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<?php |
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/** |
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* This file is part of the Disqus Helper package. |
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* |
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* Copyright (c) Nikola Posa <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace DisqusHelper\Widget; |
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use DisqusHelper\Code; |
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use DisqusHelper\Exception\RuntimeException; |
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/** |
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* Comments count widget. |
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* |
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* @author Nikola Posa <[email protected]> |
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*/ |
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final class CommentsCountWidget extends BaseWidget |
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{ |
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const SCRIPT_NAME = 'count.js'; |
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/** |
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* @var array |
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*/ |
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private static $defaultOptions = [ |
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'url' => null, |
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'label' => null, |
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'as_link' => true, |
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'identifier' => null, |
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]; |
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public function render(array $options = []) : string |
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{ |
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$options = array_merge(self::$defaultOptions, $options); |
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$label = htmlspecialchars((string) $options['label'], ENT_QUOTES, 'UTF-8'); |
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$attribs = []; |
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if (isset($options['identifier'])) { |
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$attribs['data-disqus-identifier'] = $options['identifier']; |
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} |
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if ($options['as_link']) { |
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if (empty($options['url'])) { |
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throw new RuntimeException("URL option is missing for the Comments count widget"); |
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} |
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return $this->renderLink($options['url'] . '#disqus_thread', $label, $attribs); |
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} |
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if (!empty($options['url'])) { |
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$attribs['data-disqus-url'] = $options['url']; |
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} |
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return $this->renderElement($label, $attribs); |
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} |
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private function renderLink(string $href, string $label, array $attribs) : string |
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{ |
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return '<a href="' . $href . '"' |
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. ' ' . $this->htmlAttribsToString($attribs) . '>' |
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. $label |
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. '</a>'; |
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} |
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private function renderElement(string $label, array $attribs) : string |
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{ |
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return '<span class="disqus-comment-count"' |
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. ' ' . $this->htmlAttribsToString($attribs) . '>' |
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. $label |
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. '</span>'; |
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} |
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public function visit(Code $code) : Code |
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{ |
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$code->addScriptFile(self::SCRIPT_NAME); |
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return $code; |
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} |
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} |
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nikolaposa /
disqus-helper
