/** * Returns a data class that is a DataObject type that this GridField should look like. * * @return string * * @throws LogicException */ public function getModelClass() { if ($this->modelClassName) { return $this->modelClassName; } if ($this->list && $this->list->hasMethod('dataClass')) { $class = $this->list->dataClass(); if ($class) { return $class; } } throw new LogicException('GridField doesn\'t have a modelClassName, so it doesn\'t know the columns of this grid.'); }
/** * Loads the related record values into this field. UploadField can be uploaded * in one of three ways: * * - By passing in a list of file IDs in the $value parameter (an array with a single * key 'Files', with the value being the actual array of IDs). * - By passing in an explicit list of File objects in the $record parameter, and * leaving $value blank. * - By passing in a dataobject in the $record parameter, from which file objects * will be extracting using the field name as the relation field. * * Each of these methods will update both the items (list of File objects) and the * field value (list of file ID values). * * @param array $value Array of submitted form data, if submitting from a form * @param array|DataObject|SS_List $record Full source record, either as a DataObject, * SS_List of items, or an array of submitted form data * @return $this Self reference * @throws ValidationException */ public function setValue($value, $record = null) { // If we're not passed a value directly, we can attempt to infer the field // value from the second parameter by inspecting its relations $items = new ArrayList(); // Determine format of presented data if (empty($value) && $record) { // If a record is given as a second parameter, but no submitted values, // then we should inspect this instead for the form values if ($record instanceof DataObject && $record->hasMethod($this->getName())) { // If given a dataobject use reflection to extract details $data = $record->{$this->getName()}(); if ($data instanceof DataObject) { // If has_one, add sole item to default list $items->push($data); } elseif ($data instanceof SS_List) { // For many_many and has_many relations we can use the relation list directly $items = $data; } } elseif ($record instanceof SS_List) { // If directly passing a list then save the items directly $items = $record; } } elseif (!empty($value['Files'])) { // If value is given as an array (such as a posted form), extract File IDs from this $class = $this->getRelationAutosetClass(); $items = DataObject::get($class)->byIDs($value['Files']); } // If javascript is disabled, direct file upload (non-html5 style) can // trigger a single or multiple file submission. Note that this may be // included in addition to re-submitted File IDs as above, so these // should be added to the list instead of operated on independently. if ($uploadedFiles = $this->extractUploadedFileData($value)) { foreach ($uploadedFiles as $tempFile) { $file = $this->saveTemporaryFile($tempFile, $error); if ($file) { $items->add($file); } else { throw new ValidationException($error); } } } // Filter items by what's allowed to be viewed $filteredItems = new ArrayList(); $fileIDs = array(); foreach ($items as $file) { if ($file->exists() && $file->canView()) { $filteredItems->push($file); $fileIDs[] = $file->ID; } } // Filter and cache updated item list $this->items = $filteredItems; // Same format as posted form values for this field. Also ensures that // $this->setValue($this->getValue()); is non-destructive $value = $fileIDs ? array('Files' => $fileIDs) : null; // Set value using parent parent::setValue($value, $record); return $this; }