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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
*
* @category Piwik_Plugins
* @package CoreVisualizations
*/
namespace Piwik\Plugins\CoreVisualizations\Visualizations\JqplotGraph;
use Piwik\Plugins\CoreVisualizations\JqplotDataGenerator;
use Piwik\Plugins\CoreVisualizations\Visualizations\JqplotGraph;
/**
* Visualization that renders HTML for a Pie graph using jqPlot.
*/
class Pie extends JqplotGraph
{
const ID = 'graphPie';
public function __construct($view)
{
parent::__construct($view);
$view->visualization_properties->show_all_ticks = true;
$view->datatable_js_type = 'JqplotPieGraphDataTable';
// make sure only one non-label column is displayed
$view->after_data_loaded_functions[] = function ($dataTable) use ($view) {
$metricColumn = reset($view->columns_to_display);
if ($metricColumn == 'label') {
$metricColumn = next($view->columns_to_display);
}
$view->columns_to_display = array($metricColumn ?: 'nb_visits');
};
}
public static function getDefaultPropertyValues()
{
$result = parent::getDefaultPropertyValues();
$result['visualization_properties']['graph']['max_graph_elements'] = 6;
$result['visualization_properties']['graph']['allow_multi_select_series_picker'] = false;
return $result;
}
protected function makeDataGenerator($properties)
{
return JqplotDataGenerator::factory('pie', $properties);
}
}
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