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<?php // $Id$
require '../../../config.php';
require_once $CFG->libdir.'/gradelib.php';
require_once $CFG->dirroot.'/grade/lib.php';
require_once 'edit_form.php';
$contextid = optional_param('id', SYSCONTEXTID, PARAM_INT);
if (!$context = get_context_instance_by_id($contextid)) {
error('Incorrect context id');
}
if ($context->contextlevel == CONTEXT_SYSTEM or $context->contextlevel == CONTEXT_COURSECAT) {
require_once $CFG->libdir.'/adminlib.php';
require_login();
admin_externalpage_setup('letters');
$admin = true;
$returnurl = "$CFG->wwwroot/$CFG->admin";
} else if ($context->contextlevel == CONTEXT_COURSE) {
require_login($context->instanceid);
$admin = false;
$returnurl = $CFG->wwwroot.'/grade/edit/letter/index.php?id='.$context->instanceid;
} else {
error('Incorrect context level');
}
require_capability('moodle/grade:manageletters', $context);
$strgrades = get_string('grades');
$pagename = get_string('letters', 'grades');
$letters = grade_get_letters($context);
$num = count($letters) + 3;
$data = new object();
$data->id = $context->id;
$i = 1;
foreach ($letters as $boundary=>$letter) {
$gradelettername = 'gradeletter'.$i;
$gradeboundaryname = 'gradeboundary'.$i;
$data->$gradelettername = $letter;
$data->$gradeboundaryname = $boundary;
$i++;
}
$data->override = record_exists('grade_letters', 'contextid', $contextid);
$mform = new edit_letter_form(null, array('num'=>$num, 'admin'=>$admin));
$mform->set_data($data);
if ($mform->is_cancelled()) {
redirect($returnurl);
} else if ($data = $mform->get_data()) {
if (empty($data->override)) {
delete_records('grade_letters', 'contextid', $context->id);
redirect($returnurl);
}
$letters = array();
for($i=1; $i<$num+1; $i++) {
$gradelettername = 'gradeletter'.$i;
$gradeboundaryname = 'gradeboundary'.$i;
if (array_key_exists($gradeboundaryname, $data) and $data->$gradeboundaryname != -1) {
$letter = trim($data->$gradelettername);
if ($letter == '') {
continue;
}
$letters[$data->$gradeboundaryname] = $letter;
}
}
krsort($letters, SORT_NUMERIC);
$old_ids = array();
if ($records = get_records('grade_letters', 'contextid', $context->id, 'lowerboundary ASC', 'id')) {
$old_ids = array_keys($records);
}
foreach($letters as $boundary=>$letter) {
$record = new object();
$record->letter = $letter;
$record->lowerboundary = $boundary;
$record->contextid = $context->id;
if ($old_id = array_pop($old_ids)) {
$record->id = $old_id;
update_record('grade_letters', $record);
} else {
insert_record('grade_letters', $record);
}
}
foreach($old_ids as $old_id) {
delete_records('grade_letters', 'id', $old_id);
}
redirect($returnurl);
}
//page header
if ($admin) {
admin_externalpage_print_header();
} else {
$navigation = grade_build_nav(__FILE__, $pagename, $COURSE->id);
/// Print header
print_header_simple($strgrades.': '.$pagename, ': '.$strgrades, $navigation, '', '', true, '', navmenu($COURSE));
$currenttab = 'lettersedit';
require('tabs.php');
}
$mform->display();
print_footer($COURSE);
?>
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