leaflet_geojson_bean.module in Leaflet GeoJSON 7

Create Leaflet Map Beans based on Views GeoJSON page displays.

File

modules/leaflet_geojson_bean/leaflet_geojson_bean.module

<?php

/**
 * @file
 * Create Leaflet Map Beans based on Views GeoJSON page displays.
 */

/**
 * Implements hook_bean_types_api_info().
 */
function leaflet_geojson_bean_bean_types_api_info() {
  return array(
    'api' => 4,
  );
}

/**
 * Implements hook_bean_types().
 */
function leaflet_geojson_bean_bean_types() {
  $plugins = array();
  $plugin_path = drupal_get_path('module', 'leaflet_geojson_bean') . '/plugins/bean';
  $plugins['leaflet_geojson_bean'] = array(
    'label' => t('Leaflet GeoJSON'),
    'description' => t('Leaflet Map based on Views GeoJSON page.'),
    'handler' => array(
      'class' => 'LeafletGeoJSONBean',
      'parent' => 'bean',
    ),
    'path' => $plugin_path,
    'file' => 'leaflet_geojson_bean.inc',
  );
  return $plugins;
}

/**
 * Implements hook_leaflet_geojson_bean_view_features_alter().
 */
function leaflet_geojson_bean_leaflet_geojson_bean_view_features_alter(array &$features, array &$context) {
  $source_info = $context['source_info'];
  $bean = $context['bean'];
  $map =& $context['map'];

  // Allow to override map center via bean settings.
  if (!empty($bean->settings['override_map_settings'])) {
    if (!empty($bean->settings['map_settings']['zoom'])) {
      $map['settings']['zoom'] = $bean->settings['map_settings']['zoom'];
    }
    if (!empty($bean->settings['map_settings']['center']['lon']) && !empty($bean->settings['map_settings']['center']['lat'])) {
      $map['center'] = array(
        'lon' => $bean->settings['map_settings']['center']['lon'],
        'lat' => $bean->settings['map_settings']['center']['lat'],
      );
    }
  }

  // Add bbox js.
  if (isset($source_info['bbox'])) {
    leaflet_geojson_add_bbox_strategy($source_info);

    // Make sure center isn't empty when using bbox strategy.
    if (empty($map['center'])) {
      $map['center'] = array(
        'lon' => 0,
        'lat' => 0,
      );
    }
  }
  else {
    $json = _leaflet_geojson_bean_fetch_json($source_info);
    $features[] = array(
      'type' => 'json',
      'json' => $json,
    );
  }
}
function _leaflet_geojson_bean_fetch_json($source_info) {

  // @todo: doesn't work because views_geojson directly outputs and terminates the request.

  /*
  if ($source['type'] == 'views_geojson') {
    $view = views_get_view($source['view']);
    $output = $view->execute_display($source['view_display']);
  }
  */
  $result = drupal_http_request($source_info['url']);
  if (in_array($result->code, array(
    200,
    304,
  ))) {
    $json_string = isset($result->data) ? $result->data : '';
    return drupal_json_decode($json_string);
  }
  else {

    // Error $result->code
  }
}

Functions

Name	Description
leaflet_geojson_bean_bean_types	Implements hook_bean_types().
leaflet_geojson_bean_bean_types_api_info	Implements hook_bean_types_api_info().
leaflet_geojson_bean_leaflet_geojson_bean_view_features_alter	Implements hook_leaflet_geojson_bean_view_features_alter().
_leaflet_geojson_bean_fetch_json