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<?php |
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/** |
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* @author Andrew Coulton <[email protected]> |
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* @copyright 2015 inGenerator Ltd |
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* @license http://kohanaframework.org/license |
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*/ |
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namespace Ingenerator\KohanaView\Renderer; |
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use Ingenerator\KohanaView\Exception\TemplateNotFoundException; |
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use Ingenerator\KohanaView\Renderer; |
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use Ingenerator\KohanaView\TemplateManager; |
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use Ingenerator\KohanaView\ViewModel; |
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use Ingenerator\KohanaView\ViewTemplateSelector; |
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/** |
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* Renders a ViewModel to an HTML string for return to the user. The template is rendered with an anonymous scope |
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* which only has access to the ViewModel, the Renderer (for rendering any subviews) and the template file path. |
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* |
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* @package Ingenerator\KohanaView\Renderer |
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*/ |
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class HTMLRenderer implements Renderer |
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{ |
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/** |
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* @var TemplateManager |
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*/ |
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protected $template_manager; |
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/** |
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* @var ViewTemplateSelector |
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*/ |
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protected $template_selector; |
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public function __construct(ViewTemplateSelector $template_selector, TemplateManager $template_manager) |
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{ |
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$this->template_selector = $template_selector; |
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$this->template_manager = $template_manager; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(ViewModel $view) |
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{ |
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$template_path = $this->getTemplatePath($view); |
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ob_start(); |
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try { |
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$this->includeWithAnonymousScope($view, $template_path); |
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} finally { |
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$output = ob_get_clean(); |
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} |
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return $output; |
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} |
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/** |
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* @param ViewModel $view |
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* |
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* @return string |
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*/ |
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protected function getTemplatePath(ViewModel $view) |
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{ |
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$template_name = $this->template_selector->getTemplateName($view); |
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$template = $this->template_manager->getPath($template_name); |
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return $template; |
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} |
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/** |
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* @param ViewModel $view |
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* @param string $template_path |
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*/ |
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protected function includeWithAnonymousScope(ViewModel $view, $template_path) |
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{ |
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/** @noinspection PhpUnusedParameterInspection */ |
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/** @noinspection PhpDocSignatureInspection */ |
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$bound_capture = function (ViewModel $view, Renderer $renderer, $template) { |
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/** @noinspection PhpIncludeInspection */ |
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return include $template; |
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}; |
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$anon_capture = $bound_capture->bindTo(NULL); |
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// A user's own error handler may throw an exception here if the include fails - which we will bubble as-is. |
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// If they have not configured an error handler, we need to throw an exception of our own. |
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if ($anon_capture($view, $this, $template_path) === FALSE) { |
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throw TemplateNotFoundException::forFullPath($template_path); |
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} |
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} |
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} |
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ingenerator /
kohana-view
