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<?PHP // $Id$
require('teacheraccess.php'); //page only for teachers
$confirm = optional_param('confirm', 0, PARAM_BOOL);
///header and strings
$strbooks = get_string('modulenameplural', 'book');
$strbook = get_string('modulename', 'book');
if ($course->category) {
$navigation = '<a href="../../course/view.php?id='.$course->id.'">'.$course->shortname.'</a> ->';
} else {
$navigation = '';
}
print_header( "$course->shortname: $book->name",
$course->fullname,
"$navigation <a href=index.php?id=$course->id>$strbooks</a> -> $book->name",
'',
'',
true,
'',
''
);
///form processing
if ($confirm) { // the operation was confirmed.
if (!$chapter->subchapter) { //delete all its subchapters if any
$chapters = get_records('book_chapters', 'bookid', $book->id, 'pagenum', 'id, subchapter');
$found = false;
foreach($chapters as $ch) {
if ($ch->id == $chapter->id) {
$found = true;
} else if ($found and $ch->subchapter) {
if (!delete_records('book_chapters', 'id', $ch->id)) {
error('Could not update your book');
}
} else if ($found) {
break;
}
}
}
if (!delete_records('book_chapters', 'id', $chapter->id)) {
error('Could not update your book');
}
add_to_log($course->id, 'course', 'update mod', '../mod/book/view.php?id='.$cm->id, 'book '.$book->id);
add_to_log($course->id, 'book', 'update', 'view.php?id='.$cm->id, $book->id, $cm->id);
book_check_structure($book->id);
redirect('view.php?id='.$cm->id);
die;
} else {
// the operation has not been confirmed yet so ask the user to do so
if ($chapter->subchapter) {
$strconfirm = get_string('confchapterdelete','book');
} else {
$strconfirm = get_string('confchapterdeleteall','book');
}
echo '<br />';
notice_yesno("<b>$chapter->title</b><p>$strconfirm</p>",
"delete.php?id=$cm->id&chapterid=$chapter->id&confirm=1&sesskey=$USER->sesskey",
"view.php?id=$cm->id&chapterid=$chapter->id");
}
print_footer($course);
?>
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