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<?php |
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/** |
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* Template engine class |
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*/ |
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namespace Phile\Plugin\Phile\TemplateTwig\Template; |
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use Phile\Core\Container; |
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use Phile\Core\Registry; |
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use Phile\Model\Page; |
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use Phile\ServiceLocator\TemplateInterface; |
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/** |
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* Class Twig |
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* |
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* @author PhileCMS |
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* @link https://philecms.github.io |
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* @license http://opensource.org/licenses/MIT |
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* @package Phile\Plugin\Phile\TemplateTwig\Template |
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*/ |
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class Twig implements TemplateInterface |
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{ |
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/** |
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* @var array the config for twig |
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*/ |
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protected $config; |
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/** |
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* @var Page the page model |
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*/ |
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protected $page; |
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/** |
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* @var string theme name |
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*/ |
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protected $theme; |
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/** |
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* @var string path to theme directory |
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*/ |
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protected $themesDir; |
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/** |
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* the constructor |
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* |
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* @param array $config the configuration |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->theme = $config['theme']; |
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$this->themesDir = $config['themes_dir']; |
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unset($config['theme'], $config['themes_dir']); |
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$this->config = $config; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setCurrentPage(Page $page) |
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{ |
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$this->page = $page; |
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} |
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/** |
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* method to render the page/template |
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* |
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* @return mixed|string |
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*/ |
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public function render() |
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{ |
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$engine = $this->getEngine(); |
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$vars = $this->getTemplateVars(); |
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Container::getInstance()->get('Phile_EventBus')->trigger( |
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'template_engine_registered', |
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['engine' => &$engine, 'data' => &$vars] |
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); |
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return $this->doRender($engine, $vars); |
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} |
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/** |
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* wrapper to call the render engine |
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* |
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* @param \Twig\Environment $engine |
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* @param array $vars |
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* @return string |
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*/ |
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protected function doRender(\Twig\Environment $engine, array $vars): string |
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{ |
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try { |
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$template = $this->getTemplateFileName(); |
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} catch (\RuntimeException $e) { |
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return $e->getMessage(); |
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} |
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return $engine->render($template, $vars); |
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} |
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/** |
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* get template engine |
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* |
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* @return \Twig\Environment |
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*/ |
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protected function getEngine() |
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{ |
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$loader = new \Twig\Loader\FilesystemLoader($this->getTemplatePath()); |
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$twig = new \Twig\Environment($loader, $this->config); |
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// load the twig debug extension if required |
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if (!empty($this->config['debug'])) { |
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$twig->addExtension(new \Twig\Extension\DebugExtension()); |
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} |
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return $twig; |
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} |
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/** |
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* get template file name |
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* |
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* @return string |
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* @throws \RuntimeException |
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*/ |
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protected function getTemplateFileName(): string |
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{ |
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$template = $this->page->getMeta()->get('template'); |
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if (empty($template)) { |
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$template = 'index'; |
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} |
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if (!empty($this->config['template-extension'])) { |
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$template .= '.' . $this->config['template-extension']; |
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} |
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$templatePath = $this->getTemplatePath($template); |
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if (!file_exists($templatePath)) { |
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throw new \RuntimeException( |
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"Template file '{$templatePath}' not found.", |
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1427990135 |
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); |
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} |
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return $template; |
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} |
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/** |
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* get file path to (sub-path) in theme-path |
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* |
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* @param string $sub |
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* @return string |
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*/ |
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protected function getTemplatePath(string $sub = ''): string |
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{ |
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$themePath = $this->themesDir . $this->theme; |
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if (!empty($sub)) { |
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$themePath .= '/' . ltrim($sub, DIRECTORY_SEPARATOR); |
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} |
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return $themePath; |
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} |
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/** |
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* get template vars |
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* |
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* @return array |
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* @throws \Exception |
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*/ |
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protected function getTemplateVars(): array |
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{ |
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$defaults = [ |
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'content' => $this->page->getContent(), |
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'meta' => $this->page->getMeta(), |
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'current_page' => $this->page, |
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'pages' => $this->page->getRepository()->findAll(), |
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]; |
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/** |
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* @var array $templateVars |
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*/ |
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$templateVars = Registry::get('templateVars'); |
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$templateVars += $defaults; |
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5 |
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return $templateVars; |
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} |
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} |
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PhileCMS /
Phile
