Filtering (Angular)

You can use FlexGrid's collectionView.filter property to directly pass values into the grid that you want to filter by.

This is easy to do and very flexible, but you have to implement the filter UI yourself. For example, this grid allows you to filter the data by country:

Learn about FlexGrid | Filtering Documentation | FlexGrid API Reference

本示例基于Angular

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import '@angular/compiler'; import { Component, enableProdMode, NgModule, ViewChild } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjGridModule } from '@grapecity/wijmo.angular2.grid'; import * as wjcGrid from '@grapecity/wijmo.grid'; @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; constructor() { this.data = this._getData(); } @ViewChild('flex', { static: true }) flex: wjcGrid.FlexGrid; // filter by country filter(e: any) { let filter = (<HTMLInputElement>e.target).value.toLowerCase(); this.flex.collectionView.filter = (item: any) => { return filter.length == 0 || item.country.toLowerCase().indexOf(filter) > -1 } } // create some random data private _getData() { let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; for (let i = 0; i < 200; i++) { data.push({ id: i, country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000, }); } return data; } } @NgModule({ imports: [WjGridModule, BrowserModule], 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>MESCIUS Wijmo FlexGrid Filtering</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="node_modules/systemjs/dist/system.src.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="input-group"> <div class="input-group-addon"><span class="glyphicon glyphicon-search"></span></div> <input (input)="filter($event)" class="form-control" placeholder="Country Filter"> </div> <!-- the grid --> <wj-flex-grid #flex [(itemsSource)]="data"> </wj-flex-grid> </div>
.wj-flexgrid { max-height: 250px; margin:10px 0; } body { margin-bottom: 20px; }
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