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| 1 | +import { useEffect, useState } from 'react'; |
| 2 | +import { Table, Thead, Tr, Th, Tbody, Td } from '@patternfly/react-table'; |
| 3 | + |
| 4 | +interface Repository { |
| 5 | + name: string; |
| 6 | + branches: string; |
| 7 | + prs: string; |
| 8 | + workspaces: string; |
| 9 | + lastCommit: string; |
| 10 | +} |
| 11 | + |
| 12 | +export const TableSelectableIndeterminate: React.FunctionComponent = () => { |
| 13 | + // In real usage, this data would come from some external source like an API via props. |
| 14 | + const repositories: Repository[] = [ |
| 15 | + { name: 'one', branches: 'two', prs: 'a', workspaces: 'four', lastCommit: 'five' }, |
| 16 | + { name: 'a', branches: 'two', prs: 'k', workspaces: 'four', lastCommit: 'five' }, |
| 17 | + { name: 'b', branches: 'two', prs: 'k', workspaces: 'four', lastCommit: 'five' }, |
| 18 | + { name: 'c', branches: 'two', prs: 'k', workspaces: 'four', lastCommit: 'five' }, |
| 19 | + { name: 'd', branches: 'two', prs: 'k', workspaces: 'four', lastCommit: 'five' }, |
| 20 | + { name: 'e', branches: 'two', prs: 'b', workspaces: 'four', lastCommit: 'five' } |
| 21 | + ]; |
| 22 | + |
| 23 | + const columnNames = { |
| 24 | + name: 'Repositories', |
| 25 | + branches: 'Branches', |
| 26 | + prs: 'Pull requests', |
| 27 | + workspaces: 'Workspaces', |
| 28 | + lastCommit: 'Last commit' |
| 29 | + }; |
| 30 | + |
| 31 | + const isRepoSelectable = (repo: Repository) => repo.name !== 'a'; // Arbitrary logic for this example |
| 32 | + const selectableRepos = repositories.filter(isRepoSelectable); |
| 33 | + |
| 34 | + // In this example, selected rows are tracked by the repo names from each row. This could be any unique identifier. |
| 35 | + // This is to prevent state from being based on row order index in case we later add sorting. |
| 36 | + const [selectedRepoNames, setSelectedRepoNames] = useState<string[]>([]); |
| 37 | + const setRepoSelected = (repo: Repository, isSelecting = true) => |
| 38 | + setSelectedRepoNames((prevSelected) => { |
| 39 | + const otherSelectedRepoNames = prevSelected.filter((r) => r !== repo.name); |
| 40 | + return isSelecting && isRepoSelectable(repo) ? [...otherSelectedRepoNames, repo.name] : otherSelectedRepoNames; |
| 41 | + }); |
| 42 | + const selectAllRepos = (isSelecting = true) => |
| 43 | + setSelectedRepoNames(isSelecting ? selectableRepos.map((r) => r.name) : []); |
| 44 | + const areAllReposSelected = selectedRepoNames.length === selectableRepos.length; |
| 45 | + const areSomeReposSelected = selectedRepoNames.length > 0 && selectedRepoNames.length < selectableRepos.length; |
| 46 | + const isRepoSelected = (repo: Repository) => selectedRepoNames.includes(repo.name); |
| 47 | + |
| 48 | + // To allow shift+click to select/deselect multiple rows |
| 49 | + const [recentSelectedRowIndex, setRecentSelectedRowIndex] = useState<number | null>(null); |
| 50 | + const [shifting, setShifting] = useState(false); |
| 51 | + |
| 52 | + const onSelectRepo = (repo: Repository, rowIndex: number, isSelecting: boolean) => { |
| 53 | + // If the user is shift + selecting the checkboxes, then all intermediate checkboxes should be selected |
| 54 | + if (shifting && recentSelectedRowIndex !== null) { |
| 55 | + const numberSelected = rowIndex - recentSelectedRowIndex; |
| 56 | + const intermediateIndexes = |
| 57 | + numberSelected > 0 |
| 58 | + ? Array.from(new Array(numberSelected + 1), (_x, i) => i + recentSelectedRowIndex) |
| 59 | + : Array.from(new Array(Math.abs(numberSelected) + 1), (_x, i) => i + rowIndex); |
| 60 | + intermediateIndexes.forEach((index) => setRepoSelected(repositories[index], isSelecting)); |
| 61 | + } else { |
| 62 | + setRepoSelected(repo, isSelecting); |
| 63 | + } |
| 64 | + setRecentSelectedRowIndex(rowIndex); |
| 65 | + }; |
| 66 | + |
| 67 | + useEffect(() => { |
| 68 | + const onKeyDown = (e: KeyboardEvent) => { |
| 69 | + if (e.key === 'Shift') { |
| 70 | + setShifting(true); |
| 71 | + } |
| 72 | + }; |
| 73 | + const onKeyUp = (e: KeyboardEvent) => { |
| 74 | + if (e.key === 'Shift') { |
| 75 | + setShifting(false); |
| 76 | + } |
| 77 | + }; |
| 78 | + |
| 79 | + document.addEventListener('keydown', onKeyDown); |
| 80 | + document.addEventListener('keyup', onKeyUp); |
| 81 | + |
| 82 | + return () => { |
| 83 | + document.removeEventListener('keydown', onKeyDown); |
| 84 | + document.removeEventListener('keyup', onKeyUp); |
| 85 | + }; |
| 86 | + }, []); |
| 87 | + |
| 88 | + return ( |
| 89 | + <Table aria-label="Selectable table with indeterminate state"> |
| 90 | + <Thead> |
| 91 | + <Tr> |
| 92 | + <Th |
| 93 | + select={{ |
| 94 | + onSelect: (_event, isSelecting) => selectAllRepos(isSelecting), |
| 95 | + isSelected: areAllReposSelected, |
| 96 | + isIndeterminate: areSomeReposSelected |
| 97 | + }} |
| 98 | + aria-label="Row select" |
| 99 | + /> |
| 100 | + <Th>{columnNames.name}</Th> |
| 101 | + <Th>{columnNames.branches}</Th> |
| 102 | + <Th>{columnNames.prs}</Th> |
| 103 | + <Th>{columnNames.workspaces}</Th> |
| 104 | + <Th>{columnNames.lastCommit}</Th> |
| 105 | + </Tr> |
| 106 | + </Thead> |
| 107 | + <Tbody> |
| 108 | + {repositories.map((repo, rowIndex) => ( |
| 109 | + <Tr key={repo.name}> |
| 110 | + <Td |
| 111 | + select={{ |
| 112 | + rowIndex, |
| 113 | + onSelect: (_event, isSelecting) => onSelectRepo(repo, rowIndex, isSelecting), |
| 114 | + isSelected: isRepoSelected(repo), |
| 115 | + isDisabled: !isRepoSelectable(repo) |
| 116 | + }} |
| 117 | + /> |
| 118 | + <Td dataLabel={columnNames.name}>{repo.name}</Td> |
| 119 | + <Td dataLabel={columnNames.branches}>{repo.branches}</Td> |
| 120 | + <Td dataLabel={columnNames.prs}>{repo.prs}</Td> |
| 121 | + <Td dataLabel={columnNames.workspaces}>{repo.workspaces}</Td> |
| 122 | + <Td dataLabel={columnNames.lastCommit}>{repo.lastCommit}</Td> |
| 123 | + </Tr> |
| 124 | + ))} |
| 125 | + </Tbody> |
| 126 | + </Table> |
| 127 | + ); |
| 128 | +}; |
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