Public release

django_changelist_inline/__init__.py

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+# -*- coding: utf-8 -*-
+__version__ = '1.0.2'
+
+default_app_config = (
+    'django_changelist_inline.apps.DjangoChangelistInlineConfig'
+)
+
+from .admin import (  # noqa: F401
+    ChangelistInline,
+    ChangelistInlineAdmin,
+    ChangelistInlineAdminMixin,
+    ChangelistInlineModelAdmin,
+)

django_changelist_inline/admin.py

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+# -*- coding: utf-8 -*-
+# django-changelist-inline v1.0.2 | (c) 2021-present Tomek Wójcik | MIT License
+import copy
+
+from django.contrib import admin
+from django.contrib.admin.options import InlineModelAdmin
+from django.contrib.admin.views.main import ChangeList
+from django.http import QueryDict
+from django.urls import reverse
+
+
+class InlineChangeList(ChangeList):
+    def __init__(self, request, *args, **kwargs):
+        super().__init__(request, *args, **kwargs)
+        self.formset = None
+        self.add_url = self.model_admin.get_add_url(request)
+        self.show_all_url = self.model_admin.get_show_all_url(request)
+        self.toolbar_links = self.model_admin.get_toolbar_links(request)
+
+    @property
+    def has_toolbar(self):
+        return any([
+            self.add_url is not None,
+            self.show_all_url is not None,
+            self.toolbar_links is not None,
+        ])
+
+
+class ChangelistInlineModelAdmin(admin.ModelAdmin):
+    def __init__(self, parent_instance, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.parent_instance = parent_instance
+
+        self.list_editable = ()
+        self.list_filter = ()
+        self.search_fields = ()
+        self.date_hierarchy = None
+        self.sortable_by = ()
+        self.show_full_result_count = False
+
+    def get_actions(self, request):
+        return []
+
+    def get_changelist(self, request, **kwargs):
+        return InlineChangeList
+
+    @property
+    def title(self):
+        return self.model._meta.verbose_name_plural
+
+    @property
+    def no_results_message(self):
+        return f'0 {self.model._meta.verbose_name_plural}'
+
+    def get_add_url(self, request):
+        if self.has_add_permission(request):
+            return reverse('admin:{app_label}_{model_name}_add'.format(
+                app_label=self.model._meta.app_label,
+                model_name=self.model._meta.model_name,
+            ))
+
+        return None
+
+    def get_show_all_url(self, request):
+        if self.has_view_permission(request, obj=None):
+            return reverse('admin:{app_label}_{model_name}_changelist'.format(
+                app_label=self.model._meta.app_label,
+                model_name=self.model._meta.model_name,
+            ))
+
+        return None
+
+    def get_toolbar_links(self, request):
+        return None
+
+
+class ChangelistInline(InlineModelAdmin):
+    template = 'django_changelist_inline/changelist_inline.html'
+
+    class Media:
+        css = {
+            'all': [
+                'admin/css/changelists.css',
+                'django_changelist_inline/css/changelist_inline.css',
+            ],
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.request = None
+        self.changelist_model_admin = None
+
+    def has_add_permission(self, request, obj=None):
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        return False
+
+    def has_delete_permission(self, request, obj=None):
+        return False
+
+    def bind(self, request, parent_instance):
+        internal_request = copy.copy(request)
+        internal_request.GET = QueryDict(mutable=False)
+        internal_request.POST = QueryDict(mutable=False)
+        self.request = internal_request
+
+        self.changelist_model_admin = self.ChangelistModelAdmin(
+            parent_instance,
+            self.model,
+            self.admin_site,
+        )
+
+    @property
+    def changelist(self):
+        can_view = self.changelist_model_admin.has_view_or_change_permission(
+            self.request, obj=None,
+        )
+        if not can_view:
+            return None
+
+        result = self.changelist_model_admin.get_changelist_instance(
+            self.request,
+        )
+        return result
+
+
+class ChangelistInlineAdminMixin:
+    def get_inline_instances(self, request, obj=None):
+        inline_instances = super().get_inline_instances(request, obj=obj)
+
+        if obj is None:
+            return [
+                inline_instance for inline_instance in inline_instances
+                if not isinstance(inline_instance, ChangelistInline)
+            ]
+        else:
+            for inline_instance in inline_instances:
+                if isinstance(inline_instance, ChangelistInline):
+                    inline_instance.bind(request, obj)
+
+        return inline_instances
+
+
+class ChangelistInlineAdmin(ChangelistInlineAdminMixin, admin.ModelAdmin):
+    pass

django_changelist_inline/apps.py

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+# -*- coding: utf-8 -*-
+# django-changelist-inline v1.0.2 | (c) 2021-present Tomek Wójcik | MIT License
+from django.apps import AppConfig
+
+
+class DjangoChangelistInlineConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'django_changelist_inline'
+    verbose_name = 'Django Changelist Inline'

django_changelist_inline/static/django_changelist_inline/css/changelist_inline.css

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+/*! django-changelist-inline v1.0.2 | (c) 2021-present Tomek Wójcik | MIT License */
+.django_changelist_inline h2 {
+    text-transform: uppercase;
+}
+
+.django_changelist_inline #toolbar {
+    display: flex;
+    font-size: 12px;
+    margin-bottom: 0px !important;
+}
+
+.django_changelist_inline__toolbar a {
+    margin-right: 0.5rem;
+}
+
+.django_changelist_inline__toolbar a:last-child {
+    margin-left: auto;
+    margin-right: 0px;
+}

django_changelist_inline/templates/django_changelist_inline/changelist_inline.html

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+{% load i18n admin_list %}
+
+{{ inline_admin_formset.formset.management_form }}
+{% with cl=inline_admin_formset.opts.changelist %}
+  {% if cl %}
+    <div class="module django_changelist_inline">
+      <h2>{{ cl.model_admin.title }}</h2>
+      <div id="changelist">
+        <div class="changelist-form-container">
+          {% if cl.result_list %}
+            {% result_list cl %}
+          {% else %}
+            <p class="paginator">
+              {{ cl.model_admin.no_results_message }}
+            </p>
+          {% endif %}
+          {% if cl.has_toolbar %}
+            <div id="toolbar" class="django_changelist_inline__toolbar">
+              {% if cl.add_url %}
+                <a class="addlink" href="{{ cl.add_url }}">
+                  {% blocktrans with cl.opts.verbose_name as name %}Add {{ name }}{% endblocktrans %}
+                </a>
+              {% endif %}
+              {% if cl.toolbar_links %}
+                {{ cl.toolbar_links|safe }}
+              {% endif %}
+              {% if cl.show_all_url %}
+                <a href="{{ cl.show_all_url }}">{% trans 'Show all' %} &raquo;</a>
+              {% endif %}
+            </div>
+          {% endif %}
+        </div>
+      </div>
+    </div>
+  {% endif %}
+{% endwith %}