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720 lines
28 KiB
720 lines
28 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This file contains the definition for the library class for onlinetext submission plugin
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*
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* This class provides all the functionality for the new assign module.
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*
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* @package assignsubmission_onlinetext
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* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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// File area for online text submission assignment.
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define('ASSIGNSUBMISSION_ONLINETEXT_FILEAREA', 'submissions_onlinetext');
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/**
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* library class for onlinetext submission plugin extending submission plugin base class
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*
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* @package assignsubmission_onlinetext
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* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class assign_submission_onlinetext extends assign_submission_plugin {
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/**
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* Get the name of the online text submission plugin
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* @return string
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*/
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public function get_name() {
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return get_string('onlinetext', 'assignsubmission_onlinetext');
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}
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/**
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* Get onlinetext submission information from the database
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*
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* @param int $submissionid
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* @return mixed
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*/
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private function get_onlinetext_submission($submissionid) {
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global $DB;
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return $DB->get_record('assignsubmission_onlinetext', array('submission'=>$submissionid));
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}
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/**
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* Remove a submission.
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*
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* @param stdClass $submission The submission
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* @return boolean
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*/
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public function remove(stdClass $submission) {
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global $DB;
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$submissionid = $submission ? $submission->id : 0;
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if ($submissionid) {
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$DB->delete_records('assignsubmission_onlinetext', array('submission' => $submissionid));
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}
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return true;
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}
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/**
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* Get the settings for onlinetext submission plugin
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*
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* @param MoodleQuickForm $mform The form to add elements to
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* @return void
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*/
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public function get_settings(MoodleQuickForm $mform) {
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global $CFG, $COURSE;
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$defaultwordlimit = $this->get_config('wordlimit') == 0 ? '' : $this->get_config('wordlimit');
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$defaultwordlimitenabled = $this->get_config('wordlimitenabled');
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$options = array('size' => '6', 'maxlength' => '6');
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$name = get_string('wordlimit', 'assignsubmission_onlinetext');
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// Create a text box that can be enabled/disabled for onlinetext word limit.
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$wordlimitgrp = array();
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$wordlimitgrp[] = $mform->createElement('text', 'assignsubmission_onlinetext_wordlimit', '', $options);
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$wordlimitgrp[] = $mform->createElement('checkbox', 'assignsubmission_onlinetext_wordlimit_enabled',
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'', get_string('enable'));
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$mform->addGroup($wordlimitgrp, 'assignsubmission_onlinetext_wordlimit_group', $name, ' ', false);
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$mform->addHelpButton('assignsubmission_onlinetext_wordlimit_group',
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'wordlimit',
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'assignsubmission_onlinetext');
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$mform->disabledIf('assignsubmission_onlinetext_wordlimit',
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'assignsubmission_onlinetext_wordlimit_enabled',
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'notchecked');
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$mform->hideIf('assignsubmission_onlinetext_wordlimit',
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'assignsubmission_onlinetext_enabled',
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'notchecked');
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// Add numeric rule to text field.
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$wordlimitgrprules = array();
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$wordlimitgrprules['assignsubmission_onlinetext_wordlimit'][] = array(null, 'numeric', null, 'client');
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$mform->addGroupRule('assignsubmission_onlinetext_wordlimit_group', $wordlimitgrprules);
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// Rest of group setup.
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$mform->setDefault('assignsubmission_onlinetext_wordlimit', $defaultwordlimit);
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$mform->setDefault('assignsubmission_onlinetext_wordlimit_enabled', $defaultwordlimitenabled);
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$mform->setType('assignsubmission_onlinetext_wordlimit', PARAM_INT);
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$mform->hideIf('assignsubmission_onlinetext_wordlimit_group',
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'assignsubmission_onlinetext_enabled',
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'notchecked');
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}
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/**
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* Save the settings for onlinetext submission plugin
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*
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* @param stdClass $data
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* @return bool
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*/
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public function save_settings(stdClass $data) {
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if (empty($data->assignsubmission_onlinetext_wordlimit) || empty($data->assignsubmission_onlinetext_wordlimit_enabled)) {
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$wordlimit = 0;
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$wordlimitenabled = 0;
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} else {
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$wordlimit = $data->assignsubmission_onlinetext_wordlimit;
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$wordlimitenabled = 1;
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}
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$this->set_config('wordlimit', $wordlimit);
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$this->set_config('wordlimitenabled', $wordlimitenabled);
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return true;
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}
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/**
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* Add form elements for settings
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*
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* @param mixed $submission can be null
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* @param MoodleQuickForm $mform
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* @param stdClass $data
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* @return true if elements were added to the form
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*/
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public function get_form_elements($submission, MoodleQuickForm $mform, stdClass $data) {
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$elements = array();
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$editoroptions = $this->get_edit_options();
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$submissionid = $submission ? $submission->id : 0;
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if (!isset($data->onlinetext)) {
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$data->onlinetext = '';
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}
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if (!isset($data->onlinetextformat)) {
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$data->onlinetextformat = editors_get_preferred_format();
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}
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if ($submission) {
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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if ($onlinetextsubmission) {
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$data->onlinetext = $onlinetextsubmission->onlinetext;
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$data->onlinetextformat = $onlinetextsubmission->onlineformat;
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}
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}
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$data = file_prepare_standard_editor($data,
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'onlinetext',
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$editoroptions,
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$this->assignment->get_context(),
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submissionid);
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$mform->addElement('editor', 'onlinetext_editor', $this->get_name(), null, $editoroptions);
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return true;
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}
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/**
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* Editor format options
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*
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* @return array
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*/
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private function get_edit_options() {
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$editoroptions = array(
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'noclean' => false,
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'maxfiles' => EDITOR_UNLIMITED_FILES,
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'maxbytes' => $this->assignment->get_course()->maxbytes,
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'context' => $this->assignment->get_context(),
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'return_types' => (FILE_INTERNAL | FILE_EXTERNAL | FILE_CONTROLLED_LINK),
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'removeorphaneddrafts' => true // Whether or not to remove any draft files which aren't referenced in the text.
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);
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return $editoroptions;
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}
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/**
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* Save data to the database and trigger plagiarism plugin,
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* if enabled, to scan the uploaded content via events trigger
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*
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* @param stdClass $submission
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* @param stdClass $data
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* @return bool
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*/
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public function save(stdClass $submission, stdClass $data) {
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global $USER, $DB;
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$editoroptions = $this->get_edit_options();
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$data = file_postupdate_standard_editor($data,
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'onlinetext',
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$editoroptions,
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$this->assignment->get_context(),
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id);
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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$fs = get_file_storage();
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$files = $fs->get_area_files($this->assignment->get_context()->id,
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id,
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'id',
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false);
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// Check word count before submitting anything.
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$exceeded = $this->check_word_count(trim($data->onlinetext));
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if ($exceeded) {
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$this->set_error($exceeded);
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return false;
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}
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$params = array(
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'context' => context_module::instance($this->assignment->get_course_module()->id),
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'courseid' => $this->assignment->get_course()->id,
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'objectid' => $submission->id,
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'other' => array(
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'pathnamehashes' => array_keys($files),
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'content' => trim($data->onlinetext),
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'format' => $data->onlinetext_editor['format']
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)
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);
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if (!empty($submission->userid) && ($submission->userid != $USER->id)) {
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$params['relateduserid'] = $submission->userid;
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}
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if ($this->assignment->is_blind_marking()) {
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$params['anonymous'] = 1;
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}
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$event = \assignsubmission_onlinetext\event\assessable_uploaded::create($params);
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$event->trigger();
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$groupname = null;
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$groupid = 0;
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// Get the group name as other fields are not transcribed in the logs and this information is important.
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if (empty($submission->userid) && !empty($submission->groupid)) {
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$groupname = $DB->get_field('groups', 'name', array('id' => $submission->groupid), MUST_EXIST);
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$groupid = $submission->groupid;
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} else {
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$params['relateduserid'] = $submission->userid;
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}
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$count = count_words($data->onlinetext);
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// Unset the objectid and other field from params for use in submission events.
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unset($params['objectid']);
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unset($params['other']);
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$params['other'] = array(
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'submissionid' => $submission->id,
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'submissionattempt' => $submission->attemptnumber,
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'submissionstatus' => $submission->status,
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'onlinetextwordcount' => $count,
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'groupid' => $groupid,
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'groupname' => $groupname
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);
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if ($onlinetextsubmission) {
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$onlinetextsubmission->onlinetext = $data->onlinetext;
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$onlinetextsubmission->onlineformat = $data->onlinetext_editor['format'];
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$params['objectid'] = $onlinetextsubmission->id;
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$updatestatus = $DB->update_record('assignsubmission_onlinetext', $onlinetextsubmission);
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$event = \assignsubmission_onlinetext\event\submission_updated::create($params);
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$event->set_assign($this->assignment);
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$event->trigger();
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return $updatestatus;
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} else {
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$onlinetextsubmission = new stdClass();
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$onlinetextsubmission->onlinetext = $data->onlinetext;
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$onlinetextsubmission->onlineformat = $data->onlinetext_editor['format'];
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$onlinetextsubmission->submission = $submission->id;
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$onlinetextsubmission->assignment = $this->assignment->get_instance()->id;
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$onlinetextsubmission->id = $DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission);
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$params['objectid'] = $onlinetextsubmission->id;
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$event = \assignsubmission_onlinetext\event\submission_created::create($params);
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$event->set_assign($this->assignment);
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$event->trigger();
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return $onlinetextsubmission->id > 0;
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}
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}
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/**
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* Return a list of the text fields that can be imported/exported by this plugin
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*
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* @return array An array of field names and descriptions. (name=>description, ...)
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*/
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public function get_editor_fields() {
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return array('onlinetext' => get_string('pluginname', 'assignsubmission_onlinetext'));
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}
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/**
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* Get the saved text content from the editor
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*
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* @param string $name
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* @param int $submissionid
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* @return string
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*/
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public function get_editor_text($name, $submissionid) {
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if ($name == 'onlinetext') {
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$onlinetextsubmission = $this->get_onlinetext_submission($submissionid);
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if ($onlinetextsubmission) {
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return $onlinetextsubmission->onlinetext;
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}
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}
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return '';
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}
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/**
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* Get the content format for the editor
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*
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* @param string $name
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* @param int $submissionid
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* @return int
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*/
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public function get_editor_format($name, $submissionid) {
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if ($name == 'onlinetext') {
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$onlinetextsubmission = $this->get_onlinetext_submission($submissionid);
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if ($onlinetextsubmission) {
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return $onlinetextsubmission->onlineformat;
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}
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}
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return 0;
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}
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/**
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* Display onlinetext word count in the submission status table
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*
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* @param stdClass $submission
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* @param bool $showviewlink - If the summary has been truncated set this to true
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* @return string
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*/
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public function view_summary(stdClass $submission, & $showviewlink) {
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global $CFG;
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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// Always show the view link.
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$showviewlink = true;
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if ($onlinetextsubmission) {
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// This contains the shortened version of the text plus an optional 'Export to portfolio' button.
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$text = $this->assignment->render_editor_content(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$onlinetextsubmission->submission,
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$this->get_type(),
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'onlinetext',
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'assignsubmission_onlinetext', true);
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// The actual submission text.
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$onlinetext = trim($onlinetextsubmission->onlinetext);
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// The shortened version of the submission text.
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$shorttext = shorten_text($onlinetext, 140);
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$plagiarismlinks = '';
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if (!empty($CFG->enableplagiarism)) {
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require_once($CFG->libdir . '/plagiarismlib.php');
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$plagiarismlinks .= plagiarism_get_links(array('userid' => $submission->userid,
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'content' => $onlinetext,
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'cmid' => $this->assignment->get_course_module()->id,
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'course' => $this->assignment->get_course()->id,
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'assignment' => $submission->assignment));
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}
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// We compare the actual text submission and the shortened version. If they are not equal, we show the word count.
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if ($onlinetext != $shorttext) {
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$wordcount = get_string('numwords', 'assignsubmission_onlinetext', count_words($onlinetext));
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return $plagiarismlinks . $wordcount . $text;
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} else {
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return $plagiarismlinks . $text;
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}
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}
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return '';
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}
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/**
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* Produce a list of files suitable for export that represent this submission.
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*
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* @param stdClass $submission - For this is the submission data
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* @param stdClass $user - This is the user record for this submission
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* @return array - return an array of files indexed by filename
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*/
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public function get_files(stdClass $submission, stdClass $user) {
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global $DB;
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$files = array();
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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// Note that this check is the same logic as the result from the is_empty function but we do
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// not call it directly because we already have the submission record.
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if ($onlinetextsubmission) {
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// Do not pass the text through format_text. The result may not be displayed in Moodle and
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// may be passed to external services such as document conversion or portfolios.
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$formattedtext = $this->assignment->download_rewrite_pluginfile_urls($onlinetextsubmission->onlinetext, $user, $this);
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$head = '<head><meta charset="UTF-8"></head>';
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$submissioncontent = '<!DOCTYPE html><html>' . $head . '<body>'. $formattedtext . '</body></html>';
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$filename = get_string('onlinetextfilename', 'assignsubmission_onlinetext');
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$files[$filename] = array($submissioncontent);
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$fs = get_file_storage();
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$fsfiles = $fs->get_area_files($this->assignment->get_context()->id,
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id,
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'timemodified',
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false);
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foreach ($fsfiles as $file) {
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$files[$file->get_filename()] = $file;
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}
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}
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return $files;
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}
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/**
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* Display the saved text content from the editor in the view table
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*
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* @param stdClass $submission
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* @return string
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*/
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public function view(stdClass $submission) {
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global $CFG;
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$result = '';
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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if ($onlinetextsubmission) {
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// Render for portfolio API.
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$result .= $this->assignment->render_editor_content(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$onlinetextsubmission->submission,
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$this->get_type(),
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'onlinetext',
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'assignsubmission_onlinetext');
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$plagiarismlinks = '';
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if (!empty($CFG->enableplagiarism)) {
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require_once($CFG->libdir . '/plagiarismlib.php');
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$plagiarismlinks .= plagiarism_get_links(array('userid' => $submission->userid,
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'content' => trim($onlinetextsubmission->onlinetext),
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'cmid' => $this->assignment->get_course_module()->id,
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'course' => $this->assignment->get_course()->id,
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'assignment' => $submission->assignment));
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}
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}
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return $plagiarismlinks . $result;
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}
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|
|
|
/**
|
|
* Return true if this plugin can upgrade an old Moodle 2.2 assignment of this type and version.
|
|
*
|
|
* @param string $type old assignment subtype
|
|
* @param int $version old assignment version
|
|
* @return bool True if upgrade is possible
|
|
*/
|
|
public function can_upgrade($type, $version) {
|
|
if ($type == 'online' && $version >= 2011112900) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Upgrade the settings from the old assignment to the new plugin based one
|
|
*
|
|
* @param context $oldcontext - the database for the old assignment context
|
|
* @param stdClass $oldassignment - the database for the old assignment instance
|
|
* @param string $log record log events here
|
|
* @return bool Was it a success?
|
|
*/
|
|
public function upgrade_settings(context $oldcontext, stdClass $oldassignment, & $log) {
|
|
// No settings to upgrade.
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Upgrade the submission from the old assignment to the new one
|
|
*
|
|
* @param context $oldcontext - the database for the old assignment context
|
|
* @param stdClass $oldassignment The data record for the old assignment
|
|
* @param stdClass $oldsubmission The data record for the old submission
|
|
* @param stdClass $submission The data record for the new submission
|
|
* @param string $log Record upgrade messages in the log
|
|
* @return bool true or false - false will trigger a rollback
|
|
*/
|
|
public function upgrade(context $oldcontext,
|
|
stdClass $oldassignment,
|
|
stdClass $oldsubmission,
|
|
stdClass $submission,
|
|
& $log) {
|
|
global $DB;
|
|
|
|
$onlinetextsubmission = new stdClass();
|
|
$onlinetextsubmission->onlinetext = $oldsubmission->data1;
|
|
$onlinetextsubmission->onlineformat = $oldsubmission->data2;
|
|
|
|
$onlinetextsubmission->submission = $submission->id;
|
|
$onlinetextsubmission->assignment = $this->assignment->get_instance()->id;
|
|
|
|
if ($onlinetextsubmission->onlinetext === null) {
|
|
$onlinetextsubmission->onlinetext = '';
|
|
}
|
|
|
|
if ($onlinetextsubmission->onlineformat === null) {
|
|
$onlinetextsubmission->onlineformat = editors_get_preferred_format();
|
|
}
|
|
|
|
if (!$DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission) > 0) {
|
|
$log .= get_string('couldnotconvertsubmission', 'mod_assign', $submission->userid);
|
|
return false;
|
|
}
|
|
|
|
// Now copy the area files.
|
|
$this->assignment->copy_area_files_for_upgrade($oldcontext->id,
|
|
'mod_assignment',
|
|
'submission',
|
|
$oldsubmission->id,
|
|
$this->assignment->get_context()->id,
|
|
'assignsubmission_onlinetext',
|
|
ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
|
|
$submission->id);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Formatting for log info
|
|
*
|
|
* @param stdClass $submission The new submission
|
|
* @return string
|
|
*/
|
|
public function format_for_log(stdClass $submission) {
|
|
// Format the info for each submission plugin (will be logged).
|
|
$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
|
|
$onlinetextloginfo = '';
|
|
$onlinetextloginfo .= get_string('numwordsforlog',
|
|
'assignsubmission_onlinetext',
|
|
count_words($onlinetextsubmission->onlinetext));
|
|
|
|
return $onlinetextloginfo;
|
|
}
|
|
|
|
/**
|
|
* The assignment has been deleted - cleanup
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function delete_instance() {
|
|
global $DB;
|
|
$DB->delete_records('assignsubmission_onlinetext',
|
|
array('assignment'=>$this->assignment->get_instance()->id));
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* No text is set for this plugin
|
|
*
|
|
* @param stdClass $submission
|
|
* @return bool
|
|
*/
|
|
public function is_empty(stdClass $submission) {
|
|
$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
|
|
$wordcount = 0;
|
|
|
|
if (isset($onlinetextsubmission->onlinetext)) {
|
|
$wordcount = count_words(trim($onlinetextsubmission->onlinetext));
|
|
}
|
|
|
|
return $wordcount == 0;
|
|
}
|
|
|
|
/**
|
|
* Determine if a submission is empty
|
|
*
|
|
* This is distinct from is_empty in that it is intended to be used to
|
|
* determine if a submission made before saving is empty.
|
|
*
|
|
* @param stdClass $data The submission data
|
|
* @return bool
|
|
*/
|
|
public function submission_is_empty(stdClass $data) {
|
|
if (!isset($data->onlinetext_editor)) {
|
|
return true;
|
|
}
|
|
$wordcount = 0;
|
|
|
|
if (isset($data->onlinetext_editor['text'])) {
|
|
$wordcount = count_words(trim((string)$data->onlinetext_editor['text']));
|
|
}
|
|
|
|
return $wordcount == 0;
|
|
}
|
|
|
|
/**
|
|
* Get file areas returns a list of areas this plugin stores files
|
|
* @return array - An array of fileareas (keys) and descriptions (values)
|
|
*/
|
|
public function get_file_areas() {
|
|
return array(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA=>$this->get_name());
|
|
}
|
|
|
|
/**
|
|
* Copy the student's submission from a previous submission. Used when a student opts to base their resubmission
|
|
* on the last submission.
|
|
* @param stdClass $sourcesubmission
|
|
* @param stdClass $destsubmission
|
|
*/
|
|
public function copy_submission(stdClass $sourcesubmission, stdClass $destsubmission) {
|
|
global $DB;
|
|
|
|
// Copy the files across (attached via the text editor).
|
|
$contextid = $this->assignment->get_context()->id;
|
|
$fs = get_file_storage();
|
|
$files = $fs->get_area_files($contextid, 'assignsubmission_onlinetext',
|
|
ASSIGNSUBMISSION_ONLINETEXT_FILEAREA, $sourcesubmission->id, 'id', false);
|
|
foreach ($files as $file) {
|
|
$fieldupdates = array('itemid' => $destsubmission->id);
|
|
$fs->create_file_from_storedfile($fieldupdates, $file);
|
|
}
|
|
|
|
// Copy the assignsubmission_onlinetext record.
|
|
$onlinetextsubmission = $this->get_onlinetext_submission($sourcesubmission->id);
|
|
if ($onlinetextsubmission) {
|
|
unset($onlinetextsubmission->id);
|
|
$onlinetextsubmission->submission = $destsubmission->id;
|
|
$DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return a description of external params suitable for uploading an onlinetext submission from a webservice.
|
|
*
|
|
* @return external_description|null
|
|
*/
|
|
public function get_external_parameters() {
|
|
$editorparams = array('text' => new external_value(PARAM_RAW, 'The text for this submission.'),
|
|
'format' => new external_value(PARAM_INT, 'The format for this submission'),
|
|
'itemid' => new external_value(PARAM_INT, 'The draft area id for files attached to the submission'));
|
|
$editorstructure = new external_single_structure($editorparams, 'Editor structure', VALUE_OPTIONAL);
|
|
return array('onlinetext_editor' => $editorstructure);
|
|
}
|
|
|
|
/**
|
|
* Compare word count of onlinetext submission to word limit, and return result.
|
|
*
|
|
* @param string $submissiontext Onlinetext submission text from editor
|
|
* @return string Error message if limit is enabled and exceeded, otherwise null
|
|
*/
|
|
public function check_word_count($submissiontext) {
|
|
global $OUTPUT;
|
|
|
|
$wordlimitenabled = $this->get_config('wordlimitenabled');
|
|
$wordlimit = $this->get_config('wordlimit');
|
|
|
|
if ($wordlimitenabled == 0) {
|
|
return null;
|
|
}
|
|
|
|
// Count words and compare to limit.
|
|
$wordcount = count_words($submissiontext);
|
|
if ($wordcount <= $wordlimit) {
|
|
return null;
|
|
} else {
|
|
$errormsg = get_string('wordlimitexceeded', 'assignsubmission_onlinetext',
|
|
array('limit' => $wordlimit, 'count' => $wordcount));
|
|
return $OUTPUT->error_text($errormsg);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the plugin configs for external functions.
|
|
*
|
|
* @return array the list of settings
|
|
* @since Moodle 3.2
|
|
*/
|
|
public function get_config_for_external() {
|
|
return (array) $this->get_config();
|
|
}
|
|
}
|
|
|
|
|
|
|