Tables is used to display a set of data. In some projects, you need to implement the dynamic table with editable/non-editable modes where a user can add or delete any row. Also, Material UI for React has a customizable Table Component available, and it is very easy to integrate, but there is no such functionality to handle rows addition and deletion individually. We will use React.js and Material UI and implement these functionalities in it.
Prerequisites
- Knowledge of React
- Basic understanding of MUI
- Node and NPM/Yarn installed.
Steps to create React Application And Installing Module:
Step 1: Create a React application using the following command.
npx create-react-app foldername
Step 2: After creating your project folder i.e. foldername, move to it using the following command.
cd foldername
Step 3: After creating the React.js application, install the material-ui modules using the following command.
npm install @material-ui/core
npm install @material-ui/icons
npm install @material-ui/lab
Project Structure:
Example: Now write down the following code in the App.js and TableDemo.js files accordingly.
//App.js import React from "react" ;
import TableDemo from "./TableDemo" ;
function App() {
return (
<div>
{ /* Header with inline css */ }
<h1
style={{
display: 'flex' , justifyContent: 'center' , padding: '15px' ,
border: '13px solid #b4f0b4' , color: 'rgb(11, 167, 11)'
}}>
Geeks For Geeks Material UI Table
</h1>
{ /* Table component below header */ }
<TableDemo />
</div>
)
} export default App;
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//TableDemo.js import React, { useState } from "react" ;
import CreateIcon from "@material-ui/icons/Create" ;
import { Box, Button, Snackbar, Table,
TableBody, TableCell, TableHead, TableRow
} from "@material-ui/core" ;
import DeleteOutlineIcon from "@material-ui/icons/DeleteOutline" ;
import AddBoxIcon from "@material-ui/icons/AddBox" ;
import DoneIcon from "@material-ui/icons/Done" ;
import ClearIcon from "@material-ui/icons/Clear" ;
import { makeStyles } from "@material-ui/core/styles" ;
import Alert from "@material-ui/lab/Alert" ;
import Dialog from "@material-ui/core/Dialog" ;
import DialogActions from "@material-ui/core/DialogActions" ;
import DialogContent from "@material-ui/core/DialogContent" ;
import DialogContentText from "@material-ui/core/DialogContentText" ;
import DialogTitle from "@material-ui/core/DialogTitle" ;
// Creating styles const useStyles = makeStyles({ root: {
"& > *" : {
borderBottom: "unset" ,
},
},
table: {
minWidth: 650,
},
snackbar: {
bottom: "104px" ,
},
}); function TableDemo() {
// Creating style object
const classes = useStyles();
// Defining a state named rows
// which we can update by calling on setRows function
const [rows, setRows] = useState([
{ id: 1, firstname: "" , lastname: "" , city: "" },
]);
// Initial states
const [open, setOpen] = React.useState( false );
const [isEdit, setEdit] = React.useState( false );
const [disable, setDisable] = React.useState( true );
const [showConfirm, setShowConfirm] = React.useState( false );
// Function For closing the alert snackbar
const handleClose = (event, reason) => {
if (reason === "clickaway" ) {
return ;
}
setOpen( false );
};
// Function For adding new row object
const handleAdd = () => {
setRows([
...rows,
{
id: rows.length + 1, firstname: "" ,
lastname: "" , city: ""
},
]);
setEdit( true );
};
// Function to handle edit
const handleEdit = (i) => {
// If edit mode is true setEdit will
// set it to false and vice versa
setEdit(!isEdit);
};
// Function to handle save
const handleSave = () => {
setEdit(!isEdit);
setRows(rows);
console.log( "saved : " , rows);
setDisable( true );
setOpen( true );
};
// The handleInputChange handler can be set up to handle
// many different inputs in the form, listen for changes
// to input elements and record their values in state
const handleInputChange = (e, index) => {
setDisable( false );
const { name, value } = e.target;
const list = [...rows];
list[index][name] = value;
setRows(list);
};
// Showing delete confirmation to users
const handleConfirm = () => {
setShowConfirm( true );
};
// Handle the case of delete confirmation where
// user click yes delete a specific row of id:i
const handleRemoveClick = (i) => {
const list = [...rows];
list.splice(i, 1);
setRows(list);
setShowConfirm( false );
};
// Handle the case of delete confirmation
// where user click no
const handleNo = () => {
setShowConfirm( false );
};
return (
<TableBody>
<Snackbar
open={open}
autoHideDuration={2000}
onClose={handleClose}
className={classes.snackbar}
>
<Alert onClose={handleClose} severity= "success" >
Record saved successfully!
</Alert>
</Snackbar>
<Box margin={1}>
<div style={{ display: "flex" , justifyContent: "space-between" }}>
<div>
{isEdit ? (
<div>
<Button onClick={handleAdd}>
<AddBoxIcon onClick={handleAdd} />
ADD
</Button>
{rows.length !== 0 && (
<div>
{disable ? (
<Button disabled align= "right"
onClick={handleSave}>
<DoneIcon />
SAVE
</Button>
) : (
<Button align= "right" onClick={handleSave}>
<DoneIcon />
SAVE
</Button>
)}
</div>
)}
</div>
) : (
<div>
<Button onClick={handleAdd}>
<AddBoxIcon onClick={handleAdd} />
ADD
</Button>
<Button align= "right" onClick={handleEdit}>
<CreateIcon />
EDIT
</Button>
</div>
)}
</div>
</div>
<TableRow align= "center" > </TableRow>
<Table
className={classes.table}
size= "small"
aria-label= "a dense table"
>
<TableHead>
<TableRow>
<TableCell>First Name</TableCell>
<TableCell>Last Name</TableCell>
<TableCell align= "center" >City</TableCell>
<TableCell align= "center" > </TableCell>
</TableRow>
</TableHead>
<TableBody>
{rows.map((row, i) => {
return (
<div>
<TableRow>
{isEdit ? (
<div>
<TableCell padding= "none" >
<input
value={row.firstname}
name= "firstname"
onChange={(e) =>
handleInputChange(e, i)}
/>
</TableCell>
<TableCell padding= "none" >
<input
value={row.lastname}
name= "lastname"
onChange={(e) =>
handleInputChange(e, i)}
/>
</TableCell>
<TableCell padding= "none" >
<select
style={{ width: "100px" }}
name= "city"
value={row.city}
onChange={(e) =>
handleInputChange(e, i)}
>
<option value= "" ></option>
<option value= "Karanja" >
Karanja
</option>
<option value= "Hingoli" >
Hingoli
</option>
<option value= "Bhandara" >
Bhandara
</option>
<option value= "Amaravati" >
Amaravati
</option>
<option value= "Pulgaon" >
Pulgaon
</option>
</select>
</TableCell>
</div>
) : (
<div>
<TableCell component= "th" scope= "row" >
{row.firstname}
</TableCell>
<TableCell component= "th" scope= "row" >
{row.lastname}
</TableCell>
<TableCell component= "th"
scope= "row"
align= "center" >
{row.city}
</TableCell>
<TableCell
component= "th"
scope= "row"
align= "center"
></TableCell>
</div>
)}
{isEdit ? (
<Button className= "mr10"
onClick={handleConfirm}>
<ClearIcon />
</Button>
) : (
<Button className= "mr10"
onClick={handleConfirm}>
<DeleteOutlineIcon />
</Button>
)}
{showConfirm && (
<div>
<Dialog
open={showConfirm}
onClose={handleNo}
aria-labelledby= "alert-dialog-title"
aria-describedby=
"alert-dialog-description"
>
<DialogTitle id= "alert-dialog-title" >
{ "Confirm Delete" }
</DialogTitle>
<DialogContent>
<DialogContentText
id= "alert-dialog-description" >
Are you sure to delete
</DialogContentText>
</DialogContent>
<DialogActions>
<Button
onClick={() =>
handleRemoveClick(i)}
color= "primary"
autoFocus
>
Yes
</Button>
<Button
onClick={handleNo}
color= "primary"
autoFocus
>
No
</Button>
</DialogActions>
</Dialog>
</div>
)}
</TableRow>
</div>
);
})}
</TableBody>
</Table>
</Box>
</TableBody>
);
} export default TableDemo;
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Step to Run Application: Run the application using the following command from the root directory of the project.
npm start
Output: Now open your browser and go to http://localhost:3000/, you will see the following output.
Explanation:
- The useState() is a hook in React Js which allows a functional component to have a state. We pass the initial state in this function, and it returns us a variable and a function to update that state. Using this we can handle edit/non-edit mode and buttons to be displayed accordingly.
- Initially, the Table will be displayed in non-edit mode. After clicking EDIT, table rows will be modified in edit mode where the user can add as many rows or delete any row.
- In edit mode when the user tries to change row data, the EDIT button will be changed to SAVE. After clicking SAVE, a saving alert message will be popped up.
- When a user tries to delete a row, confirmation delete will be shown. If the user select yes, then that particular row will be deleted, and if the user selects no, the row will not be deleted.
- Observe the above output and notice the changes. You can also modify those changes according to your choice.