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<?php
namespace ipl\Web\Control;
use ipl\Web\Compat\CompatForm;
use ipl\Web\Url;
/**
* Allows to adjust the limit of the number of items to display
*/
class LimitControl extends CompatForm
{
/** @var int Default limit */
const DEFAULT_LIMIT = 25;
/** @var string Default limit param */
const DEFAULT_LIMIT_PARAM = 'limit';
/** @var int[] Selectable default limits */
public static $limits = [
'25' => '25',
'50' => '50',
'100' => '100',
'500' => '500'
];
/** @var string Name of the URL parameter which stores the limit */
protected $limitParam = self::DEFAULT_LIMIT_PARAM;
/** @var int */
protected $defaultLimit;
/** @var Url */
protected $url;
protected $method = 'GET';
public function __construct(Url $url)
{
$this->url = $url;
}
/**
* Get the name of the URL parameter which stores the limit
*
* @return string
*/
public function getLimitParam()
{
return $this->limitParam;
}
/**
* Set the name of the URL parameter which stores the limit
*
* @param string $limitParam
*
* @return $this
*/
public function setLimitParam($limitParam)
{
$this->limitParam = $limitParam;
return $this;
}
/**
* Get the default limit
*
* @return int
*/
public function getDefaultLimit()
{
return $this->defaultLimit ?: static::DEFAULT_LIMIT;
}
/**
* Set the default limit
*
* @param int $limit
*
* @return $this
*/
public function setDefaultLimit($limit)
{
$this->defaultLimit = $limit;
return $this;
}
/**
* Get the limit
*
* @return int
*/
public function getLimit()
{
return $this->url->getParam($this->getLimitParam(), $this->getDefaultLimit());
}
protected function assemble()
{
$this->addAttributes(['class' => 'limit-control inline']);
$limits = static::$limits;
if ($this->defaultLimit && ! isset($limits[$this->defaultLimit])) {
$limits[$this->defaultLimit] = $this->defaultLimit;
}
$limit = $this->getLimit();
if (! isset($limits[$limit])) {
$limits[$limit] = $limit;
}
$this->addElement('select', $this->getLimitParam(), [
'class' => 'autosubmit',
'label' => '#',
'options' => $limits,
'title' => t('Change item count per page'),
'value' => $limit
]);
if ($this->url->hasParam(PaginationControl::DEFAULT_PAGE_PARAM)) {
$this->addElement('hidden', PaginationControl::DEFAULT_PAGE_PARAM, [
'value' => 1
]);
}
}
}
|
