mirror of
https://github.com/array-in-a-matrix/xinny.git
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41f67cabc0
* add slate editor history * reset mark on editor reset
159 lines
4.1 KiB
TypeScript
159 lines
4.1 KiB
TypeScript
/* eslint-disable no-param-reassign */
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import React, {
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ClipboardEventHandler,
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KeyboardEventHandler,
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ReactNode,
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forwardRef,
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useCallback,
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useState,
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} from 'react';
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import { Box, Scroll, Text } from 'folds';
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import { Descendant, Editor, createEditor } from 'slate';
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import {
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Slate,
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Editable,
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withReact,
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RenderLeafProps,
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RenderElementProps,
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RenderPlaceholderProps,
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} from 'slate-react';
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import { withHistory } from 'slate-history';
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import { BlockType, RenderElement, RenderLeaf } from './Elements';
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import { CustomElement } from './slate';
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import * as css from './Editor.css';
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import { toggleKeyboardShortcut } from './keyboard';
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const initialValue: CustomElement[] = [
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{
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type: BlockType.Paragraph,
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children: [{ text: '' }],
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},
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];
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const withInline = (editor: Editor): Editor => {
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const { isInline } = editor;
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editor.isInline = (element) =>
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[BlockType.Mention, BlockType.Emoticon, BlockType.Link].includes(element.type) ||
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isInline(element);
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return editor;
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};
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const withVoid = (editor: Editor): Editor => {
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const { isVoid } = editor;
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editor.isVoid = (element) =>
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[BlockType.Mention, BlockType.Emoticon].includes(element.type) || isVoid(element);
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return editor;
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};
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export const useEditor = (): Editor => {
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const [editor] = useState(withInline(withVoid(withReact(withHistory(createEditor())))));
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return editor;
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};
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export type EditorChangeHandler = ((value: Descendant[]) => void) | undefined;
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type CustomEditorProps = {
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top?: ReactNode;
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bottom?: ReactNode;
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before?: ReactNode;
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after?: ReactNode;
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maxHeight?: string;
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editor: Editor;
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placeholder?: string;
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onKeyDown?: KeyboardEventHandler;
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onChange?: EditorChangeHandler;
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onPaste?: ClipboardEventHandler;
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};
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export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
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(
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{
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top,
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bottom,
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before,
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after,
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maxHeight = '50vh',
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editor,
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placeholder,
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onKeyDown,
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onChange,
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onPaste,
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},
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ref
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) => {
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const renderElement = useCallback(
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(props: RenderElementProps) => <RenderElement {...props} />,
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[]
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);
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const renderLeaf = useCallback((props: RenderLeafProps) => <RenderLeaf {...props} />, []);
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const handleKeydown: KeyboardEventHandler = useCallback(
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(evt) => {
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onKeyDown?.(evt);
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const shortcutToggled = toggleKeyboardShortcut(editor, evt);
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if (shortcutToggled) evt.preventDefault();
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},
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[editor, onKeyDown]
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);
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const renderPlaceholder = useCallback(({ attributes, children }: RenderPlaceholderProps) => {
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// drop style attribute as we use our custom placeholder css.
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const { style, ...props } = attributes;
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return (
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<Text
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as="span"
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{...props}
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className={css.EditorPlaceholder}
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contentEditable={false}
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truncate
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>
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{children}
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</Text>
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);
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}, []);
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return (
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<div className={css.Editor} ref={ref}>
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<Slate editor={editor} value={initialValue} onChange={onChange}>
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{top}
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<Box alignItems="Start">
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{before && (
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<Box className={css.EditorOptions} alignItems="Center" gap="100" shrink="No">
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{before}
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</Box>
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)}
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<Scroll
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className={css.EditorTextareaScroll}
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variant="SurfaceVariant"
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style={{ maxHeight }}
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size="300"
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visibility="Hover"
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hideTrack
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>
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<Editable
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className={css.EditorTextarea}
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placeholder={placeholder}
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renderPlaceholder={renderPlaceholder}
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renderElement={renderElement}
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renderLeaf={renderLeaf}
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onKeyDown={handleKeydown}
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onPaste={onPaste}
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/>
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</Scroll>
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{after && (
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<Box className={css.EditorOptions} alignItems="Center" gap="100" shrink="No">
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{after}
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</Box>
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)}
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</Box>
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{bottom}
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</Slate>
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</div>
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);
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}
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);
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