/** * Generate a CSV import form for a single {@link DataObject} subclass. * * @return Form|false */ public function ImportForm() { $modelSNG = singleton($this->modelClass); $modelName = $modelSNG->i18n_singular_name(); // check if a import form should be generated if (!$this->showImportForm || is_array($this->showImportForm) && !in_array($this->modelClass, $this->showImportForm)) { return false; } $importers = $this->getModelImporters(); if (!$importers || !isset($importers[$this->modelClass])) { return false; } if (!$modelSNG->canCreate(Member::currentUser())) { return false; } $fields = new FieldList(new HiddenField('ClassName', _t('ModelAdmin.CLASSTYPE'), $this->modelClass), new FileField('_CsvFile', false)); // get HTML specification for each import (column names etc.) $importerClass = $importers[$this->modelClass]; /** @var BulkLoader $importer */ $importer = new $importerClass($this->modelClass); $spec = $importer->getImportSpec(); $specFields = new ArrayList(); foreach ($spec['fields'] as $name => $desc) { $specFields->push(new ArrayData(array('Name' => $name, 'Description' => $desc))); } $specRelations = new ArrayList(); foreach ($spec['relations'] as $name => $desc) { $specRelations->push(new ArrayData(array('Name' => $name, 'Description' => $desc))); } $specHTML = $this->customise(array('ClassName' => $this->sanitiseClassName($this->modelClass), 'ModelName' => Convert::raw2att($modelName), 'Fields' => $specFields, 'Relations' => $specRelations))->renderWith($this->getTemplatesWithSuffix('_ImportSpec')); $fields->push(new LiteralField("SpecFor{$modelName}", $specHTML)); $fields->push(new CheckboxField('EmptyBeforeImport', _t('ModelAdmin.EMPTYBEFOREIMPORT', 'Replace data'), false)); $actions = new FieldList(new FormAction('import', _t('ModelAdmin.IMPORT', 'Import from CSV'))); $form = new Form($this, "ImportForm", $fields, $actions); $form->setFormAction(Controller::join_links($this->Link($this->sanitiseClassName($this->modelClass)), 'ImportForm')); $this->extend('updateImportForm', $form); return $form; }