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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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* @var string
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*/
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private $title;
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/**
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* @var DataSource\AbstractDataSource
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*/
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private $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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private $columns = [];
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/**
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* @var string
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*/
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private $identifierColumnName = 'id';
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/**
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* @var Paginator
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*/
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private $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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private $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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private $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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private $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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private $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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private $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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private $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 string $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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* @throws \Exception
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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 . "' not found.");
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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($this->order);
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}
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337
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return null;
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}
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339
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340
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/**
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341
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* @return string|null
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342
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*/
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343
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public function getOrderDirection()
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344
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{
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if (!empty($this->order)) {
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return strtolower($this->order[key($this->order)]);
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}
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349
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return null;
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}
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351
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352
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/**
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353
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* @return string
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354
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*/
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355
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public function getRevertOrderDirection()
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356
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{
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return ($this->getOrderDirection() == 'asc') ? 'desc' : 'asc';
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}
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359
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360
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// DATA SOURCE
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361
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362
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/**
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363
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* @param DataSource\AbstractDataSource $dataSource
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364
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* @return $this
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365
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*/
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366
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public function setDataSource(DataSource\AbstractDataSource $dataSource)
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367
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{
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368
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$this->dataSource = $dataSource;
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369
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return $this;
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370
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}
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371
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372
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/**
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373
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* @return DataSource\AbstractDataSource
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374
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*/
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375
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public function getDataSource()
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376
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{
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377
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return $this->dataSource;
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378
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}
|
379
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380
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/**
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381
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* Find row by primary key
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382
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*
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383
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* @param $key
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384
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* @return mixed
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385
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*/
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386
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|
public function getRow($key)
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387
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{
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388
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return $this->getDataSource()->find($key);
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389
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}
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390
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391
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/**
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392
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|
* @return mixed
|
393
|
|
|
* @throws \Exception
|
394
|
|
|
*/
|
395
|
|
|
public function getData()
|
396
|
|
|
{
|
397
|
|
|
// Prepare data source for fetching data
|
398
|
|
|
$this->getDataSource()->prepare($this->getOrder(), $this->getFilters());
|
399
|
|
|
|
400
|
|
|
// Load data using paginator
|
401
|
|
|
$this->paginator = new Paginator($this->getDataSource()->getPaginatorAdapter());
|
402
|
|
|
$this->paginator->setCurrentPageNumber($this->currentPage);
|
403
|
|
|
$this->paginator->setItemCountPerPage($this->itemsPerPage);
|
404
|
|
|
$this->paginator->setPageRange($this->pageRange);
|
405
|
|
|
$data = $this->paginator->getCurrentItems();
|
406
|
|
|
|
407
|
|
|
// Convert data to array
|
408
|
|
|
if (!is_array($data)) {
|
409
|
|
|
if ($data instanceof ResultSet) {
|
|
|
|
|
410
|
|
|
$data = $data->toArray();
|
411
|
|
|
} elseif ($data instanceof \ArrayIterator || $data instanceof \ArrayObject) {
|
412
|
|
|
$data = $data->getArrayCopy();
|
413
|
|
|
} else {
|
414
|
|
|
throw new \RuntimeException('Result data couldn\'t be converted to array');
|
415
|
|
|
}
|
416
|
|
|
}
|
417
|
|
|
|
418
|
|
|
$this->data = $data;
|
419
|
|
|
return $this->data;
|
420
|
|
|
}
|
421
|
|
|
|
422
|
|
|
/**
|
423
|
|
|
* @return Paginator
|
424
|
|
|
*/
|
425
|
|
|
public function getPaginator()
|
426
|
|
|
{
|
427
|
|
|
return $this->paginator;
|
428
|
|
|
}
|
429
|
|
|
|
430
|
|
|
// CRUD
|
431
|
|
|
|
432
|
|
|
/**
|
433
|
|
|
* @param $data
|
434
|
|
|
* @return mixed
|
435
|
|
|
*/
|
436
|
|
|
public function save($data, $identifier = null)
|
437
|
|
|
{
|
438
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_PERSIST_PRE, $this, $data)->last();
|
439
|
|
|
if ($eventResult) {
|
440
|
|
|
$data = $eventResult;
|
441
|
|
|
}
|
442
|
|
|
|
443
|
|
|
if (!$identifier) {
|
444
|
|
|
$id = $this->insert($data);
|
445
|
|
|
} else {
|
446
|
|
|
$id = $this->update($data, $identifier);
|
447
|
|
|
}
|
448
|
|
|
|
449
|
|
|
$data[$this->getIdentifierColumnName()] = $id;
|
450
|
|
|
|
451
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_PERSIST_POST, $this, $data);
|
452
|
|
|
|
453
|
|
|
return $this->getRow($id);
|
454
|
|
|
}
|
455
|
|
|
|
456
|
|
|
/**
|
457
|
|
|
* @param $data
|
458
|
|
|
* @return mixed
|
459
|
|
|
*/
|
460
|
|
|
public function insert($data)
|
461
|
|
|
{
|
462
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_INSERT_PRE, $this, $data)->last();
|
463
|
|
|
if ($eventResult) {
|
464
|
|
|
$data = $eventResult;
|
465
|
|
|
}
|
466
|
|
|
|
467
|
|
|
$id = $this->getDataSource()->insert($data);
|
468
|
|
|
|
469
|
|
|
$data[$this->getIdentifierColumnName()] = $id;
|
470
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_INSERT_POST, $this, $data);
|
471
|
|
|
|
472
|
|
|
return $id;
|
473
|
|
|
}
|
474
|
|
|
|
475
|
|
|
/**
|
476
|
|
|
* @param $data
|
477
|
|
|
* @param $primary
|
478
|
|
|
* @return mixed
|
479
|
|
|
*/
|
480
|
|
|
public function update($data, $primary)
|
481
|
|
|
{
|
482
|
|
|
$eventResult = $this->getEventManager()->trigger(self::EVENT_GRID_UPDATE_PRE, $this, $data)->last();
|
483
|
|
|
if ($eventResult) {
|
484
|
|
|
$data = $eventResult;
|
485
|
|
|
}
|
486
|
|
|
|
487
|
|
|
$this->getDataSource()->update($data, $primary);
|
488
|
|
|
$data[$this->getIdentifierColumnName()] = $primary;
|
489
|
|
|
|
490
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_UPDATE_POST, $this, $data);
|
491
|
|
|
|
492
|
|
|
return $primary;
|
493
|
|
|
}
|
494
|
|
|
|
495
|
|
|
/**
|
496
|
|
|
* @param $id
|
497
|
|
|
*/
|
498
|
|
|
public function delete($id)
|
499
|
|
|
{
|
500
|
|
|
$identifierColumnName = $this->getIdentifierColumnName();
|
501
|
|
|
|
502
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_DELETE_PRE, $this, [$identifierColumnName => $id]);
|
503
|
|
|
$this->getDataSource()->delete($id);
|
504
|
|
|
$this->getEventManager()->trigger(self::EVENT_GRID_DELETE_POST, $this, [$identifierColumnName => $id]);
|
505
|
|
|
}
|
506
|
|
|
|
507
|
|
|
// FILTERS
|
508
|
|
|
|
509
|
|
|
/**
|
510
|
|
|
* @param FilterInterface $filter
|
511
|
|
|
* @param string|Column $column
|
512
|
|
|
* @return $this
|
513
|
|
|
*/
|
514
|
|
|
public function addFilter(FilterInterface $filter, $column)
|
515
|
|
|
{
|
516
|
|
|
if (!$column instanceof Column) {
|
517
|
|
|
$column = $this->getColumn($column);
|
518
|
|
|
}
|
519
|
|
|
|
520
|
|
|
if (!$filter->getName()) {
|
521
|
|
|
$filter->setName($column->getName());
|
522
|
|
|
}
|
523
|
|
|
|
524
|
|
|
if (!$filter->getLabel()) {
|
525
|
|
|
$filter->setLabel($column->getLabel());
|
526
|
|
|
}
|
527
|
|
|
|
528
|
|
|
$this->filters[$filter->getName()] = $filter;
|
529
|
|
|
|
530
|
|
|
return $this;
|
531
|
|
|
}
|
532
|
|
|
|
533
|
|
|
/**
|
534
|
|
|
* @param $columnName
|
535
|
|
|
* @return bool
|
536
|
|
|
*/
|
537
|
|
|
public function hasFilter($columnName)
|
538
|
|
|
{
|
539
|
|
|
return array_key_exists($columnName, $this->filters);
|
540
|
|
|
}
|
541
|
|
|
|
542
|
|
|
/**
|
543
|
|
|
* @param $columnName
|
544
|
|
|
* @return null
|
545
|
|
|
*/
|
546
|
|
|
public function getFilter($columnName)
|
547
|
|
|
{
|
548
|
|
|
if ($this->hasFilter($columnName)) {
|
549
|
|
|
return $this->filters[$columnName];
|
550
|
|
|
}
|
551
|
|
|
|
552
|
|
|
return null;
|
553
|
|
|
}
|
554
|
|
|
|
555
|
|
|
/**
|
556
|
|
|
* @return array
|
557
|
|
|
*/
|
558
|
|
|
public function getFilters()
|
559
|
|
|
{
|
560
|
|
|
return $this->filters;
|
561
|
|
|
}
|
562
|
|
|
|
563
|
|
|
/**
|
564
|
|
|
* @return bool
|
565
|
|
|
*/
|
566
|
|
|
public function hasFilters()
|
567
|
|
|
{
|
568
|
|
|
return count($this->getFilters()) > 0;
|
569
|
|
|
}
|
570
|
|
|
|
571
|
|
|
/**
|
572
|
|
|
* @param $values
|
573
|
|
|
*/
|
574
|
|
|
public function setFiltersData($values)
|
575
|
|
|
{
|
576
|
|
|
/** @var FilterInterface $filter */
|
577
|
|
|
foreach ($this->getFilters() as $filter) {
|
578
|
|
|
$filter->setValue($values[$filter->getName()]);
|
579
|
|
|
}
|
580
|
|
|
}
|
581
|
|
|
|
582
|
|
|
// PAGINATOR
|
583
|
|
|
|
584
|
|
|
/**
|
585
|
|
|
* @param $number
|
586
|
|
|
* @return $this
|
587
|
|
|
*/
|
588
|
|
|
public function setCurrentPage($number)
|
589
|
|
|
{
|
590
|
|
|
$this->currentPage = (int) $number;
|
591
|
|
|
return $this;
|
592
|
|
|
}
|
593
|
|
|
|
594
|
|
|
/**
|
595
|
|
|
* @return int
|
596
|
|
|
*/
|
597
|
|
|
public function getCurrentPage()
|
598
|
|
|
{
|
599
|
|
|
return $this->currentPage;
|
600
|
|
|
}
|
601
|
|
|
|
602
|
|
|
|
603
|
|
|
/**
|
604
|
|
|
* @param $count
|
605
|
|
|
* @return $this
|
606
|
|
|
*/
|
607
|
|
|
public function setItemsPerPage($count)
|
608
|
|
|
{
|
609
|
|
|
$this->itemsPerPage = (int) $count;
|
610
|
|
|
return $this;
|
611
|
|
|
}
|
612
|
|
|
|
613
|
|
|
/**
|
614
|
|
|
* @return int
|
615
|
|
|
*/
|
616
|
|
|
public function getItemsPerPage()
|
617
|
|
|
{
|
618
|
|
|
return $this->itemsPerPage;
|
619
|
|
|
}
|
620
|
|
|
|
621
|
|
|
/**
|
622
|
|
|
* @param $count
|
623
|
|
|
* @return $this
|
624
|
|
|
*/
|
625
|
|
|
public function setPageRange($count)
|
626
|
|
|
{
|
627
|
|
|
$this->pageRange = (int) $count;
|
628
|
|
|
return $this;
|
629
|
|
|
}
|
630
|
|
|
|
631
|
|
|
// INTERFACES IMPLEMENTATION
|
632
|
|
|
|
633
|
|
|
/**
|
634
|
|
|
* @return mixed
|
635
|
|
|
*/
|
636
|
|
|
public function current()
|
637
|
|
|
{
|
638
|
|
|
return current($this->columns);
|
639
|
|
|
}
|
640
|
|
|
|
641
|
|
|
/**
|
642
|
|
|
* @return bool
|
643
|
|
|
*/
|
644
|
|
|
public function valid()
|
645
|
|
|
{
|
646
|
|
|
return ($this->current() !== false);
|
647
|
|
|
}
|
648
|
|
|
|
649
|
|
|
/**
|
650
|
|
|
* @return mixed
|
651
|
|
|
*/
|
652
|
|
|
public function next()
|
653
|
|
|
{
|
654
|
|
|
return next($this->columns);
|
655
|
|
|
}
|
656
|
|
|
|
657
|
|
|
/**
|
658
|
|
|
* @return mixed
|
659
|
|
|
*/
|
660
|
|
|
public function key()
|
661
|
|
|
{
|
662
|
|
|
return key($this->columns);
|
663
|
|
|
}
|
664
|
|
|
|
665
|
|
|
/**
|
666
|
|
|
* @return mixed
|
667
|
|
|
*/
|
668
|
|
|
public function rewind()
|
669
|
|
|
{
|
670
|
|
|
return reset($this->columns);
|
671
|
|
|
}
|
672
|
|
|
|
673
|
|
|
/**
|
674
|
|
|
* @return int
|
675
|
|
|
*/
|
676
|
|
|
public function count()
|
677
|
|
|
{
|
678
|
|
|
return count($this->columns);
|
679
|
|
|
}
|
680
|
|
|
|
681
|
|
|
/**
|
682
|
|
|
* @param mixed $offset
|
683
|
|
|
* @return bool
|
684
|
|
|
*/
|
685
|
|
|
public function offsetExists($offset)
|
686
|
|
|
{
|
687
|
|
|
return isset($this->columns[$offset]);
|
688
|
|
|
}
|
689
|
|
|
|
690
|
|
|
/**
|
691
|
|
|
* @param mixed $offset
|
692
|
|
|
* @return bool|mixed
|
693
|
|
|
*/
|
694
|
|
|
public function offsetGet($offset)
|
695
|
|
|
{
|
696
|
|
|
if(isset($this->columns[$offset])) {
|
697
|
|
|
return $this->columns[$offset];
|
698
|
|
|
}
|
699
|
|
|
|
700
|
|
|
return false;
|
701
|
|
|
}
|
702
|
|
|
|
703
|
|
|
/**
|
704
|
|
|
* @param mixed $offset
|
705
|
|
|
* @param mixed $column
|
706
|
|
|
*/
|
707
|
|
|
public function offsetSet($offset, $column)
|
708
|
|
|
{
|
709
|
|
|
if ($offset !== null) {
|
710
|
|
|
$this->columns[$offset] = $column;
|
711
|
|
|
} else {
|
712
|
|
|
$this->columns[] = $column;
|
713
|
|
|
}
|
714
|
|
|
}
|
715
|
|
|
|
716
|
|
|
/**
|
717
|
|
|
* @param mixed $offset
|
718
|
|
|
*/
|
719
|
|
|
public function offsetUnset($offset)
|
720
|
|
|
{
|
721
|
|
|
if (isset($this->columns[$offset])) {
|
722
|
|
|
unset($this->columns[$offset]);
|
723
|
|
|
}
|
724
|
|
|
}
|
725
|
|
|
|
726
|
|
|
/**
|
727
|
|
|
* Get an iterator for iterating over the elements in the collection.
|
728
|
|
|
*
|
729
|
|
|
* @return \ArrayIterator|\Traversable
|
730
|
|
|
*/
|
731
|
|
|
public function getIterator()
|
732
|
|
|
{
|
733
|
|
|
return new \ArrayIterator($this->columns);
|
734
|
|
|
}
|
735
|
|
|
} |
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..