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Html Editor

Overview

Documentation

The HtmlEditor widget is a client-side WYSIWYG text editor. The editor allows users to format text and integrate media elements into documents. The result can be exported to HTML or Markdown.

Users can edit and customize content using the toolbar that can contain predefined and custom controls. To specify the available controls, use the items array. In this demo, the toolbar contains predefined controls.

You can use the toolbar.multiline property to arrange the toolbar controls into multiple rows.

Users can resize media files when the mediaResizing is enabled. Currently, only images are supported.

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import React from 'react'; import HTMLReactParser from 'html-react-parser'; import { markup } from './data.js'; import HtmlEditor, { Toolbar, MediaResizing, Item } from 'devextreme-react/html-editor'; import CheckBox from 'devextreme-react/check-box'; class App extends React.Component { constructor() { super(); this.state = { isMultiline: true }; this.sizeValues = ['8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt']; this.fontValues = ['Arial', 'Courier New', 'Georgia', 'Impact', 'Lucida Console', 'Tahoma', 'Times New Roman', 'Verdana']; this.headerValues = [false, 1, 2, 3, 4, 5]; this.enabled = { enabled: true }; } render() { return ( <React.Fragment> <div className="widget-container"> <HtmlEditor height="550px"> <MediaResizing enabled={true} /> <Toolbar multiline={this.state.isMultiline}> <Item formatName="undo" /> <Item formatName="redo" /> <Item formatName="separator" /> <Item formatName="size" formatValues={this.sizeValues} /> <Item formatName="font" formatValues={this.fontValues} /> <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 formatName="orderedList" /> <Item formatName="bulletList" /> <Item formatName="separator" /> <Item formatName="header" formatValues={this.headerValues} /> <Item formatName="separator" /> <Item formatName="color" /> <Item formatName="background" /> <Item formatName="separator" /> <Item formatName="link" /> <Item formatName="image" /> <Item formatName="separator" /> <Item formatName="clear" /> <Item formatName="codeBlock" /> <Item formatName="blockquote" /> </Toolbar> {HTMLReactParser(markup)} </HtmlEditor> <div className="options"> <div className="caption">Options</div> <div className="option"> <CheckBox text="Multiline toolbar" value={this.state.isMultiline} onValueChanged={this.multilineChanged} /> </div> </div> </div> </React.Fragment> ); } multilineChanged = (e) => { this.setState({ isMultiline: e.value }); } } 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/20.1.6/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.6/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; } .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 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', meta: { }, 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', 'html-react-parser': 'npm:html-react-parser@latest/dist/html-react-parser.min.js', 'devextreme': 'npm:devextreme@20.1', 'devextreme-react': 'npm:devextreme-react@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.9', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.7', // 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' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, babelOptions: { sourceMaps: false, stage0: true, react: true } });