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<?php |
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namespace hiqdev\higrid\representations; |
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use Yii; |
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use yii\base\Exception; |
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use yii\base\InvalidConfigException; |
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/** |
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* Class RepresentationCollection represents a collection of [[Representation]] objects |
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* and provides API to access them. |
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* |
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* @author Dmytro Naumenko <[email protected]> |
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*/ |
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class RepresentationCollection implements RepresentationCollectionInterface |
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{ |
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/** |
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* RepresentationCollection constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->fillRepresentations(); |
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} |
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/** |
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* @var array |
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*/ |
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protected $representations = []; |
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/** |
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* @void |
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*/ |
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protected function fillRepresentations() |
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{ |
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$this->representations = []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAll() |
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{ |
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foreach ($this->representations as $name => $representation) { |
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if (!is_object($representation)) { |
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$representation = $this->representations[$name] = Yii::createObject(array_merge([ |
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'class' => Representation::class |
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], $representation)); |
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} |
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if (!$representation instanceof RepresentationInterface) { |
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throw new InvalidConfigException('Representation "' . $name .'" must be instance of RepresentationInterface'); |
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} |
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} |
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return $this->representations; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getByName($name) |
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{ |
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if (!$this->exists($name)) { |
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$this->getDefault(); |
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} |
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return $this->getAll()[$name]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDefault() |
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{ |
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if (count($this->getAll()) === 0) { |
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throw new InvalidConfigException('Default can not be applied because collection is empty.'); |
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} |
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return reset($this->getAll()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function exists($name) |
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{ |
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return isset($this->getAll()[$name]); |
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} |
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} |
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hiqdev /
yii2-higrid
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