Filament•10mo ago

How to validate a single field when using a form action?

Is there a way to validate a single field inside a form action? I tried to validate the field keywords, but it didn't work:

TextInput::make('keywords')
                                        ->required()
                                        ->maxLength(255)
                                        ,
                                    Filament\Forms\Components\Actions::make([
  Filament\Forms\Components\Actions\Action::make('generate')
                                            ->action(function () {
  $this->validateOnly('keywords');

})

TextInput::make('keywords')
                                        ->required()
                                        ->maxLength(255)
                                        ,
                                    Filament\Forms\Components\Actions::make([
  Filament\Forms\Components\Actions\Action::make('generate')
                                            ->action(function () {
  $this->validateOnly('keywords');

})

15 Replies

LeandroFerreira•10mo ago

->action(function ($livewire) {
    $livewire->validateOnly('data.keywords');
})

->action(function ($livewire) {
    $livewire->validateOnly('data.keywords');
})

Alex Manase•10mo ago

It still didn't work

LeandroFerreira•10mo ago

Are you using admin panel?

Alex Manase•10mo ago

I am using it inside a custom Livewire component, like this: https://filamentphp.com/docs/3.x/tables/adding-a-table-to-a-livewire-component

Adding a table to a Livewire component - Table Builder - Filament

Alex Manase•10mo ago

inside

$table->actions([
  // my actions
])

$table->actions([
  // my actions
])

Like this:

Alex Manase•10mo ago

https://filamentphp.com/docs/3.x/forms/actions#adding-anonymous-actions-to-a-form-without-attaching-them-to-a-component

Actions - Form Builder - Filament

LeandroFerreira•10mo ago

ok, and where is the form? are you using statePath?

LeandroFerreira•10mo ago

you can also use a suffixAction https://filamentphp.com/docs/3.x/forms/actions#adding-an-affix-action-to-a-field

Actions - Form Builder - Filament

Alex Manase•10mo ago

ok, and where is the form?

Inside an action of a table function

 Action::make('edit')->form([
 // like this
])

 Action::make('edit')->form([
 // like this
])

are you using statePath?

No.

you can also use a suffixAction

I tried, but I need to use an icon in order for the suffix action to work. I just want a button with the label "Submit". Also I think there should be a more suitable way to validate specified fields. What if someone wants a min-form inside the form?

LeandroFerreira•10mo ago

hum.. If you have an advanced form, I think you can use a modal content/custom view to render a livewire component

Tables\Actions\Action::make('customAction')
    ->modalContent(view('custom-form'))

Tables\Actions\Action::make('customAction')
    ->modalContent(view('custom-form'))

adding a form to a Livewire component class https://filamentphp.com/docs/3.x/forms/adding-a-form-to-a-livewire-component#adding-the-form

Adding a form to a Livewire component - Form Builder - Filament

Alex Manase•10mo ago

this seems to be too much configuration for having a button that validates a single input. I will open tomorrow a feature request/bug report on Github Thank you for your help!

LeandroFerreira•10mo ago

why bug?

Alex Manase•10mo ago

Because there is a method validateOnly inside InteractsWithForm and it doesn't seem to work. Anyway, I have to spend more time in order to be sure if this is a bug, a new feature or if it's not documented enough.

LeandroFerreira•10mo ago

ok validateOnly is a livewire feature

Alex Manase•10mo ago

I'll check on this Actually, I just fixed it. All I had to do was

$this->validateOnly('mountedTableActionsData.0.keywords')

$this->validateOnly('mountedTableActionsData.0.keywords')

I solved my issue. Thank you @leandro_ferreira for your help!

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How to validate a single field when using a form action?