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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\Extensions; |
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use Xabbuh\XApi\Model\IRI; |
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use Xabbuh\XApi\Model\IRL; |
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use Xabbuh\XApi\Model\LanguageMap; |
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/** |
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* An interaction where the learner is asked to match items in one set |
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* (the source set) to items in another set (the target set). |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class MatchingInteractionDefinition extends InteractionDefinition |
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{ |
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private $source; |
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private $target; |
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/** |
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* @param string[]|null $correctResponsesPattern |
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* @param InteractionComponent[]|null $source |
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* @param InteractionComponent[]|null $target |
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*/ |
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public function __construct(LanguageMap $name = null, LanguageMap $description = null, IRI $type = null, IRL $moreInfo = null, Extensions $extensions = null, array $correctResponsesPattern = null, array $source = null, array $target = null) |
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{ |
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parent::__construct($name, $description, $type, $moreInfo, $extensions, $correctResponsesPattern); |
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$this->source = $source; |
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$this->target = $target; |
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} |
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/** |
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* @param InteractionComponent[]|null $source |
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*/ |
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public function withSource(array $source = null): self |
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{ |
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$interaction = clone $this; |
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$interaction->source = $source; |
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return $interaction; |
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} |
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/** |
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* @param InteractionComponent[]|null $target |
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*/ |
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public function withTarget(array $target = null): self |
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{ |
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$interaction = clone $this; |
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$interaction->target = $target; |
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return $interaction; |
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} |
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/** |
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* @return InteractionComponent[]|null |
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*/ |
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public function getSource(): ?array |
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{ |
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return $this->source; |
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} |
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/** |
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* @return InteractionComponent[]|null |
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*/ |
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public function getTarget(): ?array |
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{ |
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return $this->target; |
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} |
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public function equals(Definition $definition): bool |
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{ |
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if (!parent::equals($definition)) { |
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return false; |
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} |
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if (!$definition instanceof MatchingInteractionDefinition) { |
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return false; |
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} |
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if (null !== $this->source xor null !== $definition->source) { |
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return false; |
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} |
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if (null !== $this->target xor null !== $definition->target) { |
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return false; |
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} |
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if (null !== $this->source) { |
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if (count($this->source) !== count($definition->source)) { |
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return false; |
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} |
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foreach ($this->source as $key => $source) { |
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if (!isset($definition->source[$key])) { |
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return false; |
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} |
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if (!$source->equals($definition->source[$key])) { |
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return false; |
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} |
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} |
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} |
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if (null !== $this->target) { |
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if (count($this->target) !== count($definition->target)) { |
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return false; |
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} |
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foreach ($this->target as $key => $target) { |
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if (!isset($definition->target[$key])) { |
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return false; |
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} |
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if (!$target->equals($definition->target[$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
