Make max results of doughnut graph configurable

Classes/Dashboard/Widgets/PageViewsPerPageDoughnut.php

@@ -104,7 +104,7 @@ class PageViewsPerPageDoughnut extends AbstractDoughnutChartWidget
             ->where(... $constraints)
             ->groupBy('tx_tracking_pageview.pid')
             ->orderBy('total', 'desc')
-            ->setMaxResults(6) // Because 6 colors are defined
+            ->setMaxResults($this->settings['maxResults'])
             ->execute()
             ->fetchAll();
 

Classes/Dashboard/Widgets/SettingsFactory.php

@@ -29,6 +29,7 @@ class SettingsFactory
         'pageViewsBar' => [
             'periodInDays' => 31,
             'blackListedPages' => [],
+            'maxResults' => 6,
         ],
         'pageViewsPerPageDoughnut' => [
             'periodInDays' => 31,