PHP file_get_unused_draft_itemid函数代码示例

    function toHtml() {
        global $CFG, $COURSE, $USER, $PAGE, $OUTPUT;
        $id     = $this->_attributes['id'];
        $elname = $this->_attributes['name'];

        if ($this->_flagFrozen) {
            return $this->getFrozenHtml();
        }
        if (!$draftitemid = (int)$this->getValue()) {
            // no existing area info provided - let's use fresh new draft area
            $draftitemid = file_get_unused_draft_itemid();
            $this->setValue($draftitemid);
        }

        if ($COURSE->id == SITEID) {
            $context = get_context_instance(CONTEXT_SYSTEM);
        } else {
            $context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
        }

        $client_id = uniqid();

        $args = new stdClass();
        // need these three to filter repositories list
        $args->accepted_types = $this->_options['accepted_types']?$this->_options['accepted_types']:'*';
        $args->return_types = FILE_INTERNAL;
        $args->itemid = $draftitemid;
        $args->maxbytes = $this->_options['maxbytes'];
        $args->context = $PAGE->context;
        $args->buttonname = $elname.'choose';

        $html = $this->_getTabs();
        $fp = new file_picker($args);
        $options = $fp->options;
        $options->context = $PAGE->context;
        $html .= $OUTPUT->render($fp);
        $html .= '<input type="hidden" name="'.$elname.'" id="'.$id.'" value="'.$draftitemid.'" class="filepickerhidden"/>';

        $module = array('name'=>'form_filepicker', 'fullpath'=>'/lib/form/filepicker.js', 'requires'=>array('core_filepicker'));
        $PAGE->requires->js_init_call('M.form_filepicker.init', array($fp->options), true, $module);

        $nonjsfilepicker = new moodle_url('/repository/draftfiles_manager.php', array(
            'env'=>'filepicker',
            'action'=>'browse',
            'itemid'=>$draftitemid,
            'subdirs'=>0,
            'maxbytes'=>$options->maxbytes,
            'maxfiles'=>1,
            'ctx_id'=>$PAGE->context->id,
            'course'=>$PAGE->course->id,
            'sesskey'=>sesskey(),
            ));

        // non js file picker
        $html .= '<noscript>';
        $html .= "<div><object type='text/html' data='$nonjsfilepicker' height='160' width='600' style='border:1px solid #000'></object></div>";
        $html .= '</noscript>';

        return $html;
    }

 public function test_create_instance()
 {
     global $DB, $CFG, $USER;
     $this->resetAfterTest();
     $this->setAdminUser();
     $course = $this->getDataGenerator()->create_course();
     $this->assertFalse($DB->record_exists('imscp', array('course' => $course->id)));
     $imscp = $this->getDataGenerator()->create_module('imscp', array('course' => $course));
     $records = $DB->get_records('imscp', array('course' => $course->id), 'id');
     $this->assertEquals(1, count($records));
     $this->assertTrue(array_key_exists($imscp->id, $records));
     $params = array('course' => $course->id, 'name' => 'Another imscp');
     $imscp = $this->getDataGenerator()->create_module('imscp', $params);
     $records = $DB->get_records('imscp', array('course' => $course->id), 'id');
     $this->assertEquals(2, count($records));
     $this->assertEquals('Another imscp', $records[$imscp->id]->name);
     // Examples of specifying the package file (do not validate anything, just check for exceptions).
     // 1. As path to the file in filesystem:
     $params = array('course' => $course->id, 'packagepath' => $CFG->dirroot . '/mod/imscp/tests/packages/singlescobasic.zip');
     $imscp = $this->getDataGenerator()->create_module('imscp', $params);
     // 2. As file draft area id:
     $fs = get_file_storage();
     $params = array('course' => $course->id, 'package' => file_get_unused_draft_itemid());
     $usercontext = context_user::instance($USER->id);
     $filerecord = array('component' => 'user', 'filearea' => 'draft', 'contextid' => $usercontext->id, 'itemid' => $params['package'], 'filename' => 'singlescobasic.zip', 'filepath' => '/');
     $fs->create_file_from_pathname($filerecord, $CFG->dirroot . '/mod/imscp/tests/packages/singlescobasic.zip');
     $imscp = $this->getDataGenerator()->create_module('imscp', $params);
 }

 public function create_instance($record = null, array $options = null)
 {
     global $CFG, $USER;
     require_once $CFG->dirroot . '/mod/scorm/lib.php';
     require_once $CFG->dirroot . '/mod/scorm/locallib.php';
     $cfgscorm = get_config('scorm');
     // Add default values for scorm.
     $record = (array) $record + array('scormtype' => SCORM_TYPE_LOCAL, 'packagefile' => '', 'packagefilepath' => $CFG->dirroot . '/mod/scorm/tests/packages/singlescobasic.zip', 'packageurl' => '', 'updatefreq' => SCORM_UPDATE_NEVER, 'popup' => 0, 'width' => $cfgscorm->framewidth, 'height' => $cfgscorm->frameheight, 'skipview' => $cfgscorm->skipview, 'hidebrowse' => $cfgscorm->hidebrowse, 'displaycoursestructure' => $cfgscorm->displaycoursestructure, 'hidetoc' => $cfgscorm->hidetoc, 'nav' => $cfgscorm->nav, 'navpositionleft' => $cfgscorm->navpositionleft, 'navpositiontop' => $cfgscorm->navpositiontop, 'displayattemptstatus' => $cfgscorm->displayattemptstatus, 'timeopen' => 0, 'timeclose' => 0, 'grademethod' => GRADESCOES, 'maxgrade' => $cfgscorm->maxgrade, 'maxattempt' => $cfgscorm->maxattempt, 'whatgrade' => $cfgscorm->whatgrade, 'forcenewattempt' => $cfgscorm->forcenewattempt, 'lastattemptlock' => $cfgscorm->lastattemptlock, 'forcecompleted' => $cfgscorm->forcecompleted, 'auto' => $cfgscorm->auto);
     // The 'packagefile' value corresponds to the draft file area ID. If not specified, create from packagefilepath.
     if (empty($record['packagefile']) && $record['scormtype'] === SCORM_TYPE_LOCAL) {
         if (!isloggedin() || isguestuser()) {
             throw new coding_exception('Scorm generator requires a current user');
         }
         if (!file_exists($record['packagefilepath'])) {
             throw new coding_exception("File {$record['packagefilepath']} does not exist");
         }
         $usercontext = context_user::instance($USER->id);
         // Pick a random context id for specified user.
         $record['packagefile'] = file_get_unused_draft_itemid();
         // Add actual file there.
         $filerecord = array('component' => 'user', 'filearea' => 'draft', 'contextid' => $usercontext->id, 'itemid' => $record['packagefile'], 'filename' => basename($record['packagefilepath']), 'filepath' => '/');
         $fs = get_file_storage();
         $fs->create_file_from_pathname($filerecord, $record['packagefilepath']);
     }
     return parent::create_instance($record, (array) $options);
 }

 public function test_assessable_uploaded()
 {
     $this->resetAfterTest();
     $user = $this->getDataGenerator()->create_user();
     $course = $this->getDataGenerator()->create_course();
     $generator = $this->getDataGenerator()->get_plugin_generator('mod_assign');
     $params['course'] = $course->id;
     $instance = $generator->create_instance($params);
     $cm = get_coursemodule_from_instance('assign', $instance->id);
     $context = context_module::instance($cm->id);
     $assign = new testable_assign($context, $cm, $course);
     $this->setUser($user->id);
     $submission = $assign->get_user_submission($user->id, true);
     $data = new stdClass();
     $data->onlinetext_editor = array('itemid' => file_get_unused_draft_itemid(), 'text' => 'Submission text', 'format' => FORMAT_PLAIN);
     $plugin = $assign->get_submission_plugin_by_type('onlinetext');
     $sink = $this->redirectEvents();
     $plugin->save($submission, $data);
     $events = $sink->get_events();
     $this->assertCount(1, $events);
     $event = reset($events);
     $this->assertInstanceOf('\\assignsubmission_onlinetext\\event\\assessable_uploaded', $event);
     $this->assertEquals($context->id, $event->contextid);
     $this->assertEquals($submission->id, $event->objectid);
     $this->assertEquals(array(), $event->other['pathnamehashes']);
     $this->assertEquals('Submission text', $event->other['content']);
     $expected = new stdClass();
     $expected->modulename = 'assign';
     $expected->cmid = $cm->id;
     $expected->itemid = $submission->id;
     $expected->courseid = $course->id;
     $expected->userid = $user->id;
     $expected->content = 'Submission text';
     $this->assertEventLegacyData($expected, $event);
 }

 public function create_instance($record = null, array $options = null)
 {
     global $CFG;
     require_once $CFG->libdir . '/filelib.php';
     $workshopconfig = get_config('workshop');
     // Add default values for workshop.
     $record = (array) $record + array('strategy' => $workshopconfig->strategy, 'grade' => $workshopconfig->grade, 'gradinggrade' => $workshopconfig->gradinggrade, 'gradedecimals' => $workshopconfig->gradedecimals, 'nattachments' => 1, 'maxbytes' => $workshopconfig->maxbytes, 'latesubmissions' => 0, 'useselfassessment' => 0, 'overallfeedbackmode' => 1, 'overallfeedbackfiles' => 0, 'overallfeedbackmaxbytes' => $workshopconfig->maxbytes, 'useexamples' => 0, 'examplesmode' => $workshopconfig->examplesmode, 'submissionstart' => 0, 'submissionend' => 0, 'phaseswitchassessment' => 0, 'assessmentstart' => 0, 'assessmentend' => 0);
     if (!isset($record['gradecategory']) || !isset($record['gradinggradecategory'])) {
         require_once $CFG->libdir . '/gradelib.php';
         $courseid = is_object($record['course']) ? $record['course']->id : $record['course'];
         $gradecategories = grade_get_categories_menu($courseid);
         reset($gradecategories);
         $defaultcategory = key($gradecategories);
         $record += array('gradecategory' => $defaultcategory, 'gradinggradecategory' => $defaultcategory);
     }
     if (!isset($record['instructauthorseditor'])) {
         $record['instructauthorseditor'] = array('text' => 'Instructions for submission ' . ($this->instancecount + 1), 'format' => FORMAT_MOODLE, 'itemid' => file_get_unused_draft_itemid());
     }
     if (!isset($record['instructreviewerseditor'])) {
         $record['instructreviewerseditor'] = array('text' => 'Instructions for assessment ' . ($this->instancecount + 1), 'format' => FORMAT_MOODLE, 'itemid' => file_get_unused_draft_itemid());
     }
     if (!isset($record['conclusioneditor'])) {
         $record['conclusioneditor'] = array('text' => 'Conclusion ' . ($this->instancecount + 1), 'format' => FORMAT_MOODLE, 'itemid' => file_get_unused_draft_itemid());
     }
     return parent::create_instance($record, (array) $options);
 }

 function display_add_field($recordid = 0)
 {
     global $CFG, $DB, $OUTPUT, $PAGE, $USER;
     $file = false;
     $content = false;
     $displayname = '';
     $fs = get_file_storage();
     $context = $PAGE->context;
     $itemid = null;
     // editing an existing database entry
     if ($recordid) {
         if ($content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
             file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
             if (!empty($content->content)) {
                 if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
                     $usercontext = context_user::instance($USER->id);
                     if (!($files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false))) {
                         return false;
                     }
                     if (empty($content->content1)) {
                         // Print icon if file already exists
                         $src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
                         $displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')) . '<a href="' . $src . '" >' . s($file->get_filename()) . '</a>';
                     } else {
                         $displayname = 'no file added';
                     }
                 }
             }
         }
     } else {
         $itemid = file_get_unused_draft_itemid();
     }
     $html = '';
     // database entry label
     $html .= '<div title="' . s($this->field->description) . '">';
     $html .= '<fieldset><legend><span class="accesshide">' . $this->field->name . '</span></legend>';
     // itemid element
     $html .= '<input type="hidden" name="field_' . $this->field->id . '_file" value="' . $itemid . '" />';
     $options = new stdClass();
     $options->maxbytes = $this->field->param3;
     $options->maxfiles = 1;
     // Limit to one file for the moment, this may be changed if requested as a feature in the future.
     $options->itemid = $itemid;
     $options->accepted_types = '*';
     $options->return_types = FILE_INTERNAL;
     $options->context = $PAGE->context;
     $fm = new form_filemanager($options);
     // Print out file manager.
     $output = $PAGE->get_renderer('core', 'files');
     $html .= $output->render($fm);
     $html .= '</fieldset>';
     $html .= '</div>';
     $module = array('name' => 'form_filemanager', 'fullpath' => '/lib/form/filemanager.js', 'requires' => array('core_filepicker', 'base', 'io-base', 'node', 'json', 'core_dndupload', 'panel', 'resize-plugin', 'dd-plugin'), 'strings' => array(array('error', 'moodle'), array('info', 'moodle'), array('confirmdeletefile', 'repository'), array('draftareanofiles', 'repository'), array('entername', 'repository'), array('enternewname', 'repository'), array('invalidjson', 'repository'), array('popupblockeddownload', 'repository'), array('unknownoriginal', 'repository'), array('confirmdeletefolder', 'repository'), array('confirmdeletefilewithhref', 'repository'), array('confirmrenamefolder', 'repository'), array('confirmrenamefile', 'repository'), array('edit', 'moodle')));
     $PAGE->requires->js_init_call('M.form_filemanager.init', array($fm->options), true, $module);
     return $html;
 }

 public function toHtml()
 {
     global $CFG, $COURSE, $USER, $PAGE, $OUTPUT;
     $id = $this->_attributes['id'];
     $elname = $this->_attributes['name'];
     if ($this->_flagFrozen) {
         return $this->getFrozenHtml();
     }
     if (!($draftitemid = (int) $this->getValue())) {
         // no existing area info provided - let's use fresh new draft area
         $draftitemid = file_get_unused_draft_itemid();
         $this->setValue($draftitemid);
     }
     if ($COURSE->id == SITEID) {
         $context = context_system::instance();
     } else {
         $context = context_course::instance($COURSE->id);
     }
     $client_id = uniqid();
     $args = new stdClass();
     // Need these three to filter repositories list.
     $args->accepted_types = $this->_options['accepted_types'] ? $this->_options['accepted_types'] : '*';
     $args->return_types = $this->_options['return_types'];
     $args->itemid = $draftitemid;
     $args->maxbytes = 0;
     $args->context = $PAGE->context;
     $args->buttonname = $elname . 'choose';
     $args->elementname = $elname;
     // We can only tell the filepicker that we want FILE_REFERENCE repos
     // and which specific repo types we don't want. So here we build a list
     // of all FILE_REFERENCE supplying repos that aren't thebox to force
     // it to only display that one.
     $refrepos = repository::get_instances(array('currentcontext' => $PAGE->context, 'return_types' => FILE_REFERENCE));
     $disabled = array();
     foreach ($refrepos as $repo) {
         if (($name = $repo->get_typename()) != $this->repo) {
             $disabled[] = $name;
         }
     }
     $args->disable_types = $disabled;
     $html = $this->_getTabs();
     $fp = new file_picker($args);
     $options = $fp->options;
     $options->context = $PAGE->context;
     $html .= $OUTPUT->render($fp);
     $html .= '<input type="hidden" name="' . $elname . '" id="' . $id . '" value="' . $draftitemid . '" class="filepickerhidden"/>';
     $module = array('name' => 'form_filepicker', 'fullpath' => '/lib/form/filepicker.js', 'requires' => array('core_filepicker', 'node', 'node-event-simulate', 'core_dndupload'));
     $PAGE->requires->js_init_call('M.form_filepicker.init', array($fp->options), true, $module);
     $nonjsfilepicker = new moodle_url('/repository/draftfiles_manager.php', array('env' => 'filepicker', 'action' => 'browse', 'itemid' => $draftitemid, 'subdirs' => 0, 'maxbytes' => 0, 'maxfiles' => 1, 'ctx_id' => $PAGE->context->id, 'course' => $PAGE->course->id, 'sesskey' => sesskey()));
     // non js file picker
     $html .= '<noscript>';
     $html .= "<div><object type='text/html' data='{$nonjsfilepicker}' height='160' width='600' style='border:1px solid #000'></object></div>";
     $html .= '</noscript>';
     return $html;
 }

 /**
  * Returns an XHTML string for the editor
  *
  * @param string $data
  * @param string $query
  * @return string XHTML string for the editor
  */
 public function output_html($data, $query = '')
 {
     global $USER;
     $default = $this->get_defaultsetting();
     $defaultinfo = $default;
     if (!is_null($default) and $default !== '') {
         $defaultinfo = "\n" . $default;
     }
     $ctx = context_user::instance($USER->id);
     $editor = editors_get_preferred_editor(FORMAT_HTML);
     $options = $this->get_options();
     $draftitemid = file_get_unused_draft_itemid();
     $component = is_null($this->plugin) ? 'core' : $this->plugin;
     $data = file_prepare_draft_area($draftitemid, $options['context']->id, $component, $this->get_full_name() . '_draftitemid', $draftitemid, $options, $data);
     $fpoptions = array();
     $args = new stdClass();
     // need these three to filter repositories list
     $args->accepted_types = array('web_image');
     $args->return_types = $options['return_types'];
     $args->context = $ctx;
     $args->env = 'filepicker';
     // advimage plugin
     $image_options = initialise_filepicker($args);
     $image_options->context = $ctx;
     $image_options->client_id = uniqid();
     $image_options->maxbytes = $options['maxbytes'];
     $image_options->areamaxbytes = $options['areamaxbytes'];
     $image_options->env = 'editor';
     $image_options->itemid = $draftitemid;
     // moodlemedia plugin
     $args->accepted_types = array('video', 'audio');
     $media_options = initialise_filepicker($args);
     $media_options->context = $ctx;
     $media_options->client_id = uniqid();
     $media_options->maxbytes = $options['maxbytes'];
     $media_options->areamaxbytes = $options['areamaxbytes'];
     $media_options->env = 'editor';
     $media_options->itemid = $draftitemid;
     // advlink plugin
     $args->accepted_types = '*';
     $link_options = initialise_filepicker($args);
     $link_options->context = $ctx;
     $link_options->client_id = uniqid();
     $link_options->maxbytes = $options['maxbytes'];
     $link_options->areamaxbytes = $options['areamaxbytes'];
     $link_options->env = 'editor';
     $link_options->itemid = $draftitemid;
     $fpoptions['image'] = $image_options;
     $fpoptions['media'] = $media_options;
     $fpoptions['link'] = $link_options;
     $editor->use_editor($this->get_id(), $options, $fpoptions);
     return format_admin_setting($this, $this->visiblename, '<div class="form-textarea"><textarea rows="' . $this->rows . '" cols="' . $this->cols . '" id="' . $this->get_id() . '" name="' . $this->get_full_name() . '" spellcheck="true">' . s($data) . '</textarea></div>
     <input value="' . $draftitemid . '" name="' . $this->get_full_name() . '_draftitemid" type="hidden" />', $this->description, true, '', $defaultinfo, $query);
 }

 public function create_instance($record = null, array $options = null)
 {
     global $CFG;
     // Add default values for lesson.
     $record = (array) $record + array('progressbar' => 0, 'ongoing' => 0, 'displayleft' => 0, 'displayleftif' => 0, 'slideshow' => 0, 'maxanswers' => $CFG->lesson_maxanswers, 'feedback' => 0, 'activitylink' => 0, 'available' => 0, 'deadline' => 0, 'usepassword' => 0, 'password' => '', 'dependency' => 0, 'timespent' => 0, 'completed' => 0, 'gradebetterthan' => 0, 'modattempts' => 0, 'review' => 0, 'maxattempts' => 1, 'nextpagedefault' => $CFG->lesson_defaultnextpage, 'maxpages' => 0, 'practice' => 0, 'custom' => 1, 'retake' => 0, 'usemaxgrade' => 0, 'minquestions' => 0, 'grade' => 100);
     if (!isset($record['mediafile'])) {
         require_once $CFG->libdir . '/filelib.php';
         $record['mediafile'] = file_get_unused_draft_itemid();
     }
     return parent::create_instance($record, (array) $options);
 }

 function display_add_field($recordid = 0)
 {
     global $CFG, $DB, $OUTPUT, $PAGE, $USER;
     $file = false;
     $content = false;
     $displayname = '';
     $fs = get_file_storage();
     $context = $PAGE->context;
     $itemid = null;
     // editing an existing database entry
     if ($recordid) {
         if ($content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
             file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
             if (!empty($content->content)) {
                 if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
                     $usercontext = context_user::instance($USER->id);
                     if (!($files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false))) {
                         return false;
                     }
                     if (empty($content->content1)) {
                         // Print icon if file already exists
                         $src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
                         $displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')) . '<a href="' . $src . '" >' . s($file->get_filename()) . '</a>';
                     } else {
                         $displayname = 'no file added';
                     }
                 }
             }
         }
     } else {
         $itemid = file_get_unused_draft_itemid();
     }
     $html = '';
     // database entry label
     $html .= '<div title="' . s($this->field->description) . '">';
     $html .= '<fieldset><legend><span class="accesshide">' . $this->field->name . '</span></legend>';
     // itemid element
     $html .= '<input type="hidden" name="field_' . $this->field->id . '_file" value="' . $itemid . '" />';
     $options = new stdClass();
     $options->maxbytes = $this->field->param3;
     $options->maxfiles = 1;
     // Limit to one file for the moment, this may be changed if requested as a feature in the future.
     $options->itemid = $itemid;
     $options->accepted_types = '*';
     $options->return_types = FILE_INTERNAL;
     $options->context = $PAGE->context;
     $fm = new form_filemanager($options);
     // Print out file manager.
     $output = $PAGE->get_renderer('core', 'files');
     $html .= $output->render($fm);
     $html .= '</fieldset>';
     $html .= '</div>';
     return $html;
 }

 public function create_instance($record = null, array $options = null)
 {
     // Add default values for folder.
     $record = (array) $record + array('display' => 0);
     if (!isset($record['showexpanded'])) {
         $record['showexpanded'] = get_config('folder', 'showexpanded');
     }
     if (!isset($record['files'])) {
         $record['files'] = file_get_unused_draft_itemid();
     }
     return parent::create_instance($record, (array) $options);
 }

 function display_add_field($recordid = 0)
 {
     global $CFG, $DB, $OUTPUT, $PAGE, $USER;
     $file = false;
     $content = false;
     $displayname = '';
     $fs = get_file_storage();
     $context = $PAGE->context;
     $itemid = null;
     // editing an existing database entry
     if ($recordid) {
         if ($content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
             file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
             if (!empty($content->content)) {
                 if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
                     $usercontext = get_context_instance(CONTEXT_USER, $USER->id);
                     if (!($files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false))) {
                         return false;
                     }
                     if (empty($content->content1)) {
                         // Print icon if file already exists
                         $src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
                         $displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')) . '<a href="' . $src . '" >' . s($file->get_filename()) . '</a>';
                     } else {
                         $displayname = 'no file added';
                     }
                 }
             }
         }
     } else {
         $itemid = file_get_unused_draft_itemid();
     }
     $html = '';
     // database entry label
     $html .= '<div title="' . s($this->field->description) . '">';
     $html .= '<fieldset><legend><span class="accesshide">' . $this->field->name . '</span></legend>';
     // itemid element
     $html .= '<input type="hidden" name="field_' . $this->field->id . '_file" value="' . $itemid . '" />';
     $options = new stdClass();
     $options->maxbytes = $this->field->param3;
     $options->itemid = $itemid;
     $options->accepted_types = '*';
     $options->return_types = FILE_INTERNAL;
     $options->context = $PAGE->context;
     $fp = new file_picker($options);
     // print out file picker
     $html .= $OUTPUT->render($fp);
     $html .= '</fieldset>';
     $html .= '</div>';
     $module = array('name' => 'data_filepicker', 'fullpath' => '/mod/data/data.js', 'requires' => array('core_filepicker'));
     $PAGE->requires->js_init_call('M.data_filepicker.init', array($fp->options), true, $module);
     return $html;
 }

 public function create_instance($record = null, array $options = null)
 {
     global $CFG;
     // Add default values for lesson.
     $lessonconfig = get_config('mod_lesson');
     $record = (array) $record + array('progressbar' => $lessonconfig->progressbar, 'ongoing' => $lessonconfig->ongoing, 'displayleft' => $lessonconfig->displayleftmenu, 'displayleftif' => $lessonconfig->displayleftif, 'slideshow' => $lessonconfig->slideshow, 'maxanswers' => $lessonconfig->maxanswers, 'feedback' => $lessonconfig->defaultfeedback, 'activitylink' => 0, 'available' => 0, 'deadline' => 0, 'usepassword' => 0, 'password' => '', 'dependency' => 0, 'timespent' => 0, 'completed' => 0, 'gradebetterthan' => 0, 'modattempts' => $lessonconfig->modattempts, 'review' => $lessonconfig->displayreview, 'maxattempts' => $lessonconfig->maximumnumberofattempts, 'nextpagedefault' => $lessonconfig->defaultnextpage, 'maxpages' => $lessonconfig->numberofpagestoshow, 'practice' => $lessonconfig->practice, 'custom' => $lessonconfig->customscoring, 'retake' => $lessonconfig->retakesallowed, 'usemaxgrade' => $lessonconfig->handlingofretakes, 'minquestions' => $lessonconfig->minimumnumberofquestions, 'grade' => 100);
     if (!isset($record['mediafile'])) {
         require_once $CFG->libdir . '/filelib.php';
         $record['mediafile'] = file_get_unused_draft_itemid();
     }
     return parent::create_instance($record, (array) $options);
 }

 /**
  * Create an assign object and submit an online text submission.
  */
 protected function create_assign_and_submit_text()
 {
     $assign = $this->create_instance(array('assignsubmission_onlinetext_enabled' => 1, 'assignfeedback_comments_enabled' => 1));
     $user = $this->students[0];
     $this->setUser($user);
     // Create an online text submission.
     $submission = $assign->get_user_submission($user->id, true);
     $data = new stdClass();
     $data->onlinetext_editor = array('text' => '<p>This is some text.</p>', 'format' => 1, 'itemid' => file_get_unused_draft_itemid());
     $plugin = $assign->get_submission_plugin_by_type('onlinetext');
     $plugin->save($submission, $data);
     return $assign;
 }

 /**
  * Test for folder file attachments.
  *
  * @return void
  */
 public function test_attach_files()
 {
     global $USER;
     $this->setAdminUser();
     // Setup test data.
     $course = $this->getDataGenerator()->create_course();
     $fs = get_file_storage();
     $usercontext = context_user::instance($USER->id);
     $record = new stdClass();
     $record->course = $course->id;
     $record->files = file_get_unused_draft_itemid();
     // Attach the main file. We put them in the draft area, create_module will move them.
     $filerecord = array('contextid' => $usercontext->id, 'component' => 'user', 'filearea' => 'draft', 'itemid' => $record->files, 'filepath' => '/');
     // Attach 4 files.
     for ($i = 1; $i <= 4; $i++) {
         $filerecord['filename'] = 'myfile' . $i;
         $fs->create_file_from_string($filerecord, 'Test folder file ' . $i);
     }
     // And a fifth in a sub-folder.
     $filerecord['filename'] = 'myfile5';
     $filerecord['filepath'] = '/subfolder/';
     $fs->create_file_from_string($filerecord, 'Test folder file 5');
     $this->getDataGenerator()->create_module('folder', $record);
     // Returns the instance as long as the area is supported.
     $searcharea = \core_search\manager::get_search_area($this->folderareaid);
     $this->assertInstanceOf('\\mod_folder\\search\\activity', $searcharea);
     $recordset = $searcharea->get_recordset_by_timestamp(0);
     $nrecords = 0;
     foreach ($recordset as $record) {
         $doc = $searcharea->get_document($record);
         $searcharea->attach_files($doc);
         $files = $doc->get_files();
         // Folder should return all files attached.
         $this->assertCount(5, $files);
         // We don't know the order, so get all the names, then sort, then check.
         $filenames = array();
         foreach ($files as $file) {
             $filenames[] = $file->get_filename();
         }
         sort($filenames);
         for ($i = 1; $i <= 5; $i++) {
             $this->assertEquals('myfile' . $i, $filenames[$i - 1]);
         }
         $nrecords++;
     }
     // If there would be an error/failure in the foreach above the recordset would be closed on shutdown.
     $recordset->close();
     $this->assertEquals(1, $nrecords);
 }