Example of a filament wizard

CreateMembership.php

use... [omitted]

class CreateMembership extends CreateRecord
{
    use CreateRecord\Concerns\HasWizard;


    protected static string $resource = MembershipResource::class;

    protected function getSteps(): array
    {
        return [
            Step::make('Long text')
                ->icon('heroicon-m-document-text')
                    ->schema([
                        Placeholder::make('Text loaded from view file')
                         ->content(view('filament.myapp.pages.conditions')),

                         Toggle::make('Accept conditions')
                         ->accepted()
                         ->Label(__('Accept the conditions'))
                         ->helperText(__('You have to accept the conditions')),
        
                    ]),
 
                    Step::make('Member info')
                    ->icon('heroicon-m-ticket')
                    ->schema([

                        Section::make(__('Tax info'))
                        ->compact()
                        ->columns(3)
                        ->schema([

                        TextInput::make('company')
                        ->columnspan(2)
                        ->required()
                        ->Label(__('Company name')),

                        Select::make('tax status')
                        ->columnSpan(1)
                        ->options(
                            [
                                'persona_fisica' => 'persona fisica',
                                'impresa_individuale' => 'impresa (ditta) individuale',
                                'snc' => 'società in nome collettivo (s.n.c.)',
                                'sas' => 'società in accomandita semplice (s.a.s.)',
                                'societa_semplice' => 'società semplice (s.s.)',
                                'spa' => 'società per azioni (s.p.a.)',
                                'srl' => 'società a responsabilità limitata (s.r.l.)',
                                'sapa' => 'società in accomandita per azioni (s.a.p.a.)',
                                'ssa' => 'società semplice agricola',
                                'aps' => 'associazione di promozione sociale (a.p.s.)', 
                                'ente_religioso' => 'ente religioso',
                                'associazione' => 'associazione',
                                'associazione_sportiva' => 'associazione sportiva',
                                'coop' => 'società cooperativa',
                                'scs' => 'società cooperativa sociale',
                                'altro' => 'altro (indicarlo nel campo note)',
                            ])                        
                            ->required()
                            ->Label(__('Tax status')),

                            Select::make('billing_id')
                            ->columnSpan(2)
                            ->label('Billing address')
                            ->helperText('Select the billing address')
                            ->relationship(name: 'billings', titleAttribute: 'addressee')
                            ->createOptionForm(
                                MembershipResource::getAddressFormFields() //4 field components to fill the modal
                            )
                            ->searchable()
                            ->preload(),

                            TextInput::make('Name')
                            ->Label(__('Name of the member'))
                            ->helperText(__('A person to contact')),

                        TextInput::make('tax number')
                        ->minLength(11)
                        ->maxLength(13)
                        ->Label(__('Tax number'))
                        ->rules([
                            function() 
                            {
                                return function (string $attribute, $value, Closure $fail) {
                                    if(strlen($value) !== 11 && strlen($value) !== 13)
                                    {
                                        $fail(':attribute is not correct');
                                        return;
                                    }

                                    if(!$this->checkTaxNumber($value)) //a function that checks if the tax number is formally valid
                                    {
                                        $fail(':attribute is not correct'); 
                                    }
                                };
                            }
                        ]),

                        TextInput::make('SSN')
                        ->required()
                        ->minLength(11)
                        ->maxLength(16)
                        ->Label(__('SSN'))
                        ->rules([
                            function() 
                            {
                                return function (string $attribute, $value, Closure $fail) {
                                    $lunghezza = strlen($value);
                                    if($lunghezza !== 16 && $lunghezza !== 11 && $lunghezza !== 13)
                                    {
                                        $fail(':attribute is not correct');
                                        return;
                                    }
                                    // 2 casi 
                                    if($lunghezza == 11 || $lunghezza == 13)
                                    {
                                        if(!$this->checkTaxNumber($value))
                                        {
                                            $fail(':attribute is not correct');
                                        }
                                        return;
                                    }
                                    // Check regex
                                    if (!preg_match('/^[a-z]{6}[0-9]{2}[a-z][0-9]{2}[a-z][0-9]{3}[a-z]$/i', $value)) 
                                    {
                                        $fail(':attribute not correct');
                                        return;
                                    }

                                    $listEvenChar = array('0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4, '5' => 5, '6' => 6, '7' => 7, '8' => 8, '9' => 9, 'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6, 'H' => 7, 'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13, 'O' => 14, 'P' => 15, 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20, 'V' => 21, 'W' => 22, 'X' => 23, 'Y' => 24, 'Z' => 25);
                                    $listOddChar = array('0' => 1, '1' => 0, '2' => 5, '3' => 7, '4' => 9, '5' => 13, '6' => 15, '7' => 17, '8' => 19, '9' => 21, 'A' => 1, 'B' => 0, 'C' => 5, 'D' => 7, 'E' => 9, 'F' => 13, 'G' => 15, 'H' => 17, 'I' => 19, 'J' => 21, 'K' => 2, 'L' => 4, 'M' => 18, 'N' => 20, 'O' => 11, 'P' => 3, 'Q' => 6, 'R' => 8, 'S' => 12, 'T' => 14, 'U' => 16, 'V' => 10, 'W' => 22, 'X' => 25, 'Y' => 24, 'Z' => 23);
                                    $listCtrlCode = array(0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G', 7 => 'H', 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N', 14 => 'O', 15 => 'P', 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U', 21 => 'V', 22 => 'W', 23 => 'X', 24 => 'Y', 25 => 'Z');

                                    $cFCharList = str_split(strtoupper($value));
                                    $pari = 0;
                                    $dispari = $listOddChar[$cFCharList[14]];
                        
                                    // loop first 14 char, step 2
                                    for ($i = 0; $i < 13; $i += 2) {
                                        $dispari = $dispari + $listOddChar[$cFCharList[$i]];
                                        $pari = $pari + $listEvenChar[$cFCharList[$i + 1]];
                                    }
                        
                                    // verify first 15 char with checksum char (char 16)
                                    if (!($listCtrlCode[($pari + $dispari) % 26] === $cFCharList[15])) {
                                        $fail(':attribute is not correct');
                                    }
                                };                               
                            }
                        ]),
                    ]),

                        Section::make(__('Other tax info'))
                        ->compact()
                        ->columns(3)
                        ->schema([
                            TextInput::make('pec')
                            ->email()
                            ->Label(__('PEC')),

                            TextInput::make('tax code')
                            ->maxLength(7)
                            ->Label(__('tax code'))
                            ->helperText(__('Enter here your tax code')),
    
                        
                            TextInput::make('email')
                            ->required()
                            ->email()
                            ->Label('Send bill to this email'),

                            TextInput::make('email2')
                            ->email()
                            ->Label('Email for info')
                            ->helperText(__('Email to use for info about membership')),

                            TextInput::make('phone')
                            ->tel()
                            ->Label(__('Phone'))
                            ->helperText(__('Phone number for our staff')),
                        ]), 

                        Select::make('shipping_id')
                        ->label('Shipping address')
                        ->helperText('Select the shipping address.')
                        ->relationship(name: 'billings', titleAttribute: 'addressee')
                        ->createOptionForm(
                            AlMembershipResource::getIndirizzoFormFields()
                        )
                        ->searchable()
                        ->preload(),

                        TextArea::make('notes')
                        ->columnSpanFull()
                        ->helperText(__('Other info')),

                    ]),
        ];
    }

}