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<?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_ods extends grade_export {
public $plugin = 'ods';
/**
* To be implemented by child classes
*/
function print_grades() {
global $CFG;
require_once($CFG->dirroot.'/lib/odslib.class.php');
$export_tracking = $this->track_exports();
$strgrades = get_string('grades');
$shortname = format_string($this->course->shortname, true, array('context' => context_course::instance($this->course->id)));
// Calculate file name
$downloadfilename = clean_filename("$shortname $strgrades.ods");
// Creating a workbook
$workbook = new MoodleODSWorkbook("-");
// Sending HTTP headers
$workbook->send($downloadfilename);
// Adding the worksheet
$myxls =& $workbook->add_worksheet($strgrades);
// Print names of all the fields.
$profilefields = grade_helper::get_user_profile_fields($this->course->id, $this->usercustomfields);
foreach ($profilefields as $id => $field) {
$myxls->write_string(0, $id, $field->fullname);
}
$pos = count($profilefields);
foreach ($this->columns as $grade_item) {
$myxls->write_string(0, $pos++, $this->format_column_name($grade_item));
// Add a column_feedback column.
if ($this->export_feedback) {
$myxls->write_string(0, $pos++, $this->format_column_name($grade_item, true));
}
}
// Print all the lines of data.
$i = 0;
$geub = new grade_export_update_buffer();
$gui = new graded_users_iterator($this->course, $this->columns, $this->groupid);
$gui->require_active_enrolment($this->onlyactive);
$gui->allow_user_custom_fields($this->usercustomfields);
$gui->init();
while ($userdata = $gui->next_user()) {
$i++;
$user = $userdata->user;
foreach($profilefields as $id => $field) {
$fieldvalue = grade_helper::get_user_field_value($user, $field);
$myxls->write_string($i, $id, $fieldvalue);
}
$j = count($profilefields);
foreach ($userdata->grades as $itemid => $grade) {
if ($export_tracking) {
$status = $geub->track($grade);
}
$gradestr = $this->format_grade($grade);
if (is_numeric($gradestr)) {
$myxls->write_number($i,$j++,$gradestr);
}
else {
$myxls->write_string($i,$j++,$gradestr);
}
// writing feedback if requested
if ($this->export_feedback) {
$myxls->write_string($i, $j++, $this->format_feedback($userdata->feedbacks[$itemid]));
}
}
}
$gui->close();
$geub->close();
// Close the workbook.
$workbook->close();
exit;
}
}
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