Help dialog with available hotkeys

ui/src/album/AlbumList.js

@@ -17,7 +17,7 @@ import { List, QuickFilter, Title, useAlbumsPerPage } from '../common'
 import AlbumListActions from './AlbumListActions'
 import AlbumListView from './AlbumListView'
 import AlbumGridView from './AlbumGridView'
-import AddToPlaylistDialog from '../dialogs/AddToPlaylistDialog'
+import { AddToPlaylistDialog } from '../dialogs'
 import albumLists, { defaultAlbumList } from './albumLists'
 
 const AlbumFilter = (props) => {

ui/src/album/AlbumSongs.js

@@ -20,7 +20,7 @@ import {
   SongDetails,
   SongTitleField,
 } from '../common'
-import AddToPlaylistDialog from '../dialogs/AddToPlaylistDialog'
+import { AddToPlaylistDialog } from '../dialogs'
 
 const useStyles = makeStyles(
   (theme) => ({

ui/src/artist/ArtistList.js

@@ -10,7 +10,7 @@ import {
 import { useMediaQuery, withWidth } from '@material-ui/core'
 import StarIcon from '@material-ui/icons/Star'
 import StarBorderIcon from '@material-ui/icons/StarBorder'
-import AddToPlaylistDialog from '../dialogs/AddToPlaylistDialog'
+import { AddToPlaylistDialog } from '../dialogs'
 import {
   ArtistContextMenu,
   List,

ui/src/dialogs/AboutDialog.js

@@ -1,13 +1,8 @@
 import React from 'react'
 import PropTypes from 'prop-types'
-import { withStyles } from '@material-ui/core/styles'
 import Link from '@material-ui/core/Link'
 import Dialog from '@material-ui/core/Dialog'
-import MuiDialogTitle from '@material-ui/core/DialogTitle'
-import MuiDialogContent from '@material-ui/core/DialogContent'
 import IconButton from '@material-ui/core/IconButton'
-import CloseIcon from '@material-ui/icons/Close'
-import Typography from '@material-ui/core/Typography'
 import TableContainer from '@material-ui/core/TableContainer'
 import Table from '@material-ui/core/Table'
 import TableBody from '@material-ui/core/TableBody'
@@ -18,19 +13,8 @@ import FavoriteBorderIcon from '@material-ui/icons/FavoriteBorder'
 import inflection from 'inflection'
 import { useTranslate } from 'react-admin'
 import config from '../config'
-
-const styles = (theme) => ({
-  root: {
-    margin: 0,
-    padding: theme.spacing(2),
-  },
-  closeButton: {
-    position: 'absolute',
-    right: theme.spacing(1),
-    top: theme.spacing(1),
-    color: theme.palette.grey[500],
-  },
-})
+import { DialogTitle } from './DialogTitle'
+import { DialogContent } from './DialogContent'
 
 const links = {
   homepage: 'navidrome.org',
@@ -41,30 +25,6 @@ const links = {
   featureRequests: 'github.com/deluan/navidrome/issues',
 }
 
-const DialogTitle = withStyles(styles)((props) => {
-  const { children, classes, onClose, ...other } = props
-  return (
-    <MuiDialogTitle disableTypography className={classes.root} {...other}>
-      <Typography variant="h5">{children}</Typography>
-      {onClose ? (
-        <IconButton
-          aria-label="close"
-          className={classes.closeButton}
-          onClick={onClose}
-        >
-          <CloseIcon />
-        </IconButton>
-      ) : null}
-    </MuiDialogTitle>
-  )
-})
-
-const DialogContent = withStyles((theme) => ({
-  root: {
-    padding: theme.spacing(2),
-  },
-}))(MuiDialogContent)
-
 const AboutDialog = ({ open, onClose }) => {
   const translate = useTranslate()
   return (
@@ -79,7 +39,7 @@ const AboutDialog = ({ open, onClose }) => {
       </DialogTitle>
       <DialogContent dividers>
         <TableContainer component={Paper}>
-          <Table aria-label="song details" size="small">
+          <Table aria-label={translate('menu.about')} size="small">
             <TableBody>
               <TableRow>
                 <TableCell align="right" component="th" scope="row">
@@ -143,4 +103,4 @@ AboutDialog.propTypes = {
   onClose: PropTypes.func.isRequired,
 }
 
-export default AboutDialog
+export { AboutDialog }

ui/src/dialogs/AddToPlaylistDialog.js

@@ -14,9 +14,9 @@ import {
   DialogTitle,
 } from '@material-ui/core'
 import { closeAddToPlaylist } from '../actions'
-import SelectPlaylistInput from './SelectPlaylistInput'
+import { SelectPlaylistInput } from './SelectPlaylistInput'
 
-const AddToPlaylistDialog = () => {
+export const AddToPlaylistDialog = () => {
   const { open, selectedIds, onSuccess } = useSelector(
     (state) => state.addToPlaylistDialog
   )
@@ -96,5 +96,3 @@ const AddToPlaylistDialog = () => {
     </Dialog>
   )
 }
-
-export default AddToPlaylistDialog

ui/src/dialogs/DialogContent.js

@@ -0,0 +1,8 @@
+import { withStyles } from '@material-ui/core/styles'
+import MuiDialogContent from '@material-ui/core/DialogContent'
+
+export const DialogContent = withStyles((theme) => ({
+  root: {
+    padding: theme.spacing(2),
+  },
+}))(MuiDialogContent)

ui/src/dialogs/DialogTitle.js

@@ -0,0 +1,35 @@
+import { withStyles } from '@material-ui/core/styles'
+import MuiDialogTitle from '@material-ui/core/DialogTitle'
+import Typography from '@material-ui/core/Typography'
+import IconButton from '@material-ui/core/IconButton'
+import CloseIcon from '@material-ui/icons/Close'
+import React from 'react'
+
+const styles = (theme) => ({
+  root: {
+    margin: 0,
+    padding: theme.spacing(2),
+  },
+  closeButton: {
+    position: 'absolute',
+    right: theme.spacing(1),
+    top: theme.spacing(1),
+    color: theme.palette.grey[500],
+  },
+})
+
+export const DialogTitle = withStyles(styles)((props) => {
+  const { children, classes, onClose, ...other } = props
+  return (
+    <MuiDialogTitle disableTypography className={classes.root} {...other}>
+      <Typography variant="h5">{children}</Typography>
+      <IconButton
+        aria-label="close"
+        className={classes.closeButton}
+        onClick={onClose}
+      >
+        <CloseIcon />
+      </IconButton>
+    </MuiDialogTitle>
+  )
+})

ui/src/dialogs/HelpDialog.js

@@ -0,0 +1,78 @@
+import React, { useCallback, useState } from 'react'
+import ReactDOM from 'react-dom'
+import { Dialog } from '@material-ui/core'
+import { getApplicationKeyMap, GlobalHotKeys } from 'react-hotkeys'
+import TableContainer from '@material-ui/core/TableContainer'
+import Paper from '@material-ui/core/Paper'
+import Table from '@material-ui/core/Table'
+import TableBody from '@material-ui/core/TableBody'
+import TableRow from '@material-ui/core/TableRow'
+import TableCell from '@material-ui/core/TableCell'
+import { useTranslate } from 'react-admin'
+import inflection from 'inflection'
+import { keyMap } from '../hotkeys'
+import { DialogTitle } from './DialogTitle'
+import { DialogContent } from './DialogContent'
+
+const HelpTable = (props) => {
+  const keyMap = getApplicationKeyMap()
+  const translate = useTranslate()
+  return ReactDOM.createPortal(
+    <Dialog {...props}>
+      <DialogTitle onClose={props.onClose}>
+        {translate('help.title')}
+      </DialogTitle>
+      <DialogContent dividers>
+        <TableContainer component={Paper}>
+          <Table size="small">
+            <TableBody>
+              {Object.keys(keyMap).map((key) => {
+                const { sequences, name } = keyMap[key]
+                const description = translate(`help.hotkeys.${name}`, {
+                  _: inflection.humanize(name),
+                })
+                return (
+                  <TableRow key={key}>
+                    <TableCell align="right" component="th" scope="row">
+                      {description}
+                    </TableCell>
+                    <TableCell align="left">
+                      {sequences.map(({ sequence }) => (
+                        <span key={sequence}>{sequence}</span>
+                      ))}
+                    </TableCell>
+                  </TableRow>
+                )
+              })}
+            </TableBody>
+          </Table>
+        </TableContainer>
+      </DialogContent>
+    </Dialog>,
+    document.body
+  )
+}
+
+export const HelpDialog = (props) => {
+  const [open, setOpen] = useState(false)
+
+  const handleClickClose = (e) => {
+    setOpen(false)
+    e.stopPropagation()
+  }
+
+  const handlers = {
+    SHOW_HELP: useCallback(() => setOpen(true), [setOpen]),
+  }
+
+  return (
+    <>
+      <GlobalHotKeys keyMap={keyMap} handlers={handlers} allowChanges />
+      <HelpTable
+        open={open}
+        onClose={handleClickClose}
+        onBackdropClick={handleClickClose}
+      />
+    </>
+  )
+}

ui/src/dialogs/SelectPlaylistInput.js

@@ -6,11 +6,11 @@ import Autocomplete, {
 } from '@material-ui/lab/Autocomplete'
 import { useGetList, useTranslate } from 'react-admin'
 import PropTypes from 'prop-types'
-import { isWritable } from '../common/Writable'
+import { isWritable } from '../common'
 
 const filter = createFilterOptions()
 
-const SelectPlaylistInput = ({ onChange }) => {
+export const SelectPlaylistInput = ({ onChange }) => {
   const translate = useTranslate()
   const { ids, data } = useGetList(
     'playlist',
@@ -94,5 +94,3 @@ const SelectPlaylistInput = ({ onChange }) => {
 SelectPlaylistInput.propTypes = {
   onChange: PropTypes.func.isRequired,
 }
-
-export default SelectPlaylistInput

ui/src/dialogs/index.js

@@ -0,0 +1,4 @@
+export * from './AboutDialog'
+export * from './AddToPlaylistDialog'
+export * from './SelectPlaylistInput'
+export * from './HelpDialog'

ui/src/hotkeys.js

@@ -1,12 +1,12 @@
 const keyMap = {
-  TOGGLE_MENU: { name: 'Toggle Menu Side Bar', sequence: 'm', group: 'Global' },
-
-  TOGGLE_PLAY: { name: 'Play / Pause', sequence: 'p', group: 'Player' },
-  PREV_SONG: { name: 'Previous Songs', sequence: 'left', group: 'Player' },
-  NEXT_SONG: { name: 'Next Song', sequence: 'right', group: 'Player' },
-  VOL_UP: { name: 'Volume Up', sequence: '=', group: 'Player' },
-  VOL_DOWN: { name: 'Volume Down', sequence: '-', group: 'Player' },
-  TOGGLE_STAR: { name: 'Toggle Star', sequence: 's', group: 'Player' },
+  SHOW_HELP: { name: 'show_help', sequence: 'shift+?', group: 'Global' },
+  TOGGLE_MENU: { name: 'toggle_menu', sequence: 'm', group: 'Global' },
+  TOGGLE_PLAY: { name: 'toggle_play', sequence: 'p', group: 'Player' },
+  PREV_SONG: { name: 'prev_song', sequence: 'left', group: 'Player' },
+  NEXT_SONG: { name: 'next_song', sequence: 'right', group: 'Player' },
+  VOL_UP: { name: 'vol_up', sequence: '=', group: 'Player' },
+  VOL_DOWN: { name: 'vol_down', sequence: '-', group: 'Player' },
+  TOGGLE_STAR: { name: 'toggle_star', sequence: 's', group: 'Player' },
 }
 
 export { keyMap }

ui/src/i18n/en.json

@@ -324,5 +324,18 @@
         "fullScan": "Full Scan",
         "serverUptime": "Server Uptime",
         "serverDown": "OFFLINE"
+    },
+    "help": {
+        "title": "Navidrome Hotkeys",
+        "hotkeys": {
+            "show_help": "Show This Help",
+            "toggle_menu": "Toggle Menu Side Bar",
+            "toggle_play": "Play / Pause",
+            "prev_song": "Previous Song",
+            "next_song": "Next Song",
+            "vol_up": "Volume Up",
+            "vol_down": "Volume Down",
+            "toggle_star": "Toggle Current Song's Star"
+        }
     }
 }

ui/src/layout/AppBar.js

@@ -10,7 +10,7 @@ import { useSelector } from 'react-redux'
 import { makeStyles, MenuItem, ListItemIcon, Divider } from '@material-ui/core'
 import ViewListIcon from '@material-ui/icons/ViewList'
 import InfoIcon from '@material-ui/icons/Info'
-import AboutDialog from './AboutDialog'
+import { AboutDialog } from '../dialogs'
 import PersonalMenu from './PersonalMenu'
 import ActivityPanel from './ActivityPanel'
 import UserMenu from './UserMenu'

ui/src/layout/Menu.js

@@ -9,6 +9,7 @@ import AlbumIcon from '@material-ui/icons/Album'
 import SubMenu from './SubMenu'
 import inflection from 'inflection'
 import albumLists from '../album/albumLists'
+import { HelpDialog } from '../dialogs'
 
 const translatedResourceName = (resource, translate) =>
   translate(`resources.${resource.name}.name`, {
@@ -108,6 +109,7 @@ const Menu = ({ onMenuClick, dense, logout }) => {
       </SubMenu>
       {resources.filter(subItems(undefined)).map(renderResourceMenuItemLink)}
       {isXsmall && logout}
+      <HelpDialog />
     </div>
   )
 }

ui/src/playlist/PlaylistSongs.js

@@ -21,7 +21,7 @@ import {
   SongDatagrid,
   SongTitleField,
 } from '../common'
-import AddToPlaylistDialog from '../dialogs/AddToPlaylistDialog'
+import { AddToPlaylistDialog } from '../dialogs'
 import { AlbumLinkField } from '../song/AlbumLinkField'
 import { playTracks } from '../actions'
 import PlaylistSongBulkActions from './PlaylistSongBulkActions'

ui/src/song/SongList.js

@@ -23,7 +23,7 @@ import { setTrack } from '../actions'
 import { SongBulkActions } from '../common'
 import { SongListActions } from './SongListActions'
 import { AlbumLinkField } from './AlbumLinkField'
-import AddToPlaylistDialog from '../dialogs/AddToPlaylistDialog'
+import { AddToPlaylistDialog } from '../dialogs'
 import { makeStyles } from '@material-ui/core/styles'
 import StarBorderIcon from '@material-ui/icons/StarBorder'