TreeView Nodes | Nav | Angular Wijmo Demos

import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
import * as wjCore from '@mescius/wijmo';
//
import '@angular/compiler';
import { Component, Inject, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core';
import { BrowserModule, bootstrapApplication } from '@angular/platform-browser';
import { WjNavModule, WjTreeView } from '@mescius/wijmo.angular2.nav';
import { DataService, TreeItem } from './app.data';
//
@Component({
standalone: true,
providers: [DataService],
imports: [WjNavModule, BrowserModule],
selector: 'app-component',
templateUrl: 'src/app.component.html',
})
export class AppComponent {
@ViewChild('theTree', { static: true }) theTree: WjTreeView;
data: TreeItem[];
scanResult: string;
//
constructor(@Inject(DataService) private dataService: DataService) {
this.data = dataService.getData();
}
onLoadedItems() {
this._scan(true);
}
//
scanNode(s: WjTreeView) {
this._scan(true);
}
//
_scan(visible: boolean) {
let result = '';
for (let node = this.theTree.nodes[0]; node; node = node.next(visible)) {
result +=
wjCore.format('{header}', node.dataItem) +
wjCore.format(
' <span class="node-info">(level: {level}, index: {index}, isCollapsed: {isCollapsed})</span><br/>',
node,
);
}
this.scanResult = result;
}
}
//
//
enableProdMode();
// Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings.
ɵresolveComponentResources(fetch).then(() => {
// Bootstrap application
bootstrapApplication(AppComponent).catch((err) => console.error(err));
});

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo TreeView Nodes Overview</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Polyfills -->
<script src="node_modules/core-js/client/shim.min.js"></script>
<script src="node_modules/zone.js/fesm2015/zone.min.js"></script>
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
// workaround to load 'rxjs/operators' from the rxjs bundle
System.import('rxjs').then(function (m) {
System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators));
System.import('./src/app.component');
});
</script>
</head>
<body>
<app-component></app-component>
</body>
</html>

<div class="container-fluid">
<div class="row">
<div class="col-xs-5">
<wj-tree-view #theTree [itemsSource]="data" [displayMemberPath]="'header'" [childItemsPath]="'items'" (loadedItems)="onLoadedItems()">
</wj-tree-view>
</div>
<div class="col-xs-7">
<div id="scan" class="btn btn-primary" (click)="scanNode()">
Scan Visible Nodes
</div>
<h4>
Visible Nodes:
</h4>
<div id="result" [innerHtml]="scanResult"></div>
</div>
</div>
</div>

import { Injectable } from '@angular/core';
//
export class TreeItem {
header: string;
newItem?: boolean;
img?: string;
items?: TreeItem[]
}
//
@Injectable()
export class DataService {
getData(): TreeItem[] {
return [
{
header: 'Electronics',
img: 'resources/electronics.png',
items: [
{ header: 'Trimmers/Shavers' },
{ header: 'Tablets' },
{
header: 'Phones',
img: 'resources/phones.png',
items: [
{ header: 'Apple' },
{ header: 'Motorola', newItem: true },
{ header: 'Nokia' },
{ header: 'Samsung' }
]
},
{ header: 'Speakers', newItem: true },
{ header: 'Monitors' }
]
},
{
header: 'Toys',
img: 'resources/toys.png',
items: [
{ header: 'Shopkins' },
{ header: 'Train Sets' },
{ header: 'Science Kit', newItem: true },
{ header: 'Play-Doh' },
{ header: 'Crayola' }
]
},
{
header: 'Home',
img: 'resources/home.png',
items: [
{ header: 'Coffee Maker' },
{ header: 'Breadmaker', newItem: true },
{ header: 'Solar Panel', newItem: true },
{ header: 'Work Table' },
{ header: 'Propane Grill' }
]
}
];
}
}

.wj-treeview {
font-size: 120%;
margin-top: 8px;
margin-bottom: 8px;
padding: 6px;
background: #f0f0f0;
box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
}
body {
margin-bottom: 24pt;
}

(function (global) {
SystemJS.config({
transpiler: './plugin-typescript.js',
typescriptOptions: {
"target": "ES2022",
"module": "system",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
},
baseURL: 'node_modules/',
meta: {
'typescript': {
"exports": "ts"
},
'*.css': { loader: 'systemjs-plugin-css' },
'*.mjs': {
format: 'esm'
},
},
paths: {
// paths serve as alias
'npm:': ''
},
packageConfigPaths: [
'/node_modules/*/package.json',
"/node_modules/@angular/*/package.json",
"/node_modules/@mescius/*/package.json"
],
map: {
'core-js': 'https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js',
'typescript': 'https://cdnjs.cloudflare.com/ajax/libs/typescript/5.2.2/typescript.min.js',
"rxjs": "https://cdnjs.cloudflare.com/ajax/libs/rxjs/7.8.1/rxjs.umd.min.js",
'systemjs-plugin-css': 'https://cdn.jsdelivr.net/npm/systemjs-plugin-css@0.1.37/css.js',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
"@mescius/wijmo.angular2.chart.analytics": "npm:@mescius/wijmo.angular2.chart.analytics/index.js",
"@mescius/wijmo.angular2.chart.animation": "npm:@mescius/wijmo.angular2.chart.animation/index.js",
"@mescius/wijmo.angular2.chart.annotation": "npm:@mescius/wijmo.angular2.chart.annotation/index.js",
"@mescius/wijmo.angular2.chart.finance.analytics": "npm:@mescius/wijmo.angular2.chart.finance.analytics/index.js",
"@mescius/wijmo.angular2.chart.finance": "npm:@mescius/wijmo.angular2.chart.finance/index.js",
"@mescius/wijmo.angular2.chart.hierarchical": "npm:@mescius/wijmo.angular2.chart.hierarchical/index.js",
"@mescius/wijmo.angular2.chart.interaction": "npm:@mescius/wijmo.angular2.chart.interaction/index.js",
"@mescius/wijmo.angular2.chart.radar": "npm:@mescius/wijmo.angular2.chart.radar/index.js",
'@mescius/wijmo.angular2.chart.map': 'npm:@mescius/wijmo.angular2.chart.map/index.js',
"@mescius/wijmo.angular2.chart": "npm:@mescius/wijmo.angular2.chart/index.js",
"@mescius/wijmo.angular2.core": "npm:@mescius/wijmo.angular2.core/index.js",
"@mescius/wijmo.angular2.gauge": "npm:@mescius/wijmo.angular2.gauge/index.js",
"@mescius/wijmo.angular2.grid.detail": "npm:@mescius/wijmo.angular2.grid.detail/index.js",
"@mescius/wijmo.angular2.grid.filter": "npm:@mescius/wijmo.angular2.grid.filter/index.js",
"@mescius/wijmo.angular2.grid.grouppanel": "npm:@mescius/wijmo.angular2.grid.grouppanel/index.js",
"@mescius/wijmo.angular2.grid.search": "npm:@mescius/wijmo.angular2.grid.search/index.js",
"@mescius/wijmo.angular2.grid.multirow": "npm:@mescius/wijmo.angular2.grid.multirow/index.js",
"@mescius/wijmo.angular2.grid.sheet": "npm:@mescius/wijmo.angular2.grid.sheet/index.js",
'@mescius/wijmo.angular2.grid.transposed': 'npm:@mescius/wijmo.angular2.grid.transposed/index.js',
'@mescius/wijmo.angular2.grid.transposedmultirow': 'npm:@mescius/wijmo.angular2.grid.transposedmultirow/index.js',
"@mescius/wijmo.angular2.grid": "npm:@mescius/wijmo.angular2.grid/index.js",
"@mescius/wijmo.angular2.input": "npm:@mescius/wijmo.angular2.input/index.js",
"@mescius/wijmo.angular2.olap": "npm:@mescius/wijmo.angular2.olap/index.js",
"@mescius/wijmo.angular2.viewer": "npm:@mescius/wijmo.angular2.viewer/index.js",
"@mescius/wijmo.angular2.nav": "npm:@mescius/wijmo.angular2.nav/index.js",
"@mescius/wijmo.angular2.directivebase": "npm:@mescius/wijmo.angular2.directivebase/index.js",
'@mescius/wijmo.angular2.barcode.common': 'npm:@mescius/wijmo.angular2.barcode.common/index.js',
'@mescius/wijmo.angular2.barcode.composite': 'npm:@mescius/wijmo.angular2.barcode.composite/index.js',
'@mescius/wijmo.angular2.barcode.specialized': 'npm:@mescius/wijmo.angular2.barcode.specialized/index.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'jszip': 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js',
'@angular/core': 'npm:@angular/core/fesm2022/core.mjs',
'@angular/core/primitives/signals': 'npm:@angular/core/fesm2022/primitives/signals.mjs',
'@angular/core/primitives/event-dispatch': 'npm:@angular/core/fesm2022/primitives/event-dispatch.mjs',
'@angular/common': 'npm:@angular/common/fesm2022/common.mjs',
'@angular/common/http': 'npm:@angular/common/fesm2022/http.mjs',
'@angular/compiler': 'npm:@angular/compiler/fesm2022/compiler.mjs',
'@angular/platform-browser': 'npm:@angular/platform-browser/fesm2022/platform-browser.mjs',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/fesm2022/platform-browser-dynamic.mjs',
'@angular/http': 'npm:@angular/http/fesm2022/http.mjs',
'@angular/router': 'npm:@angular/router/fesm2022/router.mjs',
'@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
"./src": {
defaultExtension: 'ts'
},
"node_modules": {
defaultExtension: 'js'
},
wijmo: {
defaultExtension: 'js',
}
}
});
})(this);

TreeView Nodes (Angular)

Feedback