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Diagram

Node and Edge Arrays

Documentation

Note that the Diagram widget is in the community technology preview (CTP) development stage.

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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<dx-diagram #diagram id="diagram"> <dxo-nodes [dataSource]="orgItemsDataSource" keyExpr="ID" textExpr="Text" typeExpr="Type"></dxo-nodes> <dxo-edges [dataSource]="orgLinksDataSource" keyExpr="ID" fromExpr="From" toExpr="To"></dxo-edges> <dxo-toolbox> <dxi-group category="general" title="General"></dxi-group> </dxo-toolbox> </dx-diagram>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { HttpClient, HttpClientModule } from '@angular/common/http'; import { DxDiagramModule, DxDiagramComponent } from 'devextreme-angular'; import { Service } from './app.service'; import ArrayStore from 'devextreme/data/array_store' if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service], preserveWhitespaces: true }) export class AppComponent { orgItemsDataSource: ArrayStore; orgLinksDataSource: ArrayStore; constructor(service: Service) { this.orgItemsDataSource = new ArrayStore({ key: "this", data: service.getOrgItems() }); this.orgLinksDataSource = new ArrayStore({ key: "this", data: service.getOrgLinks() }); } } @NgModule({ imports: [ BrowserModule, HttpClientModule, DxDiagramModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #diagram { height: 725px; }
import { Injectable } from '@angular/core'; export class OrgItem { ID: string; Text: string; Type: string; } export class OrgLink { ID: string; From: string; To: string; } let orgItems: OrgItem[] = [ { "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: OrgLink[] = [ { "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", } ]; @Injectable() export class Service { getOrgItems() { return orgItems; } getOrgLinks() { return orgLinks; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // https://github.com/DevExpress/devextreme-angular/blob/master/README.md System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.4.5/lib/typescript.js', '@angular/core': 'npm:@angular/core@8.0.0/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@8.0.0/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@8.0.0/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@8.0.0/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@8.0.0/bundles/platform-browser-dynamic.umd.js', '@angular/router': 'npm:@angular/router@8.0.0/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@8.0.0/bundles/forms.umd.js', '@angular/common/http': 'npm:@angular/common@8.0.0/bundles/common-http.umd.js', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs@6.3.3', 'devextreme': 'npm:devextreme@19.2', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', 'devextreme-angular': 'npm:devextreme-angular@19.2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'rxjs': { main: 'index.js', defaultExtension: 'js' }, 'rxjs/operators': { main: 'index.js', defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx-diagram.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="config.js"></script> <script> System.import('app').catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>