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<?php |
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namespace ViewComponents\ViewComponents\Data\Operation; |
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namespace Nayjest\Querying\Operation; |
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/** |
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* DataProvider operation for sorting rows. |
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*/ |
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class SortOperation implements OperationInterface |
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{ |
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const ASC = 'asc'; |
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const DESC = 'desc'; |
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protected $order; |
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protected $field; |
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/** |
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* Creates operation for sorting rows ascending based on values of target field. |
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* |
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* @param string $field name of data field to sort rows by its value |
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* @return SortOperation |
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*/ |
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public static function asc($field) |
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{ |
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return new self($field, SortOperation::ASC); |
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} |
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/** |
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* Creates operation for sorting rows ascending based on values of target field. |
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* |
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* @param string $field name of data field to sort rows by its value |
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* @return SortOperation |
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*/ |
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public static function desc($field) |
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{ |
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return new self($field, SortOperation::DESC); |
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} |
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/** |
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* Constructor. |
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* |
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* @param string|null $field name of data field to sort rows by its value |
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* @param string $order (optional, default value: 'asc'), |
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* please use SortOperation::ASC and SortOperation::DESC constants. |
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*/ |
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public function __construct($field = null, $order = SortOperation::ASC) |
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{ |
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$this->setField($field); |
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$this->setOrder($order); |
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} |
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/** |
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* Returns sorting order ('asc' or 'desc'). |
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* @return string |
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*/ |
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public function getOrder() |
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{ |
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return $this->order; |
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} |
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/** |
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* Sets sorting order. |
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* |
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* @param string $order 'asc' (ascending) or 'desc' (descending), |
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* please use SortOperation::ASC and SortOperation::DESC constants. |
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* @return $this |
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*/ |
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public function setOrder($order) |
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{ |
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$this->order = $order; |
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return $this; |
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} |
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/** |
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* Returns name of data field to sort rows by its value. |
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* @return string |
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*/ |
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public function getField() |
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{ |
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return $this->field; |
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} |
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/** |
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* Sets name of data field to sort rows by its value. |
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* |
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* @param string $field |
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* @return $this |
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*/ |
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public function setField($field) |
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{ |
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$this->field = $field; |
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return $this; |
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} |
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} |
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Nayjest /
Querying
