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Diagram

Node and Edge Arrays

Documentation

This demo shows the Diagram widget's capability to load an external tree or a graph structure from two data sources: an array of shapes and an array of shape connectors. The connector is specified by the shape's ID attributes. The Diagram transforms information from the data sources into a tree layout view.

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import React from 'react'; import Diagram, { Nodes, Edges, AutoLayout, Toolbox, Group } from 'devextreme-react/diagram'; import ArrayStore from 'devextreme/data/array_store'; import service from './data.js'; class App extends React.Component { constructor(props) { super(props); this.orgItemsDataSource = new ArrayStore({ key: 'this', data: service.getOrgItems() }); this.orgLinksDataSource = new ArrayStore({ key: 'this', data: service.getOrgLinks() }); } render() { return ( <Diagram id="diagram"> <Nodes dataSource={this.orgItemsDataSource}> <AutoLayout type="tree" /> </Nodes> <Edges dataSource={this.orgLinksDataSource} /> <Toolbox> <Group category="general" title="General" /> </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/20.1.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.4/css/dx-diagram.min.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: 725px; }
var orgItems = [ { 'id': '106', 'text': 'Development', 'type': 'ellipse' }, { 'id': '107', 'text': 'WinForms\nTeam', 'type': 'ellipse' }, { 'id': '108', 'text': 'WPF\nTeam', 'type': 'ellipse' }, { 'id': '109', 'text': 'Javascript\nTeam', 'type': 'ellipse' }, { 'id': '110', 'text': 'ASP.NET\nTeam', 'type': 'ellipse' }, { 'id': '112', 'text': 'Ana\nTrujillo', 'type': 'rectangle' }, { 'id': '113', 'text': 'Antonio\nMoreno', 'type': 'rectangle' }, { 'id': '115', 'text': 'Christina\nBerglund', 'type': 'rectangle' }, { 'id': '116', 'text': 'Hanna\nMoos', 'type': 'rectangle' }, { 'id': '117', 'text': 'Frederique\nCiteaux', 'type': 'rectangle' }, { 'id': '119', 'text': 'Laurence\nLebihan', 'type': 'rectangle' }, { 'id': '120', 'text': 'Elizabeth\nLincoln', 'type': 'rectangle' }, { 'id': '122', 'text': 'Patricio\nSimpson', 'type': 'rectangle' }, { 'id': '123', 'text': 'Francisco\nChang', 'type': 'rectangle' } ]; var orgLinks = [ { 'id': '124', 'from': '106', 'to': '108', }, { 'id': '125', 'from': '106', 'to': '109', }, { 'id': '126', 'from': '106', 'to': '107', }, { 'id': '127', 'from': '106', 'to': '110', }, { 'id': '129', 'from': '110', 'to': '112', }, { 'id': '130', 'from': '110', 'to': '113', }, { 'id': '132', 'from': '107', 'to': '115', }, { 'id': '133', 'from': '107', 'to': '116', }, { 'id': '134', 'from': '107', 'to': '117', }, { 'id': '136', 'from': '108', 'to': '119', }, { 'id': '137', 'from': '108', 'to': '120', }, { 'id': '139', 'from': '109', 'to': '122', }, { 'id': '140', 'from': '109', 'to': '123', } ]; export default { getOrgItems() { return orgItems; }, getOrgLinks() { return orgLinks; } };
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', '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@1.0.5', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.3', // 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 } });