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memos/web/src/components/MemoEditor/ActionButton/MarkdownMenu.tsx

94 lines
2.8 KiB
TypeScript

import { Dropdown, Menu, MenuButton, MenuItem, Link } from "@mui/joy";
import { Button } from "@usememos/mui";
import { CheckSquareIcon, Code2Icon, SquareSlashIcon } from "lucide-react";
import { EditorRefActions } from "../Editor";
interface Props {
editorRef: React.RefObject<EditorRefActions>;
}
const MarkdownMenu = (props: Props) => {
const { editorRef } = props;
const handleCodeBlockClick = () => {
if (!editorRef.current) {
return;
}
const cursorPosition = editorRef.current.getCursorPosition();
const prevValue = editorRef.current.getContent().slice(0, cursorPosition);
if (prevValue === "" || prevValue.endsWith("\n")) {
editorRef.current.insertText("", "```\n", "\n```");
} else {
editorRef.current.insertText("", "\n```\n", "\n```");
}
setTimeout(() => {
editorRef.current?.scrollToCursor();
editorRef.current?.focus();
});
};
const handleCheckboxClick = () => {
if (!editorRef.current) {
return;
}
const currentPosition = editorRef.current.getCursorPosition();
const currentLineNumber = editorRef.current.getCursorLineNumber();
const currentLine = editorRef.current.getLine(currentLineNumber);
let newLine = "";
let cursorChange = 0;
if (/^- \[( |x|X)\] /.test(currentLine)) {
newLine = currentLine.replace(/^- \[( |x|X)\] /, "");
cursorChange = -6;
} else if (/^\d+\. |- /.test(currentLine)) {
const match = currentLine.match(/^\d+\. |- /) ?? [""];
newLine = currentLine.replace(/^\d+\. |- /, "- [ ] ");
cursorChange = -match[0].length + 6;
} else {
newLine = "- [ ] " + currentLine;
cursorChange = 6;
}
editorRef.current.setLine(currentLineNumber, newLine);
editorRef.current.setCursorPosition(currentPosition + cursorChange);
setTimeout(() => {
editorRef.current?.scrollToCursor();
editorRef.current?.focus();
});
};
return (
<Dropdown>
<MenuButton
slots={{ root: Button }}
slotProps={{
root: {
size: "sm",
variant: "plain",
className: "px-2",
},
}}
>
<SquareSlashIcon className="w-5 h-5 mx-auto" />
</MenuButton>
<Menu className="text-sm" size="sm" placement="bottom-start">
<MenuItem onClick={handleCodeBlockClick}>
<Code2Icon className="w-4 h-auto" />
<span>Code block</span>
</MenuItem>
<MenuItem onClick={handleCheckboxClick}>
<CheckSquareIcon className="w-4 h-auto" />
<span>Checkbox</span>
</MenuItem>
<div className="-mt-0.5 pl-2">
<Link fontSize={12} href="https://www.usememos.com/docs/getting-started/content-syntax" target="_blank">
Content syntax
</Link>
</div>
</Menu>
</Dropdown>
);
};
export default MarkdownMenu;