allow to customize resource form

app/Filament/Admin/Resources/ApiKeyResource.php

@@ -8,6 +8,7 @@ use App\Filament\Components\Tables\Columns\DateTimeColumn;
 use App\Models\ApiKey;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Forms\Components\Fieldset;
 use Filament\Forms\Components\TagsInput;
@@ -25,6 +26,7 @@ class ApiKeyResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = ApiKey::class;
@@ -99,7 +101,7 @@ class ApiKeyResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         return $form
             ->schema([

app/Filament/Admin/Resources/DatabaseHostResource.php

@@ -7,6 +7,7 @@ use App\Filament\Admin\Resources\DatabaseHostResource\RelationManagers;
 use App\Models\DatabaseHost;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Forms\Components\Section;
 use Filament\Forms\Components\Select;
@@ -26,6 +27,7 @@ class DatabaseHostResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = DatabaseHost::class;
@@ -97,7 +99,7 @@ class DatabaseHostResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         return $form
             ->schema([

app/Filament/Admin/Resources/MountResource.php

@@ -6,6 +6,7 @@ use App\Filament\Admin\Resources\MountResource\Pages;
 use App\Models\Mount;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Forms\Components\Group;
 use Filament\Forms\Components\Section;
@@ -27,6 +28,7 @@ class MountResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = Mount::class;
@@ -101,7 +103,7 @@ class MountResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         return $form
             ->schema([

app/Filament/Admin/Resources/RoleResource.php

@@ -6,6 +6,7 @@ use App\Filament\Admin\Resources\RoleResource\Pages;
 use App\Models\Role;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Forms\Components\Actions\Action;
 use Filament\Forms\Components\CheckboxList;
@@ -31,6 +32,7 @@ class RoleResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = Role::class;
@@ -104,7 +106,7 @@ class RoleResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         $permissionSections = [];
 

app/Filament/Admin/Resources/UserResource.php

@@ -8,6 +8,7 @@ use App\Models\Role;
 use App\Models\User;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Facades\Filament;
 use Filament\Forms\Components\CheckboxList;
@@ -27,6 +28,7 @@ class UserResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = User::class;
@@ -106,7 +108,7 @@ class UserResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         return $form
             ->columns(['default' => 1, 'lg' => 3])

app/Filament/Admin/Resources/WebhookResource.php

@@ -6,6 +6,7 @@ use App\Filament\Admin\Resources\WebhookResource\Pages;
 use App\Models\WebhookConfiguration;
 use App\Traits\Filament\CanCustomizePages;
 use App\Traits\Filament\CanCustomizeRelations;
+use App\Traits\Filament\CanModifyForm;
 use App\Traits\Filament\CanModifyTable;
 use Filament\Forms\Components\CheckboxList;
 use Filament\Forms\Components\TextInput;
@@ -23,6 +24,7 @@ class WebhookResource extends Resource
 {
     use CanCustomizePages;
     use CanCustomizeRelations;
+    use CanModifyForm;
     use CanModifyTable;
 
     protected static ?string $model = WebhookConfiguration::class;
@@ -82,7 +84,7 @@ class WebhookResource extends Resource
             ]);
     }
 
-    public static function form(Form $form): Form
+    public static function defaultForm(Form $form): Form
     {
         return $form
             ->schema([

app/Traits/Filament/CanModifyForm.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Traits\Filament;
+
+use Closure;
+use Filament\Forms\Form;
+
+trait CanModifyForm
+{
+    /** @var array<Closure> */
+    protected static array $customFormModifications = [];
+
+    public static function modifyForm(Closure $closure): void
+    {
+        static::$customFormModifications[] = $closure;
+    }
+
+    public static function defaultForm(Form $form): Form
+    {
+        return $form;
+    }
+
+    public static function form(Form $form): Form
+    {
+        $form = static::defaultForm($form);
+
+        foreach (static::$customFormModifications as $closure) {
+            $form = $closure($form);
+        }
+
+        return $form;
+    }
+}