FilamentF
Filament•3y ago
Barney

Select field default value

Hi, Im having trouble with data editing. When I click 'Edit' on a row, the 'region' select field should show the default value, but it keeps showing 'Select an option' instead. What am I doing wrong?

Forms\Components\Select::make('region')
                ->options(Region::all()->pluck('name', 'id')->toArray())
                ->default(function (?Model $record) {
                    if ($record){
                        return $record->area->region->id;
                    }
                })
                ->live(),
                Forms\Components\Select::make('area_id')
                    ->relationship('area', 'name')
                    ->options(function (Get $get, ?Model $record) {
                        if($get('region')){
                            return Area::where('region_id',$get('region'))->get()->pluck('name', 'id');
                        }
                        if ($record){
                            return Area::where('region_id',$record->area->region->id)->get()->pluck('name', 'id');
                        }
                    })
                    ->live(),
Solution
Thank you! it solved my issue, for anyone asking about this, I added the mutateFormDataBeforeFill function on the Edit page 
    protected function mutateFormDataBeforeFill(array $data): array
    {
        $data['region'] = Area::find($data['area_id'])->region->id;

        return $data;
    }
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