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;
use ILIAS\UI\Implementation\Render\TemplateFactory;
use ILIAS\UI\Implementation\Render\ResourceRegistry;
use ILIAS\UI\Implementation\Render\JavaScriptBinding;
use ILIAS\UI\Factory as RootFactory;

class DefaultRenderer implements Renderer {
        private $ui_factory;

        private $cache = array();

        private $tpl_factory;

        private $resource_registry;

        private $lng;

        private $js_binding;

        public function __construct(RootFactory $ui_factory, TemplateFactory $tpl_factory, ResourceRegistry $resource_registry, \ilLanguage $lng, JavaScriptBinding $js_binding) {
                $this->ui_factory = $ui_factory;
                $this->tpl_factory = $tpl_factory;
                $this->resource_registry = $resource_registry;
                $this->lng = $lng;
                $this->js_binding = $js_binding;
        }

        public function render(Component $component) {
                $renderer = $this->getRendererFor(get_class($component));
                return $renderer->render($component, $this);
        }

        public function getRendererFor($class) {
                if (array_key_exists($class, $this->cache)) {
                        return $this->cache[$class];
                }
                $renderer = $this->instantiateRendererFor($class);
                $renderer->registerResources($this->resource_registry);
                $this->cache[$class] = $renderer;
                return $renderer;
        }

        public function instantiateRendererFor($class) {
                $renderer_class = $this->getRendererNameFor($class);
                if (!class_exists($renderer_class)) {
                        throw new \LogicException("No rendered for '".$class."' found.");
                }
                return new $renderer_class($this->ui_factory, $this->tpl_factory, $this->lng, $this->js_binding);
        }

        public function getRendererNameFor($class) {
                $parts = explode("\\", $class);
                $parts[count($parts)-1] = "Renderer";
                return implode("\\", $parts);
        }
}