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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/>.
/**
* This file contains the forms to create and edit an instance of this module
*
* @package assignfeedback_offline
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->libdir.'/formslib.php');
require_once($CFG->dirroot.'/mod/assign/feedback/offline/importgradeslib.php');
/**
* Import grades form
*
* @package assignfeedback_offline
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assignfeedback_offline_import_grades_form extends moodleform implements renderable {
/**
* Create this grade import form
*/
public function definition() {
global $CFG, $PAGE, $DB;
$mform = $this->_form;
$params = $this->_customdata;
$renderer = $PAGE->get_renderer('assign');
// Visible elements.
$assignment = $params['assignment'];
$csvdata = $params['csvdata'];
$gradeimporter = $params['gradeimporter'];
$update = false;
$ignoremodified = $params['ignoremodified'];
$draftid = $params['draftid'];
if (!$gradeimporter) {
print_error('invalidarguments');
return;
}
if ($csvdata) {
$gradeimporter->parsecsv($csvdata);
}
$scaleoptions = null;
if ($assignment->get_instance()->grade < 0) {
if ($scale = $DB->get_record('scale', array('id'=>-($assignment->get_instance()->grade)))) {
$scaleoptions = make_menu_from_list($scale->scale);
}
}
if (!$gradeimporter->init()) {
$thisurl = new moodle_url('/mod/assign/view.php', array('action'=>'viewpluginpage',
'pluginsubtype'=>'assignfeedback',
'plugin'=>'offline',
'pluginaction'=>'uploadgrades',
'id'=>$assignment->get_course_module()->id));
print_error('invalidgradeimport', 'assignfeedback_offline', $thisurl);
return;
}
$mform->addElement('header', 'importgrades', get_string('importgrades', 'assignfeedback_offline'));
$updates = array();
while ($record = $gradeimporter->next()) {
$user = $record->user;
$grade = $record->grade;
$modified = $record->modified;
$userdesc = fullname($user);
if ($assignment->is_blind_marking()) {
$userdesc = get_string('hiddenuser', 'assign') . $assignment->get_uniqueid_for_user($user->id);
}
$usergrade = $assignment->get_user_grade($user->id, false);
// Note: we lose the seconds when converting to user date format - so must not count seconds in comparision.
$skip = false;
$stalemodificationdate = ($usergrade && $usergrade->timemodified > ($modified + 60));
if (!empty($scaleoptions)) {
// This is a scale - we need to convert any grades to indexes in the scale.
$scaleindex = array_search($grade, $scaleoptions);
if ($scaleindex !== false) {
$grade = $scaleindex;
} else {
$grade = '';
}
} else {
$grade = unformat_float($grade);
}
if ($usergrade && $usergrade->grade == $grade) {
// Skip - grade not modified.
$skip = true;
} else if (!isset($grade) || $grade === '' || $grade < 0) {
// Skip - grade has no value.
$skip = true;
} else if (!$ignoremodified && $stalemodificationdate) {
// Skip - grade has been modified.
$skip = true;
} else if ($assignment->grading_disabled($user->id)) {
// Skip grade is locked.
$skip = true;
} else if (($assignment->get_instance()->grade > -1) &&
(($grade < 0) || ($grade > $assignment->get_instance()->grade))) {
// Out of range.
$skip = true;
}
if (!$skip) {
$update = true;
if (!empty($scaleoptions)) {
$formattedgrade = $scaleoptions[$grade];
} else {
$gradeitem = $assignment->get_grade_item();
$formattedgrade = format_float($grade, $gradeitem->get_decimals());
}
$updates[] = get_string('gradeupdate', 'assignfeedback_offline',
array('grade'=>$formattedgrade, 'student'=>$userdesc));
}
if ($ignoremodified || !$stalemodificationdate) {
foreach ($record->feedback as $feedback) {
$plugin = $feedback['plugin'];
$field = $feedback['field'];
$newvalue = $feedback['value'];
$description = $feedback['description'];
$oldvalue = '';
if ($usergrade) {
$oldvalue = $plugin->get_editor_text($field, $usergrade->id);
}
if ($newvalue != $oldvalue) {
$update = true;
$updates[] = get_string('feedbackupdate', 'assignfeedback_offline',
array('text'=>$newvalue, 'field'=>$description, 'student'=>$userdesc));
}
}
}
}
$gradeimporter->close(false);
if ($update) {
$mform->addElement('html', $renderer->list_block_contents(array(), $updates));
} else {
$mform->addElement('html', get_string('nochanges', 'assignfeedback_offline'));
}
$mform->addElement('hidden', 'id', $assignment->get_course_module()->id);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'action', 'viewpluginpage');
$mform->setType('action', PARAM_ALPHA);
$mform->addElement('hidden', 'confirm', 'true');
$mform->setType('confirm', PARAM_BOOL);
$mform->addElement('hidden', 'plugin', 'offline');
$mform->setType('plugin', PARAM_PLUGIN);
$mform->addElement('hidden', 'pluginsubtype', 'assignfeedback');
$mform->setType('pluginsubtype', PARAM_PLUGIN);
$mform->addElement('hidden', 'pluginaction', 'uploadgrades');
$mform->setType('pluginaction', PARAM_ALPHA);
$mform->addElement('hidden', 'importid', $gradeimporter->importid);
$mform->setType('importid', PARAM_INT);
$mform->addElement('hidden', 'encoding', $gradeimporter->get_encoding());
$mform->setType('encoding', PARAM_ALPHAEXT);
$mform->addElement('hidden', 'separator', $gradeimporter->get_separator());
$mform->setType('separator', PARAM_ALPHA);
$mform->addElement('hidden', 'ignoremodified', $ignoremodified);
$mform->setType('ignoremodified', PARAM_BOOL);
$mform->addElement('hidden', 'draftid', $draftid);
$mform->setType('draftid', PARAM_INT);
if ($update) {
$this->add_action_buttons(true, get_string('confirm'));
} else {
$mform->addElement('cancel');
$mform->closeHeaderBefore('cancel');
}
}
}