public function FlotTime::buildOptionsForm in Flot 8

Provide a form to edit options for this plugin.

Overrides StylePluginBase::buildOptionsForm

File

flot_views_time/src/Plugin/views/style/FlotTime.php, line 73

Class

FlotTime

Style plugin to render dates and values as a bar, scatter, or line chart.

Namespace

Drupal\flot_views_time\Plugin\views\style

Code

public function buildOptionsForm(&$form, FormStateInterface $form_state) {
  parent::buildOptionsForm($form, $form_state);
  $handlers = $this->displayHandler
    ->getHandlers('field');
  if (empty($handlers)) {
    $form['error_markup'] = array(
      '#markup' => '<div class="messages messages--error">' . $this
        ->t('You need at least one field before you can configure your table settings') . '</div>',
    );
    return;
  }

  // Create an array of allowed columns from the data we know:
  $field_names = $this->displayHandler
    ->getFieldLabels();
  $number_fields = count($field_names);
  $form['#theme'] = 'views_ui_style_plugin_flot_views_table';
  $columns['x'] = $this
    ->sanitizeColumns($this->options['columns']);
  $columns['y'] = $columns['x'];
  $i = 0;
  for ($i = 0; $i < $number_fields - 1; $i++) {
    $field = array_slice($field_names, $i, 1);
    $field_name = key($field);
    $column = $field_names[$field_name];
    $form['columns']['x'][$i] = array(
      '#title_display' => 'invisible',
      '#type' => 'select',
      '#options' => $field_names,
      '#default_value' => $this->options['columns']['x'][$i],
    );
    $form['columns']['y'][$i] = array(
      '#title_display' => 'invisible',
      '#type' => 'select',
      '#options' => $field_names,
      '#default_value' => $this->options['columns']['y'][$i],
    );
    $form['info'][$i]['points'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Display Points'),
      '#title_display' => 'invisible',
      '#default_value' => $this->options['info'][$i]['points'],
    ];
    $form['info'][$i]['lines'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Display Lines'),
      '#title_display' => 'invisible',
      '#default_value' => $this->options['info'][$i]['lines'],
    ];
    $form['info'][$i]['second_axis'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Second Axis'),
      '#title_display' => 'invisible',
      '#default_value' => isset($this->options['info'][$i]['second_axis']) ? $this->options['info'][$i]['second_axis'] : FALSE,
    ];
  }
}