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import { useFileSystem } from "@/apis/hooks";
import { faFile, faFolder } from "@fortawesome/free-regular-svg-icons";
import { faReply } from "@fortawesome/free-solid-svg-icons";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import {
ChangeEvent,
FunctionComponent,
useEffect,
useMemo,
useRef,
useState,
} from "react";
import { Dropdown, DropdownProps, Form, Spinner } from "react-bootstrap";
const backKey = "--back--";
function getLastSeparator(path: string): number {
let idx = path.lastIndexOf("/");
if (idx === -1) {
idx = path.lastIndexOf("\\");
}
return idx;
}
function extractPath(raw: string) {
if (raw.endsWith("/") || raw.endsWith("\\")) {
return raw;
} else {
const idx = getLastSeparator(raw);
return raw.slice(0, idx + 1);
}
}
export interface FileBrowserProps {
defaultValue?: string;
type: "sonarr" | "radarr" | "bazarr";
onChange?: (path: string) => void;
drop?: DropdownProps["drop"];
}
export const FileBrowser: FunctionComponent<FileBrowserProps> = ({
defaultValue,
type,
onChange,
drop,
}) => {
const [show, canShow] = useState(false);
const [text, setText] = useState(defaultValue ?? "");
const [path, setPath] = useState(() => extractPath(text));
const { data: tree, isFetching } = useFileSystem(type, path, show);
const filter = useMemo(() => {
const idx = getLastSeparator(text);
return text.slice(idx + 1);
}, [text]);
const previous = useMemo(() => {
const idx = getLastSeparator(path.slice(0, -1));
return path.slice(0, idx + 1);
}, [path]);
const requestItems = () => {
if (isFetching) {
return (
<Dropdown.Item>
<Spinner size="sm" animation="border"></Spinner>
</Dropdown.Item>
);
}
const elements = [];
if (tree) {
elements.push(
...tree
.filter((v) => v.name.startsWith(filter))
.map((v) => (
<Dropdown.Item eventKey={v.path} key={v.name}>
<FontAwesomeIcon
icon={v.children ? faFolder : faFile}
className="mr-2"
></FontAwesomeIcon>
<span>{v.name}</span>
</Dropdown.Item>
))
);
}
if (elements.length === 0) {
elements.push(<Dropdown.Header key="no-files">No Files</Dropdown.Header>);
}
if (previous.length !== 0) {
return [
<Dropdown.Item eventKey={backKey} key="back">
<FontAwesomeIcon icon={faReply} className="mr-2"></FontAwesomeIcon>
<span>Back</span>
</Dropdown.Item>,
<Dropdown.Divider key="back-divider"></Dropdown.Divider>,
...elements,
];
} else {
return elements;
}
};
useEffect(() => {
if (text === path) {
return;
}
const newPath = extractPath(text);
if (newPath !== path) {
setPath(newPath);
onChange && onChange(newPath);
}
}, [path, text, onChange]);
const input = useRef<HTMLInputElement>(null);
return (
<Dropdown
show={show}
drop={drop}
onSelect={(key) => {
if (!key) {
return;
}
if (key !== backKey) {
setText(key);
} else {
setText(previous);
}
input.current?.focus();
}}
onToggle={(open, _, meta) => {
if (!open && meta.source !== "select") {
canShow(false);
} else if (open) {
canShow(true);
}
}}
>
<Dropdown.Toggle
as={Form.Control}
placeholder="Click to start"
type="text"
value={text}
onChange={(e: ChangeEvent<HTMLInputElement>) => {
setText(e.currentTarget.value);
}}
ref={input}
></Dropdown.Toggle>
<Dropdown.Menu
className="w-100"
style={{ maxHeight: 256, overflowY: "auto" }}
>
{requestItems()}
</Dropdown.Menu>
</Dropdown>
);
};
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