openlayers-8.x-4.x-dev/src/Plugin/Layer/Heatmap/Heatmap.php

<?php

namespace Drupal\openlayers\Plugin\Layer\Heatmap;

use Drupal\Core\Form\FormStateInterface;
use Drupal\openlayers\Types\Layer;

/**
 * FIX - Insert short comment here.
 *
 * @OpenlayersPlugin(
 *   id = "ol_layer_heatmap",
 *   label = @Translation("Heatmap"),
 *   description = @Translation("A heatmap layer."),
 *   service = "openlayers.Layer:Heatmap",
 *   library = "openlayers-plugin-layer-heatmap",
 *   is_configurable = "true",
 *   type = "layer"
 * )
 */
class Heatmap extends Layer {

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  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),
    );
  }

}