DefaultRenderer.php

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<?php

/* Copyright (c) 2016 Richard Klees <richard.klees@concepts-and-training.de> Extended GPL, see docs/LICENSE */

namespace ILIAS\UI\Implementation;

use ILIAS\UI\Renderer;
use ILIAS\UI\Component\Component;
use ILIAS\UI\Implementation\Render\ComponentRenderer;

class DefaultRenderer implements Renderer
{
    private $component_renderer_loader;

    private $contexts = [];

    public function __construct(Render\Loader $component_renderer_loader)
    {
        $this->component_renderer_loader = $component_renderer_loader;
    }

    public function render($component)
    {
        $out = '';
        if (is_array($component)) {
            foreach ($component as $_component) {
                $renderer = $this->getRendererFor($_component);
                $out .= $renderer->render($_component, $this);
            }
        } else {
            $renderer = $this->getRendererFor($component);
            $out = $renderer->render($component, $this);
        }

        return $out;
    }

    public function renderAsync($component)
    {
        $out = '';

        if (is_array($component)) {
            foreach ($component as $_component) {
                $out .= $this->render($_component) .
                $this->component_renderer_loader
                        ->getRendererFactoryFor($_component)
                        ->getJSBinding()
                        ->getOnLoadCodeAsync();
            }
        } else {
            $out =  $this->render($component) .
            $this->component_renderer_loader
                    ->getRendererFactoryFor($component)
                    ->getJSBinding()
                    ->getOnLoadCodeAsync();
        }
        return $out;
    }

    protected function getRendererFor(Component $component)
    {
        return $this->component_renderer_loader->getRendererFor($component, $this->getContexts());
    }

    public function withAdditionalContext(Component $context)
    {
        $clone = clone $this;
        $clone->contexts[] = $context;
        return $clone;
    }

    protected function getContexts()
    {
        return $this->contexts;
    }
}