function _openlayers_layers_process in Openlayers 7.2

Same name and namespace in other branches

1. 6.2 includes/openlayers.render.inc \_openlayers_layers_process()
2. 6 includes/openlayers.render.inc \_openlayers_layers_process()

Initialize the layer array into an indexed array of layer objects

Parameters

$layers: Array of layers to process

$map: Map array

Return value

$layer_data Array of initialized layer objects

1 call to _openlayers_layers_process()

openlayers_build_map in ./openlayers.module

Prepare a map for rendering.

File

includes/openlayers.render.inc, line 19

Processing functions for layers and behaviors

Code

function _openlayers_layers_process($layers = array(), &$map = array()) {
  $layer_data = array();

  // Load Layers and assign weights
  foreach ($layers as $key => $layer) {
    if ($layer_object = openlayers_layer_load($layer)) {
      $layers[$key] = $layer_object;
      if (!empty($map['layer_weight'][$key])) {
        $layers[$key]->weight = $map['layer_weight'][$key];
      }
      else {
        $layers[$key]->weight = 0;
      }
    }
    else {
      unset($layers[$key]);
    }
  }

  // Sort layers
  usort($layers, '_openlayers_layers_process_sort');

  // Process into array-based layer data for the map
  foreach ($layers as $type => $layer_object) {
    if (is_object($layer_object)) {
      $layer_object
        ->render($map);
      $layer_object->data['title'] = $layer_object->title;
      $layer_object->data['weight'] = $layer_object->weight;
      $layer_data[$layer_object->name] = $layer_object->data;
    }
  }
  return $layer_data;
}