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Html Editor

Toolbar Customization

Documentation

This demo shows how to add a custom control to the toolbar. The Show markup button opens a popup that displays the HtmlEditor’s output markup.

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import React from 'react'; import { markup } from './data.js'; import HtmlEditor, { Toolbar, Item } from 'devextreme-react/html-editor'; import Popup from 'devextreme-react/popup'; class App extends React.Component { constructor() { super(); this.state = { value: markup, popupVisible: false }; this.headerValues = [false, 1, 2, 3, 4, 5]; this.toolbarButtonOptions = { text: 'Show markup', stylingMode: 'text', onClick: this.customButtonClick.bind(this) }; this.valueChanged = this.valueChanged.bind(this); this.popupHiding = this.popupHiding.bind(this); } render() { let { value, popupVisible } = this.state; return ( <React.Fragment> <div className={'widget-container'}> <HtmlEditor value={value} onValueChanged={this.valueChanged} > <Toolbar> <Item formatName={'undo'} /> <Item formatName={'redo'} /> <Item formatName={'separator'} /> <Item formatName={'header'} formatValues={this.headerValues} /> <Item formatName={'separator'} /> <Item formatName={'bold'} /> <Item formatName={'italic'} /> <Item formatName={'strike'} /> <Item formatName={'underline'} /> <Item formatName={'separator'} /> <Item formatName={'alignLeft'} /> <Item formatName={'alignCenter'} /> <Item formatName={'alignRight'} /> <Item formatName={'alignJustify'} /> <Item formatName={'separator'} /> <Item widget={'dxButton'} options={this.toolbarButtonOptions} /> </Toolbar> </HtmlEditor> <Popup showTitle={true} title={'Markup'} visible={popupVisible} onHiding={this.popupHiding} > {value} </Popup> </div> </React.Fragment> ); } valueChanged(e) { this.setState({ value: e.value }); } popupHiding() { this.setState({ popupVisible: false }); } customButtonClick() { this.setState({ popupVisible: true }); } } export default App;
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/19.1.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.4.1/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.js'); </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; }
export const markup = ` <h2> <img src="../../../../images/widgets/HtmlEditor.svg" alt="HtmlEditor"> Formatted Text Editor (HTML Editor) </h2> <br> <p>DevExtreme HTML5 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> <p>Supported features:</p> <ul> <li>Inline formats: <ul> <li><strong>Bold</strong>, <em>italic</em>, <s>underlined</s> text formatting</li> <li>Font, size, color changes (HTML only)</li> </ul> </li> <li>Block formats: <ul> <li>Headers</li> <li>Text alignment</li> <li>Lists (ordered and unordered)</li> <li>Code blocks</li> <li>Quotes</li> </ul> </li> <li>Custom formats</li> <li>HTML and Markdown support</li> <li>Mail-merge placeholders (for example, %username%)</li> <li>Adaptive toolbar for working images, links, and color formats</li> <li>Insert images as a link or base64 (drag-and-drop images to convert them to base64)</li> <li>Copy-paste rich content (unsupported formats are removed)</li> </ul> `;
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16/umd/react.development.js', 'react-dom': 'npm:react-dom@16/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'devextreme': 'npm:devextreme@19.1', 'devextreme-react': 'npm:devextreme-react@19.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.6/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, packages: { 'devextreme': { defaultExtension: 'js' }, 'devextreme-react': { main: 'index.js' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });