PHP file_folder_icon函数代码示例

    /**
     * Internal function - creates htmls structure suitable for YUI tree.
     */
    protected function htmllize_tree($tree, $dir) {
        global $CFG;

        if (empty($dir['subdirs']) and empty($dir['files'])) {
            return '';
        }
        $browser = get_file_browser();
        $result = '<ul>';
        foreach ($dir['subdirs'] as $subdir) {
            $image = $this->output->pix_icon(file_folder_icon(24), $subdir['dirname'], 'moodle');
            $filename = html_writer::tag('span', $image, array('class' => 'fp-icon')). html_writer::tag('span', s($subdir['dirname']), array('class' => 'fp-filename'));
            $filename = html_writer::tag('div', $filename, array('class' => 'fp-filename-icon'));
            $result .= html_writer::tag('li', $filename. $this->htmllize_tree($tree, $subdir));
        }
        foreach ($dir['files'] as $file) {
            $fileinfo = $browser->get_file_info($tree->context, $file->get_component(),
                    $file->get_filearea(), $file->get_itemid(), $file->get_filepath(), $file->get_filename());
            $url = $fileinfo->get_url(true);
            $filename = $file->get_filename();
            if ($imageinfo = $fileinfo->get_imageinfo()) {
                $fileurl = new moodle_url($fileinfo->get_url());
                $image = $fileurl->out(false, array('preview' => 'tinyicon', 'oid' => $fileinfo->get_timemodified()));
                $image = html_writer::empty_tag('img', array('src' => $image));
            } else {
                $image = $this->output->pix_icon(file_file_icon($file, 24), $filename, 'moodle');
            }
            $filename = html_writer::tag('span', $image, array('class' => 'fp-icon')). html_writer::tag('span', $filename, array('class' => 'fp-filename'));
            $filename = html_writer::tag('span', html_writer::link($url, $filename), array('class' => 'fp-filename-icon'));
            $result .= html_writer::tag('li', $filename);
        }
        $result .= '</ul>';

        return $result;
    }

 /**
  * Returns a list of files the user has formated for files api
  *
  * @param string $path the path which we are in
  * @return mixed Array of files formated for fileapoi
  */
 public function get_file_list($path = '')
 {
     global $OUTPUT;
     if (empty($path)) {
         $url = self::API . "/me/skydrive/files/";
     } else {
         $url = self::API . "/{$path}/files/";
     }
     $ret = json_decode($this->get($url));
     if (isset($ret->error)) {
         $this->log_out();
         return false;
     }
     $files = array();
     foreach ($ret->data as $file) {
         switch ($file->type) {
             case 'folder':
                 $files[] = array('title' => $file->name, 'path' => $file->id, 'size' => 0, 'date' => strtotime($file->updated_time), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'children' => array());
                 break;
             case 'photo':
                 $files[] = array('title' => $file->name, 'size' => $file->size, 'date' => strtotime($file->updated_time), 'thumbnail' => $file->picture, 'source' => $file->id, 'url' => $file->link);
                 break;
             case 'video':
                 $files[] = array('title' => $file->name, 'size' => $file->size, 'date' => strtotime($file->updated_time), 'thumbnail' => $file->picture, 'source' => $file->id, 'url' => $file->link);
                 break;
             case 'audio':
                 $files[] = array('title' => $file->name, 'size' => $file->size, 'date' => strtotime($file->updated_time), 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($file->name, 90))->out(false), 'source' => $file->id, 'url' => $file->link);
                 break;
             case 'file':
                 $files[] = array('title' => $file->name, 'size' => $file->size, 'date' => strtotime($file->updated_time), 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($file->name, 90))->out(false), 'source' => $file->id, 'url' => $file->link);
                 break;
         }
     }
     return $files;
 }

 /**
  * Get S3 file list
  *
  * @param string $path
  * @return array The file list and options
  */
 public function get_listing($path = '', $page = '')
 {
     global $CFG, $OUTPUT;
     if (empty($this->access_key)) {
         die(json_encode(array('e' => get_string('needaccesskey', 'repository_s3'))));
     }
     $list = array();
     $list['list'] = array();
     // the management interface url
     $list['manage'] = false;
     // dynamically loading
     $list['dynload'] = true;
     // the current path of this list.
     // set to true, the login link will be removed
     $list['nologin'] = true;
     // set to true, the search button will be removed
     $list['nosearch'] = true;
     $tree = array();
     if (empty($path)) {
         $buckets = $this->s->listBuckets();
         foreach ($buckets as $bucket) {
             $folder = array('title' => $bucket, 'children' => array(), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'path' => $bucket);
             $tree[] = $folder;
         }
     } else {
         $contents = $this->s->getBucket($path);
         foreach ($contents as $file) {
             $info = $this->s->getObjectInfo($path, baseName($file['name']));
             $tree[] = array('title' => $file['name'], 'size' => $file['size'], 'date' => userdate($file['time']), 'source' => $path . '/' . $file['name'], 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($file['name'], 90))->out(false));
         }
     }
     $list['list'] = $tree;
     return $list;
 }

    /**
     * Internal function - creates htmls structure suitable for YUI tree.
     */
    protected function htmllize_tree($tree, $dir) {
        global $CFG;
        $yuiconfig = array();
        $yuiconfig['type'] = 'html';

        if (empty($dir['subdirs']) and empty($dir['files'])) {
            return '';
        }

        $result = '<ul>';
        foreach ($dir['subdirs'] as $subdir) {
            $image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class'=>'icon'));
            $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.s($subdir['dirname']).'</div> '.$this->htmllize_tree($tree, $subdir).'</li>';
        }

        foreach ($dir['files'] as $file) {
            $filename = $file->get_filename();
            if ($CFG->enableplagiarism) {
                require_once($CFG->libdir.'/plagiarismlib.php');
                $plagiarsmlinks = plagiarism_get_links(array('userid'=>$file->get_userid(), 'file'=>$file, 'cmid'=>$tree->cm->id, 'course'=>$tree->course));
            } else {
                $plagiarsmlinks = '';
            }
            $image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class'=>'icon'));
            $result .= '<li yuiConfig=\''.json_encode($yuiconfig).'\'><div>'.$image.' '.$file->fileurl.' '.$plagiarsmlinks.$file->portfoliobutton.'</div></li>';
        }

        $result .= '</ul>';

        return $result;
    }

 protected function get_other_values(renderer_base $output)
 {
     $filename = $this->file->get_filename();
     $filenameshort = $filename;
     if (core_text::strlen($filename) > 25) {
         $filenameshort = shorten_text(substr($filename, 0, -4), 21, true, '..');
         $filenameshort .= substr($filename, -4);
     }
     $icon = $this->file->is_directory() ? file_folder_icon() : file_file_icon($this->file);
     $iconurl = $output->pix_url($icon, 'core');
     $url = moodle_url::make_pluginfile_url($this->file->get_contextid(), $this->file->get_component(), $this->file->get_filearea(), $this->file->get_itemid(), $this->file->get_filepath(), $this->file->get_filename(), true);
     return array('filenameshort' => $filenameshort, 'filesizeformatted' => display_size((int) $this->file->get_filesize()), 'icon' => $icon, 'iconurl' => $iconurl->out(false), 'url' => $url->out(false), 'timecreatedformatted' => userdate($this->file->get_timecreated()), 'timemodifiedformatted' => userdate($this->file->get_timemodified()));
 }

 /**
  * Get file listing
  *
  * @param string $path
  * @param string $path not used by this plugin
  * @return mixed
  */
 public function get_listing($path = '', $page = '')
 {
     global $USER, $OUTPUT;
     $itemid = optional_param('itemid', 0, PARAM_INT);
     $env = optional_param('env', 'filepicker', PARAM_ALPHA);
     $ret = array('dynload' => true, 'nosearch' => true, 'nologin' => true, 'list' => array());
     if (empty($itemid) || $env !== 'editor') {
         return $ret;
     }
     // In the most cases files embedded in textarea do not have subfolders. Do not show path by default.
     $retpath = array(array('name' => get_string('files'), 'path' => ''));
     if (!empty($path)) {
         $pathchunks = preg_split('|/|', trim($path, '/'));
         foreach ($pathchunks as $i => $chunk) {
             $retpath[] = array('name' => $chunk, 'path' => '/' . join('/', array_slice($pathchunks, 0, $i + 1)) . '/');
         }
         $ret['path'] = $retpath;
         // Show path if already inside subfolder.
     }
     $context = context_user::instance($USER->id);
     $fs = get_file_storage();
     $files = $fs->get_directory_files($context->id, 'user', 'draft', $itemid, empty($path) ? '/' : $path, false, true);
     foreach ($files as $file) {
         if ($file->is_directory()) {
             $node = array('title' => basename($file->get_filepath()), 'path' => $file->get_filepath(), 'children' => array(), 'datemodified' => $file->get_timemodified(), 'datecreated' => $file->get_timecreated(), 'icon' => $OUTPUT->pix_url(file_folder_icon(24))->out(false), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false));
             $ret['list'][] = $node;
             $ret['path'] = $retpath;
             // Show path if subfolders exist.
             continue;
         }
         $fileurl = moodle_url::make_draftfile_url($itemid, $file->get_filepath(), $file->get_filename());
         $node = array('title' => $file->get_filename(), 'size' => $file->get_filesize(), 'source' => $fileurl->out(), 'datemodified' => $file->get_timemodified(), 'datecreated' => $file->get_timecreated(), 'author' => $file->get_author(), 'license' => $file->get_license(), 'isref' => $file->is_external_file(), 'icon' => $OUTPUT->pix_url(file_file_icon($file, 24))->out(false), 'thumbnail' => $OUTPUT->pix_url(file_file_icon($file, 90))->out(false));
         if ($file->get_status() == 666) {
             $node['originalmissing'] = true;
         }
         if ($imageinfo = $file->get_imageinfo()) {
             $node['realthumbnail'] = $fileurl->out(false, array('preview' => 'thumb', 'oid' => $file->get_timemodified()));
             $node['realicon'] = $fileurl->out(false, array('preview' => 'tinyicon', 'oid' => $file->get_timemodified()));
             $node['image_width'] = $imageinfo['width'];
             $node['image_height'] = $imageinfo['height'];
         }
         $ret['list'][] = $node;
     }
     $ret['list'] = array_filter($ret['list'], array($this, 'filter'));
     return $ret;
 }

    public function render_files_tree_viewer(files_tree_viewer $tree) {
        $html = $this->output->heading_with_help(get_string('coursefiles'), 'courselegacyfiles', 'moodle');

        $html .= $this->output->container_start('coursefilesbreadcrumb');
        foreach($tree->path as $path) {
            $html .= $path;
            $html .= ' / ';
        }
        $html .= $this->output->container_end();

        $html .= $this->output->box_start();
        $table = new html_table();
        $table->head = array(get_string('name'), get_string('lastmodified'), get_string('size', 'repository'), get_string('type', 'repository'));
        $table->align = array('left', 'left', 'left', 'left');
        $table->width = '100%';
        $table->data = array();

        foreach ($tree->tree as $file) {
            $filedate = $filesize = $filetype = '';
            if ($file['filedate']) {
                $filedate = userdate($file['filedate'], get_string('strftimedatetimeshort', 'langconfig'));
            }
            if (empty($file['isdir'])) {
                if ($file['filesize']) {
                    $filesize = display_size($file['filesize']);
                }
                $fileicon = file_file_icon($file, 24);
                $filetype = get_mimetype_description($file);
            } else {
                $fileicon = file_folder_icon(24);
            }
            $table->data[] = array(
                html_writer::link($file['url'], $this->output->pix_icon($fileicon, get_string('icon')) . ' ' . $file['filename']),
                $filedate,
                $filesize,
                $filetype
                );
        }

        $html .= html_writer::table($table);
        $html .= $this->output->single_button(new moodle_url('/files/coursefilesedit.php', array('contextid'=>$tree->context->id)), get_string('coursefilesedit'), 'get');
        $html .= $this->output->box_end();
        return $html;
    }

 function get_listing($path = '', $page = '')
 {
     global $OUTPUT;
     if (!empty($path)) {
         $pathArray = json_decode($path);
     } else {
         $pathArray = array(array('name' => '', 'type' => 'top-communities'));
     }
     $list = array();
     $list['nologin'] = true;
     $list['dynload'] = true;
     $list['nosearch'] = true;
     $list['list'] = array();
     $lastPath = (array) end($pathArray);
     $results = $this->getChildrenByType($lastPath);
     foreach ($results as $result) {
         $itemPath = $pathArray;
         $itemPath[] = array('name' => $result->name, 'id' => $result->id, 'type' => $result->type);
         if ($result->countItems === 0) {
             continue;
         }
         $baseElement = array('title' => $result->name);
         switch ($result->type) {
             case 'community':
             case 'collection':
             case 'item':
                 $typeOptions = array('children' => array(), 'dynload' => true, 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(64))->out(false), 'path' => json_encode($itemPath));
                 break;
             case 'bitstream':
                 $typeOptions = array('thumbnail' => $OUTPUT->pix_url(file_extension_icon($result->name, 64))->out(false), 'url' => $this->rest_url . 'bitstreams/' . $result->id . '/retrieve', 'source' => $this->rest_url . 'bitstreams/' . $result->id . '/retrieve');
                 break;
         }
         $list['list'][] = array_merge($baseElement, $typeOptions);
     }
     $list['path'] = array();
     while (count($pathArray) > 0) {
         $lastItem = (array) end($pathArray);
         array_unshift($list['path'], array('path' => json_encode($pathArray), 'name' => strlen($lastItem['name']) <= 20 ? $lastItem['name'] : substr($lastItem['name'], 0, 17) . '...'));
         array_pop($pathArray);
     }
     return $list;
 }

 /**
  * Get S3 file list
  *
  * @param string $path this parameter can a folder name, or a identification of folder
  * @param string $page the page number of file list
  * @return array the list of files, including some meta infomation
  */
 public function get_listing($path = '', $page = '')
 {
     global $OUTPUT;
     $s = $this->create_s3();
     $bucket = $this->get_option('bucket_name');
     $list = array();
     $list['list'] = array();
     $list['path'] = array(array('name' => $bucket, 'path' => ''));
     $list['manage'] = false;
     $list['dynload'] = true;
     $list['nologin'] = true;
     $list['nosearch'] = true;
     $files = array();
     $folders = array();
     try {
         $contents = $s->getBucket($bucket, $path, null, null, '/', true);
     } catch (S3Exception $e) {
         throw new moodle_exception('errorwhilecommunicatingwith', 'repository', '', $this->get_name(), $e->getMessage());
     }
     foreach ($contents as $object) {
         if (isset($object['prefix'])) {
             $title = rtrim($object['prefix'], '/');
         } else {
             $title = $object['name'];
         }
         if (strlen($path) > 0) {
             $title = substr($title, strlen($path));
             if (empty($title) && !is_numeric($title)) {
                 continue;
             }
         }
         if (isset($object['prefix'])) {
             $folders[] = array('title' => $title, 'children' => array(), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'path' => $object['prefix']);
         } else {
             $files[] = array('title' => $title, 'size' => $object['size'], 'datemodified' => $object['time'], 'source' => $object['name'], 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($title, 90))->out(false));
         }
     }
     $list['list'] = array_merge($folders, $files);
     return $list;
 }

 /**
  * Internal function - creates htmls structure suitable for YUI tree.
  * @param user_files_tree $tree
  * @param array $dir
  * @return string HTML
  */
 protected function htmllize_tree($tree, $dir)
 {
     global $CFG;
     $yuiconfig = array();
     $yuiconfig['type'] = 'html';
     if (empty($dir['subdirs']) and empty($dir['files'])) {
         return '';
     }
     $result = '<ul>';
     foreach ($dir['subdirs'] as $subdir) {
         $image = $this->output->pix_icon(file_folder_icon(), $subdir['dirname'], 'moodle', array('class' => 'icon'));
         $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'><div>' . $image . ' ' . s($subdir['dirname']) . '</div> ' . $this->htmllize_tree($tree, $subdir) . '</li>';
     }
     foreach ($dir['files'] as $file) {
         $url = file_encode_url("{$CFG->wwwroot}/pluginfile.php", '/' . $tree->context->id . '/user/private' . $file->get_filepath() . $file->get_filename(), true);
         $filename = $file->get_filename();
         $image = $this->output->pix_icon(file_file_icon($file), $filename, 'moodle', array('class' => 'icon'));
         $result .= '<li yuiConfig=\'' . json_encode($yuiconfig) . '\'><div>' . $image . ' ' . html_writer::link($url, $filename) . '</div></li>';
     }
     $result .= '</ul>';
     return $result;
 }

 /**
  * Get the list of files and directories in that repository.
  *
  * @param string $path to browse.
  * @param string $page page number.
  * @return array list of files and folders.
  */
 public function get_listing($path = '', $page = '')
 {
     global $OUTPUT;
     $list = array();
     $list['list'] = array();
     $list['manage'] = false;
     $list['dynload'] = true;
     $list['nologin'] = true;
     $list['nosearch'] = true;
     $list['path'] = array(array('name' => get_string('root', 'repository_filesystem'), 'path' => ''));
     $path = trim($path, '/');
     if (!$this->is_in_repository($path)) {
         // In case of doubt on the path, reset to default.
         $path = '';
     }
     $abspath = rtrim($this->get_rootpath() . $path, '/') . '/';
     // Construct the breadcrumb.
     $trail = '';
     if ($path !== '') {
         $parts = explode('/', $path);
         if (count($parts) > 1) {
             foreach ($parts as $part) {
                 if (!empty($part)) {
                     $trail .= '/' . $part;
                     $list['path'][] = array('name' => $part, 'path' => $trail);
                 }
             }
         } else {
             $list['path'][] = array('name' => $path, 'path' => $path);
         }
     }
     // Retrieve list of files and directories and sort them.
     $fileslist = array();
     $dirslist = array();
     if ($dh = opendir($abspath)) {
         while (($file = readdir($dh)) != false) {
             if ($file != '.' and $file != '..') {
                 if (is_file($abspath . $file)) {
                     $fileslist[] = $file;
                 } else {
                     $dirslist[] = $file;
                 }
             }
         }
     }
     core_collator::asort($fileslist, core_collator::SORT_NATURAL);
     core_collator::asort($dirslist, core_collator::SORT_NATURAL);
     // Fill the $list['list'].
     foreach ($dirslist as $file) {
         $list['list'][] = array('title' => $file, 'children' => array(), 'datecreated' => filectime($abspath . $file), 'datemodified' => filemtime($abspath . $file), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'path' => $path . '/' . $file);
     }
     foreach ($fileslist as $file) {
         $node = array('title' => $file, 'source' => $path . '/' . $file, 'size' => filesize($abspath . $file), 'datecreated' => filectime($abspath . $file), 'datemodified' => filemtime($abspath . $file), 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($file, 90))->out(false), 'icon' => $OUTPUT->pix_url(file_extension_icon($file, 24))->out(false));
         if (file_extension_in_typegroup($file, 'image') && ($imageinfo = @getimagesize($abspath . $file))) {
             // This means it is an image and we can return dimensions and try to generate thumbnail/icon.
             $token = $node['datemodified'] . $node['size'];
             // To prevent caching by browser.
             $node['realthumbnail'] = $this->get_thumbnail_url($path . '/' . $file, 'thumb', $token)->out(false);
             $node['realicon'] = $this->get_thumbnail_url($path . '/' . $file, 'icon', $token)->out(false);
             $node['image_width'] = $imageinfo[0];
             $node['image_height'] = $imageinfo[1];
         }
         $list['list'][] = $node;
     }
     $list['list'] = array_filter($list['list'], array($this, 'filter'));
     return $list;
 }

 public function get_listing($path = '', $page = '') {
     global $CFG, $OUTPUT;
     $list = array();
     $list['list'] = array();
     // process breacrumb trail
     $list['path'] = array(
         array('name'=>get_string('root', 'repository_filesystem'), 'path'=>'')
     );
     $trail = '';
     if (!empty($path)) {
         $parts = explode('/', $path);
         if (count($parts) > 1) {
             foreach ($parts as $part) {
                 if (!empty($part)) {
                     $trail .= ('/'.$part);
                     $list['path'][] = array('name'=>$part, 'path'=>$trail);
                 }
             }
         } else {
             $list['path'][] = array('name'=>$path, 'path'=>$path);
         }
         $this->root_path .= ($path.'/');
     }
     $list['manage'] = false;
     $list['dynload'] = true;
     $list['nologin'] = true;
     $list['nosearch'] = true;
     // retrieve list of files and directories and sort them
     $fileslist = array();
     $dirslist = array();
     if ($dh = opendir($this->root_path)) {
         while (($file = readdir($dh)) != false) {
             if ( $file != '.' and $file !='..') {
                 if (is_file($this->root_path.$file)) {
                     $fileslist[] = $file;
                 } else {
                     $dirslist[] = $file;
                 }
             }
         }
     }
     collatorlib::asort($fileslist, collatorlib::SORT_STRING);
     collatorlib::asort($dirslist, collatorlib::SORT_STRING);
     // fill the $list['list']
     foreach ($dirslist as $file) {
         if (!empty($path)) {
             $current_path = $path . '/'. $file;
         } else {
             $current_path = $file;
         }
         $list['list'][] = array(
             'title' => $file,
             'children' => array(),
             'datecreated' => filectime($this->root_path.$file),
             'datemodified' => filemtime($this->root_path.$file),
             'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false),
             'path' => $current_path
             );
     }
     foreach ($fileslist as $file) {
         $list['list'][] = array(
             'title' => $file,
             'source' => $path.'/'.$file,
             'size' => filesize($this->root_path.$file),
             'datecreated' => filectime($this->root_path.$file),
             'datemodified' => filemtime($this->root_path.$file),
             'thumbnail' => $OUTPUT->pix_url(file_extension_icon($file, 90))->out(false),
             'icon' => $OUTPUT->pix_url(file_extension_icon($file, 24))->out(false)
         );
     }
     $list['list'] = array_filter($list['list'], array($this, 'filter'));
     return $list;
 }

 /**
  * Get a file list from alfresco
  *
  * @param string $uuid a unique id of directory in alfresco
  * @param string $path path to a directory
  * @return array
  */
 public function get_listing($uuid = '', $path = '')
 {
     global $CFG, $SESSION, $OUTPUT;
     $ret = array();
     $ret['dynload'] = true;
     $ret['list'] = array();
     $server_url = $this->options['alfresco_url'];
     $pattern = '#^(.*)api#';
     if ($return = preg_match($pattern, $server_url, $matches)) {
         $ret['manage'] = $matches[1] . 'faces/jsp/dashboards/container.jsp';
     }
     $ret['path'] = array(array('name' => get_string('pluginname', 'repository_alfresco'), 'path' => ''));
     try {
         if (empty($uuid)) {
             $this->current_node = $this->store->companyHome;
         } else {
             $this->current_node = $this->user_session->getNode($this->store, $uuid);
         }
         $folder_filter = "{http://www.alfresco.org/model/content/1.0}folder";
         $file_filter = "{http://www.alfresco.org/model/content/1.0}content";
         // top level sites folder
         $sites_filter = "{http://www.alfresco.org/model/site/1.0}sites";
         // individual site
         $site_filter = "{http://www.alfresco.org/model/site/1.0}site";
         foreach ($this->current_node->children as $child) {
             if ($child->child->type == $folder_filter or $child->child->type == $sites_filter or $child->child->type == $site_filter) {
                 $ret['list'][] = array('title' => $child->child->cm_name, 'path' => $child->child->id, 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'children' => array());
             } elseif ($child->child->type == $file_filter) {
                 $ret['list'][] = array('title' => $child->child->cm_name, 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($child->child->cm_name, 90))->out(false), 'source' => $child->child->id);
             }
         }
     } catch (Exception $e) {
         unset($SESSION->{$this->sessname});
         $ret = $this->print_login();
     }
     return $ret;
 }

 /**
  * Returns icon of element
  *
  * @param array &$element An array representing an element in the grade_tree
  * @param bool  $spacerifnone return spacer if no icon found
  *
  * @return string icon or spacer
  */
 public function get_element_icon(&$element, $spacerifnone = false)
 {
     global $CFG, $OUTPUT;
     require_once $CFG->libdir . '/filelib.php';
     switch ($element['type']) {
         case 'item':
         case 'courseitem':
         case 'categoryitem':
             $is_course = $element['object']->is_course_item();
             $is_category = $element['object']->is_category_item();
             $is_scale = $element['object']->gradetype == GRADE_TYPE_SCALE;
             $is_value = $element['object']->gradetype == GRADE_TYPE_VALUE;
             $is_outcome = !empty($element['object']->outcomeid);
             if ($element['object']->is_calculated()) {
                 $strcalc = get_string('calculatedgrade', 'grades');
                 return '<img src="' . $OUTPUT->pix_url('i/calc') . '" class="icon itemicon" title="' . s($strcalc) . '" alt="' . s($strcalc) . '"/>';
             } else {
                 if (($is_course or $is_category) and ($is_scale or $is_value)) {
                     if ($category = $element['object']->get_item_category()) {
                         switch ($category->aggregation) {
                             case GRADE_AGGREGATE_MEAN:
                             case GRADE_AGGREGATE_MEDIAN:
                             case GRADE_AGGREGATE_WEIGHTED_MEAN:
                             case GRADE_AGGREGATE_WEIGHTED_MEAN2:
                             case GRADE_AGGREGATE_EXTRACREDIT_MEAN:
                                 $stragg = get_string('aggregation', 'grades');
                                 return '<img src="' . $OUTPUT->pix_url('i/agg_mean') . '" ' . 'class="icon itemicon" title="' . s($stragg) . '" alt="' . s($stragg) . '"/>';
                             case GRADE_AGGREGATE_SUM:
                                 $stragg = get_string('aggregation', 'grades');
                                 return '<img src="' . $OUTPUT->pix_url('i/agg_sum') . '" ' . 'class="icon itemicon" title="' . s($stragg) . '" alt="' . s($stragg) . '"/>';
                         }
                     }
                 } else {
                     if ($element['object']->itemtype == 'mod') {
                         //prevent outcomes being displaying the same icon as the activity they are attached to
                         if ($is_outcome) {
                             $stroutcome = s(get_string('outcome', 'grades'));
                             return '<img src="' . $OUTPUT->pix_url('i/outcomes') . '" ' . 'class="icon itemicon" title="' . $stroutcome . '" alt="' . $stroutcome . '"/>';
                         } else {
                             $strmodname = get_string('modulename', $element['object']->itemmodule);
                             return '<img src="' . $OUTPUT->pix_url('icon', $element['object']->itemmodule) . '" ' . 'class="icon itemicon" title="' . s($strmodname) . '" alt="' . s($strmodname) . '"/>';
                         }
                     } else {
                         if ($element['object']->itemtype == 'manual') {
                             if ($element['object']->is_outcome_item()) {
                                 $stroutcome = get_string('outcome', 'grades');
                                 return '<img src="' . $OUTPUT->pix_url('i/outcomes') . '" ' . 'class="icon itemicon" title="' . s($stroutcome) . '" alt="' . s($stroutcome) . '"/>';
                             } else {
                                 $strmanual = get_string('manualitem', 'grades');
                                 return '<img src="' . $OUTPUT->pix_url('t/manual_item') . '" ' . 'class="icon itemicon" title="' . s($strmanual) . '" alt="' . s($strmanual) . '"/>';
                             }
                         }
                     }
                 }
             }
             break;
         case 'category':
             $strcat = get_string('category', 'grades');
             return '<img src="' . $OUTPUT->pix_url(file_folder_icon()) . '" class="icon itemicon" ' . 'title="' . s($strcat) . '" alt="' . s($strcat) . '" />';
     }
     if ($spacerifnone) {
         return $OUTPUT->spacer() . ' ';
     } else {
         return '';
     }
 }

 /**
  * Transform a onedrive API response for a folder into a list parameter that the respository class can understand.
  *
  * @param string $response The response from the API.
  * @param string $path The list path.
  * @param string $clienttype The type of client that the response is from. onedrive/sharepoint.
  * @param string $spparentsiteuri If using the Sharepoint clienttype, this is the parent site URI.
  * @return array A $list array to be used by the respository class in get_listing.
  */
 protected function contents_api_response_to_list($response, $path, $clienttype, $spparentsiteuri = null)
 {
     global $OUTPUT, $DB;
     $list = [];
     if ($clienttype === 'onedrive') {
         $pathprefix = '/my' . $path;
     } else {
         if ($clienttype === 'unified') {
             $pathprefix = '/my';
         } else {
             if ($clienttype === 'sharepoint') {
                 $pathprefix = '/courses' . $path;
             }
         }
     }
     if ($clienttype === 'unified' && $path === '/' || $clienttype !== 'unified') {
         $list[] = ['title' => get_string('upload', 'repository_office365'), 'path' => $pathprefix . '/upload/', 'thumbnail' => $OUTPUT->pix_url('a/add_file')->out(false), 'children' => []];
     }
     if (isset($response['value'])) {
         foreach ($response['value'] as $content) {
             if ($clienttype === 'unified') {
                 $itempath = $pathprefix . '/' . $content['id'];
             } else {
                 $itempath = $pathprefix . '/' . $content['name'];
             }
             if ($content['type'] === 'Folder') {
                 $list[] = ['title' => $content['name'], 'path' => $itempath, 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false), 'date' => strtotime($content['dateTimeCreated']), 'datemodified' => strtotime($content['dateTimeLastModified']), 'datecreated' => strtotime($content['dateTimeCreated']), 'children' => []];
             } else {
                 if ($content['type'] === 'File') {
                     $url = $content['webUrl'] . '?web=1';
                     $source = ['id' => $content['id'], 'source' => $clienttype === 'sharepoint' ? 'sharepoint' : 'onedrive'];
                     if ($clienttype === 'sharepoint') {
                         $source['parentsiteuri'] = $spparentsiteuri;
                     }
                     $author = '';
                     if (!empty($content['createdBy']['user']['displayName'])) {
                         $author = $content['createdBy']['user']['displayName'];
                         $author = explode(',', $author);
                         $author = $author[0];
                     }
                     $list[] = ['title' => $content['name'], 'date' => strtotime($content['dateTimeCreated']), 'datemodified' => strtotime($content['dateTimeLastModified']), 'datecreated' => strtotime($content['dateTimeCreated']), 'size' => $content['size'], 'url' => $url, 'thumbnail' => $OUTPUT->pix_url(file_extension_icon($content['name'], 90))->out(false), 'author' => $author, 'source' => $this->pack_reference($source)];
                 }
             }
         }
     }
     return $list;
 }