Templates with Editing
In this demo, the customShapeTemplate property defines a common shape template and adds the Edit and Delete links to a shape. These links allow users to modify and remove employee data from the data source. The Diagram component reloads modified diagram data whenever the data source changes.
The onRequestLayoutUpdate function specifies whether the component must reapply its auto layout once the diagram is reloaded.
The customDataExpr property links custom employee information from the data source to diagram nodes. Changes made to data are reflected in the diagram's history. Undo and redo actions (available within the control's UI) allow users to rollback/reapply changes.
The CustomShapeToolboxTemplate property specifies the template used for a shape within the toolbox.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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We appreciate your feedback.
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<dx-diagram id="diagram" #diagram customShapeTemplate="customShapeTemplate" customShapeToolboxTemplate="customShapeToolboxTemplate" (onRequestLayoutUpdate)="requestLayoutUpdateHandler($event)">
<dxi-custom-shape type="employee"
baseType="rectangle"
category="employee"
title="New Employee"
[defaultWidth]="1.5"
[defaultHeight]="1"
[toolboxWidthToHeightRatio]="2"
[minWidth]="1.5"
[minHeight]="1"
[maxWidth]="3"
[maxHeight]="2"
[allowEditText]="false">
</dxi-custom-shape>
<svg *dxTemplate="let item of 'customShapeTemplate'" class="template">
<text class="template-name" x="50%" y="20%">{{item.dataItem ? item.dataItem.Full_Name : "Employee's Name"}}</text>
<text class="template-title" x="50%" y="45%">{{item.dataItem ? item.dataItem.Title : "Employee's Title"}}</text>
<text class="template-button" x="40%" y="85%" (click)="editEmployee(item.dataItem)">Edit</text>
<text class="template-button" x="62%" y="85%" (click)="deleteEmployee(item.dataItem)">Delete</text>
</svg>
<svg *dxTemplate="let item of 'customShapeToolboxTemplate'" class="template">
<text x="50%" y="40%">New</text>
<text x="50%" y="70%">Employee</text>
</svg>
<dxo-nodes [dataSource]="dataSource" keyExpr="ID" [typeExpr]="itemTypeExpr" [customDataExpr]="itemCustomDataExpr" parentKeyExpr="Head_ID">
<dxo-auto-layout type="tree"></dxo-auto-layout>
</dxo-nodes>
<dxo-context-toolbox [width]="100" [shapeIconsPerRow]="1">
</dxo-context-toolbox>
<dxo-toolbox [showSearch]="false" [shapeIconsPerRow]="1">
<dxi-group category="employee" title="Employee" [expanded]="true"></dxi-group>
</dxo-toolbox>
<dxo-properties-panel>
<dxi-tab>
<dxi-group title="Page Properties" [commands]='["pageSize","pageOrientation","pageColor"]'></dxi-group>
</dxi-tab>
</dxo-properties-panel>
</dx-diagram>
<dx-popup [width]="400"
[height]="480"
[showTitle]="true"
title="Edit Employee"
[dragEnabled]="false"
[(visible)]="popupVisible">
<div *dxTemplate="let data of 'content'">
<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">Name</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.Full_Name"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Title</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.Title"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">City</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.City"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">State</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.State"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Email</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.Email"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Skype</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.Skype"></dx-text-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Phone</div>
<div class="dx-field-value">
<dx-text-box [(value)]="currentEmployee.Mobile_Phone"></dx-text-box>
</div>
</div>
</div>
<div class="dx-fieldset buttons">
<dx-button text="Update"
type="default"
(click)="this.updateEmployee()">
</dx-button>
<dx-button text="Cancel"
(click)="this.cancelEditEmployee()">
</dx-button>
</div>
</div>
</dx-popup>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxPopupModule, DxTemplateModule, DxDiagramModule, DxDiagramComponent, DxTextBoxModule, DxButtonModule } from 'devextreme-angular';
import ArrayStore from 'devextreme/data/array_store';
import { Service, Employee } 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],
preserveWhitespaces: true
})
export class AppComponent {
@ViewChild(DxDiagramComponent, { static: false }) diagram: DxDiagramComponent;
currentEmployee: Employee = new Employee();
employees: Employee[];
dataSource: ArrayStore;
popupVisible = false;
generatedID = 100;
constructor(service: Service) {
var that = this;
this.employees = service.getEmployees();
this.dataSource = new ArrayStore({
key: "ID",
data: service.getEmployees(),
onInserting: function(values) {
values.ID = values.ID || that.generatedID++;
values.Full_Name = values.Full_Name || "Employee's Name";
values.Title = values.Title || "Employee's Title";
}
});
}
itemTypeExpr(obj) {
return "employee";
}
itemCustomDataExpr(obj, value) {
if(value === undefined) {
return {
"Full_Name": obj.Full_Name,
"Prefix": obj.Prefix,
"Title": obj.Title,
"City": obj.City,
"State": obj.State,
"Email": obj.Email,
"Skype": obj.Skype,
"Mobile_Phone": obj.Mobile_Phone
};
} else {
obj.Full_Name = value.Full_Name;
obj.Prefix = value.Prefix;
obj.Title = value.Title;
obj.City = value.City;
obj.State = value.State;
obj.Email = value.Email;
obj.Skype = value.Skype;
obj.Mobile_Phone = value.Mobile_Phone;
}
}
requestLayoutUpdateHandler(e) {
for(var i = 0; i < e.changes.length; i++) {
if(e.changes[i].type === 'remove')
e.allowed = true;
else if(e.changes[i].data.Head_ID !== undefined && e.changes[i].data.Head_ID !== null)
e.allowed = true;
}
}
editEmployee(employee) {
this.currentEmployee = Object.assign({}, employee);
this.popupVisible = true;
}
deleteEmployee(employee) {
this.dataSource.push([{ type: 'remove', key: employee.ID }]);
}
updateEmployee() {
this.dataSource.push([{
type: 'update',
key: this.currentEmployee.ID,
data: {
"Full_Name": this.currentEmployee.Full_Name,
"Title": this.currentEmployee.Title,
"City": this.currentEmployee.City,
"State": this.currentEmployee.State,
"Email": this.currentEmployee.Email,
"Skype": this.currentEmployee.Skype,
"Mobile_Phone": this.currentEmployee.Mobile_Phone
}
}]);
this.popupVisible = false;
}
cancelEditEmployee() {
this.currentEmployee = new Employee();
this.popupVisible = false;
}
}
@NgModule({
imports: [
BrowserModule,
DxDiagramModule,
DxPopupModule,
DxTextBoxModule,
DxButtonModule,
DxTemplateModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #diagram {
height: 725px;
}
::ng-deep #diagram .template .template-name {
font-weight: bold;
text-decoration: underline;
}
::ng-deep #diagram .template .template-title {
font-style: italic;
}
::ng-deep #diagram .template .template-button {
cursor: pointer;
font-size: 8pt;
fill: navy;
}
::ng-deep #diagram .template .template-button:hover {
text-decoration: underline;
}
::ng-deep .dx-popup-content {
padding: 0;
}
::ng-deep .dx-popup-content .dx-fieldset.buttons {
display: flex;
justify-content: flex-end;
}
::ng-deep .dx-popup-content .dx-fieldset.buttons > * {
margin-left: 8px;
}
import { Injectable } from '@angular/core';
export class Employee {
ID: number;
Head_ID: number;
Full_Name: string;
Prefix: string;
Title: string;
City: string;
State: string;
Email: string;
Skype: string;
Mobile_Phone: string;
Birth_Date: string;
Hire_Date: string;
}
let employees: Employee[] = [{
"ID": 1,
"Head_ID": undefined,
"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"
}, {
"ID": 2,
"Head_ID": 1,
"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"
}, {
"ID": 3,
"Head_ID": 1,
"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"
}, {
"ID": 4,
"Head_ID": 1,
"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"
}, {
"ID": 5,
"Head_ID": 1,
"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"
}, {
"ID": 6,
"Head_ID": 3,
"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"
}, {
"ID": 7,
"Head_ID": 5,
"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"
}, {
"ID": 8,
"Head_ID": 4,
"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"
}, {
"ID": 9,
"Head_ID": 3,
"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"
}, {
"ID": 10,
"Head_ID": 2,
"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"
}, {
"ID": 11,
"Head_ID": 5,
"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"
}, {
"ID": 12,
"Head_ID": 8,
"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"
}, {
"ID": 13,
"Head_ID": 10,
"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"
}, {
"ID": 14,
"Head_ID": 10,
"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"
}, {
"ID": 15,
"Head_ID": 10,
"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"
}, {
"ID": 16,
"Head_ID": 10,
"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"
}, {
"ID": 17,
"Head_ID": 9,
"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"
}, {
"ID": 18,
"Head_ID": 9,
"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"
}, {
"ID": 19,
"Head_ID": 9,
"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"
}, {
"ID": 20,
"Head_ID": 8,
"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"
}, {
"ID": 21,
"Head_ID": 6,
"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"
}, {
"ID": 22,
"Head_ID": 6,
"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"
}, {
"ID": 23,
"Head_ID": 6,
"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"
}, {
"ID": 24,
"Head_ID": 6,
"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"
}, {
"ID": 25,
"Head_ID": 6,
"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"
}, {
"ID": 26,
"Head_ID": 5,
"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"
}];
@Injectable()
export class Service {
getEmployees() {
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/
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.3.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.27.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@21.1.4/cjs',
'devextreme/bundles/dx.all': 'npm:devextreme@21.1.4/bundles/dx.all.js',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.1.4/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.19',
'devexpress-gantt': 'npm:devexpress-gantt@2.1.42',
'devextreme-angular': 'npm:devextreme-angular@21.1.4',
'@devextreme/vdom': 'npm:@devextreme/vdom@1.2.2',
'inferno': 'npm:inferno@7.4.8/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat@7.4.8/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.8/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.8/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.8/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class@7.4.8/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras@7.4.8/dist/inferno-extras.min.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'@devextreme/vdom': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
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packageConfigPaths: [
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"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
};
System.config(window.config);
<!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/21.1.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.1.4/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.1.4/css/dx-diagram.css" />
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<script src="config.js"></script>
<script>
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</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>