| 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($CFG->libdir . '/xmlize.php'); |
| 84769fd8 | 37 | |
| f5565b69 | 38 | class qformat_xml extends qformat_default { |
| 84769fd8 | 39 | |
| 40 | function provide_import() { | |
| 41 | return true; | |
| 42 | } | |
| 43 | ||
| 44 | function provide_export() { | |
| 45 | return true; | |
| 46 | } | |
| 47 | ||
| 46732124 TH |
48 | function mime_type() { |
| 49 | return 'application/xml'; | |
| 50 | } | |
| 51 | ||
| 84769fd8 | 52 | // IMPORT FUNCTIONS START HERE |
| 53 | ||
| 88bc20c3 | 54 | /** |
| c81415c7 | 55 | * Translate human readable format name |
| 56 | * into internal Moodle code number | |
| 6e557c08 | 57 | * @param string name format name from xml file |
| 58 | * @return int Moodle format code | |
| c81415c7 | 59 | */ |
| 2ed80177 | 60 | function trans_format($name) { |
| 88bc20c3 | 61 | $name = trim($name); |
| 62 | ||
| 2ed80177 | 63 | if ($name == 'moodle_auto_format') { |
| 84769fd8 | 64 | $id = 0; |
| 2ed80177 | 65 | } else if ($name == 'html') { |
| 84769fd8 | 66 | $id = 1; |
| 2ed80177 | 67 | } else if ($name == 'plain_text') { |
| 84769fd8 | 68 | $id = 2; |
| 2ed80177 | 69 | } else if ($name == 'wiki_like') { |
| 84769fd8 | 70 | $id = 3; |
| 2ed80177 | 71 | } else if ($name == 'markdown') { |
| 84769fd8 | 72 | $id = 4; |
| 2ed80177 | 73 | } else { |
| 84769fd8 | 74 | $id = 0; // or maybe warning required |
| 75 | } | |
| 76 | return $id; | |
| 77 | } | |
| 78 | ||
| 6e557c08 | 79 | /** |
| c81415c7 | 80 | * Translate human readable single answer option |
| 81 | * to internal code number | |
| 6e557c08 | 82 | * @param string name true/false |
| 83 | * @return int internal code number | |
| c81415c7 | 84 | */ |
| 84769fd8 | 85 | function trans_single( $name ) { |
| 2da44816 | 86 | $name = trim($name); |
| 87 | if ($name == "false" || !$name) { | |
| 88 | return 0; | |
| 89 | } else { | |
| 90 | return 1; | |
| 91 | } | |
| 84769fd8 | 92 | } |
| 93 | ||
| 6e557c08 | 94 | /** |
| c81415c7 | 95 | * process text string from xml file |
| 6e557c08 | 96 | * @param array $text bit of xml tree after ['text'] |
| 97 | * @return string processed text | |
| c81415c7 | 98 | */ |
| 84769fd8 | 99 | function import_text( $text ) { |
| 17102269 | 100 | // quick sanity check |
| 101 | if (empty($text)) { | |
| 102 | return ''; | |
| 103 | } | |
| 84769fd8 | 104 | $data = $text[0]['#']; |
| 294ce987 | 105 | return trim($data); |
| 84769fd8 | 106 | } |
| 107 | ||
| 46013523 | 108 | /** |
| 109 | * return the value of a node, given a path to the node | |
| 110 | * if it doesn't exist return the default value | |
| 111 | * @param array xml data to read | |
| 88bc20c3 | 112 | * @param array path path to node expressed as array |
| 113 | * @param mixed default | |
| 46013523 | 114 | * @param bool istext process as text |
| 115 | * @param string error if set value must exist, return false and issue message if not | |
| 116 | * @return mixed value | |
| 117 | */ | |
| cde2709a | 118 | function getpath($xml, $path, $default, $istext=false, $error='') { |
| 46013523 | 119 | foreach ($path as $index) { |
| 228b6f6b | 120 | if (!isset($xml[$index])) { |
| 46013523 | 121 | if (!empty($error)) { |
| 122 | $this->error( $error ); | |
| 123 | return false; | |
| 124 | } else { | |
| 125 | return $default; | |
| 126 | } | |
| 127 | } | |
| 128 | else $xml = $xml[$index]; | |
| 129 | } | |
| 130 | if ($istext) { | |
| fc22da99 | 131 | if (!is_string($xml)) { |
| c95defa9 | 132 | $this->error( get_string('invalidxml','qformat_xml') ); |
| fc22da99 | 133 | } |
| cde2709a | 134 | $xml = trim($xml); |
| 46013523 | 135 | } |
| 136 | ||
| 137 | return $xml; | |
| 138 | } | |
| 139 | ||
| 140 | ||
| 6e557c08 | 141 | /** |
| c81415c7 | 142 | * import parts of question common to all types |
| e7ef42f5 | 143 | * @param $question array question question array from xml tree |
| 6e557c08 | 144 | * @return object question object |
| c81415c7 | 145 | */ |
| cde2709a | 146 | function import_headers($question) { |
| 46013523 | 147 | // get some error strings |
| cde2709a DC |
148 | $error_noname = get_string('xmlimportnoname','quiz'); |
| 149 | $error_noquestion = get_string('xmlimportnoquestion','quiz'); | |
| 46013523 | 150 | |
| 84769fd8 | 151 | // this routine initialises the question object |
| 5bed54e1 | 152 | $qo = $this->defaultquestion(); |
| 84769fd8 | 153 | |
| 46013523 | 154 | // question name |
| 155 | $qo->name = $this->getpath( $question, array('#','name',0,'#','text',0,'#'), '', true, $error_noname ); | |
| cde2709a | 156 | $qo->questiontext = $this->getpath($question, array('#','questiontext',0,'#','text',0,'#'), '', true ); |
| 2ed80177 TH |
157 | $qo->questiontextformat = $this->trans_format( |
| 158 | $this->getpath($question, array('#','questiontext',0,'@','format'), 'moodle_auto_format')); | |
| cde2709a | 159 | $qo->image = $this->getpath($question, array('#','image',0,'#'), $qo->image ); |
| 46013523 | 160 | $image_base64 = $this->getpath( $question, array('#','image_base64','0','#'),'' ); |
| 161 | if (!empty($image_base64)) { | |
| cde2709a | 162 | $qo->image = $this->importimagefile($qo->image, $image_base64); |
| 46013523 | 163 | } |
| cde2709a DC |
164 | |
| 165 | $qo->questiontextfiles = array(); | |
| 166 | ||
| 167 | // restore files in questiontext | |
| 168 | $files = $this->getpath($question, array('#', 'questiontext', 0, '#','file'), array(), false); | |
| 169 | foreach ($files as $file) { | |
| 170 | $data = new stdclass; | |
| 171 | $data->content = $file['#']; | |
| 172 | $data->encoding = $file['@']['encoding']; | |
| 173 | $data->name = $file['@']['name']; | |
| 174 | $qo->questiontextfiles[] = $data; | |
| 175 | } | |
| 176 | ||
| 177 | // restore files in generalfeedback | |
| 178 | $qo->generalfeedback = $this->getpath($question, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true); | |
| 179 | $qo->generalfeedbackfiles = array(); | |
| 2ed80177 TH |
180 | $qo->generalfeedbackformat = $this->trans_format( |
| 181 | $this->getpath($question, array('#', 'generalfeedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
182 | $files = $this->getpath($question, array('#', 'generalfeedback', 0, '#', 'file'), array(), false); |
| 183 | foreach ($files as $file) { | |
| 184 | $data = new stdclass; | |
| 185 | $data->content = $file['#']; | |
| 186 | $data->encoding = $file['@']['encoding']; | |
| 187 | $data->name = $file['@']['name']; | |
| 188 | $qo->generalfeedbackfiles[] = $data; | |
| 189 | } | |
| 190 | ||
| 46013523 | 191 | $qo->defaultgrade = $this->getpath( $question, array('#','defaultgrade',0,'#'), $qo->defaultgrade ); |
| 192 | $qo->penalty = $this->getpath( $question, array('#','penalty',0,'#'), $qo->penalty ); | |
| 84769fd8 | 193 | |
| 194 | return $qo; | |
| 195 | } | |
| 196 | ||
| 6e557c08 | 197 | /** |
| c81415c7 | 198 | * import the common parts of a single answer |
| 6e557c08 | 199 | * @param array answer xml tree for single answer |
| 200 | * @return object answer object | |
| 88bc20c3 | 201 | */ |
| cde2709a DC |
202 | function import_answer($answer) { |
| 203 | $fraction = $this->getpath($answer, array('@', 'fraction'), 0); | |
| 204 | $answertext = $this->getpath($answer, array('#', 'text', 0, '#'), '', true); | |
| 2ed80177 TH |
205 | $answerformat = $this->trans_format($this->getpath($answer, |
| 206 | array('#', 'text', 0, '#'), 'moodle_auto_format')); | |
| cde2709a DC |
207 | $answerfiles = array(); |
| 208 | $files = $this->getpath($answer, array('#', 'answer', 0, '#', 'file'), array()); | |
| 209 | foreach ($files as $file) { | |
| 210 | $data = new stdclass; | |
| 211 | $data->content = $file['#']; | |
| 212 | $data->name = $file['@']['name']; | |
| 213 | $data->encoding = $file['@']['encoding']; | |
| 214 | $answerfiles[] = $data; | |
| 215 | } | |
| 216 | ||
| 217 | $feedbacktext = $this->getpath($answer, array('#', 'feedback', 0, '#', 'text', 0, '#'), '', true); | |
| 2ed80177 TH |
218 | $feedbackformat = $this->trans_format($this->getpath($answer, |
| 219 | array('#', 'feedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
220 | $feedbackfiles = array(); |
| 221 | $files = $this->getpath($answer, array('#', 'feedback', 0, '#', 'file'), array()); | |
| 222 | foreach ($files as $file) { | |
| 223 | $data = new stdclass; | |
| 224 | $data->content = $file['#']; | |
| 225 | $data->name = $file['@']['name']; | |
| 226 | $data->encoding = $file['@']['encoding']; | |
| 227 | $feedbackfiles[] = $data; | |
| 228 | } | |
| 229 | ||
| 230 | $ans = new stdclass; | |
| 231 | ||
| 232 | $ans->answer = array(); | |
| 233 | $ans->answer['text'] = $answertext; | |
| 234 | $ans->answer['format'] = $answerformat; | |
| 235 | $ans->answer['files'] = $answerfiles; | |
| 236 | ||
| 237 | $ans->feedback = array(); | |
| 238 | $ans->feedback['text'] = $feedbacktext; | |
| 239 | $ans->feedback['format'] = $feedbackformat; | |
| 240 | $ans->feedback['files'] = $feedbackfiles; | |
| 84769fd8 | 241 | |
| 84769fd8 | 242 | $ans->fraction = $fraction / 100; |
| 84769fd8 | 243 | return $ans; |
| 244 | } | |
| 245 | ||
| 6e557c08 | 246 | /** |
| 88bc20c3 | 247 | * import multiple choice question |
| 6e557c08 | 248 | * @param array question question array from xml tree |
| 249 | * @return object question object | |
| c81415c7 | 250 | */ |
| cde2709a | 251 | function import_multichoice($question) { |
| 84769fd8 | 252 | // get common parts |
| cde2709a | 253 | $qo = $this->import_headers($question); |
| 84769fd8 | 254 | |
| 255 | // 'header' parts particular to multichoice | |
| 256 | $qo->qtype = MULTICHOICE; | |
| 81a7a02b | 257 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 84769fd8 | 258 | $qo->single = $this->trans_single( $single ); |
| 81a7a02b | 259 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); |
| 2377f8dc | 260 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); |
| 2da44816 | 261 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); |
| cde2709a DC |
262 | |
| 263 | $qo->correctfeedback = array(); | |
| 264 | $qo->correctfeedback['text'] = $this->getpath($question, array('#', 'correctfeedback', 0, '#', 'text', 0, '#'), '', true); | |
| 2ed80177 TH |
265 | $qo->correctfeedback['format'] = $this->trans_format( |
| 266 | $this->getpath($question, array('#', 'correctfeedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
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 ); | |
| 2ed80177 TH |
280 | $qo->partiallycorrectfeedback['format'] = $this->trans_format( |
| 281 | $this->getpath($question, array('#', 'partiallycorrectfeedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
282 | $qo->partiallycorrectfeedback['files'] = array(); |
| 283 | // restore files in partiallycorrectfeedback | |
| 284 | $files = $this->getpath($question, array('#', 'partiallycorrectfeedback', 0, '#','file'), array(), false); | |
| 285 | foreach ($files as $file) { | |
| 286 | $data = new stdclass; | |
| 287 | $data->content = $file['#']; | |
| 288 | $data->encoding = $file['@']['encoding']; | |
| 289 | $data->name = $file['@']['name']; | |
| 290 | $qo->partiallycorrectfeedback['files'][] = $data; | |
| 291 | } | |
| 292 | ||
| 293 | $qo->incorrectfeedback = array(); | |
| 294 | $qo->incorrectfeedback['text'] = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 2ed80177 TH |
295 | $qo->incorrectfeedback['format'] = $this->trans_format( |
| 296 | $this->getpath($question, array('#', 'incorrectfeedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
297 | $qo->incorrectfeedback['files'] = array(); |
| 298 | // restore files in incorrectfeedback | |
| 299 | $files = $this->getpath($question, array('#', 'incorrectfeedback', 0, '#','file'), array(), false); | |
| 300 | foreach ($files as $file) { | |
| 301 | $data = new stdclass; | |
| 302 | $data->content = $file['#']; | |
| 303 | $data->encoding = $file['@']['encoding']; | |
| 304 | $data->name = $file['@']['name']; | |
| 305 | $qo->incorrectfeedback['files'][] = $data; | |
| 306 | } | |
| c0ffeb39 | 307 | |
| 308 | // There was a time on the 1.8 branch when it could output an empty answernumbering tag, so fix up any found. | |
| 309 | if (empty($qo->answernumbering)) { | |
| 310 | $qo->answernumbering = 'abc'; | |
| 311 | } | |
| 312 | ||
| 84769fd8 | 313 | // run through the answers |
| 88bc20c3 | 314 | $answers = $question['#']['answer']; |
| 84769fd8 | 315 | $a_count = 0; |
| 316 | foreach ($answers as $answer) { | |
| cde2709a | 317 | $ans = $this->import_answer($answer); |
| 84769fd8 | 318 | $qo->answer[$a_count] = $ans->answer; |
| 319 | $qo->fraction[$a_count] = $ans->fraction; | |
| 320 | $qo->feedback[$a_count] = $ans->feedback; | |
| 321 | ++$a_count; | |
| 322 | } | |
| cde2709a | 323 | |
| 84769fd8 | 324 | return $qo; |
| 325 | } | |
| 326 | ||
| 6e557c08 | 327 | /** |
| c81415c7 | 328 | * import cloze type question |
| 6e557c08 | 329 | * @param array question question array from xml tree |
| 330 | * @return object question object | |
| c81415c7 | 331 | */ |
| 7b8bc256 | 332 | function import_multianswer( $questions ) { |
| c8fdd867 PP |
333 | $questiontext = array(); |
| 334 | $questiontext['text'] = $this->import_text($questions['#']['questiontext'][0]['#']['text']); | |
| 335 | $questiontext['format'] = '1'; | |
| 336 | $questiontext['itemid'] = ''; | |
| 337 | $qo = qtype_multianswer_extract_question($questiontext); | |
| 7b8bc256 | 338 | |
| 339 | // 'header' parts particular to multianswer | |
| 340 | $qo->qtype = MULTIANSWER; | |
| 341 | $qo->course = $this->course; | |
| c8fdd867 PP |
342 | $qo->generalfeedback = '' ; |
| 343 | // restore files in generalfeedback | |
| 344 | $qo->generalfeedback = $this->getpath($questions, array('#','generalfeedback',0,'#','text',0,'#'), $qo->generalfeedback, true); | |
| 345 | $qo->generalfeedbackfiles = array(); | |
| 346 | $qo->generalfeedbackformat = $this->trans_format( | |
| 347 | $this->getpath($questions, array('#', 'generalfeedback', 0, '@', 'format'), 'moodle_auto_format')); | |
| 348 | $files = $this->getpath($questions, array('#', 'generalfeedback', 0, '#', 'file'), array(), false); | |
| 349 | foreach ($files as $file) { | |
| 350 | $data = new stdclass; | |
| 351 | $data->content = $file['#']; | |
| 352 | $data->encoding = $file['@']['encoding']; | |
| 353 | $data->name = $file['@']['name']; | |
| 354 | $qo->generalfeedbackfiles[] = $data; | |
| 355 | } | |
| 71ffbac2 | 356 | if (!empty($questions)) { |
| 7b8bc256 | 357 | $qo->name = $this->import_text( $questions['#']['name'][0]['#']['text'] ); |
| 358 | } | |
| c8fdd867 PP |
359 | $qo->questiontext = $qo->questiontext['text'] ; |
| 360 | $qo->questiontextformat = '' ; | |
| 7b8bc256 | 361 | |
| 362 | return $qo; | |
| 363 | } | |
| 364 | ||
| 6e557c08 | 365 | /** |
| c81415c7 | 366 | * import true/false type question |
| 6e557c08 | 367 | * @param array question question array from xml tree |
| 368 | * @return object question object | |
| c81415c7 | 369 | */ |
| 84769fd8 | 370 | function import_truefalse( $question ) { |
| 84769fd8 | 371 | // get common parts |
| fef8f84e | 372 | global $OUTPUT; |
| 84769fd8 | 373 | $qo = $this->import_headers( $question ); |
| 374 | ||
| 375 | // 'header' parts particular to true/false | |
| 376 | $qo->qtype = TRUEFALSE; | |
| 377 | ||
| 378 | // get answer info | |
| 3246ed33 | 379 | // |
| 380 | // In the past, it used to be assumed that the two answers were in the file | |
| 381 | // true first, then false. Howevever that was not always true. Now, we | |
| 382 | // try to match on the answer text, but in old exports, this will be a localised | |
| 383 | // string, so if we don't find true or false, we fall back to the old system. | |
| 384 | $first = true; | |
| 385 | $warning = false; | |
| 386 | foreach ($question['#']['answer'] as $answer) { | |
| 2ed80177 | 387 | $answertext = $this->getpath( $answer, array('#','text',0,'#'), '', true); |
| cde2709a | 388 | $feedback = $this->getpath($answer, array('#','feedback',0,'#','text',0,'#'), '', true); |
| 2ed80177 TH |
389 | $feedbackformat = $this->getpath($answer, array('#','feedback',0, '@', 'format'), 'moodle_auto_format'); |
| 390 | $feedbackfiles = $this->getpath($answer, array('#', 'feedback', 0, '#', 'file'), array()); | |
| cde2709a DC |
391 | $files = array(); |
| 392 | foreach ($feedbackfiles as $file) { | |
| 393 | $data = new stdclass; | |
| 394 | $data->content = $file['#']; | |
| 395 | $data->encoding = $file['@']['encoding']; | |
| 396 | $data->name = $file['@']['name']; | |
| 397 | $files[] = $data; | |
| 398 | } | |
| 3246ed33 | 399 | if ($answertext != 'true' && $answertext != 'false') { |
| 400 | $warning = true; | |
| 401 | $answertext = $first ? 'true' : 'false'; // Old style file, assume order is true/false. | |
| 88bc20c3 | 402 | } |
| 3246ed33 | 403 | if ($answertext == 'true') { |
| 404 | $qo->answer = ($answer['@']['fraction'] == 100); | |
| 7939a4a0 | 405 | $qo->correctanswer = $qo->answer; |
| cde2709a DC |
406 | $qo->feedbacktrue = array(); |
| 407 | $qo->feedbacktrue['text'] = $feedback; | |
| 408 | $qo->feedbacktrue['format'] = $this->trans_format($feedbackformat); | |
| 409 | $qo->feedbacktrue['itemid'] = null; | |
| 410 | $qo->feedbacktruefiles = $files; | |
| 3246ed33 | 411 | } else { |
| 412 | $qo->answer = ($answer['@']['fraction'] != 100); | |
| 7939a4a0 | 413 | $qo->correctanswer = $qo->answer; |
| cde2709a DC |
414 | $qo->feedbackfalse = array(); |
| 415 | $qo->feedbackfalse['text'] = $feedback; | |
| 416 | $qo->feedbackfalse['format'] = $this->trans_format($feedbackformat); | |
| 417 | $qo->feedbackfalse['itemid'] = null; | |
| 418 | $qo->feedbackfalsefiles = $files; | |
| 3246ed33 | 419 | } |
| 420 | $first = false; | |
| 84769fd8 | 421 | } |
| 3246ed33 | 422 | |
| 423 | if ($warning) { | |
| 424 | $a = new stdClass; | |
| 55c54868 | 425 | $a->questiontext = $qo->questiontext; |
| 3246ed33 | 426 | $a->answer = get_string($qo->answer ? 'true' : 'false', 'quiz'); |
| fef8f84e | 427 | echo $OUTPUT->notification(get_string('truefalseimporterror', 'quiz', $a)); |
| 84769fd8 | 428 | } |
| 84769fd8 | 429 | return $qo; |
| 430 | } | |
| 431 | ||
| 6e557c08 | 432 | /** |
| c81415c7 | 433 | * import short answer type question |
| 6e557c08 | 434 | * @param array question question array from xml tree |
| 435 | * @return object question object | |
| c81415c7 | 436 | */ |
| 84769fd8 | 437 | function import_shortanswer( $question ) { |
| 84769fd8 | 438 | // get common parts |
| 439 | $qo = $this->import_headers( $question ); | |
| 440 | ||
| 441 | // header parts particular to shortanswer | |
| 442 | $qo->qtype = SHORTANSWER; | |
| 443 | ||
| 444 | // get usecase | |
| 46013523 | 445 | $qo->usecase = $this->getpath($question, array('#','usecase',0,'#'), $qo->usecase ); |
| 84769fd8 | 446 | |
| 447 | // run through the answers | |
| 88bc20c3 | 448 | $answers = $question['#']['answer']; |
| 84769fd8 | 449 | $a_count = 0; |
| 450 | foreach ($answers as $answer) { | |
| 69988ed4 TH |
451 | $ans = $this->import_answer($answer); |
| 452 | $qo->answer[$a_count] = $ans->answer['text']; | |
| 84769fd8 | 453 | $qo->fraction[$a_count] = $ans->fraction; |
| 454 | $qo->feedback[$a_count] = $ans->feedback; | |
| 455 | ++$a_count; | |
| 456 | } | |
| 457 | ||
| 458 | return $qo; | |
| 459 | } | |
| 88bc20c3 | 460 | |
| 6e557c08 | 461 | /** |
| c81415c7 | 462 | * import description type question |
| 6e557c08 | 463 | * @param array question question array from xml tree |
| 464 | * @return object question object | |
| c81415c7 | 465 | */ |
| 7b8bc256 | 466 | function import_description( $question ) { |
| 467 | // get common parts | |
| 468 | $qo = $this->import_headers( $question ); | |
| 469 | // header parts particular to shortanswer | |
| 470 | $qo->qtype = DESCRIPTION; | |
| 3f5633df | 471 | $qo->defaultgrade = 0; |
| 472 | $qo->length = 0; | |
| 7b8bc256 | 473 | return $qo; |
| 474 | } | |
| 84769fd8 | 475 | |
| 6e557c08 | 476 | /** |
| c81415c7 | 477 | * import numerical type question |
| 6e557c08 | 478 | * @param array question question array from xml tree |
| 479 | * @return object question object | |
| c81415c7 | 480 | */ |
| 2ed80177 | 481 | function import_numerical($question) { |
| 84769fd8 | 482 | // get common parts |
| 2ed80177 | 483 | $qo = $this->import_headers($question); |
| 84769fd8 | 484 | |
| 485 | // header parts particular to numerical | |
| 486 | $qo->qtype = NUMERICAL; | |
| 487 | ||
| 488 | // get answers array | |
| 489 | $answers = $question['#']['answer']; | |
| 490 | $qo->answer = array(); | |
| 491 | $qo->feedback = array(); | |
| 492 | $qo->fraction = array(); | |
| 493 | $qo->tolerance = array(); | |
| 494 | foreach ($answers as $answer) { | |
| 55c54868 | 495 | // answer outside of <text> is deprecated |
| cde2709a | 496 | $obj = $this->import_answer($answer); |
| 69988ed4 | 497 | $qo->answer[] = $obj->answer['text']; |
| 81a7a02b | 498 | if (empty($qo->answer)) { |
| 499 | $qo->answer = '*'; | |
| 55c54868 | 500 | } |
| 2ed80177 TH |
501 | $qo->feedback[] = $obj->feedback; |
| 502 | $qo->tolerance[] = $this->getpath($answer, array('#', 'tolerance', 0, '#'), 0); | |
| 55c54868 | 503 | |
| 504 | // fraction as a tag is deprecated | |
| 2ed80177 TH |
505 | $fraction = $this->getpath($answer, array('@', 'fraction'), 0) / 100; |
| 506 | $qo->fraction[] = $this->getpath($answer, array('#', 'fraction', 0, '#'), $fraction); // deprecated | |
| 84769fd8 | 507 | } |
| 508 | ||
| 509 | // get units array | |
| 84769fd8 | 510 | $qo->unit = array(); |
| 81a7a02b | 511 | $units = $this->getpath( $question, array('#','units',0,'#','unit'), array() ); |
| 512 | if (!empty($units)) { | |
| a0d187bf | 513 | $qo->multiplier = array(); |
| 514 | foreach ($units as $unit) { | |
| 81a7a02b | 515 | $qo->multiplier[] = $this->getpath( $unit, array('#','multiplier',0,'#'), 1 ); |
| 516 | $qo->unit[] = $this->getpath( $unit, array('#','unit_name',0,'#'), '', true ); | |
| a0d187bf | 517 | } |
| 84769fd8 | 518 | } |
| ac582c3b PP |
519 | $qo->unitgradingtype = $this->getpath( $question, array('#','unitgradingtype',0,'#'), 0 ); |
| 520 | $qo->unitpenalty = $this->getpath( $question, array('#','unitpenalty',0,'#'), 0 ); | |
| 521 | $qo->showunits = $this->getpath( $question, array('#','showunits',0,'#'), 0 ); | |
| 522 | $qo->unitsleft = $this->getpath( $question, array('#','unitsleft',0,'#'), 0 ); | |
| 69988ed4 TH |
523 | $qo->instructions['text'] = ''; |
| 524 | $qo->instructions['format'] = FORMAT_HTML; | |
| cde2709a DC |
525 | $instructions = $this->getpath($question, array('#', 'instructions'), array()); |
| 526 | if (!empty($instructions)) { | |
| 527 | $qo->instructions = array(); | |
| 2ed80177 TH |
528 | $qo->instructions['text'] = $this->getpath($instructions, |
| 529 | array('0', '#', 'text', '0', '#'), '', true); | |
| ae2c091f | 530 | $qo->instructions['format'] = $this->trans_format($this->getpath($instructions, |
| 2ed80177 | 531 | array('0', '@', 'format'), 'moodle_auto_format')); |
| 2ed80177 | 532 | $files = $this->getpath($instructions, array('0', '#', 'file'), array()); |
| ab152de4 | 533 | $qo->instructions['files'] = array(); |
| cde2709a DC |
534 | foreach ($files as $file) { |
| 535 | $data = new stdclass; | |
| 536 | $data->content = $file['#']; | |
| 537 | $data->encoding = $file['@']['encoding']; | |
| 538 | $data->name = $file['@']['name']; | |
| ab152de4 | 539 | $qo->instructions['files'][]= $data; |
| cde2709a DC |
540 | } |
| 541 | } | |
| 84769fd8 | 542 | return $qo; |
| 543 | } | |
| 544 | ||
| 6e557c08 | 545 | /** |
| c81415c7 | 546 | * import matching type question |
| 6e557c08 | 547 | * @param array question question array from xml tree |
| 548 | * @return object question object | |
| c81415c7 | 549 | */ |
| 2ed80177 | 550 | function import_matching($question) { |
| 51bcdf28 | 551 | // get common parts |
| 2ed80177 | 552 | $qo = $this->import_headers($question); |
| 51bcdf28 | 553 | |
| 554 | // header parts particular to matching | |
| 555 | $qo->qtype = MATCH; | |
| 2ed80177 | 556 | $qo->shuffleanswers = $this->getpath($question, array('#', 'shuffleanswers', 0, '#'), 1); |
| 51bcdf28 | 557 | |
| 558 | // get subquestions | |
| 559 | $subquestions = $question['#']['subquestion']; | |
| 560 | $qo->subquestions = array(); | |
| 561 | $qo->subanswers = array(); | |
| 562 | ||
| 563 | // run through subquestions | |
| 564 | foreach ($subquestions as $subquestion) { | |
| cde2709a DC |
565 | $question = array(); |
| 566 | $question['text'] = $this->getpath($subquestion, array('#', 'text', 0, '#'), '', true); | |
| 2ed80177 TH |
567 | $question['format'] = $this->trans_format( |
| 568 | $this->getpath($subquestion, array('@', 'format'), 'moodle_auto_format')); | |
| cde2709a DC |
569 | $question['files'] = array(); |
| 570 | ||
| 571 | $files = $this->getpath($subquestion, array('#', 'file'), array()); | |
| 572 | foreach ($files as $file) { | |
| 573 | $data = new stdclass(); | |
| 574 | $data->content = $file['#']; | |
| 575 | $data->encoding = $file['@']['encoding']; | |
| 576 | $data->name = $file['@']['name']; | |
| 577 | $question['files'][] = $data; | |
| 578 | } | |
| 579 | $qo->subquestions[] = $question; | |
| 580 | $answers = $this->getpath($subquestion, array('#', 'answer'), array()); | |
| 581 | $qo->subanswers[] = $this->getpath($subquestion, array('#','answer',0,'#','text',0,'#'), '', true); | |
| 51bcdf28 | 582 | } |
| 51bcdf28 | 583 | return $qo; |
| 584 | } | |
| 585 | ||
| 6e557c08 | 586 | /** |
| c81415c7 | 587 | * import essay type question |
| 6e557c08 | 588 | * @param array question question array from xml tree |
| 589 | * @return object question object | |
| c81415c7 | 590 | */ |
| 591 | function import_essay( $question ) { | |
| 592 | // get common parts | |
| 593 | $qo = $this->import_headers( $question ); | |
| 594 | ||
| 595 | // header parts particular to essay | |
| 596 | $qo->qtype = ESSAY; | |
| 597 | ||
| 2ed80177 TH |
598 | $answers = $this->getpath($question, array('#', 'answer'), null); |
| 599 | if ($answers) { | |
| 600 | $answer = array_pop($answers); | |
| 601 | $answer = $this->import_answer($answer); | |
| 602 | // get feedback | |
| 603 | $qo->feedback = $answer->feedback; | |
| 604 | } else { | |
| 605 | $qo->feedback = array('text' => '', 'format' => FORMAT_MOODLE, 'files' => array()); | |
| 606 | } | |
| 55c54868 | 607 | |
| 608 | // get fraction - <fraction> tag is deprecated | |
| 2ed80177 TH |
609 | $qo->fraction = $this->getpath($question, array('@','fraction'), 0 ) / 100; |
| 610 | $q0->fraction = $this->getpath($question, array('#','fraction',0,'#'), $qo->fraction ); | |
| c81415c7 | 611 | |
| 612 | return $qo; | |
| 613 | } | |
| 84769fd8 | 614 | |
| ac582c3b | 615 | function import_calculated($question,$qtype) { |
| 04d8268d | 616 | // import calculated question |
| 725ba2a0 | 617 | |
| 618 | // get common parts | |
| 619 | $qo = $this->import_headers( $question ); | |
| 620 | ||
| 04d8268d | 621 | // header parts particular to calculated |
| 725ba2a0 | 622 | $qo->qtype = CALCULATED ;//CALCULATED; |
| 505f7342 | 623 | $qo->synchronize = $this->getpath( $question, array( '#','synchronize',0,'#' ), 0 ); |
| 04d8268d PP |
624 | $single = $this->getpath( $question, array('#','single',0,'#'), 'true' ); |
| 625 | $qo->single = $this->trans_single( $single ); | |
| 626 | $shuffleanswers = $this->getpath( $question, array('#','shuffleanswers',0,'#'), 'false' ); | |
| 627 | $qo->answernumbering = $this->getpath( $question, array('#','answernumbering',0,'#'), 'abc' ); | |
| 628 | $qo->shuffleanswers = $this->trans_single($shuffleanswers); | |
| cde2709a DC |
629 | |
| 630 | $qo->correctfeedback = array(); | |
| 2ed80177 TH |
631 | $qo->correctfeedback['text'] = $this->getpath($question, array('#','correctfeedback',0,'#','text',0,'#'), '', true ); |
| 632 | $qo->correctfeedback['format'] = $this->trans_format($this->getpath( | |
| 633 | $question, array('#', 'correctfeedback', 0, '@', 'formath'), 'moodle_auto_format')); | |
| cde2709a DC |
634 | $qo->correctfeedback['files'] = array(); |
| 635 | ||
| 636 | $files = $this->getpath($question, array('#', 'correctfeedback', '0', '#', 'file'), array()); | |
| 637 | foreach ($files as $file) { | |
| 638 | $data = new stdclass(); | |
| 639 | $data->content = $file['#']; | |
| 640 | $data->name = $file['@']['name']; | |
| 641 | $data->encoding = $file['@']['encoding']; | |
| 642 | $qo->correctfeedback['files'][] = $data; | |
| 643 | } | |
| 644 | ||
| 645 | $qo->partiallycorrectfeedback = array(); | |
| 646 | $qo->partiallycorrectfeedback['text'] = $this->getpath( $question, array('#','partiallycorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 2ed80177 TH |
647 | $qo->partiallycorrectfeedback['format'] = $this->trans_format( |
| 648 | $this->getpath($question, array('#','partiallycorrectfeedback', 0, '@','format'), 'moodle_auto_format')); | |
| cde2709a DC |
649 | $qo->partiallycorrectfeedback['files'] = array(); |
| 650 | ||
| 651 | $files = $this->getpath($question, array('#', 'partiallycorrectfeedback', '0', '#', 'file'), array()); | |
| 652 | foreach ($files as $file) { | |
| 653 | $data = new stdclass(); | |
| 654 | $data->content = $file['#']; | |
| 655 | $data->name = $file['@']['name']; | |
| 656 | $data->encoding = $file['@']['encoding']; | |
| 657 | $qo->partiallycorrectfeedback['files'][] = $data; | |
| 658 | } | |
| 659 | ||
| 660 | $qo->incorrectfeedback = array(); | |
| 661 | $qo->incorrectfeedback['text'] = $this->getpath( $question, array('#','incorrectfeedback',0,'#','text',0,'#'), '', true ); | |
| 2ed80177 TH |
662 | $qo->incorrectfeedback['format'] = $this->trans_format($this->getpath( |
| 663 | $question, array('#','incorrectfeedback', 0, '@','format'), 'moodle_auto_format')); | |
| cde2709a DC |
664 | $qo->incorrectfeedback['files'] = array(); |
| 665 | ||
| 666 | $files = $this->getpath($question, array('#', 'incorrectfeedback', '0', '#', 'file'), array()); | |
| 667 | foreach ($files as $file) { | |
| 668 | $data = new stdclass(); | |
| 669 | $data->content = $file['#']; | |
| 670 | $data->name = $file['@']['name']; | |
| 671 | $data->encoding = $file['@']['encoding']; | |
| 672 | $qo->incorrectfeedback['files'][] = $data; | |
| 673 | } | |
| 674 | ||
| 2ed80177 TH |
675 | $qo->unitgradingtype = $this->getpath($question, array('#','unitgradingtype',0,'#'), 0 ); |
| 676 | $qo->unitpenalty = $this->getpath($question, array('#','unitpenalty',0,'#'), 0 ); | |
| 677 | $qo->showunits = $this->getpath($question, array('#','showunits',0,'#'), 0 ); | |
| 678 | $qo->unitsleft = $this->getpath($question, array('#','unitsleft',0,'#'), 0 ); | |
| ab152de4 | 679 | $qo->instructions = $this->getpath( $question, array('#','instructions',0,'#','text',0,'#'), '', true ); |
| ac582c3b PP |
680 | if (!empty($instructions)) { |
| 681 | $qo->instructions = array(); | |
| 2ed80177 TH |
682 | $qo->instructions['text'] = $this->getpath($instructions, |
| 683 | array('0', '#', 'text', '0', '#'), '', true); | |
| 684 | $qo->instructions['format'] = $this->trans_format($this->getpath($instructions, | |
| 685 | array('0', '@', 'format'), 'moodle_auto_format')); | |
| 686 | $files = $this->getpath($instructions, | |
| 687 | array('0', '#', 'file'), array()); | |
| ab152de4 | 688 | $qo->instructions['files'] = array(); |
| ac582c3b PP |
689 | foreach ($files as $file) { |
| 690 | $data = new stdclass; | |
| 691 | $data->content = $file['#']; | |
| 692 | $data->encoding = $file['@']['encoding']; | |
| 693 | $data->name = $file['@']['name']; | |
| ab152de4 | 694 | $qo->instructions['files'][]= $data; |
| ac582c3b PP |
695 | } |
| 696 | } | |
| cde2709a DC |
697 | |
| 698 | $files = $this->getpath($question, array('#', 'instructions', 0, '#', 'file', 0, '@'), '', false); | |
| 699 | ||
| 725ba2a0 | 700 | // get answers array |
| 725ba2a0 | 701 | $answers = $question['#']['answer']; |
| 702 | $qo->answers = array(); | |
| 703 | $qo->feedback = array(); | |
| 704 | $qo->fraction = array(); | |
| 705 | $qo->tolerance = array(); | |
| 706 | $qo->tolerancetype = array(); | |
| 707 | $qo->correctanswerformat = array(); | |
| 708 | $qo->correctanswerlength = array(); | |
| 709 | $qo->feedback = array(); | |
| 710 | foreach ($answers as $answer) { | |
| cde2709a | 711 | $ans = $this->import_answer($answer); |
| 725ba2a0 | 712 | // answer outside of <text> is deprecated |
| cde2709a DC |
713 | if (empty($ans->answer['text'])) { |
| 714 | $ans->answer['text'] = '*'; | |
| 725ba2a0 | 715 | } |
| cde2709a DC |
716 | $qo->answers[] = $ans->answer; |
| 717 | $qo->feedback[] = $ans->feedback; | |
| 725ba2a0 | 718 | $qo->tolerance[] = $answer['#']['tolerance'][0]['#']; |
| 719 | // fraction as a tag is deprecated | |
| 720 | if (!empty($answer['#']['fraction'][0]['#'])) { | |
| 721 | $qo->fraction[] = $answer['#']['fraction'][0]['#']; | |
| cde2709a | 722 | } else { |
| 725ba2a0 | 723 | $qo->fraction[] = $answer['@']['fraction'] / 100; |
| 724 | } | |
| 725 | $qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#']; | |
| 726 | $qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#']; | |
| 727 | $qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#']; | |
| 728 | } | |
| 729 | // get units array | |
| 730 | $qo->unit = array(); | |
| 731 | if (isset($question['#']['units'][0]['#']['unit'])) { | |
| 732 | $units = $question['#']['units'][0]['#']['unit']; | |
| 733 | $qo->multiplier = array(); | |
| 734 | foreach ($units as $unit) { | |
| 735 | $qo->multiplier[] = $unit['#']['multiplier'][0]['#']; | |
| 736 | $qo->unit[] = $unit['#']['unit_name'][0]['#']; | |
| 737 | } | |
| 738 | } | |
| cde2709a DC |
739 | $instructions = $this->getpath($question, array('#', 'instructions'), array()); |
| 740 | if (!empty($instructions)) { | |
| 741 | $qo->instructions = array(); | |
| 2ed80177 TH |
742 | $qo->instructions['text'] = $this->getpath($instructions, |
| 743 | array('0', '#', 'text', '0', '#'), '', true); | |
| 744 | $qo->instructions['format'] = $this->trans_format($this->getpath($instructions, | |
| 745 | array('0', '@', 'format'), 'moodle_auto_format')); | |
| 746 | $files = $this->getpath($instructions, | |
| 747 | array('0', '#', 'file'), array()); | |
| ab152de4 | 748 | $qo->instructions['files'] = array(); |
| 2ed80177 TH |
749 | foreach ($files as $file) { |
| 750 | $data = new stdclass; | |
| 751 | $data->content = $file['#']; | |
| 752 | $data->encoding = $file['@']['encoding']; | |
| 753 | $data->name = $file['@']['name']; | |
| ab152de4 | 754 | $qo->instructions['files'][]= $data; |
| cde2709a DC |
755 | } |
| 756 | } | |
| 757 | $datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition']; | |
| 758 | $qo->dataset = array(); | |
| 759 | $qo->datasetindex= 0 ; | |
| 725ba2a0 | 760 | foreach ($datasets as $dataset) { |
| 761 | $qo->datasetindex++; | |
| 762 | $qo->dataset[$qo->datasetindex] = new stdClass(); | |
| 763 | $qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']); | |
| 764 | $qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']); | |
| 765 | $qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#']; | |
| 766 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 767 | $qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']); | |
| 768 | $qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']); | |
| 769 | $qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']); | |
| 770 | $qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']); | |
| 771 | $qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#']; | |
| 772 | $qo->dataset[$qo->datasetindex]->datasetitem = array(); | |
| 773 | $qo->dataset[$qo->datasetindex]->itemindex = 0; | |
| 774 | $qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#']; | |
| 775 | $datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item']; | |
| 776 | foreach ($datasetitems as $datasetitem) { | |
| 777 | $qo->dataset[$qo->datasetindex]->itemindex++; | |
| cde2709a DC |
778 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass(); |
| 779 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#']; | |
| 780 | $qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#']; | |
| 781 | } | |
| 725ba2a0 | 782 | } |
| 88bc20c3 | 783 | |
| cde2709a | 784 | // echo "<pre>loaded qo";print_r($qo);echo "</pre>"; |
| 725ba2a0 | 785 | return $qo; |
| 786 | } | |
| 787 | ||
| ee259d0c | 788 | /** |
| 789 | * this is not a real question type. It's a dummy type used | |
| 790 | * to specify the import category | |
| 791 | * format is: | |
| 792 | * <question type="category"> | |
| 793 | * <category>tom/dick/harry</category> | |
| 794 | * </question> | |
| 795 | */ | |
| 796 | function import_category( $question ) { | |
| 0c6b4d2e | 797 | $qo = new stdClass; |
| ee259d0c | 798 | $qo->qtype = 'category'; |
| 86b68520 | 799 | $qo->category = $this->import_text($question['#']['category'][0]['#']['text']); |
| ee259d0c | 800 | return $qo; |
| 801 | } | |
| 802 | ||
| c81415c7 | 803 | /** |
| 804 | * parse the array of lines into an array of questions | |
| 805 | * this *could* burn memory - but it won't happen that much | |
| 806 | * so fingers crossed! | |
| 6e557c08 | 807 | * @param array lines array of lines from the input file |
| 808 | * @return array (of objects) question objects | |
| c81415c7 | 809 | */ |
| 810 | function readquestions($lines) { | |
| 84769fd8 | 811 | // we just need it as one big string |
| 812 | $text = implode($lines, " "); | |
| cde2709a | 813 | unset($lines); |
| 84769fd8 | 814 | |
| 815 | // this converts xml to big nasty data structure | |
| 816 | // the 0 means keep white space as it is (important for markdown format) | |
| 817 | // print_r it if you want to see what it looks like! | |
| cde2709a | 818 | $xml = xmlize($text, 0); |
| 84769fd8 | 819 | |
| 820 | // set up array to hold all our questions | |
| 821 | $questions = array(); | |
| 822 | ||
| 823 | // iterate through questions | |
| 824 | foreach ($xml['quiz']['#']['question'] as $question) { | |
| 825 | $question_type = $question['@']['type']; | |
| 826 | $questiontype = get_string( 'questiontype','quiz',$question_type ); | |
| 84769fd8 | 827 | |
| 828 | if ($question_type=='multichoice') { | |
| 829 | $qo = $this->import_multichoice( $question ); | |
| 88bc20c3 | 830 | } |
| 84769fd8 | 831 | elseif ($question_type=='truefalse') { |
| 832 | $qo = $this->import_truefalse( $question ); | |
| 833 | } | |
| 834 | elseif ($question_type=='shortanswer') { | |
| 835 | $qo = $this->import_shortanswer( $question ); | |
| 836 | } | |
| 837 | elseif ($question_type=='numerical') { | |
| 838 | $qo = $this->import_numerical( $question ); | |
| 839 | } | |
| 7b8bc256 | 840 | elseif ($question_type=='description') { |
| 841 | $qo = $this->import_description( $question ); | |
| 842 | } | |
| 51bcdf28 | 843 | elseif ($question_type=='matching') { |
| 844 | $qo = $this->import_matching( $question ); | |
| 845 | } | |
| 7b8bc256 | 846 | elseif ($question_type=='cloze') { |
| c81415c7 | 847 | $qo = $this->import_multianswer( $question ); |
| 848 | } | |
| 849 | elseif ($question_type=='essay') { | |
| 850 | $qo = $this->import_essay( $question ); | |
| 7b8bc256 | 851 | } |
| 725ba2a0 | 852 | elseif ($question_type=='calculated') { |
| ac582c3b | 853 | $qo = $this->import_calculated( $question,CALCULATED ); |
| 725ba2a0 | 854 | } |
| 9c1c6c7f | 855 | elseif ($question_type=='calculatedsimple') { |
| ac582c3b | 856 | $qo = $this->import_calculated( $question,CALCULATEDMULTI ); |
| 9c1c6c7f | 857 | $qo->qtype = CALCULATEDSIMPLE ; |
| 858 | } | |
| 04d8268d | 859 | elseif ($question_type=='calculatedmulti') { |
| ac582c3b | 860 | $qo = $this->import_calculated( $question,CALCULATEDMULTI ); |
| 04d8268d PP |
861 | $qo->qtype = CALCULATEDMULTI ; |
| 862 | } | |
| ee259d0c | 863 | elseif ($question_type=='category') { |
| 864 | $qo = $this->import_category( $question ); | |
| 865 | } | |
| 84769fd8 | 866 | else { |
| a41e3287 | 867 | // try for plugin support |
| 88bc20c3 | 868 | // no default question, as the plugin can call |
| a41e3287 | 869 | // import_headers() itself if it wants to |
| 88bc20c3 | 870 | if (!$qo = $this->try_importing_using_qtypes( $question, null, null, $question_type)) { |
| a41e3287 | 871 | $notsupported = get_string( 'xmltypeunsupported','quiz',$question_type ); |
| 872 | $this->error( $notsupported ); | |
| 873 | $qo = null; | |
| 874 | } | |
| 84769fd8 | 875 | } |
| 876 | ||
| 877 | // stick the result in the $questions array | |
| 878 | if ($qo) { | |
| 879 | $questions[] = $qo; | |
| 880 | } | |
| 881 | } | |
| 84769fd8 | 882 | return $questions; |
| 883 | } | |
| 884 | ||
| 885 | // EXPORT FUNCTIONS START HERE | |
| 886 | ||
| 84769fd8 | 887 | function export_file_extension() { |
| 46732124 | 888 | return '.xml'; |
| 84769fd8 | 889 | } |
| 890 | ||
| c81415c7 | 891 | /** |
| 892 | * Turn the internal question code into a human readable form | |
| 893 | * (The code used to be numeric, but this remains as some of | |
| 894 | * the names don't match the new internal format) | |
| 6e557c08 | 895 | * @param mixed type_id Internal code |
| 896 | * @return string question type string | |
| c81415c7 | 897 | */ |
| 84769fd8 | 898 | function get_qtype( $type_id ) { |
| 84769fd8 | 899 | switch( $type_id ) { |
| 900 | case TRUEFALSE: | |
| 901 | $name = 'truefalse'; | |
| 902 | break; | |
| 903 | case MULTICHOICE: | |
| 904 | $name = 'multichoice'; | |
| 905 | break; | |
| 906 | case SHORTANSWER: | |
| 907 | $name = 'shortanswer'; | |
| 908 | break; | |
| 909 | case NUMERICAL: | |
| 910 | $name = 'numerical'; | |
| 911 | break; | |
| 912 | case MATCH: | |
| 913 | $name = 'matching'; | |
| 914 | break; | |
| 915 | case DESCRIPTION: | |
| 916 | $name = 'description'; | |
| 917 | break; | |
| 918 | case MULTIANSWER: | |
| 919 | $name = 'cloze'; | |
| 920 | break; | |
| c81415c7 | 921 | case ESSAY: |
| 922 | $name = 'essay'; | |
| 923 | break; | |
| 725ba2a0 | 924 | case CALCULATED: |
| 925 | $name = 'calculated'; | |
| 926 | break; | |
| 9c1c6c7f | 927 | case CALCULATEDSIMPLE: |
| 928 | $name = 'calculatedsimple'; | |
| 929 | break; | |
| 04d8268d PP |
930 | case CALCULATEDMULTI: |
| 931 | $name = 'calculatedmulti'; | |
| 932 | break; | |
| 84769fd8 | 933 | default: |
| a41e3287 | 934 | $name = false; |
| 84769fd8 | 935 | } |
| 936 | return $name; | |
| 937 | } | |
| 938 | ||
| 6e557c08 | 939 | /** |
| c81415c7 | 940 | * Convert internal Moodle text format code into |
| 941 | * human readable form | |
| 6e557c08 | 942 | * @param int id internal code |
| 943 | * @return string format text | |
| c81415c7 | 944 | */ |
| 84769fd8 | 945 | function get_format( $id ) { |
| 84769fd8 | 946 | switch( $id ) { |
| 947 | case 0: | |
| 948 | $name = "moodle_auto_format"; | |
| 949 | break; | |
| 950 | case 1: | |
| 951 | $name = "html"; | |
| 952 | break; | |
| 953 | case 2: | |
| 954 | $name = "plain_text"; | |
| 955 | break; | |
| 956 | case 3: | |
| 957 | $name = "wiki_like"; | |
| 958 | break; | |
| 959 | case 4: | |
| 960 | $name = "markdown"; | |
| 961 | break; | |
| 962 | default: | |
| 963 | $name = "unknown"; | |
| 964 | } | |
| 965 | return $name; | |
| 966 | } | |
| 967 | ||
| 6e557c08 | 968 | /** |
| 88bc20c3 | 969 | * Convert internal single question code into |
| c81415c7 | 970 | * human readable form |
| 6e557c08 | 971 | * @param int id single question code |
| 972 | * @return string single question string | |
| c81415c7 | 973 | */ |
| 84769fd8 | 974 | function get_single( $id ) { |
| 84769fd8 | 975 | switch( $id ) { |
| 976 | case 0: | |
| 977 | $name = "false"; | |
| 978 | break; | |
| 979 | case 1: | |
| 980 | $name = "true"; | |
| 981 | break; | |
| 982 | default: | |
| 983 | $name = "unknown"; | |
| 984 | } | |
| 985 | return $name; | |
| 986 | } | |
| 987 | ||
| 6e557c08 | 988 | /** |
| 88bc20c3 | 989 | * generates <text></text> tags, processing raw text therein |
| 6e557c08 | 990 | * @param int ilev the current indent level |
| 991 | * @param boolean short stick it on one line | |
| 992 | * @return string formatted text | |
| c81415c7 | 993 | */ |
| cde2709a | 994 | function writetext($raw, $ilev=0, $short=true) { |
| 84769fd8 | 995 | $indent = str_repeat( " ",$ilev ); |
| 996 | ||
| 3695cfa9 | 997 | // if required add CDATA tags |
| 998 | if (!empty($raw) and (htmlspecialchars($raw)!=$raw)) { | |
| 999 | $raw = "<![CDATA[$raw]]>"; | |
| 1000 | } | |
| 84769fd8 | 1001 | |
| 1002 | if ($short) { | |
| 1003 | $xml = "$indent<text>$raw</text>\n"; | |
| 1004 | } | |
| 1005 | else { | |
| 1006 | $xml = "$indent<text>\n$raw\n$indent</text>\n"; | |
| 1007 | } | |
| 1008 | ||
| 1009 | return $xml; | |
| 1010 | } | |
| 88bc20c3 | 1011 | |
| 84769fd8 | 1012 | function presave_process( $content ) { |
| 1013 | // override method to allow us to add xml headers and footers | |
| 1014 | ||
| 81a7a02b | 1015 | // add the xml headers and footers |
| 46013523 | 1016 | $content = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . |
| 84769fd8 | 1017 | "<quiz>\n" . |
| 1018 | $content . "\n" . | |
| 1019 | "</quiz>"; | |
| 84769fd8 | 1020 | return $content; |
| 1021 | } | |
| 1022 | ||
| 6e557c08 | 1023 | /** |
| c81415c7 | 1024 | * Turns question into an xml segment |
| cde2709a DC |
1025 | * @param object question object |
| 1026 | * @param int context id | |
| 6e557c08 | 1027 | * @return string xml segment |
| c81415c7 | 1028 | */ |
| cde2709a DC |
1029 | function writequestion($question) { |
| 1030 | global $CFG, $QTYPES, $OUTPUT; | |
| 1031 | ||
| 1032 | $fs = get_file_storage(); | |
| 1033 | $contextid = $question->contextid; | |
| 84769fd8 | 1034 | // initial string; |
| 1035 | $expout = ""; | |
| 1036 | ||
| 1037 | // add comment | |
| 1038 | $expout .= "\n\n<!-- question: $question->id -->\n"; | |
| 1039 | ||
| a41e3287 | 1040 | // check question type |
| 1041 | if (!$question_type = $this->get_qtype( $question->qtype )) { | |
| 1042 | // must be a plugin then, so just accept the name supplied | |
| 1043 | $question_type = $question->qtype; | |
| 46013523 | 1044 | } |
| 1045 | ||
| 84769fd8 | 1046 | // add opening tag |
| f1abd39f | 1047 | // generates specific header for Cloze and category type question |
| 1048 | if ($question->qtype == 'category') { | |
| 6f8481ec | 1049 | $categorypath = $this->writetext( $question->category ); |
| f1abd39f | 1050 | $expout .= " <question type=\"category\">\n"; |
| 1051 | $expout .= " <category>\n"; | |
| 6f8481ec | 1052 | $expout .= " $categorypath\n"; |
| f1abd39f | 1053 | $expout .= " </category>\n"; |
| 1054 | $expout .= " </question>\n"; | |
| 1055 | return $expout; | |
| cde2709a | 1056 | } elseif ($question->qtype != MULTIANSWER) { |
| 7b8bc256 | 1057 | // for all question types except Close |
| cde2709a | 1058 | $name_text = $this->writetext($question->name); |
| 7b8bc256 | 1059 | $qtformat = $this->get_format($question->questiontextformat); |
| cde2709a DC |
1060 | $generalfeedbackformat = $this->get_format($question->generalfeedbackformat); |
| 1061 | ||
| 1062 | $question_text = $this->writetext($question->questiontext); | |
| 1063 | $question_text_files = $this->writefiles($question->questiontextfiles); | |
| 1064 | ||
| 1065 | $generalfeedback = $this->writetext($question->generalfeedback); | |
| 1066 | $generalfeedback_files = $this->writefiles($question->generalfeedbackfiles); | |
| 1067 | ||
| 88bc20c3 | 1068 | $expout .= " <question type=\"$question_type\">\n"; |
| 7b8bc256 | 1069 | $expout .= " <name>$name_text</name>\n"; |
| 1070 | $expout .= " <questiontext format=\"$qtformat\">\n"; | |
| 1071 | $expout .= $question_text; | |
| cde2709a | 1072 | $expout .= $question_text_files; |
| 88bc20c3 | 1073 | $expout .= " </questiontext>\n"; |
| cde2709a | 1074 | $expout .= " <generalfeedback format=\"$generalfeedbackformat\">\n"; |
| a4514d91 | 1075 | $expout .= $generalfeedback; |
| cde2709a | 1076 | $expout .= $generalfeedback_files; |
| a4514d91 | 1077 | $expout .= " </generalfeedback>\n"; |
| c81415c7 | 1078 | $expout .= " <defaultgrade>{$question->defaultgrade}</defaultgrade>\n"; |
| 7b8bc256 | 1079 | $expout .= " <penalty>{$question->penalty}</penalty>\n"; |
| 1080 | $expout .= " <hidden>{$question->hidden}</hidden>\n"; | |
| cde2709a | 1081 | } else { |
| 7b8bc256 | 1082 | // for Cloze type only |
| 7b8bc256 | 1083 | $name_text = $this->writetext( $question->name ); |
| 1084 | $question_text = $this->writetext( $question->questiontext ); | |
| 4ab4dcb2 | 1085 | $generalfeedback = $this->writetext( $question->generalfeedback ); |
| 7b8bc256 | 1086 | $expout .= " <question type=\"$question_type\">\n"; |
| 1087 | $expout .= " <name>$name_text</name>\n"; | |
| 1088 | $expout .= " <questiontext>\n"; | |
| 1089 | $expout .= $question_text; | |
| 1090 | $expout .= " </questiontext>\n"; | |
| 4ab4dcb2 | 1091 | $expout .= " <generalfeedback>\n"; |
| 1092 | $expout .= $generalfeedback; | |
| 1093 | $expout .= " </generalfeedback>\n"; | |
| 7b8bc256 | 1094 | } |
| 1095 | ||
| d08e16b2 | 1096 | if (!empty($question->options->shuffleanswers)) { |
| 1097 | $expout .= " <shuffleanswers>{$question->options->shuffleanswers}</shuffleanswers>\n"; | |
| 1098 | } | |
| 1099 | else { | |
| 1100 | $expout .= " <shuffleanswers>0</shuffleanswers>\n"; | |
| 1101 | } | |
| 84769fd8 | 1102 | |
| 1103 | // output depends on question type | |
| 1104 | switch($question->qtype) { | |
| f1abd39f | 1105 | case 'category': |
| 1106 | // not a qtype really - dummy used for category switching | |
| 88bc20c3 | 1107 | break; |
| 84769fd8 | 1108 | case TRUEFALSE: |
| 36e2232e | 1109 | foreach ($question->options->answers as $answer) { |
| 1110 | $fraction_pc = round( $answer->fraction * 100 ); | |
| 3246ed33 | 1111 | if ($answer->id == $question->options->trueanswer) { |
| 1112 | $answertext = 'true'; | |
| 1113 | } else { | |
| 1114 | $answertext = 'false'; | |
| 88bc20c3 | 1115 | } |
| 36e2232e | 1116 | $expout .= " <answer fraction=\"$fraction_pc\">\n"; |
| 3246ed33 | 1117 | $expout .= $this->writetext($answertext, 3) . "\n"; |
| cde2709a DC |
1118 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1119 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1120 | $expout .= $this->writetext($answer->feedback,4,false); | |
| 1121 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 36e2232e | 1122 | $expout .= " </feedback>\n"; |
| 1123 | $expout .= " </answer>\n"; | |
| 1124 | } | |
| 84769fd8 | 1125 | break; |
| 1126 | case MULTICHOICE: | |
| 1127 | $expout .= " <single>".$this->get_single($question->options->single)."</single>\n"; | |
| 307f045f | 1128 | $expout .= " <shuffleanswers>".$this->get_single($question->options->shuffleanswers)."</shuffleanswers>\n"; |
| cde2709a DC |
1129 | |
| 1130 | $textformat = $this->get_format($question->options->correctfeedbackformat); | |
| 1131 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'correctfeedback', $question->id); | |
| 1132 | $expout .= " <correctfeedback format=\"$textformat\">\n"; | |
| 1133 | $expout .= $this->writetext($question->options->correctfeedback, 3); | |
| 1134 | $expout .= $this->writefiles($files); | |
| 1135 | $expout .= " </correctfeedback>\n"; | |
| 1136 | ||
| 1137 | $textformat = $this->get_format($question->options->partiallycorrectfeedbackformat); | |
| 1138 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'partiallycorrectfeedback', $question->id); | |
| 1139 | $expout .= " <partiallycorrectfeedback format=\"$textformat\">\n"; | |
| 1140 | $expout .= $this->writetext($question->options->partiallycorrectfeedback, 3); | |
| 1141 | $expout .= $this->writefiles($files); | |
| 1142 | $expout .= " </partiallycorrectfeedback>\n"; | |
| 1143 | ||
| 1144 | $textformat = $this->get_format($question->options->incorrectfeedbackformat); | |
| 1145 | $files = $fs->get_area_files($contextid, 'qtype_multichoice', 'incorrectfeedback', $question->id); | |
| 1146 | $expout .= " <incorrectfeedback format=\"$textformat\">\n"; | |
| 1147 | $expout .= $this->writetext($question->options->incorrectfeedback, 3); | |
| 1148 | $expout .= $this->writefiles($files); | |
| 1149 | $expout .= " </incorrectfeedback>\n"; | |
| 1150 | ||
| a5e8e6e5 | 1151 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; |
| 84769fd8 | 1152 | foreach($question->options->answers as $answer) { |
| 1153 | $percent = $answer->fraction * 100; | |
| 1154 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| cde2709a DC |
1155 | $expout .= $this->writetext($answer->answer,4,false); |
| 1156 | $feedbackformat = $this->get_format($answer->feedbackformat); | |
| 1157 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1158 | $expout .= $this->writetext($answer->feedback,5,false); | |
| 1159 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 84769fd8 | 1160 | $expout .= " </feedback>\n"; |
| 1161 | $expout .= " </answer>\n"; | |
| 1162 | } | |
| 1163 | break; | |
| 1164 | case SHORTANSWER: | |
| cde2709a | 1165 | $expout .= " <usecase>{$question->options->usecase}</usecase>\n "; |
| 84769fd8 | 1166 | foreach($question->options->answers as $answer) { |
| 1167 | $percent = 100 * $answer->fraction; | |
| 1168 | $expout .= " <answer fraction=\"$percent\">\n"; | |
| 1169 | $expout .= $this->writetext( $answer->answer,3,false ); | |
| cde2709a DC |
1170 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1171 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1172 | $expout .= $this->writetext($answer->feedback); | |
| 1173 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 84769fd8 | 1174 | $expout .= " </feedback>\n"; |
| 1175 | $expout .= " </answer>\n"; | |
| 1176 | } | |
| 1177 | break; | |
| 1178 | case NUMERICAL: | |
| 1179 | foreach ($question->options->answers as $answer) { | |
| 1180 | $tolerance = $answer->tolerance; | |
| 55c54868 | 1181 | $percent = 100 * $answer->fraction; |
| 1182 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 1183 | // <text> tags are an added feature, old filed won't have them | |
| 1184 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 84769fd8 | 1185 | $expout .= " <tolerance>$tolerance</tolerance>\n"; |
| cde2709a DC |
1186 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1187 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1188 | $expout .= $this->writetext($answer->feedback); | |
| 1189 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1190 | $expout .= " </feedback>\n"; | |
| 55c54868 | 1191 | // fraction tag is deprecated |
| 1192 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 84769fd8 | 1193 | $expout .= "</answer>\n"; |
| 1194 | } | |
| 1195 | ||
| 1196 | $units = $question->options->units; | |
| 1197 | if (count($units)) { | |
| 1198 | $expout .= "<units>\n"; | |
| 1199 | foreach ($units as $unit) { | |
| 1200 | $expout .= " <unit>\n"; | |
| 1201 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1202 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1203 | $expout .= " </unit>\n"; | |
| 1204 | } | |
| 1205 | $expout .= "</units>\n"; | |
| 1206 | } | |
| ac582c3b PP |
1207 | if (isset($question->options->unitgradingtype)) { |
| 1208 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; | |
| 1209 | } | |
| 1210 | if (isset($question->options->unitpenalty)) { | |
| 1211 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; | |
| 1212 | } | |
| 1213 | if (isset($question->options->showunits)) { | |
| 1214 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; | |
| 1215 | } | |
| 1216 | if (isset($question->options->unitsleft)) { | |
| 1217 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; | |
| 1218 | } | |
| cde2709a DC |
1219 | if (!empty($question->options->instructionsformat)) { |
| 1220 | $textformat = $this->get_format($question->options->instructionsformat); | |
| 1221 | $files = $fs->get_area_files($contextid, 'qtype_numerical', 'instruction', $question->id); | |
| 1222 | $expout .= " <instructions format=\"$textformat\">\n"; | |
| 1223 | $expout .= $this->writetext($question->options->instructions, 3); | |
| 1224 | $expout .= $this->writefiles($files); | |
| 1225 | $expout .= " </instructions>\n"; | |
| 1226 | } | |
| 84769fd8 | 1227 | break; |
| 1228 | case MATCH: | |
| 1229 | foreach($question->options->subquestions as $subquestion) { | |
| cde2709a DC |
1230 | $files = $fs->get_area_files($contextid, 'qtype_match', 'subquestion', $subquestion->id); |
| 1231 | $textformat = $this->get_format($subquestion->questiontextformat); | |
| 1232 | $expout .= "<subquestion format=\"$textformat\">\n"; | |
| 1233 | $expout .= $this->writetext($subquestion->questiontext); | |
| 1234 | $expout .= $this->writefiles($files); | |
| 1235 | $expout .= "<answer>"; | |
| 1236 | $expout .= $this->writetext($subquestion->answertext); | |
| 1237 | $expout .= "</answer>\n"; | |
| 84769fd8 | 1238 | $expout .= "</subquestion>\n"; |
| 1239 | } | |
| 1240 | break; | |
| 1241 | case DESCRIPTION: | |
| c81415c7 | 1242 | // nothing more to do for this type |
| 84769fd8 | 1243 | break; |
| 1244 | case MULTIANSWER: | |
| 7b8bc256 | 1245 | $a_count=1; |
| 1246 | foreach($question->options->questions as $question) { | |
| 9cc41dfd | 1247 | $thispattern = preg_quote("{#".$a_count."}"); //TODO: is this really necessary? |
| 7b8bc256 | 1248 | $thisreplace = $question->questiontext; |
| 6dbcacee | 1249 | $expout=preg_replace("~$thispattern~", $thisreplace, $expout ); |
| 7b8bc256 | 1250 | $a_count++; |
| 1251 | } | |
| 1252 | break; | |
| c81415c7 | 1253 | case ESSAY: |
| 33ed59a2 | 1254 | if (!empty($question->options->answers)) { |
| 1255 | foreach ($question->options->answers as $answer) { | |
| 1256 | $percent = 100 * $answer->fraction; | |
| 1257 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| cde2709a DC |
1258 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1259 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1260 | $expout .= $this->writetext($answer->feedback); | |
| 1261 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1262 | $expout .= " </feedback>\n"; | |
| 33ed59a2 | 1263 | // fraction tag is deprecated |
| 1264 | // $expout .= " <fraction>{$answer->fraction}</fraction>\n"; | |
| 1265 | $expout .= "</answer>\n"; | |
| 1266 | } | |
| c81415c7 | 1267 | } |
| 725ba2a0 | 1268 | break; |
| 1269 | case CALCULATED: | |
| 9c1c6c7f | 1270 | case CALCULATEDSIMPLE: |
| 04d8268d PP |
1271 | case CALCULATEDMULTI: |
| 1272 | $expout .= " <synchronize>{$question->options->synchronize}</synchronize>\n"; | |
| 1273 | $expout .= " <single>{$question->options->single}</single>\n"; | |
| 1274 | $expout .= " <answernumbering>{$question->options->answernumbering}</answernumbering>\n"; | |
| 1275 | $expout .= " <shuffleanswers>".$this->writetext($question->options->shuffleanswers, 3)."</shuffleanswers>\n"; | |
| cde2709a DC |
1276 | |
| 1277 | $component = 'qtype_' . $question->qtype; | |
| 1278 | $files = $fs->get_area_files($contextid, $component, 'correctfeedback', $question->id); | |
| 1279 | $expout .= " <correctfeedback>\n"; | |
| 1280 | $expout .= $this->writetext($question->options->correctfeedback, 3); | |
| 1281 | $expout .= $this->writefiles($files); | |
| 1282 | $expout .= " </correctfeedback>\n"; | |
| 1283 | ||
| 1284 | $files = $fs->get_area_files($contextid, $component, 'partiallycorrectfeedback', $question->id); | |
| 1285 | $expout .= " <partiallycorrectfeedback>\n"; | |
| 1286 | $expout .= $this->writetext($question->options->partiallycorrectfeedback, 3); | |
| 1287 | $expout .= $this->writefiles($files); | |
| 1288 | $expout .= " </partiallycorrectfeedback>\n"; | |
| 1289 | ||
| 1290 | $files = $fs->get_area_files($contextid, $component, 'incorrectfeedback', $question->id); | |
| 1291 | $expout .= " <incorrectfeedback>\n"; | |
| 1292 | $expout .= $this->writetext($question->options->incorrectfeedback, 3); | |
| 1293 | $expout .= $this->writefiles($files); | |
| 1294 | $expout .= " </incorrectfeedback>\n"; | |
| 1295 | ||
| 725ba2a0 | 1296 | foreach ($question->options->answers as $answer) { |
| 1297 | $tolerance = $answer->tolerance; | |
| 1298 | $tolerancetype = $answer->tolerancetype; | |
| 1299 | $correctanswerlength= $answer->correctanswerlength ; | |
| 1300 | $correctanswerformat= $answer->correctanswerformat; | |
| 1301 | $percent = 100 * $answer->fraction; | |
| 1302 | $expout .= "<answer fraction=\"$percent\">\n"; | |
| 1303 | // "<text/>" tags are an added feature, old files won't have them | |
| 1304 | $expout .= " <text>{$answer->answer}</text>\n"; | |
| 1305 | $expout .= " <tolerance>$tolerance</tolerance>\n"; | |
| 1306 | $expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n"; | |
| 1307 | $expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n"; | |
| a800639b | 1308 | $expout .= " <correctanswerlength>$correctanswerlength</correctanswerlength>\n"; |
| cde2709a DC |
1309 | $feedbackformat = $this->get_format($answer->feedbackformat); |
| 1310 | $expout .= " <feedback format=\"$feedbackformat\">\n"; | |
| 1311 | $expout .= $this->writetext($answer->feedback); | |
| 1312 | $expout .= $this->writefiles($answer->feedbackfiles); | |
| 1313 | $expout .= " </feedback>\n"; | |
| 725ba2a0 | 1314 | $expout .= "</answer>\n"; |
| 1315 | } | |
| ac582c3b | 1316 | if (isset($question->options->unitgradingtype)) { |
| cde2709a DC |
1317 | $expout .= " <unitgradingtype>{$question->options->unitgradingtype}</unitgradingtype>\n"; |
| 1318 | } | |
| ac582c3b | 1319 | if (isset($question->options->unitpenalty)) { |
| cde2709a DC |
1320 | $expout .= " <unitpenalty>{$question->options->unitpenalty}</unitpenalty>\n"; |
| 1321 | } | |
| ac582c3b | 1322 | if (isset($question->options->showunits)) { |
| cde2709a DC |
1323 | $expout .= " <showunits>{$question->options->showunits}</showunits>\n"; |
| 1324 | } | |
| ac582c3b | 1325 | if (isset($question->options->unitsleft)) { |
| cde2709a DC |
1326 | $expout .= " <unitsleft>{$question->options->unitsleft}</unitsleft>\n"; |
| 1327 | } | |
| 1328 | ||
| ac582c3b | 1329 | if (isset($question->options->instructionsformat)) { |
| cde2709a DC |
1330 | $textformat = $this->get_format($question->options->instructionsformat); |
| 1331 | $files = $fs->get_area_files($contextid, $component, 'instruction', $question->id); | |
| 1332 | $expout .= " <instructions format=\"$textformat\">\n"; | |
| 1333 | $expout .= $this->writetext($question->options->instructions, 3); | |
| 1334 | $expout .= $this->writefiles($files); | |
| 1335 | $expout .= " </instructions>\n"; | |
| 1336 | } | |
| 1337 | ||
| 1338 | if (isset($question->options->units)) { | |
| 1339 | $units = $question->options->units; | |
| 1340 | if (count($units)) { | |
| 1341 | $expout .= "<units>\n"; | |
| 1342 | foreach ($units as $unit) { | |
| 1343 | $expout .= " <unit>\n"; | |
| 1344 | $expout .= " <multiplier>{$unit->multiplier}</multiplier>\n"; | |
| 1345 | $expout .= " <unit_name>{$unit->unit}</unit_name>\n"; | |
| 1346 | $expout .= " </unit>\n"; | |
| 1347 | } | |
| 1348 | $expout .= "</units>\n"; | |
| 725ba2a0 | 1349 | } |
| cde2709a | 1350 | } |
| 9c1c6c7f | 1351 | //The tag $question->export_process has been set so we get all the data items in the database |
| 1352 | // from the function $QTYPES['calculated']->get_question_options(&$question); | |
| 1353 | // calculatedsimple defaults to calculated | |
| c9e4ba36 | 1354 | if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be |
| 725ba2a0 | 1355 | $expout .= "<dataset_definitions>\n"; |
| c9e4ba36 | 1356 | foreach ($question->options->datasets as $def) { |
| 725ba2a0 | 1357 | $expout .= "<dataset_definition>\n"; |
| 1358 | $expout .= " <status>".$this->writetext($def->status)."</status>\n"; | |
| 1359 | $expout .= " <name>".$this->writetext($def->name)."</name>\n"; | |
| 9c1c6c7f | 1360 | if ( $question->qtype == CALCULATED){ |
| 1361 | $expout .= " <type>calculated</type>\n"; | |
| 1362 | }else { | |
| 1363 | $expout .= " <type>calculatedsimple</type>\n"; | |
| 1364 | } | |
| 725ba2a0 | 1365 | $expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n"; |
| 1366 | $expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n"; | |
| 1367 | $expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n"; | |
| 88bc20c3 | 1368 | $expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n"; |
| 725ba2a0 | 1369 | $expout .= " <itemcount>$def->itemcount</itemcount>\n"; |
| 1370 | if ($def->itemcount > 0 ) { | |
| 1371 | $expout .= " <dataset_items>\n"; | |
| 1372 | foreach ($def->items as $item ){ | |
| 1373 | $expout .= " <dataset_item>\n"; | |
| 1374 | $expout .= " <number>".$item->itemnumber."</number>\n"; | |
| 1375 | $expout .= " <value>".$item->value."</value>\n"; | |
| 1376 | $expout .= " </dataset_item>\n"; | |
| 88bc20c3 | 1377 | } |
| 725ba2a0 | 1378 | $expout .= " </dataset_items>\n"; |
| 1379 | $expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n"; | |
| 1380 | } | |
| 1381 | $expout .= "</dataset_definition>\n"; | |
| 88bc20c3 | 1382 | } |
| 1383 | $expout .= "</dataset_definitions>\n"; | |
| 1384 | } | |
| c81415c7 | 1385 | break; |
| 84769fd8 | 1386 | default: |
| a41e3287 | 1387 | // try support by optional plugin |
| 88bc20c3 | 1388 | if (!$data = $this->try_exporting_using_qtypes( $question->qtype, $question )) { |
| fef8f84e | 1389 | echo $OUTPUT->notification( get_string( 'unsupportedexport','qformat_xml',$QTYPES[$question->qtype]->local_name() ) ); |
| a41e3287 | 1390 | } |
| 392238d6 | 1391 | $expout .= $data; |
| 84769fd8 | 1392 | } |
| 1393 | ||
| 1394 | // close the question tag | |
| 1395 | $expout .= "</question>\n"; | |
| 1396 | ||
| cde2709a DC |
1397 | // XXX: debuging |
| 1398 | //echo '<textarea cols=100 rows=20>'; | |
| 1399 | //echo $expout; | |
| 1400 | //echo '</textarea>'; | |
| 1401 | ||
| 84769fd8 | 1402 | return $expout; |
| 1403 | } | |
| 1404 | } |
