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<?php
/**
* TDataList class file
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Web\UI\WebControls
*/
namespace Prado\Web\UI\WebControls;
use Prado\Exceptions\TInvalidDataTypeException;
use Prado\Web\UI\TControl;
/**
* TDataListItemCollection class.
*
* TDataListItemCollection represents a collection of data list items.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package Prado\Web\UI\WebControls
* @since 3.0
*/
class TDataListItemCollection extends \Prado\Collections\TList
{
/**
* Inserts an item at the specified position.
* This overrides the parent implementation by inserting only TControl descendants.
* @param integer the speicified position.
* @param mixed new item
* @throws TInvalidDataTypeException if the item to be inserted is not a TControl descendant.
*/
public function insertAt($index,$item)
{
if($item instanceof TControl)
parent::insertAt($index,$item);
else
throw new TInvalidDataTypeException('datalistitemcollection_datalistitem_required');
}
}
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