ツリービュー:初期状態

デフォルトでは、TreeViewは各レベルの最初のノードを展開し、データに連結されているときは他のすべてのノードを折りたたみます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as wjNav from '@grapecity/wijmo.nav'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the default tree let theTree = new wjNav.TreeView('#theTree', { itemsSource: getData() }); // // create a tree and select an item when it loads let theTreeSelected = new wjNav.TreeView('#theTreeSelected', { itemsSource: getData(), loadedItems: (s) => { s.selectedItem = findItem(s.itemsSource, 'ソーラーパネル'); } }); // // create a tree and collapse it to a given level when it loads let theTreeCollapsed = new wjNav.TreeView('#theTreeCollapsed', { itemsSource: getData(), loadedItems: (s) => { s.collapseToLevel(0); } }); let theTreeExpanded = new wjNav.TreeView('#theTreeExpanded', { itemsSource: getData(), loadedItems: (s) => { s.collapseToLevel(10); } }); // // finds an item in a hierarchical array function findItem(arr, text) { for (let i = 0; arr && i < arr.length; i++) { if (arr[i].header.indexOf(text) > -1) { return arr[i]; } // let item = findItem(arr[i].items, text); if (item) { return item; } } return null; } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo TreeView Initial State</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 id="theTree"></div> <h2> 選択項目</h2> <p> ツリーが読み込まれているときに項目を選択すると、選択したノードが自動的に表示され、ツリーが展開され、必要に応じてスクロールされます。次の例では、「ソーラーパネル」を選択します。</p> <div id="theTreeSelected"></div> <h2> 折りたたみ状態</h2> <p> <b>collapseToLevel</b>メソッドを使用して、ツリーが読み込まれたときに所定の階層レベルにツリーを折りたたんだり展開したりできます。たとえば、以下の例では全て折りたたまれたツリーと全て展開されたツリーを表示します。</p> <div id="theTreeCollapsed"></div> <div id="theTreeExpanded"></div> </div> </body> </html>
// get the tree data export function getData() { return [ { header: '電子機器', img: 'resources/electronics.png', items: [ { header: 'トリマー/シェーバー' }, { header: 'タブレット' }, { header: 'スマートフォン', img: 'resources/phones.png', items: [ { header: 'アップル' }, { header: 'モトローラ', newItem: true }, { header: 'ノキア' }, { header: 'サムスン' } ] }, { header: 'スピーカー', newItem: true }, { header: 'モニター' } ] }, { header: '玩具', img: 'resources/toys.png', items: [ { header: 'ショップキンズ' }, { header: '電車セット' }, { header: '科学キット', newItem: true }, { header: '粘土' }, { header: 'クレヨラ' } ] }, { header: '家電', img: 'resources/home.png', items: [ { header: 'コーヒーメーカー' }, { header: 'ホームベーカリー', newItem: true }, { header: 'ソーラーパネル', newItem: true }, { header: '作業テーブル' }, { header: 'プロパングリル' } ] } ]; }
.wj-treeview { max-height: 300px; border: 1px solid rgba(0,0,0,0.2); } body { margin-bottom: 24pt; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.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', 'jszip': 'npm:jszip/dist/jszip.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'css': 'npm:systemjs-plugin-css/css.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'js' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);