true]), new TwigFunction('prepare_form_field', [$this, 'prepareFormField'], ['needs_context' => true]), new TwigFunction('include_form_field', [$this, 'includeFormField']), ]; } public function valueAndLabel($value): array { if (!is_array($value)) { return []; } $list = []; foreach ($value as $key => $label) { $list[] = ['value' => $key, 'label' => $label]; } return $list; } /** * Filters form fields for the current parent. * * @param array $context * @param array $fields Form fields * @param string|null $parent Parent field name if available * @return array */ public function prepareFormFields(array $context, $fields, $parent = null): array { $list = []; if (is_iterable($fields)) { foreach ($fields as $name => $field) { $field = $this->prepareFormField($context, $field, $name, $parent); if ($field) { $list[$field['name']] = $field; } } } return $list; } /** * Filters field name by changing dot notation into array notation. * * @param array $context * @param array $field Form field * @param string|int|null $name Field name (defaults to field.name) * @param string|null $parent Parent field name if available * @param array|null $options List of options to override * @return array|null */ public function prepareFormField(array $context, $field, $name = null, $parent = null, array $options = []): ?array { // Make sure that the field is a valid form field type and is not being ignored. if (empty($field['type']) || ($field['validate']['ignore'] ?? false)) { return null; } // If field has already been prepared, we do not need to do anything. if (!empty($field['prepared'])) { return $field; } // Check if we have just a list of fields (no name given). $fieldName = (string)($field['name'] ?? $name); if (!is_string($name) || $name === '') { // Look at the field.name and if not set, fall back to the key. $name = $fieldName; } // Make sure that the field has a name. if ($name === '') { return null; } // Prefix name with the parent name if needed. if (str_starts_with($name, '.')) { $plainName = (string)substr($name, 1); $field['plain_name'] = $plainName; $name = $parent ? $parent . $name : $plainName; } elseif (isset($options['key'])) { $name = str_replace('*', $options['key'], $name); } unset($options['key']); // Set fields as readonly if form is in readonly mode. /** @var FormInterface $form */ $form = $context['form'] ?? null; if ($form && method_exists($form, 'isEnabled') && !$form->isEnabled()) { $options['disabled'] = true; } // Loop through options foreach ($options as $key => $option) { $field[$key] = $option; } // Always set field name. $field['name'] = $name; $field['prepared'] = true; return $field; } /** * @param string $type * @param string|string[]|null $layouts * @param string|null $default * @return string[] */ public function includeFormField(string $type, $layouts = null, string $default = null): array { $list = []; foreach ((array)$layouts as $layout) { $list[] = "forms/fields/{$type}/{$layout}-{$type}.html.twig"; } $list[] = "forms/fields/{$type}/{$type}.html.twig"; if ($default) { foreach ((array)$layouts as $layout) { $list[] = "forms/fields/{$default}/{$layout}-{$default}.html.twig"; } $list[] = "forms/fields/{$default}/{$default}.html.twig"; } return $list; } }