Playing with the admin system

The built-in admin application is enabled by default in new Django projects. Before we can use it, however, we need to register the various database models we want it to support. To do this, edit the admin.py module within the shapeEditor/shared directory, and enter the following into this file:

from django.contrib.gis import admin
from shapeEditor.shared.models import *

admin.site.register(Shapefile, admin.ModelAdmin)
admin.site.register(Feature, admin.GeoModelAdmin)
admin.site.register(Attribute, admin.ModelAdmin)
admin.site.register(AttributeValue, admin.ModelAdmin)

The ModelAdmin class tells Django how to display the model within the admin interface. Notice that we use the GeoModelAdmin class for the Feature class. Because the Feature object includes geometry fields, using the GeoModelAdmin class allows the admin interface to edit these geometry fields using a slippy map. We'll see how this works shortly.

Now that the admin module has been configured, let...