mamweb/soustredeni/admin.py

from django.contrib import admin
from django.forms import widgets
from django.db import models

from seminar.models import soustredeni as m


class SoustredeniUcastniciInline(admin.TabularInline):
    model = m.Soustredeni_Ucastnici
    extra = 1
    fields = ['resitel','poznamka']
    autocomplete_fields = ['resitel']
    ordering = ['resitel__osoba__jmeno', 'resitel__osoba__prijmeni']
    formfield_overrides = {
        models.TextField: {'widget': widgets.TextInput}
    }

    def get_queryset(self,request):
        qs = super().get_queryset(request)
        return qs.select_related('resitel','soustredeni')


class SoustredeniOrganizatoriInline(admin.TabularInline):
    model = m.Soustredeni.organizatori.through
    extra = 1
    fields = ['organizator','poznamka']
    autocomplete_fields = ['organizator']
    ordering = ['organizator__osoba__jmeno','organizator__prijmeni']
    formfield_overrides = {
        models.TextField: {'widget': widgets.TextInput}
    }

    def get_queryset(self,request):
        qs = super().get_queryset(request)
        return qs.select_related('organizator', 'soustredeni')


@admin.register(m.Soustredeni)
class SoustredeniAdmin(admin.ModelAdmin):
    model = m.Soustredeni
    inline_type = 'tabular'
    inlines = [SoustredeniUcastniciInline, SoustredeniOrganizatoriInline]