CollectionView:ソート

CollectionViewには、コレクション内の項目のソート動作を制御するsortDescriptionsプロパティがあります。以下のサンプルはいくつかの単純なソートシナリオを説明し、ソートを適用するためにsortDescriptionsプロパティをSortDescriptionオブジェクトで更新します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as wijmo from '@grapecity/wijmo'; import * as grid from '@grapecity/wijmo.grid'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create a CollectionView let view = new wijmo.CollectionView(getData()); // // show the data in a grid let flex = new grid.FlexGrid('#theGrid', { autoGenerateColumns: false, columns: [ { binding: 'country', header: '国' }, { binding: 'downloads', header: 'DL数', width: 80 }, { binding: 'sales', header: '売上', width: 80 }, { binding: 'expenses', header: '費用', width: 80 }, ], itemsSource: view, showSort: true, allowSorting: false, alternatingRowStep: 0, headersVisibility: 'Column' }); // // change the sort document.addEventListener('change', e => { // remove the old sort view.sortDescriptions.clear(); // // add the new sorts e.target.value.split(',').forEach(prop => { // Sort country in ascending order, other in descending order view.sortDescriptions.push(new wijmo.SortDescription(prop, prop === 'country')); }); }); } <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity CollectionView Sorting Overview</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 class="container-fluid"> <label> <input type="radio" name="sort" value="" checked="checked" /> ソートなし </label> <label> <input type="radio" name="sort" value="country" /> 国でソート </label> <label> <input type="radio" name="sort" value="country,sales" /> 国、売上でソート </label> <label> <input type="radio" name="sort" value="country,sales,downloads" /> 国、売上、DL数でソート </label> <p> 結果: </p> <div id="theGrid"> </div> </div> </body> </html> export function getData() { let countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ'], data = []; // for (let i = 0; i < 1000; i++) { data.push({ country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } // return data; } .wj-flexgrid { max-height: 250px; } label { width: 100% } .wj-glyph-down, .wj-glyph-up { cursor: initial; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as wijmo from '@grapecity/wijmo'; // import { Component, Inject, enableProdMode, NgModule } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjGridModule } from '@grapecity/wijmo.angular2.grid'; import { DataService } from './app.data'; // @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { view: wijmo.CollectionView; // constructor(@Inject(DataService) private dataService: DataService) { this.view = new wijmo.CollectionView(dataService.getData()); // document.addEventListener('change', e => { // remove the old sort this.view.sortDescriptions.clear(); // // add the new sorts (<HTMLInputElement>e.target).value.split(',').forEach(prop => { // Sort country in ascending order, other in descending order this.view.sortDescriptions.push(new wijmo.SortDescription(prop, prop === 'country')); }); }); } } // @NgModule({ imports: [WjGridModule, BrowserModule], declarations: [AppComponent], providers: [DataService], 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 CollectionView Sorting Overview</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"> <label> <input type="radio" name="sort" value="" checked="true" /> ソートなし </label> <label> <input type="radio" name="sort" value="country" /> 国でソート </label> <label> <input type="radio" name="sort" value="country,sales" /> 国、売上でソート </label> <label> <input type="radio" name="sort" value="country,sales,downloads" /> 国、売上、DL数でソート </label> <p> 結果: </p> <wj-flex-grid [itemsSource]="view" [showSort]="true" [allowSorting]="false" [alternatingRowStep]="0" [headersVisibility]="'Column'"> <wj-flex-grid-column binding="country" header="国"></wj-flex-grid-column> <wj-flex-grid-column binding="downloads" header="DL数" [width]="80"></wj-flex-grid-column> <wj-flex-grid-column binding="sales" header="売上" [width]="80"></wj-flex-grid-column> <wj-flex-grid-column binding="expenses" header="費用" [width]="80"></wj-flex-grid-column> </wj-flex-grid> </div> import { Injectable } from '@angular/core'; // @Injectable() export class DataService { getData() { let countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ'], data = []; // for (let i = 0; i < 1000; i++) { data.push({ country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } // return data; } } .wj-flexgrid { max-height: 250px; } label { width: 100% } .wj-glyph-down, .wj-glyph-up { cursor: initial; } 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 wijmo from '@grapecity/wijmo'; import * as wjGrid from '@grapecity/wijmo.react.grid'; import { getData } from './data'; class App extends React.Component { constructor(props) { super(props); this.state = { view: new wijmo.CollectionView(getData()) }; } render() { return <div className="container-fluid"> <label> <input type="radio" name="sort" value="" defaultChecked={true}/> ソートなし </label> <label> <input type="radio" name="sort" value="country"/> 国でソート </label> <label> <input type="radio" name="sort" value="country,sales"/> 国、売上でソート </label> <label> <input type="radio" name="sort" value="country,sales,downloads"/> 国、売上、DL数でソート </label> <p> 結果: </p> <wjGrid.FlexGrid itemsSource={this.state.view} showSort={true} allowSorting={false} showAlternatingRows={false} headersVisibility="Column"> <wjGrid.FlexGridColumn binding="country" header="国"></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="downloads" header="DL数" width={80}></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="sales" header="売上" width={80}></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="expenses" header="費用" width={80}></wjGrid.FlexGridColumn> </wjGrid.FlexGrid> </div>; } componentDidMount() { document.addEventListener('change', (e) => { // remove the old sort this.state.view.sortDescriptions.clear(); // // add the new sorts e.target.value.split(',').forEach((prop) => { // Sort country in ascending order, other in descending order this.state.view.sortDescriptions.push(new wijmo.SortDescription(prop, prop === 'country')); }); }); } } 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 CollectionView Sorting Overview</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-flexgrid { max-height: 250px; } label { width: 100% } .wj-glyph-down, .wj-glyph-up { cursor: initial; } export function getData() { let countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ'], data = []; // for (let i = 0; i < 1000; i++) { data.push({ country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } // return data; } <template> <div class="container-fluid"> <label> <input type="radio" name="sort" value="" checked="true" /> ソートなし </label> <label> <input type="radio" name="sort" value="country" /> 国でソート </label> <label> <input type="radio" name="sort" value="country,sales" /> 国、売上でソート </label> <label> <input type="radio" name="sort" value="country,sales,downloads" /> 国、売上、DL数でソート </label> <p> 結果: </p> <wj-flex-grid :items-source="view" :show-sort=true :allow-sorting=false :show-alternating-rows=false headers-visibility="Column"> <wj-flex-grid-column binding="country" header="国"></wj-flex-grid-column> <wj-flex-grid-column binding="downloads" header="DL数" :width=80></wj-flex-grid-column> <wj-flex-grid-column binding="sales" header="売上" :width=80></wj-flex-grid-column> <wj-flex-grid-column binding="expenses" header="費用" :width=80></wj-flex-grid-column> </wj-flex-grid> </div> </template> <script> import "bootstrap.css"; import "@grapecity/wijmo.styles/wijmo.css"; import Vue from 'vue'; import * as wijmo from '@grapecity/wijmo'; import { getData } from './data'; import { WjGridModule } from '@grapecity/wijmo.vue2.grid'; new Vue({ el: '#app', data: function(){ return { view: new wijmo.CollectionView(getData()) } }, mounted: function(){ document.addEventListener('change', e => { // remove the old sort this.view.sortDescriptions.clear(); // // add the new sorts (e.target).value.split(',').forEach(prop => { // Sort country in ascending order, other in descending order this.view.sortDescriptions.push(new wijmo.SortDescription(prop, prop === 'country')); }); }); } }) </script> <style> .container-fluid .wj-flexgrid { max-height: 250px; } label { width: 100% } .container-fluid .wj-glyph-down, .container-fluid .wj-glyph-up { cursor: initial; } </style> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity CollectionView Sorting Overview</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.vue'); </script> </head> <body> <div id="app"> </div> </body> </html> export function getData(callback, delay) { let countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ'], data = []; // for (let i = 0; i < 1000; i++) { data.push({ country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } // return data; }