-
Notifications
You must be signed in to change notification settings - Fork 1
/
questiontype.php
executable file
·320 lines (265 loc) · 14.8 KB
/
questiontype.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Question type class for the lti question type.
*
* @package qtype
* @subpackage lti
* @copyright 2019 ETH Zurich
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/questionlib.php');
require_once($CFG->dirroot . '/question/type/lti/question.php');
require_once($CFG->dirroot . '/question/type/lti/locallib.php');
/**
* The lti question type.
*
* @copyright 2005 Mark Nielsen
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_lti extends question_type {
public function is_manual_graded() {
return true;
}
public function get_question_options($question) {
global $DB;
$question->options = $DB->get_record('qtype_lti_options', array('questionid' => $question->id), '*', MUST_EXIST);
$question->questiontext = $question->name; // COD-4 for Import and Export title.
parent::get_question_options($question);
}
public function save_question_options($question) {
global $DB, $CFG;
$options = $DB->get_record('qtype_lti_options', array('questionid' => $question->id));
$context = $question->context;
$question->grade = 100; // Default.
$question->timecreated = time();
$question->timemodified = $question->timecreated;
if (!$options) { // Insertion.
if (!isset($question->toolurl)) {
$question->toolurl = '';
}
$question->servicesalt = uniqid('', true);
if (!isset($question->typeid)) {
$question->typeid = null;
}
} else { // Update.
if ($question->typeid == 0 && isset($question->urlmatchedtypeid)) {
$question->typeid = $question->urlmatchedtypeid;
}
}
qtype_lti_load_tool_if_cartridge($question);
qtype_lti_force_type_config_settings($question, qtype_lti_get_type_config_by_instance($question));
if (empty($question->typeid) && isset($question->urlmatchedtypeid)) {
$question->typeid = $question->urlmatchedtypeid;
}
qtype_lti_ensure_user_can_use_type($question);
if (!isset($question->instructorchoiceacceptgrades)
|| $question->instructorchoiceacceptgrades != QTYPE_LTI_SETTING_ALWAYS) {
// The instance does not accept grades back from the provider, so set to "No grade" value 0.
$question->grade = 0;
}
if (!$options) {
$question->questionid = $question->id;
$DB->insert_record('qtype_lti_options', $question);
} else {
if (!isset($question->showtitlelaunch)) {
$question->showtitlelaunch = 0;
}
if (!isset($question->showdescriptionlaunch)) {
$question->showdescriptionlaunch = 0;
}
$question->questionid = $question->id;
$question->id = $options->id;
$DB->update_record('qtype_lti_options', $question);
}
$this->save_hints($question, true);
if (isset($question->instructorchoiceacceptgrades) && $question->instructorchoiceacceptgrades == QTYPE_LTI_SETTING_ALWAYS) {
if (!isset($question->cmidnumber)) {
$question->cmidnumber = '';
}
}
}
protected function initialise_question_instance(question_definition $question, $questiondata) {
parent::initialise_question_instance($question, $questiondata);
$question->questionid = $questiondata->options->questionid;
$question->typeid = $questiondata->options->typeid;
$question->toolurl = $questiondata->options->toolurl;
$question->securetoolurl = $questiondata->options->securetoolurl;
$question->instructorchoicesendname = $questiondata->options->instructorchoicesendname;
$question->instructorchoicesendemailaddr = $questiondata->options->instructorchoicesendemailaddr;
$question->instructorchoiceallowroster = $questiondata->options->instructorchoiceallowroster;
$question->instructorchoiceallowsetting = $questiondata->options->instructorchoiceallowsetting;
$question->instructorcustomparameters = $questiondata->options->instructorcustomparameters;
$question->instructorchoiceacceptgrades = $questiondata->options->instructorchoiceacceptgrades;
$question->grade = $questiondata->options->grade;
$question->launchcontainer = $questiondata->options->launchcontainer;
$question->resourcekey = $questiondata->options->resourcekey;
$question->password = $questiondata->options->password;
$question->debuglaunch = $questiondata->options->debuglaunch;
$question->showtitlelaunch = $questiondata->options->showtitlelaunch;
$question->showdescriptionlaunch = $questiondata->options->showdescriptionlaunch;
$question->servicesalt = $questiondata->options->servicesalt;
$question->instancecode = $questiondata->options->instancecode;
$question->icon = $questiondata->options->icon;
$question->secureicon = $questiondata->options->secureicon;
$question->answers = $questiondata->options->answers;
}
public function delete_question($questionid, $contextid) {
global $DB;
if (!$basiclti = $DB->get_record("qtype_lti_options", array("questionid" => $questionid))) {
return false;
}
$ltitype = $DB->get_record('qtype_lti_types', array('id' => $basiclti->typeid));
if ($ltitype) {
$DB->delete_records('qtype_lti_tool_settings',
array('toolproxyid' => $ltitype->toolproxyid, 'questionid' => $questionid));
}
$DB->delete_records('qtype_lti_options', array('questionid' => $questionid));
$DB->delete_records('qtype_lti_usage', array('questionid' => $questionid));
parent::delete_question($questionid, $contextid);
}
public function get_random_guess_score($questiondata) {
return 0;
}
public function get_possible_responses($questiondata) {
$responses = array();
$starfound = false;
foreach ($questiondata->options->answers as $aid => $answer) {
$responses[$aid] = new question_possible_response($answer->answer, $answer->fraction);
if ($answer->answer === '*') {
$starfound = true;
}
}
if (!$starfound) {
$responses[0] = new question_possible_response(get_string('didnotmatchanyanswer', 'question'), 0);
}
$responses[null] = question_possible_response::no_response();
return array($questiondata->id => $responses);
}
public function move_files($questionid, $oldcontextid, $newcontextid) {
parent::move_files($questionid, $oldcontextid, $newcontextid);
$fs = get_file_storage();
$fs->move_area_files_to_new_context($oldcontextid, $newcontextid, 'qtype_lti', 'graderinfo', $questionid);
}
protected function delete_files($questionid, $contextid) {
parent::delete_files($questionid, $contextid);
$fs = get_file_storage();
$fs->delete_area_files($contextid, 'qtype_lti', 'graderinfo', $questionid);
}
/**
* Provide export functionality for xml format.
*
* @param
* question object the question object
* @param
* format object the format object so that helper methods can be used
* @param
* extra mixed any additional format specific data that may be passed by the format (see
* format code for info)
* @return string the data to append to the output buffer or false if error
*/
public function export_to_xml($question, qformat_xml $format, $extra = null) {
global $DB;
$expout = '';
$contextid = $question->contextid;
// Set the additional fields.
$expout .= ' <instancecode>' . $format->writetext($question->options->instancecode) . "</instancecode>\n";
$expout .= ' <course>' . $question->options->course . "</course>\n";
$expout .= ' <cmid>' . $question->options->cmid . "</cmid>\n";
$expout .= ' <typeid>' . $question->options->typeid . '</typeid>\n';
$expout .= ' <toolurl>' . $format->writetext($question->options->toolurl) . "</toolurl>\n";
$expout .= ' <securetoolurl>' . $format->writetext($question->options->securetoolurl) . "</securetoolurl>\n";
$expout .= ' <instructorchoicesendname>' . $question->options->instructorchoicesendname .
"</instructorchoicesendname>\n";
$expout .= ' <instructorchoicesendemailaddr>' . $question->options->instructorchoicesendemailaddr .
"</instructorchoicesendemailaddr>\n";
$expout .= ' <instructorchoiceallowroster>' . $question->options->instructorchoiceallowroster .
"</instructorchoiceallowroster>\n";
$expout .= ' <instructorchoiceallowsetting>' . $question->options->instructorchoiceallowsetting .
"</instructorchoiceallowsetting>\n";
$expout .= ' <instructorcustomparameters>' . $format->writetext($question->options->instructorcustomparameters) .
"</instructorcustomparameters>\n";
$expout .= ' <grade>' . $question->options->grade . "</grade>\n";
$expout .= ' <launchcontainer>' . $question->options->launchcontainer . "</launchcontainer>\n";
$expout .= ' <resourcekey>' . $format->writetext($question->options->resourcekey) . "</resourcekey>\n";
$expout .= ' <password>' . $format->writetext($question->options->password) . "</password>\n";
$expout .= ' <debuglaunch>' . $question->options->debuglaunch . "</debuglaunch>\n";
$expout .= ' <showtitlelaunch>' . $question->options->showtitlelaunch . "</showtitlelaunch>\n";
$expout .= ' <showdescriptionlaunch>' . $question->options->showdescriptionlaunch . "</showdescriptionlaunch>\n";
$expout .= ' <servicesalt>' . $format->writetext($question->options->servicesalt) . "</servicesalt>\n";
$expout .= ' <icon>' . $format->writetext($question->options->icon) . "</icon>\n";
$expout .= ' <secureicon>' . $format->writetext($question->options->secureicon) . "</secureicon>\n";
return $expout;
}
/**
* Provide import functionality for xml format.
*
* @param
* data mixed the segment of data containing the question
* @param
* question object question object processed (so far) by standard import code
* @param
* format object the format object so that helper methods can be used (in particular
* error())
* @param
* extra mixed any additional format specific data that may be passed by the format (see
* format code for info)
* @return object question object suitable for save_options() call or false if cannot handle
*/
public function import_from_xml($data, $question, qformat_xml $format, $extra = null) {
global $COURSE, $DB;
// Check whether the question is for us.
if (!isset($data['@']['type']) || $data['@']['type'] != 'lti') {
return false;
}
$question = $format->import_headers($data);
$question->qtype = 'lti';
$question->instancecode = $format->getpath($data, array('#', 'instancecode', 0, '#', 'text', 0, '#'), '');
// Update course to be the current import one.
$question->course = $COURSE->id;
$question->cmid = $format->getpath($data, array('#', 'cmid', 0, '#'), 1);
$question->typeid = $format->getpath($data, array('#', 'typeid', 0, '#'), null);
$ltipluginconfig = get_config('qtype_lti');
if (!isset($ltipluginconfig->removerestoredlink) || $ltipluginconfig->removerestoredlink == 0) {
$question->toolurl = $format->getpath($data, array('#', 'toolurl', 0, '#', 'text', 0, '#'), '');
$question->securetoolurl = $format->getpath($data, array('#', 'securetoolurl', 0, '#', 'text', 0, '#'), '');
} else {
$question->toolurl = '';
$question->securetoolurl = '';
}
$question->instructorchoicesendname = $format->getpath($data, array('#', 'instructorchoicesendname', 0, '#'), 1);
$question->instructorchoicesendemailaddr = $format->getpath($data, array('#', 'instructorchoicesendemailaddr', 0, '#'), 1);
$question->instructorchoiceallowroster = $format->getpath($data, array('#', 'instructorchoiceallowroster', 0, '#'), 1);
$question->instructorchoiceallowsetting = $format->getpath($data, array('#', 'instructorchoiceallowsetting', 0, '#'), 1);
$question->instructorchoiceacceptgrades = $format->getpath($data, array('#', 'instructorchoiceacceptgrades', 0, '#'), 1);
$question->instructorcustomparameters = $format->getpath($data,
array('#', 'instructorcustomparameters',
0, '#', 'text', 0, '#'), '');
$question->grade = $format->getpath($data, array('#', 'grade', 0, '#'), 100);
$question->resourcekey = $format->getpath($data, array('#', 'resourcekey', 0, '#', 'text', 0, '#'), '');
$question->password = $format->getpath($data, array('#', 'password', 0, '#', 'text', 0, '#'), '');
$question->launchcontainer = $format->getpath($data, array('#', 'launchcontainer', 0, '#'), 1);
$question->debuglaunch = $format->getpath($data, array('#', 'debuglaunch', 0, '#'), 0);
$question->showtitlelaunch = $format->getpath($data, array('#', 'showtitlelaunch', 0, '#'), 0);
$question->showdescriptionlaunch = $format->getpath($data, array('#', 'showdescriptionlaunch', 0, '#'), 0);
$question->servicesalt = $format->getpath($data, array('#', 'servicesalt', 0, '#', 'text', 0, '#'), '');
$question->icon = $format->getpath($data, array('#', 'icon', 0, '#', 'text', 0, '#'), '');
$question->secureicon = $format->getpath($data, array('#', 'secureicon', 0, '#', 'text', 0, '#'), '');
// Do types, proxy, config etc. KEEP FOR ROUND 2.
return $question;
}
}