Supports pie graphs, bar graphs and time serieses (aka, evolution graphs).
/**
* @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);
}
}
protected function makeDataGenerator($properties)
{
return JqplotDataGenerator::factory('pie', $properties);
}
