Fixed #36055 -- Prevented overlap of object-tools buttons and page header in the admin.

django/contrib/admin/static/admin/css/base.css

@@ -808,19 +808,19 @@ a.deletelink:focus, a.deletelink:hover {
 /* OBJECT TOOLS */
 
 .object-tools {
-    font-size: 0.625rem;
-    font-weight: bold;
-    padding-left: 0;
-    float: right;
-    position: relative;
-    margin-top: -48px;
+    padding: 0;
+    overflow: hidden;
+    text-align: right;
+    margin: 0 0 15px;
 }
 
 .object-tools li {
-    display: block;
-    float: left;
-    margin-left: 5px;
-    height: 1rem;
+    display: inline-block;
+    height: auto;
+}
+
+.object-tools li + li {
+    margin-left: 15px;
 }
 
 .object-tools a {

django/contrib/admin/static/admin/css/responsive.css

@@ -442,19 +442,7 @@ input[type="submit"], button {
     }
 
     .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;
+        text-align: left;
     }
 
     /* Forms */

django/contrib/admin/static/admin/css/responsive_rtl.css

@@ -34,15 +34,6 @@
         background-position: calc(100% - 8px) 9px;
     }
 
-    [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;
@@ -72,6 +63,11 @@
         margin-left: 0;
         margin-right: 0;
     }
+
+    [dir="rtl"] .object-tools {
+        text-align: right;
+    }
+
     [dir="rtl"] .aligned .vCheckboxLabel {
         padding: 1px 5px 0 0;
     }

django/contrib/admin/static/admin/css/rtl.css

@@ -26,7 +26,12 @@ th {
 }
 
 .object-tools {
-    float: left;
+    text-align: left;
+}
+
+.object-tools li + li {
+    margin-right: 15px;
+    margin-left: 0;
 }
 
 thead th:first-child,

tests/admin_views/models.py

@@ -973,6 +973,12 @@ class Restaurant(models.Model):
     city = models.ForeignKey(City, models.CASCADE)
     name = models.CharField(max_length=100)
 
+    class Meta:
+        verbose_name = (
+            "very very very very very very very very very "
+            "loooooooooooooooooooooooooooooooooooooooooong name"
+        )
+
     def get_absolute_url(self):
         return "/dummy/%s/" % self.pk
 

tests/admin_views/tests.py

@@ -126,6 +126,7 @@ from .models import (
     Song,
     State,
     Story,
+    Subscriber,
     SuperSecretHideout,
     SuperVillain,
     Telegram,
@@ -6955,6 +6956,37 @@ class SeleniumTests(AdminSeleniumTestCase):
         with self.wait_page_loaded():
             save_button.click()
 
+    @screenshot_cases(["desktop_size", "mobile_size", "rtl", "dark", "high_contrast"])
+    def test_long_header_with_object_tools_layout(self):
+        from selenium.webdriver.common.by import By
+
+        self.admin_login(
+            username="super", password="secret", login_url=reverse("admin:index")
+        )
+        s = Subscriber.objects.create(name="a " * 40, email="b " * 80)
+        self.selenium.get(
+            self.live_server_url
+            + reverse("admin:admin_views_subscriber_change", args=(s.pk,))
+        )
+        header = self.selenium.find_element(By.CSS_SELECTOR, "div#content h2")
+        self.assertGreater(len(header.text), 100)
+        object_tools = self.selenium.find_elements(
+            By.CSS_SELECTOR, "div#content ul.object-tools li"
+        )
+        self.assertGreater(len(object_tools), 0)
+        self.take_screenshot("change_form")
+
+        self.selenium.get(
+            self.live_server_url + reverse("admin:admin_views_restaurant_changelist")
+        )
+        header = self.selenium.find_element(By.CSS_SELECTOR, "div#content h1")
+        self.assertGreater(len(header.text), 100)
+        object_tools = self.selenium.find_elements(
+            By.CSS_SELECTOR, "div#content ul.object-tools li"
+        )
+        self.assertGreater(len(object_tools), 0)
+        self.take_screenshot("change_list")
+
 
 @override_settings(ROOT_URLCONF="admin_views.urls")
 class ReadonlyTest(AdminFieldExtractionMixin, TestCase):