| 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 = $text[0]['#']; |
| 294ce987 |
82 | return trim($data); |
| 84769fd8 |
83 | } |
| 84 | |
| 46013523 |
85 | /** |
| 86 | * return the value of a node, given a path to the node |
| 87 | * if it doesn't exist return the default value |
| 88 | * @param array xml data to read |
| 89 | * @param array path path to node expressed as array |
| 90 | * @param mixed default |
| 91 | * @param bool istext process as text |
| 92 | * @param string error if set value must exist, return false and issue message if not |
| 93 | * @return mixed value |
| 94 | */ |
| 95 | function getpath( $xml, $path, $default, $istext=false, $error='' ) { |
| 96 | foreach ($path as $index) { |
| 228b6f6b |
97 | if (!isset($xml[$index])) { |
| 46013523 |
98 | if (!empty($error)) { |
| 99 | $this->error( $error ); |
| 100 | return false; |
| 101 | } else { |
| 102 | return $default; |
| 103 | } |
| 104 | } |
| 105 | else $xml = $xml[$index]; |
| 106 | } |
| 107 | if ($istext) { |
| fc22da99 |
108 | if (!is_string($xml)) { |
| c95defa9 |
109 | $this->error( get_string('invalidxml','qformat_xml') ); |
| fc22da99 |
110 | } |
| 294ce987 |
111 | $xml = trim( $xml ); |
| 46013523 |
112 | } |
| 113 | |
| 114 | return $xml; |
| 115 | } |
| 116 | |
| 117 | |
| 6e557c08 |
118 | /** |
| c81415c7 |
119 | * import parts of question common to all types |
| e7ef42f5 |
120 | * @param $question array question question array from xml tree |
| 6e557c08 |
121 | * @return object question object |
| c81415c7 |
122 | */ |
| 84769fd8 |
123 | function import_headers( $question ) { |
| 46013523 |
124 | // get some error strings |
| 125 | $error_noname = get_string( 'xmlimportnoname','quiz' ); |
| 126 | $error_noquestion = get_string( 'xmlimportnoquestion','quiz' ); |
| 127 | |
| 84769fd8 |
128 | // this routine initialises the question object |
| 5bed54e1 |
129 | $qo = $this->defaultquestion(); |
| 84769fd8 |
130 | |
| 46013523 |
131 | // question name |
| 132 | $qo->name = $this->getpath( $question, array('#','name',0,'#','text',0,'#'), '', true, $error_noname ); |
| 6af98025 |
133 | $qo->questiontext = $this->getpath( $question, array('#','questiontext',0,'#','text',0,'#'), '', true ); |
| 46013523 |
134 | $qo->questiontextformat = $this->getpath( $question, array('#','questiontext',0,'@','format'), '' ); |
| e7ef42f5 |
135 | $qo->image = $this->getpath( $question, array('#','image',0,'#'), $qo->image ); |
| 46013523 |
136 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 137 | if (!empty($image_base64)) { |
| cdfaa838 |
138 | $qo->image = $this->importimagefile( $qo->image, $image_base64); |
| 46013523 |
139 | } |
| 140 | $qo->generalfeedback = $this->getpath( $question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true ); |
| 141 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); |
| 142 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); |
| 84769fd8 |
143 | |
| 144 | return $qo; |
| 145 | } |
| 146 | |
| 6e557c08 |
147 | /** |
| c81415c7 |
148 | * import the common parts of a single answer |
| 6e557c08 |
149 | * @param array answer xml tree for single answer |
| 150 | * @return object answer object |
| c81415c7 |
151 | */ |
| 84769fd8 |
152 | function import_answer( $answer ) { |
| 81a7a02b |
153 | $fraction = $this->getpath( $answer, array('@','fraction'),0 ); |
| 154 | $text = $this->getpath( $answer, array('#','text',0,'#'), '', true ); |
| 155 | $feedback = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); |
| 84769fd8 |
156 | |
| 157 | $ans = null; |
| 158 | $ans->answer = $text; |
| 159 | $ans->fraction = $fraction / 100; |
| 160 | $ans->feedback = $feedback; |
| 84769fd8 |
161 | return $ans; |
| 162 | } |
| 163 | |
| 6e557c08 |
164 | /** |
| c81415c7 |
165 | * import multiple choice question |
| 6e557c08 |
166 | * @param array question question array from xml tree |
| 167 | * @return object question object |
| c81415c7 |
168 | */ |
| 84769fd8 |
169 | function import_multichoice( $question ) { |
| 84769fd8 |
170 | // get common parts |
| 171 | $qo = $this->import_headers( $question ); |
| 172 | |
| 173 | // 'header' parts particular to multichoice |
| 174 | $qo->qtype = MULTICHOICE; |
| 81a7a02b |
175 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 84769fd8 |
176 | $qo->single = $this->trans_single( $single ); |
| 81a7a02b |
177 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); |
| 2377f8dc |
178 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); |
| 2da44816 |
179 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| 81a7a02b |
180 | $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); |
| 181 | $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); |
| 182 | $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); |
| c0ffeb39 |
183 | |
| 184 | // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found. |
| 185 | if (empty($qo->answernumbering)) { |
| 186 | $qo->answernumbering = 'abc'; |
| 187 | } |
| 188 | |
| 84769fd8 |
189 | // run through the answers |
| 190 | $answers = $question['#']['answer']; |
| 191 | $a_count = 0; |
| 192 | foreach ($answers as $answer) { |
| 193 | $ans = $this->import_answer( $answer ); |
| 194 | $qo->answer[$a_count] = $ans->answer; |
| 195 | $qo->fraction[$a_count] = $ans->fraction; |
| 196 | $qo->feedback[$a_count] = $ans->feedback; |
| 197 | ++$a_count; |
| 198 | } |
| 84769fd8 |
199 | return $qo; |
| 200 | } |
| 201 | |
| 6e557c08 |
202 | /** |
| c81415c7 |
203 | * import cloze type question |
| 6e557c08 |
204 | * @param array question question array from xml tree |
| 205 | * @return object question object |
| c81415c7 |
206 | */ |
| 7b8bc256 |
207 | function import_multianswer( $questions ) { |
| 0c6b4d2e |
208 | $questiontext = $questions['#']['questiontext'][0]['#']['text']; |
| 209 | $qo = qtype_multianswer_extract_question($this->import_text($questiontext)); |
| 7b8bc256 |
210 | |
| 211 | // 'header' parts particular to multianswer |
| 212 | $qo->qtype = MULTIANSWER; |
| 213 | $qo->course = $this->course; |
| 4ab4dcb2 |
214 | $qo->generalfeedback = $this->getpath( $questions, array('#','generalfeedback',0,'#','text',0,'#'), '', true ); |
| 7b8bc256 |
215 | |
| 71ffbac2 |
216 | if (!empty($questions)) { |
| 7b8bc256 |
217 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 218 | } |
| 219 | |
| 220 | return $qo; |
| 221 | } |
| 222 | |
| 6e557c08 |
223 | /** |
| c81415c7 |
224 | * import true/false type question |
| 6e557c08 |
225 | * @param array question question array from xml tree |
| 226 | * @return object question object |
| c81415c7 |
227 | */ |
| 84769fd8 |
228 | function import_truefalse( $question ) { |
| 84769fd8 |
229 | // get common parts |
| fef8f84e |
230 | global $OUTPUT; |
| 84769fd8 |
231 | $qo = $this->import_headers( $question ); |
| 232 | |
| 233 | // 'header' parts particular to true/false |
| 234 | $qo->qtype = TRUEFALSE; |
| 235 | |
| 236 | // get answer info |
| 3246ed33 |
237 | // |
| 238 | // In the past, it used to be assumed that the two answers were in the file |
| 239 | // true first, then false. Howevever that was not always true. Now, we |
| 240 | // try to match on the answer text, but in old exports, this will be a localised |
| 241 | // string, so if we don't find true or false, we fall back to the old system. |
| 242 | $first = true; |
| 243 | $warning = false; |
| 244 | foreach ($question['#']['answer'] as $answer) { |
| 81a7a02b |
245 | $answertext = $this->getpath( $answer, array('#','text',0,'#'), '', true ); |
| 246 | $feedback = $this->getpath($answer, array('#','feedback',0,'#','text',0,'#'), '', true ); |
| 3246ed33 |
247 | if ($answertext != 'true' && $answertext != 'false') { |
| 248 | $warning = true; |
| 249 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. |
| 250 | } |
| 251 | if ($answertext == 'true') { |
| 252 | $qo->answer = ($answer['@']['fraction'] == 100); |
| 7939a4a0 |
253 | $qo->correctanswer = $qo->answer; |
| 3246ed33 |
254 | $qo->feedbacktrue = $feedback; |
| 255 | } else { |
| 256 | $qo->answer = ($answer['@']['fraction'] != 100); |
| 7939a4a0 |
257 | $qo->correctanswer = $qo->answer; |
| 3246ed33 |
258 | $qo->feedbackfalse = $feedback; |
| 259 | } |
| 260 | $first = false; |
| 84769fd8 |
261 | } |
| 3246ed33 |
262 | |
| 263 | if ($warning) { |
| 264 | $a = new stdClass; |
| 55c54868 |
265 | $a->questiontext = $qo->questiontext; |
| 3246ed33 |
266 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| fef8f84e |
267 | echo $OUTPUT->notification(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 |
268 | } |
| 84769fd8 |
269 | return $qo; |
| 270 | } |
| 271 | |
| 6e557c08 |
272 | /** |
| c81415c7 |
273 | * import short answer type question |
| 6e557c08 |
274 | * @param array question question array from xml tree |
| 275 | * @return object question object |
| c81415c7 |
276 | */ |
| 84769fd8 |
277 | function import_shortanswer( $question ) { |
| 84769fd8 |
278 | // get common parts |
| 279 | $qo = $this->import_headers( $question ); |
| 280 | |
| 281 | // header parts particular to shortanswer |
| 282 | $qo->qtype = SHORTANSWER; |
| 283 | |
| 284 | // get usecase |
| 46013523 |
285 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 |
286 | |
| 287 | // run through the answers |
| 288 | $answers = $question['#']['answer']; |
| 289 | $a_count = 0; |
| 290 | foreach ($answers as $answer) { |
| 291 | $ans = $this->import_answer( $answer ); |
| 292 | $qo->answer[$a_count] = $ans->answer; |
| 293 | $qo->fraction[$a_count] = $ans->fraction; |
| 294 | $qo->feedback[$a_count] = $ans->feedback; |
| 295 | ++$a_count; |
| 296 | } |
| 297 | |
| 298 | return $qo; |
| 299 | } |
| 7b8bc256 |
300 | |
| 6e557c08 |
301 | /** |
| c81415c7 |
302 | * import description type question |
| 6e557c08 |
303 | * @param array question question array from xml tree |
| 304 | * @return object question object |
| c81415c7 |
305 | */ |
| 7b8bc256 |
306 | function import_description( $question ) { |
| 307 | // get common parts |
| 308 | $qo = $this->import_headers( $question ); |
| 309 | // header parts particular to shortanswer |
| 310 | $qo->qtype = DESCRIPTION; |
| 3f5633df |
311 | $qo->defaultgrade = 0; |
| 312 | $qo->length = 0; |
| 7b8bc256 |
313 | return $qo; |
| 314 | } |
| 84769fd8 |
315 | |
| 6e557c08 |
316 | /** |
| c81415c7 |
317 | * import numerical type question |
| 6e557c08 |
318 | * @param array question question array from xml tree |
| 319 | * @return object question object |
| c81415c7 |
320 | */ |
| 321 | function import_numerical( $question ) { |
| 84769fd8 |
322 | // get common parts |
| 323 | $qo = $this->import_headers( $question ); |
| 324 | |
| 325 | // header parts particular to numerical |
| 326 | $qo->qtype = NUMERICAL; |
| 327 | |
| 328 | // get answers array |
| 329 | $answers = $question['#']['answer']; |
| 330 | $qo->answer = array(); |
| 331 | $qo->feedback = array(); |
| 332 | $qo->fraction = array(); |
| 333 | $qo->tolerance = array(); |
| 334 | foreach ($answers as $answer) { |
| 55c54868 |
335 | // answer outside of <text> is deprecated |
| 81a7a02b |
336 | $answertext = trim( $this->getpath( $answer, array('#',0), '' ) ); |
| 337 | $qo->answer[] = $this->getpath( $answer, array('#','text',0,'#'), $answertext, true ); |
| 338 | if (empty($qo->answer)) { |
| 339 | $qo->answer = '*'; |
| 55c54868 |
340 | } |
| 81a7a02b |
341 | $qo->feedback[] = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); |
| 342 | $qo->tolerance[] = $this->getpath( $answer, array('#','tolerance',0,'#'), 0 ); |
| 55c54868 |
343 | |
| 344 | // fraction as a tag is deprecated |
| 81a7a02b |
345 | $fraction = $this->getpath( $answer, array('@','fraction'), 0 ) / 100; |
| 346 | $qo->fraction[] = $this->getpath( $answer, array('#','fraction',0,'#'), $fraction ); // deprecated |
| 84769fd8 |
347 | } |
| 348 | |
| 349 | // get units array |
| 84769fd8 |
350 | $qo->unit = array(); |
| 81a7a02b |
351 | $units = $this->getpath( $question, array('#','units',0,'#','unit'), array() ); |
| 352 | if (!empty($units)) { |
| a0d187bf |
353 | $qo->multiplier = array(); |
| 354 | foreach ($units as $unit) { |
| 81a7a02b |
355 | $qo->multiplier[] = $this->getpath( $unit, array('#','multiplier',0,'#'), 1 ); |
| 356 | $qo->unit[] = $this->getpath( $unit, array('#','unit_name',0,'#'), '', true ); |
| a0d187bf |
357 | } |
| 84769fd8 |
358 | } |
| 84769fd8 |
359 | return $qo; |
| 360 | } |
| 361 | |
| 6e557c08 |
362 | /** |
| c81415c7 |
363 | * import matching type question |
| 6e557c08 |
364 | * @param array question question array from xml tree |
| 365 | * @return object question object |
| c81415c7 |
366 | */ |
| 51bcdf28 |
367 | function import_matching( $question ) { |
| 51bcdf28 |
368 | // get common parts |
| 369 | $qo = $this->import_headers( $question ); |
| 370 | |
| 371 | // header parts particular to matching |
| 372 | $qo->qtype = MATCH; |
| 81a7a02b |
373 | $qo->shuffleanswers = $this->getpath( $question, array( '#','shuffleanswers',0,'#' ), 1 ); |
| 51bcdf28 |
374 | |
| 375 | // get subquestions |
| 376 | $subquestions = $question['#']['subquestion']; |
| 377 | $qo->subquestions = array(); |
| 378 | $qo->subanswers = array(); |
| 379 | |
| 380 | // run through subquestions |
| 381 | foreach ($subquestions as $subquestion) { |
| 81a7a02b |
382 | $qo->subquestions[] = $this->getpath( $subquestion, array('#','text',0,'#'), '', true ); |
| 383 | $qo->subanswers[] = $this->getpath( $subquestion, array('#','answer',0,'#','text',0,'#'), '', true); |
| 51bcdf28 |
384 | } |
| 51bcdf28 |
385 | return $qo; |
| 386 | } |
| 387 | |
| 6e557c08 |
388 | /** |
| c81415c7 |
389 | * import essay type question |
| 6e557c08 |
390 | * @param array question question array from xml tree |
| 391 | * @return object question object |
| c81415c7 |
392 | */ |
| 393 | function import_essay( $question ) { |
| 394 | // get common parts |
| 395 | $qo = $this->import_headers( $question ); |
| 396 | |
| 397 | // header parts particular to essay |
| 398 | $qo->qtype = ESSAY; |
| 399 | |
| 400 | // get feedback |
| 33ed59a2 |
401 | $qo->feedback = $this->getpath( $question, array('#','answer',0,'#','feedback',0,'#','text',0,'#'), '', true ); |
| 55c54868 |
402 | |
| 403 | // get fraction - <fraction> tag is deprecated |
| 6af98025 |
404 | $qo->fraction = $this->getpath( $question, array('@','fraction'), 0 ) / 100; |
| 405 | $q0->fraction = $this->getpath( $question, array('#','fraction',0,'#'), $qo->fraction ); |
| c81415c7 |
406 | |
| 407 | return $qo; |
| 408 | } |
| 84769fd8 |
409 | |
| 725ba2a0 |
410 | function import_calculated( $question ) { |
| 411 | // import numerical question |
| 412 | |
| 413 | // get common parts |
| 414 | $qo = $this->import_headers( $question ); |
| 415 | |
| 416 | // header parts particular to numerical |
| 417 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 505f7342 |
418 | $qo->synchronize = $this->getpath( $question, array( '#','synchronize',0,'#' ), 0 ); |
| 725ba2a0 |
419 | // get answers array |
| 420 | // echo "<pre> question";print_r($question);echo "</pre>"; |
| 421 | $answers = $question['#']['answer']; |
| 422 | $qo->answers = array(); |
| 423 | $qo->feedback = array(); |
| 424 | $qo->fraction = array(); |
| 425 | $qo->tolerance = array(); |
| 426 | $qo->tolerancetype = array(); |
| 427 | $qo->correctanswerformat = array(); |
| 428 | $qo->correctanswerlength = array(); |
| 429 | $qo->feedback = array(); |
| 430 | foreach ($answers as $answer) { |
| 431 | // answer outside of <text> is deprecated |
| 432 | if (!empty( $answer['#']['text'] )) { |
| 433 | $answertext = $this->import_text( $answer['#']['text'] ); |
| 434 | } |
| 435 | else { |
| 436 | $answertext = trim($answer['#'][0]); |
| 437 | } |
| 438 | if ($answertext == '') { |
| 439 | $qo->answers[] = '*'; |
| 440 | } else { |
| 441 | $qo->answers[] = $answertext; |
| 442 | } |
| 443 | $qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); |
| 444 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; |
| 445 | // fraction as a tag is deprecated |
| 446 | if (!empty($answer['#']['fraction'][0]['#'])) { |
| 447 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; |
| 448 | } |
| 449 | else { |
| 450 | $qo->fraction[] = $answer['@']['fraction'] / 100; |
| 451 | } |
| 452 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; |
| 453 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; |
| 454 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; |
| 455 | } |
| 456 | // get units array |
| 457 | $qo->unit = array(); |
| 458 | if (isset($question['#']['units'][0]['#']['unit'])) { |
| 459 | $units = $question['#']['units'][0]['#']['unit']; |
| 460 | $qo->multiplier = array(); |
| 461 | foreach ($units as $unit) { |
| 462 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; |
| 463 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; |
| 464 | } |
| 465 | } |
| 466 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; |
| 467 | $qo->dataset = array(); |
| 468 | $qo->datasetindex= 0 ; |
| 469 | foreach ($datasets as $dataset) { |
| 470 | $qo->datasetindex++; |
| 471 | $qo->dataset[$qo->datasetindex] = new stdClass(); |
| 472 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); |
| 473 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); |
| 474 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; |
| 475 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); |
| 476 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); |
| 477 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); |
| 478 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); |
| 479 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); |
| 480 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; |
| 481 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); |
| 482 | $qo->dataset[$qo->datasetindex]->itemindex = 0; |
| 483 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; |
| 484 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; |
| 485 | foreach ($datasetitems as $datasetitem) { |
| 486 | $qo->dataset[$qo->datasetindex]->itemindex++; |
| 487 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); |
| 488 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; |
| 489 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; |
| 490 | } |
| 491 | } |
| 492 | |
| 5fd8f999 |
493 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 |
494 | |
| 495 | return $qo; |
| 496 | } |
| 497 | |
| ee259d0c |
498 | /** |
| 499 | * this is not a real question type. It's a dummy type used |
| 500 | * to specify the import category |
| 501 | * format is: |
| 502 | * <question type="category"> |
| 503 | * <category>tom/dick/harry</category> |
| 504 | * </question> |
| 505 | */ |
| 506 | function import_category( $question ) { |
| 0c6b4d2e |
507 | $qo = new stdClass; |
| ee259d0c |
508 | $qo->qtype = 'category'; |
| 86b68520 |
509 | $qo->category = $this->import_text($question['#']['category'][0]['#']['text']); |
| ee259d0c |
510 | return $qo; |
| 511 | } |
| 512 | |
| c81415c7 |
513 | /** |
| 514 | * parse the array of lines into an array of questions |
| 515 | * this *could* burn memory - but it won't happen that much |
| 516 | * so fingers crossed! |
| 6e557c08 |
517 | * @param array lines array of lines from the input file |
| 518 | * @return array (of objects) question objects |
| c81415c7 |
519 | */ |
| 520 | function readquestions($lines) { |
| 84769fd8 |
521 | // we just need it as one big string |
| 522 | $text = implode($lines, " "); |
| 523 | unset( $lines ); |
| 524 | |
| 525 | // this converts xml to big nasty data structure |
| 526 | // the 0 means keep white space as it is (important for markdown format) |
| 527 | // print_r it if you want to see what it looks like! |
| 528 | $xml = xmlize( $text, 0 ); |
| 529 | |
| 530 | // set up array to hold all our questions |
| 531 | $questions = array(); |
| 532 | |
| 533 | // iterate through questions |
| 534 | foreach ($xml['quiz']['#']['question'] as $question) { |
| 535 | $question_type = $question['@']['type']; |
| 536 | $questiontype = get_string( 'questiontype','quiz',$question_type ); |
| 84769fd8 |
537 | |
| 538 | if ($question_type=='multichoice') { |
| 539 | $qo = $this->import_multichoice( $question ); |
| 540 | } |
| 541 | elseif ($question_type=='truefalse') { |
| 542 | $qo = $this->import_truefalse( $question ); |
| 543 | } |
| 544 | elseif ($question_type=='shortanswer') { |
| 545 | $qo = $this->import_shortanswer( $question ); |
| 546 | } |
| 547 | elseif ($question_type=='numerical') { |
| 548 | $qo = $this->import_numerical( $question ); |
| 549 | } |
| 7b8bc256 |
550 | elseif ($question_type=='description') { |
| 551 | $qo = $this->import_description( $question ); |
| 552 | } |
| 51bcdf28 |
553 | elseif ($question_type=='matching') { |
| 554 | $qo = $this->import_matching( $question ); |
| 555 | } |
| 7b8bc256 |
556 | elseif ($question_type=='cloze') { |
| c81415c7 |
557 | $qo = $this->import_multianswer( $question ); |
| 558 | } |
| 559 | elseif ($question_type=='essay') { |
| 560 | $qo = $this->import_essay( $question ); |
| 7b8bc256 |
561 | } |
| 725ba2a0 |
562 | elseif ($question_type=='calculated') { |
| 563 | $qo = $this->import_calculated( $question ); |
| 564 | } |
| 9c1c6c7f |
565 | elseif ($question_type=='calculatedsimple') { |
| 566 | $qo = $this->import_calculated( $question ); |
| 567 | $qo->qtype = CALCULATEDSIMPLE ; |
| 568 | } |
| ee259d0c |
569 | elseif ($question_type=='category') { |
| 570 | $qo = $this->import_category( $question ); |
| 571 | } |
| 84769fd8 |
572 | else { |
| a41e3287 |
573 | // try for plugin support |
| 574 | // no default question, as the plugin can call |
| 575 | // import_headers() itself if it wants to |
| 576 | if (!$qo=$this->try_importing_using_qtypes( $question )) { |
| 577 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 578 | $this->error( $notsupported ); |
| 579 | $qo = null; |
| 580 | } |
| 84769fd8 |
581 | } |
| 582 | |
| 583 | // stick the result in the $questions array |
| 584 | if ($qo) { |
| 585 | $questions[] = $qo; |
| 586 | } |
| 587 | } |
| 84769fd8 |
588 | return $questions; |
| 589 | } |
| 590 | |
| 591 | // EXPORT FUNCTIONS START HERE |
| 592 | |
| 84769fd8 |
593 | function export_file_extension() { |
| 594 | // override default type so extension is .xml |
| 595 | |
| 596 | return ".xml"; |
| 597 | } |
| 598 | |
| c81415c7 |
599 | |
| 600 | /** |
| 601 | * Turn the internal question code into a human readable form |
| 602 | * (The code used to be numeric, but this remains as some of |
| 603 | * the names don't match the new internal format) |
| 6e557c08 |
604 | * @param mixed type_id Internal code |
| 605 | * @return string question type string |
| c81415c7 |
606 | */ |
| 84769fd8 |
607 | function get_qtype( $type_id ) { |
| 84769fd8 |
608 | switch( $type_id ) { |
| 609 | case TRUEFALSE: |
| 610 | $name = 'truefalse'; |
| 611 | break; |
| 612 | case MULTICHOICE: |
| 613 | $name = 'multichoice'; |
| 614 | break; |
| 615 | case SHORTANSWER: |
| 616 | $name = 'shortanswer'; |
| 617 | break; |
| 618 | case NUMERICAL: |
| 619 | $name = 'numerical'; |
| 620 | break; |
| 621 | case MATCH: |
| 622 | $name = 'matching'; |
| 623 | break; |
| 624 | case DESCRIPTION: |
| 625 | $name = 'description'; |
| 626 | break; |
| 627 | case MULTIANSWER: |
| 628 | $name = 'cloze'; |
| 629 | break; |
| c81415c7 |
630 | case ESSAY: |
| 631 | $name = 'essay'; |
| 632 | break; |
| 725ba2a0 |
633 | case CALCULATED: |
| 634 | $name = 'calculated'; |
| 635 | break; |
| 9c1c6c7f |
636 | case CALCULATEDSIMPLE: |
| 637 | $name = 'calculatedsimple'; |
| 638 | break; |
| 84769fd8 |
639 | default: |
| a41e3287 |
640 | $name = false; |
| 84769fd8 |
641 | } |
| 642 | return $name; |
| 643 | } |
| 644 | |
| 6e557c08 |
645 | /** |
| c81415c7 |
646 | * Convert internal Moodle text format code into |
| 647 | * human readable form |
| 6e557c08 |
648 | * @param int id internal code |
| 649 | * @return string format text |
| c81415c7 |
650 | */ |
| 84769fd8 |
651 | function get_format( $id ) { |
| 84769fd8 |
652 | switch( $id ) { |
| 653 | case 0: |
| 654 | $name = "moodle_auto_format"; |
| 655 | break; |
| 656 | case 1: |
| 657 | $name = "html"; |
| 658 | break; |
| 659 | case 2: |
| 660 | $name = "plain_text"; |
| 661 | break; |
| 662 | case 3: |
| 663 | $name = "wiki_like"; |
| 664 | break; |
| 665 | case 4: |
| 666 | $name = "markdown"; |
| 667 | break; |
| 668 | default: |
| 669 | $name = "unknown"; |
| 670 | } |
| 671 | return $name; |
| 672 | } |
| 673 | |
| 6e557c08 |
674 | /** |
| c81415c7 |
675 | * Convert internal single question code into |
| 676 | * human readable form |
| 6e557c08 |
677 | * @param int id single question code |
| 678 | * @return string single question string |
| c81415c7 |
679 | */ |
| 84769fd8 |
680 | function get_single( $id ) { |
| 84769fd8 |
681 | switch( $id ) { |
| 682 | case 0: |
| 683 | $name = "false"; |
| 684 | break; |
| 685 | case 1: |
| 686 | $name = "true"; |
| 687 | break; |
| 688 | default: |
| 689 | $name = "unknown"; |
| 690 | } |
| 691 | return $name; |
| 692 | } |
| 693 | |
| 6e557c08 |
694 | /** |
| c81415c7 |
695 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 |
696 | * @param int ilev the current indent level |
| 697 | * @param boolean short stick it on one line |
| 698 | * @return string formatted text |
| c81415c7 |
699 | */ |
| 84769fd8 |
700 | function writetext( $raw, $ilev=0, $short=true) { |
| 84769fd8 |
701 | $indent = str_repeat( " ",$ilev ); |
| 702 | |
| 3695cfa9 |
703 | // if required add CDATA tags |
| 704 | if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) { |
| 705 | $raw = "<![CDATA[$raw]]>"; |
| 706 | } |
| 84769fd8 |
707 | |
| 708 | if ($short) { |
| 709 | $xml = "$indent<text>$raw</text>\n"; |
| 710 | } |
| 711 | else { |
| 712 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; |
| 713 | } |
| 714 | |
| 715 | return $xml; |
| 716 | } |
| 81a7a02b |
717 | |
| 718 | function xmltidy( $content ) { |
| 719 | // can only do this if tidy is installed |
| 720 | if (extension_loaded('tidy')) { |
| 721 | $config = array( 'input-xml'=>true, 'output-xml'=>true, 'indent'=>true, 'wrap'=>0 ); |
| 722 | $tidy = new tidy; |
| 723 | $tidy->parseString($content, $config, 'utf8'); |
| 724 | $tidy->cleanRepair(); |
| 725 | return $tidy->value; |
| 726 | } |
| 727 | else { |
| 728 | return $content; |
| 729 | } |
| 730 | } |
| 731 | |
| 84769fd8 |
732 | |
| 733 | function presave_process( $content ) { |
| 734 | // override method to allow us to add xml headers and footers |
| 735 | |
| 81a7a02b |
736 | // add the xml headers and footers |
| 46013523 |
737 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 |
738 | "<quiz>\n" . |
| 739 | $content . "\n" . |
| 740 | "</quiz>"; |
| 741 | |
| 81a7a02b |
742 | // make the xml look nice |
| 743 | $content = $this->xmltidy( $content ); |
| 744 | |
| 84769fd8 |
745 | return $content; |
| 746 | } |
| 747 | |
| 6e557c08 |
748 | /** |
| c81415c7 |
749 | * Include an image encoded in base 64 |
| 6e557c08 |
750 | * @param string imagepath The location of the image file |
| 751 | * @return string xml code segment |
| c81415c7 |
752 | */ |
| d08e16b2 |
753 | function writeimage( $imagepath ) { |
| d08e16b2 |
754 | global $CFG; |
| 755 | |
| 756 | if (empty($imagepath)) { |
| 757 | return ''; |
| 758 | } |
| 759 | |
| 760 | $courseid = $this->course->id; |
| 761 | if (!$binary = file_get_contents( "{$CFG->dataroot}/$courseid/$imagepath" )) { |
| 762 | return ''; |
| 763 | } |
| 764 | |
| 294ce987 |
765 | $content = " <image_base64>\n".base64_encode( $binary )."\n". |
| d08e16b2 |
766 | "\n </image_base64>\n"; |
| 767 | return $content; |
| 768 | } |
| 769 | |
| 6e557c08 |
770 | /** |
| c81415c7 |
771 | * Turns question into an xml segment |
| 6e557c08 |
772 | * @param array question question array |
| 773 | * @return string xml segment |
| c81415c7 |
774 | */ |
| 84769fd8 |
775 | function writequestion( $question ) { |
| fef8f84e |
776 | global $CFG,$QTYPES, $OUTPUT; |
| 84769fd8 |
777 | // initial string; |
| 778 | $expout = ""; |
| 779 | |
| 780 | // add comment |
| 781 | $expout .= "\n\n<!-- question: $question->id -->\n"; |
| 782 | |
| a41e3287 |
783 | // check question type |
| 784 | if (!$question_type = $this->get_qtype( $question->qtype )) { |
| 785 | // must be a plugin then, so just accept the name supplied |
| 786 | $question_type = $question->qtype; |
| 46013523 |
787 | } |
| 788 | |
| 84769fd8 |
789 | // add opening tag |
| f1abd39f |
790 | // generates specific header for Cloze and category type question |
| 791 | if ($question->qtype == 'category') { |
| 6f8481ec |
792 | $categorypath = $this->writetext( $question->category ); |
| f1abd39f |
793 | $expout .= " <question type=\"category\">\n"; |
| 794 | $expout .= " <category>\n"; |
| 6f8481ec |
795 | $expout .= " $categorypath\n"; |
| f1abd39f |
796 | $expout .= " </category>\n"; |
| 797 | $expout .= " </question>\n"; |
| 798 | return $expout; |
| 799 | } |
| 800 | elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 |
801 | // for all question types except Close |
| 7b8bc256 |
802 | $name_text = $this->writetext( $question->name ); |
| 803 | $qtformat = $this->get_format($question->questiontextformat); |
| 804 | $question_text = $this->writetext( $question->questiontext ); |
| a4514d91 |
805 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 |
806 | $expout .= " <question type=\"$question_type\">\n"; |
| 807 | $expout .= " <name>$name_text</name>\n"; |
| 808 | $expout .= " <questiontext format=\"$qtformat\">\n"; |
| 809 | $expout .= $question_text; |
| 810 | $expout .= " </questiontext>\n"; |
| 811 | $expout .= " <image>{$question->image}</image>\n"; |
| 812 | $expout .= $this->writeimage($question->image); |
| a4514d91 |
813 | $expout .= " <generalfeedback>\n"; |
| 814 | $expout .= $generalfeedback; |
| 815 | $expout .= " </generalfeedback>\n"; |
| c81415c7 |
816 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 |
817 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 818 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; |
| 819 | } |
| 820 | else { |
| 821 | // for Cloze type only |
| 7b8bc256 |
822 | $name_text = $this->writetext( $question->name ); |
| 823 | $question_text = $this->writetext( $question->questiontext ); |
| 4ab4dcb2 |
824 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 |
825 | $expout .= " <question type=\"$question_type\">\n"; |
| 826 | $expout .= " <name>$name_text</name>\n"; |
| 827 | $expout .= " <questiontext>\n"; |
| 828 | $expout .= $question_text; |
| 829 | $expout .= " </questiontext>\n"; |
| 4ab4dcb2 |
830 | $expout .= " <generalfeedback>\n"; |
| 831 | $expout .= $generalfeedback; |
| 832 | $expout .= " </generalfeedback>\n"; |
| 7b8bc256 |
833 | } |
| 834 | |
| d08e16b2 |
835 | if (!empty($question->options->shuffleanswers)) { |
| 836 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; |
| 837 | } |
| 838 | else { |
| 839 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; |
| 840 | } |
| 84769fd8 |
841 | |
| 842 | // output depends on question type |
| 843 | switch($question->qtype) { |
| f1abd39f |
844 | case 'category': |
| 845 | // not a qtype really - dummy used for category switching |
| 846 | break; |
| 84769fd8 |
847 | case TRUEFALSE: |
| 36e2232e |
848 | foreach ($question->options->answers as $answer) { |
| 849 | $fraction_pc = round( $answer->fraction * 100 ); |
| 3246ed33 |
850 | if ($answer->id == $question->options->trueanswer) { |
| 851 | $answertext = 'true'; |
| 852 | } else { |
| 853 | $answertext = 'false'; |
| 854 | } |
| 36e2232e |
855 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 |
856 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| 36e2232e |
857 | $expout .= " <feedback>\n"; |
| 858 | $expout .= $this->writetext( $answer->feedback,4,false ); |
| 859 | $expout .= " </feedback>\n"; |
| 860 | $expout .= " </answer>\n"; |
| 861 | } |
| 84769fd8 |
862 | break; |
| 863 | case MULTICHOICE: |
| 864 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; |
| 307f045f |
865 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| 866 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; |
| 867 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; |
| 868 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; |
| 2377f8dc |
869 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; |
| 84769fd8 |
870 | foreach($question->options->answers as $answer) { |
| 871 | $percent = $answer->fraction * 100; |
| 872 | $expout .= " <answer fraction=\"$percent\">\n"; |
| 873 | $expout .= $this->writetext( $answer->answer,4,false ); |
| 874 | $expout .= " <feedback>\n"; |
| 6e557c08 |
875 | $expout .= $this->writetext( $answer->feedback,5,false ); |
| 84769fd8 |
876 | $expout .= " </feedback>\n"; |
| 877 | $expout .= " </answer>\n"; |
| 878 | } |
| 879 | break; |
| 880 | case SHORTANSWER: |
| 881 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; |
| 882 | foreach($question->options->answers as $answer) { |
| 883 | $percent = 100 * $answer->fraction; |
| 884 | $expout .= " <answer fraction=\"$percent\">\n"; |
| 885 | $expout .= $this->writetext( $answer->answer,3,false ); |
| 886 | $expout .= " <feedback>\n"; |
| 887 | $expout .= $this->writetext( $answer->feedback,4,false ); |
| 888 | $expout .= " </feedback>\n"; |
| 889 | $expout .= " </answer>\n"; |
| 890 | } |
| 891 | break; |
| 892 | case NUMERICAL: |
| 893 | foreach ($question->options->answers as $answer) { |
| 894 | $tolerance = $answer->tolerance; |
| 55c54868 |
895 | $percent = 100 * $answer->fraction; |
| 896 | $expout .= "<answer fraction=\"$percent\">\n"; |
| 897 | // <text> tags are an added feature, old filed won't have them |
| 898 | $expout .= " <text>{$answer->answer}</text>\n"; |
| 84769fd8 |
899 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 900 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 55c54868 |
901 | // fraction tag is deprecated |
| 902 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; |
| 84769fd8 |
903 | $expout .= "</answer>\n"; |
| 904 | } |
| 905 | |
| 906 | $units = $question->options->units; |
| 907 | if (count($units)) { |
| 908 | $expout .= "<units>\n"; |
| 909 | foreach ($units as $unit) { |
| 910 | $expout .= " <unit>\n"; |
| 911 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; |
| 912 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; |
| 913 | $expout .= " </unit>\n"; |
| 914 | } |
| 915 | $expout .= "</units>\n"; |
| 916 | } |
| 917 | break; |
| 918 | case MATCH: |
| 919 | foreach($question->options->subquestions as $subquestion) { |
| 920 | $expout .= "<subquestion>\n"; |
| 921 | $expout .= $this->writetext( $subquestion->questiontext ); |
| 922 | $expout .= "<answer>".$this->writetext( $subquestion->answertext )."</answer>\n"; |
| 923 | $expout .= "</subquestion>\n"; |
| 924 | } |
| 925 | break; |
| 926 | case DESCRIPTION: |
| c81415c7 |
927 | // nothing more to do for this type |
| 84769fd8 |
928 | break; |
| 929 | case MULTIANSWER: |
| 7b8bc256 |
930 | $a_count=1; |
| 931 | foreach($question->options->questions as $question) { |
| 294ce987 |
932 | $thispattern = addslashes("{#".$a_count."}"); // TODO: fix this addslashes |
| 7b8bc256 |
933 | $thisreplace = $question->questiontext; |
| 6dbcacee |
934 | $expout=preg_replace("~$thispattern~", $thisreplace, $expout ); |
| 7b8bc256 |
935 | $a_count++; |
| 936 | } |
| 937 | break; |
| c81415c7 |
938 | case ESSAY: |
| 33ed59a2 |
939 | if (!empty($question->options->answers)) { |
| 940 | foreach ($question->options->answers as $answer) { |
| 941 | $percent = 100 * $answer->fraction; |
| 942 | $expout .= "<answer fraction=\"$percent\">\n"; |
| 943 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 944 | // fraction tag is deprecated |
| 945 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; |
| 946 | $expout .= "</answer>\n"; |
| 947 | } |
| c81415c7 |
948 | } |
| 725ba2a0 |
949 | break; |
| 950 | case CALCULATED: |
| 505f7342 |
951 | if (!empty($question->options->synchronize)) { |
| 952 | $expout .= " <synchronize>{$question->options->synchronize}</synchronize>\n"; |
| 953 | } |
| 954 | else { |
| 955 | $expout .= " <synchronize>0</synchronize>\n"; |
| 956 | } |
| 9c1c6c7f |
957 | case CALCULATEDSIMPLE: |
| 725ba2a0 |
958 | foreach ($question->options->answers as $answer) { |
| 959 | $tolerance = $answer->tolerance; |
| 960 | $tolerancetype = $answer->tolerancetype; |
| 961 | $correctanswerlength= $answer->correctanswerlength ; |
| 962 | $correctanswerformat= $answer->correctanswerformat; |
| 963 | $percent = 100 * $answer->fraction; |
| 964 | $expout .= "<answer fraction=\"$percent\">\n"; |
| 965 | // "<text/>" tags are an added feature, old files won't have them |
| 966 | $expout .= " <text>{$answer->answer}</text>\n"; |
| 967 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 968 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; |
| 969 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; |
| a800639b |
970 | $expout .= " <correctanswerlength>$correctanswerlength</correctanswerlength>\n"; |
| 725ba2a0 |
971 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 972 | $expout .= "</answer>\n"; |
| 973 | } |
| 974 | $units = $question->options->units; |
| 975 | if (count($units)) { |
| 976 | $expout .= "<units>\n"; |
| 977 | foreach ($units as $unit) { |
| 978 | $expout .= " <unit>\n"; |
| 979 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; |
| 980 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; |
| 981 | $expout .= " </unit>\n"; |
| 982 | } |
| 983 | $expout .= "</units>\n"; |
| 984 | } |
| 9c1c6c7f |
985 | //The tag $question->export_process has been set so we get all the data items in the database |
| 986 | // from the function $QTYPES['calculated']->get_question_options(&$question); |
| 987 | // calculatedsimple defaults to calculated |
| c9e4ba36 |
988 | if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be |
| 725ba2a0 |
989 | $expout .= "<dataset_definitions>\n"; |
| c9e4ba36 |
990 | foreach ($question->options->datasets as $def) { |
| 725ba2a0 |
991 | $expout .= "<dataset_definition>\n"; |
| 992 | $expout .= " <status>".$this->writetext($def->status)."</status>\n"; |
| 993 | $expout .= " <name>".$this->writetext($def->name)."</name>\n"; |
| 9c1c6c7f |
994 | if ( $question->qtype == CALCULATED){ |
| 995 | $expout .= " <type>calculated</type>\n"; |
| 996 | }else { |
| 997 | $expout .= " <type>calculatedsimple</type>\n"; |
| 998 | } |
| 725ba2a0 |
999 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1000 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; |
| 1001 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; |
| 1002 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 1003 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1004 | if ($def->itemcount > 0 ) { |
| 1005 | $expout .= " <dataset_items>\n"; |
| 1006 | foreach ($def->items as $item ){ |
| 1007 | $expout .= " <dataset_item>\n"; |
| 1008 | $expout .= " <number>".$item->itemnumber."</number>\n"; |
| 1009 | $expout .= " <value>".$item->value."</value>\n"; |
| 1010 | $expout .= " </dataset_item>\n"; |
| 1011 | } |
| 1012 | $expout .= " </dataset_items>\n"; |
| 1013 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; |
| 1014 | } |
| 1015 | $expout .= "</dataset_definition>\n"; |
| 1016 | } |
| 1017 | $expout .= "</dataset_definitions>\n"; |
| 1018 | } |
| c81415c7 |
1019 | break; |
| 84769fd8 |
1020 | default: |
| a41e3287 |
1021 | // try support by optional plugin |
| 392238d6 |
1022 | if (!$data = $this->try_exporting_using_qtypes( $question->qtype, $question )) { |
| fef8f84e |
1023 | echo $OUTPUT->notification( get_string( 'unsupportedexport','qformat_xml',$QTYPES[$question->qtype]->local_name() ) ); |
| a41e3287 |
1024 | } |
| 392238d6 |
1025 | $expout .= $data; |
| 84769fd8 |
1026 | } |
| 1027 | |
| 1028 | // close the question tag |
| 1029 | $expout .= "</question>\n"; |
| 1030 | |
| 84769fd8 |
1031 | return $expout; |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | ?> |
