Simple Array: Hierarchical Structure

import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxTreeListModule } from 'devextreme-angular'; import { Employee, Service } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service] }) export class AppComponent { employees: Employee[]; constructor(service: Service) { this.employees = service.getEmployees(); } } @NgModule({ imports: [ BrowserModule, DxTreeListModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep #employees { max-height: 440px; }

import { Injectable } from '@angular/core'; export class Employee { Full_Name: string; Prefix: string; Title: string; City: string; State: string; Email: string; Skype: string; Mobile_Phone: string; Birth_Date: string; Hire_Date: string; items?: Employee[]; } var employees: Employee[] = [{ "Full_Name":"John Heart", "Prefix":"Mr.", "Title":"CEO", "City": "Los Angeles", "State": "California", "Email":"jheart@dx-email.com", "Skype":"jheart_DX_skype", "Mobile_Phone":"(213) 555-9392", "Birth_Date":"1964-03-16", "Hire_Date":"1995-01-15", "items": [{ "Full_Name":"Samantha Bright", "Prefix":"Dr.", "Title":"COO", "City": "Los Angeles", "State": "California", "Email":"samanthab@dx-email.com", "Skype":"samanthab_DX_skype", "Mobile_Phone":"(213) 555-2858", "Birth_Date":"1966-05-02", "Hire_Date":"2004-05-24", "items":[{ "Full_Name":"Kevin Carter", "Prefix":"Mr.", "Title":"Shipping Manager", "City": "San Diego", "State": "California", "Email":"kevinc@dx-email.com", "Skype":"kevinc_DX_skype", "Mobile_Phone":"(213) 555-2840", "Birth_Date":"1978-01-09", "Hire_Date":"2009-08-11", "items":[{ "Full_Name":"Davey Jones", "Prefix":"Mr.", "Title":"Shipping Assistant", "City": "Pasadena", "State": "California", "Email":"davidj@dx-email.com", "Skype":"davidj_DX_skype", "Mobile_Phone":"(626) 555-0281", "Birth_Date":"1983-03-06", "Hire_Date":"2011-04-24" }, { "Full_Name":"Victor Norris", "Prefix":"Mr.", "Title":"Shipping Assistant", "City": "Little Rock", "State": "Arkansas", "Email":"victorn@dx-email.com", "Skype":"victorn_DX_skype", "Mobile_Phone":"(213) 555-9278", "Birth_Date":"1986-07-23", "Hire_Date":"2012-07-23" }, { "Full_Name":"Mary Stern", "Prefix":"Ms.", "Title":"Shipping Assistant", "City": "Beaver", "State": "Utah", "Email":"marys@dx-email.com", "Skype":"marys_DX_skype", "Mobile_Phone":"(818) 555-7857", "Birth_Date":"1982-04-08", "Hire_Date":"2012-08-12" }, { "Full_Name":"Robin Cosworth", "Prefix":"Mrs.", "Title":"Shipping Assistant", "City": "Los Angeles", "State": "California", "Email":"robinc@dx-email.com", "Skype":"robinc_DX_skype", "Mobile_Phone":"(818) 555-0942", "Birth_Date":"1981-06-12", "Hire_Date":"2012-09-01" }] }] }, { "Full_Name":"Arthur Miller", "Prefix":"Mr.", "Title":"CTO", "City": "Denver", "State": "Colorado", "Email":"arthurm@dx-email.com", "Skype":"arthurm_DX_skype", "Mobile_Phone":"(310) 555-8583", "Birth_Date":"1972-07-11", "Hire_Date":"2007-12-18", "items":[{ "Full_Name":"Brett Wade", "Prefix":"Mr.", "Title":"IT Manager", "City": "Reno", "State": "Nevada", "Email":"brettw@dx-email.com", "Skype":"brettw_DX_skype", "Mobile_Phone":"(626) 555-0358", "Birth_Date":"1968-12-01", "Hire_Date":"2009-03-06", "items":[{ "Full_Name":"Taylor Riley", "Prefix":"Mr.", "Title":"Network Admin", "City": "San Jose", "State": "California", "Email":"taylorr@dx-email.com", "Skype":"taylorr_DX_skype", "Mobile_Phone":"(310) 555-7276", "Birth_Date":"1982-08-14", "Hire_Date":"2012-04-14" }, { "Full_Name":"Amelia Harper", "Prefix":"Mrs.", "Title":"Network Admin", "City": "Los Angeles", "State": "California", "Email":"ameliah@dx-email.com", "Skype":"ameliah_DX_skype", "Mobile_Phone":"(213) 555-4276", "Birth_Date":"1983-11-19", "Hire_Date":"2011-02-10" }, { "Full_Name":"Wally Hobbs", "Prefix":"Mr.", "Title":"Programmer", "City": "Chatsworth", "State": "California", "Email":"wallyh@dx-email.com", "Skype":"wallyh_DX_skype", "Mobile_Phone":"(818) 555-8872", "Birth_Date":"1984-12-24", "Hire_Date":"2011-02-17" }, { "Full_Name":"Brad Jameson", "Prefix":"Mr.", "Title":"Programmer", "City": "San Fernando", "State": "California", "Email":"bradleyj@dx-email.com", "Skype":"bradleyj_DX_skype", "Mobile_Phone":"(818) 555-4646", "Birth_Date":"1988-10-12", "Hire_Date":"2011-03-02" }, { "Full_Name":"Karen Goodson", "Prefix":"Miss", "Title":"Programmer", "City": "South Pasadena", "State": "California", "Email":"kareng@dx-email.com", "Skype":"kareng_DX_skype", "Mobile_Phone":"(626) 555-0908", "Birth_Date":"1987-04-26", "Hire_Date":"2011-03-14" }, { "Full_Name":"Morgan Kennedy", "Prefix":"Mrs.", "Title":"Graphic Designer", "City": "San Fernando Valley", "State": "California", "Email":"morgank@dx-email.com", "Skype":"morgank_DX_skype", "Mobile_Phone":"(818) 555-8238", "Birth_Date":"1984-07-17", "Hire_Date":"2012-01-11", "items":[{ "Full_Name":"Violet Bailey", "Prefix":"Ms.", "Title":"Jr Graphic Designer", "City": "La Canada", "State": "California", "Email":"violetb@dx-email.com", "Skype":"violetb_DX_skype", "Mobile_Phone":"(818) 555-2478", "Birth_Date":"1985-06-10", "Hire_Date":"2012-01-19" }] }] }, { "Full_Name":"Barb Banks", "Prefix":"Mrs.", "Title":"Support Manager", "City": "Phoenix", "State": "Arizona", "Email":"barbarab@dx-email.com", "Skype":"barbarab_DX_skype", "Mobile_Phone":"(310) 555-3355", "Birth_Date":"1979-04-14", "Hire_Date":"2002-08-07", "items":[{ "Full_Name":"Kelly Rodriguez", "Prefix":"Ms.", "Title":"Support Assistant", "City": "Boise", "State": "Idaho", "Email":"kellyr@dx-email.com", "Skype":"kellyr_DX_skype", "Mobile_Phone":"(818) 555-9248", "Birth_Date":"1988-05-11", "Hire_Date":"2012-10-13" }, { "Full_Name":"James Anderson", "Prefix":"Mr.", "Title":"Support Assistant", "City": "Atlanta", "State": "Georgia", "Email":"jamesa@dx-email.com", "Skype":"jamesa_DX_skype", "Mobile_Phone":"(323) 555-4702", "Birth_Date":"1987-01-29", "Hire_Date":"2012-10-18" }, { "Full_Name":"Antony Remmen", "Prefix":"Mr.", "Title":"Support Assistant", "City": "Boise", "State": "Idaho", "Email":"anthonyr@dx-email.com", "Skype":"anthonyr_DX_skype", "Mobile_Phone":"(310) 555-6625", "Birth_Date":"1986-02-19", "Hire_Date":"2013-01-19" }] }] }, { "Full_Name":"Robert Reagan", "Prefix":"Mr.", "Title":"CMO", "City": "Bentonville", "State": "Arkansas", "Email":"robertr@dx-email.com", "Skype":"robertr_DX_skype", "Mobile_Phone":"(818) 555-2387", "Birth_Date":"1974-09-07", "Hire_Date":"2002-11-08", "items":[{ "Full_Name":"Ed Holmes", "Prefix":"Dr.", "Title":"Sales Manager", "City": "Malibu", "State": "California", "Email":"edwardh@dx-email.com", "Skype":"edwardh_DX_skype", "Mobile_Phone":"(310) 555-1288", "Birth_Date":"1973-07-14", "Hire_Date":"2005-06-19", "items":[{ "Full_Name":"Sammy Hill", "Prefix":"Mr.", "Title":"Sales Assistant", "City": "Pasadena", "State": "California", "Email":"sammyh@dx-email.com", "Skype":"sammyh_DX_skype", "Mobile_Phone":"(626) 555-7292", "Birth_Date":"1984-02-17", "Hire_Date":"2012-02-01" }, { "Full_Name":"Olivia Peyton", "Prefix":"Mrs.", "Title":"Sales Assistant", "City": "Atlanta", "State": "Georgia", "Email":"oliviap@dx-email.com", "Skype":"oliviap_DX_skype", "Mobile_Phone":"(310) 555-2728", "Birth_Date":"1981-06-03", "Hire_Date":"2012-05-14" }] }] }, { "Full_Name":"Greta Sims", "Prefix":"Ms.", "Title":"HR Manager", "City": "Atlanta", "State": "Georgia", "Email":"gretas@dx-email.com", "Skype":"gretas_DX_skype", "Mobile_Phone":"(818) 555-6546", "Birth_Date":"1977-11-22", "Hire_Date":"1998-04-23", "items":[{ "Full_Name":"Sandra Johnson", "Prefix":"Mrs.", "Title":"Controller", "City": "Beaver", "State": "Utah", "Email":"sandraj@dx-email.com", "Skype":"sandraj_DX_skype", "Mobile_Phone":"(562) 555-2082", "Birth_Date":"1974-11-15", "Hire_Date":"2005-05-11" }, { "Full_Name":"Cindy Stanwick", "Prefix":"Ms.", "Title":"HR Assistant", "City": "Little Rock", "State": "Arkansas", "Email":"cindys@dx-email.com", "Skype":"cindys_DX_skype", "Mobile_Phone":"(818) 555-6655", "Birth_Date":"1985-06-05", "Hire_Date":"2008-03-24" }, { "Full_Name":"Marcus Orbison", "Prefix":"Mr.", "Title":"Travel Coordinator", "City": "Los Angeles", "State": "California", "Email":"marcuso@dx-email.com", "Skype":"marcuso_DX_skype", "Mobile_Phone":"(213) 555-7098", "Birth_Date":"1982-03-02", "Hire_Date":"2005-05-19" }, { "Full_Name":"Sandy Bright", "Prefix":"Ms.", "Title":"Benefits Coordinator", "City": "Denver", "State": "Colorado", "Email":"sandrab@dx-email.com", "Skype":"sandrab_DX_skype", "Mobile_Phone":"(818) 555-0524", "Birth_Date":"1983-09-11", "Hire_Date":"2005-06-04" }, { "Full_Name":"Ken Samuelson", "Prefix":"Dr.", "Title":"Ombudsman", "City": "St. Louis", "State": "Missouri", "Email":"kents@dx-email.com", "Skype":"kents_DX_skype", "Mobile_Phone":"(562) 555-9282", "Birth_Date":"1972-09-11", "Hire_Date":"2009-04-22" }] }] }]; @Injectable() export class Service { getEmployees(): Employee[] { return employees; } }

// 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://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ System.config({ transpiler: 'ts', typescriptOptions: { module: "system", 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': 'npm:@angular', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs', '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@0.1.54', 'devexpress-gantt': 'npm:devexpress-gantt@0.0.29', 'devextreme-angular': 'npm:devextreme-angular@19.2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, }, packageConfigPaths: [ "npm:*/package.json", "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular@19.2/*/package.json", "npm:devextreme-angular@19.2/ui/*/package.json", ] });

<!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/19.2.7/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.7/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.10.2/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>