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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
*/
/**
* Returns the equivalent PHP array for a given DataTable.
* You can specify in the constructor if you want the serialized version.
* Please note that by default it will produce a flat version of the array.
* See the method flatRender() for details. @see flatRender();
*
* Works with recursive DataTable (when a row can be associated with a subDataTable).
*
* @package Piwik_DataTable
* @subpackage Piwik_DataTable_Renderer
*/
class Piwik_DataTable_Renderer_Php extends Piwik_DataTable_Renderer
{
protected $serialize;
public function __construct($table = null, $serialize = true)
{
parent::__construct($table);
$this->setSerialize($serialize);
}
public function setSerialize( $bool )
{
$this->serialize = $bool;
}
public function __toString()
{
$data = $this->render();
if(!is_string($data))
{
$data = serialize($data);
}
return $data;
}
/**
* Produces a flat php array from the DataTable, putting "columns" and "details" on the same level.
*
* For example, when a originalRender() would be
* array( 'columns' => array( 'col1_name' => value1, 'col2_name' => value2 ),
* 'details' => array( 'detail1_name' => value_detail) )
*
* a flatRender() is
* array( 'col1_name' => value1,
* 'col2_name' => value2,
* 'detail1_name' => value_detail )
*
* @return array Php array representing the 'flat' version of the datatable
*
*/
public function flatRender( $dataTable = null, $doRenderSubTablesIfAvailable = true )
{
if(is_null($dataTable))
{
$dataTable = $this->table;
}
if($dataTable instanceof Piwik_DataTable_Array)
{
$flatArray = array();
foreach($dataTable->getArray() as $keyName => $table)
{
$serializeSave = $this->serialize;
$this->serialize = false;
$flatArray[$keyName] = $this->flatRender($table);
$this->serialize = $serializeSave;
}
}
// A DataTable_Simple is already flattened so no need to do some crazy stuff to convert it
else if($dataTable instanceof Piwik_DataTable_Simple)
{
$flatArray = $this->renderSimpleTable($dataTable);
// if we return only one numeric value then we print out the result in a simple <result> tag
// keep it simple!
if(count($flatArray) == 1)
{
$flatArray = current($flatArray);
}
}
// A normal DataTable needs to be handled specifically
else
{
$array = $this->renderTable($dataTable, $doRenderSubTablesIfAvailable);
$flatArray = $this->flattenArray($array);
}
if($this->serialize)
{
$flatArray = serialize($flatArray);
}
return $flatArray;
}
protected function flattenArray($array)
{
$flatArray = array();
foreach($array as $row)
{
$newRow = $row['columns'] + $row['details'];
if(isset($row['idsubdatatable']))
{
$newRow += array('idsubdatatable' => $row['idsubdatatable']);
if(isset($row['subtable']))
{
$newRow += array('subtable' => $this->flattenArray($row['subtable']) );
}
}
$flatArray[] = $newRow;
}
return $flatArray;
}
public function render( $dataTable = null)
{
if(is_null($dataTable))
{
$dataTable = $this->table;
}
$toReturn = $this->flatRender( $dataTable );
if( false !== Piwik_Common::getRequestVar('prettyDisplay', false) )
{
if(!is_array($toReturn))
{
$toReturn = unserialize($toReturn);
}
$toReturn = "<pre>" . var_export($toReturn, true ) . "</pre>";
}
return $toReturn;
}
public function originalRender()
{
if($this->table instanceof Piwik_DataTable_Simple)
{
$array = $this->renderSimpleTable($this->table);
}
else
{
$array = $this->renderTable($this->table, $doRenderSubTablesIfAvailable = false);
}
if($this->serialize)
{
$array = serialize($array);
}
return $array;
}
protected function renderTable($table, $doRenderSubTablesIfAvailable = true)
{
$array = array();
foreach($table->getRows() as $row)
{
$newRow = array(
'columns' => $row->getColumns(),
'details' => $row->getDetails(),
'idsubdatatable' => $row->getIdSubDataTable(),
);
if($doRenderSubTablesIfAvailable
&& $row->getIdSubDataTable() !== null)
{
try{
$subTable = $this->renderTable( Piwik_DataTable_Manager::getInstance()->getTable($row->getIdSubDataTable()));
$newRow['subtable'] = $subTable;
} catch (Exception $e) {
// the subtables are not loaded we dont do anything
}
}
$array[] = $newRow;
}
return $array;
}
protected function renderSimpleTable($table)
{
$array = array();
foreach($table->getRows() as $row)
{
$array[$row->getColumn('label')] = $row->getColumn('value');
}
return $array;
}
}
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