TopParentItemRenderer.php

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<?php namespace ILIAS\GlobalScreen\Scope\MetaBar\Collector\Renderer;

use ILIAS\GlobalScreen\Scope\MetaBar\Factory\isItem;
use ILIAS\GlobalScreen\Scope\MetaBar\Factory\TopParentItem;
use ILIAS\UI\Component\Component;

class TopParentItemRenderer extends AbstractMetaBarItemRenderer
{

    protected function getSpecificComponentForItem(isItem $item) : Component
    {
        $component = $this->ui->factory()->mainControls()->slate()->combined($item->getTitle(), $item->getSymbol());
        foreach ($item->getChildren() as $child) {
            $component_for_item = $child->getRenderer()->getComponentForItem($child);
            if ($this->isComponentSupportedForCombinedSlate($component_for_item)) {
                $component = $component->withAdditionalEntry($component_for_item);
            }
        }

        return $component;
    }
}