FlexGrid Import Export Excel Asynchronous (Angular)

The sample demonstrates how to export or import FlexGrid content to/from an Excel(.xlsx) file asynchronously with the saveAsync/loadAsync methods of the FlexGridXlsxConverter class.

This example uses Angular.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import { Component, enableProdMode, NgModule, Inject, ViewChild } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { FormsModule } from '@angular/forms'; import { WjGridModule } from '@grapecity/wijmo.angular2.grid'; import * as wjcCore from '@grapecity/wijmo'; import * as wjcGrid from '@grapecity/wijmo.grid'; import * as wjcXlsx from '@grapecity/wijmo.xlsx'; import * as wjcGridXlsx from '@grapecity/wijmo.grid.xlsx'; import { DataService } from './app.data'; @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; fileName: string = ''; includeColumnHeader = true; customContent = false; constructor(@Inject(DataService) dataSvc: DataService) { this.data = dataSvc.getProductOrders(500); } @ViewChild('flex') flex: wjcGrid.FlexGrid; initializeFlexSheet(flex: wjcGrid.FlexGrid) { let groupNames = ['Product', 'Country', 'Amount'], cv, propName, groupDesc; // get the collection view, start update cv = flex.collectionView; cv.beginUpdate(); // clear existing groups cv.groupDescriptions.clear(); // add new groups for (let i = 0; i < groupNames.length; i++) { propName = groupNames[i].toLowerCase(); if (propName == 'amount') { // group amounts in ranges // (could use the mapping function to group countries into continents, // names into initials, etc) groupDesc = new wjcCore.PropertyGroupDescription(propName, (item: any, prop: string) => { let value = item[prop]; if (value > 1000) return 'Large Amounts'; if (value > 100) return 'Medium Amounts'; if (value > 0) return 'Small Amounts'; return 'Negative'; }); cv.groupDescriptions.push(groupDesc); } else if (propName) { // group other properties by their specific values groupDesc = new wjcCore.PropertyGroupDescription(propName); cv.groupDescriptions.push(groupDesc); } } // done updating cv.endUpdate(); } save() { wjcGridXlsx.FlexGridXlsxConverter.saveAsync(this.flex, { includeColumnHeaders: this.includeColumnHeader, includeCellStyles: false, formatItem: this.customContent ? this._exportFormatItem : null }, 'FlexGrid.xlsx'); } load() { let fileInput = <HTMLInputElement>document.getElementById('importFile'); if (fileInput.files[0]) { this.customContent = false; wjcGridXlsx.FlexGridXlsxConverter.loadAsync(this.flex, fileInput.files[0], { includeColumnHeaders: this.includeColumnHeader }); } } private _exportFormatItem(args: wjcGridXlsx.XlsxFormatItemEventArgs) { var p = args.panel, row = args.row, col = args.col, xlsxCell = args.xlsxCell, cell: HTMLElement, color: string; if (p.cellType === wjcGrid.CellType.Cell) { if (p.columns[col].binding === 'color') { //color = p.rows[row].dataItem['color']; if (xlsxCell.value) { if (!xlsxCell.style.font) { xlsxCell.style.font = {}; } xlsxCell.style.font.color = (<string>xlsxCell.value).toLowerCase(); } } else if (p.columns[col].binding === 'active' && p.rows[row] instanceof wjcGrid.GroupRow) { cell = args.getFormattedCell(); xlsxCell.value = cell.textContent.trim(); xlsxCell.style.hAlign = wjcXlsx.HAlign.Left; } } } } @NgModule({ imports: [WjGridModule, BrowserModule, FormsModule], providers: [DataService], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } enableProdMode(); // Bootstrap application with hash style navigation and global services. platformBrowserDynamic().bootstrapModule(AppModule);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Import Export Excel Asynchronous</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/dist/zone.min.js"></script> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.js"></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"> <!-- the grid --> <wj-flex-grid #flex [(itemsSource)]="data" (initialized)="initializeFlexSheet(flex)"> <wj-flex-grid-column header="ID" binding="id"></wj-flex-grid-column> <wj-flex-grid-column header="Start Date" binding="start" format="d"></wj-flex-grid-column> <wj-flex-grid-column header="End Date" binding="end" format="d"></wj-flex-grid-column> <wj-flex-grid-column header="Country" binding="country"></wj-flex-grid-column> <wj-flex-grid-column header="Product" binding="product"></wj-flex-grid-column> <wj-flex-grid-column header="Color" binding="color" [width]="70"> <ng-template wjFlexGridCellTemplate [cellType]="'Cell'" let-cell="cell" *ngIf="customContent"> <div [ngStyle]="{color: cell.item.color.toLowerCase()}"> {{cell.item.color}} </div> </ng-template> </wj-flex-grid-column> <wj-flex-grid-column header="Amount" binding="amount" format="c" aggregate="Sum"></wj-flex-grid-column> <wj-flex-grid-column header="Pending" binding="amount2" format="c2" aggregate="Sum"></wj-flex-grid-column> <wj-flex-grid-column header="Discount" binding="discount" format="p1" aggregate="Avg"></wj-flex-grid-column> <wj-flex-grid-column header="Active" binding="active" [width]="170"> <ng-template wjFlexGridCellTemplate [cellType]="'Group'" let-cell="cell" *ngIf="customContent"> <div style="text-align:left"> Amount/Pending: {{ cell.row.grid.getCellData(cell.row.index, 'amount', false) / cell.row.grid.getCellData(cell.row.index, 'amount2', false) | number:'1.2-2' }} </div> </ng-template> </wj-flex-grid-column> </wj-flex-grid> </div> <div class="row"> <div class="col-md-6 col-xs-12"> <div class="form-inline well well-lg"> <input type="file" class="form-control" style="width: 250px;" id="importFile" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel.sheet.macroEnabled.12" /> <button (click)="load()" class="btn btn-default">Import</button> <div class="checkbox"> <label> <input [(ngModel)]="includeColumnHeader" type="checkbox"> Include Column Header </label> </div> </div> </div> <div class="col-md-6 col-xs-12"> <div class="form-inline well well-lg"> <button (click)="save()" class="btn btn-default">Export</button> <div class="checkbox"> <label> <input [(ngModel)]="includeColumnHeader" type="checkbox"> Include Column Header </label> </div> <div class="checkbox"> <label> <input [(ngModel)]="customContent" type="checkbox"> Custom Cell Content </label> </div> </div> </div> </div> </div>
import { Injectable } from '@angular/core'; @Injectable() export class DataService { getProductOrders(count: number) { let countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], products = ['Widget', 'Gadget', 'Doohickey'], colors = ['Black', 'White', 'Red', 'Green', 'Blue'], data = [], dt = new Date(); // add count items for (let i = 0; i < count; i++) { // constants used to create data items let date = new Date(dt.getFullYear(), i % 12, 25), countryId = Math.floor(Math.random() * countries.length), productId = Math.floor(Math.random() * products.length), colorId = Math.floor(Math.random() * colors.length); // create the item let item = { id: i, start: date, end: date, country: countries[countryId], product: products[productId], color: colors[colorId], amount: Math.random() * 10000, amount2: Math.random() * 10000, discount: Math.random() / 4, active: i % 4 == 0, }; // add the item to the list data.push(item); } return data; } }
.wj-flexgrid { height: 400px; margin: 6px 0; }
(function (global) { System.config({ transpiler: 'ts', typescriptOptions: { tsconfig: true }, meta: { 'typescript': { "exports": "ts" }, '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'core-js': 'npm:core-js/client/shim.min.js', 'zone': 'npm:zone.js/dist/zone.min.js', //'reflect-metadata': 'npm:reflect-metadata/Reflect.js', 'rxjs': 'npm:rxjs/bundles/rxjs.umd.min.js', //'rxjs': 'npm:rxjs', //'rxjs/operators': 'npm:rxjs/operators', '@angular/core': 'npm:@angular/core/bundles/core.umd.min.js', '@angular/common': 'npm:@angular/common/bundles/common.umd.min.js', '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.min.js', '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.min.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.min.js', '@angular/http': 'npm:@angular/http/bundles/http.umd.min.js', '@angular/common/http': 'npm:@angular/common/bundles/common-http.umd.min.js', '@angular/router': 'npm:@angular/router/bundles/router.umd.min.js', '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.min.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js', '@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js', '@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js', '@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js', '@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js', '@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js', '@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js', '@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js', '@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js', '@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js', '@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js', '@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/wijmo.barcode.specialized/index.js', "@grapecity/wijmo.angular2.chart.analytics": "npm:@grapecity/wijmo.angular2.chart.analytics/index.js", "@grapecity/wijmo.angular2.chart.animation": "npm:@grapecity/wijmo.angular2.chart.animation/index.js", "@grapecity/wijmo.angular2.chart.annotation": "npm:@grapecity/wijmo.angular2.chart.annotation/index.js", "@grapecity/wijmo.angular2.chart.finance.analytics": "npm:@grapecity/wijmo.angular2.chart.finance.analytics/index.js", "@grapecity/wijmo.angular2.chart.finance": "npm:@grapecity/wijmo.angular2.chart.finance/index.js", "@grapecity/wijmo.angular2.chart.hierarchical": "npm:@grapecity/wijmo.angular2.chart.hierarchical/index.js", "@grapecity/wijmo.angular2.chart.interaction": "npm:@grapecity/wijmo.angular2.chart.interaction/index.js", "@grapecity/wijmo.angular2.chart.radar": "npm:@grapecity/wijmo.angular2.chart.radar/index.js", "@grapecity/wijmo.angular2.chart": "npm:@grapecity/wijmo.angular2.chart/index.js", "@grapecity/wijmo.angular2.core": "npm:@grapecity/wijmo.angular2.core/index.js", "@grapecity/wijmo.angular2.gauge": "npm:@grapecity/wijmo.angular2.gauge/index.js", "@grapecity/wijmo.angular2.grid.detail": "npm:@grapecity/wijmo.angular2.grid.detail/index.js", "@grapecity/wijmo.angular2.grid.filter": "npm:@grapecity/wijmo.angular2.grid.filter/index.js", "@grapecity/wijmo.angular2.grid.grouppanel": "npm:@grapecity/wijmo.angular2.grid.grouppanel/index.js", "@grapecity/wijmo.angular2.grid.search": "npm:@grapecity/wijmo.angular2.grid.search/index.js", "@grapecity/wijmo.angular2.grid.multirow": "npm:@grapecity/wijmo.angular2.grid.multirow/index.js", "@grapecity/wijmo.angular2.grid.sheet": "npm:@grapecity/wijmo.angular2.grid.sheet/index.js", '@grapecity/wijmo.angular2.grid.transposed': 'npm:@grapecity/wijmo.angular2.grid.transposed/index.js', '@grapecity/wijmo.angular2.grid.transposedmultirow': 'npm:@grapecity/wijmo.angular2.grid.transposedmultirow/index.js', "@grapecity/wijmo.angular2.grid": "npm:@grapecity/wijmo.angular2.grid/index.js", "@grapecity/wijmo.angular2.input": "npm:@grapecity/wijmo.angular2.input/index.js", "@grapecity/wijmo.angular2.olap": "npm:@grapecity/wijmo.angular2.olap/index.js", "@grapecity/wijmo.angular2.viewer": "npm:@grapecity/wijmo.angular2.viewer/index.js", "@grapecity/wijmo.angular2.nav": "npm:@grapecity/wijmo.angular2.nav/index.js", "@grapecity/wijmo.angular2.directivebase": "npm:@grapecity/wijmo.angular2.directivebase/index.js", '@grapecity/wijmo.angular2.barcode.common': 'npm:@grapecity/wijmo.angular2.barcode.common/index.js', '@grapecity/wijmo.angular2.barcode.composite': 'npm:@grapecity/wijmo.angular2.barcode.composite/index.js', '@grapecity/wijmo.angular2.barcode.specialized': 'npm:@grapecity/wijmo.angular2.barcode.specialized/index.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'jszip': 'npm:jszip/dist/jszip.min.js', 'typescript': 'npm:typescript/lib/typescript.js', //'typescript': 'https://unpkg.com/typescript@3.2.2', 'ts': 'npm:plugin-typescript/lib/plugin.js', 'css': 'npm:systemjs-plugin-css/css.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'ts' }, rxjs: { defaultExtension: 'js' }, // 'rxjs': {main: 'index.js', defaultExtension: 'js' }, // 'rxjs/ajax': {main: 'index.js', defaultExtension: 'js' }, //'rxjs/operators': {main: 'index.js', defaultExtension: 'js' }, // 'rxjs/testing': {main: 'index.js', defaultExtension: 'js' }, // 'rxjs/webSocket': {main: 'index.js', defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);