GeoModelAdminMixin

This class provides a mixin for model admin classes to integrate geographic widgets into the administrative interface. It automatically assigns a specialized GIS widget to geometry fields, provided the field dimensions are compatible with the widget's capabilities. Users can customize the widget type and its initialization arguments through class attributes.

Attributes

Attribute	Type	Description
gis_widget	class = OSMWidget	The widget class used to render geometry fields in the admin interface, defaulting to OSMWidget.
gis_widget_kwargs	dict = {}	A dictionary of keyword arguments passed to the gis_widget constructor during initialization.

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Methods

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formfield_for_dbfield()

@classmethod
def formfield_for_dbfield(
    db_field: django.db.models.Field,
    request: django.http.HttpRequest,
    **kwargs: dict
) - > django.forms.Field

Overrides the default form field generation to inject a geographic widget for geometry fields that meet dimensionality requirements.

Parameters

Name	Type	Description
db_field	django.db.models.Field	The database field object being converted into a form field.
request	django.http.HttpRequest	The current HTTP request object, used for context-aware field generation.
**kwargs	dict	Additional keyword arguments passed to the form field constructor, such as labels or help text.

Returns

Type	Description
django.forms.Field	A form field instance configured with a geographic widget if the field is a compatible GeometryField, otherwise the default field from the parent class.

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