AbstractMetaBarItemRenderer.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\GlobalScreen\Scope\MetaBar\Collector\Renderer;
 
use ILIAS\Data\URI;
use ILIAS\DI\UIServices;
use ILIAS\GlobalScreen\Collector\Renderer\ComponentDecoratorApplierTrait;
use ILIAS\GlobalScreen\Collector\Renderer\isSupportedTrait;
use ILIAS\GlobalScreen\Scope\MetaBar\Factory\hasSymbol;
use ILIAS\GlobalScreen\Scope\MetaBar\Factory\hasTitle;
use ILIAS\GlobalScreen\Scope\MetaBar\Factory\isItem;
use ILIAS\UI\Component\Component;
use ILIAS\UI\Component\Symbol\Symbol;
 
abstract class AbstractMetaBarItemRenderer implements MetaBarItemRenderer
{
    use ComponentDecoratorApplierTrait;
    use isSupportedTrait;
 
    protected $ui;
 
    public function __construct()
    {
        global $DIC;
        $this->ui = $DIC->ui();
    }
 
    protected function getURI(string $uri_string) : URI
    {
        if (strpos($uri_string, 'http') === 0) {
            return new URI($uri_string);
        }
 
        return new URI(rtrim(ILIAS_HTTP_PATH, "/") . "/" . ltrim($uri_string, "./"));
    }
 
    public function getComponentForItem(isItem $item) : Component
    {
        $component = $this->getSpecificComponentForItem($item);
 
        return $this->applyDecorator($component, $item);
    }
 
    abstract protected function getSpecificComponentForItem(isItem $item) : Component;
 
    protected function buildIcon(isItem $item) : Symbol
    {
        if ($item instanceof hasSymbol && $item->hasSymbol()) {
            return $this->applySymbolDecorator($item->getSymbol(), $item);
        }
        if ($item instanceof hasTitle) {
            $abbr = strtoupper(substr($item->getTitle(), 0, 1));
        } else {
            $abbr = strtoupper(substr(uniqid('', true), -1));
        }
 
        return $this->ui->factory()->symbol()->icon()->standard($abbr, $abbr, 'small', true)->withAbbreviation($abbr);
    }
 
    protected function getStandardSymbol(isItem $item) : Symbol
    {
        return $this->buildIcon($item);
    }
}