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<?php |
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/** |
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* @copyright Copyright (c) 2015 ublaboo <[email protected]> |
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* @author Pavel Janda <[email protected]> |
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* @package Ublaboo |
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*/ |
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namespace Ublaboo\DataGrid\AggregationFunction; |
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use Ublaboo\DataGrid\Exception\DataGridException; |
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use Ublaboo\DataGrid\DataModel; |
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use Ublaboo\DataGrid\DataSource\IDataSource; |
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trait TDataGridAggregationFunction |
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{ |
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/** |
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* @var IAggregationFunction[] |
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*/ |
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private $aggregationFunctions = []; |
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/** |
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* @param string $key |
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* @param IAggregationFunction $aggregationFunction |
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* @return static |
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*/ |
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public function addAggregationFunction($key, IAggregationFunction $aggregationFunction) |
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{ |
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if (!($this->dataModel instanceof DataModel)) { |
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throw new DataGridException('You have to set a data source first.'); |
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} |
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if (isset($this->aggregationFunctions[$key])) { |
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throw new DataGridException( |
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"There is already a AggregationFunction defined on column {$key}" |
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); |
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} |
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$this->aggregationFunctions[$key] = $aggregationFunction; |
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return $this; |
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} |
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/** |
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* @param IDataSource $dataSource |
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* @return void |
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*/ |
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View Code Duplication |
public function beforeDataModelFilter(IDataSource $dataSource) |
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{ |
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foreach ($this->aggregationFunctions as $aggregationFunction) { |
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if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_ALL) { |
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$dataSource->processAggregation([$aggregationFunction, 'processDataSource']); |
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} |
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} |
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} |
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/** |
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* @param IDataSource $dataSource |
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* @return void |
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*/ |
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View Code Duplication |
public function afterDataModelFilter(IDataSource $dataSource) |
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{ |
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foreach ($this->aggregationFunctions as $aggregationFunction) { |
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if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_FILTERED) { |
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$dataSource->processAggregation([$aggregationFunction, 'processDataSource']); |
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} |
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} |
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} |
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/** |
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* @param IDataSource $dataSource |
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* @return void |
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*/ |
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View Code Duplication |
public function afterDataModelPaginated(IDataSource $dataSource) |
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{ |
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foreach ($this->aggregationFunctions as $aggregationFunction) { |
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if ($aggregationFunction->getFilterDataType() === IAggregationFunction::DATA_TYPE_PAGINATED) { |
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$dataSource->processAggregation([$aggregationFunction, 'processDataSource']); |
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} |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasSomeAggregationFunction() |
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{ |
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return !empty($this->aggregationFunctions); |
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} |
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/** |
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* @return IAggregationFunction[] |
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*/ |
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public function getAggregationFunctions() |
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{ |
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return $this->aggregationFunctions; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: