import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import ReactDOM from 'react-dom/client';
import React, { useRef } from 'react';
import useEvent from 'react-use-event-hook';
import * as wjNav from '@mescius/wijmo.react.nav';
import * as wjCore from '@mescius/wijmo';
import './app.css';
import { data } from './data';
function App() {
const controlRef = useRef(null);
const initialized = useEvent((control) => {
controlRef.current = control;
controlRef.current.selectedItem = controlRef.current.itemsSource[0];
});
const onSelectedItemChanged = useEvent(() => {
var btn = document.getElementById("btnRemove");
if (btn) {
wjCore.setAttribute(btn, "disabled", controlRef.current.selectedItem ? null : "disabled");
}
});
const onRemoveClick = useEvent(() => {
var control = controlRef.current;
if (control.selectedItem) {
// find the array that contains the item to be removed
var parent = control.selectedNode.parentNode;
var arr = parent
? parent.dataItem[control.childItemsPath]
: control.itemsSource;
// remove the item from the parent collection
var index = arr.indexOf(control.selectedItem);
arr.splice(index, 1);
// refresh the tree
control.loadTree();
}
});
return (<div className="container-fluid">
<div className="row">
<div className="col-xs-4">
<wjNav.TreeView itemsSource={data} displayMemberPath="header" childItemsPath="items" selectedItemChanged={onSelectedItemChanged} initialized={initialized}/>
</div>
<div className="col-xs-8">
<button id="btnRemove" className="btn btn-default" onClick={onRemoveClick}>Remove Selected Node</button>
</div>
</div>
</div>);
}
const container = document.getElementById('app');
if (container) {
const root = ReactDOM.createRoot(container);
root.render(<App />);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo Wijmo TreeView Removing Nodes</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.container-fluid .wj-treeview {
display: block;
height: 350px;
font-size: 120%;
margin-bottom: 8px;
padding: 6px;
background: #f0f0f0;
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
}
function getData() {
return [
{
header: 'Parent 1', items: [
{ header: 'Child 1.1' },
{ header: 'Child 1.2' },
{ header: 'Child 1.3' }
]
},
{
header: 'Parent 2', items: [
{ header: 'Child 2.1' },
{ header: 'Child 2.2' }
]
},
{
header: 'Parent 3', items: [
{ header: 'Child 3.1' }
]
}
];
}
export const data = getData();
(function (global) {
window.process = {
env: {
NODE_ENV: "production"
}
}
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: 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',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
"@mescius/wijmo.react.chart.analytics": "npm:@mescius/wijmo.react.chart.analytics/index.js",
"@mescius/wijmo.react.chart.animation": "npm:@mescius/wijmo.react.chart.animation/index.js",
"@mescius/wijmo.react.chart.annotation": "npm:@mescius/wijmo.react.chart.annotation/index.js",
"@mescius/wijmo.react.chart.finance.analytics": "npm:@mescius/wijmo.react.chart.finance.analytics/index.js",
"@mescius/wijmo.react.chart.finance": "npm:@mescius/wijmo.react.chart.finance/index.js",
"@mescius/wijmo.react.chart.hierarchical": "npm:@mescius/wijmo.react.chart.hierarchical/index.js",
"@mescius/wijmo.react.chart.interaction": "npm:@mescius/wijmo.react.chart.interaction/index.js",
"@mescius/wijmo.react.chart.radar": "npm:@mescius/wijmo.react.chart.radar/index.js",
"@mescius/wijmo.react.chart": "npm:@mescius/wijmo.react.chart/index.js",
"@mescius/wijmo.react.core": "npm:@mescius/wijmo.react.core/index.js",
'@mescius/wijmo.react.chart.map': 'npm:@mescius/wijmo.react.chart.map/index.js',
"@mescius/wijmo.react.gauge": "npm:@mescius/wijmo.react.gauge/index.js",
"@mescius/wijmo.react.grid.detail": "npm:@mescius/wijmo.react.grid.detail/index.js",
"@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js",
"@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js",
'@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js',
"@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js",
"@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js",
'@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js',
'@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js',
'@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js',
"@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js",
"@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js",
"@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js",
"@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js",
"@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js",
"@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js",
'@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js',
'@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js',
'@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'react': 'npm:react/index.js',
'react-dom': 'npm:react-dom/index.js',
'react-dom/client': 'npm:react-dom/client.js',
"scheduler": "npm:scheduler/index.js",
'redux': 'npm:redux/dist/redux.min.js',
'react-redux': 'npm:react-redux/dist/react-redux.min.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',
"react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js",
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
