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<?php
namespace Mautic\CoreBundle\Helper\Chart;
class BarChart extends AbstractChart implements ChartInterface
{
/**
* Defines the basic chart values, generates the time axe labels from it.
*/
public function __construct(array $labels)
{
$this->labels = $labels;
}
/**
* @return array{labels: mixed[], datasets: mixed[]}
*/
public function render(): array
{
ksort($this->datasets);
return [
'labels' => $this->labels,
'datasets' => $this->datasets,
];
}
/**
* Define a dataset by name and data. Method will add the rest.
*
* @param string $label
* @param int $order
*
* @return $this
*/
public function setDataset($label, array $data, $order = null)
{
$datasetId = count($this->datasets);
$baseData = [
'label' => $label,
'data' => $data,
];
if (null === $order) {
$order = count($this->datasets);
}
$this->datasets[$order] = array_merge($baseData, $this->generateColors($datasetId));
return $this;
}
/**
* Generate unique color for the dataset.
*
* @param int $datasetId
*/
public function generateColors($datasetId): array
{
$color = $this->configureColorHelper($datasetId);
return [
'fill' => true,
'backgroundColor' => $color->toRgba(0.7),
'borderColor' => $color->toRgba(0.8),
'pointHoverBackgroundColor' => $color->toRgba(0.9),
'pointHoverBorderColor' => $color->toRgba(1),
];
}
}
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