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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\Exception\InvalidWidgetConfigurationException; |
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use DisqusHelper\Exception\InvalidWidgetException; |
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use DisqusHelper\Exception\WidgetNotFoundException; |
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class WidgetManager implements WidgetLocatorInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $widgets; |
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private function __construct() |
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{ |
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} |
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public static function create(array $widgets) : WidgetManager |
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{ |
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$widgetManager = new self(); |
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foreach ($widgets as $widgetId => $widget) { |
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$widgetManager->registerWidget($widgetId, $widget); |
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} |
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return $widgetManager; |
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} |
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public static function createWithDefaultWidgets() : WidgetManager |
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{ |
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return self::create([ |
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'thread' => ThreadWidget::class, |
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'commentscount' => CommentsCountWidget::class, |
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]); |
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} |
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public function registerWidget(string $widgetId, $widget) |
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{ |
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if (!($widget instanceof WidgetInterface || is_string($widget) || is_callable($widget))) { |
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throw InvalidWidgetConfigurationException::forConfiguration($widgetId, $widget); |
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} |
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$widgetId = strtolower($widgetId); |
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$this->widgets[$widgetId] = $widget; |
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} |
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public function has(string $widgetId) : bool |
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{ |
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$widgetId = strtolower($widgetId); |
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return isset($this->widgets[$widgetId]); |
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} |
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public function get(string $widgetId) : WidgetInterface |
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{ |
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$widgetId = strtolower($widgetId); |
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if (!isset($this->widgets[$widgetId])) { |
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throw WidgetNotFoundException::forWidgetId($widgetId); |
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} |
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$widget = $this->createWidget($widgetId); |
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if (!$widget instanceof WidgetInterface) { |
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throw InvalidWidgetException::forWidget($widget); |
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} |
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return $widget; |
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} |
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protected function createWidget($widgetId) |
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{ |
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$widget = $this->widgets[$widgetId]; |
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if (is_string($widget)) { |
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return new $widget(); |
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} |
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if (is_callable($widget)) { |
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return $widget(); |
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} |
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return $widget; |
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} |
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} |
nikolaposa /
disqus-helper
