sistem-akademik/app/Filament/Resources/LearningObjectiveResource.php

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\LearningObjectiveResource\Pages;
use App\Filament\Resources\LearningObjectiveResource\RelationManagers;
use App\Models\ClassRoom; // Import ClassRoom model
use App\Models\LearningObjective;
use App\Models\Subject;    // Import Subject model
use Filament\Forms;
use Filament\Forms\Components\Select;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;

class LearningObjectiveResource extends Resource
{
    protected static ?string $model = LearningObjective::class;

    protected static ?string $navigationIcon = 'heroicon-o-document-text';

    protected static ?string $navigationGroup = 'Academic Setup';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Select::make('class_room_id')
                    ->label('Class Room')
                    ->required()
                    ->options(ClassRoom::pluck('class_name', 'id')->toArray())
                    ->searchable()
                    ->native(false),

                Select::make('subject_id')
                    ->label('Mata Pelajaran')
                    ->relationship('subject', 'name')
                    ->required(),

                // Textarea for description
                Forms\Components\Textarea::make('description')
                    ->rows(5)
                    ->cols(10)
                    ->required()
                    ->maxLength(65535), // Max length for TEXT type in database
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                // Display related Class Room name
                Tables\Columns\TextColumn::make('class.class_name')
                    ->label('Kelas')
                    ->searchable()
                    ->sortable(),

                // Display related Subject name
                Tables\Columns\TextColumn::make('subject.name')
                    ->label('Mapel')
                    ->searchable()
                    ->sortable(),

                // Display description, truncate for brevity in table
                Tables\Columns\TextColumn::make('description')
                    ->label('Deskripsi')
                    ->searchable()
                    ->limit(50) // Limit text length in table
                    ->tooltip(fn (LearningObjective $record): string => $record->description) // Show full text on hover
                    ->sortable(),

                // Standard timestamp columns
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('deleted_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true), // Show deleted_at if soft deletes are used
            ])
            ->filters([
                // TrashedFilter works with SoftDeletes trait on the model
                Tables\Filters\TrashedFilter::make(),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(), // For soft deleting records
                Tables\Actions\RestoreAction::make(), // For restoring soft-deleted records
                Tables\Actions\ForceDeleteAction::make(), // For permanently deleting records
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                    Tables\Actions\ForceDeleteBulkAction::make(),
                    Tables\Actions\RestoreBulkAction::make(),
                ]),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            // Define any relation managers here if needed
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListLearningObjectives::route('/'),
            'create' => Pages\CreateLearningObjective::route('/create'),
            'edit' => Pages\EditLearningObjective::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {

        return parent::getEloquentQuery()
         ->withoutGlobalScopes([
             SoftDeletingScope::class,
         ]);
    }

    public static function getNavigationLabel(): string
    {
        return 'Tujuan Pembelajaran';
    }

    public static function getBreadcrumb(): string
    {
        return 'Tujuan Pembelajaran';
    }

    public static function getPluralModelLabel(): string
    {
        return 'Tujuan Pembelajaran';
    }
}