handmade-revolt/src/pages/channels/messaging/MessageEditor.tsx

99 lines
2.8 KiB
TypeScript

import styled from "styled-components";
import { useContext, useEffect, useState } from "preact/hooks";
import TextAreaAutoSize from "../../../lib/TextAreaAutoSize";
import { MessageObject } from "../../../context/revoltjs/util";
import { AppContext } from "../../../context/revoltjs/RevoltClient";
import { isTouchscreenDevice } from "../../../lib/isTouchscreenDevice";
import { IntermediateContext } from "../../../context/intermediate/Intermediate";
const EditorBase = styled.div`
display: flex;
flex-direction: column;
textarea {
resize: none;
padding: 12px;
border-radius: 3px;
white-space: pre-wrap;
background: var(--secondary-header);
}
.caption {
padding: 2px;
font-size: 11px;
color: var(--tertiary-foreground);
a {
cursor: pointer;
&:hover {
text-decoration: underline;
}
}
}
`;
interface Props {
message: MessageObject
finish: () => void
}
export default function MessageEditor({ message, finish }: Props) {
const [ content, setContent ] = useState(message.content as string ?? '');
const { focusTaken } = useContext(IntermediateContext);
const client = useContext(AppContext);
async function save() {
finish();
if (content.length === 0) {
// @ts-expect-error
openScreen({ id: 'special_prompt', type: 'delete_message', target: message });
} else if (content !== message.content) {
await client.channels.editMessage(
message.channel,
message._id,
{ content }
);
}
}
// ? Stop editing when pressing ESC.
useEffect(() => {
function keyUp(e: KeyboardEvent) {
if (e.key === "Escape" && !focusTaken) {
finish();
}
}
document.body.addEventListener("keyup", keyUp);
return () => document.body.removeEventListener("keyup", keyUp);
}, [focusTaken]);
return (
<EditorBase>
<TextAreaAutoSize
forceFocus
maxRows={3}
padding={12}
value={content}
maxLength={2000}
onChange={ev => setContent(ev.currentTarget.value)}
onKeyDown={e => {
if (
!e.shiftKey &&
e.key === "Enter" &&
!isTouchscreenDevice
) {
e.preventDefault();
save();
}
}}
/>
<span className="caption">
escape to <a onClick={finish}>cancel</a> &middot;
enter to <a onClick={save}>save</a>
</span>
</EditorBase>
)
}