public function DragPan::optionsForm in Openlayers 7.3

@TODO What is this return? If it is the form, why is form by reference?

Overrides Base::optionsForm

File

src/Plugin/Interaction/DragPan/DragPan.php, line 24

Interaction: DragPan.

Class

DragPan

Class DragPan.

Namespace

Drupal\openlayers\Plugin\Interaction\DragPan

Code

public function optionsForm(array &$form, array &$form_state) {
  $form['options']['decay'] = array(
    '#type' => 'textfield',
    '#title' => t('Decay'),
    '#default_value' => $this
      ->getOption('decay', -0.005),
    '#description' => t('Rate of decay (must be negative).'),
  );
  $form['options']['minVelocity'] = array(
    '#type' => 'textfield',
    '#title' => t('Minimum velocity'),
    '#default_value' => $this
      ->getOption('minVelocity', 0.05),
    '#description' => t('Minimum velocity (pixels/millisecond).'),
  );
  $form['options']['delay'] = array(
    '#type' => 'textfield',
    '#title' => t('Delay'),
    '#default_value' => $this
      ->getOption('delay', 100),
    '#description' => t('Delay to consider to calculate the kinetic.'),
  );
}