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Diagram

UI Customization

Documentation

The following options allow you to customize the Diagram widget's UI elements:

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import React from 'react'; import Diagram, { ContextMenu, ContextToolbox, PropertiesPanel, Group, Tab, HistoryToolbar, ViewToolbar, MainToolbar, Command, Toolbox } from 'devextreme-react/diagram'; import dialog from 'devextreme/ui/dialog'; import 'whatwg-fetch'; class App extends React.Component { constructor(props) { super(props); this.diagramRef = React.createRef(); } onCustomCommand(e) { if(e.name === 'clear') { var result = dialog.confirm('Are you sure you want to clear the diagram? This action cannot be undone.', 'Warning'); result.then( function(dialogResult) { if(dialogResult) { e.component.import(''); } } ); } } componentDidMount() { var diagram = this.diagramRef.current.instance; fetch('../../../../data/diagram-flow.json') .then(function(response) { return response.json(); }) .then(function(json) { diagram.import(JSON.stringify(json)); }) .catch(function() { throw 'Data Loading Error'; }); } render() { return ( <Diagram id="diagram" ref={this.diagramRef} onCustomCommand={this.onCustomCommand}> <ContextMenu enabled={true} commands={['bringToFront', 'sendToBack', 'lock', 'unlock']} /> <ContextToolbox enabled={true} category="flowchart" shapeIconsPerRow={5} width={200} /> <PropertiesPanel visibility="visible"> <Tab> <Group title="Page Properties" commands={['pageSize', 'pageOrientation', 'pageColor']} /> </Tab> </PropertiesPanel> <HistoryToolbar visible={false} /> <ViewToolbar visible={true} /> <MainToolbar visible={true}> <Command name="undo" /> <Command name="redo" /> <Command name="separator" /> <Command name="fontName" /> <Command name="fontSize" /> <Command name="separator" /> <Command name="bold" /> <Command name="italic" /> <Command name="underline" /> <Command name="separator" /> <Command name="fontColor" /> <Command name="lineColor" /> <Command name="fillColor" /> <Command name="separator" /> <Command name="clear" icon="clearsquare" text="Clear Diagram" /> </MainToolbar> <Toolbox visibility="visible" showSearch={false} shapeIconsPerRow={4} width={220}> <Group category="general" title="General" /> <Group category="flowchart" title="Flowchart" expanded={true} /> </Toolbox> </Diagram> ); } } 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/20.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx-diagram.css" /> <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.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>
#diagram { height: 900px; }
System.config({ transpiler: 'plugin-babel', meta: { }, paths: { 'npm:': 'https://unpkg.com/' }, defaultExtension: 'js', map: { 'react': 'npm:react@16.14.0/umd/react.development.js', 'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js', 'prop-types': 'npm:prop-types@15.7.2/prop-types.js', 'whatwg-fetch': 'npm:whatwg-fetch@2.0.4/fetch.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.4', 'devextreme-react': 'npm:devextreme-react@20.2.4', 'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.5/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.8/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.7/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.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' }, 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' } }, babelOptions: { sourceMaps: false, stage0: true, react: true } });