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.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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import React from 'react';
import HtmlEditor, { Toolbar, Item } from 'devextreme-react/html-editor';
import Popup from 'devextreme-react/popup';
import { markup } from './data.js';
const headerValues = [false, 1, 2, 3, 4, 5];
class App extends React.Component {
constructor() {
super();
this.state = {
value: markup,
popupVisible: false,
};
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() {
const { value, popupVisible } = this.state;
return (
<div className="widget-container">
<HtmlEditor
value={value}
onValueChanged={this.valueChanged}
>
<Toolbar>
<Item name="undo" />
<Item name="redo" />
<Item name="separator" />
<Item
name="header"
acceptedValues={headerValues}
/>
<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
widget="dxButton"
options={this.toolbarButtonOptions}
/>
</Toolbar>
</HtmlEditor>
<Popup
showTitle={true}
title="Markup"
visible={popupVisible}
onHiding={this.popupHiding}
>
{value}
</Popup>
</div>
);
}
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/22.2.3/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.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 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>strikethrough</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>Image upload: drag-and-drop images onto the form, select files from the file system, or specify a URL.</li>
<li>Copy-paste rich content (unsupported formats are removed)</li>
<li>Tables support</li>
</ul>
`;
window.config = {
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@22.2.3/cjs',
'devextreme-react': 'npm:devextreme-react@22.2.3',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.65/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.37/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat@7.4.11/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.7.1/standalone.js',
'prettier/parser-html': 'npm:prettier@2.7.1/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.11/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);