rss_georss.module in RSS field formatters 7

Provides a GeoRSS field formatter for geofields and geolocation fields.

File

rss_georss.module

<?php

/**
 * @file
 * Provides a GeoRSS field formatter for geofields and geolocation fields.
 */

/**
 * Implements hook_field_formatter_info().
 */
function rss_georss_field_formatter_info() {
  return array(
    'rss_georss_point' => array(
      'label' => t('GeoRSS point'),
      'field types' => array(
        'geofield',
        'geolocation_latlng',
      ),
    ),
    'rss_georss_box' => array(
      'label' => t('GeoRSS bounding box'),
      'field types' => array(
        'geofield',
      ),
    ),
    'rss_georss_geometry' => array(
      'label' => t('GeoRSS geometry'),
      'field types' => array(
        'geofield',
      ),
    ),
    'rss_georss_featureName' => array(
      'label' => t('GeoRSS featureName'),
      'field types' => array(
        'text',
      ),
    ),
  );
}

/**
 * Implements hook_field_formatter_view().
 */
function rss_georss_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
  $element = array();
  $entity->rss_namespaces['xmlns:georss'] = 'http://www.georss.org/georss';
  switch ($display['type']) {
    case 'rss_georss_point':
      foreach ($items as $item) {
        $entity->rss_elements[] = array(
          'key' => 'georss:point',
          'value' => $item['lat'] . ' ' . (isset($item['lon']) ? $item['lon'] : $item['lng']),
        );
      }
      break;
    case 'rss_georss_box':
      foreach ($items as $item) {
        $entity->rss_elements[] = array(
          'key' => 'georss:box',
          'value' => "{$item['bottom']} {$item['right']} {$item['top']} {$item['left']}",
        );
      }
      break;
    case 'rss_georss_geometry':
      $geometries = array(
        'point' => 'point',
        'linestring' => 'line',
        'polygon' => 'polygon',
      );
      geofield_load_geophp();
      if (class_exists('GeoRSS')) {
        foreach ($items as $item) {
          if (isset($geometries[$item['geo_type']])) {

            // Strip off the XML tags that geoPHP outputs.
            preg_match('/>(.*)</', geoPHP::load($item['wkt'], 'wkt')
              ->out('georss', 'georss'), $matches);
            $entity->rss_elements[] = array(
              'key' => 'georss:' . $geometries[$item['geo_type']],
              'value' => $matches[1],
            );
          }
        }
      }
      break;
    case 'rss_georss_featureName':
      foreach ($items as $item) {
        $entity->rss_elements[] = array(
          'key' => 'georss:featureName',
          'value' => $item['value'],
        );
      }
      break;
  }
  return $element;
}

Functions

Name	Description
rss_georss_field_formatter_info	Implements hook_field_formatter_info().
rss_georss_field_formatter_view	Implements hook_field_formatter_view().