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<?php |
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/* |
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* This file is part of the xAPI package. |
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* |
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* (c) Christian Flothmann <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Xabbuh\XApi\Model\Interaction; |
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use Xabbuh\XApi\Model\Definition; |
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use Xabbuh\XApi\Model\LanguageMap; |
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/** |
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* An interaction which asks the learner to select from a discrete set of |
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* choices on a scale. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class LikertInteractionDefinition extends InteractionDefinition |
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{ |
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private $scale; |
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/** |
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* @param LanguageMap|null $name |
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* @param LanguageMap|null $description |
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* @param string|null $type |
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* @param string|null $moreInfo |
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* @param string[]|null $correctResponsesPattern |
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* @param InteractionComponent[]|null $scale |
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*/ |
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public function __construct(LanguageMap $name = null, LanguageMap $description = null, $type = null, $moreInfo = null, array $correctResponsesPattern = null, array $scale = null) |
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{ |
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parent::__construct($name, $description, $type, $moreInfo, $correctResponsesPattern); |
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$this->scale = $scale; |
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} |
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/** |
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* @param InteractionComponent[]|null $scale |
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* |
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* @return static |
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*/ |
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public function withScale(array $scale = null) |
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{ |
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$interaction = clone $this; |
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$interaction->scale = $scale; |
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return $interaction; |
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} |
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public function getScale() |
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{ |
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return $this->scale; |
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} |
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public function equals(Definition $definition) |
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{ |
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if (!parent::equals($definition)) { |
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return false; |
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} |
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if (!$definition instanceof LikertInteractionDefinition) { |
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return false; |
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} |
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if (null !== $this->scale xor null !== $definition->scale) { |
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return false; |
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} |
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if (null !== $this->scale) { |
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if (count($this->scale) !== count($definition->scale)) { |
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return false; |
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} |
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foreach ($this->scale as $key => $scale) { |
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if (!isset($definition->scale[$key])) { |
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return false; |
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} |
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if (!$scale->equals($definition->scale[$key])) { |
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return false; |
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} |
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} |
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} |
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return true; |
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} |
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} |
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php-xapi /
model
