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<?php |
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namespace Boduch\Grid; |
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use Boduch\Grid\Components\RowAction; |
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use Boduch\Grid\Source\SourceInterface; |
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use Illuminate\Pagination\LengthAwarePaginator; |
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use Illuminate\Pagination\Paginator; |
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class Grid |
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{ |
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/** |
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* @var string |
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*/ |
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protected $template = 'laravel-grid::grid'; |
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/** |
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* @var GridHelper |
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*/ |
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protected $gridHelper; |
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/** |
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* @var SourceInterface |
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*/ |
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protected $source; |
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/** |
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* @var Column[] |
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*/ |
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protected $columns = []; |
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/** |
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* @var int |
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*/ |
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protected $perPage = 15; |
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/** |
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* @var string |
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*/ |
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protected $emptyMessage = 'Brak danych do wyświetlenia.'; |
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/** |
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* @var Rows |
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*/ |
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protected $rows; |
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/** |
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* Total number of records. |
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* |
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* @var int |
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*/ |
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protected $total = 0; |
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/** |
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* @var RowAction[] |
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*/ |
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protected $rowActions = []; |
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/** |
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* @var array |
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*/ |
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protected $defaultOrder = [ |
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'column' => 'id', |
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'direction' => 'desc' |
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]; |
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/** |
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* @var Order |
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*/ |
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protected $order; |
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/** |
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* @var bool |
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*/ |
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protected $enablePagination = true; |
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/** |
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* @var callable |
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*/ |
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protected $eachCallback; |
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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 GridHelper $gridHelper |
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*/ |
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public function __construct(GridHelper $gridHelper) |
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{ |
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$this->gridHelper = $gridHelper; |
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$this->makeDefaultOrder(); |
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} |
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public function buildGrid() |
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{ |
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// |
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} |
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/** |
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* @return GridHelper |
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*/ |
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public function getGridHelper() |
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{ |
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return $this->gridHelper; |
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} |
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/** |
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* @param SourceInterface $source |
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* @return $this |
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*/ |
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public function setSource(SourceInterface $source) |
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{ |
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$this->source = $source; |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @param array $options |
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* @return $this |
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*/ |
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public function addColumn($name, array $options = []) |
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{ |
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if ($name instanceof Column) { |
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$column = $name; |
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} else { |
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$column = $this->makeColumn($name, $options); |
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} |
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$column->setGrid($this); |
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$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[] |
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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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* @param Order $order |
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* @return $this |
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*/ |
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public function setDefaultOrder(Order $order) |
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{ |
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$this->order = $order; |
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return $this; |
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} |
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/** |
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* @return Order |
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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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* @param int $perPage |
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* @return $this |
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*/ |
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public function setPerPage($perPage) |
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{ |
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$this->perPage = $perPage; |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getPerPage() |
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{ |
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return $this->perPage; |
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} |
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/** |
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* @return string |
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*/ |
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public function getEmptyMessage() |
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{ |
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return $this->emptyMessage; |
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} |
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/** |
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* @param string $emptyMessage |
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*/ |
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public function setEmptyMessage($emptyMessage) |
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{ |
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$this->emptyMessage = $emptyMessage; |
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} |
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/** |
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* @param RowAction $rowAction |
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* @return $this |
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*/ |
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public function addRowAction(RowAction $rowAction) |
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{ |
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$rowAction->setGrid($this); |
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$this->rowActions[] = $rowAction; |
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return $this; |
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} |
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/** |
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* @param bool $flag |
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* @return $this |
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*/ |
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public function setEnablePagination($flag) |
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{ |
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$this->enablePagination = (bool) $flag; |
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$this->setPerPage(null); |
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return $this; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isPaginationEnabled() |
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{ |
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return $this->enablePagination; |
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} |
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/** |
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* @param callable $callback |
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*/ |
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public function each(callable $callback) |
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{ |
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$this->eachCallback = $callback; |
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} |
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/** |
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* @param array $data |
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* @return $this |
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*/ |
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public function setData($data) |
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{ |
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$this->data = $data; |
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return $this; |
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} |
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/** |
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* @return \Illuminate\View\View; |
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*/ |
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public function render() |
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{ |
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$rows = $this->getRows(); |
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$pagination = null; |
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if ($this->enablePagination) { |
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$pagination = $this->getPaginator($rows)->appends($this->gridHelper->getRequest()->except('page')); |
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} |
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return $this->gridHelper->getView()->make($this->template, [ |
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'columns' => $this->columns, |
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'rows' => $rows, |
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'pagination' => $pagination, |
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'grid' => $this, |
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'is_filterable' => $this->isFilterable() |
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], $this->data); |
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} |
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/** |
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* Is table filterable? |
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* |
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* @return bool |
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*/ |
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public function isFilterable() |
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{ |
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$hasFilters = false; |
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foreach ($this->columns as $column) { |
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if ($column->isFilterable()) { |
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$hasFilters = true; |
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break; |
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} |
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} |
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return $hasFilters; |
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} |
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/** |
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* @return Rows |
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*/ |
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public function getRows() |
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{ |
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if (empty($this->source)) { |
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throw new \InvalidArgumentException('You MUST set the data grid source by calling setSource() method.'); |
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} |
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if (!empty($this->rows)) { |
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return $this->rows; |
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} |
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if ($this->gridHelper->getRequest()->has('column') && !empty($this->defaultOrder)) { |
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$this->order = new Order( |
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$this->gridHelper->getRequest()->get('column', $this->defaultOrder['column']), |
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$this->gridHelper->getRequest()->get('direction', $this->defaultOrder['direction']) |
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); |
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$validator = $this->gridHelper->getValidatorInstance($this->getValidatorRules()); |
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if ($validator->fails()) { |
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$this->makeDefaultOrder(); |
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} |
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} |
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$data = $this->execute(); |
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$this->rows = new Rows(); |
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// special column for action buttons |
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$actions = new Column(['name' => '__actions__']); |
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$actions->setGrid($this); |
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foreach ($data as $mixed) { |
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$row = new Row($mixed); |
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$row->setGrid($this); |
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foreach ($this->columns as $column) { |
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$row->addCell(new Cell($column, $mixed)); |
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} |
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$row->addCell((new Action($actions, $mixed))->setRowActions($this->rowActions)); |
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if ($this->eachCallback) { |
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$this->eachCallback->call($this, $row); |
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} |
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$this->rows->addRow($row); |
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} |
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$this->columns[] = $actions; |
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return $this->rows; |
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} |
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/** |
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* @param Rows $rows |
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* @return LengthAwarePaginator |
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*/ |
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protected function getPaginator(Rows $rows) |
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{ |
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return new LengthAwarePaginator($rows, $this->total, $this->perPage, $this->resolveCurrentPage(), [ |
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'path' => $this->resolveCurrentPath(), |
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]); |
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} |
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/** |
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* @return mixed |
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*/ |
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protected function execute() |
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{ |
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$this->source->applyFilters($this->columns, $this->gridHelper->getRequest()); |
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if ($this->enablePagination) { |
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$this->total = $this->source->total(); |
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} |
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return $this->source->execute($this->perPage, $this->resolveCurrentPage(), $this->order); |
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} |
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/** |
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* @return int |
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*/ |
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protected function resolveCurrentPage() |
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{ |
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return Paginator::resolveCurrentPage(); |
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} |
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/** |
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* @return string |
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*/ |
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protected function resolveCurrentPath() |
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{ |
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return Paginator::resolveCurrentPath(); |
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} |
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/** |
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* @return array |
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*/ |
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protected function getValidatorRules() |
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{ |
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$allowed = []; |
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foreach ($this->columns as $column) { |
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if ($column->isSortable()) { |
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$allowed[] = $column->getName(); |
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} |
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} |
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return [ |
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'column' => 'sometimes|in:' . implode(',', $allowed), |
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'direction' => 'sometimes|in:asc,desc' |
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]; |
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} |
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protected function makeDefaultOrder() |
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{ |
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$this->order = $this->defaultOrder |
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? new Order($this->defaultOrder['column'], $this->defaultOrder['direction']) |
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: new Order(); |
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} |
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/** |
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* @param string $name |
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* @param array $options |
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* @return Column |
418
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*/ |
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protected function makeColumn($name, array $options = []) |
420
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{ |
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$options = $this->setupColumnOptions($name, $options); |
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return new Column($options); |
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} |
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426
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/** |
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* @param string $name |
428
|
|
|
* @param array $options |
429
|
|
|
* @return array |
430
|
|
|
*/ |
431
|
|
|
protected function setupColumnOptions($name, array $options) |
432
|
|
|
{ |
433
|
|
|
$default = ['name' => $name]; |
434
|
|
|
|
435
|
|
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return array_merge($default, $options); |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
/** |
439
|
|
|
* @return string |
440
|
|
|
*/ |
441
|
|
|
public function __toString() |
442
|
|
|
{ |
443
|
|
|
return (string) $this->render(); |
444
|
|
|
} |
445
|
|
|
} |
446
|
|
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|
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