Custom Summaries

import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxDataGridModule } from 'devextreme-angular'; import { Order, 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 { orders: Order[]; constructor(private service: Service) { this.orders = service.getOrders() } calculateSelectedRow(options) { if (options.name === "SelectedRowsSummary") { if (options.summaryProcess === "start") { options.totalValue = 0; } else if (options.summaryProcess === "calculate") { if (options.component.isRowSelected(options.value.ID)) { options.totalValue = options.totalValue + options.value.SaleAmount; } } } } onSelectionChanged(e) { e.component.refresh(true); } } @NgModule({ imports: [ BrowserModule, DxDataGridModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);

::ng-deep #gridContainer { height: 440px; margin-bottom: 10px; }

import { Injectable } from '@angular/core'; export class Order { ID: number; OrderNumber: number; OrderDate: string; SaleAmount: number; Terms: string; TotalAmount: number; CustomerStoreState: string; CustomerStoreCity: string; Employee: string; } let orders: Order[] = [{ "ID" : 1, "OrderNumber" : 35703, "OrderDate" : "2014-04-10", "SaleAmount" : 11800, "Terms" : "15 Days", "TotalAmount" : 12175, "CustomerStoreState" : "California", "CustomerStoreCity" : "Los Angeles", "Employee" : "Harv Mudd" }, { "ID" : 4, "OrderNumber" : 35711, "OrderDate" : "2014-01-12", "SaleAmount" : 16050, "Terms" : "15 Days", "TotalAmount" : 16550, "CustomerStoreState" : "California", "CustomerStoreCity" : "San Jose", "Employee" : "Jim Packard" }, { "ID" : 5, "OrderNumber" : 35714, "OrderDate" : "2014-01-22", "SaleAmount" : 14750, "Terms" : "15 Days", "TotalAmount" : 15250, "CustomerStoreState" : "Nevada", "CustomerStoreCity" : "Las Vegas", "Employee" : "Harv Mudd" }, { "ID" : 7, "OrderNumber" : 35983, "OrderDate" : "2014-02-07", "SaleAmount" : 3725, "Terms" : "15 Days", "TotalAmount" : 3850, "CustomerStoreState" : "Colorado", "CustomerStoreCity" : "Denver", "Employee" : "Todd Hoffman" }, { "ID" : 9, "OrderNumber" : 36987, "OrderDate" : "2014-03-11", "SaleAmount" : 14200, "Terms" : "15 Days", "TotalAmount" : 14800, "CustomerStoreState" : "Utah", "CustomerStoreCity" : "Salt Lake City", "Employee" : "Clark Morgan" }, { "ID" : 11, "OrderNumber" : 38466, "OrderDate" : "2014-03-01", "SaleAmount" : 7800, "Terms" : "15 Days", "TotalAmount" : 8200, "CustomerStoreState" : "California", "CustomerStoreCity" : "Los Angeles", "Employee" : "Harv Mudd" }, { "ID" : 15, "OrderNumber" : 39874, "OrderDate" : "2014-02-04", "SaleAmount" : 9050, "Terms" : "30 Days", "TotalAmount" : 19100, "CustomerStoreState" : "Nevada", "CustomerStoreCity" : "Las Vegas", "Employee" : "Harv Mudd" }, { "ID" : 18, "OrderNumber" : 42847, "OrderDate" : "2014-02-15", "SaleAmount" : 20400, "Terms" : "30 Days", "TotalAmount" : 20800, "CustomerStoreState" : "Wyoming", "CustomerStoreCity" : "Casper", "Employee" : "Todd Hoffman" }, { "ID" : 19, "OrderNumber" : 43982, "OrderDate" : "2014-05-29", "SaleAmount" : 6050, "Terms" : "30 Days", "TotalAmount" : 6250, "CustomerStoreState" : "Utah", "CustomerStoreCity" : "Salt Lake City", "Employee" : "Clark Morgan" }, { "ID" : 29, "OrderNumber" : 56272, "OrderDate" : "2014-02-06", "SaleAmount" : 15850, "Terms" : "30 Days", "TotalAmount" : 16350, "CustomerStoreState" : "Utah", "CustomerStoreCity" : "Salt Lake City", "Employee" : "Clark Morgan" }, { "ID" : 30, "OrderNumber" : 57429, "OrderDate" : "2013-12-31", "SaleAmount" : 11050, "Terms" : "30 Days", "TotalAmount" : 11400, "CustomerStoreState" : "Arizona", "CustomerStoreCity" : "Phoenix", "Employee" : "Clark Morgan" }, { "ID" : 32, "OrderNumber" : 58292, "OrderDate" : "2014-05-13", "SaleAmount" : 13500, "Terms" : "15 Days", "TotalAmount" : 13800, "CustomerStoreState" : "California", "CustomerStoreCity" : "Los Angeles", "Employee" : "Harv Mudd" }]; @Injectable() export class Service { getOrders() { return orders; } }

// 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@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@1.0.17', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.10', 'devextreme-angular': 'npm:devextreme-angular@20.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, packageConfigPaths: [ "npm:*/package.json", "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular@20.1/*/package.json", "npm:devextreme-angular@20.1/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/20.1.8/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/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>