Add Notification component multiLine prop

docs/Actions.md

@@ -641,12 +641,13 @@ const NotifyButton = () => {
 };
 ```
 
-The callback takes 5 arguments:
- - the message to display
- - the level of the notification (`info`, `success` or `warning` - the default is `info`)
- - an `options` object to pass to the `translate` function (because notification messages are translated if your admin has an `i18nProvider`). It is useful for inserting variables into the translation.
- - an `undoable` boolean. Set it to `true` if the notification should contain an "undo" button
- - a `duration` number. Set it to `0` if the notification should not be dismissible.
+The callback takes 6 arguments:
+- The message to display
+- The level of the notification (`info`, `success` or `warning` - the default is `info`)
+- An `options` object to pass to the `translate` function (because notification messages are translated if your admin has an `i18nProvider`). It is useful for inserting variables into the translation.
+- An `undoable` boolean. Set it to `true` if the notification should contain an "undo" button
+- A `duration` number. Set it to `0` if the notification should not be dismissible.
+- A `multiLine` boolean. Set it to `true` if the notification message should be shown in more than one line.
 
 Here are more examples of `useNotify` calls: 
 

packages/ra-core/src/actions/notificationActions.ts

@@ -2,11 +2,13 @@ export const SHOW_NOTIFICATION = 'RA/SHOW_NOTIFICATION';
 
 export type NotificationType = 'success' | 'info' | 'warning' | 'error';
 
-interface NotificationOptions {
+export interface NotificationOptions {
     // The duration in milliseconds the notification is shown
     autoHideDuration?: number;
     // Arguments used to translate the message
     messageArgs?: any;
+    // If true, the notification shows the message in multiple lines
+    multiLine?: boolean;
     // If true, the notification shows an Undo button
     undoable?: boolean;
 }

packages/ra-core/src/reducer/admin/notifications.spec.ts

@@ -24,6 +24,18 @@ describe('notifications reducer', () => {
             })
         );
     });
+    it('should set multiLine when passed in payload', () => {
+        expect([{ message: 'test', type: 'info', multiLine: true }]).toEqual(
+            reducer(undefined, {
+                type: SHOW_NOTIFICATION,
+                payload: {
+                    message: 'test',
+                    type: 'info',
+                    multiLine: true,
+                },
+            })
+        );
+    });
     it('should set text and type upon SHOW_NOTIFICATION', () => {
         expect([{ message: 'foo', type: 'warning' }]).toEqual(
             reducer(undefined, {

packages/ra-core/src/sideEffect/useNotify.spec.tsx

@@ -0,0 +1,51 @@
+import * as React from 'react';
+import { useEffect } from 'react';
+import { renderWithRedux } from 'ra-test';
+import { useNotify } from './index';
+
+const Notification = ({
+    type,
+    message,
+    undoable = false,
+    autoHideDuration = 4000,
+    multiLine = true,
+    shortSignature = false,
+}) => {
+    const notify = useNotify();
+    useEffect(() => {
+        if (shortSignature) {
+            // @ts-ignore
+            notify(message, {
+                type,
+                undoable,
+                autoHideDuration,
+                multiLine,
+            });
+        } else {
+            notify(message, type, {}, undoable, autoHideDuration, multiLine);
+        }
+    }, [
+        message,
+        undoable,
+        autoHideDuration,
+        multiLine,
+        shortSignature,
+        type,
+        notify,
+    ]);
+    return null;
+};
+
+describe('useNotify', () => {
+    it('should show a multiline notification message', () => {
+        const { dispatch } = renderWithRedux(
+            <Notification
+                type="info"
+                message={`One Line\nTwo Lines\nThree Lines`}
+                multiLine
+            />
+        );
+
+        expect(dispatch).toHaveBeenCalledTimes(1);
+    });
+});

packages/ra-core/src/sideEffect/useNotify.ts

@@ -28,13 +28,15 @@ const useNotify = () => {
             type: NotificationType = 'info',
             messageArgs: any = {},
             undoable: boolean = false,
-            autoHideDuration?: number
+            autoHideDuration?: number,
+            multiLine?: boolean
         ) => {
             dispatch(
                 showNotification(message, type, {
                     messageArgs,
                     undoable,
                     autoHideDuration,
+                    multiLine,
                 })
             );
         },

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

@@ -16,8 +16,10 @@ import {
     useTranslate,
 } from 'ra-core';
 
-interface Props {
+export interface NotificationProps extends Omit<SnackbarProps, 'open'> {
     type?: string;
+    autoHideDuration?: number;
+    multiLine?: boolean;
 }
 
 const useStyles = makeStyles(
@@ -34,22 +36,26 @@ const useStyles = makeStyles(
             backgroundColor: theme.palette.error.light,
             color: theme.palette.error.contrastText,
         },
-        undo: (props: Props & Omit<SnackbarProps, 'open'>) => ({
+        undo: (props: NotificationProps) => ({
             color:
                 props.type === 'success'
                     ? theme.palette.success.contrastText
                     : theme.palette.primary.light,
         }),
+        multiLine: {
+            whiteSpace: 'pre-wrap',
+        },
     }),
     { name: 'RaNotification' }
 );
 
-const Notification = (props: Props & Omit<SnackbarProps, 'open'>) => {
+const Notification = (props: NotificationProps) => {
     const {
         classes: classesOverride,
         type,
         className,
         autoHideDuration,
+        multiLine,
         ...rest
     } = props;
     const [open, setOpen] = useState(false);
@@ -97,7 +103,8 @@ const Notification = (props: Props & Omit<SnackbarProps, 'open'>) => {
             ContentProps={{
                 className: classnames(
                     styles[(notification && notification.type) || type],
-                    className
+                    className,
+                    { [styles['multiLine']]: multiLine }
                 ),
             }}
             action={
@@ -119,11 +126,14 @@ const Notification = (props: Props & Omit<SnackbarProps, 'open'>) => {
 
 Notification.propTypes = {
     type: PropTypes.string,
+    autoHideDuration: PropTypes.number,
+    multiLine: PropTypes.bool,
 };
 
 Notification.defaultProps = {
     type: 'info',
     autoHideDuration: 4000,
+    multiLine: false,
 };
 
 export default Notification;

packages/ra-ui-materialui/src/layout/index.ts

@@ -14,7 +14,7 @@ import LoadingIndicator from './LoadingIndicator';
 import Menu, { MenuProps } from './Menu';
 import MenuItemLink, { MenuItemLinkProps } from './MenuItemLink';
 import NotFound from './NotFound';
-import Notification from './Notification';
+import Notification, { NotificationProps } from './Notification';
 import Responsive, { ResponsiveProps } from './Responsive';
 import Sidebar, { SidebarProps } from './Sidebar';
 import Title, { TitleProps, TitlePropType } from './Title';
@@ -41,6 +41,7 @@ export {
     MenuItemLink,
     NotFound,
     Notification,
+    NotificationProps,
     Responsive,
     Sidebar,
     Title,