Allow <Title> to be non configurable

docs/Title.md

@@ -121,3 +121,15 @@ const CustomPage = () => (
 );
 ```
 
+If you want to disable configuring the page title even while in [Configurable mode](./AppBar.md#configurable), you can pass `preferenceKey=false`.
+
+```jsx
+import { Title } from 'react-admin';
+
+const CustomPageWithNonConfigurableTitle = () => (
+    <>
+        <Title title="My Custom Page" preferenceKey={false} />
+        <div>Content</div>
+    </>
+);
+```

packages/ra-ui-materialui/src/layout/PageTitle.tsx

@@ -1,19 +1,10 @@
 import * as React from 'react';
-import { useRecordContext, useTranslate, usePreference } from 'ra-core';
+import { useTranslate } from 'ra-core';
 
 export const PageTitle = ({ title, defaultTitle, className, ...rest }: any) => {
-    const [titleFromPreferences] = usePreference();
     const translate = useTranslate();
-    const record = useRecordContext();
 
-    return titleFromPreferences ? (
-        <span className={className} {...rest}>
-            {translate(titleFromPreferences, {
-                ...record,
-                _: titleFromPreferences,
-            })}
-        </span>
-    ) : (
+    return (
         <span className={className}>
             {!title ? (
                 <span {...rest}>{defaultTitle}</span>

packages/ra-ui-materialui/src/layout/PageTitleConfigurable.tsx

@@ -1,6 +1,11 @@
 import * as React from 'react';
 import { useLocation } from 'react-router-dom';
-import { usePreferenceInput } from 'ra-core';
+import {
+    usePreferenceInput,
+    usePreference,
+    useRecordContext,
+    useTranslate,
+} from 'ra-core';
 import { TextField } from '@mui/material';
 
 import { Configurable } from '../preferences';
@@ -22,7 +27,12 @@ export const PageTitleEditor = () => {
     );
 };
 
-export const PageTitleConfigurable = ({ preferenceKey, ...props }) => {
+export const PageTitleConfigurable = ({
+    preferenceKey,
+    title,
+    defaultTitle,
+    ...props
+}) => {
     const { pathname } = useLocation();
     return (
         <Configurable
@@ -34,7 +44,30 @@ export const PageTitleConfigurable = ({ preferenceKey, ...props }) => {
                 },
             }}
         >
-            <PageTitle {...props} />
+            <PageTitleConfigurableInner
+                title={title}
+                defaultTitle={defaultTitle}
+                {...props}
+            />
         </Configurable>
     );
 };
+
+const PageTitleConfigurableInner = ({ title, defaultTitle, ...props }) => {
+    const [titleFromPreferences] = usePreference();
+    const translate = useTranslate();
+    const record = useRecordContext();
+
+    return titleFromPreferences ? (
+        <span className={props.className} {...props}>
+            {translate(titleFromPreferences, {
+                ...record,
+                _: titleFromPreferences,
+            })}
+        </span>
+    ) : (
+        <>
+            <PageTitle title={title} defaultTitle={defaultTitle} {...props} />
+        </>
+    );
+};

packages/ra-ui-materialui/src/layout/Title.tsx

@@ -4,6 +4,7 @@ import { ReactElement } from 'react';
 import { createPortal } from 'react-dom';
 import { RaRecord, TitleComponent, warning } from 'ra-core';
 
+import { PageTitle } from './PageTitle';
 import { PageTitleConfigurable } from './PageTitleConfigurable';
 
 export const Title = (props: TitleProps) => {
@@ -31,25 +32,25 @@ export const Title = (props: TitleProps) => {
 
     warning(!defaultTitle && !title, 'Missing title prop in <Title> element');
 
-    return (
-        <>
-            {createPortal(
-                <PageTitleConfigurable
-                    title={title}
-                    defaultTitle={defaultTitle}
-                    preferenceKey={preferenceKey}
-                    {...rest}
-                />,
-                container
-            )}
-        </>
-    );
+    const pageTitle =
+        preferenceKey === false ? (
+            <PageTitle title={title} defaultTitle={defaultTitle} {...rest} />
+        ) : (
+            <PageTitleConfigurable
+                title={title}
+                defaultTitle={defaultTitle}
+                preferenceKey={preferenceKey}
+                {...rest}
+            />
+        );
+
+    return <>{createPortal(pageTitle, container)}</>;
 };
 
 export interface TitleProps {
     className?: string;
     defaultTitle?: TitleComponent;
     record?: Partial<RaRecord>;
     title?: string | ReactElement;
-    preferenceKey?: string;
+    preferenceKey?: string | false;
 }

packages/ra-ui-materialui/src/layout/TitlePortal.stories.tsx

@@ -1,9 +1,14 @@
 import * as React from 'react';
-import { TestMemoryRouter } from 'ra-core';
-import { PreferencesEditorContextProvider } from 'ra-core';
+import {
+    PreferencesEditorContextProvider,
+    RecordContextProvider,
+    TestMemoryRouter,
+} from 'ra-core';
 
 import { TitlePortal } from './TitlePortal';
 import { Title } from './Title';
+import { InspectorButton } from '../preferences/InspectorButton';
+import { Inspector } from '../preferences/Inspector';
 
 export default {
     title: 'ra-ui-materialui/layout/TitlePortal',
@@ -35,3 +40,25 @@ export const Sx = () => (
         </PreferencesEditorContextProvider>
     </TestMemoryRouter>
 );
+
+export const Configurable = () => (
+    <TestMemoryRouter>
+        <PreferencesEditorContextProvider>
+            <Inspector />
+            <InspectorButton />
+            <TitlePortal variant="body1" />
+            <Title title="Hello, world" />
+        </PreferencesEditorContextProvider>
+    </TestMemoryRouter>
+);
+
+export const NonConfigurable = () => (
+    <TestMemoryRouter>
+        <PreferencesEditorContextProvider>
+            <Inspector />
+            <InspectorButton />
+            <TitlePortal variant="body1" />
+            <Title title="Hello, world" preferenceKey={false} />
+        </PreferencesEditorContextProvider>
+    </TestMemoryRouter>
+);