Paging (React)

The MultiRow control supports paging through the IPagedCollectionView interface, which is nearly identical to the one in .NET.

To enable paging, set the IPagedCollectionView.pageSize property to the number of items you want to display on each page, and provide a UI for navigating the pages.

This example uses React.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; import * as React from 'react'; import * as ReactDOM from 'react-dom'; import * as wjGrid from '@grapecity/wijmo.react.grid.multirow'; import * as wjCore from '@grapecity/wijmo'; import { getData } from './data'; class App extends React.Component { constructor(props) { super(props); this._updatePageText = () => { this.setState({ pageText: wjCore.format('{index:n0} / {count:n0}', { index: this.state.pagedOrders.pageIndex + 1, count: this.state.pagedOrders.pageCount }) }); }; this.onGotoPageClick = (command) => { if (command === 'first') { this.state.pagedOrders.moveToFirstPage(); } else if (command === 'previous') { this.state.pagedOrders.moveToPreviousPage(); } else if (command === 'next') { this.state.pagedOrders.moveToNextPage(); } else if (command === 'last') { this.state.pagedOrders.moveToLastPage(); } }; this.state = { pagedOrders: getData().pagedOrders, layoutDefinition: getData().ldThreeLines, pageText: '' }; } render() { return <div className="container-fluid"> <wjGrid.MultiRow itemsSource={this.state.pagedOrders} layoutDefinition={this.state.layoutDefinition}></wjGrid.MultiRow> <div className="btn-group"> <button type="button" className="btn" onClick={e => this.onGotoPageClick('first')}> <span className="glyphicon glyphicon-fast-backward"></span> </button> <button type="button" className="btn" onClick={e => this.onGotoPageClick('previous')}> <span className="glyphicon glyphicon-step-backward"></span> </button> <button type="button" className="btn" disabled style={{ width: "100px" }} dangerouslySetInnerHTML={{ __html: this.state.pageText }}></button> <button type="button" className="btn" onClick={e => this.onGotoPageClick('next')}> <span className="glyphicon glyphicon-step-forward"></span> </button> <button type="button" className="btn" onClick={e => this.onGotoPageClick('last')}> <span className="glyphicon glyphicon-fast-forward"></span> </button> </div> </div>; } componentDidMount() { let pagedOrders = this.state.pagedOrders; this._updatePageText(); pagedOrders.collectionChanged.addHandler(() => { this._updatePageText(); }); pagedOrders.pageChanged.addHandler(() => { this._updatePageText(); }); this.setState({ pagedOrders: pagedOrders }); } } ReactDOM.render(<App />, document.getElementById('app'));
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo MultiRow Paging</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.wj-multirow { margin: 6px 0; max-height:800px }
import * as wjCore from '@grapecity/wijmo'; import * as wjGrid from '@grapecity/wijmo.grid'; export function getData() { // create some data let appData = {}, customers = [], firstNames = 'Aaron,Paul,John,Mark,Sue,Tom,Bill,Joe,Tony,Brad,Frank,Chris,Pat'.split(','), lastNames = 'Smith,Johnson,Richards,Bannon,Wong,Peters,White,Brown,Adams,Jennings'.split(','), cities = 'York,Paris,Rome,Cairo,Florence,Sidney,Hamburg,Vancouver'.split(','), states = 'SP,RS,RN,SC,CS,RT,BC'.split(','); for (let i = 0; i < 50; i++) { let first = firstNames[randBetween(0, firstNames.length - 1)], last = lastNames[randBetween(0, lastNames.length - 1)]; customers.push({ id: i, name: first + ' ' + last, address: randBetween(100, 10000) + ' ' + lastNames[randBetween(0, lastNames.length - 1)] + ' St.', city: cities[randBetween(0, cities.length - 1)], state: states[randBetween(0, states.length - 1)], zip: wjCore.format('{p1:d5}-{p2:d3}', { p1: randBetween(10000, 99999), p2: randBetween(100, 999) }), email: first + '.' + last + '@gmail.com', phone: wjCore.format('{p1:d3}-{p2:d4}', { p1: randBetween(100, 999), p2: randBetween(1000, 9999) }) }); } let cityMap = new wjGrid.DataMap(cities); let shippers = [ { id: 0, name: 'Speedy Express', email: 'speedy@gmail.com', phone: '431-3234', express: true }, { id: 1, name: 'Flash Delivery', email: 'flash@gmail.com', phone: '431-6563', express: true }, { id: 2, name: 'Logitrax', email: 'logitrax@gmail.com', phone: '431-3981', express: false }, { id: 3, name: 'Acme Inc', email: 'acme@gmail.com', phone: '431-3113', express: false } ]; let orders = []; let today = new Date(); for (let i = 0; i < 20; i++) { let shipped = wjCore.DateTime.addDays(today, -randBetween(1, 3000)); orders.push({ id: i, date: wjCore.DateTime.addDays(shipped, -randBetween(1, 5)), shippedDate: shipped, amount: randBetween(10000, 500000) / 100, customer: customers[randBetween(0, customers.length - 1)], shipper: shippers[randBetween(0, shippers.length - 1)] }); } function randBetween(min, max) { return Math.floor(Math.random() * (max - min + 1) + min); } // expose orders CollectionView to the app appData.orders = new wjCore.CollectionView(orders); // expose grouped orders CollectionView to the app appData.groupedOrders = new wjCore.CollectionView(orders, { groupDescriptions: [ 'customer.city' ] }); // expose paged orders CollectionView to the app appData.pagedOrders = new wjCore.CollectionView(orders, { pageSize: 4 }); // expose addNew oders CollectionView to the app appData.addNewOrders = new wjCore.CollectionView(orders, { newItemCreator: function () { return { customer: {}, shipper: {} }; }, }); appData.addNewOrders.moveCurrentToLast(); // refresh views when data source changes let ordersRefreshing = false; appData.orders.collectionChanged.addHandler(function () { ordersRefreshing = true; if (!pagedOrdersRefreshing) { appData.pagedOrders.refresh(); } if (!groupedOrdersRefreshing) { appData.groupedOrders.refresh(); } if (!addNewOrdersRefreshing) { appData.addNewOrders.refresh(); } ordersRefreshing = false; }); // addNew orders let addNewOrdersRefreshing = false; appData.addNewOrders.collectionChanged.addHandler(function () { addNewOrdersRefreshing = true; if (!ordersRefreshing) { appData.orders.refresh(); } if (!pagedOrdersRefreshing) { appData.pagedOrders.refresh(); } if (!groupedOrdersRefreshing) { appData.groupedOrders.refresh(); } addNewOrdersRefreshing = false; }); // grouped orders let groupedOrdersRefreshing = false; appData.groupedOrders.collectionChanged.addHandler(function () { groupedOrdersRefreshing = true; if (!ordersRefreshing) { appData.orders.refresh(); } if (!pagedOrdersRefreshing) { appData.pagedOrders.refresh(); } if (!addNewOrdersRefreshing) { appData.addNewOrders.refresh(); } groupedOrdersRefreshing = false; }); // paged orders let pagedOrdersRefreshing = false; appData.pagedOrders.collectionChanged.addHandler(function () { pagedOrdersRefreshing = true; if (!ordersRefreshing) { appData.orders.refresh(); } if (!addNewOrdersRefreshing) { appData.addNewOrders.refresh(); } if (!groupedOrdersRefreshing) { appData.groupedOrders.refresh(); } pagedOrdersRefreshing = false; }); // sample layout definitions appData.ldOneLine = [ { cells: [{ binding: 'id', header: 'ID', cssClass: 'id', isReadOnly: true }] }, { cells: [{ binding: 'date', header: 'Ordered' }] }, { cells: [{ binding: 'shippedDate', header: 'Shipped' }] }, { cells: [{ binding: 'amount', header: 'Amount', format: 'c', cssClass: 'amount' }] }, { cells: [{ binding: 'customer.name', header: 'Customer' }] }, { cells: [{ binding: 'customer.address', header: 'Address', wordWrap: true }] }, { cells: [{ binding: 'customer.city', header: 'City', dataMap: cityMap }] }, { cells: [{ binding: 'customer.state', header: 'State', width: 45 }] }, { cells: [{ binding: 'customer.zip', header: 'Zip' }] }, { cells: [{ binding: 'customer.email', header: 'Customer Email', cssClass: 'email' }] }, { cells: [{ binding: 'customer.phone', header: 'Customer Phone' }] }, { cells: [{ binding: 'shipper.name', header: 'Shipper' }] }, { cells: [{ binding: 'shipper.email', header: 'Shipper Email', cssClass: 'email' }] }, { cells: [{ binding: 'shipper.phone', header: 'Shipper Phone' }] }, { cells: [{ binding: 'shipper.express', header: 'Express' }] } ]; appData.ldTwoLines = [ { header: 'Order', colspan: 2, cells: [ { binding: 'id', header: 'ID', cssClass: 'id', isReadOnly: true }, { binding: 'date', header: 'Ordered' }, { binding: 'amount', header: 'Amount', format: 'c', cssClass: 'amount' }, { binding: 'shippedDate', header: 'Shipped' } ] }, { header: 'Customer', colspan: 3, cells: [ { binding: 'customer.name', header: 'Name' }, { binding: 'customer.email', header: 'EMail', colspan: 2, cssClass: 'email' }, { binding: 'customer.address', header: 'Address' }, { binding: 'customer.city', header: 'City', dataMap: cityMap }, { binding: 'customer.state', header: 'State', width: 45 } ] }, { header: 'Shipper', cells: [ { binding: 'shipper.name', header: 'Shipper', colspan: 2 }, { binding: 'shipper.email', header: 'EMail', cssClass: 'email' }, { binding: 'shipper.express', header: 'Express' } ] } ]; appData.ldThreeLines = [ { header: 'Order', colspan: 2, cells: [ { binding: 'id', header: 'ID', colspan: 2, cssClass: 'id' }, { binding: 'amount', header: 'Amount', format: 'c', colspan: 2, cssClass: 'amount' }, { binding: 'date', header: 'Ordered' }, { binding: 'shippedDate', header: 'Shipped' } ] }, { header: 'Customer', colspan: 3, cells: [ { binding: 'customer.name', header: 'Name' }, { binding: 'customer.email', header: 'EMail', colspan: 2, cssClass: 'email' }, { binding: 'customer.address', header: 'Address', colspan: 2 }, { binding: 'customer.phone', header: 'Phone' }, { binding: 'customer.city', header: 'City', dataMap: cityMap }, { binding: 'customer.state', header: 'State', width: 45 }, { binding: 'customer.zip', header: 'Zip' }, ] }, { header: 'Shipper', cells: [ { binding: 'shipper.name', header: 'Shipper' }, { binding: 'shipper.email', header: 'EMail', cssClass: 'email' }, { binding: 'shipper.express', header: 'Express' } ] } ]; appData.layoutDefs = new wjCore.CollectionView([ { name: 'Traditional', description: 'Traditional grid view, with one row per record. The user must scroll horizontally to see the whole record.', def: appData.ldOneLine }, { name: 'Compact', description: 'This view uses two rows per record. The layout is divided into three groups: order, customer, and shipper', def: appData.ldTwoLines }, { name: 'Detailed', description: 'This view uses three rows per record. The layout is divided into three groups: order, customer, and shipper', def: appData.ldThreeLines } ]); return appData; }
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