README

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Description

BPMN diagrams usually live in designer tools (bpmn.io, Camunda Modeler, Signavio) and rarely make it into the apps that execute them. This package closes that gap: upload a .bpmn file from any Nova resource and the interactive process diagram shows up right on the record, with pan, zoom, and minimap — powered by bpmn-js. Compatible with Nova 5.

Installation

You can install the package in to a Laravel app that uses Nova via composer:

composer require opscale-co/nova-bpmn-field

The package will auto-register its service provider.

Back your field with a string column on the owning model — it stores the disk path of the uploaded .bpmn. The file itself lives on the Laravel disk of your choice (typically public).

Schema::create('diagrams', function (Blueprint $table) {
    $table->id();
    $table->string('name');
    $table->string('bpmn_path')->nullable();
    $table->timestamps();
});

Make sure the disk is publicly readable (for the default public disk: php artisan storage:link).

Usage

Add the BPMN field to any Nova Resource that owns a BPMN attribute:

use Laravel\Nova\Fields\ID;
use Laravel\Nova\Fields\Text;
use Laravel\Nova\Http\Requests\NovaRequest;
use Laravel\Nova\Resource;
use Opscale\Fields\BPMN;

class Diagram extends Resource
{
    public static $model = \App\Models\Diagram::class;

    public function fields(NovaRequest $request): array
    {
        return [
            ID::make()->sortable(),
            Text::make('Name')->rules('required', 'max:255'),

            BPMN::make('Diagram', 'bpmn_path', 'public')
                ->prunable()
                ->deletable()
                ->height(600)
                ->minimap()
                ->zoomControls(),
        ];
    }
}

On Create / Update the field renders Nova’s native File dropzone — pick a .bpmn or .xml file, it is uploaded to the configured disk and the path is persisted. On Detail / Lens the field fetches the file from the disk and renders the full interactive viewer. It is intentionally hidden from Index.

Field behavior

Modifiers

Under the hood

The PHP field class is a thin subclass of Nova’s File; the Vue form and index slots alias form-file-field and index-file-field verbatim, so there is no custom upload UI to maintain. Only the detail slot is custom — it reads field.previewUrl, fetches the XML, and mounts the viewer.

Testing

npm run test

Changelog

Please see CHANGELOG for more information on what has changed recently.

Contributing

Please see CONTRIBUTING for details.

Security

If you discover any security related issues, please email development@opscale.co instead of using the issue tracker.

Credits

• Opscale

License

The MIT License (MIT). Please see License File for more information.