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<?php |
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namespace DNADesign\Elemental\Forms; |
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use DNADesign\Elemental\Models\BaseElement; |
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use SilverStripe\Control\RequestHandler; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Forms\DefaultFormFactory; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\FormField; |
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use SilverStripe\Forms\HiddenField; |
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use SilverStripe\Forms\HTMLEditor\HTMLEditorField; |
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use SilverStripe\Forms\HTMLEditor\TinyMCEConfig; |
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class EditFormFactory extends DefaultFormFactory |
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{ |
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use Configurable; |
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/** |
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* This will be set the number of rows in HTML field |
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* |
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* @config |
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* @var integer |
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*/ |
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private static $html_field_rows = 7; |
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/** |
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* @var string |
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*/ |
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const FIELD_NAMESPACE_TEMPLATE = 'PageElements_%d_%s'; |
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public function getForm(RequestHandler $controller = null, $name = self::DEFAULT_NAME, $context = []) |
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{ |
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$form = parent::getForm($controller, $name, $context); |
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// Remove divider lines between form fields |
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$form->addExtraClass('form--no-dividers'); |
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// Namespace all fields - do this after getting getFormFields so they still get populated |
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$formFields = $form->Fields(); |
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$this->namespaceFields($formFields, $context); |
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$this->addClassNameField($formFields, $context['Record']); |
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$form->setFields($formFields); |
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return $form; |
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} |
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protected function getFormFields(RequestHandler $controller = null, $name, $context = []) |
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{ |
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$fields = parent::getFormFields($controller, $name, $context); |
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// Configure a slimmed down HTML editor for use with blocks |
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/** @var HTMLEditorField|null $editorField */ |
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$editorField = $fields->fieldByName('Root.Main.HTML'); |
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if ($editorField) { |
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$editorField->setRows($this->config()->get('html_field_rows')); |
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} |
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return $fields; |
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} |
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/** |
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* Given a {@link FieldList}, give all fields a unique name so they can be used in the same context as |
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* other elemental edit forms and the page (or other DataObject) that owns them. |
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* |
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* @param FieldList $fields |
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* @param array $context |
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*/ |
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protected function namespaceFields(FieldList $fields, array $context) |
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{ |
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$elementID = $context['Record']->ID; |
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foreach ($fields->dataFields() as $field) { |
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$namespacedName = sprintf(self::FIELD_NAMESPACE_TEMPLATE, $elementID, $field->getName()); |
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$field->setName($namespacedName); |
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} |
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} |
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/** |
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* @param FieldList $formFields |
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* @param BaseElement $record |
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*/ |
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private function addClassNameField(FieldList $formFields, BaseElement $record) |
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{ |
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$fieldName = sprintf(self::FIELD_NAMESPACE_TEMPLATE, $record->ID, 'ClassName'); |
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$formFields->addFieldsToTab( |
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'Root.Main', |
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new HiddenField($fieldName, 'ClassName', get_class($record)) |
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); |
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} |
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} |
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silverstripe /
silverstripe-elemental
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