NOTE: this Field will call write() on the supplied record * * Features (some might not be available to old browsers): * * - File Drag&Drop support * - Progressbar * - Image thumbnail/file icons even before upload finished * - Saving into relations * - Edit file * - allowedExtensions is by default File::$allowed_extensions
  • maxFileSize the value of min(upload_max_filesize, post_max_size) from php.ini * * @example * $UploadField = new UploadField('myFiles', 'Please upload some images (max. 5 files)'); * $UploadField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif')); * $UploadField->setConfig('allowedMaxFileNumber', 5); * * * @author Zauberfisch * @package framework * @subpackage forms */ class UploadField extends FileField { /** * @var array */ public static $allowed_actions = array( 'upload', 'attach', 'handleItem', 'handleSelect', ); /** * @var array */ public static $url_handlers = array( 'item/$ID' => 'handleItem', 'select' => 'handleSelect', '$Action!' => '$Action', ); /** * @var String */ protected $templateFileButtons = 'UploadField_FileButtons'; /** * @var String */ protected $templateFileEdit = 'UploadField_FileEdit'; /** * @var DataObject */ protected $record; /** * @var SS_List */ protected $items; /** * Config for this field used in both, php and javascript (will be merged into the config of the javascript file upload plugin) * @var array */ protected $ufConfig = array( /** * @var boolean */ 'autoUpload' => true, /** * php validation of allowedMaxFileNumber only works when a db relation is available, set to null to allow unlimited * if record has a has_one and allowedMaxFileNumber is null, it will be set to 1 * @var int */ 'allowedMaxFileNumber' => null, /** * @var int */ 'previewMaxWidth' => 80, /** * @var int */ 'previewMaxHeight' => 60, /** * javascript template used to display uploading files * @see javascript/UploadField_uploadtemplate.js * @var string */ 'uploadTemplateName' => 'ss-uploadfield-uploadtemplate', /** * javascript template used to display already uploaded files * @see javascript/UploadField_downloadtemplate.js * @var string */ 'downloadTemplateName' => 'ss-uploadfield-downloadtemplate', /** * FieldList $fields or string $name (of a method on File to provide a fields) for the EditForm * @example 'getCMSFields' * @var FieldList|string */ 'fileEditFields' => null, /** * FieldList $actions or string $name (of a method on File to provide a actions) for the EditForm * @example 'getCMSActions' * @var FieldList|string */ 'fileEditActions' => null, /** * Validator (eg RequiredFields) or string $name (of a method on File to provide a Validator) for the EditForm * @example 'getCMSValidator' * @var string */ 'fileEditValidator' => null ); /** * @param string $name The internal field name, passed to forms. * @param string $title The field label. * @param SS_List $items If no items are defined, the field will try to auto-detect an existing relation on {@link $record}, * with the same name as the field name. * @param Form $form Reference to the container form */ public function __construct($name, $title = null, SS_List $items = null) { // TODO thats the first thing that came to my head, feel free to change it $this->addExtraClass('ss-upload'); // class, used by js $this->addExtraClass('ss-uploadfield'); // class, used by css for uploadfield only parent::__construct($name, $title); if($items) $this->setItems($items); $this->getValidator()->setAllowedExtensions(array_filter(File::$allowed_extensions)); // filter out '' since this would be a regex problem on JS end $this->getValidator()->setAllowedMaxFileSize(min(File::ini2bytes(ini_get('upload_max_filesize')), File::ini2bytes(ini_get('post_max_size')))); // get the lower max size } /** * Set name of template used for Buttons on each file (replace, edit, remove, delete) (without path or extension) * * @param String */ public function setTemplateFileButtons($template) { $this->templateFileButtons = $template; return $this; } /** * @return String */ public function getTemplateFileButtons() { return $this->templateFileButtons; } /** * Set name of template used for the edit (inline & popup) of a file file (without path or extension) * * @param String */ public function setTemplateFileEdit($template) { $this->templateFileEdit = $template; return $this; } /** * @return String */ public function getTemplateFileEdit() { return $this->templateFileEdit; } /** * Force a record to be used as "Parent" for uploaded Files (eg a Page with a has_one to File) * @param DataObject $record */ public function setRecord($record) { $this->record = $record; return $this; } /** * Get the record to use as "Parent" for uploaded Files (eg a Page with a has_one to File) If none is set, it will use Form->getRecord() or Form->Controller()->data() * @return DataObject */ public function getRecord() { if (!$this->record && $this->form) { if ($this->form->getRecord() && is_a($this->form->getRecord(), 'DataObject')) { $this->record = $this->form->getRecord(); } elseif ($this->form->Controller() && $this->form->Controller()->hasMethod('data') && $this->form->Controller()->data() && is_a($this->form->Controller()->data(), 'DataObject')) { $this->record = $this->form->Controller()->data(); } } return $this->record; } /** * @param SS_List $items */ public function setItems(SS_List $items) { $this->items = $items; return $this; } /** * @return SS_List */ public function getItems() { $name = $this->getName(); if (!$this->items || !$this->items->exists()) { $record = $this->getRecord(); $this->items = array(); // Try to auto-detect relationship if ($record && $record->exists()) { if ($record->has_many($name) || $record->many_many($name)) { // Ensure relationship is cast to an array, as we can't alter the items of a DataList/RelationList (see below) $this->items = $record->{$name}()->toArray(); } elseif($record->has_one($name)) { $item = $record->{$name}(); if ($item && $item->exists()) $this->items = array($record->{$name}()); } } $this->items = new ArrayList($this->items); // hack to provide $UploadFieldThumbnailURL, $hasRelation and $UploadFieldEditLink in template for each file if ($this->items->exists()) { foreach ($this->items as $i=>$file) { $this->items[$i] = $this->customiseFile($file); if(!$file->canView()) unset($this->items[$i]); // Respect model permissions } } } return $this->items; } /** * Hack to add some Variables and a dynamic template to a File * @param File $file * @return ViewableData_Customised */ protected function customiseFile(File $file) { $file = $file->customise(array( 'UploadFieldHasRelation' => $this->managesRelation(), 'UploadFieldThumbnailURL' => $this->getThumbnailURLForFile($file), 'UploadFieldRemoveLink' => $this->getItemHandler($file->ID)->RemoveLink(), 'UploadFieldDeleteLink' => $this->getItemHandler($file->ID)->DeleteLink(), 'UploadFieldEditLink' => $this->getItemHandler($file->ID)->EditLink() )); // we do this in a second customise to have the access to the previous customisations return $file->customise(array( 'UploadFieldFileButtons' => $file->renderWith($this->getTemplateFileButtons()) )); } /** * @param string $key * @param mixed $val */ public function setConfig($key, $val) { $this->ufConfig[$key] = $val; return $this; } /** * @param string $key * @return mixed */ public function getConfig($key) { return $this->ufConfig[$key]; } /** * Used to get config in the template */ public function getAutoUpload() { return $this->getConfig('autoUpload'); } /** * @param File $file * @return string */ protected function getThumbnailURLForFile(File $file) { if ($file && $file->exists() && file_exists(Director::baseFolder() . '/' . $file->getFilename())) { if ($file->hasMethod('getThumbnail')) { return $file->getThumbnail($this->getConfig('previewMaxWidth'), $this->getConfig('previewMaxHeight'))->getURL(); } elseif ($file->hasMethod('getThumbnailURL')) { return $file->getThumbnailURL($this->getConfig('previewMaxWidth'), $this->getConfig('previewMaxHeight')); } elseif ($file->hasMethod('SetRatioSize')) { return $file->SetRatioSize($this->getConfig('previewMaxWidth'), $this->getConfig('previewMaxHeight'))->getURL(); } else { return $file->Icon(); } } return false; } public function getAttributes() { return array_merge( parent::getAttributes(), array('data-selectdialog-url', $this->Link('select')) ); } public function Field($properties = array()) { $record = $this->getRecord(); $name = $this->getName(); // if there is a has_one relation with that name on the record and // allowedMaxFileNumber has not been set, it's wanted to be 1 if( $record && $record->exists() && $record->has_one($name) && !$this->getConfig('allowedMaxFileNumber') ) { $this->setConfig('allowedMaxFileNumber', 1); } Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js'); Requirements::javascript(THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js'); Requirements::javascript(THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js'); Requirements::javascript(FRAMEWORK_DIR . '/javascript/i18n.js'); Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/javascript/ssui.core.js'); Requirements::combine_files('uploadfield.js', array( THIRDPARTY_DIR . '/javascript-templates/tmpl.js', THIRDPARTY_DIR . '/javascript-loadimage/load-image.js', THIRDPARTY_DIR . '/jquery-fileupload/jquery.iframe-transport.js', THIRDPARTY_DIR . '/jquery-fileupload/cors/jquery.xdr-transport.js', THIRDPARTY_DIR . '/jquery-fileupload/jquery.fileupload.js', THIRDPARTY_DIR . '/jquery-fileupload/jquery.fileupload-ui.js', FRAMEWORK_DIR . '/javascript/UploadField_uploadtemplate.js', FRAMEWORK_DIR . '/javascript/UploadField_downloadtemplate.js', FRAMEWORK_DIR . '/javascript/UploadField.js', )); Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css'); // TODO hmmm, remove it? Requirements::css(FRAMEWORK_DIR . '/css/UploadField.css'); $config = array( 'url' => $this->Link('upload'), 'urlSelectDialog' => $this->Link('select'), 'urlAttach' => $this->Link('attach'), 'acceptFileTypes' => '.+$', 'maxNumberOfFiles' => $this->getConfig('allowedMaxFileNumber') ); if (count($this->getValidator()->getAllowedExtensions())) { $allowedExtensions = $this->getValidator()->getAllowedExtensions(); $config['acceptFileTypes'] = '(\.|\/)(' . implode('|', $allowedExtensions) . ')$'; $config['errorMessages']['acceptFileTypes'] = sprintf(_t( 'File.INVALIDEXTENSION', 'Extension is not allowed (valid: %s)' ), wordwrap(implode(', ', $allowedExtensions))); } if ($this->getValidator()->getAllowedMaxFileSize()) { $config['maxFileSize'] = $this->getValidator()->getAllowedMaxFileSize(); $config['errorMessages']['maxFileSize'] = sprintf(_t( 'File.TOOLARGE', 'Filesize is too large, maximum %s allowed.' ), File::format_size($config['maxFileSize'])); } if ($config['maxNumberOfFiles'] > 1) { $config['errorMessages']['maxNumberOfFiles'] = sprintf(_t( 'UploadField.MAXNUMBEROFFILES', 'Max number of %s file(s) exceeded.' ), $config['maxNumberOfFiles']); } $configOverwrite = array(); if (is_numeric($config['maxNumberOfFiles']) && $this->getItems()->count()) { $configOverwrite['maxNumberOfFiles'] = $config['maxNumberOfFiles'] - $this->getItems()->count(); } $config = array_merge($config, $this->ufConfig, $configOverwrite); return $this->customise(array( 'configString' => str_replace('"', "'", Convert::raw2json($config)), 'config' => new ArrayData($config), 'multiple' => $config['maxNumberOfFiles'] !== 1, 'displayInput' => (!isset($configOverwrite['maxNumberOfFiles']) || $configOverwrite['maxNumberOfFiles']) ))->renderWith($this->getTemplates()); } /** * Validation method for this field, called when the entire form is validated * * @param $validator * @return Boolean */ public function validate($validator) { return true; } /** * @param SS_HTTPRequest $request * @return UploadField_ItemHandler */ public function handleItem(SS_HTTPRequest $request) { return $this->getItemHandler($request->param('ID')); } /** * @param int $itemID * @return UploadField_ItemHandler */ public function getItemHandler($itemID) { return UploadField_ItemHandler::create($this, $itemID); } /** * @param SS_HTTPRequest $request * @return UploadField_ItemHandler */ public function handleSelect(SS_HTTPRequest $request) { return UploadField_SelectHandler::create($this, $this->folderName); } /** * Action to handle upload of a single file * * @param SS_HTTPRequest $request * @return string json */ public function upload(SS_HTTPRequest $request) { if($this->isDisabled() || $this->isReadonly()) return $this->httpError(403); // Protect against CSRF on destructive action $token = $this->getForm()->getSecurityToken(); if(!$token->checkRequest($request)) return $this->httpError(400); $name = $this->getName(); $tmpfile = $request->postVar($name); $record = $this->getRecord(); // Check if the file has been uploaded into the temporary storage. if (!$tmpfile) { $return = array('error' => _t('UploadField.FIELDNOTSET', 'File information not found')); } else { $return = array( 'name' => $tmpfile['name'], 'size' => $tmpfile['size'], 'type' => $tmpfile['type'], 'error' => $tmpfile['error'] ); } // Check for constraints on the record to which the file will be attached. if (!$return['error'] && $this->relationAutoSetting && $record && $record->exists()) { $tooManyFiles = false; // Some relationships allow many files to be attached. if ($this->getConfig('allowedMaxFileNumber') && ($record->has_many($name) || $record->many_many($name))) { if(!$record->isInDB()) $record->write(); $tooManyFiles = $record->{$name}()->count() >= $this->getConfig('allowedMaxFileNumber'); // has_one only allows one file at any given time. } elseif($record->has_one($name)) { $tooManyFiles = $record->{$name}() && $record->{$name}()->exists(); } // Report the constraint violation. if ($tooManyFiles) { if(!$this->getConfig('allowedMaxFileNumber')) $this->setConfig('allowedMaxFileNumber', 1); $return['error'] = sprintf(_t( 'UploadField.MAXNUMBEROFFILES', 'Max number of %s file(s) exceeded.' ), $this->getConfig('allowedMaxFileNumber')); } } // Process the uploaded file if (!$return['error']) { $fileObject = null; if ($this->relationAutoSetting) { // Search for relations that can hold the uploaded files. if ($relationClass = $this->getRelationAutosetClass()) { // Create new object explicitly. Otherwise rely on Upload::load to choose the class. $fileObject = Object::create($relationClass); } } // Get the uploaded file into a new file object. try { $this->upload->loadIntoFile($tmpfile, $fileObject, $this->folderName); } catch (Exception $e) { // we shouldn't get an error here, but just in case $return['error'] = $e->getMessage(); } if (!$return['error']) { if ($this->upload->isError()) { $return['error'] = implode(' '.PHP_EOL, $this->upload->getErrors()); } else { $file = $this->upload->getFile(); // Attach the file to the related record. if ($this->relationAutoSetting) { $this->attachFile($file); } // Collect all output data. $file = $this->customiseFile($file); $return = array_merge($return, array( 'id' => $file->ID, 'name' => $file->getTitle() . '.' . $file->getExtension(), 'url' => $file->getURL(), 'thumbnail_url' => $file->UploadFieldThumbnailURL, 'edit_url' => $file->UploadFieldEditLink, 'size' => $file->getAbsoluteSize(), 'buttons' => $file->UploadFieldFileButtons )); } } } $response = new SS_HTTPResponse(Convert::raw2json(array($return))); $response->addHeader('Content-Type', 'text/plain'); return $response; } /** * Add existing {@link File} records to the relationship. */ public function attach($request) { if(!$request->isPOST()) return $this->httpError(403); if(!$this->managesRelation()) return $this->httpError(403); $return = array(); $files = DataList::create('File')->byIDs($request->postVar('ids')); foreach($files as $file) { $this->attachFile($file); $file = $this->customiseFile($file); $return[] = array( 'id' => $file->ID, 'name' => $file->getTitle() . '.' . $file->getExtension(), 'url' => $file->getURL(), 'thumbnail_url' => $file->UploadFieldThumbnailURL, 'edit_url' => $file->UploadFieldEditLink, 'size' => $file->getAbsoluteSize(), 'buttons' => $file->UploadFieldFileButtons ); } $response = new SS_HTTPResponse(Convert::raw2json($return)); $response->addHeader('Content-Type', 'application/json'); return $response; } /** * @param File */ protected function attachFile($file) { $record = $this->getRecord(); $name = $this->getName(); if ($record && $record->exists()) { if ($record->has_many($name) || $record->many_many($name)) { if(!$record->isInDB()) $record->write(); $record->{$name}()->add($file); } elseif($record->has_one($name)) { $record->{$name . 'ID'} = $file->ID; $record->write(); } } } public function performReadonlyTransformation() { $clone = clone $this; $clone->addExtraClass('readonly'); $clone->setReadonly(true); return $clone; } /** * Determines if the underlying record (if any) has a relationship * matching the field name. Important for permission control. * * @return boolean */ public function managesRelation() { $record = $this->getRecord(); $fieldName = $this->getName(); return ( $record && ($record->has_one($fieldName) || $record->has_many($fieldName) || $record->many_many($fieldName)) ); } /** * Gets the foreign class that needs to be created. * * @return string Foreign class name. */ public function getRelationAutosetClass() { $name = $this->getName(); $record = $this->getRecord(); if (isset($name) && isset($record)) return $record->getRelationClass($name); } } /** * RequestHandler for actions (edit, remove, delete) on a single item (File) of the UploadField * * @author Zauberfisch * @package framework * @subpackage forms */ class UploadField_ItemHandler extends RequestHandler { /** * @var UploadFIeld */ protected $parent; /** * @var int FileID */ protected $itemID; public static $url_handlers = array( '$Action!' => '$Action', '' => 'index', ); /** * @param UploadFIeld $parent * @param int $item */ public function __construct($parent, $itemID) { $this->parent = $parent; $this->itemID = $itemID; parent::__construct(); } /** * @return File */ function getItem() { return DataObject::get_by_id('File', $this->itemID); } /** * @param string $action * @return string */ public function Link($action = null) { return Controller::join_links($this->parent->Link(), '/item/', $this->itemID, $action); } /** * @return string */ public function RemoveLink() { $token = $this->parent->getForm()->getSecurityToken(); return $token->addToUrl($this->Link('remove')); } /** * @return string */ public function DeleteLink() { $token = $this->parent->getForm()->getSecurityToken(); return $token->addToUrl($this->Link('delete')); } /** * @return string */ public function EditLink() { return $this->Link('edit'); } /** * Action to handle removing a single file from the db relation * * @param SS_HTTPRequest $request * @return SS_HTTPResponse */ public function remove(SS_HTTPRequest $request) { // Check form field state if($this->parent->isDisabled() || $this->parent->isReadonly()) return $this->httpError(403); // Protect against CSRF on destructive action $token = $this->parent->getForm()->getSecurityToken(); if(!$token->checkRequest($request)) return $this->httpError(400); $response = new SS_HTTPResponse(); $response->setStatusCode(500); $fieldName = $this->parent->getName(); $record = $this->parent->getRecord(); $id = $this->getItem()->ID; if ($id && $record && $record->exists()) { if (($record->has_many($fieldName) || $record->many_many($fieldName)) && $file = $record->{$fieldName}()->byID($id)) { $record->{$fieldName}()->remove($file); $response->setStatusCode(200); } elseif($record->has_one($fieldName) && $record->{$fieldName . 'ID'} == $id) { $record->{$fieldName . 'ID'} = 0; $record->write(); $response->setStatusCode(200); } } if ($response->getStatusCode() != 200) $response->setStatusDescription(_t('UploadField.REMOVEERROR', 'Error removing file')); return $response; } /** * Action to handle deleting of a single file * * @param SS_HTTPRequest $request * @return SS_HTTPResponse */ public function delete(SS_HTTPRequest $request) { // Check form field state if($this->parent->isDisabled() || $this->parent->isReadonly()) return $this->httpError(403); // Protect against CSRF on destructive action $token = $this->parent->getForm()->getSecurityToken(); if(!$token->checkRequest($request)) return $this->httpError(400); // Check item permissions $item = $this->getItem(); if(!$item) return $this->httpError(404); if(!$item->canDelete()) return $this->httpError(403); // Only allow actions on files in the managed relation (if one exists) $items = $this->parent->getItems(); if($this->parent->managesRelation() && !$items->byID($item->ID)) return $this->httpError(403); // First remove the file from the current relationship $this->remove($request); // Then delete the file from the filesystem $item->delete(); } /** * Action to handle editing of a single file * * @param SS_HTTPRequest $request * @return ViewableData_Customised */ public function edit(SS_HTTPRequest $request) { // Check form field state if($this->parent->isDisabled() || $this->parent->isReadonly()) return $this->httpError(403); // Check item permissions $item = $this->getItem(); if(!$item) return $this->httpError(404); if(!$item->canEdit()) return $this->httpError(403); // Only allow actions on files in the managed relation (if one exists) $items = $this->parent->getItems(); if($this->parent->managesRelation() && !$items->byID($item->ID)) return $this->httpError(403); Requirements::css(FRAMEWORK_DIR . '/css/UploadField.css'); return $this->customise(array( 'Form' => $this->EditForm() ))->renderWith($this->parent->getTemplateFileEdit()); } /** * @return Form */ public function EditForm() { $file = $this->getItem(); if (is_a($this->parent->getConfig('fileEditFields'), 'FieldList')) { $fields = $this->parent->getConfig('fileEditFields'); } elseif ($file->hasMethod($this->parent->getConfig('fileEditFields'))) { $fields = $file->{$this->parent->getConfig('fileEditFields')}(); } else { $fields = $file->getCMSFields(); // Only display main tab, to avoid overly complex interface if($fields->hasTabSet() && $mainTab = $fields->findOrMakeTab('Root.Main')) $fields = $mainTab->Fields(); } if (is_a($this->parent->getConfig('fileEditActions'), 'FieldList')) { $actions = $this->parent->getConfig('fileEditActions'); } elseif ($file->hasMethod($this->parent->getConfig('fileEditActions'))) { $actions = $file->{$this->parent->getConfig('fileEditActions')}(); } else { $actions = new FieldList($saveAction = new FormAction('doEdit', _t('UploadField.DOEDIT', 'Save'))); $saveAction->addExtraClass('ss-ui-action-constructive icon-accept'); } if (is_a($this->parent->getConfig('fileEditValidator'), 'Validator')) { $validator = $this->parent->getConfig('fileEditValidator'); } elseif ($file->hasMethod($this->parent->getConfig('fileEditValidator'))) { $validator = $file->{$this->parent->getConfig('fileEditValidator')}(); } else { $validator = null; } $form = new Form( $this, __FUNCTION__, $fields, $actions, $validator ); $form->loadDataFrom($file); $form->addExtraClass('small'); return $form; } /** * @param array $data * @param Form $form * @param SS_HTTPRequest $request */ public function doEdit(array $data, Form $form, SS_HTTPRequest $request) { // Check form field state if($this->parent->isDisabled() || $this->parent->isReadonly()) return $this->httpError(403); // Check item permissions $item = $this->getItem(); if(!$item) return $this->httpError(404); if(!$item->canEdit()) return $this->httpError(403); // Only allow actions on files in the managed relation (if one exists) $items = $this->parent->getItems(); if($this->parent->managesRelation() && !$items->byID($item->ID)) return $this->httpError(403); $form->saveInto($item); $item->write(); $form->sessionMessage(_t('UploadField.Saved', 'Saved'), 'good'); return $this->parent->getForm()->Controller()->redirectBack(); } } /** * File selection popup for attaching existing files. */ class UploadField_SelectHandler extends RequestHandler { /** * @var UploadField */ protected $parent; /** * @var String */ protected $folderName; public static $url_handlers = array( '$Action!' => '$Action', '' => 'index', ); function __construct($parent, $folderName = null) { $this->parent = $parent; $this->folderName = $folderName; parent::__construct(); } function index() { // Requires a separate JS file, because we can't reach into the iframe with entwine. Requirements::javascript(FRAMEWORK_DIR . '/javascript/UploadField_select.js'); return $this->renderWith('CMSDialog'); } /** * @param string $action * @return string */ public function Link($action = null) { return Controller::join_links($this->parent->Link(), '/select/', $action); } /** * Build the file selection form. * * @return Form */ function Form() { // Find out the requested folder ID. $folderID = $this->parent->getRequest()->requestVar('ParentID'); if (!isset($folderID)) { $folder = Folder::find_or_make($this->folderName); $folderID = $folder->ID; } // Construct the form $action = new FormAction('doAttach', _t('UploadField.AttachFile', 'Attach file(s)')); $action->addExtraClass('ss-ui-action-constructive icon-accept'); $form = new Form( $this, 'Form', new FieldList($this->getListField($folderID)), new FieldList($action) ); // Add a class so we can reach the form from the frontend. $form->addExtraClass('uploadfield-form'); return $form; } /** * @param $folderID The ID of the folder to display. * @return FormField */ protected function getListField($folderID) { // Generate the folder selection field. $folderField = new TreeDropdownField('ParentID', _t('HtmlEditorField.FOLDER', 'Folder'), 'Folder'); $folderField->setValue($folderID); // Generate the file list field. $config = GridFieldConfig::create(); $config->addComponent(new GridFieldSortableHeader()); $config->addComponent(new GridFieldFilterHeader()); $config->addComponent(new GridFieldDataColumns()); $config->addComponent(new GridFieldPaginator(10)); // If relation is to be autoset, we need to make sure we only list compatible objects. $baseClass = null; if ($this->parent->relationAutoSetting) { $baseClass = $this->parent->getRelationAutosetClass(); } // By default we can attach anything that is a file, or derives from file. if (!$baseClass) $baseClass = 'File'; // Create the data source for the list of files within the current directory. $files = DataList::create($baseClass)->filter('ParentID', $folderID); $fileField = new GridField('Files', false, $files, $config); $fileField->setAttribute('data-selectable', true); if($this->parent->getConfig('allowedMaxFileNumber') > 1) $fileField->setAttribute('data-multiselect', true); $selectComposite = new CompositeField( $folderField, $fileField ); return $selectComposite; } function doAttach($data, $form) { // TODO Only implemented via JS for now } }