グリッド:階層データのフィルター

CollectionViewクラスは、コレクションの直接の子である項目のみフィルターをサポートしています。ほとんどの場合、階層データではうまく機能しません。階層的なデータのフィルターは、子要素が表示されているときにそのすべての祖先も表示する必要があるため、簡単な操作ではありません。下のグリッドでフィルターを入力すると、フィルターに一致する都市とその親の州、もしくは、フィルターに一致する州とその子の都市を表示します。たとえば、フィルターボックスに「ラン」と入力します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@grapecity/wijmo.grid'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // create tree-style grid var theGrid = new wjGrid.FlexGrid('#theGrid', { childItemsPath: 'cities', headersVisibility: 'Column', itemsSource: getData(), columns: [ { binding: 'name', header: '名前', width: 200 }, { binding: 'type', header: '種類' }, { binding: 'population', header: '人口' } ] }); // // update filter document.getElementById('filter').addEventListener('input', function (e) { var filter = e.target.value.toLowerCase(); applyHierarchicalFilter(theGrid, filter); }); // // update row visibility function applyHierarchicalFilter(grid, filter) { var rows = grid.rows; for (var i = 0; i < rows.length; i++) { var row = rows[i], state = row.dataItem, rng = row.getCellRange(); // // handle states (level 0) if (row.level == 0) { // // check if the state name matches the filter var stateVisible = state.name.toLowerCase().indexOf(filter) >= 0; if (stateVisible) { // // it does, so show the state and all its cities for (var j = rng.topRow; j <= rng.bottomRow; j++) { rows[j].visible = true; } // } else { // // it does not, so check the cities for (var j = rng.topRow + 1; j <= rng.bottomRow; j++) { var city = rows[j].dataItem, cityVisible = city.name.toLowerCase().indexOf(filter) >= 0; rows[j].visible = cityVisible; stateVisible = stateVisible || cityVisible; } // // if at least one city is visible, the state is visible rows[i].visible = stateVisible; } // // move on to the next group i = rng.bottomRow; } } } } <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Filtering Hierarchical Data</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"> <div class="input-group"> <div class="input-group-addon"><span class="glyphicon glyphicon-search"></span></div> <input id="filter" class="form-control" placeholder="名前のフィルター"> </div> <div id="theGrid"> </div> <p> 階層的なフィルターの詳細については、<a href="http://wijmo.com/blog/filter-hierarchical-data-flexgrid/" target="_blank">FlexGridとAngularで階層データをフィルターする方法(英語)</a>のブログを参照してください。</p> </div> </body> </html> // some hierarchical data export function getData() { return [ { name: 'ワシントン', type: '州', population: 6971, cities: [ { name: 'シアトル', type: '都市', population: 652 }, { name: 'スポケーン', type: '都市', population: 210 } ] }, { name: 'オレゴン', type: '州', population: 3930, cities: [ { name: 'ポートランド', type: '都市', population: 609 }, { name: 'ユージーン', type: '都市', population: 159 } ] }, { name: 'カリフォルニア', type: '州', population: 38330, cities: [ { name: 'ロサンゼルス', type: '都市', population: 3884 }, { name: 'サンディエゴ', type: '都市', population: 1356 }, { name: 'サンフランシスコ', type: '都市', population: 837 } ] } ]; } .wj-flexgrid { max-height: 250px; margin: 10px 0; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; } body { margin-bottom: 20px; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; 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') flex: wjcGrid.FlexGrid; filter(e: any) { let filter = (<HTMLInputElement>e.target).value.toLowerCase(); this._applyHierarchicalFilter(this.flex, filter); } // update row visibility private _applyHierarchicalFilter(grid: wjcGrid.FlexGrid, filter: string) { let rows = grid.rows; for (let i = 0; i < rows.length; i++) { let row = rows[i], state = row.dataItem, rng = row.getCellRange(); // handle states (level 0) if (row.level == 0) { // check if the state name matches the filter let stateVisible = state.name.toLowerCase().indexOf(filter) >= 0; if (stateVisible) { // it does, so show the state and all its cities for (let j = rng.topRow; j <= rng.bottomRow; j++) { rows[j].visible = true; } } else { // it does not, so check the cities for (let j = rng.topRow + 1; j <= rng.bottomRow; j++) { let city = rows[j].dataItem, cityVisible = city.name.toLowerCase().indexOf(filter) >= 0; rows[j].visible = cityVisible; stateVisible = stateVisible || cityVisible; } // if at least one city is visible, the state is visible rows[i].visible = stateVisible; } // move on to the next group i = rng.bottomRow; } } } private _getData() { return [ { name: 'ワシントン', type: '州', population: 6971, cities: [ { name: 'シアトル', type: '都市', population: 652 }, { name: 'スポケーン', type: '都市', population: 210 }] }, { name: 'オレゴン', type: '州', population: 3930, cities: [ { name: 'ポートランド', type: '都市', population: 609 }, { name: 'ユージーン', type: '都市', population: 159 }] }, { name: 'カリフォルニア', type: '州', population: 38330, cities: [ { name: 'ロサンゼルス', type: '都市', population: 3884 }, { name: 'サンディエゴ', type: '都市', population: 1356 }, { name: 'サンフランシスコ', type: '都市', population: 837 }] } ]; } } @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>GrapeCity Wijmo FlexGrid Filtering Hierarchical Data</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="input-group"> <div class="input-group-addon"><span class="glyphicon glyphicon-search"></span></div> <input (input)="filter($event)" class="form-control" placeholder="名前のフィルター"> </div> <!-- the grid --> <wj-flex-grid #flex [childItemsPath]="'cities'" [headersVisibility]="'Column'" [(itemsSource)]="data"> <wj-flex-grid-column binding="name" header="名前" [width]="200"></wj-flex-grid-column> <wj-flex-grid-column binding="type" header="種類"></wj-flex-grid-column> <wj-flex-grid-column binding="population" header="人口"></wj-flex-grid-column> </wj-flex-grid> <p> 階層的なフィルターの詳細については、<a href="http://wijmo.com/blog/filter-hierarchical-data-flexgrid/" target="_blank">FlexGridとAngularで階層データをフィルターする方法(英語)</a>のブログを参照してください。 </p> </div> .wj-flexgrid { max-height: 250px; margin: 10px 0; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; } body { margin-bottom: 20px; } 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'; import { getData } from "./data"; class App extends React.Component { constructor(props) { super(props); this.state = { data: getData() }; } render() { return <div className="container-fluid"> <div className="input-group"> <div className="input-group-addon"> <span className="glyphicon glyphicon-search"></span> </div> <input onInput={this.filter.bind(this)} className="form-control" placeholder="名前のフィルター"/> </div> <wjGrid.FlexGrid childItemsPath="cities" headersVisibility="Column" initialized={this.initialized.bind(this)} itemsSource={this.state.data}> <wjGrid.FlexGridColumn binding="name" header="名前" width={200}></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="type" header="種類"></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="population" header="人口"></wjGrid.FlexGridColumn> </wjGrid.FlexGrid> <p> 階層的なフィルターの詳細については、<a href="http://wijmo.com/blog/filter-hierarchical-data-flexgrid/" target="_blank">FlexGridとAngularで階層データをフィルターする方法(英語)</a>のブログを参照してください。 </p> </div>; } applyHierarchicalFilter(grid, filter) { let rows = grid.rows; for (let i = 0; i < rows.length; i++) { let row = rows[i], state = row.dataItem, rng = row.getCellRange(); // handle states (level 0) if (row.level == 0) { // check if the state name matches the filter let stateVisible = state.name.toLowerCase().indexOf(filter) >= 0; if (stateVisible) { // it does, so show the state and all its cities for (let j = rng.topRow; j <= rng.bottomRow; j++) { rows[j].visible = true; } } else { // it does not, so check the cities for (let j = rng.topRow + 1; j <= rng.bottomRow; j++) { let city = rows[j].dataItem, cityVisible = city.name.toLowerCase().indexOf(filter) >= 0; rows[j].visible = cityVisible; stateVisible = stateVisible || cityVisible; } // if at least one city is visible, the state is visible rows[i].visible = stateVisible; } // move on to the next group i = rng.bottomRow; } } } filter(e) { let filter = e.target.value.toLowerCase(); this.applyHierarchicalFilter(this.flex, filter); } initialized(flex) { this.flex = flex; } } 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 FlexGrid Custom Filter Icons</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; margin: 10px 0; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; } body { margin-bottom: 20px; } export function getData() { return [ { name: "ワシントン", type: "州", population: 6971, cities: [ { name: "シアトル", type: "都市", population: 652 }, { name: "スポケーン", type: "都市", population: 210 } ] }, { name: "オレゴン", type: "州", population: 3930, cities: [ { name: "ポートランド", type: "都市", population: 609 }, { name: "ユージーン", type: "都市", population: 159 } ] }, { name: "カリフォルニア", type: "州", population: 38330, cities: [ { name: "ロサンゼルス", type: "都市", population: 3884 }, { name: "サンディエゴ", type: "都市", population: 1356 }, { name: "サンフランシスコ", type: "都市", population: 837 } ] } ]; } <template> <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="名前のフィルター"> </div> <!-- the grid --> <wj-flex-grid :childItemsPath="'cities'" :headersVisibility="'Column'" :itemsSource="data" :initialized="initialized" > <wj-flex-grid-column binding="name" header="名前" :width=200></wj-flex-grid-column> <wj-flex-grid-column binding="type" header="種類"></wj-flex-grid-column> <wj-flex-grid-column binding="population" header="人口"></wj-flex-grid-column> </wj-flex-grid> <p> 階層的なフィルターの詳細については、<a href="http://wijmo.com/blog/filter-hierarchical-data-flexgrid/" target="_blank">FlexGridとAngularで階層データをフィルターする方法(英語)</a>のブログを参照してください。 </p> </div> </template> <script> import "@grapecity/wijmo.styles/wijmo.css"; import "bootstrap.css"; import Vue from "vue"; import "@grapecity/wijmo.vue2.grid"; import * as wjcGrid from "@grapecity/wijmo.grid"; import "@grapecity/wijmo.vue2.grid.filter"; import * as wjcCore from "@grapecity/wijmo"; let App = Vue.extend({ name: "app", data: function() { return { data: this.getData() }; }, methods: { getData: function() { return [ { name: "ワシントン", type: "州", population: 6971, cities: [ { name: "シアトル", type: "都市", population: 652 }, { name: "スポケーン", type: "都市", population: 210 } ] }, { name: "オレゴン", type: "州", population: 3930, cities: [ { name: "ポートランド", type: "都市", population: 609 }, { name: "ユージーン", type: "都市", population: 159 } ] }, { name: "カリフォルニア", type: "州", population: 38330, cities: [ { name: "ロサンゼルス", type: "都市", population: 3884 }, { name: "サンディエゴ", type: "都市", population: 1356 }, { name: "サンフランシスコ", type: "都市", population: 837 } ] } ]; }, filter: function(e) { let filter = e.target.value.toLowerCase(); this.applyHierarchicalFilter(this.flex, filter); }, // update row visibility applyHierarchicalFilter: function(grid, filter) { let rows = grid.rows; for (let i = 0; i < rows.length; i++) { let row = rows[i], state = row.dataItem, rng = row.getCellRange(); // handle states (level 0) if (row.level == 0) { // check if the state name matches the filter let stateVisible = state.name.toLowerCase().indexOf(filter) >= 0; if (stateVisible) { // it does, so show the state and all its cities for (let j = rng.topRow; j <= rng.bottomRow; j++) { rows[j].visible = true; } } else { // it does not, so check the cities for (let j = rng.topRow + 1; j <= rng.bottomRow; j++) { let city = rows[j].dataItem, cityVisible = city.name.toLowerCase().indexOf(filter) >= 0; rows[j].visible = cityVisible; stateVisible = stateVisible || cityVisible; } // if at least one city is visible, the state is visible rows[i].visible = stateVisible; } // move on to the next group i = rng.bottomRow; } } }, initialized: function(flex) { this.flex = flex; } } }); new Vue({ render: h => h(App) }).$mount("#app"); </script> <style> .wj-flexgrid { max-height: 250px; margin: 10px 0; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; } body { margin-bottom: 20px; } </style> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>AutoComplete</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>