import { debounce } from 'lodash'; import { useCallback, useMemo } from 'react'; import { SelectableValue } from '@grafana/data'; import PageActionBar, { FilterCheckbox } from 'app/core/components/PageActionBar/PageActionBar'; import { StoreState, useSelector, useDispatch } from 'app/types/store'; import { setDataSourcesSearchQuery, setIsSortAscending } from '../state/reducers'; import { getDataSourcesSearchQuery, getDataSourcesSort } from '../state/selectors'; import { trackDsSearched } from '../tracking'; const ascendingSortValue = 'alpha-asc'; const descendingSortValue = 'alpha-desc'; const sortOptions = [ // We use this unicode 'en dash' character (U+2013), because it looks nicer // than simple dash in this context. This is also used in the response of // the `sorting` endpoint, which is used in the search dashboard page. { label: 'Sort by A–Z', value: ascendingSortValue }, { label: 'Sort by Z–A', value: descendingSortValue }, ]; export interface DataSourcesListHeaderProps { filterCheckbox?: FilterCheckbox; } export function DataSourcesListHeader({ filterCheckbox }: DataSourcesListHeaderProps) { const dispatch = useDispatch(); const debouncedTrackSearch = useMemo( () => debounce((q) => { trackDsSearched({ query: q }); }, 300), [] ); const setSearchQuery = useCallback( (q: string) => { dispatch(setDataSourcesSearchQuery(q)); if (q) { debouncedTrackSearch(q); } }, [dispatch, debouncedTrackSearch] ); const searchQuery = useSelector(({ dataSources }: StoreState) => getDataSourcesSearchQuery(dataSources)); const setSort = useCallback( (sort: SelectableValue) => dispatch(setIsSortAscending(sort.value === ascendingSortValue)), [dispatch] ); const isSortAscending = useSelector(({ dataSources }: StoreState) => getDataSourcesSort(dataSources)); const sortPicker = { onChange: setSort, value: isSortAscending ? ascendingSortValue : descendingSortValue, getSortOptions: () => Promise.resolve(sortOptions), }; return ( <PageActionBar searchQuery={searchQuery} setSearchQuery={setSearchQuery} key="action-bar" sortPicker={sortPicker} filterCheckbox={filterCheckbox} /> ); }