public function ChartsApiExample::display in Charts 8.3

Same name and namespace in other branches

1. 8.4 modules/charts_api_example/src/Controller/ChartsApiExample.php \Drupal\charts_api_example\Controller\ChartsApiExample::display()
2. 5.0.x modules/charts_api_example/src/Controller/ChartsApiExample.php \Drupal\charts_api_example\Controller\ChartsApiExample::display()

Display.

Return value

array Array to render.

1 string reference to 'ChartsApiExample::display'

charts_api_example.routing.yml in modules/charts_api_example/charts_api_example.routing.yml

modules/charts_api_example/charts_api_example.routing.yml

File

modules/charts_api_example/src/Controller/ChartsApiExample.php, line 56

Class

ChartsApiExample

Charts Api Example.

Namespace

Drupal\charts_api_example\Controller

Code

public function display() {
  $library = $this->chartSettings['library'];
  if (empty($library)) {
    $this->messenger
      ->addError($this
      ->t('You need to first configure Charts default settings'));
    return [];
  }

  // Customize options here.
  $options = [
    'type' => $this->chartSettings['type'],
    'title' => $this
      ->t('Chart title'),
    'xaxis_title' => $this
      ->t('X-Axis'),
    'yaxis_title' => $this
      ->t('Y-Axis'),
    'yaxis_min' => '',
    'yaxis_max' => '',
    'three_dimensional' => FALSE,
    'title_position' => 'out',
    'legend_position' => 'right',
    'data_labels' => $this->chartSettings['data_labels'],
    'tooltips' => $this->chartSettings['tooltips'],
    // 'grouping'   => TRUE,
    'colors' => $this->chartSettings['colors'],
    'min' => $this->chartSettings['min'],
    'max' => $this->chartSettings['max'],
    'yaxis_prefix' => $this->chartSettings['yaxis_prefix'],
    'yaxis_suffix' => $this->chartSettings['yaxis_suffix'],
    'data_markers' => $this->chartSettings['data_markers'],
    'red_from' => $this->chartSettings['red_from'],
    'red_to' => $this->chartSettings['red_to'],
    'yellow_from' => $this->chartSettings['yellow_from'],
    'yellow_to' => $this->chartSettings['yellow_to'],
    'green_from' => $this->chartSettings['green_from'],
    'green_to' => $this->chartSettings['green_to'],
  ];

  // Sample data format.
  $categories = [
    'Category 1',
    'Category 2',
    'Category 3',
    'Category 4',
  ];
  $seriesData[] = [
    'name' => 'Series 1',
    'color' => '#0d233a',
    'type' => $this->chartSettings['type'],
    'data' => [
      250,
      350,
      400,
      200,
    ],
  ];
  switch ($this->chartSettings['type']) {
    default:
      $seriesData[] = [
        'name' => 'Series 2',
        'color' => '#8bbc21',
        'type' => 'column',
        'data' => [
          150,
          450,
          500,
          300,
        ],
      ];
      $seriesData[] = [
        'name' => 'Series 3',
        'color' => '#910000',
        'type' => 'area',
        'data' => [
          0,
          0,
          60,
          90,
        ],
      ];
    case 'pie':
    case 'donut':
  }

  // Creates a UUID for the chart ID.
  $chartId = 'chart-' . $this->uuidService
    ->generate();
  $build = [
    '#theme' => 'charts_api_example',
    '#library' => (string) $library,
    '#categories' => $categories,
    '#seriesData' => $seriesData,
    '#options' => $options,
    '#id' => $chartId,
    '#override' => [],
  ];
  return $build;
}