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<?php |
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namespace AtDataGrid; |
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use AtDataGrid\DataSource; |
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use AtDataGrid\Column\Column; |
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use AtDataGrid\Filter\FilterInterface; |
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use Zend\Db\ResultSet\ResultSet; |
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use Zend\EventManager\EventManagerAwareTrait; |
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use Zend\Paginator\Paginator; |
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class DataGrid implements \Countable, \IteratorAggregate, \ArrayAccess |
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{ |
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use EventManagerAwareTrait; |
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const EVENT_GRID_INSERT_PRE = 'at-datagrid.grid.insert.pre'; |
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const EVENT_GRID_INSERT_POST = 'at-datagrid.grid.insert.post'; |
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const EVENT_GRID_UPDATE_PRE = 'at-datagrid.grid.update.pre'; |
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const EVENT_GRID_UPDATE_POST = 'at-datagrid.grid.update.post'; |
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const EVENT_GRID_PERSIST_PRE = 'at-datagrid.grid.persist.pre'; |
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const EVENT_GRID_PERSIST_POST = 'at-datagrid.grid.persist.post'; |
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const EVENT_GRID_DELETE_PRE = 'at-datagrid.grid.delete.pre'; |
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const EVENT_GRID_DELETE_POST = 'at-datagrid.grid.delete.post'; |
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/** |
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* Grid title |
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* |
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* @var string |
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*/ |
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protected $title; |
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/** |
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* Data source |
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* |
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* @var DataSource\AbstractDataSource |
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*/ |
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protected $dataSource; |
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/** |
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* Data grid columns |
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* |
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* @var array |
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*/ |
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protected $columns = []; |
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/** |
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* @var string |
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*/ |
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protected $identifierColumnName = 'id'; |
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/** |
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* @var Paginator |
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*/ |
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protected $paginator; |
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/** |
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* Order in format ['id' => 'desc'] |
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* |
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* @var array |
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*/ |
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protected $order; |
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/** |
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* Current page |
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* |
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* @var integer |
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*/ |
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protected $currentPage = 1; |
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/** |
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* Items per page |
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* |
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* @var integer |
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*/ |
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protected $itemsPerPage = 20; |
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/** |
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* Page range |
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* |
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* @var integer |
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*/ |
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protected $pageRange = 10; |
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/** |
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* Array of column filters |
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* |
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* @var array |
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*/ |
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protected $filters = []; |
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/** |
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* Array of rows from data source |
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* |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* @param $dataSource |
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* @param string $title |
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*/ |
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public function __construct($dataSource, $title = '') |
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{ |
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$this->setDataSource($dataSource); |
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$this->setTitle($title); |
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// Collect column names from data source and create default column objects |
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$this->columns = $this->getDataSource()->loadColumns(); |
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} |
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// METADATA |
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/** |
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* @param $title |
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* @return $this |
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*/ |
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public function setTitle($title) |
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{ |
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$this->title = $title; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTitle() |
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{ |
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return $this->title; |
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} |
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// COLUMNS |
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/** |
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* @param $name |
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* @return $this |
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*/ |
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public function setIdentifierColumnName($name) |
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{ |
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$this->identifierColumnName = (string) $name; |
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$this->getDataSource()->setIdentifierFieldName($this->identifierColumnName); |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getIdentifierColumnName() |
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{ |
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return $this->identifierColumnName; |
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} |
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/** |
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* Check if grid has column by the given name |
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* |
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* @param $name |
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* @return bool |
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*/ |
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protected function hasColumn($name) |
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{ |
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return array_key_exists($name, $this->columns); |
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} |
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/** |
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* Add a column to data grid |
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* |
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* @param Column $column |
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* @return $this |
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*/ |
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public function addColumn(Column $column) |
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{ |
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$columnName = $column->getName(); |
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if ($this->hasColumn($columnName) ) { |
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throw new \Exception('Column `' . $columnName . '` already presents in grid.'); |
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} |
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$this->columns[$columnName] = $column; |
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return $this; |
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} |
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/** |
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* Set column by given name with overwriting. |
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* |
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* @param Column $column |
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* @return $this |
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*/ |
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public function setColumn(Column $column) |
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{ |
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$this->columns[$column->getName()] = $column; |
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return $this; |
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} |
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/** |
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* Return column object specified by it name |
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* |
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* @param $name |
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* @return Column |
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* @throws \Exception |
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*/ |
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public function getColumn($name) |
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{ |
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if ($this->hasColumn($name)) { |
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return $this->columns[$name]; |
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} |
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throw new \Exception("Column '" . $name . "' doesn't presents in grid."); |
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} |
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/** |
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* Return all column objects |
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* |
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* @return array |
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*/ |
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public function getColumns() |
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{ |
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return $this->columns; |
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} |
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/** |
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* Remove column specified by it name |
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* |
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* @param $name |
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* @return DataGrid |
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*/ |
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public function removeColumn($name) |
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{ |
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if ($this->hasColumn($name)) { |
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unset($this->columns[$name]); |
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} |
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return $this; |
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} |
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/** |
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* Remove columns specified by its names |
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* |
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* @param array $names |
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* @return DataGrid |
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*/ |
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public function removeColumns(array $names) |
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{ |
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foreach ($names as $name) { |
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$this->removeColumn($name); |
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} |
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return $this; |
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} |
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/** |
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* Set columns invisible in grid |
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* |
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* @param array $names |
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* @return DataGrid |
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*/ |
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public function hideColumns(array $names) |
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{ |
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foreach ($names as $name) { |
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$this->getColumn($name)->setVisible(false); |
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} |
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return $this; |
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} |
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/** |
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* Set columns invisible in form |
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* |
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* @param $names |
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* @return DataGrid |
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*/ |
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public function hideColumnsInForm(array $names) |
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{ |
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foreach ($names as $name) { |
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$this->getColumn($name)->setVisibleInForm(false); |
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} |
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return $this; |
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} |
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/** |
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* Set columns visible in grid |
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* |
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* @param array $names |
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* @return DataGrid |
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*/ |
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public function showColumns(array $names) |
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{ |
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foreach ($names as $name) { |
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$this->getColumn($name)->setVisible(true); |
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} |
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return $this; |
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} |
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/** |
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* Set columns visible in form |
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* |
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* @param $names |
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* @return DataGrid |
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*/ |
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public function showColumnsInForm(array $names) |
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{ |
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foreach ($names as $name) { |
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$this->getColumn($name)->setVisibleInForm(true); |
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} |
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return $this; |
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} |
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// SORTING |
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/** |
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* @param array $order |
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*/ |
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public function setOrder(array $order) |
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{ |
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$column = key($order); |
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$direction = $order[$column]; |
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if ($this->hasColumn($column) && in_array(strtolower($direction), ['asc', 'desc'])) { |
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$this->order = $order; |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function getOrder() |
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{ |
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return $this->order; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getOrderColumn() |
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{ |
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if (!empty($this->order)) { |
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return key($this->order); |
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} |
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return null; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getOrderDirection() |
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{ |
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if (!empty($this->order)) { |
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return strtolower($this->order[key($this->order)]); |
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} |
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return null; |
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} |
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/** |
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* @return string |
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*/ |
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public function getRevertOrderDirection() |
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{ |
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return ($this->getOrderDirection() == 'asc') ? 'desc' : 'asc'; |
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} |
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// DATA SOURCE |
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/** |
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* @param DataSource\AbstractDataSource $dataSource |
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* @return $this |
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*/ |
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public function setDataSource(DataSource\AbstractDataSource $dataSource) |
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{ |
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$this->dataSource = $dataSource; |
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return $this; |
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} |
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/** |
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* @return DataSource\AbstractDataSource |
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*/ |
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public function getDataSource() |
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{ |
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return $this->dataSource; |
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} |
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/** |
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* Find row by primary key |
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* |
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* @param $key |
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* @return mixed |
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*/ |
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public function getRow($key) |
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{ |
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return $this->getDataSource()->find($key); |
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} |
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/** |
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* @return mixed |
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* @throws \Exception |
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*/ |
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public function getData() |
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{ |
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// Prepare data source for fetching data |
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$this->getDataSource()->prepare($this->getOrder(), $this->getFilters()); |
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// Load data using paginator |
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$this->paginator = new Paginator($this->getDataSource()->getPaginatorAdapter()); |
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$this->paginator->setCurrentPageNumber($this->currentPage); |
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$this->paginator->setItemCountPerPage($this->itemsPerPage); |
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$this->paginator->setPageRange($this->pageRange); |
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$data = $this->paginator->getCurrentItems(); |
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|
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// Convert data to array |
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if (! is_array($data)) { |
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if ($data instanceof ResultSet) { |
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$data = $data->toArray(); |
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} elseif ($data instanceof \ArrayIterator) { |
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$data = $data->getArrayCopy(); |
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} else { |
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throw new \RuntimeException('Result data couldn\'t be converted to array'); |
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} |
422
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|
} |
423
|
|
|
|
424
|
|
|
$this->data = $data; |
425
|
|
|
return $this->data; |
426
|
|
|
} |
427
|
|
|
|
428
|
|
|
/** |
429
|
|
|
* @return Paginator |
430
|
|
|
*/ |
431
|
|
|
public function getPaginator() |
432
|
|
|
{ |
433
|
|
|
return $this->paginator; |
434
|
|
|
} |
435
|
|
|
|
436
|
|
|
// CRUD |
437
|
|
|
|
438
|
|
|
/** |
439
|
|
|
* @param $data |
440
|
|
|
* @return mixed |
441
|
|
|
*/ |
442
|
|
|
public function save($data, $identifier = null) |
443
|
|
|
{ |
444
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_PERSIST_PRE, $this, $data)->last(); |
445
|
|
|
if ($eventResult) { |
446
|
|
|
$data = $eventResult; |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
if (!$identifier) { |
450
|
|
|
$id = $this->insert($data); |
451
|
|
|
} else { |
452
|
|
|
$id = $this->update($data, $identifier); |
453
|
|
|
} |
454
|
|
|
|
455
|
|
|
$data[$this->getIdentifierColumnName()] = $id; |
456
|
|
|
|
457
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_PERSIST_POST, $this, $data); |
458
|
|
|
|
459
|
|
|
return $this->getRow($id); |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
/** |
463
|
|
|
* @param $data |
464
|
|
|
* @return mixed |
465
|
|
|
*/ |
466
|
|
|
public function insert($data) |
467
|
|
|
{ |
468
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_INSERT_PRE, $this, $data)->last(); |
469
|
|
|
if ($eventResult) { |
470
|
|
|
$data = $eventResult; |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
$id = $this->getDataSource()->insert($data); |
474
|
|
|
|
475
|
|
|
$data[$this->getIdentifierColumnName()] = $id; |
476
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_INSERT_POST, $this, $data); |
477
|
|
|
|
478
|
|
|
return $id; |
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
/** |
482
|
|
|
* @param $data |
483
|
|
|
* @param $primary |
484
|
|
|
* @return mixed |
485
|
|
|
*/ |
486
|
|
|
public function update($data, $primary) |
487
|
|
|
{ |
488
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_UPDATE_PRE, $this, $data)->last(); |
489
|
|
|
if ($eventResult) { |
490
|
|
|
$data = $eventResult; |
491
|
|
|
} |
492
|
|
|
|
493
|
|
|
$this->getDataSource()->update($data, $primary); |
494
|
|
|
$data[$this->getIdentifierColumnName()] = $primary; |
495
|
|
|
|
496
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_UPDATE_POST, $this, $data); |
497
|
|
|
|
498
|
|
|
return $primary; |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
/** |
502
|
|
|
* @param $id |
503
|
|
|
*/ |
504
|
|
|
public function delete($id) |
505
|
|
|
{ |
506
|
|
|
$identifierColumnName = $this->getIdentifierColumnName(); |
507
|
|
|
|
508
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_DELETE_PRE, $this, [$identifierColumnName => $id]); |
509
|
|
|
$this->getDataSource()->delete($id); |
510
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_DELETE_POST, $this, [$identifierColumnName => $id]); |
511
|
|
|
} |
512
|
|
|
|
513
|
|
|
// FILTERS |
514
|
|
|
|
515
|
|
|
/** |
516
|
|
|
* @param FilterInterface $filter |
517
|
|
|
* @param Column $column |
518
|
|
|
* @return $this |
519
|
|
|
*/ |
520
|
|
|
public function addFilter(FilterInterface $filter, Column $column) |
521
|
|
|
{ |
522
|
|
|
if (! $filter->getName()) { |
523
|
|
|
$filter->setName($column->getName()); |
524
|
|
|
} |
525
|
|
|
|
526
|
|
|
if (! $filter->getLabel()) { |
527
|
|
|
$filter->setLabel($column->getLabel()); |
528
|
|
|
} |
529
|
|
|
|
530
|
|
|
$this->filters[$filter->getName()] = $filter; |
531
|
|
|
|
532
|
|
|
return $this; |
533
|
|
|
} |
534
|
|
|
|
535
|
|
|
/** |
536
|
|
|
* @param $columnName |
537
|
|
|
* @return bool |
538
|
|
|
*/ |
539
|
|
|
public function hasFilter($columnName) |
540
|
|
|
{ |
541
|
|
|
return array_key_exists($columnName, $this->filters); |
542
|
|
|
} |
543
|
|
|
|
544
|
|
|
/** |
545
|
|
|
* @param $columnName |
546
|
|
|
* @return null |
547
|
|
|
*/ |
548
|
|
|
public function getFilter($columnName) |
549
|
|
|
{ |
550
|
|
|
if ($this->hasFilter($columnName)) { |
551
|
|
|
return $this->filters[$columnName]; |
552
|
|
|
} |
553
|
|
|
|
554
|
|
|
return null; |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
/** |
558
|
|
|
* @return array |
559
|
|
|
*/ |
560
|
|
|
public function getFilters() |
561
|
|
|
{ |
562
|
|
|
return $this->filters; |
563
|
|
|
} |
564
|
|
|
|
565
|
|
|
/** |
566
|
|
|
* @return bool |
567
|
|
|
*/ |
568
|
|
|
public function hasFilters() |
569
|
|
|
{ |
570
|
|
|
return count($this->getFilters()) > 0; |
571
|
|
|
} |
572
|
|
|
|
573
|
|
|
/** |
574
|
|
|
* @param $values |
575
|
|
|
*/ |
576
|
|
|
public function setFiltersData($values) |
577
|
|
|
{ |
578
|
|
|
/** @var FilterInterface $filter */ |
579
|
|
|
foreach ($this->getFilters() as $filter) { |
580
|
|
|
$filter->setValue($values[$filter->getName()]); |
581
|
|
|
} |
582
|
|
|
} |
583
|
|
|
|
584
|
|
|
// PAGINATOR |
585
|
|
|
|
586
|
|
|
/** |
587
|
|
|
* @param $number |
588
|
|
|
* @return $this |
589
|
|
|
*/ |
590
|
|
|
public function setCurrentPage($number) |
591
|
|
|
{ |
592
|
|
|
$this->currentPage = (int) $number; |
593
|
|
|
return $this; |
594
|
|
|
} |
595
|
|
|
|
596
|
|
|
/** |
597
|
|
|
* @return int |
598
|
|
|
*/ |
599
|
|
|
public function getCurrentPage() |
600
|
|
|
{ |
601
|
|
|
return $this->currentPage; |
602
|
|
|
} |
603
|
|
|
|
604
|
|
|
|
605
|
|
|
/** |
606
|
|
|
* @param $count |
607
|
|
|
* @return $this |
608
|
|
|
*/ |
609
|
|
|
public function setItemsPerPage($count) |
610
|
|
|
{ |
611
|
|
|
$this->itemsPerPage = (int) $count; |
612
|
|
|
return $this; |
613
|
|
|
} |
614
|
|
|
|
615
|
|
|
/** |
616
|
|
|
* @return int |
617
|
|
|
*/ |
618
|
|
|
public function getItemsPerPage() |
619
|
|
|
{ |
620
|
|
|
return $this->itemsPerPage; |
621
|
|
|
} |
622
|
|
|
|
623
|
|
|
/** |
624
|
|
|
* @param $count |
625
|
|
|
* @return $this |
626
|
|
|
*/ |
627
|
|
|
public function setPageRange($count) |
628
|
|
|
{ |
629
|
|
|
$this->pageRange = (int) $count; |
630
|
|
|
return $this; |
631
|
|
|
} |
632
|
|
|
|
633
|
|
|
// INTERFACES IMPLEMENTATION |
634
|
|
|
|
635
|
|
|
/** |
636
|
|
|
* @return mixed |
637
|
|
|
*/ |
638
|
|
|
public function current() |
639
|
|
|
{ |
640
|
|
|
return current($this->columns); |
641
|
|
|
} |
642
|
|
|
|
643
|
|
|
/** |
644
|
|
|
* @return bool |
645
|
|
|
*/ |
646
|
|
|
public function valid() |
647
|
|
|
{ |
648
|
|
|
return ($this->current() !== false); |
649
|
|
|
} |
650
|
|
|
|
651
|
|
|
/** |
652
|
|
|
* @return mixed |
653
|
|
|
*/ |
654
|
|
|
public function next() |
655
|
|
|
{ |
656
|
|
|
return next($this->columns); |
657
|
|
|
} |
658
|
|
|
|
659
|
|
|
/** |
660
|
|
|
* @return mixed |
661
|
|
|
*/ |
662
|
|
|
public function key() |
663
|
|
|
{ |
664
|
|
|
return key($this->columns); |
665
|
|
|
} |
666
|
|
|
|
667
|
|
|
/** |
668
|
|
|
* @return mixed |
669
|
|
|
*/ |
670
|
|
|
public function rewind() |
671
|
|
|
{ |
672
|
|
|
return reset($this->columns); |
673
|
|
|
} |
674
|
|
|
|
675
|
|
|
/** |
676
|
|
|
* @return int |
677
|
|
|
*/ |
678
|
|
|
public function count() |
679
|
|
|
{ |
680
|
|
|
return count($this->columns); |
681
|
|
|
} |
682
|
|
|
|
683
|
|
|
/** |
684
|
|
|
* @param mixed $offset |
685
|
|
|
* @return bool |
686
|
|
|
*/ |
687
|
|
|
public function offsetExists($offset) |
688
|
|
|
{ |
689
|
|
|
return isset($this->columns[$offset]); |
690
|
|
|
} |
691
|
|
|
|
692
|
|
|
/** |
693
|
|
|
* @param mixed $offset |
694
|
|
|
* @return bool|mixed |
695
|
|
|
*/ |
696
|
|
|
public function offsetGet($offset) |
697
|
|
|
{ |
698
|
|
|
if(isset($this->columns[$offset])) { |
699
|
|
|
return $this->columns[$offset]; |
700
|
|
|
} |
701
|
|
|
|
702
|
|
|
return false; |
703
|
|
|
} |
704
|
|
|
|
705
|
|
|
/** |
706
|
|
|
* @param mixed $offset |
707
|
|
|
* @param mixed $column |
708
|
|
|
*/ |
709
|
|
|
public function offsetSet($offset, $column) |
710
|
|
|
{ |
711
|
|
|
if ($offset !== null) { |
712
|
|
|
$this->columns[$offset] = $column; |
713
|
|
|
} else { |
714
|
|
|
$this->columns[] = $column; |
715
|
|
|
} |
716
|
|
|
} |
717
|
|
|
|
718
|
|
|
/** |
719
|
|
|
* @param mixed $offset |
720
|
|
|
*/ |
721
|
|
|
public function offsetUnset($offset) |
722
|
|
|
{ |
723
|
|
|
if (isset($this->columns[$offset])) { |
724
|
|
|
unset($this->columns[$offset]); |
725
|
|
|
} |
726
|
|
|
} |
727
|
|
|
|
728
|
|
|
/** |
729
|
|
|
* Get an iterator for iterating over the elements in the collection. |
730
|
|
|
* |
731
|
|
|
* @return \ArrayIterator|\Traversable |
732
|
|
|
*/ |
733
|
|
|
public function getIterator() |
734
|
|
|
{ |
735
|
|
|
return new \ArrayIterator($this->columns); |
736
|
|
|
} |
737
|
|
|
} |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..