SeriesTypes.php in Flot 8

Namespace

Drupal\flot_examples\Controller

File

flot_examples/src/Controller/SeriesTypes.php

<?php

namespace Drupal\flot_examples\Controller;

use Drupal\Core\Controller\ControllerBase;

/**
 * Display a chart demonstrating the different types of series.
 */
class SeriesTypes extends ControllerBase {

  /**
   * Function content.
   */
  public function content() {

    // Line Chart with custom Formatting.
    $sin_data = array();
    for ($i = 0; $i < 14; $i += 0.5) {
      $sin_data[] = array(
        $i,
        sin($i),
      );
    }
    $series[] = array(
      'data' => $sin_data,
    );
    $series[] = array(
      'data' => array(
        array(
          0,
          3,
        ),
        array(
          4,
          8,
        ),
        array(
          8,
          5,
        ),
        array(
          9,
          13,
        ),
      ),
    );
    $series[] = array(
      'data' => array(
        array(
          0,
          12,
        ),
        array(
          7,
          12,
        ),
        NULL,
        array(
          7,
          2.5,
        ),
        array(
          12,
          2.5,
        ),
      ),
    );

    // First add new formatting to existing data.
    $series[0]['lines'] = array(
      'show' => TRUE,
      'fill' => TRUE,
    );
    $series[1]['bars'] = array(
      'show' => TRUE,
    );
    $cos_data = array();
    for ($i = 0; $i < 14; $i += 0.5) {
      $cos_data[] = array(
        $i,
        cos($i),
      );
    }
    $series[2]['data'] = $cos_data;
    $series[2]['points'] = array(
      'show' => TRUE,
    );
    $sqrt_data = array();
    for ($i = 0; $i < 14; $i += 0.1) {
      $sqrt_data[] = array(
        $i,
        sqrt($i * 10),
      );
    }
    $series[] = array(
      'data' => $sqrt_data,
      'lines' => array(
        'show' => TRUE,
      ),
    );
    $sqrt2_data = array();
    for ($i = 0; $i < 14; $i += 0.5) {
      $sqrt2_data[] = array(
        $i,
        sqrt($i),
      );
    }
    $series[] = array(
      'data' => $sqrt2_data,
      'lines' => array(
        'show' => TRUE,
      ),
      'points' => array(
        'show' => TRUE,
      ),
    );
    $text = $this
      ->t('Flot supports lines, points, filled areas, bars and any combinations of these, in the same plot and even on the same data series.');
    $output['flot'] = [
      '#type' => 'flot',
      '#data' => $series,
      '#theme' => 'flot_examples',
      '#text' => [
        $text,
      ],
    ];
    return $output;
  }

}

Classes

Name	Description
SeriesTypes	Display a chart demonstrating the different types of series.