| Commit | Line | Data |
|---|---|---|
| aeb15530 | 1 | <?php |
| 688d8753 TH |
2 | |
| 3 | // This file is part of Moodle - http://moodle.org/ | |
| 4 | // | |
| 5 | // Moodle is free software: you can redistribute it and/or modify | |
| 6 | // it under the terms of the GNU General Public License as published by | |
| 7 | // the Free Software Foundation, either version 3 of the License, or | |
| 8 | // (at your option) any later version. | |
| 84769fd8 | 9 | // |
| 688d8753 TH |
10 | // Moodle is distributed in the hope that it will be useful, |
| 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | // GNU General Public License for more details. | |
| 84769fd8 | 14 | // |
| 688d8753 TH |
15 | // You should have received a copy of the GNU General Public License |
| 16 | // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | |
| 17 | ||
| 18 | /** | |
| 19 | * Moodle XML question importer. | |
| 20 | * | |
| 21 | * @package qformat | |
| 22 | * @subpackage qformat_xml | |
| 23 | * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} | |
| 24 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 25 | */ | |
| 26 | ||
| 27 | ||
| 41a89a07 | 28 | /** |
| 688d8753 TH |
29 | * Importer for Moodle XML question format. |
| 30 | * | |
| 31 | * See http://docs.moodle.org/en/Moodle_XML_format for a description of the format. | |
| 32 | * | |
| 33 | * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com} | |
| 34 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 41a89a07 | 35 | */ |
| 688d8753 | 36 | require_once($CFG->libdir . '/xmlize.php'); |
| 84769fd8 | 37 | |
| f5565b69 | 38 | class qformat_xml extends qformat_default { |
| 84769fd8 | 39 | |
| 40 | function provide_import() { | |
| 41 | return true; | |
| 42 | } | |
| 43 | ||
| 44 | function provide_export() { | |
| 45 | return true; | |
| 46 | } | |
| 47 | ||
| 48 | // IMPORT FUNCTIONS START HERE | |
| 49 | ||
| 88bc20c3 | 50 | /** |
| c81415c7 | 51 | * Translate human readable format name |
| 52 | * into internal Moodle code number | |
| 6e557c08 | 53 | * @param string name format name from xml file |
| 54 | * @return int Moodle format code | |
| c81415c7 | 55 | */ |
| 84769fd8 | 56 | function trans_format( $name ) { |
| 88bc20c3 | 57 | $name = trim($name); |
| 58 | ||
| 84769fd8 | 59 | if ($name=='moodle_auto_format') { |
| 60 | $id = 0; | |
| 61 | } | |
| 62 | elseif ($name=='html') { | |
| 63 | $id = 1; | |
| 64 | } | |
| 65 | elseif ($name=='plain_text') { | |
| 66 | $id = 2; | |
| 67 | } | |
| 68 | elseif ($name=='wiki_like') { | |
| 69 | $id = 3; | |
| 70 | } | |
| 71 | elseif ($name=='markdown') { | |
| 72 | $id = 4; | |
| 73 | } | |
| 74 | else { | |
| 75 | $id = 0; // or maybe warning required | |
| 76 | } | |
| 77 | return $id; | |
| 78 | } | |
| 79 | ||
| 6e557c08 | 80 | /** |
| c81415c7 | 81 | * Translate human readable single answer option |
| 82 | * to internal code number | |
| 6e557c08 | 83 | * @param string name true/false |
| 84 | * @return int internal code number | |
| c81415c7 | 85 | */ |
| 84769fd8 | 86 | function trans_single( $name ) { |
| 2da44816 | 87 | $name = trim($name); |
| 88 | if ($name == "false" || !$name) { | |
| 89 | return 0; | |
| 90 | } else { | |
| 91 | return 1; | |
| 92 | } | |
| 84769fd8 | 93 | } |
| 94 | ||
| 6e557c08 | 95 | /** |
| c81415c7 | 96 | * process text string from xml file |
| 6e557c08 | 97 | * @param array $text bit of xml tree after ['text'] |
| 98 | * @return string processed text | |
| c81415c7 | 99 | */ |
| 84769fd8 | 100 | function import_text( $text ) { |
| 17102269 | 101 | // quick sanity check |
| 102 | if (empty($text)) { | |
| 103 | return ''; | |
| 104 | } | |
| 84769fd8 | 105 | $data = $text[0]['#']; |
| 294ce987 | 106 | return trim($data); |
| 84769fd8 | 107 | } |
| 108 | ||
| 46013523 | 109 | /** |
| 110 | * return the value of a node, given a path to the node | |
| 111 | * if it doesn't exist return the default value | |
| 112 | * @param array xml data to read | |
| 88bc20c3 | 113 | * @param array path path to node expressed as array |
| 114 | * @param mixed default | |
| 46013523 | 115 | * @param bool istext process as text |
| 116 | * @param string error if set value must exist, return false and issue message if not | |
| 117 | * @return mixed value | |
| 118 | */ | |
| 119 | function getpath( $xml, $path, $default, $istext=false, $error='' ) { | |
| 120 | foreach ($path as $index) { | |
| 228b6f6b | 121 | if (!isset($xml[$index])) { |
| 46013523 | 122 | if (!empty($error)) { |
| 123 | $this->error( $error ); | |
| 124 | return false; | |
| 125 | } else { | |
| 126 | return $default; | |
| 127 | } | |
| 128 | } | |
| 129 | else $xml = $xml[$index]; | |
| 130 | } | |
| 131 | if ($istext) { | |
| fc22da99 | 132 | if (!is_string($xml)) { |
| c95defa9 | 133 | $this->error( get_string('invalidxml','qformat_xml') ); |
| fc22da99 | 134 | } |
| 294ce987 | 135 | $xml = trim( $xml ); |
| 46013523 | 136 | } |
| 137 | ||
| 138 | return $xml; | |
| 139 | } | |
| 140 | ||
| 141 | ||
| 6e557c08 | 142 | /** |
| c81415c7 | 143 | * import parts of question common to all types |
| e7ef42f5 | 144 | * @param $question array question question array from xml tree |
| 6e557c08 | 145 | * @return object question object |
| c81415c7 | 146 | */ |
| 84769fd8 | 147 | function import_headers( $question ) { |
| 46013523 | 148 | // get some error strings |
| 149 | $error_noname = get_string( 'xmlimportnoname','quiz' ); | |
| 150 | $error_noquestion = get_string( 'xmlimportnoquestion','quiz' ); | |
| 151 | ||
| 84769fd8 | 152 | // this routine initialises the question object |
| 5bed54e1 | 153 | $qo = $this->defaultquestion(); |
| 84769fd8 | 154 | |
| 46013523 | 155 | // question name |
| 156 | $qo->name = $this->getpath( $question, array('#','name',0,'#','text',0,'#'), '', true, $error_noname ); | |
| 6af98025 | 157 | $qo->questiontext = $this->getpath( $question, array('#','questiontext',0,'#','text',0,'#'), '', true ); |
| 688d8753 TH |
158 | $qo->questiontextformat = $this->trans_format($this->getpath( |
| 159 | $question, array('#','questiontext',0,'@','format'), '')); | |
| e7ef42f5 | 160 | $qo->image = $this->getpath( $question, array('#','image',0,'#'), $qo->image ); |
| 46013523 | 161 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 162 | if (!empty($image_base64)) { | |
| cdfaa838 | 163 | $qo->image = $this->importimagefile( $qo->image, $image_base64); |
| 46013523 | 164 | } |
| 165 | $qo->generalfeedback = $this->getpath( $question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true ); | |
| 166 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); | |
| 167 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); | |
| 84769fd8 | 168 | |
| 169 | return $qo; | |
| 170 | } | |
| 171 | ||
| 6e557c08 | 172 | /** |
| c81415c7 | 173 | * import the common parts of a single answer |
| 6e557c08 | 174 | * @param array answer xml tree for single answer |
| 175 | * @return object answer object | |
| 88bc20c3 | 176 | */ |
| 84769fd8 | 177 | function import_answer( $answer ) { |
| 81a7a02b | 178 | $fraction = $this->getpath( $answer, array('@','fraction'),0 ); |
| 179 | $text = $this->getpath( $answer, array('#','text',0,'#'), '', true ); | |
| 180 | $feedback = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); | |
| 84769fd8 | 181 | |
| 182 | $ans = null; | |
| 183 | $ans->answer = $text; | |
| 184 | $ans->fraction = $fraction / 100; | |
| 185 | $ans->feedback = $feedback; | |
| 84769fd8 | 186 | return $ans; |
| 187 | } | |
| 188 | ||
| 6e557c08 | 189 | /** |
| 88bc20c3 | 190 | * import multiple choice question |
| 6e557c08 | 191 | * @param array question question array from xml tree |
| 192 | * @return object question object | |
| c81415c7 | 193 | */ |
| 84769fd8 | 194 | function import_multichoice( $question ) { |
| 84769fd8 | 195 | // get common parts |
| 196 | $qo = $this->import_headers( $question ); | |
| 197 | ||
| 198 | // 'header' parts particular to multichoice | |
| 199 | $qo->qtype = MULTICHOICE; | |
| 81a7a02b | 200 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 84769fd8 | 201 | $qo->single = $this->trans_single( $single ); |
| 81a7a02b | 202 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); |
| 2377f8dc | 203 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); |
| 2da44816 | 204 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| 81a7a02b | 205 | $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); |
| 206 | $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 207 | $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| c0ffeb39 | 208 | |
| 209 | // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found. | |
| 210 | if (empty($qo->answernumbering)) { | |
| 211 | $qo->answernumbering = 'abc'; | |
| 212 | } | |
| 213 | ||
| 84769fd8 | 214 | // run through the answers |
| 88bc20c3 | 215 | $answers = $question['#']['answer']; |
| 84769fd8 | 216 | $a_count = 0; |
| 217 | foreach ($answers as $answer) { | |
| 218 | $ans = $this->import_answer( $answer ); | |
| 219 | $qo->answer[$a_count] = $ans->answer; | |
| 220 | $qo->fraction[$a_count] = $ans->fraction; | |
| 221 | $qo->feedback[$a_count] = $ans->feedback; | |
| 222 | ++$a_count; | |
| 223 | } | |
| 84769fd8 | 224 | return $qo; |
| 225 | } | |
| 226 | ||
| 6e557c08 | 227 | /** |
| c81415c7 | 228 | * import cloze type question |
| 6e557c08 | 229 | * @param array question question array from xml tree |
| 230 | * @return object question object | |
| c81415c7 | 231 | */ |
| 7b8bc256 | 232 | function import_multianswer( $questions ) { |
| 0c6b4d2e | 233 | $questiontext = $questions['#']['questiontext'][0]['#']['text']; |
| 234 | $qo = qtype_multianswer_extract_question($this->import_text($questiontext)); | |
| 7b8bc256 | 235 | |
| 236 | // 'header' parts particular to multianswer | |
| 237 | $qo->qtype = MULTIANSWER; | |
| 238 | $qo->course = $this->course; | |
| 4ab4dcb2 | 239 | $qo->generalfeedback = $this->getpath( $questions, array('#','generalfeedback',0,'#','text',0,'#'), '', true ); |
| 7b8bc256 | 240 | |
| 71ffbac2 | 241 | if (!empty($questions)) { |
| 7b8bc256 | 242 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 243 | } | |
| 244 | ||
| 245 | return $qo; | |
| 246 | } | |
| 247 | ||
| 6e557c08 | 248 | /** |
| c81415c7 | 249 | * import true/false type question |
| 6e557c08 | 250 | * @param array question question array from xml tree |
| 251 | * @return object question object | |
| c81415c7 | 252 | */ |
| 84769fd8 | 253 | function import_truefalse( $question ) { |
| 84769fd8 | 254 | // get common parts |
| fef8f84e | 255 | global $OUTPUT; |
| 84769fd8 | 256 | $qo = $this->import_headers( $question ); |
| 257 | ||
| 258 | // 'header' parts particular to true/false | |
| 259 | $qo->qtype = TRUEFALSE; | |
| 260 | ||
| 261 | // get answer info | |
| 3246ed33 | 262 | // |
| 263 | // In the past, it used to be assumed that the two answers were in the file | |
| 264 | // true first, then false. Howevever that was not always true. Now, we | |
| 265 | // try to match on the answer text, but in old exports, this will be a localised | |
| 266 | // string, so if we don't find true or false, we fall back to the old system. | |
| 267 | $first = true; | |
| 268 | $warning = false; | |
| 269 | foreach ($question['#']['answer'] as $answer) { | |
| 81a7a02b | 270 | $answertext = $this->getpath( $answer, array('#','text',0,'#'), '', true ); |
| 271 | $feedback = $this->getpath($answer, array('#','feedback',0,'#','text',0,'#'), '', true ); | |
| 3246ed33 | 272 | if ($answertext != 'true' && $answertext != 'false') { |
| 273 | $warning = true; | |
| 274 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. | |
| 88bc20c3 | 275 | } |
| 3246ed33 | 276 | if ($answertext == 'true') { |
| 277 | $qo->answer = ($answer['@']['fraction'] == 100); | |
| 7939a4a0 | 278 | $qo->correctanswer = $qo->answer; |
| 3246ed33 | 279 | $qo->feedbacktrue = $feedback; |
| 280 | } else { | |
| 281 | $qo->answer = ($answer['@']['fraction'] != 100); | |
| 7939a4a0 | 282 | $qo->correctanswer = $qo->answer; |
| 3246ed33 | 283 | $qo->feedbackfalse = $feedback; |
| 284 | } | |
| 285 | $first = false; | |
| 84769fd8 | 286 | } |
| 3246ed33 | 287 | |
| 288 | if ($warning) { | |
| 289 | $a = new stdClass; | |
| 55c54868 | 290 | $a->questiontext = $qo->questiontext; |
| 3246ed33 | 291 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| fef8f84e | 292 | echo $OUTPUT->notification(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 | 293 | } |
| 84769fd8 | 294 | return $qo; |
| 295 | } | |
| 296 | ||
| 6e557c08 | 297 | /** |
| c81415c7 | 298 | * import short answer type question |
| 6e557c08 | 299 | * @param array question question array from xml tree |
| 300 | * @return object question object | |
| c81415c7 | 301 | */ |
| 84769fd8 | 302 | function import_shortanswer( $question ) { |
| 84769fd8 | 303 | // get common parts |
| 304 | $qo = $this->import_headers( $question ); | |
| 305 | ||
| 306 | // header parts particular to shortanswer | |
| 307 | $qo->qtype = SHORTANSWER; | |
| 308 | ||
| 309 | // get usecase | |
| 46013523 | 310 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 | 311 | |
| 312 | // run through the answers | |
| 88bc20c3 | 313 | $answers = $question['#']['answer']; |
| 84769fd8 | 314 | $a_count = 0; |
| 315 | foreach ($answers as $answer) { | |
| 316 | $ans = $this->import_answer( $answer ); | |
| 317 | $qo->answer[$a_count] = $ans->answer; | |
| 318 | $qo->fraction[$a_count] = $ans->fraction; | |
| 319 | $qo->feedback[$a_count] = $ans->feedback; | |
| 320 | ++$a_count; | |
| 321 | } | |
| 322 | ||
| 323 | return $qo; | |
| 324 | } | |
| 88bc20c3 | 325 | |
| 6e557c08 | 326 | /** |
| c81415c7 | 327 | * import description type question |
| 6e557c08 | 328 | * @param array question question array from xml tree |
| 329 | * @return object question object | |
| c81415c7 | 330 | */ |
| 7b8bc256 | 331 | function import_description( $question ) { |
| 332 | // get common parts | |
| 333 | $qo = $this->import_headers( $question ); | |
| 334 | // header parts particular to shortanswer | |
| 335 | $qo->qtype = DESCRIPTION; | |
| 3f5633df | 336 | $qo->defaultgrade = 0; |
| 337 | $qo->length = 0; | |
| 7b8bc256 | 338 | return $qo; |
| 339 | } | |
| 84769fd8 | 340 | |
| 6e557c08 | 341 | /** |
| c81415c7 | 342 | * import numerical type question |
| 6e557c08 | 343 | * @param array question question array from xml tree |
| 344 | * @return object question object | |
| c81415c7 | 345 | */ |
| 346 | function import_numerical( $question ) { | |
| 84769fd8 | 347 | // get common parts |
| 348 | $qo = $this->import_headers( $question ); | |
| 349 | ||
| 350 | // header parts particular to numerical | |
| 351 | $qo->qtype = NUMERICAL; | |
| 352 | ||
| 353 | // get answers array | |
| 354 | $answers = $question['#']['answer']; | |
| 355 | $qo->answer = array(); | |
| 356 | $qo->feedback = array(); | |
| 357 | $qo->fraction = array(); | |
| 358 | $qo->tolerance = array(); | |
| 359 | foreach ($answers as $answer) { | |
| 55c54868 | 360 | // answer outside of <text> is deprecated |
| 81a7a02b | 361 | $answertext = trim( $this->getpath( $answer, array('#',0), '' ) ); |
| 362 | $qo->answer[] = $this->getpath( $answer, array('#','text',0,'#'), $answertext, true ); | |
| 363 | if (empty($qo->answer)) { | |
| 364 | $qo->answer = '*'; | |
| 55c54868 | 365 | } |
| 81a7a02b | 366 | $qo->feedback[] = $this->getpath( $answer, array('#','feedback',0,'#','text',0,'#'), '', true ); |
| 367 | $qo->tolerance[] = $this->getpath( $answer, array('#','tolerance',0,'#'), 0 ); | |
| 55c54868 | 368 | |
| 369 | // fraction as a tag is deprecated | |
| 81a7a02b | 370 | $fraction = $this->getpath( $answer, array('@','fraction'), 0 ) / 100; |
| 371 | $qo->fraction[] = $this->getpath( $answer, array('#','fraction',0,'#'), $fraction ); // deprecated | |
| 84769fd8 | 372 | } |
| 373 | ||
| 374 | // get units array | |
| 84769fd8 | 375 | $qo->unit = array(); |
| 81a7a02b | 376 | $units = $this->getpath( $question, array('#','units',0,'#','unit'), array() ); |
| 377 | if (!empty($units)) { | |
| a0d187bf | 378 | $qo->multiplier = array(); |
| 379 | foreach ($units as $unit) { | |
| 81a7a02b | 380 | $qo->multiplier[] = $this->getpath( $unit, array('#','multiplier',0,'#'), 1 ); |
| 381 | $qo->unit[] = $this->getpath( $unit, array('#','unit_name',0,'#'), '', true ); | |
| a0d187bf | 382 | } |
| 84769fd8 | 383 | } |
| 84769fd8 | 384 | return $qo; |
| 385 | } | |
| 386 | ||
| 6e557c08 | 387 | /** |
| c81415c7 | 388 | * import matching type question |
| 6e557c08 | 389 | * @param array question question array from xml tree |
| 390 | * @return object question object | |
| c81415c7 | 391 | */ |
| 51bcdf28 | 392 | function import_matching( $question ) { |
| 51bcdf28 | 393 | // get common parts |
| 394 | $qo = $this->import_headers( $question ); | |
| 395 | ||
| 396 | // header parts particular to matching | |
| 397 | $qo->qtype = MATCH; | |
| 81a7a02b | 398 | $qo->shuffleanswers = $this->getpath( $question, array( '#','shuffleanswers',0,'#' ), 1 ); |
| 51bcdf28 | 399 | |
| 400 | // get subquestions | |
| 401 | $subquestions = $question['#']['subquestion']; | |
| 402 | $qo->subquestions = array(); | |
| 403 | $qo->subanswers = array(); | |
| 404 | ||
| 405 | // run through subquestions | |
| 406 | foreach ($subquestions as $subquestion) { | |
| 81a7a02b | 407 | $qo->subquestions[] = $this->getpath( $subquestion, array('#','text',0,'#'), '', true ); |
| 408 | $qo->subanswers[] = $this->getpath( $subquestion, array('#','answer',0,'#','text',0,'#'), '', true); | |
| 51bcdf28 | 409 | } |
| 51bcdf28 | 410 | return $qo; |
| 411 | } | |
| 412 | ||
| 6e557c08 | 413 | /** |
| c81415c7 | 414 | * import essay type question |
| 6e557c08 | 415 | * @param array question question array from xml tree |
| 416 | * @return object question object | |
| c81415c7 | 417 | */ |
| 418 | function import_essay( $question ) { | |
| 419 | // get common parts | |
| 420 | $qo = $this->import_headers( $question ); | |
| 421 | ||
| 422 | // header parts particular to essay | |
| 423 | $qo->qtype = ESSAY; | |
| 424 | ||
| 425 | // get feedback | |
| 88bc20c3 | 426 | $qo->feedback = $this->getpath( $question, array('#','answer',0,'#','feedback',0,'#','text',0,'#'), '', true ); |
| 55c54868 | 427 | |
| 428 | // get fraction - <fraction> tag is deprecated | |
| 6af98025 | 429 | $qo->fraction = $this->getpath( $question, array('@','fraction'), 0 ) / 100; |
| 430 | $q0->fraction = $this->getpath( $question, array('#','fraction',0,'#'), $qo->fraction ); | |
| c81415c7 | 431 | |
| 432 | return $qo; | |
| 433 | } | |
| 84769fd8 | 434 | |
| 725ba2a0 | 435 | function import_calculated( $question ) { |
| 04d8268d | 436 | // import calculated question |
| 725ba2a0 | 437 | |
| 438 | // get common parts | |
| 439 | $qo = $this->import_headers( $question ); | |
| 440 | ||
| 04d8268d | 441 | // header parts particular to calculated |
| 725ba2a0 | 442 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 505f7342 | 443 | $qo->synchronize = $this->getpath( $question, array( '#','synchronize',0,'#' ), 0 ); |
| 04d8268d PP |
444 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 445 | $qo->single = $this->trans_single( $single ); | |
| 446 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); | |
| 447 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); | |
| 448 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); | |
| 449 | $qo->correctfeedback = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); | |
| 450 | $qo->partiallycorrectfeedback = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 451 | $qo->incorrectfeedback = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 452 | $qo->unitgradingtype = $this->getpath( $question, array('#','unitgradingtype',0,'#'), 0 ); | |
| 453 | $qo->unitpenalty = $this->getpath( $question, array('#','unitpenalty',0,'#'), 0 ); | |
| 454 | $qo->showunits = $this->getpath( $question, array('#','showunits',0,'#'), 0 ); | |
| 455 | $qo->unitsleft = $this->getpath( $question, array('#','unitsleft',0,'#'), 0 ); | |
| 456 | $qo->instructions = $this->getpath( $question, array('#','instructions',0,'#','text',0,'#'), '', true ); | |
| 725ba2a0 | 457 | // get answers array |
| 458 | // echo "<pre> question";print_r($question);echo "</pre>"; | |
| 459 | $answers = $question['#']['answer']; | |
| 460 | $qo->answers = array(); | |
| 461 | $qo->feedback = array(); | |
| 462 | $qo->fraction = array(); | |
| 463 | $qo->tolerance = array(); | |
| 464 | $qo->tolerancetype = array(); | |
| 465 | $qo->correctanswerformat = array(); | |
| 466 | $qo->correctanswerlength = array(); | |
| 467 | $qo->feedback = array(); | |
| 468 | foreach ($answers as $answer) { | |
| 469 | // answer outside of <text> is deprecated | |
| 470 | if (!empty( $answer['#']['text'] )) { | |
| 471 | $answertext = $this->import_text( $answer['#']['text'] ); | |
| 472 | } | |
| 473 | else { | |
| 474 | $answertext = trim($answer['#'][0]); | |
| 475 | } | |
| 476 | if ($answertext == '') { | |
| 477 | $qo->answers[] = '*'; | |
| 478 | } else { | |
| 479 | $qo->answers[] = $answertext; | |
| 480 | } | |
| 481 | $qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] ); | |
| 482 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; | |
| 483 | // fraction as a tag is deprecated | |
| 484 | if (!empty($answer['#']['fraction'][0]['#'])) { | |
| 485 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; | |
| 486 | } | |
| 487 | else { | |
| 488 | $qo->fraction[] = $answer['@']['fraction'] / 100; | |
| 489 | } | |
| 490 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; | |
| 491 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; | |
| 492 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; | |
| 493 | } | |
| 494 | // get units array | |
| 495 | $qo->unit = array(); | |
| 496 | if (isset($question['#']['units'][0]['#']['unit'])) { | |
| 497 | $units = $question['#']['units'][0]['#']['unit']; | |
| 498 | $qo->multiplier = array(); | |
| 499 | foreach ($units as $unit) { | |
| 500 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; | |
| 501 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; | |
| 502 | } | |
| 503 | } | |
| 504 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; | |
| 505 | $qo->dataset = array(); | |
| 506 | $qo->datasetindex= 0 ; | |
| 507 | foreach ($datasets as $dataset) { | |
| 508 | $qo->datasetindex++; | |
| 509 | $qo->dataset[$qo->datasetindex] = new stdClass(); | |
| 510 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); | |
| 511 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); | |
| 512 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; | |
| 513 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 514 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); | |
| 515 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); | |
| 516 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); | |
| 517 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 518 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; | |
| 519 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); | |
| 520 | $qo->dataset[$qo->datasetindex]->itemindex = 0; | |
| 521 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; | |
| 522 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; | |
| 523 | foreach ($datasetitems as $datasetitem) { | |
| 524 | $qo->dataset[$qo->datasetindex]->itemindex++; | |
| 525 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); | |
| 526 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; | |
| 527 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; | |
| 88bc20c3 | 528 | } |
| 725ba2a0 | 529 | } |
| 88bc20c3 | 530 | |
| 5fd8f999 | 531 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 | 532 | |
| 533 | return $qo; | |
| 534 | } | |
| 535 | ||
| ee259d0c | 536 | /** |
| 537 | * this is not a real question type. It's a dummy type used | |
| 538 | * to specify the import category | |
| 539 | * format is: | |
| 540 | * <question type="category"> | |
| 541 | * <category>tom/dick/harry</category> | |
| 542 | * </question> | |
| 543 | */ | |
| 544 | function import_category( $question ) { | |
| 0c6b4d2e | 545 | $qo = new stdClass; |
| ee259d0c | 546 | $qo->qtype = 'category'; |
| 86b68520 | 547 | $qo->category = $this->import_text($question['#']['category'][0]['#']['text']); |
| ee259d0c | 548 | return $qo; |
| 549 | } | |
| 550 | ||
| c81415c7 | 551 | /** |
| 552 | * parse the array of lines into an array of questions | |
| 553 | * this *could* burn memory - but it won't happen that much | |
| 554 | * so fingers crossed! | |
| 6e557c08 | 555 | * @param array lines array of lines from the input file |
| 556 | * @return array (of objects) question objects | |
| c81415c7 | 557 | */ |
| 558 | function readquestions($lines) { | |
| 84769fd8 | 559 | // we just need it as one big string |
| 560 | $text = implode($lines, " "); | |
| 561 | unset( $lines ); | |
| 562 | ||
| 563 | // this converts xml to big nasty data structure | |
| 564 | // the 0 means keep white space as it is (important for markdown format) | |
| 565 | // print_r it if you want to see what it looks like! | |
| 88bc20c3 | 566 | $xml = xmlize( $text, 0 ); |
| 84769fd8 | 567 | |
| 568 | // set up array to hold all our questions | |
| 569 | $questions = array(); | |
| 570 | ||
| 571 | // iterate through questions | |
| 572 | foreach ($xml['quiz']['#']['question'] as $question) { | |
| 573 | $question_type = $question['@']['type']; | |
| 574 | $questiontype = get_string( 'questiontype','quiz',$question_type ); | |
| 84769fd8 | 575 | |
| 576 | if ($question_type=='multichoice') { | |
| 577 | $qo = $this->import_multichoice( $question ); | |
| 88bc20c3 | 578 | } |
| 84769fd8 | 579 | elseif ($question_type=='truefalse') { |
| 580 | $qo = $this->import_truefalse( $question ); | |
| 581 | } | |
| 582 | elseif ($question_type=='shortanswer') { | |
| 583 | $qo = $this->import_shortanswer( $question ); | |
| 584 | } | |
| 585 | elseif ($question_type=='numerical') { | |
| 586 | $qo = $this->import_numerical( $question ); | |
| 587 | } | |
| 7b8bc256 | 588 | elseif ($question_type=='description') { |
| 589 | $qo = $this->import_description( $question ); | |
| 590 | } | |
| 51bcdf28 | 591 | elseif ($question_type=='matching') { |
| 592 | $qo = $this->import_matching( $question ); | |
| 593 | } | |
| 7b8bc256 | 594 | elseif ($question_type=='cloze') { |
| c81415c7 | 595 | $qo = $this->import_multianswer( $question ); |
| 596 | } | |
| 597 | elseif ($question_type=='essay') { | |
| 598 | $qo = $this->import_essay( $question ); | |
| 7b8bc256 | 599 | } |
| 725ba2a0 | 600 | elseif ($question_type=='calculated') { |
| 601 | $qo = $this->import_calculated( $question ); | |
| 602 | } | |
| 9c1c6c7f | 603 | elseif ($question_type=='calculatedsimple') { |
| 604 | $qo = $this->import_calculated( $question ); | |
| 605 | $qo->qtype = CALCULATEDSIMPLE ; | |
| 606 | } | |
| 04d8268d PP |
607 | elseif ($question_type=='calculatedmulti') { |
| 608 | $qo = $this->import_calculated( $question ); | |
| 609 | $qo->qtype = CALCULATEDMULTI ; | |
| 610 | } | |
| ee259d0c | 611 | elseif ($question_type=='category') { |
| 612 | $qo = $this->import_category( $question ); | |
| 613 | } | |
| 84769fd8 | 614 | else { |
| a41e3287 | 615 | // try for plugin support |
| 88bc20c3 | 616 | // no default question, as the plugin can call |
| a41e3287 | 617 | // import_headers() itself if it wants to |
| 88bc20c3 | 618 | if (!$qo = $this->try_importing_using_qtypes( $question, null, null, $question_type)) { |
| a41e3287 | 619 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 620 | $this->error( $notsupported ); | |
| 621 | $qo = null; | |
| 622 | } | |
| 84769fd8 | 623 | } |
| 624 | ||
| 625 | // stick the result in the $questions array | |
| 626 | if ($qo) { | |
| 627 | $questions[] = $qo; | |
| 628 | } | |
| 629 | } | |
| 84769fd8 | 630 | return $questions; |
| 631 | } | |
| 632 | ||
| 633 | // EXPORT FUNCTIONS START HERE | |
| 634 | ||
| 84769fd8 | 635 | function export_file_extension() { |
| 636 | // override default type so extension is .xml | |
| 88bc20c3 | 637 | |
| 84769fd8 | 638 | return ".xml"; |
| 639 | } | |
| 640 | ||
| c81415c7 | 641 | |
| 642 | /** | |
| 643 | * Turn the internal question code into a human readable form | |
| 644 | * (The code used to be numeric, but this remains as some of | |
| 645 | * the names don't match the new internal format) | |
| 6e557c08 | 646 | * @param mixed type_id Internal code |
| 647 | * @return string question type string | |
| c81415c7 | 648 | */ |
| 84769fd8 | 649 | function get_qtype( $type_id ) { |
| 84769fd8 | 650 | switch( $type_id ) { |
| 651 | case TRUEFALSE: | |
| 652 | $name = 'truefalse'; | |
| 653 | break; | |
| 654 | case MULTICHOICE: | |
| 655 | $name = 'multichoice'; | |
| 656 | break; | |
| 657 | case SHORTANSWER: | |
| 658 | $name = 'shortanswer'; | |
| 659 | break; | |
| 660 | case NUMERICAL: | |
| 661 | $name = 'numerical'; | |
| 662 | break; | |
| 663 | case MATCH: | |
| 664 | $name = 'matching'; | |
| 665 | break; | |
| 666 | case DESCRIPTION: | |
| 667 | $name = 'description'; | |
| 668 | break; | |
| 669 | case MULTIANSWER: | |
| 670 | $name = 'cloze'; | |
| 671 | break; | |
| c81415c7 | 672 | case ESSAY: |
| 673 | $name = 'essay'; | |
| 674 | break; | |
| 725ba2a0 | 675 | case CALCULATED: |
| 676 | $name = 'calculated'; | |
| 677 | break; | |
| 9c1c6c7f | 678 | case CALCULATEDSIMPLE: |
| 679 | $name = 'calculatedsimple'; | |
| 680 | break; | |
| 04d8268d PP |
681 | case CALCULATEDMULTI: |
| 682 | $name = 'calculatedmulti'; | |
| 683 | break; | |
| 84769fd8 | 684 | default: |
| a41e3287 | 685 | $name = false; |
| 84769fd8 | 686 | } |
| 687 | return $name; | |
| 688 | } | |
| 689 | ||
| 6e557c08 | 690 | /** |
| c81415c7 | 691 | * Convert internal Moodle text format code into |
| 692 | * human readable form | |
| 6e557c08 | 693 | * @param int id internal code |
| 694 | * @return string format text | |
| c81415c7 | 695 | */ |
| 84769fd8 | 696 | function get_format( $id ) { |
| 84769fd8 | 697 | switch( $id ) { |
| 698 | case 0: | |
| 699 | $name = "moodle_auto_format"; | |
| 700 | break; | |
| 701 | case 1: | |
| 702 | $name = "html"; | |
| 703 | break; | |
| 704 | case 2: | |
| 705 | $name = "plain_text"; | |
| 706 | break; | |
| 707 | case 3: | |
| 708 | $name = "wiki_like"; | |
| 709 | break; | |
| 710 | case 4: | |
| 711 | $name = "markdown"; | |
| 712 | break; | |
| 713 | default: | |
| 714 | $name = "unknown"; | |
| 715 | } | |
| 716 | return $name; | |
| 717 | } | |
| 718 | ||
| 6e557c08 | 719 | /** |
| 88bc20c3 | 720 | * Convert internal single question code into |
| c81415c7 | 721 | * human readable form |
| 6e557c08 | 722 | * @param int id single question code |
| 723 | * @return string single question string | |
| c81415c7 | 724 | */ |
| 84769fd8 | 725 | function get_single( $id ) { |
| 84769fd8 | 726 | switch( $id ) { |
| 727 | case 0: | |
| 728 | $name = "false"; | |
| 729 | break; | |
| 730 | case 1: | |
| 731 | $name = "true"; | |
| 732 | break; | |
| 733 | default: | |
| 734 | $name = "unknown"; | |
| 735 | } | |
| 736 | return $name; | |
| 737 | } | |
| 738 | ||
| 6e557c08 | 739 | /** |
| 88bc20c3 | 740 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 | 741 | * @param int ilev the current indent level |
| 742 | * @param boolean short stick it on one line | |
| 743 | * @return string formatted text | |
| c81415c7 | 744 | */ |
| 84769fd8 | 745 | function writetext( $raw, $ilev=0, $short=true) { |
| 84769fd8 | 746 | $indent = str_repeat( " ",$ilev ); |
| 747 | ||
| 3695cfa9 | 748 | // if required add CDATA tags |
| 749 | if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) { | |
| 750 | $raw = "<![CDATA[$raw]]>"; | |
| 751 | } | |
| 84769fd8 | 752 | |
| 753 | if ($short) { | |
| 754 | $xml = "$indent<text>$raw</text>\n"; | |
| 755 | } | |
| 756 | else { | |
| 757 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; | |
| 758 | } | |
| 759 | ||
| 760 | return $xml; | |
| 761 | } | |
| 88bc20c3 | 762 | |
| 81a7a02b | 763 | function xmltidy( $content ) { |
| 764 | // can only do this if tidy is installed | |
| 765 | if (extension_loaded('tidy')) { | |
| 766 | $config = array( 'input-xml'=>true, 'output-xml'=>true, 'indent'=>true, 'wrap'=>0 ); | |
| 767 | $tidy = new tidy; | |
| 768 | $tidy->parseString($content, $config, 'utf8'); | |
| 88bc20c3 | 769 | $tidy->cleanRepair(); |
| 81a7a02b | 770 | return $tidy->value; |
| 771 | } | |
| 772 | else { | |
| 773 | return $content; | |
| 774 | } | |
| 775 | } | |
| 776 | ||
| 84769fd8 | 777 | |
| 778 | function presave_process( $content ) { | |
| 779 | // override method to allow us to add xml headers and footers | |
| 780 | ||
| 81a7a02b | 781 | // add the xml headers and footers |
| 46013523 | 782 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 | 783 | "<quiz>\n" . |
| 784 | $content . "\n" . | |
| 785 | "</quiz>"; | |
| 786 | ||
| 81a7a02b | 787 | // make the xml look nice |
| 788 | $content = $this->xmltidy( $content ); | |
| 789 | ||
| 84769fd8 | 790 | return $content; |
| 791 | } | |
| 792 | ||
| 6e557c08 | 793 | /** |
| c81415c7 | 794 | * Include an image encoded in base 64 |
| 6e557c08 | 795 | * @param string imagepath The location of the image file |
| 88bc20c3 | 796 | * @return string xml code segment |
| c81415c7 | 797 | */ |
| d08e16b2 | 798 | function writeimage( $imagepath ) { |
| d08e16b2 | 799 | global $CFG; |
| 88bc20c3 | 800 | |
| d08e16b2 | 801 | if (empty($imagepath)) { |
| 802 | return ''; | |
| 803 | } | |
| 804 | ||
| 805 | $courseid = $this->course->id; | |
| 806 | if (!$binary = file_get_contents( "{$CFG->dataroot}/$courseid/$imagepath" )) { | |
| 807 | return ''; | |
| 808 | } | |
| 809 | ||
| 294ce987 | 810 | $content = " <image_base64>\n".base64_encode( $binary )."\n". |
| d08e16b2 | 811 | "\n </image_base64>\n"; |
| 812 | return $content; | |
| 813 | } | |
| 814 | ||
| 6e557c08 | 815 | /** |
| c81415c7 | 816 | * Turns question into an xml segment |
| 6e557c08 | 817 | * @param array question question array |
| 818 | * @return string xml segment | |
| c81415c7 | 819 | */ |
| 84769fd8 | 820 | function writequestion( $question ) { |
| fef8f84e | 821 | global $CFG,$QTYPES, $OUTPUT; |
| 84769fd8 | 822 | // initial string; |
| 823 | $expout = ""; | |
| 824 | ||
| 825 | // add comment | |
| 826 | $expout .= "\n\n<!-- question: $question->id -->\n"; | |
| 827 | ||
| a41e3287 | 828 | // check question type |
| 829 | if (!$question_type = $this->get_qtype( $question->qtype )) { | |
| 830 | // must be a plugin then, so just accept the name supplied | |
| 831 | $question_type = $question->qtype; | |
| 46013523 | 832 | } |
| 833 | ||
| 84769fd8 | 834 | // add opening tag |
| f1abd39f | 835 | // generates specific header for Cloze and category type question |
| 836 | if ($question->qtype == 'category') { | |
| 6f8481ec | 837 | $categorypath = $this->writetext( $question->category ); |
| f1abd39f | 838 | $expout .= " <question type=\"category\">\n"; |
| 839 | $expout .= " <category>\n"; | |
| 6f8481ec | 840 | $expout .= " $categorypath\n"; |
| f1abd39f | 841 | $expout .= " </category>\n"; |
| 842 | $expout .= " </question>\n"; | |
| 843 | return $expout; | |
| 88bc20c3 | 844 | } |
| f1abd39f | 845 | elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 | 846 | // for all question types except Close |
| 7b8bc256 | 847 | $name_text = $this->writetext( $question->name ); |
| 848 | $qtformat = $this->get_format($question->questiontextformat); | |
| 849 | $question_text = $this->writetext( $question->questiontext ); | |
| a4514d91 | 850 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 88bc20c3 | 851 | $expout .= " <question type=\"$question_type\">\n"; |
| 7b8bc256 | 852 | $expout .= " <name>$name_text</name>\n"; |
| 853 | $expout .= " <questiontext format=\"$qtformat\">\n"; | |
| 854 | $expout .= $question_text; | |
| 88bc20c3 | 855 | $expout .= " </questiontext>\n"; |
| 7b8bc256 | 856 | $expout .= " <image>{$question->image}</image>\n"; |
| 857 | $expout .= $this->writeimage($question->image); | |
| a4514d91 | 858 | $expout .= " <generalfeedback>\n"; |
| 859 | $expout .= $generalfeedback; | |
| 860 | $expout .= " </generalfeedback>\n"; | |
| c81415c7 | 861 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 | 862 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 863 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; | |
| 864 | } | |
| 865 | else { | |
| 866 | // for Cloze type only | |
| 7b8bc256 | 867 | $name_text = $this->writetext( $question->name ); |
| 868 | $question_text = $this->writetext( $question->questiontext ); | |
| 4ab4dcb2 | 869 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 | 870 | $expout .= " <question type=\"$question_type\">\n"; |
| 871 | $expout .= " <name>$name_text</name>\n"; | |
| 872 | $expout .= " <questiontext>\n"; | |
| 873 | $expout .= $question_text; | |
| 874 | $expout .= " </questiontext>\n"; | |
| 4ab4dcb2 | 875 | $expout .= " <generalfeedback>\n"; |
| 876 | $expout .= $generalfeedback; | |
| 877 | $expout .= " </generalfeedback>\n"; | |
| 7b8bc256 | 878 | } |
| 879 | ||
| d08e16b2 | 880 | if (!empty($question->options->shuffleanswers)) { |
| 881 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; | |
| 882 | } | |
| 883 | else { | |
| 884 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; | |
| 885 | } | |
| 84769fd8 | 886 | |
| 887 | // output depends on question type | |
| 888 | switch($question->qtype) { | |
| f1abd39f | 889 | case 'category': |
| 890 | // not a qtype really - dummy used for category switching | |
| 88bc20c3 | 891 | break; |
| 84769fd8 | 892 | case TRUEFALSE: |
| 36e2232e | 893 | foreach ($question->options->answers as $answer) { |
| 894 | $fraction_pc = round( $answer->fraction * 100 ); | |
| 3246ed33 | 895 | if ($answer->id == $question->options->trueanswer) { |
| 896 | $answertext = 'true'; | |
| 897 | } else { | |
| 898 | $answertext = 'false'; | |
| 88bc20c3 | 899 | } |
| 36e2232e | 900 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 | 901 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| 36e2232e | 902 | $expout .= " <feedback>\n"; |
| 903 | $expout .= $this->writetext( $answer->feedback,4,false ); | |
| 904 | $expout .= " </feedback>\n"; | |
| 905 | $expout .= " </answer>\n"; | |
| 906 | } | |
| 84769fd8 | 907 | break; |
| 908 | case MULTICHOICE: | |
| 909 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; | |
| 307f045f | 910 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| 911 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; | |
| 912 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; | |
| 913 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; | |
| 04d8268d | 914 | $expout .= " <answernumbering>".$this->writetext($question->options->answernumbering, 3)."</answernumbering>\n"; |
| 84769fd8 | 915 | foreach($question->options->answers as $answer) { |
| 916 | $percent = $answer->fraction * 100; | |
| 917 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 918 | $expout .= $this->writetext( $answer->answer,4,false ); | |
| 919 | $expout .= " <feedback>\n"; | |
| 6e557c08 | 920 | $expout .= $this->writetext( $answer->feedback,5,false ); |
| 84769fd8 | 921 | $expout .= " </feedback>\n"; |
| 922 | $expout .= " </answer>\n"; | |
| 923 | } | |
| 924 | break; | |
| 925 | case SHORTANSWER: | |
| 926 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; | |
| 927 | foreach($question->options->answers as $answer) { | |
| 928 | $percent = 100 * $answer->fraction; | |
| 929 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 930 | $expout .= $this->writetext( $answer->answer,3,false ); | |
| 931 | $expout .= " <feedback>\n"; | |
| 932 | $expout .= $this->writetext( $answer->feedback,4,false ); | |
| 933 | $expout .= " </feedback>\n"; | |
| 934 | $expout .= " </answer>\n"; | |
| 935 | } | |
| 936 | break; | |
| 937 | case NUMERICAL: | |
| 938 | foreach ($question->options->answers as $answer) { | |
| 939 | $tolerance = $answer->tolerance; | |
| 55c54868 | 940 | $percent = 100 * $answer->fraction; |
| 941 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 942 | // <text> tags are an added feature, old filed won't have them | |
| 943 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 84769fd8 | 944 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| 945 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; | |
| 55c54868 | 946 | // fraction tag is deprecated |
| 947 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 84769fd8 | 948 | $expout .= "</answer>\n"; |
| 949 | } | |
| 950 | ||
| 951 | $units = $question->options->units; | |
| 952 | if (count($units)) { | |
| 953 | $expout .= "<units>\n"; | |
| 954 | foreach ($units as $unit) { | |
| 955 | $expout .= " <unit>\n"; | |
| 956 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 957 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 958 | $expout .= " </unit>\n"; | |
| 959 | } | |
| 960 | $expout .= "</units>\n"; | |
| 961 | } | |
| 962 | break; | |
| 963 | case MATCH: | |
| 964 | foreach($question->options->subquestions as $subquestion) { | |
| 965 | $expout .= "<subquestion>\n"; | |
| 966 | $expout .= $this->writetext( $subquestion->questiontext ); | |
| 967 | $expout .= "<answer>".$this->writetext( $subquestion->answertext )."</answer>\n"; | |
| 968 | $expout .= "</subquestion>\n"; | |
| 969 | } | |
| 970 | break; | |
| 971 | case DESCRIPTION: | |
| c81415c7 | 972 | // nothing more to do for this type |
| 84769fd8 | 973 | break; |
| 974 | case MULTIANSWER: | |
| 7b8bc256 | 975 | $a_count=1; |
| 976 | foreach($question->options->questions as $question) { | |
| 9cc41dfd | 977 | $thispattern = preg_quote("{#".$a_count."}"); //TODO: is this really necessary? |
| 7b8bc256 | 978 | $thisreplace = $question->questiontext; |
| 6dbcacee | 979 | $expout=preg_replace("~$thispattern~", $thisreplace, $expout ); |
| 7b8bc256 | 980 | $a_count++; |
| 981 | } | |
| 982 | break; | |
| c81415c7 | 983 | case ESSAY: |
| 33ed59a2 | 984 | if (!empty($question->options->answers)) { |
| 985 | foreach ($question->options->answers as $answer) { | |
| 986 | $percent = 100 * $answer->fraction; | |
| 987 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 988 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; | |
| 989 | // fraction tag is deprecated | |
| 990 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 991 | $expout .= "</answer>\n"; | |
| 992 | } | |
| c81415c7 | 993 | } |
| 725ba2a0 | 994 | break; |
| 995 | case CALCULATED: | |
| 9c1c6c7f | 996 | case CALCULATEDSIMPLE: |
| 04d8268d PP |
997 | case CALCULATEDMULTI: |
| 998 | $expout .= " <synchronize>{$question->options->synchronize}</synchronize>\n"; | |
| 999 | $expout .= " <single>{$question->options->single}</single>\n"; | |
| 1000 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; | |
| 1001 | $expout .= " <shuffleanswers>".$this->writetext($question->options->shuffleanswers, 3)."</shuffleanswers>\n"; | |
| 1002 | $expout .= " <correctfeedback>".$this->writetext($question->options->correctfeedback, 3)."</correctfeedback>\n"; | |
| 1003 | $expout .= " <partiallycorrectfeedback>".$this->writetext($question->options->partiallycorrectfeedback, 3)."</partiallycorrectfeedback>\n"; | |
| 1004 | $expout .= " <incorrectfeedback>".$this->writetext($question->options->incorrectfeedback, 3)."</incorrectfeedback>\n"; | |
| 725ba2a0 | 1005 | foreach ($question->options->answers as $answer) { |
| 1006 | $tolerance = $answer->tolerance; | |
| 1007 | $tolerancetype = $answer->tolerancetype; | |
| 1008 | $correctanswerlength= $answer->correctanswerlength ; | |
| 1009 | $correctanswerformat= $answer->correctanswerformat; | |
| 1010 | $percent = 100 * $answer->fraction; | |
| 1011 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 1012 | // "<text/>" tags are an added feature, old files won't have them | |
| 1013 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 1014 | $expout .= " <tolerance>$tolerance</tolerance>\n"; | |
| 1015 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; | |
| 1016 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; | |
| a800639b | 1017 | $expout .= " <correctanswerlength>$correctanswerlength</correctanswerlength>\n"; |
| 725ba2a0 | 1018 | $expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n"; |
| 1019 | $expout .= "</answer>\n"; | |
| 1020 | } | |
| 04d8268d PP |
1021 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; |
| 1022 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; | |
| 1023 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; | |
| 1024 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; | |
| 1025 | $expout .= " <instructions>".$this->writetext($question->options->instructions, 3)."</instructions>\n"; | |
| 725ba2a0 | 1026 | $units = $question->options->units; |
| 1027 | if (count($units)) { | |
| 1028 | $expout .= "<units>\n"; | |
| 1029 | foreach ($units as $unit) { | |
| 1030 | $expout .= " <unit>\n"; | |
| 1031 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1032 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1033 | $expout .= " </unit>\n"; | |
| 1034 | } | |
| 1035 | $expout .= "</units>\n"; | |
| 88bc20c3 | 1036 | } |
| 9c1c6c7f | 1037 | //The tag $question->export_process has been set so we get all the data items in the database |
| 1038 | // from the function $QTYPES['calculated']->get_question_options(&$question); | |
| 1039 | // calculatedsimple defaults to calculated | |
| c9e4ba36 | 1040 | if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be |
| 725ba2a0 | 1041 | $expout .= "<dataset_definitions>\n"; |
| c9e4ba36 | 1042 | foreach ($question->options->datasets as $def) { |
| 725ba2a0 | 1043 | $expout .= "<dataset_definition>\n"; |
| 1044 | $expout .= " <status>".$this->writetext($def->status)."</status>\n"; | |
| 1045 | $expout .= " <name>".$this->writetext($def->name)."</name>\n"; | |
| 9c1c6c7f | 1046 | if ( $question->qtype == CALCULATED){ |
| 1047 | $expout .= " <type>calculated</type>\n"; | |
| 1048 | }else { | |
| 1049 | $expout .= " <type>calculatedsimple</type>\n"; | |
| 1050 | } | |
| 725ba2a0 | 1051 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1052 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; | |
| 1053 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; | |
| 88bc20c3 | 1054 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 725ba2a0 | 1055 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1056 | if ($def->itemcount > 0 ) { | |
| 1057 | $expout .= " <dataset_items>\n"; | |
| 1058 | foreach ($def->items as $item ){ | |
| 1059 | $expout .= " <dataset_item>\n"; | |
| 1060 | $expout .= " <number>".$item->itemnumber."</number>\n"; | |
| 1061 | $expout .= " <value>".$item->value."</value>\n"; | |
| 1062 | $expout .= " </dataset_item>\n"; | |
| 88bc20c3 | 1063 | } |
| 725ba2a0 | 1064 | $expout .= " </dataset_items>\n"; |
| 1065 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; | |
| 1066 | } | |
| 1067 | $expout .= "</dataset_definition>\n"; | |
| 88bc20c3 | 1068 | } |
| 1069 | $expout .= "</dataset_definitions>\n"; | |
| 1070 | } | |
| c81415c7 | 1071 | break; |
| 84769fd8 | 1072 | default: |
| a41e3287 | 1073 | // try support by optional plugin |
| 88bc20c3 | 1074 | if (!$data = $this->try_exporting_using_qtypes( $question->qtype, $question )) { |
| fef8f84e | 1075 | echo $OUTPUT->notification( get_string( 'unsupportedexport','qformat_xml',$QTYPES[$question->qtype]->local_name() ) ); |
| a41e3287 | 1076 | } |
| 392238d6 | 1077 | $expout .= $data; |
| 84769fd8 | 1078 | } |
| 1079 | ||
| 1080 | // close the question tag | |
| 1081 | $expout .= "</question>\n"; | |
| 1082 | ||
| 84769fd8 | 1083 | return $expout; |
| 1084 | } | |
| 1085 | } | |
| 1086 | ||
| 1087 | ?> |
