hensei-web/components/JobDropdown/index.tsx

113 lines
3.1 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;