Output Formats - React Html Editor (2024)

TS JS

Backend API

import React, { useCallback, useState } from 'react';import HtmlEditor, { Toolbar, Item } from 'devextreme-react/html-editor';import ButtonGroup, { Item as ButtonItem } from 'devextreme-react/button-group';import prettier from 'prettier/standalone';import parserHtml from 'prettier/parser-html';import { markup } from './data.ts';import 'devextreme/ui/html_editor/converters/markdown';const sizeValues = ['8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt'];const fontValues = ['Arial', 'Courier New', 'Georgia', 'Impact', 'Lucida Console', 'Tahoma', 'Times New Roman', 'Verdana'];const defaultSelectedItemKeys = ['Html'];const fontSizeOptions = { inputAttr: { 'aria-label': 'Font size', },};const fontFamilyOptions = { inputAttr: { 'aria-label': 'Font family', },};export default function App() { const [valueContent, setValueContent] = useState(markup); const [editorValueType, setEditorValueType] = useState<'html' | 'markdown'>('html'); const valueChanged = useCallback((e: { value?: string; }) => { setValueContent(e.value); }, [setValueContent]); const valueTypeChanged = useCallback((e: { addedItems: { text: string; }[]; }) => { const newEditorValue = e.addedItems[0].text.toLowerCase() as 'html' | 'markdown'; setEditorValueType(newEditorValue); }, [setEditorValueType]); const prettierFormat = useCallback((text) => { if (editorValueType === 'html') { return prettier.format(text, { parser: 'html', plugins: [parserHtml], }); } return text; }, [editorValueType]); return ( <div className="widget-container"> <HtmlEditor height={300} defaultValue={valueContent} valueType={editorValueType} onValueChanged={valueChanged} > <Toolbar> <Item name="undo" /> <Item name="redo" /> <Item name="separator" /> <Item name="size" acceptedValues={sizeValues} options={fontSizeOptions} /> <Item name="font" acceptedValues={fontValues} options={fontFamilyOptions} /> <Item name="separator" /> <Item name="bold" /> <Item name="italic" /> <Item name="strike" /> <Item name="underline" /> <Item name="separator" /> <Item name="alignLeft" /> <Item name="alignCenter" /> <Item name="alignRight" /> <Item name="alignJustify" /> <Item name="separator" /> <Item name="color" /> <Item name="background" /> </Toolbar> </HtmlEditor> <div className="options"> <ButtonGroup onSelectionChanged={valueTypeChanged} defaultSelectedItemKeys={defaultSelectedItemKeys} > <ButtonItem text="Html" /> <ButtonItem text="Markdown" /> </ButtonGroup> <div className="value-content" tabIndex={0}> {prettierFormat(valueContent)} </div> </div> </div> );}

import React, { useCallback, useState } from 'react';import HtmlEditor, { Toolbar, Item } from 'devextreme-react/html-editor';import ButtonGroup, { Item as ButtonItem } from 'devextreme-react/button-group';import prettier from 'prettier/standalone';import parserHtml from 'prettier/parser-html';import { markup } from './data.js';import 'devextreme/ui/html_editor/converters/markdown';const sizeValues = ['8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt'];const fontValues = [ 'Arial', 'Courier New', 'Georgia', 'Impact', 'Lucida Console', 'Tahoma', 'Times New Roman', 'Verdana',];const defaultSelectedItemKeys = ['Html'];const fontSizeOptions = { inputAttr: { 'aria-label': 'Font size', },};const fontFamilyOptions = { inputAttr: { 'aria-label': 'Font family', },};export default function App() { const [valueContent, setValueContent] = useState(markup); const [editorValueType, setEditorValueType] = useState('html'); const valueChanged = useCallback( (e) => { setValueContent(e.value); }, [setValueContent], ); const valueTypeChanged = useCallback( (e) => { const newEditorValue = e.addedItems[0].text.toLowerCase(); setEditorValueType(newEditorValue); }, [setEditorValueType], ); const prettierFormat = useCallback( (text) => { if (editorValueType === 'html') { return prettier.format(text, { parser: 'html', plugins: [parserHtml], }); } return text; }, [editorValueType], ); return ( <div className="widget-container"> <HtmlEditor height={300} defaultValue={valueContent} valueType={editorValueType} onValueChanged={valueChanged} > <Toolbar> <Item name="undo" /> <Item name="redo" /> <Item name="separator" /> <Item name="size" acceptedValues={sizeValues} options={fontSizeOptions} /> <Item name="font" acceptedValues={fontValues} options={fontFamilyOptions} /> <Item name="separator" /> <Item name="bold" /> <Item name="italic" /> <Item name="strike" /> <Item name="underline" /> <Item name="separator" /> <Item name="alignLeft" /> <Item name="alignCenter" /> <Item name="alignRight" /> <Item name="alignJustify" /> <Item name="separator" /> <Item name="color" /> <Item name="background" /> </Toolbar> </HtmlEditor> <div className="options"> <ButtonGroup onSelectionChanged={valueTypeChanged} defaultSelectedItemKeys={defaultSelectedItemKeys} > <ButtonItem text="Html" /> <ButtonItem text="Markdown" /> </ButtonGroup> <div className="value-content" tabIndex={0} > {prettierFormat(valueContent)} </div> </div> </div> );}

import React from 'react';import ReactDOM from 'react-dom';import App from './App.tsx';ReactDOM.render( <App />, document.getElementById('app'),);

export const markup = '<h2><img src="../../../../images/widgets/HtmlEditor.svg" alt="HtmlEditor"> Formatted Text Editor (HTML Editor)</h2><p><br></p><p>DevExtreme JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format textual and visual content and store it as HTML or Markdown.</p>';

import React from 'react';import ReactDOM from 'react-dom';import App from './App.js';ReactDOM.render(<App />, document.getElementById('app'));

<!DOCTYPE html><html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.2.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body></html>

.dx-htmleditor-content img { vertical-align: middle; padding-right: 10px;}.value-content { margin-top: 20px; overflow: auto; height: 110px; width: 100%; white-space: pre-wrap;}.options { margin-top: 20px; padding: 20px; background-color: rgba(191, 191, 191, 0.15); box-sizing: border-box; width: 100%;}