🚀 first commit

src/VERSION

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+0.0.1-dev

src/bar/admin.py

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+from django.contrib import admin
+
+from bar import models
+
+@admin.register(models.Bar)
+class BarAdmin(admin.ModelAdmin):
+    list_display = ('name',)
+
+
+@admin.register(models.Item)
+class ItemAdmin(admin.ModelAdmin):
+    list_display = ('name', 'price', 'quantity')
+
+
+@admin.register(models.BarRecord)
+class BarRecordAdmin(admin.ModelAdmin):
+    list_display = ('bar', 'item', 'quantity')

src/bar/apps.py

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+from django.apps import AppConfig
+
+
+class BarConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'bar'

src/bar/migrations/0001_initial.py

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+# Generated by Django 5.1.6 on 2025-03-05 18:55
+
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Bar',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('name', models.CharField(max_length=100, unique=True, verbose_name='Name')),
+            ],
+            options={
+                'verbose_name': 'Bar',
+                'verbose_name_plural': 'Bars',
+            },
+        ),
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('identifier', models.CharField(blank=True, max_length=100, null=True, unique=True, verbose_name='Identifier')),
+                ('name', models.CharField(max_length=100, verbose_name='Name')),
+                ('price', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Price')),
+                ('quantity', models.PositiveIntegerField(default=0, verbose_name='Quantity')),
+            ],
+            options={
+                'verbose_name': 'Item',
+                'verbose_name_plural': 'Items',
+            },
+        ),
+        migrations.CreateModel(
+            name='BarRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('quantity', models.PositiveIntegerField(default=0, verbose_name='Quantity')),
+                ('bar', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='records', to='bar.bar', verbose_name='Bar')),
+                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='records', to='bar.item', verbose_name='Item')),
+            ],
+            options={
+                'verbose_name': 'Bar Record',
+                'verbose_name_plural': 'Bar Records',
+            },
+        ),
+    ]

src/bar/models.py

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+import logging
+
+from django.core.exceptions import ValidationError
+from django.db import models
+
+from django.utils.translation import gettext_lazy as _
+from model_utils.models import TimeStampedModel, TimeFramedModel
+
+
+logger = logging.getLogger(__name__)
+
+
+class Bar(TimeStampedModel):
+    name = models.CharField(max_length=100, blank=False, null=False, unique=True, verbose_name=_('Name'))
+
+    class Meta:
+        verbose_name = _('Bar')
+        verbose_name_plural = _('Bars')
+
+    def __str__(self):
+        return self.name
+
+
+class Item(TimeStampedModel):
+    identifier = models.CharField(max_length=100, blank=True, null=True, unique=True, verbose_name=_('Identifier'))
+    name = models.CharField(max_length=100, blank=False, null=False, verbose_name=_('Name'))
+    price = models.DecimalField(max_digits=10, decimal_places=2, blank=False, null=False, verbose_name=_('Price'))
+    quantity = models.PositiveIntegerField(blank=False, null=False, default=0, verbose_name=_('Quantity'))
+
+    class Meta:
+        verbose_name = _('Item')
+        verbose_name_plural = _('Items')
+
+    def __str__(self):
+        return self.name
+
+
+class BarRecord(TimeStampedModel):
+    bar = models.ForeignKey(Bar, on_delete=models.CASCADE, related_name='records', verbose_name=_('Bar'))
+    item = models.ForeignKey(Item, on_delete=models.CASCADE, related_name='records', verbose_name=_('Item'))
+    quantity = models.PositiveIntegerField(blank=False, null=False, default=0, verbose_name=_('Quantity'))
+
+    class Meta:
+        verbose_name = _('Bar Record')
+        verbose_name_plural = _('Bar Records')
+
+    def __str__(self):
+        return f'{self.bar} - {self.item}'

src/bar/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

src/bar/views.py

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+from django.shortcuts import render
+
+# Create your views here.

src/core/admin.py

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+from django.contrib import admin
+
+# Register your models here.

src/core/apps.py

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+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'core'

src/core/mailer.py

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+import smtplib
+import logging
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from email.mime.base import MIMEBase
+from email import encoders
+import io
+from django.template.loader import get_template
+from django.conf import settings
+import re
+
+logger = logging.getLogger(__name__)
+
+class Emailer:
+    """
+    This class is used to send emails
+    """
+    def __init__(self):
+        self.sender = settings.EMAIL_HOST_USER
+        self.password = settings.EMAIL_HOST_PASSWORD
+        self.host = settings.EMAIL_HOST
+        self.port = settings.EMAIL_PORT
+        print(settings.EMAIL_HOST, settings.EMAIL_PORT, settings.EMAIL_HOST_USER, settings.EMAIL_HOST_PASSWORD)
+
+    def send(self, template_name: str, recipient: str, subject: str,
+             context_dict=None) -> None:
+        """
+        Sends the email to all recipients
+        param template_name: The name of the template
+        param recipient : The email address of the recipient
+        param context_dict: The context to render the template with
+        param kwargs: Additional arguments
+            - subject (str): The subject of the email. Replace the template subject if provided.
+        """
+
+        if settings.DEBUG:
+            logger.info('Sending email')
+
+        # Checking context
+        if context_dict is None:
+            context_dict = {}
+
+        # Checking recipient
+        if not re.match(r"[^@]+@[^@]+\.[^@]+", recipient):
+            logger.error('Invalid receiver email')
+            return
+
+        # Getting the template
+        try:
+            template_html = get_template(f'emails/{template_name}.html')
+            template_text = get_template(f'emails/{template_name}.txt')
+        except Exception as e:
+            logger.error(f'Template "{template_name}" does not exist: {e}')
+            return
+
+        with smtplib.SMTP(self.host, self.port) as server:
+            server.ehlo()
+            server.starttls()
+            server.ehlo()
+            server.login(self.sender, self.password)
+
+            # Creating the messages
+            message = MIMEMultipart("alternative")
+            message["Subject"] = subject
+            message["From"] = settings.EMAIL_HOST_USER
+            message["To"] = recipient
+
+            # Add HTML/plain-text parts to MIMEMultipart message
+            # The email client will try to render the last part first
+            message.attach(MIMEText(template_text.render(context_dict), "plain"))
+            message.attach(MIMEText(template_html.render(context_dict), "html"))
+
+            server.sendmail(
+                self.sender, recipient, message.as_string()
+            )
+

src/core/management/commands/fill_empty_db.py

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+from datetime import datetime
+from decimal import Decimal
+
+from django.core.management.base import BaseCommand
+
+from events.models import Event, HTMLSection, Category
+
+def create_first_event():
+    categories = [
+        {
+            'name': 'RODINA',
+            'description': 'Rodinny okruh je pro mix těch, co si chtějí užít pohodový výlet na vybrané trase a těch co zarputile povzbuzují a čekají. Žádná soutěž, nebo registrace, jen radost z pohybu. Na místě si můžete koupit pivko (Fotři), nebo limču (Děti) a i nějaký ten guláš se najde. ',
+        },
+        {
+            'name': 'JUNIOR',
+            'description': 'S rodinou se mu už táhnout nechce, svoji vlastní zatím nemá. A to je vlastne dobře, protože 12 let mu už bylo a do 18 to ještě taky potrvá. Junioři si fláknou okruh //JUNIOR Trasa může být zrádná a proto zvažte doprovod dospělého savce na kole. ',
+        },
+        {
+            'name': 'BUŠIČ',
+            'description': 'Kdo nebuší nejede. Ať z kopce, nebo do kopce, vždy naplno. Odhodlání, ani chuť mu nechybí. Alespoň jeden okruh s věkem nad 18 by měl mít v kapse. // BUŠIČ si vybere, jestli se chce zničit na // FREERIDE okruhu, nebo na // CROSS-COUNTRY. Na vybraném okruhu pak s ostatníma // BUŠIČama soutěží o nejlepší čas. ',
+        },
+        {
+            'name': 'KALSKÉ BOREC',
+            'description': 'Je smetánkou Kalské cyklistiky. Lamač srdcí všech pohlaví s vyrýsovanou postavou, ktéremu žádný kopec není příliš strmý a sjezd dost náročný. Ti, co se pyšní tímhle titulem se poperou se všema okruhama v časovém limitu 6 hodin v následujícím pořadí: // FREERIDE -> // CROSS-COUNTRY -> // JUNIOR. I proto startují v 9:00 a hlásí se na okruh "Kalské Borec". ',
+        }
+    ]
+
+    event_html_section = {
+        'identifier': 'race',
+        'menu': '// ZÁVOD',
+        'html': """
+        <div class="w3-content w3-container w3-padding-64">
+    <h3 class="w3-center">// ZÁVOD</h3>
+    <h5>COŽE?</h5>
+    <p>Cyklistický závod s názvem "Kalské Borec" pro širokou veřejnost s několika okruhama. Je jedno, jestli jste
+        rodinka s malýma dětma, nebo drsný jezdec enduro, který za poslední měsíc nevymyl chuť bahna s úst. Místo na
+        poměření sil, nebo jen na pohodovou jízdu si najde každý. Můžete a nemusíte to brát vážně, důležité je si to
+        užít.</p>
+    <p>Čeká na Vás:</p>
+    <ul>
+        <li>3 okruhy po cca 10 kilometrech</li>
+        <li>Jeden extra dětský / rodinný okruh</li>
+        <li>Různé kategorie závodu</li>
+        <li>"Kalské Borec"</li>
+        <li>Něco pod zub a k pití</li>
+        <li>Ceny</li>
+    </ul>
+    <h5>KDY?</h5>
+    <ul>
+        <li>Registrace od 1.3. do 27.3.</li>
+        <li>
+            <ul>
+                <li>Bez registrace to nepude a 400,- budem taky potřebovat. Abychom vědeli kolik čeho nachystat</li>
+                <li>Změna oproti //24 je v tom, že se Rodinné tímy neregistrují a jen si užijí pohodový výlet.</li>
+            </ul>
+        </li>
+        <li>29.3.2025 je den D</li>
+        <li>
+            <ul>
+                <li>Borci start v 9:00</li>
+                <li>Bušiči v 10:00</li>
+                <li>Junioři případně po návratu dospělého 12-13:00</li>
+            </ul>
+        </li>
+    </ul>
+    <h5>KDE?</h5>
+    <p>Tady je mapa, kde se to bude dít:</p>
+    <iframe style="border:none" src="https://en.frame.mapy.cz/s/gopevolose" width="100%" height="280"
+            frameborder="0"></iframe>
+
+    <h5>JAK?</h5>
+    <p>Registrace bude probíhat od 1.3.2025 do 27.3.2025. na této stránce, kde si vyberete okruh, který chcete
+        absolvovat. Pokud se chcete zúčastnit všech okruhů, tak si vyberete "Kalské Borec".</p>
+    <p>Přispěvek k registraci 400,- Kč</p>
+    <p>Příspěvek je použit na občerstvení, ceny a zajištění závodu.</p>
+
+    <h5>CENY?</h5>
+    <p>Servis od Ventila, Gripy, lahve, blikačky... </p>
+</div>
+        """
+    }
+    try:
+        # create the first event if it does not exist
+        event = Event.objects.filter(uid='aaaa2f5a-d4ea-470f-81b3-fa5a858695ae')
+        if event.exists():
+            return
+
+
+        event = Event(
+            uid='aaaa2f5a-d4ea-470f-81b3-fa5a858695ae',
+            start=datetime(2025, 3, 29, 8, 0, 0),
+            end=datetime(2025, 3, 29, 18, 0, 0),
+            name='Kalské Borec //25',
+            description='Legendární MTB závod kolem obce Kaly, vrchem i spodem Bránou Vysočiny',
+            sub_description='Okruhy pro 2025 se teprve chystají, registrace od 1.3.2025. Jestli by neko chtěl jako dobrovolník pomoct s trasou, nebo ogranizací, volejte Ventilovi.',
+            is_public=True,
+            is_actual=True,
+            registrations_enabled=True,
+            registrations_require_confirmation=False,
+            bank_account_number='CZ9430300000001262023012',
+            bank_account_name='MILAN TOMAN',
+            fee=Decimal('400.00'),
+            variable_symbol_prefix='KB25',
+            color='purple',
+        )
+        event.save()
+
+        # create categories
+        for category in categories:
+            new_category, created = Category.objects.get_or_create(name=category['name'])
+
+            # skip if the category already exists
+            if not created:
+                continue
+
+            new_category.description = category['description']
+            new_category.event = event
+            new_category.save()
+
+        # create html section
+        new_section, created = HTMLSection.objects.get_or_create(identifier=event_html_section['identifier'])
+        if not created:
+            return
+
+        new_section.menu = event_html_section['menu']
+        new_section.html = event_html_section['html']
+        new_section.event = event
+        new_section.save()
+            
+
+    except Exception as e:
+        raise e
+
+
+
+class Command(BaseCommand):
+    help = 'Fill empty db tables with default data'
+
+    def handle(self, *args, **options):
+        try:
+            create_first_event()
+
+        except Exception as e:
+            raise e

src/core/models.py

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+from django.db import models
+
+# Create your models here.

src/core/qr_generator.py

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+import io
+import qrcode
+import qrcode.image.svg
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def format_cz_payment_data(
+        account_number: str,
+        recipient_name: str,
+        amount: str,
+        message: str) -> str:
+    """
+    Returns formatted payment data for Czech banks
+    :param account_number:
+    :param recipient_name:
+    :param amount:
+    :param message:
+    :return:
+    """
+    return f'SPD*1.0*ACC:{account_number}*RN:{recipient_name}*AM:{amount}*CC:CZK*MSG:{message}'
+
+def generate_qr_code_svg(data: str) -> io.BytesIO:
+    """
+    Generates QR code from data and returns it as SVG image in BytesIO
+    :param data:
+    :return:
+    """
+    result = io.BytesIO()
+    try:
+        qr_code_img = qrcode.make(data, image_factory=qrcode.image.svg.SvgImage)
+        qr_code_img.save(result)
+        result.seek(0)
+    except Exception as e:
+        logger.error(e)
+        raise e
+    return result

src/core/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

src/core/urls.py

@@ -0,0 +1,16 @@
+from django.urls import path
+from core.views import IndexView, NoDataView
+
+urlpatterns = [
+    path(
+        "",
+        IndexView.as_view(template_name="core/index.html"),
+        name="index",
+    ),
+
+    path(
+        "nothing-there/",
+        NoDataView.as_view(template_name="core/no_data.html"),
+        name="no_data",
+    )
+]

src/core/utils.py

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+import string
+import random
+
+
+def generate_random_string(length:int = 10) -> str:
+    """
+    Generates a random string of the given length
+    """
+    letters = string.ascii_letters + string.digits
+    return ''.join(random.choice(letters) for i in range(length))

src/core/views.py

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+from django.http import HttpResponseRedirect
+from django.contrib import messages
+from django.urls import reverse_lazy
+from django.utils.translation import gettext_lazy as _
+from django.views.generic import TemplateView
+
+from events.models import Event
+
+
+class IndexView(TemplateView):
+
+    def get(self, request, *args, **kwargs):
+        data = self.get_context_data()
+        try:
+            data['event'] = Event.objects.get_actual()
+            if not data['event']:
+                return HttpResponseRedirect(reverse_lazy('no_data'))
+
+            data['html_sections'] = data['event'].html_sections.all().order_by('order_index')
+
+        except Exception as e:
+            HttpResponseRedirect(reverse_lazy('no_data'))
+
+        return self.render_to_response(data)
+
+
+class NoDataView(TemplateView):
+    template_name = 'core/no_data.html'
+
+    def get(self, request, *args, **kwargs):
+        data = self.get_context_data()
+        return self.render_to_response(data)

src/events/admin.py

@@ -0,0 +1,31 @@
+from django.contrib import admin
+
+from events import models
+
+
+@admin.register(models.Category)
+class CategoryAdmin(admin.ModelAdmin):
+    list_display = ('name', 'description', 'event')
+    list_filter = ('event',)
+
+@admin.register(models.Event)
+class EventAdmin(admin.ModelAdmin):
+    list_display = ('start', 'name', 'is_actual', 'is_public', 'registrations_enabled')
+
+
+@admin.register(models.Registration)
+class RegistrationAdmin(admin.ModelAdmin):
+    list_display = ('created', 'variable_symbol', 'event', 'email', 'first_name', 'last_name', 'is_confirmed' ,'is_paid', 'is_finished')
+    list_filter = ('event', 'is_confirmed', 'is_paid', 'is_finished', 'email')
+    search_fields = ('email', 'first_name', 'last_name', 'variable_symbol')
+
+
+@admin.register(models.HTMLSection)
+class HTMLSectionAdmin(admin.ModelAdmin):
+    list_display = ('created', 'event', 'identifier', 'order_index')
+
+
+@admin.register(models.Lap)
+class LapAdmin(admin.ModelAdmin):
+    list_display = ('number', 'registration', 'start', 'end', 'duration')
+    list_filter = ('registration',)

src/events/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class EventsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'events'

src/events/forms.py

@@ -0,0 +1,34 @@
+from django import forms
+from django.utils.translation import gettext_lazy as _
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Div, HTML, Layout, Fieldset, Submit, Field
+
+
+class RegistrationForm(forms.Form):
+    email = forms.CharField(label=_('Email'), required=True)
+    first_name = forms.CharField(label=_('First Name'), required=True)
+    last_name = forms.CharField(label=_('Password confirmation'), required=True)
+    nick_name = forms.CharField(label=_('Nick Name'), required=False)
+    phone = forms.CharField(label=_('Phone'), required=False)
+    category = forms.CharField(label=_('Category'), required=True)
+    text = forms.CharField(label=_('Text'), required=False, widget=forms.Textarea)
+
+    def __init__(self, *args, **kwargs):
+        super(RegistrationForm, self).__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.form_tag = False
+        self.helper.form_method = 'post'
+        self.helper.form_action = 'submit_survey'
+        self.helper.add_input(Submit('submit', 'Submit', css_class='btn btn-primary d-block mx-auto'))
+
+
+class EmailForm(forms.Form):
+    email = forms.CharField(label=_('Email'), required=True)
+
+    def __init__(self, *args, **kwargs):
+        super(EmailForm, self).__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.form_tag = False
+        self.helper.form_method = 'post'
+        self.helper.form_action = 'submit_survey'
+        self.helper.add_input(Submit('submit', 'Submit', css_class='btn btn-primary d-block mx-auto'))

src/events/managers.py

@@ -0,0 +1,17 @@
+from django.db import models
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class EventsManager(models.Manager):
+    def get_actual(self) -> 'Event':
+        """
+        Returns the actual event for this event.
+        If there is no actual event, it returns the last event.
+        :return: Event
+        """
+        try:
+            return self.get_queryset().filter(is_actual=True).first()
+        except Exception as e:
+            raise e

src/events/migrations/0001_initial.py

@@ -0,0 +1,123 @@
+# Generated by Django 5.1.6 on 2025-03-05 18:55
+
+import django.db.models.deletion
+import django.utils.timezone
+import model_utils.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Event',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('start', models.DateTimeField(blank=True, null=True, verbose_name='start')),
+                ('end', models.DateTimeField(blank=True, null=True, verbose_name='end')),
+                ('uid', models.UUIDField(blank=True, null=True, unique=True, verbose_name='UUID')),
+                ('name', models.CharField(max_length=100, unique=True, verbose_name='Name')),
+                ('description', models.TextField(blank=True, null=True, verbose_name='Description')),
+                ('sub_description', models.TextField(blank=True, null=True, verbose_name='Sub Description')),
+                ('longitude', models.FloatField(blank=True, null=True, verbose_name='Longitude')),
+                ('latitude', models.FloatField(blank=True, null=True, verbose_name='Latitude')),
+                ('bank_account_number', models.CharField(blank=True, max_length=50, null=True, verbose_name='Bank account number')),
+                ('bank_account_name', models.CharField(blank=True, max_length=100, null=True, verbose_name='Bank account name')),
+                ('bank_account_bank_code', models.CharField(blank=True, max_length=10, null=True, verbose_name='Bank account bank code')),
+                ('fee', models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True, verbose_name='Fee')),
+                ('variable_symbol_prefix', models.CharField(blank=True, max_length=10, null=True, verbose_name='Variable symbol prefix')),
+                ('registrations_require_confirmation', models.BooleanField(default=False, verbose_name='Require registration confirmation')),
+                ('is_public', models.BooleanField(default=False, verbose_name='Is public')),
+                ('is_actual', models.BooleanField(default=False, verbose_name='Is actual')),
+                ('registrations_enabled', models.BooleanField(default=False, verbose_name='Registrations enabled')),
+                ('color', models.CharField(blank=True, choices=[('red', 'Red'), ('pink', 'Pink'), ('purple', 'Purple'), ('deep-purple', 'Deep Purple'), ('indigo', 'Indigo'), ('blue', 'Blue'), ('light-blue', 'Light Blue'), ('cyan', 'Cyan'), ('aqua', 'Aqua'), ('teal', 'Teal'), ('green', 'Green'), ('light-green', 'Light Green'), ('lime', 'Lime'), ('sand', 'Sand'), ('khaki', 'Khaki'), ('yellow', 'Yellow'), ('amber', 'Amber'), ('orange', 'Orange'), ('deep-orange', 'Deep Orange'), ('blue-gray', 'Blue Gray'), ('brown', 'Brown'), ('light-gray', 'Light Gray'), ('gray', 'Gray'), ('dark-gray', 'Dark Gray'), ('pale-red', 'Pale Red'), ('pale-yellow', 'Pale Yellow'), ('pale-green', 'Pale Green'), ('pale-blue', 'Pale Blue')], default=('red', 'Red'), max_length=20, null=True, verbose_name='Color')),
+            ],
+            options={
+                'verbose_name': 'Event',
+                'verbose_name_plural': 'Events',
+            },
+        ),
+        migrations.CreateModel(
+            name='Category',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True, verbose_name='Name')),
+                ('description', models.TextField(blank=True, null=True, verbose_name='Description')),
+                ('length', models.IntegerField(blank=True, null=True, verbose_name='Length')),
+                ('climb', models.IntegerField(blank=True, null=True, verbose_name='Climb')),
+                ('gpx', models.FileField(blank=True, null=True, upload_to='gpx/', verbose_name='GPX')),
+                ('event', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='categories', to='events.event', verbose_name='Event')),
+            ],
+            options={
+                'verbose_name': 'Category',
+                'verbose_name_plural': 'Categories',
+            },
+        ),
+        migrations.CreateModel(
+            name='Registration',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('uid', models.UUIDField(blank=True, null=True, verbose_name='UUID')),
+                ('variable_symbol', models.CharField(blank=True, max_length=10, null=True, verbose_name='Variable symbol')),
+                ('first_name', models.CharField(blank=True, max_length=30, null=True, verbose_name='First name')),
+                ('last_name', models.CharField(blank=True, max_length=30, null=True, verbose_name='Last name')),
+                ('email', models.EmailField(blank=True, max_length=254, null=True, verbose_name='Email')),
+                ('nick_name', models.CharField(blank=True, max_length=30, null=True, verbose_name='Nick name')),
+                ('phone', models.CharField(blank=True, max_length=20, null=True, verbose_name='Phone')),
+                ('category', models.CharField(blank=True, max_length=30, null=True, verbose_name='Category')),
+                ('text', models.TextField(blank=True, null=True, verbose_name='Text')),
+                ('is_confirmed', models.BooleanField(default=False, verbose_name='Is confirmed')),
+                ('is_paid', models.BooleanField(default=False, verbose_name='Is paid')),
+                ('is_finished', models.BooleanField(default=False, verbose_name='Is finished')),
+                ('is_presented', models.BooleanField(default=False, verbose_name='Is presented')),
+                ('start_number', models.IntegerField(blank=True, null=True, verbose_name='Start number')),
+                ('chip_id', models.CharField(blank=True, max_length=30, null=True, verbose_name='Chip ID')),
+                ('event', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='events.event', verbose_name='Event')),
+            ],
+            options={
+                'verbose_name': 'Registration',
+                'verbose_name_plural': 'Registrations',
+            },
+        ),
+        migrations.CreateModel(
+            name='Lap',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('number', models.IntegerField(blank=True, null=True, verbose_name='Number')),
+                ('start', models.DateTimeField(blank=True, null=True, verbose_name='Start')),
+                ('end', models.DateTimeField(blank=True, null=True, verbose_name='End')),
+                ('registration', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='laps', to='events.registration', verbose_name='Registration')),
+            ],
+            options={
+                'verbose_name': 'Lap',
+                'verbose_name_plural': 'Laps',
+            },
+        ),
+        migrations.CreateModel(
+            name='HTMLSection',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('identifier', models.CharField(max_length=100, verbose_name='Identifier')),
+                ('menu', models.CharField(max_length=100, verbose_name='Menu')),
+                ('html', models.TextField(blank=True, null=True, verbose_name='HTML')),
+                ('order_index', models.IntegerField(default=0, verbose_name='Order index')),
+                ('event', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='html_sections', to='events.event', verbose_name='Event')),
+            ],
+            options={
+                'verbose_name': 'HTML Section',
+                'verbose_name_plural': 'HTML Sections',
+                'unique_together': {('event', 'identifier')},
+            },
+        ),
+    ]

src/events/migrations/0002_category_mapy_cz_url.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.6 on 2025-03-06 08:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('events', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='category',
+            name='mapy_cz_url',
+            field=models.URLField(blank=True, null=True, verbose_name='Mapy.cz URL'),
+        ),
+    ]

src/events/models.py

@@ -0,0 +1,224 @@
+import logging
+import uuid
+from datetime import timedelta
+from django.core.exceptions import ValidationError
+from django.db import models
+from django.utils.encoding import smart_str
+from django.utils.translation import gettext_lazy as _
+from model_utils.models import TimeStampedModel, TimeFramedModel
+
+
+from events.managers import EventsManager
+
+logger = logging.getLogger(__name__)
+
+
+class Event(TimeFramedModel):
+    """
+    Event database model holding the event necessary information.
+    It based on TimeFramedModel which is a model with start and end date.
+    Gets a new UUID on creation for easier identification through the systems.
+    """
+    uid = models.UUIDField(blank=True, null=True, unique=True, verbose_name=_('UUID'))
+    name = models.CharField(max_length=100, null=False, blank=False, unique=True, verbose_name=_('Name'))
+    description = models.TextField(blank=True, null=True, verbose_name=_('Description'))
+    sub_description = models.TextField(blank=True, null=True, verbose_name=_('Sub Description'))
+
+    longitude = models.FloatField(blank=True, null=True, verbose_name=_('Longitude'))
+    latitude = models.FloatField(blank=True, null=True, verbose_name=_('Latitude'))
+
+    bank_account_number = models.CharField(max_length=50, blank=True, null=True, verbose_name=_('Bank account number'))
+    bank_account_name = models.CharField(max_length=100, blank=True, null=True, verbose_name=_('Bank account name'))
+    bank_account_bank_code = models.CharField(max_length=10, blank=True, null=True,
+                                              verbose_name=_('Bank account bank code'))
+    fee = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True, verbose_name=_('Fee'))
+    variable_symbol_prefix = models.CharField(max_length=10, blank=True, null=True,
+                                              verbose_name=_('Variable symbol prefix'))
+
+    # whether the registration requires confirmation email or their will be created inmediately after the form submit
+    registrations_require_confirmation = models.BooleanField(default=False, verbose_name=_('Require registration confirmation'))
+    is_public = models.BooleanField(default=False, verbose_name=_('Is public'))
+    is_actual = models.BooleanField(default=False, verbose_name=_('Is actual'))
+    registrations_enabled = models.BooleanField(default=False, verbose_name=_('Registrations enabled'))
+
+    COLORS = [
+        ('red', 'Red'),
+        ('pink', 'Pink'),
+        ('purple', 'Purple'),
+        ('deep-purple', 'Deep Purple'),
+        ('indigo', 'Indigo'),
+        ('blue', 'Blue'),
+        ('light-blue', 'Light Blue'),
+        ('cyan', 'Cyan'),
+        ('aqua', 'Aqua'),
+        ('teal', 'Teal'),
+        ('green', 'Green'),
+        ('light-green', 'Light Green'),
+        ('lime', 'Lime'),
+        ('sand', 'Sand'),
+        ('khaki', 'Khaki'),
+        ('yellow', 'Yellow'),
+        ('amber', 'Amber'),
+        ('orange', 'Orange'),
+        ('deep-orange', 'Deep Orange'),
+        ('blue-gray', 'Blue Gray'),
+        ('brown', 'Brown'),
+        ('light-gray', 'Light Gray'),
+        ('gray', 'Gray'),
+        ('dark-gray', 'Dark Gray'),
+        ('pale-red', 'Pale Red'),
+        ('pale-yellow', 'Pale Yellow'),
+        ('pale-green', 'Pale Green'),
+        ('pale-blue', 'Pale Blue')
+    ]
+    color = models.CharField(max_length=20, choices=COLORS, default=COLORS[0],
+                             blank=True, null=True, verbose_name=_('Color'))
+
+    objects = EventsManager()
+
+    class Meta:
+        verbose_name = _('Event')
+        verbose_name_plural = _('Events')
+
+    def __str__(self):
+        return self.name
+
+    def save(self, *args, **kwargs):
+        if not self.uid:
+            self.uid = uuid.uuid4()
+        super(Event, self).save(*args, **kwargs)
+
+    def clean(self):
+        # only one event can be actual
+        if self.is_actual:
+            Event.objects.exclude(pk=self.pk).update(is_actual=False)
+
+    def get_bg_color(self):
+        return f'w3-{self.color}'
+
+
+class Category(models.Model):
+    event = models.ForeignKey(Event, null=True, blank=True, on_delete=models.SET_NULL,
+                              related_name='categories', verbose_name=_('Event'))
+    name = models.CharField(max_length=100, null=False, blank=False, unique=True, verbose_name=_('Name'))
+    description = models.TextField(blank=True, null=True, verbose_name=_('Description'))
+
+    mapy_cz_url = models.URLField(blank=True, null=True, verbose_name=_('Mapy.cz URL'))
+    length = models.IntegerField(blank=True, null=True, verbose_name=_('Length'))
+    climb = models.IntegerField(blank=True, null=True, verbose_name=_('Climb'))
+    gpx = models.FileField(upload_to='gpx/', blank=True, null=True, verbose_name=_('GPX'))
+
+    class Meta:
+        verbose_name = _('Category')
+        verbose_name_plural = _('Categories')
+
+    def __str__(self):
+        return self.name
+
+
+class Registration(TimeStampedModel):
+    uid = models.UUIDField(blank=True, null=True, verbose_name=_('UUID'))
+    event = models.ForeignKey(Event, null=True, blank=True, on_delete=models.SET_NULL, verbose_name=_('Event'))
+    variable_symbol = models.CharField(max_length=10, blank=True, null=True, verbose_name=_('Variable symbol'))
+
+    # data from form
+    first_name = models.CharField(max_length=30, blank=True, null=True, verbose_name=_('First name'))
+    last_name = models.CharField(max_length=30, blank=True, null=True, verbose_name=_('Last name'))
+    email = models.EmailField(blank=True, null=True, verbose_name=_('Email'))
+    nick_name = models.CharField(max_length=30, blank=True, null=True, verbose_name=_('Nick name'))
+    phone = models.CharField(max_length=20, blank=True, null=True, verbose_name=_('Phone'))
+    category = models.CharField(max_length=30, blank=True, null=True, verbose_name=_('Category'))
+    text = models.TextField(blank=True, null=True, verbose_name=_('Text'))
+
+    # flags
+    is_confirmed = models.BooleanField(default=False, verbose_name=_('Is confirmed'))
+    is_paid = models.BooleanField(default=False, verbose_name=_('Is paid'))
+    is_finished = models.BooleanField(default=False, verbose_name=_('Is finished'))
+    is_presented = models.BooleanField(default=False, verbose_name=_('Is presented'))
+
+    # race data
+    start_number = models.IntegerField(blank=True, null=True, verbose_name=_('Start number'))
+    chip_id = models.CharField(max_length=30, blank=True, null=True, verbose_name=_('Chip ID'))
+
+    class Meta:
+        verbose_name = _('Registration')
+        verbose_name_plural = _('Registrations')
+
+    def __str__(self):
+        return f'{self.email} - {self.event}'
+
+    def save(self, *args, **kwargs):
+        if not self.uid:
+            self.uid = uuid.uuid4()
+        super(Registration, self).save(*args, **kwargs)
+
+    def get_name(self):
+        if self.nick_name:
+            return smart_str(self.nick_name)
+        if not self.first_name and not self.last_name:
+            return smart_str(self.email)
+
+        return smart_str(f'{self.first_name} {self.last_name}')
+
+    @property
+    def status(self):
+        """
+        Returns the status of the registration.
+        :return:
+        """
+        if self.is_finished:
+            return 'Dokončena'
+        if self.is_paid:
+            return 'Zaplacena'
+        else:
+            return 'Nezaplacena'
+
+
+
+class Lap(TimeStampedModel):
+    registration = models.ForeignKey(Registration, null=True, blank=True, on_delete=models.SET_NULL,
+                                     related_name='laps', verbose_name=_('Registration'))
+    number = models.IntegerField(blank=True, null=True, verbose_name=_('Number'))
+    start = models.DateTimeField(blank=True, null=True, verbose_name=_('Start'))
+    end = models.DateTimeField(blank=True, null=True, verbose_name=_('End'))
+
+    class Meta:
+        verbose_name = _('Lap')
+        verbose_name_plural = _('Laps')
+
+    def __str__(self):
+        return f'{self.number} - {self.registration}'
+
+    @property
+    def duration(self):
+        """
+        Returns the duration of the lap.
+        :return:
+        """
+        if self.start and self.end:
+            return self.end - self.start
+        return timedelta(0)
+
+
+class HTMLSection(TimeStampedModel):
+    event = models.ForeignKey(Event, null=True, blank=True, on_delete=models.SET_NULL,
+                              related_name='html_sections', verbose_name=_('Event'))
+    identifier = models.CharField(max_length=100, null=False, blank=False,
+                                  verbose_name=_('Identifier'))
+    menu = models.CharField(max_length=100, null=False, blank=False,
+                            verbose_name=_('Menu'))
+    html = models.TextField(blank=True, null=True, verbose_name=_('HTML'))
+    order_index = models.IntegerField(default=0, verbose_name=_('Order index'))
+
+    class Meta:
+        verbose_name = _('HTML Section')
+        verbose_name_plural = _('HTML Sections')
+        unique_together = (('event', 'identifier'),)
+
+    def __str__(self):
+        return f'{self.identifier} - {self.event}'
+
+    def clean(self):
+        # check if the order index is unique for the event
+        if HTMLSection.objects.filter(event=self.event, order_index=self.order_index).exclude(pk=self.pk).exists():
+            raise ValidationError(_('Order index must be unique for the event'))

src/events/templatetags/event_tags.py

@@ -0,0 +1,26 @@
+import base64
+from django import template
+from core.qr_generator import generate_qr_code_svg, format_cz_payment_data
+
+register = template.Library()
+
+
+@register.filter(name='qr_code')
+def qr_code(registration):
+    # check if registration is class Registration
+    if not hasattr(registration, 'event'):
+        return ''
+
+    try:
+        data = format_cz_payment_data(
+            account_number=registration.event.bank_account_number,
+            recipient_name=registration.event.bank_account_name,
+            amount=str(int(registration.event.fee)),
+            message=registration.variable_symbol
+        )
+        tmp_code = generate_qr_code_svg(data)
+        return base64.b64encode(tmp_code.getvalue()).decode('utf-8')
+    except Exception as e:
+        return ''
+
+

src/events/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

src/events/urls.py

@@ -0,0 +1,31 @@
+from django.urls import path
+
+from events.views import (RegistrationView, ConfirmRegistrationView,
+                          MyRegistrationsRequestView, MyRegistrationsListView)
+
+urlpatterns = [
+    path(
+        "registration/<int:pk>/",
+        RegistrationView.as_view(),
+        name="registration",
+    ),
+
+    path(
+        "confirm-registration/",
+        ConfirmRegistrationView.as_view(),
+        name="confirm_registration",
+    ),
+
+    path(
+        "my-registrations-request/<int:pk>/",
+        MyRegistrationsRequestView.as_view(),
+        name="my_registrations_request",
+    ),
+
+    path(
+        "my-registrations/<str:uid>/<str:email>/<str:security_code>/",
+        MyRegistrationsListView.as_view(),
+        name="my_registrations_list",
+    )
+
+    ]

src/events/views.py

@@ -0,0 +1,234 @@
+import logging
+from django.conf import settings
+from django.contrib import messages
+from django.http import HttpResponseRedirect
+from django.urls import reverse_lazy
+from django.utils.translation import gettext_lazy as _
+from django.views.generic import RedirectView, TemplateView
+from django.shortcuts import get_object_or_404
+
+from core.mailer import Emailer
+from core.utils import generate_random_string
+from events.forms import RegistrationForm, EmailForm
+from events.models import Registration, Event
+from users.models import ConfirmationCode, SecurityCode
+
+logger = logging.getLogger(__name__)
+
+
+class RegistrationView(RedirectView):
+    success_url = reverse_lazy('index')
+
+    def post(self, request, *args, **kwargs):
+        # get event by pk
+        event = get_object_or_404(Event, pk=kwargs['pk'])
+
+        # handle registration form
+        form = RegistrationForm(request.POST)
+        if form.is_valid():
+            try:
+                # create email security code for feature requests
+                security_code, created = SecurityCode.objects.get_or_create(email=form.cleaned_data['email'])
+
+                # create a new Registration
+                registration = Registration(
+                    event=event,
+                    first_name=form.cleaned_data['first_name'],
+                    last_name=form.cleaned_data['last_name'],
+                    nick_name=form.cleaned_data['nick_name'],
+                    phone=form.cleaned_data['phone'],
+                    email=form.cleaned_data['email'],
+                    text=form.cleaned_data['text'],
+                    category=form.cleaned_data['category'],
+                )
+                registration.save()
+
+                # skip confirmation when event does not require it
+                if not event.registrations_require_confirmation:
+                    registration.is_confirmed = True
+                    registration.variable_symbol = f'{event.variable_symbol_prefix}-{registration.id}'
+                    registration.save()
+                    messages.success(request, _('Registration successful.'))
+
+                    # send email with information about registration
+                    emailer = Emailer()
+
+                    # prepare url for registration detail
+                    url = f'{settings.PUBLIC_URL}{reverse_lazy(
+                        "my_registrations_list",
+                        kwargs={
+                            "uid": event.uid,
+                            "email": form.cleaned_data["email"],
+                            "security_code": security_code.code
+                        })}'
+
+                    # send email
+                    emailer.send(
+                        template_name='registration_info',
+                        recipient=form.cleaned_data['email'],
+                        subject=f'Registrace na zavod {event.name}',
+                        context_dict={
+                            'name': event.name,
+                            'date': event.start,
+                            "url": url,
+                        },
+                    )
+
+                    # redirect to registrations list
+                    return HttpResponseRedirect(reverse_lazy('my_registrations_list', kwargs={
+                        "uid": event.uid,
+                        "email": form.cleaned_data["email"],
+                        "security_code": security_code.code
+                    }))
+
+                # create confirm code
+                confirmation_code = ConfirmationCode(
+                    email=form.cleaned_data['email'],
+                    registration_id=registration.id,
+                    code=f'{generate_random_string(16)}-{registration.created.timestamp()}',
+                )
+                confirmation_code.save()
+
+                # send email with confirmation link
+                emailer = Emailer()
+                emailer.send(
+                    template_name='registration',
+                    recipient=form.cleaned_data['email'],
+                    subject='Registrace na zavod Kalske Borec 2025',
+                    context_dict={
+                        'name': event.name,
+                        'date': event.start,
+                        'email': form.cleaned_data['email'],
+                        'nick_name': form.cleaned_data['nick_name'],
+                        'phone': form.cleaned_data['phone'],
+                        'racer': f'{form.cleaned_data["first_name"]} {form.cleaned_data["last_name"]}',
+                        'category': form.cleaned_data['category'],
+                        'text': form.cleaned_data['text'],
+                        'security_code': security_code.code,
+                        "url": f'{settings.PUBLIC_URL}/events/confirm-registration/?email={form.cleaned_data['email']}&r={registration.id}&code={confirmation_code.code}&security_code={security_code.code}',
+                    },
+                )
+
+                messages.success(request, _('Registration successful.'))
+            except Exception as e:
+                logger.error(e)
+                messages.error(request, _('Registration failed.'))
+
+        else:
+            messages.error(request, _('Please correct the error below.'))
+
+        return HttpResponseRedirect(self.success_url)
+
+
+class ConfirmRegistrationView(RedirectView):
+    success_url = reverse_lazy('index')
+
+    def get(self, request, *args, **kwargs):
+        code = request.GET.get('code')
+        email = request.GET.get('email')
+        registration_id = request.GET.get('r')
+
+        # if not all params are present
+        if not code or not email or not registration_id:
+            messages.error(request, _('Invalid confirmation link.'))
+            return HttpResponseRedirect(self.success_url)
+
+        try:
+            # get confirmation code
+            confirmation = ConfirmationCode.objects.get(
+                email=email,
+                code=code,
+                registration_id=registration_id
+            )
+
+            messages.success(request, _('Registration completed.'))
+
+            # get and confirm registration and assign user
+            registration = Registration.objects.get(pk=registration_id)
+            registration.is_confirmed = True
+            registration.variable_symbol = f'{registration.event.variable_symbol_prefix}-{registration.id}'
+            registration.save()
+
+            # delete confirmation code
+            confirmation.delete()
+
+            # get security code for email
+            security_code = SecurityCode.objects.get(email=email)
+
+            # redirect to registrations list
+            return HttpResponseRedirect(reverse_lazy('my_registrations_list', kwargs={
+                "uid": registration.event.uid,
+                "email": registration.email,
+                "security_code": security_code.code
+            }))
+
+        except Exception as e:
+            logger.error(e)
+            messages.error(request, _('Invalid confirmation link.'))
+            return HttpResponseRedirect(self.success_url)
+
+
+class MyRegistrationsRequestView(RedirectView):
+    success_url = reverse_lazy('index')
+
+    def post(self, request, *args, **kwargs):
+        event = get_object_or_404(Event, pk=kwargs['pk'])
+
+        form = EmailForm(request.POST)
+        if form.is_valid():
+            try:
+                # get security code
+                security_code = SecurityCode.objects.get(email=form.cleaned_data['email'])
+                # send email with confirmation link
+                emailer = Emailer()
+                # prepare url for registration detail
+                url = f'{settings.PUBLIC_URL}{reverse_lazy(
+                    "my_registrations_list",
+                    kwargs={
+                        "uid": event.uid,
+                        "email": form.cleaned_data["email"],
+                        "security_code": security_code.code
+                    })}'
+
+                emailer.send(
+                    template_name='my_registrations_request',
+                    recipient=form.cleaned_data['email'],
+                    subject='Moje registrace na zavod Kalske Borec 2025',
+                    context_dict={
+                        'name': event.name,
+                        'date': event.start,
+                        'url': url,
+                    },
+                )
+
+                messages.success(request, _('Request sending successful.'))
+            except Exception as e:
+                logger.error(e)
+                messages.error(request, "Pro zadanej email neexistuje žádná registrace.")
+
+        else:
+            messages.error(request, _('Please correct the error below.'))
+
+        return HttpResponseRedirect(self.success_url)
+
+
+class MyRegistrationsListView(TemplateView):
+    template_name = 'events/my_registrations.html'
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        # get event by pk
+        context['event'] = get_object_or_404(Event, uid=kwargs['uid'])
+        context['html_sections'] = context['event'].html_sections.all().order_by('order_index')
+
+        # check security code if user is not admin
+        if not self.request.user.is_superuser:
+            security_code = get_object_or_404(SecurityCode, email=kwargs['email'])
+            if security_code.code != kwargs['security_code']:
+                messages.error(self.request, _('Invalid security code.'))
+                return context
+
+        context['registrations'] = Registration.objects.filter(email=kwargs['email'])
+
+        return context

src/kalskeborec/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for kalskeborec project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'kalskeborec.settings')
+
+application = get_asgi_application()

src/kalskeborec/settings.py

@@ -0,0 +1,178 @@
+"""
+Django settings for kalskeborec project.
+
+Generated by 'django-admin startproject' using Django 5.1.6.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.1/ref/settings/
+"""
+import os
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = os.environ.get("DJANGO_SECRET_KEY")
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = os.environ.get('DEBUG', 'True') == 'True'
+PRODUCTION = os.environ.get('PRODUCTION', 'False') == 'True'
+print("DEBUG: ", DEBUG)
+print("PRODUCTION: ", PRODUCTION)
+
+PUBLIC_URL = os.environ.get('PUBLIC_URL', 'http://0.0.0.0:8111')
+
+ALLOWED_HOSTS = [PUBLIC_URL, '*']
+# allowed hosts
+CSRF_TRUSTED_ORIGINS = [
+    PUBLIC_URL,
+]
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'crispy_forms',
+
+    'users',
+    'core',
+    'events',
+    'timer',
+    'bar',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'kalskeborec.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR / 'templates']
+        ,
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'kalskeborec.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.1/ref/settings/#databases
+
+if PRODUCTION:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.mysql',
+            'NAME': os.environ.get('MYSQL_DATABASE'),
+            'USER': os.environ.get('MYSQL_USER'),
+            'PASSWORD': os.environ.get('MYSQL_PASSWORD'),
+            'HOST': os.environ.get('MYSQL_HOST'),
+            'PORT': os.environ.get('MYSQL_PORT'),
+        }
+    }
+else:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'db.sqlite3',
+        }
+    }
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+AUTHENTICATION_BACKENDS = ['users.auth.EmailBackend']
+
+AUTH_USER_MODEL = "users.User"
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.1/topics/i18n/
+
+LANGUAGES = [
+    ('cz-CZ', 'Czech'),
+    ('en', 'English'),
+    # Add other languages here
+]
+
+LANGUAGE_CODE = 'cz-CZ'
+
+TIME_ZONE = 'Europe/Prague'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.1/howto/static-files/
+
+STATIC_URL = "/static/"
+STATIC_ROOT = BASE_DIR.parent / "staticfiles"
+
+STATICFILES_DIRS = [
+    BASE_DIR / "static",
+]
+
+# Media files (user uploaded)
+MEDIA_ROOT = BASE_DIR.parent / "mediafiles"
+MEDIA_URL = '/media/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# Email settings
+
+#
+EMAIL_HOST = os.environ.get("EMAIL_HOST", default="localhost")
+EMAIL_PORT = os.environ.get("EMAIL_PORT", default=1025)
+EMAIL_USE_TLS = os.environ.get("EMAIL_USE_TLS", default=False)
+EMAIL_HOST_USER = os.environ.get("EMAIL_HOST_USER", default="")
+EMAIL_HOST_PASSWORD = os.environ.get("EMAIL_HOST_PASSWORD", default="")

src/kalskeborec/urls.py

@@ -0,0 +1,30 @@
+"""
+URL configuration for kalskeborec project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.template.context_processors import media
+from django.urls import include, path
+from django.conf import settings
+from django.conf.urls.static import static
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+
+    path("", include("users.urls")),
+    path("", include("core.urls")),
+    path("events/", include("events.urls")),
+    path("timer/", include("timer.urls")),
+] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

src/kalskeborec/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for kalskeborec project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'kalskeborec.settings')
+
+application = get_wsgi_application()

src/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'kalskeborec.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

src/static/admin/css/autocomplete.css

@@ -0,0 +1,279 @@
+select.admin-autocomplete {
+    width: 20em;
+}
+
+.select2-container--admin-autocomplete.select2-container {
+    min-height: 30px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single,
+.select2-container--admin-autocomplete .select2-selection--multiple {
+    min-height: 30px;
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection {
+    border-color: var(--body-quiet-color);
+    min-height: 30px;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection.select2-selection--single,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection.select2-selection--single {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection.select2-selection--multiple,
+.select2-container--admin-autocomplete.select2-container--open .select2-selection.select2-selection--multiple {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single {
+    background-color: var(--body-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__rendered {
+    color: var(--body-fg);
+    line-height: 30px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__placeholder {
+    color: var(--body-quiet-color);
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__arrow {
+    height: 26px;
+    position: absolute;
+    top: 1px;
+    right: 1px;
+    width: 20px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--single .select2-selection__arrow b {
+    border-color: #888 transparent transparent transparent;
+    border-style: solid;
+    border-width: 5px 4px 0 4px;
+    height: 0;
+    left: 50%;
+    margin-left: -4px;
+    margin-top: -2px;
+    position: absolute;
+    top: 50%;
+    width: 0;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--single .select2-selection__clear {
+    float: left;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--single .select2-selection__arrow {
+    left: 1px;
+    right: auto;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--single {
+    background-color: var(--darkened-bg);
+    cursor: default;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--single .select2-selection__clear {
+    display: none;
+}
+
+.select2-container--admin-autocomplete.select2-container--open .select2-selection--single .select2-selection__arrow b {
+    border-color: transparent transparent #888 transparent;
+    border-width: 0 4px 5px 4px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple {
+    background-color: var(--body-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+    cursor: text;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__rendered {
+    box-sizing: border-box;
+    list-style: none;
+    margin: 0;
+    padding: 0 10px 5px 5px;
+    width: 100%;
+    display: flex;
+    flex-wrap: wrap;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__rendered li {
+    list-style: none;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__placeholder {
+    color: var(--body-quiet-color);
+    margin-top: 5px;
+    float: left;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+    margin: 5px;
+    position: absolute;
+    right: 0;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice {
+    background-color: var(--darkened-bg);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+    cursor: default;
+    float: left;
+    margin-right: 5px;
+    margin-top: 5px;
+    padding: 0 5px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice__remove {
+    color: var(--body-quiet-color);
+    cursor: pointer;
+    display: inline-block;
+    font-weight: bold;
+    margin-right: 2px;
+}
+
+.select2-container--admin-autocomplete .select2-selection--multiple .select2-selection__choice__remove:hover {
+    color: var(--body-fg);
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice, .select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__placeholder, .select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-search--inline {
+    float: right;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
+    margin-left: 5px;
+    margin-right: auto;
+}
+
+.select2-container--admin-autocomplete[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
+    margin-left: 2px;
+    margin-right: auto;
+}
+
+.select2-container--admin-autocomplete.select2-container--focus .select2-selection--multiple {
+    border: solid var(--body-quiet-color) 1px;
+    outline: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection--multiple {
+    background-color: var(--darkened-bg);
+    cursor: default;
+}
+
+.select2-container--admin-autocomplete.select2-container--disabled .select2-selection__choice__remove {
+    display: none;
+}
+
+.select2-container--admin-autocomplete.select2-container--open.select2-container--above .select2-selection--single, .select2-container--admin-autocomplete.select2-container--open.select2-container--above .select2-selection--multiple {
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+}
+
+.select2-container--admin-autocomplete.select2-container--open.select2-container--below .select2-selection--single, .select2-container--admin-autocomplete.select2-container--open.select2-container--below .select2-selection--multiple {
+    border-bottom-left-radius: 0;
+    border-bottom-right-radius: 0;
+}
+
+.select2-container--admin-autocomplete .select2-search--dropdown {
+    background: var(--darkened-bg);
+}
+
+.select2-container--admin-autocomplete .select2-search--dropdown .select2-search__field {
+    background: var(--body-bg);
+    color: var(--body-fg);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+}
+
+.select2-container--admin-autocomplete .select2-search--inline .select2-search__field {
+    background: transparent;
+    color: var(--body-fg);
+    border: none;
+    outline: 0;
+    box-shadow: none;
+    -webkit-appearance: textfield;
+}
+
+.select2-container--admin-autocomplete .select2-results > .select2-results__options {
+    max-height: 200px;
+    overflow-y: auto;
+    color: var(--body-fg);
+    background: var(--body-bg);
+}
+
+.select2-container--admin-autocomplete .select2-results__option[role=group] {
+    padding: 0;
+}
+
+.select2-container--admin-autocomplete .select2-results__option[aria-disabled=true] {
+    color: var(--body-quiet-color);
+}
+
+.select2-container--admin-autocomplete .select2-results__option[aria-selected=true] {
+    background-color: var(--selected-bg);
+    color: var(--body-fg);
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option {
+    padding-left: 1em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__group {
+    padding-left: 0;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -1em;
+    padding-left: 2em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -2em;
+    padding-left: 3em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -3em;
+    padding-left: 4em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -4em;
+    padding-left: 5em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -5em;
+    padding-left: 6em;
+}
+
+.select2-container--admin-autocomplete .select2-results__option--highlighted[aria-selected] {
+    background-color: var(--primary);
+    color: var(--primary-fg);
+}
+
+.select2-container--admin-autocomplete .select2-results__group {
+    cursor: default;
+    display: block;
+    padding: 6px;
+}
+
+.errors .select2-selection {
+    border: 1px solid var(--error-fg);
+}

src/static/admin/css/changelists.css

@@ -0,0 +1,343 @@
+/* CHANGELISTS */
+
+#changelist {
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+}
+
+#changelist .changelist-form-container {
+    flex: 1 1 auto;
+    min-width: 0;
+}
+
+#changelist table {
+    width: 100%;
+}
+
+.change-list .hiddenfields { display:none; }
+
+.change-list .filtered table {
+    border-right: none;
+}
+
+.change-list .filtered {
+    min-height: 400px;
+}
+
+.change-list .filtered .results, .change-list .filtered .paginator,
+.filtered #toolbar, .filtered div.xfull {
+    width: auto;
+}
+
+.change-list .filtered table tbody th {
+    padding-right: 1em;
+}
+
+#changelist-form .results {
+    overflow-x: auto;
+    width: 100%;
+}
+
+#changelist .toplinks {
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+#changelist .paginator {
+    color: var(--body-quiet-color);
+    border-bottom: 1px solid var(--hairline-color);
+    background: var(--body-bg);
+    overflow: hidden;
+}
+
+/* CHANGELIST TABLES */
+
+#changelist table thead th {
+    padding: 0;
+    white-space: nowrap;
+    vertical-align: middle;
+}
+
+#changelist table thead th.action-checkbox-column {
+    width: 1.5em;
+    text-align: center;
+}
+
+#changelist table tbody td.action-checkbox {
+    text-align: center;
+}
+
+#changelist table tfoot {
+    color: var(--body-quiet-color);
+}
+
+/* TOOLBAR */
+
+#toolbar {
+    padding: 8px 10px;
+    margin-bottom: 15px;
+    border-top: 1px solid var(--hairline-color);
+    border-bottom: 1px solid var(--hairline-color);
+    background: var(--darkened-bg);
+    color: var(--body-quiet-color);
+}
+
+#toolbar form input {
+    border-radius: 4px;
+    font-size: 0.875rem;
+    padding: 5px;
+    color: var(--body-fg);
+}
+
+#toolbar #searchbar {
+    height: 1.1875rem;
+    border: 1px solid var(--border-color);
+    padding: 2px 5px;
+    margin: 0;
+    vertical-align: top;
+    font-size: 0.8125rem;
+    max-width: 100%;
+}
+
+#toolbar #searchbar:focus {
+    border-color: var(--body-quiet-color);
+}
+
+#toolbar form input[type="submit"] {
+    border: 1px solid var(--border-color);
+    font-size: 0.8125rem;
+    padding: 4px 8px;
+    margin: 0;
+    vertical-align: middle;
+    background: var(--body-bg);
+    box-shadow: 0 -15px 20px -10px rgba(0, 0, 0, 0.15) inset;
+    cursor: pointer;
+    color: var(--body-fg);
+}
+
+#toolbar form input[type="submit"]:focus,
+#toolbar form input[type="submit"]:hover {
+    border-color: var(--body-quiet-color);
+}
+
+#changelist-search img {
+    vertical-align: middle;
+    margin-right: 4px;
+}
+
+#changelist-search .help {
+    word-break: break-word;
+}
+
+/* FILTER COLUMN */
+
+#changelist-filter {
+    flex: 0 0 240px;
+    order: 1;
+    background: var(--darkened-bg);
+    border-left: none;
+    margin: 0 0 0 30px;
+}
+
+@media (forced-colors: active) {
+  #changelist-filter {
+      border: 1px solid;
+  }
+}
+
+#changelist-filter h2 {
+    font-size: 0.875rem;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+    padding: 5px 15px;
+    margin-bottom: 12px;
+    border-bottom: none;
+}
+
+#changelist-filter h3,
+#changelist-filter details summary {
+    font-weight: 400;
+    padding: 0 15px;
+    margin-bottom: 10px;
+}
+
+#changelist-filter details summary > * {
+    display: inline;
+}
+
+#changelist-filter details > summary {
+    list-style-type: none;
+}
+
+#changelist-filter details > summary::-webkit-details-marker {
+    display: none;
+}
+
+#changelist-filter details > summary::before {
+    content: '→';
+    font-weight: bold;
+    color: var(--link-hover-color);
+}
+
+#changelist-filter details[open] > summary::before {
+    content: '↓';
+}
+
+#changelist-filter ul {
+    margin: 5px 0;
+    padding: 0 15px 15px;
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+#changelist-filter ul:last-child {
+    border-bottom: none;
+}
+
+#changelist-filter li {
+    list-style-type: none;
+    margin-left: 0;
+    padding-left: 0;
+}
+
+#changelist-filter a {
+    display: block;
+    color: var(--body-quiet-color);
+    word-break: break-word;
+}
+
+#changelist-filter li.selected {
+    border-left: 5px solid var(--hairline-color);
+    padding-left: 10px;
+    margin-left: -15px;
+}
+
+#changelist-filter li.selected a {
+    color: var(--link-selected-fg);
+}
+
+#changelist-filter a:focus, #changelist-filter a:hover,
+#changelist-filter li.selected a:focus,
+#changelist-filter li.selected a:hover {
+    color: var(--link-hover-color);
+}
+
+#changelist-filter #changelist-filter-extra-actions {
+    font-size: 0.8125rem;
+    margin-bottom: 10px;
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+/* DATE DRILLDOWN */
+
+.change-list .toplinks {
+    display: flex;
+    padding-bottom: 5px;
+    flex-wrap: wrap;
+    gap: 3px 17px;
+    font-weight: bold;
+}
+
+.change-list .toplinks a {
+    font-size: 0.8125rem;
+}
+
+.change-list .toplinks .date-back {
+    color: var(--body-quiet-color);
+}
+
+.change-list .toplinks .date-back:focus,
+.change-list .toplinks .date-back:hover {
+    color: var(--link-hover-color);
+}
+
+/* ACTIONS */
+
+.filtered .actions {
+    border-right: none;
+}
+
+#changelist table input {
+    margin: 0;
+    vertical-align: baseline;
+}
+
+/* Once the :has() pseudo-class is supported by all browsers, the tr.selected
+   selector and the JS adding the class can be removed. */
+#changelist tbody tr.selected {
+    background-color: var(--selected-row);
+}
+
+#changelist tbody tr:has(.action-select:checked) {
+    background-color: var(--selected-row);
+}
+
+@media (forced-colors: active) {
+    #changelist tbody tr.selected {
+        background-color: SelectedItem;
+    }
+    #changelist tbody tr:has(.action-select:checked) {
+        background-color: SelectedItem;
+    }
+}
+
+#changelist .actions {
+    padding: 10px;
+    background: var(--body-bg);
+    border-top: none;
+    border-bottom: none;
+    line-height: 1.5rem;
+    color: var(--body-quiet-color);
+    width: 100%;
+}
+
+#changelist .actions span.all,
+#changelist .actions span.action-counter,
+#changelist .actions span.clear,
+#changelist .actions span.question {
+    font-size: 0.8125rem;
+    margin: 0 0.5em;
+}
+
+#changelist .actions:last-child {
+    border-bottom: none;
+}
+
+#changelist .actions select {
+    vertical-align: top;
+    height: 1.5rem;
+    color: var(--body-fg);
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+    font-size: 0.875rem;
+    padding: 0 0 0 4px;
+    margin: 0;
+    margin-left: 10px;
+}
+
+#changelist .actions select:focus {
+    border-color: var(--body-quiet-color);
+}
+
+#changelist .actions label {
+    display: inline-block;
+    vertical-align: middle;
+    font-size: 0.8125rem;
+}
+
+#changelist .actions .button {
+    font-size: 0.8125rem;
+    border: 1px solid var(--border-color);
+    border-radius: 4px;
+    background: var(--body-bg);
+    box-shadow: 0 -15px 20px -10px rgba(0, 0, 0, 0.15) inset;
+    cursor: pointer;
+    height: 1.5rem;
+    line-height: 1;
+    padding: 4px 8px;
+    margin: 0;
+    color: var(--body-fg);
+}
+
+#changelist .actions .button:focus, #changelist .actions .button:hover {
+    border-color: var(--body-quiet-color);
+}

src/static/admin/css/dark_mode.css

@@ -0,0 +1,130 @@
+@media (prefers-color-scheme: dark) {
+    :root {
+      --primary: #264b5d;
+      --primary-fg: #f7f7f7;
+  
+      --body-fg: #eeeeee;
+      --body-bg: #121212;
+      --body-quiet-color: #d0d0d0;
+      --body-medium-color: #e0e0e0;
+      --body-loud-color: #ffffff;
+  
+      --breadcrumbs-link-fg: #e0e0e0;
+      --breadcrumbs-bg: var(--primary);
+  
+      --link-fg: #81d4fa;
+      --link-hover-color: #4ac1f7;
+      --link-selected-fg: #6f94c6;
+  
+      --hairline-color: #272727;
+      --border-color: #353535;
+  
+      --error-fg: #e35f5f;
+      --message-success-bg: #006b1b;
+      --message-warning-bg: #583305;
+      --message-error-bg: #570808;
+  
+      --darkened-bg: #212121;
+      --selected-bg: #1b1b1b;
+      --selected-row: #00363a;
+  
+      --close-button-bg: #333333;
+      --close-button-hover-bg: #666666;
+
+      color-scheme: dark;
+    }
+  }
+
+
+html[data-theme="dark"] {
+    --primary: #264b5d;
+    --primary-fg: #f7f7f7;
+
+    --body-fg: #eeeeee;
+    --body-bg: #121212;
+    --body-quiet-color: #d0d0d0;
+    --body-medium-color: #e0e0e0;
+    --body-loud-color: #ffffff;
+
+    --breadcrumbs-link-fg: #e0e0e0;
+    --breadcrumbs-bg: var(--primary);
+
+    --link-fg: #81d4fa;
+    --link-hover-color: #4ac1f7;
+    --link-selected-fg: #6f94c6;
+
+    --hairline-color: #272727;
+    --border-color: #353535;
+
+    --error-fg: #e35f5f;
+    --message-success-bg: #006b1b;
+    --message-warning-bg: #583305;
+    --message-error-bg: #570808;
+
+    --darkened-bg: #212121;
+    --selected-bg: #1b1b1b;
+    --selected-row: #00363a;
+
+    --close-button-bg: #333333;
+    --close-button-hover-bg: #666666;
+
+    color-scheme: dark;
+}
+
+/* THEME SWITCH */
+.theme-toggle {
+    cursor: pointer;
+    border: none;
+    padding: 0;
+    background: transparent;
+    vertical-align: middle;
+    margin-inline-start: 5px;
+    margin-top: -1px;
+}
+
+.theme-toggle svg {
+    vertical-align: middle;
+    height: 1rem;
+    width: 1rem;
+    display: none;
+}
+
+/*
+Fully hide screen reader text so we only show the one matching the current
+theme.
+*/
+.theme-toggle .visually-hidden {
+    display: none;
+}
+
+html[data-theme="auto"] .theme-toggle .theme-label-when-auto {
+    display: block;
+}
+
+html[data-theme="dark"] .theme-toggle .theme-label-when-dark {
+    display: block;
+}
+
+html[data-theme="light"] .theme-toggle .theme-label-when-light {
+    display: block;
+}
+
+/* ICONS */
+.theme-toggle svg.theme-icon-when-auto,
+.theme-toggle svg.theme-icon-when-dark,
+.theme-toggle svg.theme-icon-when-light {
+    fill: var(--header-link-color);
+    color: var(--header-bg);
+}
+
+html[data-theme="auto"] .theme-toggle svg.theme-icon-when-auto {
+    display: block;
+}
+
+html[data-theme="dark"] .theme-toggle svg.theme-icon-when-dark {
+    display: block;
+}
+
+html[data-theme="light"] .theme-toggle svg.theme-icon-when-light {
+    display: block;
+}

src/static/admin/css/dashboard.css

@@ -0,0 +1,29 @@
+/* DASHBOARD */
+.dashboard td, .dashboard th {
+    word-break: break-word;
+}
+
+.dashboard .module table th {
+    width: 100%;
+}
+
+.dashboard .module table td {
+    white-space: nowrap;
+}
+
+.dashboard .module table td a {
+    display: block;
+    padding-right: .6em;
+}
+
+/* RECENT ACTIONS MODULE */
+
+.module ul.actionlist {
+    margin-left: 0;
+}
+
+ul.actionlist li {
+    list-style-type: none;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}

src/static/admin/css/forms.css

@@ -0,0 +1,512 @@
+@import url('widgets.css');
+
+/* FORM ROWS */
+
+.form-row {
+    overflow: hidden;
+    padding: 10px;
+    font-size: 0.8125rem;
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+.form-row img, .form-row input {
+    vertical-align: middle;
+}
+
+.form-row label input[type="checkbox"] {
+    margin-top: 0;
+    vertical-align: 0;
+}
+
+form .form-row p {
+    padding-left: 0;
+}
+
+.flex-container {
+    display: flex;
+}
+
+.form-multiline {
+    flex-wrap: wrap;
+}
+
+.form-multiline > div {
+    padding-bottom: 10px;
+}
+
+/* FORM LABELS */
+
+label {
+    font-weight: normal;
+    color: var(--body-quiet-color);
+    font-size: 0.8125rem;
+}
+
+.required label, label.required {
+    font-weight: bold;
+}
+
+/* RADIO BUTTONS */
+
+form div.radiolist div {
+    padding-right: 7px;
+}
+
+form div.radiolist.inline div {
+    display: inline-block;
+}
+
+form div.radiolist label {
+    width: auto;
+}
+
+form div.radiolist input[type="radio"] {
+    margin: -2px 4px 0 0;
+    padding: 0;
+}
+
+form ul.inline {
+    margin-left: 0;
+    padding: 0;
+}
+
+form ul.inline li {
+    float: left;
+    padding-right: 7px;
+}
+
+/* FIELDSETS */
+
+fieldset .fieldset-heading,
+fieldset .inline-heading,
+:not(.inline-related) .collapse summary {
+    border: 1px solid var(--header-bg);
+    margin: 0;
+    padding: 8px;
+    font-weight: 400;
+    font-size: 0.8125rem;
+    background: var(--header-bg);
+    color: var(--header-link-color);
+}
+
+/* ALIGNED FIELDSETS */
+
+.aligned label {
+    display: block;
+    padding: 4px 10px 0 0;
+    min-width: 160px;
+    width: 160px;
+    word-wrap: break-word;
+}
+
+.aligned label:not(.vCheckboxLabel):after {
+    content: '';
+    display: inline-block;
+    vertical-align: middle;
+}
+
+.aligned label + p, .aligned .checkbox-row + div.help, .aligned label + div.readonly {
+    padding: 6px 0;
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 0;
+    overflow-wrap: break-word;
+}
+
+.aligned ul label {
+    display: inline;
+    float: none;
+    width: auto;
+}
+
+.aligned .form-row input {
+    margin-bottom: 0;
+}
+
+.colMS .aligned .vLargeTextField, .colMS .aligned .vXMLLargeTextField {
+    width: 350px;
+}
+
+form .aligned ul {
+    margin-left: 160px;
+    padding-left: 10px;
+}
+
+form .aligned div.radiolist {
+    display: inline-block;
+    margin: 0;
+    padding: 0;
+}
+
+form .aligned p.help,
+form .aligned div.help {
+    margin-top: 0;
+    margin-left: 160px;
+    padding-left: 10px;
+}
+
+form .aligned p.date div.help.timezonewarning,
+form .aligned p.datetime div.help.timezonewarning,
+form .aligned p.time div.help.timezonewarning {
+    margin-left: 0;
+    padding-left: 0;
+    font-weight: normal;
+}
+
+form .aligned p.help:last-child,
+form .aligned div.help:last-child {
+    margin-bottom: 0;
+    padding-bottom: 0;
+}
+
+form .aligned input + p.help,
+form .aligned textarea + p.help,
+form .aligned select + p.help,
+form .aligned input + div.help,
+form .aligned textarea + div.help,
+form .aligned select + div.help {
+    margin-left: 160px;
+    padding-left: 10px;
+}
+
+form .aligned select option:checked {
+    background-color: var(--selected-row);
+}
+
+form .aligned ul li {
+    list-style: none;
+}
+
+form .aligned table p {
+    margin-left: 0;
+    padding-left: 0;
+}
+
+.aligned .vCheckboxLabel {
+    padding: 1px 0 0 5px;
+}
+
+.aligned .vCheckboxLabel + p.help,
+.aligned .vCheckboxLabel + div.help {
+    margin-top: -4px;
+}
+
+.colM .aligned .vLargeTextField, .colM .aligned .vXMLLargeTextField {
+    width: 610px;
+}
+
+fieldset .fieldBox {
+    margin-right: 20px;
+}
+
+/* WIDE FIELDSETS */
+
+.wide label {
+    width: 200px;
+}
+
+form .wide p.help,
+form .wide ul.errorlist,
+form .wide div.help {
+    padding-left: 50px;
+}
+
+form div.help ul {
+    padding-left: 0;
+    margin-left: 0;
+}
+
+.colM fieldset.wide .vLargeTextField, .colM fieldset.wide .vXMLLargeTextField {
+    width: 450px;
+}
+
+/* COLLAPSIBLE FIELDSETS */
+
+.collapse summary .fieldset-heading,
+.collapse summary .inline-heading {
+    background: transparent;
+    border: none;
+    color: currentColor;
+    display: inline;
+    margin: 0;
+    padding: 0;
+}
+
+/* MONOSPACE TEXTAREAS */
+
+fieldset.monospace textarea {
+    font-family: var(--font-family-monospace);
+}
+
+/* SUBMIT ROW */
+
+.submit-row {
+    padding: 12px 14px 12px;
+    margin: 0 0 20px;
+    background: var(--darkened-bg);
+    border: 1px solid var(--hairline-color);
+    border-radius: 4px;
+    overflow: hidden;
+    display: flex;
+    gap: 10px;
+    flex-wrap: wrap;
+}
+
+body.popup .submit-row {
+    overflow: auto;
+}
+
+.submit-row input {
+    height: 2.1875rem;
+    line-height: 0.9375rem;
+}
+
+.submit-row input, .submit-row a {
+    margin: 0;
+}
+
+.submit-row input.default {
+    text-transform: uppercase;
+}
+
+.submit-row a.deletelink {
+    margin-left: auto;
+}
+
+.submit-row a.deletelink {
+    display: block;
+    background: var(--delete-button-bg);
+    border-radius: 4px;
+    padding: 0.625rem 0.9375rem;
+    height: 0.9375rem;
+    line-height: 0.9375rem;
+    color: var(--button-fg);
+}
+
+.submit-row a.closelink {
+    display: inline-block;
+    background: var(--close-button-bg);
+    border-radius: 4px;
+    padding: 10px 15px;
+    height: 0.9375rem;
+    line-height: 0.9375rem;
+    color: var(--button-fg);
+}
+
+.submit-row a.deletelink:focus,
+.submit-row a.deletelink:hover,
+.submit-row a.deletelink:active {
+    background: var(--delete-button-hover-bg);
+    text-decoration: none;
+}
+
+.submit-row a.closelink:focus,
+.submit-row a.closelink:hover,
+.submit-row a.closelink:active {
+    background: var(--close-button-hover-bg);
+    text-decoration: none;
+}
+
+/* CUSTOM FORM FIELDS */
+
+.vSelectMultipleField {
+    vertical-align: top;
+}
+
+.vCheckboxField {
+    border: none;
+}
+
+.vDateField, .vTimeField {
+    margin-right: 2px;
+    margin-bottom: 4px;
+}
+
+.vDateField {
+    min-width: 6.85em;
+}
+
+.vTimeField {
+    min-width: 4.7em;
+}
+
+.vURLField {
+    width: 30em;
+}
+
+.vLargeTextField, .vXMLLargeTextField {
+    width: 48em;
+}
+
+.flatpages-flatpage #id_content {
+    height: 40.2em;
+}
+
+.module table .vPositiveSmallIntegerField {
+    width: 2.2em;
+}
+
+.vIntegerField {
+    width: 5em;
+}
+
+.vBigIntegerField {
+    width: 10em;
+}
+
+.vForeignKeyRawIdAdminField {
+    width: 5em;
+}
+
+.vTextField, .vUUIDField {
+    width: 20em;
+}
+
+/* INLINES */
+
+.inline-group {
+    padding: 0;
+    margin: 0 0 30px;
+}
+
+.inline-group thead th {
+    padding: 8px 10px;
+}
+
+.inline-group .aligned label {
+    width: 160px;
+}
+
+.inline-related {
+    position: relative;
+}
+
+.inline-related h4,
+.inline-related:not(.tabular) .collapse summary {
+    margin: 0;
+    color: var(--body-medium-color);
+    padding: 5px;
+    font-size: 0.8125rem;
+    background: var(--darkened-bg);
+    border: 1px solid var(--hairline-color);
+    border-left-color: var(--darkened-bg);
+    border-right-color: var(--darkened-bg);
+}
+
+.inline-related h3 span.delete {
+    float: right;
+}
+
+.inline-related h3 span.delete label {
+    margin-left: 2px;
+    font-size: 0.6875rem;
+}
+
+.inline-related fieldset {
+    margin: 0;
+    background: var(--body-bg);
+    border: none;
+    width: 100%;
+}
+
+.inline-group .tabular fieldset.module {
+    border: none;
+}
+
+.inline-related.tabular fieldset.module table {
+    width: 100%;
+    overflow-x: scroll;
+}
+
+.last-related fieldset {
+    border: none;
+}
+
+.inline-group .tabular tr.has_original td {
+    padding-top: 2em;
+}
+
+.inline-group .tabular tr td.original {
+    padding: 2px 0 0 0;
+    width: 0;
+    _position: relative;
+}
+
+.inline-group .tabular th.original {
+    width: 0px;
+    padding: 0;
+}
+
+.inline-group .tabular td.original p {
+    position: absolute;
+    left: 0;
+    height: 1.1em;
+    padding: 2px 9px;
+    overflow: hidden;
+    font-size: 0.5625rem;
+    font-weight: bold;
+    color: var(--body-quiet-color);
+    _width: 700px;
+}
+
+.inline-group ul.tools {
+    padding: 0;
+    margin: 0;
+    list-style: none;
+}
+
+.inline-group ul.tools li {
+    display: inline;
+    padding: 0 5px;
+}
+
+.inline-group div.add-row,
+.inline-group .tabular tr.add-row td {
+    color: var(--body-quiet-color);
+    background: var(--darkened-bg);
+    padding: 8px 10px;
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+.inline-group .tabular tr.add-row td {
+    padding: 8px 10px;
+    border-bottom: 1px solid var(--hairline-color);
+}
+
+.inline-group ul.tools a.add,
+.inline-group div.add-row a,
+.inline-group .tabular tr.add-row td a {
+    background: url(../img/icon-addlink.svg) 0 1px no-repeat;
+    padding-left: 16px;
+    font-size: 0.75rem;
+}
+
+.empty-form {
+    display: none;
+}
+
+/* RELATED FIELD ADD ONE / LOOKUP */
+
+.related-lookup {
+    margin-left: 5px;
+    display: inline-block;
+    vertical-align: middle;
+    background-repeat: no-repeat;
+    background-size: 14px;
+}
+
+.related-lookup {
+    width: 1rem;
+    height: 1rem;
+    background-image: url(../img/search.svg);
+}
+
+form .related-widget-wrapper ul {
+    display: inline-block;
+    margin-left: 0;
+    padding-left: 0;
+}
+
+.clearable-file-input input {
+    margin-top: 0;
+}

src/static/admin/css/login.css

@@ -0,0 +1,61 @@
+/* LOGIN FORM */
+
+.login {
+    background: var(--darkened-bg);
+    height: auto;
+}
+
+.login #header {
+    height: auto;
+    padding: 15px 16px;
+    justify-content: center;
+}
+
+.login #header h1 {
+    font-size: 1.125rem;
+    margin: 0;
+}
+
+.login #header h1 a {
+    color: var(--header-link-color);
+}
+
+.login #content {
+    padding: 20px;
+}
+
+.login #container {
+    background: var(--body-bg);
+    border: 1px solid var(--hairline-color);
+    border-radius: 4px;
+    overflow: hidden;
+    width: 28em;
+    min-width: 300px;
+    margin: 100px auto;
+    height: auto;
+}
+
+.login .form-row {
+    padding: 4px 0;
+}
+
+.login .form-row label {
+    display: block;
+    line-height: 2em;
+}
+
+.login .form-row #id_username, .login .form-row #id_password {
+    padding: 8px;
+    width: 100%;
+    box-sizing: border-box;
+}
+
+.login .submit-row {
+    padding: 1em 0 0 0;
+    margin: 0;
+    text-align: center;
+}
+
+.login .password-reset-link {
+    text-align: center;
+}

src/static/admin/css/nav_sidebar.css

@@ -0,0 +1,150 @@
+.sticky {
+    position: sticky;
+    top: 0;
+    max-height: 100vh;
+}
+
+.toggle-nav-sidebar {
+    z-index: 20;
+    left: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex: 0 0 23px;
+    width: 23px;
+    border: 0;
+    border-right: 1px solid var(--hairline-color);
+    background-color: var(--body-bg);
+    cursor: pointer;
+    font-size: 1.25rem;
+    color: var(--link-fg);
+    padding: 0;
+}
+
+[dir="rtl"] .toggle-nav-sidebar {
+    border-left: 1px solid var(--hairline-color);
+    border-right: 0;
+}
+
+.toggle-nav-sidebar:hover,
+.toggle-nav-sidebar:focus {
+    background-color: var(--darkened-bg);
+}
+
+#nav-sidebar {
+    z-index: 15;
+    flex: 0 0 275px;
+    left: -276px;
+    margin-left: -276px;
+    border-top: 1px solid transparent;
+    border-right: 1px solid var(--hairline-color);
+    background-color: var(--body-bg);
+    overflow: auto;
+}
+
+[dir="rtl"] #nav-sidebar {
+    border-left: 1px solid var(--hairline-color);
+    border-right: 0;
+    left: 0;
+    margin-left: 0;
+    right: -276px;
+    margin-right: -276px;
+}
+
+.toggle-nav-sidebar::before {
+    content: '\00BB';
+}
+
+.main.shifted .toggle-nav-sidebar::before {
+    content: '\00AB';
+}
+
+.main > #nav-sidebar {
+    visibility: hidden;
+}
+
+.main.shifted > #nav-sidebar {
+    margin-left: 0;
+    visibility: visible;
+}
+
+[dir="rtl"] .main.shifted > #nav-sidebar {
+    margin-right: 0;
+}
+
+#nav-sidebar .module th {
+    width: 100%;
+    overflow-wrap: anywhere;
+}
+
+#nav-sidebar .module th,
+#nav-sidebar .module caption {
+    padding-left: 16px;
+}
+
+#nav-sidebar .module td {
+    white-space: nowrap;
+}
+
+[dir="rtl"] #nav-sidebar .module th,
+[dir="rtl"] #nav-sidebar .module caption {
+    padding-left: 8px;
+    padding-right: 16px;
+}
+
+#nav-sidebar .current-app .section:link,
+#nav-sidebar .current-app .section:visited {
+    color: var(--header-color);
+    font-weight: bold;
+}
+
+#nav-sidebar .current-model {
+    background: var(--selected-row);
+}
+
+@media (forced-colors: active) {
+    #nav-sidebar .current-model {
+        background-color: SelectedItem;
+    }
+}
+
+.main > #nav-sidebar + .content {
+    max-width: calc(100% - 23px);
+}
+
+.main.shifted > #nav-sidebar + .content {
+    max-width: calc(100% - 299px);
+}
+
+@media (max-width: 767px) {
+    #nav-sidebar, #toggle-nav-sidebar {
+        display: none;
+    }
+
+    .main > #nav-sidebar + .content,
+    .main.shifted > #nav-sidebar + .content {
+        max-width: 100%;
+    }
+}
+
+#nav-filter {
+    width: 100%;
+    box-sizing: border-box;
+    padding: 2px 5px;
+    margin: 5px 0;
+    border: 1px solid var(--border-color);
+    background-color: var(--darkened-bg);
+    color: var(--body-fg);
+}
+
+#nav-filter:focus {
+    border-color: var(--body-quiet-color);
+}
+
+#nav-filter.no-results {
+    background: var(--message-error-bg);
+}
+
+#nav-sidebar table {
+    width: 100%;
+}

src/static/admin/css/responsive.css

@@ -0,0 +1,967 @@
+/* Tablets */
+
+input[type="submit"], button {
+    -webkit-appearance: none;
+    appearance: none;
+}
+
+@media (max-width: 1024px) {
+    /* Basic */
+
+    html {
+        -webkit-text-size-adjust: 100%;
+    }
+
+    td, th {
+        padding: 10px;
+        font-size: 0.875rem;
+    }
+
+    .small {
+        font-size: 0.75rem;
+    }
+
+    /* Layout */
+
+    #container {
+        min-width: 0;
+    }
+
+    #content {
+        padding: 15px 20px 20px;
+    }
+
+    div.breadcrumbs {
+        padding: 10px 30px;
+    }
+
+    /* Header */
+
+    #header {
+        flex-direction: column;
+        padding: 15px 30px;
+        justify-content: flex-start;
+    }
+
+    #site-name {
+        margin: 0 0 8px;
+        line-height: 1.2;
+    }
+
+    #user-tools {
+        margin: 0;
+        font-weight: 400;
+        line-height: 1.85;
+        text-align: left;
+    }
+
+    #user-tools a {
+        display: inline-block;
+        line-height: 1.4;
+    }
+
+    /* Dashboard */
+
+    .dashboard #content {
+        width: auto;
+    }
+
+    #content-related {
+        margin-right: -290px;
+    }
+
+    .colSM #content-related {
+        margin-left: -290px;
+    }
+
+    .colMS {
+        margin-right: 290px;
+    }
+
+    .colSM {
+        margin-left: 290px;
+    }
+
+    .dashboard .module table td a {
+        padding-right: 0;
+    }
+
+    td .changelink, td .addlink {
+        font-size: 0.8125rem;
+    }
+
+    /* Changelist */
+
+    #toolbar {
+        border: none;
+        padding: 15px;
+    }
+
+    #changelist-search > div {
+        display: flex;
+        flex-wrap: nowrap;
+        max-width: 480px;
+    }
+
+    #changelist-search label {
+        line-height: 1.375rem;
+    }
+
+    #toolbar form #searchbar {
+        flex: 1 0 auto;
+        width: 0;
+        height: 1.375rem;
+        margin: 0 10px 0 6px;
+    }
+
+    #toolbar form input[type=submit] {
+        flex: 0 1 auto;
+    }
+
+    #changelist-search .quiet {
+        width: 0;
+        flex: 1 0 auto;
+        margin: 5px 0 0 25px;
+    }
+
+    #changelist .actions {
+        display: flex;
+        flex-wrap: wrap;
+        padding: 15px 0;
+    }
+
+    #changelist .actions label {
+        display: flex;
+    }
+
+    #changelist .actions select {
+        background: var(--body-bg);
+    }
+
+    #changelist .actions .button {
+        min-width: 48px;
+        margin: 0 10px;
+    }
+
+    #changelist .actions span.all,
+    #changelist .actions span.clear,
+    #changelist .actions span.question,
+    #changelist .actions span.action-counter {
+        font-size: 0.6875rem;
+        margin: 0 10px 0 0;
+    }
+
+    #changelist-filter {
+        flex-basis: 200px;
+    }
+
+    .change-list .filtered .results,
+    .change-list .filtered .paginator,
+    .filtered #toolbar,
+    .filtered .actions,
+
+    #changelist .paginator {
+        border-top-color: var(--hairline-color); /* XXX Is this used at all? */
+    }
+
+    #changelist .results + .paginator {
+        border-top: none;
+    }
+
+    /* Forms */
+
+    label {
+        font-size: 1rem;
+    }
+
+    /*
+    Minifiers remove the default (text) "type" attribute from "input" HTML
+    tags. Add input:not([type]) to make the CSS stylesheet work the same.
+    */
+    .form-row input:not([type]),
+    .form-row input[type=text],
+    .form-row input[type=password],
+    .form-row input[type=email],
+    .form-row input[type=url],
+    .form-row input[type=tel],
+    .form-row input[type=number],
+    .form-row textarea,
+    .form-row select,
+    .form-row .vTextField {
+        box-sizing: border-box;
+        margin: 0;
+        padding: 6px 8px;
+        min-height: 2.25rem;
+        font-size: 1rem;
+    }
+
+    .form-row select {
+        height: 2.25rem;
+    }
+
+    .form-row select[multiple] {
+        height: auto;
+        min-height: 0;
+    }
+
+    fieldset .fieldBox + .fieldBox {
+        margin-top: 10px;
+        padding-top: 10px;
+        border-top: 1px solid var(--hairline-color);
+    }
+
+    textarea {
+        max-width: 100%;
+        max-height: 120px;
+    }
+
+    .aligned label {
+        padding-top: 6px;
+    }
+
+    .aligned .related-lookup,
+    .aligned .datetimeshortcuts,
+    .aligned .related-lookup + strong {
+        align-self: center;
+        margin-left: 15px;
+    }
+
+    form .aligned div.radiolist {
+        margin-left: 2px;
+    }
+
+    .submit-row {
+        padding: 8px;
+    }
+
+    .submit-row a.deletelink {
+        padding: 10px 7px;
+    }
+
+    .button, input[type=submit], input[type=button], .submit-row input, a.button {
+        padding: 7px;
+    }
+
+    /* Selector */
+
+    .selector {
+        display: flex;
+        width: 100%;
+    }
+
+    .selector .selector-filter {
+        display: flex;
+        align-items: center;
+    }
+
+    .selector .selector-filter label {
+        margin: 0 8px 0 0;
+    }
+
+    .selector .selector-filter input {
+        width: 100%;
+        min-height: 0;
+        flex: 1 1;
+    }
+
+    .selector-available, .selector-chosen {
+        width: auto;
+        flex: 1 1;
+        display: flex;
+        flex-direction: column;
+    }
+
+    .selector select {
+        width: 100%;
+        flex: 1 0 auto;
+        margin-bottom: 5px;
+    }
+
+    .selector ul.selector-chooser {
+        width: 26px;
+        height: 52px;
+        padding: 2px 0;
+        border-radius: 20px;
+        transform: translateY(-10px);
+    }
+
+    .selector-add, .selector-remove {
+        width: 20px;
+        height: 20px;
+        background-size: 20px auto;
+    }
+
+    .selector-add {
+        background-position: 0 -120px;
+    }
+
+    .selector-remove {
+        background-position: 0 -80px;
+    }
+
+    a.selector-chooseall, a.selector-clearall {
+        align-self: center;
+    }
+
+    .stacked {
+        flex-direction: column;
+        max-width: 480px;
+    }
+
+    .stacked > * {
+        flex: 0 1 auto;
+    }
+
+    .stacked select {
+        margin-bottom: 0;
+    }
+
+    .stacked .selector-available, .stacked .selector-chosen {
+        width: auto;
+    }
+
+    .stacked ul.selector-chooser {
+        width: 52px;
+        height: 26px;
+        padding: 0 2px;
+        transform: none;
+    }
+
+    .stacked .selector-chooser li {
+        padding: 3px;
+    }
+
+    .stacked .selector-add, .stacked .selector-remove {
+        background-size: 20px auto;
+    }
+
+    .stacked .selector-add {
+        background-position: 0 -40px;
+    }
+
+    .stacked .active.selector-add {
+        background-position: 0 -40px;
+    }
+
+    .active.selector-add:focus, .active.selector-add:hover {
+        background-position: 0 -140px;
+    }
+
+    .stacked .active.selector-add:focus, .stacked .active.selector-add:hover {
+        background-position: 0 -60px;
+    }
+
+    .stacked .selector-remove {
+        background-position: 0 0;
+    }
+
+    .stacked .active.selector-remove {
+        background-position: 0 0;
+    }
+
+    .active.selector-remove:focus, .active.selector-remove:hover {
+        background-position: 0 -100px;
+    }
+
+    .stacked .active.selector-remove:focus, .stacked .active.selector-remove:hover {
+        background-position: 0 -20px;
+    }
+
+    .help-tooltip, .selector .help-icon {
+        display: none;
+    }
+
+    .datetime input {
+        width: 50%;
+        max-width: 120px;
+    }
+
+    .datetime span {
+        font-size: 0.8125rem;
+    }
+
+    .datetime .timezonewarning {
+        display: block;
+        font-size: 0.6875rem;
+        color: var(--body-quiet-color);
+    }
+
+    .datetimeshortcuts {
+        color: var(--border-color); /* XXX Redundant, .datetime span also sets #ccc */
+    }
+
+    .form-row .datetime input.vDateField, .form-row .datetime input.vTimeField {
+        width: 75%;
+    }
+
+    .inline-group {
+        overflow: auto;
+    }
+
+    /* Messages */
+
+    ul.messagelist li {
+        padding-left: 55px;
+        background-position: 30px 12px;
+    }
+
+    ul.messagelist li.error {
+        background-position: 30px 12px;
+    }
+
+    ul.messagelist li.warning {
+        background-position: 30px 14px;
+    }
+
+    /* Login */
+
+    .login #header {
+        padding: 15px 20px;
+    }
+
+    .login #site-name {
+        margin: 0;
+    }
+
+    /* GIS */
+
+    div.olMap {
+        max-width: calc(100vw - 30px);
+        max-height: 300px;
+    }
+
+    .olMap + .clear_features {
+        display: block;
+        margin-top: 10px;
+    }
+
+    /* Docs */
+
+    .module table.xfull {
+        width: 100%;
+    }
+
+    pre.literal-block {
+        overflow: auto;
+    }
+}
+
+/* Mobile */
+
+@media (max-width: 767px) {
+    /* Layout */
+
+    #header, #content {
+        padding: 15px;
+    }
+
+    div.breadcrumbs {
+        padding: 10px 15px;
+    }
+
+    /* Dashboard */
+
+    .colMS, .colSM {
+        margin: 0;
+    }
+
+    #content-related, .colSM #content-related {
+        width: 100%;
+        margin: 0;
+    }
+
+    #content-related .module {
+        margin-bottom: 0;
+    }
+
+    #content-related .module h2 {
+        padding: 10px 15px;
+        font-size: 1rem;
+    }
+
+    /* Changelist */
+
+    #changelist {
+        align-items: stretch;
+        flex-direction: column;
+    }
+
+    #toolbar {
+        padding: 10px;
+    }
+
+    #changelist-filter {
+        margin-left: 0;
+    }
+
+    #changelist .actions label {
+        flex: 1 1;
+    }
+
+    #changelist .actions select {
+        flex: 1 0;
+        width: 100%;
+    }
+
+    #changelist .actions span {
+        flex: 1 0 100%;
+    }
+
+    #changelist-filter {
+        position: static;
+        width: auto;
+        margin-top: 30px;
+    }
+
+    .object-tools {
+        float: none;
+        margin: 0 0 15px;
+        padding: 0;
+        overflow: hidden;
+    }
+
+    .object-tools li {
+        height: auto;
+        margin-left: 0;
+    }
+
+    .object-tools li + li {
+        margin-left: 15px;
+    }
+
+    /* Forms */
+
+    .form-row {
+        padding: 15px 0;
+    }
+
+    .aligned .form-row,
+    .aligned .form-row > div {
+        max-width: 100vw;
+    }
+
+    .aligned .form-row > div {
+        width: calc(100vw - 30px);
+    }
+
+    .flex-container {
+        flex-flow: column;
+    }
+
+    .flex-container.checkbox-row {
+        flex-flow: row;
+    }
+
+    textarea {
+        max-width: none;
+    }
+
+    .vURLField {
+        width: auto;
+    }
+
+    fieldset .fieldBox + .fieldBox {
+        margin-top: 15px;
+        padding-top: 15px;
+    }
+
+    .aligned label {
+        width: 100%;
+        min-width: auto;
+        padding: 0 0 10px;
+    }
+
+    .aligned label:after {
+        max-height: 0;
+    }
+
+    .aligned .form-row input,
+    .aligned .form-row select,
+    .aligned .form-row textarea {
+        flex: 1 1 auto;
+        max-width: 100%;
+    }
+
+    .aligned .checkbox-row input {
+        flex: 0 1 auto;
+        margin: 0;
+    }
+
+    .aligned .vCheckboxLabel {
+        flex: 1 0;
+        padding: 1px 0 0 5px;
+    }
+
+    .aligned label + p,
+    .aligned label + div.help,
+    .aligned label + div.readonly {
+        padding: 0;
+        margin-left: 0;
+    }
+
+    .aligned p.file-upload {
+        font-size: 0.8125rem;
+    }
+
+    span.clearable-file-input {
+        margin-left: 15px;
+    }
+
+    span.clearable-file-input label {
+        font-size: 0.8125rem;
+        padding-bottom: 0;
+    }
+
+    .aligned .timezonewarning {
+        flex: 1 0 100%;
+        margin-top: 5px;
+    }
+
+    form .aligned .form-row div.help {
+        width: 100%;
+        margin: 5px 0 0;
+        padding: 0;
+    }
+
+    form .aligned ul,
+    form .aligned ul.errorlist {
+        margin-left: 0;
+        padding-left: 0;
+    }
+
+    form .aligned div.radiolist {
+        margin-top: 5px;
+        margin-right: 15px;
+        margin-bottom: -3px;
+    }
+
+    form .aligned div.radiolist:not(.inline) div + div {
+        margin-top: 5px;
+    }
+
+    /* Related widget */
+
+    .related-widget-wrapper {
+        width: 100%;
+        display: flex;
+        align-items: flex-start;
+    }
+
+    .related-widget-wrapper .selector {
+        order: 1;
+    }
+
+    .related-widget-wrapper > a {
+        order: 2;
+    }
+
+    .related-widget-wrapper .radiolist ~ a {
+        align-self: flex-end;
+    }
+
+    .related-widget-wrapper > select ~ a {
+        align-self: center;
+    }
+
+    /* Selector */
+
+    .selector {
+        flex-direction: column;
+        gap: 10px 0;
+    }
+
+    .selector-available, .selector-chosen {
+        flex: 1 1 auto;
+    }
+
+    .selector select {
+        max-height: 96px;
+    }
+
+    .selector ul.selector-chooser {
+        display: block;
+        width: 52px;
+        height: 26px;
+        padding: 0 2px;
+        transform: none;
+    }
+
+    .selector ul.selector-chooser li {
+        float: left;
+    }
+
+    .selector-remove {
+        background-position: 0 0;
+    }
+
+    .active.selector-remove:focus, .active.selector-remove:hover {
+        background-position: 0 -20px;
+    }
+
+    .selector-add  {
+        background-position: 0 -40px;
+    }
+
+    .active.selector-add:focus, .active.selector-add:hover {
+        background-position: 0 -60px;
+    }
+
+    /* Inlines */
+
+    .inline-group[data-inline-type="stacked"] .inline-related {
+        border: 1px solid var(--hairline-color);
+        border-radius: 4px;
+        margin-top: 15px;
+        overflow: auto;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related > * {
+        box-sizing: border-box;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related .module {
+        padding: 0 10px;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related .module .form-row {
+        border-top: 1px solid var(--hairline-color);
+        border-bottom: none;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related .module .form-row:first-child {
+        border-top: none;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related h3 {
+        padding: 10px;
+        border-top-width: 0;
+        border-bottom-width: 2px;
+        display: flex;
+        flex-wrap: wrap;
+        align-items: center;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related h3 .inline_label {
+        margin-right: auto;
+    }
+
+    .inline-group[data-inline-type="stacked"] .inline-related h3 span.delete {
+        float: none;
+        flex: 1 1 100%;
+        margin-top: 5px;
+    }
+
+    .inline-group[data-inline-type="stacked"] .aligned .form-row > div:not([class]) {
+        width: 100%;
+    }
+
+    .inline-group[data-inline-type="stacked"] .aligned label {
+        width: 100%;
+    }
+
+    .inline-group[data-inline-type="stacked"] div.add-row {
+        margin-top: 15px;
+        border: 1px solid var(--hairline-color);
+        border-radius: 4px;
+    }
+
+    .inline-group div.add-row,
+    .inline-group .tabular tr.add-row td {
+        padding: 0;
+    }
+
+    .inline-group div.add-row a,
+    .inline-group .tabular tr.add-row td a {
+        display: block;
+        padding: 8px 10px 8px 26px;
+        background-position: 8px 9px;
+    }
+
+    /* Submit row */
+
+    .submit-row {
+        padding: 10px;
+        margin: 0 0 15px;
+        flex-direction: column;
+        gap: 8px;
+    }
+
+    .submit-row input, .submit-row input.default, .submit-row a {
+        text-align: center;
+    }
+
+    .submit-row a.closelink {
+        padding: 10px 0;
+        text-align: center;
+    }
+
+    .submit-row a.deletelink {
+        margin: 0;
+    }
+
+    /* Messages */
+
+    ul.messagelist li {
+        padding-left: 40px;
+        background-position: 15px 12px;
+    }
+
+    ul.messagelist li.error {
+        background-position: 15px 12px;
+    }
+
+    ul.messagelist li.warning {
+        background-position: 15px 14px;
+    }
+
+    /* Paginator */
+
+    .paginator .this-page, .paginator a:link, .paginator a:visited {
+        padding: 4px 10px;
+    }
+
+    /* Login */
+
+    body.login {
+        padding: 0 15px;
+    }
+
+    .login #container {
+        width: auto;
+        max-width: 480px;
+        margin: 50px auto;
+    }
+
+    .login #header,
+    .login #content {
+        padding: 15px;
+    }
+
+    .login #content-main {
+        float: none;
+    }
+
+    .login .form-row {
+        padding: 0;
+    }
+
+    .login .form-row + .form-row {
+        margin-top: 15px;
+    }
+
+    .login .form-row label {
+        margin: 0 0 5px;
+        line-height: 1.2;
+    }
+
+    .login .submit-row {
+        padding: 15px 0 0;
+    }
+
+    .login br {
+        display: none;
+    }
+
+    .login .submit-row input {
+        margin: 0;
+        text-transform: uppercase;
+    }
+
+    .errornote {
+        margin: 0 0 20px;
+        padding: 8px 12px;
+        font-size: 0.8125rem;
+    }
+
+    /* Calendar and clock */
+
+    .calendarbox, .clockbox {
+        position: fixed !important;
+        top: 50% !important;
+        left: 50% !important;
+        transform: translate(-50%, -50%);
+        margin: 0;
+        border: none;
+        overflow: visible;
+    }
+
+    .calendarbox:before, .clockbox:before {
+        content: '';
+        position: fixed;
+        top: 50%;
+        left: 50%;
+        width: 100vw;
+        height: 100vh;
+        background: rgba(0, 0, 0, 0.75);
+        transform: translate(-50%, -50%);
+    }
+
+    .calendarbox > *, .clockbox > * {
+        position: relative;
+        z-index: 1;
+    }
+
+    .calendarbox > div:first-child {
+        z-index: 2;
+    }
+
+    .calendarbox .calendar, .clockbox h2 {
+        border-radius: 4px 4px 0 0;
+        overflow: hidden;
+    }
+
+    .calendarbox .calendar-cancel, .clockbox .calendar-cancel {
+        border-radius: 0 0 4px 4px;
+        overflow: hidden;
+    }
+
+    .calendar-shortcuts {
+        padding: 10px 0;
+        font-size: 0.75rem;
+        line-height: 0.75rem;
+    }
+
+    .calendar-shortcuts a {
+        margin: 0 4px;
+    }
+
+    .timelist a {
+        background: var(--body-bg);
+        padding: 4px;
+    }
+
+    .calendar-cancel {
+        padding: 8px 10px;
+    }
+
+    .clockbox h2 {
+        padding: 8px 15px;
+    }
+
+    .calendar caption {
+        padding: 10px;
+    }
+
+    .calendarbox .calendarnav-previous, .calendarbox .calendarnav-next {
+        z-index: 1;
+        top: 10px;
+    }
+
+    /* History */
+
+    table#change-history tbody th, table#change-history tbody td {
+        font-size: 0.8125rem;
+        word-break: break-word;
+    }
+
+    table#change-history tbody th {
+        width: auto;
+    }
+
+    /* Docs */
+
+    table.model tbody th, table.model tbody td {
+        font-size: 0.8125rem;
+        word-break: break-word;
+    }
+}

src/static/admin/css/responsive_rtl.css

@@ -0,0 +1,111 @@
+/* TABLETS */
+
+@media (max-width: 1024px) {
+    [dir="rtl"] .colMS {
+        margin-right: 0;
+    }
+
+    [dir="rtl"] #user-tools {
+        text-align: right;
+    }
+
+    [dir="rtl"] #changelist .actions label {
+        padding-left: 10px;
+        padding-right: 0;
+    }
+
+    [dir="rtl"] #changelist .actions select {
+        margin-left: 0;
+        margin-right: 15px;
+    }
+
+    [dir="rtl"] .change-list .filtered .results,
+    [dir="rtl"] .change-list .filtered .paginator,
+    [dir="rtl"] .filtered #toolbar,
+    [dir="rtl"] .filtered div.xfull,
+    [dir="rtl"] .filtered .actions,
+    [dir="rtl"] #changelist-filter {
+        margin-left: 0;
+    }
+
+    [dir="rtl"] .inline-group ul.tools a.add,
+    [dir="rtl"] .inline-group div.add-row a,
+    [dir="rtl"] .inline-group .tabular tr.add-row td a {
+        padding: 8px 26px 8px 10px;
+        background-position: calc(100% - 8px) 9px;
+    }
+
+    [dir="rtl"] .selector .selector-filter label {
+        margin-right: 0;
+        margin-left: 8px;
+    }
+
+    [dir="rtl"] .object-tools li {
+        float: right;
+    }
+
+    [dir="rtl"] .object-tools li + li {
+        margin-left: 0;
+        margin-right: 15px;
+    }
+
+    [dir="rtl"] .dashboard .module table td a {
+        padding-left: 0;
+        padding-right: 16px;
+    }
+
+    [dir="rtl"] .selector-add {
+        background-position: 0 -80px;
+    }
+
+    [dir="rtl"] .selector-remove {
+        background-position: 0 -120px;
+    }
+
+    [dir="rtl"] .active.selector-add:focus, .active.selector-add:hover {
+        background-position: 0 -100px;
+    }
+
+    [dir="rtl"] .active.selector-remove:focus, .active.selector-remove:hover {
+        background-position: 0 -140px;
+    }
+}
+
+/* MOBILE */
+
+@media (max-width: 767px) {
+    [dir="rtl"] .aligned .related-lookup,
+    [dir="rtl"] .aligned .datetimeshortcuts {
+        margin-left: 0;
+        margin-right: 15px;
+    }
+
+    [dir="rtl"] .aligned ul,
+    [dir="rtl"] form .aligned ul.errorlist {
+        margin-right: 0;
+    }
+
+    [dir="rtl"] #changelist-filter {
+        margin-left: 0;
+        margin-right: 0;
+    }
+    [dir="rtl"] .aligned .vCheckboxLabel {
+        padding: 1px 5px 0 0;
+    }
+
+    [dir="rtl"] .selector-remove {
+        background-position: 0 0;
+    }
+
+    [dir="rtl"] .active.selector-remove:focus, .active.selector-remove:hover {
+        background-position: 0 -20px;
+    }
+
+    [dir="rtl"] .selector-add  {
+        background-position: 0 -40px;
+    }
+
+    [dir="rtl"] .active.selector-add:focus, .active.selector-add:hover {
+        background-position: 0 -60px;
+    }
+}

src/static/admin/css/rtl.css

@@ -0,0 +1,291 @@
+/* GLOBAL */
+
+th {
+    text-align: right;
+}
+
+.module h2, .module caption {
+    text-align: right;
+}
+
+.module ul, .module ol {
+    margin-left: 0;
+    margin-right: 1.5em;
+}
+
+.viewlink, .addlink, .changelink, .hidelink {
+    padding-left: 0;
+    padding-right: 16px;
+    background-position: 100% 1px;
+}
+
+.deletelink {
+    padding-left: 0;
+    padding-right: 16px;
+    background-position: 100% 1px;
+}
+
+.object-tools {
+    float: left;
+}
+
+thead th:first-child,
+tfoot td:first-child {
+    border-left: none;
+}
+
+/* LAYOUT */
+
+#user-tools {
+    right: auto;
+    left: 0;
+    text-align: left;
+}
+
+div.breadcrumbs {
+    text-align: right;
+}
+
+#content-main {
+    float: right;
+}
+
+#content-related {
+    float: left;
+    margin-left: -300px;
+    margin-right: auto;
+}
+
+.colMS {
+    margin-left: 300px;
+    margin-right: 0;
+}
+
+/* SORTABLE TABLES */
+
+table thead th.sorted .sortoptions {
+   float: left;
+}
+
+thead th.sorted .text {
+    padding-right: 0;
+    padding-left: 42px;
+}
+
+/* dashboard styles */
+
+.dashboard .module table td a {
+    padding-left: .6em;
+    padding-right: 16px;
+}
+
+/* changelists styles */
+
+.change-list .filtered table {
+    border-left: none;
+    border-right: 0px none;
+}
+
+#changelist-filter {
+    border-left: none;
+    border-right: none;
+    margin-left: 0;
+    margin-right: 30px;
+}
+
+#changelist-filter li.selected {
+    border-left: none;
+    padding-left: 10px;
+    margin-left: 0;
+    border-right: 5px solid var(--hairline-color);
+    padding-right: 10px;
+    margin-right: -15px;
+}
+
+#changelist table tbody td:first-child, #changelist table tbody th:first-child {
+    border-right: none;
+    border-left: none;
+}
+
+.paginator .end {
+    margin-left: 6px;
+    margin-right: 0;
+}
+
+.paginator input {
+    margin-left: 0;
+    margin-right: auto;
+}
+
+/* FORMS */
+
+.aligned label {
+    padding: 0 0 3px 1em;
+}
+
+.submit-row a.deletelink {
+    margin-left: 0;
+    margin-right: auto;
+}
+
+.vDateField, .vTimeField {
+    margin-left: 2px;
+}
+
+.aligned .form-row input {
+    margin-left: 5px;
+}
+
+form .aligned ul {
+    margin-right: 163px;
+    padding-right: 10px;
+    margin-left: 0;
+    padding-left: 0;
+}
+
+form ul.inline li {
+    float: right;
+    padding-right: 0;
+    padding-left: 7px;
+}
+
+form .aligned p.help,
+form .aligned div.help {
+    margin-left: 0;
+    margin-right: 160px;
+    padding-right: 10px;
+}
+
+form div.help ul,
+form .aligned .checkbox-row + .help,
+form .aligned p.date div.help.timezonewarning,
+form .aligned p.datetime div.help.timezonewarning,
+form .aligned p.time div.help.timezonewarning {
+    margin-right: 0;
+    padding-right: 0;
+}
+
+form .wide p.help,
+form .wide ul.errorlist,
+form .wide div.help {
+    padding-left: 0;
+    padding-right: 50px;
+}
+
+.submit-row {
+    text-align: right;
+}
+
+fieldset .fieldBox {
+    margin-left: 20px;
+    margin-right: 0;
+}
+
+.errorlist li {
+    background-position: 100% 12px;
+    padding: 0;
+}
+
+.errornote {
+    background-position: 100% 12px;
+    padding: 10px 12px;
+}
+
+/* WIDGETS */
+
+.calendarnav-previous {
+    top: 0;
+    left: auto;
+    right: 10px;
+    background: url(../img/calendar-icons.svg) 0 -15px no-repeat;
+}
+
+.calendarnav-next {
+    top: 0;
+    right: auto;
+    left: 10px;
+    background: url(../img/calendar-icons.svg) 0 0 no-repeat;
+}
+
+.calendar caption, .calendarbox h2 {
+    text-align: center;
+}
+
+.selector {
+    float: right;
+}
+
+.selector .selector-filter {
+    text-align: right;
+}
+
+.selector-add {
+  background: url(../img/selector-icons.svg) 0 -64px no-repeat;
+}
+
+.active.selector-add:focus, .active.selector-add:hover {
+  background-position: 0 -80px;
+}
+
+.selector-remove {
+  background: url(../img/selector-icons.svg) 0 -96px no-repeat;
+}
+
+.active.selector-remove:focus, .active.selector-remove:hover {
+  background-position: 0 -112px;
+}
+
+a.selector-chooseall {
+    background: url(../img/selector-icons.svg) right -128px no-repeat;
+}
+
+a.active.selector-chooseall:focus, a.active.selector-chooseall:hover {
+    background-position: 100% -144px;
+}
+
+a.selector-clearall {
+    background: url(../img/selector-icons.svg) 0 -160px no-repeat;
+}
+
+a.active.selector-clearall:focus, a.active.selector-clearall:hover {
+    background-position: 0 -176px;
+}
+
+.inline-deletelink {
+    float: left;
+}
+
+form .form-row p.datetime {
+    overflow: hidden;
+}
+
+.related-widget-wrapper {
+    float: right;
+}
+
+/* MISC */
+
+.inline-related h2, .inline-group h2 {
+    text-align: right
+}
+
+.inline-related h3 span.delete {
+    padding-right: 20px;
+    padding-left: inherit;
+    left: 10px;
+    right: inherit;
+    float:left;
+}
+
+.inline-related h3 span.delete label {
+    margin-left: inherit;
+    margin-right: 2px;
+}
+
+.inline-group .tabular td.original p {
+    right: 0;
+}
+
+.selector .selector-chooser {
+    margin: 0;
+}

src/static/admin/css/unusable_password_field.css

@@ -0,0 +1,19 @@
+/* Hide warnings fields if usable password is selected */
+form:has(#id_usable_password input[value="true"]:checked) .messagelist {
+    display: none;
+}
+
+/* Hide password fields if unusable password is selected */
+form:has(#id_usable_password input[value="false"]:checked) .field-password1,
+form:has(#id_usable_password input[value="false"]:checked) .field-password2 {
+    display: none;
+}
+
+/* Select appropriate submit button */
+form:has(#id_usable_password input[value="true"]:checked) input[type="submit"].unset-password {
+    display: none;
+}
+
+form:has(#id_usable_password input[value="false"]:checked) input[type="submit"].set-password {
+    display: none;
+}

src/static/admin/css/vendor/select2/LICENSE-SELECT2.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2012-2017 Kevin Brown, Igor Vaynberg, and Select2 contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

src/static/admin/css/vendor/select2/select2.css

@@ -0,0 +1,481 @@
+.select2-container {
+  box-sizing: border-box;
+  display: inline-block;
+  margin: 0;
+  position: relative;
+  vertical-align: middle; }
+  .select2-container .select2-selection--single {
+    box-sizing: border-box;
+    cursor: pointer;
+    display: block;
+    height: 28px;
+    user-select: none;
+    -webkit-user-select: none; }
+    .select2-container .select2-selection--single .select2-selection__rendered {
+      display: block;
+      padding-left: 8px;
+      padding-right: 20px;
+      overflow: hidden;
+      text-overflow: ellipsis;
+      white-space: nowrap; }
+    .select2-container .select2-selection--single .select2-selection__clear {
+      position: relative; }
+  .select2-container[dir="rtl"] .select2-selection--single .select2-selection__rendered {
+    padding-right: 8px;
+    padding-left: 20px; }
+  .select2-container .select2-selection--multiple {
+    box-sizing: border-box;
+    cursor: pointer;
+    display: block;
+    min-height: 32px;
+    user-select: none;
+    -webkit-user-select: none; }
+    .select2-container .select2-selection--multiple .select2-selection__rendered {
+      display: inline-block;
+      overflow: hidden;
+      padding-left: 8px;
+      text-overflow: ellipsis;
+      white-space: nowrap; }
+  .select2-container .select2-search--inline {
+    float: left; }
+    .select2-container .select2-search--inline .select2-search__field {
+      box-sizing: border-box;
+      border: none;
+      font-size: 100%;
+      margin-top: 5px;
+      padding: 0; }
+      .select2-container .select2-search--inline .select2-search__field::-webkit-search-cancel-button {
+        -webkit-appearance: none; }
+
+.select2-dropdown {
+  background-color: white;
+  border: 1px solid #aaa;
+  border-radius: 4px;
+  box-sizing: border-box;
+  display: block;
+  position: absolute;
+  left: -100000px;
+  width: 100%;
+  z-index: 1051; }
+
+.select2-results {
+  display: block; }
+
+.select2-results__options {
+  list-style: none;
+  margin: 0;
+  padding: 0; }
+
+.select2-results__option {
+  padding: 6px;
+  user-select: none;
+  -webkit-user-select: none; }
+  .select2-results__option[aria-selected] {
+    cursor: pointer; }
+
+.select2-container--open .select2-dropdown {
+  left: 0; }
+
+.select2-container--open .select2-dropdown--above {
+  border-bottom: none;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0; }
+
+.select2-container--open .select2-dropdown--below {
+  border-top: none;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0; }
+
+.select2-search--dropdown {
+  display: block;
+  padding: 4px; }
+  .select2-search--dropdown .select2-search__field {
+    padding: 4px;
+    width: 100%;
+    box-sizing: border-box; }
+    .select2-search--dropdown .select2-search__field::-webkit-search-cancel-button {
+      -webkit-appearance: none; }
+  .select2-search--dropdown.select2-search--hide {
+    display: none; }
+
+.select2-close-mask {
+  border: 0;
+  margin: 0;
+  padding: 0;
+  display: block;
+  position: fixed;
+  left: 0;
+  top: 0;
+  min-height: 100%;
+  min-width: 100%;
+  height: auto;
+  width: auto;
+  opacity: 0;
+  z-index: 99;
+  background-color: #fff;
+  filter: alpha(opacity=0); }
+
+.select2-hidden-accessible {
+  border: 0 !important;
+  clip: rect(0 0 0 0) !important;
+  -webkit-clip-path: inset(50%) !important;
+  clip-path: inset(50%) !important;
+  height: 1px !important;
+  overflow: hidden !important;
+  padding: 0 !important;
+  position: absolute !important;
+  width: 1px !important;
+  white-space: nowrap !important; }
+
+.select2-container--default .select2-selection--single {
+  background-color: #fff;
+  border: 1px solid #aaa;
+  border-radius: 4px; }
+  .select2-container--default .select2-selection--single .select2-selection__rendered {
+    color: #444;
+    line-height: 28px; }
+  .select2-container--default .select2-selection--single .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold; }
+  .select2-container--default .select2-selection--single .select2-selection__placeholder {
+    color: #999; }
+  .select2-container--default .select2-selection--single .select2-selection__arrow {
+    height: 26px;
+    position: absolute;
+    top: 1px;
+    right: 1px;
+    width: 20px; }
+    .select2-container--default .select2-selection--single .select2-selection__arrow b {
+      border-color: #888 transparent transparent transparent;
+      border-style: solid;
+      border-width: 5px 4px 0 4px;
+      height: 0;
+      left: 50%;
+      margin-left: -4px;
+      margin-top: -2px;
+      position: absolute;
+      top: 50%;
+      width: 0; }
+
+.select2-container--default[dir="rtl"] .select2-selection--single .select2-selection__clear {
+  float: left; }
+
+.select2-container--default[dir="rtl"] .select2-selection--single .select2-selection__arrow {
+  left: 1px;
+  right: auto; }
+
+.select2-container--default.select2-container--disabled .select2-selection--single {
+  background-color: #eee;
+  cursor: default; }
+  .select2-container--default.select2-container--disabled .select2-selection--single .select2-selection__clear {
+    display: none; }
+
+.select2-container--default.select2-container--open .select2-selection--single .select2-selection__arrow b {
+  border-color: transparent transparent #888 transparent;
+  border-width: 0 4px 5px 4px; }
+
+.select2-container--default .select2-selection--multiple {
+  background-color: white;
+  border: 1px solid #aaa;
+  border-radius: 4px;
+  cursor: text; }
+  .select2-container--default .select2-selection--multiple .select2-selection__rendered {
+    box-sizing: border-box;
+    list-style: none;
+    margin: 0;
+    padding: 0 5px;
+    width: 100%; }
+    .select2-container--default .select2-selection--multiple .select2-selection__rendered li {
+      list-style: none; }
+  .select2-container--default .select2-selection--multiple .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+    margin-top: 5px;
+    margin-right: 10px;
+    padding: 1px; }
+  .select2-container--default .select2-selection--multiple .select2-selection__choice {
+    background-color: #e4e4e4;
+    border: 1px solid #aaa;
+    border-radius: 4px;
+    cursor: default;
+    float: left;
+    margin-right: 5px;
+    margin-top: 5px;
+    padding: 0 5px; }
+  .select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
+    color: #999;
+    cursor: pointer;
+    display: inline-block;
+    font-weight: bold;
+    margin-right: 2px; }
+    .select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
+      color: #333; }
+
+.select2-container--default[dir="rtl"] .select2-selection--multiple .select2-selection__choice, .select2-container--default[dir="rtl"] .select2-selection--multiple .select2-search--inline {
+  float: right; }
+
+.select2-container--default[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
+  margin-left: 5px;
+  margin-right: auto; }
+
+.select2-container--default[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
+  margin-left: 2px;
+  margin-right: auto; }
+
+.select2-container--default.select2-container--focus .select2-selection--multiple {
+  border: solid black 1px;
+  outline: 0; }
+
+.select2-container--default.select2-container--disabled .select2-selection--multiple {
+  background-color: #eee;
+  cursor: default; }
+
+.select2-container--default.select2-container--disabled .select2-selection__choice__remove {
+  display: none; }
+
+.select2-container--default.select2-container--open.select2-container--above .select2-selection--single, .select2-container--default.select2-container--open.select2-container--above .select2-selection--multiple {
+  border-top-left-radius: 0;
+  border-top-right-radius: 0; }
+
+.select2-container--default.select2-container--open.select2-container--below .select2-selection--single, .select2-container--default.select2-container--open.select2-container--below .select2-selection--multiple {
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0; }
+
+.select2-container--default .select2-search--dropdown .select2-search__field {
+  border: 1px solid #aaa; }
+
+.select2-container--default .select2-search--inline .select2-search__field {
+  background: transparent;
+  border: none;
+  outline: 0;
+  box-shadow: none;
+  -webkit-appearance: textfield; }
+
+.select2-container--default .select2-results > .select2-results__options {
+  max-height: 200px;
+  overflow-y: auto; }
+
+.select2-container--default .select2-results__option[role=group] {
+  padding: 0; }
+
+.select2-container--default .select2-results__option[aria-disabled=true] {
+  color: #999; }
+
+.select2-container--default .select2-results__option[aria-selected=true] {
+  background-color: #ddd; }
+
+.select2-container--default .select2-results__option .select2-results__option {
+  padding-left: 1em; }
+  .select2-container--default .select2-results__option .select2-results__option .select2-results__group {
+    padding-left: 0; }
+  .select2-container--default .select2-results__option .select2-results__option .select2-results__option {
+    margin-left: -1em;
+    padding-left: 2em; }
+    .select2-container--default .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+      margin-left: -2em;
+      padding-left: 3em; }
+      .select2-container--default .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+        margin-left: -3em;
+        padding-left: 4em; }
+        .select2-container--default .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+          margin-left: -4em;
+          padding-left: 5em; }
+          .select2-container--default .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option .select2-results__option {
+            margin-left: -5em;
+            padding-left: 6em; }
+
+.select2-container--default .select2-results__option--highlighted[aria-selected] {
+  background-color: #5897fb;
+  color: white; }
+
+.select2-container--default .select2-results__group {
+  cursor: default;
+  display: block;
+  padding: 6px; }
+
+.select2-container--classic .select2-selection--single {
+  background-color: #f7f7f7;
+  border: 1px solid #aaa;
+  border-radius: 4px;
+  outline: 0;
+  background-image: -webkit-linear-gradient(top, white 50%, #eeeeee 100%);
+  background-image: -o-linear-gradient(top, white 50%, #eeeeee 100%);
+  background-image: linear-gradient(to bottom, white 50%, #eeeeee 100%);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FFFFFFFF', endColorstr='#FFEEEEEE', GradientType=0); }
+  .select2-container--classic .select2-selection--single:focus {
+    border: 1px solid #5897fb; }
+  .select2-container--classic .select2-selection--single .select2-selection__rendered {
+    color: #444;
+    line-height: 28px; }
+  .select2-container--classic .select2-selection--single .select2-selection__clear {
+    cursor: pointer;
+    float: right;
+    font-weight: bold;
+    margin-right: 10px; }
+  .select2-container--classic .select2-selection--single .select2-selection__placeholder {
+    color: #999; }
+  .select2-container--classic .select2-selection--single .select2-selection__arrow {
+    background-color: #ddd;
+    border: none;
+    border-left: 1px solid #aaa;
+    border-top-right-radius: 4px;
+    border-bottom-right-radius: 4px;
+    height: 26px;
+    position: absolute;
+    top: 1px;
+    right: 1px;
+    width: 20px;
+    background-image: -webkit-linear-gradient(top, #eeeeee 50%, #cccccc 100%);
+    background-image: -o-linear-gradient(top, #eeeeee 50%, #cccccc 100%);
+    background-image: linear-gradient(to bottom, #eeeeee 50%, #cccccc 100%);
+    background-repeat: repeat-x;
+    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FFEEEEEE', endColorstr='#FFCCCCCC', GradientType=0); }
+    .select2-container--classic .select2-selection--single .select2-selection__arrow b {
+      border-color: #888 transparent transparent transparent;
+      border-style: solid;
+      border-width: 5px 4px 0 4px;
+      height: 0;
+      left: 50%;
+      margin-left: -4px;
+      margin-top: -2px;
+      position: absolute;
+      top: 50%;
+      width: 0; }
+
+.select2-container--classic[dir="rtl"] .select2-selection--single .select2-selection__clear {
+  float: left; }
+
+.select2-container--classic[dir="rtl"] .select2-selection--single .select2-selection__arrow {
+  border: none;
+  border-right: 1px solid #aaa;
+  border-radius: 0;
+  border-top-left-radius: 4px;
+  border-bottom-left-radius: 4px;
+  left: 1px;
+  right: auto; }
+
+.select2-container--classic.select2-container--open .select2-selection--single {
+  border: 1px solid #5897fb; }
+  .select2-container--classic.select2-container--open .select2-selection--single .select2-selection__arrow {
+    background: transparent;
+    border: none; }
+    .select2-container--classic.select2-container--open .select2-selection--single .select2-selection__arrow b {
+      border-color: transparent transparent #888 transparent;
+      border-width: 0 4px 5px 4px; }
+
+.select2-container--classic.select2-container--open.select2-container--above .select2-selection--single {
+  border-top: none;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+  background-image: -webkit-linear-gradient(top, white 0%, #eeeeee 50%);
+  background-image: -o-linear-gradient(top, white 0%, #eeeeee 50%);
+  background-image: linear-gradient(to bottom, white 0%, #eeeeee 50%);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FFFFFFFF', endColorstr='#FFEEEEEE', GradientType=0); }
+
+.select2-container--classic.select2-container--open.select2-container--below .select2-selection--single {
+  border-bottom: none;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0;
+  background-image: -webkit-linear-gradient(top, #eeeeee 50%, white 100%);
+  background-image: -o-linear-gradient(top, #eeeeee 50%, white 100%);
+  background-image: linear-gradient(to bottom, #eeeeee 50%, white 100%);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FFEEEEEE', endColorstr='#FFFFFFFF', GradientType=0); }
+
+.select2-container--classic .select2-selection--multiple {
+  background-color: white;
+  border: 1px solid #aaa;
+  border-radius: 4px;
+  cursor: text;
+  outline: 0; }
+  .select2-container--classic .select2-selection--multiple:focus {
+    border: 1px solid #5897fb; }
+  .select2-container--classic .select2-selection--multiple .select2-selection__rendered {
+    list-style: none;
+    margin: 0;
+    padding: 0 5px; }
+  .select2-container--classic .select2-selection--multiple .select2-selection__clear {
+    display: none; }
+  .select2-container--classic .select2-selection--multiple .select2-selection__choice {
+    background-color: #e4e4e4;
+    border: 1px solid #aaa;
+    border-radius: 4px;
+    cursor: default;
+    float: left;
+    margin-right: 5px;
+    margin-top: 5px;
+    padding: 0 5px; }
+  .select2-container--classic .select2-selection--multiple .select2-selection__choice__remove {
+    color: #888;
+    cursor: pointer;
+    display: inline-block;
+    font-weight: bold;
+    margin-right: 2px; }
+    .select2-container--classic .select2-selection--multiple .select2-selection__choice__remove:hover {
+      color: #555; }
+
+.select2-container--classic[dir="rtl"] .select2-selection--multiple .select2-selection__choice {
+  float: right;
+  margin-left: 5px;
+  margin-right: auto; }
+
+.select2-container--classic[dir="rtl"] .select2-selection--multiple .select2-selection__choice__remove {
+  margin-left: 2px;
+  margin-right: auto; }
+
+.select2-container--classic.select2-container--open .select2-selection--multiple {
+  border: 1px solid #5897fb; }
+
+.select2-container--classic.select2-container--open.select2-container--above .select2-selection--multiple {
+  border-top: none;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0; }
+
+.select2-container--classic.select2-container--open.select2-container--below .select2-selection--multiple {
+  border-bottom: none;
+  border-bottom-left-radius: 0;
+  border-bottom-right-radius: 0; }
+
+.select2-container--classic .select2-search--dropdown .select2-search__field {
+  border: 1px solid #aaa;
+  outline: 0; }
+
+.select2-container--classic .select2-search--inline .select2-search__field {
+  outline: 0;
+  box-shadow: none; }
+
+.select2-container--classic .select2-dropdown {
+  background-color: white;
+  border: 1px solid transparent; }
+
+.select2-container--classic .select2-dropdown--above {
+  border-bottom: none; }
+
+.select2-container--classic .select2-dropdown--below {
+  border-top: none; }
+
+.select2-container--classic .select2-results > .select2-results__options {
+  max-height: 200px;
+  overflow-y: auto; }
+
+.select2-container--classic .select2-results__option[role=group] {
+  padding: 0; }
+
+.select2-container--classic .select2-results__option[aria-disabled=true] {
+  color: grey; }
+
+.select2-container--classic .select2-results__option--highlighted[aria-selected] {
+  background-color: #3875d7;
+  color: white; }
+
+.select2-container--classic .select2-results__group {
+  cursor: default;
+  display: block;
+  padding: 6px; }
+
+.select2-container--classic.select2-container--open .select2-dropdown {
+  border-color: #5897fb; }

src/static/admin/css/widgets.css

@@ -0,0 +1,593 @@
+/* SELECTOR (FILTER INTERFACE) */
+
+.selector {
+    display: flex;
+    flex-grow: 1;
+    gap: 0 10px;
+}
+
+.selector select {
+    height: 17.2em;
+    flex: 1 0 auto;
+    overflow: scroll;
+    width: 100%;
+}
+
+.selector-available, .selector-chosen {
+    text-align: center;
+    display: flex;
+    flex-direction: column;
+    flex: 1 1;
+}
+
+.selector-available h2, .selector-chosen h2 {
+    border: 1px solid var(--border-color);
+    border-radius: 4px 4px 0 0;
+}
+
+.selector-chosen .list-footer-display {
+    border: 1px solid var(--border-color);
+    border-top: none;
+    border-radius: 0 0 4px 4px;
+    margin: 0 0 10px;
+    padding: 8px;
+    text-align: center;
+    background: var(--primary);
+    color: var(--header-link-color);
+    cursor: pointer;
+}
+.selector-chosen .list-footer-display__clear {
+    color: var(--breadcrumbs-fg);
+}
+
+.selector-chosen h2 {
+    background: var(--secondary);
+    color: var(--header-link-color);
+}
+
+.selector .selector-available h2 {
+    background: var(--darkened-bg);
+    color: var(--body-quiet-color);
+}
+
+.selector .selector-filter {
+    border: 1px solid var(--border-color);
+    border-width: 0 1px;
+    padding: 8px;
+    color: var(--body-quiet-color);
+    font-size: 0.625rem;
+    margin: 0;
+    text-align: left;
+    display: flex;
+}
+
+.selector .selector-filter label,
+.inline-group .aligned .selector .selector-filter label {
+    float: left;
+    margin: 7px 0 0;
+    width: 18px;
+    height: 18px;
+    padding: 0;
+    overflow: hidden;
+    line-height: 1;
+    min-width: auto;
+}
+
+.selector-filter input {
+    flex-grow: 1;
+}
+
+.selector .selector-available input,
+.selector .selector-chosen input {
+    margin-left: 8px;
+}
+
+.selector ul.selector-chooser {
+    align-self: center;
+    width: 22px;
+    background-color: var(--selected-bg);
+    border-radius: 10px;
+    margin: 0;
+    padding: 0;
+    transform: translateY(-17px);
+}
+
+.selector-chooser li {
+    margin: 0;
+    padding: 3px;
+    list-style-type: none;
+}
+
+.selector select {
+    padding: 0 10px;
+    margin: 0 0 10px;
+    border-radius: 0 0 4px 4px;
+}
+.selector .selector-chosen--with-filtered select {
+    margin: 0;
+    border-radius: 0;
+    height: 14em;
+}
+
+.selector .selector-chosen:not(.selector-chosen--with-filtered) .list-footer-display {
+    display: none;
+}
+
+.selector-add, .selector-remove {
+    width: 16px;
+    height: 16px;
+    display: block;
+    text-indent: -3000px;
+    overflow: hidden;
+    cursor: default;
+    opacity: 0.55;
+}
+
+.active.selector-add, .active.selector-remove {
+    opacity: 1;
+}
+
+.active.selector-add:hover, .active.selector-remove:hover {
+    cursor: pointer;
+}
+
+.selector-add {
+    background: url(../img/selector-icons.svg) 0 -96px no-repeat;
+}
+
+.active.selector-add:focus, .active.selector-add:hover {
+    background-position: 0 -112px;
+}
+
+.selector-remove {
+    background: url(../img/selector-icons.svg) 0 -64px no-repeat;
+}
+
+.active.selector-remove:focus, .active.selector-remove:hover {
+    background-position: 0 -80px;
+}
+
+a.selector-chooseall, a.selector-clearall {
+    display: inline-block;
+    height: 16px;
+    text-align: left;
+    margin: 0 auto;
+    overflow: hidden;
+    font-weight: bold;
+    line-height: 16px;
+    color: var(--body-quiet-color);
+    text-decoration: none;
+    opacity: 0.55;
+}
+
+a.active.selector-chooseall:focus, a.active.selector-clearall:focus,
+a.active.selector-chooseall:hover, a.active.selector-clearall:hover {
+    color: var(--link-fg);
+}
+
+a.active.selector-chooseall, a.active.selector-clearall {
+    opacity: 1;
+}
+
+a.active.selector-chooseall:hover, a.active.selector-clearall:hover {
+    cursor: pointer;
+}
+
+a.selector-chooseall {
+    padding: 0 18px 0 0;
+    background: url(../img/selector-icons.svg) right -160px no-repeat;
+    cursor: default;
+}
+
+a.active.selector-chooseall:focus, a.active.selector-chooseall:hover {
+    background-position: 100% -176px;
+}
+
+a.selector-clearall {
+    padding: 0 0 0 18px;
+    background: url(../img/selector-icons.svg) 0 -128px no-repeat;
+    cursor: default;
+}
+
+a.active.selector-clearall:focus, a.active.selector-clearall:hover {
+    background-position: 0 -144px;
+}
+
+/* STACKED SELECTORS */
+
+.stacked {
+    float: left;
+    width: 490px;
+    display: block;
+}
+
+.stacked select {
+    width: 480px;
+    height: 10.1em;
+}
+
+.stacked .selector-available, .stacked .selector-chosen {
+    width: 480px;
+}
+
+.stacked .selector-available {
+    margin-bottom: 0;
+}
+
+.stacked .selector-available input {
+    width: 422px;
+}
+
+.stacked ul.selector-chooser {
+    height: 22px;
+    width: 50px;
+    margin: 0 0 10px 40%;
+    background-color: #eee;
+    border-radius: 10px;
+    transform: none;
+}
+
+.stacked .selector-chooser li {
+    float: left;
+    padding: 3px 3px 3px 5px;
+}
+
+.stacked .selector-chooseall, .stacked .selector-clearall {
+    display: none;
+}
+
+.stacked .selector-add {
+    background: url(../img/selector-icons.svg) 0 -32px no-repeat;
+    cursor: default;
+}
+
+.stacked .active.selector-add {
+    background-position: 0 -32px;
+    cursor: pointer;
+}
+
+.stacked .active.selector-add:focus, .stacked .active.selector-add:hover {
+    background-position: 0 -48px;
+    cursor: pointer;
+}
+
+.stacked .selector-remove {
+    background: url(../img/selector-icons.svg) 0 0 no-repeat;
+    cursor: default;
+}
+
+.stacked .active.selector-remove {
+    background-position: 0 0px;
+    cursor: pointer;
+}
+
+.stacked .active.selector-remove:focus, .stacked .active.selector-remove:hover {
+    background-position: 0 -16px;
+    cursor: pointer;
+}
+
+.selector .help-icon {
+    background: url(../img/icon-unknown.svg) 0 0 no-repeat;
+    display: inline-block;
+    vertical-align: middle;
+    margin: -2px 0 0 2px;
+    width: 13px;
+    height: 13px;
+}
+
+.selector .selector-chosen .help-icon {
+    background: url(../img/icon-unknown-alt.svg) 0 0 no-repeat;
+}
+
+.selector .search-label-icon {
+    background: url(../img/search.svg) 0 0 no-repeat;
+    display: inline-block;
+    height: 1.125rem;
+    width: 1.125rem;
+}
+
+/* DATE AND TIME */
+
+p.datetime {
+    line-height: 20px;
+    margin: 0;
+    padding: 0;
+    color: var(--body-quiet-color);
+    font-weight: bold;
+}
+
+.datetime span {
+    white-space: nowrap;
+    font-weight: normal;
+    font-size: 0.6875rem;
+    color: var(--body-quiet-color);
+}
+
+.datetime input, .form-row .datetime input.vDateField, .form-row .datetime input.vTimeField {
+    margin-left: 5px;
+    margin-bottom: 4px;
+}
+
+table p.datetime {
+    font-size: 0.6875rem;
+    margin-left: 0;
+    padding-left: 0;
+}
+
+.datetimeshortcuts .clock-icon, .datetimeshortcuts .date-icon {
+    position: relative;
+    display: inline-block;
+    vertical-align: middle;
+    height: 16px;
+    width: 16px;
+    overflow: hidden;
+}
+
+.datetimeshortcuts .clock-icon {
+    background: url(../img/icon-clock.svg) 0 0 no-repeat;
+}
+
+.datetimeshortcuts a:focus .clock-icon,
+.datetimeshortcuts a:hover .clock-icon {
+    background-position: 0 -16px;
+}
+
+.datetimeshortcuts .date-icon {
+    background: url(../img/icon-calendar.svg) 0 0 no-repeat;
+    top: -1px;
+}
+
+.datetimeshortcuts a:focus .date-icon,
+.datetimeshortcuts a:hover .date-icon {
+    background-position: 0 -16px;
+}
+
+.timezonewarning {
+    font-size: 0.6875rem;
+    color: var(--body-quiet-color);
+}
+
+/* URL */
+
+p.url {
+    line-height: 20px;
+    margin: 0;
+    padding: 0;
+    color: var(--body-quiet-color);
+    font-size: 0.6875rem;
+    font-weight: bold;
+}
+
+.url a {
+    font-weight: normal;
+}
+
+/* FILE UPLOADS */
+
+p.file-upload {
+    line-height: 20px;
+    margin: 0;
+    padding: 0;
+    color: var(--body-quiet-color);
+    font-size: 0.6875rem;
+    font-weight: bold;
+}
+
+.file-upload a {
+    font-weight: normal;
+}
+
+.file-upload .deletelink {
+    margin-left: 5px;
+}
+
+span.clearable-file-input label {
+    color: var(--body-fg);
+    font-size: 0.6875rem;
+    display: inline;
+    float: none;
+}
+
+/* CALENDARS & CLOCKS */
+
+.calendarbox, .clockbox {
+    margin: 5px auto;
+    font-size: 0.75rem;
+    width: 19em;
+    text-align: center;
+    background: var(--body-bg);
+    color: var(--body-fg);
+    border: 1px solid var(--hairline-color);
+    border-radius: 4px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
+    overflow: hidden;
+    position: relative;
+}
+
+.clockbox {
+    width: auto;
+}
+
+.calendar {
+    margin: 0;
+    padding: 0;
+}
+
+.calendar table {
+    margin: 0;
+    padding: 0;
+    border-collapse: collapse;
+    background: white;
+    width: 100%;
+}
+
+.calendar caption, .calendarbox h2 {
+    margin: 0;
+    text-align: center;
+    border-top: none;
+    font-weight: 700;
+    font-size: 0.75rem;
+    color: #333;
+    background: var(--accent);
+}
+
+.calendar th {
+    padding: 8px 5px;
+    background: var(--darkened-bg);
+    border-bottom: 1px solid var(--border-color);
+    font-weight: 400;
+    font-size: 0.75rem;
+    text-align: center;
+    color: var(--body-quiet-color);
+}
+
+.calendar td {
+    font-weight: 400;
+    font-size: 0.75rem;
+    text-align: center;
+    padding: 0;
+    border-top: 1px solid var(--hairline-color);
+    border-bottom: none;
+}
+
+.calendar td.selected a {
+    background: var(--secondary);
+    color: var(--button-fg);
+}
+
+.calendar td.nonday {
+    background: var(--darkened-bg);
+}
+
+.calendar td.today a {
+    font-weight: 700;
+}
+
+.calendar td a, .timelist a {
+    display: block;
+    font-weight: 400;
+    padding: 6px;
+    text-decoration: none;
+    color: var(--body-quiet-color);
+}
+
+.calendar td a:focus, .timelist a:focus,
+.calendar td a:hover, .timelist a:hover {
+    background: var(--primary);
+    color: white;
+}
+
+.calendar td a:active, .timelist a:active {
+    background: var(--header-bg);
+    color: white;
+}
+
+.calendarnav {
+    font-size: 0.625rem;
+    text-align: center;
+    color: #ccc;
+    margin: 0;
+    padding: 1px 3px;
+}
+
+.calendarnav a:link, #calendarnav a:visited,
+#calendarnav a:focus, #calendarnav a:hover {
+    color: var(--body-quiet-color);
+}
+
+.calendar-shortcuts {
+    background: var(--body-bg);
+    color: var(--body-quiet-color);
+    font-size: 0.6875rem;
+    line-height: 0.6875rem;
+    border-top: 1px solid var(--hairline-color);
+    padding: 8px 0;
+}
+
+.calendarbox .calendarnav-previous, .calendarbox .calendarnav-next {
+    display: block;
+    position: absolute;
+    top: 8px;
+    width: 15px;
+    height: 15px;
+    text-indent: -9999px;
+    padding: 0;
+}
+
+.calendarnav-previous {
+    left: 10px;
+    background: url(../img/calendar-icons.svg) 0 0 no-repeat;
+}
+
+.calendarnav-next {
+    right: 10px;
+    background: url(../img/calendar-icons.svg) 0 -15px no-repeat;
+}
+
+.calendar-cancel {
+    margin: 0;
+    padding: 4px 0;
+    font-size: 0.75rem;
+    background: var(--close-button-bg);
+    border-top: 1px solid var(--border-color);
+    color: var(--button-fg);
+}
+
+.calendar-cancel:focus, .calendar-cancel:hover {
+    background: var(--close-button-hover-bg);
+}
+
+.calendar-cancel a {
+    color: var(--button-fg);
+    display: block;
+}
+
+ul.timelist, .timelist li {
+    list-style-type: none;
+    margin: 0;
+    padding: 0;
+}
+
+.timelist a {
+    padding: 2px;
+}
+
+/* EDIT INLINE */
+
+.inline-deletelink {
+    float: right;
+    text-indent: -9999px;
+    background: url(../img/inline-delete.svg) 0 0 no-repeat;
+    width: 16px;
+    height: 16px;
+    border: 0px none;
+}
+
+.inline-deletelink:focus, .inline-deletelink:hover {
+    cursor: pointer;
+}
+
+/* RELATED WIDGET WRAPPER */
+.related-widget-wrapper {
+    display: flex;
+    gap: 0 10px;
+    flex-grow: 1;
+    flex-wrap: wrap;
+    margin-bottom: 5px;
+}
+
+.related-widget-wrapper-link {
+    opacity: .6;
+    filter: grayscale(1);
+}
+
+.related-widget-wrapper-link:link {
+    opacity: 1;
+    filter: grayscale(0);
+}
+
+/* GIS MAPS */
+.dj_map {
+    width: 600px;
+    height: 400px;
+}

src/static/admin/img/LICENSE

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Code Charm Ltd
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

src/static/admin/img/README.txt

@@ -0,0 +1,7 @@
+All icons are taken from Font Awesome (https://fontawesome.com/) project.
+The Font Awesome font is licensed under the SIL OFL 1.1:
+- https://scripts.sil.org/OFL
+
+SVG icons source: https://github.com/encharm/Font-Awesome-SVG-PNG
+Font-Awesome-SVG-PNG is licensed under the MIT license (see file license
+in current folder).

src/static/admin/img/calendar-icons.svg

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="15"
+   height="30"
+   viewBox="0 0 1792 3584"
+   version="1.1"
+   id="svg5"
+   sodipodi:docname="calendar-icons.svg"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview5"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     showgrid="false"
+     inkscape:zoom="13.3"
+     inkscape:cx="15.526316"
+     inkscape:cy="20.977444"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg5" />
+  <defs
+     id="defs2">
+    <g
+       id="previous">
+      <path
+         d="m 1037,1395 102,-102 q 19,-19 19,-45 0,-26 -19,-45 L 832,896 1139,589 q 19,-19 19,-45 0,-26 -19,-45 L 1037,397 q -19,-19 -45,-19 -26,0 -45,19 L 493,851 q -19,19 -19,45 0,26 19,45 l 454,454 q 19,19 45,19 26,0 45,-19 z m 627,-499 q 0,209 -103,385.5 Q 1458,1458 1281.5,1561 1105,1664 896,1664 687,1664 510.5,1561 334,1458 231,1281.5 128,1105 128,896 128,687 231,510.5 334,334 510.5,231 687,128 896,128 1105,128 1281.5,231 1458,334 1561,510.5 1664,687 1664,896 Z"
+         id="path1" />
+    </g>
+    <g
+       id="next">
+      <path
+         d="m 845,1395 454,-454 q 19,-19 19,-45 0,-26 -19,-45 L 845,397 q -19,-19 -45,-19 -26,0 -45,19 L 653,499 q -19,19 -19,45 0,26 19,45 l 307,307 -307,307 q -19,19 -19,45 0,26 19,45 l 102,102 q 19,19 45,19 26,0 45,-19 z m 819,-499 q 0,209 -103,385.5 Q 1458,1458 1281.5,1561 1105,1664 896,1664 687,1664 510.5,1561 334,1458 231,1281.5 128,1105 128,896 128,687 231,510.5 334,334 510.5,231 687,128 896,128 1105,128 1281.5,231 1458,334 1561,510.5 1664,687 1664,896 Z"
+         id="path2" />
+    </g>
+  </defs>
+  <use
+     xlink:href="#next"
+     x="0"
+     y="5376"
+     fill="#000000"
+     id="use5"
+     transform="translate(0,-3584)" />
+  <use
+     xlink:href="#previous"
+     x="0"
+     y="0"
+     fill="#333333"
+     id="use2"
+     style="fill:#000000;fill-opacity:1" />
+</svg>

src/static/admin/img/gis/move_vertex_off.svg

@@ -0,0 +1 @@
+<svg width="24" height="22" viewBox="0 0 847 779" xmlns="http://www.w3.org/2000/svg"><g><path fill="#EBECE6" d="M120 1h607c66 0 120 54 120 120v536c0 66-54 120-120 120h-607c-66 0-120-54-120-120v-536c0-66 54-120 120-120z"/><path fill="#9E9E93" d="M120 1h607c66 0 120 54 120 120v536c0 66-54 120-120 120h-607c-66 0-120-54-120-120v-536c0-66 54-120 120-120zm607 25h-607c-26 0-50 11-67 28-17 18-28 41-28 67v536c0 27 11 50 28 68 17 17 41 27 67 27h607c26 0 49-10 67-27 17-18 28-41 28-68v-536c0-26-11-49-28-67-18-17-41-28-67-28z"/><path stroke="#A9A8A4" stroke-width="20" d="M706 295l-68 281"/><path stroke="#E47474" stroke-width="20" d="M316 648l390-353M141 435l175 213"/><path stroke="#C9C9C9" stroke-width="20" d="M319 151l-178 284M706 295l-387-144"/><g fill="#040405"><path d="M319 111c22 0 40 18 40 40s-18 40-40 40-40-18-40-40 18-40 40-40zM141 395c22 0 40 18 40 40s-18 40-40 40c-23 0-41-18-41-40s18-40 41-40zM316 608c22 0 40 18 40 40 0 23-18 41-40 41s-40-18-40-41c0-22 18-40 40-40zM706 254c22 0 40 18 40 41 0 22-18 40-40 40s-40-18-40-40c0-23 18-41 40-41zM638 536c22 0 40 18 40 40s-18 40-40 40-40-18-40-40 18-40 40-40z"/></g></g></svg>

src/static/admin/img/gis/move_vertex_on.svg

@@ -0,0 +1 @@
+<svg width="24" height="22" viewBox="0 0 847 779" xmlns="http://www.w3.org/2000/svg"><g><path fill="#F1C02A" d="M120 1h607c66 0 120 54 120 120v536c0 66-54 120-120 120h-607c-66 0-120-54-120-120v-536c0-66 54-120 120-120z"/><path fill="#9E9E93" d="M120 1h607c66 0 120 54 120 120v536c0 66-54 120-120 120h-607c-66 0-120-54-120-120v-536c0-66 54-120 120-120zm607 25h-607c-26 0-50 11-67 28-17 18-28 41-28 67v536c0 27 11 50 28 68 17 17 41 27 67 27h607c26 0 49-10 67-27 17-18 28-41 28-68v-536c0-26-11-49-28-67-18-17-41-28-67-28z"/><path stroke="#A9A8A4" stroke-width="20" d="M706 295l-68 281"/><path stroke="#E47474" stroke-width="20" d="M316 648l390-353M141 435l175 213"/><path stroke="#C9A741" stroke-width="20" d="M319 151l-178 284M706 295l-387-144"/><g fill="#040405"><path d="M319 111c22 0 40 18 40 40s-18 40-40 40-40-18-40-40 18-40 40-40zM141 395c22 0 40 18 40 40s-18 40-40 40c-23 0-41-18-41-40s18-40 41-40zM316 608c22 0 40 18 40 40 0 23-18 41-40 41s-40-18-40-41c0-22 18-40 40-40zM706 254c22 0 40 18 40 41 0 22-18 40-40 40s-40-18-40-40c0-23 18-41 40-41zM638 536c22 0 40 18 40 40s-18 40-40 40-40-18-40-40 18-40 40-40z"/></g></g></svg>

src/static/admin/img/icon-addlink.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#5fa225" d="M1600 796v192q0 40-28 68t-68 28h-416v416q0 40-28 68t-68 28h-192q-40 0-68-28t-28-68v-416h-416q-40 0-68-28t-28-68v-192q0-40 28-68t68-28h416v-416q0-40 28-68t68-28h192q40 0 68 28t28 68v416h416q40 0 68 28t28 68z"/>
+</svg>

src/static/admin/img/icon-alert.svg

@@ -0,0 +1,3 @@
+<svg width="14" height="14" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#efb80b" d="M1024 1375v-190q0-14-9.5-23.5t-22.5-9.5h-192q-13 0-22.5 9.5t-9.5 23.5v190q0 14 9.5 23.5t22.5 9.5h192q13 0 22.5-9.5t9.5-23.5zm-2-374l18-459q0-12-10-19-13-11-24-11h-220q-11 0-24 11-10 7-10 21l17 457q0 10 10 16.5t24 6.5h185q14 0 23.5-6.5t10.5-16.5zm-14-934l768 1408q35 63-2 126-17 29-46.5 46t-63.5 17h-1536q-34 0-63.5-17t-46.5-46q-37-63-2-126l768-1408q17-31 47-49t65-18 65 18 47 49z"/>
+</svg>

src/static/admin/img/icon-calendar.svg

@@ -0,0 +1,9 @@
+<svg width="16" height="32" viewBox="0 0 1792 3584" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <g id="icon">
+      <path d="M192 1664h288v-288h-288v288zm352 0h320v-288h-320v288zm-352-352h288v-320h-288v320zm352 0h320v-320h-320v320zm-352-384h288v-288h-288v288zm736 736h320v-288h-320v288zm-384-736h320v-288h-320v288zm768 736h288v-288h-288v288zm-384-352h320v-320h-320v320zm-352-864v-288q0-13-9.5-22.5t-22.5-9.5h-64q-13 0-22.5 9.5t-9.5 22.5v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm736 864h288v-320h-288v320zm-384-384h320v-288h-320v288zm384 0h288v-288h-288v288zm32-480v-288q0-13-9.5-22.5t-22.5-9.5h-64q-13 0-22.5 9.5t-9.5 22.5v288q0 13 9.5 22.5t22.5 9.5h64q13 0 22.5-9.5t9.5-22.5zm384-64v1280q0 52-38 90t-90 38h-1408q-52 0-90-38t-38-90v-1280q0-52 38-90t90-38h128v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h384v-96q0-66 47-113t113-47h64q66 0 113 47t47 113v96h128q52 0 90 38t38 90z"/>
+    </g>
+  </defs>
+  <use xlink:href="#icon" x="0" y="0" fill="#447e9b" />
+  <use xlink:href="#icon" x="0" y="1792" fill="#003366" />
+</svg>

src/static/admin/img/icon-changelink.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#b48c08" d="M491 1536l91-91-235-235-91 91v107h128v128h107zm523-928q0-22-22-22-10 0-17 7l-542 542q-7 7-7 17 0 22 22 22 10 0 17-7l542-542q7-7 7-17zm-54-192l416 416-832 832h-416v-416zm683 96q0 53-37 90l-166 166-416-416 166-165q36-38 90-38 53 0 91 38l235 234q37 39 37 91z"/>
+</svg>

src/static/admin/img/icon-clock.svg

@@ -0,0 +1,9 @@
+<svg width="16" height="32" viewBox="0 0 1792 3584" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <g id="icon">
+      <path d="M1024 544v448q0 14-9 23t-23 9h-320q-14 0-23-9t-9-23v-64q0-14 9-23t23-9h224v-352q0-14 9-23t23-9h64q14 0 23 9t9 23zm416 352q0-148-73-273t-198-198-273-73-273 73-198 198-73 273 73 273 198 198 273 73 273-73 198-198 73-273zm224 0q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+  </defs>
+  <use xlink:href="#icon" x="0" y="0" fill="#447e9b" />
+  <use xlink:href="#icon" x="0" y="1792" fill="#003366" />
+</svg>

src/static/admin/img/icon-deletelink.svg

@@ -0,0 +1,3 @@
+<svg width="14" height="14" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#dd4646" d="M1490 1322q0 40-28 68l-136 136q-28 28-68 28t-68-28l-294-294-294 294q-28 28-68 28t-68-28l-136-136q-28-28-28-68t28-68l294-294-294-294q-28-28-28-68t28-68l136-136q28-28 68-28t68 28l294 294 294-294q28-28 68-28t68 28l136 136q28 28 28 68t-28 68l-294 294 294 294q28 28 28 68z"/>
+</svg>

src/static/admin/img/icon-hidelink.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#2b70bf" d="m555 1335 78-141q-87-63-136-159t-49-203q0-121 61-225-229 117-381 353 167 258 427 375zm389-759q0-20-14-34t-34-14q-125 0-214.5 89.5T592 832q0 20 14 34t34 14 34-14 14-34q0-86 61-147t147-61q20 0 34-14t14-34zm363-191q0 7-1 9-105 188-315 566t-316 567l-49 89q-10 16-28 16-12 0-134-70-16-10-16-28 0-12 44-87-143-65-263.5-173T20 1029Q0 998 0 960t20-69q153-235 380-371t496-136q89 0 180 17l54-97q10-16 28-16 5 0 18 6t31 15.5 33 18.5 31.5 18.5T1291 358q16 10 16 27zm37 447q0 139-79 253.5T1056 1250l280-502q8 45 8 84zm448 128q0 35-20 69-39 64-109 145-150 172-347.5 267T896 1536l74-132q212-18 392.5-137T1664 960q-115-179-282-294l63-112q95 64 182.5 153T1772 891q20 34 20 69z"/>
+</svg>

src/static/admin/img/icon-no.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#dd4646" d="M1277 1122q0-26-19-45l-181-181 181-181q19-19 19-45 0-27-19-46l-90-90q-19-19-46-19-26 0-45 19l-181 181-181-181q-19-19-45-19-27 0-46 19l-90 90q-19 19-19 46 0 26 19 45l181 181-181 181q-19 19-19 45 0 27 19 46l90 90q19 19 46 19 26 0 45-19l181-181 181 181q19 19 45 19 27 0 46-19l90-90q19-19 19-46zm387-226q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+</svg>

src/static/admin/img/icon-unknown-alt.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#ffffff" d="M1024 1376v-192q0-14-9-23t-23-9h-192q-14 0-23 9t-9 23v192q0 14 9 23t23 9h192q14 0 23-9t9-23zm256-672q0-88-55.5-163t-138.5-116-170-41q-243 0-371 213-15 24 8 42l132 100q7 6 19 6 16 0 25-12 53-68 86-92 34-24 86-24 48 0 85.5 26t37.5 59q0 38-20 61t-68 45q-63 28-115.5 86.5t-52.5 125.5v36q0 14 9 23t23 9h192q14 0 23-9t9-23q0-19 21.5-49.5t54.5-49.5q32-18 49-28.5t46-35 44.5-48 28-60.5 12.5-81zm384 192q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+</svg>

src/static/admin/img/icon-unknown.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#666666" d="M1024 1376v-192q0-14-9-23t-23-9h-192q-14 0-23 9t-9 23v192q0 14 9 23t23 9h192q14 0 23-9t9-23zm256-672q0-88-55.5-163t-138.5-116-170-41q-243 0-371 213-15 24 8 42l132 100q7 6 19 6 16 0 25-12 53-68 86-92 34-24 86-24 48 0 85.5 26t37.5 59q0 38-20 61t-68 45q-63 28-115.5 86.5t-52.5 125.5v36q0 14 9 23t23 9h192q14 0 23-9t9-23q0-19 21.5-49.5t54.5-49.5q32-18 49-28.5t46-35 44.5-48 28-60.5 12.5-81zm384 192q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+</svg>

src/static/admin/img/icon-viewlink.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#2b70bf" d="M1664 960q-152-236-381-353 61 104 61 225 0 185-131.5 316.5t-316.5 131.5-316.5-131.5-131.5-316.5q0-121 61-225-229 117-381 353 133 205 333.5 326.5t434.5 121.5 434.5-121.5 333.5-326.5zm-720-384q0-20-14-34t-34-14q-125 0-214.5 89.5t-89.5 214.5q0 20 14 34t34 14 34-14 14-34q0-86 61-147t147-61q20 0 34-14t14-34zm848 384q0 34-20 69-140 230-376.5 368.5t-499.5 138.5-499.5-139-376.5-368q-20-35-20-69t20-69q140-229 376.5-368t499.5-139 499.5 139 376.5 368q20 35 20 69z"/>
+</svg>

src/static/admin/img/icon-yes.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#70bf2b" d="M1412 734q0-28-18-46l-91-90q-19-19-45-19t-45 19l-408 407-226-226q-19-19-45-19t-45 19l-91 90q-18 18-18 46 0 27 18 45l362 362q19 19 45 19 27 0 46-19l543-543q18-18 18-45zm252 162q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+</svg>

src/static/admin/img/inline-delete.svg

@@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#999999" d="M1277 1122q0-26-19-45l-181-181 181-181q19-19 19-45 0-27-19-46l-90-90q-19-19-46-19-26 0-45 19l-181 181-181-181q-19-19-45-19-27 0-46 19l-90 90q-19 19-19 46 0 26 19 45l181 181-181 181q-19 19-19 45 0 27 19 46l90 90q19 19 46 19 26 0 45-19l181-181 181 181q19 19 45 19 27 0 46-19l90-90q19-19 19-46zm387-226q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+</svg>

src/static/admin/img/search.svg

@@ -0,0 +1,3 @@
+<svg width="15" height="15" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#555555" d="M1216 832q0-185-131.5-316.5t-316.5-131.5-316.5 131.5-131.5 316.5 131.5 316.5 316.5 131.5 316.5-131.5 131.5-316.5zm512 832q0 52-38 90t-90 38q-54 0-90-38l-343-342q-179 124-399 124-143 0-273.5-55.5t-225-150-150-225-55.5-273.5 55.5-273.5 150-225 225-150 273.5-55.5 273.5 55.5 225 150 150 225 55.5 273.5q0 220-124 399l343 343q37 37 37 90z"/>
+</svg>

src/static/admin/img/selector-icons.svg

@@ -0,0 +1,34 @@
+<svg width="16" height="192" viewBox="0 0 1792 21504" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <g id="up">
+      <path d="M1412 895q0-27-18-45l-362-362-91-91q-18-18-45-18t-45 18l-91 91-362 362q-18 18-18 45t18 45l91 91q18 18 45 18t45-18l189-189v502q0 26 19 45t45 19h128q26 0 45-19t19-45v-502l189 189q19 19 45 19t45-19l91-91q18-18 18-45zm252 1q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+    <g id="down">
+      <path d="M1412 897q0-27-18-45l-91-91q-18-18-45-18t-45 18l-189 189v-502q0-26-19-45t-45-19h-128q-26 0-45 19t-19 45v502l-189-189q-19-19-45-19t-45 19l-91 91q-18 18-18 45t18 45l362 362 91 91q18 18 45 18t45-18l91-91 362-362q18-18 18-45zm252-1q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+    <g id="left">
+      <path d="M1408 960v-128q0-26-19-45t-45-19h-502l189-189q19-19 19-45t-19-45l-91-91q-18-18-45-18t-45 18l-362 362-91 91q-18 18-18 45t18 45l91 91 362 362q18 18 45 18t45-18l91-91q18-18 18-45t-18-45l-189-189h502q26 0 45-19t19-45zm256-64q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+    <g id="right">
+      <path d="M1413 896q0-27-18-45l-91-91-362-362q-18-18-45-18t-45 18l-91 91q-18 18-18 45t18 45l189 189h-502q-26 0-45 19t-19 45v128q0 26 19 45t45 19h502l-189 189q-19 19-19 45t19 45l91 91q18 18 45 18t45-18l362-362 91-91q18-18 18-45zm251 0q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+    <g id="clearall">
+      <path transform="translate(336, 336) scale(0.75)" d="M1037 1395l102-102q19-19 19-45t-19-45l-307-307 307-307q19-19 19-45t-19-45l-102-102q-19-19-45-19t-45 19l-454 454q-19 19-19 45t19 45l454 454q19 19 45 19t45-19zm627-499q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+    <g id="chooseall">
+      <path transform="translate(336, 336) scale(0.75)" d="M845 1395l454-454q19-19 19-45t-19-45l-454-454q-19-19-45-19t-45 19l-102 102q-19 19-19 45t19 45l307 307-307 307q-19 19-19 45t19 45l102 102q19 19 45 19t45-19zm819-499q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z"/>
+    </g>
+  </defs>
+  <use xlink:href="#up" x="0" y="0" fill="#666666" />
+  <use xlink:href="#up" x="0" y="1792" fill="#447e9b" />
+  <use xlink:href="#down" x="0" y="3584" fill="#666666" />
+  <use xlink:href="#down" x="0" y="5376" fill="#447e9b" />
+  <use xlink:href="#left" x="0" y="7168" fill="#666666" />
+  <use xlink:href="#left" x="0" y="8960" fill="#447e9b" />
+  <use xlink:href="#right" x="0" y="10752" fill="#666666" />
+  <use xlink:href="#right" x="0" y="12544" fill="#447e9b" />
+  <use xlink:href="#clearall" x="0" y="14336" fill="#666666" />
+  <use xlink:href="#clearall" x="0" y="16128" fill="#447e9b" />
+  <use xlink:href="#chooseall" x="0" y="17920" fill="#666666" />
+  <use xlink:href="#chooseall" x="0" y="19712" fill="#447e9b" />
+</svg>

src/static/admin/img/sorting-icons.svg

@@ -0,0 +1,19 @@
+<svg width="14" height="84" viewBox="0 0 1792 10752" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <defs>
+    <g id="sort">
+      <path d="M1408 1088q0 26-19 45l-448 448q-19 19-45 19t-45-19l-448-448q-19-19-19-45t19-45 45-19h896q26 0 45 19t19 45zm0-384q0 26-19 45t-45 19h-896q-26 0-45-19t-19-45 19-45l448-448q19-19 45-19t45 19l448 448q19 19 19 45z"/>
+    </g>
+    <g id="ascending">
+      <path d="M1408 1216q0 26-19 45t-45 19h-896q-26 0-45-19t-19-45 19-45l448-448q19-19 45-19t45 19l448 448q19 19 19 45z"/>
+    </g>
+    <g id="descending">
+      <path d="M1408 704q0 26-19 45l-448 448q-19 19-45 19t-45-19l-448-448q-19-19-19-45t19-45 45-19h896q26 0 45 19t19 45z"/>
+    </g>
+  </defs>
+  <use xlink:href="#sort" x="0" y="0" fill="#999999" />
+  <use xlink:href="#sort" x="0" y="1792" fill="#447e9b" />
+  <use xlink:href="#ascending" x="0" y="3584" fill="#999999" />
+  <use xlink:href="#ascending" x="0" y="5376" fill="#447e9b" />
+  <use xlink:href="#descending" x="0" y="7168" fill="#999999" />
+  <use xlink:href="#descending" x="0" y="8960" fill="#447e9b" />
+</svg>

src/static/admin/img/tooltag-add.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#ffffff" d="M1600 736v192q0 40-28 68t-68 28h-416v416q0 40-28 68t-68 28h-192q-40 0-68-28t-28-68v-416h-416q-40 0-68-28t-28-68v-192q0-40 28-68t68-28h416v-416q0-40 28-68t68-28h192q40 0 68 28t28 68v416h416q40 0 68 28t28 68z"/>
+</svg>

src/static/admin/img/tooltag-arrowright.svg

@@ -0,0 +1,3 @@
+<svg width="13" height="13" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg">
+  <path fill="#ffffff" d="M1363 877l-742 742q-19 19-45 19t-45-19l-166-166q-19-19-19-45t19-45l531-531-531-531q-19-19-19-45t19-45l166-166q19-19 45-19t45 19l742 742q19 19 19 45t-19 45z"/>
+</svg>

src/static/admin/js/SelectBox.js

@@ -0,0 +1,116 @@
+'use strict';
+{
+    const SelectBox = {
+        cache: {},
+        init: function(id) {
+            const box = document.getElementById(id);
+            SelectBox.cache[id] = [];
+            const cache = SelectBox.cache[id];
+            for (const node of box.options) {
+                cache.push({value: node.value, text: node.text, displayed: 1});
+            }
+        },
+        redisplay: function(id) {
+            // Repopulate HTML select box from cache
+            const box = document.getElementById(id);
+            const scroll_value_from_top = box.scrollTop;
+            box.innerHTML = '';
+            for (const node of SelectBox.cache[id]) {
+                if (node.displayed) {
+                    const new_option = new Option(node.text, node.value, false, false);
+                    // Shows a tooltip when hovering over the option
+                    new_option.title = node.text;
+                    box.appendChild(new_option);
+                }
+            }
+            box.scrollTop = scroll_value_from_top;
+        },
+        filter: function(id, text) {
+            // Redisplay the HTML select box, displaying only the choices containing ALL
+            // the words in text. (It's an AND search.)
+            const tokens = text.toLowerCase().split(/\s+/);
+            for (const node of SelectBox.cache[id]) {
+                node.displayed = 1;
+                const node_text = node.text.toLowerCase();
+                for (const token of tokens) {
+                    if (!node_text.includes(token)) {
+                        node.displayed = 0;
+                        break; // Once the first token isn't found we're done
+                    }
+                }
+            }
+            SelectBox.redisplay(id);
+        },
+        get_hidden_node_count(id) {
+            const cache = SelectBox.cache[id] || [];
+            return cache.filter(node => node.displayed === 0).length;
+        },
+        delete_from_cache: function(id, value) {
+            let delete_index = null;
+            const cache = SelectBox.cache[id];
+            for (const [i, node] of cache.entries()) {
+                if (node.value === value) {
+                    delete_index = i;
+                    break;
+                }
+            }
+            cache.splice(delete_index, 1);
+        },
+        add_to_cache: function(id, option) {
+            SelectBox.cache[id].push({value: option.value, text: option.text, displayed: 1});
+        },
+        cache_contains: function(id, value) {
+            // Check if an item is contained in the cache
+            for (const node of SelectBox.cache[id]) {
+                if (node.value === value) {
+                    return true;
+                }
+            }
+            return false;
+        },
+        move: function(from, to) {
+            const from_box = document.getElementById(from);
+            for (const option of from_box.options) {
+                const option_value = option.value;
+                if (option.selected && SelectBox.cache_contains(from, option_value)) {
+                    SelectBox.add_to_cache(to, {value: option_value, text: option.text, displayed: 1});
+                    SelectBox.delete_from_cache(from, option_value);
+                }
+            }
+            SelectBox.redisplay(from);
+            SelectBox.redisplay(to);
+        },
+        move_all: function(from, to) {
+            const from_box = document.getElementById(from);
+            for (const option of from_box.options) {
+                const option_value = option.value;
+                if (SelectBox.cache_contains(from, option_value)) {
+                    SelectBox.add_to_cache(to, {value: option_value, text: option.text, displayed: 1});
+                    SelectBox.delete_from_cache(from, option_value);
+                }
+            }
+            SelectBox.redisplay(from);
+            SelectBox.redisplay(to);
+        },
+        sort: function(id) {
+            SelectBox.cache[id].sort(function(a, b) {
+                a = a.text.toLowerCase();
+                b = b.text.toLowerCase();
+                if (a > b) {
+                    return 1;
+                }
+                if (a < b) {
+                    return -1;
+                }
+                return 0;
+            } );
+        },
+        select_all: function(id) {
+            const box = document.getElementById(id);
+            for (const option of box.options) {
+                option.selected = true;
+            }
+        }
+    };
+    window.SelectBox = SelectBox;
+}

src/static/admin/js/SelectFilter2.js

@@ -0,0 +1,286 @@
+/*global SelectBox, gettext, ngettext, interpolate, quickElement, SelectFilter*/
+/*
+SelectFilter2 - Turns a multiple-select box into a filter interface.
+
+Requires core.js and SelectBox.js.
+*/
+'use strict';
+{
+    window.SelectFilter = {
+        init: function(field_id, field_name, is_stacked) {
+            if (field_id.match(/__prefix__/)) {
+                // Don't initialize on empty forms.
+                return;
+            }
+            const from_box = document.getElementById(field_id);
+            from_box.id += '_from'; // change its ID
+            from_box.className = 'filtered';
+
+            for (const p of from_box.parentNode.getElementsByTagName('p')) {
+                if (p.classList.contains("info")) {
+                    // Remove <p class="info">, because it just gets in the way.
+                    from_box.parentNode.removeChild(p);
+                } else if (p.classList.contains("help")) {
+                    // Move help text up to the top so it isn't below the select
+                    // boxes or wrapped off on the side to the right of the add
+                    // button:
+                    from_box.parentNode.insertBefore(p, from_box.parentNode.firstChild);
+                }
+            }
+
+            // <div class="selector"> or <div class="selector stacked">
+            const selector_div = quickElement('div', from_box.parentNode);
+            // Make sure the selector div is at the beginning so that the
+            // add link would be displayed to the right of the widget.
+            from_box.parentNode.prepend(selector_div);
+            selector_div.className = is_stacked ? 'selector stacked' : 'selector';
+
+            // <div class="selector-available">
+            const selector_available = quickElement('div', selector_div);
+            selector_available.className = 'selector-available';
+            const title_available = quickElement('h2', selector_available, interpolate(gettext('Available %s') + ' ', [field_name]));
+            quickElement(
+                'span', title_available, '',
+                'class', 'help help-tooltip help-icon',
+                'title', interpolate(
+                    gettext(
+                        'This is the list of available %s. You may choose some by ' +
+                        'selecting them in the box below and then clicking the ' +
+                        '"Choose" arrow between the two boxes.'
+                    ),
+                    [field_name]
+                )
+            );
+
+            const filter_p = quickElement('p', selector_available, '', 'id', field_id + '_filter');
+            filter_p.className = 'selector-filter';
+
+            const search_filter_label = quickElement('label', filter_p, '', 'for', field_id + '_input');
+
+            quickElement(
+                'span', search_filter_label, '',
+                'class', 'help-tooltip search-label-icon',
+                'title', interpolate(gettext("Type into this box to filter down the list of available %s."), [field_name])
+            );
+
+            filter_p.appendChild(document.createTextNode(' '));
+
+            const filter_input = quickElement('input', filter_p, '', 'type', 'text', 'placeholder', gettext("Filter"));
+            filter_input.id = field_id + '_input';
+
+            selector_available.appendChild(from_box);
+            const choose_all = quickElement('a', selector_available, gettext('Choose all'), 'title', interpolate(gettext('Click to choose all %s at once.'), [field_name]), 'href', '#', 'id', field_id + '_add_all_link');
+            choose_all.className = 'selector-chooseall';
+
+            // <ul class="selector-chooser">
+            const selector_chooser = quickElement('ul', selector_div);
+            selector_chooser.className = 'selector-chooser';
+            const add_link = quickElement('a', quickElement('li', selector_chooser), gettext('Choose'), 'title', gettext('Choose'), 'href', '#', 'id', field_id + '_add_link');
+            add_link.className = 'selector-add';
+            const remove_link = quickElement('a', quickElement('li', selector_chooser), gettext('Remove'), 'title', gettext('Remove'), 'href', '#', 'id', field_id + '_remove_link');
+            remove_link.className = 'selector-remove';
+
+            // <div class="selector-chosen">
+            const selector_chosen = quickElement('div', selector_div, '', 'id', field_id + '_selector_chosen');
+            selector_chosen.className = 'selector-chosen';
+            const title_chosen = quickElement('h2', selector_chosen, interpolate(gettext('Chosen %s') + ' ', [field_name]));
+            quickElement(
+                'span', title_chosen, '',
+                'class', 'help help-tooltip help-icon',
+                'title', interpolate(
+                    gettext(
+                        'This is the list of chosen %s. You may remove some by ' +
+                        'selecting them in the box below and then clicking the ' +
+                        '"Remove" arrow between the two boxes.'
+                    ),
+                    [field_name]
+                )
+            );
+            
+            const filter_selected_p = quickElement('p', selector_chosen, '', 'id', field_id + '_filter_selected');
+            filter_selected_p.className = 'selector-filter';
+
+            const search_filter_selected_label = quickElement('label', filter_selected_p, '', 'for', field_id + '_selected_input');
+
+            quickElement(
+                'span', search_filter_selected_label, '',
+                'class', 'help-tooltip search-label-icon',
+                'title', interpolate(gettext("Type into this box to filter down the list of selected %s."), [field_name])
+            );
+
+            filter_selected_p.appendChild(document.createTextNode(' '));
+
+            const filter_selected_input = quickElement('input', filter_selected_p, '', 'type', 'text', 'placeholder', gettext("Filter"));
+            filter_selected_input.id = field_id + '_selected_input';
+
+            const to_box = quickElement('select', selector_chosen, '', 'id', field_id + '_to', 'multiple', '', 'size', from_box.size, 'name', from_box.name);
+            to_box.className = 'filtered';
+            
+            const warning_footer = quickElement('div', selector_chosen, '', 'class', 'list-footer-display');
+            quickElement('span', warning_footer, '', 'id', field_id + '_list-footer-display-text');
+            quickElement('span', warning_footer, ' (click to clear)', 'class', 'list-footer-display__clear');
+            
+            const clear_all = quickElement('a', selector_chosen, gettext('Remove all'), 'title', interpolate(gettext('Click to remove all chosen %s at once.'), [field_name]), 'href', '#', 'id', field_id + '_remove_all_link');
+            clear_all.className = 'selector-clearall';
+
+            from_box.name = from_box.name + '_old';
+
+            // Set up the JavaScript event handlers for the select box filter interface
+            const move_selection = function(e, elem, move_func, from, to) {
+                if (elem.classList.contains('active')) {
+                    move_func(from, to);
+                    SelectFilter.refresh_icons(field_id);
+                    SelectFilter.refresh_filtered_selects(field_id);
+                    SelectFilter.refresh_filtered_warning(field_id);
+                }
+                e.preventDefault();
+            };
+            choose_all.addEventListener('click', function(e) {
+                move_selection(e, this, SelectBox.move_all, field_id + '_from', field_id + '_to');
+            });
+            add_link.addEventListener('click', function(e) {
+                move_selection(e, this, SelectBox.move, field_id + '_from', field_id + '_to');
+            });
+            remove_link.addEventListener('click', function(e) {
+                move_selection(e, this, SelectBox.move, field_id + '_to', field_id + '_from');
+            });
+            clear_all.addEventListener('click', function(e) {
+                move_selection(e, this, SelectBox.move_all, field_id + '_to', field_id + '_from');
+            });
+            warning_footer.addEventListener('click', function(e) {
+                filter_selected_input.value = '';
+                SelectBox.filter(field_id + '_to', '');
+                SelectFilter.refresh_filtered_warning(field_id);
+                SelectFilter.refresh_icons(field_id);
+            });
+            filter_input.addEventListener('keypress', function(e) {
+                SelectFilter.filter_key_press(e, field_id, '_from', '_to');
+            });
+            filter_input.addEventListener('keyup', function(e) {
+                SelectFilter.filter_key_up(e, field_id, '_from');
+            });
+            filter_input.addEventListener('keydown', function(e) {
+                SelectFilter.filter_key_down(e, field_id, '_from', '_to');
+            });
+            filter_selected_input.addEventListener('keypress', function(e) {
+                SelectFilter.filter_key_press(e, field_id, '_to', '_from');
+            });
+            filter_selected_input.addEventListener('keyup', function(e) {
+                SelectFilter.filter_key_up(e, field_id, '_to', '_selected_input');
+            });
+            filter_selected_input.addEventListener('keydown', function(e) {
+                SelectFilter.filter_key_down(e, field_id, '_to', '_from');
+            });
+            selector_div.addEventListener('change', function(e) {
+                if (e.target.tagName === 'SELECT') {
+                    SelectFilter.refresh_icons(field_id);
+                }
+            });
+            selector_div.addEventListener('dblclick', function(e) {
+                if (e.target.tagName === 'OPTION') {
+                    if (e.target.closest('select').id === field_id + '_to') {
+                        SelectBox.move(field_id + '_to', field_id + '_from');
+                    } else {
+                        SelectBox.move(field_id + '_from', field_id + '_to');
+                    }
+                    SelectFilter.refresh_icons(field_id);
+                }
+            });
+            from_box.closest('form').addEventListener('submit', function() {
+                SelectBox.filter(field_id + '_to', '');
+                SelectBox.select_all(field_id + '_to');
+            });
+            SelectBox.init(field_id + '_from');
+            SelectBox.init(field_id + '_to');
+            // Move selected from_box options to to_box
+            SelectBox.move(field_id + '_from', field_id + '_to');
+
+            // Initial icon refresh
+            SelectFilter.refresh_icons(field_id);
+        },
+        any_selected: function(field) {
+            // Temporarily add the required attribute and check validity.
+            field.required = true;
+            const any_selected = field.checkValidity();
+            field.required = false;
+            return any_selected;
+        },
+        refresh_filtered_warning: function(field_id) {
+            const count = SelectBox.get_hidden_node_count(field_id + '_to');
+            const selector = document.getElementById(field_id + '_selector_chosen');
+            const warning = document.getElementById(field_id + '_list-footer-display-text');
+            selector.className = selector.className.replace('selector-chosen--with-filtered', '');
+            warning.textContent = interpolate(ngettext(
+                '%s selected option not visible',
+                '%s selected options not visible',
+                count
+            ), [count]);
+            if(count > 0) {
+                selector.className += ' selector-chosen--with-filtered';
+            }
+        },
+        refresh_filtered_selects: function(field_id) {
+            SelectBox.filter(field_id + '_from', document.getElementById(field_id + "_input").value);
+            SelectBox.filter(field_id + '_to', document.getElementById(field_id + "_selected_input").value);
+        },
+        refresh_icons: function(field_id) {
+            const from = document.getElementById(field_id + '_from');
+            const to = document.getElementById(field_id + '_to');
+            // Active if at least one item is selected
+            document.getElementById(field_id + '_add_link').classList.toggle('active', SelectFilter.any_selected(from));
+            document.getElementById(field_id + '_remove_link').classList.toggle('active', SelectFilter.any_selected(to));
+            // Active if the corresponding box isn't empty
+            document.getElementById(field_id + '_add_all_link').classList.toggle('active', from.querySelector('option'));
+            document.getElementById(field_id + '_remove_all_link').classList.toggle('active', to.querySelector('option'));
+            SelectFilter.refresh_filtered_warning(field_id);
+        },
+        filter_key_press: function(event, field_id, source, target) {
+            const source_box = document.getElementById(field_id + source);
+            // don't submit form if user pressed Enter
+            if ((event.which && event.which === 13) || (event.keyCode && event.keyCode === 13)) {
+                source_box.selectedIndex = 0;
+                SelectBox.move(field_id + source, field_id + target);
+                source_box.selectedIndex = 0;
+                event.preventDefault();
+            }
+        },
+        filter_key_up: function(event, field_id, source, filter_input) {
+            const input = filter_input || '_input';
+            const source_box = document.getElementById(field_id + source);
+            const temp = source_box.selectedIndex;
+            SelectBox.filter(field_id + source, document.getElementById(field_id + input).value);
+            source_box.selectedIndex = temp;
+            SelectFilter.refresh_filtered_warning(field_id);
+            SelectFilter.refresh_icons(field_id);
+        },
+        filter_key_down: function(event, field_id, source, target) {
+            const source_box = document.getElementById(field_id + source);
+            // right key (39) or left key (37)
+            const direction = source === '_from' ? 39 : 37;
+            // right arrow -- move across
+            if ((event.which && event.which === direction) || (event.keyCode && event.keyCode === direction)) {
+                const old_index = source_box.selectedIndex;
+                SelectBox.move(field_id + source, field_id + target);
+                SelectFilter.refresh_filtered_selects(field_id);
+                SelectFilter.refresh_filtered_warning(field_id);
+                source_box.selectedIndex = (old_index === source_box.length) ? source_box.length - 1 : old_index;
+                return;
+            }
+            // down arrow -- wrap around
+            if ((event.which && event.which === 40) || (event.keyCode && event.keyCode === 40)) {
+                source_box.selectedIndex = (source_box.length === source_box.selectedIndex + 1) ? 0 : source_box.selectedIndex + 1;
+            }
+            // up arrow -- wrap around
+            if ((event.which && event.which === 38) || (event.keyCode && event.keyCode === 38)) {
+                source_box.selectedIndex = (source_box.selectedIndex === 0) ? source_box.length - 1 : source_box.selectedIndex - 1;
+            }
+        }
+    };
+
+    window.addEventListener('load', function(e) {
+        document.querySelectorAll('select.selectfilter, select.selectfilterstacked').forEach(function(el) {
+            const data = el.dataset;
+            SelectFilter.init(el.id, data.fieldName, parseInt(data.isStacked, 10));
+        });
+    });
+}

src/static/admin/js/actions.js

@@ -0,0 +1,204 @@
+/*global gettext, interpolate, ngettext, Actions*/
+'use strict';
+{
+    function show(selector) {
+        document.querySelectorAll(selector).forEach(function(el) {
+            el.classList.remove('hidden');
+        });
+    }
+
+    function hide(selector) {
+        document.querySelectorAll(selector).forEach(function(el) {
+            el.classList.add('hidden');
+        });
+    }
+
+    function showQuestion(options) {
+        hide(options.acrossClears);
+        show(options.acrossQuestions);
+        hide(options.allContainer);
+    }
+
+    function showClear(options) {
+        show(options.acrossClears);
+        hide(options.acrossQuestions);
+        document.querySelector(options.actionContainer).classList.remove(options.selectedClass);
+        show(options.allContainer);
+        hide(options.counterContainer);
+    }
+
+    function reset(options) {
+        hide(options.acrossClears);
+        hide(options.acrossQuestions);
+        hide(options.allContainer);
+        show(options.counterContainer);
+    }
+
+    function clearAcross(options) {
+        reset(options);
+        const acrossInputs = document.querySelectorAll(options.acrossInput);
+        acrossInputs.forEach(function(acrossInput) {
+            acrossInput.value = 0;
+        });
+        document.querySelector(options.actionContainer).classList.remove(options.selectedClass);
+    }
+
+    function checker(actionCheckboxes, options, checked) {
+        if (checked) {
+            showQuestion(options);
+        } else {
+            reset(options);
+        }
+        actionCheckboxes.forEach(function(el) {
+            el.checked = checked;
+            el.closest('tr').classList.toggle(options.selectedClass, checked);
+        });
+    }
+
+    function updateCounter(actionCheckboxes, options) {
+        const sel = Array.from(actionCheckboxes).filter(function(el) {
+            return el.checked;
+        }).length;
+        const counter = document.querySelector(options.counterContainer);
+        // data-actions-icnt is defined in the generated HTML
+        // and contains the total amount of objects in the queryset
+        const actions_icnt = Number(counter.dataset.actionsIcnt);
+        counter.textContent = interpolate(
+            ngettext('%(sel)s of %(cnt)s selected', '%(sel)s of %(cnt)s selected', sel), {
+                sel: sel,
+                cnt: actions_icnt
+            }, true);
+        const allToggle = document.getElementById(options.allToggleId);
+        allToggle.checked = sel === actionCheckboxes.length;
+        if (allToggle.checked) {
+            showQuestion(options);
+        } else {
+            clearAcross(options);
+        }
+    }
+
+    const defaults = {
+        actionContainer: "div.actions",
+        counterContainer: "span.action-counter",
+        allContainer: "div.actions span.all",
+        acrossInput: "div.actions input.select-across",
+        acrossQuestions: "div.actions span.question",
+        acrossClears: "div.actions span.clear",
+        allToggleId: "action-toggle",
+        selectedClass: "selected"
+    };
+
+    window.Actions = function(actionCheckboxes, options) {
+        options = Object.assign({}, defaults, options);
+        let list_editable_changed = false;
+        let lastChecked = null;
+        let shiftPressed = false;
+
+        document.addEventListener('keydown', (event) => {
+            shiftPressed = event.shiftKey;
+        });
+
+        document.addEventListener('keyup', (event) => {
+            shiftPressed = event.shiftKey;
+        });
+
+        document.getElementById(options.allToggleId).addEventListener('click', function(event) {
+            checker(actionCheckboxes, options, this.checked);
+            updateCounter(actionCheckboxes, options);
+        });
+
+        document.querySelectorAll(options.acrossQuestions + " a").forEach(function(el) {
+            el.addEventListener('click', function(event) {
+                event.preventDefault();
+                const acrossInputs = document.querySelectorAll(options.acrossInput);
+                acrossInputs.forEach(function(acrossInput) {
+                    acrossInput.value = 1;
+                });
+                showClear(options);
+            });
+        });
+
+        document.querySelectorAll(options.acrossClears + " a").forEach(function(el) {
+            el.addEventListener('click', function(event) {
+                event.preventDefault();
+                document.getElementById(options.allToggleId).checked = false;
+                clearAcross(options);
+                checker(actionCheckboxes, options, false);
+                updateCounter(actionCheckboxes, options);
+            });
+        });
+
+        function affectedCheckboxes(target, withModifier) {
+            const multiSelect = (lastChecked && withModifier && lastChecked !== target);
+            if (!multiSelect) {
+                return [target];
+            }
+            const checkboxes = Array.from(actionCheckboxes);
+            const targetIndex = checkboxes.findIndex(el => el === target);
+            const lastCheckedIndex = checkboxes.findIndex(el => el === lastChecked);
+            const startIndex = Math.min(targetIndex, lastCheckedIndex);
+            const endIndex = Math.max(targetIndex, lastCheckedIndex);
+            const filtered = checkboxes.filter((el, index) => (startIndex <= index) && (index <= endIndex));
+            return filtered;
+        };
+
+        Array.from(document.getElementById('result_list').tBodies).forEach(function(el) {
+            el.addEventListener('change', function(event) {
+                const target = event.target;
+                if (target.classList.contains('action-select')) {
+                    const checkboxes = affectedCheckboxes(target, shiftPressed);
+                    checker(checkboxes, options, target.checked);
+                    updateCounter(actionCheckboxes, options);
+                    lastChecked = target;
+                } else {
+                    list_editable_changed = true;
+                }
+            });
+        });
+
+        document.querySelector('#changelist-form button[name=index]').addEventListener('click', function(event) {
+            if (list_editable_changed) {
+                const confirmed = confirm(gettext("You have unsaved changes on individual editable fields. If you run an action, your unsaved changes will be lost."));
+                if (!confirmed) {
+                    event.preventDefault();
+                }
+            }
+        });
+
+        const el = document.querySelector('#changelist-form input[name=_save]');
+        // The button does not exist if no fields are editable.
+        if (el) {
+            el.addEventListener('click', function(event) {
+                if (document.querySelector('[name=action]').value) {
+                    const text = list_editable_changed
+                        ? gettext("You have selected an action, but you haven’t saved your changes to individual fields yet. Please click OK to save. You’ll need to re-run the action.")
+                        : gettext("You have selected an action, and you haven’t made any changes on individual fields. You’re probably looking for the Go button rather than the Save button.");
+                    if (!confirm(text)) {
+                        event.preventDefault();
+                    }
+                }
+            });
+        }
+        // Sync counter when navigating to the page, such as through the back
+        // button.
+        window.addEventListener('pageshow', (event) => updateCounter(actionCheckboxes, options));
+    };
+
+    // Call function fn when the DOM is loaded and ready. If it is already
+    // loaded, call the function now.
+    // http://youmightnotneedjquery.com/#ready
+    function ready(fn) {
+        if (document.readyState !== 'loading') {
+            fn();
+        } else {
+            document.addEventListener('DOMContentLoaded', fn);
+        }
+    }
+
+    ready(function() {
+        const actionsEls = document.querySelectorAll('tr input.action-select');
+        if (actionsEls.length > 0) {
+            Actions(actionsEls);
+        }
+    });
+}

src/static/admin/js/admin/DateTimeShortcuts.js

@@ -0,0 +1,408 @@
+/*global Calendar, findPosX, findPosY, get_format, gettext, gettext_noop, interpolate, ngettext, quickElement*/
+// Inserts shortcut buttons after all of the following:
+//     <input type="text" class="vDateField">
+//     <input type="text" class="vTimeField">
+'use strict';
+{
+    const DateTimeShortcuts = {
+        calendars: [],
+        calendarInputs: [],
+        clockInputs: [],
+        clockHours: {
+            default_: [
+                [gettext_noop('Now'), -1],
+                [gettext_noop('Midnight'), 0],
+                [gettext_noop('6 a.m.'), 6],
+                [gettext_noop('Noon'), 12],
+                [gettext_noop('6 p.m.'), 18]
+            ]
+        },
+        dismissClockFunc: [],
+        dismissCalendarFunc: [],
+        calendarDivName1: 'calendarbox', // name of calendar <div> that gets toggled
+        calendarDivName2: 'calendarin', // name of <div> that contains calendar
+        calendarLinkName: 'calendarlink', // name of the link that is used to toggle
+        clockDivName: 'clockbox', // name of clock <div> that gets toggled
+        clockLinkName: 'clocklink', // name of the link that is used to toggle
+        shortCutsClass: 'datetimeshortcuts', // class of the clock and cal shortcuts
+        timezoneWarningClass: 'timezonewarning', // class of the warning for timezone mismatch
+        timezoneOffset: 0,
+        init: function() {
+            const serverOffset = document.body.dataset.adminUtcOffset;
+            if (serverOffset) {
+                const localOffset = new Date().getTimezoneOffset() * -60;
+                DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
+            }
+
+            for (const inp of document.getElementsByTagName('input')) {
+                if (inp.type === 'text' && inp.classList.contains('vTimeField')) {
+                    DateTimeShortcuts.addClock(inp);
+                    DateTimeShortcuts.addTimezoneWarning(inp);
+                }
+                else if (inp.type === 'text' && inp.classList.contains('vDateField')) {
+                    DateTimeShortcuts.addCalendar(inp);
+                    DateTimeShortcuts.addTimezoneWarning(inp);
+                }
+            }
+        },
+        // Return the current time while accounting for the server timezone.
+        now: function() {
+            const serverOffset = document.body.dataset.adminUtcOffset;
+            if (serverOffset) {
+                const localNow = new Date();
+                const localOffset = localNow.getTimezoneOffset() * -60;
+                localNow.setTime(localNow.getTime() + 1000 * (serverOffset - localOffset));
+                return localNow;
+            } else {
+                return new Date();
+            }
+        },
+        // Add a warning when the time zone in the browser and backend do not match.
+        addTimezoneWarning: function(inp) {
+            const warningClass = DateTimeShortcuts.timezoneWarningClass;
+            let timezoneOffset = DateTimeShortcuts.timezoneOffset / 3600;
+
+            // Only warn if there is a time zone mismatch.
+            if (!timezoneOffset) {
+                return;
+            }
+
+            // Check if warning is already there.
+            if (inp.parentNode.querySelectorAll('.' + warningClass).length) {
+                return;
+            }
+
+            let message;
+            if (timezoneOffset > 0) {
+                message = ngettext(
+                    'Note: You are %s hour ahead of server time.',
+                    'Note: You are %s hours ahead of server time.',
+                    timezoneOffset
+                );
+            }
+            else {
+                timezoneOffset *= -1;
+                message = ngettext(
+                    'Note: You are %s hour behind server time.',
+                    'Note: You are %s hours behind server time.',
+                    timezoneOffset
+                );
+            }
+            message = interpolate(message, [timezoneOffset]);
+
+            const warning = document.createElement('div');
+            warning.classList.add('help', warningClass);
+            warning.textContent = message;
+            inp.parentNode.appendChild(warning);
+        },
+        // Add clock widget to a given field
+        addClock: function(inp) {
+            const num = DateTimeShortcuts.clockInputs.length;
+            DateTimeShortcuts.clockInputs[num] = inp;
+            DateTimeShortcuts.dismissClockFunc[num] = function() { DateTimeShortcuts.dismissClock(num); return true; };
+
+            // Shortcut links (clock icon and "Now" link)
+            const shortcuts_span = document.createElement('span');
+            shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
+            inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
+            const now_link = document.createElement('a');
+            now_link.href = "#";
+            now_link.textContent = gettext('Now');
+            now_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.handleClockQuicklink(num, -1);
+            });
+            const clock_link = document.createElement('a');
+            clock_link.href = '#';
+            clock_link.id = DateTimeShortcuts.clockLinkName + num;
+            clock_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                // avoid triggering the document click handler to dismiss the clock
+                e.stopPropagation();
+                DateTimeShortcuts.openClock(num);
+            });
+
+            quickElement(
+                'span', clock_link, '',
+                'class', 'clock-icon',
+                'title', gettext('Choose a Time')
+            );
+            shortcuts_span.appendChild(document.createTextNode('\u00A0'));
+            shortcuts_span.appendChild(now_link);
+            shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
+            shortcuts_span.appendChild(clock_link);
+
+            // Create clock link div
+            //
+            // Markup looks like:
+            // <div id="clockbox1" class="clockbox module">
+            //     <h2>Choose a time</h2>
+            //     <ul class="timelist">
+            //         <li><a href="#">Now</a></li>
+            //         <li><a href="#">Midnight</a></li>
+            //         <li><a href="#">6 a.m.</a></li>
+            //         <li><a href="#">Noon</a></li>
+            //         <li><a href="#">6 p.m.</a></li>
+            //     </ul>
+            //     <p class="calendar-cancel"><a href="#">Cancel</a></p>
+            // </div>
+
+            const clock_box = document.createElement('div');
+            clock_box.style.display = 'none';
+            clock_box.style.position = 'absolute';
+            clock_box.className = 'clockbox module';
+            clock_box.id = DateTimeShortcuts.clockDivName + num;
+            document.body.appendChild(clock_box);
+            clock_box.addEventListener('click', function(e) { e.stopPropagation(); });
+
+            quickElement('h2', clock_box, gettext('Choose a time'));
+            const time_list = quickElement('ul', clock_box);
+            time_list.className = 'timelist';
+            // The list of choices can be overridden in JavaScript like this:
+            // DateTimeShortcuts.clockHours.name = [['3 a.m.', 3]];
+            // where name is the name attribute of the <input>.
+            const name = typeof DateTimeShortcuts.clockHours[inp.name] === 'undefined' ? 'default_' : inp.name;
+            DateTimeShortcuts.clockHours[name].forEach(function(element) {
+                const time_link = quickElement('a', quickElement('li', time_list), gettext(element[0]), 'href', '#');
+                time_link.addEventListener('click', function(e) {
+                    e.preventDefault();
+                    DateTimeShortcuts.handleClockQuicklink(num, element[1]);
+                });
+            });
+
+            const cancel_p = quickElement('p', clock_box);
+            cancel_p.className = 'calendar-cancel';
+            const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
+            cancel_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.dismissClock(num);
+            });
+
+            document.addEventListener('keyup', function(event) {
+                if (event.which === 27) {
+                    // ESC key closes popup
+                    DateTimeShortcuts.dismissClock(num);
+                    event.preventDefault();
+                }
+            });
+        },
+        openClock: function(num) {
+            const clock_box = document.getElementById(DateTimeShortcuts.clockDivName + num);
+            const clock_link = document.getElementById(DateTimeShortcuts.clockLinkName + num);
+
+            // Recalculate the clockbox position
+            // is it left-to-right or right-to-left layout ?
+            if (window.getComputedStyle(document.body).direction !== 'rtl') {
+                clock_box.style.left = findPosX(clock_link) + 17 + 'px';
+            }
+            else {
+                // since style's width is in em, it'd be tough to calculate
+                // px value of it. let's use an estimated px for now
+                clock_box.style.left = findPosX(clock_link) - 110 + 'px';
+            }
+            clock_box.style.top = Math.max(0, findPosY(clock_link) - 30) + 'px';
+
+            // Show the clock box
+            clock_box.style.display = 'block';
+            document.addEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
+        },
+        dismissClock: function(num) {
+            document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
+            document.removeEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
+        },
+        handleClockQuicklink: function(num, val) {
+            let d;
+            if (val === -1) {
+                d = DateTimeShortcuts.now();
+            }
+            else {
+                d = new Date(1970, 1, 1, val, 0, 0, 0);
+            }
+            DateTimeShortcuts.clockInputs[num].value = d.strftime(get_format('TIME_INPUT_FORMATS')[0]);
+            DateTimeShortcuts.clockInputs[num].focus();
+            DateTimeShortcuts.dismissClock(num);
+        },
+        // Add calendar widget to a given field.
+        addCalendar: function(inp) {
+            const num = DateTimeShortcuts.calendars.length;
+
+            DateTimeShortcuts.calendarInputs[num] = inp;
+            DateTimeShortcuts.dismissCalendarFunc[num] = function() { DateTimeShortcuts.dismissCalendar(num); return true; };
+
+            // Shortcut links (calendar icon and "Today" link)
+            const shortcuts_span = document.createElement('span');
+            shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
+            inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
+            const today_link = document.createElement('a');
+            today_link.href = '#';
+            today_link.appendChild(document.createTextNode(gettext('Today')));
+            today_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.handleCalendarQuickLink(num, 0);
+            });
+            const cal_link = document.createElement('a');
+            cal_link.href = '#';
+            cal_link.id = DateTimeShortcuts.calendarLinkName + num;
+            cal_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                // avoid triggering the document click handler to dismiss the calendar
+                e.stopPropagation();
+                DateTimeShortcuts.openCalendar(num);
+            });
+            quickElement(
+                'span', cal_link, '',
+                'class', 'date-icon',
+                'title', gettext('Choose a Date')
+            );
+            shortcuts_span.appendChild(document.createTextNode('\u00A0'));
+            shortcuts_span.appendChild(today_link);
+            shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
+            shortcuts_span.appendChild(cal_link);
+
+            // Create calendarbox div.
+            //
+            // Markup looks like:
+            //
+            // <div id="calendarbox3" class="calendarbox module">
+            //     <h2>
+            //           <a href="#" class="link-previous">&lsaquo;</a>
+            //           <a href="#" class="link-next">&rsaquo;</a> February 2003
+            //     </h2>
+            //     <div class="calendar" id="calendarin3">
+            //         <!-- (cal) -->
+            //     </div>
+            //     <div class="calendar-shortcuts">
+            //          <a href="#">Yesterday</a> | <a href="#">Today</a> | <a href="#">Tomorrow</a>
+            //     </div>
+            //     <p class="calendar-cancel"><a href="#">Cancel</a></p>
+            // </div>
+            const cal_box = document.createElement('div');
+            cal_box.style.display = 'none';
+            cal_box.style.position = 'absolute';
+            cal_box.className = 'calendarbox module';
+            cal_box.id = DateTimeShortcuts.calendarDivName1 + num;
+            document.body.appendChild(cal_box);
+            cal_box.addEventListener('click', function(e) { e.stopPropagation(); });
+
+            // next-prev links
+            const cal_nav = quickElement('div', cal_box);
+            const cal_nav_prev = quickElement('a', cal_nav, '<', 'href', '#');
+            cal_nav_prev.className = 'calendarnav-previous';
+            cal_nav_prev.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.drawPrev(num);
+            });
+
+            const cal_nav_next = quickElement('a', cal_nav, '>', 'href', '#');
+            cal_nav_next.className = 'calendarnav-next';
+            cal_nav_next.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.drawNext(num);
+            });
+
+            // main box
+            const cal_main = quickElement('div', cal_box, '', 'id', DateTimeShortcuts.calendarDivName2 + num);
+            cal_main.className = 'calendar';
+            DateTimeShortcuts.calendars[num] = new Calendar(DateTimeShortcuts.calendarDivName2 + num, DateTimeShortcuts.handleCalendarCallback(num));
+            DateTimeShortcuts.calendars[num].drawCurrent();
+
+            // calendar shortcuts
+            const shortcuts = quickElement('div', cal_box);
+            shortcuts.className = 'calendar-shortcuts';
+            let day_link = quickElement('a', shortcuts, gettext('Yesterday'), 'href', '#');
+            day_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.handleCalendarQuickLink(num, -1);
+            });
+            shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
+            day_link = quickElement('a', shortcuts, gettext('Today'), 'href', '#');
+            day_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.handleCalendarQuickLink(num, 0);
+            });
+            shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
+            day_link = quickElement('a', shortcuts, gettext('Tomorrow'), 'href', '#');
+            day_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.handleCalendarQuickLink(num, +1);
+            });
+
+            // cancel bar
+            const cancel_p = quickElement('p', cal_box);
+            cancel_p.className = 'calendar-cancel';
+            const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
+            cancel_link.addEventListener('click', function(e) {
+                e.preventDefault();
+                DateTimeShortcuts.dismissCalendar(num);
+            });
+            document.addEventListener('keyup', function(event) {
+                if (event.which === 27) {
+                    // ESC key closes popup
+                    DateTimeShortcuts.dismissCalendar(num);
+                    event.preventDefault();
+                }
+            });
+        },
+        openCalendar: function(num) {
+            const cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1 + num);
+            const cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName + num);
+            const inp = DateTimeShortcuts.calendarInputs[num];
+
+            // Determine if the current value in the input has a valid date.
+            // If so, draw the calendar with that date's year and month.
+            if (inp.value) {
+                const format = get_format('DATE_INPUT_FORMATS')[0];
+                const selected = inp.value.strptime(format);
+                const year = selected.getUTCFullYear();
+                const month = selected.getUTCMonth() + 1;
+                const re = /\d{4}/;
+                if (re.test(year.toString()) && month >= 1 && month <= 12) {
+                    DateTimeShortcuts.calendars[num].drawDate(month, year, selected);
+                }
+            }
+
+            // Recalculate the clockbox position
+            // is it left-to-right or right-to-left layout ?
+            if (window.getComputedStyle(document.body).direction !== 'rtl') {
+                cal_box.style.left = findPosX(cal_link) + 17 + 'px';
+            }
+            else {
+                // since style's width is in em, it'd be tough to calculate
+                // px value of it. let's use an estimated px for now
+                cal_box.style.left = findPosX(cal_link) - 180 + 'px';
+            }
+            cal_box.style.top = Math.max(0, findPosY(cal_link) - 75) + 'px';
+
+            cal_box.style.display = 'block';
+            document.addEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
+        },
+        dismissCalendar: function(num) {
+            document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
+            document.removeEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
+        },
+        drawPrev: function(num) {
+            DateTimeShortcuts.calendars[num].drawPreviousMonth();
+        },
+        drawNext: function(num) {
+            DateTimeShortcuts.calendars[num].drawNextMonth();
+        },
+        handleCalendarCallback: function(num) {
+            const format = get_format('DATE_INPUT_FORMATS')[0];
+            return function(y, m, d) {
+                DateTimeShortcuts.calendarInputs[num].value = new Date(y, m - 1, d).strftime(format);
+                DateTimeShortcuts.calendarInputs[num].focus();
+                document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
+            };
+        },
+        handleCalendarQuickLink: function(num, offset) {
+            const d = DateTimeShortcuts.now();
+            d.setDate(d.getDate() + offset);
+            DateTimeShortcuts.calendarInputs[num].value = d.strftime(get_format('DATE_INPUT_FORMATS')[0]);
+            DateTimeShortcuts.calendarInputs[num].focus();
+            DateTimeShortcuts.dismissCalendar(num);
+        }
+    };
+
+    window.addEventListener('load', DateTimeShortcuts.init);
+    window.DateTimeShortcuts = DateTimeShortcuts;
+}

src/static/admin/js/admin/RelatedObjectLookups.js

@@ -0,0 +1,240 @@
+/*global SelectBox, interpolate*/
+// Handles related-objects functionality: lookup link for raw_id_fields
+// and Add Another links.
+'use strict';
+{
+    const $ = django.jQuery;
+    let popupIndex = 0;
+    const relatedWindows = [];
+
+    function dismissChildPopups() {
+        relatedWindows.forEach(function(win) {
+            if(!win.closed) {
+                win.dismissChildPopups();
+                win.close();    
+            }
+        });
+    }
+
+    function setPopupIndex() {
+        if(document.getElementsByName("_popup").length > 0) {
+            const index = window.name.lastIndexOf("__") + 2;
+            popupIndex = parseInt(window.name.substring(index));   
+        } else {
+            popupIndex = 0;
+        }
+    }
+
+    function addPopupIndex(name) {
+        return name + "__" + (popupIndex + 1);
+    }
+
+    function removePopupIndex(name) {
+        return name.replace(new RegExp("__" + (popupIndex + 1) + "$"), '');
+    }
+
+    function showAdminPopup(triggeringLink, name_regexp, add_popup) {
+        const name = addPopupIndex(triggeringLink.id.replace(name_regexp, ''));
+        const href = new URL(triggeringLink.href);
+        if (add_popup) {
+            href.searchParams.set('_popup', 1);
+        }
+        const win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
+        relatedWindows.push(win);
+        win.focus();
+        return false;
+    }
+
+    function showRelatedObjectLookupPopup(triggeringLink) {
+        return showAdminPopup(triggeringLink, /^lookup_/, true);
+    }
+
+    function dismissRelatedLookupPopup(win, chosenId) {
+        const name = removePopupIndex(win.name);
+        const elem = document.getElementById(name);
+        if (elem.classList.contains('vManyToManyRawIdAdminField') && elem.value) {
+            elem.value += ',' + chosenId;
+        } else {
+            document.getElementById(name).value = chosenId;
+        }
+        const index = relatedWindows.indexOf(win);
+        if (index > -1) {
+            relatedWindows.splice(index, 1);
+        }
+        win.close();
+    }
+
+    function showRelatedObjectPopup(triggeringLink) {
+        return showAdminPopup(triggeringLink, /^(change|add|delete)_/, false);
+    }
+
+    function updateRelatedObjectLinks(triggeringLink) {
+        const $this = $(triggeringLink);
+        const siblings = $this.nextAll('.view-related, .change-related, .delete-related');
+        if (!siblings.length) {
+            return;
+        }
+        const value = $this.val();
+        if (value) {
+            siblings.each(function() {
+                const elm = $(this);
+                elm.attr('href', elm.attr('data-href-template').replace('__fk__', value));
+                elm.removeAttr('aria-disabled');
+            });
+        } else {
+            siblings.removeAttr('href');
+            siblings.attr('aria-disabled', true);
+        }
+    }
+
+    function updateRelatedSelectsOptions(currentSelect, win, objId, newRepr, newId) {
+        // After create/edit a model from the options next to the current
+        // select (+ or :pencil:) update ForeignKey PK of the rest of selects
+        // in the page.
+
+        const path = win.location.pathname;
+        // Extract the model from the popup url '.../<model>/add/' or
+        // '.../<model>/<id>/change/' depending the action (add or change).
+        const modelName = path.split('/')[path.split('/').length - (objId ? 4 : 3)];
+        // Select elements with a specific model reference and context of "available-source".
+        const selectsRelated = document.querySelectorAll(`[data-model-ref="${modelName}"] [data-context="available-source"]`);
+
+        selectsRelated.forEach(function(select) {
+            if (currentSelect === select) {
+                return;
+            }
+
+            let option = select.querySelector(`option[value="${objId}"]`);
+
+            if (!option) {
+                option = new Option(newRepr, newId);
+                select.options.add(option);
+                return;
+            }
+
+            option.textContent = newRepr;
+            option.value = newId;
+        });
+    }
+
+    function dismissAddRelatedObjectPopup(win, newId, newRepr) {
+        const name = removePopupIndex(win.name);
+        const elem = document.getElementById(name);
+        if (elem) {
+            const elemName = elem.nodeName.toUpperCase();
+            if (elemName === 'SELECT') {
+                elem.options[elem.options.length] = new Option(newRepr, newId, true, true);
+                updateRelatedSelectsOptions(elem, win, null, newRepr, newId);
+            } else if (elemName === 'INPUT') {
+                if (elem.classList.contains('vManyToManyRawIdAdminField') && elem.value) {
+                    elem.value += ',' + newId;
+                } else {
+                    elem.value = newId;
+                }
+            }
+            // Trigger a change event to update related links if required.
+            $(elem).trigger('change');
+        } else {
+            const toId = name + "_to";
+            const o = new Option(newRepr, newId);
+            SelectBox.add_to_cache(toId, o);
+            SelectBox.redisplay(toId);
+        }
+        const index = relatedWindows.indexOf(win);
+        if (index > -1) {
+            relatedWindows.splice(index, 1);
+        }
+        win.close();
+    }
+
+    function dismissChangeRelatedObjectPopup(win, objId, newRepr, newId) {
+        const id = removePopupIndex(win.name.replace(/^edit_/, ''));
+        const selectsSelector = interpolate('#%s, #%s_from, #%s_to', [id, id, id]);
+        const selects = $(selectsSelector);
+        selects.find('option').each(function() {
+            if (this.value === objId) {
+                this.textContent = newRepr;
+                this.value = newId;
+            }
+        }).trigger('change');
+        updateRelatedSelectsOptions(selects[0], win, objId, newRepr, newId);
+        selects.next().find('.select2-selection__rendered').each(function() {
+            // The element can have a clear button as a child.
+            // Use the lastChild to modify only the displayed value.
+            this.lastChild.textContent = newRepr;
+            this.title = newRepr;
+        });
+        const index = relatedWindows.indexOf(win);
+        if (index > -1) {
+            relatedWindows.splice(index, 1);
+        }
+        win.close();
+    }
+
+    function dismissDeleteRelatedObjectPopup(win, objId) {
+        const id = removePopupIndex(win.name.replace(/^delete_/, ''));
+        const selectsSelector = interpolate('#%s, #%s_from, #%s_to', [id, id, id]);
+        const selects = $(selectsSelector);
+        selects.find('option').each(function() {
+            if (this.value === objId) {
+                $(this).remove();
+            }
+        }).trigger('change');
+        const index = relatedWindows.indexOf(win);
+        if (index > -1) {
+            relatedWindows.splice(index, 1);
+        }
+        win.close();
+    }
+
+    window.showRelatedObjectLookupPopup = showRelatedObjectLookupPopup;
+    window.dismissRelatedLookupPopup = dismissRelatedLookupPopup;
+    window.showRelatedObjectPopup = showRelatedObjectPopup;
+    window.updateRelatedObjectLinks = updateRelatedObjectLinks;
+    window.dismissAddRelatedObjectPopup = dismissAddRelatedObjectPopup;
+    window.dismissChangeRelatedObjectPopup = dismissChangeRelatedObjectPopup;
+    window.dismissDeleteRelatedObjectPopup = dismissDeleteRelatedObjectPopup;
+    window.dismissChildPopups = dismissChildPopups;
+
+    // Kept for backward compatibility
+    window.showAddAnotherPopup = showRelatedObjectPopup;
+    window.dismissAddAnotherPopup = dismissAddRelatedObjectPopup;
+
+    window.addEventListener('unload', function(evt) {
+        window.dismissChildPopups();
+    });
+
+    $(document).ready(function() {
+        setPopupIndex();
+        $("a[data-popup-opener]").on('click', function(event) {
+            event.preventDefault();
+            opener.dismissRelatedLookupPopup(window, $(this).data("popup-opener"));
+        });
+        $('body').on('click', '.related-widget-wrapper-link[data-popup="yes"]', function(e) {
+            e.preventDefault();
+            if (this.href) {
+                const event = $.Event('django:show-related', {href: this.href});
+                $(this).trigger(event);
+                if (!event.isDefaultPrevented()) {
+                    showRelatedObjectPopup(this);
+                }
+            }
+        });
+        $('body').on('change', '.related-widget-wrapper select', function(e) {
+            const event = $.Event('django:update-related');
+            $(this).trigger(event);
+            if (!event.isDefaultPrevented()) {
+                updateRelatedObjectLinks(this);
+            }
+        });
+        $('.related-widget-wrapper select').trigger('change');
+        $('body').on('click', '.related-lookup', function(e) {
+            e.preventDefault();
+            const event = $.Event('django:lookup-related');
+            $(this).trigger(event);
+            if (!event.isDefaultPrevented()) {
+                showRelatedObjectLookupPopup(this);
+            }
+        });
+    });
+}

src/static/admin/js/autocomplete.js

@@ -0,0 +1,33 @@
+'use strict';
+{
+    const $ = django.jQuery;
+
+    $.fn.djangoAdminSelect2 = function() {
+        $.each(this, function(i, element) {
+            $(element).select2({
+                ajax: {
+                    data: (params) => {
+                        return {
+                            term: params.term,
+                            page: params.page,
+                            app_label: element.dataset.appLabel,
+                            model_name: element.dataset.modelName,
+                            field_name: element.dataset.fieldName
+                        };
+                    }
+                }
+            });
+        });
+        return this;
+    };
+
+    $(function() {
+        // Initialize all autocomplete widgets except the one in the template
+        // form used when a new formset is added.
+        $('.admin-autocomplete').not('[name*=__prefix__]').djangoAdminSelect2();
+    });
+
+    document.addEventListener('formset:added', (event) => {
+        $(event.target).find('.admin-autocomplete').djangoAdminSelect2();
+    });
+}

src/static/admin/js/calendar.js

@@ -0,0 +1,239 @@
+/*global gettext, pgettext, get_format, quickElement, removeChildren*/
+/*
+calendar.js - Calendar functions by Adrian Holovaty
+depends on core.js for utility functions like removeChildren or quickElement
+*/
+'use strict';
+{
+    // CalendarNamespace -- Provides a collection of HTML calendar-related helper functions
+    const CalendarNamespace = {
+        monthsOfYear: [
+            gettext('January'),
+            gettext('February'),
+            gettext('March'),
+            gettext('April'),
+            gettext('May'),
+            gettext('June'),
+            gettext('July'),
+            gettext('August'),
+            gettext('September'),
+            gettext('October'),
+            gettext('November'),
+            gettext('December')
+        ],
+        monthsOfYearAbbrev: [
+            pgettext('abbrev. month January', 'Jan'),
+            pgettext('abbrev. month February', 'Feb'),
+            pgettext('abbrev. month March', 'Mar'),
+            pgettext('abbrev. month April', 'Apr'),
+            pgettext('abbrev. month May', 'May'),
+            pgettext('abbrev. month June', 'Jun'),
+            pgettext('abbrev. month July', 'Jul'),
+            pgettext('abbrev. month August', 'Aug'),
+            pgettext('abbrev. month September', 'Sep'),
+            pgettext('abbrev. month October', 'Oct'),
+            pgettext('abbrev. month November', 'Nov'),
+            pgettext('abbrev. month December', 'Dec')
+        ],
+        daysOfWeek: [
+            gettext('Sunday'),
+            gettext('Monday'),
+            gettext('Tuesday'),
+            gettext('Wednesday'),
+            gettext('Thursday'),
+            gettext('Friday'),
+            gettext('Saturday')
+        ],
+        daysOfWeekAbbrev: [
+            pgettext('abbrev. day Sunday', 'Sun'),
+            pgettext('abbrev. day Monday', 'Mon'),
+            pgettext('abbrev. day Tuesday', 'Tue'),
+            pgettext('abbrev. day Wednesday', 'Wed'),
+            pgettext('abbrev. day Thursday', 'Thur'),
+            pgettext('abbrev. day Friday', 'Fri'),
+            pgettext('abbrev. day Saturday', 'Sat')
+        ],
+        daysOfWeekInitial: [
+            pgettext('one letter Sunday', 'S'),
+            pgettext('one letter Monday', 'M'),
+            pgettext('one letter Tuesday', 'T'),
+            pgettext('one letter Wednesday', 'W'),
+            pgettext('one letter Thursday', 'T'),
+            pgettext('one letter Friday', 'F'),
+            pgettext('one letter Saturday', 'S')
+        ],
+        firstDayOfWeek: parseInt(get_format('FIRST_DAY_OF_WEEK')),
+        isLeapYear: function(year) {
+            return (((year % 4) === 0) && ((year % 100) !== 0 ) || ((year % 400) === 0));
+        },
+        getDaysInMonth: function(month, year) {
+            let days;
+            if (month === 1 || month === 3 || month === 5 || month === 7 || month === 8 || month === 10 || month === 12) {
+                days = 31;
+            }
+            else if (month === 4 || month === 6 || month === 9 || month === 11) {
+                days = 30;
+            }
+            else if (month === 2 && CalendarNamespace.isLeapYear(year)) {
+                days = 29;
+            }
+            else {
+                days = 28;
+            }
+            return days;
+        },
+        draw: function(month, year, div_id, callback, selected) { // month = 1-12, year = 1-9999
+            const today = new Date();
+            const todayDay = today.getDate();
+            const todayMonth = today.getMonth() + 1;
+            const todayYear = today.getFullYear();
+            let todayClass = '';
+
+            // Use UTC functions here because the date field does not contain time
+            // and using the UTC function variants prevent the local time offset
+            // from altering the date, specifically the day field.  For example:
+            //
+            // ```
+            // var x = new Date('2013-10-02');
+            // var day = x.getDate();
+            // ```
+            //
+            // The day variable above will be 1 instead of 2 in, say, US Pacific time
+            // zone.
+            let isSelectedMonth = false;
+            if (typeof selected !== 'undefined') {
+                isSelectedMonth = (selected.getUTCFullYear() === year && (selected.getUTCMonth() + 1) === month);
+            }
+
+            month = parseInt(month);
+            year = parseInt(year);
+            const calDiv = document.getElementById(div_id);
+            removeChildren(calDiv);
+            const calTable = document.createElement('table');
+            quickElement('caption', calTable, CalendarNamespace.monthsOfYear[month - 1] + ' ' + year);
+            const tableBody = quickElement('tbody', calTable);
+
+            // Draw days-of-week header
+            let tableRow = quickElement('tr', tableBody);
+            for (let i = 0; i < 7; i++) {
+                quickElement('th', tableRow, CalendarNamespace.daysOfWeekInitial[(i + CalendarNamespace.firstDayOfWeek) % 7]);
+            }
+
+            const startingPos = new Date(year, month - 1, 1 - CalendarNamespace.firstDayOfWeek).getDay();
+            const days = CalendarNamespace.getDaysInMonth(month, year);
+
+            let nonDayCell;
+
+            // Draw blanks before first of month
+            tableRow = quickElement('tr', tableBody);
+            for (let i = 0; i < startingPos; i++) {
+                nonDayCell = quickElement('td', tableRow, ' ');
+                nonDayCell.className = "nonday";
+            }
+
+            function calendarMonth(y, m) {
+                function onClick(e) {
+                    e.preventDefault();
+                    callback(y, m, this.textContent);
+                }
+                return onClick;
+            }
+
+            // Draw days of month
+            let currentDay = 1;
+            for (let i = startingPos; currentDay <= days; i++) {
+                if (i % 7 === 0 && currentDay !== 1) {
+                    tableRow = quickElement('tr', tableBody);
+                }
+                if ((currentDay === todayDay) && (month === todayMonth) && (year === todayYear)) {
+                    todayClass = 'today';
+                } else {
+                    todayClass = '';
+                }
+
+                // use UTC function; see above for explanation.
+                if (isSelectedMonth && currentDay === selected.getUTCDate()) {
+                    if (todayClass !== '') {
+                        todayClass += " ";
+                    }
+                    todayClass += "selected";
+                }
+
+                const cell = quickElement('td', tableRow, '', 'class', todayClass);
+                const link = quickElement('a', cell, currentDay, 'href', '#');
+                link.addEventListener('click', calendarMonth(year, month));
+                currentDay++;
+            }
+
+            // Draw blanks after end of month (optional, but makes for valid code)
+            while (tableRow.childNodes.length < 7) {
+                nonDayCell = quickElement('td', tableRow, ' ');
+                nonDayCell.className = "nonday";
+            }
+
+            calDiv.appendChild(calTable);
+        }
+    };
+
+    // Calendar -- A calendar instance
+    function Calendar(div_id, callback, selected) {
+        // div_id (string) is the ID of the element in which the calendar will
+        //     be displayed
+        // callback (string) is the name of a JavaScript function that will be
+        //     called with the parameters (year, month, day) when a day in the
+        //     calendar is clicked
+        this.div_id = div_id;
+        this.callback = callback;
+        this.today = new Date();
+        this.currentMonth = this.today.getMonth() + 1;
+        this.currentYear = this.today.getFullYear();
+        if (typeof selected !== 'undefined') {
+            this.selected = selected;
+        }
+    }
+    Calendar.prototype = {
+        drawCurrent: function() {
+            CalendarNamespace.draw(this.currentMonth, this.currentYear, this.div_id, this.callback, this.selected);
+        },
+        drawDate: function(month, year, selected) {
+            this.currentMonth = month;
+            this.currentYear = year;
+
+            if(selected) {
+                this.selected = selected;
+            }
+
+            this.drawCurrent();
+        },
+        drawPreviousMonth: function() {
+            if (this.currentMonth === 1) {
+                this.currentMonth = 12;
+                this.currentYear--;
+            }
+            else {
+                this.currentMonth--;
+            }
+            this.drawCurrent();
+        },
+        drawNextMonth: function() {
+            if (this.currentMonth === 12) {
+                this.currentMonth = 1;
+                this.currentYear++;
+            }
+            else {
+                this.currentMonth++;
+            }
+            this.drawCurrent();
+        },
+        drawPreviousYear: function() {
+            this.currentYear--;
+            this.drawCurrent();
+        },
+        drawNextYear: function() {
+            this.currentYear++;
+            this.drawCurrent();
+        }
+    };
+    window.Calendar = Calendar;
+    window.CalendarNamespace = CalendarNamespace;
+}

src/static/admin/js/cancel.js

@@ -0,0 +1,29 @@
+'use strict';
+{
+    // Call function fn when the DOM is loaded and ready. If it is already
+    // loaded, call the function now.
+    // http://youmightnotneedjquery.com/#ready
+    function ready(fn) {
+        if (document.readyState !== 'loading') {
+            fn();
+        } else {
+            document.addEventListener('DOMContentLoaded', fn);
+        }
+    }
+
+    ready(function() {
+        function handleClick(event) {
+            event.preventDefault();
+            const params = new URLSearchParams(window.location.search);
+            if (params.has('_popup')) {
+                window.close(); // Close the popup.
+            } else {
+                window.history.back(); // Otherwise, go back.
+            }
+        }
+
+        document.querySelectorAll('.cancel-link').forEach(function(el) {
+            el.addEventListener('click', handleClick);
+        });
+    });
+}

src/static/admin/js/change_form.js

@@ -0,0 +1,16 @@
+'use strict';
+{
+    const inputTags = ['BUTTON', 'INPUT', 'SELECT', 'TEXTAREA'];
+    const modelName = document.getElementById('django-admin-form-add-constants').dataset.modelName;
+    if (modelName) {
+        const form = document.getElementById(modelName + '_form');
+        for (const element of form.elements) {
+            // HTMLElement.offsetParent returns null when the element is not
+            // rendered.
+            if (inputTags.includes(element.tagName) && !element.disabled && element.offsetParent) {
+                element.focus();
+                break;
+            }
+        }
+    }
+}

src/static/admin/js/core.js

@@ -0,0 +1,184 @@
+// Core JavaScript helper functions
+'use strict';
+
+// quickElement(tagType, parentReference [, textInChildNode, attribute, attributeValue ...]);
+function quickElement() {
+    const obj = document.createElement(arguments[0]);
+    if (arguments[2]) {
+        const textNode = document.createTextNode(arguments[2]);
+        obj.appendChild(textNode);
+    }
+    const len = arguments.length;
+    for (let i = 3; i < len; i += 2) {
+        obj.setAttribute(arguments[i], arguments[i + 1]);
+    }
+    arguments[1].appendChild(obj);
+    return obj;
+}
+
+// "a" is reference to an object
+function removeChildren(a) {
+    while (a.hasChildNodes()) {
+        a.removeChild(a.lastChild);
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Find-position functions by PPK
+// See https://www.quirksmode.org/js/findpos.html
+// ----------------------------------------------------------------------------
+function findPosX(obj) {
+    let curleft = 0;
+    if (obj.offsetParent) {
+        while (obj.offsetParent) {
+            curleft += obj.offsetLeft - obj.scrollLeft;
+            obj = obj.offsetParent;
+        }
+    } else if (obj.x) {
+        curleft += obj.x;
+    }
+    return curleft;
+}
+
+function findPosY(obj) {
+    let curtop = 0;
+    if (obj.offsetParent) {
+        while (obj.offsetParent) {
+            curtop += obj.offsetTop - obj.scrollTop;
+            obj = obj.offsetParent;
+        }
+    } else if (obj.y) {
+        curtop += obj.y;
+    }
+    return curtop;
+}
+
+//-----------------------------------------------------------------------------
+// Date object extensions
+// ----------------------------------------------------------------------------
+{
+    Date.prototype.getTwelveHours = function() {
+        return this.getHours() % 12 || 12;
+    };
+
+    Date.prototype.getTwoDigitMonth = function() {
+        return (this.getMonth() < 9) ? '0' + (this.getMonth() + 1) : (this.getMonth() + 1);
+    };
+
+    Date.prototype.getTwoDigitDate = function() {
+        return (this.getDate() < 10) ? '0' + this.getDate() : this.getDate();
+    };
+
+    Date.prototype.getTwoDigitTwelveHour = function() {
+        return (this.getTwelveHours() < 10) ? '0' + this.getTwelveHours() : this.getTwelveHours();
+    };
+
+    Date.prototype.getTwoDigitHour = function() {
+        return (this.getHours() < 10) ? '0' + this.getHours() : this.getHours();
+    };
+
+    Date.prototype.getTwoDigitMinute = function() {
+        return (this.getMinutes() < 10) ? '0' + this.getMinutes() : this.getMinutes();
+    };
+
+    Date.prototype.getTwoDigitSecond = function() {
+        return (this.getSeconds() < 10) ? '0' + this.getSeconds() : this.getSeconds();
+    };
+
+    Date.prototype.getAbbrevDayName = function() {
+        return typeof window.CalendarNamespace === "undefined"
+            ? '0' + this.getDay()
+            : window.CalendarNamespace.daysOfWeekAbbrev[this.getDay()];
+    };
+
+    Date.prototype.getFullDayName = function() {
+        return typeof window.CalendarNamespace === "undefined"
+            ? '0' + this.getDay()
+            : window.CalendarNamespace.daysOfWeek[this.getDay()];
+    };
+
+    Date.prototype.getAbbrevMonthName = function() {
+        return typeof window.CalendarNamespace === "undefined"
+            ? this.getTwoDigitMonth()
+            : window.CalendarNamespace.monthsOfYearAbbrev[this.getMonth()];
+    };
+
+    Date.prototype.getFullMonthName = function() {
+        return typeof window.CalendarNamespace === "undefined"
+            ? this.getTwoDigitMonth()
+            : window.CalendarNamespace.monthsOfYear[this.getMonth()];
+    };
+
+    Date.prototype.strftime = function(format) {
+        const fields = {
+            a: this.getAbbrevDayName(),
+            A: this.getFullDayName(),
+            b: this.getAbbrevMonthName(),
+            B: this.getFullMonthName(),
+            c: this.toString(),
+            d: this.getTwoDigitDate(),
+            H: this.getTwoDigitHour(),
+            I: this.getTwoDigitTwelveHour(),
+            m: this.getTwoDigitMonth(),
+            M: this.getTwoDigitMinute(),
+            p: (this.getHours() >= 12) ? 'PM' : 'AM',
+            S: this.getTwoDigitSecond(),
+            w: '0' + this.getDay(),
+            x: this.toLocaleDateString(),
+            X: this.toLocaleTimeString(),
+            y: ('' + this.getFullYear()).substr(2, 4),
+            Y: '' + this.getFullYear(),
+            '%': '%'
+        };
+        let result = '', i = 0;
+        while (i < format.length) {
+            if (format.charAt(i) === '%') {
+                result += fields[format.charAt(i + 1)];
+                ++i;
+            }
+            else {
+                result += format.charAt(i);
+            }
+            ++i;
+        }
+        return result;
+    };
+
+    // ----------------------------------------------------------------------------
+    // String object extensions
+    // ----------------------------------------------------------------------------
+    String.prototype.strptime = function(format) {
+        const split_format = format.split(/[.\-/]/);
+        const date = this.split(/[.\-/]/);
+        let i = 0;
+        let day, month, year;
+        while (i < split_format.length) {
+            switch (split_format[i]) {
+            case "%d":
+                day = date[i];
+                break;
+            case "%m":
+                month = date[i] - 1;
+                break;
+            case "%Y":
+                year = date[i];
+                break;
+            case "%y":
+                // A %y value in the range of [00, 68] is in the current
+                // century, while [69, 99] is in the previous century,
+                // according to the Open Group Specification.
+                if (parseInt(date[i], 10) >= 69) {
+                    year = date[i];
+                } else {
+                    year = (new Date(Date.UTC(date[i], 0))).getUTCFullYear() + 100;
+                }
+                break;
+            }
+            ++i;
+        }
+        // Create Date object from UTC since the parsed value is supposed to be
+        // in UTC, not local time. Also, the calendar uses UTC functions for
+        // date extraction.
+        return new Date(Date.UTC(year, month, day));
+    };
+}

src/static/admin/js/filters.js

@@ -0,0 +1,30 @@
+/**
+ * Persist changelist filters state (collapsed/expanded).
+ */
+'use strict';
+{
+    // Init filters.
+    let filters = JSON.parse(sessionStorage.getItem('django.admin.filtersState'));
+
+    if (!filters) {
+        filters = {};
+    }
+
+    Object.entries(filters).forEach(([key, value]) => {
+        const detailElement = document.querySelector(`[data-filter-title='${CSS.escape(key)}']`);
+
+        // Check if the filter is present, it could be from other view.
+        if (detailElement) {
+            value ? detailElement.setAttribute('open', '') : detailElement.removeAttribute('open');
+        }
+    });
+
+    // Save filter state when clicks.
+    const details = document.querySelectorAll('details');
+    details.forEach(detail => {
+        detail.addEventListener('toggle', event => {
+            filters[`${event.target.dataset.filterTitle}`] = detail.open;
+            sessionStorage.setItem('django.admin.filtersState', JSON.stringify(filters));
+        });
+    });
+}

src/static/admin/js/inlines.js

@@ -0,0 +1,359 @@
+/*global DateTimeShortcuts, SelectFilter*/
+/**
+ * Django admin inlines
+ *
+ * Based on jQuery Formset 1.1
+ * @author Stanislaus Madueke (stan DOT madueke AT gmail DOT com)
+ * @requires jQuery 1.2.6 or later
+ *
+ * Copyright (c) 2009, Stanislaus Madueke
+ * All rights reserved.
+ *
+ * Spiced up with Code from Zain Memon's GSoC project 2009
+ * and modified for Django by Jannis Leidel, Travis Swicegood and Julien Phalip.
+ *
+ * Licensed under the New BSD License
+ * See: https://opensource.org/licenses/bsd-license.php
+ */
+'use strict';
+{
+    const $ = django.jQuery;
+    $.fn.formset = function(opts) {
+        const options = $.extend({}, $.fn.formset.defaults, opts);
+        const $this = $(this);
+        const $parent = $this.parent();
+        const updateElementIndex = function(el, prefix, ndx) {
+            const id_regex = new RegExp("(" + prefix + "-(\\d+|__prefix__))");
+            const replacement = prefix + "-" + ndx;
+            if ($(el).prop("for")) {
+                $(el).prop("for", $(el).prop("for").replace(id_regex, replacement));
+            }
+            if (el.id) {
+                el.id = el.id.replace(id_regex, replacement);
+            }
+            if (el.name) {
+                el.name = el.name.replace(id_regex, replacement);
+            }
+        };
+        const totalForms = $("#id_" + options.prefix + "-TOTAL_FORMS").prop("autocomplete", "off");
+        let nextIndex = parseInt(totalForms.val(), 10);
+        const maxForms = $("#id_" + options.prefix + "-MAX_NUM_FORMS").prop("autocomplete", "off");
+        const minForms = $("#id_" + options.prefix + "-MIN_NUM_FORMS").prop("autocomplete", "off");
+        let addButton;
+
+        /**
+         * The "Add another MyModel" button below the inline forms.
+         */
+        const addInlineAddButton = function() {
+            if (addButton === null) {
+                if ($this.prop("tagName") === "TR") {
+                    // If forms are laid out as table rows, insert the
+                    // "add" button in a new table row:
+                    const numCols = $this.eq(-1).children().length;
+                    $parent.append('<tr class="' + options.addCssClass + '"><td colspan="' + numCols + '"><a href="#">' + options.addText + "</a></tr>");
+                    addButton = $parent.find("tr:last a");
+                } else {
+                    // Otherwise, insert it immediately after the last form:
+                    $this.filter(":last").after('<div class="' + options.addCssClass + '"><a href="#">' + options.addText + "</a></div>");
+                    addButton = $this.filter(":last").next().find("a");
+                }
+            }
+            addButton.on('click', addInlineClickHandler);
+        };
+
+        const addInlineClickHandler = function(e) {
+            e.preventDefault();
+            const template = $("#" + options.prefix + "-empty");
+            const row = template.clone(true);
+            row.removeClass(options.emptyCssClass)
+                .addClass(options.formCssClass)
+                .attr("id", options.prefix + "-" + nextIndex);
+            addInlineDeleteButton(row);
+            row.find("*").each(function() {
+                updateElementIndex(this, options.prefix, totalForms.val());
+            });
+            // Insert the new form when it has been fully edited.
+            row.insertBefore($(template));
+            // Update number of total forms.
+            $(totalForms).val(parseInt(totalForms.val(), 10) + 1);
+            nextIndex += 1;
+            // Hide the add button if there's a limit and it's been reached.
+            if ((maxForms.val() !== '') && (maxForms.val() - totalForms.val()) <= 0) {
+                addButton.parent().hide();
+            }
+            // Show the remove buttons if there are more than min_num.
+            toggleDeleteButtonVisibility(row.closest('.inline-group'));
+
+            // Pass the new form to the post-add callback, if provided.
+            if (options.added) {
+                options.added(row);
+            }
+            row.get(0).dispatchEvent(new CustomEvent("formset:added", {
+                bubbles: true,
+                detail: {
+                    formsetName: options.prefix
+                }
+            }));
+        };
+
+        /**
+         * The "X" button that is part of every unsaved inline.
+         * (When saved, it is replaced with a "Delete" checkbox.)
+         */
+        const addInlineDeleteButton = function(row) {
+            if (row.is("tr")) {
+                // If the forms are laid out in table rows, insert
+                // the remove button into the last table cell:
+                row.children(":last").append('<div><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></div>");
+            } else if (row.is("ul") || row.is("ol")) {
+                // If they're laid out as an ordered/unordered list,
+                // insert an <li> after the last list item:
+                row.append('<li><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></li>");
+            } else {
+                // Otherwise, just insert the remove button as the
+                // last child element of the form's container:
+                row.children(":first").append('<span><a class="' + options.deleteCssClass + '" href="#">' + options.deleteText + "</a></span>");
+            }
+            // Add delete handler for each row.
+            row.find("a." + options.deleteCssClass).on('click', inlineDeleteHandler.bind(this));
+        };
+
+        const inlineDeleteHandler = function(e1) {
+            e1.preventDefault();
+            const deleteButton = $(e1.target);
+            const row = deleteButton.closest('.' + options.formCssClass);
+            const inlineGroup = row.closest('.inline-group');
+            // Remove the parent form containing this button,
+            // and also remove the relevant row with non-field errors:
+            const prevRow = row.prev();
+            if (prevRow.length && prevRow.hasClass('row-form-errors')) {
+                prevRow.remove();
+            }
+            row.remove();
+            nextIndex -= 1;
+            // Pass the deleted form to the post-delete callback, if provided.
+            if (options.removed) {
+                options.removed(row);
+            }
+            document.dispatchEvent(new CustomEvent("formset:removed", {
+                detail: {
+                    formsetName: options.prefix
+                }
+            }));
+            // Update the TOTAL_FORMS form count.
+            const forms = $("." + options.formCssClass);
+            $("#id_" + options.prefix + "-TOTAL_FORMS").val(forms.length);
+            // Show add button again once below maximum number.
+            if ((maxForms.val() === '') || (maxForms.val() - forms.length) > 0) {
+                addButton.parent().show();
+            }
+            // Hide the remove buttons if at min_num.
+            toggleDeleteButtonVisibility(inlineGroup);
+            // Also, update names and ids for all remaining form controls so
+            // they remain in sequence:
+            let i, formCount;
+            const updateElementCallback = function() {
+                updateElementIndex(this, options.prefix, i);
+            };
+            for (i = 0, formCount = forms.length; i < formCount; i++) {
+                updateElementIndex($(forms).get(i), options.prefix, i);
+                $(forms.get(i)).find("*").each(updateElementCallback);
+            }
+        };
+
+        const toggleDeleteButtonVisibility = function(inlineGroup) {
+            if ((minForms.val() !== '') && (minForms.val() - totalForms.val()) >= 0) {
+                inlineGroup.find('.inline-deletelink').hide();
+            } else {
+                inlineGroup.find('.inline-deletelink').show();
+            }
+        };
+
+        $this.each(function(i) {
+            $(this).not("." + options.emptyCssClass).addClass(options.formCssClass);
+        });
+
+        // Create the delete buttons for all unsaved inlines:
+        $this.filter('.' + options.formCssClass + ':not(.has_original):not(.' + options.emptyCssClass + ')').each(function() {
+            addInlineDeleteButton($(this));
+        });
+        toggleDeleteButtonVisibility($this);
+
+        // Create the add button, initially hidden.
+        addButton = options.addButton;
+        addInlineAddButton();
+
+        // Show the add button if allowed to add more items.
+        // Note that max_num = None translates to a blank string.
+        const showAddButton = maxForms.val() === '' || (maxForms.val() - totalForms.val()) > 0;
+        if ($this.length && showAddButton) {
+            addButton.parent().show();
+        } else {
+            addButton.parent().hide();
+        }
+
+        return this;
+    };
+
+    /* Setup plugin defaults */
+    $.fn.formset.defaults = {
+        prefix: "form", // The form prefix for your django formset
+        addText: "add another", // Text for the add link
+        deleteText: "remove", // Text for the delete link
+        addCssClass: "add-row", // CSS class applied to the add link
+        deleteCssClass: "delete-row", // CSS class applied to the delete link
+        emptyCssClass: "empty-row", // CSS class applied to the empty row
+        formCssClass: "dynamic-form", // CSS class applied to each form in a formset
+        added: null, // Function called each time a new form is added
+        removed: null, // Function called each time a form is deleted
+        addButton: null // Existing add button to use
+    };
+
+
+    // Tabular inlines ---------------------------------------------------------
+    $.fn.tabularFormset = function(selector, options) {
+        const $rows = $(this);
+
+        const reinitDateTimeShortCuts = function() {
+            // Reinitialize the calendar and clock widgets by force
+            if (typeof DateTimeShortcuts !== "undefined") {
+                $(".datetimeshortcuts").remove();
+                DateTimeShortcuts.init();
+            }
+        };
+
+        const updateSelectFilter = function() {
+            // If any SelectFilter widgets are a part of the new form,
+            // instantiate a new SelectFilter instance for it.
+            if (typeof SelectFilter !== 'undefined') {
+                $('.selectfilter').each(function(index, value) {
+                    SelectFilter.init(value.id, this.dataset.fieldName, false);
+                });
+                $('.selectfilterstacked').each(function(index, value) {
+                    SelectFilter.init(value.id, this.dataset.fieldName, true);
+                });
+            }
+        };
+
+        const initPrepopulatedFields = function(row) {
+            row.find('.prepopulated_field').each(function() {
+                const field = $(this),
+                    input = field.find('input, select, textarea'),
+                    dependency_list = input.data('dependency_list') || [],
+                    dependencies = [];
+                $.each(dependency_list, function(i, field_name) {
+                    dependencies.push('#' + row.find('.field-' + field_name).find('input, select, textarea').attr('id'));
+                });
+                if (dependencies.length) {
+                    input.prepopulate(dependencies, input.attr('maxlength'));
+                }
+            });
+        };
+
+        $rows.formset({
+            prefix: options.prefix,
+            addText: options.addText,
+            formCssClass: "dynamic-" + options.prefix,
+            deleteCssClass: "inline-deletelink",
+            deleteText: options.deleteText,
+            emptyCssClass: "empty-form",
+            added: function(row) {
+                initPrepopulatedFields(row);
+                reinitDateTimeShortCuts();
+                updateSelectFilter();
+            },
+            addButton: options.addButton
+        });
+
+        return $rows;
+    };
+
+    // Stacked inlines ---------------------------------------------------------
+    $.fn.stackedFormset = function(selector, options) {
+        const $rows = $(this);
+        const updateInlineLabel = function(row) {
+            $(selector).find(".inline_label").each(function(i) {
+                const count = i + 1;
+                $(this).html($(this).html().replace(/(#\d+)/g, "#" + count));
+            });
+        };
+
+        const reinitDateTimeShortCuts = function() {
+            // Reinitialize the calendar and clock widgets by force, yuck.
+            if (typeof DateTimeShortcuts !== "undefined") {
+                $(".datetimeshortcuts").remove();
+                DateTimeShortcuts.init();
+            }
+        };
+
+        const updateSelectFilter = function() {
+            // If any SelectFilter widgets were added, instantiate a new instance.
+            if (typeof SelectFilter !== "undefined") {
+                $(".selectfilter").each(function(index, value) {
+                    SelectFilter.init(value.id, this.dataset.fieldName, false);
+                });
+                $(".selectfilterstacked").each(function(index, value) {
+                    SelectFilter.init(value.id, this.dataset.fieldName, true);
+                });
+            }
+        };
+
+        const initPrepopulatedFields = function(row) {
+            row.find('.prepopulated_field').each(function() {
+                const field = $(this),
+                    input = field.find('input, select, textarea'),
+                    dependency_list = input.data('dependency_list') || [],
+                    dependencies = [];
+                $.each(dependency_list, function(i, field_name) {
+                    // Dependency in a fieldset.
+                    let field_element = row.find('.form-row .field-' + field_name);
+                    // Dependency without a fieldset.
+                    if (!field_element.length) {
+                        field_element = row.find('.form-row.field-' + field_name);
+                    }
+                    dependencies.push('#' + field_element.find('input, select, textarea').attr('id'));
+                });
+                if (dependencies.length) {
+                    input.prepopulate(dependencies, input.attr('maxlength'));
+                }
+            });
+        };
+
+        $rows.formset({
+            prefix: options.prefix,
+            addText: options.addText,
+            formCssClass: "dynamic-" + options.prefix,
+            deleteCssClass: "inline-deletelink",
+            deleteText: options.deleteText,
+            emptyCssClass: "empty-form",
+            removed: updateInlineLabel,
+            added: function(row) {
+                initPrepopulatedFields(row);
+                reinitDateTimeShortCuts();
+                updateSelectFilter();
+                updateInlineLabel(row);
+            },
+            addButton: options.addButton
+        });
+
+        return $rows;
+    };
+
+    $(document).ready(function() {
+        $(".js-inline-admin-formset").each(function() {
+            const data = $(this).data(),
+                inlineOptions = data.inlineFormset;
+            let selector;
+            switch(data.inlineType) {
+            case "stacked":
+                selector = inlineOptions.name + "-group .inline-related";
+                $(selector).stackedFormset(selector, inlineOptions.options);
+                break;
+            case "tabular":
+                selector = inlineOptions.name + "-group .tabular.inline-related tbody:first > tr.form-row";
+                $(selector).tabularFormset(selector, inlineOptions.options);
+                break;
+            }
+        });
+    });
+}

src/static/admin/js/jquery.init.js

@@ -0,0 +1,8 @@
+/*global jQuery:false*/
+'use strict';
+/* Puts the included jQuery into our own namespace using noConflict and passing
+ * it 'true'. This ensures that the included jQuery doesn't pollute the global
+ * namespace (i.e. this preserves pre-existing values for both window.$ and
+ * window.jQuery).
+ */
+window.django = {jQuery: jQuery.noConflict(true)};

src/static/admin/js/nav_sidebar.js

@@ -0,0 +1,79 @@
+'use strict';
+{
+    const toggleNavSidebar = document.getElementById('toggle-nav-sidebar');
+    if (toggleNavSidebar !== null) {
+        const navSidebar = document.getElementById('nav-sidebar');
+        const main = document.getElementById('main');
+        let navSidebarIsOpen = localStorage.getItem('django.admin.navSidebarIsOpen');
+        if (navSidebarIsOpen === null) {
+            navSidebarIsOpen = 'true';
+        }
+        main.classList.toggle('shifted', navSidebarIsOpen === 'true');
+        navSidebar.setAttribute('aria-expanded', navSidebarIsOpen);
+
+        toggleNavSidebar.addEventListener('click', function() {
+            if (navSidebarIsOpen === 'true') {
+                navSidebarIsOpen = 'false';
+            } else {
+                navSidebarIsOpen = 'true';
+            }
+            localStorage.setItem('django.admin.navSidebarIsOpen', navSidebarIsOpen);
+            main.classList.toggle('shifted');
+            navSidebar.setAttribute('aria-expanded', navSidebarIsOpen);
+        });
+    }
+
+    function initSidebarQuickFilter() {
+        const options = [];
+        const navSidebar = document.getElementById('nav-sidebar');
+        if (!navSidebar) {
+            return;
+        }
+        navSidebar.querySelectorAll('th[scope=row] a').forEach((container) => {
+            options.push({title: container.innerHTML, node: container});
+        });
+
+        function checkValue(event) {
+            let filterValue = event.target.value;
+            if (filterValue) {
+                filterValue = filterValue.toLowerCase();
+            }
+            if (event.key === 'Escape') {
+                filterValue = '';
+                event.target.value = ''; // clear input
+            }
+            let matches = false;
+            for (const o of options) {
+                let displayValue = '';
+                if (filterValue) {
+                    if (o.title.toLowerCase().indexOf(filterValue) === -1) {
+                        displayValue = 'none';
+                    } else {
+                        matches = true;
+                    }
+                }
+                // show/hide parent <TR>
+                o.node.parentNode.parentNode.style.display = displayValue;
+            }
+            if (!filterValue || matches) {
+                event.target.classList.remove('no-results');
+            } else {
+                event.target.classList.add('no-results');
+            }
+            sessionStorage.setItem('django.admin.navSidebarFilterValue', filterValue);
+        }
+
+        const nav = document.getElementById('nav-filter');
+        nav.addEventListener('change', checkValue, false);
+        nav.addEventListener('input', checkValue, false);
+        nav.addEventListener('keyup', checkValue, false);
+
+        const storedValue = sessionStorage.getItem('django.admin.navSidebarFilterValue');
+        if (storedValue) {
+            nav.value = storedValue;
+            checkValue({target: nav, key: ''});
+        }
+    }
+    window.initSidebarQuickFilter = initSidebarQuickFilter;
+    initSidebarQuickFilter();
+}

src/static/admin/js/popup_response.js

@@ -0,0 +1,15 @@
+'use strict';
+{
+    const initData = JSON.parse(document.getElementById('django-admin-popup-response-constants').dataset.popupResponse);
+    switch(initData.action) {
+    case 'change':
+        opener.dismissChangeRelatedObjectPopup(window, initData.value, initData.obj, initData.new_value);
+        break;
+    case 'delete':
+        opener.dismissDeleteRelatedObjectPopup(window, initData.value);
+        break;
+    default:
+        opener.dismissAddRelatedObjectPopup(window, initData.value, initData.obj);
+        break;
+    }
+}

src/static/admin/js/prepopulate.js

@@ -0,0 +1,43 @@
+/*global URLify*/
+'use strict';
+{
+    const $ = django.jQuery;
+    $.fn.prepopulate = function(dependencies, maxLength, allowUnicode) {
+        /*
+            Depends on urlify.js
+            Populates a selected field with the values of the dependent fields,
+            URLifies and shortens the string.
+            dependencies - array of dependent fields ids
+            maxLength - maximum length of the URLify'd string
+            allowUnicode - Unicode support of the URLify'd string
+        */
+        return this.each(function() {
+            const prepopulatedField = $(this);
+
+            const populate = function() {
+                // Bail if the field's value has been changed by the user
+                if (prepopulatedField.data('_changed')) {
+                    return;
+                }
+
+                const values = [];
+                $.each(dependencies, function(i, field) {
+                    field = $(field);
+                    if (field.val().length > 0) {
+                        values.push(field.val());
+                    }
+                });
+                prepopulatedField.val(URLify(values.join(' '), maxLength, allowUnicode));
+            };
+
+            prepopulatedField.data('_changed', false);
+            prepopulatedField.on('change', function() {
+                prepopulatedField.data('_changed', true);
+            });
+
+            if (!prepopulatedField.val()) {
+                $(dependencies.join(',')).on('keyup change focus', populate);
+            }
+        });
+    };
+}

src/static/admin/js/prepopulate_init.js

@@ -0,0 +1,15 @@
+'use strict';
+{
+    const $ = django.jQuery;
+    const fields = $('#django-admin-prepopulated-fields-constants').data('prepopulatedFields');
+    $.each(fields, function(index, field) {
+        $(
+            '.empty-form .form-row .field-' + field.name +
+            ', .empty-form.form-row .field-' + field.name +
+            ', .empty-form .form-row.field-' + field.name
+        ).addClass('prepopulated_field');
+        $(field.id).data('dependency_list', field.dependency_list).prepopulate(
+            field.dependency_ids, field.maxLength, field.allowUnicode
+        );
+    });
+}

src/static/admin/js/theme.js

@@ -0,0 +1,51 @@
+'use strict';
+{
+    function setTheme(mode) {
+        if (mode !== "light" && mode !== "dark" && mode !== "auto") {
+            console.error(`Got invalid theme mode: ${mode}. Resetting to auto.`);
+            mode = "auto";
+        }
+        document.documentElement.dataset.theme = mode;
+        localStorage.setItem("theme", mode);
+    }
+
+    function cycleTheme() {
+        const currentTheme = localStorage.getItem("theme") || "auto";
+        const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
+
+        if (prefersDark) {
+            // Auto (dark) -> Light -> Dark
+            if (currentTheme === "auto") {
+                setTheme("light");
+            } else if (currentTheme === "light") {
+                setTheme("dark");
+            } else {
+                setTheme("auto");
+            }
+        } else {
+            // Auto (light) -> Dark -> Light
+            if (currentTheme === "auto") {
+                setTheme("dark");
+            } else if (currentTheme === "dark") {
+                setTheme("light");
+            } else {
+                setTheme("auto");
+            }
+        }
+    }
+
+    function initTheme() {
+        // set theme defined in localStorage if there is one, or fallback to auto mode
+        const currentTheme = localStorage.getItem("theme");
+        currentTheme ? setTheme(currentTheme) : setTheme("auto");
+    }
+
+    window.addEventListener('load', function(_) {
+        const buttons = document.getElementsByClassName("theme-toggle");
+        Array.from(buttons).forEach((btn) => {
+            btn.addEventListener("click", cycleTheme);
+        });
+    });
+
+    initTheme();
+}