ChartsApiExample.php in Charts 8.3

Namespace

Drupal\charts_api_example\Controller

File

modules/charts_api_example/src/Controller/ChartsApiExample.php

<?php

namespace Drupal\charts_api_example\Controller;

use Drupal\charts\Services\ChartsSettingsServiceInterface;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Messenger\MessengerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Component\Uuid\UuidInterface;

/**
 * Charts Api Example.
 */
class ChartsApiExample extends ControllerBase {

  /**
   * The charts settings.
   *
   * @var \Drupal\charts\Services\ChartsSettingsServiceInterface
   */
  protected $chartSettings;

  /**
   * The messenger service.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;

  /**
   * The UUID service.
   *
   * @var \Drupal\Component\Uuid\UuidInterface
   */
  protected $uuidService;

  /**
   * Construct.
   *
   * @param \Drupal\charts\Services\ChartsSettingsServiceInterface $chartSettings
   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
   * @param \Drupal\Component\Uuid\UuidInterface $uuidService
   */
  public function __construct(ChartsSettingsServiceInterface $chartSettings, MessengerInterface $messenger, UuidInterface $uuidService) {
    $this->chartSettings = $chartSettings
      ->getChartsSettings();
    $this->messenger = $messenger;
    $this->uuidService = $uuidService;
  }

  /**
   * Display.
   *
   * @return array
   *   Array to render.
   */
  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;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('charts.settings'), $container
      ->get('messenger'), $container
      ->get('uuid'));
  }

}

Classes

Name	Description
ChartsApiExample	Charts Api Example.