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<?php |
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declare(strict_types=1); |
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namespace AlecRabbit\Spinner\Core; |
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use AlecRabbit\Spinner\Contract\IFrame; |
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use AlecRabbit\Spinner\Contract\IInterval; |
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use AlecRabbit\Spinner\Contract\IObserver; |
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use AlecRabbit\Spinner\Contract\ISubject; |
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use AlecRabbit\Spinner\Core\A\ASubject; |
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use AlecRabbit\Spinner\Core\Contract\ISpinner; |
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use AlecRabbit\Spinner\Core\Widget\Contract\IWidget; |
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use AlecRabbit\Spinner\Core\Widget\Contract\IWidgetComposite; |
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use AlecRabbit\Spinner\Core\Widget\Contract\IWidgetContext; |
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use AlecRabbit\Spinner\Exception\WidgetIsNotAComposite; |
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final class Spinner extends ASubject implements ISpinner |
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{ |
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public function __construct( |
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private readonly IWidget $widget, |
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?IObserver $observer = null, |
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) { |
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parent::__construct($observer); |
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$this->widget->attach($this); |
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} |
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public function getFrame(?float $dt = null): IFrame |
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{ |
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return $this->widget->getFrame($dt); |
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} |
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public function getInterval(): IInterval |
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{ |
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return $this->widget->getInterval(); |
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} |
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public function add(IWidgetContext $element): IWidgetContext |
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{ |
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if ($this->widget instanceof IWidgetComposite) { |
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return $this->widget->add($element); |
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} |
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throw new WidgetIsNotAComposite('Root widget is not a composite.'); |
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} |
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public function remove(IWidgetContext $element): void |
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{ |
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if ($this->widget instanceof IWidgetComposite) { |
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$this->widget->remove($element); |
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} |
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} |
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public function update(ISubject $subject): void |
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{ |
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if ($subject === $this->widget) { |
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$this->notify(); |
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} |
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} |
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} |
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alecrabbit /
php-console-spinner
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