public function Heatmap::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/Layer/Heatmap/Heatmap.php, line 23

Layer: Heatmap.

Class

Heatmap

Class Heatmap.

Namespace

Drupal\openlayers\Plugin\Layer\Heatmap

Code

public function optionsForm(array &$form, array &$form_state) {
  $form['options']['opacity'] = array(
    '#type' => 'textfield',
    '#description' => 'Opacity (0, 1). Default is 1.',
    '#default_value' => $this
      ->getOption('opacity', 1),
  );
  $form['options']['preload'] = array(
    '#type' => 'textfield',
    '#description' => 'Preload. Load low-resolution tiles up to preload levels. By default preload is 0, which means no preloading.',
    '#default_value' => $this
      ->getOption('preload', 1),
  );
  $form['options']['radius'] = array(
    '#type' => 'textfield',
    '#description' => 'Radius size in pixels. Default is 8.',
    '#default_value' => $this
      ->getOption('radius', 8),
  );
  $form['options']['blur'] = array(
    '#type' => 'textfield',
    '#description' => 'Blur size in pixels. Default is 15.',
    '#default_value' => $this
      ->getOption('blur', 15),
  );
  $form['options']['shadow'] = array(
    '#type' => 'textfield',
    '#description' => 'Shadow size in pixels. Default is 250.',
    '#default_value' => $this
      ->getOption('shadow', 250),
  );
}