F
Filament•2y ago
_max28

How can I take the user-selected value in one form field for use in another field?

I would like to make the default() method dynamic by inserting a specific value based on the user's choice in the fk_servizio field, below is the code 
                Select::make('fk_servizio')
                    ->label('ID Servizio')
                    ->options(Servizi::all()->pluck('id', 'id'))
                    ->searchable()
                    ->required(),

                TextInput::make('commissione')
                    ->label('Importo')
                    ->numeric()
                    ->minValue(Servizi::where('id', ???)->value('amount'))
                    ->default(Servizi::where('id', ???)->value('amount'))
                    ->required(),
                Select::make('fk_servizio')
                    ->label('ID Servizio')
                    ->options(Servizi::all()->pluck('id', 'id'))
                    ->searchable()
                    ->required(),

                TextInput::make('commissione')
                    ->label('Importo')
                    ->numeric()
                    ->minValue(Servizi::where('id', ???)->value('amount'))
                    ->default(Servizi::where('id', ???)->value('amount'))
                    ->required(),
6 Replies
wyChoong
wyChoong•2y ago
read the doc https://filamentphp.com/docs/3.x/forms/advanced#injecting-the-state-of-another-field 
Select::make('fk_servizio')
                    ->label('ID Servizio')
                    ->options(Servizi::all()->pluck('id', 'id'))
->reactive() //<- add this
                    ->searchable()
                    ->required(),

                TextInput::make('commissione')
                    ->label('Importo')
                    ->numeric()
                    ->minValue(fn($get) => Servizi::where('id', $get('fk_servizio'))->value('amount')) // <- changes
                    ->default(fn($get) => Servizi::where('id', $get('fk_servizio'))->value('amount')) // <- changes
                    ->required(),
Select::make('fk_servizio')
                    ->label('ID Servizio')
                    ->options(Servizi::all()->pluck('id', 'id'))
->reactive() //<- add this
                    ->searchable()
                    ->required(),

                TextInput::make('commissione')
                    ->label('Importo')
                    ->numeric()
                    ->minValue(fn($get) => Servizi::where('id', $get('fk_servizio'))->value('amount')) // <- changes
                    ->default(fn($get) => Servizi::where('id', $get('fk_servizio'))->value('amount')) // <- changes
                    ->required(),
_max28
_max28OP•2y ago
this is exactly what i was looking for, now how could I set the value automatically? I saw that there is no value method
wyChoong
wyChoong•2y ago
You have to understand what is the code doing and adjust accordingly. I’m just showing you how to get the value from another field and reactive field Maybe you should try $set
_max28
_max28OP•2y ago
of course, I also looked at the documentation only that in v.2.x I can't find anything that says how to set the value field of the form
awcodes
awcodes•2y ago
_max28
_max28OP•2y ago
oh in the advanced section, alright thank you. I made it

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