| 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 | ||
| 46732124 TH |
48 | function mime_type() { |
| 49 | return 'application/xml'; | |
| 50 | } | |
| 51 | ||
| 84769fd8 | 52 | // IMPORT FUNCTIONS START HERE |
| 53 | ||
| 88bc20c3 | 54 | /** |
| c81415c7 | 55 | * Translate human readable format name |
| 56 | * into internal Moodle code number | |
| 6e557c08 | 57 | * @param string name format name from xml file |
| 58 | * @return int Moodle format code | |
| c81415c7 | 59 | */ |
| 84769fd8 | 60 | function trans_format( $name ) { |
| 88bc20c3 | 61 | $name = trim($name); |
| 62 | ||
| 84769fd8 | 63 | if ($name=='moodle_auto_format') { |
| 64 | $id = 0; | |
| 65 | } | |
| 66 | elseif ($name=='html') { | |
| 67 | $id = 1; | |
| 68 | } | |
| 69 | elseif ($name=='plain_text') { | |
| 70 | $id = 2; | |
| 71 | } | |
| 72 | elseif ($name=='wiki_like') { | |
| 73 | $id = 3; | |
| 74 | } | |
| 75 | elseif ($name=='markdown') { | |
| 76 | $id = 4; | |
| 77 | } | |
| 78 | else { | |
| 79 | $id = 0; // or maybe warning required | |
| 80 | } | |
| 81 | return $id; | |
| 82 | } | |
| 83 | ||
| 6e557c08 | 84 | /** |
| c81415c7 | 85 | * Translate human readable single answer option |
| 86 | * to internal code number | |
| 6e557c08 | 87 | * @param string name true/false |
| 88 | * @return int internal code number | |
| c81415c7 | 89 | */ |
| 84769fd8 | 90 | function trans_single( $name ) { |
| 2da44816 | 91 | $name = trim($name); |
| 92 | if ($name == "false" || !$name) { | |
| 93 | return 0; | |
| 94 | } else { | |
| 95 | return 1; | |
| 96 | } | |
| 84769fd8 | 97 | } |
| 98 | ||
| 6e557c08 | 99 | /** |
| c81415c7 | 100 | * process text string from xml file |
| 6e557c08 | 101 | * @param array $text bit of xml tree after ['text'] |
| 102 | * @return string processed text | |
| c81415c7 | 103 | */ |
| 84769fd8 | 104 | function import_text( $text ) { |
| 17102269 | 105 | // quick sanity check |
| 106 | if (empty($text)) { | |
| 107 | return ''; | |
| 108 | } | |
| 84769fd8 | 109 | $data = $text[0]['#']; |
| 294ce987 | 110 | return trim($data); |
| 84769fd8 | 111 | } |
| 112 | ||
| 46013523 | 113 | /** |
| 114 | * return the value of a node, given a path to the node | |
| 115 | * if it doesn't exist return the default value | |
| 116 | * @param array xml data to read | |
| 88bc20c3 | 117 | * @param array path path to node expressed as array |
| 118 | * @param mixed default | |
| 46013523 | 119 | * @param bool istext process as text |
| 120 | * @param string error if set value must exist, return false and issue message if not | |
| 121 | * @return mixed value | |
| 122 | */ | |
| cde2709a | 123 | function getpath($xml, $path, $default, $istext=false, $error='') { |
| 46013523 | 124 | foreach ($path as $index) { |
| 228b6f6b | 125 | if (!isset($xml[$index])) { |
| 46013523 | 126 | if (!empty($error)) { |
| 127 | $this->error( $error ); | |
| 128 | return false; | |
| 129 | } else { | |
| 130 | return $default; | |
| 131 | } | |
| 132 | } | |
| 133 | else $xml = $xml[$index]; | |
| 134 | } | |
| 135 | if ($istext) { | |
| fc22da99 | 136 | if (!is_string($xml)) { |
| c95defa9 | 137 | $this->error( get_string('invalidxml','qformat_xml') ); |
| fc22da99 | 138 | } |
| cde2709a | 139 | $xml = trim($xml); |
| 46013523 | 140 | } |
| 141 | ||
| 142 | return $xml; | |
| 143 | } | |
| 144 | ||
| 145 | ||
| 6e557c08 | 146 | /** |
| c81415c7 | 147 | * import parts of question common to all types |
| e7ef42f5 | 148 | * @param $question array question question array from xml tree |
| 6e557c08 | 149 | * @return object question object |
| c81415c7 | 150 | */ |
| cde2709a | 151 | function import_headers($question) { |
| 46013523 | 152 | // get some error strings |
| cde2709a DC |
153 | $error_noname = get_string('xmlimportnoname','quiz'); |
| 154 | $error_noquestion = get_string('xmlimportnoquestion','quiz'); | |
| 46013523 | 155 | |
| 84769fd8 | 156 | // this routine initialises the question object |
| 5bed54e1 | 157 | $qo = $this->defaultquestion(); |
| 84769fd8 | 158 | |
| 46013523 | 159 | // question name |
| 160 | $qo->name = $this->getpath( $question, array('#','name',0,'#','text',0,'#'), '', true, $error_noname ); | |
| cde2709a DC |
161 | $qo->questiontext = $this->getpath($question, array('#','questiontext',0,'#','text',0,'#'), '', true ); |
| 162 | $qo->questiontextformat = $this->trans_format($this->getpath($question, array('#','questiontext',0,'@','format'), '')); | |
| 163 | $qo->image = $this->getpath($question, array('#','image',0,'#'), $qo->image ); | |
| 46013523 | 164 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 165 | if (!empty($image_base64)) { | |
| cde2709a | 166 | $qo->image = $this->importimagefile($qo->image, $image_base64); |
| 46013523 | 167 | } |
| cde2709a DC |
168 | |
| 169 | $qo->questiontextfiles = array(); | |
| 170 | ||
| 171 | // restore files in questiontext | |
| 172 | $files = $this->getpath($question, array('#', 'questiontext', 0, '#','file'), array(), false); | |
| 173 | foreach ($files as $file) { | |
| 174 | $data = new stdclass; | |
| 175 | $data->content = $file['#']; | |
| 176 | $data->encoding = $file['@']['encoding']; | |
| 177 | $data->name = $file['@']['name']; | |
| 178 | $qo->questiontextfiles[] = $data; | |
| 179 | } | |
| 180 | ||
| 181 | // restore files in generalfeedback | |
| 182 | $qo->generalfeedback = $this->getpath($question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true); | |
| 183 | $qo->generalfeedbackfiles = array(); | |
| 184 | $qo->generalfeedbackformat = $this->trans_format($this->getpath($question, array('#', 'generalfeedback', 0, '@', 'format'), '')); | |
| 185 | $files = $this->getpath($question, array('#', 'generalfeedback', 0, '#', 'file'), array(), false); | |
| 186 | foreach ($files as $file) { | |
| 187 | $data = new stdclass; | |
| 188 | $data->content = $file['#']; | |
| 189 | $data->encoding = $file['@']['encoding']; | |
| 190 | $data->name = $file['@']['name']; | |
| 191 | $qo->generalfeedbackfiles[] = $data; | |
| 192 | } | |
| 193 | ||
| 46013523 | 194 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); |
| 195 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); | |
| 84769fd8 | 196 | |
| 197 | return $qo; | |
| 198 | } | |
| 199 | ||
| 6e557c08 | 200 | /** |
| c81415c7 | 201 | * import the common parts of a single answer |
| 6e557c08 | 202 | * @param array answer xml tree for single answer |
| 203 | * @return object answer object | |
| 88bc20c3 | 204 | */ |
| cde2709a DC |
205 | function import_answer($answer) { |
| 206 | $fraction = $this->getpath($answer, array('@', 'fraction'), 0); | |
| 207 | $answertext = $this->getpath($answer, array('#', 'text', 0, '#'), '', true); | |
| 208 | $answerformat = $this->trans_format($this->getpath($answer, array('#', 'text', 0, '#'), '')); | |
| 209 | $answerfiles = array(); | |
| 210 | $files = $this->getpath($answer, array('#', 'answer', 0, '#', 'file'), array()); | |
| 211 | foreach ($files as $file) { | |
| 212 | $data = new stdclass; | |
| 213 | $data->content = $file['#']; | |
| 214 | $data->name = $file['@']['name']; | |
| 215 | $data->encoding = $file['@']['encoding']; | |
| 216 | $answerfiles[] = $data; | |
| 217 | } | |
| 218 | ||
| 219 | $feedbacktext = $this->getpath($answer, array('#', 'feedback', 0, '#', 'text', 0, '#'), '', true); | |
| 220 | $feedbackformat = $this->trans_format($this->getpath($answer, array('#', 'feedback', 0, '@', 'format'), '')); | |
| 221 | $feedbackfiles = array(); | |
| 222 | $files = $this->getpath($answer, array('#', 'feedback', 0, '#', 'file'), array()); | |
| 223 | foreach ($files as $file) { | |
| 224 | $data = new stdclass; | |
| 225 | $data->content = $file['#']; | |
| 226 | $data->name = $file['@']['name']; | |
| 227 | $data->encoding = $file['@']['encoding']; | |
| 228 | $feedbackfiles[] = $data; | |
| 229 | } | |
| 230 | ||
| 231 | $ans = new stdclass; | |
| 232 | ||
| 233 | $ans->answer = array(); | |
| 234 | $ans->answer['text'] = $answertext; | |
| 235 | $ans->answer['format'] = $answerformat; | |
| 236 | $ans->answer['files'] = $answerfiles; | |
| 237 | ||
| 238 | $ans->feedback = array(); | |
| 239 | $ans->feedback['text'] = $feedbacktext; | |
| 240 | $ans->feedback['format'] = $feedbackformat; | |
| 241 | $ans->feedback['files'] = $feedbackfiles; | |
| 84769fd8 | 242 | |
| 84769fd8 | 243 | $ans->fraction = $fraction / 100; |
| 84769fd8 | 244 | return $ans; |
| 245 | } | |
| 246 | ||
| 6e557c08 | 247 | /** |
| 88bc20c3 | 248 | * import multiple choice question |
| 6e557c08 | 249 | * @param array question question array from xml tree |
| 250 | * @return object question object | |
| c81415c7 | 251 | */ |
| cde2709a | 252 | function import_multichoice($question) { |
| 84769fd8 | 253 | // get common parts |
| cde2709a | 254 | $qo = $this->import_headers($question); |
| 84769fd8 | 255 | |
| 256 | // 'header' parts particular to multichoice | |
| 257 | $qo->qtype = MULTICHOICE; | |
| 81a7a02b | 258 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 84769fd8 | 259 | $qo->single = $this->trans_single( $single ); |
| 81a7a02b | 260 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); |
| 2377f8dc | 261 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); |
| 2da44816 | 262 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| cde2709a DC |
263 | |
| 264 | $qo->correctfeedback = array(); | |
| 265 | $qo->correctfeedback['text'] = $this->getpath($question, array('#', 'correctfeedback', 0, '#', 'text', 0, '#'), '', true); | |
| 266 | $qo->correctfeedback['format'] = $this->trans_format($this->getpath($question, array('#', 'correctfeedback', 0, '@', 'format'), '')); | |
| 267 | $qo->correctfeedback['files'] = array(); | |
| 268 | // restore files in correctfeedback | |
| 269 | $files = $this->getpath($question, array('#', 'correctfeedback', 0, '#','file'), array(), false); | |
| 270 | foreach ($files as $file) { | |
| 271 | $data = new stdclass; | |
| 272 | $data->content = $file['#']; | |
| 273 | $data->encoding = $file['@']['encoding']; | |
| 274 | $data->name = $file['@']['name']; | |
| 275 | $qo->correctfeedback['files'][] = $data; | |
| 276 | } | |
| 277 | ||
| 278 | $qo->partiallycorrectfeedback = array(); | |
| 279 | $qo->partiallycorrectfeedback['text'] = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 280 | $qo->partiallycorrectfeedback['format'] = $this->trans_format($this->getpath($question, array('#', 'partiallycorrectfeedback', 0, '@', 'format'), '')); | |
| 281 | $qo->partiallycorrectfeedback['files'] = array(); | |
| 282 | // restore files in partiallycorrectfeedback | |
| 283 | $files = $this->getpath($question, array('#', 'partiallycorrectfeedback', 0, '#','file'), array(), false); | |
| 284 | foreach ($files as $file) { | |
| 285 | $data = new stdclass; | |
| 286 | $data->content = $file['#']; | |
| 287 | $data->encoding = $file['@']['encoding']; | |
| 288 | $data->name = $file['@']['name']; | |
| 289 | $qo->partiallycorrectfeedback['files'][] = $data; | |
| 290 | } | |
| 291 | ||
| 292 | $qo->incorrectfeedback = array(); | |
| 293 | $qo->incorrectfeedback['text'] = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 294 | $qo->incorrectfeedback['format'] = $this->trans_format($this->getpath($question, array('#', 'incorrectfeedback', 0, '@', 'format'), '')); | |
| 295 | $qo->incorrectfeedback['files'] = array(); | |
| 296 | // restore files in incorrectfeedback | |
| 297 | $files = $this->getpath($question, array('#', 'incorrectfeedback', 0, '#','file'), array(), false); | |
| 298 | foreach ($files as $file) { | |
| 299 | $data = new stdclass; | |
| 300 | $data->content = $file['#']; | |
| 301 | $data->encoding = $file['@']['encoding']; | |
| 302 | $data->name = $file['@']['name']; | |
| 303 | $qo->incorrectfeedback['files'][] = $data; | |
| 304 | } | |
| c0ffeb39 | 305 | |
| 306 | // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found. | |
| 307 | if (empty($qo->answernumbering)) { | |
| 308 | $qo->answernumbering = 'abc'; | |
| 309 | } | |
| 310 | ||
| 84769fd8 | 311 | // run through the answers |
| 88bc20c3 | 312 | $answers = $question['#']['answer']; |
| 84769fd8 | 313 | $a_count = 0; |
| 314 | foreach ($answers as $answer) { | |
| cde2709a | 315 | $ans = $this->import_answer($answer); |
| 84769fd8 | 316 | $qo->answer[$a_count] = $ans->answer; |
| 317 | $qo->fraction[$a_count] = $ans->fraction; | |
| 318 | $qo->feedback[$a_count] = $ans->feedback; | |
| 319 | ++$a_count; | |
| 320 | } | |
| cde2709a | 321 | |
| 84769fd8 | 322 | return $qo; |
| 323 | } | |
| 324 | ||
| 6e557c08 | 325 | /** |
| c81415c7 | 326 | * import cloze type question |
| 6e557c08 | 327 | * @param array question question array from xml tree |
| 328 | * @return object question object | |
| c81415c7 | 329 | */ |
| 7b8bc256 | 330 | function import_multianswer( $questions ) { |
| 0c6b4d2e | 331 | $questiontext = $questions['#']['questiontext'][0]['#']['text']; |
| 332 | $qo = qtype_multianswer_extract_question($this->import_text($questiontext)); | |
| 7b8bc256 | 333 | |
| 334 | // 'header' parts particular to multianswer | |
| 335 | $qo->qtype = MULTIANSWER; | |
| 336 | $qo->course = $this->course; | |
| 4ab4dcb2 | 337 | $qo->generalfeedback = $this->getpath( $questions, array('#','generalfeedback',0,'#','text',0,'#'), '', true ); |
| 7b8bc256 | 338 | |
| 71ffbac2 | 339 | if (!empty($questions)) { |
| 7b8bc256 | 340 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 341 | } | |
| 342 | ||
| 343 | return $qo; | |
| 344 | } | |
| 345 | ||
| 6e557c08 | 346 | /** |
| c81415c7 | 347 | * import true/false type question |
| 6e557c08 | 348 | * @param array question question array from xml tree |
| 349 | * @return object question object | |
| c81415c7 | 350 | */ |
| 84769fd8 | 351 | function import_truefalse( $question ) { |
| 84769fd8 | 352 | // get common parts |
| fef8f84e | 353 | global $OUTPUT; |
| 84769fd8 | 354 | $qo = $this->import_headers( $question ); |
| 355 | ||
| 356 | // 'header' parts particular to true/false | |
| 357 | $qo->qtype = TRUEFALSE; | |
| 358 | ||
| 359 | // get answer info | |
| 3246ed33 | 360 | // |
| 361 | // In the past, it used to be assumed that the two answers were in the file | |
| 362 | // true first, then false. Howevever that was not always true. Now, we | |
| 363 | // try to match on the answer text, but in old exports, this will be a localised | |
| 364 | // string, so if we don't find true or false, we fall back to the old system. | |
| 365 | $first = true; | |
| 366 | $warning = false; | |
| 367 | foreach ($question['#']['answer'] as $answer) { | |
| 81a7a02b | 368 | $answertext = $this->getpath( $answer, array('#','text',0,'#'), '', true ); |
| cde2709a DC |
369 | $feedback = $this->getpath($answer, array('#','feedback',0,'#','text',0,'#'), '', true); |
| 370 | $feedbackformat = $this->getpath($answer, array('#','feedback',0, '@', 'format'), '', true); | |
| 371 | $feedbackfiles = $this->getpath($answer, array('#', 'feedback', 0, '#', 'file'), array(), false); | |
| 372 | $files = array(); | |
| 373 | foreach ($feedbackfiles as $file) { | |
| 374 | $data = new stdclass; | |
| 375 | $data->content = $file['#']; | |
| 376 | $data->encoding = $file['@']['encoding']; | |
| 377 | $data->name = $file['@']['name']; | |
| 378 | $files[] = $data; | |
| 379 | } | |
| 3246ed33 | 380 | if ($answertext != 'true' && $answertext != 'false') { |
| 381 | $warning = true; | |
| 382 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. | |
| 88bc20c3 | 383 | } |
| 3246ed33 | 384 | if ($answertext == 'true') { |
| 385 | $qo->answer = ($answer['@']['fraction'] == 100); | |
| 7939a4a0 | 386 | $qo->correctanswer = $qo->answer; |
| cde2709a DC |
387 | $qo->feedbacktrue = array(); |
| 388 | $qo->feedbacktrue['text'] = $feedback; | |
| 389 | $qo->feedbacktrue['format'] = $this->trans_format($feedbackformat); | |
| 390 | $qo->feedbacktrue['itemid'] = null; | |
| 391 | $qo->feedbacktruefiles = $files; | |
| 3246ed33 | 392 | } else { |
| 393 | $qo->answer = ($answer['@']['fraction'] != 100); | |
| 7939a4a0 | 394 | $qo->correctanswer = $qo->answer; |
| cde2709a DC |
395 | $qo->feedbackfalse = array(); |
| 396 | $qo->feedbackfalse['text'] = $feedback; | |
| 397 | $qo->feedbackfalse['format'] = $this->trans_format($feedbackformat); | |
| 398 | $qo->feedbackfalse['itemid'] = null; | |
| 399 | $qo->feedbackfalsefiles = $files; | |
| 3246ed33 | 400 | } |
| 401 | $first = false; | |
| 84769fd8 | 402 | } |
| 3246ed33 | 403 | |
| 404 | if ($warning) { | |
| 405 | $a = new stdClass; | |
| 55c54868 | 406 | $a->questiontext = $qo->questiontext; |
| 3246ed33 | 407 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| fef8f84e | 408 | echo $OUTPUT->notification(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 | 409 | } |
| 84769fd8 | 410 | return $qo; |
| 411 | } | |
| 412 | ||
| 6e557c08 | 413 | /** |
| c81415c7 | 414 | * import short answer type question |
| 6e557c08 | 415 | * @param array question question array from xml tree |
| 416 | * @return object question object | |
| c81415c7 | 417 | */ |
| 84769fd8 | 418 | function import_shortanswer( $question ) { |
| 84769fd8 | 419 | // get common parts |
| 420 | $qo = $this->import_headers( $question ); | |
| 421 | ||
| 422 | // header parts particular to shortanswer | |
| 423 | $qo->qtype = SHORTANSWER; | |
| 424 | ||
| 425 | // get usecase | |
| 46013523 | 426 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 | 427 | |
| 428 | // run through the answers | |
| 88bc20c3 | 429 | $answers = $question['#']['answer']; |
| 84769fd8 | 430 | $a_count = 0; |
| 431 | foreach ($answers as $answer) { | |
| 432 | $ans = $this->import_answer( $answer ); | |
| 433 | $qo->answer[$a_count] = $ans->answer; | |
| 434 | $qo->fraction[$a_count] = $ans->fraction; | |
| 435 | $qo->feedback[$a_count] = $ans->feedback; | |
| 436 | ++$a_count; | |
| 437 | } | |
| 438 | ||
| 439 | return $qo; | |
| 440 | } | |
| 88bc20c3 | 441 | |
| 6e557c08 | 442 | /** |
| c81415c7 | 443 | * import description type question |
| 6e557c08 | 444 | * @param array question question array from xml tree |
| 445 | * @return object question object | |
| c81415c7 | 446 | */ |
| 7b8bc256 | 447 | function import_description( $question ) { |
| 448 | // get common parts | |
| 449 | $qo = $this->import_headers( $question ); | |
| 450 | // header parts particular to shortanswer | |
| 451 | $qo->qtype = DESCRIPTION; | |
| 3f5633df | 452 | $qo->defaultgrade = 0; |
| 453 | $qo->length = 0; | |
| 7b8bc256 | 454 | return $qo; |
| 455 | } | |
| 84769fd8 | 456 | |
| 6e557c08 | 457 | /** |
| c81415c7 | 458 | * import numerical type question |
| 6e557c08 | 459 | * @param array question question array from xml tree |
| 460 | * @return object question object | |
| c81415c7 | 461 | */ |
| 462 | function import_numerical( $question ) { | |
| 84769fd8 | 463 | // get common parts |
| 464 | $qo = $this->import_headers( $question ); | |
| 465 | ||
| 466 | // header parts particular to numerical | |
| 467 | $qo->qtype = NUMERICAL; | |
| 468 | ||
| 469 | // get answers array | |
| 470 | $answers = $question['#']['answer']; | |
| 471 | $qo->answer = array(); | |
| 472 | $qo->feedback = array(); | |
| 473 | $qo->fraction = array(); | |
| 474 | $qo->tolerance = array(); | |
| 475 | foreach ($answers as $answer) { | |
| 55c54868 | 476 | // answer outside of <text> is deprecated |
| cde2709a DC |
477 | $obj = $this->import_answer($answer); |
| 478 | $qo->answer[] = $obj->answer; | |
| 81a7a02b | 479 | if (empty($qo->answer)) { |
| 480 | $qo->answer = '*'; | |
| 55c54868 | 481 | } |
| cde2709a | 482 | $qo->feedback[] = $obj->feedback; |
| 81a7a02b | 483 | $qo->tolerance[] = $this->getpath( $answer, array('#','tolerance',0,'#'), 0 ); |
| 55c54868 | 484 | |
| 485 | // fraction as a tag is deprecated | |
| 81a7a02b | 486 | $fraction = $this->getpath( $answer, array('@','fraction'), 0 ) / 100; |
| 487 | $qo->fraction[] = $this->getpath( $answer, array('#','fraction',0,'#'), $fraction ); // deprecated | |
| 84769fd8 | 488 | } |
| 489 | ||
| 490 | // get units array | |
| 84769fd8 | 491 | $qo->unit = array(); |
| 81a7a02b | 492 | $units = $this->getpath( $question, array('#','units',0,'#','unit'), array() ); |
| 493 | if (!empty($units)) { | |
| a0d187bf | 494 | $qo->multiplier = array(); |
| 495 | foreach ($units as $unit) { | |
| 81a7a02b | 496 | $qo->multiplier[] = $this->getpath( $unit, array('#','multiplier',0,'#'), 1 ); |
| 497 | $qo->unit[] = $this->getpath( $unit, array('#','unit_name',0,'#'), '', true ); | |
| a0d187bf | 498 | } |
| 84769fd8 | 499 | } |
| ac582c3b PP |
500 | $qo->unitgradingtype = $this->getpath( $question, array('#','unitgradingtype',0,'#'), 0 ); |
| 501 | $qo->unitpenalty = $this->getpath( $question, array('#','unitpenalty',0,'#'), 0 ); | |
| 502 | $qo->showunits = $this->getpath( $question, array('#','showunits',0,'#'), 0 ); | |
| 503 | $qo->unitsleft = $this->getpath( $question, array('#','unitsleft',0,'#'), 0 ); | |
| cde2709a DC |
504 | $instructions = $this->getpath($question, array('#', 'instructions'), array()); |
| 505 | if (!empty($instructions)) { | |
| 506 | $qo->instructions = array(); | |
| 507 | $qo->instructions['text'] = $instructions[0]['#']['text'][0]['#']; | |
| 508 | $qo->instructions['format'] = $this->trans_format($instructions[0]['@']['format']); | |
| 509 | $files = $instructions[0]['#']['file']; | |
| 510 | $qo->instructionsfiles = array(); | |
| 511 | foreach ($files as $file) { | |
| 512 | $data = new stdclass; | |
| 513 | $data->content = $file['#']; | |
| 514 | $data->encoding = $file['@']['encoding']; | |
| 515 | $data->name = $file['@']['name']; | |
| 516 | $qo->instructionsfiles[] = $data; | |
| 517 | } | |
| 518 | } | |
| 84769fd8 | 519 | return $qo; |
| 520 | } | |
| 521 | ||
| 6e557c08 | 522 | /** |
| c81415c7 | 523 | * import matching type question |
| 6e557c08 | 524 | * @param array question question array from xml tree |
| 525 | * @return object question object | |
| c81415c7 | 526 | */ |
| 51bcdf28 | 527 | function import_matching( $question ) { |
| 51bcdf28 | 528 | // get common parts |
| 529 | $qo = $this->import_headers( $question ); | |
| 530 | ||
| 531 | // header parts particular to matching | |
| 532 | $qo->qtype = MATCH; | |
| 81a7a02b | 533 | $qo->shuffleanswers = $this->getpath( $question, array( '#','shuffleanswers',0,'#' ), 1 ); |
| 51bcdf28 | 534 | |
| 535 | // get subquestions | |
| 536 | $subquestions = $question['#']['subquestion']; | |
| 537 | $qo->subquestions = array(); | |
| 538 | $qo->subanswers = array(); | |
| 539 | ||
| 540 | // run through subquestions | |
| 541 | foreach ($subquestions as $subquestion) { | |
| cde2709a DC |
542 | $question = array(); |
| 543 | $question['text'] = $this->getpath($subquestion, array('#', 'text', 0, '#'), '', true); | |
| 544 | $question['format'] = $this->trans_format($this->getpath($subquestion, array('@', 'format'), '', true)); | |
| 545 | $question['files'] = array(); | |
| 546 | ||
| 547 | $files = $this->getpath($subquestion, array('#', 'file'), array()); | |
| 548 | foreach ($files as $file) { | |
| 549 | $data = new stdclass(); | |
| 550 | $data->content = $file['#']; | |
| 551 | $data->encoding = $file['@']['encoding']; | |
| 552 | $data->name = $file['@']['name']; | |
| 553 | $question['files'][] = $data; | |
| 554 | } | |
| 555 | $qo->subquestions[] = $question; | |
| 556 | $answers = $this->getpath($subquestion, array('#', 'answer'), array()); | |
| 557 | $qo->subanswers[] = $this->getpath($subquestion, array('#','answer',0,'#','text',0,'#'), '', true); | |
| 51bcdf28 | 558 | } |
| 51bcdf28 | 559 | return $qo; |
| 560 | } | |
| 561 | ||
| 6e557c08 | 562 | /** |
| c81415c7 | 563 | * import essay type question |
| 6e557c08 | 564 | * @param array question question array from xml tree |
| 565 | * @return object question object | |
| c81415c7 | 566 | */ |
| 567 | function import_essay( $question ) { | |
| 568 | // get common parts | |
| 569 | $qo = $this->import_headers( $question ); | |
| 570 | ||
| 571 | // header parts particular to essay | |
| 572 | $qo->qtype = ESSAY; | |
| 573 | ||
| cde2709a DC |
574 | $answers = $question['#']['answer']; |
| 575 | $answer = array_pop($answers); | |
| 576 | $answer = $this->import_answer($answer); | |
| c81415c7 | 577 | // get feedback |
| cde2709a | 578 | $qo->feedback = $answer->feedback; |
| 55c54868 | 579 | |
| 580 | // get fraction - <fraction> tag is deprecated | |
| 6af98025 | 581 | $qo->fraction = $this->getpath( $question, array('@','fraction'), 0 ) / 100; |
| 582 | $q0->fraction = $this->getpath( $question, array('#','fraction',0,'#'), $qo->fraction ); | |
| c81415c7 | 583 | |
| 584 | return $qo; | |
| 585 | } | |
| 84769fd8 | 586 | |
| ac582c3b | 587 | function import_calculated($question,$qtype) { |
| 04d8268d | 588 | // import calculated question |
| 725ba2a0 | 589 | |
| 590 | // get common parts | |
| 591 | $qo = $this->import_headers( $question ); | |
| 592 | ||
| 04d8268d | 593 | // header parts particular to calculated |
| 725ba2a0 | 594 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 505f7342 | 595 | $qo->synchronize = $this->getpath( $question, array( '#','synchronize',0,'#' ), 0 ); |
| 04d8268d PP |
596 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 597 | $qo->single = $this->trans_single( $single ); | |
| 598 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); | |
| 599 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); | |
| 600 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); | |
| cde2709a DC |
601 | |
| 602 | $qo->correctfeedback = array(); | |
| 603 | $qo->correctfeedback['text'] = $this->getpath( $question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); | |
| 604 | $qo->correctfeedback['format'] = $this->trans_format($this->getpath( $question, array('#', 'correctfeedback', 0, '@', 'formath'), '', true )); | |
| 605 | $qo->correctfeedback['files'] = array(); | |
| 606 | ||
| 607 | $files = $this->getpath($question, array('#', 'correctfeedback', '0', '#', 'file'), array()); | |
| 608 | foreach ($files as $file) { | |
| 609 | $data = new stdclass(); | |
| 610 | $data->content = $file['#']; | |
| 611 | $data->name = $file['@']['name']; | |
| 612 | $data->encoding = $file['@']['encoding']; | |
| 613 | $qo->correctfeedback['files'][] = $data; | |
| 614 | } | |
| 615 | ||
| 616 | $qo->partiallycorrectfeedback = array(); | |
| 617 | $qo->partiallycorrectfeedback['text'] = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 618 | $qo->partiallycorrectfeedback['format'] = $this->trans_format($this->getpath($question, array('#','partiallycorrectfeedback', 0, '@','format'), '', true )); | |
| 619 | $qo->partiallycorrectfeedback['files'] = array(); | |
| 620 | ||
| 621 | $files = $this->getpath($question, array('#', 'partiallycorrectfeedback', '0', '#', 'file'), array()); | |
| 622 | foreach ($files as $file) { | |
| 623 | $data = new stdclass(); | |
| 624 | $data->content = $file['#']; | |
| 625 | $data->name = $file['@']['name']; | |
| 626 | $data->encoding = $file['@']['encoding']; | |
| 627 | $qo->partiallycorrectfeedback['files'][] = $data; | |
| 628 | } | |
| 629 | ||
| 630 | $qo->incorrectfeedback = array(); | |
| 631 | $qo->incorrectfeedback['text'] = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 632 | $qo->incorrectfeedback['format'] = $this->trans_format($this->getpath($question, array('#','incorrectfeedback', 0, '@','format'), '', true )); | |
| 633 | $qo->incorrectfeedback['files'] = array(); | |
| 634 | ||
| 635 | $files = $this->getpath($question, array('#', 'incorrectfeedback', '0', '#', 'file'), array()); | |
| 636 | foreach ($files as $file) { | |
| 637 | $data = new stdclass(); | |
| 638 | $data->content = $file['#']; | |
| 639 | $data->name = $file['@']['name']; | |
| 640 | $data->encoding = $file['@']['encoding']; | |
| 641 | $qo->incorrectfeedback['files'][] = $data; | |
| 642 | } | |
| 643 | ||
| 04d8268d PP |
644 | $qo->unitgradingtype = $this->getpath( $question, array('#','unitgradingtype',0,'#'), 0 ); |
| 645 | $qo->unitpenalty = $this->getpath( $question, array('#','unitpenalty',0,'#'), 0 ); | |
| 646 | $qo->showunits = $this->getpath( $question, array('#','showunits',0,'#'), 0 ); | |
| 647 | $qo->unitsleft = $this->getpath( $question, array('#','unitsleft',0,'#'), 0 ); | |
| ac582c3b PP |
648 | // $qo->instructions = $this->getpath( $question, array('#','instructions',0,'#','text',0,'#'), '', true ); |
| 649 | if (!empty($instructions)) { | |
| 650 | $qo->instructions = array(); | |
| 651 | $qo->instructions['text'] = $instructions[0]['#']['text'][0]['#']; | |
| 652 | $qo->instructions['format'] = $this->trans_format($instructions[0]['@']['format']); | |
| 653 | $files = $instructions[0]['#']['file']; | |
| 654 | $qo->instructionsfiles = array(); | |
| 655 | foreach ($files as $file) { | |
| 656 | $data = new stdclass; | |
| 657 | $data->content = $file['#']; | |
| 658 | $data->encoding = $file['@']['encoding']; | |
| 659 | $data->name = $file['@']['name']; | |
| 660 | $qo->instructionsfiles[] = $data; | |
| 661 | } | |
| 662 | } | |
| cde2709a DC |
663 | |
| 664 | $files = $this->getpath($question, array('#', 'instructions', 0, '#', 'file', 0, '@'), '', false); | |
| 665 | ||
| 725ba2a0 | 666 | // get answers array |
| cde2709a | 667 | // echo "<pre> question";print_r($question);echo "</pre>"; |
| 725ba2a0 | 668 | $answers = $question['#']['answer']; |
| 669 | $qo->answers = array(); | |
| 670 | $qo->feedback = array(); | |
| 671 | $qo->fraction = array(); | |
| 672 | $qo->tolerance = array(); | |
| 673 | $qo->tolerancetype = array(); | |
| 674 | $qo->correctanswerformat = array(); | |
| 675 | $qo->correctanswerlength = array(); | |
| 676 | $qo->feedback = array(); | |
| 677 | foreach ($answers as $answer) { | |
| cde2709a | 678 | $ans = $this->import_answer($answer); |
| 725ba2a0 | 679 | // answer outside of <text> is deprecated |
| cde2709a DC |
680 | if (empty($ans->answer['text'])) { |
| 681 | $ans->answer['text'] = '*'; | |
| 725ba2a0 | 682 | } |
| cde2709a DC |
683 | $qo->answers[] = $ans->answer; |
| 684 | $qo->feedback[] = $ans->feedback; | |
| 725ba2a0 | 685 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; |
| 686 | // fraction as a tag is deprecated | |
| 687 | if (!empty($answer['#']['fraction'][0]['#'])) { | |
| 688 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; | |
| cde2709a | 689 | } else { |
| 725ba2a0 | 690 | $qo->fraction[] = $answer['@']['fraction'] / 100; |
| 691 | } | |
| 692 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; | |
| 693 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; | |
| 694 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; | |
| 695 | } | |
| 696 | // get units array | |
| 697 | $qo->unit = array(); | |
| 698 | if (isset($question['#']['units'][0]['#']['unit'])) { | |
| 699 | $units = $question['#']['units'][0]['#']['unit']; | |
| 700 | $qo->multiplier = array(); | |
| 701 | foreach ($units as $unit) { | |
| 702 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; | |
| 703 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; | |
| 704 | } | |
| 705 | } | |
| cde2709a DC |
706 | $instructions = $this->getpath($question, array('#', 'instructions'), array()); |
| 707 | if (!empty($instructions)) { | |
| 708 | $qo->instructions = array(); | |
| 709 | $qo->instructions['text'] = $instructions[0]['#']['text'][0]['#']; | |
| 710 | $qo->instructions['format'] = $this->trans_format($instructions[0]['@']['format']); | |
| 711 | $qo->instructionsfiles = array(); | |
| 712 | if (isset($instructions[0]['#']['file'])) { | |
| 713 | $files = $instructions[0]['#']['file']; | |
| 714 | foreach ($files as $file) { | |
| 715 | $data = new stdclass; | |
| 716 | $data->content = $file['#']; | |
| 717 | $data->encoding = $file['@']['encoding']; | |
| 718 | $data->name = $file['@']['name']; | |
| 719 | $qo->instructionsfiles[] = $data; | |
| 720 | } | |
| 721 | } | |
| 722 | } | |
| 723 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; | |
| 724 | $qo->dataset = array(); | |
| 725 | $qo->datasetindex= 0 ; | |
| 725ba2a0 | 726 | foreach ($datasets as $dataset) { |
| 727 | $qo->datasetindex++; | |
| 728 | $qo->dataset[$qo->datasetindex] = new stdClass(); | |
| 729 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); | |
| 730 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); | |
| 731 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; | |
| 732 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 733 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); | |
| 734 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); | |
| 735 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); | |
| 736 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 737 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; | |
| 738 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); | |
| 739 | $qo->dataset[$qo->datasetindex]->itemindex = 0; | |
| 740 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; | |
| 741 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; | |
| 742 | foreach ($datasetitems as $datasetitem) { | |
| 743 | $qo->dataset[$qo->datasetindex]->itemindex++; | |
| cde2709a DC |
744 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); |
| 745 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; | |
| 746 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; | |
| 747 | } | |
| 725ba2a0 | 748 | } |
| 88bc20c3 | 749 | |
| cde2709a | 750 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 | 751 | return $qo; |
| 752 | } | |
| 753 | ||
| ee259d0c | 754 | /** |
| 755 | * this is not a real question type. It's a dummy type used | |
| 756 | * to specify the import category | |
| 757 | * format is: | |
| 758 | * <question type="category"> | |
| 759 | * <category>tom/dick/harry</category> | |
| 760 | * </question> | |
| 761 | */ | |
| 762 | function import_category( $question ) { | |
| 0c6b4d2e | 763 | $qo = new stdClass; |
| ee259d0c | 764 | $qo->qtype = 'category'; |
| 86b68520 | 765 | $qo->category = $this->import_text($question['#']['category'][0]['#']['text']); |
| ee259d0c | 766 | return $qo; |
| 767 | } | |
| 768 | ||
| c81415c7 | 769 | /** |
| 770 | * parse the array of lines into an array of questions | |
| 771 | * this *could* burn memory - but it won't happen that much | |
| 772 | * so fingers crossed! | |
| 6e557c08 | 773 | * @param array lines array of lines from the input file |
| 774 | * @return array (of objects) question objects | |
| c81415c7 | 775 | */ |
| 776 | function readquestions($lines) { | |
| 84769fd8 | 777 | // we just need it as one big string |
| 778 | $text = implode($lines, " "); | |
| cde2709a | 779 | unset($lines); |
| 84769fd8 | 780 | |
| 781 | // this converts xml to big nasty data structure | |
| 782 | // the 0 means keep white space as it is (important for markdown format) | |
| 783 | // print_r it if you want to see what it looks like! | |
| cde2709a | 784 | $xml = xmlize($text, 0); |
| 84769fd8 | 785 | |
| 786 | // set up array to hold all our questions | |
| 787 | $questions = array(); | |
| 788 | ||
| 789 | // iterate through questions | |
| 790 | foreach ($xml['quiz']['#']['question'] as $question) { | |
| 791 | $question_type = $question['@']['type']; | |
| 792 | $questiontype = get_string( 'questiontype','quiz',$question_type ); | |
| 84769fd8 | 793 | |
| 794 | if ($question_type=='multichoice') { | |
| 795 | $qo = $this->import_multichoice( $question ); | |
| 88bc20c3 | 796 | } |
| 84769fd8 | 797 | elseif ($question_type=='truefalse') { |
| 798 | $qo = $this->import_truefalse( $question ); | |
| 799 | } | |
| 800 | elseif ($question_type=='shortanswer') { | |
| 801 | $qo = $this->import_shortanswer( $question ); | |
| 802 | } | |
| 803 | elseif ($question_type=='numerical') { | |
| 804 | $qo = $this->import_numerical( $question ); | |
| 805 | } | |
| 7b8bc256 | 806 | elseif ($question_type=='description') { |
| 807 | $qo = $this->import_description( $question ); | |
| 808 | } | |
| 51bcdf28 | 809 | elseif ($question_type=='matching') { |
| 810 | $qo = $this->import_matching( $question ); | |
| 811 | } | |
| 7b8bc256 | 812 | elseif ($question_type=='cloze') { |
| c81415c7 | 813 | $qo = $this->import_multianswer( $question ); |
| 814 | } | |
| 815 | elseif ($question_type=='essay') { | |
| 816 | $qo = $this->import_essay( $question ); | |
| 7b8bc256 | 817 | } |
| 725ba2a0 | 818 | elseif ($question_type=='calculated') { |
| ac582c3b | 819 | $qo = $this->import_calculated( $question,CALCULATED ); |
| 725ba2a0 | 820 | } |
| 9c1c6c7f | 821 | elseif ($question_type=='calculatedsimple') { |
| ac582c3b | 822 | $qo = $this->import_calculated( $question,CALCULATEDMULTI ); |
| 9c1c6c7f | 823 | $qo->qtype = CALCULATEDSIMPLE ; |
| 824 | } | |
| 04d8268d | 825 | elseif ($question_type=='calculatedmulti') { |
| ac582c3b | 826 | $qo = $this->import_calculated( $question,CALCULATEDMULTI ); |
| 04d8268d PP |
827 | $qo->qtype = CALCULATEDMULTI ; |
| 828 | } | |
| ee259d0c | 829 | elseif ($question_type=='category') { |
| 830 | $qo = $this->import_category( $question ); | |
| 831 | } | |
| 84769fd8 | 832 | else { |
| a41e3287 | 833 | // try for plugin support |
| 88bc20c3 | 834 | // no default question, as the plugin can call |
| a41e3287 | 835 | // import_headers() itself if it wants to |
| 88bc20c3 | 836 | if (!$qo = $this->try_importing_using_qtypes( $question, null, null, $question_type)) { |
| a41e3287 | 837 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 838 | $this->error( $notsupported ); | |
| 839 | $qo = null; | |
| 840 | } | |
| 84769fd8 | 841 | } |
| 842 | ||
| 843 | // stick the result in the $questions array | |
| 844 | if ($qo) { | |
| 845 | $questions[] = $qo; | |
| 846 | } | |
| 847 | } | |
| 84769fd8 | 848 | return $questions; |
| 849 | } | |
| 850 | ||
| 851 | // EXPORT FUNCTIONS START HERE | |
| 852 | ||
| 84769fd8 | 853 | function export_file_extension() { |
| 46732124 | 854 | return '.xml'; |
| 84769fd8 | 855 | } |
| 856 | ||
| c81415c7 | 857 | /** |
| 858 | * Turn the internal question code into a human readable form | |
| 859 | * (The code used to be numeric, but this remains as some of | |
| 860 | * the names don't match the new internal format) | |
| 6e557c08 | 861 | * @param mixed type_id Internal code |
| 862 | * @return string question type string | |
| c81415c7 | 863 | */ |
| 84769fd8 | 864 | function get_qtype( $type_id ) { |
| 84769fd8 | 865 | switch( $type_id ) { |
| 866 | case TRUEFALSE: | |
| 867 | $name = 'truefalse'; | |
| 868 | break; | |
| 869 | case MULTICHOICE: | |
| 870 | $name = 'multichoice'; | |
| 871 | break; | |
| 872 | case SHORTANSWER: | |
| 873 | $name = 'shortanswer'; | |
| 874 | break; | |
| 875 | case NUMERICAL: | |
| 876 | $name = 'numerical'; | |
| 877 | break; | |
| 878 | case MATCH: | |
| 879 | $name = 'matching'; | |
| 880 | break; | |
| 881 | case DESCRIPTION: | |
| 882 | $name = 'description'; | |
| 883 | break; | |
| 884 | case MULTIANSWER: | |
| 885 | $name = 'cloze'; | |
| 886 | break; | |
| c81415c7 | 887 | case ESSAY: |
| 888 | $name = 'essay'; | |
| 889 | break; | |
| 725ba2a0 | 890 | case CALCULATED: |
| 891 | $name = 'calculated'; | |
| 892 | break; | |
| 9c1c6c7f | 893 | case CALCULATEDSIMPLE: |
| 894 | $name = 'calculatedsimple'; | |
| 895 | break; | |
| 04d8268d PP |
896 | case CALCULATEDMULTI: |
| 897 | $name = 'calculatedmulti'; | |
| 898 | break; | |
| 84769fd8 | 899 | default: |
| a41e3287 | 900 | $name = false; |
| 84769fd8 | 901 | } |
| 902 | return $name; | |
| 903 | } | |
| 904 | ||
| 6e557c08 | 905 | /** |
| c81415c7 | 906 | * Convert internal Moodle text format code into |
| 907 | * human readable form | |
| 6e557c08 | 908 | * @param int id internal code |
| 909 | * @return string format text | |
| c81415c7 | 910 | */ |
| 84769fd8 | 911 | function get_format( $id ) { |
| 84769fd8 | 912 | switch( $id ) { |
| 913 | case 0: | |
| 914 | $name = "moodle_auto_format"; | |
| 915 | break; | |
| 916 | case 1: | |
| 917 | $name = "html"; | |
| 918 | break; | |
| 919 | case 2: | |
| 920 | $name = "plain_text"; | |
| 921 | break; | |
| 922 | case 3: | |
| 923 | $name = "wiki_like"; | |
| 924 | break; | |
| 925 | case 4: | |
| 926 | $name = "markdown"; | |
| 927 | break; | |
| 928 | default: | |
| 929 | $name = "unknown"; | |
| 930 | } | |
| 931 | return $name; | |
| 932 | } | |
| 933 | ||
| 6e557c08 | 934 | /** |
| 88bc20c3 | 935 | * Convert internal single question code into |
| c81415c7 | 936 | * human readable form |
| 6e557c08 | 937 | * @param int id single question code |
| 938 | * @return string single question string | |
| c81415c7 | 939 | */ |
| 84769fd8 | 940 | function get_single( $id ) { |
| 84769fd8 | 941 | switch( $id ) { |
| 942 | case 0: | |
| 943 | $name = "false"; | |
| 944 | break; | |
| 945 | case 1: | |
| 946 | $name = "true"; | |
| 947 | break; | |
| 948 | default: | |
| 949 | $name = "unknown"; | |
| 950 | } | |
| 951 | return $name; | |
| 952 | } | |
| 953 | ||
| 6e557c08 | 954 | /** |
| 88bc20c3 | 955 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 | 956 | * @param int ilev the current indent level |
| 957 | * @param boolean short stick it on one line | |
| 958 | * @return string formatted text | |
| c81415c7 | 959 | */ |
| cde2709a | 960 | function writetext($raw, $ilev=0, $short=true) { |
| 84769fd8 | 961 | $indent = str_repeat( " ",$ilev ); |
| 962 | ||
| 3695cfa9 | 963 | // if required add CDATA tags |
| 964 | if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) { | |
| 965 | $raw = "<![CDATA[$raw]]>"; | |
| 966 | } | |
| 84769fd8 | 967 | |
| 968 | if ($short) { | |
| 969 | $xml = "$indent<text>$raw</text>\n"; | |
| 970 | } | |
| 971 | else { | |
| 972 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; | |
| 973 | } | |
| 974 | ||
| 975 | return $xml; | |
| 976 | } | |
| 88bc20c3 | 977 | |
| 84769fd8 | 978 | function presave_process( $content ) { |
| 979 | // override method to allow us to add xml headers and footers | |
| 980 | ||
| 81a7a02b | 981 | // add the xml headers and footers |
| 46013523 | 982 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 | 983 | "<quiz>\n" . |
| 984 | $content . "\n" . | |
| 985 | "</quiz>"; | |
| 84769fd8 | 986 | return $content; |
| 987 | } | |
| 988 | ||
| 6e557c08 | 989 | /** |
| c81415c7 | 990 | * Turns question into an xml segment |
| cde2709a DC |
991 | * @param object question object |
| 992 | * @param int context id | |
| 6e557c08 | 993 | * @return string xml segment |
| c81415c7 | 994 | */ |
| cde2709a DC |
995 | function writequestion($question) { |
| 996 | global $CFG, $QTYPES, $OUTPUT; | |
| 997 | ||
| 998 | $fs = get_file_storage(); | |
| 999 | $contextid = $question->contextid; | |
| 84769fd8 | 1000 | // initial string; |
| 1001 | $expout = ""; | |
| 1002 | ||
| 1003 | // add comment | |
| 1004 | $expout .= "\n\n<!-- question: $question->id -->\n"; | |
| 1005 | ||
| a41e3287 | 1006 | // check question type |
| 1007 | if (!$question_type = $this->get_qtype( $question->qtype )) { | |
| 1008 | // must be a plugin then, so just accept the name supplied | |
| 1009 | $question_type = $question->qtype; | |
| 46013523 | 1010 | } |
| 1011 | ||
| 84769fd8 | 1012 | // add opening tag |
| f1abd39f | 1013 | // generates specific header for Cloze and category type question |
| 1014 | if ($question->qtype == 'category') { | |
| 6f8481ec | 1015 | $categorypath = $this->writetext( $question->category ); |
| f1abd39f | 1016 | $expout .= " <question type=\"category\">\n"; |
| 1017 | $expout .= " <category>\n"; | |
| 6f8481ec | 1018 | $expout .= " $categorypath\n"; |
| f1abd39f | 1019 | $expout .= " </category>\n"; |
| 1020 | $expout .= " </question>\n"; | |
| 1021 | return $expout; | |
| cde2709a | 1022 | } elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 | 1023 | // for all question types except Close |
| cde2709a | 1024 | $name_text = $this->writetext($question->name); |
| 7b8bc256 | 1025 | $qtformat = $this->get_format($question->questiontextformat); |
| cde2709a DC |
1026 | $generalfeedbackformat = $this->get_format($question->generalfeedbackformat); |
| 1027 | ||
| 1028 | $question_text = $this->writetext($question->questiontext); | |
| 1029 | $question_text_files = $this->writefiles($question->questiontextfiles); | |
| 1030 | ||
| 1031 | $generalfeedback = $this->writetext($question->generalfeedback); | |
| 1032 | $generalfeedback_files = $this->writefiles($question->generalfeedbackfiles); | |
| 1033 | ||
| 88bc20c3 | 1034 | $expout .= " <question type=\"$question_type\">\n"; |
| 7b8bc256 | 1035 | $expout .= " <name>$name_text</name>\n"; |
| 1036 | $expout .= " <questiontext format=\"$qtformat\">\n"; | |
| 1037 | $expout .= $question_text; | |
| cde2709a | 1038 | $expout .= $question_text_files; |
| 88bc20c3 | 1039 | $expout .= " </questiontext>\n"; |
| cde2709a | 1040 | $expout .= " <generalfeedback format=\"$generalfeedbackformat\">\n"; |
| a4514d91 | 1041 | $expout .= $generalfeedback; |
| cde2709a | 1042 | $expout .= $generalfeedback_files; |
| a4514d91 | 1043 | $expout .= " </generalfeedback>\n"; |
| c81415c7 | 1044 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 | 1045 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 1046 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; | |
| cde2709a | 1047 | } else { |
| 7b8bc256 | 1048 | // for Cloze type only |
| 7b8bc256 | 1049 | $name_text = $this->writetext( $question->name ); |
| 1050 | $question_text = $this->writetext( $question->questiontext ); | |
| 4ab4dcb2 | 1051 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 | 1052 | $expout .= " <question type=\"$question_type\">\n"; |
| 1053 | $expout .= " <name>$name_text</name>\n"; | |
| 1054 | $expout .= " <questiontext>\n"; | |
| 1055 | $expout .= $question_text; | |
| 1056 | $expout .= " </questiontext>\n"; | |
| 4ab4dcb2 | 1057 | $expout .= " <generalfeedback>\n"; |
| 1058 | $expout .= $generalfeedback; | |
| 1059 | $expout .= " </generalfeedback>\n"; | |
| 7b8bc256 | 1060 | } |
| 1061 | ||
| d08e16b2 | 1062 | if (!empty($question->options->shuffleanswers)) { |
| 1063 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; | |
| 1064 | } | |
| 1065 | else { | |
| 1066 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; | |
| 1067 | } | |
| 84769fd8 | 1068 | |
| 1069 | // output depends on question type | |
| 1070 | switch($question->qtype) { | |
| f1abd39f | 1071 | case 'category': |
| 1072 | // not a qtype really - dummy used for category switching | |
| 88bc20c3 | 1073 | break; |
| 84769fd8 | 1074 | case TRUEFALSE: |
| 36e2232e | 1075 | foreach ($question->options->answers as $answer) { |
| 1076 | $fraction_pc = round( $answer->fraction * 100 ); | |
| 3246ed33 | 1077 | if ($answer->id == $question->options->trueanswer) { |
| 1078 | $answertext = 'true'; | |
| 1079 | } else { | |
| 1080 | $answertext = 'false'; | |
| 88bc20c3 | 1081 | } |
| 36e2232e | 1082 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 | 1083 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| cde2709a DC |
1084 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1085 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1086 | $expout .= $this->writetext($answer->feedback,4,false); | |
| 1087 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 36e2232e | 1088 | $expout .= " </feedback>\n"; |
| 1089 | $expout .= " </answer>\n"; | |
| 1090 | } | |
| 84769fd8 | 1091 | break; |
| 1092 | case MULTICHOICE: | |
| 1093 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; | |
| 307f045f | 1094 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| cde2709a DC |
1095 | |
| 1096 | $textformat = $this->get_format($question->options->correctfeedbackformat); | |
| 1097 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'correctfeedback', $question->id); | |
| 1098 | $expout .= " <correctfeedback format=\"$textformat\">\n"; | |
| 1099 | $expout .= $this->writetext($question->options->correctfeedback, 3); | |
| 1100 | $expout .= $this->writefiles($files); | |
| 1101 | $expout .= " </correctfeedback>\n"; | |
| 1102 | ||
| 1103 | $textformat = $this->get_format($question->options->partiallycorrectfeedbackformat); | |
| 1104 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'partiallycorrectfeedback', $question->id); | |
| 1105 | $expout .= " <partiallycorrectfeedback format=\"$textformat\">\n"; | |
| 1106 | $expout .= $this->writetext($question->options->partiallycorrectfeedback, 3); | |
| 1107 | $expout .= $this->writefiles($files); | |
| 1108 | $expout .= " </partiallycorrectfeedback>\n"; | |
| 1109 | ||
| 1110 | $textformat = $this->get_format($question->options->incorrectfeedbackformat); | |
| 1111 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'incorrectfeedback', $question->id); | |
| 1112 | $expout .= " <incorrectfeedback format=\"$textformat\">\n"; | |
| 1113 | $expout .= $this->writetext($question->options->incorrectfeedback, 3); | |
| 1114 | $expout .= $this->writefiles($files); | |
| 1115 | $expout .= " </incorrectfeedback>\n"; | |
| 1116 | ||
| 04d8268d | 1117 | $expout .= " <answernumbering>".$this->writetext($question->options->answernumbering, 3)."</answernumbering>\n"; |
| 84769fd8 | 1118 | foreach($question->options->answers as $answer) { |
| 1119 | $percent = $answer->fraction * 100; | |
| 1120 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| cde2709a DC |
1121 | $expout .= $this->writetext($answer->answer,4,false); |
| 1122 | $feedbackformat = $this->get_format($answer->feedbackformat); | |
| 1123 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1124 | $expout .= $this->writetext($answer->feedback,5,false); | |
| 1125 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 84769fd8 | 1126 | $expout .= " </feedback>\n"; |
| 1127 | $expout .= " </answer>\n"; | |
| 1128 | } | |
| 1129 | break; | |
| 1130 | case SHORTANSWER: | |
| cde2709a | 1131 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; |
| 84769fd8 | 1132 | foreach($question->options->answers as $answer) { |
| 1133 | $percent = 100 * $answer->fraction; | |
| 1134 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 1135 | $expout .= $this->writetext( $answer->answer,3,false ); | |
| cde2709a DC |
1136 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1137 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1138 | $expout .= $this->writetext($answer->feedback); | |
| 1139 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 84769fd8 | 1140 | $expout .= " </feedback>\n"; |
| 1141 | $expout .= " </answer>\n"; | |
| 1142 | } | |
| 1143 | break; | |
| 1144 | case NUMERICAL: | |
| 1145 | foreach ($question->options->answers as $answer) { | |
| 1146 | $tolerance = $answer->tolerance; | |
| 55c54868 | 1147 | $percent = 100 * $answer->fraction; |
| 1148 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 1149 | // <text> tags are an added feature, old filed won't have them | |
| 1150 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 84769fd8 | 1151 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| cde2709a DC |
1152 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1153 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1154 | $expout .= $this->writetext($answer->feedback); | |
| 1155 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1156 | $expout .= " </feedback>\n"; | |
| 55c54868 | 1157 | // fraction tag is deprecated |
| 1158 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 84769fd8 | 1159 | $expout .= "</answer>\n"; |
| 1160 | } | |
| 1161 | ||
| 1162 | $units = $question->options->units; | |
| 1163 | if (count($units)) { | |
| 1164 | $expout .= "<units>\n"; | |
| 1165 | foreach ($units as $unit) { | |
| 1166 | $expout .= " <unit>\n"; | |
| 1167 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1168 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1169 | $expout .= " </unit>\n"; | |
| 1170 | } | |
| 1171 | $expout .= "</units>\n"; | |
| 1172 | } | |
| ac582c3b PP |
1173 | if (isset($question->options->unitgradingtype)) { |
| 1174 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; | |
| 1175 | } | |
| 1176 | if (isset($question->options->unitpenalty)) { | |
| 1177 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; | |
| 1178 | } | |
| 1179 | if (isset($question->options->showunits)) { | |
| 1180 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; | |
| 1181 | } | |
| 1182 | if (isset($question->options->unitsleft)) { | |
| 1183 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; | |
| 1184 | } | |
| cde2709a DC |
1185 | if (!empty($question->options->instructionsformat)) { |
| 1186 | $textformat = $this->get_format($question->options->instructionsformat); | |
| 1187 | $files = $fs->get_area_files($contextid, 'qtype_numerical', 'instruction', $question->id); | |
| 1188 | $expout .= " <instructions format=\"$textformat\">\n"; | |
| 1189 | $expout .= $this->writetext($question->options->instructions, 3); | |
| 1190 | $expout .= $this->writefiles($files); | |
| 1191 | $expout .= " </instructions>\n"; | |
| 1192 | } | |
| 84769fd8 | 1193 | break; |
| 1194 | case MATCH: | |
| 1195 | foreach($question->options->subquestions as $subquestion) { | |
| cde2709a DC |
1196 | $files = $fs->get_area_files($contextid, 'qtype_match', 'subquestion', $subquestion->id); |
| 1197 | $textformat = $this->get_format($subquestion->questiontextformat); | |
| 1198 | $expout .= "<subquestion format=\"$textformat\">\n"; | |
| 1199 | $expout .= $this->writetext($subquestion->questiontext); | |
| 1200 | $expout .= $this->writefiles($files); | |
| 1201 | $expout .= "<answer>"; | |
| 1202 | $expout .= $this->writetext($subquestion->answertext); | |
| 1203 | $expout .= "</answer>\n"; | |
| 84769fd8 | 1204 | $expout .= "</subquestion>\n"; |
| 1205 | } | |
| 1206 | break; | |
| 1207 | case DESCRIPTION: | |
| c81415c7 | 1208 | // nothing more to do for this type |
| 84769fd8 | 1209 | break; |
| 1210 | case MULTIANSWER: | |
| 7b8bc256 | 1211 | $a_count=1; |
| 1212 | foreach($question->options->questions as $question) { | |
| 9cc41dfd | 1213 | $thispattern = preg_quote("{#".$a_count."}"); //TODO: is this really necessary? |
| 7b8bc256 | 1214 | $thisreplace = $question->questiontext; |
| 6dbcacee | 1215 | $expout=preg_replace("~$thispattern~", $thisreplace, $expout ); |
| 7b8bc256 | 1216 | $a_count++; |
| 1217 | } | |
| 1218 | break; | |
| c81415c7 | 1219 | case ESSAY: |
| 33ed59a2 | 1220 | if (!empty($question->options->answers)) { |
| 1221 | foreach ($question->options->answers as $answer) { | |
| 1222 | $percent = 100 * $answer->fraction; | |
| 1223 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| cde2709a DC |
1224 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1225 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1226 | $expout .= $this->writetext($answer->feedback); | |
| 1227 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1228 | $expout .= " </feedback>\n"; | |
| 33ed59a2 | 1229 | // fraction tag is deprecated |
| 1230 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 1231 | $expout .= "</answer>\n"; | |
| 1232 | } | |
| c81415c7 | 1233 | } |
| 725ba2a0 | 1234 | break; |
| 1235 | case CALCULATED: | |
| 9c1c6c7f | 1236 | case CALCULATEDSIMPLE: |
| 04d8268d PP |
1237 | case CALCULATEDMULTI: |
| 1238 | $expout .= " <synchronize>{$question->options->synchronize}</synchronize>\n"; | |
| 1239 | $expout .= " <single>{$question->options->single}</single>\n"; | |
| 1240 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; | |
| 1241 | $expout .= " <shuffleanswers>".$this->writetext($question->options->shuffleanswers, 3)."</shuffleanswers>\n"; | |
| cde2709a DC |
1242 | |
| 1243 | $component = 'qtype_' . $question->qtype; | |
| 1244 | $files = $fs->get_area_files($contextid, $component, 'correctfeedback', $question->id); | |
| 1245 | $expout .= " <correctfeedback>\n"; | |
| 1246 | $expout .= $this->writetext($question->options->correctfeedback, 3); | |
| 1247 | $expout .= $this->writefiles($files); | |
| 1248 | $expout .= " </correctfeedback>\n"; | |
| 1249 | ||
| 1250 | $files = $fs->get_area_files($contextid, $component, 'partiallycorrectfeedback', $question->id); | |
| 1251 | $expout .= " <partiallycorrectfeedback>\n"; | |
| 1252 | $expout .= $this->writetext($question->options->partiallycorrectfeedback, 3); | |
| 1253 | $expout .= $this->writefiles($files); | |
| 1254 | $expout .= " </partiallycorrectfeedback>\n"; | |
| 1255 | ||
| 1256 | $files = $fs->get_area_files($contextid, $component, 'incorrectfeedback', $question->id); | |
| 1257 | $expout .= " <incorrectfeedback>\n"; | |
| 1258 | $expout .= $this->writetext($question->options->incorrectfeedback, 3); | |
| 1259 | $expout .= $this->writefiles($files); | |
| 1260 | $expout .= " </incorrectfeedback>\n"; | |
| 1261 | ||
| 725ba2a0 | 1262 | foreach ($question->options->answers as $answer) { |
| 1263 | $tolerance = $answer->tolerance; | |
| 1264 | $tolerancetype = $answer->tolerancetype; | |
| 1265 | $correctanswerlength= $answer->correctanswerlength ; | |
| 1266 | $correctanswerformat= $answer->correctanswerformat; | |
| 1267 | $percent = 100 * $answer->fraction; | |
| 1268 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 1269 | // "<text/>" tags are an added feature, old files won't have them | |
| 1270 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 1271 | $expout .= " <tolerance>$tolerance</tolerance>\n"; | |
| 1272 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; | |
| 1273 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; | |
| a800639b | 1274 | $expout .= " <correctanswerlength>$correctanswerlength</correctanswerlength>\n"; |
| cde2709a DC |
1275 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1276 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1277 | $expout .= $this->writetext($answer->feedback); | |
| 1278 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1279 | $expout .= " </feedback>\n"; | |
| 725ba2a0 | 1280 | $expout .= "</answer>\n"; |
| 1281 | } | |
| ac582c3b | 1282 | if (isset($question->options->unitgradingtype)) { |
| cde2709a DC |
1283 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; |
| 1284 | } | |
| ac582c3b | 1285 | if (isset($question->options->unitpenalty)) { |
| cde2709a DC |
1286 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; |
| 1287 | } | |
| ac582c3b | 1288 | if (isset($question->options->showunits)) { |
| cde2709a DC |
1289 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; |
| 1290 | } | |
| ac582c3b | 1291 | if (isset($question->options->unitsleft)) { |
| cde2709a DC |
1292 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; |
| 1293 | } | |
| 1294 | ||
| ac582c3b | 1295 | if (isset($question->options->instructionsformat)) { |
| cde2709a DC |
1296 | $textformat = $this->get_format($question->options->instructionsformat); |
| 1297 | $files = $fs->get_area_files($contextid, $component, 'instruction', $question->id); | |
| 1298 | $expout .= " <instructions format=\"$textformat\">\n"; | |
| 1299 | $expout .= $this->writetext($question->options->instructions, 3); | |
| 1300 | $expout .= $this->writefiles($files); | |
| 1301 | $expout .= " </instructions>\n"; | |
| 1302 | } | |
| 1303 | ||
| 1304 | if (isset($question->options->units)) { | |
| 1305 | $units = $question->options->units; | |
| 1306 | if (count($units)) { | |
| 1307 | $expout .= "<units>\n"; | |
| 1308 | foreach ($units as $unit) { | |
| 1309 | $expout .= " <unit>\n"; | |
| 1310 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1311 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1312 | $expout .= " </unit>\n"; | |
| 1313 | } | |
| 1314 | $expout .= "</units>\n"; | |
| 725ba2a0 | 1315 | } |
| cde2709a | 1316 | } |
| 9c1c6c7f | 1317 | //The tag $question->export_process has been set so we get all the data items in the database |
| 1318 | // from the function $QTYPES['calculated']->get_question_options(&$question); | |
| 1319 | // calculatedsimple defaults to calculated | |
| c9e4ba36 | 1320 | if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be |
| 725ba2a0 | 1321 | $expout .= "<dataset_definitions>\n"; |
| c9e4ba36 | 1322 | foreach ($question->options->datasets as $def) { |
| 725ba2a0 | 1323 | $expout .= "<dataset_definition>\n"; |
| 1324 | $expout .= " <status>".$this->writetext($def->status)."</status>\n"; | |
| 1325 | $expout .= " <name>".$this->writetext($def->name)."</name>\n"; | |
| 9c1c6c7f | 1326 | if ( $question->qtype == CALCULATED){ |
| 1327 | $expout .= " <type>calculated</type>\n"; | |
| 1328 | }else { | |
| 1329 | $expout .= " <type>calculatedsimple</type>\n"; | |
| 1330 | } | |
| 725ba2a0 | 1331 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1332 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; | |
| 1333 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; | |
| 88bc20c3 | 1334 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 725ba2a0 | 1335 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1336 | if ($def->itemcount > 0 ) { | |
| 1337 | $expout .= " <dataset_items>\n"; | |
| 1338 | foreach ($def->items as $item ){ | |
| 1339 | $expout .= " <dataset_item>\n"; | |
| 1340 | $expout .= " <number>".$item->itemnumber."</number>\n"; | |
| 1341 | $expout .= " <value>".$item->value."</value>\n"; | |
| 1342 | $expout .= " </dataset_item>\n"; | |
| 88bc20c3 | 1343 | } |
| 725ba2a0 | 1344 | $expout .= " </dataset_items>\n"; |
| 1345 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; | |
| 1346 | } | |
| 1347 | $expout .= "</dataset_definition>\n"; | |
| 88bc20c3 | 1348 | } |
| 1349 | $expout .= "</dataset_definitions>\n"; | |
| 1350 | } | |
| c81415c7 | 1351 | break; |
| 84769fd8 | 1352 | default: |
| a41e3287 | 1353 | // try support by optional plugin |
| 88bc20c3 | 1354 | if (!$data = $this->try_exporting_using_qtypes( $question->qtype, $question )) { |
| fef8f84e | 1355 | echo $OUTPUT->notification( get_string( 'unsupportedexport','qformat_xml',$QTYPES[$question->qtype]->local_name() ) ); |
| a41e3287 | 1356 | } |
| 392238d6 | 1357 | $expout .= $data; |
| 84769fd8 | 1358 | } |
| 1359 | ||
| 1360 | // close the question tag | |
| 1361 | $expout .= "</question>\n"; | |
| 1362 | ||
| cde2709a DC |
1363 | // XXX: debuging |
| 1364 | //echo '<textarea cols=100 rows=20>'; | |
| 1365 | //echo $expout; | |
| 1366 | //echo '</textarea>'; | |
| 1367 | ||
| 84769fd8 | 1368 | return $expout; |
| 1369 | } | |
| 1370 | } |
