Piwik\Plugins\CoreVisualizations\JqplotDataGenerator::initChartObjectData PHP Method

    protected function initChartObjectData($dataTable, $visualization)
    {
        $xLabels = $dataTable->getColumn('label');
        $columnNames = $this->properties['columns_to_display'];
        if (($labelColumnIndex = array_search('label', $columnNames)) !== false) {
            unset($columnNames[$labelColumnIndex]);
        }
        $columnNameToTranslation = $columnNameToValue = array();
        foreach ($columnNames as $columnName) {
            $columnNameToTranslation[$columnName] = @$this->properties['translations'][$columnName];
            $columnNameToValue[$columnName] = $dataTable->getColumn($columnName);
        }
        $visualization->dataTable = $dataTable;
        $visualization->properties = $this->properties;
        $visualization->setAxisXLabels($xLabels);
        $visualization->setAxisYValues($columnNameToValue);
        $visualization->setAxisYLabels($columnNameToTranslation);
        $units = $this->getUnitsForColumnsToDisplay();
        $visualization->setAxisYUnits($units);
    }

 /**
  * @param DataTable|DataTable\Map $dataTable
  * @param $visualization
  */
 protected function initChartObjectData($dataTable, $visualization)
 {
     // if the loaded datatable is a simple DataTable, it is most likely a plugin plotting some custom data
     // we don't expect plugin developers to return a well defined Set
     if ($dataTable instanceof DataTable) {
         parent::initChartObjectData($dataTable, $visualization);
         return;
     }
     // the X label is extracted from the 'period' object in the table's metadata
     $xLabels = array();
     foreach ($dataTable->getDataTables() as $metadataDataTable) {
         $xLabels[] = $metadataDataTable->getMetadata(DataTableFactory::TABLE_METADATA_PERIOD_INDEX)->getLocalizedShortString();
         // eg. "Aug 2009"
     }
     $units = $this->getUnitsForColumnsToDisplay();
     // if rows to display are not specified, default to all rows (TODO: perhaps this should be done elsewhere?)
     $rowsToDisplay = $this->properties['rows_to_display'] ?: array_unique($dataTable->getColumn('label')) ?: array(false);
     // collect series data to show. each row-to-display/column-to-display permutation creates a series.
     $allSeriesData = array();
     $seriesUnits = array();
     foreach ($rowsToDisplay as $rowLabel) {
         foreach ($this->properties['columns_to_display'] as $columnName) {
             $seriesLabel = $this->getSeriesLabel($rowLabel, $columnName);
             $seriesData = $this->getSeriesData($rowLabel, $columnName, $dataTable);
             $allSeriesData[$seriesLabel] = $seriesData;
             $seriesUnits[$seriesLabel] = $units[$columnName];
         }
     }
     $visualization->dataTable = $dataTable;
     $visualization->properties = $this->properties;
     $visualization->setAxisXLabels($xLabels);
     $visualization->setAxisYValues($allSeriesData);
     $visualization->setAxisYUnits($seriesUnits);
     $dataTables = $dataTable->getDataTables();
     if ($this->isLinkEnabled()) {
         $idSite = Common::getRequestVar('idSite', null, 'int');
         $periodLabel = reset($dataTables)->getMetadata(DataTableFactory::TABLE_METADATA_PERIOD_INDEX)->getLabel();
         $axisXOnClick = array();
         $queryStringAsHash = $this->getQueryStringAsHash();
         foreach ($dataTable->getDataTables() as $idDataTable => $metadataDataTable) {
             $dateInUrl = $metadataDataTable->getMetadata(DataTableFactory::TABLE_METADATA_PERIOD_INDEX)->getDateStart();
             $parameters = array('idSite' => $idSite, 'period' => $periodLabel, 'date' => $dateInUrl->toString(), 'segment' => \Piwik\API\Request::getRawSegmentFromRequest());
             $hash = '';
             if (!empty($queryStringAsHash)) {
                 $hash = '#' . Url::getQueryStringFromParameters($queryStringAsHash + $parameters);
             }
             $link = 'index.php?' . Url::getQueryStringFromParameters(array('module' => 'CoreHome', 'action' => 'index') + $parameters) . $hash;
             $axisXOnClick[] = $link;
         }
         $visualization->setAxisXOnClick($axisXOnClick);
     }
 }