<?php
namespace Maknz\Slack;
use InvalidArgumentException;
trait MaxItemsTrait
{
/**
* Maximum number of selected items.
*
* @var int
*/
protected $max_selected_items;
/**
* Get the maximum number of selected items.
*
* @return int
*/
public function getMaxSelectedItems()
{
return $this->max_selected_items;
}
/**
* Set the maximum number of selected items.
*
* @param int $maxSelectedItems
*
* @return $this
*
* @throws \InvalidArgumentException
*/
public function setMaxSelectedItems($maxSelectedItems)
{
if (is_int($maxSelectedItems) && $maxSelectedItems >= 1) {
$this->max_selected_items = $maxSelectedItems;
return $this;
}
throw new InvalidArgumentException('The max selected items must be a positive integer');
}
}