Nova Geolocation Field

This package for Laravel Nova provides an input control for selecting geo-coordinates on a map. In addition, it's possible to geocode addresses.

The field will not write values on the model. Instead, it will sync with fields for latitude and longitude you need to provide.

Requirements

• php: ^8.0
• laravel/nova: ^4.0

Installation / Getting started

Install the package via Composer:

composer require gabelbart/nova-geolocation-field

Publish static assets:

php  artisan vendor:publish --tag=laravel-assets --ansi

Set up your Resource class:

1. Add the \Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation field
2. Add fields for latitude and longitude

<?php

namespace App\Nova;

use Laravel\Nova\Fields\Hidden;
use Laravel\Nova\Fields\ID;
use Laravel\Nova\Http\Requests\NovaRequest;

use Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation;

class User extends Resource
{
    public static $model = \App\Models\User::class;
    public static $title = 'name';
    public static $search = ['id'];

    public function fields(NovaRequest $request): array
    {
        return [
            ID::make()->sortable(),

            Hidden::make('latitude'),
            Hidden::make('longitude'),
            Geolocation::make('Map position'),
        ];
    }

    // snip...
}

Note: you can also use Number fields where the user can see/enter the selected latitude/longitude. The sync works in both directions.

Usage

Options

defaultLatitude(float $latitude)

Set the default latitude for the map center.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->defaultLatitude(52.520008); // Berlin

defaultLatitude(float $latitude)

Set the default latitude for the map center.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->defaultLongitude(13.404954); // Berlin

defaultZoom(int $zoom)

Set the default zoom for the map.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->defaultZoom(10);

latitudeField(string $fieldName)

Attribute-name of the latitude field.

\Laravel\Nova\Fields\Number::make('Latitude', 'my_latitude');
\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->latitudeField('my_latitude');

longitudeField(string $fieldName)

Attribute-name of the latitude field.

\Laravel\Nova\Fields\Number::make('Longitude', 'my_longitude');
\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->longitudeField('my_longitude');

streetField(string $fieldName)

Attribute-name of the street field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->streetField('street');

streetNumberField(string $fieldName)

Attribute-name of the street-number/house-number field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->streetNumberField('street_number');

postalCodeField(string $fieldName)

Attribute-name of the postal-code field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->postalCodeField('postal_code');

cityField(string $fieldName)

Attribute-name of the city field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->cityField('city');

countryField(string $fieldName)

Attribute-name of the country field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->countryField('country');

regionField(string $fieldName)

Attribute-name of the region/state field.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->regionField('region');

selectionMode(string $fieldName)

Change the selection mode. The position on the map can be selected either by moving the mal (\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::SELECTION_MODE_MOVE) or by double-clicking the map (\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::SELECTION_MODE_DBCLICK).

SELECTION_MODE_MOVE is the default setting.

\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->selectionMode(\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::SELECTION_MODE_DBCLICK);

enableGeocoding(bool $flag = true)

Enable the geocoding feature. For the geocoding feature to work you need to install and set up spatie/geocoder:^3. Also, you need to provide at least the streetField, cityField and countryField option.

\String::make('Street');
\String::make('City');
\String::make('Country');
\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->cityField('street')
  ->cityField('city')
  ->cityField('country')
  ->enableGeocoding();

writeBackGeocodedAddress(bool $flag = true)

This option requires configured address fields and enabled geocoding. When a geocoded address is selected, the values for the address components get written back to the input fields.

\String::make('Street');
\String::make('Street Number');
\String::make('City');
\String::make('Zip');
\String::make('Country');
\String::make('Region');
\Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::make('Map position')
  ->writeBackGeocodedAddress()
  ->cityField('street')
  ->cityField('street_number')
  ->cityField('city')
  ->postalCodeField('zip')
  ->cityField('country')
  ->regionField('region')
  ->enableGeocoding();

Change caching of geocoding results

By default, geocoding requests will be cached for 7 days. Each time the cache is hit again this period is refreshed.

Disable caching

Call the \Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::disableGeocodingCache static method in your service provider to disable the cache. This will result in a higher load on the Google geocoding API thus probably costs will increase.

Change cache duration

To change the TTL of the geocoding cache call the \Gabelbart\Laravel\Nova\Fields\Geolocation\Geolocation::geocodingCacheTtl static method in your service provider. It accepts either a time in minutes or a valid \DateInterval instance.