Add time locale selection

app/src/components/SettingsDrawer/TimeLocale.tsx

@@ -0,0 +1,79 @@
+import * as React from 'react'
+import DateFormatter from '../helper/DateFormatter'
+import { AppState } from '../../reducers'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import {
+  Input,
+  InputLabel,
+  MenuItem,
+  Select,
+  StyleRulesCallback
+  } from '@material-ui/core'
+import { settingsActions } from '../../actions'
+import { withStyles } from '@material-ui/styles'
+const moment = require('moment/min/moment-with-locales')
+
+interface Props {
+  actions: {
+    settings: typeof settingsActions
+  },
+  timeLocale: string
+  classes: any
+}
+
+function TimeLocaleSettings(props: Props) {
+  const { classes, timeLocale, actions } = props
+  const locales = moment.locales()
+  const date = new Date()
+  const localeMenuItems = locales.map((l: string) => (
+    <MenuItem key={l} value={l}>
+      <div>Locale: <b>{l}</b>, Format: <b><DateFormatter date={date} overrideLocale={l} /></b></div>
+    </MenuItem>
+  ))
+
+  return (
+    <div style={{ padding: '8px', display: 'flex' }}>
+      <InputLabel htmlFor="time-locale" style={{ flex: '1', marginTop: '8px' }}>Time Locale</InputLabel>
+      <Select
+          value={timeLocale}
+          onChange={e => actions.settings.setTimeLocale(e.target.value)}
+          input={<Input name="time-locale" id="time-locale-label-placeholder" />}
+          name="time-locale"
+          className={classes.input}
+          renderValue={(v) => <span>{v}</span>}
+          style={{ flex: '1' }}
+      >
+        {localeMenuItems}
+      </Select>
+    </div>
+  )
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    timeLocale: state.settings.get('timeLocale'),
+  }
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      settings: bindActionCreators(settingsActions, dispatch),
+    },
+  }
+}
+
+const styles: StyleRulesCallback = theme => ({
+  input: {
+    minWidth: '150px',
+    margin: `auto ${theme.spacing(1)} auto ${theme.spacing(2)}px`,
+  },
+  selected: {
+    '& div': {
+      display: 'none'
+    }
+  }
+})
+
+export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(TimeLocaleSettings))