Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
258 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| import "jspolyfill-array.prototype.findIndex"; | ||
| import isHotkey from "is-hotkey"; | ||
| import React, { FC, useCallback, useMemo, useRef, useState } from "react"; | ||
| import { Editable, withReact, useSlate, Slate } from "slate-react"; | ||
| import { Editor, createEditor, Node } from "slate"; | ||
| import { Meta } from "@storybook/react/types-6-0"; | ||
| import { RovingTabIndexProvider, useRovingTabIndex, useFocusEffect } from ".."; | ||
| import { Button } from "./button"; | ||
| import { Toolbar } from "./toolbar"; | ||
|
|
||
| // The code in this file largely comes from the rich text editor example in the Slate docs: | ||
| // https://github.com/ianstormtaylor/slate/blob/master/site/examples/richtext.tsx | ||
|
|
||
| const initialValue = [ | ||
| { | ||
| type: "paragraph", | ||
| children: [ | ||
| { text: "This is editable " }, | ||
| { text: "rich", bold: true }, | ||
| { text: " text, " }, | ||
| { text: "much", italic: true }, | ||
| { text: " better than a " }, | ||
| { text: "<textarea>", code: true }, | ||
| { text: "!" } | ||
| ] | ||
| } | ||
| ]; | ||
|
|
||
| const HOTKEYS = { | ||
| "mod+b": "bold", | ||
| "mod+i": "italic", | ||
| "mod+u": "underline", | ||
| "mod+`": "code" | ||
| }; | ||
|
|
||
| const Element = ({ attributes, children, element }) => { | ||
| switch (element.type) { | ||
| case "block-quote": | ||
| return <blockquote {...attributes}>{children}</blockquote>; | ||
| case "bulleted-list": | ||
| return <ul {...attributes}>{children}</ul>; | ||
| case "heading-one": | ||
| return <h1 {...attributes}>{children}</h1>; | ||
| case "heading-two": | ||
| return <h2 {...attributes}>{children}</h2>; | ||
| case "list-item": | ||
| return <li {...attributes}>{children}</li>; | ||
| case "numbered-list": | ||
| return <ol {...attributes}>{children}</ol>; | ||
| default: | ||
| return <p {...attributes}>{children}</p>; | ||
| } | ||
| }; | ||
|
|
||
| const Leaf = ({ attributes, children, leaf }) => { | ||
| if (leaf.bold) { | ||
| children = <strong>{children}</strong>; | ||
| } | ||
|
|
||
| if (leaf.code) { | ||
| children = <code>{children}</code>; | ||
| } | ||
|
|
||
| if (leaf.italic) { | ||
| children = <em>{children}</em>; | ||
| } | ||
|
|
||
| if (leaf.underline) { | ||
| children = <u>{children}</u>; | ||
| } | ||
|
|
||
| return <span {...attributes}>{children}</span>; | ||
| }; | ||
|
|
||
| const isMarkActive = (editor, format) => { | ||
| const marks = Editor.marks(editor); | ||
| return marks ? marks[format] === true : false; | ||
| }; | ||
|
|
||
| const toggleMark = (editor, format) => { | ||
| const isActive = isMarkActive(editor, format); | ||
|
|
||
| if (isActive) { | ||
| Editor.removeMark(editor, format); | ||
| } else { | ||
| Editor.addMark(editor, format, true); | ||
| } | ||
| }; | ||
|
|
||
| const MarkButton = ({ format, label }) => { | ||
| const editor = useSlate(); | ||
| return ( | ||
| <ToolbarButton | ||
| onMouseDown={(event) => { | ||
| event.preventDefault(); | ||
| toggleMark(editor, format); | ||
| }} | ||
| > | ||
| {label} | ||
| </ToolbarButton> | ||
| ); | ||
| }; | ||
|
|
||
| type ButtonClickHandler = ( | ||
| event: React.MouseEvent<HTMLButtonElement, MouseEvent> | ||
| ) => void; | ||
|
|
||
| const ToolbarButton: FC<{ | ||
| disabled?: boolean; | ||
| onClick?: ButtonClickHandler; | ||
| onMouseDown: (event: React.MouseEvent<HTMLButtonElement, MouseEvent>) => void; | ||
| }> = ({ disabled = false, children, onClick, onMouseDown }) => { | ||
| const ref = useRef<HTMLButtonElement>(null); | ||
| const [tabIndex, focused, handleKeyDown] = useRovingTabIndex(ref, disabled); | ||
|
|
||
| useFocusEffect(focused, ref); | ||
|
|
||
| return ( | ||
| <Button | ||
| ref={ref} | ||
| onKeyDown={handleKeyDown} | ||
| onMouseDown={(event) => { | ||
| onMouseDown(event); | ||
| }} | ||
| onClick={onClick} | ||
| tabIndex={tabIndex} | ||
| disabled={disabled} | ||
| > | ||
| {children} | ||
| </Button> | ||
| ); | ||
| }; | ||
|
|
||
| export const GridExample: FC = () => { | ||
| const [value, setValue] = useState<Node[]>(initialValue); | ||
| const renderElement = useCallback((props) => <Element {...props} />, []); | ||
| const renderLeaf = useCallback((props) => <Leaf {...props} />, []); | ||
| const editor = useMemo(() => withReact(createEditor()), []); | ||
|
|
||
| return ( | ||
| <Slate editor={editor} value={value} onChange={(value) => setValue(value)}> | ||
| <Toolbar role="toolbar"> | ||
| <RovingTabIndexProvider> | ||
| <MarkButton format="bold" label="Bold" /> | ||
| <MarkButton format="italic" label="Italic" /> | ||
| <MarkButton format="underline" label="Underline" /> | ||
| </RovingTabIndexProvider> | ||
| </Toolbar> | ||
| <Editable | ||
| renderElement={renderElement} | ||
| renderLeaf={renderLeaf} | ||
| placeholder="Enter some rich text…" | ||
| spellCheck | ||
| autoFocus | ||
| onKeyDown={(event) => { | ||
| for (const hotkey in HOTKEYS) { | ||
| // eslint-disable-next-line @typescript-eslint/no-explicit-any | ||
| if (isHotkey(hotkey, event as any)) { | ||
| event.preventDefault(); | ||
| const mark = HOTKEYS[hotkey]; | ||
| toggleMark(editor, mark); | ||
| } | ||
| } | ||
| }} | ||
| /> | ||
| </Slate> | ||
| ); | ||
| }; | ||
|
|
||
| export default { | ||
| title: "Text Editor RovingTabIndex", | ||
| component: GridExample | ||
| } as Meta; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters