moodle/grade/export/txt/grade_export_txt.php
2012-05-14 13:27:06 +08:00

117 lines
4.3 KiB
PHP

<?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/>.
require_once($CFG->dirroot.'/grade/export/lib.php');
class grade_export_txt extends grade_export {
public $plugin = 'txt';
public $separator; // default separator
public function __construct($course, $groupid=0, $itemlist='', $export_feedback=false, $updatedgradesonly = false, $displaytype = GRADE_DISPLAY_TYPE_REAL, $decimalpoints = 2, $separator = 'comma', $onlyactive = false) {
parent::__construct($course, $groupid, $itemlist, $export_feedback, $updatedgradesonly, $displaytype, $decimalpoints, $onlyactive);
$this->separator = $separator;
}
public function get_export_params() {
$params = parent::get_export_params();
$params['separator'] = $this->separator;
return $params;
}
public function print_grades() {
global $CFG;
$export_tracking = $this->track_exports();
$strgrades = get_string('grades');
switch ($this->separator) {
case 'comma':
$separator = ",";
break;
case 'tab':
default:
$separator = "\t";
}
/// Print header to force download
if (strpos($CFG->wwwroot, 'https://') === 0) { //https sites - watch out for IE! KB812935 and KB316431
@header('Cache-Control: max-age=10');
@header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
@header('Pragma: ');
} else { //normal http - prevent caching at all cost
@header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
@header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
@header('Pragma: no-cache');
}
header("Content-Type: application/download\n");
$shortname = format_string($this->course->shortname, true, array('context' => get_context_instance(CONTEXT_COURSE, $this->course->id)));
$downloadfilename = clean_filename("$shortname $strgrades");
header("Content-Disposition: attachment; filename=\"$downloadfilename.txt\"");
/// Print names of all the fields
echo get_string("firstname").$separator.
get_string("lastname").$separator.
get_string("idnumber").$separator.
get_string("institution").$separator.
get_string("department").$separator.
get_string("email");
foreach ($this->columns as $grade_item) {
echo $separator.$this->format_column_name($grade_item);
/// add a feedback column
if ($this->export_feedback) {
echo $separator.$this->format_column_name($grade_item, true);
}
}
echo "\n";
/// Print all the lines of data.
$geub = new grade_export_update_buffer();
$gui = new graded_users_iterator($this->course, $this->columns, $this->groupid);
$gui->require_active_enrolment($this->onlyactive);
$gui->init();
while ($userdata = $gui->next_user()) {
$user = $userdata->user;
echo $user->firstname.$separator.$user->lastname.$separator.$user->idnumber.$separator.$user->institution.$separator.$user->department.$separator.$user->email;
foreach ($userdata->grades as $itemid => $grade) {
if ($export_tracking) {
$status = $geub->track($grade);
}
echo $separator.$this->format_grade($grade);
if ($this->export_feedback) {
echo $separator.$this->format_feedback($userdata->feedbacks[$itemid]);
}
}
echo "\n";
}
$gui->close();
$geub->close();
exit;
}
}