Tracy extension

<?php declare(strict_types=1);

namespace App\Panels;

use Nette;

class MyPanelExtension extends Nette\DI\CompilerExtension
{

    public function afterCompile(Nette\PhpGenerator\ClassType $generatedContainer)
    {
        $builder = $this->getContainerBuilder();
        $initialize = $generatedContainer->getMethod('initialize');

        $initialize->addBody($builder->formatPhp('?;', [
            new Nette\DI\Statement('Tracy\Debugger::getBlueScreen()->addPanel(?)', ['\App\Panels\MyPanelExtension::bluescreen']),
        ]));
    }

    public static function bluescreen($exception)
    {
        return [
            'bottom' => TRUE,
            'tab' => 'Nadpis tabu',
            'panel' => <<<HEREDOC
                <p>obsah tabu</p>
HEREDOC
            ,
        ];
    }

}