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<!DOCTYPE html>
<html>
<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\Events\Reports;

use Piwik\DataTable;
use Piwik\EventDispatcher;
use Piwik\Common;
use Piwik\Piwik;
use Piwik\Plugin\ViewDataTable;
use Piwik\Plugins\Events\API;
use Piwik\Plugins\Events\Columns\Metrics\AverageEventValue;
use Piwik\Report\ReportWidgetFactory;
use Piwik\Url;
use Piwik\Widget\WidgetsList;
abstract class Base extends \Piwik\Plugin\Report
{
    protected function init()
    {
        $this->categoryId = 'General_Actions';
        $this->subcategoryId = 'Events_Events';
        $this->onlineGuideUrl = Url::addCampaignParametersToMatomoLink('https://matomo.org/docs/event-tracking/');
        $this->processedMetrics = array(new AverageEventValue());
    }
    public function getMetricsDocumentation()
    {
        $documentation = parent::getMetricsDocumentation();
        $documentation['nb_visits'] = Piwik::translate('Events_ColumnNbVisitsDocumentation');
        $documentation['nb_uniq_visitors'] = Piwik::translate('Events_ColumnNbUniqVisitorsDocumentation');
        return $documentation;
    }
    public function configureWidgets(WidgetsList $widgetsList, ReportWidgetFactory $factory)
    {
        if (!$this->isSubtableReport) {
            $widget = $factory->createWidget()->setParameters(array('secondaryDimension' => API::getInstance()->getDefaultSecondaryDimension($this->action)));
            $widgetsList->addToContainerWidget('Events', $widget);
        }
    }
    public function configureView(ViewDataTable $view)
    {
        if (Common::getRequestVar('secondaryDimension', '', 'string')) {
            foreach (['pivotBy', 'pivotByColumn'] as $property) {
                $index = array_search($property, $view->requestConfig->overridableProperties);
                if ($index) {
                    unset($view->requestConfig->overridableProperties[$index]);
                }
            }
            $view->requestConfig->overridableProperties = array_values($view->requestConfig->overridableProperties);
        }
        if (property_exists($view->config, 'selectable_columns')) {
            $view->config->selectable_columns = ['nb_events', 'nb_visits', 'sum_event_value', 'nb_events_with_value'];
        }
        $this->configureFooterMessage($view);
    }
    protected function configureFooterMessage(ViewDataTable $view)
    {
        if ($this->isSubtableReport) {
            // no footer message for subtables
            return;
        }
        $view->config->filters[] = function (DataTable $dataTable) use($view) {
            $out = '';
            EventDispatcher::getInstance()->postEvent('Template.afterEventsReport', [&$out, $dataTable]);
            $view->config->show_footer_message = $out;
        };
    }
}
