first import
This commit is contained in:
Bachir Soussi Chiadmi
177
sites/all/modules/geocoder/plugins/geocoder_handler/google.inc
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177
sites/all/modules/geocoder/plugins/geocoder_handler/google.inc
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<?php
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// $Id$
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/**
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* @file
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* Plugin to provide a google geocoder.
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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$plugin = array(
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'title' => t("Google Geocoder"),
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'description' => t('Geocodes via google geocoder'),
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'callback' => 'geocoder_google',
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'field_types' => array('text', 'text_long', 'addressfield', 'location', 'text_with_summary', 'computed', 'taxonomy_term_reference'),
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'field_callback' => 'geocoder_google_field',
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'settings_callback' => 'geocoder_google_form',
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'terms_of_service' => 'http://code.google.com/apis/maps/documentation/geocoding/#Limits',
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);
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/**
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* Process Markup
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*/
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function geocoder_google($address, $options = array()) {
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try {
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geophp_load();
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$query = array(
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'address' => $address,
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'sensor' => 'false',
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);
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$url = url("http://maps.googleapis.com/maps/api/geocode/json", array('query' => $query));
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$result = drupal_http_request($url);
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if (isset($result->error)) {
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$args = array(
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'@code' => $result->code,
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'@error' => $result->error,
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);
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$msg = t('HTTP request to google API failed.\nCode: @code\nError: @error', $args);
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throw new Exception($msg);
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}
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$data = json_decode($result->data);
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if ($data->status != 'OK') {
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$args = array('@status' => $data->status);
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$msg = t('Google API returned bad status.\nStatus: @status', $args);
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throw new Exception($msg);
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}
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$geometries = array();
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foreach ($data->results as $item) {
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// Check if we should reject these results
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if (isset($options['reject_results'])) {
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if (in_array($item->geometry->location_type, $options['reject_results'], TRUE)) {
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continue;
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}
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}
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// Construct a geoPHP Geometry depending on what type of geometry we want returned (defaults to point)
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if (!isset($options['geometry_type']) || $options['geometry_type'] == 'point') {
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$geom = new Point($item->geometry->location->lng, $item->geometry->location->lat);
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}
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elseif ($options['geometry_type'] == 'bounds') {
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$points = array(
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new Point($item->geometry->bounds->southwest->lng, $item->geometry->bounds->southwest->lat),
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new Point($item->geometry->bounds->southwest->lng, $item->geometry->bounds->northeast->lat),
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new Point($item->geometry->bounds->northeast->lng, $item->geometry->bounds->northeast->lat),
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new Point($item->geometry->bounds->northeast->lng, $item->geometry->bounds->southwest->lat),
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new Point($item->geometry->bounds->southwest->lng, $item->geometry->bounds->southwest->lat),
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);
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$geom = new Polygon(array(new LineString($points)));
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}
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elseif ($options['geometry_type'] == 'viewport') {
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$points = array(
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new Point($item->geometry->viewport->southwest->lng, $item->geometry->viewport->southwest->lat),
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new Point($item->geometry->viewport->southwest->lng, $item->geometry->viewport->northeast->lat),
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new Point($item->geometry->viewport->northeast->lng, $item->geometry->viewport->northeast->lat),
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new Point($item->geometry->viewport->northeast->lng, $item->geometry->viewport->southwest->lat),
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new Point($item->geometry->viewport->southwest->lng, $item->geometry->viewport->southwest->lat),
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);
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$geom = new Polygon(array(new LineString($points)));
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}
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// Add additional metadata to the geometry - it might be useful!
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$geom->data = array();
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$geom->data['geocoder_accuracy'] = $item->geometry->location_type;
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$geom->data['geocoder_formatted_address'] = $item->formatted_address;
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$geom->data['geocoder_address_components'] = $item->address_components;
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$geometries[] = $geom;
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}
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if (empty($geometries)) {
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return;
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}
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// Check if we should return all results as a compound geometry
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if (isset($options['all_results'])) {
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if ($options['all_results']) {
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return geoPHP::geometryReduce($geometries);
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}
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}
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// The connonical geometry is the first result (best guesse)
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$geometry = array_shift($geometries);
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// If there are any other geometries, these are auxiliary geometries that represent "alternatives"
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if (count($geometries)) {
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$geometry->data['geocoder_alternatives'] = $geometries;
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}
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return $geometry;
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} catch (Exception $e) {
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watchdog_exception('geocoder', $e);
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return FALSE;
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}
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}
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function geocoder_google_field($field, $field_item, $options = array()) {
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if ($field['type'] == 'text' || $field['type'] == 'text_long' || $field['type'] == 'text_with_summary' || $field['type'] == 'computed') {
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return geocoder_google($field_item['value'], $options);
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}
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if ($field['type'] == 'addressfield') {
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$address = geocoder_widget_parse_addressfield($field_item);
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return geocoder_google($address, $options);
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}
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if ($field['type'] == 'location') {
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$address = geocoder_widget_parse_locationfield($field_item);
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return geocoder_google($address, $options);
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}
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if ($field['type'] == 'taxonomy_term_reference') {
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$term = taxonomy_term_load($field_item['tid']);
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return geocoder_google($term->name);
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}
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}
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function geocoder_google_form($default_values = array()) {
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$form = array();
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$form['geometry_type'] = array(
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'#type' => 'select',
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'#title' => 'Geometry Type',
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'#options' => array(
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'point' => 'Point (default)',
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'bounds' => 'Bounding Box',
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'viewport' => 'Viewport',
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),
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'#default_value' => isset($default_values['geometry_type']) ? $default_values['geometry_type'] : 'point',
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);
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$form['all_results'] = array(
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'#type' => 'checkbox',
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'#title' => 'Geocode all alternative results',
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'#default_value' => isset($default_values['all_results']) ? $default_values['all_results'] : FALSE,
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'#description' => 'Often an ambiguous address (such as "Springfield USA") can result in multiple hits. By default we only return the first (best guess) result. Check this to return all results as a Multi-Geometry (MultiPoint or MultiPolygon).',
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);
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$form['reject_results'] = array(
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'#type' => 'checkboxes',
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'#title' => 'Reject Results',
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'#options' => array(
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'APPROXIMATE' => 'APPROXIMATE: indicates that the returned result is approximate.',
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'GEOMETRIC_CENTER' => 'GEOMETRIC_CENTER: indicates that the returned result is the geometric center of a result such as a polyline (for example, a street) or polygon (region).',
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'RANGE_INTERPOLATED' => 'RANGE_INTERPOLATED: indicates that the returned result reflects an approximation (usually on a road) interpolated between two precise points (such as intersections). Interpolated results are generally returned when rooftop geocodes are unavailable for a street address.',
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'ROOFTOP' => 'ROOFTOP: indicates that the returned result is a precise geocode for which we have location information accurate down to street address precision.',
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),
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'#default_value' => isset($default_values['reject_results']) ? $default_values['reject_results'] : array(),
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'#description' => 'Reject results that do not meet a certain level of quality or precision. Check all types of results to reject.',
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);
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return $form;
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}
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