| Commit | Line | Data |
|---|---|---|
| aeb15530 | 1 | <?php |
| 84769fd8 | 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 | ||
| 88bc20c3 | 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 ) { |
| 88bc20c3 | 33 | $name = trim($name); |
| 34 | ||
| 84769fd8 | 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 | |
| 88bc20c3 | 89 | * @param array path path to node expressed as array |
| 90 | * @param mixed default | |
| 46013523 | 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( $question, array('#','questiontext',0,'@','format'), '' ); |
| 04d8268d PP |
135 | if (!is_numeric($qo->questiontextformat)) { |
| 136 | $qo->questiontextformat = text_format_name($qo->questiontextformat); | |
| 137 | } | |
| e7ef42f5 | 138 | $qo->image = $this->getpath( $question, array('#','image',0,'#'), $qo->image ); |
| 46013523 | 139 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 140 | if (!empty($image_base64)) { | |
| cdfaa838 | 141 | $qo->image = $this->importimagefile( $qo->image, $image_base64); |
| 46013523 | 142 | } |
| 143 | $qo->generalfeedback = $this->getpath( $question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true ); | |
| 144 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); | |
| 145 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); | |
| 84769fd8 | 146 | |
| 147 | return $qo; | |
| 148 | } | |
| 149 | ||
| 6e557c08 | 150 | /** |
| c81415c7 | 151 | * import the common parts of a single answer |
| 6e557c08 | 152 | * @param array answer xml tree for single answer |
| 153 | * @return object answer object | |
| 88bc20c3 | 154 | */ |
| 84769fd8 | 155 | function import_answer( $answer ) { |
| 81a7a02b | 156 | $fraction = $this->getpath( $answer, array('@','fraction'),0 ); |
| 157 | $text = $this->getpath( $answer, array('#','text',0,'#'), '', true ); | |
| 158 | $feedback = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); | |
| 84769fd8 | 159 | |
| 160 | $ans = null; | |
| 161 | $ans->answer = $text; | |
| 162 | $ans->fraction = $fraction / 100; | |
| 163 | $ans->feedback = $feedback; | |
| 84769fd8 | 164 | return $ans; |
| 165 | } | |
| 166 | ||
| 6e557c08 | 167 | /** |
| 88bc20c3 | 168 | * import multiple choice question |
| 6e557c08 | 169 | * @param array question question array from xml tree |
| 170 | * @return object question object | |
| c81415c7 | 171 | */ |
| 84769fd8 | 172 | function import_multichoice( $question ) { |
| 84769fd8 | 173 | // get common parts |
| 174 | $qo = $this->import_headers( $question ); | |
| 175 | ||
| 176 | // 'header' parts particular to multichoice | |
| 177 | $qo->qtype = MULTICHOICE; | |
| 81a7a02b | 178 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 84769fd8 | 179 | $qo->single = $this->trans_single( $single ); |
| 81a7a02b | 180 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); |
| 2377f8dc | 181 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); |
| 2da44816 | 182 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| 81a7a02b | 183 | $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); |
| 184 | $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 185 | $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| c0ffeb39 | 186 | |
| 187 | // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found. | |
| 188 | if (empty($qo->answernumbering)) { | |
| 189 | $qo->answernumbering = 'abc'; | |
| 190 | } | |
| 191 | ||
| 84769fd8 | 192 | // run through the answers |
| 88bc20c3 | 193 | $answers = $question['#']['answer']; |
| 84769fd8 | 194 | $a_count = 0; |
| 195 | foreach ($answers as $answer) { | |
| 196 | $ans = $this->import_answer( $answer ); | |
| 197 | $qo->answer[$a_count] = $ans->answer; | |
| 198 | $qo->fraction[$a_count] = $ans->fraction; | |
| 199 | $qo->feedback[$a_count] = $ans->feedback; | |
| 200 | ++$a_count; | |
| 201 | } | |
| 84769fd8 | 202 | return $qo; |
| 203 | } | |
| 204 | ||
| 6e557c08 | 205 | /** |
| c81415c7 | 206 | * import cloze type question |
| 6e557c08 | 207 | * @param array question question array from xml tree |
| 208 | * @return object question object | |
| c81415c7 | 209 | */ |
| 7b8bc256 | 210 | function import_multianswer( $questions ) { |
| 0c6b4d2e | 211 | $questiontext = $questions['#']['questiontext'][0]['#']['text']; |
| 212 | $qo = qtype_multianswer_extract_question($this->import_text($questiontext)); | |
| 7b8bc256 | 213 | |
| 214 | // 'header' parts particular to multianswer | |
| 215 | $qo->qtype = MULTIANSWER; | |
| 216 | $qo->course = $this->course; | |
| 4ab4dcb2 | 217 | $qo->generalfeedback = $this->getpath( $questions, array('#','generalfeedback',0,'#','text',0,'#'), '', true ); |
| 7b8bc256 | 218 | |
| 71ffbac2 | 219 | if (!empty($questions)) { |
| 7b8bc256 | 220 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 221 | } | |
| 222 | ||
| 223 | return $qo; | |
| 224 | } | |
| 225 | ||
| 6e557c08 | 226 | /** |
| c81415c7 | 227 | * import true/false type question |
| 6e557c08 | 228 | * @param array question question array from xml tree |
| 229 | * @return object question object | |
| c81415c7 | 230 | */ |
| 84769fd8 | 231 | function import_truefalse( $question ) { |
| 84769fd8 | 232 | // get common parts |
| fef8f84e | 233 | global $OUTPUT; |
| 84769fd8 | 234 | $qo = $this->import_headers( $question ); |
| 235 | ||
| 236 | // 'header' parts particular to true/false | |
| 237 | $qo->qtype = TRUEFALSE; | |
| 238 | ||
| 239 | // get answer info | |
| 3246ed33 | 240 | // |
| 241 | // In the past, it used to be assumed that the two answers were in the file | |
| 242 | // true first, then false. Howevever that was not always true. Now, we | |
| 243 | // try to match on the answer text, but in old exports, this will be a localised | |
| 244 | // string, so if we don't find true or false, we fall back to the old system. | |
| 245 | $first = true; | |
| 246 | $warning = false; | |
| 247 | foreach ($question['#']['answer'] as $answer) { | |
| 81a7a02b | 248 | $answertext = $this->getpath( $answer, array('#','text',0,'#'), '', true ); |
| 249 | $feedback = $this->getpath($answer, array('#','feedback',0,'#','text',0,'#'), '', true ); | |
| 3246ed33 | 250 | if ($answertext != 'true' && $answertext != 'false') { |
| 251 | $warning = true; | |
| 252 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. | |
| 88bc20c3 | 253 | } |
| 3246ed33 | 254 | if ($answertext == 'true') { |
| 255 | $qo->answer = ($answer['@']['fraction'] == 100); | |
| 7939a4a0 | 256 | $qo->correctanswer = $qo->answer; |
| 3246ed33 | 257 | $qo->feedbacktrue = $feedback; |
| 258 | } else { | |
| 259 | $qo->answer = ($answer['@']['fraction'] != 100); | |
| 7939a4a0 | 260 | $qo->correctanswer = $qo->answer; |
| 3246ed33 | 261 | $qo->feedbackfalse = $feedback; |
| 262 | } | |
| 263 | $first = false; | |
| 84769fd8 | 264 | } |
| 3246ed33 | 265 | |
| 266 | if ($warning) { | |
| 267 | $a = new stdClass; | |
| 55c54868 | 268 | $a->questiontext = $qo->questiontext; |
| 3246ed33 | 269 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| fef8f84e | 270 | echo $OUTPUT->notification(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 | 271 | } |
| 84769fd8 | 272 | return $qo; |
| 273 | } | |
| 274 | ||
| 6e557c08 | 275 | /** |
| c81415c7 | 276 | * import short answer type question |
| 6e557c08 | 277 | * @param array question question array from xml tree |
| 278 | * @return object question object | |
| c81415c7 | 279 | */ |
| 84769fd8 | 280 | function import_shortanswer( $question ) { |
| 84769fd8 | 281 | // get common parts |
| 282 | $qo = $this->import_headers( $question ); | |
| 283 | ||
| 284 | // header parts particular to shortanswer | |
| 285 | $qo->qtype = SHORTANSWER; | |
| 286 | ||
| 287 | // get usecase | |
| 46013523 | 288 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 | 289 | |
| 290 | // run through the answers | |
| 88bc20c3 | 291 | $answers = $question['#']['answer']; |
| 84769fd8 | 292 | $a_count = 0; |
| 293 | foreach ($answers as $answer) { | |
| 294 | $ans = $this->import_answer( $answer ); | |
| 295 | $qo->answer[$a_count] = $ans->answer; | |
| 296 | $qo->fraction[$a_count] = $ans->fraction; | |
| 297 | $qo->feedback[$a_count] = $ans->feedback; | |
| 298 | ++$a_count; | |
| 299 | } | |
| 300 | ||
| 301 | return $qo; | |
| 302 | } | |
| 88bc20c3 | 303 | |
| 6e557c08 | 304 | /** |
| c81415c7 | 305 | * import description type question |
| 6e557c08 | 306 | * @param array question question array from xml tree |
| 307 | * @return object question object | |
| c81415c7 | 308 | */ |
| 7b8bc256 | 309 | function import_description( $question ) { |
| 310 | // get common parts | |
| 311 | $qo = $this->import_headers( $question ); | |
| 312 | // header parts particular to shortanswer | |
| 313 | $qo->qtype = DESCRIPTION; | |
| 3f5633df | 314 | $qo->defaultgrade = 0; |
| 315 | $qo->length = 0; | |
| 7b8bc256 | 316 | return $qo; |
| 317 | } | |
| 84769fd8 | 318 | |
| 6e557c08 | 319 | /** |
| c81415c7 | 320 | * import numerical type question |
| 6e557c08 | 321 | * @param array question question array from xml tree |
| 322 | * @return object question object | |
| c81415c7 | 323 | */ |
| 324 | function import_numerical( $question ) { | |
| 84769fd8 | 325 | // get common parts |
| 326 | $qo = $this->import_headers( $question ); | |
| 327 | ||
| 328 | // header parts particular to numerical | |
| 329 | $qo->qtype = NUMERICAL; | |
| 330 | ||
| 331 | // get answers array | |
| 332 | $answers = $question['#']['answer']; | |
| 333 | $qo->answer = array(); | |
| 334 | $qo->feedback = array(); | |
| 335 | $qo->fraction = array(); | |
| 336 | $qo->tolerance = array(); | |
| 337 | foreach ($answers as $answer) { | |
| 55c54868 | 338 | // answer outside of <text> is deprecated |
| 81a7a02b | 339 | $answertext = trim( $this->getpath( $answer, array('#',0), '' ) ); |
| 340 | $qo->answer[] = $this->getpath( $answer, array('#','text',0,'#'), $answertext, true ); | |
| 341 | if (empty($qo->answer)) { | |
| 342 | $qo->answer = '*'; | |
| 55c54868 | 343 | } |
| 81a7a02b | 344 | $qo->feedback[] = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); |
| 345 | $qo->tolerance[] = $this->getpath( $answer, array('#','tolerance',0,'#'), 0 ); | |
| 55c54868 | 346 | |
| 347 | // fraction as a tag is deprecated | |
| 81a7a02b | 348 | $fraction = $this->getpath( $answer, array('@','fraction'), 0 ) / 100; |
| 349 | $qo->fraction[] = $this->getpath( $answer, array('#','fraction',0,'#'), $fraction ); // deprecated | |
| 84769fd8 | 350 | } |
| 351 | ||
| 352 | // get units array | |
| 84769fd8 | 353 | $qo->unit = array(); |
| 81a7a02b | 354 | $units = $this->getpath( $question, array('#','units',0,'#','unit'), array() ); |
| 355 | if (!empty($units)) { | |
| a0d187bf | 356 | $qo->multiplier = array(); |
| 357 | foreach ($units as $unit) { | |
| 81a7a02b | 358 | $qo->multiplier[] = $this->getpath( $unit, array('#','multiplier',0,'#'), 1 ); |
| 359 | $qo->unit[] = $this->getpath( $unit, array('#','unit_name',0,'#'), '', true ); | |
| a0d187bf | 360 | } |
| 84769fd8 | 361 | } |
| 84769fd8 | 362 | return $qo; |
| 363 | } | |
| 364 | ||
| 6e557c08 | 365 | /** |
| c81415c7 | 366 | * import matching type question |
| 6e557c08 | 367 | * @param array question question array from xml tree |
| 368 | * @return object question object | |
| c81415c7 | 369 | */ |
| 51bcdf28 | 370 | function import_matching( $question ) { |
| 51bcdf28 | 371 | // get common parts |
| 372 | $qo = $this->import_headers( $question ); | |
| 373 | ||
| 374 | // header parts particular to matching | |
| 375 | $qo->qtype = MATCH; | |
| 81a7a02b | 376 | $qo->shuffleanswers = $this->getpath( $question, array( '#','shuffleanswers',0,'#' ), 1 ); |
| 51bcdf28 | 377 | |
| 378 | // get subquestions | |
| 379 | $subquestions = $question['#']['subquestion']; | |
| 380 | $qo->subquestions = array(); | |
| 381 | $qo->subanswers = array(); | |
| 382 | ||
| 383 | // run through subquestions | |
| 384 | foreach ($subquestions as $subquestion) { | |
| 81a7a02b | 385 | $qo->subquestions[] = $this->getpath( $subquestion, array('#','text',0,'#'), '', true ); |
| 386 | $qo->subanswers[] = $this->getpath( $subquestion, array('#','answer',0,'#','text',0,'#'), '', true); | |
| 51bcdf28 | 387 | } |
| 51bcdf28 | 388 | return $qo; |
| 389 | } | |
| 390 | ||
| 6e557c08 | 391 | /** |
| c81415c7 | 392 | * import essay type question |
| 6e557c08 | 393 | * @param array question question array from xml tree |
| 394 | * @return object question object | |
| c81415c7 | 395 | */ |
| 396 | function import_essay( $question ) { | |
| 397 | // get common parts | |
| 398 | $qo = $this->import_headers( $question ); | |
| 399 | ||
| 400 | // header parts particular to essay | |
| 401 | $qo->qtype = ESSAY; | |
| 402 | ||
| 403 | // get feedback | |
| 88bc20c3 | 404 | $qo->feedback = $this->getpath( $question, array('#','answer',0,'#','feedback',0,'#','text',0,'#'), '', true ); |
| 55c54868 | 405 | |
| 406 | // get fraction - <fraction> tag is deprecated | |
| 6af98025 | 407 | $qo->fraction = $this->getpath( $question, array('@','fraction'), 0 ) / 100; |
| 408 | $q0->fraction = $this->getpath( $question, array('#','fraction',0,'#'), $qo->fraction ); | |
| c81415c7 | 409 | |
| 410 | return $qo; | |
| 411 | } | |
| 84769fd8 | 412 | |
| 725ba2a0 | 413 | function import_calculated( $question ) { |
| 04d8268d | 414 | // import calculated question |
| 725ba2a0 | 415 | |
| 416 | // get common parts | |
| 417 | $qo = $this->import_headers( $question ); | |
| 418 | ||
| 04d8268d | 419 | // header parts particular to calculated |
| 725ba2a0 | 420 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 505f7342 | 421 | $qo->synchronize = $this->getpath( $question, array( '#','synchronize',0,'#' ), 0 ); |
| 04d8268d PP |
422 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 423 | $qo->single = $this->trans_single( $single ); | |
| 424 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); | |
| 425 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); | |
| 426 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); | |
| 427 | $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); | |
| 428 | $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 429 | $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 430 | $qo->unitgradingtype = $this->getpath( $question, array('#','unitgradingtype',0,'#'), 0 ); | |
| 431 | $qo->unitpenalty = $this->getpath( $question, array('#','unitpenalty',0,'#'), 0 ); | |
| 432 | $qo->showunits = $this->getpath( $question, array('#','showunits',0,'#'), 0 ); | |
| 433 | $qo->unitsleft = $this->getpath( $question, array('#','unitsleft',0,'#'), 0 ); | |
| 434 | $qo->instructions = $this->getpath( $question, array('#','instructions',0,'#','text',0,'#'), '', true ); | |
| 725ba2a0 | 435 | // get answers array |
| 436 | // echo "<pre> question";print_r($question);echo "</pre>"; | |
| 437 | $answers = $question['#']['answer']; | |
| 438 | $qo->answers = array(); | |
| 439 | $qo->feedback = array(); | |
| 440 | $qo->fraction = array(); | |
| 441 | $qo->tolerance = array(); | |
| 442 | $qo->tolerancetype = array(); | |
| 443 | $qo->correctanswerformat = array(); | |
| 444 | $qo->correctanswerlength = array(); | |
| 445 | $qo->feedback = array(); | |
| 446 | foreach ($answers as $answer) { | |
| 447 | // answer outside of <text> is deprecated | |
| 448 | if (!empty( $answer['#']['text'] )) { | |
| 449 | $answertext = $this->import_text( $answer['#']['text'] ); | |
| 450 | } | |
| 451 | else { | |
| 452 | $answertext = trim($answer['#'][0]); | |
| 453 | } | |
| 454 | if ($answertext == '') { | |
| 455 | $qo->answers[] = '*'; | |
| 456 | } else { | |
| 457 | $qo->answers[] = $answertext; | |
| 458 | } | |
| 459 | $qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); | |
| 460 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; | |
| 461 | // fraction as a tag is deprecated | |
| 462 | if (!empty($answer['#']['fraction'][0]['#'])) { | |
| 463 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; | |
| 464 | } | |
| 465 | else { | |
| 466 | $qo->fraction[] = $answer['@']['fraction'] / 100; | |
| 467 | } | |
| 468 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; | |
| 469 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; | |
| 470 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; | |
| 471 | } | |
| 472 | // get units array | |
| 473 | $qo->unit = array(); | |
| 474 | if (isset($question['#']['units'][0]['#']['unit'])) { | |
| 475 | $units = $question['#']['units'][0]['#']['unit']; | |
| 476 | $qo->multiplier = array(); | |
| 477 | foreach ($units as $unit) { | |
| 478 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; | |
| 479 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; | |
| 480 | } | |
| 481 | } | |
| 482 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; | |
| 483 | $qo->dataset = array(); | |
| 484 | $qo->datasetindex= 0 ; | |
| 485 | foreach ($datasets as $dataset) { | |
| 486 | $qo->datasetindex++; | |
| 487 | $qo->dataset[$qo->datasetindex] = new stdClass(); | |
| 488 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); | |
| 489 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); | |
| 490 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; | |
| 491 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 492 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); | |
| 493 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); | |
| 494 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); | |
| 495 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 496 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; | |
| 497 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); | |
| 498 | $qo->dataset[$qo->datasetindex]->itemindex = 0; | |
| 499 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; | |
| 500 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; | |
| 501 | foreach ($datasetitems as $datasetitem) { | |
| 502 | $qo->dataset[$qo->datasetindex]->itemindex++; | |
| 503 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); | |
| 504 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; | |
| 505 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; | |
| 88bc20c3 | 506 | } |
| 725ba2a0 | 507 | } |
| 88bc20c3 | 508 | |
| 5fd8f999 | 509 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 | 510 | |
| 511 | return $qo; | |
| 512 | } | |
| 513 | ||
| ee259d0c | 514 | /** |
| 515 | * this is not a real question type. It's a dummy type used | |
| 516 | * to specify the import category | |
| 517 | * format is: | |
| 518 | * <question type="category"> | |
| 519 | * <category>tom/dick/harry</category> | |
| 520 | * </question> | |
| 521 | */ | |
| 522 | function import_category( $question ) { | |
| 0c6b4d2e | 523 | $qo = new stdClass; |
| ee259d0c | 524 | $qo->qtype = 'category'; |
| 86b68520 | 525 | $qo->category = $this->import_text($question['#']['category'][0]['#']['text']); |
| ee259d0c | 526 | return $qo; |
| 527 | } | |
| 528 | ||
| c81415c7 | 529 | /** |
| 530 | * parse the array of lines into an array of questions | |
| 531 | * this *could* burn memory - but it won't happen that much | |
| 532 | * so fingers crossed! | |
| 6e557c08 | 533 | * @param array lines array of lines from the input file |
| 534 | * @return array (of objects) question objects | |
| c81415c7 | 535 | */ |
| 536 | function readquestions($lines) { | |
| 84769fd8 | 537 | // we just need it as one big string |
| 538 | $text = implode($lines, " "); | |
| 539 | unset( $lines ); | |
| 540 | ||
| 541 | // this converts xml to big nasty data structure | |
| 542 | // the 0 means keep white space as it is (important for markdown format) | |
| 543 | // print_r it if you want to see what it looks like! | |
| 88bc20c3 | 544 | $xml = xmlize( $text, 0 ); |
| 84769fd8 | 545 | |
| 546 | // set up array to hold all our questions | |
| 547 | $questions = array(); | |
| 548 | ||
| 549 | // iterate through questions | |
| 550 | foreach ($xml['quiz']['#']['question'] as $question) { | |
| 551 | $question_type = $question['@']['type']; | |
| 552 | $questiontype = get_string( 'questiontype','quiz',$question_type ); | |
| 84769fd8 | 553 | |
| 554 | if ($question_type=='multichoice') { | |
| 555 | $qo = $this->import_multichoice( $question ); | |
| 88bc20c3 | 556 | } |
| 84769fd8 | 557 | elseif ($question_type=='truefalse') { |
| 558 | $qo = $this->import_truefalse( $question ); | |
| 559 | } | |
| 560 | elseif ($question_type=='shortanswer') { | |
| 561 | $qo = $this->import_shortanswer( $question ); | |
| 562 | } | |
| 563 | elseif ($question_type=='numerical') { | |
| 564 | $qo = $this->import_numerical( $question ); | |
| 565 | } | |
| 7b8bc256 | 566 | elseif ($question_type=='description') { |
| 567 | $qo = $this->import_description( $question ); | |
| 568 | } | |
| 51bcdf28 | 569 | elseif ($question_type=='matching') { |
| 570 | $qo = $this->import_matching( $question ); | |
| 571 | } | |
| 7b8bc256 | 572 | elseif ($question_type=='cloze') { |
| c81415c7 | 573 | $qo = $this->import_multianswer( $question ); |
| 574 | } | |
| 575 | elseif ($question_type=='essay') { | |
| 576 | $qo = $this->import_essay( $question ); | |
| 7b8bc256 | 577 | } |
| 725ba2a0 | 578 | elseif ($question_type=='calculated') { |
| 579 | $qo = $this->import_calculated( $question ); | |
| 580 | } | |
| 9c1c6c7f | 581 | elseif ($question_type=='calculatedsimple') { |
| 582 | $qo = $this->import_calculated( $question ); | |
| 583 | $qo->qtype = CALCULATEDSIMPLE ; | |
| 584 | } | |
| 04d8268d PP |
585 | elseif ($question_type=='calculatedmulti') { |
| 586 | $qo = $this->import_calculated( $question ); | |
| 587 | $qo->qtype = CALCULATEDMULTI ; | |
| 588 | } | |
| ee259d0c | 589 | elseif ($question_type=='category') { |
| 590 | $qo = $this->import_category( $question ); | |
| 591 | } | |
| 84769fd8 | 592 | else { |
| a41e3287 | 593 | // try for plugin support |
| 88bc20c3 | 594 | // no default question, as the plugin can call |
| a41e3287 | 595 | // import_headers() itself if it wants to |
| 88bc20c3 | 596 | if (!$qo = $this->try_importing_using_qtypes( $question, null, null, $question_type)) { |
| a41e3287 | 597 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 598 | $this->error( $notsupported ); | |
| 599 | $qo = null; | |
| 600 | } | |
| 84769fd8 | 601 | } |
| 602 | ||
| 603 | // stick the result in the $questions array | |
| 604 | if ($qo) { | |
| 605 | $questions[] = $qo; | |
| 606 | } | |
| 607 | } | |
| 84769fd8 | 608 | return $questions; |
| 609 | } | |
| 610 | ||
| 611 | // EXPORT FUNCTIONS START HERE | |
| 612 | ||
| 84769fd8 | 613 | function export_file_extension() { |
| 614 | // override default type so extension is .xml | |
| 88bc20c3 | 615 | |
| 84769fd8 | 616 | return ".xml"; |
| 617 | } | |
| 618 | ||
| c81415c7 | 619 | |
| 620 | /** | |
| 621 | * Turn the internal question code into a human readable form | |
| 622 | * (The code used to be numeric, but this remains as some of | |
| 623 | * the names don't match the new internal format) | |
| 6e557c08 | 624 | * @param mixed type_id Internal code |
| 625 | * @return string question type string | |
| c81415c7 | 626 | */ |
| 84769fd8 | 627 | function get_qtype( $type_id ) { |
| 84769fd8 | 628 | switch( $type_id ) { |
| 629 | case TRUEFALSE: | |
| 630 | $name = 'truefalse'; | |
| 631 | break; | |
| 632 | case MULTICHOICE: | |
| 633 | $name = 'multichoice'; | |
| 634 | break; | |
| 635 | case SHORTANSWER: | |
| 636 | $name = 'shortanswer'; | |
| 637 | break; | |
| 638 | case NUMERICAL: | |
| 639 | $name = 'numerical'; | |
| 640 | break; | |
| 641 | case MATCH: | |
| 642 | $name = 'matching'; | |
| 643 | break; | |
| 644 | case DESCRIPTION: | |
| 645 | $name = 'description'; | |
| 646 | break; | |
| 647 | case MULTIANSWER: | |
| 648 | $name = 'cloze'; | |
| 649 | break; | |
| c81415c7 | 650 | case ESSAY: |
| 651 | $name = 'essay'; | |
| 652 | break; | |
| 725ba2a0 | 653 | case CALCULATED: |
| 654 | $name = 'calculated'; | |
| 655 | break; | |
| 9c1c6c7f | 656 | case CALCULATEDSIMPLE: |
| 657 | $name = 'calculatedsimple'; | |
| 658 | break; | |
| 04d8268d PP |
659 | case CALCULATEDMULTI: |
| 660 | $name = 'calculatedmulti'; | |
| 661 | break; | |
| 84769fd8 | 662 | default: |
| a41e3287 | 663 | $name = false; |
| 84769fd8 | 664 | } |
| 665 | return $name; | |
| 666 | } | |
| 667 | ||
| 6e557c08 | 668 | /** |
| c81415c7 | 669 | * Convert internal Moodle text format code into |
| 670 | * human readable form | |
| 6e557c08 | 671 | * @param int id internal code |
| 672 | * @return string format text | |
| c81415c7 | 673 | */ |
| 84769fd8 | 674 | function get_format( $id ) { |
| 84769fd8 | 675 | switch( $id ) { |
| 676 | case 0: | |
| 677 | $name = "moodle_auto_format"; | |
| 678 | break; | |
| 679 | case 1: | |
| 680 | $name = "html"; | |
| 681 | break; | |
| 682 | case 2: | |
| 683 | $name = "plain_text"; | |
| 684 | break; | |
| 685 | case 3: | |
| 686 | $name = "wiki_like"; | |
| 687 | break; | |
| 688 | case 4: | |
| 689 | $name = "markdown"; | |
| 690 | break; | |
| 691 | default: | |
| 692 | $name = "unknown"; | |
| 693 | } | |
| 694 | return $name; | |
| 695 | } | |
| 696 | ||
| 6e557c08 | 697 | /** |
| 88bc20c3 | 698 | * Convert internal single question code into |
| c81415c7 | 699 | * human readable form |
| 6e557c08 | 700 | * @param int id single question code |
| 701 | * @return string single question string | |
| c81415c7 | 702 | */ |
| 84769fd8 | 703 | function get_single( $id ) { |
| 84769fd8 | 704 | switch( $id ) { |
| 705 | case 0: | |
| 706 | $name = "false"; | |
| 707 | break; | |
| 708 | case 1: | |
| 709 | $name = "true"; | |
| 710 | break; | |
| 711 | default: | |
| 712 | $name = "unknown"; | |
| 713 | } | |
| 714 | return $name; | |
| 715 | } | |
| 716 | ||
| 6e557c08 | 717 | /** |
| 88bc20c3 | 718 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 | 719 | * @param int ilev the current indent level |
| 720 | * @param boolean short stick it on one line | |
| 721 | * @return string formatted text | |
| c81415c7 | 722 | */ |
| 84769fd8 | 723 | function writetext( $raw, $ilev=0, $short=true) { |
| 84769fd8 | 724 | $indent = str_repeat( " ",$ilev ); |
| 725 | ||
| 3695cfa9 | 726 | // if required add CDATA tags |
| 727 | if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) { | |
| 728 | $raw = "<![CDATA[$raw]]>"; | |
| 729 | } | |
| 84769fd8 | 730 | |
| 731 | if ($short) { | |
| 732 | $xml = "$indent<text>$raw</text>\n"; | |
| 733 | } | |
| 734 | else { | |
| 735 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; | |
| 736 | } | |
| 737 | ||
| 738 | return $xml; | |
| 739 | } | |
| 88bc20c3 | 740 | |
| 81a7a02b | 741 | function xmltidy( $content ) { |
| 742 | // can only do this if tidy is installed | |
| 743 | if (extension_loaded('tidy')) { | |
| 744 | $config = array( 'input-xml'=>true, 'output-xml'=>true, 'indent'=>true, 'wrap'=>0 ); | |
| 745 | $tidy = new tidy; | |
| 746 | $tidy->parseString($content, $config, 'utf8'); | |
| 88bc20c3 | 747 | $tidy->cleanRepair(); |
| 81a7a02b | 748 | return $tidy->value; |
| 749 | } | |
| 750 | else { | |
| 751 | return $content; | |
| 752 | } | |
| 753 | } | |
| 754 | ||
| 84769fd8 | 755 | |
| 756 | function presave_process( $content ) { | |
| 757 | // override method to allow us to add xml headers and footers | |
| 758 | ||
| 81a7a02b | 759 | // add the xml headers and footers |
| 46013523 | 760 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 | 761 | "<quiz>\n" . |
| 762 | $content . "\n" . | |
| 763 | "</quiz>"; | |
| 764 | ||
| 81a7a02b | 765 | // make the xml look nice |
| 766 | $content = $this->xmltidy( $content ); | |
| 767 | ||
| 84769fd8 | 768 | return $content; |
| 769 | } | |
| 770 | ||
| 6e557c08 | 771 | /** |
| c81415c7 | 772 | * Include an image encoded in base 64 |
| 6e557c08 | 773 | * @param string imagepath The location of the image file |
| 88bc20c3 | 774 | * @return string xml code segment |
| c81415c7 | 775 | */ |
| d08e16b2 | 776 | function writeimage( $imagepath ) { |
| d08e16b2 | 777 | global $CFG; |
| 88bc20c3 | 778 | |
| d08e16b2 | 779 | if (empty($imagepath)) { |
| 780 | return ''; | |
| 781 | } | |
| 782 | ||
| 783 | $courseid = $this->course->id; | |
| 784 | if (!$binary = file_get_contents( "{$CFG->dataroot}/$courseid/$imagepath" )) { | |
| 785 | return ''; | |
| 786 | } | |
| 787 | ||
| 294ce987 | 788 | $content = " <image_base64>\n".base64_encode( $binary )."\n". |
| d08e16b2 | 789 | "\n </image_base64>\n"; |
| 790 | return $content; | |
| 791 | } | |
| 792 | ||
| 6e557c08 | 793 | /** |
| c81415c7 | 794 | * Turns question into an xml segment |
| 6e557c08 | 795 | * @param array question question array |
| 796 | * @return string xml segment | |
| c81415c7 | 797 | */ |
| 84769fd8 | 798 | function writequestion( $question ) { |
| fef8f84e | 799 | global $CFG,$QTYPES, $OUTPUT; |
| 84769fd8 | 800 | // initial string; |
| 801 | $expout = ""; | |
| 802 | ||
| 803 | // add comment | |
| 804 | $expout .= "\n\n<!-- question: $question->id -->\n"; | |
| 805 | ||
| a41e3287 | 806 | // check question type |
| 807 | if (!$question_type = $this->get_qtype( $question->qtype )) { | |
| 808 | // must be a plugin then, so just accept the name supplied | |
| 809 | $question_type = $question->qtype; | |
| 46013523 | 810 | } |
| 811 | ||
| 84769fd8 | 812 | // add opening tag |
| f1abd39f | 813 | // generates specific header for Cloze and category type question |
| 814 | if ($question->qtype == 'category') { | |
| 6f8481ec | 815 | $categorypath = $this->writetext( $question->category ); |
| f1abd39f | 816 | $expout .= " <question type=\"category\">\n"; |
| 817 | $expout .= " <category>\n"; | |
| 6f8481ec | 818 | $expout .= " $categorypath\n"; |
| f1abd39f | 819 | $expout .= " </category>\n"; |
| 820 | $expout .= " </question>\n"; | |
| 821 | return $expout; | |
| 88bc20c3 | 822 | } |
| f1abd39f | 823 | elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 | 824 | // for all question types except Close |
| 7b8bc256 | 825 | $name_text = $this->writetext( $question->name ); |
| 826 | $qtformat = $this->get_format($question->questiontextformat); | |
| 827 | $question_text = $this->writetext( $question->questiontext ); | |
| a4514d91 | 828 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 88bc20c3 | 829 | $expout .= " <question type=\"$question_type\">\n"; |
| 7b8bc256 | 830 | $expout .= " <name>$name_text</name>\n"; |
| 831 | $expout .= " <questiontext format=\"$qtformat\">\n"; | |
| 832 | $expout .= $question_text; | |
| 88bc20c3 | 833 | $expout .= " </questiontext>\n"; |
| 7b8bc256 | 834 | $expout .= " <image>{$question->image}</image>\n"; |
| 835 | $expout .= $this->writeimage($question->image); | |
| a4514d91 | 836 | $expout .= " <generalfeedback>\n"; |
| 837 | $expout .= $generalfeedback; | |
| 838 | $expout .= " </generalfeedback>\n"; | |
| c81415c7 | 839 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 | 840 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 841 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; | |
| 842 | } | |
| 843 | else { | |
| 844 | // for Cloze type only | |
| 7b8bc256 | 845 | $name_text = $this->writetext( $question->name ); |
| 846 | $question_text = $this->writetext( $question->questiontext ); | |
| 4ab4dcb2 | 847 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 | 848 | $expout .= " <question type=\"$question_type\">\n"; |
| 849 | $expout .= " <name>$name_text</name>\n"; | |
| 850 | $expout .= " <questiontext>\n"; | |
| 851 | $expout .= $question_text; | |
| 852 | $expout .= " </questiontext>\n"; | |
| 4ab4dcb2 | 853 | $expout .= " <generalfeedback>\n"; |
| 854 | $expout .= $generalfeedback; | |
| 855 | $expout .= " </generalfeedback>\n"; | |
| 7b8bc256 | 856 | } |
| 857 | ||
| d08e16b2 | 858 | if (!empty($question->options->shuffleanswers)) { |
| 859 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; | |
| 860 | } | |
| 861 | else { | |
| 862 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; | |
| 863 | } | |
| 84769fd8 | 864 | |
| 865 | // output depends on question type | |
| 866 | switch($question->qtype) { | |
| f1abd39f | 867 | case 'category': |
| 868 | // not a qtype really - dummy used for category switching | |
| 88bc20c3 | 869 | break; |
| 84769fd8 | 870 | case TRUEFALSE: |
| 36e2232e | 871 | foreach ($question->options->answers as $answer) { |
| 872 | $fraction_pc = round( $answer->fraction * 100 ); | |
| 3246ed33 | 873 | if ($answer->id == $question->options->trueanswer) { |
| 874 | $answertext = 'true'; | |
| 875 | } else { | |
| 876 | $answertext = 'false'; | |
| 88bc20c3 | 877 | } |
| 36e2232e | 878 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 | 879 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| 36e2232e | 880 | $expout .= " <feedback>\n"; |
| 881 | $expout .= $this->writetext( $answer->feedback,4,false ); | |
| 882 | $expout .= " </feedback>\n"; | |
| 883 | $expout .= " </answer>\n"; | |
| 884 | } | |
| 84769fd8 | 885 | break; |
| 886 | case MULTICHOICE: | |
| 887 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; | |
| 307f045f | 888 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| 889 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; | |
| 890 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; | |
| 891 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; | |
| 04d8268d | 892 | $expout .= " <answernumbering>".$this->writetext($question->options->answernumbering, 3)."</answernumbering>\n"; |
| 84769fd8 | 893 | foreach($question->options->answers as $answer) { |
| 894 | $percent = $answer->fraction * 100; | |
| 895 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 896 | $expout .= $this->writetext( $answer->answer,4,false ); | |
| 897 | $expout .= " <feedback>\n"; | |
| 6e557c08 | 898 | $expout .= $this->writetext( $answer->feedback,5,false ); |
| 84769fd8 | 899 | $expout .= " </feedback>\n"; |
| 900 | $expout .= " </answer>\n"; | |
| 901 | } | |
| 902 | break; | |
| 903 | case SHORTANSWER: | |
| 904 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; | |
| 905 | foreach($question->options->answers as $answer) { | |
| 906 | $percent = 100 * $answer->fraction; | |
| 907 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 908 | $expout .= $this->writetext( $answer->answer,3,false ); | |
| 909 | $expout .= " <feedback>\n"; | |
| 910 | $expout .= $this->writetext( $answer->feedback,4,false ); | |
| 911 | $expout .= " </feedback>\n"; | |
| 912 | $expout .= " </answer>\n"; | |
| 913 | } | |
| 914 | break; | |
| 915 | case NUMERICAL: | |
| 916 | foreach ($question->options->answers as $answer) { | |
| 917 | $tolerance = $answer->tolerance; | |
| 55c54868 | 918 | $percent = 100 * $answer->fraction; |
| 919 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 920 | // <text> tags are an added feature, old filed won't have them | |
| 921 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 84769fd8 | 922 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 923 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; | |
| 55c54868 | 924 | // fraction tag is deprecated |
| 925 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 84769fd8 | 926 | $expout .= "</answer>\n"; |
| 927 | } | |
| 928 | ||
| 929 | $units = $question->options->units; | |
| 930 | if (count($units)) { | |
| 931 | $expout .= "<units>\n"; | |
| 932 | foreach ($units as $unit) { | |
| 933 | $expout .= " <unit>\n"; | |
| 934 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 935 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 936 | $expout .= " </unit>\n"; | |
| 937 | } | |
| 938 | $expout .= "</units>\n"; | |
| 939 | } | |
| 940 | break; | |
| 941 | case MATCH: | |
| 942 | foreach($question->options->subquestions as $subquestion) { | |
| 943 | $expout .= "<subquestion>\n"; | |
| 944 | $expout .= $this->writetext( $subquestion->questiontext ); | |
| 945 | $expout .= "<answer>".$this->writetext( $subquestion->answertext )."</answer>\n"; | |
| 946 | $expout .= "</subquestion>\n"; | |
| 947 | } | |
| 948 | break; | |
| 949 | case DESCRIPTION: | |
| c81415c7 | 950 | // nothing more to do for this type |
| 84769fd8 | 951 | break; |
| 952 | case MULTIANSWER: | |
| 7b8bc256 | 953 | $a_count=1; |
| 954 | foreach($question->options->questions as $question) { | |
| 294ce987 | 955 | $thispattern = addslashes("{#".$a_count."}"); // TODO: fix this addslashes |
| 7b8bc256 | 956 | $thisreplace = $question->questiontext; |
| 6dbcacee | 957 | $expout=preg_replace("~$thispattern~", $thisreplace, $expout ); |
| 7b8bc256 | 958 | $a_count++; |
| 959 | } | |
| 960 | break; | |
| c81415c7 | 961 | case ESSAY: |
| 33ed59a2 | 962 | if (!empty($question->options->answers)) { |
| 963 | foreach ($question->options->answers as $answer) { | |
| 964 | $percent = 100 * $answer->fraction; | |
| 965 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 966 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; | |
| 967 | // fraction tag is deprecated | |
| 968 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 969 | $expout .= "</answer>\n"; | |
| 970 | } | |
| c81415c7 | 971 | } |
| 725ba2a0 | 972 | break; |
| 973 | case CALCULATED: | |
| 9c1c6c7f | 974 | case CALCULATEDSIMPLE: |
| 04d8268d PP |
975 | case CALCULATEDMULTI: |
| 976 | $expout .= " <synchronize>{$question->options->synchronize}</synchronize>\n"; | |
| 977 | $expout .= " <single>{$question->options->single}</single>\n"; | |
| 978 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; | |
| 979 | $expout .= " <shuffleanswers>".$this->writetext($question->options->shuffleanswers, 3)."</shuffleanswers>\n"; | |
| 980 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; | |
| 981 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; | |
| 982 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; | |
| 725ba2a0 | 983 | foreach ($question->options->answers as $answer) { |
| 984 | $tolerance = $answer->tolerance; | |
| 985 | $tolerancetype = $answer->tolerancetype; | |
| 986 | $correctanswerlength= $answer->correctanswerlength ; | |
| 987 | $correctanswerformat= $answer->correctanswerformat; | |
| 988 | $percent = 100 * $answer->fraction; | |
| 989 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 990 | // "<text/>" tags are an added feature, old files won't have them | |
| 991 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 992 | $expout .= " <tolerance>$tolerance</tolerance>\n"; | |
| 993 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; | |
| 994 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; | |
| a800639b | 995 | $expout .= " <correctanswerlength>$correctanswerlength</correctanswerlength>\n"; |
| 725ba2a0 | 996 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 997 | $expout .= "</answer>\n"; | |
| 998 | } | |
| 04d8268d PP |
999 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; |
| 1000 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; | |
| 1001 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; | |
| 1002 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; | |
| 1003 | $expout .= " <instructions>".$this->writetext($question->options->instructions, 3)."</instructions>\n"; | |
| 725ba2a0 | 1004 | $units = $question->options->units; |
| 1005 | if (count($units)) { | |
| 1006 | $expout .= "<units>\n"; | |
| 1007 | foreach ($units as $unit) { | |
| 1008 | $expout .= " <unit>\n"; | |
| 1009 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1010 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1011 | $expout .= " </unit>\n"; | |
| 1012 | } | |
| 1013 | $expout .= "</units>\n"; | |
| 88bc20c3 | 1014 | } |
| 9c1c6c7f | 1015 | //The tag $question->export_process has been set so we get all the data items in the database |
| 1016 | // from the function $QTYPES['calculated']->get_question_options(&$question); | |
| 1017 | // calculatedsimple defaults to calculated | |
| 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"; | |
| 9c1c6c7f | 1024 | if ( $question->qtype == CALCULATED){ |
| 1025 | $expout .= " <type>calculated</type>\n"; | |
| 1026 | }else { | |
| 1027 | $expout .= " <type>calculatedsimple</type>\n"; | |
| 1028 | } | |
| 725ba2a0 | 1029 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1030 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; | |
| 1031 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; | |
| 88bc20c3 | 1032 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 725ba2a0 | 1033 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1034 | if ($def->itemcount > 0 ) { | |
| 1035 | $expout .= " <dataset_items>\n"; | |
| 1036 | foreach ($def->items as $item ){ | |
| 1037 | $expout .= " <dataset_item>\n"; | |
| 1038 | $expout .= " <number>".$item->itemnumber."</number>\n"; | |
| 1039 | $expout .= " <value>".$item->value."</value>\n"; | |
| 1040 | $expout .= " </dataset_item>\n"; | |
| 88bc20c3 | 1041 | } |
| 725ba2a0 | 1042 | $expout .= " </dataset_items>\n"; |
| 1043 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; | |
| 1044 | } | |
| 1045 | $expout .= "</dataset_definition>\n"; | |
| 88bc20c3 | 1046 | } |
| 1047 | $expout .= "</dataset_definitions>\n"; | |
| 1048 | } | |
| c81415c7 | 1049 | break; |
| 84769fd8 | 1050 | default: |
| a41e3287 | 1051 | // try support by optional plugin |
| 88bc20c3 | 1052 | if (!$data = $this->try_exporting_using_qtypes( $question->qtype, $question )) { |
| fef8f84e | 1053 | echo $OUTPUT->notification( get_string( 'unsupportedexport','qformat_xml',$QTYPES[$question->qtype]->local_name() ) ); |
| a41e3287 | 1054 | } |
| 392238d6 | 1055 | $expout .= $data; |
| 84769fd8 | 1056 | } |
| 1057 | ||
| 1058 | // close the question tag | |
| 1059 | $expout .= "</question>\n"; | |
| 1060 | ||
| 84769fd8 | 1061 | return $expout; |
| 1062 | } | |
| 1063 | } | |
| 1064 | ||
| 1065 | ?> |
