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
|
<?php // $Id: editquestion.php,v 1.1 2006/03/24 19:31:46 gustav_delius Exp $
// Get a handle to the question type we are dealing with here
$qtypeobj = $QTYPES['calculated'];
if (empty($form)) {
/****************************************************************/
/***** First page in question wizard - editquestion.html.html! **/
/****************************************************************/
// Inside this block everything works as for non-wizardquestions
// The layout of the editing page will only support
// one formula alternative for calculated questions.
// However, the code behind supports up to six formulas
// and the database store and attempt/review framework
// does not have any limit.
$answers= array();
for ($i=0; $i<6; $i++) {
// Make answer slots with default values
$answers[$i]->answer = "";
$answers[$i]->feedback = "";
$answers[$i]->fraction = "1.0";
$answers[$i]->tolerance = "0.01";
$answers[$i]->tolerancetype = "1";
$answers[$i]->correctanswerlength = "2"; // Defaults to two ...
$answers[$i]->correctanswerformat = "1"; // ... decimals
}
if (!empty($question->id)) {
$QTYPES[$question->qtype]->get_question_options($question);
if (!empty($question->options->answers)) {
// Overwrite the default valued answer slots
// with correct values from database
$answersraw = array_values($question->options->answers);
$n = count($answersraw);
for ($i = 0; $i < $n; $i++) {
$answers[$i] = $answersraw[$i];
}
}
}
// Units are handled the same way
// as for numerical questions
$units = array();
for ($i=0 ; $i<6 ; $i++) {
// Make unit slots, default as blank...
$units[$i]->multiplier = '';
$units[$i]->unit = '';
}
if (!empty($question->id) and $unitsraw = get_records(
'question_numerical_units', 'question', $question->id)) {
/// Find default unit and have it put in the zero slot
/// This procedure might be overridden later when
/// the unit is stripped form an answer...
foreach ($unitsraw as $key => $unit) {
if (1.0 == $unit->multiplier) {
/// Default unit found:
$units[0] = $unit;
unset($unitsraw[$key]);
break;
}
}
/// Fill remaining answer slots with whatsever left
if (!empty($unitsraw)) {
$i = 1; // The zero slot got the default unit...
foreach ($unitsraw as $unit) {
$units[$i] = $unit;
$i++;
}
}
} else {
$units[0]->multiplier = 1.0;
}
// Strip trailing zeros from multipliers
foreach ($units as $i => $unit) {
if (ereg('^(.*\\..(.*[^0])?)0+$', $unit->multiplier, $regs1)) {
if (ereg('^(.+)\\.0$', $regs1[1], $regs2)) {
$units[$i]->multiplier = $regs2[1];
} else {
$units[$i]->multiplier = $regs1[1];
}
}
}
print_heading_with_help(get_string("editingcalculated", "quiz"), "calculated", "quiz");
require("$CFG->dirroot/question/type/calculated/editquestion.html");
} else { // $form is not empty
/*********************************************************/
/***** Any subsequent page of the question wizard **/
/*********************************************************/
$qtypeobj->print_next_wizard_page($question, $form, $course);
}
?>
|
