| 84769fd8 |
1 | <?php // $Id$ |
| 2 | // |
| 3 | /////////////////////////////////////////////////////////////// |
| 4 | // XML import/export |
| 5 | // |
| 6 | ////////////////////////////////////////////////////////////////////////// |
| 7 | // Based on default.php, included by ../import.php |
| 41a89a07 |
8 | /** |
| 9 | * @package questionbank |
| 10 | * @subpackage importexport |
| 11 | */ |
| 84769fd8 |
12 | require_once( "$CFG->libdir/xmlize.php" ); |
| 13 | |
| f5565b69 |
14 | class qformat_xml extends qformat_default { |
| 84769fd8 |
15 | |
| 16 | function provide_import() { |
| 17 | return true; |
| 18 | } |
| 19 | |
| 20 | function provide_export() { |
| 21 | return true; |
| 22 | } |
| 23 | |
| 24 | // IMPORT FUNCTIONS START HERE |
| 25 | |
| 6e557c08 |
26 | /** |
| c81415c7 |
27 | * Translate human readable format name |
| 28 | * into internal Moodle code number |
| 6e557c08 |
29 | * @param string name format name from xml file |
| 30 | * @return int Moodle format code |
| c81415c7 |
31 | */ |
| 84769fd8 |
32 | function trans_format( $name ) { |
| 84769fd8 |
33 | $name = trim($name); |
| 34 | |
| 35 | if ($name=='moodle_auto_format') { |
| 36 | $id = 0; |
| 37 | } |
| 38 | elseif ($name=='html') { |
| 39 | $id = 1; |
| 40 | } |
| 41 | elseif ($name=='plain_text') { |
| 42 | $id = 2; |
| 43 | } |
| 44 | elseif ($name=='wiki_like') { |
| 45 | $id = 3; |
| 46 | } |
| 47 | elseif ($name=='markdown') { |
| 48 | $id = 4; |
| 49 | } |
| 50 | else { |
| 51 | $id = 0; // or maybe warning required |
| 52 | } |
| 53 | return $id; |
| 54 | } |
| 55 | |
| 6e557c08 |
56 | /** |
| c81415c7 |
57 | * Translate human readable single answer option |
| 58 | * to internal code number |
| 6e557c08 |
59 | * @param string name true/false |
| 60 | * @return int internal code number |
| c81415c7 |
61 | */ |
| 84769fd8 |
62 | function trans_single( $name ) { |
| 2da44816 |
63 | $name = trim($name); |
| 64 | if ($name == "false" || !$name) { |
| 65 | return 0; |
| 66 | } else { |
| 67 | return 1; |
| 68 | } |
| 84769fd8 |
69 | } |
| 70 | |
| 6e557c08 |
71 | /** |
| c81415c7 |
72 | * process text string from xml file |
| 6e557c08 |
73 | * @param array $text bit of xml tree after ['text'] |
| 74 | * @return string processed text |
| c81415c7 |
75 | */ |
| 84769fd8 |
76 | function import_text( $text ) { |
| 17102269 |
77 | // quick sanity check |
| 78 | if (empty($text)) { |
| 79 | return ''; |
| 80 | } |
| 84769fd8 |
81 | $data = $text[0]['#']; |
| 84769fd8 |
82 | return addslashes(trim( $data )); |
| 83 | } |
| 84 | |
| 307f045f |
85 | /** |
| 86 | * Process text from an element in the XML that may or not be there. |
| 87 | * @param string $subelement the name of the element which is either present or missing. |
| 88 | * @param array $question a bit of xml tree, this method looks for $question['#'][$subelement][0]['#']['text']. |
| 89 | * @return string If $subelement is present, return the content of the text tag inside it. |
| 90 | * Otherwise returns an empty string. |
| 91 | */ |
| 92 | function import_optional_text($subelement, $question) { |
| 93 | if (array_key_exists($subelement, $question['#'])) { |
| 94 | return $this->import_text($question['#'][$subelement][0]['#']['text']); |
| 95 | } else { |
| 96 | return ''; |
| 97 | } |
| 98 | } |
| 99 | |
| 46013523 |
100 | /** |
| 101 | * return the value of a node, given a path to the node |
| 102 | * if it doesn't exist return the default value |
| 103 | * @param array xml data to read |
| 104 | * @param array path path to node expressed as array |
| 105 | * @param mixed default |
| 106 | * @param bool istext process as text |
| 107 | * @param string error if set value must exist, return false and issue message if not |
| 108 | * @return mixed value |
| 109 | */ |
| 110 | function getpath( $xml, $path, $default, $istext=false, $error='' ) { |
| 111 | foreach ($path as $index) { |
| 112 | if (empty($xml[$index])) { |
| 113 | if (!empty($error)) { |
| 114 | $this->error( $error ); |
| 115 | return false; |
| 116 | } else { |
| 117 | return $default; |
| 118 | } |
| 119 | } |
| 120 | else $xml = $xml[$index]; |
| 121 | } |
| 122 | if ($istext) { |
| 123 | $xml = addslashes( trim( $xml ) ); |
| 124 | } |
| 125 | |
| 126 | return $xml; |
| 127 | } |
| 128 | |
| 129 | |
| 6e557c08 |
130 | /** |
| c81415c7 |
131 | * import parts of question common to all types |
| 6e557c08 |
132 | * @param array question question array from xml tree |
| 133 | * @return object question object |
| c81415c7 |
134 | */ |
| 84769fd8 |
135 | function import_headers( $question ) { |
| 46013523 |
136 | // get some error strings |
| 137 | $error_noname = get_string( 'xmlimportnoname','quiz' ); |
| 138 | $error_noquestion = get_string( 'xmlimportnoquestion','quiz' ); |
| 139 | |
| 84769fd8 |
140 | // this routine initialises the question object |
| 5bed54e1 |
141 | $qo = $this->defaultquestion(); |
| 84769fd8 |
142 | |
| 46013523 |
143 | // question name |
| 144 | $qo->name = $this->getpath( $question, array('#','name',0,'#','text',0,'#'), '', true, $error_noname ); |
| 6af98025 |
145 | $qo->questiontext = $this->getpath( $question, array('#','questiontext',0,'#','text',0,'#'), '', true ); |
| 46013523 |
146 | $qo->questiontextformat = $this->getpath( $question, array('#','questiontext',0,'@','format'), '' ); |
| 147 | $image = $this->getpath( $question, array('#','image',0,'#'), $qo->image ); |
| 148 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 149 | if (!empty($image_base64)) { |
| 150 | $qo->image = $this->importimagefile( $image, stripslashes(image_base64) ); |
| 151 | } |
| 152 | $qo->generalfeedback = $this->getpath( $question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true ); |
| 153 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); |
| 154 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); |
| 84769fd8 |
155 | |
| 156 | return $qo; |
| 157 | } |
| 158 | |
| 6e557c08 |
159 | /** |
| c81415c7 |
160 | * import the common parts of a single answer |
| 6e557c08 |
161 | * @param array answer xml tree for single answer |
| 162 | * @return object answer object |
| c81415c7 |
163 | */ |
| 84769fd8 |
164 | function import_answer( $answer ) { |
| 6af98025 |
165 | $fraction = $this->getpath($answer, array('@','fraction'), 0); |
| 166 | $text = $this->getpath( $answer, array('#','text',0,'#'),'',true); |
| 84769fd8 |
167 | $feedback = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); |
| 168 | |
| 169 | $ans = null; |
| 170 | $ans->answer = $text; |
| 171 | $ans->fraction = $fraction / 100; |
| 172 | $ans->feedback = $feedback; |
| 173 | |
| 174 | return $ans; |
| 175 | } |
| 176 | |
| 6e557c08 |
177 | /** |
| c81415c7 |
178 | * import multiple choice question |
| 6e557c08 |
179 | * @param array question question array from xml tree |
| 180 | * @return object question object |
| c81415c7 |
181 | */ |
| 84769fd8 |
182 | function import_multichoice( $question ) { |
| 84769fd8 |
183 | // get common parts |
| 184 | $qo = $this->import_headers( $question ); |
| 185 | |
| 186 | // 'header' parts particular to multichoice |
| 187 | $qo->qtype = MULTICHOICE; |
| 188 | $single = $question['#']['single'][0]['#']; |
| 189 | $qo->single = $this->trans_single( $single ); |
| 307f045f |
190 | if (array_key_exists('shuffleanswers', $question['#'])) { |
| 191 | $shuffleanswers = $question['#']['shuffleanswers'][0]['#']; |
| 192 | } else { |
| 193 | $shuffleanswers = 'false'; |
| 194 | } |
| 2da44816 |
195 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| 307f045f |
196 | $qo->correctfeedback = $this->import_optional_text('correctfeedback', $question); |
| 197 | $qo->partiallycorrectfeedback = $this->import_optional_text('partiallycorrectfeedback', $question); |
| 198 | $qo->incorrectfeedback = $this->import_optional_text('incorrectfeedback', $question); |
| 199 | |
| 84769fd8 |
200 | // run through the answers |
| 201 | $answers = $question['#']['answer']; |
| 202 | $a_count = 0; |
| 203 | foreach ($answers as $answer) { |
| 204 | $ans = $this->import_answer( $answer ); |
| 205 | $qo->answer[$a_count] = $ans->answer; |
| 206 | $qo->fraction[$a_count] = $ans->fraction; |
| 207 | $qo->feedback[$a_count] = $ans->feedback; |
| 208 | ++$a_count; |
| 209 | } |
| 210 | |
| 211 | return $qo; |
| 212 | } |
| 213 | |
| 6e557c08 |
214 | /** |
| c81415c7 |
215 | * import cloze type question |
| 6e557c08 |
216 | * @param array question question array from xml tree |
| 217 | * @return object question object |
| c81415c7 |
218 | */ |
| 7b8bc256 |
219 | function import_multianswer( $questions ) { |
| 0c6b4d2e |
220 | $questiontext = $questions['#']['questiontext'][0]['#']['text']; |
| 221 | $qo = qtype_multianswer_extract_question($this->import_text($questiontext)); |
| 7b8bc256 |
222 | |
| 223 | // 'header' parts particular to multianswer |
| 224 | $qo->qtype = MULTIANSWER; |
| 225 | $qo->course = $this->course; |
| 226 | |
| 71ffbac2 |
227 | if (!empty($questions)) { |
| 7b8bc256 |
228 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 229 | } |
| 230 | |
| 231 | return $qo; |
| 232 | } |
| 233 | |
| 6e557c08 |
234 | /** |
| c81415c7 |
235 | * import true/false type question |
| 6e557c08 |
236 | * @param array question question array from xml tree |
| 237 | * @return object question object |
| c81415c7 |
238 | */ |
| 84769fd8 |
239 | function import_truefalse( $question ) { |
| 84769fd8 |
240 | // get common parts |
| 241 | $qo = $this->import_headers( $question ); |
| 242 | |
| 243 | // 'header' parts particular to true/false |
| 244 | $qo->qtype = TRUEFALSE; |
| 245 | |
| 246 | // get answer info |
| 3246ed33 |
247 | // |
| 248 | // In the past, it used to be assumed that the two answers were in the file |
| 249 | // true first, then false. Howevever that was not always true. Now, we |
| 250 | // try to match on the answer text, but in old exports, this will be a localised |
| 251 | // string, so if we don't find true or false, we fall back to the old system. |
| 252 | $first = true; |
| 253 | $warning = false; |
| 254 | foreach ($question['#']['answer'] as $answer) { |
| 255 | $answertext = $this->import_text($answer['#']['text']); |
| 256 | $feedback = $this->import_text($answer['#']['feedback'][0]['#']['text']); |
| 257 | if ($answertext != 'true' && $answertext != 'false') { |
| 258 | $warning = true; |
| 259 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. |
| 260 | } |
| 261 | if ($answertext == 'true') { |
| 262 | $qo->answer = ($answer['@']['fraction'] == 100); |
| 7939a4a0 |
263 | $qo->correctanswer = $qo->answer; |
| 3246ed33 |
264 | $qo->feedbacktrue = $feedback; |
| 265 | } else { |
| 266 | $qo->answer = ($answer['@']['fraction'] != 100); |
| 7939a4a0 |
267 | $qo->correctanswer = $qo->answer; |
| 3246ed33 |
268 | $qo->feedbackfalse = $feedback; |
| 269 | } |
| 270 | $first = false; |
| 84769fd8 |
271 | } |
| 3246ed33 |
272 | |
| 273 | if ($warning) { |
| 274 | $a = new stdClass; |
| 55c54868 |
275 | $a->questiontext = $qo->questiontext; |
| 3246ed33 |
276 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| 277 | notify(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 |
278 | } |
| 279 | |
| 280 | return $qo; |
| 281 | } |
| 282 | |
| 6e557c08 |
283 | /** |
| c81415c7 |
284 | * import short answer type question |
| 6e557c08 |
285 | * @param array question question array from xml tree |
| 286 | * @return object question object |
| c81415c7 |
287 | */ |
| 84769fd8 |
288 | function import_shortanswer( $question ) { |
| 84769fd8 |
289 | // get common parts |
| 290 | $qo = $this->import_headers( $question ); |
| 291 | |
| 292 | // header parts particular to shortanswer |
| 293 | $qo->qtype = SHORTANSWER; |
| 294 | |
| 295 | // get usecase |
| 46013523 |
296 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 |
297 | |
| 298 | // run through the answers |
| 299 | $answers = $question['#']['answer']; |
| 300 | $a_count = 0; |
| 301 | foreach ($answers as $answer) { |
| 302 | $ans = $this->import_answer( $answer ); |
| 303 | $qo->answer[$a_count] = $ans->answer; |
| 304 | $qo->fraction[$a_count] = $ans->fraction; |
| 305 | $qo->feedback[$a_count] = $ans->feedback; |
| 306 | ++$a_count; |
| 307 | } |
| 308 | |
| 309 | return $qo; |
| 310 | } |
| 7b8bc256 |
311 | |
| 6e557c08 |
312 | /** |
| c81415c7 |
313 | * import regexp type question |
| 6e557c08 |
314 | * @param array question question array from xml tree |
| 315 | * @return object question object |
| c81415c7 |
316 | */ |
| 7b8bc256 |
317 | function import_regexp( $question ) { |
| 7b8bc256 |
318 | // get common parts |
| 319 | $qo = $this->import_headers( $question ); |
| 320 | |
| 321 | // header parts particular to shortanswer |
| 322 | $qo->qtype = regexp; |
| 323 | |
| 324 | // get usecase |
| 325 | $qo->usecase = $question['#']['usecase'][0]['#']; |
| 326 | |
| 327 | // run through the answers |
| 328 | $answers = $question['#']['answer']; |
| 329 | $a_count = 0; |
| 330 | foreach ($answers as $answer) { |
| 331 | $ans = $this->import_answer( $answer ); |
| 332 | $qo->answer[$a_count] = $ans->answer; |
| 333 | $qo->fraction[$a_count] = $ans->fraction; |
| 334 | $qo->feedback[$a_count] = $ans->feedback; |
| 335 | ++$a_count; |
| 336 | } |
| 84769fd8 |
337 | |
| 7b8bc256 |
338 | return $qo; |
| 339 | } |
| 340 | |
| 6e557c08 |
341 | /** |
| c81415c7 |
342 | * import description type question |
| 6e557c08 |
343 | * @param array question question array from xml tree |
| 344 | * @return object question object |
| c81415c7 |
345 | */ |
| 7b8bc256 |
346 | function import_description( $question ) { |
| 347 | // get common parts |
| 348 | $qo = $this->import_headers( $question ); |
| 349 | // header parts particular to shortanswer |
| 350 | $qo->qtype = DESCRIPTION; |
| 351 | return $qo; |
| 352 | } |
| 84769fd8 |
353 | |
| 6e557c08 |
354 | /** |
| c81415c7 |
355 | * import numerical type question |
| 6e557c08 |
356 | * @param array question question array from xml tree |
| 357 | * @return object question object |
| c81415c7 |
358 | */ |
| 359 | function import_numerical( $question ) { |
| 84769fd8 |
360 | // get common parts |
| 361 | $qo = $this->import_headers( $question ); |
| 362 | |
| 363 | // header parts particular to numerical |
| 364 | $qo->qtype = NUMERICAL; |
| 365 | |
| 366 | // get answers array |
| 367 | $answers = $question['#']['answer']; |
| 368 | $qo->answer = array(); |
| 369 | $qo->feedback = array(); |
| 370 | $qo->fraction = array(); |
| 371 | $qo->tolerance = array(); |
| 372 | foreach ($answers as $answer) { |
| 55c54868 |
373 | // answer outside of <text> is deprecated |
| 374 | if (!empty( $answer['#']['text'] )) { |
| 375 | $answertext = $this->import_text( $answer['#']['text'] ); |
| 376 | } |
| 377 | else { |
| 378 | $answertext = trim($answer['#'][0]); |
| 379 | } |
| 55894a42 |
380 | if ($answertext == '') { |
| 381 | $qo->answer[] = '*'; |
| 382 | } else { |
| 383 | $qo->answer[] = $answertext; |
| 384 | } |
| a0d187bf |
385 | $qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); |
| 84769fd8 |
386 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; |
| 55c54868 |
387 | |
| 388 | // fraction as a tag is deprecated |
| 389 | if (!empty($answer['#']['fraction'][0]['#'])) { |
| 390 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; |
| 391 | } |
| 392 | else { |
| 393 | $qo->fraction[] = $answer['@']['fraction'] / 100; |
| 394 | } |
| 84769fd8 |
395 | } |
| 396 | |
| 397 | // get units array |
| 84769fd8 |
398 | $qo->unit = array(); |
| a0d187bf |
399 | if (isset($question['#']['units'][0]['#']['unit'])) { |
| 400 | $units = $question['#']['units'][0]['#']['unit']; |
| 401 | $qo->multiplier = array(); |
| 402 | foreach ($units as $unit) { |
| 403 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; |
| 404 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; |
| 405 | } |
| 84769fd8 |
406 | } |
| 84769fd8 |
407 | return $qo; |
| 408 | } |
| 409 | |
| 6e557c08 |
410 | /** |
| c81415c7 |
411 | * import matching type question |
| 6e557c08 |
412 | * @param array question question array from xml tree |
| 413 | * @return object question object |
| c81415c7 |
414 | */ |
| 51bcdf28 |
415 | function import_matching( $question ) { |
| 51bcdf28 |
416 | // get common parts |
| 417 | $qo = $this->import_headers( $question ); |
| 418 | |
| 419 | // header parts particular to matching |
| 420 | $qo->qtype = MATCH; |
| ee800653 |
421 | if (!empty($question['#']['shuffleanswers'])) { |
| 422 | $qo->shuffleanswers = $question['#']['shuffleanswers'][0]['#']; |
| 423 | } else { |
| 424 | $qo->shuffleanswers = false; |
| 425 | } |
| 51bcdf28 |
426 | |
| 427 | // get subquestions |
| 428 | $subquestions = $question['#']['subquestion']; |
| 429 | $qo->subquestions = array(); |
| 430 | $qo->subanswers = array(); |
| 431 | |
| 432 | // run through subquestions |
| 433 | foreach ($subquestions as $subquestion) { |
| a0d187bf |
434 | $qtext = $this->import_text( $subquestion['#']['text'] ); |
| 435 | $atext = $this->import_text( $subquestion['#']['answer'][0]['#']['text'] ); |
| 51bcdf28 |
436 | $qo->subquestions[] = $qtext; |
| 437 | $qo->subanswers[] = $atext; |
| 438 | } |
| 51bcdf28 |
439 | return $qo; |
| 440 | } |
| 441 | |
| 6e557c08 |
442 | /** |
| c81415c7 |
443 | * import essay type question |
| 6e557c08 |
444 | * @param array question question array from xml tree |
| 445 | * @return object question object |
| c81415c7 |
446 | */ |
| 447 | function import_essay( $question ) { |
| 448 | // get common parts |
| 449 | $qo = $this->import_headers( $question ); |
| 450 | |
| 451 | // header parts particular to essay |
| 452 | $qo->qtype = ESSAY; |
| 453 | |
| 454 | // get feedback |
| 455 | $qo->feedback = $this->import_text( $question['#']['answer'][0]['#']['feedback'][0]['#']['text'] ); |
| 456 | |
| 55c54868 |
457 | // handle answer |
| 458 | $answer = $question['#']['answer'][0]; |
| 459 | |
| 460 | // get fraction - <fraction> tag is deprecated |
| 6af98025 |
461 | $qo->fraction = $this->getpath( $question, array('@','fraction'), 0 ) / 100; |
| 462 | $q0->fraction = $this->getpath( $question, array('#','fraction',0,'#'), $qo->fraction ); |
| c81415c7 |
463 | |
| 464 | return $qo; |
| 465 | } |
| 84769fd8 |
466 | |
| 725ba2a0 |
467 | function import_calculated( $question ) { |
| 468 | // import numerical question |
| 469 | |
| 470 | // get common parts |
| 471 | $qo = $this->import_headers( $question ); |
| 472 | |
| 473 | // header parts particular to numerical |
| 474 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 475 | |
| 476 | // get answers array |
| 477 | // echo "<pre> question";print_r($question);echo "</pre>"; |
| 478 | $answers = $question['#']['answer']; |
| 479 | $qo->answers = array(); |
| 480 | $qo->feedback = array(); |
| 481 | $qo->fraction = array(); |
| 482 | $qo->tolerance = array(); |
| 483 | $qo->tolerancetype = array(); |
| 484 | $qo->correctanswerformat = array(); |
| 485 | $qo->correctanswerlength = array(); |
| 486 | $qo->feedback = array(); |
| 487 | foreach ($answers as $answer) { |
| 488 | // answer outside of <text> is deprecated |
| 489 | if (!empty( $answer['#']['text'] )) { |
| 490 | $answertext = $this->import_text( $answer['#']['text'] ); |
| 491 | } |
| 492 | else { |
| 493 | $answertext = trim($answer['#'][0]); |
| 494 | } |
| 495 | if ($answertext == '') { |
| 496 | $qo->answers[] = '*'; |
| 497 | } else { |
| 498 | $qo->answers[] = $answertext; |
| 499 | } |
| 500 | $qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); |
| 501 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; |
| 502 | // fraction as a tag is deprecated |
| 503 | if (!empty($answer['#']['fraction'][0]['#'])) { |
| 504 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; |
| 505 | } |
| 506 | else { |
| 507 | $qo->fraction[] = $answer['@']['fraction'] / 100; |
| 508 | } |
| 509 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; |
| 510 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; |
| 511 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; |
| 512 | } |
| 513 | // get units array |
| 514 | $qo->unit = array(); |
| 515 | if (isset($question['#']['units'][0]['#']['unit'])) { |
| 516 | $units = $question['#']['units'][0]['#']['unit']; |
| 517 | $qo->multiplier = array(); |
| 518 | foreach ($units as $unit) { |
| 519 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; |
| 520 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; |
| 521 | } |
| 522 | } |
| 523 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; |
| 524 | $qo->dataset = array(); |
| 525 | $qo->datasetindex= 0 ; |
| 526 | foreach ($datasets as $dataset) { |
| 527 | $qo->datasetindex++; |
| 528 | $qo->dataset[$qo->datasetindex] = new stdClass(); |
| 529 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); |
| 530 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); |
| 531 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; |
| 532 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); |
| 533 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); |
| 534 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); |
| 535 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); |
| 536 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); |
| 537 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; |
| 538 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); |
| 539 | $qo->dataset[$qo->datasetindex]->itemindex = 0; |
| 540 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; |
| 541 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; |
| 542 | foreach ($datasetitems as $datasetitem) { |
| 543 | $qo->dataset[$qo->datasetindex]->itemindex++; |
| 544 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); |
| 545 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; |
| 546 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; |
| 547 | } |
| 548 | } |
| 549 | |
| 5fd8f999 |
550 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 |
551 | |
| 552 | return $qo; |
| 553 | } |
| 554 | |
| ee259d0c |
555 | /** |
| 556 | * this is not a real question type. It's a dummy type used |
| 557 | * to specify the import category |
| 558 | * format is: |
| 559 | * <question type="category"> |
| 560 | * <category>tom/dick/harry</category> |
| 561 | * </question> |
| 562 | */ |
| 563 | function import_category( $question ) { |
| 0c6b4d2e |
564 | $qo = new stdClass; |
| ee259d0c |
565 | $qo->qtype = 'category'; |
| 566 | $qo->category = $question['#']['category'][0]['#']; |
| 567 | return $qo; |
| 568 | } |
| 569 | |
| c81415c7 |
570 | /** |
| 571 | * parse the array of lines into an array of questions |
| 572 | * this *could* burn memory - but it won't happen that much |
| 573 | * so fingers crossed! |
| 6e557c08 |
574 | * @param array lines array of lines from the input file |
| 575 | * @return array (of objects) question objects |
| c81415c7 |
576 | */ |
| 577 | function readquestions($lines) { |
| 84769fd8 |
578 | // we just need it as one big string |
| 579 | $text = implode($lines, " "); |
| 580 | unset( $lines ); |
| 581 | |
| 582 | // this converts xml to big nasty data structure |
| 583 | // the 0 means keep white space as it is (important for markdown format) |
| 584 | // print_r it if you want to see what it looks like! |
| 585 | $xml = xmlize( $text, 0 ); |
| 586 | |
| 587 | // set up array to hold all our questions |
| 588 | $questions = array(); |
| 589 | |
| 590 | // iterate through questions |
| 591 | foreach ($xml['quiz']['#']['question'] as $question) { |
| 592 | $question_type = $question['@']['type']; |
| 593 | $questiontype = get_string( 'questiontype','quiz',$question_type ); |
| 84769fd8 |
594 | |
| 595 | if ($question_type=='multichoice') { |
| 596 | $qo = $this->import_multichoice( $question ); |
| 597 | } |
| 598 | elseif ($question_type=='truefalse') { |
| 599 | $qo = $this->import_truefalse( $question ); |
| 600 | } |
| 601 | elseif ($question_type=='shortanswer') { |
| 602 | $qo = $this->import_shortanswer( $question ); |
| 603 | } |
| 7b8bc256 |
604 | //elseif ($question_type=='regexp') { |
| 605 | // $qo = $this->import_regexp( $question ); |
| 606 | //} |
| 84769fd8 |
607 | elseif ($question_type=='numerical') { |
| 608 | $qo = $this->import_numerical( $question ); |
| 609 | } |
| 7b8bc256 |
610 | elseif ($question_type=='description') { |
| 611 | $qo = $this->import_description( $question ); |
| 612 | } |
| 51bcdf28 |
613 | elseif ($question_type=='matching') { |
| 614 | $qo = $this->import_matching( $question ); |
| 615 | } |
| 7b8bc256 |
616 | elseif ($question_type=='cloze') { |
| c81415c7 |
617 | $qo = $this->import_multianswer( $question ); |
| 618 | } |
| 619 | elseif ($question_type=='essay') { |
| 620 | $qo = $this->import_essay( $question ); |
| 7b8bc256 |
621 | } |
| 725ba2a0 |
622 | elseif ($question_type=='calculated') { |
| 623 | $qo = $this->import_calculated( $question ); |
| 624 | } |
| ee259d0c |
625 | elseif ($question_type=='category') { |
| 626 | $qo = $this->import_category( $question ); |
| 627 | } |
| 84769fd8 |
628 | else { |
| ee800653 |
629 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 46013523 |
630 | $this->error( $notsupported ); |
| 84769fd8 |
631 | $qo = null; |
| 632 | } |
| 633 | |
| 634 | // stick the result in the $questions array |
| 635 | if ($qo) { |
| 636 | $questions[] = $qo; |
| 637 | } |
| 638 | } |
| 84769fd8 |
639 | return $questions; |
| 640 | } |
| 641 | |
| 642 | // EXPORT FUNCTIONS START HERE |
| 643 | |
| 84769fd8 |
644 | function export_file_extension() { |
| 645 | // override default type so extension is .xml |
| 646 | |
| 647 | return ".xml"; |
| 648 | } |
| 649 | |
| c81415c7 |
650 | |
| 651 | /** |
| 652 | * Turn the internal question code into a human readable form |
| 653 | * (The code used to be numeric, but this remains as some of |
| 654 | * the names don't match the new internal format) |
| 6e557c08 |
655 | * @param mixed type_id Internal code |
| 656 | * @return string question type string |
| c81415c7 |
657 | */ |
| 84769fd8 |
658 | function get_qtype( $type_id ) { |
| 84769fd8 |
659 | switch( $type_id ) { |
| 660 | case TRUEFALSE: |
| 661 | $name = 'truefalse'; |
| 662 | break; |
| 663 | case MULTICHOICE: |
| 664 | $name = 'multichoice'; |
| 665 | break; |
| 666 | case SHORTANSWER: |
| 667 | $name = 'shortanswer'; |
| 668 | break; |
| 7b8bc256 |
669 | //case regexp: |
| 670 | // $name = 'regexp'; |
| 671 | // break; |
| 84769fd8 |
672 | case NUMERICAL: |
| 673 | $name = 'numerical'; |
| 674 | break; |
| 675 | case MATCH: |
| 676 | $name = 'matching'; |
| 677 | break; |
| 678 | case DESCRIPTION: |
| 679 | $name = 'description'; |
| 680 | break; |
| 681 | case MULTIANSWER: |
| 682 | $name = 'cloze'; |
| 683 | break; |
| c81415c7 |
684 | case ESSAY: |
| 685 | $name = 'essay'; |
| 686 | break; |
| 725ba2a0 |
687 | case CALCULATED: |
| 688 | $name = 'calculated'; |
| 689 | break; |
| 84769fd8 |
690 | default: |
| 691 | $name = 'unknown'; |
| 692 | } |
| 693 | return $name; |
| 694 | } |
| 695 | |
| 6e557c08 |
696 | /** |
| c81415c7 |
697 | * Convert internal Moodle text format code into |
| 698 | * human readable form |
| 6e557c08 |
699 | * @param int id internal code |
| 700 | * @return string format text |
| c81415c7 |
701 | */ |
| 84769fd8 |
702 | function get_format( $id ) { |
| 84769fd8 |
703 | switch( $id ) { |
| 704 | case 0: |
| 705 | $name = "moodle_auto_format"; |
| 706 | break; |
| 707 | case 1: |
| 708 | $name = "html"; |
| 709 | break; |
| 710 | case 2: |
| 711 | $name = "plain_text"; |
| 712 | break; |
| 713 | case 3: |
| 714 | $name = "wiki_like"; |
| 715 | break; |
| 716 | case 4: |
| 717 | $name = "markdown"; |
| 718 | break; |
| 719 | default: |
| 720 | $name = "unknown"; |
| 721 | } |
| 722 | return $name; |
| 723 | } |
| 724 | |
| 6e557c08 |
725 | /** |
| c81415c7 |
726 | * Convert internal single question code into |
| 727 | * human readable form |
| 6e557c08 |
728 | * @param int id single question code |
| 729 | * @return string single question string |
| c81415c7 |
730 | */ |
| 84769fd8 |
731 | function get_single( $id ) { |
| 84769fd8 |
732 | switch( $id ) { |
| 733 | case 0: |
| 734 | $name = "false"; |
| 735 | break; |
| 736 | case 1: |
| 737 | $name = "true"; |
| 738 | break; |
| 739 | default: |
| 740 | $name = "unknown"; |
| 741 | } |
| 742 | return $name; |
| 743 | } |
| 744 | |
| 6e557c08 |
745 | /** |
| c81415c7 |
746 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 |
747 | * @param int ilev the current indent level |
| 748 | * @param boolean short stick it on one line |
| 749 | * @return string formatted text |
| c81415c7 |
750 | */ |
| 84769fd8 |
751 | function writetext( $raw, $ilev=0, $short=true) { |
| 84769fd8 |
752 | $indent = str_repeat( " ",$ilev ); |
| 753 | |
| 754 | // encode the text to 'disguise' HTML content |
| 755 | $raw = htmlspecialchars( $raw ); |
| 756 | |
| 757 | if ($short) { |
| 758 | $xml = "$indent<text>$raw</text>\n"; |
| 759 | } |
| 760 | else { |
| 761 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; |
| 762 | } |
| 763 | |
| 764 | return $xml; |
| 765 | } |
| 766 | |
| 767 | function presave_process( $content ) { |
| 768 | // override method to allow us to add xml headers and footers |
| 769 | |
| 46013523 |
770 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 |
771 | "<quiz>\n" . |
| 772 | $content . "\n" . |
| 773 | "</quiz>"; |
| 774 | |
| 775 | return $content; |
| 776 | } |
| 777 | |
| 6e557c08 |
778 | /** |
| c81415c7 |
779 | * Include an image encoded in base 64 |
| 6e557c08 |
780 | * @param string imagepath The location of the image file |
| 781 | * @return string xml code segment |
| c81415c7 |
782 | */ |
| d08e16b2 |
783 | function writeimage( $imagepath ) { |
| d08e16b2 |
784 | global $CFG; |
| 785 | |
| 786 | if (empty($imagepath)) { |
| 787 | return ''; |
| 788 | } |
| 789 | |
| 790 | $courseid = $this->course->id; |
| 791 | if (!$binary = file_get_contents( "{$CFG->dataroot}/$courseid/$imagepath" )) { |
| 792 | return ''; |
| 793 | } |
| 794 | |
| 795 | $content = " <image_base64>\n".addslashes(base64_encode( $binary ))."\n". |
| 796 | "\n </image_base64>\n"; |
| 797 | return $content; |
| 798 | } |
| 799 | |
| 6e557c08 |
800 | /** |
| c81415c7 |
801 | * Turns question into an xml segment |
| 6e557c08 |
802 | * @param array question question array |
| 803 | * @return string xml segment |
| c81415c7 |
804 | */ |
| 84769fd8 |
805 | function writequestion( $question ) { |
| 725ba2a0 |
806 | global $CFG,$QTYPES; |
| 84769fd8 |
807 | // initial string; |
| 808 | $expout = ""; |
| 809 | |
| 810 | // add comment |
| 811 | $expout .= "\n\n<!-- question: $question->id -->\n"; |
| 812 | |
| 46013523 |
813 | // check question type - make sure valid |
| 814 | $question_type = $this->get_qtype( $question->qtype ); |
| 815 | if ($question_type=='unknown') { |
| 816 | $expout .= "<!-- question: $question->name is not a supported type -->\n\n"; |
| 817 | } |
| 818 | |
| 84769fd8 |
819 | // add opening tag |
| f1abd39f |
820 | // generates specific header for Cloze and category type question |
| 821 | if ($question->qtype == 'category') { |
| 822 | $expout .= " <question type=\"category\">\n"; |
| 823 | $expout .= " <category>\n"; |
| 824 | $expout .= " $question->category\n"; |
| 825 | $expout .= " </category>\n"; |
| 826 | $expout .= " </question>\n"; |
| 827 | return $expout; |
| 828 | } |
| 829 | elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 |
830 | // for all question types except Close |
| 7b8bc256 |
831 | $name_text = $this->writetext( $question->name ); |
| 832 | $qtformat = $this->get_format($question->questiontextformat); |
| 833 | $question_text = $this->writetext( $question->questiontext ); |
| a4514d91 |
834 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 |
835 | $expout .= " <question type=\"$question_type\">\n"; |
| 836 | $expout .= " <name>$name_text</name>\n"; |
| 837 | $expout .= " <questiontext format=\"$qtformat\">\n"; |
| 838 | $expout .= $question_text; |
| 839 | $expout .= " </questiontext>\n"; |
| 840 | $expout .= " <image>{$question->image}</image>\n"; |
| 841 | $expout .= $this->writeimage($question->image); |
| a4514d91 |
842 | $expout .= " <generalfeedback>\n"; |
| 843 | $expout .= $generalfeedback; |
| 844 | $expout .= " </generalfeedback>\n"; |
| c81415c7 |
845 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 |
846 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 847 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; |
| 848 | } |
| 849 | else { |
| 850 | // for Cloze type only |
| 7b8bc256 |
851 | $name_text = $this->writetext( $question->name ); |
| 852 | $question_text = $this->writetext( $question->questiontext ); |
| 853 | $expout .= " <question type=\"$question_type\">\n"; |
| 854 | $expout .= " <name>$name_text</name>\n"; |
| 855 | $expout .= " <questiontext>\n"; |
| 856 | $expout .= $question_text; |
| 857 | $expout .= " </questiontext>\n"; |
| 858 | } |
| 859 | |
| d08e16b2 |
860 | if (!empty($question->options->shuffleanswers)) { |
| 861 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; |
| 862 | } |
| 863 | else { |
| 864 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; |
| 865 | } |
| 84769fd8 |
866 | |
| 867 | // output depends on question type |
| 868 | switch($question->qtype) { |
| f1abd39f |
869 | case 'category': |
| 870 | // not a qtype really - dummy used for category switching |
| 871 | break; |
| 84769fd8 |
872 | case TRUEFALSE: |
| 36e2232e |
873 | foreach ($question->options->answers as $answer) { |
| 874 | $fraction_pc = round( $answer->fraction * 100 ); |
| 3246ed33 |
875 | if ($answer->id == $question->options->trueanswer) { |
| 876 | $answertext = 'true'; |
| 877 | } else { |
| 878 | $answertext = 'false'; |
| 879 | } |
| 36e2232e |
880 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 |
881 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| 36e2232e |
882 | $expout .= " <feedback>\n"; |
| 883 | $expout .= $this->writetext( $answer->feedback,4,false ); |
| 884 | $expout .= " </feedback>\n"; |
| 885 | $expout .= " </answer>\n"; |
| 886 | } |
| 84769fd8 |
887 | break; |
| 888 | case MULTICHOICE: |
| 889 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; |
| 307f045f |
890 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| 891 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; |
| 892 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; |
| 893 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; |
| 84769fd8 |
894 | foreach($question->options->answers as $answer) { |
| 895 | $percent = $answer->fraction * 100; |
| 896 | $expout .= " <answer fraction=\"$percent\">\n"; |
| 897 | $expout .= $this->writetext( $answer->answer,4,false ); |
| 898 | $expout .= " <feedback>\n"; |
| 6e557c08 |
899 | $expout .= $this->writetext( $answer->feedback,5,false ); |
| 84769fd8 |
900 | $expout .= " </feedback>\n"; |
| 901 | $expout .= " </answer>\n"; |
| 902 | } |
| 903 | break; |
| 904 | case SHORTANSWER: |
| 905 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; |
| 906 | foreach($question->options->answers as $answer) { |
| 907 | $percent = 100 * $answer->fraction; |
| 908 | $expout .= " <answer fraction=\"$percent\">\n"; |
| 909 | $expout .= $this->writetext( $answer->answer,3,false ); |
| 910 | $expout .= " <feedback>\n"; |
| 911 | $expout .= $this->writetext( $answer->feedback,4,false ); |
| 912 | $expout .= " </feedback>\n"; |
| 913 | $expout .= " </answer>\n"; |
| 914 | } |
| 915 | break; |
| 7b8bc256 |
916 | //case regexp: |
| 917 | //$expout .= " <usecase>{$question->options->usecase}</usecase>\n "; |
| 918 | // foreach($question->options->answers as $answer) { |
| 919 | // $percent = 100 * $answer->fraction; |
| 920 | // $expout .= " <answer fraction=\"$percent\">\n"; |
| 921 | // $expout .= $this->writetext( $answer->answer,3,false ); |
| 922 | // $expout .= " <feedback>\n"; |
| 923 | // $expout .= $this->writetext( $answer->feedback,4,false ); |
| 924 | // $expout .= " </feedback>\n"; |
| 925 | // $expout .= " </answer>\n"; |
| 926 | // } |
| 927 | // break; |
| 84769fd8 |
928 | case NUMERICAL: |
| 929 | foreach ($question->options->answers as $answer) { |
| 930 | $tolerance = $answer->tolerance; |
| 55c54868 |
931 | $percent = 100 * $answer->fraction; |
| 932 | $expout .= "<answer fraction=\"$percent\">\n"; |
| 933 | // <text> tags are an added feature, old filed won't have them |
| 934 | $expout .= " <text>{$answer->answer}</text>\n"; |
| 84769fd8 |
935 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 936 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 55c54868 |
937 | // fraction tag is deprecated |
| 938 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; |
| 84769fd8 |
939 | $expout .= "</answer>\n"; |
| 940 | } |
| 941 | |
| 942 | $units = $question->options->units; |
| 943 | if (count($units)) { |
| 944 | $expout .= "<units>\n"; |
| 945 | foreach ($units as $unit) { |
| 946 | $expout .= " <unit>\n"; |
| 947 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; |
| 948 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; |
| 949 | $expout .= " </unit>\n"; |
| 950 | } |
| 951 | $expout .= "</units>\n"; |
| 952 | } |
| 953 | break; |
| 954 | case MATCH: |
| 955 | foreach($question->options->subquestions as $subquestion) { |
| 956 | $expout .= "<subquestion>\n"; |
| 957 | $expout .= $this->writetext( $subquestion->questiontext ); |
| 958 | $expout .= "<answer>".$this->writetext( $subquestion->answertext )."</answer>\n"; |
| 959 | $expout .= "</subquestion>\n"; |
| 960 | } |
| 961 | break; |
| 962 | case DESCRIPTION: |
| c81415c7 |
963 | // nothing more to do for this type |
| 84769fd8 |
964 | break; |
| 965 | case MULTIANSWER: |
| 7b8bc256 |
966 | $a_count=1; |
| 967 | foreach($question->options->questions as $question) { |
| 968 | $thispattern = addslashes("{#".$a_count."}"); |
| 969 | $thisreplace = $question->questiontext; |
| 970 | $expout=ereg_replace($thispattern, $thisreplace, $expout ); |
| 971 | $a_count++; |
| 972 | } |
| 973 | break; |
| c81415c7 |
974 | case ESSAY: |
| 975 | foreach ($question->options->answers as $answer) { |
| 55c54868 |
976 | $percent = 100 * $answer->fraction; |
| 977 | $expout .= "<answer fraction=\"$percent\">\n"; |
| c81415c7 |
978 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 55c54868 |
979 | // fraction tag is deprecated |
| 980 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; |
| c81415c7 |
981 | $expout .= "</answer>\n"; |
| 982 | } |
| 983 | |
| 725ba2a0 |
984 | break; |
| 985 | case CALCULATED: |
| 986 | foreach ($question->options->answers as $answer) { |
| 987 | $tolerance = $answer->tolerance; |
| 988 | $tolerancetype = $answer->tolerancetype; |
| 989 | $correctanswerlength= $answer->correctanswerlength ; |
| 990 | $correctanswerformat= $answer->correctanswerformat; |
| 991 | $percent = 100 * $answer->fraction; |
| 992 | $expout .= "<answer fraction=\"$percent\">\n"; |
| 993 | // "<text/>" tags are an added feature, old files won't have them |
| 994 | $expout .= " <text>{$answer->answer}</text>\n"; |
| 995 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 996 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; |
| 997 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; |
| 998 | $expout .= " <correctanswerlength>$correctanswerformat</correctanswerlength>\n"; |
| 999 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 1000 | $expout .= "</answer>\n"; |
| 1001 | } |
| 1002 | $units = $question->options->units; |
| 1003 | if (count($units)) { |
| 1004 | $expout .= "<units>\n"; |
| 1005 | foreach ($units as $unit) { |
| 1006 | $expout .= " <unit>\n"; |
| 1007 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; |
| 1008 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; |
| 1009 | $expout .= " </unit>\n"; |
| 1010 | } |
| 1011 | $expout .= "</units>\n"; |
| 1012 | } |
| 1013 | //echo "<pre> question calc";print_r($question);echo "</pre>"; |
| 1014 | //First, we a new function to get all the data itmes in the database |
| c9e4ba36 |
1015 | // $question_datasetdefs =$QTYPES['calculated']->get_datasets_for_export ($question); |
| 725ba2a0 |
1016 | // echo "<pre> question defs";print_r($question_datasetdefs);echo "</pre>"; |
| 1017 | //If there are question_datasets |
| c9e4ba36 |
1018 | if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be |
| 725ba2a0 |
1019 | $expout .= "<dataset_definitions>\n"; |
| c9e4ba36 |
1020 | foreach ($question->options->datasets as $def) { |
| 725ba2a0 |
1021 | $expout .= "<dataset_definition>\n"; |
| 1022 | $expout .= " <status>".$this->writetext($def->status)."</status>\n"; |
| 1023 | $expout .= " <name>".$this->writetext($def->name)."</name>\n"; |
| 1024 | $expout .= " <type>calculated</type>\n"; |
| 1025 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1026 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; |
| 1027 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; |
| 1028 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 1029 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1030 | if ($def->itemcount > 0 ) { |
| 1031 | $expout .= " <dataset_items>\n"; |
| 1032 | foreach ($def->items as $item ){ |
| 1033 | $expout .= " <dataset_item>\n"; |
| 1034 | $expout .= " <number>".$item->itemnumber."</number>\n"; |
| 1035 | $expout .= " <value>".$item->value."</value>\n"; |
| 1036 | $expout .= " </dataset_item>\n"; |
| 1037 | } |
| 1038 | $expout .= " </dataset_items>\n"; |
| 1039 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; |
| 1040 | } |
| 1041 | $expout .= "</dataset_definition>\n"; |
| 1042 | } |
| 1043 | $expout .= "</dataset_definitions>\n"; |
| 1044 | } |
| c81415c7 |
1045 | break; |
| 84769fd8 |
1046 | default: |
| 46013523 |
1047 | // should not get here |
| 1048 | error( 'Unsupported question type detected in strange circumstances!' ); |
| 84769fd8 |
1049 | } |
| 1050 | |
| 1051 | // close the question tag |
| 1052 | $expout .= "</question>\n"; |
| 1053 | |
| 84769fd8 |
1054 | return $expout; |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | ?> |
