Search/refactor dashboard search (#23274)

* Search: add search wrapper

* Search: add DashboardSearch.tsx

* Search: enable search

* Search: update types

* Search: useReducer for saving search results

* Search: use default query

* Search: add toggle custom action

* Search: add onQueryChange

* Search: debounce search

* Search: pas dispatch as a prop

* Search: add tag filter

* Search: Fix types

* Search: revert changes

* Search: close overlay on esc

* Search: enable tag filtering

* Search: clear query

* Search: add autofocus to search field

* Search: Rename close to closeSearch

* Search: Add no results message

* Search: Add loading state

* Search: Remove Select from Forms namespace

* Remove Add selectedIndex

* Remove Add getFlattenedSections

* Remove Enable selecting items

* Search: add hasId

* Search: preselect first item

* Search: Add utils tests

* Search: Fix moving selection down

* Search: Add findSelected

* Search: Add type to section

* Search: Handle Enter key press on item highlight

* Search: Move reducer et al. to separate files

* Search: Remove redundant render check

* Search: Close overlay on Esc and ArrowLeft press

* Search: Add close button

* Search: Document utils

* Search: use Icon for remove icon

* Search: Add DashboardSearch.test.tsx

* Search: Move test data to a separate file

* Search: Finalise DashboardSearch.test.tsx

* Add search reducer tests

* Search: Add search results loading indicator

* Search: Remove inline function

* Search: Do not mutate item

* Search: Tweak utils

* Search: Do not clear query on tag clear

* Search: Fix folder:current search

* Search: Fix results scroll

* Search: Update tests

* Search: Close overlay on cog icon click

* Add mobile styles for close button

* Search: Use CustomScrollbar

* Search: Memoize TagList.tsx

* Search: Fix type errors

* Search: More strictNullChecks fixes

* Search: Consistent handler names

* Search: Fix search items types in test

* Search: Fix merge conflicts

* Search: Fix strictNullChecks errors

packages/grafana-ui/src/components/Tags/TagList.tsx

-import React, { FC } from 'react';
+import React, { FC, memo } from 'react';
 import { cx, css } from 'emotion';
 import { OnTagClick, Tag } from './Tag';
 
@@ -9,7 +9,7 @@ export interface Props {
   className?: string;
 }
 
-export const TagList: FC<Props> = ({ tags, onClick, className }) => {
+export const TagList: FC<Props> = memo(({ tags, onClick, className }) => {
   const styles = getStyles();
 
   return (
@@ -19,7 +19,7 @@ export const TagList: FC<Props> = ({ tags, onClick, className }) => {
       ))}
     </span>
   );
-};
+});
 
 const getStyles = () => {
   return {

public/app/core/angular_wrappers.ts

@@ -29,7 +29,7 @@ import {
   SaveDashboardButtonConnected,
 } from '../features/dashboard/components/SaveDashboard/SaveDashboardButton';
 import { VariableEditorContainer } from '../features/variables/editor/VariableEditorContainer';
-import { SearchField, SearchResults, SearchResultsFilter } from '../features/search';
+import { SearchField, SearchResults, SearchWrapper, SearchResultsFilter } from '../features/search';
 
 export function registerAngularDirectives() {
   react2AngularDirective('footer', Footer, []);
@@ -87,6 +87,7 @@ export function registerAngularDirectives() {
     ['onStarredFilterChange', { watchDepth: 'reference' }],
     ['onTagFilterChange', { watchDepth: 'reference' }],
   ]);
+  react2AngularDirective('searchWrapper', SearchWrapper, []);
   react2AngularDirective('tagFilter', TagFilter, [
     'tags',
     ['onChange', { watchDepth: 'reference' }],

public/app/core/components/manage_dashboards/manage_dashboards.ts

@@ -22,6 +22,7 @@ export interface Section {
   checked: boolean;
   hideHeader: boolean;
   toggle: Function;
+  type?: string;
 }
 
 export interface FoldersAndDashboardUids {

public/app/core/components/search/search.html

@@ -12,7 +12,6 @@
     <div class="search-dropdown__col_1">
       <div class="search-results-scroller">
         <div class="search-results-container" grafana-scrollbar>
-          <h6 ng-show="!ctrl.isLoading && ctrl.results.length === 0">No dashboards matching your query were found.</h6>
           <search-results
             results="ctrl.results"
             on-tag-selected="ctrl.filterByTag"

public/app/core/services/search_srv.ts

@@ -6,7 +6,7 @@ import store from 'app/core/store';
 import { contextSrv } from 'app/core/services/context_srv';
 import { backendSrv } from './backend_srv';
 import { Section } from '../components/manage_dashboards/manage_dashboards';
-import { DashboardSearchHit } from 'app/types/search';
+import { DashboardSearchHit, DashboardSearchHitType } from 'app/types/search';
 
 interface Sections {
   [key: string]: Partial<Section>;
@@ -32,6 +32,7 @@ export class SearchSrv {
           expanded: this.recentIsOpen,
           toggle: this.toggleRecent.bind(this),
           items: result,
+          type: DashboardSearchHitType.DashHitFolder,
         };
       }
     });
@@ -86,6 +87,7 @@ export class SearchSrv {
           expanded: this.starredIsOpen,
           toggle: this.toggleStarred.bind(this),
           items: result,
+          type: DashboardSearchHitType.DashHitFolder,
         };
       }
     });
@@ -143,6 +145,7 @@ export class SearchSrv {
           url: hit.url,
           icon: 'folder',
           score: _.keys(sections).length,
+          type: hit.type,
         };
       }
     }
@@ -164,6 +167,7 @@ export class SearchSrv {
             icon: 'folder-open',
             toggle: this.toggleFolder.bind(this),
             score: _.keys(sections).length,
+            type: DashboardSearchHitType.DashHitFolder,
           };
         } else {
           section = {
@@ -173,6 +177,7 @@ export class SearchSrv {
             icon: 'folder-open',
             toggle: this.toggleFolder.bind(this),
             score: _.keys(sections).length,
+            type: DashboardSearchHitType.DashHitFolder,
           };
         }
         // add section

public/app/features/search/components/DashboardSearch.test.tsx

+import React from 'react';
+import { mount } from 'enzyme';
+import { act } from 'react-dom/test-utils';
+import { mockSearch } from './mocks';
+import { DashboardSearch } from './DashboardSearch';
+import { searchResults } from '../testData';
+
+beforeEach(() => {
+  jest.useFakeTimers();
+  mockSearch.mockClear();
+});
+
+afterEach(() => {
+  jest.useRealTimers();
+});
+
+/**
+ * Need to wrap component render in async act and use jest.runAllTimers to test
+ * calls inside useDebounce hook
+ */
+describe('DashboardSearch', () => {
+  it('should call search api with default query when initialised', async () => {
+    await act(() => {
+      mount(<DashboardSearch onCloseSearch={() => {}} />);
+      jest.runAllTimers();
+    });
+
+    expect(mockSearch).toHaveBeenCalledTimes(1);
+    expect(mockSearch).toHaveBeenCalledWith({
+      query: '',
+      parsedQuery: { text: '' },
+      tags: [],
+      tag: [],
+      starred: false,
+      folderIds: [],
+    });
+  });
+
+  it('should call api with updated query on query change', async () => {
+    let wrapper: any;
+    await act(() => {
+      wrapper = mount(<DashboardSearch onCloseSearch={() => {}} />);
+      jest.runAllTimers();
+    });
+
+    await act(() => {
+      wrapper.find({ placeholder: 'Search dashboards by name' }).prop('onChange')({ currentTarget: { value: 'Test' } });
+      jest.runAllTimers();
+    });
+
+    expect(mockSearch).toHaveBeenCalledWith({
+      query: 'Test',
+      parsedQuery: { text: 'Test' },
+      tags: [],
+      tag: [],
+      starred: false,
+      folderIds: [],
+    });
+  });
+
+  it("should render 'No results' message when there are no dashboards", async () => {
+    let wrapper: any;
+    await act(() => {
+      wrapper = mount(<DashboardSearch onCloseSearch={() => {}} />);
+      jest.runAllTimers();
+    });
+    wrapper.update();
+    expect(
+      wrapper.findWhere((c: any) => c.type() === 'h6' && c.text() === 'No dashboards matching your query were found.')
+    ).toHaveLength(1);
+  });
+
+  it('should render search results', async () => {
+    //@ts-ignore
+    mockSearch.mockImplementation(() => Promise.resolve(searchResults));
+    let wrapper: any;
+    await act(() => {
+      wrapper = mount(<DashboardSearch onCloseSearch={() => {}} />);
+      jest.runAllTimers();
+    });
+    wrapper.update();
+    expect(wrapper.find({ 'aria-label': 'Search section' })).toHaveLength(2);
+    expect(wrapper.find({ 'aria-label': 'Search items' }).children()).toHaveLength(2);
+  });
+
+  it('should call search with selected tags', async () => {
+    let wrapper: any;
+    await act(() => {
+      wrapper = mount(<DashboardSearch onCloseSearch={() => {}} />);
+      jest.runAllTimers();
+    });
+
+    await act(() => {
+      wrapper.find('TagFilter').prop('onChange')(['TestTag']);
+      jest.runAllTimers();
+    });
+    expect(mockSearch).toHaveBeenCalledWith({
+      query: '',
+      parsedQuery: { text: '' },
+      tags: ['TestTag'],
+      tag: ['TestTag'],
+      starred: false,
+      folderIds: [],
+    });
+  });
+});

public/app/features/search/components/DashboardSearch.tsx

+import React, { FC, useReducer, useState } from 'react';
+import { useDebounce } from 'react-use';
+import { css } from 'emotion';
+import { Icon, useTheme, CustomScrollbar, stylesFactory } from '@grafana/ui';
+import { getLocationSrv } from '@grafana/runtime';
+import { GrafanaTheme } from '@grafana/data';
+import { SearchSrv } from 'app/core/services/search_srv';
+import { backendSrv } from 'app/core/services/backend_srv';
+import { SearchQuery } from 'app/core/components/search/search';
+import { TagFilter } from 'app/core/components/TagFilter/TagFilter';
+import { contextSrv } from 'app/core/services/context_srv';
+import { DashboardSearchItemType, DashboardSection, OpenSearchParams } from '../types';
+import { findSelected, hasId, parseQuery } from '../utils';
+import { searchReducer, initialState } from '../reducers/dashboardSearch';
+import { getDashboardSrv } from '../../dashboard/services/DashboardSrv';
+import {
+  FETCH_ITEMS,
+  FETCH_RESULTS,
+  TOGGLE_SECTION,
+  MOVE_SELECTION_DOWN,
+  MOVE_SELECTION_UP,
+} from '../reducers/actionTypes';
+import { SearchField } from './SearchField';
+import { SearchResults } from './SearchResults';
+
+const searchSrv = new SearchSrv();
+
+const defaultQuery: SearchQuery = { query: '', parsedQuery: { text: '' }, tags: [], starred: false };
+const { isEditor, hasEditPermissionInFolders } = contextSrv;
+const canEdit = isEditor || hasEditPermissionInFolders;
+
+export interface Props {
+  onCloseSearch: () => void;
+  payload?: OpenSearchParams;
+}
+
+export const DashboardSearch: FC<Props> = ({ onCloseSearch, payload = {} }) => {
+  const [query, setQuery] = useState({ ...defaultQuery, ...payload, parsedQuery: parseQuery(payload.query) });
+  const [{ results, loading }, dispatch] = useReducer(searchReducer, initialState);
+  const theme = useTheme();
+  const styles = getStyles(theme);
+
+  const search = () => {
+    let folderIds: number[] = [];
+    if (query.parsedQuery.folder === 'current') {
+      const { folderId } = getDashboardSrv().getCurrent().meta;
+      if (folderId) {
+        folderIds.push(folderId);
+      }
+    }
+    searchSrv.search({ ...query, tag: query.tags, query: query.parsedQuery.text, folderIds }).then(results => {
+      dispatch({ type: FETCH_RESULTS, payload: results });
+    });
+  };
+
+  useDebounce(search, 300, [query]);
+
+  const onToggleSection = (section: DashboardSection) => {
+    if (hasId(section.title) && !section.items.length) {
+      backendSrv.search({ ...defaultQuery, folderIds: [section.id] }).then(items => {
+        dispatch({ type: FETCH_ITEMS, payload: { section, items } });
+        dispatch({ type: TOGGLE_SECTION, payload: section });
+      });
+    } else {
+      dispatch({ type: TOGGLE_SECTION, payload: section });
+    }
+  };
+
+  const onQueryChange = (searchQuery: string) => {
+    setQuery(q => ({
+      ...q,
+      parsedQuery: parseQuery(searchQuery),
+      query: searchQuery,
+    }));
+  };
+
+  const onKeyDown = (event: React.KeyboardEvent<HTMLInputElement>) => {
+    switch (event.key) {
+      case 'Escape':
+        onCloseSearch();
+        break;
+      case 'ArrowUp':
+        dispatch({ type: MOVE_SELECTION_UP });
+        break;
+      case 'ArrowDown':
+        dispatch({ type: MOVE_SELECTION_DOWN });
+        break;
+      case 'Enter':
+        const selectedItem = findSelected(results);
+        if (selectedItem) {
+          if (selectedItem.type === DashboardSearchItemType.DashFolder) {
+            onToggleSection(selectedItem as DashboardSection);
+          } else {
+            getLocationSrv().update({ path: selectedItem.url });
+            // Delay closing to prevent current page flicker
+            setTimeout(onCloseSearch, 0);
+          }
+        }
+    }
+  };
+
+  // The main search input has own keydown handler, also TagFilter uses input, so
+  // clicking Esc when tagFilter is active shouldn't close the whole search overlay
+  const onClose = (e: React.KeyboardEvent<HTMLElement>) => {
+    const target = e.target as HTMLElement;
+    if ((target.tagName as any) !== 'INPUT' && ['Escape', 'ArrowLeft'].includes(e.key)) {
+      onCloseSearch();
+    }
+  };
+
+  const onTagFiltersChanged = (tags: string[]) => {
+    setQuery(q => ({ ...q, tags }));
+  };
+
+  const onTagSelected = (tag: string) => {
+    if (tag && !query.tags.includes(tag)) {
+      setQuery(q => ({ ...q, tags: [...q.tags, tag] }));
+    }
+  };
+
+  const onClearSearchFilters = () => {
+    setQuery(q => ({ ...q, tags: [] }));
+  };
+
+  return (
+    <div tabIndex={0} className="search-container" onKeyDown={onClose}>
+      <SearchField query={query} onChange={onQueryChange} onKeyDown={onKeyDown} autoFocus={true} />
+      <div className="search-dropdown">
+        <div className="search-dropdown__col_1">
+          <CustomScrollbar>
+            <div className="search-results-container">
+              <SearchResults
+                results={results}
+                loading={loading}
+                onTagSelected={onTagSelected}
+                dispatch={dispatch}
+                editable={false}
+                onToggleSection={onToggleSection}
+              />
+            </div>
+          </CustomScrollbar>
+        </div>
+        <div className="search-dropdown__col_2">
+          <div className="search-filter-box">
+            <div className="search-filter-box__header">
+              <Icon name="filter" />
+              Filter by:
+              {query.tags.length > 0 && (
+                <a className="pointer pull-right small" onClick={onClearSearchFilters}>
+                  <Icon name="times" /> Clear
+                </a>
+              )}
+            </div>
+
+            <TagFilter tags={query.tags} tagOptions={searchSrv.getDashboardTags} onChange={onTagFiltersChanged} />
+          </div>
+
+          {canEdit && (
+            <div className="search-filter-box" onClick={onCloseSearch}>
+              <a href="dashboard/new" className="search-filter-box-link">
+                <i className="gicon gicon-dashboard-new"></i> New dashboard
+              </a>
+              {isEditor && (
+                <a href="dashboards/folder/new" className="search-filter-box-link">
+                  <i className="gicon gicon-folder-new"></i> New folder
+                </a>
+              )}
+              <a href="dashboard/import" className="search-filter-box-link">
+                <i className="gicon gicon-dashboard-import"></i> Import dashboard
+              </a>
+              <a
+                className="search-filter-box-link"
+                target="_blank"
+                href="https://grafana.com/dashboards?utm_source=grafana_search"
+              >
+                <img src="public/img/icn-dashboard-tiny.svg" width="20" /> Find dashboards on Grafana.com
+              </a>
+            </div>
+          )}
+        </div>
+        <Icon onClick={onCloseSearch} className={styles.closeBtn} name="times" />
+      </div>
+    </div>
+  );
+};
+
+const getStyles = stylesFactory((theme: GrafanaTheme) => {
+  return {
+    closeBtn: css`
+      font-size: 22px;
+      margin-top: 14px;
+      margin-right: 6px;
+
+      &:hover {
+        cursor: pointer;
+        color: ${theme.colors.white};
+      }
+
+      @media only screen and (max-width: ${theme.breakpoints.md}) {
+        position: absolute;
+        right: 15px;
+        top: 60px;
+      }
+    `,
+  };
+});

public/app/features/search/components/SearchCheckbox.tsx

@@ -3,21 +3,19 @@ import { css } from 'emotion';
 import { Forms, stylesFactory } from '@grafana/ui';
 
 interface Props {
-  checked: boolean;
+  checked?: boolean;
   onClick: any;
   editable?: boolean;
 }
 
-export const SearchCheckbox: FC<Props> = memo(({ checked = false, onClick, editable = false }) => {
+export const SearchCheckbox: FC<Props> = memo(({ onClick, checked = false, editable = false }) => {
   const styles = getStyles();
 
-  return (
-    editable && (
-      <div onClick={onClick} className={styles.wrapper}>
-        <Forms.Checkbox value={checked} />
-      </div>
-    )
-  );
+  return editable ? (
+    <div onClick={onClick} className={styles.wrapper}>
+      <Forms.Checkbox value={checked} />
+    </div>
+  ) : null;
 });
 
 const getStyles = stylesFactory(() => ({

public/app/features/search/components/SearchField.tsx

 import React, { useContext } from 'react';
 import { css, cx } from 'emotion';
-// @ts-ignore
-import tinycolor from 'tinycolor2';
 import { ThemeContext, Icon } from '@grafana/ui';
 import { GrafanaTheme } from '@grafana/data';
 import { SearchQuery } from 'app/core/components/search/search';
 
 type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
 
-interface SearchFieldProps extends Omit<React.HTMLAttributes<HTMLInputElement>, 'onChange'> {
+interface SearchFieldProps extends Omit<React.InputHTMLAttributes<HTMLInputElement>, 'onChange'> {
   query: SearchQuery;
   onChange: (query: string) => void;
   onKeyDown: (e: React.KeyboardEvent<HTMLInputElement>) => void;

public/app/features/search/components/SearchItem.test.tsx

 import React from 'react';
 import { shallow, mount } from 'enzyme';
-import { SearchItem, Props } from './SearchItem';
 import { Tag } from '@grafana/ui';
+import { SearchItem, Props } from './SearchItem';
+import { DashboardSearchItemType } from '../types';
 
 const data = {
   id: 1,
@@ -10,8 +11,7 @@ const data = {
   uri: 'db/test1',
   url: '/d/lBdLINUWk/test1',
   slug: '',
-  type: 'dash-db',
-  //@ts-ignore
+  type: DashboardSearchItemType.DashDB,
   tags: ['Tag1', 'Tag2'],
   isStarred: false,
   checked: false,

public/app/features/search/components/SearchItem.tsx

@@ -11,34 +11,40 @@ import { SearchCheckbox } from './SearchCheckbox';
 export interface Props {
   item: DashboardSectionItem;
   editable?: boolean;
-  onToggleSelection: ItemClickWithEvent;
+  onToggleSelection?: ItemClickWithEvent;
   onTagSelected: (name: string) => any;
 }
 
 const { selectors } = e2e.pages.Dashboards;
 
-export const SearchItem: FC<Props> = ({ item, editable, onToggleSelection, onTagSelected }) => {
+export const SearchItem: FC<Props> = ({ item, editable, onToggleSelection = () => {}, onTagSelected }) => {
   const theme = useTheme();
   const styles = getResultsItemStyles(theme);
-  const inputEl = useRef(null);
+  const inputEl = useRef<HTMLInputElement>(null);
 
   useEffect(() => {
-    inputEl.current.addEventListener('click', (event: MouseEvent) => {
+    const preventDef = (event: MouseEvent) => {
       // manually prevent default on TagList click, as doing it via normal onClick doesn't work inside angular
       event.preventDefault();
-    });
+    };
+    if (inputEl.current) {
+      inputEl.current.addEventListener('click', preventDef);
+    }
+    return () => {
+      inputEl.current!.removeEventListener('click', preventDef);
+    };
   }, []);
 
   const onItemClick = () => {
     //Check if one string can be found in the other
     if (window.location.pathname.includes(item.url) || item.url.includes(window.location.pathname)) {
-      appEvents.emit(CoreEvents.hideDashSearch);
+      appEvents.emit(CoreEvents.hideDashSearch, { target: 'search-item' });
     }
   };
 
-  const tagSelected = (tag: string, event: React.MouseEvent<HTMLElement>) => {
+  const tagSelected = useCallback((tag: string, event: React.MouseEvent<HTMLElement>) => {
     onTagSelected(tag);
-  };
+  }, []);
 
   const toggleItem = useCallback(
     (event: React.MouseEvent<HTMLElement>) => {

public/app/features/search/components/SearchResults.test.tsx

 import React from 'react';
 import { shallow, mount } from 'enzyme';
 import { SearchResults, Props } from './SearchResults';
-
-const data = [
-  {
-    id: 2,
-    uid: 'JB_zdOUWk',
-    title: 'gdev dashboards',
-    expanded: false,
-    //@ts-ignore
-    items: [],
-    url: '/dashboards/f/JB_zdOUWk/gdev-dashboards',
-    icon: 'folder',
-    score: 0,
-    checked: false,
-  },
-  {
-    id: 0,
-    title: 'General',
-    items: [
-      {
-        id: 1,
-        uid: 'lBdLINUWk',
-        title: 'Test 1',
-        uri: 'db/test1',
-        url: '/d/lBdLINUWk/test1',
-        slug: '',
-        type: 'dash-db',
-        //@ts-ignore
-        tags: [],
-        isStarred: false,
-        checked: false,
-      },
-      {
-        id: 46,
-        uid: '8DY63kQZk',
-        title: 'Test 2',
-        uri: 'db/test2',
-        url: '/d/8DY63kQZk/test2',
-        slug: '',
-        type: 'dash-db',
-        tags: [],
-        isStarred: false,
-        checked: false,
-      },
-    ],
-    icon: 'folder-open',
-    score: 1,
-    expanded: true,
-    checked: false,
-  },
-];
+import { searchResults } from '../testData';
 
 const setup = (propOverrides?: Partial<Props>, renderMethod = shallow) => {
   const props: Props = {
     //@ts-ignore
-    results: data,
+    results: searchResults,
     onSelectionChanged: () => {},
     onTagSelected: (name: string) => {},
     onFolderExpanding: () => {},

public/app/features/search/components/SearchResults.tsx

-import React, { FC } from 'react';
+import React, { FC, Dispatch } from 'react';
 import { css, cx } from 'emotion';
 import { GrafanaTheme } from '@grafana/data';
-import { Icon, IconName, stylesFactory, useTheme } from '@grafana/ui';
-import { DashboardSection, ItemClickWithEvent } from '../types';
+import { Icon, stylesFactory, useTheme, IconName } from '@grafana/ui';
+import PageLoader from 'app/core/components/PageLoader/PageLoader';
+import appEvents from 'app/core/app_events';
+import { CoreEvents } from 'app/types';
+import { DashboardSection, ItemClickWithEvent, SearchAction } from '../types';
 import { SearchItem } from './SearchItem';
 import { SearchCheckbox } from './SearchCheckbox';
 
 export interface Props {
-  results: DashboardSection[] | undefined;
-  onSelectionChanged: () => void;
+  dispatch?: Dispatch<SearchAction>;
+  editable?: boolean;
+  loading?: boolean;
+  onFolderExpanding?: () => void;
+  onSelectionChanged?: () => void;
   onTagSelected: (name: string) => any;
-  onFolderExpanding: () => void;
-  onToggleSelection: ItemClickWithEvent;
-  editable: boolean;
+  onToggleSection?: any;
+  onToggleSelection?: ItemClickWithEvent;
+  results: DashboardSection[] | undefined;
 }
 
 export const SearchResults: FC<Props> = ({
-  results,
+  editable,
+  loading,
+  onFolderExpanding,
   onSelectionChanged,
   onTagSelected,
-  onFolderExpanding,
+  onToggleSection,
   onToggleSelection,
-  editable,
+  results,
 }) => {
   const theme = useTheme();
   const styles = getSectionStyles(theme);
 
   const toggleFolderExpand = (section: DashboardSection) => {
-    if (section.toggle) {
-      if (!section.expanded && onFolderExpanding) {
-        onFolderExpanding();
-      }
-
-      section.toggle(section).then(() => {
-        if (onSelectionChanged) {
-          onSelectionChanged();
+    if (onToggleSection) {
+      onToggleSection(section);
+    } else {
+      if (section.toggle) {
+        if (!section.expanded && onFolderExpanding) {
+          onFolderExpanding();
         }
-      });
+
+        section.toggle(section).then(() => {
+          if (onSelectionChanged) {
+            onSelectionChanged();
+          }
+        });
+      }
     }
   };
 
-  // TODO display 'No results' messages after manage dashboards is refactored
-  if (!results) {
-    return null;
+  if (loading) {
+    return <PageLoader />;
+  } else if (!results || !results.length) {
+    return <h6>No dashboards matching your query were found.</h6>;
   }
 
   return (
@@ -79,11 +92,16 @@ const getSectionStyles = stylesFactory((theme: GrafanaTheme) => {
 interface SectionHeaderProps {
   section: DashboardSection;
   onSectionClick: (section: DashboardSection) => void;
-  onToggleSelection: ItemClickWithEvent;
-  editable: boolean;
+  onToggleSelection?: ItemClickWithEvent;
+  editable?: boolean;
 }
 
-const SectionHeader: FC<SectionHeaderProps> = ({ section, onSectionClick, onToggleSelection, editable }) => {
+const SectionHeader: FC<SectionHeaderProps> = ({
+  section,
+  onSectionClick,
+  onToggleSelection = () => {},
+  editable = false,
+}) => {
   const theme = useTheme();
   const styles = getSectionHeaderStyles(theme, section.selected);
 
@@ -102,7 +120,11 @@ const SectionHeader: FC<SectionHeaderProps> = ({ section, onSectionClick, onTogg
 
       <span className={styles.text}>{section.title}</span>
       {section.url && (
-        <a href={section.url} className={styles.link}>
+        <a
+          href={section.url}
+          className={styles.link}
+          onClick={() => appEvents.emit(CoreEvents.hideDashSearch, { target: 'search-item' })}
+        >
           <Icon name="cog" />
         </a>
       )}

public/app/features/search/components/SearchWrapper.tsx

+import React, { FC, useState, useEffect } from 'react';
+import { appEvents } from 'app/core/core';
+import { CoreEvents } from 'app/types';
+import { DashboardSearch } from './DashboardSearch';
+import { OpenSearchParams } from '../types';
+
+export const SearchWrapper: FC = () => {
+  const [isOpen, setIsOpen] = useState(false);
+  const [payload, setPayload] = useState({});
+
+  useEffect(() => {
+    const openSearch = (payload: OpenSearchParams) => {
+      setIsOpen(true);
+      setPayload(payload);
+    };
+
+    const closeOnItemClick = (payload: any) => {
+      // Detect if the event was emitted by clicking on search item
+      if (payload?.target === 'search-item' && isOpen) {
+        setIsOpen(false);
+      }
+    };
+
+    appEvents.on(CoreEvents.showDashSearch, openSearch);
+    appEvents.on(CoreEvents.hideDashSearch, closeOnItemClick);
+
+    return () => {
+      appEvents.off(CoreEvents.showDashSearch, openSearch);
+      appEvents.off(CoreEvents.hideDashSearch, closeOnItemClick);
+    };
+  }, [isOpen]);
+
+  return isOpen ? (
+    <>
+      <div className="search-backdrop" />
+      <DashboardSearch onCloseSearch={() => setIsOpen(false)} payload={payload} />
+    </>
+  ) : null;
+};

public/app/features/search/components/mocks.ts

+export const mockSearch = jest.fn(() => {
+  return Promise.resolve([]);
+});
+jest.mock('app/core/services/search_srv', () => {
+  return {
+    SearchSrv: jest.fn().mockImplementation(() => {
+      return { search: mockSearch, getDashboardTags: jest.fn(() => Promise.resolve(['Tag1', 'Tag2'])) };
+    }),
+  };
+});

public/app/features/search/constants.ts

+export const NO_ID_SECTIONS = ['Recent', 'Starred'];

public/app/features/search/index.ts

@@ -2,5 +2,6 @@ export { SearchResults } from './components/SearchResults';
 export { SearchField } from './components/SearchField';
 export { SearchItem } from './components/SearchItem';
 export { SearchCheckbox } from './components/SearchCheckbox';
+export { SearchWrapper } from './components/SearchWrapper';
 export { SearchResultsFilter } from './components/SearchResultsFilter';
 export * from './types';

public/app/features/search/reducers/actionTypes.ts

+export const FETCH_RESULTS = 'FETCH_RESULTS';
+export const TOGGLE_SECTION = 'TOGGLE_SECTION';
+export const FETCH_ITEMS = 'FETCH_ITEMS';
+export const MOVE_SELECTION_UP = 'MOVE_SELECTION_UP';
+export const MOVE_SELECTION_DOWN = 'MOVE_SELECTION_DOWN';

public/app/features/search/reducers/dashboardSearch.test.ts

+import { FETCH_ITEMS, FETCH_RESULTS, TOGGLE_SECTION, MOVE_SELECTION_DOWN, MOVE_SELECTION_UP } from './actionTypes';
+import { searchReducer as reducer, initialState } from './dashboardSearch';
+import { searchResults, sections } from '../testData';
+
+describe('Dashboard Search reducer', () => {
+  it('should return the initial state', () => {
+    expect(reducer(initialState, {} as any)).toEqual(initialState);
+  });
+  it('should set the results and mark first item as selected', () => {
+    const newState = reducer(initialState, { type: FETCH_RESULTS, payload: searchResults });
+    expect(newState).toEqual({ loading: false, selectedIndex: 0, results: searchResults });
+    expect(newState.results[0].selected).toBeTruthy();
+  });
+
+  it('should toggle selected section', () => {
+    const newState = reducer({ loading: false, results: sections }, { type: TOGGLE_SECTION, payload: sections[5] });
+    expect(newState.results[5].expanded).toBeFalsy();
+    const newState2 = reducer({ loading: false, results: sections }, { type: TOGGLE_SECTION, payload: sections[1] });
+    expect(newState2.results[1].expanded).toBeTruthy();
+  });
+
+  it('should handle FETCH_ITEMS', () => {
+    const items = [
+      {
+        id: 4072,
+        uid: 'OzAIf_rWz',
+        title: 'New dashboard Copy 3',
+        type: 'dash-db',
+        isStarred: false,
+      },
+      {
+        id: 46,
+        uid: '8DY63kQZk',
+        title: 'Stocks',
+        type: 'dash-db',
+        isStarred: false,
+      },
+    ];
+    const newState = reducer(
+      { loading: false, results: sections },
+      {
+        type: FETCH_ITEMS,
+        payload: {
+          section: sections[2],
+          items,
+        },
+      }
+    );
+    expect(newState.results[2].items).toEqual(items);
+  });
+
+  it('should handle MOVE_SELECTION_DOWN', () => {
+    const newState = reducer(
+      { loading: false, selectedIndex: 0, results: sections },
+      {
+        type: MOVE_SELECTION_DOWN,
+      }
+    );
+
+    expect(newState.selectedIndex).toEqual(1);
+    expect(newState.results[0].items[0].selected).toBeTruthy();
+
+    const newState2 = reducer(newState, {
+      type: MOVE_SELECTION_DOWN,
+    });
+
+    expect(newState2.selectedIndex).toEqual(2);
+    expect(newState2.results[1].selected).toBeTruthy();
+
+    // Shouldn't go over the visible results length - 1 (9)
+    const newState3 = reducer(
+      { loading: false, selectedIndex: 9, results: sections },
+      {
+        type: MOVE_SELECTION_DOWN,
+      }
+    );
+    expect(newState3.selectedIndex).toEqual(9);
+  });
+
+  it('should handle MOVE_SELECTION_UP', () => {
+    // shouldn't move beyond 0
+    const newState = reducer(
+      { loading: false, selectedIndex: 0, results: sections },
+      {
+        type: MOVE_SELECTION_UP,
+      }
+    );
+
+    expect(newState.selectedIndex).toEqual(0);
+
+    const newState2 = reducer(
+      { loading: false, selectedIndex: 3, results: sections },
+      {
+        type: MOVE_SELECTION_UP,
+      }
+    );
+    expect(newState2.selectedIndex).toEqual(2);
+    expect(newState2.results[1].selected).toBeTruthy();
+  });
+});

public/app/features/search/reducers/dashboardSearch.ts

+import { DashboardSection, SearchAction } from '../types';
+import { getFlattenedSections, getLookupField, markSelected } from '../utils';
+import { FETCH_ITEMS, FETCH_RESULTS, TOGGLE_SECTION, MOVE_SELECTION_DOWN, MOVE_SELECTION_UP } from './actionTypes';
+
+interface State {
+  results: DashboardSection[];
+  loading: boolean;
+  selectedIndex: number;
+}
+
+export const initialState: State = {
+  results: [],
+  loading: true,
+  selectedIndex: 0,
+};
+
+export const searchReducer = (state: any, action: SearchAction) => {
+  switch (action.type) {
+    case FETCH_RESULTS: {
+      const results = action.payload;
+      // Highlight the first item ('Starred' folder)
+      if (results.length) {
+        results[0].selected = true;
+      }
+      return { ...state, results, loading: false };
+    }
+    case TOGGLE_SECTION: {
+      const section = action.payload;
+      const lookupField = getLookupField(section.title);
+      return {
+        ...state,
+        results: state.results.map((result: DashboardSection) => {
+          if (section[lookupField] === result[lookupField]) {
+            return { ...result, expanded: !result.expanded };
+          }
+          return result;
+        }),
+      };
+    }
+    case FETCH_ITEMS: {
+      const { section, items } = action.payload;
+      return {
+        ...state,
+        results: state.results.map((result: DashboardSection) => {
+          if (section.id === result.id) {
+            return { ...result, items };
+          }
+          return result;
+        }),
+      };
+    }
+    case MOVE_SELECTION_DOWN: {
+      const flatIds = getFlattenedSections(state.results);
+      if (state.selectedIndex < flatIds.length - 1) {
+        const newIndex = state.selectedIndex + 1;
+        const selectedId = flatIds[newIndex];
+        return {
+          ...state,
+          selectedIndex: newIndex,
+          results: markSelected(state.results, selectedId),
+        };
+      }
+      return state;
+    }
+    case MOVE_SELECTION_UP:
+      if (state.selectedIndex > 0) {
+        const flatIds = getFlattenedSections(state.results);
+        const newIndex = state.selectedIndex - 1;
+        const selectedId = flatIds[newIndex];
+        return {
+          ...state,
+          selectedIndex: newIndex,
+          results: markSelected(state.results, selectedId),
+        };
+      }
+      return state;
+    default:
+      return state;
+  }
+};

public/app/features/search/testData.ts

+export const searchResults = [
+  {
+    id: 2,
+    uid: 'JB_zdOUWk',
+    title: 'gdev dashboards',
+    expanded: false,
+    //@ts-ignore
+    items: [],
+    url: '/dashboards/f/JB_zdOUWk/gdev-dashboards',
+    icon: 'folder',
+    score: 0,
+    checked: false,
+  },
+  {
+    id: 0,
+    title: 'General',
+    items: [
+      {
+        id: 1,
+        uid: 'lBdLINUWk',
+        title: 'Test 1',
+        uri: 'db/test1',
+        url: '/d/lBdLINUWk/test1',
+        slug: '',
+        type: 'dash-db',
+        //@ts-ignore
+        tags: [],
+        isStarred: false,
+        checked: false,
+      },
+      {
+        id: 46,
+        uid: '8DY63kQZk',
+        title: 'Test 2',
+        uri: 'db/test2',
+        url: '/d/8DY63kQZk/test2',
+        slug: '',
+        type: 'dash-db',
+        tags: [],
+        isStarred: false,
+        checked: false,
+      },
+    ],
+    icon: 'folder-open',
+    score: 1,
+    expanded: true,
+    checked: false,
+  },
+];
+
+// Search results with more info
+export const sections = [
+  {
+    title: 'Starred',
+    score: -2,
+    expanded: true,
+    items: [
+      {
+        id: 1,
+        uid: 'lBdLINUWk',
+        title: 'Prom dash',
+        type: 'dash-db',
+      },
+    ],
+  },
+  {
+    title: 'Recent',
+    icon: 'clock-o',
+    score: -1,
+    removable: true,
+    expanded: false,
+    items: [
+      {
+        id: 4072,
+        uid: 'OzAIf_rWz',
+        title: 'New dashboard Copy 3',
+
+        type: 'dash-db',
+        isStarred: false,
+      },
+      {
+        id: 46,
+        uid: '8DY63kQZk',
+        title: 'Stocks',
+        type: 'dash-db',
+        isStarred: false,
+      },
+      {
+        id: 20,
+        uid: '7MeksYbmk',
+        title: 'Alerting with TestData',
+        type: 'dash-db',
+        isStarred: false,
+        folderId: 2,
+      },
+      {
+        id: 4073,
+        uid: 'j9SHflrWk',
+        title: 'New dashboard Copy 4',
+        type: 'dash-db',
+        isStarred: false,
+        folderId: 2,
+      },
+    ],
+  },
+  {
+    id: 2,
+    uid: 'JB_zdOUWk',
+    title: 'gdev dashboards',
+    expanded: false,
+    url: '/dashboards/f/JB_zdOUWk/gdev-dashboards',
+    icon: 'folder',
+    score: 2,
+    //@ts-ignore
+    items: [],
+  },
+  {
+    id: 2568,
+    uid: 'search-test-data',
+    title: 'Search test data folder',
+    expanded: false,
+    items: [],
+    url: '/dashboards/f/search-test-data/search-test-data-folder',
+    icon: 'folder',
+    score: 3,
+  },
+  {
+    id: 4074,
+    uid: 'iN5TFj9Zk',
+    title: 'Test',
+    expanded: false,
+    items: [],
+    url: '/dashboards/f/iN5TFj9Zk/test',
+    icon: 'folder',
+    score: 4,
+  },
+  {
+    id: 0,
+    title: 'General',
+    icon: 'folder-open',
+    score: 5,
+    expanded: true,
+    items: [
+      {
+        id: 4069,
+        uid: 'LCFWfl9Zz',
+        title: 'New dashboard Copy',
+        uri: 'db/new-dashboard-copy',
+        url: '/d/LCFWfl9Zz/new-dashboard-copy',
+        slug: '',
+        type: 'dash-db',
+        isStarred: false,
+      },
+      {
+        id: 4072,
+        uid: 'OzAIf_rWz',
+        title: 'New dashboard Copy 3',
+        type: 'dash-db',
+        isStarred: false,
+      },
+      {
+        id: 1,
+        uid: 'lBdLINUWk',
+        title: 'Prom dash',
+        type: 'dash-db',
+        isStarred: true,
+      },
+    ],
+  },
+];

public/app/features/search/types.ts

+export enum DashboardSearchItemType {
+  DashDB = 'dash-db',
+  DashHome = 'dash-home',
+  DashFolder = 'dash-folder',
+}
+
 export interface DashboardSection {
   id: number;
   uid?: string;
   title: string;
-  expanded: boolean;
+  expanded?: boolean;
   url: string;
   icon: string;
   score: number;
   hideHeader?: boolean;
-  checked: boolean;
+  checked?: boolean;
   items: DashboardSectionItem[];
   toggle?: (section: DashboardSection) => Promise<DashboardSection>;
   selected?: boolean;
+  type: DashboardSearchItemType;
 }
 
 export interface DashboardSectionItem {
-  id: number;
-  uid: string;
-  title: string;
-  uri: string;
-  url: string;
-  type: string;
-  tags: string[];
-  isStarred: boolean;
+  checked?: boolean;
   folderId?: number;
-  folderUid?: string;
   folderTitle?: string;
+  folderUid?: string;
   folderUrl?: string;
-  checked: boolean;
+  id: number;
+  isStarred: boolean;
   selected?: boolean;
+  tags: string[];
+  title: string;
+  type: DashboardSearchItemType;
+  uid: string;
+  uri: string;
+  url: string;
 }
 
 export interface DashboardTag {
@@ -52,3 +59,12 @@ export interface SectionsState {
 }
 
 export type ItemClickWithEvent = (item: DashboardSectionItem | DashboardSection, event: any) => void;
+
+export type SearchAction = {
+  type: string;
+  payload?: any;
+};
+
+export interface OpenSearchParams {
+  query?: string;
+}

public/app/features/search/utils.test.ts

+import { findSelected, getFlattenedSections, markSelected } from './utils';
+import { DashboardSection } from './types';
+import { sections } from './testData';
+
+describe('Search utils', () => {
+  describe('getFlattenedSections', () => {
+    it('should return an array of items plus children for expanded items', () => {
+      const flatSections = getFlattenedSections(sections as DashboardSection[]);
+      expect(flatSections).toHaveLength(10);
+      expect(flatSections).toEqual([
+        'Starred',
+        'Starred-1',
+        'Recent',
+        '2',
+        '2568',
+        '4074',
+        '0',
+        '0-4069',
+        '0-4072',
+        '0-1',
+      ]);
+    });
+
+    describe('markSelected', () => {
+      it('should correctly mark the section item without id as selected', () => {
+        const results = markSelected(sections as any, 'Recent');
+        //@ts-ignore
+        expect(results[1].selected).toBe(true);
+      });
+
+      it('should correctly mark the section item with id as selected', () => {
+        const results = markSelected(sections as any, '4074');
+        //@ts-ignore
+        expect(results[4].selected).toBe(true);
+      });
+
+      it('should mark all other sections as not selected', () => {
+        const results = markSelected(sections as any, 'Starred');
+        const newResults = markSelected(results as any, '0');
+        //@ts-ignore
+        expect(newResults[0].selected).toBeFalsy();
+        expect(newResults[5].selected).toBeTruthy();
+      });
+
+      it('should correctly mark an item of a section as selected', () => {
+        const results = markSelected(sections as any, '0-4072');
+        expect(results[5].items[1].selected).toBeTruthy();
+      });
+
+      it('should not mark an item as selected for non-expanded section', () => {
+        const results = markSelected(sections as any, 'Recent-4072');
+        expect(results[1].items[0].selected).toBeFalsy();
+      });
+
+      it('should mark all other items as not selected', () => {
+        const results = markSelected(sections as any, '0-4069');
+        const newResults = markSelected(results as any, '0-1');
+        //@ts-ignore
+        expect(newResults[5].items[0].selected).toBeFalsy();
+        expect(newResults[5].items[1].selected).toBeFalsy();
+        expect(newResults[5].items[2].selected).toBeTruthy();
+      });
+
+      it('should correctly select one of the same items in different sections', () => {
+        const results = markSelected(sections as any, 'Starred-1');
+        expect(results[0].items[0].selected).toBeTruthy();
+        // Same item in diff section
+        expect(results[5].items[2].selected).toBeFalsy();
+
+        // Switch order
+        const newResults = markSelected(sections as any, '0-1');
+        expect(newResults[0].items[0].selected).toBeFalsy();
+        // Same item in diff section
+        expect(newResults[5].items[2].selected).toBeTruthy();
+      });
+    });
+
+    describe('findSelected', () => {
+      it('should find selected section', () => {
+        const results = [...sections, { id: 'Test', selected: true }];
+
+        const found = findSelected(results);
+        expect(found.id).toEqual('Test');
+      });
+
+      it('should find selected item', () => {
+        const results = [{ expanded: true, id: 'Test', items: [{ id: 1 }, { id: 2, selected: true }, { id: 3 }] }];
+
+        const found = findSelected(results);
+        expect(found.id).toEqual(2);
+      });
+    });
+  });
+});

public/app/features/search/utils.ts

+import { DashboardSection, DashboardSectionItem } from './types';
+import { NO_ID_SECTIONS } from './constants';
+import { parse, SearchParserResult } from 'search-query-parser';
+
+/**
+ * Check if folder has id. Only Recent and Starred folders are the ones without
+ * ids so far, as they are created manually after results are fetched from API.
+ * @param str
+ */
+export const hasId = (str: string) => {
+  return !NO_ID_SECTIONS.includes(str);
+};
+
+/**
+ * Return ids for folders concatenated with their items ids, if section is expanded.
+ * For items the id format is '{folderId}-{itemId}' to allow mapping them to their folders
+ * @param sections
+ */
+export const getFlattenedSections = (sections: DashboardSection[]): string[] => {
+  return sections.flatMap(section => {
+    const id = hasId(section.title) ? String(section.id) : section.title;
+
+    if (section.expanded && section.items.length) {
+      return [id, ...section.items.map(item => `${id}-${item.id}`)];
+    }
+    return id;
+  });
+};
+
+/**
+ * Since Recent and Starred folders don't have id, title field is used as id
+ * @param title - title field of the section
+ */
+export const getLookupField = (title: string) => {
+  return hasId(title) ? 'id' : 'title';
+};
+
+/**
+ * Go through all the folders and items in expanded folders and toggle their selected
+ * prop according to currently selected index. Used for item highlighting when navigating
+ * the search results list using keyboard arrows
+ * @param sections
+ * @param selectedId
+ */
+export const markSelected = (sections: DashboardSection[], selectedId: string) => {
+  return sections.map((result: DashboardSection) => {
+    const lookupField = getLookupField(selectedId);
+    result = { ...result, selected: String(result[lookupField]) === selectedId };
+
+    if (result.expanded && result.items.length) {
+      return {
+        ...result,
+        items: result.items.map(item => {
+          const [sectionId, itemId] = selectedId.split('-');
+          const lookup = getLookupField(sectionId);
+          return { ...item, selected: String(item.id) === itemId && String(result[lookup]) === sectionId };
+        }),
+      };
+    }
+    return result;
+  });
+};
+
+/**
+ * Find items with property 'selected' set true in a list of folders and their items.
+ * Does recursive search in the items list.
+ * @param sections
+ */
+export const findSelected = (sections: any): DashboardSection | DashboardSectionItem | null => {
+  let found = null;
+  for (const section of sections) {
+    if (section.expanded && section.items.length) {
+      found = findSelected(section.items);
+    }
+    if (section.selected) {
+      found = section;
+    }
+    if (found) {
+      return found;
+    }
+  }
+
+  return null;
+};
+
+// TODO check if there are any use cases where query isn't a string
+export const parseQuery = (query: any) => {
+  const parsedQuery = parse(query, {
+    keywords: ['folder'],
+  });
+
+  if (typeof parsedQuery === 'string') {
+    return {
+      text: parsedQuery,
+    } as SearchParserResult;
+  }
+
+  return parsedQuery;
+};

public/app/types/search.ts

@@ -4,17 +4,17 @@ export enum DashboardSearchHitType {
   DashHitFolder = 'dash-folder',
 }
 export interface DashboardSearchHit {
+  folderId?: number;
+  folderTitle?: string;
+  folderUid?: string;
+  folderUrl?: string;
   id: number;
-  uid: string;
+  isStarred: boolean;
+  slug: string;
+  tags: string[];
   title: string;
+  type: DashboardSearchHitType;
+  uid: string;
   uri: string;
   url: string;
-  slug: string;
-  type: DashboardSearchHitType;
-  tags: string[];
-  isStarred: boolean;
-  folderId?: number;
-  folderUid?: string;
-  folderTitle?: string;
-  folderUrl?: string;
 }

public/views/index-template.html

@@ -212,7 +212,7 @@
     <grafana-app class="grafana-app" ng-cloak>
       <sidemenu class="sidemenu"></sidemenu>
       <app-notifications-list class="page-alert-list"></app-notifications-list>
-      <dashboard-search></dashboard-search>
+      <search-wrapper></search-wrapper>
 
       <div class="main-view">
 				<div ng-view class="scroll-canvas"></div>