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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @package Piwik_DataTable
*/
/**
* Add a new 'detail' column to the table based on the value resulting
* from a callback function with the parameter being another column's value
*
* For example from the "label" column we can to create an "icon" 'detail' column
* with the icon URI built from the label (LINUX => UserSettings/icons/linux.png)
*
* @package Piwik_DataTable
* @subpackage Piwik_DataTable_Filter
*/
class Piwik_DataTable_Filter_ColumnCallbackAddDetail extends Piwik_DataTable_Filter
{
private $columnToRead;
private $functionToApply;
private $detailToAdd;
public function __construct( $table, $columnToRead, $detailToAdd, $functionToApply )
{
parent::__construct($table);
$this->functionToApply = $functionToApply;
$this->columnToRead = $columnToRead;
$this->detailToAdd = $detailToAdd;
$this->filter();
}
protected function filter()
{
foreach($this->table->getRows() as $key => $row)
{
$oldValue = $row->getColumn($this->columnToRead);
$newValue = call_user_func( $this->functionToApply, $oldValue);
$row->addDetail($this->detailToAdd, $newValue);
}
}
}
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