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<?php |
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/** |
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* This file is part of the Grido (http://grido.bugyik.cz) |
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* |
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* Copyright (c) 2011 Petr Bugyík (http://petr.bugyik.cz) |
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* |
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* For the full copyright and license information, please view |
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* the file LICENSE.md that was distributed with this source code. |
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*/ |
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namespace Grido\DataSources; |
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use Grido\Exception; |
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use Grido\Components\Filters\Condition; |
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/** |
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* Nette Database data source. |
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* |
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* @package Grido |
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* @subpackage DataSources |
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* @author Petr Bugyík |
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* |
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* @property-read \Nette\Database\Table\Selection $selection |
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* @property-read int $count |
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* @property-read array $data |
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*/ |
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class NetteDatabase extends \Nette\Object implements IDataSource |
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{ |
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/** @var \Nette\Database\Table\Selection */ |
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protected $selection; |
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/** |
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* @param \Nette\Database\Table\Selection $selection |
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*/ |
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public function __construct(\Nette\Database\Table\Selection $selection) |
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{ |
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$this->selection = $selection; |
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} |
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/** |
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* @return \Nette\Database\Table\Selection |
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*/ |
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public function getSelection() |
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{ |
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return $this->selection; |
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} |
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/** |
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* @param Condition $condition |
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* @param \Nette\Database\Table\Selection $selection |
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*/ |
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protected function makeWhere(Condition $condition, \Nette\Database\Table\Selection $selection = NULL) |
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{ |
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$selection = $selection === NULL |
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? $this->selection |
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: $selection; |
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if ($condition->callback) { |
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call_user_func_array($condition->callback, [$condition->value, $selection]); |
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} else { |
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call_user_func_array([$selection, 'where'], $condition->__toArray()); |
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} |
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} |
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/********************************** inline editation helpers ************************************/ |
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/** |
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* Default callback for an inline editation save. |
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* @param mixed $id |
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* @param array $values |
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* @param string $idCol |
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* @return bool |
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*/ |
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public function update($id, array $values, $idCol) |
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{ |
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return (bool) $this->getSelection() |
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->where('?name = ?', $idCol, $id) |
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->update($values); |
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} |
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/** |
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* Default callback used when an editable column has customRender. |
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* @param mixed $id |
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* @param string $idCol |
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* @return \Nette\Database\Table\ActiveRow|bool |
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*/ |
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public function getRow($id, $idCol) |
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{ |
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return $this->getSelection() |
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->where('?name = ?', $idCol, $id) |
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->fetch(); |
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} |
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/********************************** interface IDataSource ************************************/ |
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/** |
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* @return int |
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*/ |
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public function getCount() |
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{ |
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return (int) $this->selection->count('*'); |
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} |
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/** |
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* @return array |
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*/ |
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public function getData() |
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{ |
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return $this->selection; |
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} |
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/** |
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* @param array $conditions |
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*/ |
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public function filter(array $conditions) |
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{ |
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foreach ($conditions as $condition) { |
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$this->makeWhere($condition); |
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} |
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} |
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/** |
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* @param int $offset |
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* @param int $limit |
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*/ |
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public function limit($offset, $limit) |
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{ |
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$this->selection->limit($limit, $offset); |
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} |
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/** |
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* @param array $sorting |
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*/ |
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public function sort(array $sorting) |
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{ |
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foreach ($sorting as $column => $sort) { |
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$this->selection->order("$column $sort"); |
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} |
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} |
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/** |
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* @param mixed $column |
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* @param array $conditions |
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* @param int $limit |
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* @return array |
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* @throws Exception |
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*/ |
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public function suggest($column, array $conditions, $limit) |
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{ |
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$selection = clone $this->selection; |
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is_string($column) && $selection->select("DISTINCT $column")->order($column); |
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$selection->limit($limit); |
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foreach ($conditions as $condition) { |
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$this->makeWhere($condition, $selection); |
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} |
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$items = []; |
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foreach ($selection as $row) { |
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if (is_string($column)) { |
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$value = (string) $row[$column]; |
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} elseif (is_callable($column)) { |
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$value = (string) $column($row); |
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} else { |
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$type = gettype($column); |
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throw new Exception("Column of suggestion must be string or callback, $type given."); |
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} |
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$items[$value] = \Latte\Runtime\Filters::escapeHtml($value); |
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} |
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is_callable($column) && sort($items); |
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return array_values($items); |
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} |
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} |
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o5 /
grido
