function views_geojson_default_openlayers_sources in Views GeoJSON 7

Implements hook_default_openlayers_sources().

File

includes/views_geojson.default_openlayers_sources.inc, line 11

Openlayers integration.

Code

function views_geojson_default_openlayers_sources() {
  $sources = array();
  foreach (views_get_all_views() as $view) {
    foreach ($view->display as $display => $data) {
      $view
        ->set_display($display);
      if (in_array($view->display_handler
        ->get_option('style_plugin'), array(
        'views_geojson_feed',
        'views_geojson',
      ), TRUE)) {
        $ol_source = new stdClass();
        $ol_source->api_version = 1;
        $ol_source->machine_name = 'views_geojson_' . $view->name . '_' . $display;
        $ol_source->name = 'Views GeoJSON source: ' . $view->name . '_' . $display;
        $ol_source->description = 'This source is automatically generated. See View ' . $view->name . ' at display ' . $display;
        $ol_source->factory_service = 'openlayers.Source:GeoJSON';
        $ol_source->options = array(
          'url' => $view->display_handler
            ->get_url(),
        );

        // Determine if we should use a BBox strategy.
        if ($arguments = $view->display_handler
          ->get_option('arguments')) {
          foreach ($arguments as $id => $argument) {
            if (mb_strpos($id, 'bbox') !== FALSE && $argument['default_argument_type'] === 'querystring') {
              if (isset($argument['default_argument_options'])) {
                $ol_source->options['useBBOX'] = TRUE;
              }
            }
          }
        }
        $sources[$ol_source->machine_name] = $ol_source;
      }
    }
  }
  return $sources;
}