How to change background color of row on checkbox column click in React TreeGrid?
This article explains how to change background color of row on checkbox column click in React TreeGrid component.
The checkboxChange event triggers when the check box state change in checkbox column. You can use this event to change the background color and text color of the row based on e-check e-uncheck / e-stop checkbox states.
To change background color of the row, follow the given steps,
- Declare the function checkboxChange and write the below conditions.
- Select e-check class using queryselector and add class bgcolor class if the arg.checked value is true and remove this class when the value is false.
App.js
import {ColumnDirective,ColumnsDirective,Inject,TreeGridComponent,} from '@syncfusion/ej2-react-treegrid';
import { Page } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';
import './App.css';
import { sampleData } from './datasource';
export default class App extends React.Component {
checkboxChange(args) {
if (args.checked) {
setTimeout(() => {
const checkedRows = this.element.querySelectorAll('.e-check');
Array.from(checkedRows).map((row) => {
row.closest('tr').classList.add('bgcolor');
});
}, 0);
} else {
setTimeout(() => {
const coloredRows = this.element.querySelectorAll('.bgcolor');
Array.from(coloredRows).map((row) => {
if (row.querySelector('.e-uncheck') || row.querySelector('.e-stop')) {
row.classList.remove('bgcolor');
}
});
}, 0);
}
}
render() {
return (
<TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping="subtasks" enableCollapseAll="true" autoCheckHierarchy="true" checkboxChange={this.checkboxChange}>
<ColumnsDirective>
<ColumnDirective field="taskID" headerText="Task ID" width="90" textAlign="Right"/>
<ColumnDirective field="taskName" showCheckbox="true" headerText="Task Name" width="180"/>
<ColumnDirective field="startDate" headerText="Start Date" width="90" format="yMd" textAlign="Right" type="date"/>
<ColumnDirective field="duration" headerText="Duration" width="80" textAlign="Right"/>
</ColumnsDirective>
<Inject services={[Page]} />
</TreeGridComponent>
);}
}
App.css
@import url('https://cdn.syncfusion.com/ej2/20.1.55/material.css');
h1,
p {
font-family: Lato;
}
.bgcolor td {
background-color: rgb(207 183 183) !important;
color: white !important;
}
Result:
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Conclusion
I hope you enjoyed learning about how to change background color of row
on checkbox column click in React TreeGrid.
You can refer to our React TreeGrid feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our React TreeGrid example to understand how to create and manipulate data.
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