public function BasicOptions::content in Flot 8

Function basicOptions.

1 string reference to 'BasicOptions::content'

flot_examples.routing.yml in flot_examples/flot_examples.routing.yml

flot_examples/flot_examples.routing.yml

File

flot_examples/src/Controller/BasicOptions.php, line 15

Class

BasicOptions

Display a graph demonstrating basic chart options.

Namespace

Drupal\flot_examples\Controller

Code

public function content() {
  $d1 = array();
  $d2 = array();
  for ($i = 0; $i < pi() * 2; $i += 0.25) {
    $d1[] = array(
      $i,
      sin($i),
    );
    $d2[] = array(
      $i,
      cos($i),
    );
  }
  $d3 = array();
  for ($i = 0; $i < pi() * 2; $i += 0.1) {
    $d3[] = array(
      $i,
      tan($i),
    );
  }
  $series[] = array(
    'label' => 'sin(x)',
    'data' => $d1,
  );
  $series[] = array(
    'label' => 'cos(x)',
    'data' => $d2,
  );
  $series[] = array(
    'label' => 'tan(x)',
    'data' => $d3,
  );
  $options = [
    'series' => [
      'lines' => [
        'show' => TRUE,
      ],
      'points' => [
        'show' => TRUE,
      ],
    ],
    'xaxis' => [
      'ticks' => [
        0,
        [
          pi() / 2,
          "π/2",
        ],
        [
          pi(),
          "π",
        ],
        [
          pi() * 3 / 2,
          "3π/2",
        ],
        [
          pi() * 2,
          "2π",
        ],
      ],
    ],
    'yaxis' => [
      'ticks' => 10,
      'min' => -2,
      'max' => 2,
      'tickDecimals' => 3,
    ],
    'grid' => [
      'backgroundColor' => [
        'colors' => [
          "#fff",
          "#eee",
        ],
      ],
      'borderWidth' => [
        'top' => 1,
        'right' => 1,
        'bottom' => 2,
        'left' => 2,
      ],
    ],
  ];
  $text = [];
  $text[] = [
    'value' => $this
      ->t('There are plenty of options you can set to control the precise looks of your plot. You can control the ticks on the axes, the legend, the graph type, etc.'),
  ];
  $text[] = [
    'value' => $this
      ->t("Flot goes to great lengths to provide sensible defaults so that you don't have to customize much for a good-looking result."),
  ];
  $output['flot'] = [
    '#type' => 'flot',
    '#data' => $series,
    '#options' => $options,
    '#theme' => 'flot_examples',
    '#text' => $text,
  ];
  return $output;
}