SingleTopNav: Add `toolbar` to `Page` and replace usage of `AppChromeUpdate` (#94022)

* add page-level toolbar for actions

* handle explore

* fix panel edit sizing

* remove comments

* remove TOGGLE_BUTTON_ID

* undo alerting changes

* use fixed position header

* feature toggle Page changes

* add page context for alerting use cases

* simplify

* prettier...

public/app/core/components/AppChrome/AppChromeUpdate.tsx

@@ -7,8 +7,7 @@ export interface AppChromeUpdateProps {
   actions?: React.ReactNode;
 }
 /**
- * This needs to be moved to @grafana/ui or runtime.
- * This is the way core pages and plugins update the breadcrumbs and page toolbar actions
+ * @deprecated This component is deprecated and will be removed in a future release.
  */
 export const AppChromeUpdate = React.memo<AppChromeUpdateProps>(({ actions }: AppChromeUpdateProps) => {
   const { chrome } = useGrafana();

public/app/core/components/Page/Page.tsx

@@ -1,19 +1,58 @@
 import { css, cx } from '@emotion/css';
-import { useLayoutEffect } from 'react';
+import {
+  createContext,
+  Dispatch,
+  ReactNode,
+  SetStateAction,
+  useContext,
+  useEffect,
+  useLayoutEffect,
+  useState,
+} from 'react';
 
 import { GrafanaTheme2, PageLayoutType } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { useStyles2 } from '@grafana/ui';
 import { useGrafana } from 'app/core/context/GrafanaContext';
 
+import { TOP_BAR_LEVEL_HEIGHT } from '../AppChrome/types';
 import NativeScrollbar from '../NativeScrollbar';
 
 import { PageContents } from './PageContents';
 import { PageHeader } from './PageHeader';
 import { PageTabs } from './PageTabs';
+import { PageToolbarActions } from './PageToolbarActions';
 import { PageType } from './types';
 import { usePageNav } from './usePageNav';
 import { usePageTitle } from './usePageTitle';
 
+export interface PageContextType {
+  setToolbar: Dispatch<SetStateAction<ReactNode>>;
+}
+
+export const PageContext = createContext<PageContextType | undefined>(undefined);
+
+function usePageContext(): PageContextType {
+  const context = useContext(PageContext);
+  if (!context) {
+    throw new Error('No PageContext found');
+  }
+  return context;
+}
+
+/**
+ * Hook to dynamically set the toolbar of a Page from a child component.
+ * Prefer setting the toolbar directly as a prop to Page.
+ * @param toolbar a ReactNode that will be rendered in a second toolbar
+ */
+export function usePageToolbar(toolbar?: ReactNode) {
+  const { setToolbar } = usePageContext();
+  useEffect(() => {
+    setToolbar(toolbar);
+    return () => setToolbar(undefined);
+  }, [setToolbar, toolbar]);
+}
+
 export const Page: PageType = ({
   navId,
   navModel: oldNavProp,
@@ -24,12 +63,15 @@ export const Page: PageType = ({
   subTitle,
   children,
   className,
+  toolbar: toolbarProp,
   info,
   layout = PageLayoutType.Standard,
   onSetScrollRef,
   ...otherProps
 }) => {
-  const styles = useStyles2(getStyles);
+  const isSingleTopNav = config.featureToggles.singleTopNav;
+  const [toolbar, setToolbar] = useState(toolbarProp);
+  const styles = useStyles2(getStyles, Boolean(isSingleTopNav && toolbar));
   const navModel = usePageNav(navId, oldNavProp);
   const { chrome } = useGrafana();
 
@@ -50,7 +92,9 @@ export const Page: PageType = ({
   }, [navModel, pageNav, chrome, layout]);
 
   return (
+    <PageContext.Provider value={{ setToolbar }}>
       <div className={cx(styles.wrapper, className)} {...otherProps}>
+        {isSingleTopNav && toolbar && <PageToolbarActions>{toolbar}</PageToolbarActions>}
         {layout === PageLayoutType.Standard && (
           <NativeScrollbar
             // This id is used by the image renderer to scroll through the dashboard
@@ -86,18 +130,20 @@ export const Page: PageType = ({
 
         {layout === PageLayoutType.Custom && children}
       </div>
+    </PageContext.Provider>
   );
 };
 
 Page.Contents = PageContents;
 
-const getStyles = (theme: GrafanaTheme2) => {
+const getStyles = (theme: GrafanaTheme2, hasToolbar: boolean) => {
   return {
     wrapper: css({
       label: 'page-wrapper',
       display: 'flex',
       flex: '1 1 0',
       flexDirection: 'column',
+      marginTop: hasToolbar ? TOP_BAR_LEVEL_HEIGHT : 0,
       position: 'relative',
     }),
     pageContent: css({

public/app/core/components/Page/PageToolbarActions.tsx

@@ -0,0 +1,47 @@
+import { css } from '@emotion/css';
+import { PropsWithChildren } from 'react';
+
+import { GrafanaTheme2 } from '@grafana/data';
+import { Components } from '@grafana/e2e-selectors';
+import { useChromeHeaderHeight } from '@grafana/runtime';
+import { Stack, useStyles2 } from '@grafana/ui';
+import { useGrafana } from 'app/core/context/GrafanaContext';
+
+import { MENU_WIDTH } from '../AppChrome/MegaMenu/MegaMenu';
+import { TOP_BAR_LEVEL_HEIGHT } from '../AppChrome/types';
+
+export interface Props {}
+
+export function PageToolbarActions({ children }: PropsWithChildren<Props>) {
+  const chromeHeaderHeight = useChromeHeaderHeight();
+  const { chrome } = useGrafana();
+  const state = chrome.useState();
+  const menuDockedAndOpen = !state.chromeless && state.megaMenuDocked && state.megaMenuOpen;
+  const styles = useStyles2(getStyles, chromeHeaderHeight ?? 0, menuDockedAndOpen);
+
+  return (
+    <div data-testid={Components.NavToolbar.container} className={styles.pageToolbar}>
+      <Stack alignItems="center" justifyContent="flex-end" flex={1} wrap="nowrap" minWidth={0}>
+        {children}
+      </Stack>
+    </div>
+  );
+}
+
+const getStyles = (theme: GrafanaTheme2, chromeHeaderHeight: number, menuDockedAndOpen: boolean) => {
+  return {
+    pageToolbar: css({
+      alignItems: 'center',
+      backgroundColor: theme.colors.background.primary,
+      borderBottom: `1px solid ${theme.colors.border.weak}`,
+      display: 'flex',
+      height: TOP_BAR_LEVEL_HEIGHT,
+      left: menuDockedAndOpen ? MENU_WIDTH : 0,
+      padding: theme.spacing(0, 1, 0, 2),
+      position: 'fixed',
+      top: chromeHeaderHeight,
+      right: 0,
+      zIndex: theme.zIndex.navbarFixed,
+    }),
+  };
+};

public/app/core/components/Page/types.ts

@@ -25,6 +25,8 @@ export interface PageProps extends HTMLAttributes<HTMLDivElement> {
   layout?: PageLayoutType;
   /** Can be used to get the scroll container element to access scroll position */
   onSetScrollRef?: (ref: ScrollRefElement) => void;
+  /** Set a page-level toolbar */
+  toolbar?: React.ReactNode;
 }
 
 export interface PageInfoItem {

public/app/features/alerting/unified/CloneRuleEditor.test.tsx

@@ -5,6 +5,7 @@ import { byRole, byTestId, byText } from 'testing-library-selector';
 
 import { selectors } from '@grafana/e2e-selectors/src';
 import { setDataSourceSrv } from '@grafana/runtime';
+import { PageContext } from 'app/core/components/Page/Page';
 import { DashboardSearchItem, DashboardSearchItemType } from 'app/features/search/types';
 import { RuleWithLocation } from 'app/types/unified-alerting';
 
@@ -72,7 +73,9 @@ function Wrapper({ children }: React.PropsWithChildren<{}>) {
   const formApi = useForm<RuleFormValues>({ defaultValues: getDefaultFormValues() });
   return (
     <Providers>
+      <PageContext.Provider value={{ setToolbar: jest.fn() }}>
         <FormProvider {...formApi}>{children}</FormProvider>
+      </PageContext.Provider>
     </Providers>
   );
 }

public/app/features/alerting/unified/components/receivers/TemplateForm.tsx

@@ -1,13 +1,13 @@
 import { css, cx } from '@emotion/css';
 import { addMinutes, subDays, subHours } from 'date-fns';
 import { Location } from 'history';
-import { useRef, useState } from 'react';
+import { useMemo, useRef, useState } from 'react';
 import { FormProvider, useForm } from 'react-hook-form';
 import { useToggle } from 'react-use';
 import AutoSizer from 'react-virtualized-auto-sizer';
 
 import { GrafanaTheme2 } from '@grafana/data';
-import { isFetchError, locationService } from '@grafana/runtime';
+import { config as runtimeConfig, isFetchError, locationService } from '@grafana/runtime';
 import {
   Alert,
   Button,
@@ -21,6 +21,7 @@ import {
   InlineField,
   Box,
 } from '@grafana/ui';
+import { usePageToolbar } from 'app/core/components/Page/Page';
 import { useAppNotification } from 'app/core/copy/appNotification';
 import { useCleanup } from 'app/core/hooks/useCleanup';
 import { ActiveTab as ContactPointsActiveTabs } from 'app/features/alerting/unified/components/contact-points/ContactPoints';
@@ -157,7 +158,8 @@ export const TemplateForm = ({ originalTemplate, prefill, alertmanager }: Props)
     }
   };
 
-  const actionButtons = (
+  const actionButtons = useMemo(
+    () => (
       <Stack>
         <Button onClick={() => formRef.current?.requestSubmit()} variant="primary" size="sm" disabled={isSubmitting}>
           Save
@@ -173,12 +175,16 @@ export const TemplateForm = ({ originalTemplate, prefill, alertmanager }: Props)
           Cancel
         </LinkButton>
       </Stack>
+    ),
+    [alertmanager, isSubmitting]
   );
 
+  usePageToolbar(actionButtons);
+
   return (
     <>
       <FormProvider {...formApi}>
-        <AppChromeUpdate actions={actionButtons} />
+        {!runtimeConfig.featureToggles.singleTopNav && <AppChromeUpdate actions={actionButtons} />}
         <form onSubmit={handleSubmit(submit)} ref={formRef} className={styles.form} aria-label="Template form">
           {/* error message */}
           {error && (

public/app/features/alerting/unified/components/rule-editor/alert-rule-form/AlertRuleForm.tsx

@@ -1,5 +1,5 @@
 import { css } from '@emotion/css';
-import { useEffect, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useState } from 'react';
 import { FormProvider, SubmitErrorHandler, UseFormWatch, useForm } from 'react-hook-form';
 import { useParams } from 'react-router-dom';
 
@@ -7,6 +7,7 @@ import { GrafanaTheme2 } from '@grafana/data';
 import { config, locationService } from '@grafana/runtime';
 import { Button, ConfirmModal, CustomScrollbar, Spinner, Stack, useStyles2 } from '@grafana/ui';
 import { AppChromeUpdate } from 'app/core/components/AppChrome/AppChromeUpdate';
+import { usePageToolbar } from 'app/core/components/Page/Page';
 import { useAppNotification } from 'app/core/copy/appNotification';
 import { contextSrv } from 'app/core/core';
 import InfoPausedRule from 'app/features/alerting/unified/components/InfoPausedRule';
@@ -133,7 +134,8 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
   };
 
   // @todo why is error not propagated to form?
-  const submit = async (values: RuleFormValues, exitOnSave: boolean) => {
+  const submit = useCallback(
+    async (values: RuleFormValues, exitOnSave: boolean) => {
       if (conditionErrorMsg !== '') {
         notifyApp.error(conditionErrorMsg);
         return;
@@ -141,7 +143,9 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
 
       trackAlertRuleFormSaved({ formAction: existing ? 'update' : 'create', ruleType: values.type });
 
-    const ruleDefinition = grafanaTypeRule ? formValuesToRulerGrafanaRuleDTO(values) : formValuesToRulerRuleDTO(values);
+      const ruleDefinition = grafanaTypeRule
+        ? formValuesToRulerGrafanaRuleDTO(values)
+        : formValuesToRulerRuleDTO(values);
 
       const ruleGroupIdentifier = existing
         ? getRuleGroupLocationFromRuleWithLocation(existing)
@@ -178,7 +182,18 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
         const updatedRuleIdentifier = fromRulerRule(dataSourceName, namespaceName, groupName, ruleDefinition);
         locationService.replace(`/alerting/${encodeURIComponent(stringifyIdentifier(updatedRuleIdentifier))}/edit`);
       }
-  };
+    },
+    [
+      addRuleToRuleGroup,
+      conditionErrorMsg,
+      evaluateEvery,
+      existing,
+      grafanaTypeRule,
+      notifyApp,
+      queryParams,
+      updateRuleInRuleGroup,
+    ]
+  );
 
   const deleteRule = async () => {
     if (existing) {
@@ -191,7 +206,8 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
     }
   };
 
-  const onInvalid: SubmitErrorHandler<RuleFormValues> = (errors): void => {
+  const onInvalid: SubmitErrorHandler<RuleFormValues> = useCallback(
+    (errors): void => {
       trackAlertRuleFormError({
         grafana_version: config.buildInfo.version,
         org_id: contextSrv.user.orgId,
@@ -200,18 +216,21 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
         formAction: existing ? 'update' : 'create',
       });
       notifyApp.error('There are errors in the form. Please correct them and try again!');
-  };
+    },
+    [existing, notifyApp]
+  );
 
-  const cancelRuleCreation = () => {
+  const cancelRuleCreation = useCallback(() => {
     logInfo(LogMessages.cancelSavingAlertRule);
     trackAlertRuleFormCancelled({ formAction: existing ? 'update' : 'create' });
     locationService.getHistory().goBack();
-  };
+  }, [existing]);
 
   const evaluateEveryInForm = watch('evaluateEvery');
   useEffect(() => setEvaluateEvery(evaluateEveryInForm), [evaluateEveryInForm]);
 
-  const actionButtons = (
+  const actionButtons = useMemo(
+    () => (
       <Stack justifyContent="flex-end" alignItems="center">
         {existing && (
           <Button
@@ -255,7 +274,10 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
           </Button>
         )}
       </Stack>
+    ),
+    [cancelRuleCreation, existing, handleSubmit, isSubmitting, onInvalid, styles.buttonSpinner, submit, watch]
   );
+  usePageToolbar(actionButtons);
 
   const isPaused = existing && isGrafanaRulerRule(existing.rule) && isGrafanaRulerRulePaused(existing.rule);
   if (!type) {
@@ -263,7 +285,7 @@ export const AlertRuleForm = ({ existing, prefill }: Props) => {
   }
   return (
     <FormProvider {...formAPI}>
-      <AppChromeUpdate actions={actionButtons} />
+      {!config.featureToggles.singleTopNav && <AppChromeUpdate actions={actionButtons} />}
       <form onSubmit={(e) => e.preventDefault()} className={styles.form}>
         <div className={styles.contentOuter}>
           {isPaused && <InfoPausedRule />}

public/app/features/alerting/unified/components/rule-editor/alert-rule-form/ModifyExportRuleForm.tsx

@@ -2,7 +2,9 @@ import { memo, useCallback, useEffect, useMemo, useState } from 'react';
 import { FormProvider, useForm } from 'react-hook-form';
 import { useAsync } from 'react-use';
 
+import { config } from '@grafana/runtime';
 import { Button, CustomScrollbar, LinkButton, LoadingPlaceholder, Stack } from '@grafana/ui';
+import { usePageToolbar } from 'app/core/components/Page/Page';
 import { useAppNotification } from 'app/core/copy/appNotification';
 import { useQueryParams } from 'app/core/hooks/useQueryParams';
 
@@ -50,39 +52,47 @@ export function ModifyExportRuleForm({ ruleForm, alertUid }: ModifyExportRuleFor
   const [conditionErrorMsg, setConditionErrorMsg] = useState('');
   const [evaluateEvery, setEvaluateEvery] = useState(ruleForm?.evaluateEvery ?? DEFAULT_GROUP_EVALUATION_INTERVAL);
 
-  const onInvalid = (): void => {
+  const onInvalid = useCallback((): void => {
     notifyApp.error('There are errors in the form. Please correct them and try again!');
-  };
+  }, [notifyApp]);
 
   const checkAlertCondition = (msg = '') => {
     setConditionErrorMsg(msg);
   };
 
-  const submit = (exportData: RuleFormValues | undefined) => {
+  const submit = useCallback(
+    (exportData: RuleFormValues | undefined) => {
       if (conditionErrorMsg !== '') {
         notifyApp.error(conditionErrorMsg);
         return;
       }
       setExportData(exportData);
-  };
+    },
+    [conditionErrorMsg, notifyApp]
+  );
 
   const onClose = useCallback(() => {
     setExportData(undefined);
   }, [setExportData]);
 
-  const actionButtons = [
+  const actionButtons = useMemo(
+    () => [
       <LinkButton href={returnTo} key="cancel" size="sm" variant="secondary" onClick={() => submit(undefined)}>
         Cancel
       </LinkButton>,
       <Button key="export-rule" size="sm" onClick={formAPI.handleSubmit((formValues) => submit(formValues), onInvalid)}>
         Export
       </Button>,
-  ];
+    ],
+    [formAPI, onInvalid, returnTo, submit]
+  );
+
+  usePageToolbar(actionButtons);
 
   return (
     <>
       <FormProvider {...formAPI}>
-        <AppChromeUpdate actions={actionButtons} />
+        {!config.featureToggles.singleTopNav && <AppChromeUpdate actions={actionButtons} />}
         <form onSubmit={(e) => e.preventDefault()}>
           <div>
             <CustomScrollbar autoHeightMin="100%" hideHorizontalTrack={true}>

public/app/features/dashboard-scene/scene/DashboardSceneRenderer.tsx

@@ -3,9 +3,10 @@ import { useEffect, useMemo } from 'react';
 import { useLocation } from 'react-router-dom-v5-compat';
 
 import { GrafanaTheme2, PageLayoutType } from '@grafana/data';
-import { useChromeHeaderHeight } from '@grafana/runtime';
+import { config, useChromeHeaderHeight } from '@grafana/runtime';
 import { SceneComponentProps } from '@grafana/scenes';
 import { useStyles2 } from '@grafana/ui';
+import { TOP_BAR_LEVEL_HEIGHT } from 'app/core/components/AppChrome/types';
 import NativeScrollbar from 'app/core/components/NativeScrollbar';
 import { Page } from 'app/core/components/Page/Page';
 import { EntityNotFound } from 'app/core/components/PageNotFound/EntityNotFound';
@@ -14,7 +15,7 @@ import DashboardEmpty from 'app/features/dashboard/dashgrid/DashboardEmpty';
 import { useSelector } from 'app/types';
 
 import { DashboardScene } from './DashboardScene';
-import { NavToolbarActions } from './NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from './NavToolbarActions';
 import { PanelSearchLayout } from './PanelSearchLayout';
 import { DashboardAngularDeprecationBanner } from './angular/DashboardAngularDeprecationBanner';
 
@@ -22,7 +23,7 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
   const { controls, overlay, editview, editPanel, isEmpty, meta, viewPanelScene, panelSearch, panelsPerRow } =
     model.useState();
   const headerHeight = useChromeHeaderHeight();
-  const styles = useStyles2(getStyles, headerHeight);
+  const styles = useStyles2(getStyles, headerHeight ?? 0);
   const location = useLocation();
   const navIndex = useSelector((state) => state.navIndex);
   const pageNav = model.getPageNav(location, navIndex);
@@ -30,6 +31,7 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
   const navModel = getNavModel(navIndex, 'dashboards/browse');
   const hasControls = controls?.hasControls();
   const isSettingsOpen = editview !== undefined;
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   // Remember scroll pos when going into view panel, edit panel or settings
   useMemo(() => {
@@ -79,12 +81,17 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
   }
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Custom}>
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Custom}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={model} /> : undefined}
+    >
       {editPanel && <editPanel.Component model={editPanel} />}
       {!editPanel && (
         <NativeScrollbar divId="page-scrollbar" onSetScrollRef={model.onSetScrollRef}>
           <div className={cx(styles.pageContainer, hasControls && styles.pageContainerWithControls)}>
-            <NavToolbarActions dashboard={model} />
+            {!isSingleTopNav && <NavToolbarActions dashboard={model} />}
             {controls && (
               <div className={styles.controlsWrapper}>
                 <controls.Component model={controls} />
@@ -99,7 +106,7 @@ export function DashboardSceneRenderer({ model }: SceneComponentProps<DashboardS
   );
 }
 
-function getStyles(theme: GrafanaTheme2, headerHeight: number | undefined) {
+function getStyles(theme: GrafanaTheme2, headerHeight: number) {
   return {
     pageContainer: css({
       display: 'grid',
@@ -133,7 +140,7 @@ function getStyles(theme: GrafanaTheme2, headerHeight: number | undefined) {
         position: 'sticky',
         zIndex: theme.zIndex.activePanel,
         background: theme.colors.background.canvas,
-        top: headerHeight,
+        top: config.featureToggles.singleTopNav ? headerHeight + TOP_BAR_LEVEL_HEIGHT : headerHeight,
       },
     }),
     canvasContent: css({

public/app/features/dashboard-scene/settings/AnnotationsEditView.tsx

@@ -1,11 +1,11 @@
 import { AnnotationQuery, getDataSourceRef, NavModel, NavModelItem, PageLayoutType } from '@grafana/data';
-import { getDataSourceSrv } from '@grafana/runtime';
+import { config, getDataSourceSrv } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase, VizPanel, dataLayers } from '@grafana/scenes';
 import { Page } from 'app/core/components/Page/Page';
 
 import { DashboardAnnotationsDataLayer } from '../scene/DashboardAnnotationsDataLayer';
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { dataLayersToAnnotations } from '../serialization/dataLayersToAnnotations';
 import { dashboardSceneGraph } from '../utils/dashboardSceneGraph';
 import { getDashboardSceneFor } from '../utils/utils';
@@ -133,6 +133,7 @@ function AnnotationsSettingsView({ model }: SceneComponentProps<AnnotationsEditV
   const { navModel, pageNav } = useDashboardEditPageNav(dashboard, model.getUrlKey());
   const { editIndex } = model.useState();
   const panels = dashboardSceneGraph.getVizPanels(dashboard);
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   const annotations: AnnotationQuery[] = dataLayersToAnnotations(annotationLayers);
 
@@ -153,8 +154,13 @@ function AnnotationsSettingsView({ model }: SceneComponentProps<AnnotationsEditV
   }
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <AnnotationSettingsList
         annotations={annotations}
         onNew={model.onNew}
@@ -190,6 +196,7 @@ function AnnotationsSettingsEditView({
   onDelete,
 }: AnnotationsSettingsEditViewProps) {
   const { name, query } = annotationLayer.useState();
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   const editAnnotationPageNav = {
     text: name,
@@ -197,8 +204,13 @@ function AnnotationsSettingsEditView({
   };
 
   return (
-    <Page navModel={navModel} pageNav={editAnnotationPageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={editAnnotationPageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <AnnotationSettingsEdit
         annotation={query}
         editIndex={editIndex}

public/app/features/dashboard-scene/settings/DashboardLinksEditView.tsx

@@ -1,10 +1,11 @@
 import { NavModel, NavModelItem, PageLayoutType, arrayUtils } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase } from '@grafana/scenes';
 import { DashboardLink } from '@grafana/schema';
 import { Page } from 'app/core/components/Page/Page';
 
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { DashboardLinkForm } from '../settings/links/DashboardLinkForm';
 import { DashboardLinkList } from '../settings/links/DashboardLinkList';
 import { NEW_LINK } from '../settings/links/utils';
@@ -80,6 +81,7 @@ function DashboardLinksEditViewRenderer({ model }: SceneComponentProps<Dashboard
   const { links } = dashboard.useState();
   const { navModel, pageNav } = useDashboardEditPageNav(dashboard, model.getUrlKey());
   const linkToEdit = editIndex !== undefined ? links[editIndex] : undefined;
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   if (linkToEdit) {
     return (
@@ -95,8 +97,13 @@ function DashboardLinksEditViewRenderer({ model }: SceneComponentProps<Dashboard
   }
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <DashboardLinkList
         links={links}
         onNew={model.onNewLink}
@@ -123,10 +130,16 @@ function EditLinkView({ pageNav, link, navModel, dashboard, onChange, onGoBack }
     text: 'Edit link',
     parentItem: pageNav,
   };
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   return (
-    <Page navModel={navModel} pageNav={editLinkPageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={editLinkPageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <DashboardLinkForm link={link!} onUpdate={onChange} onGoBack={onGoBack} />
     </Page>
   );

public/app/features/dashboard-scene/settings/GeneralSettingsEditView.tsx

@@ -25,7 +25,7 @@ import { GenAIDashTitleButton } from 'app/features/dashboard/components/GenAI/Ge
 
 import { updateNavModel } from '../pages/utils';
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { dashboardSceneGraph } from '../utils/dashboardSceneGraph';
 import { getDashboardSceneFor } from '../utils/utils';
 
@@ -177,10 +177,16 @@ export class GeneralSettingsEditView
     const { intervals } = model.getRefreshPicker().useState();
     const { hideTimeControls } = model.getDashboardControls().useState();
     const { enabled: liveNow } = model.getLiveNowTimer().useState();
+    const isSingleTopNav = config.featureToggles.singleTopNav;
 
     return (
-      <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-        <NavToolbarActions dashboard={dashboard} />
+      <Page
+        navModel={navModel}
+        pageNav={pageNav}
+        layout={PageLayoutType.Standard}
+        toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+      >
+        {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
         <div style={{ maxWidth: '600px' }}>
           <Box marginBottom={5}>
             <Field

public/app/features/dashboard-scene/settings/JsonModelEditView.tsx

@@ -2,6 +2,7 @@ import { css } from '@emotion/css';
 import { useState } from 'react';
 
 import { GrafanaTheme2, PageLayoutType } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase, sceneUtils } from '@grafana/scenes';
 import { Dashboard } from '@grafana/schema';
 import { Alert, Box, Button, CodeEditor, Stack, useStyles2 } from '@grafana/ui';
@@ -18,7 +19,7 @@ import {
 } from '../saving/shared';
 import { useSaveDashboard } from '../saving/useSaveDashboard';
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { transformSaveModelToScene } from '../serialization/transformSaveModelToScene';
 import { transformSceneToSaveModel } from '../serialization/transformSceneToSaveModel';
 import { getDashboardSceneFor } from '../utils/utils';
@@ -88,6 +89,7 @@ export class JsonModelEditView extends SceneObjectBase<JsonModelEditViewState> i
     const { navModel, pageNav } = useDashboardEditPageNav(dashboard, model.getUrlKey());
     const canSave = dashboard.useState().meta.canSave;
     const { jsonText } = model.useState();
+    const isSingleTopNav = config.featureToggles.singleTopNav;
 
     const onSave = async (overwrite: boolean) => {
       const result = await onSaveDashboard(dashboard, JSON.parse(model.state.jsonText), {
@@ -174,8 +176,13 @@ export class JsonModelEditView extends SceneObjectBase<JsonModelEditViewState> i
       );
     }
     return (
-      <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-        <NavToolbarActions dashboard={dashboard} />
+      <Page
+        navModel={navModel}
+        pageNav={pageNav}
+        layout={PageLayoutType.Standard}
+        toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+      >
+        {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
         <div className={styles.wrapper}>
           <Trans i18nKey="dashboard-settings.json-editor.subtitle">
             The JSON model below is the data structure that defines the dashboard. This includes dashboard settings,

public/app/features/dashboard-scene/settings/PermissionsEditView.tsx

@@ -1,4 +1,5 @@
 import { PageLayoutType } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase } from '@grafana/scenes';
 import { Permissions } from 'app/core/components/AccessControl';
 import { Page } from 'app/core/components/Page/Page';
@@ -6,7 +7,7 @@ import { contextSrv } from 'app/core/core';
 import { AccessControlAction } from 'app/types';
 
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { getDashboardSceneFor } from '../utils/utils';
 
 import { DashboardEditView, DashboardEditViewState, useDashboardEditPageNav } from './utils';
@@ -34,10 +35,16 @@ function PermissionsEditorSettings({ model }: SceneComponentProps<PermissionsEdi
   const { uid } = dashboard.useState();
   const { navModel, pageNav } = useDashboardEditPageNav(dashboard, model.getUrlKey());
   const canSetPermissions = contextSrv.hasPermission(AccessControlAction.DashboardsPermissionsWrite);
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <Permissions resource={'dashboards'} resourceId={uid ?? ''} canSetPermissions={canSetPermissions} />
     </Page>
   );

public/app/features/dashboard-scene/settings/VariablesEditView.tsx

@@ -1,9 +1,10 @@
 import { NavModel, NavModelItem, PageLayoutType } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase, SceneVariable, SceneVariables, sceneGraph } from '@grafana/scenes';
 import { Page } from 'app/core/components/Page/Page';
 
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { getDashboardSceneFor } from '../utils/utils';
 
 import { EditListViewSceneUrlSync } from './EditListViewSceneUrlSync';
@@ -206,6 +207,7 @@ function VariableEditorSettingsListView({ model }: SceneComponentProps<Variables
   const { onDelete, onDuplicated, onOrderChanged, onEdit, onTypeChange, onGoBack, onAdd } = model;
   const { variables } = model.getVariableSet().useState();
   const { editIndex } = model.useState();
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   if (editIndex !== undefined && variables[editIndex]) {
     const variable = variables[editIndex];
@@ -226,8 +228,13 @@ function VariableEditorSettingsListView({ model }: SceneComponentProps<Variables
   }
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <VariableEditorList
         variables={variables}
         onDelete={onDelete}
@@ -262,14 +269,20 @@ function VariableEditorSettingsView({
   onValidateVariableName,
 }: VariableEditorSettingsEditViewProps) {
   const { name } = variable.useState();
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   const editVariablePageNav = {
     text: name,
     parentItem: pageNav,
   };
   return (
-    <Page navModel={navModel} pageNav={editVariablePageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={editVariablePageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       <VariableEditorForm
         variable={variable}
         onTypeChange={onTypeChange}

public/app/features/dashboard-scene/settings/VersionsEditView.tsx

@@ -1,12 +1,13 @@
 import * as React from 'react';
 
 import { PageLayoutType, dateTimeFormat, dateTimeFormatTimeAgo } from '@grafana/data';
+import { config } from '@grafana/runtime';
 import { SceneComponentProps, SceneObjectBase, sceneGraph } from '@grafana/scenes';
 import { Spinner, Stack } from '@grafana/ui';
 import { Page } from 'app/core/components/Page/Page';
 
 import { DashboardScene } from '../scene/DashboardScene';
-import { NavToolbarActions } from '../scene/NavToolbarActions';
+import { NavToolbarActions, ToolbarActions } from '../scene/NavToolbarActions';
 import { getDashboardSceneFor } from '../utils/utils';
 
 import { DashboardEditView, DashboardEditViewState, useDashboardEditPageNav } from './utils';
@@ -188,6 +189,7 @@ function VersionsEditorSettingsListView({ model }: SceneComponentProps<VersionsE
   const showButtons = model.versions.length > 1;
   const hasMore = model.versions.length >= model.limit;
   const isLastPage = model.versions.find((rev) => rev.version === 1);
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   const viewModeCompare = (
     <>
@@ -237,8 +239,13 @@ function VersionsEditorSettingsListView({ model }: SceneComponentProps<VersionsE
   );
 
   return (
-    <Page navModel={navModel} pageNav={pageNav} layout={PageLayoutType.Standard}>
-      <NavToolbarActions dashboard={dashboard} />
+    <Page
+      navModel={navModel}
+      pageNav={pageNav}
+      layout={PageLayoutType.Standard}
+      toolbar={isSingleTopNav ? <ToolbarActions dashboard={dashboard} /> : undefined}
+    >
+      {!isSingleTopNav && <NavToolbarActions dashboard={dashboard} />}
       {viewMode === 'compare' ? viewModeCompare : viewModeList}
     </Page>
   );

public/app/features/explore/ExploreToolbar.tsx

@@ -4,7 +4,7 @@ import { useMemo } from 'react';
 import { shallowEqual } from 'react-redux';
 
 import { DataSourceInstanceSettings, RawTimeRange, GrafanaTheme2 } from '@grafana/data';
-import { reportInteraction } from '@grafana/runtime';
+import { config, reportInteraction } from '@grafana/runtime';
 import {
   defaultIntervals,
   PageToolbar,
@@ -89,6 +89,7 @@ export function ExploreToolbar({ exploreId, onChangeTime, onContentOutlineToogle
   const correlationDetails = useSelector(selectCorrelationDetails);
   const isCorrelationsEditorMode = correlationDetails?.editorMode || false;
   const isLeftPane = useSelector(isLeftPaneSelector(exploreId));
+  const isSingleTopNav = config.featureToggles.singleTopNav;
 
   const shouldRotateSplitIcon = useMemo(
     () => (isLeftPane && isLargerPane) || (!isLeftPane && !isLargerPane),
@@ -206,9 +207,11 @@ export function ExploreToolbar({ exploreId, onChangeTime, onContentOutlineToogle
   return (
     <div>
       {refreshInterval && <SetInterval func={onRunQuery} interval={refreshInterval} loading={loading} />}
+      {!isSingleTopNav && (
         <div>
           <AppChromeUpdate actions={navBarActions} />
         </div>
+      )}
       <PageToolbar
         aria-label={t('explore.toolbar.aria-label', 'Explore toolbar')}
         leftItems={[
@@ -233,6 +236,7 @@ export function ExploreToolbar({ exploreId, onChangeTime, onContentOutlineToogle
             hideTextValue={showSmallDataSourcePicker}
             width={showSmallDataSourcePicker ? 8 : undefined}
           />,
+          isSingleTopNav && <ShortLinkButtonMenu key="share" />,
         ].filter(Boolean)}
         forceShowLeftItems
       >