hensei-web/components/JobDropdown/index.tsx

113 lines
3 KiB
TypeScript

import React, { useEffect, useState } from 'react'
import { useRouter } from 'next/router'
import { useSnapshot } from 'valtio'
import { appState } from '~utils/appState'
import { jobGroups } from '~utils/jobGroups'
import './index.scss'
// Props
interface Props {
currentJob?: string
onChange?: (job?: Job) => void
onBlur?: (event: React.ChangeEvent<HTMLSelectElement>) => void
}
type GroupedJob = { [key: string]: Job[] }
const JobDropdown = React.forwardRef<HTMLSelectElement, Props>(
function useFieldSet(props, ref) {
// Set up router for locale
const router = useRouter()
const locale = router.locale || 'en'
// Create snapshot of app state
const { party } = useSnapshot(appState)
// Set up local states for storing jobs
const [currentJob, setCurrentJob] = useState<Job>()
const [jobs, setJobs] = useState<Job[]>()
const [sortedJobs, setSortedJobs] = useState<GroupedJob>()
// Set current job from state on mount
useEffect(() => {
setCurrentJob(party.job)
}, [])
// Organize jobs into groups on mount
useEffect(() => {
const jobGroups = appState.jobs
.map((job) => job.row)
.filter((value, index, self) => self.indexOf(value) === index)
let groupedJobs: GroupedJob = {}
jobGroups.forEach((group) => {
groupedJobs[group] = appState.jobs.filter((job) => job.row === group)
})
setJobs(appState.jobs)
setSortedJobs(groupedJobs)
}, [appState])
// Set current job on mount
useEffect(() => {
if (jobs && props.currentJob) {
const job = appState.jobs.find((job) => job.id === props.currentJob)
setCurrentJob(job)
}
}, [appState, props.currentJob])
// Enable changing select value
function handleChange(event: React.ChangeEvent<HTMLSelectElement>) {
if (jobs) {
const job = jobs.find((job) => job.id === event.target.value)
if (props.onChange) props.onChange(job)
setCurrentJob(job)
}
}
// Render JSX for each job option, sorted into optgroups
function renderJobGroup(group: string) {
const options =
sortedJobs &&
sortedJobs[group].length > 0 &&
sortedJobs[group]
.sort((a, b) => a.order - b.order)
.map((item, i) => {
return (
<option key={i} value={item.id}>
{item.name[locale]}
</option>
)
})
const groupName = jobGroups.find((g) => g.slug === group)?.name[locale]
return (
<optgroup key={group} label={groupName}>
{options}
</optgroup>
)
}
return (
<select
key={currentJob ? currentJob.id : -1}
value={currentJob ? currentJob.id : -1}
onBlur={props.onBlur}
onChange={handleChange}
ref={ref}
>
<option key="no-job" value={-1}>
No class
</option>
{sortedJobs
? Object.keys(sortedJobs).map((x) => renderJobGroup(x))
: ''}
</select>
)
}
)
export default JobDropdown