=========================
django-google-maps-widget
|Build Status|
django-google-maps-widget
is a simple library that provides the basic
hooks into Google Maps Platform
_ for use in Django models from Django
version 4.2+. Supports Python 3.9+. Forked from this project
_ originally authored by @madisona
_, with adaptation to the modern Python environment.
This library is useful to allow someone from the admin panels to type a freeform
address, have the address geocoded on change and plotted on the map. If
the location is not 100% correct, the user can drag the marker to the
correct spot and the geo coordinates will update.
Usage
-
Include the django_google_maps_widget
app in your settings.py
-
Add your Google Maps API Key in your settings.py
as
GOOGLE_MAPS_API_KEY
-
Add your Google Maps map ID in your settings.py
as
GOOGLE_MAPS_MAP_ID
(recommended). Map ID is necessary for the map
to function and is injected via field attribute, but you can provide
this attribute however you want.
-
Create a model that has both an address field and geolocation field:
.. code:: python
from django.db import models
from django_google_maps_widget import fields as map_fields
class Rental(models.Model):
address = map_fields.AddressField(max_length=200)
geolocation = map_fields.GeoLocationField(max_length=100)
-
In the admin.py
, include the following as a formfield_override
:
.. code:: python
from django.contrib import admin
from django_google_maps_widget import widgets as map_widgets
from django_google_maps_widget import fields as map_fields
class RentalAdmin(admin.ModelAdmin):
formfield_overrides = {
map_fields.AddressField: {
"widget": map_widgets.GoogleMapsAddressWidget(attrs={
"mapid": settings.GOOGLE_MAPS_MAP_ID
})
},
}
-
To change the map type (hybrid
by default), you can add an html
attribute on the AddressField
widget. The list of allowed values
is: hybrid
, roadmap
, satellite
, terrain
.. code:: python
from django.contrib import admin
from django_google_maps_widget import widgets as map_widgets
from django_google_maps_widget import fields as map_fields
class RentalAdmin(admin.ModelAdmin):
formfield_overrides = {
map_fields.AddressField: {
"widget": map_widgets.GoogleMapsAddressWidget(attrs={"data-map-type": "roadmap"})},
}
-
To change the autocomplete options, you can add an html attribute on
the AddressField
widget. See
https://developers.google.com/maps/documentation/javascript/places-autocomplete#add_autocomplete
for a list of available options
.. code:: python
import json from django.contrib import admin
from django_google_maps_widget import widgets as map_widgets
from django_google_maps_widget import fields as map_fields
class RentalAdmin(admin.ModelAdmin): formfield_overrides = {
map_fields.AddressField: { "widget":
map_widgets.GoogleMapsAddressWidget(attrs={
"data-autocomplete-options": json.dumps({ "types": ["geocode",
"establishment"], "componentRestrictions": {
"country": "us"
}
})
})
},
}
That should be all you need to get started.
It can be useful to make the geolocation field readonly in the admin so a user
doesn't accidentally change it to a nonsensical value. There is
validation on the field, so you can't enter an incorrect value, but you could
enter something that is not even close to the address you intended.
When you're displaying the address back to the user, just request the map
using the geocoordinates that were saved in your model.
.. |Build Status| image:: https://github.com/amv-bamboo/django-google-maps/actions/workflows/django.yml/badge.svg
:target: https://github.com/amv-bamboo/django-google-maps/actions/workflows/django.yml
.. _Google Maps Platform: https://developers.google.com/maps/documentation/javascript/overview
.. _this project: https://github.com/madisona/django-google-maps/
.. _@madisona: https://github.com/madisona/