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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
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';
const FOOTER_ICON = 'icon-chart-pie';
const FOOTER_ICON_TITLE = 'General_Piechart';
public static function getDefaultConfig()
{
$config = new Config();
$config->max_graph_elements = 6;
$config->allow_multi_select_series_picker = false;
return $config;
}
public function beforeRender()
{
parent::beforeRender();
$this->config->show_all_ticks = true;
$this->config->datatable_js_type = 'JqplotPieGraphDataTable';
}
public function afterAllFiltersAreApplied()
{
parent::afterAllFiltersAreApplied();
$metricColumn = reset($this->config->columns_to_display);
if ($metricColumn == 'label') {
$metricColumn = next($this->config->columns_to_display);
}
$this->config->columns_to_display = array($metricColumn ? : 'nb_visits');
}
protected function makeDataGenerator($properties)
{
return JqplotDataGenerator::factory('pie', $properties);
}
}
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