public function getCMSFields()
 {
     $path = '/' . dirname($this->getFilename());
     $previewLink = Convert::raw2att($this->PreviewLink());
     $image = "<img src=\"{$previewLink}\" class=\"editor__thumbnail\" />";
     $link = $this->Link();
     $statusTitle = $this->getStatusTitle();
     $statusFlag = "<span class=\"editor__status-flag\">{$statusTitle}</span>";
     $content = Tab::create('Main', HeaderField::create('TitleHeader', $this->Title, 1)->addExtraClass('editor__heading'), LiteralField::create("ImageFull", $image)->addExtraClass('editor__file-preview'), TabSet::create('Editor', Tab::create('Details', TextField::create("Title", $this->fieldLabel('Title')), TextField::create("Name", $this->fieldLabel('Filename')), ReadonlyField::create("Path", _t('AssetTableField.PATH', 'Path'), ($path !== '/.' ? $path : '') . '/'), HTMLReadonlyField::create('ClickableURL', _t('AssetTableField.URL', 'URL'), sprintf('<i class="%s"></i><a href="%s" target="_blank">%s</a>', 'font-icon-link btn--icon-large form-control-static__icon', $link, $link))), Tab::create('Usage', DatetimeField::create("Created", _t('AssetTableField.CREATED', 'First uploaded'))->setReadonly(true), DatetimeField::create("LastEdited", _t('AssetTableField.LASTEDIT', 'Last changed'))->setReadonly(true))), HiddenField::create('ID', $this->ID));
     if ($dimensions = $this->getDimensions()) {
         $content->insertAfter('TitleHeader', LiteralField::create("DisplaySize", sprintf('<div class="editor__specs">%spx, %s %s</div>', $dimensions, $this->getSize(), $statusFlag)));
     } else {
         $content->insertAfter('TitleHeader', LiteralField::create('StatusFlag', $statusFlag));
     }
     $fields = FieldList::create(TabSet::create('Root', $content));
     $this->extend('updateCMSFields', $fields);
     return $fields;
 }
 /**
  * Get list of fields for previewing this records details
  *
  * @return FieldList
  */
 protected function getDetailFields()
 {
     $fields = new FieldList(ReadonlyField::create("FileType", _t('AssetTableField.TYPE', 'File type'), $this->getFileType()), HTMLReadonlyField::create('ClickableURL', _t('AssetTableField.URL', 'URL'), $this->getExternalLink()));
     // Get file size
     if ($this->getSize()) {
         $fields->insertAfter('FileType', ReadonlyField::create("Size", _t('AssetTableField.SIZE', 'File size'), $this->getSize()));
     }
     // Get modified details of local record
     if ($this->getFile()) {
         $fields->push(new DateField_Disabled("Created", _t('AssetTableField.CREATED', 'First uploaded'), $this->getFile()->Created));
         $fields->push(new DateField_Disabled("LastEdited", _t('AssetTableField.LASTEDIT', 'Last changed'), $this->getFile()->LastEdited));
     }
     return $fields;
 }