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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\Components; |
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/** |
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* Paginating grid. |
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* |
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* @package Grido |
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* @subpackage Components |
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* @author Petr Bugyík |
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* |
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* @property-read int $page |
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* @property-read array $steps |
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* @property-read int $countEnd |
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* @property-read int $countBegin |
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* @property-write \Grido\Grid $grid |
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*/ |
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class Paginator extends \Nette\Utils\Paginator |
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{ |
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const DEFAULT_STEP_COUNT = 4; |
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const DEFAULT_STEP_RANGE = 3; |
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/** @var int */ |
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protected $page; |
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/** @var array */ |
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protected $steps = []; |
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/** @var int */ |
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protected $countBegin; |
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/** @var int */ |
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protected $countEnd; |
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/** @var \Grido\Grid */ |
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protected $grid; |
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/** @var int */ |
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private $stepCount = self::DEFAULT_STEP_COUNT; |
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/** @var int */ |
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private $stepRange = self::DEFAULT_STEP_RANGE; |
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/** |
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* @param \Grido\Grid $grid |
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* @return Paginator |
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*/ |
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public function setGrid(\Grido\Grid $grid) |
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{ |
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$this->grid = $grid; |
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return $this; |
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} |
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/** |
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* @param int $stepRange |
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* @return Paginator |
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*/ |
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public function setStepRange($stepRange) |
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{ |
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$this->stepRange = $stepRange; |
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return $this; |
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} |
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/** |
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* @param int $stepCount |
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* @return Paginator |
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*/ |
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public function setStepCount($stepCount) |
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{ |
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$this->stepCount = (int) $stepCount; |
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return $this; |
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} |
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/**********************************************************************************************/ |
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/** |
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* @return int |
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*/ |
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public function getPage() |
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{ |
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if ($this->page === NULL) { |
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$this->page = parent::getPage(); |
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} |
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return $this->page; |
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} |
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/** |
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* @return array |
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*/ |
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public function getSteps() |
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{ |
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if (empty($this->steps)) { |
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$arr = range( |
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max($this->getFirstPage(), $this->getPage() - $this->stepRange), |
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min($this->getLastPage(), $this->getPage() + $this->stepRange) |
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); |
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$quotient = ($this->getPageCount() - 1) / $this->stepCount; |
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for ($i = 0; $i <= $this->stepCount; $i++) { |
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$arr[] = (int) (round($quotient * $i) + $this->getFirstPage()); |
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} |
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sort($arr); |
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$this->steps = array_values(array_unique($arr)); |
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} |
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return $this->steps; |
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} |
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/** |
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* @return int |
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*/ |
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public function getCountBegin() |
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{ |
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if ($this->countBegin === NULL) { |
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$this->countBegin = $this->grid->getCount() > 0 ? $this->getOffset() + 1 : 0; |
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} |
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return $this->countBegin; |
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} |
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/** |
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* @return int |
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*/ |
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public function getCountEnd() |
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{ |
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if ($this->countEnd === NULL) { |
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$this->countEnd = $this->grid->getCount() > 0 |
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? min($this->grid->getCount(), $this->getPage() * $this->grid->getPerPage()) |
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: 0; |
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} |
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return $this->countEnd; |
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} |
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} |
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o5 /
grido
