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components/Combobox.tsx
+152
components/Combobox.tsx
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import { createContext, useContext, useEffect, useRef, useState } from "react";
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import * as Popover from "@radix-ui/react-popover";
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import { NestedCardThemeProvider } from "components/ThemeManager/ThemeProvider";
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import { create } from "zustand";
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export const useComboboxState = create(() => ({
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open: false,
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}));
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export const Combobox = ({
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results,
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onSelect,
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children,
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onOpenChange,
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highlighted,
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setHighlighted,
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trigger,
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triggerClassName,
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sideOffset,
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}: {
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children: React.ReactNode;
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trigger?: React.ReactNode;
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triggerClassName?: string;
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results: string[];
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onSelect?: () => void;
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onOpenChange?: (open: boolean) => void;
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highlighted: string | undefined;
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setHighlighted: (h: string | undefined) => void;
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sideOffset?: number;
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}) => {
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let ref = useRef<HTMLDivElement>(null);
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let open = useComboboxState((s) => s.open);
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useEffect(() => {
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if (!highlighted || !results.find((result) => result === highlighted))
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setHighlighted(results[0]);
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if (results.length === 1) {
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setHighlighted(results[0]);
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}
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}, [results, setHighlighted, highlighted]);
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useEffect(() => {
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let listener = async (e: KeyboardEvent) => {
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let reverseDir = ref.current?.dataset.side === "top";
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let currentHighlightIndex = results.findIndex(
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(result) => highlighted && result === highlighted,
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);
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if (reverseDir ? e.key === "ArrowUp" : e.key === "ArrowDown") {
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setHighlighted(
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results[
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currentHighlightIndex === results.length - 1 ||
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currentHighlightIndex === undefined
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? 0
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: currentHighlightIndex + 1
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],
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);
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return;
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}
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if (reverseDir ? e.key === "ArrowDown" : e.key === "ArrowUp") {
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setHighlighted(
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results[
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currentHighlightIndex === 0 ||
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currentHighlightIndex === undefined ||
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currentHighlightIndex === -1
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? results.length - 1
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: currentHighlightIndex - 1
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],
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);
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return;
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}
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// on enter, select the highlighted item
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if (e.key === "Enter") {
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onSelect?.();
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useComboboxState.setState({
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open: false,
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});
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}
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};
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window.addEventListener("keydown", listener);
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return () => window.removeEventListener("keydown", listener);
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}, [highlighted, setHighlighted, results]);
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return (
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<Popover.Root
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open={open}
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onOpenChange={(newOpen) => {
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useComboboxState.setState({
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open: newOpen,
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});
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onOpenChange?.(newOpen);
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}}
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>
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<Popover.Trigger asChild className={`${triggerClassName}`}>
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<div>{trigger}</div>
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</Popover.Trigger>
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<Popover.Portal>
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<Popover.Content
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align="start"
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sideOffset={sideOffset ? sideOffset : 16}
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collisionPadding={16}
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ref={ref}
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onOpenAutoFocus={(e) => e.preventDefault()}
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className={`
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commandMenuContent group/cmd-menu
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z-20 w-[264px]
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flex data-[side=top]:items-end items-start
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`}
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>
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<NestedCardThemeProvider>
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<div className="commandMenuResults w-full max-h-(--radix-popover-content-available-height) overflow-auto flex flex-col group-data-[side=top]/cmd-menu:flex-col-reverse bg-bg-page py-1 gap-0.5 border border-border rounded-md shadow-md">
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{children}
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</div>
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</NestedCardThemeProvider>
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</Popover.Content>
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</Popover.Portal>
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</Popover.Root>
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);
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};
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export const ComboboxResult = (props: {
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result: string;
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children: React.ReactNode;
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onSelect: () => void;
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highlighted: string | undefined;
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setHighlighted: (state: string | undefined) => void;
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className?: string;
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}) => {
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let isHighlighted = props.highlighted === props.result;
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return (
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<button
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className={`comboboxResult menuItem text-secondary font-normal! py-0.5! mx-1 ${props.className} ${isHighlighted && "bg-[var(--accent-light)]!"}`}
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onMouseOver={() => {
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props.setHighlighted(props.result);
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}}
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onMouseDown={(e) => {
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e.preventDefault();
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props.onSelect();
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useComboboxState.setState({
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open: false,
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});
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}}
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>
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<div className="truncate">{props.children}</div>
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</button>
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);
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};