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create polygon with lines and add them in a table with data of user, date and hour, the action include create or add polygon and a option for remove the row of table
jsx Copy code
import React, { useState } from "react";
const PolygonTable = () => {
const [rows, setRows] = useState([]);
const handleCreatePolygon = () => {
// logic to create a polygon with lines
// ...
const date = new Date();
const newRow = {
user: "John Doe",
date: date.toLocaleDateString(),
hour: date.toLocaleTimeString(),
action: "Create Polygon"
};
setRows([...rows, newRow]);
};
const handleAddPolygon = () => {
// logic to add a polygon with lines
// ...
const date = new Date();
const newRow = {
user: "Jane Smith",
date: date.toLocaleDateString(),
hour: date.toLocaleTimeString(),
action: "Add Polygon"
};
setRows([...rows, newRow]);
};
const handleRemoveRow = (index) => {
const newRows = [...rows];
newRows.splice(index, 1);
setRows(newRows);
};
return (
<div>
<button onClick={handleCreatePolygon}>Create Polygon</button>
<button onClick={handleAddPolygon}>Add Polygon</button>
<table>
<thead>
<tr>
<th>User</th>
<th>Date</th>
<th>Hour</th>
<th>Action</th>
<th></th>
</tr>
</thead>
<tbody>
{rows.map((row, index) => (
<tr key={index}>
<td>{row.user}</td>
<td>{row.date}</td>
<td>{row.hour}</td>
<td>{row.action}</td>
<td>
<button onClick={() => handleRemoveRow(index)}>Remove</button>
</td>
</tr>
))}
</tbody>
</table>
</div>
);
};
export default PolygonTable;
This is a React component that renders a table with the user data, date, hour, and action. 2 buttons (Create Polygon and Add Polygon) are provided to create and add new polygons respectively. A Remove button is available in each row to remove the particular row from the table. When any action is performed, a new row is added to the table with the current user, date, time, and action.
👩💻 add a space for user to draw polygons. make it with canva
jsx Copy code
import React, { useState, useEffect, useRef } from "react";
const PolygonTable = () => {
const [rows, setRows] = useState([]);
const [canvasWidth, setCanvasWidth] = useState(500);
const [canvasHeight, setCanvasHeight] = useState(300);
const canvasRef = useRef(null);
useEffect(() => {
const canvas = canvasRef.current;
const ctx = canvas.getContext("2d");
// logic to handle canvas drawing
// ...
return () => {
// cleanup logic
// ...
};
}, [canvasWidth, canvasHeight]);
const handleCreatePolygon = () => {
// logic to create a polygon with lines
// ...
const date = new Date();
const newRow = {
user: "John Doe",
date: date.toLocaleDateString(),
hour: date.toLocaleTimeString(),
action: "Create Polygon"
};
setRows([...rows, newRow]);
};
const handleAddPolygon = () => {
// logic to add a polygon with lines
// ...
const date = new Date();
const newRow = {
user: "Jane Smith",
date: date.toLocaleDateString(),
hour: date.toLocaleTimeString(),
action: "Add Polygon"
};
setRows([...rows, newRow]);
};
const handleRemoveRow = (index) => {
const newRows = [...rows];
newRows.splice(index, 1);
setRows(newRows);
};
return (
<div>
<button onClick={handleCreatePolygon}>Create Polygon</button>
<button onClick={handleAddPolygon}>Add Polygon</button>
<table>
<thead>
<tr>
<th>User</th>
<th>Date</th>
<th>Hour</th>
<th>Action</th>
<th></th>
</tr>
</thead>
<tbody>
{rows.map((row, index) => (
<tr key={index}>
<td>{row.user}</td>
<td>{row.date}</td>
<td>{row.hour}</td>
<td>{row.action}</td>
<td>
<button onClick={() => handleRemoveRow(index)}>Remove</button>
</td>
</tr>
))}
</tbody>
</table>
<canvas
ref={canvasRef}
width={canvasWidth}
height={canvasHeight}
style={{ border: "1px solid black" }}
/>
</div>
);
};
export default PolygonTable;
This is an updated version of the previous component that adds a space for the user to draw polygons. The canvas element is added to the component, and its size is determined by the canvasWidth and canvasHeight states.
A useEffect hook is used to handle the logic of drawing polygons inside the canvas. The cleanup logic is also included in the useEffect hook.
Note that the actual logic to handle drawing the polygons is missing as it will depend on your use case.
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