[Stateful sidenav] Update stack management landing page (#191735)

packages/core/chrome/core-chrome-browser-internal/src/chrome_service.tsx

@@ -568,6 +568,8 @@ export class ChromeService {
       sideNav: {
         getIsCollapsed$: () => this.isSideNavCollapsed$.asObservable(),
         setIsCollapsed: setIsSideNavCollapsed,
+        getPanelSelectedNode$: projectNavigation.getPanelSelectedNode$.bind(projectNavigation),
+        setPanelSelectedNode: projectNavigation.setPanelSelectedNode.bind(projectNavigation),
       },
       getActiveSolutionNavId$: () => projectNavigation.getActiveSolutionNavId$(),
       project: {

packages/core/chrome/core-chrome-browser-internal/src/project_navigation/project_navigation_service.test.ts

@@ -1003,4 +1003,69 @@ describe('solution navigations', () => {
       expect(activeSolution).toEqual(solution1);
     }
   });
+
+  it('should set and return the nav panel selected node', async () => {
+    const { projectNavigation } = setup({ navLinkIds: ['link1', 'link2', 'link3'] });
+
+    {
+      const selectedNode = await firstValueFrom(projectNavigation.getPanelSelectedNode$());
+      expect(selectedNode).toBeNull();
+    }
+
+    {
+      const node: ChromeProjectNavigationNode = {
+        id: 'node1',
+        title: 'Node 1',
+        path: 'node1',
+      };
+      projectNavigation.setPanelSelectedNode(node);
+
+      const selectedNode = await firstValueFrom(projectNavigation.getPanelSelectedNode$());
+
+      expect(selectedNode).toBe(node);
+    }
+
+    {
+      const fooSolution: SolutionNavigationDefinition<any> = {
+        id: 'fooSolution',
+        title: 'Foo solution',
+        icon: 'logoSolution',
+        homePage: 'discover',
+        navigationTree$: of({
+          body: [
+            {
+              type: 'navGroup',
+              id: 'group1',
+              children: [
+                { link: 'link1' },
+                {
+                  id: 'group2',
+                  children: [
+                    {
+                      link: 'link2', // We'll target this node using its id
+                    },
+                  ],
+                },
+                { link: 'link3' },
+              ],
+            },
+          ],
+        }),
+      };
+
+      projectNavigation.changeActiveSolutionNavigation('foo');
+      projectNavigation.updateSolutionNavigations({ foo: fooSolution });
+
+      projectNavigation.setPanelSelectedNode('link2'); // Set the selected node using its id
+
+      const selectedNode = await firstValueFrom(projectNavigation.getPanelSelectedNode$());
+
+      expect(selectedNode).toMatchObject({
+        id: 'link2',
+        href: '/app/link2',
+        path: 'group1.group2.link2',
+        title: 'LINK2',
+      });
+    }
+  });
 });

packages/core/chrome/core-chrome-browser-internal/src/project_navigation/project_navigation_service.ts

@@ -74,6 +74,10 @@ export class ProjectNavigationService {
   // The navigation tree for the Side nav UI that still contains layout information (body, footer, etc.)
   private navigationTreeUi$ = new BehaviorSubject<NavigationTreeDefinitionUI | null>(null);
   private activeNodes$ = new BehaviorSubject<ChromeProjectNavigationNode[][]>([]);
+  // Keep a reference to the nav node selected when the navigation panel is opened
+  private readonly panelSelectedNode$ = new BehaviorSubject<ChromeProjectNavigationNode | null>(
+    null
+  );
 
   private projectBreadcrumbs$ = new BehaviorSubject<{
     breadcrumbs: ChromeProjectBreadcrumb[];
@@ -187,6 +191,8 @@ export class ProjectNavigationService {
       getActiveSolutionNavDefinition$: this.getActiveSolutionNavDefinition$.bind(this),
       /** In stateful Kibana, get the id of the active solution navigation */
       getActiveSolutionNavId$: () => this.activeSolutionNavDefinitionId$.asObservable(),
+      getPanelSelectedNode$: () => this.panelSelectedNode$.asObservable(),
+      setPanelSelectedNode: this.setPanelSelectedNode.bind(this),
     };
   }
 
@@ -415,6 +421,34 @@ export class ProjectNavigationService {
     }
   }
 
+  private setPanelSelectedNode = (_node: string | ChromeProjectNavigationNode | null) => {
+    const node = typeof _node === 'string' ? this.findNodeById(_node) : _node;
+    this.panelSelectedNode$.next(node);
+  };
+
+  private findNodeById(id: string): ChromeProjectNavigationNode | null {
+    const allNodes = this.navigationTree$.getValue();
+    if (!allNodes) return null;
+
+    const find = (nodes: ChromeProjectNavigationNode[]): ChromeProjectNavigationNode | null => {
+      // Recursively search for the node with the given id
+      for (const node of nodes) {
+        if (node.id === id) {
+          return node;
+        }
+        if (node.children) {
+          const found = find(node.children);
+          if (found) {
+            return found;
+          }
+        }
+      }
+      return null;
+    };
+
+    return find(allNodes);
+  }
+
   private get http() {
     if (!this._http) {
       throw new Error('Http service not provided.');

packages/core/chrome/core-chrome-browser-mocks/src/chrome_service.mock.ts

@@ -54,6 +54,8 @@ const createStartContractMock = () => {
     sideNav: {
       getIsCollapsed$: jest.fn(),
       setIsCollapsed: jest.fn(),
+      getPanelSelectedNode$: jest.fn(),
+      setPanelSelectedNode: jest.fn(),
     },
     getBreadcrumbsAppendExtension$: jest.fn(),
     setBreadcrumbsAppendExtension: jest.fn(),

packages/core/chrome/core-chrome-browser/index.ts

@@ -51,6 +51,7 @@ export type {
   GroupDefinition,
   ItemDefinition,
   PresetDefinition,
+  PanelSelectedNode,
   RecentlyAccessedDefinition,
   NavigationGroupPreset,
   RootNavigationItemDefinition,

packages/core/chrome/core-chrome-browser/src/contracts.ts

@@ -16,6 +16,7 @@ import type { ChromeHelpExtension } from './help_extension';
 import type { ChromeBreadcrumb, ChromeBreadcrumbsAppendExtension } from './breadcrumb';
 import type { ChromeBadge, ChromeStyle, ChromeUserBanner } from './types';
 import type { ChromeGlobalHelpExtensionMenuLink } from './help_extension';
+import type { PanelSelectedNode } from './project_navigation';
 
 /**
  * ChromeStart allows plugins to customize the global chrome header UI and
@@ -184,6 +185,20 @@ export interface ChromeStart {
      * @param isCollapsed The collapsed state of the side nav.
      */
     setIsCollapsed(isCollapsed: boolean): void;
+
+    /**
+     * Get an observable of the selected nav node that opens the side nav panel.
+     */
+    getPanelSelectedNode$: () => Observable<PanelSelectedNode | null>;
+
+    /**
+     * Set the selected nav node that opens the side nav panel.
+     *
+     * @param node The selected nav node that opens the side nav panel. If a string is provided,
+     * it will be used as the **id** of the selected nav node. If `null` is provided, the side nav panel
+     * will be closed.
+     */
+    setPanelSelectedNode(node: string | PanelSelectedNode | null): void;
   };
 
   /**

packages/core/chrome/core-chrome-browser/src/index.ts

@@ -31,6 +31,7 @@ export type { ChromeBadge, ChromeUserBanner, ChromeStyle } from './types';
 
 export type {
   ChromeProjectNavigationNode,
+  PanelSelectedNode,
   AppDeepLinkId,
   AppId,
   CloudLinkId,

packages/core/chrome/core-chrome-browser/src/project_navigation.ts

@@ -7,7 +7,7 @@
  * License v3.0 only", or the "Server Side Public License, v 1".
  */
 
-import type { ComponentType, MouseEventHandler } from 'react';
+import type { ComponentType, MouseEventHandler, ReactNode } from 'react';
 import type { Location } from 'history';
 import type { EuiSideNavItemType, EuiThemeSizes, IconType } from '@elastic/eui';
 import type { Observable } from 'rxjs';
@@ -247,6 +247,13 @@ export interface ChromeProjectNavigationNode extends NodeDefinitionBase {
   isElasticInternalLink?: boolean;
 }
 
+export type PanelSelectedNode = Pick<
+  ChromeProjectNavigationNode,
+  'id' | 'children' | 'path' | 'sideNavStatus' | 'deepLink'
+> & {
+  title: string | ReactNode;
+};
+
 /** @public */
 export interface SideNavCompProps {
   activeNodes: ChromeProjectNavigationNode[][];

packages/shared-ux/chrome/navigation/src/services.tsx

@@ -37,6 +37,7 @@ export const NavigationKibanaProvider: FC<PropsWithChildren<NavigationKibanaDepe
   const { basePath } = http;
   const { navigateToUrl } = core.application;
   const isSideNavCollapsed = useObservable(chrome.sideNav.getIsCollapsed$(), true);
+  const selectedPanelNode = useObservable(chrome.sideNav.getPanelSelectedNode$(), null);
 
   const value: NavigationServices = useMemo(
     () => ({
@@ -47,6 +48,8 @@ export const NavigationKibanaProvider: FC<PropsWithChildren<NavigationKibanaDepe
       activeNodes$,
       isSideNavCollapsed,
       eventTracker: new EventTracker({ reportEvent: analytics.reportEvent }),
+      selectedPanelNode,
+      setSelectedPanelNode: chrome.sideNav.setPanelSelectedNode,
     }),
     [
       activeNodes$,
@@ -55,6 +58,8 @@ export const NavigationKibanaProvider: FC<PropsWithChildren<NavigationKibanaDepe
       chrome.recentlyAccessed,
       isSideNavCollapsed,
       navigateToUrl,
+      selectedPanelNode,
+      chrome.sideNav.setPanelSelectedNode,
     ]
   );
 

packages/shared-ux/chrome/navigation/src/types.ts

@@ -15,6 +15,7 @@ import type {
   ChromeNavLink,
   ChromeProjectNavigationNode,
   ChromeRecentlyAccessedHistoryItem,
+  PanelSelectedNode,
 } from '@kbn/core-chrome-browser';
 import { EventTracker } from './analytics';
 
@@ -38,6 +39,8 @@ export interface NavigationServices {
   activeNodes$: Observable<ChromeProjectNavigationNode[][]>;
   isSideNavCollapsed: boolean;
   eventTracker: EventTracker;
+  selectedPanelNode?: PanelSelectedNode | null;
+  setSelectedPanelNode?: (node: PanelSelectedNode | null) => void;
 }
 
 /**
@@ -55,6 +58,8 @@ export interface NavigationKibanaDependencies {
       };
       sideNav: {
         getIsCollapsed$: () => Observable<boolean>;
+        getPanelSelectedNode$: () => Observable<PanelSelectedNode | null>;
+        setPanelSelectedNode(node: string | PanelSelectedNode | null): void;
       };
     };
     http: {

packages/shared-ux/chrome/navigation/src/ui/components/panel/context.tsx

@@ -15,19 +15,20 @@ import React, {
   useMemo,
   useState,
   ReactNode,
+  useEffect,
 } from 'react';
-import type { ChromeProjectNavigationNode } from '@kbn/core-chrome-browser';
+import type { ChromeProjectNavigationNode, PanelSelectedNode } from '@kbn/core-chrome-browser';
 
 import { DefaultContent } from './default_content';
-import { ContentProvider, PanelNavNode } from './types';
+import { ContentProvider } from './types';
 
 export interface PanelContext {
   isOpen: boolean;
   toggle: () => void;
-  open: (navNode: PanelNavNode) => void;
+  open: (navNode: PanelSelectedNode) => void;
   close: () => void;
   /** The selected node is the node in the main panel that opens the Panel */
-  selectedNode: PanelNavNode | null;
+  selectedNode: PanelSelectedNode | null;
   /** Handler to retrieve the component to render in the panel */
   getContent: () => React.ReactNode;
 }
@@ -37,29 +38,50 @@ const Context = React.createContext<PanelContext | null>(null);
 interface Props {
   contentProvider?: ContentProvider;
   activeNodes: ChromeProjectNavigationNode[][];
+  selectedNode?: PanelSelectedNode | null;
+  setSelectedNode?: (node: PanelSelectedNode | null) => void;
 }
 
 export const PanelProvider: FC<PropsWithChildren<Props>> = ({
   children,
   contentProvider,
   activeNodes,
+  selectedNode: selectedNodeProp = null,
+  setSelectedNode,
 }) => {
   const [isOpen, setIsOpen] = useState(false);
-  const [selectedNode, setActiveNode] = useState<PanelNavNode | null>(null);
+  const [selectedNode, setActiveNode] = useState<PanelSelectedNode | null>(selectedNodeProp);
 
   const toggle = useCallback(() => {
     setIsOpen((prev) => !prev);
   }, []);
 
-  const open = useCallback((navNode: PanelNavNode) => {
-    setActiveNode(navNode);
-    setIsOpen(true);
-  }, []);
+  const open = useCallback(
+    (navNode: PanelSelectedNode) => {
+      setActiveNode(navNode);
+      setIsOpen(true);
+      setSelectedNode?.(navNode);
+    },
+    [setSelectedNode]
+  );
 
   const close = useCallback(() => {
     setActiveNode(null);
     setIsOpen(false);
-  }, []);
+    setSelectedNode?.(null);
+  }, [setSelectedNode]);
+
+  useEffect(() => {
+    if (selectedNodeProp === undefined) return;
+
+    setActiveNode(selectedNodeProp);
+
+    if (selectedNodeProp) {
+      setIsOpen(true);
+    } else {
+      setIsOpen(false);
+    }
+  }, [selectedNodeProp]);
 
   const getContent = useCallback(() => {
     if (!selectedNode) {

packages/shared-ux/chrome/navigation/src/ui/components/panel/default_content.tsx

@@ -8,12 +8,11 @@
  */
 
 import { EuiFlexGroup, EuiFlexItem, EuiTitle } from '@elastic/eui';
-import { ChromeProjectNavigationNode } from '@kbn/core-chrome-browser';
+import type { ChromeProjectNavigationNode, PanelSelectedNode } from '@kbn/core-chrome-browser';
 import React, { Fragment, type FC } from 'react';
 
 import { PanelGroup } from './panel_group';
 import { PanelNavItem } from './panel_nav_item';
-import type { PanelNavNode } from './types';
 
 function isGroupNode({ children }: Pick<ChromeProjectNavigationNode, 'children'>) {
   return children !== undefined;
@@ -33,7 +32,7 @@ function isItemNode({ children }: Pick<ChromeProjectNavigationNode, 'children'>)
  * @param node The current active node
  * @returns The children serialized
  */
-function serializeChildren(node: PanelNavNode): ChromeProjectNavigationNode[] | undefined {
+function serializeChildren(node: PanelSelectedNode): ChromeProjectNavigationNode[] | undefined {
   if (!node.children) return undefined;
 
   const allChildrenAreItems = node.children.every((_node) => {
@@ -69,7 +68,7 @@ function serializeChildren(node: PanelNavNode): ChromeProjectNavigationNode[] |
 
 interface Props {
   /** The selected node is the node in the main panel that opens the Panel */
-  selectedNode: PanelNavNode;
+  selectedNode: PanelSelectedNode;
 }
 
 export const DefaultContent: FC<Props> = ({ selectedNode }) => {

packages/shared-ux/chrome/navigation/src/ui/components/panel/navigation_panel.tsx

@@ -18,11 +18,11 @@ import {
 import React, { useCallback, type FC } from 'react';
 import classNames from 'classnames';
 
+import type { PanelSelectedNode } from '@kbn/core-chrome-browser';
 import { usePanel } from './context';
 import { getNavPanelStyles, getPanelWrapperStyles } from './styles';
-import { PanelNavNode } from './types';
 
-const getTestSubj = (selectedNode: PanelNavNode | null): string | undefined => {
+const getTestSubj = (selectedNode: PanelSelectedNode | null): string | undefined => {
   if (!selectedNode) return;
 
   const deeplinkId = selectedNode.deepLink?.id;