/**
* Add a data serie to the chart.
*
* @param $data (GoogleChartData)
* @see GoogleChartData
*/
public function addData(GoogleChartData $data)
{
if ($data->hasIndex()) {
throw new LogicException('Invalid data serie. This data serie has already been added.');
}
$index = array_push($this->data, $data);
$data->setIndex($index - 1);
return $this;
}
/**
* Add a data serie to the chart.
*
* @param $data (GoogleChartData|array) If $data is an array, a default
* instance of GoogleChartData will be create. That is a useful shortchut,
* but doesn't allow for customization.
*
* @see GoogleChartData
*/
public function addData($data)
{
if (is_array($data)) {
$data = new GoogleChartData($data);
} elseif (!$data instanceof GoogleChartData) {
throw new InvalidArgumentException('Invalid data (must be an instance of GoogleChartData or an array).');
}
if ($data->hasIndex()) {
throw new LogicException('Invalid data series. This data series has already been added.');
}
$index = array_push($this->data, $data);
$data->setIndex($index - 1);
return $this;
}
