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filament-media-gallery

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infolist entry for pdf and image preview

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# Filament Media Gallery Plugin

A custom Filament infolist entry that renders Spatie Media Library collections as an interactive
media grid — with a fullscreen Alpine.js lightbox for images and proper PDF cards that open in a
new tab. Zero external dependencies; built entirely on tools already bundled with Filament.

---

## Problem It Solves

Out of the box, Filament's `SpatieMediaLibraryImageEntry` has two issues:

1. **Images are not clickable** — no built-in lightbox or fullscreen view.
2. **PDFs render as broken images** — Filament tries to display every media item as an `<img>`,
   which shows a broken icon for PDF files with no way to open them.

This package replaces that entry with a smart, type-aware gallery component.

---

## Requirements

| Dependency | Version | Notes |
|------------|---------|-------|
| Laravel | 10+ | |
| Filament | 3, 4, 5 | Alpine.js + Tailwind bundled |
| Spatie Media Library | 10+ | Models must use `HasMedia` + `InteractsWithMedia` |
| PHP | 8.2+ | |

No additional npm packages or Composer packages required.

---

## Installation

```bash
composer require ahmed-abdelrhman/filament-media-gallery
```

The service provider is auto-discovered by Laravel. No manual registration needed.

Optionally, publish the views to customize them:

```bash
php artisan vendor:publish --tag=media-gallery-views
```

Optionally, register the plugin in your Filament panel for explicit panel-level registration:

```php
// app/Providers/Filament/AdminPanelProvider.php
->plugins([
    \AhmedAbdelrhman\FilamentMediaGallery\FilamentMediaGalleryPlugin::make(),
])
```

---

## Usage

### Basic usage

```php
use AhmedAbdelrhman\FilamentMediaGallery\Infolists\Components\MediaGalleryEntry;

MediaGalleryEntry::make('gallery')
    ->collection('coach_gallery')
    ->label('Gallery Images')
```

### With a fixed card size

```php
MediaGalleryEntry::make('certificates')
    ->collection('coach_certificates')
    ->size(300)          // 300×300 px cards
    ->label('Certificates')
```

### With circular cards

```php
MediaGalleryEntry::make('profile')
    ->collection('profile_picture')
    ->size(120)
    ->rounded()          // rounded-full
    ->label('Profile Photo')
```

### Media on a related model

Use `->fromRelation()` when the infolist is bound to a parent model but the media
belongs to a child relation:

```php
// Infolist record = User, but media lives on User->coachProfile (CoachProfile model)
MediaGalleryEntry::make('gallery')
    ->collection('coach_gallery')
    ->fromRelation('coachProfile')
    ->label('Gallery Images')
```

### Full example in a Filament Resource infolist

```php
use AhmedAbdelrhman\FilamentMediaGallery\Infolists\Components\MediaGalleryEntry;

public static function infolist(Infolist $infolist): Infolist
{
    return $infolist->schema([

Infolists\Components\Section::make('Gallery')
            ->schema([
                MediaGalleryEntry::make('gallery')
                    ->label('Gallery Images')
                    ->collection('coach_gallery')
                    ->fromRelation('coachProfile')
                    ->visible(fn ($record) => $record->coachProfile?->getMedia(
                        'coach_gallery'
                    )->isNotEmpty()),
            ])
            ->collapsible()
            ->collapsed(),

Infolists\Components\Section::make('Certificates')
            ->schema([
                MediaGalleryEntry::make('certificates')
                    ->label('Certificates')
                    ->collection('coach_certificates')
                    ->fromRelation('coachProfile')
                    ->size(250)
                    ->visible(fn ($record) => $record->coachProfile?->getMedia(
                        'coach_certificates'
                    )->isNotEmpty()),
            ])
            ->collapsible()
            ->collapsed(),

]);
}
```

---

## API Reference — `MediaGalleryEntry`

### `::make(string $name)`
Standard Filament Entry factory. `$name` is the entry identifier (used internally by Filament).

---

### `->collection(string $collection): static`

**Required.** Sets the Spatie Media Library collection name to load.

| Param | Type | Description |
|-------|------|-------------|
| `$collection` | `string` | Must match a collection name registered in the model's `registerMediaCollections()` |

---

### `->fromRelation(string $relation): static`

Load media from a related model instead of the infolist's root record.

Use this when the infolist record (e.g. `User`) is not the model that owns the media
collection — the media belongs to a related model (e.g. `CoachProfile` via `$user->coachProfile`).

| Param | Type | Description |
|-------|------|-------------|
| `$relation` | `string` | The relation method name on the infolist record |

Omit this method entirely when the media belongs directly to the infolist record.

---

### `->size(int $pixels): static`

Set a fixed card size (width = height) in pixels.

| Param | Type | Default | Description |
|-------|------|---------|-------------|
| `$pixels` | `int` | `250` | Card dimension in pixels |

When **not** called, cards use Tailwind's `aspect-square` for a responsive square.

---

### `->rounded(bool $condition = true): static`

Toggle fully rounded (circular) card corners.

- `true` → applies `rounded-full` (circle for images, pill shape for PDF cards)
- `false` → applies `rounded-lg` (standard rounded rectangle, this is the default)

---

## Blade Component — standalone usage

The underlying component can also be used standalone (outside of infolists), for example
in custom Filament pages or Livewire components:

```blade
<x-media-gallery-viewer
    :media="$model->getMedia('gallery')"
    :size="200"
    :rounded="true"
/>
```

### Props

| Prop | Type | Default | Description |
|------|------|---------|-------------|
| `media` | `Collection` | `collect()` | Spatie Media items to display |
| `size` | `int\|null` | `null` | Fixed card size in px. Null = aspect-square |
| `rounded` | `bool` | `false` | Use rounded-full instead of rounded-lg |

---

## Lightbox Behaviour

The lightbox is powered entirely by Alpine.js (no external libraries).

| Interaction | Effect |
|-------------|--------|
| Click image card | Opens fullscreen lightbox |
| Click dark backdrop | Closes lightbox |
| Press `ESC` | Closes lightbox |
| Click close button | Closes lightbox |
| Click prev/next arrows | Navigate between images (hidden when only 1 image) |
| Counter badge | Shows `current / total` (hidden when only 1 image) |

**PDF files are never added to the lightbox.** They open directly in a new browser tab.

---

## Image Conversion Priority

When rendering image thumbnails in the grid, the component tries conversions in this order:

1. `thumbnail` conversion (fastest, smallest)
2. `preview` conversion (medium quality)
3. Full original URL (fallback)

The lightbox always loads the **full original URL** for maximum quality.

To register these conversions on your model:

```php
public function registerMediaConversions(?Media $media = null): void
{
    $this->addMediaConversion('thumbnail')
        ->width(150)->height(150)->nonQueued();

$this->addMediaConversion('preview')
        ->width(400)->height(400)->nonQueued();
}
```

---

## Dark Mode

All colours use Tailwind's `dark:` variants. The component respects Filament's dark mode
toggle automatically — no additional configuration needed.

---

## License

MIT — see [LICENSE](LICENSE).

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