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
|
<?PHP // $Id: questiontypes.php,v 1.2 2006/03/06 19:27:25 skodak Exp $
// Allows the admin to manage questiontypes
// This page is adapted from modules.php
// This page is not yet in service, the whole plug-in architecture
// for question types is still under construction.
require_once('../config.php');
$show = optional_param('show', '', PARAM_SAFEDIR);
$hide = optional_param('hide', '', PARAM_SAFEDIR);
$delete = optional_param('delete', '', PARAM_SAFEDIR);
$confirm = optional_param('confirm', '', PARAM_BOOL);
require_login();
if (!isadmin()) {
error("Only administrators can use this page!");
}
if (!$site = get_site()) {
error("Site isn't defined!");
}
/// Print headings
$stradministration = get_string("administration");
$strconfiguration = get_string("configuration");
$strdelete = get_string("delete");
$strversion = get_string("version");
$strhide = get_string("hide");
$strshow = get_string("show");
$strsettings = get_string("settings");
$strquestions = get_string("questions");
$strquestiontype = get_string("questiontype", 'quiz');
print_header("$site->shortname: $strquestions", "$site->fullname",
"<a href=\"index.php\">$stradministration</a> -> ".
"<a href=\"configure.php\">$strconfiguration</a> -> $strquestions");
print_heading($strquestions);
/// If data submitted, then process and store.
if (!empty($hide) and confirm_sesskey()) {
if (!$qtype = get_record("question_types", "name", $hide)) {
error("Question type doesn't exist!");
}
set_field("question_types", "visible", "0", "id", $qtype->id); // Hide question type
}
if (!empty($show) and confirm_sesskey()) {
if (!$qtype = get_record("question_types", "name", $show)) {
error("Question type doesn't exist!");
}
set_field("question_types", "visible", "1", "id", $qtype->id); // Show question type
}
if (!empty($delete) and confirm_sesskey()) {
$strqtypename = get_string("qtypename", "qtype_$delete");
if (!$confirm) {
notice_yesno(get_string("qtypedeleteconfirm", "admin", $strqtypename),
"questiontypes.php?delete=$delete&confirm=1&sesskey=$USER->sesskey",
"questiontypes.php");
print_footer();
exit;
} else { // Delete everything!!
if ($delete == "random") {
error("You can not delete the random question type!!");
}
if (!$qtype = get_record("question_types", "name", $delete)) {
error("Question type doesn't exist!");
}
// OK, first delete all the questions
if ($questions = get_records("quiz_questions", "qtype", $qtype->id)) {
foreach ($questions as $question) {
if (! quiz_delete_question($coursemod->id, $coursemod->section)) {
notify("Could not delete the $strqtypename with id = $question->id");
}
}
}
// And the qtype entry itself
if (!delete_records("question_types", "name", $qtype->name)) {
notify("Error occurred while deleting the $strqtypename record from question_types table");
}
// Then the tables themselves
if ($tables = $db->Metatables()) {
$prefix = $CFG->prefix.$qtype->name;
foreach ($tables as $table) {
if (strpos($table, $prefix) === 0) {
if (!execute_sql("DROP TABLE $table", false)) {
notify("ERROR: while trying to drop table $table");
}
}
}
}
$a->qtype = $strqtypename;
$a->directory = "$CFG->dirroot/qtype/$delete";
notice(get_string("qtypedeletefiles", "", $a), "questiontypes.php");
}
}
/// Get and sort the existing questiontypes
if (!$qtypes = get_records("question_types")) {
error("No question types found!!"); // Should never happen
}
foreach ($qtypes as $qtype) {
$strqtypename = get_string("qtypename", "qtype_$qtype->name");
$qtypebyname[$strqtypename] = $qtype;
}
ksort($qtypebyname);
/// Print the table of all questiontypes
$table->head = array ($strquestiontype, $strquestions, $strversion, "$strhide/$strshow", $strdelete, $strsettings);
$table->align = array ("left", "right", "left", "center", "center", "center");
$table->wrap = array ("nowrap", "", "", "", "","");
$table->size = array ("100%", "10", "10", "10", "10","12");
$table->width = "100";
foreach ($qtypebyname as $qtypename => $qtype) {
$icon = "<img src=\"$CFG->dirroot/mod/quiz/questiontypes/$qtype->name/icon.gif\" hspace=\"10\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" />";
if (file_exists("$CFG->dirroot/mod/quiz/questiontypes/$qtype->name/config.html")) {
$settings = "<a href=\"questiontype.php?qtype=$qtype->name\">$strsettings</a>";
} else {
$settings = "";
}
$count = count_records('quiz_questions', 'qtype', $qtype->id);
$delete = $count ? '' : "<a href=\"questiontypes.php?delete=$qtype->name&sesskey=$USER->sesskey\">$strdelete</a>";
if ($qtype->visible) {
$visible = "<a href=\"questiontypes.php?hide=$qtype->name&sesskey=$USER->sesskey\" title=\"$strhide\">".
"<img src=\"$CFG->pixpath/i/hide.gif\" align=\"middle\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" /></a>";
$class = "";
} else {
$visible = "<a href=\"questiontypes.php?show=$qtype->name&sesskey=$USER->sesskey\" title=\"$strshow\">".
"<img src=\"$CFG->pixpath/i/show.gif\" align=\"middle\" height=\"16\" width=\"16\" border=\"0\" alt=\"\" /></a>";
$class = "class=\"dimmed_text\"";
}
if ($qtype->name == "random") {
$delete = "";
$visible = "";
$class = "";
}
$table->data[] = array ("<span $class>$icon $qtypename</span>", $count, $qtype->version, $visible, $delete, $settings);
}
print_table($table);
echo "<br /><br />";
print_footer();
?>
|
