public function RealTime::content in Flot 8

Function content.

File

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

Class

RealTime

Display a graph demonstrating real-time updating.

Namespace

Drupal\flot_examples\Controller

Code

public function content() {
  $options = [
    'series' => [
      'shadowSize' => 0,
    ],
    'yaxis' => [
      'min' => 0,
      'max' => 100,
      'show' => TRUE,
    ],
    'xaxis' => [
      'show' => FALSE,
    ],
  ];
  $text = [];
  $text[] = $this
    ->t('You can update a chart periodically to get a real-time effect by using a timer to insert the new data in the plot and redraw it.');
  $text[] = [
    [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Time between updates:'),
      '#attributes' => [
        'class' => [
          'inline_parent_div',
        ],
        'id' => [
          'updateInterval',
        ],
      ],
      '#value' => 30,
      '#size' => 10,
    ],
    $this
      ->t('milliseconds'),
  ];
  $output['flot'] = [
    '#type' => 'flot',
    '#options' => $options,
    '#theme' => 'flot_examples',
    '#text' => $text,
    '#attached' => [
      'library' => [
        'flot_examples/realtime',
      ],
    ],
  ];
  return $output;
}