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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 $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* Sort the DataTable based on the value of column $columnToSort ordered by $order.
* Possible to specify a natural sorting (see php.net/natsort for details)
*
* @package Piwik
* @subpackage Piwik_DataTable
*/
class Piwik_DataTable_Filter_Sort extends Piwik_DataTable_Filter
{
protected $columnToSort;
protected $order;
public function __construct( $table, $columnToSort, $order = 'desc', $naturalSort = true, $recursiveSort = false )
{
parent::__construct($table);
if(empty($columnToSort))
{
return;
}
if($recursiveSort)
{
$table->enableRecursiveSort();
}
$this->columnToSort = $columnToSort;
$this->naturalSort = $naturalSort;
$this->setOrder($order);
$this->filter();
}
function setOrder($order)
{
if($order == 'asc')
{
$this->order = 'asc';
$this->sign = 1;
}
else
{
$this->order = 'desc';
$this->sign = -1;
}
}
function sort($a, $b)
{
return (!isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
&& !isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
)
? 0
: (
!isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
? 1
:(
!isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
? -1
: $this->sign * (
$a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort]
< $b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort]
? -1
: 1
)
)
)
;
}
function naturalSort($a, $b)
{
return !isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
&& !isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort] )
? 0
: (!isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
? 1
: (!isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort] )
? -1
: $this->sign * strnatcasecmp(
$a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort],
$b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort]
)
)
)
;
}
function sortString($a, $b)
{
return !isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
&& !isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort] )
? 0
: (!isset($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort])
? 1
: (!isset($b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort] )
? -1
: $this->sign *
strcasecmp($a->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort],
$b->c[Piwik_DataTable_Row::COLUMNS][$this->columnToSort]
)
)
)
;
}
/**
* @param Piwik_DataTable_Row
*/
protected function selectColumnToSort($row)
{
$value = $row->getColumn($this->columnToSort);
if($value !== false)
{
return $this->columnToSort;
}
// sorting by "nb_visits" but the index is Piwik_Archive::INDEX_NB_VISITS in the table
if(isset(Piwik_Archive::$mappingFromNameToId[$this->columnToSort]))
{
$column = Piwik_Archive::$mappingFromNameToId[$this->columnToSort];
$value = $row->getColumn($column);
if($value !== false)
{
return $column;
}
}
// eg. was previously sorted by revenue_per_visit, but this table
// doesn't have this column; defaults with nb_visits
$column = Piwik_Archive::INDEX_NB_VISITS;
$value = $row->getColumn($column);
if($value !== false)
{
return $column;
}
// even though this column is not set properly in the table,
// we select it for the sort, so that the table's internal state is set properly
return $this->columnToSort;
}
protected function filter()
{
if($this->table instanceof Piwik_DataTable_Simple)
{
return;
}
$rows = $this->table->getRows();
if(count($rows) == 0)
{
return;
}
$row = current($rows);
$this->columnToSort = $this->selectColumnToSort($row);
$value = $row->getColumn($this->columnToSort);
if( is_numeric($value))
{
$methodToUse = "sort";
}
else
{
if($this->naturalSort)
{
$methodToUse = "naturalSort";
}
else
{
$methodToUse = "sortString";
}
}
$this->table->sort( array($this,$methodToUse), $this->columnToSort );
}
}
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