How to toggle checkbox on node text click in React
4 Sep 202624 minutes to read
You can check and uncheck the checkboxes of React Tree View by clicking the tree node using the nodeClicked event of React Tree View.
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { TreeViewComponent } from '@syncfusion/ej2-react-navigations';
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
function App() {
// Hierarchical data source for TreeView component
let hierarchicalData = [
{ id: '01', name: 'Local Disk (C:)', expanded: true,
subChild: [
{
id: '01-01', name: 'Program Files',
subChild: [
{ id: '01-01-01', name: 'Windows NT' },
{ id: '01-01-02', name: 'Windows Mail' },
{ id: '01-01-03', name: 'Windows Photo Viewer' },
]
},
{
id: '01-02', name: 'Users', expanded: true,
subChild: [
{ id: '01-02-01', name: 'Smith' },
{ id: '01-02-02', name: 'Public' },
{ id: '01-02-03', name: 'Admin' },
]
},
{
id: '01-03', name: 'Windows',
subChild: [
{ id: '01-03-01', name: 'Boot' },
{ id: '01-03-02', name: 'FileManager' },
{ id: '01-03-03', name: 'System32' },
]
},
]
},
{
id: '02', name: 'Local Disk (D:)',
subChild: [
{
id: '02-01', name: 'Personals',
subChild: [
{ id: '02-01-01', name: 'My photo.png' },
{ id: '02-01-02', name: 'Rental document.docx' },
{ id: '02-01-03', name: 'Pay slip.pdf' },
]
},
{
id: '02-02', name: 'Projects',
subChild: [
{ id: '02-02-01', name: 'ASP Application' },
{ id: '02-02-02', name: 'TypeScript Application' },
{ id: '02-02-03', name: 'React Application' },
]
},
{
id: '02-03', name: 'Office',
subChild: [
{ id: '02-03-01', name: 'Work details.docx' },
{ id: '02-03-02', name: 'Weekly report.docx' },
{ id: '02-03-03', name: 'Wish list.csv' },
]
},
]
},
{
id: '03', name: 'Local Disk (E:)', icon: 'folder',
subChild: [
{
id: '03-01', name: 'Pictures',
subChild: [
{ id: '03-01-01', name: 'Wind.jpg' },
{ id: '03-01-02', name: 'Stone.jpg' },
{ id: '03-01-03', name: 'Home.jpg' },
]
},
{
id: '03-02', name: 'Documents',
subChild: [
{ id: '03-02-01', name: 'Environment Pollution.docx' },
{ id: '03-02-02', name: 'Global Warming.ppt' },
{ id: '03-02-03', name: 'Social Network.pdf' },
]
},
{
id: '03-03', name: 'Study tailwind3s',
subChild: [
{ id: '03-03-01', name: 'UI-Guide.pdf' },
{ id: '03-03-02', name: 'Tutorials.zip' },
{ id: '03-03-03', name: 'TypeScript.7z' },
]
},
]
}
];
let fields = { dataSource: hierarchicalData, id: 'id', text: 'name', child: 'subChild' };
let showCheckBox = true;
let treeObj;
function nodeCheck(args) {
let checkedNode = [args.node];
if (args.event.target.classList.contains('e-fullrow') || args.event.key == "Enter") {
let getNodeDetails = treeObj.getNode(args.node);
if (getNodeDetails.isChecked == 'true') {
treeObj.uncheckAll(checkedNode);
}
else {
treeObj.checkAll(checkedNode);
}
}
}
return (<div className='control-pane'>
<div className='control-section'>
<div className='control_wrapper'>
{/* Render TreeView */}
<TreeViewComponent fields={fields} showCheckBox={showCheckBox} ref={(treeview) => { treeObj = treeview; }} nodeClicked={nodeCheck.bind(this)} keyPress={nodeCheck.bind(this)}/>
</div>
</div>
</div>);
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));import * as ReactDOM from 'react-dom';
import * as React from 'react';
import {TreeViewComponent, NodeKeyPressEventArgs, NodeClickEventArgs} from '@syncfusion/ej2-react-navigations';
import {enableRipple} from '@syncfusion/ej2-base';
enableRipple(true);
function App() {
// Hierarchical data source for TreeView component
let hierarchicalData: { [key: string]: Object }[] = [
{ id: '01', name: 'Local Disk (C:)', expanded: true,
subChild: [
{
id: '01-01', name: 'Program Files',
subChild: [
{ id: '01-01-01', name: 'Windows NT' },
{ id: '01-01-02', name: 'Windows Mail' },
{ id: '01-01-03', name: 'Windows Photo Viewer' },
]
},
{
id: '01-02', name: 'Users', expanded: true,
subChild: [
{ id: '01-02-01', name: 'Smith' },
{ id: '01-02-02', name: 'Public' },
{ id: '01-02-03', name: 'Admin' },
]
},
{
id: '01-03', name: 'Windows',
subChild: [
{ id: '01-03-01', name: 'Boot' },
{ id: '01-03-02', name: 'FileManager' },
{ id: '01-03-03', name: 'System32' },
]
},
]
},
{
id: '02', name: 'Local Disk (D:)',
subChild: [
{
id: '02-01', name: 'Personals',
subChild: [
{ id: '02-01-01', name: 'My photo.png' },
{ id: '02-01-02', name: 'Rental document.docx' },
{ id: '02-01-03', name: 'Pay slip.pdf' },
]
},
{
id: '02-02', name: 'Projects',
subChild: [
{ id: '02-02-01', name: 'ASP Application' },
{ id: '02-02-02', name: 'TypeScript Application' },
{ id: '02-02-03', name: 'React Application' },
]
},
{
id: '02-03', name: 'Office',
subChild: [
{ id: '02-03-01', name: 'Work details.docx' },
{ id: '02-03-02', name: 'Weekly report.docx' },
{ id: '02-03-03', name: 'Wish list.csv' },
]
},
]
},
{
id: '03', name: 'Local Disk (E:)', icon: 'folder',
subChild: [
{
id: '03-01', name: 'Pictures',
subChild: [
{ id: '03-01-01', name: 'Wind.jpg' },
{ id: '03-01-02', name: 'Stone.jpg' },
{ id: '03-01-03', name: 'Home.jpg' },
]
},
{
id: '03-02', name: 'Documents',
subChild: [
{ id: '03-02-01', name: 'Environment Pollution.docx' },
{ id: '03-02-02', name: 'Global Warming.ppt' },
{ id: '03-02-03', name: 'Social Network.pdf' },
]
},
{
id: '03-03', name: 'Study tailwind3s',
subChild: [
{ id: '03-03-01', name: 'UI-Guide.pdf' },
{ id: '03-03-02', name: 'Tutorials.zip' },
{ id: '03-03-03', name: 'TypeScript.7z' },
]
},
]
}
];
let fields: object = { dataSource: hierarchicalData, id: 'id', text: 'name', child: 'subChild' };
let showCheckBox:boolean = true;
let treeObj: TreeViewComponent;
function nodeCheck(args: any){
let checkedNode: any = [args.node];
if (args.event.target.classList.contains('e-fullrow') || args.event.key == "Enter") {
let getNodeDetails: any = treeObj.getNode(args.node);
if (getNodeDetails.isChecked == 'true') {
treeObj.uncheckAll(checkedNode);
} else {
treeObj.checkAll(checkedNode);
}
}
}
return (
<div className = 'control-pane'>
<div className='control-section'>
<div className='control_wrapper'>
{/* Render TreeView */}
<TreeViewComponent fields={fields} showCheckBox={showCheckBox} ref={(treeview) => { treeObj = treeview as TreeViewComponent; }} nodeClicked={nodeCheck.bind(this)} keyPress={nodeCheck.bind(this)} />
</div>
</div>
</div>
)
}
export default App;
ReactDOM.render(<App />, document.getElementById('sample'));<!DOCTYPE html>
<html lang="en">
<head>
<title>Syncfusion React TreeView</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="Essential JS 2 for React Components" />
<meta name="author" content="Syncfusion" />
<link href="style.css" rel="stylesheet"/>
<link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-base/styles/tailwind3.css" rel="stylesheet" />
<link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-buttons/styles/tailwind3.css" rel="stylesheet" />
<link href="https://cdn.syncfusion.com/ej2/34.2.2/ej2-react-navigations/styles/tailwind3.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
<script src="systemjs.config.js"></script>
</head>
<body>
<div id='treeparent'>
<div id='sample'>
<div id='loader'>Loading....</div>
</div>
</div>
</body>
</html>#loader {
color: #008cff;
height: 40px;
left: 45%;
position: absolute;
top: 45%;
width: 30%;
}
#treeparent {
display: block;
max-width: 350px;
max-height: 350px;
margin: auto;
overflow: auto;
border: 1px solid #dddddd;
border-radius: 3px;
}