoQtiItem\model\qti\response\SimpleFeedbackRule; |
| 54 | use oat\taoQtiItem\model\qti\QtiObject; |
| 55 | use oat\taoQtiItem\model\qti\Img; |
| 56 | use oat\taoQtiItem\model\qti\Math; |
| 57 | use oat\taoQtiItem\model\qti\XInclude; |
| 58 | use oat\taoQtiItem\model\qti\Stylesheet; |
| 59 | use oat\taoQtiItem\model\qti\RubricBlock; |
| 60 | use oat\taoQtiItem\model\qti\container\ContainerFeedbackInteractive; |
| 61 | use oat\taoQtiItem\model\qti\container\ContainerStatic; |
| 62 | use DOMDocument; |
| 63 | use DOMXPath; |
| 64 | use DOMElement; |
| 65 | use common_Logger; |
| 66 | use SimpleXMLElement; |
| 67 | use oat\oatbox\service\ServiceManager; |
| 68 | use oat\taoQtiItem\model\portableElement\model\PortableModelRegistry; |
| 69 | use oat\oatbox\log\LoggerAwareTrait; |
| 70 | |
| 71 | /** |
| 72 | * The ParserFactory provides some methods to build the QTI_Data objects from an |
| 73 | * element. |
| 74 | * SimpleXML is used as source to build the model. |
| 75 | * |
| 76 | * @access public |
| 77 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 78 | * @package taoQTI |
| 79 | */ |
| 80 | class ParserFactory |
| 81 | { |
| 82 | use LoggerAwareTrait; |
| 83 | |
| 84 | protected $data = null; |
| 85 | /** @var \oat\taoQtiItem\model\qti\Item */ |
| 86 | protected $item = null; |
| 87 | protected $attributeMap = ['lang' => 'xml:lang']; |
| 88 | |
| 89 | public function __construct(DOMDocument $data) |
| 90 | { |
| 91 | $this->data = $data; |
| 92 | $this->xpath = new DOMXPath($data); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * @param \oat\taoQtiItem\model\qti\Item $item |
| 97 | */ |
| 98 | public function setItem(Item $item) |
| 99 | { |
| 100 | $this->item = $item; |
| 101 | } |
| 102 | |
| 103 | public function load() |
| 104 | { |
| 105 | |
| 106 | $item = null; |
| 107 | |
| 108 | if (!is_null($this->data)) { |
| 109 | $item = $this->buildItem($this->data->documentElement); |
| 110 | } |
| 111 | |
| 112 | return $item; |
| 113 | } |
| 114 | |
| 115 | protected function saveXML(DOMElement $data) |
| 116 | { |
| 117 | return $data->ownerDocument->saveXML($data); |
| 118 | } |
| 119 | |
| 120 | |
| 121 | /** |
| 122 | * Get the body data (markups) of an element. |
| 123 | * @param \DOMElement $data the element |
| 124 | * @param boolean $removeNamespace if XML namespaces should be removed |
| 125 | * @param boolean $keepEmptyTags if true, the empty tags are kept expanded (useful when tags are HTML) |
| 126 | * @return string the body data (XML markup) |
| 127 | */ |
| 128 | public function getBodyData(DOMElement $data, $removeNamespace = false, $keepEmptyTags = false) |
| 129 | { |
| 130 | |
| 131 | //prepare the data string |
| 132 | $bodyData = ''; |
| 133 | $saveOptions = $keepEmptyTags ? LIBXML_NOEMPTYTAG : 0; |
| 134 | |
| 135 | $children = $data->childNodes; |
| 136 | |
| 137 | foreach ($children as $child) { |
| 138 | $bodyData .= $data->ownerDocument->saveXML($child, $saveOptions); |
| 139 | } |
| 140 | |
| 141 | if ($removeNamespace) { |
| 142 | $bodyData = preg_replace('/<(\/)?(\w*):/i', '<$1', $bodyData); |
| 143 | } |
| 144 | |
| 145 | return $bodyData; |
| 146 | } |
| 147 | |
| 148 | protected function replaceNode(DOMElement $node, Element $element) |
| 149 | { |
| 150 | $placeholder = $this->data->createTextNode($element->getPlaceholder()); |
| 151 | $node->parentNode->replaceChild($placeholder, $node); |
| 152 | } |
| 153 | |
| 154 | protected function deleteNode(DOMElement $node) |
| 155 | { |
| 156 | $node->parentNode->removeChild($node); |
| 157 | } |
| 158 | |
| 159 | public function queryXPath($query, DOMElement $contextNode = null) |
| 160 | { |
| 161 | if (is_null($contextNode)) { |
| 162 | return $this->xpath->query($query); |
| 163 | } else { |
| 164 | return $this->xpath->query($query, $contextNode); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | public function queryXPathChildren($paths = [], DOMElement $contextNode = null, $ns = '') |
| 169 | { |
| 170 | $query = '.'; |
| 171 | $ns = empty($ns) ? '' : $ns . ':'; |
| 172 | foreach ($paths as $path) { |
| 173 | $query .= "/*[name(.)='" . $ns . $path . "']"; |
| 174 | } |
| 175 | |
| 176 | return $this->queryXPath($query, $contextNode); |
| 177 | } |
| 178 | |
| 179 | public function loadContainerStatic(DOMElement $data, Container $container) |
| 180 | { |
| 181 | $this->parseContainerStatic($data, $container); |
| 182 | } |
| 183 | |
| 184 | protected function parseContainerStatic(DOMElement $data, Container $container) |
| 185 | { |
| 186 | //initialize elements array to collect all QTI elements |
| 187 | $bodyElements = []; |
| 188 | |
| 189 | //parse for feedback elements |
| 190 | //warning: parse feedback elements before any other because feedback may contain them! |
| 191 | $feedbackNodes = $this->queryXPath( |
| 192 | ".//*[not(ancestor::feedbackBlock) and not(ancestor::feedbackInline) and contains(name(.), 'feedback')]", |
| 193 | $data |
| 194 | ); |
| 195 | |
| 196 | foreach ($feedbackNodes as $feedbackNode) { |
| 197 | $feedback = $this->buildFeedback($feedbackNode); |
| 198 | if (!is_null($feedback)) { |
| 199 | $bodyElements[$feedback->getSerial()] = $feedback; |
| 200 | $this->replaceNode($feedbackNode, $feedback); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // parse for QTI elements within item body |
| 205 | |
| 206 | // parse the remaining tables, those that does not contain any interaction. |
| 207 | //warning: parse table elements before any other because table may contain them! |
| 208 | $tableNodes = $this->queryXPath(".//*[not(ancestor::*[name()='table']) and name()='table']", $data); |
| 209 | foreach ($tableNodes as $tableNode) { |
| 210 | $table = $this->buildTable($tableNode); |
| 211 | if (!is_null($table)) { |
| 212 | $bodyElements[$table->getSerial()] = $table; |
| 213 | $this->replaceNode($tableNode, $table); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | $figureNodes = $this->queryXPath(".//*[name(.)='" . $this->getHTML5Namespace() . "figure']", $data); |
| 218 | foreach ($figureNodes as $figureNode) { |
| 219 | $figure = $this->buildFigure($figureNode); |
| 220 | if (!is_null($figure)) { |
| 221 | $bodyElements[$figure->getSerial()] = $figure; |
| 222 | $this->replaceNode($figureNode, $figure); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | $tooltipNodes = $this->queryXPath(".//*[@data-role='tooltip-target']", $data); |
| 227 | foreach ($tooltipNodes as $tooltipNode) { |
| 228 | $tooltip = $this->buildTooltip($tooltipNode, $data); |
| 229 | if (!is_null($tooltip)) { |
| 230 | $bodyElements[$tooltip->getSerial()] = $tooltip; |
| 231 | |
| 232 | $this->replaceNode($tooltipNode, $tooltip); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | $objectNodes = $this->queryXPath(".//*[name(.)='object']", $data); |
| 237 | foreach ($objectNodes as $objectNode) { |
| 238 | if (!in_array('object', $this->getAncestors($objectNode))) { |
| 239 | $object = $this->buildObject($objectNode); |
| 240 | if (!is_null($object)) { |
| 241 | $bodyElements[$object->getSerial()] = $object; |
| 242 | |
| 243 | $this->replaceNode($objectNode, $object); |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | $imgNodes = $this->queryXPath(".//*[name(.)='img']", $data); |
| 249 | foreach ($imgNodes as $imgNode) { |
| 250 | $img = $this->buildImg($imgNode); |
| 251 | if (!is_null($img)) { |
| 252 | $bodyElements[$img->getSerial()] = $img; |
| 253 | |
| 254 | $this->replaceNode($imgNode, $img); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | $figCaptionNodes = $this->queryXPath(".//*[name(.)='" . $this->getHTML5Namespace() . "figcaption']", $data); |
| 259 | foreach ($figCaptionNodes as $figCaptionNode) { |
| 260 | $figCaption = $this->buildFigCaption($figCaptionNode); |
| 261 | if (!is_null($figCaption)) { |
| 262 | $bodyElements[$figCaption->getSerial()] = $figCaption; |
| 263 | |
| 264 | $this->replaceNode($figCaptionNode, $figCaption); |
| 265 | } |
| 266 | //should be no more then one |
| 267 | break; |
| 268 | } |
| 269 | |
| 270 | $ns = $this->getMathNamespace(); |
| 271 | $ns = empty($ns) ? '' : $ns . ':'; |
| 272 | $mathNodes = $this->queryXPath(".//*[name(.)='" . $ns . "math']", $data); |
| 273 | foreach ($mathNodes as $mathNode) { |
| 274 | $math = $this->buildMath($mathNode); |
| 275 | if (!is_null($math)) { |
| 276 | $bodyElements[$math->getSerial()] = $math; |
| 277 | $this->replaceNode($mathNode, $math); |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | $ns = $this->getXIncludeNamespace(); |
| 282 | $ns = empty($ns) ? '' : $ns . ':'; |
| 283 | $xincludeNodes = $this->queryXPath(".//*[name(.)='" . $ns . "include']", $data); |
| 284 | foreach ($xincludeNodes as $xincludeNode) { |
| 285 | $include = $this->buildXInclude($xincludeNode); |
| 286 | if (!is_null($include)) { |
| 287 | $bodyElements[$include->getSerial()] = $include; |
| 288 | $this->replaceNode($xincludeNode, $include); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | $printedVariableNodes = $this->queryXPath(".//*[name(.)='printedVariable']", $data); |
| 293 | foreach ($printedVariableNodes as $printedVariableNode) { |
| 294 | throw new UnsupportedQtiElement($printedVariableNode); |
| 295 | } |
| 296 | |
| 297 | $templateNodes = $this->queryXPath(".//*[name(.)='templateBlock'] | *[name(.)='templateInline']", $data); |
| 298 | foreach ($templateNodes as $templateNode) { |
| 299 | throw new UnsupportedQtiElement($templateNode); |
| 300 | } |
| 301 | |
| 302 | //finally, add all body elements to the body |
| 303 | $bodyData = $this->getBodyData($data); |
| 304 | //there use to be $bodyData = ItemAuthoring::cleanHTML($bodyData); there |
| 305 | |
| 306 | if (empty($bodyElements)) { |
| 307 | $container->edit($bodyData); |
| 308 | } elseif (!$container->setElements($bodyElements, $bodyData)) { |
| 309 | throw new ParsingException('Cannot set elements to the static container'); |
| 310 | } |
| 311 | |
| 312 | return $data; |
| 313 | } |
| 314 | |
| 315 | protected function getAncestors(DOMElement $data, $topNode = 'itemBody') |
| 316 | { |
| 317 | $ancestors = []; |
| 318 | $parentNodeName = ''; |
| 319 | $currentNode = $data; |
| 320 | $i = 0; |
| 321 | while (!is_null($currentNode->parentNode) && $parentNodeName != $topNode) { |
| 322 | if ($i > 100) { |
| 323 | throw new ParsingException('maximum recursion of 100 reached'); |
| 324 | } |
| 325 | |
| 326 | $parentNodeName = $currentNode->parentNode->nodeName; |
| 327 | $ancestors[] = $parentNodeName; |
| 328 | $currentNode = $currentNode->parentNode; |
| 329 | $i++; |
| 330 | } |
| 331 | return $ancestors; |
| 332 | } |
| 333 | |
| 334 | protected function parseContainerInteractive(DOMElement $data, ContainerInteractive $container) |
| 335 | { |
| 336 | |
| 337 | $bodyElements = []; |
| 338 | |
| 339 | //parse the xml to find the interaction nodes |
| 340 | $interactionNodes = $this->queryXPath( |
| 341 | ".//*[not(ancestor::feedbackBlock) and not(ancestor::feedbackInline) and contains(name(.), 'Interaction')]", |
| 342 | $data |
| 343 | ); |
| 344 | |
| 345 | foreach ($interactionNodes as $k => $interactionNode) { |
| 346 | if (strpos($interactionNode->nodeName, 'portableCustomInteraction') === false) { |
| 347 | //build an interaction instance |
| 348 | $interaction = $this->buildInteraction($interactionNode); |
| 349 | if (!is_null($interaction)) { |
| 350 | $bodyElements[$interaction->getSerial()] = $interaction; |
| 351 | $this->replaceNode($interactionNode, $interaction); |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | //parse for feedback elements interactive! |
| 357 | $feedbackNodes = $this->queryXPath( |
| 358 | ".//*[not(ancestor::feedbackBlock) and not(ancestor::feedbackInline) and contains(name(.), 'feedback')]", |
| 359 | $data |
| 360 | ); |
| 361 | |
| 362 | foreach ($feedbackNodes as $feedbackNode) { |
| 363 | $feedback = $this->buildFeedback($feedbackNode, true); |
| 364 | if (!is_null($feedback)) { |
| 365 | $bodyElements[$feedback->getSerial()] = $feedback; |
| 366 | $this->replaceNode($feedbackNode, $feedback); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | $bodyData = $this->getBodyData($data); |
| 371 | foreach ($bodyElements as $bodyElement) { |
| 372 | if (strpos($bodyData, $bodyElement->getPlaceholder()) === false) { |
| 373 | unset($bodyElements[$bodyElement->getSerial()]); |
| 374 | } |
| 375 | } |
| 376 | if (!$container->setElements($bodyElements, $bodyData)) { |
| 377 | throw new ParsingException('Cannot set elements to the interactive container'); |
| 378 | } |
| 379 | |
| 380 | return $this->parseContainerStatic($data, $container); |
| 381 | } |
| 382 | |
| 383 | protected function setContainerElements(Container $container, DOMElement $data, $bodyElements = []) |
| 384 | { |
| 385 | $bodyData = $this->getBodyData($data); |
| 386 | foreach ($bodyElements as $bodyElement) { |
| 387 | if (strpos($bodyData, $bodyElement->getPlaceholder()) === false) { |
| 388 | unset($bodyElements[$bodyElement->getSerial()]); |
| 389 | } |
| 390 | } |
| 391 | if (!$container->setElements($bodyElements, $bodyData)) { |
| 392 | throw new ParsingException('Cannot set elements to the interactive container'); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | private function setContainerAttributes(Container $container, DOMElement $data): void |
| 397 | { |
| 398 | $languageAttribute = $data->getAttribute('dir'); |
| 399 | if (!empty($languageAttribute)) { |
| 400 | $container->setAttribute('dir', $languageAttribute); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | protected function parseContainerItemBody(DOMElement $data, ContainerItemBody $container) |
| 405 | { |
| 406 | |
| 407 | $bodyElements = []; |
| 408 | |
| 409 | //parse for rubricBlocks: rubricBlock only allowed in item body ! |
| 410 | $rubricNodes = $this->queryXPath(".//*[name(.)='rubricBlock']", $data); |
| 411 | foreach ($rubricNodes as $rubricNode) { |
| 412 | $rubricBlock = $this->buildRubricBlock($rubricNode); |
| 413 | if (!is_null($rubricBlock)) { |
| 414 | $bodyElements[$rubricBlock->getSerial()] = $rubricBlock; |
| 415 | $this->replaceNode($rubricNode, $rubricBlock); |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | //parse for infoControls: infoControl only allowed in item body ! |
| 420 | $infoControlNodes = $this->queryXPath(".//*[name(.)='infoControl']", $data); |
| 421 | foreach ($infoControlNodes as $infoControlNode) { |
| 422 | $infoControl = $this->buildInfoControl($infoControlNode); |
| 423 | if (!is_null($infoControl)) { |
| 424 | $bodyElements[$infoControl->getSerial()] = $infoControl; |
| 425 | $this->replaceNode($infoControlNode, $infoControl); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | // parse for tables, but only the ones containing interactions |
| 430 | $tableNodes = $this->queryXPath(".//*[name(.)='table']", $data); |
| 431 | foreach ($tableNodes as $tableNode) { |
| 432 | $interactionsNodes = $this->queryXPath(".//*[contains(name(.), 'Interaction')]", $tableNode); |
| 433 | if ($interactionsNodes->length > 0) { |
| 434 | $table = $this->buildTable($tableNode); |
| 435 | if (!is_null($table)) { |
| 436 | $bodyElements[$table->getSerial()] = $table; |
| 437 | $this->replaceNode($tableNode, $table); |
| 438 | $this->parseContainerInteractive($tableNode, $table->getBody()); |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | $this->setContainerAttributes($container, $data); |
| 444 | $this->setContainerElements($container, $data, $bodyElements); |
| 445 | |
| 446 | return $this->parseContainerInteractive($data, $container); |
| 447 | } |
| 448 | |
| 449 | private function parseContainerChoice(DOMElement $data, Container $container, $tag) |
| 450 | { |
| 451 | |
| 452 | $choices = []; |
| 453 | $gapNodes = $this->queryXPath(".//*[name(.)='" . $tag . "']", $data); |
| 454 | foreach ($gapNodes as $gapNode) { |
| 455 | $gap = $this->buildChoice($gapNode); |
| 456 | if (!is_null($gap)) { |
| 457 | $choices[$gap->getSerial()] = $gap; |
| 458 | $this->replaceNode($gapNode, $gap); |
| 459 | } |
| 460 | } |
| 461 | $bodyData = $this->getBodyData($data); |
| 462 | $container->setElements($choices, $bodyData); |
| 463 | |
| 464 | $data = $this->parseContainerStatic($data, $container); |
| 465 | |
| 466 | return $data; |
| 467 | } |
| 468 | |
| 469 | protected function parseContainerGap(DOMElement $data, ContainerGap $container) |
| 470 | { |
| 471 | return $this->parseContainerChoice($data, $container, 'gap'); |
| 472 | } |
| 473 | |
| 474 | protected function parseContainerHottext(DOMElement $data, ContainerHottext $container) |
| 475 | { |
| 476 | return $this->parseContainerChoice($data, $container, 'hottext'); |
| 477 | } |
| 478 | |
| 479 | protected function extractAttributes(DOMElement $data) |
| 480 | { |
| 481 | $options = []; |
| 482 | foreach ($data->attributes as $attr) { |
| 483 | if ($attr->nodeName === 'xsi:schemaLocation') { |
| 484 | continue; |
| 485 | } |
| 486 | |
| 487 | $options[$this->attributeMap[$attr->nodeName] ?? $attr->nodeName] = (string) $attr->nodeValue; |
| 488 | } |
| 489 | return $options; |
| 490 | } |
| 491 | |
| 492 | public function findNamespace($nsFragment) |
| 493 | { |
| 494 | $returnValue = ''; |
| 495 | |
| 496 | if (is_null($this->item)) { |
| 497 | foreach ($this->queryXPath('namespace::*') as $node) { |
| 498 | $name = preg_replace('/xmlns(:)?/', '', $node->nodeName); |
| 499 | $uri = $node->nodeValue; |
| 500 | if (strpos($uri, $nsFragment) > 0) { |
| 501 | $returnValue = $name; |
| 502 | break; |
| 503 | } |
| 504 | } |
| 505 | } else { |
| 506 | $namespaces = $this->item->getNamespaces(); |
| 507 | |
| 508 | foreach ($namespaces as $name => $uri) { |
| 509 | if (strpos($uri, $nsFragment) > 0) { |
| 510 | $returnValue = $name; |
| 511 | break; |
| 512 | } |
| 513 | } |
| 514 | if ($returnValue === '') { |
| 515 | $returnValue = $this->recursivelyFindNamespace($this->data, $nsFragment); |
| 516 | } |
| 517 | } |
| 518 | return $returnValue; |
| 519 | } |
| 520 | |
| 521 | private function recursivelyFindNamespace($element, $nsFragment) |
| 522 | { |
| 523 | if (strpos($this->data->saveXML(), $nsFragment) === false) { |
| 524 | return ''; |
| 525 | } |
| 526 | |
| 527 | $returnValue = ''; |
| 528 | |
| 529 | foreach ($element->childNodes as $child) { |
| 530 | if ($child->nodeType === XML_ELEMENT_NODE) { |
| 531 | foreach ($this->queryXPath('namespace::*', $child) as $node) { |
| 532 | $name = preg_replace('/xmlns(:)?/', '', $node->nodeName); |
| 533 | $uri = $node->nodeValue; |
| 534 | if (strpos($uri, $nsFragment) > 0) { |
| 535 | $returnValue = $name; |
| 536 | break; |
| 537 | } |
| 538 | } |
| 539 | $value = $this->recursivelyFindNamespace($child, $nsFragment); |
| 540 | if ($value !== '') { |
| 541 | $returnValue = $value; |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | return $returnValue; |
| 547 | } |
| 548 | |
| 549 | protected function getMathNamespace() |
| 550 | { |
| 551 | return $this->findNamespace('MathML'); |
| 552 | } |
| 553 | |
| 554 | protected function getXIncludeNamespace() |
| 555 | { |
| 556 | return $this->findNamespace('XInclude'); |
| 557 | } |
| 558 | |
| 559 | protected function getHTML5Namespace(): string |
| 560 | { |
| 561 | // qh5 |
| 562 | $ns = $this->findNamespace('html5'); |
| 563 | |
| 564 | return empty($ns) ? '' : $ns . ':'; |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Build a QTI_Item from a DOMElement, the root tag of which is root assessmentItem |
| 569 | * |
| 570 | * @param DOMElement $data |
| 571 | * @return \oat\taoQtiItem\model\qti\Item |
| 572 | * @throws InvalidArgumentException |
| 573 | * @throws ParsingException |
| 574 | * @throws UnsupportedQtiElement |
| 575 | */ |
| 576 | protected function buildItem(DOMElement $data) |
| 577 | { |
| 578 | //check on the root tag. |
| 579 | $itemId = (string) $data->getAttribute('identifier'); |
| 580 | |
| 581 | $this->logDebug('Started parsing of QTI item' . (isset($itemId) ? ' ' . $itemId : ''), ['TAOITEMS']); |
| 582 | |
| 583 | //create the item instance |
| 584 | $this->item = new Item($this->extractAttributes($data)); |
| 585 | |
| 586 | //load xml ns and schema locations |
| 587 | $this->loadNamespaces(); |
| 588 | $this->loadSchemaLocations($data); |
| 589 | |
| 590 | //load stylesheets |
| 591 | $styleSheetNodes = $this->queryXPath("*[name(.) = 'stylesheet']", $data); |
| 592 | foreach ($styleSheetNodes as $styleSheetNode) { |
| 593 | $styleSheet = $this->buildStylesheet($styleSheetNode); |
| 594 | $this->item->addStylesheet($styleSheet); |
| 595 | } |
| 596 | |
| 597 | //extract the responses |
| 598 | $responseNodes = $this->queryXPath("*[name(.) = 'responseDeclaration']", $data); |
| 599 | foreach ($responseNodes as $responseNode) { |
| 600 | $response = $this->buildResponseDeclaration($responseNode); |
| 601 | if (!is_null($response)) { |
| 602 | $this->item->addResponse($response); |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | //extract outcome variables |
| 607 | $outcomes = []; |
| 608 | $outComeNodes = $this->queryXPath("*[name(.) = 'outcomeDeclaration']", $data); |
| 609 | foreach ($outComeNodes as $outComeNode) { |
| 610 | $outcome = $this->buildOutcomeDeclaration($outComeNode); |
| 611 | if (!is_null($outcome)) { |
| 612 | $outcomes[] = $outcome; |
| 613 | } |
| 614 | } |
| 615 | if (count($outcomes) > 0) { |
| 616 | $this->item->setOutcomes($outcomes); |
| 617 | } |
| 618 | |
| 619 | //extract modal feedbacks |
| 620 | $feedbackNodes = $this->queryXPath("*[name(.) = 'modalFeedback']", $data); |
| 621 | foreach ($feedbackNodes as $feedbackNode) { |
| 622 | $modalFeedback = $this->buildFeedback($feedbackNode); |
| 623 | if (!is_null($modalFeedback)) { |
| 624 | $this->item->addModalFeedback($modalFeedback); |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | //extract the item structure to separate the structural/style content to the item content |
| 629 | $itemBodies = $this->queryXPath("*[name(.) = 'itemBody']", $data); // array with 1 or zero bodies |
| 630 | if ($itemBodies === false) { |
| 631 | $errors = libxml_get_errors(); |
| 632 | if (count($errors) > 0) { |
| 633 | $error = array_shift($errors); |
| 634 | $errormsg = $error->message; |
| 635 | } else { |
| 636 | $errormsg = "without errormessage"; |
| 637 | } |
| 638 | throw new ParsingException( |
| 639 | 'XML error(' . $errormsg . ') on itemBody read' . (isset($itemId) ? ' for item ' . $itemId : '') |
| 640 | ); |
| 641 | } elseif ($itemBodies->length) { |
| 642 | $this->parseContainerItemBody($itemBodies->item(0), $this->item->getBody()); |
| 643 | $this->item->addClass($itemBodies->item(0)->getAttribute('class')); |
| 644 | } |
| 645 | |
| 646 | |
| 647 | // warning: extract the response processing at the latest to make |
| 648 | // oat\taoQtiItem\model\qti\response\TemplatesDriven::takeOverFrom() work |
| 649 | $rpNodes = $this->queryXPath("*[name(.) = 'responseProcessing']", $data); |
| 650 | if ($rpNodes->length === 0) { |
| 651 | //no response processing node found: the template for an empty response processing is simply "NONE" |
| 652 | $rProcessing = new TemplatesDriven(); |
| 653 | $rProcessing->setRelatedItem($this->item); |
| 654 | foreach ($this->item->getInteractions() as $interaction) { |
| 655 | $rProcessing->setTemplate($interaction->getResponse(), Template::NONE); |
| 656 | } |
| 657 | $this->item->setResponseProcessing($rProcessing); |
| 658 | } else { |
| 659 | //if there is a response processing node, try parsing it |
| 660 | $rpNode = $rpNodes->item(0); |
| 661 | $rProcessing = $this->buildResponseProcessing($rpNode, $this->item); |
| 662 | if (!is_null($rProcessing)) { |
| 663 | $this->item->setResponseProcessing($rProcessing); |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | $this->buildApipAccessibility($data); |
| 668 | |
| 669 | return $this->item; |
| 670 | } |
| 671 | |
| 672 | /** |
| 673 | * Load xml namespaces into the item model |
| 674 | */ |
| 675 | protected function loadNamespaces() |
| 676 | { |
| 677 | $namespaces = []; |
| 678 | foreach ($this->queryXPath('namespace::*') as $node) { |
| 679 | $name = preg_replace('/xmlns(:)?/', '', $node->nodeName); |
| 680 | if ($name !== 'xml') {//always removed the implicit xml namespace |
| 681 | $namespaces[$name] = $node->nodeValue; |
| 682 | } |
| 683 | } |
| 684 | ksort($namespaces); |
| 685 | foreach ($namespaces as $name => $uri) { |
| 686 | $this->item->addNamespace($name, $uri); |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | /** |
| 691 | * Load xml schema locations into the item model |
| 692 | * |
| 693 | * @param DOMElement $itemData |
| 694 | * @throws ParsingException |
| 695 | */ |
| 696 | protected function loadSchemaLocations(DOMElement $itemData) |
| 697 | { |
| 698 | $schemaLoc = preg_replace( |
| 699 | '/\s+/', |
| 700 | ' ', |
| 701 | trim($itemData->getAttributeNS($itemData->lookupNamespaceURI('xsi'), 'schemaLocation')) |
| 702 | ); |
| 703 | $schemaLocToken = explode(' ', $schemaLoc); |
| 704 | $schemaCount = count($schemaLocToken); |
| 705 | if ($schemaCount % 2) { |
| 706 | throw new ParsingException('invalid schema location'); |
| 707 | } |
| 708 | for ($i = 0; $i < $schemaCount; $i = $i + 2) { |
| 709 | $this->item->addSchemaLocation($schemaLocToken[$i], $schemaLocToken[$i + 1]); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | protected function buildApipAccessibility(DOMElement $data) |
| 714 | { |
| 715 | $ApipNodes = $this->queryXPath("*[name(.) = 'apipAccessibility']|*[name(.) = 'apip:apipAccessibility']", $data); |
| 716 | if ($ApipNodes->length > 0) { |
| 717 | common_Logger::i('is APIP item', ['QTI', 'TAOITEMS']); |
| 718 | $apipNode = $ApipNodes->item(0); |
| 719 | $apipXml = $apipNode->ownerDocument->saveXML($apipNode); |
| 720 | $this->item->setApipAccessibility($apipXml); |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * Build a QTI_Interaction from a DOMElement (the root tag of this is an 'interaction' node) |
| 726 | * |
| 727 | * @access public |
| 728 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 729 | * @param DOMElement $data |
| 730 | * @return \oat\taoQtiItem\model\qti\interaction\Interaction |
| 731 | * @throws ParsingException |
| 732 | * @throws UnsupportedQtiElement |
| 733 | * @throws interaction\InvalidArgumentException |
| 734 | * @see http://www.imsglobal.org/question/qti_v2p0/imsqti_infov2p0.html#element10247 |
| 735 | */ |
| 736 | protected function buildInteraction(DOMElement $data) |
| 737 | { |
| 738 | |
| 739 | $returnValue = null; |
| 740 | |
| 741 | if ($data->nodeName === 'customInteraction') { |
| 742 | $returnValue = $this->buildCustomInteraction($data); |
| 743 | } else { |
| 744 | //build one of the standard interaction |
| 745 | |
| 746 | try { |
| 747 | $type = ucfirst($data->nodeName); |
| 748 | |
| 749 | $interactionClass = '\\oat\\taoQtiItem\\model\\qti\\interaction\\' . $type; |
| 750 | if (!class_exists($interactionClass)) { |
| 751 | throw new ParsingException('The interaction class cannot be found: ' . $interactionClass); |
| 752 | } |
| 753 | |
| 754 | $myInteraction = new $interactionClass($this->extractAttributes($data), $this->item); |
| 755 | |
| 756 | if ($myInteraction instanceof BlockInteraction) { |
| 757 | //extract prompt: |
| 758 | $promptNodes = $this->queryXPath("*[name(.) = 'prompt']", $data); //prompt |
| 759 | |
| 760 | foreach ($promptNodes as $promptNode) { |
| 761 | //only block interactions have prompt |
| 762 | $this->parseContainerStatic($promptNode, $myInteraction->getPrompt()); |
| 763 | $this->deleteNode($promptNode); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | //build the interaction's choices regarding it's type |
| 768 | switch (strtolower($type)) { |
| 769 | case 'matchinteraction': |
| 770 | //extract simpleMatchSet choices |
| 771 | $matchSetNodes = $this->queryXPath("*[name(.) = 'simpleMatchSet']", $data); //simpleMatchSet |
| 772 | $matchSetNumber = 0; |
| 773 | foreach ($matchSetNodes as $matchSetNode) { |
| 774 | //simpleAssociableChoice |
| 775 | $choiceNodes = $this->queryXPath( |
| 776 | "*[name(.) = 'simpleAssociableChoice']", |
| 777 | $matchSetNode |
| 778 | ); |
| 779 | |
| 780 | foreach ($choiceNodes as $choiceNode) { |
| 781 | $choice = $this->buildChoice($choiceNode); |
| 782 | if (!is_null($choice)) { |
| 783 | $myInteraction->addChoice($choice, $matchSetNumber); |
| 784 | } |
| 785 | } |
| 786 | if (++$matchSetNumber === 2) { |
| 787 | //matchSet is limited to 2 maximum |
| 788 | break; |
| 789 | } |
| 790 | } |
| 791 | break; |
| 792 | |
| 793 | case 'gapmatchinteraction': |
| 794 | //create choices with the gapText nodes |
| 795 | $choiceNodes = $this->queryXPath("*[name(.)='gapText']", $data); //or gapImg!! |
| 796 | $choices = []; |
| 797 | foreach ($choiceNodes as $choiceNode) { |
| 798 | $choice = $this->buildChoice($choiceNode); |
| 799 | if (!is_null($choice)) { |
| 800 | $myInteraction->addChoice($choice); |
| 801 | $this->deleteNode($choiceNode); |
| 802 | } |
| 803 | |
| 804 | //remove node so it does not pollute subsequent parsing data |
| 805 | unset($choiceNode); |
| 806 | } |
| 807 | |
| 808 | $this->parseContainerGap($data, $myInteraction->getBody()); |
| 809 | break; |
| 810 | |
| 811 | case 'hottextinteraction': |
| 812 | $this->parseContainerHottext($data, $myInteraction->getBody()); |
| 813 | break; |
| 814 | |
| 815 | case 'graphicgapmatchinteraction': |
| 816 | //create choices with the gapImg nodes |
| 817 | $choiceNodes = $this->queryXPath("*[name(.)='gapImg']", $data); |
| 818 | $choices = []; |
| 819 | foreach ($choiceNodes as $choiceNode) { |
| 820 | $choice = $this->buildChoice($choiceNode); |
| 821 | if (!is_null($choice)) { |
| 822 | $myInteraction->addGapImg($choice); |
| 823 | } |
| 824 | } |
| 825 | // no break |
| 826 | default: |
| 827 | //parse, extract and build the choice nodes contained in the interaction |
| 828 | $exp = "*[contains(name(.),'Choice')] | *[name(.)='associableHotspot']"; |
| 829 | $choiceNodes = $this->queryXPath($exp, $data); |
| 830 | foreach ($choiceNodes as $choiceNode) { |
| 831 | $choice = $this->buildChoice($choiceNode); |
| 832 | if (!is_null($choice)) { |
| 833 | $myInteraction->addChoice($choice); |
| 834 | } |
| 835 | unset($choiceNode); |
| 836 | } |
| 837 | break; |
| 838 | } |
| 839 | |
| 840 | if ($myInteraction instanceof ObjectInteraction) { |
| 841 | $objectNodes = $this->queryXPath("*[name(.)='object']", $data); //object |
| 842 | foreach ($objectNodes as $objectNode) { |
| 843 | $object = $this->buildObject($objectNode); |
| 844 | if (!is_null($object)) { |
| 845 | $myInteraction->setObject($object); |
| 846 | } |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | $returnValue = $myInteraction; |
| 851 | } catch (InvalidArgumentException $iae) { |
| 852 | throw new ParsingException($iae); |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | return $returnValue; |
| 857 | } |
| 858 | |
| 859 | /** |
| 860 | * Build a QTI_Choice from a DOMElement (the root tag of this element |
| 861 | * an 'choice' node) |
| 862 | * |
| 863 | * @access public |
| 864 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 865 | * @param DOMElement $data |
| 866 | * @return \oat\taoQtiItem\model\qti\choice\Choice |
| 867 | * @throws ParsingException |
| 868 | * @throws UnsupportedQtiElement |
| 869 | * @throws choice\InvalidArgumentException |
| 870 | * @see http://www.imsglobal.org/question/qti_v2p0/imsqti_infov2p0.html#element10254 |
| 871 | */ |
| 872 | protected function buildChoice(DOMElement $data) |
| 873 | { |
| 874 | |
| 875 | $className = '\\oat\\taoQtiItem\\model\\qti\\choice\\' . ucfirst($data->nodeName); |
| 876 | if (!class_exists($className)) { |
| 877 | throw new ParsingException("The choice class does not exist " . $className); |
| 878 | } |
| 879 | |
| 880 | $myChoice = new $className($this->extractAttributes($data)); |
| 881 | |
| 882 | if ($myChoice instanceof ContainerChoice) { |
| 883 | $this->parseContainerStatic($data, $myChoice->getBody()); |
| 884 | } elseif ($myChoice instanceof TextVariableChoice) { |
| 885 | //use getBodyData() instead of $data->nodeValue() to preserve xml entities |
| 886 | $myChoice->setContent($this->getBodyData($data)); |
| 887 | } elseif ($myChoice instanceof GapImg) { |
| 888 | //extract the media object tag |
| 889 | $objectNodes = $this->queryXPath("*[name(.)='object']", $data); |
| 890 | foreach ($objectNodes as $objectNode) { |
| 891 | $object = $this->buildObject($objectNode); |
| 892 | $myChoice->setContent($object); |
| 893 | break; |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | return $myChoice; |
| 898 | } |
| 899 | |
| 900 | /** |
| 901 | * Short description of method buildResponseDeclaration |
| 902 | * |
| 903 | * @access public |
| 904 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 905 | * @param DOMElement $data |
| 906 | * @return \oat\taoQtiItem\model\qti\ResponseDeclaration |
| 907 | * @see http://www.imsglobal.org/question/qti_v2p0/imsqti_infov2p0.html#element10074 |
| 908 | */ |
| 909 | protected function buildResponseDeclaration(DOMElement $data) |
| 910 | { |
| 911 | |
| 912 | $myResponse = new ResponseDeclaration($this->extractAttributes($data), $this->item); |
| 913 | |
| 914 | $data = simplexml_import_dom($data); |
| 915 | //set the correct responses |
| 916 | $correctResponseNodes = $data->xpath("*[name(.) = 'correctResponse']"); |
| 917 | $responses = []; |
| 918 | foreach ($correctResponseNodes as $correctResponseNode) { |
| 919 | foreach ($correctResponseNode->value as $value) { |
| 920 | $correct = (string) $value; |
| 921 | $response = new Value(); |
| 922 | foreach ($value->attributes() as $attrName => $attrValue) { |
| 923 | $response->setAttribute($attrName, strval($attrValue)); |
| 924 | } |
| 925 | $response->setValue($correct); |
| 926 | $responses[] = $response; |
| 927 | } |
| 928 | break; |
| 929 | } |
| 930 | $myResponse->setCorrectResponses($responses); |
| 931 | |
| 932 | //set the correct responses |
| 933 | $defaultValueNodes = $data->xpath("*[name(.) = 'defaultValue']"); |
| 934 | $defaultValues = []; |
| 935 | foreach ($defaultValueNodes as $defaultValueNode) { |
| 936 | foreach ($defaultValueNode->value as $value) { |
| 937 | $default = (string) $value; |
| 938 | $defaultValue = new Value(); |
| 939 | foreach ($value->attributes() as $attrName => $attrValue) { |
| 940 | $defaultValue->setAttribute($attrName, strval($attrValue)); |
| 941 | } |
| 942 | $defaultValue->setValue($default); |
| 943 | $defaultValues[] = $defaultValue; |
| 944 | } |
| 945 | break; |
| 946 | } |
| 947 | $myResponse->setDefaultValue($defaultValues); |
| 948 | |
| 949 | //set the mapping if defined |
| 950 | $mappingNodes = $data->xpath("*[name(.) = 'mapping']"); |
| 951 | foreach ($mappingNodes as $mappingNode) { |
| 952 | if (isset($mappingNode['defaultValue'])) { |
| 953 | $myResponse->setMappingDefaultValue(floatval((string) $mappingNode['defaultValue'])); |
| 954 | } |
| 955 | $mappingOptions = []; |
| 956 | foreach ($mappingNode->attributes() as $key => $value) { |
| 957 | if ($key != 'defaultValue') { |
| 958 | $mappingOptions[$key] = (string) $value; |
| 959 | } |
| 960 | } |
| 961 | $myResponse->setAttribute('mapping', $mappingOptions); |
| 962 | |
| 963 | $mapping = []; |
| 964 | foreach ($mappingNode->mapEntry as $mapEntry) { |
| 965 | $mapping[(string) htmlspecialchars($mapEntry['mapKey'])] = (string) $mapEntry['mappedValue']; |
| 966 | } |
| 967 | $myResponse->setMapping($mapping); |
| 968 | |
| 969 | break; |
| 970 | } |
| 971 | |
| 972 | //set the areaMapping if defined |
| 973 | $mappingNodes = $data->xpath("*[name(.) = 'areaMapping']"); |
| 974 | foreach ($mappingNodes as $mappingNode) { |
| 975 | if (isset($mappingNode['defaultValue'])) { |
| 976 | $myResponse->setMappingDefaultValue(floatval((string) $mappingNode['defaultValue'])); |
| 977 | } |
| 978 | $mappingOptions = []; |
| 979 | foreach ($mappingNode->attributes() as $key => $value) { |
| 980 | if ($key != 'defaultValue') { |
| 981 | $mappingOptions[$key] = (string) $value; |
| 982 | } |
| 983 | } |
| 984 | $myResponse->setAttribute('areaMapping', $mappingOptions); |
| 985 | |
| 986 | $mapping = []; |
| 987 | foreach ($mappingNode->areaMapEntry as $mapEntry) { |
| 988 | $mappingAttributes = []; |
| 989 | foreach ($mapEntry->attributes() as $key => $value) { |
| 990 | $mappingAttributes[(string) $key] = (string) $value; |
| 991 | } |
| 992 | $mapping[] = $mappingAttributes; |
| 993 | } |
| 994 | $myResponse->setMapping($mapping, 'area'); |
| 995 | |
| 996 | break; |
| 997 | } |
| 998 | |
| 999 | return $myResponse; |
| 1000 | } |
| 1001 | |
| 1002 | /** |
| 1003 | * Short description of method buildOutcomeDeclaration |
| 1004 | * |
| 1005 | * @access public |
| 1006 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1007 | * @param DOMElement data |
| 1008 | * @return oat\taoQtiItem\model\qti\OutcomeDeclaration |
| 1009 | */ |
| 1010 | protected function buildOutcomeDeclaration(DOMElement $data) |
| 1011 | { |
| 1012 | |
| 1013 | $outcome = new OutcomeDeclaration($this->extractAttributes($data)); |
| 1014 | $data = simplexml_import_dom($data); |
| 1015 | |
| 1016 | if (isset($data->defaultValue)) { |
| 1017 | if (!is_null($data->defaultValue->value)) { |
| 1018 | $outcome->setDefaultValue((string) $data->defaultValue->value); |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | return $outcome; |
| 1023 | } |
| 1024 | |
| 1025 | /** |
| 1026 | * Short description of method buildTemplateResponseProcessing |
| 1027 | * |
| 1028 | * @access public |
| 1029 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1030 | * @param DOMElement data |
| 1031 | * @return oat\taoQtiItem\model\qti\response\ResponseProcessing |
| 1032 | */ |
| 1033 | protected function buildTemplateResponseProcessing(DOMElement $data) |
| 1034 | { |
| 1035 | $returnValue = null; |
| 1036 | |
| 1037 | if ($data->hasAttribute('template') && $data->childNodes->length === 0) { |
| 1038 | $templateUri = (string) $data->getAttribute('template'); |
| 1039 | $returnValue = new Template($templateUri); |
| 1040 | } elseif ($data->childNodes->length === 1) { |
| 1041 | //check response declaration identifier, which must be RESPONSE in standard rp |
| 1042 | $responses = $this->item->getResponses(); |
| 1043 | if (count($responses) == 1) { |
| 1044 | $response = reset($responses); |
| 1045 | if ($response->getIdentifier() !== 'RESPONSE') { |
| 1046 | throw new UnexpectedResponseProcessing('the response declaration identifier must be RESPONSE'); |
| 1047 | } |
| 1048 | } else { |
| 1049 | //invalid number of response declaration |
| 1050 | throw new UnexpectedResponseProcessing('the item must have exactly one response declaration'); |
| 1051 | } |
| 1052 | |
| 1053 | $patternCorrectIMS = 'responseCondition [count(./*) = 2 ] [name(./*[1]) = "responseIf" ] ' |
| 1054 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "match" ] ' |
| 1055 | . '[name(./responseIf/match/*[1]) = "variable" ] [name(./responseIf/match/*[2]) = "correct" ] ' |
| 1056 | . '[name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1057 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ] [name(./*[2]) = "responseElse" ] ' |
| 1058 | . '[count(./responseElse/*) = 1 ] [name(./responseElse/*[1]) = "setOutcomeValue" ] ' |
| 1059 | . '[name(./responseElse/setOutcomeValue/*[1]) = "baseValue"]'; |
| 1060 | $patternMappingIMS = 'responseCondition [count(./*) = 2] [name(./*[1]) = "responseIf"] ' |
| 1061 | . '[count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "isNull"] ' |
| 1062 | . '[name(./responseIf/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] ' |
| 1063 | . '[name(./responseIf/setOutcomeValue/*[1]) = "variable"] [name(./*[2]) = "responseElse"] ' |
| 1064 | . '[count(./responseElse/*) = 1] [name(./responseElse/*[1]) = "setOutcomeValue"] ' |
| 1065 | . '[name(./responseElse/setOutcomeValue/*[1]) = "mapResponse"]'; |
| 1066 | $patternMappingPointIMS = 'responseCondition [count(./*) = 2] [name(./*[1]) = "responseIf"] ' |
| 1067 | . '[count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "isNull"] ' |
| 1068 | . '[name(./responseIf/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] ' |
| 1069 | . '[name(./responseIf/setOutcomeValue/*[1]) = "variable"] [name(./*[2]) = "responseElse"] ' |
| 1070 | . '[count(./responseElse/*) = 1] [name(./responseElse/*[1]) = "setOutcomeValue"] ' |
| 1071 | . '[name(./responseElse/setOutcomeValue/*[1]) = "mapResponsePoint"]'; |
| 1072 | if (count($this->queryXPath($patternCorrectIMS)) == 1) { |
| 1073 | $returnValue = new Template(Template::MATCH_CORRECT); |
| 1074 | } elseif (count($this->queryXPath($patternMappingIMS)) == 1) { |
| 1075 | $returnValue = new Template(Template::MAP_RESPONSE); |
| 1076 | } elseif (count($this->queryXPath($patternMappingPointIMS)) == 1) { |
| 1077 | $returnValue = new Template(Template::MAP_RESPONSE_POINT); |
| 1078 | } else { |
| 1079 | throw new UnexpectedResponseProcessing('not Template, wrong rule'); |
| 1080 | } |
| 1081 | $returnValue->setRelatedItem($this->item); |
| 1082 | } else { |
| 1083 | throw new UnexpectedResponseProcessing('not Template'); |
| 1084 | } |
| 1085 | |
| 1086 | return $returnValue; |
| 1087 | } |
| 1088 | |
| 1089 | /** |
| 1090 | * Short description of method buildResponseProcessing |
| 1091 | * |
| 1092 | * @access public |
| 1093 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1094 | * @param DOMElement data |
| 1095 | * @param Item item |
| 1096 | * @return oat\taoQtiItem\model\qti\response\ResponseProcessing |
| 1097 | */ |
| 1098 | protected function buildResponseProcessing(DOMElement $data, Item $item) |
| 1099 | { |
| 1100 | $returnValue = null; |
| 1101 | |
| 1102 | // try template |
| 1103 | try { |
| 1104 | $returnValue = $this->buildTemplateResponseProcessing($data); |
| 1105 | |
| 1106 | try { |
| 1107 | //warning: require to add interactions to the item to make it work |
| 1108 | $returnValue = TemplatesDriven::takeOverFrom($returnValue, $item); |
| 1109 | } catch (TakeoverFailedException $e) { |
| 1110 | } |
| 1111 | } catch (UnexpectedResponseProcessing $e) { |
| 1112 | } |
| 1113 | |
| 1114 | //try templatedriven |
| 1115 | if (is_null($returnValue)) { |
| 1116 | try { |
| 1117 | $returnValue = $this->buildTemplatedrivenResponse($data, $item->getInteractions()); |
| 1118 | } catch (UnexpectedResponseProcessing $e) { |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | // build custom |
| 1123 | if (is_null($returnValue)) { |
| 1124 | try { |
| 1125 | $returnValue = $this->buildCustomResponseProcessing($data); |
| 1126 | } catch (UnexpectedResponseProcessing $e) { |
| 1127 | // not a Template |
| 1128 | common_Logger::e('custom response processing failed', ['TAOITEMS', 'QTI']); |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | if (is_null($returnValue)) { |
| 1133 | common_Logger::w('failed to determine ResponseProcessing'); |
| 1134 | } |
| 1135 | |
| 1136 | return $returnValue; |
| 1137 | } |
| 1138 | |
| 1139 | /** |
| 1140 | * Short description of method buildCompositeResponseProcessing |
| 1141 | * |
| 1142 | * @access public |
| 1143 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1144 | * @param DOMElement data |
| 1145 | * @param Item item |
| 1146 | * @return oat\taoQtiItem\model\qti\response\ResponseProcessing |
| 1147 | */ |
| 1148 | protected function buildCompositeResponseProcessing(DOMElement $data, Item $item) |
| 1149 | { |
| 1150 | $returnValue = null; |
| 1151 | |
| 1152 | // STRONGLY simplified summation detection |
| 1153 | $patternCorrectTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] ' |
| 1154 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "match" ] ' |
| 1155 | . '[name(./responseIf/match/*[1]) = "variable" ] [name(./responseIf/match/*[2]) = "correct" ] ' |
| 1156 | . '[name(./responseIf/*[2]) = "setOutcomeValue" ] [count(./responseIf/setOutcomeValue/*) = 1 ] ' |
| 1157 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue"]'; |
| 1158 | $patternMapTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] ' |
| 1159 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "not" ] [count(./responseIf/not/*) = 1 ] ' |
| 1160 | . '[name(./responseIf/not/*[1]) = "isNull" ] [count(./responseIf/not/isNull/*) = 1 ] ' |
| 1161 | . '[name(./responseIf/not/isNull/*[1]) = "variable" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1162 | . '[count(./responseIf/setOutcomeValue/*) = 1 ] [name(./responseIf/setOutcomeValue/*[1]) = "mapResponse"]'; |
| 1163 | $patternMapPointTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] ' |
| 1164 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "not" ] [count(./responseIf/not/*) = 1 ] ' |
| 1165 | . '[name(./responseIf/not/*[1]) = "isNull" ] [count(./responseIf/not/isNull/*) = 1 ] ' |
| 1166 | . '[name(./responseIf/not/isNull/*[1]) = "variable" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1167 | . '[count(./responseIf/setOutcomeValue/*) = 1 ] ' |
| 1168 | . '[name(./responseIf/setOutcomeValue/*[1]) = "mapResponsePoint"]'; |
| 1169 | $patternNoneTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] ' |
| 1170 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "isNull" ] [count(./responseIf/isNull/*) = 1 ] ' |
| 1171 | . '[name(./responseIf/isNull/*[1]) = "variable" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1172 | . '[count(./responseIf/setOutcomeValue/*) = 1 ] [name(./responseIf/setOutcomeValue/*[1]) = "baseValue"]'; |
| 1173 | $possibleSummation = '/setOutcomeValue [count(./*) = 1 ] [name(./*[1]) = "sum" ]'; |
| 1174 | |
| 1175 | $irps = []; |
| 1176 | $composition = null; |
| 1177 | $data = simplexml_import_dom($data); |
| 1178 | foreach ($data as $responseRule) { |
| 1179 | if (!is_null($composition)) { |
| 1180 | throw new UnexpectedResponseProcessing('Not composite, rules after composition'); |
| 1181 | } |
| 1182 | |
| 1183 | $subtree = new SimpleXMLElement($responseRule->asXML()); |
| 1184 | |
| 1185 | if (count($subtree->xpath($patternCorrectTAO)) > 0) { |
| 1186 | $responseIdentifier = (string) $subtree->responseIf->match->variable[0]['identifier']; |
| 1187 | $irps[$responseIdentifier] = [ |
| 1188 | 'class' => 'MatchCorrectTemplate', |
| 1189 | 'outcome' => (string) $subtree->responseIf->setOutcomeValue[0]['identifier'] |
| 1190 | ]; |
| 1191 | } elseif (count($subtree->xpath($patternMapTAO)) > 0) { |
| 1192 | $responseIdentifier = (string) $subtree->responseIf->not->isNull->variable[0]['identifier']; |
| 1193 | $irps[$responseIdentifier] = [ |
| 1194 | 'class' => 'MapResponseTemplate', |
| 1195 | 'outcome' => (string) $subtree->responseIf->setOutcomeValue[0]['identifier'] |
| 1196 | ]; |
| 1197 | } elseif (count($subtree->xpath($patternMapPointTAO)) > 0) { |
| 1198 | $responseIdentifier = (string) $subtree->responseIf->not->isNull->variable[0]['identifier']; |
| 1199 | $irps[$responseIdentifier] = [ |
| 1200 | 'class' => 'MapResponsePointTemplate', |
| 1201 | 'outcome' => (string) $subtree->responseIf->setOutcomeValue[0]['identifier'] |
| 1202 | ]; |
| 1203 | } elseif (count($subtree->xpath($patternNoneTAO)) > 0) { |
| 1204 | $responseIdentifier = (string) $subtree->responseIf->isNull->variable[0]['identifier']; |
| 1205 | $irps[$responseIdentifier] = [ |
| 1206 | 'class' => 'None', |
| 1207 | 'outcome' => (string) $subtree->responseIf->setOutcomeValue[0]['identifier'], |
| 1208 | 'default' => (string) $subtree->responseIf->setOutcomeValue[0]->baseValue[0] |
| 1209 | ]; |
| 1210 | } elseif (count($subtree->xpath($possibleSummation)) > 0) { |
| 1211 | $composition = 'Summation'; |
| 1212 | $outcomesUsed = []; |
| 1213 | foreach ($subtree->xpath('/setOutcomeValue/sum/variable') as $var) { |
| 1214 | $outcomesUsed[] = (string) $var[0]['identifier']; |
| 1215 | } |
| 1216 | } else { |
| 1217 | throw new UnexpectedResponseProcessing('Not composite, unknown rule'); |
| 1218 | } |
| 1219 | } |
| 1220 | |
| 1221 | if (is_null($composition)) { |
| 1222 | throw new UnexpectedResponseProcessing('Not composit, Composition rule missing'); |
| 1223 | } |
| 1224 | |
| 1225 | $responses = []; |
| 1226 | foreach ($item->getInteractions() as $interaction) { |
| 1227 | $responses[$interaction->getResponse()->getIdentifier()] = $interaction->getResponse(); |
| 1228 | } |
| 1229 | |
| 1230 | if (count(array_diff(array_keys($irps), array_keys($responses))) > 0) { |
| 1231 | throw new UnexpectedResponseProcessing( |
| 1232 | 'Not composite, no responses for rules: ' |
| 1233 | . implode(',', array_diff(array_keys($irps), array_keys($responses))) |
| 1234 | ); |
| 1235 | } |
| 1236 | if (count(array_diff(array_keys($responses), array_keys($irps))) > 0) { |
| 1237 | throw new UnexpectedResponseProcessing('Not composite, no support for unmatched variables yet'); |
| 1238 | } |
| 1239 | |
| 1240 | //assuming sum is correct |
| 1241 | |
| 1242 | $compositonRP = new Summation($item); |
| 1243 | foreach ($responses as $id => $response) { |
| 1244 | $outcome = null; |
| 1245 | foreach ($item->getOutcomes() as $possibleOutcome) { |
| 1246 | if ($possibleOutcome->getIdentifier() == $irps[$id]['outcome']) { |
| 1247 | $outcome = $possibleOutcome; |
| 1248 | break; |
| 1249 | } |
| 1250 | } |
| 1251 | if (is_null($outcome)) { |
| 1252 | throw new ParsingException('Undeclared Outcome in ResponseProcessing'); |
| 1253 | } |
| 1254 | $classname = '\\oat\\taoQtiItem\\model\\qti\\response\\interactionResponseProcessing\\' |
| 1255 | . $irps[$id]['class']; |
| 1256 | $irp = new $classname($response, $outcome); |
| 1257 | |
| 1258 | if ($irp instanceof None && isset($irps[$id]['default'])) { |
| 1259 | $irp->setDefaultValue($irps[$id]['default']); |
| 1260 | } |
| 1261 | $compositonRP->add($irp); |
| 1262 | } |
| 1263 | $returnValue = $compositonRP; |
| 1264 | |
| 1265 | return $returnValue; |
| 1266 | } |
| 1267 | |
| 1268 | /** |
| 1269 | * Short description of method buildCustomResponseProcessing |
| 1270 | * |
| 1271 | * @access public |
| 1272 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1273 | * @param DOMElement data |
| 1274 | * @return oat\taoQtiItem\model\qti\response\ResponseProcessing |
| 1275 | */ |
| 1276 | protected function buildCustomResponseProcessing(DOMElement $data) |
| 1277 | { |
| 1278 | |
| 1279 | // Parse to find the different response rules |
| 1280 | $responseRules = []; |
| 1281 | |
| 1282 | $data = simplexml_import_dom($data); |
| 1283 | |
| 1284 | $returnValue = new Custom($responseRules, $data->asXml()); |
| 1285 | |
| 1286 | return $returnValue; |
| 1287 | } |
| 1288 | |
| 1289 | /** |
| 1290 | * Short description of method buildExpression |
| 1291 | * |
| 1292 | * @access public |
| 1293 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1294 | * @param DOMElement data |
| 1295 | * @return oat\taoQtiItem\model\qti\response\Rule |
| 1296 | */ |
| 1297 | protected function buildExpression(DOMElement $data) |
| 1298 | { |
| 1299 | $data = simplexml_import_dom($data); |
| 1300 | return ExpressionParserFactory::build($data); |
| 1301 | } |
| 1302 | |
| 1303 | protected function getModalFeedback($identifier) |
| 1304 | { |
| 1305 | foreach ($this->item->getModalFeedbacks() as $feedback) { |
| 1306 | if ($feedback->getIdentifier() == $identifier) { |
| 1307 | return $feedback; |
| 1308 | } |
| 1309 | } |
| 1310 | throw new ParsingException('cannot found the modal feedback with identifier ' . $identifier); |
| 1311 | } |
| 1312 | |
| 1313 | protected function getOutcome($identifier) |
| 1314 | { |
| 1315 | foreach ($this->item->getOutcomes() as $outcome) { |
| 1316 | if ($outcome->getIdentifier() == $identifier) { |
| 1317 | return $outcome; |
| 1318 | } |
| 1319 | } |
| 1320 | throw new ParsingException('cannot found the outcome with identifier ' . $identifier); |
| 1321 | } |
| 1322 | |
| 1323 | protected function getResponse($identifier) |
| 1324 | { |
| 1325 | foreach ($this->item->getResponses() as $response) { |
| 1326 | if ($response->getIdentifier() == $identifier) { |
| 1327 | return $response; |
| 1328 | } |
| 1329 | } |
| 1330 | throw new ParsingException('cannot found the response with identifier ' . $identifier); |
| 1331 | } |
| 1332 | |
| 1333 | /** |
| 1334 | * Short description of method buildTemplatedrivenResponse |
| 1335 | * |
| 1336 | * @access public |
| 1337 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1338 | * @param DOMElement $data |
| 1339 | * @param $interactions |
| 1340 | * @return TemplatesDriven |
| 1341 | * @throws UnexpectedResponseProcessing |
| 1342 | * @throws exception\QtiModelException |
| 1343 | * @throws response\InvalidArgumentException |
| 1344 | */ |
| 1345 | protected function buildTemplatedrivenResponse(DOMElement $data, $interactions) |
| 1346 | { |
| 1347 | |
| 1348 | $patternCorrectTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] ' |
| 1349 | . '[count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "match" ] ' |
| 1350 | . '[name(./responseIf/match/*[1]) = "variable" ] [name(./responseIf/match/*[2]) = "correct" ] ' |
| 1351 | . '[name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "sum" ] ' |
| 1352 | . '[name(./responseIf/setOutcomeValue/sum/*[1]) = "variable" ] ' |
| 1353 | . '[name(./responseIf/setOutcomeValue/sum/*[2]) = "baseValue"]'; |
| 1354 | $patternMappingTAO = '/responseCondition [count(./*) = 1] [name(./*[1]) = "responseIf"] ' |
| 1355 | . '[count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "not"] [name(./responseIf/not/*[1]) = "isNull"] ' |
| 1356 | . '[name(./responseIf/not/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] ' |
| 1357 | . '[name(./responseIf/setOutcomeValue/*[1]) = "sum"] ' |
| 1358 | . '[name(./responseIf/setOutcomeValue/sum/*[1]) = "variable"] ' |
| 1359 | . '[name(./responseIf/setOutcomeValue/sum/*[2]) = "mapResponse"]'; |
| 1360 | $patternMappingPointTAO = '/responseCondition [count(./*) = 1] [name(./*[1]) = "responseIf"] ' |
| 1361 | . '[count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "not"] [name(./responseIf/not/*[1]) = "isNull"] ' |
| 1362 | . '[name(./responseIf/not/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] ' |
| 1363 | . '[name(./responseIf/setOutcomeValue/*[1]) = "sum"] ' |
| 1364 | . '[name(./responseIf/setOutcomeValue/sum/*[1]) = "variable"] ' |
| 1365 | . '[name(./responseIf/setOutcomeValue/sum/*[2]) = "mapResponsePoint"]'; |
| 1366 | |
| 1367 | $subPatternFeedbackOperatorIf = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1368 | . '[contains(name(./responseIf/*[1]/*[1]), "map")] [name(./responseIf/*[1]/*[2]) = "baseValue" ] ' |
| 1369 | . '[name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]'; |
| 1370 | $subPatternFeedbackElse = '[name(./*[2]) = "responseElse"] [count(./responseElse/*) = 1 ] ' |
| 1371 | . '[name(./responseElse/*[1]) = "setOutcomeValue"] ' |
| 1372 | . '[name(./responseElse/setOutcomeValue/*[1]) = "baseValue"]'; |
| 1373 | $subPatternFeedbackCorrect = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1374 | . '[name(./responseIf/*[1]) = "match" ] [name(./responseIf/*[1]/*[1]) = "variable" ] ' |
| 1375 | . '[name(./responseIf/*[1]/*[2]) = "correct" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1376 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]'; |
| 1377 | $subPatternFeedbackIncorrect = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1378 | . '[name(./responseIf/*[1]) = "not" ] [count(./responseIf/not) = 1 ] ' |
| 1379 | . '[name(./responseIf/not/*[1]) = "match" ] [name(./responseIf/not/*[1]/*[1]) = "variable" ] ' |
| 1380 | . '[name(./responseIf/not/*[1]/*[2]) = "correct" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1381 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]'; |
| 1382 | $subPatternFeedbackMatchChoices = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1383 | . '[name(./responseIf/*[1]) = "match" ] [name(./responseIf/*[1]/*[2]) = "multiple" ] ' |
| 1384 | . '[name(./responseIf/*[1]/*[2]/*) = "baseValue" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1385 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ] '; |
| 1386 | $subPatternFeedbackMatchChoicesEmpty = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1387 | . '[name(./responseIf/*[1]) = "match" ] [name(./responseIf/*[1]/*[2]) = "multiple" ] ' |
| 1388 | . '[count(./responseIf/*[1]/*[2]/*) = 0 ] [name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1389 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ] '; |
| 1390 | $subPatternFeedbackMatchChoice = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] ' |
| 1391 | . '[name(./responseIf/*[1]) = "match" ] [name(./responseIf/*[1]/*[2]) = "baseValue" ] ' |
| 1392 | . '[name(./responseIf/*[2]) = "setOutcomeValue" ] ' |
| 1393 | . '[name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ] '; |
| 1394 | $patternFeedbackOperator = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackOperatorIf; |
| 1395 | $patternFeedbackOperatorWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackOperatorIf |
| 1396 | . $subPatternFeedbackElse; |
| 1397 | $patternFeedbackCorrect = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackCorrect; |
| 1398 | $patternFeedbackCorrectWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackCorrect |
| 1399 | . $subPatternFeedbackElse; |
| 1400 | $patternFeedbackIncorrect = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackIncorrect; |
| 1401 | $patternFeedbackIncorrectWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackIncorrect |
| 1402 | . $subPatternFeedbackElse; |
| 1403 | $patternFeedbackMatchChoices = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackMatchChoices; |
| 1404 | $patternFeedbackMatchChoicesWithElse = '/responseCondition [count(./*) = 2 ]' |
| 1405 | . $subPatternFeedbackMatchChoices . $subPatternFeedbackElse; |
| 1406 | $patternFeedbackMatchChoice = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackMatchChoice; |
| 1407 | $patternFeedbackMatchChoicesEmpty = '/responseCondition [count(./*) = 1 ]' |
| 1408 | . $subPatternFeedbackMatchChoicesEmpty; |
| 1409 | $patternFeedbackMatchChoicesEmptyWithElse = '/responseCondition [count(./*) = 2 ]' |
| 1410 | . $subPatternFeedbackMatchChoicesEmpty . $subPatternFeedbackElse; |
| 1411 | $patternFeedbackMatchChoice = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackMatchChoice; |
| 1412 | $patternFeedbackMatchChoiceWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackMatchChoice |
| 1413 | . $subPatternFeedbackElse; |
| 1414 | |
| 1415 | $rules = []; |
| 1416 | $simpleFeedbackRules = []; |
| 1417 | $data = simplexml_import_dom($data); |
| 1418 | |
| 1419 | foreach ($data as $responseRule) { |
| 1420 | $feedbackRule = null; |
| 1421 | $subtree = new SimpleXMLElement($responseRule->asXML()); |
| 1422 | |
| 1423 | if (count($subtree->xpath($patternCorrectTAO)) > 0) { |
| 1424 | $responseIdentifier = (string) $subtree->responseIf->match->variable['identifier']; |
| 1425 | $rules[$responseIdentifier] = Template::MATCH_CORRECT; |
| 1426 | } elseif (count($subtree->xpath($patternMappingTAO)) > 0) { |
| 1427 | $responseIdentifier = (string) $subtree->responseIf->not->isNull->variable['identifier']; |
| 1428 | $rules[$responseIdentifier] = Template::MAP_RESPONSE; |
| 1429 | } elseif (count($subtree->xpath($patternMappingPointTAO)) > 0) { |
| 1430 | $responseIdentifier = (string) $subtree->responseIf->not->isNull->variable['identifier']; |
| 1431 | $rules[$responseIdentifier] = Template::MAP_RESPONSE_POINT; |
| 1432 | } elseif ( |
| 1433 | count($subtree->xpath($patternFeedbackCorrect)) > 0 |
| 1434 | || count($subtree->xpath($patternFeedbackCorrectWithElse)) > 0 |
| 1435 | ) { |
| 1436 | $feedbackRule = $this->buildSimpleFeedbackRule($subtree, 'correct'); |
| 1437 | } elseif ( |
| 1438 | count($subtree->xpath($patternFeedbackIncorrect)) > 0 |
| 1439 | || count($subtree->xpath($patternFeedbackIncorrectWithElse)) > 0 |
| 1440 | ) { |
| 1441 | $responseIdentifier = (string) $subtree->responseIf->not->match->variable['identifier']; |
| 1442 | $feedbackRule = $this->buildSimpleFeedbackRule($subtree, 'incorrect', null, $responseIdentifier); |
| 1443 | } elseif ( |
| 1444 | count($subtree->xpath($patternFeedbackOperator)) > 0 |
| 1445 | || count($subtree->xpath($patternFeedbackOperatorWithElse)) > 0 |
| 1446 | ) { |
| 1447 | $operator = ''; |
| 1448 | $responseIdentifier = ''; |
| 1449 | $value = ''; |
| 1450 | foreach ($subtree->responseIf->children() as $child) { |
| 1451 | $operator = $child->getName(); |
| 1452 | $map = null; |
| 1453 | foreach ($child->children() as $granChild) { |
| 1454 | $map = $granChild->getName(); |
| 1455 | $responseIdentifier = (string) $granChild['identifier']; |
| 1456 | break; |
| 1457 | } |
| 1458 | $value = (string) $child->baseValue; |
| 1459 | break; |
| 1460 | } |
| 1461 | $feedbackRule = $this->buildSimpleFeedbackRule($subtree, $operator, $value); |
| 1462 | } elseif ( |
| 1463 | count($subtree->xpath($patternFeedbackMatchChoices)) > 0 |
| 1464 | || count($subtree->xpath($patternFeedbackMatchChoicesWithElse)) > 0 |
| 1465 | || count($subtree->xpath($patternFeedbackMatchChoicesEmpty)) > 0 |
| 1466 | || count($subtree->xpath($patternFeedbackMatchChoicesEmptyWithElse)) > 0 |
| 1467 | ) { |
| 1468 | $choices = []; |
| 1469 | foreach ($subtree->responseIf->match->multiple->baseValue as $choice) { |
| 1470 | $choices[] = (string)$choice; |
| 1471 | } |
| 1472 | $feedbackRule = $this->buildSimpleFeedbackRule($subtree, 'choices', $choices); |
| 1473 | } elseif ( |
| 1474 | count($subtree->xpath($patternFeedbackMatchChoice)) > 0 |
| 1475 | || count($subtree->xpath($patternFeedbackMatchChoiceWithElse)) > 0 |
| 1476 | ) { |
| 1477 | $choices = [(string)$subtree->responseIf->match->baseValue]; |
| 1478 | $feedbackRule = $this->buildSimpleFeedbackRule($subtree, 'choices', $choices); |
| 1479 | } else { |
| 1480 | throw new UnexpectedResponseProcessing('Not template driven, unknown rule'); |
| 1481 | } |
| 1482 | |
| 1483 | if (!is_null($feedbackRule)) { |
| 1484 | $responseIdentifier = $feedbackRule->comparedOutcome()->getIdentifier(); |
| 1485 | if (!isset($simpleFeedbackRules[$responseIdentifier])) { |
| 1486 | $simpleFeedbackRules[$responseIdentifier] = []; |
| 1487 | } |
| 1488 | $simpleFeedbackRules[$responseIdentifier][] = $feedbackRule; |
| 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | $responseIdentifiers = []; |
| 1493 | foreach ($interactions as $interaction) { |
| 1494 | $interactionResponse = $interaction->getResponse(); |
| 1495 | $responseIdentifier = $interactionResponse->getIdentifier(); |
| 1496 | $responseIdentifiers[] = $responseIdentifier; |
| 1497 | |
| 1498 | //create and set simple feedback rule here |
| 1499 | if (isset($simpleFeedbackRules[$responseIdentifier])) { |
| 1500 | foreach ($simpleFeedbackRules[$responseIdentifier] as $rule) { |
| 1501 | $interactionResponse->addFeedbackRule($rule); |
| 1502 | } |
| 1503 | } |
| 1504 | } |
| 1505 | |
| 1506 | //all rules must have been previously identified as belonging to one interaction |
| 1507 | if (count(array_diff(array_keys($rules), $responseIdentifiers)) > 0) { |
| 1508 | throw new UnexpectedResponseProcessing( |
| 1509 | 'Not template driven, responseIdentifiers are ' . implode(',', $responseIdentifiers) |
| 1510 | . ' while rules are ' . implode(',', array_keys($rules)) |
| 1511 | ); |
| 1512 | } |
| 1513 | |
| 1514 | $templatesDrivenRP = new TemplatesDriven(); |
| 1515 | foreach ($interactions as $interaction) { |
| 1516 | //if a rule has been found for an interaction, apply it. Default to the template NONE otherwise |
| 1517 | $pattern = isset($rules[$interaction->getResponse()->getIdentifier()]) |
| 1518 | ? $rules[$interaction->getResponse()->getIdentifier()] |
| 1519 | : Template::NONE; |
| 1520 | $templatesDrivenRP->setTemplate($interaction->getResponse(), $pattern); |
| 1521 | } |
| 1522 | $templatesDrivenRP->setRelatedItem($this->item); |
| 1523 | $returnValue = $templatesDrivenRP; |
| 1524 | |
| 1525 | return $returnValue; |
| 1526 | } |
| 1527 | |
| 1528 | private function buildSimpleFeedbackRule($subtree, $conditionName, $comparedValue = null, $responseId = '') |
| 1529 | { |
| 1530 | |
| 1531 | $responseIdentifier = empty($responseId) |
| 1532 | ? (string) $subtree->responseIf->match->variable['identifier'] |
| 1533 | : $responseId; |
| 1534 | $feedbackOutcomeIdentifier = (string) $subtree->responseIf->setOutcomeValue['identifier']; |
| 1535 | $feedbackIdentifier = (string) $subtree->responseIf->setOutcomeValue->baseValue; |
| 1536 | |
| 1537 | try { |
| 1538 | $response = $this->getResponse($responseIdentifier); |
| 1539 | $outcome = $this->getOutcome($feedbackOutcomeIdentifier); |
| 1540 | $feedbackThen = $this->getModalFeedback($feedbackIdentifier); |
| 1541 | |
| 1542 | $feedbackElse = null; |
| 1543 | if ($subtree->responseElse->getName()) { |
| 1544 | $feedbackElseIdentifier = (string) $subtree->responseElse->setOutcomeValue->baseValue; |
| 1545 | $feedbackElse = $this->getModalFeedback($feedbackElseIdentifier); |
| 1546 | } |
| 1547 | |
| 1548 | $feedbackRule = new SimpleFeedbackRule($outcome, $feedbackThen, $feedbackElse); |
| 1549 | $feedbackRule->setCondition($response, $conditionName, $comparedValue); |
| 1550 | } catch (ParsingException $e) { |
| 1551 | throw new UnexpectedResponseProcessing('Feedback resources not found. Not template driven, unknown rule'); |
| 1552 | } |
| 1553 | return $feedbackRule; |
| 1554 | } |
| 1555 | /** |
| 1556 | * Short description of method buildObject |
| 1557 | * |
| 1558 | * @access private |
| 1559 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 1560 | * @param DOMElement $data |
| 1561 | * @return \oat\taoQtiItem\model\qti\QtiObject |
| 1562 | */ |
| 1563 | private function buildObject(DOMElement $data) |
| 1564 | { |
| 1565 | |
| 1566 | $attributes = $this->extractAttributes($data); |
| 1567 | $returnValue = new QtiObject($attributes); |
| 1568 | |
| 1569 | if ($data->hasChildNodes()) { |
| 1570 | $nonEmptyChild = $this->getNonEmptyChildren($data); |
| 1571 | if (count($nonEmptyChild) == 1 && reset($nonEmptyChild)->nodeName == 'object') { |
| 1572 | $alt = $this->buildObject(reset($nonEmptyChild)); |
| 1573 | $returnValue->setAlt($alt); |
| 1574 | } else { |
| 1575 | //get the node xml content |
| 1576 | $pattern = ["/^<{$data->nodeName}([^>]*)?>/i", "/<\/{$data->nodeName}([^>]*)?>$/i"]; |
| 1577 | $content = preg_replace($pattern, '', trim($this->saveXML($data))); |
| 1578 | $returnValue->setAlt($content); |
| 1579 | } |
| 1580 | } else { |
| 1581 | $alt = trim($data->nodeValue); |
| 1582 | if (!empty($alt)) { |
| 1583 | $returnValue->setAlt($alt); |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | return $returnValue; |
| 1588 | } |
| 1589 | |
| 1590 | private function buildImg(DOMElement $data) |
| 1591 | { |
| 1592 | |
| 1593 | $attributes = $this->extractAttributes($data); |
| 1594 | $returnValue = new Img($attributes); |
| 1595 | |
| 1596 | return $returnValue; |
| 1597 | } |
| 1598 | |
| 1599 | private function buildFigCaption(DOMElement $data): FigCaption |
| 1600 | { |
| 1601 | $attributes = $this->extractAttributes($data); |
| 1602 | $figCaption = new FigCaption($attributes); |
| 1603 | $this->parseContainerStatic($data, $figCaption->getBody()); |
| 1604 | |
| 1605 | return $figCaption; |
| 1606 | } |
| 1607 | |
| 1608 | private function buildTooltip(DOMElement $data, DOMElement $context) |
| 1609 | { |
| 1610 | |
| 1611 | $tooltip = null; |
| 1612 | $attributes = $this->extractAttributes($data); |
| 1613 | |
| 1614 | // Look for tooltip content |
| 1615 | $contentId = $attributes['aria-describedby']; |
| 1616 | if (!empty($contentId)) { |
| 1617 | $tooltipContentNodes = $this->queryXPath(".//*[@id='$contentId']", $context); |
| 1618 | $tooltipContent = $tooltipContentNodes[0]; |
| 1619 | |
| 1620 | if (!is_null($tooltipContent)) { |
| 1621 | $content = $this->getNodeContentAsHtml($this->data, $tooltipContent); |
| 1622 | |
| 1623 | // Content has been found, we can build the tooltip |
| 1624 | $tooltip = new Tooltip($attributes); |
| 1625 | $tooltip->setContent($content); |
| 1626 | |
| 1627 | // remove the tooltip content node so it does not pollute the markup |
| 1628 | $tooltipContent->parentNode->removeChild($tooltipContent); |
| 1629 | |
| 1630 | // Set the tooltip target |
| 1631 | $this->parseContainerStatic($data, $tooltip->getBody()); |
| 1632 | } |
| 1633 | } |
| 1634 | return $tooltip; |
| 1635 | } |
| 1636 | |
| 1637 | private function getNodeContentAsHtml(DOMDocument $document, DOMElement $node) |
| 1638 | { |
| 1639 | $html = ""; |
| 1640 | $children = $node->childNodes; |
| 1641 | foreach ($children as $childNode) { |
| 1642 | $html .= $document->saveXML($childNode); |
| 1643 | } |
| 1644 | return $html; |
| 1645 | } |
| 1646 | |
| 1647 | private function buildTable(DOMElement $data) |
| 1648 | { |
| 1649 | |
| 1650 | $attributes = $this->extractAttributes($data); |
| 1651 | $table = new Table($attributes); |
| 1652 | $this->parseContainerStatic($data, $table->getBody()); |
| 1653 | |
| 1654 | return $table; |
| 1655 | } |
| 1656 | |
| 1657 | private function buildFigure(DOMElement $data): Figure |
| 1658 | { |
| 1659 | |
| 1660 | $attributes = $this->extractAttributes($data); |
| 1661 | $figure = new Figure($attributes); |
| 1662 | $this->parseContainerStatic($data, $figure->getBody()); |
| 1663 | |
| 1664 | return $figure; |
| 1665 | } |
| 1666 | |
| 1667 | private function buildMath(DOMElement $data) |
| 1668 | { |
| 1669 | |
| 1670 | $ns = $this->getMathNamespace(); |
| 1671 | $annotationNodes = $this->queryXPath(".//*[name(.)='" . (empty($ns) ? '' : $ns . ':') . "annotation']", $data); |
| 1672 | $annotations = []; |
| 1673 | //need to extract the namespace, and clean it in the "bodydata" |
| 1674 | foreach ($annotationNodes as $annotationNode) { |
| 1675 | $attr = $this->extractAttributes($annotationNode); |
| 1676 | $encoding = isset($attr['encoding']) ? strtolower(trim($attr['encoding'])) : ''; |
| 1677 | $str = $this->getBodyData($annotationNode); |
| 1678 | if (!empty($encoding) && !empty($str)) { |
| 1679 | $annotations[$encoding] = $str; |
| 1680 | $this->deleteNode($annotationNode); |
| 1681 | } |
| 1682 | } |
| 1683 | |
| 1684 | $math = new Math($this->extractAttributes($data)); |
| 1685 | $body = $this->getBodyData($data, true); |
| 1686 | $math->setMathML($body); |
| 1687 | $math->setAnnotations($annotations); |
| 1688 | |
| 1689 | return $math; |
| 1690 | } |
| 1691 | |
| 1692 | private function buildXInclude(DOMElement $data) |
| 1693 | { |
| 1694 | |
| 1695 | return new XInclude($this->extractAttributes($data)); |
| 1696 | } |
| 1697 | |
| 1698 | protected function getNonEmptyChildren(DOMElement $data) |
| 1699 | { |
| 1700 | $returnValue = []; |
| 1701 | foreach ($data->childNodes as $childNode) { |
| 1702 | if ($childNode->nodeName == '#text') { |
| 1703 | if (trim($childNode->nodeValue) != '') { |
| 1704 | $returnValue[] = $childNode; |
| 1705 | } |
| 1706 | } else { |
| 1707 | $returnValue[] = $childNode; |
| 1708 | } |
| 1709 | } |
| 1710 | return $returnValue; |
| 1711 | } |
| 1712 | |
| 1713 | private function buildStylesheet(DOMElement $data) |
| 1714 | { |
| 1715 | $returnValue = new Stylesheet([ |
| 1716 | 'href' => (string) $data->getAttribute('href'), |
| 1717 | 'title' => $data->hasAttribute('title') ? (string) $data->getAttribute('title') : '', |
| 1718 | 'media' => $data->hasAttribute('media') ? (string) $data->getAttribute('media') : 'screen', |
| 1719 | 'type' => $data->hasAttribute('type') ? (string) $data->getAttribute('type') : 'text/css', |
| 1720 | ]); |
| 1721 | |
| 1722 | return $returnValue; |
| 1723 | } |
| 1724 | |
| 1725 | private function buildRubricBlock(DOMElement $data) |
| 1726 | { |
| 1727 | |
| 1728 | $returnValue = new RubricBlock($this->extractAttributes($data)); |
| 1729 | $this->parseContainerStatic($data, $returnValue->getBody()); |
| 1730 | |
| 1731 | return $returnValue; |
| 1732 | } |
| 1733 | |
| 1734 | private function buildFeedback(DOMElement $data, $interactive = false) |
| 1735 | { |
| 1736 | |
| 1737 | $type = ucfirst($data->nodeName); |
| 1738 | $feedbackClass = '\\oat\\taoQtiItem\\model\\qti\\feedback\\' . $type; |
| 1739 | if (!class_exists($feedbackClass)) { |
| 1740 | throw new ParsingException('The interaction class cannot be found: ' . $feedbackClass); |
| 1741 | } |
| 1742 | |
| 1743 | $attributes = $this->extractAttributes($data); |
| 1744 | |
| 1745 | if ($data->nodeName == 'modalFeedback') { |
| 1746 | $myFeedback = new $feedbackClass($attributes, $this->item); |
| 1747 | $this->parseContainerStatic($data, $myFeedback->getBody()); |
| 1748 | } else { |
| 1749 | throw new UnsupportedQtiElement($data); |
| 1750 | } |
| 1751 | |
| 1752 | return $myFeedback; |
| 1753 | } |
| 1754 | |
| 1755 | /** |
| 1756 | * Return the list of registered php portable element subclasses |
| 1757 | * @return array |
| 1758 | */ |
| 1759 | private function getPortableElementSubclasses($superClassName) |
| 1760 | { |
| 1761 | $subClasses = []; |
| 1762 | foreach (PortableModelRegistry::getRegistry()->getModels() as $model) { |
| 1763 | $portableElementClass = $model->getQtiElementClassName(); |
| 1764 | if (is_subclass_of($portableElementClass, $superClassName)) { |
| 1765 | $subClasses[] = $portableElementClass; |
| 1766 | } |
| 1767 | } |
| 1768 | return $subClasses; |
| 1769 | } |
| 1770 | |
| 1771 | /** |
| 1772 | * Get the PCI class associated to a dom node based on its namespace |
| 1773 | * Returns null if not a known PCI model |
| 1774 | * |
| 1775 | * @param DOMElement $data |
| 1776 | * @return null |
| 1777 | */ |
| 1778 | private function getPortableElementClass(DOMElement $data, $superClassName, $portableElementNodeName) |
| 1779 | { |
| 1780 | |
| 1781 | $portableElementClasses = $this->getPortableElementSubclasses($superClassName); |
| 1782 | |
| 1783 | //start searching from globally declared namespace |
| 1784 | foreach ($this->item->getNamespaces() as $name => $uri) { |
| 1785 | foreach ($portableElementClasses as $class) { |
| 1786 | if ( |
| 1787 | $uri === $class::NS_URI |
| 1788 | && $this->queryXPathChildren([$portableElementNodeName], $data, $name)->length |
| 1789 | ) { |
| 1790 | return $class; |
| 1791 | } |
| 1792 | } |
| 1793 | } |
| 1794 | |
| 1795 | //not found as a global namespace definition, try local namespace |
| 1796 | if ($this->queryXPathChildren([$portableElementNodeName], $data)->length) { |
| 1797 | $pciNode = $this->queryXPathChildren([$portableElementNodeName], $data)[0]; |
| 1798 | $xmlns = $pciNode->getAttribute('xmlns'); |
| 1799 | foreach ($portableElementClasses as $phpClass) { |
| 1800 | if ($phpClass::NS_URI === $xmlns) { |
| 1801 | return $phpClass; |
| 1802 | } |
| 1803 | } |
| 1804 | } |
| 1805 | |
| 1806 | //not a known portable element type |
| 1807 | return null; |
| 1808 | } |
| 1809 | |
| 1810 | private function getPciClass(DOMElement $data) |
| 1811 | { |
| 1812 | return $this->getPortableElementClass( |
| 1813 | $data, |
| 1814 | 'oat\\taoQtiItem\\model\\qti\\interaction\\CustomInteraction', |
| 1815 | 'portableCustomInteraction' |
| 1816 | ); |
| 1817 | } |
| 1818 | |
| 1819 | private function getPicClass(DOMElement $data) |
| 1820 | { |
| 1821 | return $this->getPortableElementClass($data, 'oat\\taoQtiItem\\model\\qti\\InfoControl', 'portableInfoControl'); |
| 1822 | } |
| 1823 | |
| 1824 | /** |
| 1825 | * Parse and build a custom interaction object |
| 1826 | * |
| 1827 | * @param DOMElement $data |
| 1828 | * @return CustomInteraction |
| 1829 | * @throws ParsingException |
| 1830 | */ |
| 1831 | private function buildCustomInteraction(DOMElement $data) |
| 1832 | { |
| 1833 | |
| 1834 | $interaction = null; |
| 1835 | |
| 1836 | $pciClass = $this->getPciClass($data); |
| 1837 | |
| 1838 | if (!empty($pciClass)) { |
| 1839 | $ns = null; |
| 1840 | foreach ($this->item->getNamespaces() as $name => $uri) { |
| 1841 | if ($pciClass::NS_URI === $uri) { |
| 1842 | $ns = new QtiNamespace($uri, $name); |
| 1843 | } |
| 1844 | } |
| 1845 | if (is_null($ns)) { |
| 1846 | $pciNodes = $this->queryXPathChildren(['portableCustomInteraction'], $data); |
| 1847 | if ($pciNodes->length) { |
| 1848 | $ns = new QtiNamespace($pciNodes->item(0)->getAttribute('xmlns')); |
| 1849 | } |
| 1850 | } |
| 1851 | |
| 1852 | //use tao's implementation of portable custom interaction |
| 1853 | $interaction = new $pciClass($this->extractAttributes($data), $this->item); |
| 1854 | $interaction->feed($this, $data, $ns); |
| 1855 | } else { |
| 1856 | $ciClass = ''; |
| 1857 | $classes = $data->getAttribute('class'); |
| 1858 | $classeNames = preg_split('/\s+/', $classes); |
| 1859 | foreach ($classeNames as $classeName) { |
| 1860 | $ciClass = CustomInteractionRegistry::getCustomInteractionByName($classeName); |
| 1861 | if ($ciClass) { |
| 1862 | $interaction = new $ciClass($this->extractAttributes($data), $this->item); |
| 1863 | $interaction->feed($this, $data); |
| 1864 | break; |
| 1865 | } |
| 1866 | } |
| 1867 | |
| 1868 | if (!$ciClass) { |
| 1869 | throw new ParsingException('unknown custom interaction to be build'); |
| 1870 | } |
| 1871 | } |
| 1872 | |
| 1873 | return $interaction; |
| 1874 | } |
| 1875 | |
| 1876 | /** |
| 1877 | * Parse and build a info control |
| 1878 | * |
| 1879 | * @param DOMElement $data |
| 1880 | * @return InfoControl |
| 1881 | * @throws ParsingException |
| 1882 | */ |
| 1883 | private function buildInfoControl(DOMElement $data) |
| 1884 | { |
| 1885 | |
| 1886 | $infoControl = null; |
| 1887 | |
| 1888 | $picClass = $this->getPicClass($data); |
| 1889 | |
| 1890 | if (!empty($picClass)) { |
| 1891 | $ns = null; |
| 1892 | foreach ($this->item->getNamespaces() as $name => $uri) { |
| 1893 | if ($picClass::NS_URI === $uri) { |
| 1894 | $ns = new QtiNamespace($uri, $name); |
| 1895 | } |
| 1896 | } |
| 1897 | if (is_null($ns)) { |
| 1898 | $pciNodes = $this->queryXPathChildren(['portableInfoControl'], $data); |
| 1899 | if ($pciNodes->length) { |
| 1900 | $ns = new QtiNamespace($pciNodes->item(0)->getAttribute('xmlns')); |
| 1901 | } |
| 1902 | } |
| 1903 | |
| 1904 | //use tao's implementation of portable custom interaction |
| 1905 | $infoControl = new PortableInfoControl($this->extractAttributes($data), $this->item); |
| 1906 | $infoControl->feed($this, $data, $ns); |
| 1907 | } else { |
| 1908 | $ciClass = ''; |
| 1909 | $classes = $data->getAttribute('class'); |
| 1910 | $classeNames = preg_split('/\s+/', $classes); |
| 1911 | foreach ($classeNames as $classeName) { |
| 1912 | $ciClass = InfoControlRegistry::getInfoControlByName($classeName); |
| 1913 | if ($ciClass) { |
| 1914 | $infoControl = new $ciClass($this->extractAttributes($data), $this->item); |
| 1915 | $infoControl->feed($this, $data); |
| 1916 | break; |
| 1917 | } |
| 1918 | } |
| 1919 | |
| 1920 | if (!$ciClass) { |
| 1921 | throw new UnsupportedQtiElement($data); |
| 1922 | } |
| 1923 | } |
| 1924 | |
| 1925 | return $infoControl; |
| 1926 | } |
| 1927 | } |