PHP code example of bigfork / silverstripe-formtacular

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

bigfork / silverstripe-formtacular example snippets

$fields = FieldList::create(
    TextField::create('FirstName', 'First name'),
    TextField::create('Surname', 'Surname'),
    TextField::create('ContactMethod', 'Contact method', [
        'Email' => 'Email',
        'Telephone' => 'Telephone'
    ]),
    $email = EmailField::create('Email', 'Email'),
    $telephone = TextField::create('Telephone', 'Telephone')
);

$email->displayIf('ContactMethod')->isEqualTo('Email');
$email->validateIfVisible();

$telephone->displayIf('ContactMethod')->isEqualTo('Telephone');
$telephone->validateIfVisible();

// This subclass of RequiredFields is currently necessary
// It may be possible in Silverstripe 5 to remove this by utilising field validation extension hooks
$validator = \Bigfork\SilverstripeFormtacular\Validators\RequiredFields::create([
    'Name',
    'Surname',
    'ContactMethod',
    'Email',
    'Telephone'
])

use Bigfork\SilverstripeFormtacular\Rules\AbstractRule;

class IsStringLongerThanRule extends AbstractRule
{
    protected int $length;

    public function __construct(string $fieldName, int $length)
    {
        $this->length = $length;
        parent::__construct($fieldName);
    }

    public function getResult(): bool
    {
        return strlen($this->getFormField()->dataValue()) > $this->length;
    }

    public function getJavaScriptTestName(): string
    {
        return 'evaluateIsStringLongerThan';
    }

    public function getJavaScriptTestArguments(): array
    {
        return [$this->length];
    }
}

// ...

$field = TextField::create('TestField', 'Test field');
$field->displayIf('AnotherTestField')->isStringLongerThan(5);