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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
*/
/**
* A filter is applied instantly to a given DataTable and can
* - remove rows
* - change columns values (lowercase the strings, truncate, etc.)
* - add/remove columns or details (compute percentage values, add an 'icon' detail based on the label, etc.)
* - add/remove/edit sub DataTable associated to some rows
* - whatever you can imagine
*
* The concept is very simple: the filter is given the DataTable
* and can do whatever is necessary on the data (in the filter() method).
*
* @package Piwik_DataTable
* @subpackage Piwik_DataTable_Filter
*/
abstract class Piwik_DataTable_Filter
{
protected $table;
public function __construct($table)
{
if(!($table instanceof Piwik_DataTable))
{
throw new Exception("The filter accepts only a Piwik_DataTable object.");
}
$this->table = $table;
}
abstract protected function filter();
}
require_once "DataTable/Filter/ColumnCallbackDeleteRow.php";
require_once "DataTable/Filter/ColumnCallbackAddDetail.php";
require_once "DataTable/Filter/ColumnCallbackReplace.php";
require_once "DataTable/Filter/DetailCallbackAddDetail.php";
require_once "DataTable/Filter/AddConstantDetail.php";
require_once "DataTable/Filter/Empty.php";
require_once "DataTable/Filter/ExcludeLowPopulation.php";
require_once "DataTable/Filter/Limit.php";
require_once "DataTable/Filter/Pattern.php";
require_once "DataTable/Filter/PatternRecursive.php";
require_once "DataTable/Filter/ReplaceColumnNames.php";
require_once "DataTable/Filter/Sort.php";
require_once "DataTable/Filter/AddSummaryRow.php";
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